CN103586831B - Die punching sleeve extractor - Google Patents
Die punching sleeve extractor Download PDFInfo
- Publication number
- CN103586831B CN103586831B CN201310217911.5A CN201310217911A CN103586831B CN 103586831 B CN103586831 B CN 103586831B CN 201310217911 A CN201310217911 A CN 201310217911A CN 103586831 B CN103586831 B CN 103586831B
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- CN
- China
- Prior art keywords
- punching
- screw mandrel
- sliding sleeve
- mould
- punching cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004080 punching Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 6
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a die punching sleeve extractor which is timesaving and laborsaving when used for detaching punching sleeves, cannot damage the punching sleeves and dies in the detaching process and can be used for detaching die punching sleeves of various specifications. The technical problems that die punching sleeve detachment is time-consuming and labor-consuming, the punching sleeves and the dies are even damaged in the detachment process resulting in that the punching sleeves and the dies are directly scrapped and the like are solved. The die punching sleeve extractor comprises a lead screw penetrating a center hole of a punching sleeve on a die, a butting mechanism capable of being butted against one end of the center hole of the punching sleeve is arranged at one end of the lead screw, a supporting barrel capable of being arranged outside the punching sleeve in a covering manner is sleeved at the other end of the lead screw, and a compression nut which can be compressed on the outer end face of the supporting barrel and accommodate the punching sleeve is screwed on the lead screw corresponding to the outer side end of the supporting barrel.
Description
Technical field
The present invention relates to a kind of mould release instrument, particularly relate to a kind of mould punching cover dismounting that can be used for plurality of specifications, and time saving and energy saving during dismounting punching cover, the mould punching cover puller of punching cover and mould can not be damaged again simultaneously.
Background technology
Rushing cover is one of widely used parts in mould, be mainly used in die punching operation, during use, punching cover is normally arranged on mould by interference fit, but because punching cover very easily occurs wear phenomenon in use for some time, punching parts is caused to occur burr, therefore in mold repair, punching cover is also one of common replacing or maintenance parts, but punching cover must be taken out in die ontology due to during the maintenance of punching cover, existing method is generally turn after being pulled down by the die insert with punching cover to beat again, waste time and energy, also be welded on punching with screw mandrel as run into when the excessive or mold integral of insert does not have an insert to put and extract, rushing cover and cannot reuse again after welding, directly scrap, cause unnecessary waste.
Chinese patent discloses a kind of close-fitting mold parts extracting tool (CN202640278U), comprise guide post and reinforcement rod, cavity is provided with in reinforcement rod, guide post is through the cavity of reinforcement rod, reinforcement rod can move around on the guide bar, one end of guide post is provided with spacing pad figure, and the other end is provided with screwed hole, and mold clamp is connected with guide post by the screw be spun on screwed hole.When this device uses, screw is spun on screwed hole through mold clamp, the screw other end is turned round on the mold insert that need remove, with mold clamp by workpiece and guide post fixing compact, cover limiting gasket on the other hand, another holds reinforcement rod and moves around, and mold insert in workpiece through-hole can be gone out by the impulsive force of generation.But because the impulsive force of reinforcement rod is limited, run into the mold insert that will remove comparatively large or coordinate tighter time often need larger impulsive force and impact stroke also cannot remove, and whole unloading process is wasted time and energy, and efficiency is low.
Summary of the invention
It is time saving and energy saving that the present invention mainly provides when a kind of dismounting punching is overlapped, and unloading process can not damage punching cover and mould, and can be used for the mould punching cover puller of the mould punching cover dismounting of plurality of specifications, solve the mould punching cover dismounting existed in prior art to waste time and energy, even unloading process can damage punching cover or mould, causes rushing the technical problem that cover or mould are directly scrapped etc.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of mould punching cover puller, comprise the screw mandrel through mould upper punch cover centre bore, the overhead mechanism that can be connected to punching cover centre bore one end is provided with in one end of described screw mandrel, be arranged with the support tube that can be located at outside punching cover at the other end of screw mandrel, the screw mandrel that support tube outboard end is corresponding be connected with and can be pressed on support tube outer face and the clamp nut rushing cover can be held.By interting a rhizoid bar in the centre bore of punching cover, traversing through end corresponding outside screw mandrel is arranged overhead mechanism apical grafting on the edge of punching cover centre bore, the medial extremity of screw mandrel is set with a support tube, and the outboard end of support tube is connected to mold corresponding to punching cover outside on the surface, to spin clamp nut at the screw mandrel that support tube medial extremity is corresponding, during use, rotated the tractive force outwards produced relative to screw mandrel by clamp nut, screw mandrel is made to drive overhead mechanism synchronously outside, and then pull punching cover outwards mobile until deviate from completely from mold, structure is simple, unloading process is time saving and energy saving, operating efficiency is high, and punching cover and mould can not be damaged, extend the mold use life-span, and the mould punching cover dismounting of different size can be met, versatility is good.
