CN209987329U - A resection device for cyclic annular injection molding mouth of a river - Google Patents
A resection device for cyclic annular injection molding mouth of a river Download PDFInfo
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- CN209987329U CN209987329U CN201920537543.5U CN201920537543U CN209987329U CN 209987329 U CN209987329 U CN 209987329U CN 201920537543 U CN201920537543 U CN 201920537543U CN 209987329 U CN209987329 U CN 209987329U
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- annular injection
- injection molding
- water gap
- fixing seat
- river
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 54
- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 19
- 238000002271 resection Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000005520 cutting process Methods 0.000 claims abstract description 46
- 238000004080 punching Methods 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a cutting device for a water gap of an annular injection molding part, which comprises a punching machine; the inner hole of the annular injection molding piece is sleeved and fixed on the excircle of the annular fixing seat; the water gap avoiding groove is formed in the circular ring fixing seat, and a water gap of the annular injection molding part is positioned in the water gap avoiding groove; the upper cutting plate is fixedly connected to a stamping part of the stamping machine; the cutter is fixedly connected to the upper cutting plate and provided with a plurality of cutters, the positions of the plurality of cutters correspond to the water gap connecting positions of the annular injection molding part one by one, and the cutters cut off the water gaps of the annular injection molding part in a moving mode through the driving of the pressing part. Adopt the punching press mode, make the cutter cut off the mouth of a river of keeping away the sky to realize the excision of mouth of a river and mouth of a river runner, can realize the automatic excision of the mouth of a river of cyclic annular injection molding, reduced physical labor intensity, make product quality unanimous, do benefit to and realize standardized production, automated production has improved production efficiency.
Description
Technical Field
The utility model relates to an annular part field of moulding plastics especially relates to a resection device that is used for cyclic annular injection molding mouth of a river.
Background
In the injection molding production of the annular injection molding part, in order to ensure that the injection molding part can be fully injection molded, a water gap and a water gap flow channel are required to be arranged, wherein the water gap refers to a combination part of a frame and a part formed when a model is cast in a factory. Also known as a gate, means an inlet and an outlet through which the heated liquid plastic flows. As shown in fig. 1, a common injection runner arrangement of the ring-shaped injection molded part 100 is provided, that is, the water gaps 110 are symmetrically arranged on the inner wall of the ring-shaped injection molded part, and the water gaps 120 are connected to the two side water gaps.
The annular injection molding part needs to remove redundant water ports and water port flow passages after molding and can be used for subsequent production and assembly, the existing water port removal is carried out in two stages, parts are firstly cut off from a frame from positions slightly reserved with some water ports, and then the residual water ports on the edges of the parts are cut off for finishing by using a pencil sharpener for a model. The bevel scissors cut along the thinner direction of the nozzle when the bevel scissors and the nozzle are in the corresponding directions, so that the bevel scissors do not excessively twist the nozzle to cause whitening of the joint of the nozzle and the part. When the water gap is cut by a pencil knife, the water gap is cut little by little from top to bottom, so that the water gap is safe, and the position of the water gap of the part is finally smooth. In addition, the nozzle can be polished in sequence from coarse to fine by using sand paper so as to make the nozzle less obvious. The existing annular injection molding part is usually operated manually in the process of cutting off a water gap, so that the manual operation efficiency is low, the quality cannot be unified, and the standardized production is difficult to realize.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an resection device for cyclic annular injection molding mouth of a river, can make the mouth of a river of the cyclic annular injection molding of automatic excision to make product quality unanimous, do benefit to and realize standardized production, automated production has improved production efficiency.
The utility model provides a technical scheme that technical problem adopted as follows:
a cutting device for a water gap of an annular injection molding part comprises a punching machine;
the circular ring fixing seat is positioned on a workbench of the punching machine, and an inner hole of the annular injection molding part is sleeved and fixed on the excircle of the circular ring fixing seat;
the water gap avoiding groove is formed in the circular ring fixing seat, and a water gap of the annular injection molding part is positioned in the water gap avoiding groove;
the upper cutting plate is fixedly connected to a stamping part of the stamping machine;
the cutter is fixedly connected to the upper cutting plate and provided with a plurality of cutters, the positions of the plurality of cutters correspond to the water gap connecting positions of the annular injection molding part one by one, and the cutters cut off the water gaps of the annular injection molding part in a moving mode through the driving of the pressing part.
Furthermore, a fixed step is formed in the outer surface of the circular ring fixing seat, an inner hole of the annular injection molding piece is sleeved on the outer circle of the fixed step, and the lower surface of the annular injection molding piece abuts against the surface of the fixed step.
