CN219634412U - Injection mold core pulling mechanism - Google Patents
Injection mold core pulling mechanism Download PDFInfo
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- CN219634412U CN219634412U CN202320652544.0U CN202320652544U CN219634412U CN 219634412 U CN219634412 U CN 219634412U CN 202320652544 U CN202320652544 U CN 202320652544U CN 219634412 U CN219634412 U CN 219634412U
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- connecting plate
- fixedly connected
- fixing
- mold core
- mold
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a core pulling mechanism of an injection mold, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a supporting block, the bottom of an upper mold is connected with a mold core, two sides of the mold core are respectively provided with a clamping plate, one side of the clamping plate is provided with a plurality of tension springs, a plurality of connecting mechanisms are respectively positioned on the tension springs, each connecting mechanism comprises two connecting plates, a plurality of fixing blocks, a plurality of fixing frames, a plurality of limiting rods, a plurality of threaded columns and a plurality of locking rings, each connecting plate is positioned on each fixing block, the other two fixing blocks are fixedly connected with the mold core, and the limiting rods are arranged on the fixing blocks in a sliding manner. According to the utility model, the connecting plate, the fixed block, the fixing frame, the limiting rod, the threaded column and the locking ring are matched with each other, the tension spring is connected with the connecting plate, the connecting plate is connected with the fixed block, the limiting rod limits the relative positions of the fixed block and the connecting plate, and therefore the tension spring is convenient to mount and dismount, take down and replace, and operate.
Description
Technical Field
The utility model relates to the field of injection mold core pulling, in particular to an injection mold core pulling mechanism.
Background
The injection mold generally refers to injection molding, and the injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns and varieties and the like, and comprises an upper mold, a lower mold, a cavity and a core, and a core pulling mechanism is generally used for assisting in drawing out the core better.
The part core pulling mechanism generally comprises a plurality of electromagnets, two clamping plates, two tension springs and the like, wherein the clamping plates are positioned on two sides of the mold core, the two electromagnets are positioned on two sides of the inner portion of the mold cavity, when the mold core enters the inner portion of the mold cavity, the electromagnets work to attract the clamping plates, after injection molding is finished, the electromagnets are powered off, the tension of the tension springs pulls the clamping plates to return, and then the mold core is pulled out.
Both ends of the tension spring are welded and fixed with the mold core and the clamping respectively, but when the tension spring is used for a long time, the tension spring can have the condition of weakening tension, the tension spring is inconvenient to replace, and certain limitation exists.
Disclosure of Invention
The utility model aims to provide a core pulling mechanism of an injection mold, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an injection mold core pulling mechanism, comprising:
the bottom plate is fixedly connected with a supporting block at the top end of the bottom plate, a lower die is fixedly connected to the top end of the supporting block, an upper die is arranged above the lower die, a cavity is arranged on the lower die, electromagnets are arranged on two sides of the inner wall of the cavity, a core is connected to the bottom of the upper die, clamping plates are arranged on two sides of the core, and a plurality of tension springs are arranged on one side of the clamping plates;
the connecting mechanisms are respectively located on the tension springs and comprise two connecting plates, a plurality of fixing blocks, a plurality of fixing frames, a plurality of limiting rods, a plurality of threaded columns and a plurality of locking rings, wherein the connecting plates are located on the fixing blocks, one sides of the two fixing blocks are fixedly connected with the clamping plates, one sides of the other two fixing blocks are fixedly connected with the mold cores, two ends of the tension springs are respectively fixedly connected with the two connecting plates, and the limiting rods are slidably arranged on the fixing blocks.
Preferably, two mounting grooves are formed in one side of the connecting plate, the fixing block is connected with the inner cavity of the mounting groove in a sliding and penetrating mode, the limit groove is formed in the side of the fixing block, and the limit rod is connected with the inner cavity of the limit groove in a sliding and penetrating mode.
Preferably, the top and bottom of the connecting plate are provided with sliding grooves, the limiting rod is connected with the inner cavity of the sliding groove in a sliding and penetrating mode, and one end of the limiting rod is fixedly connected with the inner wall of the fixing frame.
Preferably, one end of the threaded column is fixedly connected with the connecting plate, a U-shaped groove is formed in one side of the inner wall of the fixing frame, and the threaded column is connected with the inner cavity of the U-shaped groove in a sliding and penetrating mode.
Preferably, the outer wall of the limiting rod is connected with the inner cavity of the locking ring in a threaded penetrating mode, and the outer wall of the locking ring is fixedly connected with two fixing rods.
Preferably, a plurality of positioning blocks are fixedly connected to one side of the clamping plate and two sides of the bottom of the mold core, a positioning groove is formed in one side of the connecting plate, and the positioning blocks are connected with an inner cavity of the positioning groove in a sliding penetrating mode.
