43results about How to "Automatically adjust the tilt angle" patented technology

The invention relates to a universal objective table for a laser 3D printer. The universal objective table is simple in structure, easy and convenient to operate and control and good in printing effect. The universal objective table comprises a rotary knob, a ball screw, a stretchable connecting ring, a stretchable connecting rod and an objective table body; the top end of the ball screw is connected with the bottom end of the rotary knob through threads, the position, below the rotary knob, of the outer side of the ball screw is sleeved with a spring, the outer side of the spring is sleeved with a fixed connecting sleeve, and the bottom end of the ball screw is provided with the stretchable connecting ring; the bottom end of the stretchable connecting ring is provided with a first hemispheric groove, a first through hole is formed in the middle position of the first groove, and the stretchable connecting ring is arranged on the ball screw in a sleeving manner through the first through hole; the outer wall of the spherical structure at the bottom end of the ball screw is in fit contact with the inner wall of the first groove, and a gap is reserved between the edge of the inner side of the first through hole and the outer wall of the ball screw; and the bottom end of the stretchable connecting ring is connected with the top end of the stretchable connecting rod, the stretchable connecting rod is connected with a protection jacket, and the bottom end of the protection jacket is connected with the top end of the objective table body placed in the horizontal direction.

The invention discloses an aluminum frame which comprises an aluminum frame body. Three positioning columns and four T-shaped clamp blocks are alternately arranged on the inner side face of the upper portion of the aluminum frame body. The upper portion corners of the aluminum frame body are each in the shape of a circular arc. Folding clamp hooks are arranged at the two ends of the lower portion of the aluminum frame body correspondingly. According to the aluminum frame, an inverted hook is hinged to each folding clamp hook through a pin shaft; the three positioning columns and the four T-shaped clamp blocks are alternately arranged on the inner side face of the upper portion of the aluminum frame body; further, reinforcing pieces are arranged on the two side faces of the aluminum frame body correspondingly and fixedly connected with the aluminum frame body through clamp columns and rivets distributed at same intervals, so that sufficient fixing can be achieved when the aluminum frame is riveted with a product arranged inside the aluminum frame body; and when the aluminum frame body is pressed, the inclination angles of the inverted hooks can be adjusted automatically under the effect of springs, friction between the aluminum frame body and the product arranged inside the aluminum frame body can be effectively avoided, and accordingly, the rear surfaces of the folding clamp hooks of the aluminum frame can be prevented from protruding or generating burrs.

The invention discloses a touch pen, which comprises a pen holder and a pen point, wherein the pen point is arranged on the pen holder in a rotating way. The touch pen further comprises a resetting element and a pressing element, wherein the resetting element is arranged between the pen holder and the pressing element; the pressing element comprises a pressing part; a pressing groove is reserved on the pen point; the pressing part is pressed in the pressing groove to position the pen point at an initial position under the action of the resetting element; and when the pen point rotates relative to the pen holder, the pressing part slides out of the pressing groove, and compresses the resetting element to accumulate elasticity, and the accumulated elasticity of the resetting element resets the pen points to the initial position.