CN215703795U - Anti-retreating mechanism for small oil cylinder sliding block of injection mold - Google Patents
Anti-retreating mechanism for small oil cylinder sliding block of injection mold Download PDFInfo
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- CN215703795U CN215703795U CN202122107145.XU CN202122107145U CN215703795U CN 215703795 U CN215703795 U CN 215703795U CN 202122107145 U CN202122107145 U CN 202122107145U CN 215703795 U CN215703795 U CN 215703795U
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Abstract
The utility model relates to the technical field of injection molds, in particular to a small-sized oil cylinder slide block anti-retreating mechanism of an injection mold, which comprises a slide block insert and a locking assembly for locking the slide block insert; the oil cylinder drives the shovel machine and the locking slide block to move for primary locking, and the shovel machine and the locking slide block are further locked and released respectively through the locking block assembly when the mold is opened and closed. The core-pulling slide block is effectively prevented from returning due to overlarge injection pressure in the injection molding production, and the production quality of products is ensured; meanwhile, the core pulling mechanism is simple in structure and small in overall size, compared with a mechanical slider core pulling mode, a template is not required to be added, the problem that a larger injection molding machine is required due to increase of the thickness of a mold is effectively solved, production cost is saved, and economic benefits of enterprises are improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a small-sized oil cylinder sliding block anti-retreating mechanism of an injection mold.
Background
Injection molding is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products and capability of forming workpieces with complex shapes. In some injection molding products, the core withdrawing action is required to be completed before the mold is opened and the core entering action is required to be completed before the mold is closed.
In the prior art, a core-pulling sliding block in a die driven by an oil cylinder has a backspacing phenomenon due to larger injection pressure, so that the product quality defect is caused; when some products loose cores less and loose core distance is larger, the mechanical slide block is adopted to realize the core pulling and feeding in the mold, the number of the templates is increased, the size of the mold is increased, and meanwhile, a larger injection molding machine has to be adopted for production, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In the technical scheme, the oil cylinder drives the core-pulling sliding block to enable the core-pulling sliding block to return, the problem that the core-pulling and core-feeding in a mold are increased by adopting a mechanical sliding block is solved, and the anti-return mechanism for the small oil cylinder sliding block of the injection mold is provided.
The technical scheme of the utility model is as follows:
the utility model provides a small-size hydro-cylinder slider of injection mold prevents moving back mechanism which characterized in that: the die comprises a die plate and a die core arranged on the upper surface of the die plate, wherein the die plate is provided with a sliding groove I;
the slide block insert and the locking assembly are also included; the lower end face of the sliding block insert is an inclined plane and is slidably mounted in the sliding groove I; the upper end surface of the slide block insert is positioned in the mold core;
the locking assembly comprises a shovel machine, a locking sliding block, a locking block assembly, a mounting seat I and an oil cylinder;
the mounting seat I is fixedly connected to the lower surface of the template and located below the sliding groove I, a sliding groove II is formed in the upper surface of the mounting seat I and communicated with the sliding groove I, and a through hole I is formed in the lower end surface of the mounting seat I;
the oil cylinder is fixedly connected to the outer surface of the template, and a piston rod of the oil cylinder extends into the sliding groove II;
the locking sliding block is slidably arranged in the sliding groove II, and one end of the locking sliding block is fixedly connected with a piston rod of the oil cylinder;
the shovel machine is slidably arranged in the sliding groove II and is movably connected to the other end of the locking sliding block through a C-shaped connecting piece; the upper end surface of the shovel machine is an inclined surface, a sliding groove III is formed in the inclined surface, and the lower end surface of the sliding block insert is arranged in the sliding groove III in a sliding mode;
a groove I is formed in the lower end face of the locking sliding block and is trapezoidal; a groove II is formed in one side, close to the shovel machine, of the lower end face of the locking sliding block; a groove III is formed in one side, close to the locking sliding block, of the lower end face of the shovel machine;
the locking block assembly comprises a locking block and a mounting seat II; the mounting seat II is fixedly connected in the through hole I; the locking block is movably arranged on the mounting seat II; the upper end surface of the locking block is provided with a boss I and a boss II; the boss I is clamped in the groove I when the die is closed, the groove II is tightly attached to the groove III when the die is closed, and the boss II is clamped in a space formed by tightly attaching the groove II to the groove III.
Furthermore, the locking slide block is provided with a T-shaped mounting groove, and a piston rod of the oil cylinder is fixedly connected with a T-shaped connecting block; the oil cylinder is inserted into the mounting groove through the connecting block and connected with the locking sliding block.
