CN210308794U - Cooling water channel structure of male die of injection mold - Google Patents
Cooling water channel structure of male die of injection mold Download PDFInfo
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- CN210308794U CN210308794U CN201921102023.8U CN201921102023U CN210308794U CN 210308794 U CN210308794 U CN 210308794U CN 201921102023 U CN201921102023 U CN 201921102023U CN 210308794 U CN210308794 U CN 210308794U
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Abstract
The utility model discloses an injection mold punch cooling water channel structure, which comprises a forming female die and a forming male die, wherein the forming female die is provided with a female die forming cavity, the forming male die is provided with a thread core pipe, a driving guide pillar is arranged in the thread core pipe, and the thread core pipe is cut into two small arc pieces and two large arc pieces; a cooling water cavity is arranged in the driving guide pillar and is divided into an upper water cavity and a lower water cavity through a flow guide partition plate, a cooling water outlet is formed in one end, back to the female die forming cavity, of the upper water cavity, and a cooling water inlet is formed in one end, back to the female die forming cavity, of the lower water cavity; and a water inlet channel and a water outlet channel which are respectively communicated with the cooling water inlet and the cooling water outlet are arranged in the forming male die. The utility model provides a pair of injection mold terrace die cooling water channel structure both can accelerate the solidification of the material of moulding plastics to improve production efficiency, need not to force again and take off the screw thread.
Description
Technical Field
The utility model relates to an injection mold technical field, especially an injection mold terrace die cooling water channel structure.
Background
When injection molding is performed on a plastic part with an internal thread structure such as a bottle cap, demolding operation of the threaded part is generally performed in a manner of rotating a threaded core, or demolding operation of the threaded part is performed in a manner of forcibly removing threads; the cooling water channel can be arranged in the threaded core in a forced thread-removing mode, so that the solidification of injection molding materials is accelerated, the production efficiency is improved, workpieces are easy to damage during demolding, and the method is only suitable for some workpieces with high toughness and elasticity; it is difficult to provide cooling channels in the threaded core by rotating the threaded core. Therefore, it is necessary to provide a cooling water channel structure for the male mold of an injection mold to overcome the above disadvantages.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an injection mold terrace die cooling water channel structure, which can accelerate the solidification of injection molding materials, and can improve the production efficiency without forcing to remove threads.
The utility model provides a technical scheme that its technical problem adopted is:
a cooling water channel structure of a male die of an injection die comprises a forming female die and a forming male die, wherein the forming female die is provided with a female die forming cavity, the forming male die is provided with a threaded core tube matched with the female die forming cavity, a driving guide pillar capable of moving along the axial direction is arranged in the threaded core tube, one end, facing the forming female die cavity, of the threaded core tube is cut into two small arc pieces and two large arc pieces, the two small arc pieces are symmetrically arranged and have elasticity close to each other, and the two large arc pieces are also symmetrically arranged and have elasticity close to each other; a cooling water cavity is arranged in the driving guide pillar and is divided into an upper water cavity and a lower water cavity through a flow guide partition plate, an overflowing gap is formed between the flow guide partition plate and the end wall of the cooling water cavity, which faces one end of the female die forming cavity, the upper water cavity and the lower water cavity are communicated through the overflowing gap, a cooling water outlet is formed in one end, back to the female die forming cavity, of the upper water cavity, and a cooling water inlet is formed in one end, back to the female die forming cavity, of the lower water cavity; and a water inlet channel and a water outlet channel which are respectively communicated with the cooling water inlet and the cooling water outlet are arranged in the forming male die.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an injection mold terrace die cooling water course structure adopts the screw core shrink demoulding structure of screw thread core pipe cooperation drive guide pillar to can set up the cooling water course in screw core, the solidification of the material of moulding plastics with higher speed to improve production efficiency, need not to force again and take off the screw thread, thereby can avoid damaging the work piece, and application scope is wide.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the molding female die and the molding male die of the present invention when molding;
FIG. 2 is a schematic structural view of the present invention when the forming female die and the forming male die are separated;
fig. 3 is a schematic structural view of the end of the threaded core tube according to the present invention when being supported by the driving guide post;
fig. 4 is a schematic structural view of the end of the threaded core tube according to the present invention when it is not under stress.
Detailed Description
Referring to fig. 1 to 4, fig. 1 to 4 are schematic structural views of an embodiment of the present invention.
