Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Minisize mould device for precise compound forming of minisize double gears

A compound forming and double gear technology, which is applied in forming tools, metal extrusion dies, forging/pressing/hammer devices, etc., can solve the problems of high processing cost of double gears and cumbersome process of double gears, etc.

Inactive Publication Date: 2006-11-15
HARBIN INST OF TECH
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a micro-mold device for precision composite forming of micro-double gears, so as to overcome the disadvantages of cumbersome manufacturing process of double-gears and relatively high processing cost of double-gears by using existing devices

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Minisize mould device for precise compound forming of minisize double gears

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0005] Specific Embodiment 1: The present embodiment will be specifically described below with reference to FIG. 2 and FIG. 3 . This embodiment consists of a mold base 1, a top column 2, a spring 3, a slider 4, a die 6, a punch 16, a punch guide sleeve 9, a punch 11, a limit ring 12, an electric heating ring 18 and an ejector rod. 20. The upper insert 8, the upper punch 13 and the pin 7 are composed. The center of the mold base 1 has a stepped through hole 1-1 with a large upper part and a smaller one, and a threaded hole is opened at the lower end of the stepped through hole 1-1. 1-1-1, the upper end of the ejector rod 20 is screwed into the threaded hole 1-1-1, and the ejector rod 2 with an inverted "T"-shaped longitudinal section is set in the stepped through hole 1-1 to eject the rod 20 Above, the slider 4 is set on the outer circular surface of the small diameter end of the top column 2, the spring 3 is arranged between the upper end surface of the large diameter end of t...

specific Embodiment approach 2

[0006] Specific Embodiment 2: The present embodiment will be specifically described below in conjunction with FIG. 2 and FIG. 3 . The difference between this embodiment and the first embodiment is that it also includes a backing ring 17 which is arranged between the lower end surface of the die 6 and the upper end surface of the top post 2 . In this way, the forming of the micro-double gear can be divided into two steps in order to ensure the forming accuracy. The first step requires setting the backing ring 17 in the mold set, this step being the pre-forming stage. Mold, gear 25 and blank 14 are assembled, and punch 16 is installed in the toothed hole of die 6 bottoms, and punch 16 has only a small part in die 6. The upper end surface of the backing ring 17 is in contact with the lower end surface of the die 6 . The force applying mechanism of the forming equipment is pressed on the punch 11, and the punch 11 is pressed on the upper punch 13, and the upper punch 13 is press...

specific Embodiment approach 3

[0007] Specific Embodiment Three: The present embodiment will be specifically described below in conjunction with FIG. 3 . The difference between this embodiment and the first embodiment is: the lower end surface of the upper punch 13 is provided with a first blind hole 13-1 coaxial with the upper punch 13, and the upper end surface of the punch 16 is provided with a convex hole 13-1. The second blind hole 16-1 of mold 16 coaxial. In this way, the blank 14 is filled into the first blind hole 13-1 and the second blind hole 16-1 during the deformation process to form the gear shaft of the micro double gear, which simplifies the assembly work. In this embodiment, a thin shaft can also be placed in the first blind hole 13-1 and the second blind hole 16-1, and the shaft extends out of the hole for a certain length. The reaction force upon deformation secures the shaft within the microgear part being formed. The advantage of doing this is that the shaft is also formed while comple...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a micro-mould device for precise compound forming of micro-double gears, and discloses a plastic-forming mould device for micro-double gears. The utility model overcomes the disadvantages of the complicated process of manufacturing the double gear by using the existing device and the relatively high processing cost of the double gear. It includes a die base, a top post, a spring, a slider, a die (6), a punch (16), a punch guide sleeve, a punch (11), a limit ring, an electric heating ring and an ejector rod, and also includes The upper insert (8), the upper punch (13) and the pin (7), the cavity of (6) is set in the shape of a gear, (8) is embedded in the upper surface of (6) and coaxial with (6) , at least two pins arranged in the horizontal direction are inserted in (6) and (8) to fix the position between (6) and (8), (13) is inserted in the central hole of (8), and the upper part of (13) The end surface is in contact with the lower end surface of (11), the lower end surface of (8) is provided with a cavity (15), and (15) is concentric with (6). Since the device of the present invention completes the forming of the gears and the assembling of the double gears at one time, the assembling process after processing is omitted.

Description

Technical field: [0001] The invention relates to a plastic forming mold device of a miniature double gear. Background technique: [0002] With the rapid development of the mechanical and electronic industry and the miniaturization of precision instruments and equipment, the demand for micro parts (micron level) is increasing, especially the demand for micro gear parts for transmission is even more urgent. The miniaturization of the size of the parts brings great difficulty to the processing of the parts, and the assembly of the parts is especially difficult. This requires the development of a low-cost, high-quality, high-precision and mass-produced forming process. Traditional fine processing technology has been difficult to meet these requirements. It is against this background that microplastic forming technology has emerged and developed. of. Microplastic forming technology can be used in the processing of various materials, and the formed parts have the advantages of h...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B21D37/10B21C25/02B21J13/02
Inventor 郭斌单德彬王春举周健袁林
Owner HARBIN INST OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com