Injection mold convenient to change

Abstract

The utility model relates to the technical field of injection molds, and particularly discloses an injection mold convenient for mold replacement, which comprises a mold body and a mold frame for mounting the mold body, and a positioning component is arranged between the mold body and the mold frame; the positioning assembly comprises positioning blocks connected to the two sides of the mold frame in a sliding mode, positioning grooves matched with the positioning blocks are formed in the mold body, and the positioning blocks are connected with the positioning grooves in a clamped mode. And a driving mechanism for driving the two positioning blocks to slide is arranged on the mold frame. When the die body needs to be changed, the driving mechanism drives the positioning blocks to slide out of the positioning grooves where the positioning blocks are located, the die body can be replaced, the working efficiency of replacing the die body can be greatly improved at the moment, meanwhile, in the process, fixing and dismounting of the die can be achieved only through one driving source, and the die is convenient to use. And the working efficiency is improved, and meanwhile, the effect of saving cost can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is an injection mold convenient to change mould. BACKGROUND

[0002] Injection mold is a kind of mold widely used in industrial production, often needs to change mould in production process. First, changing mould conveniently can improve production efficiency. Injection mold often needs to change mould in production process, if changing mould is not convenient, not only time and manpower cost will be wasted, and production efficiency will be affected.

[0003] Through changing mould conveniently, mold can be quickly replaced, production efficiency is improved, production benefit is increased. Changing mould conveniently can reduce production cost. Changing mould operation needs to consume time and manpower cost, if changing mould is not convenient, more time and manpower cost will be wasted. Through changing mould conveniently, mold can be quickly replaced, production cost is reduced, production benefit is improved.

[0004] The injection mold in prior art, such as the Chinese patent with application number 202322181414.1 and authorized announcement number CN220841219U, name is a kind of injection mold convenient to change mould, the above-mentioned patent discloses a kind of injection mold convenient to change mould, including: hydraulic pipe, sealing plate, hydraulic cylinder and push plate, the sealing plate is equipped with hydraulic cylinder in the lower end outside of hydraulic pipe, the hydraulic cylinder is equipped with upper seat plate in the lower end, the upper seat plate is equipped with upper die in the lower end, the upper die is equipped with lower die seat in the lower end, the lower die seat is equipped with fitting block in the outside, the fitting block is equipped with sliding slot in the outside, the sliding slot is equipped with base in the outside, the lower die seat is equipped with carrier plate in the lower end, the carrier plate is equipped with telescopic column in the lower end, the telescopic column is equipped with electric cylinder one in the lower end.

[0005] In the above-mentioned patent, by using electric cylinder one, electric cylinder two, carrier plate and push plate, the lower die seat can be moved up and down, and the lower die seat can be pushed out of the upper end of the carrier plate to facilitate the workers to change mould. In the prior art such as the above-mentioned patent, the working efficiency during changing mould can be improved to a certain extent. However, in the above-mentioned patent, electric cylinder one, electric cylinder two and hydraulic column are used to drive the lower die seat, which needs to control different driving sources multiple times to work, increasing the workload of operators. Or, the program controls multiple driving sources through system control, which increases the cost of equipment and has certain disadvantages. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an injection mold convenient to change mould to solve the problems in the above-mentioned background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of injection mold convenient to change mould, including mould body and the mould frame for installing mould body, positioning assembly is arranged between the mould body and mould frame;The positioning assembly includes positioning block slidingly connected on both sides of mould frame, and positioning groove compatible with positioning block is opened in mould body, and the positioning block is connected with positioning groove;Driving mechanism is arranged on the mould frame for driving two positioning blocks to slide.

[0008] Further, the driving mechanism includes two driving lead screws rotatably connected to the mold frame, each positioning block has a threaded slot, and each driving lead screw is threadedly connected to the positioning block through the corresponding threaded slot; and the mold frame is provided with a driving portion for driving the driving lead screws to rotate.

[0009] Further, the driving portion includes a spur gear mounted on the driving lead screw, and the mold frame further slidably connects a driving rack, the driving rack is engaged with the spur gear, and the two driving racks are fixedly connected by a connecting frame; the mold frame is provided with a power member for driving the driving rack to slide.

[0010] Further, the power member is a cylinder, and the cylinder output end is connected with the connecting frame.

[0011] Further, the power member includes a pressing rod fixedly connected to the connecting frame, and a locking member is arranged between the pressing rod and the mold frame.

[0012] Further, the locking member includes a locking block vertically slidably connected to the mold frame, the locking block is fixedly connected with a pull rod, and a locking spring is arranged between the locking block and the mold frame, and a locking groove compatible with the locking block is opened in the pressing rod, the locking spring is forced to connect in the locking groove.

[0013] Further, a limiting telescopic portion is further arranged between the positioning block and the mold frame.

[0014] Further, the limiting telescopic portion includes a bearing cylinder fixedly connected to the mold frame, a positioning rod is fixedly connected to the positioning block, and the positioning rod is slidably connected in the bearing cylinder.

[0015] Further, a return spring is arranged between the positioning rod and the bearing cylinder.

