CN223657504U

CN223657504U - Injection mold convenient to retooling

Info

Publication number: CN223657504U
Application number: CN202423054369.9U
Authority: CN
Inventors: 张小娟; 刘检; 段倩倩
Original assignee: Suzhou Jixiong Precision Machinery Co ltd
Current assignee: Suzhou Jixiong Precision Machinery Co ltd
Priority date: 2024-12-11
Filing date: 2024-12-11
Publication date: 2025-12-12
Anticipated expiration: 2034-12-11

Abstract

This utility model relates to the field of injection mold technology, specifically disclosing an injection mold that facilitates mold changing. It includes a mold body and a mold frame for mounting the mold body. A positioning component is provided between the mold body and the mold frame. The positioning component includes positioning blocks slidably connected to both sides of the mold frame, and the mold body has positioning grooves adapted to the positioning blocks, with the positioning blocks engaging with the positioning grooves. The mold frame is provided with a driving mechanism for driving the two positioning blocks to slide. When it is necessary to change the mold body, the driving mechanism drives the positioning blocks to slide out of their respective positioning grooves, allowing the mold body to be replaced. This greatly improves the efficiency of mold body replacement. Furthermore, only one driving source is needed to fix and disassemble the mold, improving efficiency while also saving costs.

Description

Injection mold convenient to retooling

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to change the mold.

Background

An injection mold is a mold widely used in industrial production, and a mold changing operation is often required in the production process. Firstly, the die change is convenient and fast, and the production efficiency can be improved. The injection mold is little at the production process often need carry out the retooling operation, if retooling operation is inconvenient, not only can waste time and human cost, can influence production efficiency moreover.

The die can be replaced quickly by replacing the die conveniently, so that the die replacing time is shortened, the production efficiency is improved, and the production benefit is increased. The die is convenient and can reduce the production cost. The die changing operation requires time and labor cost which are consumed by a human amount, and if the die changing operation is not convenient, more time and labor cost can be wasted. And the die can be replaced quickly by replacing the die conveniently, so that the production cost is reduced, and the production benefit is improved.

Injection mold among the prior art, for example, the application number is 202322181414.1, grant the chinese patent of bulletin number CN220841219U, the name is a convenient injection mold of retooling, has disclosed a convenient injection mold of retooling in the above-mentioned patent, including pneumatic tube, closing plate, pneumatic cylinder and push pedal, the pneumatic tube lower extreme outside is equipped with the closing plate, the closing plate lower extreme is equipped with the pneumatic cylinder, the pneumatic cylinder lower extreme is equipped with the bedplate, the bedplate lower extreme is equipped with the mould, the cope match-plate pattern lower extreme is equipped with the die holder, the die holder outside is equipped with the gomphosis piece, the gomphosis piece outside is equipped with the spout, the spout outside is equipped with the base, the die holder lower extreme is equipped with the carrier plate, the carrier plate lower extreme is equipped with the telescopic column, the telescopic column lower extreme is equipped with electric jar one.

In the above patent, the first electric cylinder, the second electric cylinder, the carrier plate and the push plate can move up and down to the lower die holder, so that the lower die holder can transversely push out of the upper end of the carrier plate, and the die change of a worker is facilitated. In the prior art such as the above patent, the work efficiency at the time of die change can be improved to some extent. However, in the above patent, the die change operation can be realized by adopting a plurality of groups of driving modes such as the first electric cylinder, the second electric cylinder and the hydraulic column, and the like, and because the control is performed by adopting a plurality of groups of separated driving sources, different driving sources are required to be controlled for working for a plurality of times at the moment, so that the workload of operators is increased, or a plurality of groups of driving sources are controlled by adopting a program through a system, the cost of equipment is increased at the moment, and a certain defect exists.

Disclosure of utility model

The utility model aims to provide an injection mold convenient for mold changing, so as to solve the problems in the prior art.

The injection mold comprises a mold body and a mold frame for installing the mold body, wherein a positioning assembly is arranged between the mold body and the mold frame, the positioning assembly comprises positioning blocks which are connected to two sides of the mold frame in a sliding mode, positioning grooves matched with the positioning blocks are formed in the mold body, the positioning blocks are clamped with the positioning grooves, and a driving mechanism for driving the two positioning blocks to slide is arranged on the mold frame.

Further, the driving mechanism comprises two driving screw rods which are rotatably connected to the die carrier, each positioning block is provided with a thread groove, each driving screw rod is in threaded connection with the corresponding positioning block through the corresponding thread groove, and the die carrier is provided with a driving part for driving the driving screw rods to rotate.

Further, the driving part comprises a straight gear arranged on the driving screw rod, the die frame is also connected with a driving rack in a sliding manner, the driving racks are meshed with the straight gear, the two driving racks are fixedly connected through a connecting frame, and the die frame is provided with a power piece for driving the driving racks to slide.

Further, the power piece is an air cylinder, and the output end of the air cylinder is connected with the connecting frame.

Further, the power piece comprises a pressing rod fixedly connected to the connecting frame, and a locking piece is arranged between the pressing rod and the die frame.