As preferably, described overhead mechanism comprises can overlap centre bore through punching and the sliding sleeve be slidably connected on screw mandrel and the locating dowel be fixed on screw mandrel corresponding outside sliding sleeve, sliding sleeve is rotationally connected several can along the fork of sliding sleeve axial wobble, locating dowel is rotationally connected several push rods corresponding with fork, one end of push rod is rotatably connected in locating dowel, the other end of push rod points to sliding sleeve and is rotationally connected with the outboard end of fork, and screw mandrel between sliding sleeve and locating dowel is arranged with back-moving spring.By sliding sleeve, locating dowel, fork, the overhead mechanism of the umbrella shape that push rod and back-moving spring are formed, when overlapping centre bore together with screw mandrel through punching with overhead mechanism, automatically inwardly can shrink due to push rod and fork and pass punching cover centre bore, after punching cover centre bore, push rod and fork automatically expand outwardly again the outboard end opened also apical grafting and overlap in punching under the effect of back-moving spring, overhead mechanism is fixed on screw mandrel end all the time, without the need to installing again after dismounting, time saving and energy saving, what not only meet different size rushes cover dismounting requirement, and when punching be nested shape in blind hole or counterbore time also can dismantle smoothly, and it is concrete without the need to turning mould, easily laborsaving.
As more preferably, the external diameter of described sliding sleeve is less than or equal to the external diameter of locating dowel, and when push rod is parallel to screw mandrel axial line, the axis projection of push rod or fork is positioned at locating dowel.The external diameter of sliding sleeve is less than or equal to the external diameter of locating dowel, and can guarantee when the axis projection of push rod or fork is positioned at locating dowel after retraction that overhead mechanism through punching cover as much as possible, can expand the scope of application.
As preferably, the outer ring surface of described sliding sleeve is at least provided with three forks, and fork is uniform along the circumferencial direction of sliding sleeve.Along the fork that the circumferencial direction of sliding sleeve is uniform, ensure that punching is enclosed within withdrawal process stress equalization, guarantee that punching cover is extracted smoothly, also avoid choosing simultaneously and process damage mould rushes trepanning.
As preferably, described push rod inner side end is positioned at same sagittal plane and is supported on the outer face of punching cover.Can guarantee that when push rod inner side end is positioned at same sagittal plane supporting surface that push rod end formed is flat to be against in punching cover end face outside, guarantee that punching cover is extracted smoothly, also avoid choosing simultaneously and process damage mould rushes trepanning.
As preferably, described sliding sleeve and locating dowel are provided with some open slots, fork or push rod are rotatably connected in corresponding open slot.Fork or push rod are rotatably connected in open slot, and connected mode is simple, and fork and push rod can bounce back in sliding sleeve or locating dowel completely, thus can not affect screw mandrel through punching cover centre bore, meet the instructions for use of more small-bore punching cover centre bore.
As preferably, described overhead mechanism is the briquetting being coaxially movably connected in screw mandrel end, between the outer ring surface that the external diameter of briquetting overlaps at the centre bore and rushing of punching cover.Screw mandrel fixes briquetting in the external part of screw mandrel again through after punching cover centre bore, and pulled by briquetting and rush cover and deviate from, structure is simple, and being applicable to punching cover installing hole is the small mould of through hole.
As preferably, the outer ring surface of described clamp nut is connected with a pair pull bar, pull bar coaxially arranges and is positioned at same median plane.By arranging pull bar on the outer ring surface of clamp nut, being convenient to clamp nut and rotating.
As preferably, be coaxially extended with backstay in the end of described screw mandrel, overhead mechanism is located on backstay.By arranging the external diameter backstay less than screw mandrel, the volume of overhead mechanism can be increased, improving the intensity of overhead mechanism.
Therefore, mould punching cover puller of the present invention has following advantage:
1, clamp nut is adopted to drive punching cover upwards to choose along the screw mandrel tractive force rotated upwards, time saving and energy saving;
2, the overhead mechanism of the automatic expansion of umbrella shape, automatically expands support after rushing cover centre bore, and what be therefore applicable to plurality of specifications rushes cover dismounting, and versatility is good, easy to use, and the cover that rushes that can be used for blind hole or large mold is dismantled;
3, punching cover unloading process can not damage punching cover and mould, extends the mold use life-span.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of mould of the present invention punching cover puller;
The structural representation of overhead mechanism when Fig. 2 is the first embodiment.
