CN219947125U - Mould structure of quick replacement mold insert - Google Patents
Mould structure of quick replacement mold insert Download PDFInfo
- Publication number
- CN219947125U CN219947125U CN202320272544.8U CN202320272544U CN219947125U CN 219947125 U CN219947125 U CN 219947125U CN 202320272544 U CN202320272544 U CN 202320272544U CN 219947125 U CN219947125 U CN 219947125U
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- core
- insert
- connecting block
- side wall
- mold
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- 238000007493 shaping process Methods 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 16
- 238000004513 sizing Methods 0.000 description 15
- 238000000465 moulding Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die structure for quickly replacing inserts, which relates to the field of injection dies and comprises a die core and side wall forming inserts, wherein the die core is provided with at least one die core, each side wall of the die core is provided with the side wall forming insert in a fitting way, the surface of the side wall forming insert, which is close to the die core, is provided with a first forming groove for forming the side wall of a product, the side wall of the die core is provided with a second forming groove which is opposite to the first forming groove, the surface, far away from the die core, of each side wall forming insert is connected with a connecting block, and the connecting block is detachably arranged on the die core. The broken side wall forming insert can be maintained on the machine table without detaching the die core, and the side wall forming insert can be replaced after the connecting block is directly detached, so that a lower die is not needed, and the die repairing period is shortened. The insert is simple to process, can be prepared in advance, reduces the die matching difficulty and is easy to assemble.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a mold structure capable of quickly replacing inserts.
Background
Due to the trend of miniaturization and portability of consumer electronic devices such as mobile phones and wearable devices, the related plastic parts are designed to be thinner and thinner. The thinning has the advantages of reducing the weight and the outline dimension of the product, facilitating the integrated design and assembly, shortening the production period, saving materials, reducing the cost and the like, and becomes a pursuit target in the plastic consumption industry, and a new research hot spot in the plastic molding industry. Insert molding is often used to mold thin wall parts on a product. When producing similar products of different wall thickness, it is often necessary to replace the insert of the mold insert. And because the wall thickness is thinner, the insert volume is smaller and thinner, and the risk of fracture phenomenon of the insert exists during production. When the insert needs to be replaced, the insert cannot be directly replaced on the machine table, the lower die is required to be maintained, the die matching workload is large, and the die repairing exchange period is increased intangibly. And the machining inserts need to be subjected to working procedures such as wire cutting, CNC (computerized numerical control), machining, discharging and the like, so that the machining workload is large, and the working procedures are multiple.
Disclosure of Invention
The utility model aims to provide a die structure for quickly replacing an insert, so as to solve the problems in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a quick replacement mold insert's mould structure, includes mould benevolence and lateral wall shaping mold insert, the mould benevolence is equipped with at least one core, every the equal laminating of core lateral wall is equipped with the lateral wall shaping mold insert, the surface that the lateral wall shaping mold insert is close to the core is equipped with the first shaping groove that is used for shaping the product lateral wall, the core lateral wall is equipped with the second shaping groove that sets up relatively with first shaping groove, each the surface connection that the core was kept away from to the lateral wall shaping mold insert has the connecting block, the connecting block can be dismantled and set up in the mould benevolence. The side wall molding insert is connected to one end of the connecting block, which is close to the core. The connecting block is detachably arranged on the die core, and the side wall forming insert and the connecting block can be replaced only by detaching the connecting block. The broken insert can be directly maintained on the machine table, the insert can be replaced after the connecting block is directly disassembled, the die core is not required to be disassembled, the lower die is not required, and the die repairing period is shortened. And the side wall forming insert has small processing amount and simple processing, can be prepared in advance, and further shortens the replacement time of the insert.
Further, the surface of the side wall forming insert far away from the core is detachably connected or integrally formed with the connecting block. Preferably, when the side wall forming insert extends along a straight line, the surface of the side wall forming insert away from the core is detachably connected with the connecting block; when the side wall forming insert extends along the arc curve, the surface of the side wall forming insert, which is far away from the core, is integrally connected with the connecting block. The connecting block is detachably arranged on the die core; when the side wall forming insert and the connecting block are integrally formed, the side wall forming insert and the connecting block can be replaced at the same time only by detaching the connecting block; when the side wall forming insert is detachably connected with the connecting block, the side wall forming insert can be independently replaced or the connecting block can be independently replaced after the connecting block is detached, and the side wall forming insert and the connecting block can be simultaneously replaced. The flexibility is further improved, so that the side wall forming insert can be selectively replaced according to different wall thicknesses of products to be produced, the die changing cost is saved, and the labor intensity is reduced.
Further, at least one connecting block on one side of each core is provided with a first runner, at least one side wall forming insert on one side of each core is provided with a second runner, the first runners are communicated with the second runners in one-to-one correspondence, and the mold core is provided with a main runner communicated with the first runners.
Further, the surface of the side wall forming insert far away from the core is convexly provided with a clamped part, and the clamped part is clamped between the die core and the connecting block. The clamped part is clamped between the die core and the connecting block, and the connecting block is used for applying acting force to the clamped part to enable the clamped part to be detachably arranged on the die core.
Further, a positioning groove which is matched with the clamped part in a clearance way is formed in one end of the bottom surface of the connecting block, which is close to the core, or the surface of the die core. The positioning groove is used for accommodating the clamped part, and the clamped part is positioned through the positioning groove. The connecting block is used for applying acting force to the clamped part to enable the clamped part to be detachably arranged on the die core.
Further, the die core is provided with a first groove in clearance fit with the connecting block, and the cross section of the first groove and the cross section of the connecting block are gradually reduced along the die opening direction. The connecting block is big-end-up, and clearance fit of first recess and connecting block is convenient for assemble the connecting block, prevents that the product from drapeing the burr.
Further, the first groove is inclined away from the inner wall of the mold core, the first groove is in an inverted right trapezoid shape, and an included angle formed by the inner wall of the first groove away from the mold core and the mold closing direction is 1-5 degrees. The connecting block is big-end-up, and clearance fit of first recess and connecting block is convenient for assemble the connecting block, prevents that the product from drapeing the burr.
Further, the first flow channel comprises an input section and an output section which are communicated, two ends of the output section are respectively communicated with the input section and the second flow channel, the input section is arranged on the surface of the connecting block, which is far away from the die core, and the extending direction of the output section is obliquely arranged. Preferably, the extending direction of the output section is oblique to the die closing direction of the die core. The end of the second flow channel is an output section which is obliquely arranged, so that the flowing resistance of the molten sizing material at the end of the second flow channel is reduced, and the flowing resistance of the molten sizing material at the end of the second flow channel smoothly enters the second flow channel.
Further, a stop block is arranged in the output section, the upper end of the stop block is arranged below the circle center of the output section, and inclined planes are arranged at two ends of the stop block. The input section is used for injecting molten sizing material into the output section. The molten sizing material can be blocked by the stop block when flowing in the input section, and finally the molten sizing material overflows to the other side of the stop block, and the flow speed of the molten sizing material entering the input section is controlled by the stop block.
Further, one end of the output section, which is far away from the input section, is connected with a glue inlet channel, and the glue inlet channel is arranged on one side of the stop block, which is far away from the input section. The glue inlet channel is used for injecting molten glue into the input section, and the input section is used for injecting molten glue into the output section. And molten sizing material is injected into the input section through the sizing material inlet channel and the main flow channel at the same time, so that the speed of loading the molten sizing material into the input section is improved.
The beneficial effects of the utility model are as follows:
1. the side wall forming insert can be processed independently, the processing amount is reduced, and CNC, a grinding machine and electric discharge are only needed for processing the working hole. The time of line cutting is saved.
2. The broken side wall forming insert can be maintained on the machine table without detaching the die core, and the side wall forming insert can be replaced after the connecting block is directly detached, so that a lower die is not needed, and the die repairing period is shortened.
3. The insert is simple to process, can be prepared in advance, reduces the die matching difficulty and is easy to assemble.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
FIG. 1 is a schematic diagram of a structure according to an embodiment of the present utility model;
FIG. 2 is a top view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view A-A of an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of B-B provided by an embodiment of the present utility model;
fig. 5 is an enlarged view of a portion C according to an embodiment of the present utility model.
Reference numerals: the mold comprises a mold core 1, a mold core 2, a side wall molding insert 3, a connecting block 4, a first runner 5 and a stop block 6.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It is noted that in the present utility model, where an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. Terms of orientation such as "up, down, left, right" are used generally to refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to inner and outer on a particular contour. "distal" and "proximal" refer to both distal and proximal relative to a component.
As shown in fig. 1-5, a mold structure for quick insert replacement according to an embodiment of the present utility model includes a mold core 1 and side wall molding inserts 3, the mold core 1 is provided with at least one mold core 2, each mold core 2 has a side wall molding insert 3 attached thereto, a surface of the side wall molding insert 3 adjacent to the mold core 2 is provided with a first molding groove for molding a side wall of a product, the side wall of the mold core 2 is provided with a second molding groove opposite to the first molding groove, a surface of each side wall molding insert 3 far from the mold core 2 is connected with a connection block 4, and the connection block 4 is detachably disposed on the mold core 1. The sidewall forming insert 3 is connected to one end of the connection block 4 near the core 2. The connecting block 4 is detachably arranged on the die core 1, and the side wall forming insert 3 and the connecting block 4 can be replaced only by detaching the connecting block 4. The broken insert can be directly maintained on the machine table, the insert can be replaced after the connecting block 4 is directly disassembled, the die core 1 does not need to be disassembled, a lower die is not needed, and the die repairing period is shortened. And the side wall forming insert 3 has small processing amount and simple processing, can be prepared in advance, and further shortens the replacement time of the insert.
The surface of the side wall forming insert 3 far away from the core 2 is detachably connected or integrally connected with the connecting block 4. When the side wall forming insert 3 extends along a straight line, the surface of the side wall forming insert 3 far away from the core 2 is detachably connected with the connecting block 4; when the side wall forming insert 3 extends along an arc curve, the surface of the side wall forming insert 3 far away from the core 2 is integrally connected with the connecting block 4. In this embodiment, the side wall molding insert 3 of the corner portion of the product is integrally connected with the connection block 4.
The connecting block 4 is detachably arranged on the die core 1; when the side wall forming insert 3 and the connecting block 4 are integrally formed, the side wall forming insert 3 and the connecting block 4 can be replaced at the same time only by detaching the connecting block 4; when the side wall forming insert 3 is detachably connected with the connecting block 4, the side wall forming insert 3 can be independently replaced or the connecting block 4 can be independently replaced after the connecting block 4 is detached, and the side wall forming insert 3 and the connecting block 4 can be simultaneously replaced. The flexibility is further improved, so that the side wall forming insert 3 can be selectively replaced according to different wall thicknesses of products to be produced, the die changing cost is saved, and the labor intensity is reduced.
At least one connecting block 4 on one side of each core 2 is provided with a first runner 5, at least one side wall forming insert 3 on one side of each core 2 is provided with a second runner, the first runners 5 are communicated with the second runners in one-to-one correspondence, and the die core 1 is provided with a main runner communicated with the first runners 5.
The surface of the side wall forming insert 3 far away from the core 2 is convexly provided with a clamped part, and the clamped part is clamped between the die core 1 and the connecting block 4. The clamped part is clamped between the die core 1 and the connecting block 4, and the connecting block 4 is used for applying acting force to the clamped part to enable the clamped part to be detachably arranged on the die core 1.
And a positioning groove which is matched with the clamped part in a clearance way is formed in one end of the bottom surface of the connecting block 4, which is close to the core 2, or the surface of the die core 1. The positioning groove is used for accommodating the clamped part, and the clamped part is positioned through the positioning groove. The connecting block 4 is used for applying force to the clamped part to enable the clamped part to be detachably mounted on the die core 1.
The die core 1 is provided with a first groove in clearance fit with the connecting block 4, and the cross section of the first groove and the cross section of the connecting block 4 are gradually reduced along the die opening direction. The connecting block 4 is big-end-up, and first recess and the clearance fit of connecting block 4 are convenient for assemble connecting block 4, prevent that the product from spreading on the edge of a knife or a sword deckle edge.
The first groove is inclined away from the inner wall of the mold core 2, is in an inverted right trapezoid shape, and forms an included angle of 1-5 degrees with the mold closing direction away from the inner wall of the mold core 2. The connecting block 4 is big-end-up, and first recess and the clearance fit of connecting block 4 are convenient for assemble connecting block 4, prevent that the product from spreading on the edge of a knife or a sword deckle edge.
The first runner 5 comprises an input section and an output section which are communicated, two ends of the output section are respectively communicated with the input section and the second runner, the input section is arranged on the surface, far away from the die core 1, of the connecting block 4, and the extending direction of the output section is obliquely arranged. Preferably, the extending direction of the output section is oblique to the closing direction of the die core 1. The end of the second flow channel is an output section which is obliquely arranged, so that the flowing resistance of the molten sizing material at the end of the second flow channel is reduced, and the flowing resistance of the molten sizing material at the end of the second flow channel smoothly enters the second flow channel.
