CN216267230U

CN216267230U - Novel injection mold for one-step molding of upper stop and lower stop of zipper

Info

Publication number: CN216267230U
Application number: CN202123035255.6U
Authority: CN
Inventors: 曹华伟
Original assignee: Wenzhou Huawei Mould Technology Co ltd
Current assignee: Wenzhou Huawei Mould Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-12
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a novel injection mold for one-step molding of a top stop and a bottom stop of a zipper, which comprises a lower mold and an upper mold, wherein an upper pressing block and an upper pressing mold are installed in the middle of the upper mold, an inclined pressing surface is arranged at the bottom of the upper pressing block, a flow channel is formed in the surface between the lower mold and the upper mold, a liquid inlet is formed in the top of the upper mold, ejector rods are installed in the middle of the flow channel and at the bottoms of end heads close to four cavities, four cavities are formed in the end heads of the flow channel, and a molding block is arranged at the top of the upper mold close to one cavity. This novel injection mold who ends one shot forming from top to bottom on zip fastener's last briquetting and pressfitting piece can guarantee to carry out the pressfitting motion in step, when the upper die pushes down, the bearing inclined plane interact through the bearing inclined plane of last briquetting and pressfitting piece, make the pressfitting piece can synchronous motion, the horizontal pressfitting action of synchronous completion pressfitting piece when guaranteeing to go up the mould and push down, make stopper shaping groove and the mutual pressfitting of shaping groove, with socket part pressfitting molding, avoid the pressfitting piece to insert the damage that the deep formation of connecting cloth.

Description

Novel injection mold for one-step molding of upper stop and lower stop of zipper

Technical Field

The utility model relates to the technical field of zipper processing equipment, in particular to a novel injection mold for one-step molding of an upper stop and a lower stop of a zipper.

Background

When carrying out zip fastener processing, need to mould plastics back pressfitting molding to four last bottom departments of zip fastener, four last bottom are the last dog and the bolt part of a zip fastener, the last dog and the socket part of another zip fastener, in the pressfitting of socket part mould, at last briquetting down-pressure formula, need drive the pressfitting piece through the horizontally cylinder and remove, thereby carry out the pressfitting, this kind of mode pressfitting is comparatively troublesome, it can guarantee the work piece shaping only to need pressfitting piece and last briquetting to keep synchronous pressfitting, the accuracy is not high enough, produce certain error easily, and the mould inserts deeplyTime of flightThe connecting cloth is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel injection mold for one-step molding of a top stop and a bottom stop of a zipper, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides a novel injection mold for one-step forming of a top stopper and a bottom stopper of a zipper, which comprises a lower mold and an upper mold, wherein an upper pressing block and an upper pressing mold are arranged in the middle of the upper mold, an inclined pressing surface is arranged at the bottom of the upper pressing block, a flow channel is arranged on the surface between the lower mold and the upper mold, a liquid inlet is arranged at the top of the upper mold, ejector rods are respectively arranged at the middle of the flow channel and the bottoms of the end heads close to four cavities, four cavities are arranged at the end heads of the flow channel, a forming block is arranged at the top of the upper mold close to one cavity, a socket mold is arranged at one side of the forming block and consists of a pressing block and a forming block, the pressing block is positioned at one side of the forming block, a positioning plate is integrally formed at one side of the pressing block, a pressure bearing inclined surface is arranged at the top of the pressing block, and a stopper forming groove is arranged at one side of the pressing block close to the forming block, the top of the forming block is provided with a bolt hole forming block, a cloth seam forming groove is formed in the surface of one side of the bolt hole forming block, and when the upper pressing block vertically moves downwards, the pressing block can be driven to horizontally move through the action of the inclined pressing surface and the pressure bearing inclined surface, so that the limiting block forming groove is close to the cloth seam forming groove.

Preferably, the bottom of the lower die is provided with a moving block, and the top of one end of the moving block is connected with the positioning plate.

Preferably, the bottom of the forming block is provided with a return spring.

Preferably, the width of the positioning plate is smaller than the width of the inner wall of the cavity.

