CN220331856U - Oil cylinder core-pulling and retaining mechanism for automobile injection molding part mold - Google Patents
Oil cylinder core-pulling and retaining mechanism for automobile injection molding part mold Download PDFInfo
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- CN220331856U CN220331856U CN202321872025.1U CN202321872025U CN220331856U CN 220331856 U CN220331856 U CN 220331856U CN 202321872025 U CN202321872025 U CN 202321872025U CN 220331856 U CN220331856 U CN 220331856U
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000013519 translation Methods 0.000 claims abstract description 98
- 239000008188 pellet Substances 0.000 claims description 10
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an oil cylinder core-pulling and retaining mechanism for an automobile injection molding part mold, and belongs to the technical field of molds. The sliding block comprises a core block, a sliding seat connected with the core block, and a sliding driving assembly capable of driving the sliding seat to reciprocate along the horizontal direction, wherein a guide inclined plane is obliquely arranged on the upper end face of the sliding seat, and the bottom end of the core block is abutted against the guide inclined plane. When injection molding is performed, the acting force of the cavity pressure on the core block is perpendicular to the guide inclined plane, and when the acting force acts on the guide inclined plane, the acting force can also apply a thrust force parallel to the moving direction of the translation seat to the translation seat, and the part of the acting force can cause the translation driving assembly to have a withdrawal risk, and the arrangement of the force unloading structure can enable the core block to apply an acting force opposite to the thrust force to counteract the thrust force when being stressed by the core block, so that the acting force applied by the translation driving assembly is reduced to prevent the core block from withdrawing.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an oil cylinder core-pulling and retaining mechanism for an automobile injection molding part mold.
Background
Because the cavity pressure in the cavity is larger during injection molding of the die, the die which adopts the oil cylinder to drive the core block to loose core is easy to cause the problem of products due to the withdrawal of the oil cylinder, and the probability of the withdrawal of the oil cylinder can be greatly reduced by adopting the inclined guide structure to connect the oil cylinder and the core block, but although the inclined guide structure can offset the acting force of part of the cavity pressure, part of the acting force can be applied to the oil cylinder, and the withdrawal risk of the oil cylinder still exists.
For example, chinese patent discloses an oblique core pulling mechanism and mold [ application number: 202121946825.4, which comprises a guide piece, a driving component and an inclined core-pulling piece which is obliquely arranged, wherein the driving component is connected with the inclined core-pulling piece and is used for driving the inclined core-pulling piece to move along the length direction of the inclined core-pulling piece; the guide piece is provided with a guide inclined plane which is matched with the inclined core-pulling piece in a sliding way. The die comprises a movable die and a fixed die, wherein the movable die comprises a movable die body and the inclined core-pulling mechanism, the movable die body is provided with an inclined inserting hole, the inclined core-pulling mechanism is arranged on the movable die body, an inclined core-pulling member of the inclined core-pulling mechanism is inserted into the inclined inserting hole, and a forming part of the inclined core-pulling member extends out of a movable die core of the movable die body inwards, but the problems are also solved.
Disclosure of Invention
The utility model aims to solve the problems and provides an oil cylinder core-pulling and back-stopping mechanism for an automobile injection molding die.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an automotive injection molding is hydro-cylinder stopping mechanism of loosing core for mould, includes the pellet and the translation seat that links to each other with the pellet, still including the translation drive assembly that can drive translation seat along horizontal direction reciprocating motion, the up end slope of translation seat be provided with the direction inclined plane, pellet bottom and direction inclined plane offset, the pellet can follow perpendicular to direction inclined plane direction and reciprocate when translation seat horizontal migration, the direction inclined plane on still be equipped with and unload the power structure.
In the oil cylinder core-pulling stopping mechanism for the automobile injection molding part die, the force-unloading structure comprises an inclined support surface, the inclined support surface is concavely arranged at the top end of the guide inclined surface, the inclined support surface is parallel to the guide inclined surface, and a force-unloading surface capable of propping against the core block is formed at the joint of the guide inclined surface and the inclined support surface.