As shown in fig. 1 to 4, a cooling water channel structure of a male die of an injection mold comprises a forming female die 1 and a forming male die 2, wherein the forming female die 1 is provided with a female die forming cavity 3, the forming male die 2 is provided with a threaded core tube matched with the female die forming cavity 3, a driving guide post 4 capable of moving along an axial direction is arranged in the threaded core tube, one end of the threaded core tube, facing the female die forming cavity 3, is cut into two small arc pieces 5 and two large arc pieces 6, the two small arc pieces 5 are symmetrically arranged and have elasticity close to each other, and the two large arc pieces 6 are also symmetrically arranged and have elasticity close to each other; a cooling water cavity is arranged in the driving guide column 4 and is divided into an upper water cavity 8 and a lower water cavity 9 by a flow guide partition plate 7, an overflowing gap 10 is arranged between the flow guide partition plate 7 and the end wall of the cooling water cavity, which faces one end of the female die forming cavity 3, the upper water cavity 8 and the lower water cavity 9 are communicated through the overflowing gap 10, a cooling water outlet 11 is arranged at one end of the upper water cavity 8, which faces away from the female die forming cavity 3, and a cooling water inlet 12 is arranged at one end of the lower water cavity 9, which faces away from the female die forming cavity 3; the forming male die 2 is provided with a water inlet channel 13 and a water outlet channel 14 which are respectively communicated with the cooling water inlet 12 and the cooling water outlet 11.
Specifically, the inner side of one side edge of each large arc piece 6, which is used for connecting the small arc pieces 5, is provided with a contraction cut inclined plane 15; and one end of the threaded core tube, which faces the female die forming cavity 3, is in an unstressed state, and the two small arc pieces 5 are positioned between the two large arc pieces 6. The cooling water cavity dorsad the one end of die one-tenth die cavity 3 is open structure, and the open end in cooling water cavity is provided with water cavity end cap 22, baffle 7 fixed set up in the end of water cavity end cap 22.
During injection molding, the driving guide post 4 moves towards the female die forming cavity 3 to prop up the threaded core tube towards one end of the female die forming cavity 3, as shown in fig. 3, so as to form a complete threaded core; after the injection molding is completed, the driving guide post 4 is withdrawn from the threaded core tube, and the threaded core tube is contracted towards one end of the female die forming cavity 3, as shown in fig. 4, so that the internal thread part is conveniently demoulded. The contraction cut slope 15 can make the contraction and the expansion of the two small arc sheets 5 smoother.
Furthermore, a small inner diameter through hole is formed in one side, facing the female die forming cavity 3, of the forming male die 2, a large inner diameter screw hole is formed in the other side of the forming male die 2, the small inner diameter through hole is communicated with the large inner diameter screw hole, the axis of the small inner diameter through hole is collinear with that of the large inner diameter screw hole, one end of the threaded core tube penetrates through the small inner diameter through hole, the other end of the threaded core tube is located in the large inner diameter screw hole and is provided with an annular limiting bulge 16, and a hollow stud 17 used for fixing the annular limiting bulge 16 is further arranged; the water inlet channel 13 and the water outlet channel 14 are both arranged in the hollow stud 17. One end of the driving guide post 4 penetrates through the hollow stud 17 to be located in the threaded core tube, and an annular driving protrusion 18 is arranged on the outer side of the other end of the driving guide post 4. The cooling water outlet 11 and the cooling water inlet 12 are both arranged along the radial direction of the driving guide post 4, two L-shaped sliders 19 for respectively plugging the cooling water outlet 11 and the cooling water inlet 12 are arranged on the side surface of the driving guide post 4, one end of each L-shaped slider 19, which is back to the female die forming cavity 3, is respectively positioned in a plugging sliding groove 20, and a slider spring 21 is arranged between each L-shaped slider 19 and the end wall of the corresponding plugging sliding groove 20.
When the annular driving protrusion 18 of the driving guide post 4 is attached to the hollow stud 17 and drives the forming punch 2 to press the forming die 1, the L-shaped slider 19 compresses the slider spring 21 and displaces relative to the cooling water outlet 11 and the cooling water inlet 12 under the extrusion of the hollow stud 17, so as to remove the blockage of the cooling water outlet 11 and the cooling water inlet 12, meanwhile, the cooling water outlet 11 and the cooling water inlet 12 are respectively communicated with the water outlet channel 14 and the water inlet channel 13, cooling water flows through the cooling water cavity, and an injection molding material can be cooled during injection molding; when the driving guide post 4 is separated from the hollow stud 17, the water outlet channel 14 and the water inlet channel 13 are blocked by the driving guide post 4, and the cooling water outlet 11 and the cooling water inlet 12 are blocked by the L-shaped slider 19.
