CN210651712U - Rotary core-pulling and demolding mold structure - Google Patents
Rotary core-pulling and demolding mold structure Download PDFInfo
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- CN210651712U CN210651712U CN201921162156.4U CN201921162156U CN210651712U CN 210651712 U CN210651712 U CN 210651712U CN 201921162156 U CN201921162156 U CN 201921162156U CN 210651712 U CN210651712 U CN 210651712U
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Abstract
The utility model relates to a rotatory mould structure of drawing of core drawing of patterns for be equipped with the product in internal thread hole, including last mould assembly and lower mould assembly, go up mould assembly and last mould assembly and mutually support and form the cavity, it is further including horizontal mechanism of loosing core and the mechanism of vertically loosing core, vertically loose core the mechanism and locate between fixed plate and the cope match-plate pattern, transversely loose core the mechanism and locate between cope match-plate pattern and the lower bolster, transversely loose core the mechanism and vertically loose core the mechanism and be equipped with the screw core respectively, during the die sinking, transversely loose core the mechanism and vertically loose core the mechanism and drive the rotation of screw core and break away from the cavity. The mold core used for forming the internal thread hole on the product can be taken out in a rotating mode through the longitudinal core pulling mechanism and the transverse core pulling mechanism, the mold core is convenient to separate from the plastic product, the ejector pin can directly eject the plastic product in demolding, the plastic product can be directly injected on the inner surface to form an internal thread, subsequent steps are not needed to be processed, production efficiency is improved, and production steps are reduced.
Description
Technical Field
The utility model belongs to the technical field of the mould technique and specifically relates to a rotatory mould structure of drawing of core drawing of patterns.
Background
In an injection mold, based on the effect of a product, threads are arranged on the product, and in order to ensure that the product can be smoothly demolded, a plurality of side core-pulling mechanisms and inclined top demolding mechanisms are often arranged in the mold, wherein the side core-pulling mechanisms aim at demolding of the outer surface of the product, and the inclined top demolding mechanisms aim at demolding of the inner surface. For products with internal thread characteristics, rotary demolding is required, but the existing gear rack demolding mechanisms are all used for vertical thread demolding and are not suitable for products with a plurality of internal thread holes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatory mould structure of drawing of core drawing of patterns, it can solve above-mentioned problem, can loose core.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rotatory mould structure of drawing core drawing of patterns for be equipped with the product of internal thread hole, including last mould subassembly and lower mould subassembly, go up the mould subassembly with go up the mould subassembly and mutually support and form the cavity, it is including an upper fixed plate and cope match-plate pattern to go up the mould subassembly, lower mould subassembly is including the lower bolster, an upper fixed plate with the cope match-plate pattern sets firmly, the lower bolster is located the downside of cope match-plate pattern, it further includes horizontal mechanism of loosing core and vertical mechanism of loosing core, vertical mechanism of loosing core is located an upper fixed plate with between the cope match-plate pattern, horizontal mechanism of loosing core is located the cope match-plate pattern with between the lower bolster, horizontal mechanism of loosing core with vertical mechanism of loosing core is equipped with the screw core respectively, during the die sinking, horizontal mechanism of loosing core with vertical mechanism of loosing core drives the screw core is rotatory to break away from.
Preferably, the longitudinal core pulling mechanism comprises a first rack, a first transmission gear, a first core pulling assembly and an air cylinder for driving the first rack to move, and the first rack and the first core pulling assembly are respectively meshed with the first transmission gear.
Preferably, first drive gear is including the pinion structure and the gear wheel structure of coaxial setting, the pinion structure with gear wheel structure integrated into one piece, the pinion structure with first rack toothing, the gear wheel structure with first subassembly meshing of loosing core.
Preferably, the first core pulling assembly comprises a rotating gear, the threaded core is fixedly arranged with the rotating gear, and the rotating gear is meshed with the large gear structure.
Preferably, the first core pulling assembly further comprises an accommodating block, the accommodating block is provided with a threaded hole, threads are arranged on the outer surface of the threaded core, and the threaded core is meshed with the accommodating block and penetrates through the accommodating block.
