CN221365602U

CN221365602U - Injection mold of product structure capable of preventing mold from being blocked

Info

Publication number: CN221365602U
Application number: CN202323216420.7U
Authority: CN
Inventors: 杨荣兵; 杨荣建; 杨霞; 杨阵云
Original assignee: Dongguan Fuzhiyu Handicraft Co ltd
Current assignee: Dongguan Fuzhiyu Handicraft Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-07-19
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses an injection mold of a product structure for preventing a mold from being blocked, and relates to the technical field of injection molds. When the injection mold of the product structure for preventing the mold from being blocked is used, firstly, a bidirectional motor is started, the double-shaft output structural characteristic of the bidirectional motor enables the bidirectional motor to synchronously drive driving bevel gears at two ends to rotate, the driving bevel gears realize rotary transmission through meshing with circumferential gear teeth of driven bevel gears, meanwhile, the driven bevel gears synchronously drive screw positioning columns through screw holes, and the screw positioning columns penetrate through guide sleeves at the bottom end of the inside of a machine case and move downwards under the sliding fit of limiting pins and limiting grooves at two sides.

Description

Injection mold of product structure capable of preventing mold from being blocked

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold of a product structure for preventing a mold from being blocked.

Background

The injection molding method is characterized by that it is a high-speed, high-efficiency and automatic operation, its product size is accurate, and its product size is easy to update, and can be used for forming product with complex shape.

The upper and lower molds of the existing injection mold are usually fixed by inserting the guide post into the upper and lower molds, and when the mold is formed and retreated, the guide post is rotated to be removed, if the upper and lower molds are offset, the cutting surface of the guide post is easy to be blocked with the upper and lower molds, so that the upper and lower molds are difficult to separate, the upper and lower molds are required to be manually detached for maintenance, and a large amount of time is required to be consumed.

Accordingly, in view of the above, an improvement of the existing structure is made, and an injection mold with a product structure for preventing the mold from seizing is proposed.

Disclosure of utility model

The utility model aims to provide an injection mold of a product structure for preventing a mold from being blocked, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold of product structure that anti-sticking model card was dead, includes base and anti-sticking subassembly, base bilateral symmetry fixed mounting has the guide pillar, and the fixed connection in both sides guide pillar top end, anti-sticking subassembly symmetry fixed mounting is in the end plate both sides, anti-sticking subassembly includes quick-witted case, spacing groove, guide pin bushing, diaphragm, driven bevel gear, screw hole, screw rod reference column, spacer pin, drive bevel gear and bi-directional motor, the spacing groove has been seted up to quick-witted incasement portion bilateral symmetry, and quick-witted incasement portion bottom fixed mounting has the cavity guide pin bushing, the cross plate is transversely fixed with the diaphragm in the middle part of the machine case, and the diaphragm bottom rotates and install driven bevel gear, threaded hole has been seted up in the middle part of the driven bevel gear, and screw hole inside screw thread fit has the screw rod reference column, screw rod reference column top fixed mounting has the spacer pin, and spacer pin and both sides spacing groove sliding fit, drive bevel gear is installed in the meshing of driven bevel gear right side bottom, and drive bevel gear fixed connection is in bi-directional motor output.

As the preferable technical scheme, the bidirectional motor is driven to rotate through the driving bevel gear to the driven bevel gear, and the driven bevel gear is driven to screw rod positioning columns through the threaded holes.

As the preferable technical scheme, the base is fixedly provided with a static die holder at the middle end, and lower guide holes are symmetrically arranged on two sides of the static die holder.

As the preferable technical scheme, the bottom inside the lower guide hole is provided with a travel switch, and the travel switch is matched with a contact at the bottom of the screw positioning column.

As the preferable technical scheme, two oil cylinders are fixedly arranged at the bottom end of the end plate, and the output end of the bottom of the oil cylinder is fixedly connected with a sliding plate.

As the preferable technical scheme, the sliding plate is in sliding fit with the guide posts on two sides, and the bottom end of the sliding plate is fixedly provided with a movable die holder.