Further, the outer circle of the fixed step is set to be a smooth surface.
Furthermore, a guide hole is formed in the upper surface of the circular ring fixing seat, and a guide column is fixedly arranged on the upper cutting plate corresponding to the guide hole.
Furthermore, a chamfer is arranged on the guide hole, and a chamfer is arranged on the guide post.
Further, an anti-collision column is fixedly arranged on the upper cutting plate and used for enabling the cutter to stop at a safe position in the stamping movement process.
Further, the punching machine comprises a base, wherein the base is fixedly arranged on a workbench of the punching machine, and the circular ring fixing seat is fixedly arranged on the base.
Furthermore, a plurality of hollow grooves are formed in the base.
Furthermore, the ring fixing seat is provided with a plurality of cutter grooves, the cutter grooves correspond to the cutters in position, the cutter grooves are communicated with the water gap avoiding groove, and the width of each cutter groove is smaller than that of the water gap avoiding groove.
The beneficial effect who adopts above-mentioned scheme is: the utility model provides a resection device for cyclic annular injection molding mouth of a river fixes cyclic annular injection molding on the excircle of ring fixing base to offer the mouth of a river and keep away the vacancy completely of mouth of a river and mouth of a river runner on the empty groove messenger cyclic annular injection molding, adopt the stamping mode, make the cutter cut off the mouth of a river of keeping away the vacancy, thereby realize the excision of mouth of a river and mouth of a river runner, can realize the automatic excision in the mouth of a river of cyclic annular injection molding, the physical labor intensity has been reduced, make product quality unanimous, do benefit to and realize standardized production, automated production has improved production efficiency.
Drawings
Fig. 1 is a schematic structural view of the middle ring-shaped injection molding part of the present invention.
Fig. 2 is a side view of an embodiment of the cutting device for an annular injection molded part nozzle of the present invention.
Fig. 3 is an exploded view of an embodiment of the cutting device for an annular injection molded part nozzle of the present invention.
Fig. 4 is a schematic structural view of a ring fixing seat in an embodiment of the cutting device for the annular injection nozzle of the present invention.
Fig. 5 is a schematic structural view of an upper cutting plate in an embodiment of the cutting device for the annular injection nozzle of the present invention.
In the figure: 100. an annular injection molded part; 110. a water gap; 120. a water gap flow channel; 200. a circular ring fixing seat; 210. fixing the step; 211. fixing the outer circle of the step; 212. fixing the step surface; 220. a guide hole; 300. a water gap avoiding groove; 310. a cutter slot; 400. cutting the plate upwards; 420. a cutter; 421. a bevel face; 430. a guide post; 440. an impact post; 500. a base; 510. and (6) hollowing out the groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
FIG. 1 is a schematic structural view of a middle ring-shaped injection-molded part according to the present invention; FIG. 2 is a side view of an embodiment of the present invention of a cutting device for an annular injection molded part nozzle; fig. 3 is an exploded view of an embodiment of the cutting device for an annular injection molded part nozzle of the present invention; fig. 4 is a schematic structural view of a ring fixing seat in an embodiment of the cutting device for the annular injection molding nozzle of the present invention; fig. 5 is a schematic structural view of an upper cutting plate in an embodiment of the cutting device for the annular injection nozzle of the present invention.
The utility model provides a resection device for cyclic annular injection molding mouth of a river, including the punching machine (not drawn in the figure), the punching machine comprises mainly workstation and stamping component, accomplishes stamping operation and still needs stamping die, now borrows mould and punching press lower mould in the punching press to explain theory of operation, and the course of work is placed on the punching press bench for the punching press lower mould, and the mould is connected on the punching press subassembly in the punching press, drives the mould in the punching press through the punching press subassembly and moves towards the punching press lower mould and compress tightly the punching press lower mould, makes the material shaping in the mould.
As shown in fig. 2, 3 and 4, the cutting device for the water gap of the annular injection molded part further includes a ring holder 200, the ring holder 200 is located on the worktable of the punching machine, and an inner hole of the annular injection molded part 100 is fixedly sleeved on an outer circle of the ring holder 200, so as to fix the annular injection molded part 100, in this embodiment, the preferable mode is as follows: as shown in fig. 2 and 3, fixed step 210 has been seted up on the surface of ring fixing base 200, process a section little excircle promptly on ring fixing base 200 excircle, form the diameter difference between the excircle of little excircle and ring fixing base 200 to form fixed step 210, the surface of the little excircle that fixed step excircle 211 was processed promptly, fixed step surface 212 is the terminal surface of little excircle department of meeting of little excircle and ring fixing base 200, the hole cover of cyclic annular injection molding 100 is established on fixed step excircle 211, the lower surface of cyclic annular injection molding 100 supports and leans on fixed step surface 212. Therefore, the annular injection molding part 100 is fixed on the fixed step 210, the outer circle 212 of the fixed step adopts a smooth surface, and the problem of product quality caused by the fact that the surface of the inner hole of the annular injection molding part 100 is scratched when the inner hole of the annular injection molding part 100 is in contact with the outer circle 212 of the fixed step is avoided.