Preferably, the outer end of the moving block is provided with a hanging hole.

Preferably, the end of the flow passage is provided with a flow passage inlet.

Preferably, the top of one end of the moving block is provided with a clamping groove, the bottom of the positioning plate is provided with a clamping strip, and the clamping strip is in clamping fit with the clamping groove.

Preferably, a first screw hole is formed in the surface of the positioning plate, a second screw hole is formed in the bottom surface of the middle of the clamping groove, and the first screw hole corresponds to the second screw hole in position.

Preferably, the zipper forming grooves are formed in two sides of the top of the lower die, a zipper positioning column is installed on one side of the middle of each zipper forming groove, a strip-shaped hole is formed in one section of the surface of each zipper positioning column, and a screw is installed in each strip-shaped hole.

Compared with the prior art, the utility model has the beneficial effects that:

in this novel end one shot forming's injection mold from top to bottom of zip fastener, can guarantee through the last briquetting that wherein sets up and the pressfitting piece and carry out the pressfitting motion in step, when the cope match-plate pattern pushes down, the bearing inclined plane interact through the oblique pressing face of last briquetting and pressfitting piece, make the pressfitting piece can synchronous motion, the horizontal pressfitting action of synchronous completion pressfitting piece when guaranteeing to go up the mould and push down, thereby make stopper shaping groove and the mutual pressfitting of cloth seam shaping groove, with socket part pressfitting molding, guarantee the accuracy nature, avoid producing error, and make the distance that it removed fixed, avoid the pressfitting piece to insert the damage that leads to the connection cloth deeply.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a lower mold of the present invention;

FIG. 3 is a schematic top view of the lower mold of the present invention;

FIG. 4 is a partial schematic structural view of the present invention;

fig. 5 is a schematic diagram of a partial explosion structure of the present invention.

The various reference numbers in the figures mean:

1. a lower die; 11. a cavity; 12. a flow channel; 121. ejecting the rod; 13. a flow channel inlet; 14. a zipper forming groove; 15. a zipper positioning post; 2. an upper die; 21. a liquid inlet; 3. pressing the blocks; 31. obliquely pressing the surface; 4. pressing blocks; 41. positioning a plate; 411. a first screw hole; 42. clamping the strip; 43. a limiting block forming groove; 44. a pressure bearing inclined plane; 5. forming a block; 51. forming a bolt hole forming block; 511. a cloth seam forming groove; 6. a moving block; 61. a card slot; 611. a second screw hole; 62. hanging holes; 7. and (4) pressing the die.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

The utility model provides a novel injection mold for one-step molding of a top stop and a bottom stop of a zipper, which comprises a lower mold 1 and an upper mold 2, wherein the upper mold 1 and the lower mold 1 are pressed to complete the press molding of an injection molding piece, the middle part of the upper mold 2 is provided with an upper pressing block 3 and an upper pressing mold 7, the bottom of the upper pressing block 3 is provided with an inclined pressing surface 31, the surface between the lower mold 1 and the upper mold 2 is provided with a flow channel 12 for flowing of injection liquid, the top of the upper mold 2 is provided with a liquid inlet 21, and the middle part of the flow channel 12 and the bottoms of end heads close to four cavities 11 are respectively provided with an ejector rod 121.