Preferably, the first core pulling assembly further comprises a guide block, and the threaded core is arranged in the guide block in a penetrating mode.
Preferably, the longitudinal core pulling mechanism further comprises an anti-falling stop block, the anti-falling stop block is fixed on the upper template, and the first rack is arranged in the anti-falling stop block in a penetrating mode.
Preferably, the longitudinal core pulling mechanism comprises an air cylinder fixing seat, the air cylinder fixing seat is fixedly arranged on the upper template, and the air cylinder is fixed on the air cylinder fixing seat.
Preferably, the transverse core pulling mechanism comprises a second rack, a second transmission gear and a second core pulling assembly, the second rack is fixed with the upper template, and the second transmission gear is respectively meshed with the second rack and the second core pulling assembly.
Preferably, the transverse core pulling mechanism further comprises a rotary seat, the rotary seat is fixed on the lower template, and the second transmission gear is rotatably arranged on the rotary seat.
The beneficial effects of the utility model reside in that: this rotatory mould structure of drawing core drawing of patterns can be used for forming the core rotation of internal thread hole on the product through vertically loosing core the structure and transversely loosing core and take out, and the core of being convenient for breaks away from with the plastic product, and the thimble can directly be ejecting with the plastic product during messenger's drawing of patterns, makes the plastic product can directly mould plastics at the inner surface and forms the internal thread, need not follow-up step and processes again, improves production efficiency, reduces production steps.
Drawings
Fig. 1 is a schematic structural view of a mold structure according to the present invention;
fig. 2 is an exploded view of the mold structure according to the present invention;
FIG. 3 is a schematic structural view of a longitudinal core-pulling mechanism;
fig. 4 is a schematic structural diagram of a transverse core pulling structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a mould structure of rotatory drawing core drawing of core drawing, including last mould assembly and lower mould assembly, it forms the cavity with last mould assembly mutually supports to go up the mould assembly, the injection molding machine forms the plastics product to moulding plastics in the cavity, go up the mould assembly including an upper fixed plate 3 and cope match-plate pattern 4, lower mould assembly includes lower bolster 5, the mould foot 6, thimble board 7, push pedal 8 and bottom plate 9, lower bolster 5 sets firmly with bottom plate 9 through the mould foot 6, bottom plate 9 sets firmly on the injection molding machine, push pedal 8 is located thimble board 7's lower extreme, push pedal 8 and thimble board 7 can remove between lower bolster 5 and bottom plate 9, be equipped with the thimble on the thimble board 7, the injection molding machine promotes push pedal 8 and thimble board 7 and removes, during the branch mould, go up mould assembly and lower mould assembly separation, the injection molding machine promotes push pedal 8 and thimble board 7 and removes and drives:
the utility model relates to a rotatory mould structure of drawing core drawing of patterns further including horizontal mechanism 2 and the vertical mechanism 1 of drawing core of loosing core, vertically the mechanism 1 of drawing core locates between upper fixed plate 3 and the cope match-plate pattern 4, and horizontal mechanism 2 of drawing core locates between cope match-plate pattern 4 and the lower bolster 5, and during the die sinking, horizontal mechanism 2 of drawing core and the vertical rotation of mechanism 1 of drawing core break away from the cavity.
The longitudinal core pulling mechanism 1 comprises a first rack 11, a first transmission gear 12, a first core pulling assembly 13, a cylinder 14, a cylinder fixing seat 15 and an anti-falling stop block 16, the cylinder 14 drives the first rack 11 to move, the cylinder fixing seat 15 is fixedly arranged on the upper die plate 3, the first rack 11 and the first core pulling assembly 13 which are fixed on the cylinder fixing seat 15 are respectively meshed with the first transmission gear 12, the cylinder 14 drives the first rack 11 to push the first transmission gear 12 to rotate so as to drive the first core pulling assembly 13 to rotate, the first core pulling assembly 13 is made to rotate to be separated from a plastic product, the anti-falling stop block 16 is fixed on the upper die plate 4, the first rack 11 penetrates into the anti-falling stop block 16, and bending of the first rack 11 caused by uneven stress of the first rack 11 is avoided. First drive gear 12 is including pinion structure 122 and the gear wheel structure 121 of coaxial setting, pinion structure 122 and gear wheel structure 121 integrated into one piece, make pinion structure 122 and gear wheel structure 121 rotate in step, pinion structure 122 meshes with first rack 11, gear wheel structure 121 and the first subassembly 13 of loosing core mesh, guarantee that first rack 11 transmits power to first subassembly 13 of loosing core through first drive gear 12, make the rotatory plastics product that breaks away from of first subassembly 13 of loosing core.