In the oil cylinder core-pulling stop mechanism for the automobile injection molding part die, the bottom end of the core block is provided with the upper inclined surface which is arranged corresponding to the unloading force.
In the oil cylinder core-pulling stopping mechanism for the automobile injection molding part die, the guide inclined plane is also provided with the guide limiting block with the T-shaped section, the guide limiting block and the guide inclined plane are arranged in parallel, and the bottom of the core block is inwards concavely provided with the guide sliding groove corresponding to the guide limiting block.
In the oil cylinder core-pulling stopping mechanism for the automobile injection molding part die, the guide inclined plane is provided with the inwards-sunken limiting block mounting groove, and the bottom end of the guide limiting block is inserted into the limiting block mounting groove.
In the oil cylinder core-pulling stop mechanism for the automobile injection molding part die, the guide limiting block is detachably connected with the translation seat through a plurality of bolts.
In the cylinder core-pulling stop mechanism for the automobile injection molding part die, the translation driving assembly comprises a linear driver, and the end part of an output shaft of the linear driver is connected with the translation seat.
In the oil cylinder core-pulling stop mechanism for the automobile injection molding part die, two core blocks are arranged, and two guide inclined planes corresponding to the two core blocks are arranged at the top of the translation seat.
In the oil cylinder core-pulling stop mechanism for the automobile injection molding part die, the translation seat is formed by combining two core-pulling seats, the upper end face of each core-pulling seat is provided with a guide inclined plane, and the two core-pulling seats are fixed through a cross connecting piece.
In the oil cylinder core-pulling stop mechanism for the automobile injection molding part die, one end, far away from the cross connecting piece, of the core-pulling seat is provided with the limiting plate in a protruding mode.
Compared with the prior art, the utility model has the advantages that:
1. the translation driving component can drive the translation seat to reciprocate along the horizontal direction so as to drive the core block to move up and down along the direction vertical to the guide inclined plane, so that core pulling of the core block is realized, when injection molding is performed, the acting force applied to the core block by cavity pressure is vertical to the guide inclined plane, the acting force acts on the guide inclined plane or can apply thrust parallel to the movement direction of the translation seat to the translation seat, the part of the acting force can cause the translation driving component to have a withdrawal risk, and the setting of the force unloading structure can apply acting force opposite to the thrust to the translation seat when the core block is stressed so as to offset the thrust, so that the acting force applied to the translation driving component is reduced so as to prevent the core block from withdrawing.
2. When injection molding is performed, the acting force exerted on the core block by the cavity pressure is perpendicular to the guide inclined plane and the acting force direction is downward, at the moment, the translation seat can receive a thrust force which is parallel to the translation driving assembly and is directed away from one side of the translation driving assembly, the core block and the force unloading surface are propped against each other, so that a part of the acting force received by the core block can be applied to the force unloading surface, the force unloading surface can generate a reaction force which is parallel to the translation driving assembly and is directed towards one side close to the translation driving assembly, and the thrust force or part of the thrust force can be counteracted through the reaction force, so that the acting force received by the translation driving assembly is reduced to prevent the core block from backing.
3. The upper inclined surface is matched with the force unloading surface, so that a reaction force parallel to the translation driving assembly and oriented to one side close to the translation driving assembly can be applied to the translation seat, the process of moving the core block from the inclined support surface to the guide inclined surface is smoother, and the phenomenon of blocking cannot occur.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
FIG. 3 is a partial three-dimensional view of the present utility model;
fig. 4 is a cross-sectional view of the present utility model.
In the figure, a core block 1, a translation seat 2, a translation driving component 3, a guide inclined plane 4, a force unloading structure 5, an inclined support surface 6, a force unloading surface 7, an upper inclined plane 8, a guide limiting block 9, a guide sliding chute 10, a limiting block mounting groove 11, a linear driver 12, a core pulling seat 13, a cross connecting piece 14 and a limiting plate 15.
