CN218429720U - Injection mold capable of pulling core in mold - Google Patents
Injection mold capable of pulling core in mold Download PDFInfo
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- CN218429720U CN218429720U CN202222251898.2U CN202222251898U CN218429720U CN 218429720 U CN218429720 U CN 218429720U CN 202222251898 U CN202222251898 U CN 202222251898U CN 218429720 U CN218429720 U CN 218429720U
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Abstract
The utility model discloses an injection mold capable of pulling core in mold, which comprises a fixed mold group and a movable mold group, wherein the movable mold group comprises a movable mold plate and a top plate, the movable mold plate is provided with an auxiliary lock rod, a primary slide block and a secondary slide block, and the auxiliary lock rod is provided with a semicircular lock groove; the fixed die set comprises a fixed die base and a fixed die plate, the fixed die plate is provided with a pull rod, a support block and a secondary guide pillar capable of enabling the secondary sliding block to move, the pull rod is provided with a stop block, the support block is provided with a movable cylindrical locking piece, the locking piece can be clamped with the locking groove, the fixed die base is provided with a primary guide pillar capable of enabling the primary sliding block to move and a primary locking rod capable of pushing the locking piece into the locking groove. The utility model discloses can make the shaping go out the shell smoothly to can loose core, the drawing of patterns to the shell when the branch mould, structural design is reasonable, reliable and stable.
Description
Technical Field
The utility model belongs to the technical field of injection mold and specifically relates to an injection mold of loosing core in can mould is related to.
Background
The injection mould is characterized in that plastic in a heating charging barrel of an injection machine is heated and melted, the plastic is pushed by a screw or a plunger and enters a mould cavity through a nozzle and a pouring system of the mould, the plastic is hardened and shaped in the mould cavity, and the injection mould is important process equipment for realizing an injection molding process.
As shown in fig. 1, a housing 100 used in a camera needs to be designed with an injection mold for molding the housing 100.
Disclosure of Invention
The utility model aims to solve the technical problem that an injection mold of loosing core in mould is provided, can form out the shell smoothly to can loose core, the drawing of patterns to the shell when the branch mould.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an injection mold capable of pulling core in a mold comprises a fixed mold group and a movable mold group, wherein the movable mold group comprises a movable mold plate and a top plate, the movable mold plate is provided with an auxiliary lock rod, a primary slide block and a secondary slide block, and the auxiliary lock rod is provided with a semicircular lock groove; the fixed die set comprises a fixed die base and a fixed die plate, the fixed die plate is provided with a pull rod, a support block and a secondary guide pillar capable of enabling a secondary sliding block to move, the pull rod is provided with a stop block, the support block is provided with a movable cylindrical locking part, the locking part can be clamped with a locking groove, the fixed die base is provided with a primary guide pillar capable of enabling the primary sliding block to move and a primary locking rod capable of pushing the locking part into the locking groove.
The utility model has the advantages of can form out the shell smoothly to can loose core, the drawing of patterns to the shell when the branch mould, structural design is reasonable, reliable and stable. The shell is formed between the movable mould plate and the fixed mould plate in an injection molding mode, after mould splitting, the movable mould plate moves downwards, and the fixed mould plate, the support block, the locking piece, the auxiliary locking rod and the movable mould plate are connected together to move downwards because the locking piece is pressed by the main locking rod and is embedded into the locking groove; the fixed die holder is fixed, the fixed die plate is downwards and gradually far away from the fixed die holder, the locking part is downwards and gradually far away from the main locking rod, the primary sliding block is blocked by the primary guide pillar to move transversely at the moment, and the movable die plate and the fixed die plate are in a closed state, so that the in-die core pulling action (the first core pulling action) is completed; because the primary locking bar is already far away from the locking member, the locking member will gradually disengage from the locking slot to the right; when the lower end of the stop block touches the fixed die holder, the fixed die holder is not separated from the fixed die plate, the auxiliary lock rod and the movable die plate continue to move downwards to be far away from the fixed die plate, and the secondary slide block is stopped by the secondary guide pillar to move transversely until the secondary slide block is completely separated from the shell (secondary core-pulling action); and finally, the top plate moves upwards, and the shell is pushed out of the movable template upwards.
As the utility model discloses further improve: the supporting block is provided with a sliding groove, after the die is closed, the main locking rod and the auxiliary locking rod are respectively positioned on two sides of the sliding groove, and the locking piece is positioned between the main locking rod and the auxiliary locking rod. When the mold is closed, one end of the locking piece is embedded into the locking groove of the auxiliary locking rod, and the main locking rod presses the other end of the locking piece.