detailed description of the invention:
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of mould punching cover puller of the present invention, comprising can through the screw mandrel 2 rushing cover 1 centre bore on mould 10, on the inserting end of screw mandrel 2, coaxial integrated is connected to backstay 8, the diameter of backstay 8 is the half in the large footpath of screw mandrel 2, install one in the end of backstay 8 and can be connected to the overhead mechanism rushed on cover 1 centre bore outer face, as shown in Figure 2, overhead mechanism comprises the sliding sleeve 51 being slidably connected at backstay 8 and the locating dowel 52 be coaxially fixed on the outer side gauge bar 8 of sliding sleeve 51, sliding sleeve 51 and locating dowel 52 equal diameters and be less than the large footpath of screw mandrel 2, sliding sleeve 51 and locating dowel 52 have three open slots 56, open slot 56 is along the circumferential direction uniform on sliding sleeve 51 and locating dowel 52 respectively, being rotationally connected one in open slot 56 on sliding sleeve 51 respectively can along the fork 53 of sliding sleeve 51 axial wobble, being rotationally connected one in open slot 56 in locating dowel 52 respectively can along the push rod 54 of locating dowel 52 axial wobble, one end of push rod 54 is rotatably connected in locating dowel 52, the other end of push rod 54 points to sliding sleeve 51, and be rotationally connected near the position of push rod 54 end and the outboard end of fork 53, simultaneously push rod 54 inner side end be positioned at same sagittal plane and be supported on rush cover 1 outer face on, when push rod 54 is parallel to screw mandrel 2 axial line, the axis projection of push rod 54 and fork 53 is all positioned at locating dowel 52, a sheathed back-moving spring 55 on screw mandrel 2 between sliding sleeve 51 and locating dowel 52.As shown in Figure 1, on the screw mandrel 2 rushing correspondence inside cover 1, suit one can be located at the support tube 3 rushed outside cover 1, screw mandrel 2 corresponding outside support tube 3 spins one the clamp nut 4 that can be pressed on support tube 3, on the outer ring surface of clamp nut 4, symmetry a pair pull bar, 7, two pull bars 7 that spin coaxially arrange and are positioned at same median plane.
During use, by screw mandrel 2 inserts with one end of overhead mechanism mould 10 rush in cover 1 centre bore, push rod 54 is stressed and drive fork 53 to bounce back, sliding sleeve 51 moves down, back-moving spring 55 compresses, after overhead mechanism passes and rushes cover 1 centre bore, sliding sleeve 51 under the spring restoring force effect of back-moving spring 55 on move, drive fork 53 upwards and make push rod 54 abduction open flat be against rush cover 1 outer face on, support tube 3 is coaxially located at outside the inner face rushing cover 1, the flat end face outside of support tube 3 is put down be against to rush the outer corresponding mould 10 of cover 1 on the surface, rotatably compress nut 4 downward, rotated the tractive force outwards produced relative to screw mandrel 2 by clamp nut 4, screw mandrel 2 is made to drive overhead mechanism synchronously outside, and then pull that to rush cover 1 outwards mobile until from mould 10 being deviate from completely in the container cavity of support tube 3.
Embodiment 2:
Overhead mechanism is the briquetting of the column being coaxially screwed in screw mandrel 2 end, and the external diameter of briquetting is rushing between the centre bore of cover 1 and the outer ring surface rushing cover 1.During use, screw mandrel 2 need screw in briquetting after rushing cover 1 on the unscrewing end of screw mandrel 2, and remainder is identical with embodiment 1.
Specific embodiment described herein is only to design of the present invention explanation for example.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. a mould punching cover puller, comprise the screw mandrel (2) through mould (10) upper punch cover (1) centre bore, it is characterized in that: be provided with the overhead mechanism that can be connected to punching cover (1) centre bore one end in one end of described screw mandrel (2), be arranged with at the other end of screw mandrel (2) and punching cover (1) support tube outward (3) can be located at, the screw mandrel (2) that support tube (3) outboard end is corresponding is connected with and can be pressed on support tube (3) outer face and the clamp nut (4) that (1) is overlapped in punching can be held, described overhead mechanism comprises can overlap (1) centre bore through punching and the sliding sleeve (51) be slidably connected on screw mandrel (2) and the locating dowel (52) be fixed on screw mandrel (2) corresponding to sliding sleeve (51) outside, sliding sleeve (51) is rotationally connected several can along the fork (53) of sliding sleeve (51) axial wobble, locating dowel (52) is rotationally connected several push rods (54) corresponding with fork (53), one end of push rod (54) is rotatably connected in locating dowel (52), the other end of push rod (54) points to sliding sleeve (51) and is rotationally connected with the outboard end of fork (53), and screw mandrel (2) between sliding sleeve (51) and locating dowel (52) is arranged with back-moving spring (55).