Further, the locking piece comprises a locking block which is vertically connected to the die carrier in a sliding mode, a pull rod is fixedly connected to the locking block, a locking spring is arranged between the locking block and the die carrier, a locking groove matched with the locking block is formed in the pressing rod, and the elastic force of the locking spring drives the locking block to be clamped in the locking groove.

Further, a limiting telescopic part is arranged between the positioning block and the die carrier.

Further, the limiting telescopic part comprises a bearing cylinder fixedly connected to the die carrier, a positioning rod is fixedly connected to the positioning block, and the positioning rod is slidably connected to the bearing cylinder.

Further, a reset spring is arranged between the positioning rod and the bearing cylinder.

Further, a handle is fixedly connected to the pressure applying rod.

Compared with the prior art, the injection mold convenient to change the mold has the beneficial effects that when the mold body needs to be changed, the driving mechanism drives the positioning block to slide out from the positioning groove, so that the mold body can be changed, the working efficiency of changing the mold body can be greatly improved at the moment, meanwhile, in the process, the fixing and the dismounting of the mold can be realized by only using one driving source, and the cost saving effect can be realized while the working efficiency is improved. After the die body is replaced, the driving mechanism drives the positioning blocks to slide again, and the positioning blocks are clamped in the corresponding positioning grooves, so that the stability of the die body during installation can be improved, and the working requirements are met.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

Fig. 2 is a schematic diagram of an internal structure of a mold frame according to an embodiment of the present utility model;

Fig. 3 is a schematic view illustrating a state in which a positioning block provided in an embodiment of the present utility model slides out of a positioning groove;

Fig. 4 is a schematic diagram of explosion state of a limiting telescopic part according to an embodiment of the present utility model;

Fig. 5 is a schematic structural diagram of a power member according to another embodiment of the present utility model.

The reference numerals are 1, a die carrier, 2, a die body, 3, a positioning groove, 4, a positioning block, 5, a driving screw rod, 6, a straight gear, 7, a driving rack, 8, a connecting frame, 9, a cylinder, 10, a bearing cylinder, 11, a return spring, 12, a positioning rod, 13, a thread groove, 14, a pressing rod, 15, a handle, 16, a locking groove, 17, a locking block, 18, a locking spring and 19, and a pull rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides an injection mold with convenient mold changing, which comprises a mold body 2 and a mold frame 1 for installing the mold body 2, wherein a positioning assembly is arranged between the mold body 2 and the mold frame 1, the positioning assembly comprises positioning blocks 4 which are connected to two sides of the mold frame 1 in a sliding manner, positioning grooves 3 which are matched with the positioning blocks 4 are formed in the mold body 2, the positioning blocks 4 are clamped with the positioning grooves 3, and a driving mechanism for driving the two positioning blocks 4 to slide is arranged on the mold frame 1.

Specifically, this injection mold convenient to retooling, including mould body 2 and be used for installing die carrier 1 of mould body 2, mould body 2 includes mould and lower mould, and wherein go up mould and last mould and be prior art, its structure and theory of operation are not described here in detail. And be provided with locating component between mould body 2 and the die carrier 1, concretely, locating component installs between lower mould and die carrier 1, can improve the stability when installing between lower mould and the die carrier 1. The positioning assembly comprises positioning blocks 4 which are slidably connected to two sides of the die frame 1, positioning grooves 3 which are matched with the positioning blocks 4 are formed in the die body 2, the positioning blocks 4 are clamped with the positioning grooves 3, the die body 2 is connected with the die frame 1 after the positioning blocks 4 are clamped with the positioning grooves 3, and when the die body 2 needs to be disassembled, the positioning blocks 4 are driven to slide out of the positioning grooves 3, so that the die body 2 can be disassembled from the die frame 1. And a driving mechanism for driving the two positioning blocks 4 to slide is arranged on the die carrier 1. Specifically, when this mould body 2 needs to be changed, drive the locating piece 4 through actuating mechanism and slide out in the constant head tank 3 of place, alright change mould body 2, can greatly improve the work efficiency of changing mould body 2 at this moment, after the completion is changed to mould body 2, drive the locating piece 4 through actuating mechanism again and slide, in the constant head tank 3 that corresponds through locating piece 4 joint, and then can improve the stability when this mould body 2 installs, satisfies the work needs.

In the embodiment provided by the utility model, the driving mechanism comprises two driving screw rods 5 rotatably connected to the die frame 1, each positioning block 4 is provided with a threaded groove 13, each driving screw rod 5 is in threaded connection with the positioning block 4 through the corresponding threaded groove 13, and the die frame 1 is provided with a driving part for driving the driving screw rods 5 to rotate. The driving part comprises a straight gear 6 arranged on the driving screw rod 5, the die frame 1 is also connected with a driving rack 7 in a sliding manner, the driving rack 7 is meshed with the straight gear 6, the two driving racks 7 are fixedly connected through a connecting frame 8, and the die frame 1 is provided with a power piece for driving the driving rack 7 to slide. Therefore, when the power piece drives the connecting frame 8 to slide, the driving rack 7 drives the driving gears to rotate, and then the two driving screw rods 5 can be driven to rotate through the spur gears 6, and the positioning blocks 4 are driven to slide through the cooperation between the driving screw rods 5 and the thread grooves 13, so that the working requirements are met. Specifically, the mounting mode of the two driving screw rods 5 is set according to the working requirement, so that the two positioning blocks 4 can slide in opposite directions.