As an optimal technical scheme, the two sides of the movable die holder are provided with upper guide holes in a penetrating mode, and the upper guide holes, the lower guide holes and the guide sleeve are positioned on the same central axis.

Compared with the prior art, the utility model has the following beneficial effects:

1. When the die clamping machine is used, the bidirectional motor is started, the two-shaft output structural characteristic of the bidirectional motor enables the bidirectional motor to synchronously drive the driving bevel gears at two ends to rotate, the driving bevel gears realize rotary transmission through meshing with the circumferential gear teeth of the driven bevel gears, meanwhile, the driven bevel gears synchronously transmit the driving bevel gears to the screw positioning columns through screw threads through screw holes, the screw positioning columns penetrate through guide sleeves at the bottom end of the inside of the machine case and move downwards under the sliding fit of limiting pins and limiting grooves at two sides, and due to the structural arrangement that the upper guide holes, the lower guide holes and the guide sleeves are positioned on the same central axis, the screw positioning columns penetrate through the movable die holder and finally collide with travel switches at the bottom ends of the lower guide holes at two sides of the static die holder, so that the correct die clamping route of the movable die holder and the static die holder at the moment is confirmed, and the deviation of the positions of the movable die holder and the static die holder in the die clamping process is prevented, on one hand, the abnormal molding of products is prevented, and on the other hand, the clamping of the two die holders in the die stripping process is prevented;

2. When the die clamping device is used, a user receives feedback of the travel switch through the central control computer, confirms that a die clamping route is correct, drives the movable die holder to move towards the static die holder through the oil cylinder and clamps the dies, the sliding plate is in sliding fit with the guide posts on the two sides, further ensures the accuracy of the die clamping positions of the movable die holder and the static die holder, and after injection molding is finished, the screw positioning posts are separated from the upper die holder and the lower die holder under the action of the anti-clamping assembly, and the upper die holder and the lower die holder are separated through the pulling of the oil cylinder.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of the internal structure of the anti-seizing assembly of the present utility model.

Reference numerals in the drawings: 1. a base; 2. static die holder; 3. a lower guide hole; 4. a travel switch; 5. a guide post; 6. an end plate; 7. an oil cylinder; 8. a slide plate; 9. a movable die holder; 10. an upper guide hole;

11. An anti-seize assembly; 1101. a chassis; 1102. a limit groove; 1103. guide sleeve; 1104. a cross plate; 1105. a driven bevel gear; 1106. a threaded hole; 1107. a screw positioning column; 1108. a limiting pin; 1109. driving a bevel gear; 1110. a bi-directional motor.

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.

Examples: as shown in fig. 1 to 4, the utility model provides an injection mold of a product structure for preventing model sticking, which comprises a base 1 and an anti-sticking component 11, wherein guide posts 5 are symmetrically and fixedly arranged at two sides of the base 1, the top ends of the guide posts 5 at two sides are fixedly connected with an end plate 6, the anti-sticking component 11 is symmetrically and fixedly arranged at two sides of the end plate 6, the anti-sticking component 11 comprises a machine case 1101, a limit groove 1102, a guide sleeve 1103, a transverse plate 1104, a driven bevel gear 1105, a threaded hole 1106, a screw positioning column 1107, a limit pin 1108, a driving bevel gear 1109 and a bidirectional motor 1110, limit grooves 1102 are symmetrically arranged at two sides in the machine case 1101, a hollow guide sleeve 1103 is fixedly arranged at the bottom end in the machine case 1101, a transverse plate 1104 is transversely fixed at the middle part of the machine case 1101, a driven bevel gear 1105 is rotatably arranged at the bottom of the transverse plate 1104, a threaded hole 1106 is formed in the middle of the driven bevel gear 1105, the threaded hole 1106 is internally in threaded fit with the screw positioning column 1107, a limit pin 1108 is fixedly arranged at the top end of the screw positioning column 1107, the limit pin 1108 is in sliding fit with the two side limit grooves 1102, the right bottom of the driven bevel gear 1109 is meshed with the driving bevel gear 1109, the driving bevel gear 1110 is fixedly connected with the driving bevel gear 1109, and the driving bevel gear 1109 is driven to the bidirectional bevel gear 1109 through the bidirectional drive through the driving of the screw positioning column 1109;