As the utility model discloses further improve: the supporting block is provided with a unimportant circular sliding hole penetrating through the sliding groove, the locking piece is provided with a cylindrical sliding shaft, and the sliding shaft is connected with the sliding hole in a sliding mode. The slide shaft can move in the slide hole, and the locking piece can move in the slide groove.
As the utility model discloses further improve: the diameter of the locking piece is larger than that of the sliding shaft. Meanwhile, the diameter of the locking piece is larger than the width of the upper end and the lower end of the sliding hole, so that the locking piece can be prevented from entering the sliding hole, and the locking piece only moves left and right in the sliding groove.
As the utility model discloses further improve: the fixed die base is provided with a movable hole, the movable hole is provided with a pull groove, the pull rod penetrates through the movable hole and is fixedly connected with the fixed die plate, and the stop block is positioned in the pull groove; the diameter of the pull groove is larger than that of the movable hole, and the diameter of the stop block is larger than that of the pull rod. After the pull rod is fixed to the fixed die plate, the stop block can move in the pull groove, and when the fixed die holder is separated from the fixed die plate, the stop block can limit the maximum spacing distance between the fixed die holder and the fixed die plate.
As the utility model discloses further improve: the primary guide pillar is provided with an inclined guide block, the primary sliding block is provided with an inclined primary guide hole, and the primary guide hole is connected with the guide block in a sliding manner; the secondary guide post is obliquely arranged, the secondary sliding block is provided with a core-pulling block and an oblique secondary guide hole, and the secondary guide hole is in sliding connection with the secondary guide post. The guide block of the primary guide pillar is inserted into the primary guide hole, and the secondary guide pillar is inserted into the secondary guide hole.
As the utility model discloses further improve: the top plate is provided with a straight ejector rod and an inclined side ejector rod, the side ejector rod is provided with a side forming groove, and the primary sliding block is provided with a side forming block which is spaced from the side forming groove. The straight ejector rod and the side ejector rod can eject the injection-molded shell out of the movable template.
As the utility model discloses further improve: the fixed die plate is provided with a fixed die core, the fixed die core is provided with a side through hole, and after die assembly is carried out, the side forming block is positioned in the side through hole. After the die is closed, the side forming block is inserted into the side through hole, and the end part of the side forming block is close to the side forming groove of the side ejector rod.
Drawings
FIG. 1 is a schematic view of a housing;
fig. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view (first view) of the stationary mold block;
FIG. 4 is an exploded view of the stationary mold block (second perspective);
FIG. 5 is an exploded view of the moving platen;
FIG. 6 is an exploded schematic view of the top plate;
fig. 7 is a cross-sectional view (taken from the center) of the present invention;
FIG. 8 is a cross-sectional view of a portion of the components in the stationary mold set;
fig. 9 is a cross-sectional view of the present invention (the stationary mold base is separated from the stationary mold plate);
fig. 10 is a cross-sectional view of the present invention (with the retaining member separated from the locking groove).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-10: an injection mold capable of pulling core in a mold comprises a fixed mold set and a movable mold set, wherein the movable mold set comprises a movable mold plate 400 and a top plate 500, the movable mold plate 400 is provided with an auxiliary lock rod 8, a primary slide block 7 and a secondary slide block 9, and the auxiliary lock rod 8 is provided with a semicircular lock groove 81; the fixed die set comprises a fixed die base 200 and a fixed die plate 300, the fixed die plate 300 is provided with a pull rod 6, a support block 3 and a secondary guide pillar 5 capable of enabling a secondary sliding block 9 to move, the pull rod 6 is provided with a stop block 61, the support block 3 is provided with a movable cylindrical locking piece 4, the locking piece 4 can be clamped with a locking groove 81, the fixed die base 200 is provided with a primary guide pillar 2 capable of enabling a primary sliding block 7 to move and a main locking rod 1 capable of pushing the locking piece 4 into the locking groove 81.
The supporting block 3 is provided with a sliding groove 31, after the die is closed, the main locking rod 1 and the auxiliary locking rod 8 are respectively positioned at two sides of the sliding groove 31, and the locking part 4 is positioned between the main locking rod 1 and the auxiliary locking rod 8. After the mold is closed, the main lock rod 1 is attached to one inner wall of the chute 31, the auxiliary lock rod 8 is attached to the other inner wall of the chute 31, and the end of the main lock rod 1 presses the locking member 4.