Detailed Description
As shown in fig. 1-4, an oil cylinder core-pulling stopping mechanism for an automobile injection molding part mold comprises a core block 1, a translation seat 2 connected with the core block 1, and a translation driving assembly 3 capable of driving the translation seat 2 to reciprocate along the horizontal direction, wherein the upper end face of the translation seat 2 is obliquely provided with a guide inclined plane 4, the bottom end of the core block 1 is abutted against the guide inclined plane 4, when the translation seat 2 horizontally moves, the core block 1 can move up and down along the direction vertical to the guide inclined plane 4, and the guide inclined plane 4 is also provided with a force unloading structure 5.
In the utility model, the translation driving component 3 can drive the translation seat 2 to reciprocate along the horizontal direction so as to drive the core block 1 to move up and down along the direction vertical to the guide inclined plane 4, so that core pulling of the core block is realized, when injection molding is performed, the acting force exerted on the core block 1 by cavity pressure is vertical to the guide inclined plane 4, and when the acting force acts on the guide inclined plane, the acting force can also exert thrust force parallel to the movement direction of the translation seat on the translation seat, and part of the acting force can cause the translation driving component to have a withdrawal risk, and the setting of the force unloading structure can exert reaction force opposite to the thrust force on the translation seat when the core block is stressed so as to offset the thrust force, so that the acting force exerted by the translation driving component is reduced so as to prevent the core block from withdrawing.
Specifically, referring to fig. 1 to 4, the force unloading structure 5 includes an inclined support surface 6, the inclined support surface 6 is concavely disposed at the top end of the guiding inclined surface 4, the inclined support surface 6 is parallel to the guiding inclined surface 4, and a force unloading surface 7 capable of propping against the core block 1 is formed at the joint of the guiding inclined surface 4 and the inclined support surface 6. During injection molding, the acting force exerted on the core block 1 by the cavity pressure is perpendicular to the guiding inclined plane 4 and the acting force direction is downward, at this time, the translation seat can receive a thrust force parallel to the translation driving assembly and directed away from one side of the translation driving assembly, and the core block and the force unloading surface are offset to enable a part of the acting force received by the core block to be applied to the force unloading surface, and the force unloading surface can generate a reaction force parallel to the translation driving assembly and directed towards one side close to the translation driving assembly, so that the thrust force can be offset or part of the thrust force can be offset through the reaction force, and the acting force received by the translation driving assembly is reduced to prevent the core block from backing.
Specifically, the bottom end of the core block 1 is provided with an upper inclined plane 8 which is arranged corresponding to the force unloading surface 7. The upper inclined surface 8 is matched with the force unloading surface 7, so that a reaction force parallel to the translation driving assembly and oriented to one side close to the translation driving assembly can be applied to the translation seat, and the process of moving the core block from the inclined support surface 6 to the guide inclined surface is smoother, so that the phenomenon of blocking does not occur.
Specifically, as shown in fig. 1-4, the guide inclined plane 4 is further provided with a guide limiting block 9 with a T-shaped section, the guide limiting block 9 and the guide inclined plane 4 are arranged in parallel, and the bottom of the core block 1 is concavely provided with a guide chute 10 corresponding to the guide limiting block 9. The guide limiting block 9 is matched with the guide chute 10, so that the displacement of the core block and the translation seat in the direction vertical to the guide inclined plane can be prevented, and the core block can be pulled out downwards through the matching of the guide limiting block 9 and the guide chute 10 during core pulling.
Preferably, the guide inclined plane 4 is provided with an inwards concave limit block mounting groove 11, the bottom end of the guide limit block 9 is inserted into the limit block mounting groove 11, and the guide limit block 9 is detachably connected with the translation seat 2 through a plurality of bolts. The guide limiting block 9 and the translation seat 2 can be detachably connected, so that the disassembly, the maintenance and the replacement can be conveniently performed.