In this embodiment, firstly, the bidirectional motor 1110 is started, the structural characteristics of the biaxial output of the bidirectional motor 1110 enable the bidirectional motor to synchronously drive the driving bevel gears 1109 at two ends to rotate, the driving bevel gears 1109 realize rotary transmission through meshing with the circumferential gear teeth of the driven bevel gears 1105, meanwhile, the driven bevel gears 1105 synchronously realize threaded transmission to the screw positioning columns 1107 through the threaded holes 1106, under the sliding fit of the limiting pins 1108 and the limiting grooves 1102 at two sides, the screw positioning columns 1107 penetrate through the guide sleeves 1103 at the bottom end inside the chassis 1101 and move downwards, and due to the structural arrangement of the upper guide holes 10, the lower guide holes 3 and the guide sleeves 1103 on the same central axis, the screw positioning columns 1107 penetrate through the movable die holder 9 and finally collide with the travel switches 4 at the bottom ends of the lower guide holes 3 at two sides of the static die holder 2, so that the movable die holder 9 and the static die holder 2 are confirmed to be correct in a die closing route at the moment, and the position offset of the movable die holder 9 and the static die holder 2 is prevented in the die closing process, on one hand, on the other hand, the abnormal molding of products is prevented, after the die locking of the two is prevented, the die locking assemblies 11 are acted, the screw positioning columns 1107 are firstly separated from the upper die holder and then pulled from the lower die holder 7, and then the upper die positioning columns 7 are pulled through the oil cylinder 7, so that the upper die positioning columns are prevented from being offset and the die carrier and the die positioning columns are also convenient to be replaced by the die positioning columns.

Examples: as shown in fig. 1 to 2, a stationary die holder 2 is fixedly arranged at the middle end of a base 1, lower guide holes 3 are symmetrically formed in two sides of the stationary die holder 2, a travel switch 4 is arranged at the bottom end inside the lower guide holes 3, the travel switch 4 is matched with a contact at the bottom end of a screw positioning column 1107, two oil cylinders 7 are fixedly arranged at the bottom end of an end plate 6, a sliding plate 8 is fixedly connected to the output end of the bottom of each oil cylinder 7, the sliding plate 8 is in sliding fit with guide posts 5 on two sides, a movable die holder 9 is fixedly arranged at the bottom end of each sliding plate 8, upper guide holes 10 are formed in two sides of the movable die holder 9 in a penetrating manner, and the upper guide holes 10, the lower guide holes 3 and a guide sleeve 1103 are positioned on the same central axis;

in the embodiment, when a user receives feedback of the travel switch 4 through the central control computer and confirms that the die closing route is correct, the oil cylinder 7 drives the movable die holder 9 to move towards the static die holder 2 and clamp the die, the sliding plate 8 is in sliding fit with the guide posts 5 on the two sides, and the die closing position of the movable die holder 9 and the static die holder 2 is further ensured to be accurate.