2. mould punching cover puller according to claim 1, it is characterized in that: the external diameter of described sliding sleeve (51) is less than or equal to the external diameter of locating dowel (52), and when push rod (54) is parallel to screw mandrel (2) axial line, the axis projection of push rod (54) or fork (53) is positioned at locating dowel (52).
3. mould punching cover puller according to claim 1 and 2, is characterized in that: on the outer ring surface of described sliding sleeve (51), be at least provided with three forks (53), and fork (53) is uniform along the circumferencial direction of sliding sleeve (51).
4. mould punching cover puller according to claim 1 and 2, is characterized in that: described push rod (54) inner side end is positioned at same sagittal plane and is supported on the outer face of punching cover (1).
5. mould punching cover puller according to claim 1 and 2, it is characterized in that: on described sliding sleeve (51) and locating dowel (52), be provided with some open slots (56), fork (53) or push rod (54) are rotatably connected in corresponding open slot (56).
6. mould according to claim 1 punching cover puller, is characterized in that: described overhead mechanism be the briquetting being coaxially movably connected in screw mandrel (2) end, the external diameter of briquetting be positioned at punching cover (1) centre bore and rush overlap (1) outer ring surface between.
7. the mould punching cover puller according to claim 1 or 2 or 6, it is characterized in that: on the outer ring surface of described clamp nut (4), be connected with a pair pull bar (7), pull bar (7) coaxially arranges and is positioned at same median plane.
8. the mould punching cover puller according to claim 1 or 2 or 6, it is characterized in that: be coaxially extended with backstay (8) in the end of described screw mandrel (2), overhead mechanism is located on backstay (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217911.5A CN103586831B (en) | 2013-06-04 | 2013-06-04 | Die punching sleeve extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217911.5A CN103586831B (en) | 2013-06-04 | 2013-06-04 | Die punching sleeve extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103586831A CN103586831A (en) | 2014-02-19 |
| CN103586831B true CN103586831B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310217911.5A Active CN103586831B (en) | 2013-06-04 | 2013-06-04 | Die punching sleeve extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103586831B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319777B (en) * | 2021-05-20 | 2023-04-28 | 山西省交通科技研发有限公司 | Rapid maintenance method for subway containment fence |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB295828A (en) * | 1927-08-15 | 1928-08-23 | Joseph Gallagher | A device for extracting valve seatings, sleeves, bushes or the like from their sockets |
| GB420194A (en) * | 1933-10-12 | 1934-11-27 | Frederik Smits | Improvements in and relating to appliances for removing bearing races, wheels and soforth |
| GB789619A (en) * | 1954-08-03 | 1958-01-22 | Alfred Kleinbongartz | Internal puller device for bearings, collars and the like |
| US4059883A (en) * | 1976-02-25 | 1977-11-29 | Milton English | Apparatus for removing an ignition key cylinder |
| CN2296800Y (en) * | 1997-06-13 | 1998-11-11 | 钟承龙 | Half shaft sleeve withdrawing device |
| CN201559161U (en) * | 2009-12-02 | 2010-08-25 | 广西玉柴机器股份有限公司 | Tappet assembling and disassembling tooling of engine |
-
2013
- 2013-06-04 CN CN201310217911.5A patent/CN103586831B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB295828A (en) * | 1927-08-15 | 1928-08-23 | Joseph Gallagher | A device for extracting valve seatings, sleeves, bushes or the like from their sockets |
| GB420194A (en) * | 1933-10-12 | 1934-11-27 | Frederik Smits | Improvements in and relating to appliances for removing bearing races, wheels and soforth |
| GB789619A (en) * | 1954-08-03 | 1958-01-22 | Alfred Kleinbongartz | Internal puller device for bearings, collars and the like |
| US4059883A (en) * | 1976-02-25 | 1977-11-29 | Milton English | Apparatus for removing an ignition key cylinder |
| CN2296800Y (en) * | 1997-06-13 | 1998-11-11 | 钟承龙 | Half shaft sleeve withdrawing device |
| CN201559161U (en) * | 2009-12-02 | 2010-08-25 | 广西玉柴机器股份有限公司 | Tappet assembling and disassembling tooling of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103586831A (en) | 2014-02-19 |
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Address after: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Patentee after: Zhejiang Geely Automotive Spare Parts Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 818 Binhai 2nd Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: NINGBO YUANJING AUTO PARTS Co.,Ltd. Country or region before: China Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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Effective date of registration: 20240507 Address after: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Patentee after: Ningbo Jirun Automobile Parts Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Patentee before: Zhejiang Geely Automotive Spare Parts Co.,Ltd. Country or region before: China Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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