CN211492724U - Cooling die holder - Google Patents
Cooling die holder Download PDFInfo
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- CN211492724U CN211492724U CN201922228353.8U CN201922228353U CN211492724U CN 211492724 U CN211492724 U CN 211492724U CN 201922228353 U CN201922228353 U CN 201922228353U CN 211492724 U CN211492724 U CN 211492724U
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Abstract
The utility model relates to the technical field of dies, in particular to a cooling die holder, which comprises a first template, a second template, a third template and a fourth template; the first template is provided with a first pin body, the second template is provided with an inserting core and a second pin body, and the second pin body supports against the first pin body in a first through hole of the inserting core; the third template and the fourth template form a second through hole in a surrounding mode, and the inserting core is accommodated in the second through hole; a die cavity is formed by a gap between the first needle body and the first through hole and a gap between the inserting core and the inner hole wall of the second through hole; the first template, the second template, the third template and the fourth template are all provided with a first cooling flow channel; by means of the supporting and fixing effect of the second needle body on the first needle body, the first needle body is prevented from deflecting and skewing due to the impact of the molten material, and the forming yield of the product is improved; and cooling fluid is introduced into the first cooling flow channels of the templates, so that the molten material in the mold cavity is rapidly cooled and solidified, and the molding efficiency of the product is improved.
Description
Technical Field
The utility model relates to the technical field of mold, especially, disclose a cooling die base.
Background
In the manufacturing process of plastic products, in order to improve the production efficiency of the plastic products, the plastic products are often molded by using a hot runner mold, the structures of the plastic products are various, and the structures of the hot runner mold also need to be correspondingly matched with the structures of the plastic products. In the prior art, a plastic product often needs to be formed with a hole body, a hot runner mold is needed to configure a core column of the formed hole body, and when the aperture of the hole body is small, the core column is easily impacted by injected molten plastic to deflect, so that the plastic product is not formed well. In addition, the cooling efficiency of the mold in the prior art is low, and the forming efficiency of the plastic product is also low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a cooling die holder, which prevents the first needle body from deflecting and skewing due to the impact of molten plastic by means of the supporting and fixing action of the second needle body on the first needle body, and improves the forming yield of product articles; and cooling fluid is introduced into the first cooling flow channels of the templates, so that the molten material in the mold cavity is rapidly cooled and solidified, and the molding efficiency of the product is improved.
In order to achieve the above object, the present invention provides a cooling die holder, which comprises a first die plate, a second die plate matched with the first die plate, a third die plate and a fourth die plate arranged between the first die plate and the second die plate; the first template is provided with a first needle body, the second template is provided with an inserting core and a second needle body positioned in the inserting core, the inserting core is provided with a first perforation, the first needle body and the second needle body are respectively inserted into the first perforation from two ends of the first perforation, and the free end of the second needle body supports against the free end of the first needle body; one side of the third template, which is close to the fourth template, is surrounded to form a second through hole, and the inserting core is accommodated in the second through hole; a first gap is formed between the first needle body and the inner hole wall of the first perforation, a second gap is formed between the insertion core and the inner hole wall of the second perforation, and the first gap and the second gap are communicated to form a mold cavity for molding a product object; the first template, the second template, the third template and the fourth template are all provided with a first cooling flow channel.
Wherein, first template includes template spare and can dismantle the mold core spare of being connected with template spare, and template spare has the first shrinkage pool of holding establishing the mould core spare, and first needle body sets up in the mould core spare, and mold core spare is equipped with the notes material hole with the die cavity intercommunication, and first cooling runner is located template spare, and mold core spare has the second cooling runner.
Further, the second template includes plate spare, and plate spare is equipped with the second shrinkage pool that is used for holding establishing the lock pin, and first cooling channel sets up in plate spare, and the lock pin has the third cooling channel.
The third template and the fourth template are arranged in an enclosing mode to form a fourth cooling flow channel, the fourth cooling flow channel comprises two channel bodies and a loop body, the two channel bodies are located on two sides of the second gap respectively, the loop body surrounds the second gap, and the two channel bodies are communicated with the loop body respectively.
Furthermore, the first needle body comprises a body and a positioning column connected with the body, the outer diameter of the body is larger than that of the positioning column, and the second needle body is provided with a positioning hole used for accommodating the positioning column.