The supporting block 3 is provided with a unimportant sliding hole 32 penetrating through the sliding groove 31, the locking piece 4 is provided with a cylindrical sliding shaft 41, and the sliding shaft 41 is connected with the sliding hole 32 in a sliding mode. The locker 4 may be inserted into or separated from the locking groove 81 of the sub-locker 8, and the slide shaft 41 moves along with the locker 4, so that the slide shaft 41 moves left or right in the unitary circular slide hole 32.
The locking member 4 has a diameter larger than that of the slide shaft 41. Since the slide hole 32 serves to restrict the moving trace of the slide shaft 41, the locker 4 is also restricted in the moving trace accordingly, and the locker 4 moves only right and left in the slide slot 31 without entering into the slide hole 32.
The fixed die holder 200 is provided with a movable hole 201, the movable hole 201 is provided with a pull groove 202, the pull rod 6 penetrates through the movable hole 201, the pull rod 6 is fixedly connected with the fixed die plate 300, and the stop block 61 is positioned in the pull groove 202; the diameter of the pull groove 202 is larger than that of the movable hole 201, and the diameter of the stop 61 is larger than that of the pull rod 6. As shown in fig. 4 and 8, the lower end of the pull rod 6 passes through the movable hole 201 and then is fixedly connected with the fixed die plate 300, at this time, the stopper 61 is located in the pull groove 202, and in the process of gradually separating the fixed die plate 300 from the fixed die holder 200, when the lower end surface of the stopper 61 touches the lower end surface of the pull groove 202, the fixed die plate 300 is no longer separated from the fixed die holder 200, so that the stopper 61 can play a role of pulling the fixed die plate 300.
The primary guide post 2 is provided with an inclined guide block 21, the primary slide block 7 is provided with an inclined primary guide hole 71, and the primary guide hole 71 is in sliding connection with the guide block 21; the secondary guide post 5 is obliquely arranged, the secondary slide block 9 is provided with a core-pulling block 92 and an oblique secondary guide hole 91, and the secondary guide hole 91 is connected with the secondary guide post 5 in a sliding way. When the mold is separated, the movable mold plate moves downwards, so that the primary slide block 7 is blocked by the guide block 21 to move transversely, and the secondary slide block 9 is blocked by the secondary guide post 5 to move transversely; as shown in fig. 1, the housing 100 is provided with a side hole 102, and the core block 92 may mold the side hole 102 and complete the core pulling.
The top plate 500 is provided with a straight push rod 510 and an inclined side push rod 520, the side push rod 520 is provided with a side forming groove 521, and the primary slide block 7 is provided with a side forming block 72 spaced from the side forming groove 521. As shown in fig. 1, the casing 100 is provided with a side groove 101, and the side forming block 72 can form the side groove 101 and complete the core pulling; the housing 100 is a hollow thin-wall structure, the housing 100 has an inward convex structure in the inner wall of the position corresponding to the side groove 101, the side forming groove 521 of the side post 520 is used for forming the inward convex structure, and the side post 520 realizes the separation of the side forming groove 521 and the inward convex structure through the inclined movement.
The fixed die plate 300 is provided with a fixed die core 310, the fixed die core 310 is provided with a side through hole 311, and after die assembly, the side forming block 72 is positioned in the side through hole 311. As shown in fig. 3, the fixed mold core 310 is provided with a mold cavity 312, as shown in fig. 5, the movable mold plate is provided with a movable mold core 401, after mold closing, an injection molding gap is left between the mold cavity 312 and the movable mold core 401, and the shell 100 is molded in the injection molding gap; the side forming block 72 passes through the side through hole 311 and approaches the movable mold core 401 and the side forming groove 521 of the side top rod 520.