The working principle of the utility model is as follows: when the injection mold with the product structure capable of preventing the mold from being blocked is used, firstly, a bidirectional motor 1110 is started, the double-shaft output structural characteristic of the bidirectional motor is used for synchronously driving a driving bevel gear 1109 at two ends to rotate, the driving bevel gear 1109 realizes rotation transmission through meshing with circumferential gear teeth of a driven bevel gear 1105, meanwhile, the driven bevel gear 1105 synchronously transmits to a screw positioning column 1107 through a threaded hole 1106, under the sliding fit of a limiting pin 1108 and limiting grooves 1102 at two sides, the screw positioning column 1107 passes through a guide sleeve 1103 at the bottom end inside a machine box 1101 and moves downwards, due to the structural arrangement that an upper guide hole 10, a lower guide hole 3 and the guide sleeve 1103 are positioned on the same central axis, the screw positioning column 1107 can penetrate through a movable mold seat 9 and finally collide with a travel switch 4 at the bottom end of the lower guide hole 3 at two sides of a static mold seat 2, the correct mold closing route of the movable mold seat 9 and the static mold seat 2 is confirmed, the utility model prevents the deviation of the positions of a movable die holder 9 and a static die holder 2 in the die assembly process, prevents the abnormal shaping of products on the one hand, prevents the clamping of the movable die holder 9 and the static die holder 2 during the die assembly process, prevents the upper die holder and the lower die holder from being separated by the pulling of an anti-clamping component 11 after the injection molding is finished, and also can avoid the clamping caused by the deviation of guide posts by driving a positioning rod and a positioning sleeve originally integrated in the upper die holder and the lower die holder to move outside the die on the one hand through an oil cylinder 7 when a user receives the feedback of a travel switch 4 and confirms the correct die assembly route and drives the movable die holder 9 to move towards the static die holder 2 for die assembly while a sliding plate 8 is in sliding fit with guide posts 5 on the two sides, further ensures the accuracy of the die assembly position of the movable die holder 9 and the static die holder 2, on the other hand, the maintenance and replacement of a user are facilitated, and the applicability is stronger.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold of dead product structure of anti-sticking model, its characterized in that, including base (1) and anti-sticking subassembly (11), limit groove (1102) have been seted up to base (1) bilateral symmetry fixed mounting has guide pillar (5), and the fixedly connected with end plate (6) in both sides guide pillar (5) top, anti-sticking subassembly (11) symmetry fixed mounting is in end plate (6) both sides, anti-sticking subassembly (11) include quick-witted case (1101), spacing groove (1102), guide pin bushing (1103), diaphragm (1104), driven bevel gear (1105), screw hole (1106), screw rod reference column (1107), spacer pin (1108), drive bevel gear (1109) and bi-directional motor (1110), spacing groove (1102) have been seted up to the inside bilateral symmetry of machine case (1101), and quick-witted case (1101) inside bottom fixed mounting has cavity guide pin bushing (1103), quick-witted case (1101) middle part is transversely fixed with diaphragm (1104), and driven bevel gear (1106) bottom rotation is installed driven bevel gear (1106), threaded hole (1106) middle part is seted up screw rod reference column (1107) inside screw thread fit, top (1107) and spacer pin (1107) fixed mounting spacing groove (1107) and spacer pin (1107), the right bottom of the driven bevel gear (1105) is provided with a driving bevel gear (1109) in a meshed mode, and the driving bevel gear (1109) is fixedly connected to the output end of the bidirectional motor (1110).

2. The injection mold of a mold-sticking prevention product structure according to claim 1, wherein the bi-directional motor (1110) is rotationally driven to the driven bevel gear (1105) through a driving bevel gear (1109), and the driven bevel gear (1105) is screw-driven to the screw positioning column (1107) through a screw hole (1106).

3. The injection mold of the product structure capable of preventing mold clamping according to claim 1, wherein the stationary mold base (2) is fixedly arranged in the base (1), and lower guide holes (3) are symmetrically formed in two sides of the stationary mold base (2).

4. An injection mold for a mold-sticking prevention product structure according to claim 3, wherein a travel switch (4) is provided at the inner bottom end of the lower guide hole (3), and the travel switch (4) is matched with a contact at the bottom end of the screw positioning column (1107).

5. The injection mold of the product structure capable of preventing the mold from being blocked according to claim 1, wherein two oil cylinders (7) are fixedly arranged at the bottom end of the end plate (6), and a sliding plate (8) is fixedly connected to the output end of the bottom of each oil cylinder (7).

6. The injection mold of the product structure capable of preventing mold clamping according to claim 5, wherein the sliding plate (8) is in sliding fit with the guide posts (5) on two sides, and a movable mold base (9) is fixedly arranged at the bottom end of the sliding plate (8).

7. The injection mold of claim 6, wherein the upper guide holes (10) are formed through two sides of the movable mold base (9), and the upper guide holes (10), the lower guide holes (3) and the guide sleeve (1103) are located on the same central axis.