The third template is provided with two first clamping blocks which are respectively positioned at two sides of the second through hole, the fourth template is provided with two first clamping grooves which are respectively positioned at two sides of the second through hole, and the two first clamping blocks are respectively arranged in the two first clamping grooves.
Furthermore, the first template is provided with two second clamping blocks which are respectively positioned at two sides of the second through hole, the third template and the fourth template are both provided with second clamping grooves, and the two second clamping blocks are respectively arranged in the second clamping groove of the third template and the second clamping groove of the fourth template.
The second concave hole comprises a first hole body and a second hole body communicated with the first hole body, the aperture of the first hole body is larger than that of the second hole body, the inserting core is provided with a stop part abutting against the bottom wall of the first hole body, and the inserting core penetrates through the second hole body and extends into the second through hole.
Has the advantages that: when the molten material is injected into the die cavity, the first needle body is prevented from deflecting and skewing due to the impact of the molten material by virtue of the jacking and fixing action of the second needle body on the first needle body, and the forming yield of the product is improved; and cooling fluid is introduced into the first cooling flow channels of the templates, so that the molten material in the mold cavity is rapidly cooled and solidified, and the molding efficiency of the product is improved.
Drawings
Fig. 1 is a perspective view of the cooling die holder of the present invention.
Fig. 2 is an exploded view of the cooling die holder of the present invention.
Fig. 3 is a perspective view of the ferrule of the present invention.
Fig. 4 is a partial enlarged view of the third template, the fourth template and the ferrule of the present invention.
Fig. 5 is a perspective view of the first needle body and the second needle body of the present invention.
The reference numerals include:
1-first template 2-second template 3-third template
4-fourth template 5-first needle body 6-inserting core
7-second needle body 8-first perforation 9-second perforation
11-first cooling channel 12-template part 13-core part
14-second cooling channel 15-plate element 16-third cooling channel
17-a road body 18-a circular road body 19-a body
21-positioning column 22-positioning hole 23-first clamping block
24-first slot 25-second slot 26-stop.
Detailed Description
For the convenience of those skilled in the art, the embodiments are not mentioned in any way as limiting the invention.
See 1 to 5, the utility model discloses a cooling die holder, including first template 1, with first template 1 complex second template 2, installation setting third template 3 and fourth template 4 between first template 1 and second template 2, first template 1 sets up from top to bottom along vertical direction with second template 2, and third template 3, fourth template 4 set up about the horizontal direction.
The side where the third template 3 and the fourth template 4 are close to each other is surrounded to form a second through hole 9, the second through hole 9 penetrates through the third template 3 and the fourth template 4 along the vertical direction, and the inserting core 6 is accommodated in the second through hole 9.
The aperture of the first through hole 8 is larger than the outer diameter of the first needle body 5, and a first gap is formed between the outer side surface of the first needle body 5 and the inner hole wall of the first through hole 8; the aperture of the second through hole 9 is larger than the outer diameter of the inserting core 6, a second gap is formed between the outer side surface of the inserting core 6 and the inner hole wall of the second through hole 9, the first gap and the second gap are communicated to form a mold cavity for molding a product object, and the molten material is injected into the mold cavity. The first template 1, the second template 2, the third template 3 and the fourth template 4 are all provided with first cooling flow channels 11, and the first cooling flow channels 11 on each template penetrate through the template.
When the molten material is injected into the die cavity, the first needle body 5 is prevented from deflecting and skewing due to the impact of the molten material by virtue of the supporting and fixing action of the second needle body 7 on the first needle body 5, and the forming yield of the product is improved; the first cooling flow channels 11 of each template are filled with cooling fluid, and the cooling fluid can be cooling water, cooling oil or cooling gas and the like according to actual needs, so that the molten materials in the mold cavity are rapidly cooled and solidified, and the molding efficiency of product objects is improved.