Specifically, as shown in connection with fig. 1 and 3, the translation driving assembly 3 includes a linear actuator 12, and an output shaft end of the linear actuator 12 is connected to the translation stage 2. The linear driver can drive the translation seat to reciprocate along a straight line.
Those skilled in the art will appreciate that the linear actuator may be a cylinder, a linear motor, or the like.
Specifically, as shown in fig. 1-4, two pellets 1 are provided, and two guiding inclined planes 4 corresponding to the two pellets 1 are provided at the top of the translation seat 2. The translation seat can drive two core blocks to move simultaneously when moving, and the die cost can be reduced.
Preferably, as shown in fig. 1-4, the translation seat 2 is formed by combining two core pulling seats 13, the upper end surface of each core pulling seat 13 is provided with a guide inclined plane 4, and the two core pulling seats 13 are fixed through a cross connecting piece 14. The translation seat formed by combining the two loose core seats can reduce maintenance and replacement cost when damage occurs.
Preferably, the core pulling seat 13 is provided with a limiting plate 15 in a protruding mode at one end away from the cross connecting piece 14. The limiting plate is matched with a limiting structure on the die, so that the translation seat formed by combining the two core-pulling seats can be limited.
The working principle of the utility model is as follows: the translation driving component 3 can drive the translation seat 2 to reciprocate along the horizontal direction so as to drive the core block 1 to move up and down along the direction vertical to the guide inclined plane 4, so that core pulling of the core block is realized, when injection molding is performed, the acting force exerted on the core block 1 by cavity pressure is vertical to the guide inclined plane 4, the acting force acts on the guide inclined plane or can exert thrust parallel to the movement direction of the translation seat on the translation seat, the part of the acting force can cause the translation driving component to have a withdrawal risk, and the setting of the force unloading structure can exert a reaction force opposite to the thrust on the translation seat when the core block is stressed so as to offset the thrust, so that the acting force exerted by the translation driving component is reduced so as to prevent the core block from withdrawing;
during injection molding, the acting force exerted on the core block 1 by the cavity pressure is perpendicular to the guide inclined plane 4 and the acting force direction is downward, at the moment, the translation seat can receive a thrust force which is parallel to the translation driving assembly and is directed away from one side of the translation driving assembly, the core block and the unloading surface are propped against each other, so that part of the acting force exerted on the core block can be exerted on the unloading surface, the unloading surface can generate a reaction force which is parallel to the translation driving assembly and is directed towards one side close to the translation driving assembly, the thrust force or the reaction force can be counteracted, so that the acting force exerted on the translation driving assembly is reduced, the core block is prevented from withdrawing, the upper inclined plane 8 is matched with the unloading surface 7, the reaction force which is parallel to the translation driving assembly and is directed towards one side close to the translation driving assembly can be exerted on the translation seat, and the process of the core block from the inclined support surface 6 can be more smooth, and the phenomenon of blocking cannot occur;
the guide limiting block 9 is matched with the guide sliding chute 10 to prevent the core blocks and the translation seat from being displaced in the direction perpendicular to the guide inclined plane, the core blocks can be pulled downwards through the matching of the guide limiting block 9 and the guide sliding chute 10 when the core is pulled out, the guide limiting block 9 and the translation seat 2 can be conveniently detached for maintenance or replacement through detachable connection, the linear driver can drive the translation seat to reciprocate along the linear, the translation seat can drive the two core blocks to move simultaneously when moving, the die cost can be reduced, the maintenance and replacement cost can be reduced when the translation seat formed by combining the two core pulling seats is damaged, and the limiting structure on the limiting plate matched die can limit the translation seat formed by combining the two core pulling seats.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the core block 1, the translation seat 2, the translation driving assembly 3, the guide inclined surface 4, the force discharging structure 5, the inclined support surface 6, the force discharging surface 7, the upper inclined surface 8, the guide stopper 9, the guide chute 10, the stopper mounting groove 11, the linear actuator 12, the core back seat 13, the cross connecting piece 14, the stopper plate 15, etc. are more used herein, these terms are used only for convenience in describing and explaining the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides an automotive injection molding is hydro-cylinder stopping mechanism of loosing core for mould, includes pellet (1) and translation seat (2) that link to each other with pellet (1), still including translation drive assembly (3) that can drive translation seat (2) along horizontal direction reciprocating motion, its characterized in that, the up end slope of translation seat (2) be provided with direction inclined plane (4), pellet (1) bottom and direction inclined plane (4) offset, pellet (1) can follow perpendicular to direction inclined plane (4) direction and reciprocate when translation seat (2) horizontal migration, direction inclined plane (4) on still be equipped with and unload power structure (5).