Furthermore, two side end faces of the locking slide block are respectively provided with a groove IV, and the groove IV is fixedly connected with one end of the C-shaped connecting piece.
Furthermore, the end faces of two sides of the shovel machine are respectively provided with a groove V, the width of each groove V is larger than the width of the end part of the C-shaped connecting piece, and the groove V is connected with the other end of the C-shaped connecting piece in a sliding mode.
Further, the mounting seat II is provided with a groove VI with an opening at the upper end.
Furthermore, the locking block is vertically and slidably arranged in the groove VI and is provided with a plurality of through holes II; a plurality of bolts are movably arranged in the through holes II, and the lower end parts of the bolts are fixedly connected with the mounting base II; and a spring is sleeved at the position of the bolt between the locking block and the mounting seat II.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, by adopting the oil cylinder and the locking assembly, automatic locking and unlocking are realized, the phenomenon that the core-pulling slide block retreats due to overlarge injection pressure in injection molding production is effectively prevented, and the production quality of products is ensured; meanwhile, the core pulling mechanism is simple in structure and small in overall size, compared with a mechanical slider core pulling mode, a template is not required to be added, the problem that a larger injection molding machine is required due to increase of the thickness of a mold is effectively solved, production cost is saved, and economic benefits of enterprises are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1 (template not shown);
fig. 3 is an enlarged view of fig. 1 at B.
The labels in the figure are:
1. template 2, mold core 3, spout I4, slider mold insert
5. Shovel machine 6, locking slide 7, mount pad I8, hydro-cylinder
9. Sliding chute II 10, through hole I11, C-shaped connecting piece 12 and sliding chute III
13. Groove I14, groove II 15, groove III 16 and locking block
17. Mounting seat II 18, boss I19, boss II 20 and mounting groove
21. T-shaped connecting block 22, groove IV 23, groove V24 and groove VI
25. Through hole II 26, bolt 27 and spring
Detailed Description
A slide block anti-retreating mechanism of a small oil cylinder of an injection mold comprises a template 1, a mold core 2, a slide block insert 4 and a locking assembly.
As shown in fig. 1, the upper end surface of the template 1 is provided with a fixing groove for installing the mold core 2, the lower end surface of the fixing groove is vertically provided with a sliding groove i 3, and the sliding groove i 3 is cubic.
The slide block insert 4 consists of an insert seat and an insert; the insert seat is a cube with the shape and size matched with the sliding chute I3, and the lower end face of the insert seat is an inclined plane; the insert is vertically and fixedly arranged on the upper end surface of the insert seat, and the upper end surface of the insert extends to the upper end surface of the mold core 2 through the through hole of the mold core 2 in the mold closing state.
As shown in FIGS. 1 and 2, the locking assembly comprises a shovel machine 5, a locking slide block 6, a locking block assembly, a mounting seat I7 and an oil cylinder 8.
As shown in fig. 1, a mounting seat i 7 is fixedly mounted on the lower end surface of the formwork 1, and is located below the chute i 3; the upper end face of the mounting seat I7 is provided with a rectangular sliding groove II 9, one side of the sliding groove II 9, which is close to the side end face of the template 1, is provided with an opening, and the sliding groove II 9 is communicated with the sliding groove I3; the lower end face of the mounting seat I7 is provided with a through hole I10 for mounting a locking block assembly.
As shown in fig. 1, the oil cylinder 8 is fixedly installed at a side position of the formwork 1, a piston rod of the oil cylinder 8 horizontally extends into the sliding chute ii 9 through an opening of the sliding chute ii 9 in an extended state, and a T-shaped connecting block 21 for connecting the locking slide block 6 is fixedly installed at an end of the piston rod of the oil cylinder 8.
As shown in fig. 1 and 2, the locking slider 6 is a rectangular parallelepiped and is slidably mounted inside the mounting seat i 7. As shown in fig. 2, the upper end surface of the locking slide block 6 is provided with a T-shaped mounting groove 20, and the size of the mounting groove 20 is adapted to the size of the T-shaped connecting block 21; the locking slide block 6 is fixedly connected with the piston rod of the oil cylinder 8 in a mode that the T-shaped connecting block 21 is inserted into the mounting groove 20; the horizontal reciprocating action of the locking slide block 6 is realized through the extension and contraction of the oil cylinder 8. Two side end faces of the locking slide block 6 are respectively provided with an L-shaped groove IV 22 which is fixedly connected with one end of the C-shaped connecting piece 11.