The first template 1 comprises a template part 12 and a mold core part 13 detachably connected with the template part 12, the template part 12 is a substantially rectangular flat plate, the template part 12 is provided with a first concave hole for accommodating the mold core part 13, and the first concave hole penetrates through the template part 12. The first needle 5 is provided on the core piece 13, and the first needle 5 and the core piece 13 are of an integral construction. The core piece 13 is provided with a material injection hole communicated with the mold cavity, and external molten materials are injected into the mold cavity through the material injection hole. The first cooling flow channel 11 is located on the mold plate 12, the mold core 13 has a second cooling flow channel 14, and the cooling fluid in the second cooling flow channel 14 assists in accelerating the cooling and solidifying efficiency of the material in the mold cavity, so as to further improve the molding efficiency of the product.
The second template 2 comprises a plate body 15, the plate body 15 is approximately rectangular, a second concave hole used for accommodating the insertion core 6 is formed in the plate body 15, the second concave hole penetrates through the plate body 15, the first cooling flow channel 11 is arranged on the plate body 15, a third cooling flow channel 16 is arranged on the insertion core 6, cooling fluid in the third cooling flow channel 16 assists in accelerating the cooling and solidifying efficiency of materials in the mold cavity, and the forming efficiency of product objects is assisted in improving.
The third template 3 and the fourth template 4 are surrounded to form a fourth cooling flow channel, the fourth cooling flow channel comprises two strip channel bodies 17 and a ring channel body 18, the two strip channel bodies 17 are respectively located at two sides of the second gap, the ring channel body 18 surrounds the second gap, and the two strip channel bodies 17 are respectively communicated with the ring channel body 18. And cooling gas (such as cooling air or cooling nitrogen) is introduced into the fourth cooling flow channel, the cooling and solidifying efficiency of the material in the die cavity is accelerated by utilizing the cooling gas, and the forming efficiency of the product object is improved in an auxiliary manner. Compared with the fourth cooling channel for introducing cooling water or cooling oil, the cooling water or cooling oil in the fourth cooling channel is prevented from leaking through the gap between the two adjacent templates, so that the inconvenience in use is avoided.
The first needle body 5 comprises a body 19 and a positioning column 21 connected with the body 19, the positioning column 21 is formed by protruding from the end face of the body 19, and the outer diameter of the body 19 is larger than that of the positioning column 21; the second pin body 7 is provided with a positioning hole 22 for accommodating the positioning column 21, and the positioning hole 22 is formed by recessing the end face of the second pin body 7. The positioning post 21 is stopped and limited by the inner hole wall of the positioning hole 22, so as to ensure that the second needle body 7 can stably support the first needle body 5. The positioning column 21 is provided with a tapered portion which is convenient to insert into the positioning hole 22, so that the assembly efficiency of the first needle body 5 and the second needle body 7 is improved.
The main body 19 is conical, and the outer diameter of the main body 19 near the positioning column 21 is smaller than the outer diameter of the main body 19 far from the positioning column 21. After the molten plastic in the mold cavity is cooled and solidified into a product object, the first needle body 5 is separated from the product object conveniently through the structural arrangement of the body 19, and the demolding efficiency of the product object is improved.
The third template 3 is provided with two first clamping blocks 23 respectively positioned at two sides of the second through hole 9, the fourth template 4 is provided with two first clamping grooves 24 respectively positioned at two sides of the second through hole 9, and the two first clamping blocks 23 are respectively arranged in the two first clamping grooves 24. The first clamping block 23 is matched with the first clamping groove 24, so that the third template 3 and the fourth template 4 are rapidly and accurately assembled together, and the mold closing efficiency of the double-channel mold structure is improved.
The first template 1 is provided with two second clamping blocks which are respectively positioned at two sides of the second through hole 9, the third template 3 and the fourth template 4 are both provided with second clamping grooves 25, and the two second clamping blocks are respectively arranged in the second clamping grooves 25 of the third template 3 and the second clamping grooves 25 of the fourth template 4. Through the cooperation of the second clamping block and the second clamping groove 25, the first template 1 is quickly and accurately assembled and matched with the third template 3 and the fourth template 4, the mold closing efficiency of the mold is improved in an auxiliary mode, and the molding efficiency of product objects is improved. In this embodiment, the second mold plate 2 directly presses and abuts against one side of the third mold plate 3 away from the first mold plate 1 and one side of the fourth mold plate 4 away from the first mold plate 1.