As shown in fig. 4, a nozzle clearance groove 300 is formed on the upper surface of the ring fixing seat 200, and the nozzle 110 and the nozzle runner 120 of the annular injection molded part are located in the nozzle clearance groove 300; after the annular injection molding part 100 is fixed on the annular fixed seat 200, the area of the water gap clearance groove 300 is larger than the outline areas of the water gap 110 and the water gap runner 120 on the annular injection molding part 100, so that the water gap 110 and the water gap runner 120 on the annular injection molding part are completely avoided, and after the water gap 110 is cut off, the water gap 110 and the water gap runner 120 can fall out of the water gap clearance groove 300.
As shown in fig. 2, 3 and 5, an upper cutting plate 400 is fixedly connected to a stamping part (not shown in the drawings) of the stamping machine through screws, a plurality of cutters 420 are fixedly connected to the upper cutting plate 400 through screws, the positions of the plurality of cutters 420 correspond to the connection positions of the water gaps 110 of the annular injection molding part one by one, and since two corresponding positions of the water gaps 110 of the annular injection molding part 100 are provided in the present embodiment, as shown in fig. 5, the two cutters 420 are symmetrically provided in the present embodiment, the cutters 420 cut the water gaps 110 of the annular injection molding part 100 by driving of the stamping part, that is, when the stamping part moves, the upper cutting plate 400 is driven to move towards the ring fixing seat 200, and the cutters 420 are driven to cut the water gaps 110 of the annular injection molding part on the ring fixing seat 200. Two cutters 420 that the symmetry set up are vertical face towards the one side of outside, and the face that is relative sets up to bevel face 421 towards the inboard, and bevel face 421 of two cutters 420 form positive "eight" word, and like this, the vertical face of cutter 420 is straight up-down in the motion process, makes cutter 420 only to mouth of a river 110 contact when the cutting, avoids contacting the hole of cyclic annular injection molding 100.
A guide hole 220 is formed on the upper surface of the ring fixing seat 200, and a guide post 430 is spirally and fixedly connected to the upper cutting plate 400 at a position corresponding to the guide hole 220; the guide post 430 enters the guide hole 220 first during the movement, thereby preventing the cutting position of the cutting knife 420 from being shifted. A chamfer (not shown) is provided on the guide hole 220, and a chamfer (not shown) is provided on the guide post 430; this further facilitates the entry of the guide post 430 into the guide hole 220. The number of the guide holes 220 in this embodiment is four, and the number of the guide holes is 4 corresponding to the guide posts 430.
As shown in fig. 4, the upper cutting plate 400 is fixedly connected with a crash post 440 through a screw, the crash post 440 is generally made of rubber, the crash post 440 is used for stopping the cutter 420 in the punching motion process at a safe position, when the punching component drives the cutter 420 to punch towards the ring fixing seat 200, if the cutter 420 is pressed downwards continuously after the water gap 110 is cut off, the cutter 420 may overrun, and when the cutter 420 contacts the workbench of the punching machine, the workbench or the cutter may be damaged. Therefore, before the cutter 420 contacts the workbench of the punching machine, the impact-proof column 440 contacts the ring fixing seat 200 first, so that the punching part can be braked in time, and the function of protecting the cutter and the punching machine is achieved.
The cutting device further comprises a base 500, the base 500 is fixedly connected to the workbench of the punching machine through screws, and the ring fixing seat 200 is fixedly arranged on the base 500. The circular ring fixing seat 200 needs to bear larger impact in the process of punching and cutting the water gap 110, the base 500 is added, the bottom area of the base 500 is larger, the circular ring fixing seat 200 is more stably fixed on a workbench of a punching machine, and the impact pressure of the workbench of the punching machine is reduced. The base 500 is provided with a plurality of hollow grooves 510, so that the weight of the base 500 is reduced, and the excessive bearing of a workbench of a punching machine is avoided.
