CN201979477U - Tightening and dismounting device special for thread fastening type quick-change punch - Google Patents
Tightening and dismounting device special for thread fastening type quick-change punch Download PDFInfo
- Publication number
- CN201979477U CN201979477U CN 201120081092 CN201120081092U CN201979477U CN 201979477 U CN201979477 U CN 201979477U CN 201120081092 CN201120081092 CN 201120081092 CN 201120081092 U CN201120081092 U CN 201120081092U CN 201979477 U CN201979477 U CN 201979477U
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- punch
- sleeve
- tightening
- dismounting device
- screw threads
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Abstract
The utility model discloses a tightening and dismounting device special for thread fastening type quick-change punch, which comprises a working sleeve matched with the external diameter of the punch. The inner surface of the opening end of the working sleeve is provided with an inner fastener matched with an outer fastener of the punch, the other end of the working sleeve is provided with a sleeve extension part, and the sleeve extension part is fixedly connected to a handle. In use, the thread fastening type quick-change punch is sleeved with the working sleeve, a clamp connection device in the working sleeve of the tightening and dismounting device is enabled to be connected to the punch in a clamping connection mode, the handle of the tightening and dismounting device is rotated, and the objective of mounting or dismounting the punch is achieved. A punch head and a mold pressure plate do not need to be dismounted so that the tightening and dismounting device is easy to operate and saves time and labor.
Description
Technical field
The utility model relates to a kind of instrument that is used to change screw threads for fastening quick change punch.
Background technology
In recent years, fast development along with automobile industry, the production of Automotive Cold Pressing Dies tool, the scale of use are also increasing, and this just must think better of mould maintenance and maintenance problem in use, and this problem has been resolved just can improve stamping parts production efficiency 20-30%.40-60% is beam class stamping parts in the stamping parts that automobile uses, and is characterized in that the position, hole that cooperates with other part on the product is many and position, hole diameter is little, and its tablet is thick, intensity is big, so its piercing punch very easily damages aborning.How to change the drift that damages aborning fast, everybody method of employing substantially all is to use the quick change drift now, adopts screw threads for fastening quick change punch, vapour mould standard QM2481-93 series at beam class mould.The advantage of screw threads for fastening quick change punch is accurate positioning, working stability, long service life.But during dismounting, its supporting dismounting spanner is because of stretching in the mould by holding pad, so need the downforce lathe when changing piercing punch, dismounting mould holding pad.Medium-sized its dismounting of longeron mould of one cover, open mould, change drift, again matched moulds, go up lathe and need about 4 hours of three people.Mould can not be produced half working day, and three people keep in repair mould half working day, and this loss that brings that delays work is conspicuous.
The utility model content
Technical problem to be solved in the utility model provides a kind of screw threads for fastening quick change punch special use that can change screw threads for fastening quick change punch fast and tightens stripping attachment.
For solving the problems of the technologies described above, the technical solution of the utility model is: stripping attachment is tightened in the special use of screw threads for fastening quick change punch, comprise work sleeve with punch external diameter coupling, the inner surface of described work sleeve openings end is provided with the interior tooth button with the outer tooth button coupling of described punch, the other end of described work sleeve is provided with the sleeve extension, and described sleeve extension is fixedly connected with handle.
As a kind of optimized technical scheme, described sleeve extension is an extension rod.
Owing to adopted technique scheme, stripping attachment is tightened in the special use of screw threads for fastening quick change punch, comprise work sleeve with punch external diameter coupling, the inner surface of described work sleeve openings end is provided with the interior tooth button with the outer tooth button coupling of described punch, the other end of described work sleeve is provided with the sleeve extension, and described sleeve extension is fixedly connected with handle; During use, the described work jacket casing of tightening stripping attachment is received on the described screw threads for fastening quick change punch, the described clamping apparatus of tightening in the stripping attachment work sleeve is snapped fit onto on the described punch, the handle of stripping attachment is tightened in rotation, realize dismounting or the purpose that punch is installed, need not to dismantle drift and mould holding pad, simple to operate, time saving and energy saving.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cutaway view of work sleeve;
Among the figure: the 1-sleeve of working; 2-sleeve extension; The 3-handle; Tooth button in the 4-.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only some one exemplary embodiment of the present utility model has been described by the mode of explanation.Undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.