The above description specifically describes the preferred embodiments of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides an injection mold terrace die cooling water course structure which characterized in that: the forming die comprises a forming female die (1) and a forming male die (2), wherein the forming female die (1) is provided with a female die forming cavity (3), the forming male die (2) is provided with a threaded core tube matched with the female die forming cavity (3), a driving guide pillar (4) capable of moving along the axial direction is arranged in the threaded core tube, one end, facing the female die forming cavity (3), of the threaded core tube is cut into two small arc pieces (5) and two large arc pieces (6), the two small arc pieces (5) are symmetrically arranged and have elasticity close to each other, and the two large arc pieces (6) are also symmetrically arranged and have elasticity close to each other; a cooling water cavity is arranged in the driving guide column (4), the cooling water cavity is divided into an upper water cavity (8) and a lower water cavity (9) through a flow guide partition plate (7), an overflowing gap (10) is formed between the flow guide partition plate (7) and the end wall of the cooling water cavity, which faces one end of the female die forming cavity (3), the upper water cavity (8) is communicated with the lower water cavity (9) through the overflowing gap (10), a cooling water outlet (11) is formed in one end, which faces away from the female die forming cavity (3), of the upper water cavity (8), and a cooling water inlet (12) is formed in one end, which faces away from the female die forming cavity (3), of the lower water cavity (9); and a water inlet channel (13) and a water outlet channel (14) which are respectively communicated with the cooling water inlet (12) and the cooling water outlet (11) are arranged in the forming convex die (2).
2. The injection mold punch cooling water channel structure as claimed in claim 1, wherein: the inner side of the edge of one side of each large arc piece (6) used for connecting the small arc piece (5) is provided with a contraction cut inclined plane (15); and one end of the threaded core pipe, which faces the female die forming cavity (3), is in an unstressed state, and the two small arc sheets (5) are positioned between the two large arc sheets (6).
3. The injection mold punch cooling water channel structure as claimed in claim 1, wherein: one side, facing the female die forming cavity (3), of the forming male die (2) is provided with a small inner diameter through hole, the other side of the forming male die (2) is provided with a large inner diameter screw hole, the small inner diameter through hole is communicated with the large inner diameter screw hole, the axis of the small inner diameter through hole is collinear, one end of the threaded core tube penetrates through the small inner diameter through hole, the other end of the threaded core tube is located in the large inner diameter screw hole and is provided with an annular limiting bulge (16), and a hollow stud (17) used for fixing the annular limiting bulge (16) is further arranged in the large inner diameter screw hole; the water inlet channel (13) and the water outlet channel (14) are both arranged in the hollow stud (17).
4. The injection mold punch cooling water channel structure as claimed in claim 3, wherein: one end of the driving guide post (4) penetrates through the hollow stud (17) to be located in the threaded core tube, and an annular driving bulge (18) is arranged on the outer side of the other end of the driving guide post (4).
5. The injection mold punch cooling water channel structure as claimed in claim 4, wherein: the cooling water outlet (11) and the cooling water inlet (12) are arranged along the radial direction of the driving guide column (4), two L-shaped sliding blocks (19) which are respectively used for plugging the cooling water outlet (11) and the cooling water inlet (12) are arranged on the side face of the driving guide column (4), one end, back to the female die forming cavity (3), of each L-shaped sliding block (19) is respectively located in one plugging sliding groove (20), and a sliding block spring (21) is arranged between each L-shaped sliding block (19) and the end wall, corresponding to the L-shaped sliding block (19), of each plugging sliding groove (20).
6. The injection mold punch cooling water channel structure as claimed in claim 1, wherein: the cooling water cavity dorsad the one end in die one-tenth die cavity (3) is open structure, and the open end in cooling water cavity is provided with water cavity end cap (22), water conservancy diversion baffle (7) fixed set up in the end of water cavity end cap (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102023.8U CN210308794U (en) | 2019-07-15 | 2019-07-15 | Cooling water channel structure of male die of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102023.8U CN210308794U (en) | 2019-07-15 | 2019-07-15 | Cooling water channel structure of male die of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210308794U true CN210308794U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921102023.8U Active CN210308794U (en) | 2019-07-15 | 2019-07-15 | Cooling water channel structure of male die of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210308794U (en) |
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2019
- 2019-07-15 CN CN201921102023.8U patent/CN210308794U/en active Active
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