The second concave hole comprises a first hole body and a second hole body communicated with the first hole body, the aperture of the first hole body is larger than that of the second hole body, the central axis of the first hole body is superposed with that of the second hole body, the inserting core 6 is provided with a stop part 26 abutting against the bottom wall of the first hole body, and the inserting core 6 penetrates through the second hole body and extends into the second through hole 9.
In the assembling process of the ferrule 6 and the plate member 15, the bottom wall of the first hole is used for stopping the stopping part 26 abutting against the ferrule 6, so that the ferrule 6 is ensured to be quickly and accurately installed on the plate member 15, the assembling efficiency of the ferrule 6 is improved, and the forming efficiency of the product is improved in an auxiliary manner.
The above description is only for the preferred embodiment of the present invention, and the present specification should not be construed as limiting the present invention.
Claims (8)
1. A cooling die holder comprises a first die plate, a second die plate matched with the first die plate, a third die plate and a fourth die plate, wherein the third die plate and the fourth die plate are arranged between the first die plate and the second die plate; the method is characterized in that: the first template is provided with a first needle body, the second template is provided with an inserting core and a second needle body positioned in the inserting core, the inserting core is provided with a first perforation, the first needle body and the second needle body are respectively inserted into the first perforation from two ends of the first perforation, and the free end of the second needle body supports against the free end of the first needle body; one side of the third template, which is close to the fourth template, is surrounded to form a second through hole, and the inserting core is accommodated in the second through hole; a first gap is formed between the first needle body and the inner hole wall of the first perforation, a second gap is formed between the insertion core and the inner hole wall of the second perforation, and the first gap and the second gap are communicated to form a mold cavity for molding a product object; the first template, the second template, the third template and the fourth template are all provided with a first cooling flow channel.
2. The cooling die holder of claim 1 wherein: the first template comprises a template part and a mold core part detachably connected with the template part, the template part is provided with a first concave hole for accommodating the mold core part, the first needle body is arranged on the mold core part, the mold core part is provided with a material injection hole communicated with the mold cavity, the first cooling flow channel is located on the template part, and the mold core part is provided with a second cooling flow channel.
3. The cooling die holder of claim 1 wherein: the second template comprises a plate body, the plate body is provided with a second concave hole used for accommodating the inserting core, the first cooling flow channel is arranged on the plate body, and the inserting core is provided with a third cooling flow channel.
4. The cooling die holder of claim 1 wherein: the third template and the fourth template are arranged in an enclosing mode to form a fourth cooling flow channel, the fourth cooling flow channel comprises a ring channel body surrounding the second gap and two strip channel bodies located on two sides of the second gap respectively, and the two strip channel bodies are communicated with the ring channel body respectively.
5. The cooling die holder of claim 1 wherein: the first needle body comprises a body and a positioning column connected with the body, the outer diameter of the body is larger than that of the positioning column, and the second needle body is provided with a positioning hole used for accommodating the positioning column.
6. The cooling die holder of claim 1 wherein: the third template is provided with two first clamping blocks which are respectively positioned at two sides of the second through hole, the fourth template is provided with two first clamping grooves which are respectively positioned at two sides of the second through hole, and the two first clamping blocks are respectively arranged in the two first clamping grooves.
7. The cooling die holder of claim 1 wherein: the first template is provided with two second clamping blocks which are respectively positioned at two sides of the second through hole, the third template and the fourth template are both provided with second clamping grooves, and the two second clamping blocks are respectively arranged in the second clamping groove of the third template and the second clamping groove of the fourth template.
8. The cooling die holder of claim 3 wherein: the second concave hole comprises a first hole body and a second hole body communicated with the first hole body, the aperture of the first hole body is larger than that of the second hole body, the inserting core is provided with a stop part abutting against the bottom wall of the first hole body, and the inserting core penetrates through the second hole body and extends into the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922228353.8U CN211492724U (en) | 2019-12-13 | 2019-12-13 | Cooling die holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922228353.8U CN211492724U (en) | 2019-12-13 | 2019-12-13 | Cooling die holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211492724U true CN211492724U (en) | 2020-09-15 |
Family
ID=72415402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922228353.8U Active CN211492724U (en) | 2019-12-13 | 2019-12-13 | Cooling die holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211492724U (en) |
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2019
- 2019-12-13 CN CN201922228353.8U patent/CN211492724U/en active Active
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