As shown in fig. 3 and 4, in a preferred embodiment of the cutting device, the annular fixing base 200 is provided with a plurality of cutter grooves 310, the number of the cutter grooves 310 is two, the cutter grooves 310 are communicated with the nozzle clearance groove 300, and the width of the cutter grooves 310 is smaller than the width of the nozzle clearance groove 300, so that the clearance area of the position of the nozzle 110 at the cutting position is reduced, the position of the lower surface of the annular injection molded part 100 abutting against the surface of the fixing step 210 is increased, the contact area with the lower surface of the annular injection molded part 100 is increased, and the cutter grooves 420 are more stable when cutting the nozzle 110.
To sum up, the utility model provides a resection device for cyclic annular injection molding mouth of a river fixes cyclic annular injection molding on the excircle of ring fixing base 200 to set up the mouth of a river and keep away empty groove 300 and make mouth of a river 110 and mouth of a river runner 120 on the cyclic annular injection molding keep away the sky completely, adopt the punching press mode, make cutter 420 cut off and keep away empty mouth of a river 110, thereby realize the excision of mouth of a river 110 and mouth of a river runner 120, can realize the automatic excision of the mouth of a river 110 of cyclic annular injection molding 100, the manual labor intensity is reduced, make product quality unanimous, do benefit to and realize standardized production, automated production has improved production efficiency.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a resection device for cyclic annular injection molding mouth of a river, including the punching machine, its characterized in that still includes:
the circular ring fixing seat is positioned on a workbench of the punching machine, and an inner hole of the annular injection molding part is sleeved and fixed on the excircle of the circular ring fixing seat;
the water gap avoiding groove is formed in the circular ring fixing seat, and a water gap of the annular injection molding part is positioned in the water gap avoiding groove;
the upper cutting plate is fixedly connected to a stamping part of the stamping machine;
the cutter is fixedly connected to the upper cutting plate and provided with a plurality of cutters, the positions of the plurality of cutters correspond to the water gap connecting positions of the annular injection molding part one by one, and the cutters cut off the water gaps of the annular injection molding part in a moving mode through the driving of the pressing part.
2. A cutting device for a gate of an annular injection molded part according to claim 1, characterized in that: the outer surface of the circular ring fixing seat is provided with a fixing step, the inner hole of the annular injection molding piece is sleeved on the outer circle of the fixing step, and the lower surface of the annular injection molding piece abuts against the surface of the fixing step.
3. A cutting device for a gate of an annular injection molded part according to claim 2, characterized in that: the excircle of the fixed step is a smooth surface.
4. A cutting device for a gate of an annular injection molded part according to claim 2, characterized in that: the upper surface of the circular ring fixing seat is provided with a guide hole, and a guide column is fixedly arranged on the upper cutting plate corresponding to the guide hole.
5. A cutting device for an annular injection molded part nozzle according to claim 4, characterized in that: a chamfer is arranged on the guide hole, and a chamfer is arranged on the guide post.
6. A cutting device for a gate of an annular injection molded part according to claim 1, characterized in that: and the upper cutting plate is fixedly provided with an anti-collision column, and the anti-collision column is used for stopping the cutter at a safe position in the stamping motion process.
7. A cutting device for a gate of an annular injection molded part according to claim 1, characterized in that: the punching machine is characterized by further comprising a base, wherein the base is fixedly arranged on a workbench of the punching machine, and the circular ring fixing seat is fixedly arranged on the base.
8. A cutting device for a gate of an annular injection molded part according to claim 7, characterized in that: a plurality of hollow grooves are formed in the base.
9. A cutting device for a gate of an annular injection molded part according to claim 1, characterized in that: the annular fixing seat is provided with a plurality of cutter grooves, the cutter grooves correspond to the cutters in position, the cutter grooves are communicated with the water gap clearance groove, and the width of each cutter groove is smaller than that of the water gap clearance groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537543.5U CN209987329U (en) | 2019-04-19 | 2019-04-19 | A resection device for cyclic annular injection molding mouth of a river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537543.5U CN209987329U (en) | 2019-04-19 | 2019-04-19 | A resection device for cyclic annular injection molding mouth of a river |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209987329U true CN209987329U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920537543.5U Expired - Fee Related CN209987329U (en) | 2019-04-19 | 2019-04-19 | A resection device for cyclic annular injection molding mouth of a river |
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| Country | Link |
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| CN (1) | CN209987329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030143A (en) * | 2021-11-17 | 2022-02-11 | 徐州云泰精密技术有限公司 | Collecting ring water gap punching device |
-
2019
- 2019-04-19 CN CN201920537543.5U patent/CN209987329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030143A (en) * | 2021-11-17 | 2022-02-11 | 徐州云泰精密技术有限公司 | Collecting ring water gap punching device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |