CN219686439U - Demoulding structure of mould - Google Patents
Demoulding structure of mould Download PDFInfo
- Publication number
- CN219686439U CN219686439U CN202321014083.0U CN202321014083U CN219686439U CN 219686439 U CN219686439 U CN 219686439U CN 202321014083 U CN202321014083 U CN 202321014083U CN 219686439 U CN219686439 U CN 219686439U
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- slide block
- mold
- clamping
- lower mold
- plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a demolding structure of a mold, which comprises an upper mold base, an upper mold plate, an upper mold core, a lower mold plate, a lower mold base, an ejection mechanism and a plurality of demolding mechanisms, wherein the demolding mechanism comprises a slide block, a plurality of side mold inserts and a plurality of inclined guide rods, the top of the lower mold plate is provided with a sliding groove, the slide block is arranged on the sliding groove in a sliding manner, inclined guide holes penetrate through the slide block, the lower mold core is provided with an insert guide groove, a plurality of clamping pieces positioned at the bottom of the sliding groove are arranged in parallel in the vertical direction of the sliding direction of the slide block, the top of each clamping piece is provided with a clamping strip, the bottom of each clamping strip is provided with two clamping grooves matched with the clamping strips in a parallel manner, a gear stop effect of the slide block in the mold opening and closing process is formed, the slide block is prevented from shifting when the mold opening and closing are completed, the molding quality and the product molding accuracy are improved, and the demolding of the product is ensured.
Description
Technical Field
The utility model relates to the field of dies, in particular to a die stripping structure of a die.
Background
The mould is a tool for manufacturing plastic products, and can be used for manufacturing products with various shapes. After the product is molded in the mold, demolding operation is needed, and the slide is a fitting in the mold and is commonly used for core pulling and demolding. The existing die has the defects that the limit structure is not arranged on the slide structure, so that the slide moving range is influenced by the stroke of the opening and closing die, the forming precision and the demolding effect of the product are influenced, and the slide and the insert are easy to wear.
Disclosure of Invention
The utility model aims to solve the problems of providing a demolding structure of a mold, improving demolding stability and ensuring demolding effect and molding quality of a product.
The demolding structure comprises an upper mold base, an upper mold plate, an upper mold core, a lower mold plate and a lower mold base, wherein an ejection mechanism for ejecting a product from a cavity is arranged between the lower mold plate and the lower mold base, a plurality of demolding mechanisms are arranged on the lower mold plate around the lower mold core, each demolding mechanism comprises a slide block, a plurality of side mold inserts fixedly connected to one side of the slide block, a plurality of inclined guide rods fixedly connected to the upper mold plate, a chute corresponding to the slide block is arranged at the top of the lower mold plate, the slide block is arranged on the chute in a sliding manner, inclined guide holes corresponding to the inclined guide rods are arranged on the slide block in a penetrating manner, the inclined guide rods are arranged on the inclined guide holes, insert guide grooves for the movement of the side mold inserts are arranged on the lower mold core, a plurality of clamping pieces positioned at the bottom of the chute in parallel in the vertical direction of the slide block, and two clamping grooves matched with the clamping pieces in a parallel manner are arranged at the bottom of the slide block.
Preferably, both ends of the sliding groove are fixedly connected with limiting blocks, the inner side walls of the limiting blocks are provided with limiting steps, both ends of the slide block are provided with limiting notches matched with the limiting steps, the limiting steps are combined on the limiting notches, the middle part of the sliding groove is provided with guide bars along the sliding direction of the slide block, the bottom of the slide block is provided with guide grooves matched with the guide bars, and the guide bars are arranged on the guide grooves.
Preferably, the ejection mechanism comprises a top plate arranged between the lower die plate and the lower die base, a plurality of ejector pins fixedly connected to the top of the top plate and a plurality of inclined ejector rods hinged to the top of the top plate.
Preferably, the clamping strip is triangular prism-shaped.
Preferably, a groove is formed in one side of the lower die holder, a contact sensor is arranged on the groove, a plunger corresponding to a contact of the contact sensor is arranged on one side of the top plate in a penetrating mode, and when the top plate is reset, the bottom end of the plunger is in contact with the contact of the contact sensor.
The beneficial effects of the utility model are as follows: the utility model provides a demolding structure of a mold, which is provided with a unique assembly structure, after the mold is closed, a slide block moves towards a lower mold core along a sliding groove under the cooperation of an inclined guide rod and an inclined guide hole, each side mold insert moves along an insert guide groove and stretches into a cavity under the driving of the slide block, and when the mold is closed in place, a clamping groove far away from the center side of the mold is clamped on a clamping strip, so that the side mold insert can be prevented from shifting due to injection molding pressure in the cavity in the injection molding process, and the molding quality and precision of a product are ensured; when the die is opened, the slide blocks are far away from the lower die core along the sliding grooves, all side die inserts are driven by the slide blocks to move along the insert guide grooves and separate from the product, and when the die is opened in place, the clamping grooves close to the center side of the die are clamped on the clamping strips, so that the slide blocks are prevented from moving, and the product is ejected out of the lower die core through the ejection mechanism. The die clamping device is simple in structure, and through the arrangement of the clamping piece and the two clamping grooves, a gear stop effect of the line position sliding block in the die opening and closing process is formed, the line position sliding block is guaranteed not to deviate when the die opening and the die closing are completed, die abrasion is reduced, product forming quality and accuracy are improved, and smooth die stripping of products is guaranteed.
Drawings
Fig. 1 illustrates an exploded structural schematic of the present utility model.
Fig. 2 illustrates a schematic cross-sectional structure of the present utility model.
FIG. 3 illustrates a schematic diagram of the profile structure of the slider of the present utility model.
Fig. 4 illustrates an outline structure of the present utility model.
Fig. 5 illustrates a partially enlarged structural view of the portion a of fig. 1 according to the present utility model.
Fig. 6 illustrates a partially enlarged structural view of the portion B of fig. 1 according to the present utility model.
Fig. 7 illustrates a partially enlarged structural view of the C part of fig. 1 according to the present utility model.
Reference numerals illustrate: the die comprises an upper die holder 1, an upper die plate 2, an upper die core 3, a lower die plate 4, a sliding groove 40, a guide bar 41, a lower die holder 5, a groove 50, a contact sensor 51, an ejection mechanism 6, a top plate 60, an inserting rod 600, a thimble 61, an inclined ejector rod 62, a demoulding mechanism 7, a slide block 70, an inclined guide hole 700, a clamping groove 701, a limiting notch 702, a guide groove 703, a side die insert 71, an inclined guide rod 72, a lower die core 8, an insert guide groove 80, a clamping piece 9, a clamping bar 90, a limiting block 11 and a limiting step 110.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure.
All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are intended to be within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Reference is made to fig. 1-7.
The utility model provides a demolding structure of a mold, which comprises an upper mold base 1, an upper mold plate 2, an upper mold core 3, a lower mold core 8, a lower mold plate 4 and a lower mold base 5, wherein an ejection mechanism 6 for ejecting a product from a cavity is arranged between the lower mold plate 4 and the lower mold base 5, a plurality of demolding mechanisms 7 are arranged on the lower mold plate 4 around the lower mold core 8, the demolding mechanism 7 comprises a slide block 70, a plurality of side mold inserts 71 fixedly connected to one side of the slide block 70 and a plurality of inclined guide rods 72 fixedly connected to the upper mold plate 2, a sliding groove 40 corresponding to the slide block 70 is arranged at the top of the lower mold plate 4, the slide block 70 is arranged on the sliding groove 40 in a sliding manner, inclined guide holes 700 corresponding to the inclined guide rods 72 are arranged on the slide block 70 in a penetrating manner, insert guide grooves 80 for the movement of the side mold inserts 71 are arranged on the lower mold core 8, a plurality of clamping pieces 9 positioned at the bottom of the sliding groove 40 are arranged in a vertical direction along the slide direction of the slide block 70, clamping strips 90 are arranged at the top of the clamping pieces 9 in parallel with the bottom of the slide block 70 in a parallel manner along the slide direction of the slide block 90, and the two clamping strips are arranged in a parallel manner.
The specific use principle is as follows: after the die is clamped, under the cooperation of the inclined guide rod 72 and the inclined guide hole 700, the slide block 70 moves towards the lower die core 8 side along the sliding groove 40, all the side die inserts 71 move along the insert guide groove 80 and extend into the die cavity under the drive of the slide block 70, and when the die is clamped in place, the clamping groove 701 far away from the center side of the die is clamped on the clamping strip 90, so that the side die inserts 71 can be prevented from being deviated due to injection pressure in the die cavity in the injection molding process, and the product molding quality and precision are ensured; when the mold is opened, the slide blocks 70 are far away from the lower mold core 8 along the sliding grooves 40, the mold inserts 71 on each side are driven by the slide blocks 70 to move along the insert guide grooves 80 and separate from the product, and when the mold is opened in place, the clamping grooves 701 near the center side of the mold are clamped on the clamping strips 90, so that the slide blocks 70 are prevented from moving, and then the product is ejected out of the lower mold core 8 through the ejection mechanism 6. The die clamping device is simple in structure, and by arranging the clamping piece 9 and the two clamping grooves 701, a gear stop effect of the line position sliding block 70 in the die opening and closing process is formed, the line position sliding block 70 is ensured not to deviate when die opening and die closing are completed, die abrasion is reduced, product forming quality and precision are improved, and smooth die stripping of a product is ensured.
Based on the above embodiment, the two ends of the sliding chute 40 are fixedly connected with the limiting blocks 11, the inner side walls of the limiting blocks 11 are provided with the limiting steps 110, the two ends of the slide block 70 are provided with the limiting slots 702 matched with the limiting steps 110, the limiting steps 110 are combined on the limiting slots 702, the middle part of the sliding chute 40 is provided with the guide strips 41 along the sliding direction of the slide block 70, the bottom of the slide block 70 is provided with the guide grooves 703 matched with the guide strips 41, and the guide strips 41 are arranged on the guide grooves 703. When the slide block 70 moves along the chute 40, the limit notch 702 will move along the limit step 110, the guide groove 703 will move along the guide bar 41, which can guide the movement of the slide block 70, improve the stability of the side mold insert 71 in and out of the cavity, and improve the molding quality and demolding effect.
Based on the above embodiment, the ejection mechanism 6 includes a top plate 60 disposed between the lower die plate 4 and the lower die holder 5, a plurality of ejector pins 61 fixedly connected to the top of the top plate 60, and a plurality of inclined ejector rods 62 hinged to the top of the top plate 60. In the mold opening process, after the side mold insert 71 is separated from the product, the top plate 60 is pushed to move towards the lower mold plate 4, the inclined ejector rod 62 moves and is separated from a buckle on the product, and the ascending ejector pin 61 ejects the product from the lower mold core 8, so that the product is ensured to be demolded smoothly.
Based on the above embodiment, the clamping bar 90 is in a triangular prism shape, and has a better clamping effect under the cooperation of the triangular prism-shaped clamping bar 90 and the clamping groove 701.
Based on the above embodiment, the lower die holder 5 is provided with the groove 50 on one side, the contact sensor 51 is provided on the groove 50, the plunger 600 corresponding to the contact of the contact sensor 51 is provided on one side of the top plate 60, and when the top plate 60 is reset, the bottom end of the plunger 600 contacts with the contact of the contact sensor 51. The controller in data connection with the contact sensor 51 is arranged on the machine tool, the machine tool drives the top plate 60 to lift to drive the ejector pins 61 and the inclined ejector pins 62 to eject the product from the lower die core 8, the top plate 60 is pushed to reset towards the lower die base 5, when the bottom end of the inserted rod 600 is in contact with a contact of the contact sensor 51, the contact sensor 51 sends data to the controller, the controller judges that the top plate 60 is reset, the machine tool stops applying force to the top plate 60, and the automation degree and the control precision are improved.
The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (5)
1. The demolding structure of the mold comprises an upper mold base, an upper mold plate, an upper mold core, a lower mold plate and a lower mold base, and is characterized in that an ejection mechanism for ejecting a product from a cavity is arranged between the lower mold plate and the lower mold base, a plurality of demolding mechanisms are arranged on the lower mold plate around the lower mold core, each demolding mechanism comprises a slide block, a plurality of side mold inserts fixedly connected to one side of the slide block, a plurality of inclined guide rods fixedly connected to the upper mold plate, a chute corresponding to the slide block is arranged at the top of the lower mold plate, the slide block is arranged on the chute in a sliding manner, the slide block is provided with an inclined guide hole corresponding to the inclined guide rod in a penetrating mode, the inclined guide rod is arranged on the inclined guide hole, an insert guide groove for allowing the side mold insert to move is formed in the lower mold core, a plurality of clamping pieces located at the bottom of the sliding groove are arranged in parallel in the vertical direction of the sliding direction of the slide block, the top of each clamping piece is provided with a clamping strip, the clamping strips are arranged in the vertical direction of the sliding direction of the slide block, and two clamping grooves matched with the clamping strips in a parallel mode are formed in the bottom of the slide block.
2. The demolding structure of a mold according to claim 1, wherein limiting blocks are fixedly connected to two ends of the sliding groove, limiting steps are arranged on the inner side walls of the limiting blocks, limiting notch matched with the limiting steps are arranged at two ends of the slide block, the limiting steps are combined on the limiting notch, a guide bar is arranged in the middle of the sliding groove along the sliding direction of the slide block, a guide groove matched with the guide bar is arranged at the bottom of the slide block, and the guide bar is arranged on the guide groove.
3. The mold release structure of claim 2, wherein the ejection mechanism comprises a top plate arranged between the lower die plate and the lower die holder, a plurality of ejector pins fixedly connected to the top of the top plate, and a plurality of inclined ejector pins hinged to the top of the top plate.
4. A mold release structure according to claim 3, wherein the detent bar is triangular prism-shaped.
5. The stripping structure of a die according to claim 4, wherein a groove is formed in one side of the lower die holder, a contact sensor is arranged on the groove, a plunger corresponding to a contact of the contact sensor is arranged on one side of the top plate in a penetrating manner, and when the top plate is reset, the bottom end of the plunger is in contact with the contact of the contact sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014083.0U CN219686439U (en) | 2023-04-28 | 2023-04-28 | Demoulding structure of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014083.0U CN219686439U (en) | 2023-04-28 | 2023-04-28 | Demoulding structure of mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686439U true CN219686439U (en) | 2023-09-15 |
Family
ID=87938179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321014083.0U Active CN219686439U (en) | 2023-04-28 | 2023-04-28 | Demoulding structure of mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219686439U (en) |
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2023
- 2023-04-28 CN CN202321014083.0U patent/CN219686439U/en active Active
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