34results about How to "Avoid affecting the effect of grinding" patented technology

A chemical mechanical planarization (CMP) apparatus is provided. The CMP apparatus includes at least one platen; and a polishing pad disposed on the platen. The CMP apparatus also includes a polishing head disposed above the platen and configured to clamp a to-be-polished wafer; and a basic solution supply port disposed above the platen and configured to supply a basic solution onto a surface of the polishing pad. Further, the CMP apparatus includes a slurry arm disposed above the platen and configured to supply a polish slurry on the surface of the polishing pad; and a deionized water supply port configured to supply deionized water onto the surface of the polishing pad. Further, the CMP apparatus also includes a negative power source configured to apply a negative voltage onto the surface of the polishing pad.

The invention discloses a grinding device for relay frame processing, which belongs to the technical field of relay processing and includes a fixed assembly, a transmission assembly, a rotating grinding assembly, a turning assembly and a dust suction assembly. The fixed components are respectively fixed above the transmission component, the rotary grinding component is fixed on both sides of the transmission component, and the working end of the rotary grinding component is located above the transmission component, and the turning component is fixed at one end of the transmission component The dust suction assembly is fixed on one side of the conveying assembly, and the dust suction assembly is arranged on the inner side of the rotating grinding assembly. The efficiency and effect of grinding are improved through the cooperation between the above components, and also It avoids the harm to the body of the workers caused by the iron filings produced in the manual grinding process.

The invention discloses a hardware polishing device capable of conveniently clamping a workpiece. The hardware polishing device capable of conveniently clamping the workpiece comprises transverse fixing plates, a first fixing side plate, a second fixing side plate, a fixing base and a rotating tooth roller. The two ends of each transverse fixing plate are connected with first sliding blocks through first rotating shafts, and the first sliding blocks are arranged on the first fixing side plate and the second fixing side plate. The bottom end of the second fixing side plate and the bottom end ofthe first fixing side plate are connected with second sliding blocks through hinge shafts. First elasticity springs are arranged between the fixing base and the transverse fixing plates. Moving grooves are formed in the second sliding blocks, and first transmission racks are welded on the second sliding blocks. The two ends of the rotating tooth roller are movably connected with the inner wall ofthe fixing base, and a first electric motor is arranged on the rotating tool roller. By the adoption of the hardware polishing device capable of conveniently clamping the workpiece, pipe fittings with different inner diameters can be firmly fixed, workers can conveniently conduct machining and polishing operation, the clamping effect is good, and the hardware polishing device capable of conveniently clamping the workpiece is simple in integral structure, convenient to operate and high in practicability.

The invention relates to grinding equipment, in particular to rubber powder multi-stage grinding equipment and aims to achieve the technical effect of providing the rubber fine powder grinding equipment capable of performing multi-stage grinding and can reach the required specification. To achieve the technical effect, the rubber powder multi-stage grinding equipment comprises a grinding box, first bearing seats, a supporting rod, a motor, a first rotating rod, crushing cutters and the like; the middle of the inner side of the grinding box is connected with a filtering mesh, the upper portion of the left wall and the upper portion of the right wall of the grinding box are both connected with the first bearing seats, the first bearing seats are connected with the first rotating rod, and the first rotating rod penetrates through the first bearing seat on the right side; and the upper portion of the right side of the grinding box is connected with the supporting rod, and the bottom end of the supporting rod is provided with the motor. A collection mechanism is arranged in the first place, it can be convenient for workers to collect falling grinding powder, and belt wheels, a flat belt, second bearing seats, second rotating rods, grinding rolls and gears are also arranged.

The invention discloses a hardware component grinding device with a fixing device. The hardware component grinding device with the fixing device comprises a bottom plate, a bracket device, a grinding structure, a positioning device, an electric cylinder device, a supporting plate device, a motor device, a fixing device and a pressing device; a first supporting rod, a first transverse rod, a first bracket and a first positioning frame are arranged on the bottom plate; the bracket device comprises a second supporting rod, a second bracket, a fixing rod, a first vertical rod, a first roller, first saw teeth and a second fixing rod; the grinding structure comprises a first electric cylinder, a first third supporting rod, a first push rod, a first moving plate, second saw teeth, a grinding block, a first positioning rod, a third bracket and a first limiting rod; the positioning device comprises a fourth supporting rod, a fourth bracket, a third fixing rod and a first spring; the electric cylinder device comprises a second electric cylinder, a second push rod, a first transverse plate, second springs, third springs, second vertical rods, third vertical rods, a second transverse rod and a third transverse rod. The hardware component grinding device with the fixing device can fix a hardware component effectively during a grinding process.

The invention belongs to the field of wooden door processing and manufacturing, and specifically relates to a corrosion-resistant wooden door processing technology. S1: use a grinding device to sand the surface of the wooden door to make the surface of the wooden door smooth, then add talcum powder and cooked rubber powder to the clear water, and Stir it well, then apply it to the surface of the wooden door to fill the holes on the surface of the wooden door, and finally dry it properly; S2: Spray the primer on the wooden door blank obtained through S1, and continue to use it after the surface of the wooden door is dry The grinding device grinds the surface to make the surface of the wooden door smooth and flat, which is convenient for subsequent paint spraying; S3: spray the wooden door obtained through S2 with anti-corrosion paint, and then dry it so that the wooden door has a corrosion-resistant effect; among them, S1 The grinding device described in S2 includes a workbench, a support plate, a cover plate and a grinding unit; the grinding effect on wooden doors is good.

The invention discloses a combined type efficient traditional Chinese medicine grinder. The combined type efficient traditional Chinese medicine grinder comprises a mounting groove, a grinding block,a grinding disc, a material collection groove, a base and a top plate, wherein a separation plate is fixed at the middle position in the base; first through holes are uniformly formed in the separation plate; bulges are uniformly distributed at the top of the separation plate; the mounting groove is formed in the base above the separation plate; a feeding opening is formed in one side of the top end of an outer side wall of the base at the position of the mounting groove; one end of the feeding opening extends to the top of the base; and the other end of the feeding opening extends to an innerside wall of the base at the position of the mounting groove. According to the combined type efficient traditional Chinese medicine grinder disclosed by the invention, a discharging hopper is fixed in the base and the base is hinged with a transparent side cover; a rubber vibration absorption cushion is mounted at the bottom of the base; ground traditional Chinese medicines can be conveniently collected and the sealing performance of the material collection groove is increased, so that dust pollution is avoided and the ground traditional Chinese medicines are prevented from being splashed through an external force; and the stability of placing the base is increased, slipping resistance is realized and noises generated in a grinding process are reduced.

The invention relates to a grinding device, in particular to a welding seam grinding device of a hyperboloid aluminum veneer for processing. The purpose of the present invention is to provide a double-curved aluminum veneer welding seam grinding device for processing, which can fix the hyperboloid aluminum veneer and automatically grind it. Technical scheme: a welding seam grinding device for a hyperboloid aluminum veneer for processing, including a bottom plate, a first bracket, a second bracket, a processing plate, a support plate, a bearing frame, a first electric push rod, a lead screw slide, a grinding mechanism and pressing mechanism; two first brackets are fixed symmetrically on the bottom plate, two second brackets are fixed symmetrically on the bottom plate, and a processing plate is fixed on the two first brackets and the two second brackets together . The device can automatically fix and grind the hyperboloid aluminum veneer, which solves the problems of low efficiency of manual grinding and uneven surface grinding of the aluminum veneer in the prior art.