The inside dog 6 that is equipped with of output section, dog 6 upper end sets up in output section centre of a circle below, dog 6 both ends all are equipped with the inclined plane. The input section is used for injecting molten sizing material into the output section. The molten rubber is blocked by the stop 6 when flowing in the input section, and finally the molten rubber overflows to the other side of the stop 6, and the flow speed of the molten rubber entering the input section is controlled by the stop 6.
One end of the output section, which is far away from the input section, is connected with a glue inlet channel, and the glue inlet channel is arranged on one side of the stop block 6, which is far away from the input section. The glue inlet channel is used for injecting molten glue into the input section, and the input section is used for injecting molten glue into the output section. And molten sizing material is injected into the input section through the sizing material inlet channel and the main flow channel at the same time, so that the speed of loading the molten sizing material into the input section is improved.
The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which should be considered as within the scope of the present description.
Claims (10)
1. The utility model provides a quick replacement mold structure of mold insert which characterized in that: including mould benevolence and lateral wall shaping mold insert, the mould benevolence is equipped with at least one core, every the equal laminating of core lateral wall is equipped with the lateral wall shaping mold insert, the surface that the lateral wall shaping mold insert is close to the core is equipped with the first shaping groove that is used for shaping the product lateral wall, the core lateral wall is equipped with the second shaping groove that sets up relatively with first shaping groove, every the surface connection that the core was kept away from to the lateral wall shaping mold insert has the connecting block, the connecting block can be dismantled and set up in the mould benevolence.
2. The mold structure for quick insert replacement according to claim 1, wherein: the surface of the side wall forming insert far away from the core is detachably connected or integrally formed with the connecting block.
3. The mold structure for quick insert replacement according to claim 1, wherein: each core one side at least one connecting block is provided with a first runner, each core one side at least one side wall forming insert is provided with a second runner, the first runners are communicated with the second runners in a one-to-one correspondence manner, and the mold core is provided with a main runner communicated with the first runners.
4. A mold structure for quick change inserts according to claim 3, wherein: the surface of the side wall forming insert, which is far away from the core, is convexly provided with a clamped part, and the clamped part is clamped between the die core and the connecting block.
5. The mold structure for quick insert replacement according to claim 4, wherein: and a positioning groove which is matched with the clamped part in a clearance way is formed in the bottom surface of the connecting block or the surface of the die core.
6. The mold structure for quick insert replacement according to claim 1, wherein: the die core is provided with a first groove in clearance fit with the connecting block, and the cross section of the first groove and the cross section of the connecting block are gradually reduced along the die opening direction.
7. The mold structure for quick insert replacement according to claim 6, wherein: the first groove is inclined away from the inner wall of the mold core, is in an inverted right trapezoid shape, and forms an included angle of 1-5 degrees with the mold closing direction away from the inner wall of the mold core.
8. A mold structure for quick change inserts according to claim 3, wherein: the first flow channel comprises an input section and an output section which are communicated, two ends of the output section are respectively communicated with the input section and the second flow channel, the input section is arranged on the surface of the connecting block, which is far away from the die core, and the extending direction of the output section is obliquely arranged.
9. The mold structure for quick insert change according to claim 8, wherein: the inside dog that is equipped with of output section, the dog upper end sets up in output section centre of a circle below, the dog both ends all are equipped with the inclined plane.
10. The mold structure for quick change inserts according to claim 9, wherein: one end of the output section, which is far away from the input section, is connected with a glue inlet channel, and the glue inlet channel is arranged on one side of the stop block, which is far away from the input section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320272544.8U CN219947125U (en) | 2023-02-21 | 2023-02-21 | Mould structure of quick replacement mold insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320272544.8U CN219947125U (en) | 2023-02-21 | 2023-02-21 | Mould structure of quick replacement mold insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219947125U true CN219947125U (en) | 2023-11-03 |
Family
ID=88539394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320272544.8U Active CN219947125U (en) | 2023-02-21 | 2023-02-21 | Mould structure of quick replacement mold insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219947125U (en) |
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2023
- 2023-02-21 CN CN202320272544.8U patent/CN219947125U/en active Active
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