The first core pulling assembly 13 includes a threaded core 131, a rotating gear 132, a guide block 133 and an accommodating block 134, the rotating gear 132 is fixedly disposed in the middle of the threaded core 131, and the rotating gear 132 is fixed on the rotating gear 132 and meshed with the large gear structure 121. One end of the threaded core 131 is provided with a first thread for forming a spiral line on a plastic product, the threaded core 131 penetrates through the guide block 133, the friction force between the threaded core 131 and the upper template 4 is reduced, the service life of the threaded core 131 is prolonged, the threaded core 131 is protected at the same time, the threaded core 131 is prevented from being bent due to uneven stress in the process of disengaging the threaded core 131 from the plastic product, the accommodating block 134 is provided with a threaded hole, the other end of the threaded core 131 is provided with a second thread, the threaded core 131 is meshed with the accommodating block 134 and penetrates through the accommodating block 134, when the threaded core 131 disengages from the plastic product through rotation, the threaded core 131 can penetrate through the accommodating block 134, and interference of other parts by the threaded core 131 is avoided.
The transverse core pulling mechanisms 2 are provided with two groups, each transverse core pulling mechanism 2 comprises a second rack 21, a second transmission gear 22, a second core pulling component 23 and a rotating seat 24, each second rack 21 is fixed with the upper template 4, the structural size of each second core pulling component 23 is the same as that of each first core pulling component 13, each second transmission gear 22 is meshed with the corresponding second rack 21 and the corresponding second core pulling component 23 respectively, each rotating seat 24 is fixed on the corresponding lower template 5, each rotating seat 24 is provided with two groups, each second transmission gear 22 is rotatably arranged between the corresponding two groups of rotating seats 24, and during mold splitting, the upper template 4 moves to drive the corresponding second rack 21 to push the corresponding second core pulling transmission gear 22 to rotate to drive the corresponding second core pulling component 23 to rotate, so that the corresponding second core pulling component 23 is rotated to be.
When the mold is demolded, the air cylinder 14 drives the first rack 11 to move, so that the first rack 11 pushes the first transmission gear 12 to rotate to drive the first core-pulling assembly 13 to rotate, and the first core-pulling assembly 13 rotates to be separated from the plastic product; the upper die assembly is separated from the lower die assembly, the second rack 21 moves to drive the second transmission gear 22 to rotate so as to enable the second core pulling assembly 23 to rotate, and the second core pulling assembly 23 is enabled to rotate to be separated from the plastic product; the injection molding machine pushes the push plate 8 and the ejector plate 7 to move, so that the ejector pins eject plastic products.
The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (10)
1. A rotary core-pulling and demoulding mold structure is used for a product with an internal threaded hole and comprises an upper mold component and a lower mold component, wherein the upper mold component and the upper mold component are matched with each other to form a cavity, the upper mold component comprises an upper fixing plate (3) and an upper mold plate (4), the lower mold component comprises a lower mold plate (5), the upper fixing plate (3) and the upper mold plate (4) are fixedly arranged, the lower mold plate (5) is positioned at the lower side of the upper mold plate (4), the rotary core-pulling and demoulding mold structure is characterized by further comprising a transverse core-pulling mechanism (2) and a longitudinal core-pulling mechanism (1), the longitudinal core-pulling mechanism (1) is arranged between the upper fixing plate (3) and the upper mold plate (4), the transverse core-pulling mechanism (2) is arranged between the upper mold plate (4) and the lower mold plate (5), and threads are respectively arranged on the transverse core-pulling mechanism (2) and the longitudinal core-pulling mechanism (1), and when the mold is opened, the transverse core-pulling mechanism (2) and the longitudinal core-pulling mechanism (1) drive the threaded mold core to rotate to separate from the cavity.