The utility model discloses an action process is: as shown in fig. 7 and 8, in the state of closing the mold, the housing 100 is injection molded between the mold cavity 312 and the movable mold core 401, and then the movable mold plate 400 moves downward, and the fixed mold plate 300, the support blocks 3, the locking members 4, the secondary lock levers 8, and the movable mold plate 400 move downward together because the primary lock levers 1 press the locking members 4 and the locking members 4 are inserted into the locking grooves 81; as shown in fig. 9, the fixed mold base 200 is fixed, the fixed mold plate 300 is gradually away from the fixed mold base 200 downward, the locking member 4 is gradually away from the main locking rod 1 downward, the primary slide 7 is blocked by the guide block 21 of the primary guide pillar 2 to move transversely, and the movable mold plate 400 and the fixed mold plate 300 are in a closed state, so that the in-mold core pulling action (the first core pulling action) is completed; as shown in fig. 10, since the primary lock lever 1 has been moved away from the locker 4, the locker 4 is gradually separated from the locking groove 81 to the right; when the lower end surface of the stop block 61 touches the lower end surface of the pull groove 202, the fixed mold base 200 is no longer separated from the fixed mold plate 300, the auxiliary lock rod 8 and the movable mold plate 400 continue to move downwards, the auxiliary lock rod 8 leaves the slide groove 31, the movable mold plate 400 gradually moves downwards to be far away from the fixed mold plate 300, and the secondary slide block 9 is stopped by the secondary guide pillar 5 to move transversely until the secondary slide block 9 is completely separated from the shell 100 (second core pulling action); finally, the top plate 500 moves upward, and the straight bars 510 and the side bars 520 push the housing 100 upward out of the movable platen 400.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An injection mold capable of pulling core in a mold comprises a fixed mold group and a movable mold group, and is characterized in that the movable mold group comprises a movable mold plate and a top plate, the movable mold plate is provided with an auxiliary lock rod, a primary slide block and a secondary slide block, and the auxiliary lock rod is provided with a semicircular lock groove; the cover half group include cover half seat and fixed die plate, the fixed die plate be equipped with pull rod, a piece, can make the secondary guide pillar that the secondary slider removed, the pull rod be equipped with the dog, a piece be equipped with mobilizable cylindrical retaining member, the retaining member can with the locked groove joint, the cover half seat be equipped with can make the primary guide pillar that a slider removed and can push into the primary lock pole of locked groove with the retaining member.
2. The injection mold capable of in-mold core pulling according to claim 1, wherein the supporting block is provided with a sliding groove, after mold closing, the primary locking rod and the secondary locking rod are respectively located at two sides of the sliding groove, and the locking member is located between the primary locking rod and the secondary locking rod.
3. The injection mold capable of in-mold core pulling according to claim 2, wherein the supporting block is provided with a unimorph sliding hole penetrating through the sliding groove, the locking member is provided with a cylindrical sliding shaft, and the sliding shaft is slidably connected with the sliding hole.
4. An injection mold with in-mold core pulling according to claim 3, wherein the diameter of the locking member is larger than that of the slide shaft.
5. The injection mold capable of in-mold core pulling according to claim 1, wherein the fixed mold base is provided with a movable hole, the movable hole is provided with a pull groove, the pull rod penetrates through the movable hole and is fixedly connected with the fixed mold plate, and the stop block is positioned in the pull groove; the diameter of the pull groove is larger than that of the movable hole, and the diameter of the stop block is larger than that of the pull rod.
6. The injection mold capable of pulling core in mold according to claim 1, wherein the primary guide pillar is provided with an inclined guide block, the primary slide block is provided with an inclined primary guide hole, and the primary guide hole is slidably connected with the guide block; the secondary guide post is obliquely arranged, the secondary sliding block is provided with a core-pulling block and an oblique secondary guide hole, and the secondary guide hole is connected with the secondary guide post in a sliding manner.
7. The injection mold capable of in-mold core pulling according to claim 1, wherein the top plate is provided with a straight ejector rod and an inclined side ejector rod, the side ejector rod is provided with a side forming groove, and the primary slide block is provided with a side forming block spaced from the side forming groove.
8. The injection mold capable of pulling core in mold as claimed in claim 7, wherein the fixed mold plate is provided with a fixed mold core, the fixed mold core is provided with a side through hole, and after mold closing, the side forming block is positioned in the side through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222251898.2U CN218429720U (en) | 2022-08-25 | 2022-08-25 | Injection mold capable of pulling core in mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222251898.2U CN218429720U (en) | 2022-08-25 | 2022-08-25 | Injection mold capable of pulling core in mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218429720U true CN218429720U (en) | 2023-02-03 |
Family
ID=85097934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222251898.2U Active CN218429720U (en) | 2022-08-25 | 2022-08-25 | Injection mold capable of pulling core in mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218429720U (en) |
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2022
- 2022-08-25 CN CN202222251898.2U patent/CN218429720U/en active Active
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