CN214872202U - A mold for preventing tool handle from being shot out of the edge - Google Patents
A mold for preventing tool handle from being shot out of the edge Download PDFInfo
- Publication number
- CN214872202U CN214872202U CN202120409575.4U CN202120409575U CN214872202U CN 214872202 U CN214872202 U CN 214872202U CN 202120409575 U CN202120409575 U CN 202120409575U CN 214872202 U CN214872202 U CN 214872202U
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- handle
- mold
- insert
- shaped
- tool
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 33
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 239000002991 molded plastic Substances 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a prevent that cutter handle from penetrating mould of limit partially, it includes front mould, back mould, mold insert, hydraulic cylinder, wherein, the cutter handle includes handle shell and handle inner bag, be provided with handle shell LOGO on the outer peripheral face of handle shell, all be provided with the T type through-hole that runs through front mould and back mould respectively on front mould and the back mould, the mold insert sets up in T type through-hole, one end and the contact of handle shell LOGO of mold insert, the other end and the hydraulic cylinder connection of mold insert; the problem of current handle of a knife injection molding in-process often appear the handle inner bag inclined to one side, the unable parcel handle inner bag of handle shell leads to the unable problem that satisfies the cutter handle design requirement of injection moulding is solved, owing to adopt twice injection moulding, the handle inner bag uses the recovery material, and the handle shell uses the raw materials, can material saving cost, and the handle is moulded plastics and is glued the position thickness evenly, reduces molding time and transfers quick-witted technology, and it is more stable to shrink littleer product size after the injection moulding, stops die cutting phenomenon to take place.
Description
Technical Field
The utility model belongs to the technical field of the mould of preparation cutter handle, its concretely relates to prevent that cutter handle from spouting mould on one side.
Background
The tool holder is a tool, is a mechanical main shaft, a tool and other accessory tool connecting pieces, and has main shaft models with a plurality of specifications such as BT, SK, CAPTO, BBT, HSK and the like in the current main standard; but common handle of a knife on the market is mostly direct by wood system handle of a knife or the plastics handle of a knife of moulding plastics, and the handle of a knife or the wood system handle of a knife of most of moulding plastics are formed by the polylith concatenation, use after the certain time, may become flexible and lead to feeling uncomfortable, therefore, technical personnel have proposed the handle of a knife of once only shaping and have solved above-mentioned problem, and the handle in-process of moulding plastics now, the handle is moulded plastics and is divided twice and jets out, jet the handle inner bag earlier, jet the handle shell again, therefore, the handle inner bag inclined edge often appears, the unable parcel handle inner bag of handle shell, lead to jetting out the unable problem that satisfies the cutter handle designing requirement of shaping.
Therefore, it is necessary to design a mold capable of preventing the edge deviation phenomenon during the injection of the tool handle, and the mold structure for preventing the edge deviation during the injection of the tool handle is designed on the mold, so as to meet the design requirement of the tool handle by injection molding and overcome the above defects.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model discloses a mould for preventing a cutter handle from projecting an inclined edge, which comprises a front mould, a rear mould, an insert and a hydraulic oil cylinder, wherein the cutter handle comprises a handle shell and a handle liner, the outer peripheral surface of the handle shell is provided with a handle shell LOGO, the front mould and the rear mould are respectively provided with a T-shaped through hole which respectively penetrates through the front mould and the rear mould, the insert is arranged in the T-shaped through hole, one end of the insert is contacted with the handle shell LOGO, and the other end of the insert is connected with the hydraulic oil cylinder; the problem of current handle of a knife injection molding in-process often appear the handle inner bag limit partially, the handle inner bag can't be wrapped up in to the handle shell, leads to the injection molding can't satisfy cutter handle design requirement is solved.