Four cavities 11 are arranged at the end of a flow channel 12, the four cavities are two upper stop forming grooves, a bolt forming groove and a socket forming groove which are respectively used for forming four upper stops and lower stops, the four upper stops and the lower stops comprise two upper stop blocks, a bolt and a socket part, injection liquid in the flow channel 12 respectively flows into the four cavities 11 for forming, 5 ejector rods and forming blocks 5 simultaneously ascend under the action of an ejector device at the bottom of a mold to cut off raw material liquid, so that the four upper stop blocks and the lower stop blocks are simultaneously lifted to be separated from the cavities 11 and conveyed forwards, the injection liquid is continuously conveyed into a next section of zipper, the injection liquid flows into different cavities 11 through the flow channel 12 to perform injection forming of workpieces, a socket mold is arranged at the position, close to one cavity 11, of the top of an upper mold 2, the socket mold consists of a pressing block 4 and a forming block 5, the forming block 5 is used for processing and forming of a socket part at one end of the zipper, the socket part is respectively provided with a bolt limiting block, a bolt hole and a cloth seam, a pressing block 4 is positioned at one side of a forming block 5, one side of the pressing block 4 is integrally formed and connected with a positioning plate 41, the top of the pressing block 4 is provided with a pressure bearing inclined plane 44, one side of the pressing block 4 close to the forming block 5 is provided with a limiting block forming groove 43 for forming a bolt limiting block position structure, the top of the forming block 5 is provided with a bolt hole forming block 51 for forming a bolt hole position structure, one side surface of the bolt hole forming block 51 is provided with a cloth seam forming groove 511 for forming a cloth seam position structure, when the upper pressing block 3 vertically moves downwards, the pressing block 4 can be driven to horizontally move through the action of the inclined pressing surface 31 and the pressure bearing inclined plane 44, the limiting block forming groove 43 is further close to the cloth seam forming groove 511, the damage of connecting cloth caused by the pressing block 4 being deeply inserted can be avoided, and the limiting block forming groove 43 and the cloth seam forming groove 511 are mutually pressed, and then pressing the injection molding raw materials into a mold.

In this embodiment, the bottom of lower mould 1 is provided with movable block 6, and the one end top of movable block 6 is connected with locating plate 41, moves through cylinder drive movable block 6 for movable block 6 can drive pressfitting piece 4 and remove, thereby is convenient for carry out the pressfitting molding.

Specifically, the bottom of the forming block 5 is provided with a return spring, so that the forming block 5 can be conveniently reset after the pressing is completed, and the next pressing and forming operation is convenient.

Furthermore, the width of the positioning plate 41 is smaller than the width of the inner wall of the cavity 11, so that the pressing block 4 can move back and forth in the horizontal direction conveniently.

Further, the outer end of the moving block 6 is provided with a hanging hole 62, which is convenient for an external driving device to pull the moving block 6 back to drive the pressing block 4 to reset.

Furthermore, a runner inlet 13 is formed at the end of the runner 12, so that the injection molding liquid can conveniently enter the runner 12.

Further, zip fastener shaping groove 14 has been seted up to the top both sides of lower mould 1, zip fastener reference column 15 is installed to the middle part one side of zip fastener shaping groove 14 for fix a position the zip fastener, the bar hole has been seted up on the one end surface of zip fastener reference column 15, installs the screw in the bar hole, accessible removes behind the zip fastener reference column 15 rethread screw locking to adjust the position fixed to the zip fastener, avoid plugging up runner import 13 of runner 12.

Example 2

In order to further ensure that the pressing block 4 is stably connected with the moving block 6 and not easy to loosen, the top of one end of the moving block 6 is provided with a clamping groove 61, the bottom of the positioning plate 41 is provided with a clamping strip 42, the clamping strip 42 is in clamping fit with the clamping groove 61, and the moving block 6 can be driven to stably move back and forth when moving.

Furthermore, a first screw hole 411 is formed in the surface of the positioning plate 41, a second screw hole 611 is formed in the bottom surface of the middle portion of the clamping groove 61, and the first screw hole 411 corresponds to the second screw hole 611, so that the pressing block 4 can be conveniently fixed.

When the novel injection mold for one-step molding of the upper stop and the lower stop of the zipper is used, the device is firstly installed on a machine tool, the upper mold 2 and the lower mold 1 are controlled by the machine tool to carry out pressing operation, the lower mold 1 is fixed, the upper mold 2 is controlled to move from top to bottom, then pressing molding of end heads at two ends of the zipper is carried out, two upper stops, a bolt and a socket part are respectively formed through four cavities, after molding, 5 ejector rods and a forming block 5 at the bottom of a runner 12 are lifted up and separated from the cavities 11 simultaneously under the action of an ejector device at the bottom of the mold, raw material is cut off, the four upper and lower stops are lifted up and conveyed forwards, the next section of zipper is continuously conveyed, in the molding of the socket part, an upper pressing block 3 and an upper pressing mold 7 are driven to vertically move downwards by the lower mold 1, when the upper pressing block 3 vertically moves downwards, a pressing block 4 is driven to horizontally move by the action of an inclined pressing surface 31 and a pressure-bearing inclined surface 44, and then be close to stopper shaping groove 43 to cloth seam shaping groove 511, through the vertical pair shaping piece 5 pressure that produces of last moulding-die 7, make it fixed, when stopper shaping groove 43 removed, make stopper shaping groove 43 and the cloth seam shaping groove 511 on the shaping piece 5 pressfitting each other, it is fixed to push down the distance of guaranteeing that pressfitting is fast 5 to remove through last briquetting 3, can not insert the deep damage that causes the connection cloth, accomplish the back with each part pressfitting of socket part, will go up mould 2 rebound again, rethread pulling movable block 6 drives pressfitting piece 4 and returns after the pressfitting is accomplished, reset spring through shaping piece 5 upwards ejecting the resetting of shaping piece 5, thereby be convenient for next pressfitting shaping operation.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel end one shot forming's injection mold about zip fastener, includes lower mould (1) and last mould (2), its characterized in that: an upper pressing block (3) and an upper pressing die (7) are mounted in the middle of the upper die (2), an inclined pressing surface (31) is arranged at the bottom of the upper pressing block (3), a flow channel (12) is formed in the surface between the lower die (1) and the upper die (2), a liquid inlet (21) is formed in the top of the upper die (2), ejector rods (121) are mounted in the middle of the flow channel (12) and at the bottoms of the ends close to the four cavities (11), four cavities (11) are arranged at the ends of the flow channel (12), an insert mold is arranged at the top of the upper die (2) close to one cavity (11) and consists of a pressing block (4) and a forming block (5), the pressing block (4) is located on one side of the forming block (5), a positioning plate (41) is integrally formed on one side of the pressing block (4), and a pressure bearing inclined surface (44) is arranged at the top of the pressing block (4), a limiting block forming groove (43) is formed in one side, close to the forming block (5), of the pressing block (4), a bolt hole forming block (51) is installed at the top of the forming block (5), a cloth seam forming groove (511) is formed in the surface of one side of the bolt hole forming block (51), when the upper pressing block (3) vertically moves downwards, the pressing block (4) can be driven to horizontally move through the action of the inclined pressing surface (31) and the pressure bearing inclined surface (44), and then the limiting block forming groove (43) is close to the cloth seam forming groove (511).

2. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 1, characterized in that: the bottom of the lower die (1) is provided with a moving block (6), and the top of one end of the moving block (6) is connected with a positioning plate (41).

3. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 1, characterized in that: and a return spring is arranged at the bottom of the forming block (5).

4. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 1, characterized in that: the width of the positioning plate (41) is smaller than the width of the inner wall of the cavity (11).

5. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 2, wherein: the outer end of the moving block (6) is provided with a hanging hole (62).

6. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 1, characterized in that: and a runner inlet (13) is formed in the end of the runner (12).

7. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 2, wherein: a clamping groove (61) is formed in the top of one end of the moving block (6), a clamping strip (42) is installed at the bottom of the positioning plate (41), and the clamping strip (42) is in clamping fit with the clamping groove (61).

8. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 7, wherein: first screw hole (411) have been seted up on the surface of locating plate (41), second screw hole (611) have been seted up to the middle part bottom surface of draw-in groove (61), first screw hole (411) correspond with the position of second screw hole (611).

9. The novel injection mold for one-step molding of the upper stop and the lower stop of the zipper according to claim 1, characterized in that: the zipper forming groove (14) is formed in two sides of the top of the lower die (1), a zipper positioning column (15) is installed on one side of the middle of the zipper forming groove (14), a strip-shaped hole is formed in one section of the surface of the zipper positioning column (15), and a screw is installed in the strip-shaped hole.