The utility model has the technical effects and advantages that:
(1) According to the utility model, the connecting plate, the fixed block, the fixing frame, the limiting rod, the threaded column and the locking ring are matched with each other, the tension spring is connected with the connecting plate, the connecting plate is connected with the fixed block, the limiting rod limits the relative positions of the fixed block and the connecting plate, so that the tension spring is convenient to mount and dismount, the tension spring is convenient to take down and replace, and the operation is convenient;
(2) According to the utility model, the connecting plate is connected with the positioning block by utilizing the mutual matching of the positioning block and the fixing rod, so that the positioning of the connecting plate is facilitated, the stability of the connecting plate is facilitated to be increased, the fixing rod is favorable for rotating the locking ring, and the locking ring is facilitated to be operated.
Drawings
FIG. 1 is a schematic diagram of the front cross-sectional structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
Fig. 4 is a schematic view of the structure of the fixing frame of the present utility model.
In the figure: 1. a bottom plate; 2. a support block; 3. a lower die; 4. an upper die; 5. an electromagnet; 6. a core; 7. a tension spring; 8. a clamping plate; 9. a connecting mechanism; 91. a connecting plate; 92. a fixed block; 93. a fixing frame; 94. a limit rod; 95. a threaded column; 96. a locking ring; 10. a positioning block; 11. and a fixing rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an injection mold core pulling mechanism as shown in fig. 1-4, which comprises a bottom plate 1, wherein the top end of the bottom plate is fixedly connected with a supporting block 2, the top end of the supporting block 2 is fixedly connected with a lower mold 3, an upper mold 4 is arranged above the lower mold 3, a cavity is arranged on the lower mold 3, electromagnets 5 are arranged on two sides of the inner wall of the cavity, a core 6 is connected to the bottom of the upper mold 4, clamping plates 8 are arranged on two sides of the core 6, the core 6 is connected with the cavity, the core 6 is pulled out, a plurality of tension springs 7 are arranged on one side of the clamping plates 8, the tension of the tension springs 7 are beneficial to enabling the clamping plates 8 to recover to the original position after moving, and the core 6 of the injection mold is pulled out from the inside of the cavity.
The connecting mechanism 9 is located on the tension springs 7 respectively, the connecting mechanism 9 comprises two connecting plates 91, a plurality of fixing blocks 92, a plurality of fixing frames 93, a plurality of limiting rods 94, a plurality of threaded columns 95 and a plurality of locking rings 96, the connecting plates 91 are beneficial to supporting the tension springs 7 and convenient to install the tension springs 7, the fixing blocks 92 are beneficial to being connected with the connecting plates 91 and convenient to install the connecting plates 91, the fixing frames 93 are L-shaped, the fixing frames 93 are beneficial to driving the limiting rods 94 to move and convenient to operate the limiting rods 94, the limiting rods 94 are beneficial to limiting the relative positions of the fixing blocks 92 and the connecting plates 91, further beneficial to installing and dismantling the tension springs 7 and convenient to take down and replace the tension springs 7, the threaded columns 95 are beneficial to being connected with the fixing frames 93, the locking rings 96 are beneficial to limiting the relative positions of the fixing frames 93 and the threaded columns 95, further free sliding of the limiting rods 94 is avoided, one sides of the two fixing blocks 92 are fixedly connected with the clamping plates 8, one sides of the two fixing blocks 92 are fixedly connected with the clamping plates 92, one sides of the other two fixing blocks 92 are fixedly connected with the tension springs 6, and the two ends of the two fixing blocks 7 are fixedly connected with the two fixing blocks 92 respectively.
Two mounting grooves are formed in one side of the connecting plate 91, the fixing block 92 is connected with the inner cavity of the mounting groove in a sliding and penetrating mode, the limit groove is formed in the side of the fixing block 92, and the limit rod 94 is connected with the inner cavity of the limit groove in a sliding and penetrating mode.
The top and the bottom of connecting plate 91 have all seted up the spout, and gag lever post 94 is connected with the inner chamber slip interlude of spout, and the one end and the inner wall fixed connection of mount 93 of gag lever post 94.
One end of a threaded column 95 is fixedly connected with the connecting plate 91, a U-shaped groove is formed in one side of the inner wall of the fixing frame 93, and the threaded column 95 is connected with the inner cavity of the U-shaped groove in a sliding and penetrating mode.
The outer wall of the limiting rod 94 is connected with the inner cavity of the locking ring 96 in a threaded penetrating mode, and the outer wall of the locking ring 96 is fixedly connected with the two fixing rods 11, so that the locking ring 96 can be rotated conveniently, and the locking ring 96 can be operated conveniently.
A plurality of locating blocks 10 are fixedly connected to one side of the clamping plate 8 and two sides of the bottom of the core 6, so that the locating of the connecting plate 91 is facilitated, the stability of the connecting plate 91 is improved, a locating groove is formed in one side of the connecting plate 91, and the locating blocks 10 are connected with the inner cavity of the locating groove in a sliding penetrating mode.
The working principle of the utility model is as follows:
when the injection mold is required to be used, the upper mold 4 drives the core 6 to move, the core 6 is inserted into the cavity of the cavity in a sliding manner, then the electromagnet 5 is enabled to work, the clamping plate 8 is attracted, the clamping plate 8 drives the plurality of connecting plates 91 to move, the connecting plates 91 stretch the tension springs 7, the tension springs 7 pull the clamping plate 8, then injection molding is carried out, after injection molding is finished, the electromagnet 5 stops working, the tension springs 7 pull the clamping plate 8 to return to the original position, and then the core 6 is pulled out;
when the tension spring 7 needs to be replaced, the fixing rods 11 are utilized to respectively rotate the locking rings 96, the locking rings 96 rotate on the threaded columns 95, then the locking rings 96 are far away from the fixing frame 93, the position limitation of the fixing frame 93 is relieved, then the fixing frame 93 is pulled, the fixing frame 93 drives the limiting rod 94 to move, the limiting rod 94 slides in the inner cavities of the sliding grooves and the limiting grooves, then the limiting rod 94 is separated from the inner cavities of the limiting grooves, the position limitation of the fixing blocks 92 is relieved, then the connecting plate 91 is separated from the clamping plate 8 and the mold core 6, the tension spring 7 can be detached, and then the tension spring 7 is replaced or maintained.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides an injection mold mechanism of loosing core which characterized in that includes:
the mold comprises a bottom plate (1), wherein a supporting block (2) is fixedly connected to the top end of the bottom plate, a lower mold (3) is fixedly connected to the top end of the supporting block (2), an upper mold (4) is arranged above the lower mold (3), a cavity is formed in the lower mold (3), electromagnets (5) are arranged on two sides of the inner wall of the cavity, a mold core (6) is connected to the bottom of the upper mold (4), clamping plates (8) are arranged on two sides of the mold core (6), and a plurality of tension springs (7) are arranged on one side of each clamping plate (8);
a plurality of coupling mechanism (9), it is located on a plurality of extension springs (7) respectively, coupling mechanism (9) are including two connecting plates (91), a plurality of fixed block (92), a plurality of mount (93), a plurality of gag lever post (94), a plurality of screw thread post (95) and a plurality of locking ring (96), connecting plate (91) are located on fixed block (92), two wherein one side and splint (8) fixed connection of fixed block (92), and two wherein the other one side and core (6) fixed connection of fixed block (92), the both ends of extension spring (7) are respectively with two connecting plate (91) fixed connection, gag lever post (94) slip sets up on fixed block (92).
2. The injection mold core pulling mechanism according to claim 1, wherein two mounting grooves are formed in one side of the connecting plate (91), the fixing block (92) is connected with an inner cavity of the mounting groove in a sliding and penetrating mode, a limit groove is formed in the side of the fixing block (92), and the limit rod (94) is connected with the inner cavity of the limit groove in the sliding and penetrating mode.
3. The injection mold core pulling mechanism according to claim 1, wherein the top end and the bottom end of the connecting plate (91) are provided with sliding grooves, the limiting rod (94) is connected with an inner cavity of the sliding grooves in a sliding penetrating mode, and one end of the limiting rod (94) is fixedly connected with the inner wall of the fixing frame (93).
4. The injection mold core pulling mechanism according to claim 1, wherein one end of the threaded column (95) is fixedly connected with the connecting plate (91), a U-shaped groove is formed in one side of the inner wall of the fixing frame (93), and the threaded column (95) is connected with the inner cavity of the U-shaped groove in a sliding penetrating mode.
5. The core pulling mechanism of an injection mold according to claim 1, wherein the outer wall of the limiting rod (94) is connected with the inner cavity of the locking ring (96) in a threaded penetrating manner, and the outer wall of the locking ring (96) is fixedly connected with two fixing rods (11).
6. The injection mold core pulling mechanism according to claim 1, wherein a plurality of positioning blocks (10) are fixedly connected to one side of the clamping plate (8) and two sides of the bottom of the mold core (6), a positioning groove is formed in one side of the connecting plate (91), and the positioning blocks (10) are connected with an inner cavity of the positioning groove in a sliding penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652544.0U CN219634412U (en) | 2023-03-29 | 2023-03-29 | Injection mold core pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652544.0U CN219634412U (en) | 2023-03-29 | 2023-03-29 | Injection mold core pulling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219634412U true CN219634412U (en) | 2023-09-05 |
Family
ID=87806500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320652544.0U Active CN219634412U (en) | 2023-03-29 | 2023-03-29 | Injection mold core pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219634412U (en) |
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2023
- 2023-03-29 CN CN202320652544.0U patent/CN219634412U/en active Active
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