The technical problem to be solved by the present invention is to provide a mold for preventing the edge deviation of a tool handle, which comprises a front mold, a rear mold, a first mold insert, a second mold insert, a first hydraulic cylinder and a second hydraulic cylinder, wherein the front mold and the rear mold are provided with a cavity for forming the tool handle and a cavity for placing a tool on the opposite surfaces thereof, the tool handle comprises a handle housing and a handle inner container, the outer peripheral surface of the handle housing is provided with 2 handle housing LOGO symmetrically distributed along the central axis of the handle housing, the front mold is provided with a first T-shaped through hole penetrating through the front mold on the surface of the front mold opposite to the rear mold, the first mold insert is disposed in the first T-shaped through hole, one end of the first mold insert contacts with one of the 2 handle housing LOGO, the other end of the first insert is connected with the first hydraulic oil cylinder; a second T-shaped through hole penetrating through the rear die is formed in the surface, opposite to the front die, of the rear die, the second insert is arranged in the second T-shaped through hole, one end of the second insert is in contact with the other of the 2 handle shells LOGO, and the other end of the second insert is connected with the second hydraulic oil cylinder;
preferably, the mold is provided with an injection molding runner, and the injection molding runner is positioned at the connecting part of the cutter body and the cutter handle;
preferably, a plurality of first T-shaped through holes are uniformly distributed in the front mold, and a plurality of second T-shaped through holes are uniformly distributed in the rear mold;
preferably, the number of the first hydraulic oil cylinders is multiple, and the number of the first hydraulic oil cylinders is equal to that of the second hydraulic oil cylinders;
preferably, the fit clearance of the first insert and the front mold is less than 0.04mm, and the fit clearance of the second insert and the rear mold is less than 0.04 mm;
preferably, the first hydraulic oil cylinder is locked on the front die through screws, and the second hydraulic oil cylinder is locked on the rear die through screws;
preferably, the hydraulic oil cylinder is connected with the insert through a connecting piece, one end of the connecting piece is fixed on a push rod of the hydraulic oil cylinder, the other end of the connecting piece is of a structure with a T-shaped lug, and one end of the insert, which is opposite to the connecting piece, is provided with a T-shaped groove;
when a tool shank of a tool needs to be formed, a T-shaped lug on a connecting piece is arranged in a T-shaped groove of an insert to enable the insert to be hung on a hydraulic oil cylinder, then the insert and the hydraulic oil cylinder are arranged in a T-shaped through hole of a front die and a rear die, the fit clearance between the insert and the front die and the rear die is within 0.04mm, the insert and the front die and the rear die can slide freely, the position of the insert is controlled by controlling the extension and contraction of a push rod of the hydraulic oil cylinder, and finally, the hydraulic oil cylinder is locked on the front die and the rear die by screws; in the using process, after the front die and the rear die are closed, the insert is supported on the handle inner container, when the handle outer container is injected in the injection molding process, after the glue position of the handle outer container is filled to a certain position, the handle inner container is supported by the glue position, the insert is controlled to move towards the direction far away from the handle inner container by controlling the hydraulic oil cylinder, and the injection molding machine continues to fill the whole handle outer container; the produced handle shell generates result marks at the contact part of the insert, but in the subsequent processing, the appearance of the handle is not influenced because the structure marks of the insert are covered by an art designing line at the LOGO position.
Compared with the prior art, the utility model has the positive effects that: the utility model provides a prevent that cutter handle from spouting mould on inclined to one side owing to adopt twice injection moulding, the handle inner bag uses the recovery material, the handle shell uses the raw materials, can the material saving cost, the handle is moulded plastics and is glued the position thickness even, reduce the shaping time and transfer quick-witted technology, shrink more little product size is more stable after the injection moulding, stop the die cutting phenomenon and take place, thereby solved current handle of a knife and moulded plastics the in-process and often appear the inner bag on the inclined to one side, the unable parcel inner bag of shell leads to the unable problem that satisfies cutter handle design requirement of injection moulding.
Drawings
FIG. 1 is a schematic view of an injection molded structure of a handle housing in the prior art, wherein FIG. (a) is a front view, FIG. (b) is a side view, and FIG. (c) is a top view;
FIG. 2 is a schematic view of an injection molding structure of the handle case according to the present invention;
fig. 3 is a die for preventing the tool handle from projecting an edge deviation in the present invention;
FIG. 4 is a diagram showing the positions of the insert and the hydraulic cylinder in the mold for preventing the tool handle from projecting the inclined edge;
the labels in the figures are: 1-cutter body, 2-cutter handle liner, 3-cutter handle shell, 4-injection runner, 5-handle shell LOGO, 6-front die, 7-rear die, 8-hydraulic oil cylinder and 9-insert.
Detailed Description
The present invention will be further described with reference to fig. 1-4 and the following detailed description.