As shown in fig. 1 and 2, the shovel machine 5 is a cylinder with a right trapezoid bottom surface, is slidably mounted inside the mounting seat i 7, and is located inside the locking slider 6; the inclined angle of the inclined plane of the shovel machine 5 is equal to the inclined plane inclined angle of the lower end face of the insert seat of the slide block insert 4; a sliding groove III 12 is formed in the inclined surface of the shovel machine 5, the lower end surface of the sliding block insert 4 is slidably mounted in the sliding groove III 12, the sliding block insert 4 can move upwards along with the movement of the shovel machine 5 to the middle of the template 1, and otherwise, the sliding block insert 4 moves downwards. As shown in fig. 2, the two side end faces of the shovel 5 are respectively provided with an L-shaped groove v 23 which is connected with the other end of the C-shaped connecting piece 11 in a sliding manner, and the width of the end part of the groove v 23 is larger than that of the end part of the C-shaped connecting piece 11 connected with the groove; because the width of the end of the shovel 5 is greater than the width of the end of the C-shaped link 11 attached thereto, the horizontal movement of the shovel 5 is delayed from the horizontal movement of the locking slide 6.
As shown in fig. 3, a groove i 13 is formed in the middle of the lower end surface of the locking slider 6, and the cross section of the groove i 13 is of a trapezoidal structure; the lower end face of the locking slide block 6 is also provided with a groove II 14, and the position of the groove II 14 is located at the joint of the lower end face of the locking slide block 6 and the end face of the side of the locking slide block 6 close to one side of the shovel machine 5. The lower end face of the shovel machine 5 is provided with a groove III 15 which is positioned at the joint of the lower end face of the shovel machine 5 and the end face of the side of the shovel machine 5 close to one side of the locking slide block 6.
As shown in fig. 3, the locking block assembly includes a locking block 16 and a mounting ii 17.
The mounting seat II 17 is fixedly mounted in the through hole I10, and a groove VI 24 with an opening at the upper end is formed in the mounting seat II 17 and is communicated with the sliding groove II 9.
The locking block 16 is vertically slidably mounted in the groove VI 24, the locking block 16 is provided with two through holes II 25 for mounting bolts 26, the two through holes II 25 are respectively and movably provided with one bolt 26, the lower end of each bolt 26 penetrates through the through hole II 25 to be mounted on the mounting seat II 17, and the upper end face of each bolt 26 is not higher than the lower end parts of the bosses I18 and the bosses II 19. The part of the bolt 26 located between the locking block 16 and the mounting seat bosses I18 and II 19 is sleeved with a spring 27 for automatically adjusting the height of the locking block 16.
The upper end face of the locking block 16 is provided with a boss I18 and a boss II 19, the shape and the size of the cross section of the boss I18 are matched with those of the groove I13, and the shape and the size of the boss II 19 are matched with the space formed by the close attachment of the groove II 14 and the groove III 15. Under the mould closed state, boss I18 blocks in recess I13, and boss II 19 blocks in the space that recess II 14 and III 15 hug closely formed, accomplishes the locking action.
The working principle is as follows:
before closing the mold, a piston rod of the oil cylinder 8 horizontally extends out to drive the locking slide block 6 to horizontally move towards the middle direction of the mold plate 1 in the mounting seat II 17, the shovel machine 5 delays to move to the foremost end of the sliding chute II 9, and the slide block insert 4 is driven to vertically move upwards so that the upper end of the insert extends out of the upper end surface of the mold core 2; meanwhile, as the groove I13 moves forwards, the locking block 16 moves vertically upwards under the action of the spring 27, the boss I18 is gradually clamped into the groove I13, and the boss II 19 is gradually clamped into a space formed by the tight adhesion of the groove II 14 and the groove III 15, so that the locking action is completed;
before the mold is opened, a piston rod of an oil cylinder 8 is horizontally contracted to drive a locking slide block 6 to horizontally move towards the outer side direction of a template 1 in a mounting seat II 17, a shovel machine 5 delays to move towards the outer side of the template 1, and a slide block insert 4 is driven to vertically move downwards so that the upper end of the insert is contracted into a mold core 2; at the same time, the user can select the desired position,
because the groove I13 is descendant, the locking block 16 moves vertically downwards under the action of the spring 27, the boss I18 gradually withdraws from the groove I13, the boss II 19 gradually withdraws from a space formed by clinging the groove II 14 and the groove III 15, and the unlocking action is completed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various equivalent modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (6)
1. The utility model provides a small-size hydro-cylinder slider of injection mold prevents moving back mechanism which characterized in that: the die comprises a die plate (1) and a die core (2) arranged on the upper surface of the die plate (1), wherein the die plate (1) is provided with a sliding groove I (3);
the locking device also comprises a slide block insert (4) and a locking assembly; the lower end face of the sliding block insert (4) is an inclined plane and is slidably mounted in the sliding groove I (3); the upper end surface of the slide block insert (4) is positioned in the mold core (2);
the locking assembly comprises a shovel machine (5), a locking sliding block (6), a locking block assembly, a mounting seat I (7) and an oil cylinder (8);
the mounting seat I (7) is fixedly connected to the lower surface of the template (1) and located below the sliding groove I (3), the sliding groove II (9) is formed in the upper surface of the mounting seat I (7) and communicated with the sliding groove I (3), and a through hole I (10) is formed in the lower end surface of the mounting seat I (7);
the oil cylinder (8) is fixedly connected to the outer surface of the template (1), and a piston rod of the oil cylinder (8) extends into the sliding groove II (9);
the locking sliding block (6) is slidably arranged in the sliding groove II (9), and one end of the locking sliding block is fixedly connected with a piston rod of the oil cylinder (8);
the shovel machine (5) is slidably arranged in the sliding groove II (9) and is movably connected to the other end of the locking sliding block (6) through a C-shaped connecting piece (11); the upper end face of the shovel machine (5) is an inclined face, a sliding groove III (12) is formed in the inclined face, and the lower end face of the sliding block insert (4) is arranged in the sliding groove III (12) in a sliding mode;
a groove I (13) is formed in the lower end face of the locking sliding block (6), and the groove I (13) is trapezoidal; a groove II (14) is formed in one side, close to the shovel machine (5), of the lower end face of the locking sliding block (6); a groove III (15) is formed in one side, close to the locking sliding block (6), of the lower end face of the shovel machine (5);
the locking block assembly comprises a locking block (16) and a mounting seat II (17); the mounting seat II (17) is fixedly connected in the through hole I (10); the locking block (16) is movably arranged on the mounting seat II (17); the upper end surface of the locking block (16) is provided with a boss I (18) and a boss II (19); the boss I (18) is clamped in the groove I (13) during die assembly, the groove II (14) is tightly attached to the groove III (15) during die assembly, and the boss II (19) is clamped in a space formed by tightly attaching the groove II (14) to the groove III (15).
2. The injection mold small cylinder slide block anti-receding mechanism as claimed in claim 1, characterized in that: the locking slide block (6) is provided with a T-shaped mounting groove (20), and a piston rod of the oil cylinder (8) is fixedly connected with a T-shaped connecting block (21); the oil cylinder (8) is inserted into the mounting groove (20) through the connecting block (20) and connected with the locking sliding block (6).
3. The injection mold small cylinder slide block anti-receding mechanism as claimed in claim 2, characterized in that: two side end faces of the locking sliding block (6) are respectively provided with a groove IV (22), and the groove IV (22) is fixedly connected with one end of the C-shaped connecting piece (11).
4. The injection mold small cylinder slide block anti-receding mechanism as claimed in claim 1, characterized in that: the end faces of two sides of the shovel (5) are respectively provided with a groove V (23), the width of each groove V (23) is larger than the width of the end part of the C-shaped connecting piece (11), and the grooves V (23) are connected with the other end of the C-shaped connecting pieces (11) in a sliding mode.
5. The injection mold small cylinder slide block anti-receding mechanism as claimed in claim 4, wherein: and the mounting seat II (17) is provided with a groove VI (24) with an opening at the upper end.
6. The injection mold small cylinder slide block anti-receding mechanism as claimed in claim 1, characterized in that: the locking block (16) is vertically and slidably arranged in the groove VI (24), and a plurality of through holes II (25) are formed in the locking block (16); a plurality of bolts (26) are movably arranged in the through holes II (25), and the lower end parts of the bolts (26) are fixedly connected with the mounting base II (17); and a spring (27) is sleeved at the position, located between the locking block (16) and the mounting seat II (17), of the bolt (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122107145.XU CN215703795U (en) | 2021-09-02 | 2021-09-02 | Anti-retreating mechanism for small oil cylinder sliding block of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122107145.XU CN215703795U (en) | 2021-09-02 | 2021-09-02 | Anti-retreating mechanism for small oil cylinder sliding block of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215703795U true CN215703795U (en) | 2022-02-01 |
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ID=80011610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122107145.XU Active CN215703795U (en) | 2021-09-02 | 2021-09-02 | Anti-retreating mechanism for small oil cylinder sliding block of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215703795U (en) |
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2021
- 2021-09-02 CN CN202122107145.XU patent/CN215703795U/en active Active
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