Stripping attachment is tightened in the special use of screw threads for fastening quick change punch, comprise work sleeve with punch external diameter coupling, the inner surface of described work sleeve openings end is provided with the interior tooth button with the outer tooth button coupling of described punch, the other end of described work sleeve is provided with the sleeve extension, and described sleeve extension is fixedly connected with handle.
As a kind of optimized technical scheme, described sleeve extension is an extension rod
As depicted in figs. 1 and 2, stripping attachment is tightened in the special use of a kind of screw threads for fastening quick change punch, comprise work sleeve 1 with punch external diameter coupling, the inner surface of described work sleeve 1 openend is provided with the clamping apparatus with described punch outer peripheral face coupling, described clamping apparatus is a Nei Neiya button 4, and described interior tooth button 4 is complementary with the outer tooth button of described punch outer surface; The other end of described work sleeve 1 is fixedly connected with handle 3, tighten the stripping attachment long enough in order to make, the sleeve extension 2 that an end is fixedlyed connected and bearing of trend is consistent with described work sleeve 1 can be set between described handle 3 and described work sleeve 1, described sleeve extension 2 adopts the soket head cap screw that is easy to draw materials, the other end of described sleeve extension 2 is fixedly connected with handle 3, and the bearing of trend of described handle 3 is vertical with the bearing of trend of described sleeve extension 2.
When changing screw threads for fastening quick change punch, press machine tool top shoe workbench rises; The special use of screw threads for fastening quick change punch is tightened stripping attachment and is extend in the mould by the via hole on the mould holding pad; Work sleeve 1 entangles screw threads for fastening quick change punch, make interior tooth on work sleeve 1 inwall buckle 4 and the outer tooth of punch outer surface buckle and be connected together, rotate the handle 3 of tightening stripping attachment, realize dismounting or the purpose that punch is installed.
Can tighten stripping attachment according to the screw threads for fastening quick change punch special use that the specification of screw threads for fastening quick change punch is made different size.
The special use of screw threads for fastening quick change punch is tightened stripping attachment and is drawn materials conveniently, and work sleeve 1 is a steel pipe, and sleeve extension 2 is a soket head cap screw, and handle is a reinforcing bar, and it is made the material that uses and can gather materials on the spot from factory; The special use of this screw threads for fastening quick change punch is tightened stripping attachment and is made simply, and its composition has three members, has only member work sleeve 1 to need simple machined, machines back three firm welding and gets final product; Use the special use of this screw threads for fastening quick change punch to tighten stripping attachment, can be implemented in and change piercing punch on the forcing press.So just can save from forcing press and dismantle mould, traditional method is: mould is hung the die flip district with driving, upper and lower mould is opened and overturn, dismounting mould holding pad; After changing piercing punch,, hang behind the matched moulds on the forcing press, on forcing press, readjust installation mold by driving upset patrix and counterdie matched moulds.And adopt this tightening device directly to dismantle punch by the via hole on the mould holding pad, thus significantly shorten the replacement cycle, saved lot of manpower and material resources, promoted operating efficiency.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. stripping attachment is tightened in the special use of screw threads for fastening quick change punch, it is characterized in that: comprise work sleeve with punch external diameter coupling, the inner surface of described work sleeve openings end is provided with the interior tooth button with the outer tooth button coupling of described punch, the other end of described work sleeve is provided with the sleeve extension, and described sleeve extension is fixedly connected with handle.
2. stripping attachment is tightened in screw threads for fastening quick change punch as claimed in claim 1 special use, it is characterized in that: described sleeve extension is an extension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120081092 CN201979477U (en) | 2011-03-25 | 2011-03-25 | Tightening and dismounting device special for thread fastening type quick-change punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120081092 CN201979477U (en) | 2011-03-25 | 2011-03-25 | Tightening and dismounting device special for thread fastening type quick-change punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979477U true CN201979477U (en) | 2011-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120081092 Expired - Fee Related CN201979477U (en) | 2011-03-25 | 2011-03-25 | Tightening and dismounting device special for thread fastening type quick-change punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520349A (en) * | 2016-06-21 | 2017-12-29 | 张家港市思杰五金工具有限公司 | Punch die extraction element |
-
2011
- 2011-03-25 CN CN 201120081092 patent/CN201979477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520349A (en) * | 2016-06-21 | 2017-12-29 | 张家港市思杰五金工具有限公司 | Punch die extraction element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20160325 |