Referring to the attached drawing 1, the schematic diagram of the injection molding structure of the handle shell in the prior art is shown, that is, in the injection molding process of the existing handle, the handle is injected twice, the handle liner 2 is injected first, and then the handle shell 3 is injected, so that the problem that the design requirements of the tool handle cannot be met by injection molding due to the fact that the handle liner 2 is often deviated and the handle shell 3 cannot wrap the handle liner occurs;
referring to the accompanying drawings 2-4, the die for preventing the edge deviation of the cutter handle is disclosed, which comprises a front die 6, a rear die 7, a first insert 9, a second insert 9, a first hydraulic cylinder 8 and a second hydraulic cylinder 8, wherein a cavity for forming the cutter handle and a cavity for placing a cutter are arranged on the opposite surfaces of the front die 6 and the rear die 7, the cutter handle comprises a handle shell 3 and a handle liner 2, 2 handle shells LOGO5 symmetrically distributed along the central axis of the handle shell 3 are arranged on the outer circumferential surface of the handle shell 3, a first T-shaped through hole penetrating through the front die 6 is arranged on the surface of the front die 6 opposite to the rear die 7 of the front die 6, the first insert 9 is arranged in the first T-shaped through hole, one end of the first insert 9 is in contact with one of the 2 handle shells LOGO, the other end of the first insert 9 is connected with the first hydraulic oil cylinder 8; a second T-shaped through hole penetrating through the rear die 7 is formed in the surface, opposite to the front die 6, of the rear die 7, a second insert 9 is arranged in the second T-shaped through hole, one end of the second insert 9 is in contact with the other of the 2 handle shells LOGO, and the other end of the second insert 9 is connected with the second hydraulic oil cylinder 8;
an injection molding runner 4 is arranged on the mold, and the injection molding runner 4 is positioned at the connecting part of the cutter body 1 and the cutter handle; a plurality of first T-shaped through holes which are uniformly distributed are formed in the front die 6, and a plurality of second T-shaped through holes which are uniformly distributed are formed in the rear die 7; the number of the first hydraulic oil cylinders is multiple, and the number of the first hydraulic oil cylinders is equal to that of the second hydraulic oil cylinders; the fit clearance between the first insert and the front die is less than 0.04mm, and the fit clearance between the second insert and the rear die is less than 0.04 mm; the first hydraulic oil cylinder is locked on the front die through screws, and the second hydraulic oil cylinder is locked on the rear die through screws; the hydraulic oil cylinder is connected with the insert through a connecting piece, one end of the connecting piece is fixed on a push rod of the hydraulic oil cylinder, the other end of the connecting piece is of a structure with a T-shaped convex block, and one end, opposite to the connecting piece, of the insert is provided with a T-shaped groove.
When a tool shank of a tool needs to be formed, a T-shaped lug on a connecting piece is arranged in a T-shaped groove of an insert to enable the insert to be hung on a hydraulic oil cylinder, then the insert and the hydraulic oil cylinder are arranged in a T-shaped through hole of a front die and a rear die, the fit clearance between the insert and the front die and the rear die is within 0.04mm, the insert and the front die and the rear die can slide freely, the position of the insert is controlled by controlling the extension and contraction of a push rod of the hydraulic oil cylinder, and finally, the hydraulic oil cylinder is locked on the front die and the rear die by screws; in the using process, after the front die and the rear die are closed, the insert is supported on the handle inner container, when the handle outer container is injected in the injection molding process, after the glue position of the handle outer container is filled to a certain position, the handle inner container is supported by the glue position, the insert is controlled to move towards the direction far away from the handle inner container by controlling the hydraulic oil cylinder, and the injection molding machine continues to fill the whole handle outer container; the produced handle shell generates result marks at the contact part of the insert, but in the subsequent processing, the appearance of the handle is not influenced because the structure marks of the insert are covered by an art designing line at the LOGO position.
Compared with the prior art, the utility model has the positive effects that: the utility model provides a prevent that cutter handle from spouting mould on inclined to one side owing to adopt twice injection moulding, the handle inner bag uses the recovery material, the handle shell uses the raw materials, can the material saving cost, the handle is moulded plastics and is glued the position thickness even, reduce the shaping time and transfer quick-witted technology, shrink more little product size is more stable after the injection moulding, stop the die cutting phenomenon and take place, thereby solved current handle of a knife and moulded plastics the in-process and often appear the inner bag on the inclined to one side, the unable parcel inner bag of shell leads to the unable problem that satisfies cutter handle design requirement of injection moulding.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409575.4U CN214872202U (en) | 2021-02-24 | 2021-02-24 | A mold for preventing tool handle from being shot out of the edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409575.4U CN214872202U (en) | 2021-02-24 | 2021-02-24 | A mold for preventing tool handle from being shot out of the edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214872202U true CN214872202U (en) | 2021-11-26 |
Family
ID=78855354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409575.4U Expired - Fee Related CN214872202U (en) | 2021-02-24 | 2021-02-24 | A mold for preventing tool handle from being shot out of the edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214872202U (en) |
-
2021
- 2021-02-24 CN CN202120409575.4U patent/CN214872202U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |