CN220052666U - Precision die with accurate positioning function - Google Patents
Precision die with accurate positioning function Download PDFInfo
- Publication number
- CN220052666U CN220052666U CN202321463623.3U CN202321463623U CN220052666U CN 220052666 U CN220052666 U CN 220052666U CN 202321463623 U CN202321463623 U CN 202321463623U CN 220052666 U CN220052666 U CN 220052666U
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- plate
- front mold
- positioning function
- accurate positioning
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- 238000001746 injection moulding Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 239000003292 glue Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molds, in particular to a precise mold with a precise positioning function, which comprises a product, an A plate, a push plate and a B plate, wherein the push plate is arranged at the upper end of the B plate, the A plate is arranged at one end of the push plate far away from the B plate, and an injection molding assembly is arranged at the centers of the outer walls of the A plate and the push plate.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a precise mold with a precise positioning function.
Background
In injection molds, such products have the characteristics of thin wall thickness and thin shape of the product when dealing with medical suction head products. The product has high requirement on the uniformity of the wall thickness of the injection molded product, and the mold is designed, processed and manufactured by using the prior art, and the rear mold core rubber position part matched with the product is also in a fine high shape due to the fine high shape of the product. Because the products are generally multi-hole open molds, the prior art is used for manufacturing the molds, the position degree of the front mold and the rear mold of each hole of the products cannot be guaranteed, and the position degree deviation after the front mold and the rear mold are assembled can cause the eccentric glue positions of the products, and the thickness of the glue positions of the produced products is uneven.
In summary, it is necessary to invent a precision mold with a precise positioning function.
Disclosure of Invention
Therefore, the utility model provides a precision die with an accurate positioning function, which solves the problems that the position degree of a front die and a rear die of each hole of a product cannot be ensured, the position degree deviation after the front die and the rear die are matched can cause the eccentric glue position of the product, the thickness of the glue position of the produced product is uneven, and the like.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a precision die with accurate positioning function, includes product, A board, push pedal and B board, the push pedal sets up the upper end at the B board, A board sets up the one end of keeping away from the B board at the push pedal, A board and the outer wall center department of push pedal are provided with the subassembly of moulding plastics.
Preferably, the injection molding assembly comprises a rear mold core, a plurality of bottom ends of the rear mold core and the outer wall bottom end of the B plate are fixed, a rear mold core is arranged at the upper end of the outer wall of the rear mold core, clamping grooves are formed in the joints of the bottom ends of the outer walls of the push plates and the rear mold core, and the outer walls of the rear mold cores are connected with the inner walls of the clamping grooves.
Preferably, a front mold runner plate is arranged at the upper end of the outer wall of the rear mold core, the front mold runner plate is arranged above the outer wall of the push plate, an injection molding groove is formed in the position, corresponding to the front mold runner plate, of the upper end and the lower end of the outer wall of the A plate, and the outer wall of the front mold runner plate is connected with the inner wall of the injection molding groove.
Preferably, the upper end of the outer wall of one side of the front mould runner plate far away from the rear mould core is abutted with the front mould core, and the outer wall of the front mould core and the upper end of the inner wall of the injection groove.
Preferably, the bottom of product and the outer wall upper end butt of back mould core, the one end that back mould core was kept away from to the product is provided with front mould cylinder type mold insert, the outer wall of front mould cylinder type mold insert cup joints with front mould runner board outer wall corresponding position department.
Preferably, one end of the rear mold core, which is far away from the front mold cylinder insert, is provided with a front mold positioner, the upper end and the lower end of the outer wall of the front mold core are respectively provided with a sleeve hole at the position corresponding to the front mold positioner, and the upper end of the front mold positioner penetrates through the sleeve holes and is fixed above the front mold core.
Preferably, guide posts are fixed at corners of the top end of the outer wall of the B plate, through holes are formed in positions, corresponding to the four guide posts, of the push plate and the B plate, a second guide sleeve is sleeved on the inner wall of the through hole formed in the push plate, a first guide sleeve is sleeved on the inner wall of the through hole formed in the A plate, and the upper end of the B plate is in sliding connection with the second guide sleeve at the corresponding position and the inner wall of the first guide sleeve.
The mounting grooves are formed in the outer wall side ends of the plate A, the pushing plate and the plate B, square positioning blocks are fixed on the inner walls of the mounting grooves, and two adjacent square positioning blocks are clamped.
The beneficial effects of the utility model are as follows:
according to the utility model, the processing technology of the die at the die blank positioning position is controlled, and under the premise of ensuring the position degree, the square positioning block on the die blank is used for performing die blank precise positioning and the matched positioning before the rear die core and the front die positioner by virtue of the guide post, the first guide sleeve and the second guide sleeve, so that the position degree of the front die core and the rear die core of the die and the injection pressure is high during injection molding, the problem of product eccentricity and product glue position non-uniformity caused by the core punching deformation of the rear die is solved, the die positioning precision is improved, and the injection molding product quality is improved.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic perspective view of the structure of the utility model shown in FIG. 1 with the A plate removed;
FIG. 3 is a schematic view of the three-dimensional structure of FIG. 2 with the push plate removed;
fig. 4 is a schematic perspective view of a rear mold core and a front mold cylinder insert according to the present utility model.
In the figure: 100. a plate A; 110. the first guide sleeve; 200. a push plate; 300. a B plate; 310. a guide post; 320. a second guide sleeve; 400. a front mold core; 410. a front mold runner plate; 420. a rear mold core; 430. a rear mold core; 440. a front mold cylinder insert; 441. a front mold positioner; 500. and a square positioning block.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Referring to fig. 1-4, the precision die with the accurate positioning function provided by the utility model comprises a product, an a plate 100, a push plate 200 and a B plate 300, wherein the push plate 200 is arranged at the upper end of the B plate 300, the a plate 100 is arranged at one end of the push plate 200 far away from the B plate 300, mounting grooves are formed in the outer wall side ends of the a plate 100, the push plate 200 and the B plate 300, square positioning blocks 500 are fixed on the inner walls of the mounting grooves, two adjacent square positioning blocks 500 are clamped, square positioning blocks 500 are arranged in four directions on the side walls of the a plate 100, the push plate 200 and the B plate 300, the positions of the mounting grooves are cut by slow wire, and the square positioning blocks 500 are fixed on the a plate 100, the push plate 200 and the B plate 300 through cup locking screws;
the center of the outer wall of the A plate 100 and the push plate 200 is provided with an injection molding assembly, the injection molding assembly comprises a rear mold core 430, the bottom ends of a plurality of rear mold cores 430 are fixed with the bottom end of the outer wall of the B plate 300, the rear mold core 430 is arranged to support the bottom end of a product, the upper end of the outer wall of the rear mold core 430 is provided with a rear mold core 420, the rear mold core 420 is arranged to position the rear mold core 430, the positions of the rear mold core 420 corresponding to the rear mold core 430 are provided with round holes, the upper end of the rear mold core 430 passes through the rear mold core 420 through the round holes, the bottom end of the outer wall of the push plate 200 is provided with clamping grooves at the positions connected with the rear mold core 420, the outer wall of the rear mold core 420 is connected with the inner wall of the clamping grooves, the clamping grooves are arranged to enable the rear mold core 420 to be fixed at the bottom end of the outer wall of the push plate 200, the rear mold core 420 can be fixed on the push plate 200 by using cup head screws, the rear mold core 420 is provided with taper holes at the positions corresponding to the positions, the taper is 2-3 degrees, which is used for installing the rear mold core 430, a clearance hole is needed to be dug at the corresponding glue position of the push plate 200, which is used for installing the rear mold core 430, the rear mold core 430 on the push plate 200 is sealed, guided and positioned by a taper hole formed by the rear mold core 420, the upper end of the outer wall of the rear mold core 420 is provided with a front mold runner plate 410, the front mold runner plate 410 is arranged above the outer wall of the push plate 200, the upper and lower ends of the outer wall of the A plate 100 are provided with injection molding grooves at the positions corresponding to the front mold runner plate 410, the outer wall of the front mold runner plate 410 is connected with the inner wall of the injection molding grooves, the upper end of the outer wall of the front mold runner plate 410, which is far away from the rear mold core 420, is abutted with the front mold core 400, the outer wall of the front mold core 400 is fixed with the front mold runner plate 410 by cup threads, in addition, in order to prevent offset, the corresponding positions of the front mold core 400 and the front mold runner plate 410 are provided with pin holes, placing two plates in the A plate 100 in series by using pins, abutting the bottom end of a product with the upper end of the outer wall of the rear mold core 430, arranging a front mold cylinder insert 440 at one end of the product far away from the rear mold core 430, sleeving the outer wall of the front mold cylinder insert 440 at the corresponding position of the outer wall of the front mold runner plate 410, arranging a front mold positioner 441 at one end of the rear mold core 430 far away from the front mold cylinder insert 440, arranging trepanning at the positions corresponding to the front mold positioner 441 at the upper and lower ends of the outer wall of the front mold core 400, penetrating the trepanning at the upper end of the front mold positioner 441, fixing the upper end of the front mold core 400 above the front mold core 400, cutting the trepanning at the corresponding rubber position by the front mold core 400, arranging a front mold cylinder insert 440 in the trepanning, slowly cutting rubber in the middle of the front mold cylinder insert 440, arranging a front mold positioner 441 on the rubber position of the front mold positioner 441, and arranging the front mold positioner 441 in the front mold positioner 441 along the diameter of the small hole of the product top to be matched with the rear mold core 430;
guide posts 310 are fixed at corners of the top end of the outer wall of the B plate 300, through holes are formed in positions, corresponding to the four guide posts 310, of the push plate 200 and the B plate 300, second guide sleeves 320 are sleeved on the inner walls of the through holes formed in the push plate 200, first guide sleeves 110 are sleeved on the inner walls of the through holes formed in the A plate 100, the upper end of the B plate 300 is slidably connected with the second guide sleeves 320 and the inner walls of the first guide sleeves 110 at the corresponding positions, the guide posts 310 play a role in guiding the moving direction of the A plate 100 and the push plate 200, the through holes are formed in order to enable the first guide sleeves 110 and the second guide sleeves 320 to be installed on the A plate 100 and the push plate 200, and the first guide sleeves 110 and the second guide sleeves 320 are arranged in order to improve the sliding effect of the guide posts 310.
The application process of the utility model is as follows: in the above structure, when the mold is closed, the guide post 310 fixed on the B plate 300 sequentially passes through the second guide sleeve 320 fixed on the push plate 200 and the first guide sleeve 110 fixed on the a plate 100 to perform auxiliary positioning, the square positioning blocks 500 fixed on the sides of the a plate 100, the push plate 200 and the B plate 300 perform auxiliary positioning on the mold blank, in the closing process, the rear mold core 430 is fixed on the B plate 300, then sequentially passes through the push plate 200, the rear mold core 420, the front mold runner plate 410 and the front mold cylinder insert 440, the thin position of the head of the rear mold core 430 passes through the product hole site to extend upwards by 1.5-2mm, and is matched and positioned with the front mold positioner 441 fixed on the front mold core 400, on the premise that the positioning process of the mold is controlled at the mold blank positioning position, the auxiliary positioning is ensured by the guide post 310, the first guide sleeve 110 and the second guide sleeve 320, in the process of square positioning blocks 500 on the mold blank are used for performing precision positioning of the mold blank and the matching positioning blocks before the rear mold core 430 and the front mold positioner 441, so that the positions of the front mold core 400 and the rear mold core 430 are matched with the front mold core 430 are positioned, and the eccentric positioning accuracy of the mold core 430 is improved, and the quality of the injection molding product is improved.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (8)
1. A precision die with accurate positioning function is characterized in that: including product, A board (100), push pedal (200) and B board (300), push pedal (200) set up the upper end at B board (300), A board (100) set up the one end of keeping away from B board (300) at push pedal (200), the outer wall center department of A board (100) and push pedal (200) is provided with the subassembly of moulding plastics.
2. The precision die with accurate positioning function according to claim 1, wherein: the assembly of moulding plastics includes back model core (430), a plurality of the bottom of back model core (430) and the outer wall bottom mounting of B board (300), the outer wall upper end of back model core (430) is provided with back mould benevolence (420), the draw-in groove has all been seted up in the outer wall bottom of push pedal (200) with back mould benevolence (420) junction, the outer wall and the inner wall connection of draw-in groove of back mould benevolence (420).
3. The precision die with accurate positioning function according to claim 2, wherein: the upper end of the outer wall of the rear mold core (420) is provided with a front mold runner plate (410), the front mold runner plate (410) is arranged above the outer wall of the push plate (200), the upper end and the lower end of the outer wall of the A plate (100) are provided with injection molding grooves at positions corresponding to the front mold runner plate (410), and the outer wall of the front mold runner plate (410) is connected with the inner wall of the injection molding grooves.
4. A precision die with accurate positioning function according to claim 3, characterized in that: the upper end of the outer wall of one side of the front mold runner plate (410) far away from the rear mold core (420) is abutted with a front mold core (400), and the outer wall of the front mold core (400) and the upper end of the inner wall of the injection molding groove are abutted.
5. The precision die with accurate positioning function according to claim 4, wherein: the bottom of product and the outer wall upper end butt of back model core (430), the one end that back model core (430) was kept away from to the product is provided with front mould cylinder type mold insert (440), the outer wall of front mould cylinder type mold insert (440) cup joints with front mould runner board (410) outer wall corresponding position department.
6. The precision die with accurate positioning function according to claim 5, wherein: front mold locators (441) are arranged at one ends, far away from the front mold cylinder inserts (440), of the rear mold cores (430), trepanning holes are formed in the positions, corresponding to the front mold locators (441), of the upper ends and the lower ends of the outer walls of the front mold cores (400), and the upper ends of the front mold locators (441) penetrate through the trepanning holes and are fixed above the front mold cores (400).
7. The precision die with accurate positioning function according to claim 1, wherein: guide posts (310) are fixed at corners of the top end of the outer wall of the B plate (300), holes are formed in positions, corresponding to the four guide posts (310), of the push plate (200) and the B plate (300), second guide sleeves (320) are sleeved on the inner walls of the holes formed in the push plate (200), first guide sleeves (110) are sleeved on the inner walls of the holes formed in the A plate (100), and the upper ends of the B plate (300) are connected with the second guide sleeves (320) at the corresponding positions and the inner walls of the first guide sleeves (110) in a sliding mode.
8. The precision die with accurate positioning function according to claim 1, wherein: the mounting grooves are formed in the outer wall side ends of the A plate (100), the push plate (200) and the B plate (300), square positioning blocks (500) are fixed on the inner walls of the mounting grooves, and two adjacent square positioning blocks (500) are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321463623.3U CN220052666U (en) | 2023-06-09 | 2023-06-09 | Precision die with accurate positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321463623.3U CN220052666U (en) | 2023-06-09 | 2023-06-09 | Precision die with accurate positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220052666U true CN220052666U (en) | 2023-11-21 |
Family
ID=88783741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321463623.3U Active CN220052666U (en) | 2023-06-09 | 2023-06-09 | Precision die with accurate positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220052666U (en) |
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2023
- 2023-06-09 CN CN202321463623.3U patent/CN220052666U/en active Active
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