2. The mold structure for rotary core-pulling demolding according to claim 1, wherein the longitudinal core-pulling mechanism (1) comprises a first rack (11), a first transmission gear (12), a first core-pulling assembly (13) and a cylinder (14) for driving the first rack (11) to move, and the first rack (11) and the first core-pulling assembly (13) are respectively meshed with the first transmission gear (12).
3. The mold structure for rotary core-pulling demolding according to claim 2, wherein the first transmission gear (12) comprises a small gear structure (122) and a large gear structure (121) which are coaxially arranged, the small gear structure (122) and the large gear structure (121) are integrally formed, the small gear structure (122) is meshed with the first rack (11), and the large gear structure (121) is meshed with the first core-pulling assembly (13).
4. The rotary core-pulling and demolding mold structure according to claim 3, wherein the first core-pulling assembly (13) comprises a rotating gear (132), the threaded core is fixedly arranged with the rotating gear (132), and the rotating gear (132) is meshed with the large gear structure (121).
5. The rotary core-pulling and demolding mold structure according to claim 4, wherein the first core-pulling assembly (13) further comprises a receiving block (134), the receiving block (134) is provided with a threaded hole, the outer surface of the threaded core is provided with threads, and the threaded core is engaged with the receiving block (134) and penetrates through the receiving block (134).
6. The rotary core-pulling demolding mold structure according to claim 4 or 5, wherein the first core-pulling assembly (13) further comprises a guide block (133), and the threaded core (131) is inserted into the guide block (133).
7. The rotary core-pulling and demolding mold structure according to any one of claims 2 to 4, wherein the longitudinal core-pulling mechanism (1) further comprises a retaining stop (16), the retaining stop (16) is fixed on the upper mold plate (4), and the first rack (11) is penetrated in the retaining stop (16).
8. The mold structure for rotary core pulling and demolding according to claim 7, wherein the longitudinal core pulling mechanism (1) comprises a cylinder fixing seat (15), the cylinder fixing seat (15) is fixedly arranged on the upper mold plate (4), and the cylinder (14) is fixed on the cylinder fixing seat (15).
9. The mold structure for rotary core pulling and demolding according to claim 7, wherein the transverse core pulling mechanism (2) comprises a second rack (21), a second transmission gear (22) and a second core pulling assembly (23), the second rack (21) is fixed with the upper mold plate (4), and the second transmission gear (22) is respectively meshed with the second rack (21) and the second core pulling assembly (23).
10. The mold structure for rotary core-pulling and demolding according to claim 9, wherein the transverse core-pulling mechanism (2) further comprises a rotary seat (24), the rotary seat (24) is fixed on the lower template (5), and the second transmission gear (22) is rotatably disposed on the rotary seat (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162156.4U CN210651712U (en) | 2019-07-23 | 2019-07-23 | Rotary core-pulling and demolding mold structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162156.4U CN210651712U (en) | 2019-07-23 | 2019-07-23 | Rotary core-pulling and demolding mold structure |
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| CN210651712U true CN210651712U (en) | 2020-06-02 |
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| CN201921162156.4U Active CN210651712U (en) | 2019-07-23 | 2019-07-23 | Rotary core-pulling and demolding mold structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001892A (en) * | 2021-02-09 | 2021-06-22 | 莱克电气股份有限公司 | Injection mold and manufacturing method of rotating body |
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2019
- 2019-07-23 CN CN201921162156.4U patent/CN210651712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001892A (en) * | 2021-02-09 | 2021-06-22 | 莱克电气股份有限公司 | Injection mold and manufacturing method of rotating body |
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