2. The cylinder core pulling and stopping mechanism for the automobile injection molding die according to claim 1, wherein the force unloading structure (5) comprises an inclined support surface (6), the inclined support surface (6) is concavely arranged at the top end of the guide inclined surface (4), the inclined support surface (6) is parallel to the guide inclined surface (4), and a force unloading surface (7) capable of propping against the core block (1) is formed at the joint of the guide inclined surface (4) and the inclined support surface (6).
3. The cylinder core-pulling stopping mechanism for the automobile injection molding die according to claim 2, wherein an upper inclined surface (8) which is arranged corresponding to the force-unloading surface (7) is arranged at the bottom end of the core block (1).
4. The cylinder core-pulling stopping mechanism for the automobile injection molding die according to claim 1 is characterized in that a guide limiting block (9) with a T-shaped section is further arranged on the guide inclined surface (4), the guide limiting block (9) and the guide inclined surface (4) are arranged in parallel, and a guide sliding groove (10) corresponding to the guide limiting block (9) is concavely arranged at the bottom of the core block (1).
5. The cylinder core-pulling stopping mechanism for the automobile injection molding die according to claim 4, wherein the guide inclined plane (4) is provided with an inwards-concave limiting block mounting groove (11), and the bottom end of the guide limiting block (9) is inserted into the limiting block mounting groove (11).
6. The cylinder core pulling and stopping mechanism for the automobile injection molding die according to claim 5, wherein the guide limiting block (9) is detachably connected with the translation seat (2) through a plurality of bolts.
7. The cylinder core pulling and stopping mechanism for the automobile injection molding die according to claim 1, wherein the translation driving assembly (3) comprises a linear driver (12), and the end part of an output shaft of the linear driver (12) is connected with the translation seat (2).
8. The cylinder core-pulling stopping mechanism for the automobile injection molding die according to claim 7, wherein two core blocks (1) are arranged, and two guide inclined planes (4) corresponding to the two core blocks (1) are arranged at the top of the translation seat (2).
9. The cylinder core-pulling stopping mechanism for the automobile injection molding die according to claim 8, wherein the translation seat (2) is formed by combining two core-pulling seats (13), the upper end face of each core-pulling seat (13) is provided with a guide inclined plane (4), and the two core-pulling seats (13) are fixed through a cross connecting piece (14).
10. The cylinder core-pulling stopping mechanism for the automobile injection molding die according to claim 9, wherein a limiting plate (15) is arranged at one end of the core-pulling seat (13) far away from the cross connecting piece (14) in a protruding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321872025.1U CN220331856U (en) | 2023-07-17 | 2023-07-17 | Oil cylinder core-pulling and retaining mechanism for automobile injection molding part mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321872025.1U CN220331856U (en) | 2023-07-17 | 2023-07-17 | Oil cylinder core-pulling and retaining mechanism for automobile injection molding part mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220331856U true CN220331856U (en) | 2024-01-12 |
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ID=89460607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321872025.1U Active CN220331856U (en) | 2023-07-17 | 2023-07-17 | Oil cylinder core-pulling and retaining mechanism for automobile injection molding part mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220331856U (en) |
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2023
- 2023-07-17 CN CN202321872025.1U patent/CN220331856U/en active Active
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