In the embodiment provided by the utility model, the power part is the air cylinder 9, and the output end of the air cylinder 9 is connected with the connecting frame 8, so that the working efficiency can be improved.

In another embodiment provided by the utility model, the power part comprises the pressure applying rod 14 fixedly connected to the connecting frame 8, the pressure applying rod 14 is arranged to achieve the effect of saving cost, the practicability of the injection mold is further improved, and the locking part is arranged between the pressure applying rod 14 and the mold frame 1.

In the embodiment provided by the utility model, the locking piece comprises the locking block 17 vertically connected to the die frame 1 in a sliding way, the locking block 17 is fixedly connected with the pull rod 19, the locking spring 18 is arranged between the locking block 17 and the die frame 1, the pressing rod 14 is provided with the locking groove 16 matched with the locking block 17, and the elastic force of the locking spring 18 drives the locking block 17 to be clamped in the locking groove 16, so that the stability of the die body 2 during installation can be improved.

In the embodiment provided by the utility model, the limiting telescopic part is further arranged between the positioning block 4 and the die carrier 1, the limiting telescopic part comprises the bearing cylinder 10 fixedly connected to the die carrier 1, the positioning block 4 is fixedly connected with the positioning rod 12, the positioning rod 12 is slidably connected in the bearing cylinder 10, the stability of the positioning block 4 during sliding is further improved, and the use effect is better.

In the embodiment provided by the utility model, the reset spring 11 is arranged between the positioning rod 12 and the bearing cylinder 10, so that the positioning block 4 is conveniently reset.

In the embodiment provided by the utility model, the pressure applying rod 14 is fixedly connected with a handle 15, so that the pressure applying rod 14 can be conveniently driven to slide.

It should be noted that the electric equipment and the external power supply related to the application can be powered by the storage battery.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection mold convenient to retooling, including mould body (2) and die carrier (1) that are used for installing mould body (2), its characterized in that:

a positioning assembly is arranged between the die body (2) and the die frame (1);

The positioning assembly comprises positioning blocks (4) which are connected to two sides of the die frame (1) in a sliding manner, positioning grooves (3) which are matched with the positioning blocks (4) are formed in the die body (2), and the positioning blocks (4) are clamped with the positioning grooves (3);

The die carrier (1) is provided with a driving mechanism for driving the two positioning blocks (4) to slide.

2. The injection mold convenient for mold changing according to claim 1, wherein the driving mechanism comprises two driving screw rods (5) rotatably connected to the mold frame (1), each positioning block (4) is provided with a thread groove (13), and each driving screw rod (5) is in threaded connection with the positioning block (4) through the corresponding thread groove (13);

And a driving part for driving the driving screw rod (5) to rotate is arranged on the die carrier (1).

3. The injection mold convenient for mold changing according to claim 2, wherein the driving part comprises a straight gear (6) arranged on a driving screw rod (5), a driving rack (7) is also connected to the mold frame (1) in a sliding manner, the driving rack (7) is meshed with the straight gear (6), and the two driving racks (7) are fixedly connected through a connecting frame (8);

The die carrier (1) is provided with a power piece for driving the driving rack (7) to slide.

4. The injection mold convenient to mold change according to claim 3, wherein the power piece is a cylinder (9), and the output end of the cylinder (9) is connected with the connecting frame (8).

5. An injection mold facilitating mold changing according to claim 3, wherein the power member comprises a pressing rod (14) fixedly connected to the connecting frame (8), and a locking member is arranged between the pressing rod (14) and the mold frame (1).

6. The injection mold convenient to mold change according to claim 5, wherein the locking piece comprises a locking block (17) vertically connected to the mold frame (1) in a sliding mode, a pull rod (19) is fixedly connected to the locking block (17), a locking spring (18) is arranged between the locking block (17) and the mold frame (1), a locking groove (16) matched with the locking block (17) is formed in the pressing rod (14), and the elastic force of the locking spring (18) drives the locking block (17) to be clamped in the locking groove (16).

7. The injection mold convenient for mold changing according to claim 2, wherein a limiting telescopic part is further arranged between the positioning block (4) and the mold frame (1).

8. The injection mold convenient to mold change according to claim 7, wherein the limiting telescopic part comprises a bearing cylinder (10) fixedly connected to the mold frame (1), the positioning block (4) is fixedly connected with a positioning rod (12), and the positioning rod (12) is slidably connected in the bearing cylinder (10).

9. An injection mould facilitating mould changing according to claim 8, wherein a return spring (11) is arranged between the locating lever (12) and the carrier (10).

10. An injection mold facilitating mold change according to claim 5, wherein a grip (15) is fixedly connected to the pressing rod (14).