[0016] Further, a handle is fixedly connected to the pressing rod.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the injection mold convenient to change mold, when the mold body needs to be changed, the positioning block is slid out from the positioning groove through the driving mechanism, the mold body can be changed, the working efficiency of changing the mold body can be greatly improved at this moment, meanwhile, only one driving source is needed to realize the fixation and dismounting of the mold, the working efficiency is improved and the cost saving effect can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained according to these drawings for the ordinary skilled in the art.

[0019] Figure 1 The overall structure schematic view provided by the utility model embodiment is provided.

[0020] Figure 2 The mold frame internal structure schematic view provided by the utility model embodiment is provided.

[0021] Figure 3 The positioning block from the positioning groove sliding out state schematic view provided by the utility model embodiment is provided.

[0022] Figure 4 The limiting telescopic part explosion state schematic view provided by the utility model embodiment is provided.

[0023] Figure 5 The power piece structure schematic view provided by another utility model embodiment is provided.

[0024] The drawing mark explanation: 1, mold frame;2, mold body;3, positioning groove;4, positioning block;5, driving screw;6, straight gear;7, driving rack;8, connecting frame;9, air cylinder;10, bearing cylinder;11, return spring;12, positioning rod;13, thread groove;14, pressing rod;15, handle;16, locking groove;17, locking block;18, locking spring;19, pull rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0026] Please refer to Figures 1-5 The present utility model provides a kind of technical solutions: a injection mold convenient to change mould, including mould body 2 and the mould frame 1 for installing mould body 2, positioning assembly is arranged between mould body 2 and mould frame 1;Positioning assembly includes the positioning block 4 of sliding connection on the both sides of mould frame 1, and the positioning groove 3 of being adapted to positioning block 4 is opened on mould body 2, positioning block 4 is connected with positioning groove 3;Driving mechanism for driving two positioning blocks 4 to slide is provided on mould frame 1.

[0027] Specifically, the injection mold convenient to change mould, including mould body 2 and the mould frame 1 for installing mould body 2, mould body 2 includes upper die and lower die, wherein upper die and upper die are prior art, and its structure and working principle are not described here. And positioning assembly is arranged between mould body 2 and mould frame 1, specifically, positioning assembly is installed between lower die and mould frame 1, which can improve the stability of lower die and mould frame 1 during installation. Wherein positioning assembly includes the positioning block 4 of sliding connection on the both sides of mould frame 1, and the positioning groove 3 of being adapted to positioning block 4 is opened on mould body 2, positioning block 4 is connected with positioning groove 3, when positioning block 4 is connected with positioning groove 3, mould body 2 and mould frame 1 will be connected, when mould body 2 needs to be disassembled, positioning block 4 is driven to slide out of the positioning groove 3, and mould body 2 can be disassembled from mould frame 1. And driving mechanism for driving two positioning blocks 4 to slide is provided on mould frame 1. Specifically, when the mould body 2 needs to be changed, the positioning block 4 is driven to slide out of the positioning groove 3 by the driving mechanism, and the mould body 2 can be replaced. At this moment, the working efficiency of replacing the mould body 2 can be greatly improved, and after the replacement of the mould body 2 is completed, the positioning block 4 is driven to slide again by the driving mechanism, and the positioning block 4 is connected in the corresponding positioning groove 3, which can improve the stability of the mould body 2 during installation, and meet the working needs.

[0028] In the embodiment of the utility model, wherein the driving mechanism includes two driving lead screws 5 rotatably connected on the mold frame 1, each positioning block 4 is provided with a threaded groove 13, and each driving lead screw 5 is threadedly connected with the positioning block 4 through the corresponding threaded groove 13; and the mold frame 1 is provided with a driving part for driving the driving lead screw 5 to rotate. The driving part includes a straight gear 6 mounted on the driving lead screw 5, and the mold frame 1 is further provided with a driving rack 7 slidably connected thereon, the driving rack 7 is engaged with the straight gear 6, and the two driving racks 7 are fixedly connected through a connecting frame 8; the mold 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 gear to rotate, and the straight gear 6 drives the two driving lead screws 5 to rotate, and the positioning block 4 slides through the cooperation between the driving lead screw 5 and the threaded groove 13, which meets the working requirement. Specifically, the mounting mode of the two driving lead screws 5 is self-set according to the working requirement, so that the two positioning blocks 4 can slide in opposite directions.

[0029] In the embodiment of the utility model, the power piece is a cylinder 9, the output end of the cylinder 9 is connected with the connecting frame 8, and the working efficiency can be improved.

[0030] In another embodiment of the utility model, the power piece includes a pressing rod 14 fixedly connected on the connecting frame 8, the setting of the pressing rod 14 can save the cost, further improve the practicability of the injection mold, and the pressing rod 14 and the mold frame 1 are provided with a locking piece.

[0031] In the embodiment of the utility model, the locking piece includes a locking block 17 vertically and slidably connected on the mold frame 1, the locking block 17 is fixedly connected with a pull rod 19, the locking block 17 and the mold frame 1 are provided with a locking spring 18, the pressing rod 14 is provided with a locking groove 16 matched with the locking block 17, the locking spring 18 drives the locking block 17 to be clamped in the locking groove 16, so that the stability of the mold body 2 during installation can be improved.

[0032] In the embodiment of the utility model, a limiting telescopic part is further arranged between the positioning block 4 and the mold frame 1, the limiting telescopic part includes a bearing cylinder 10 fixedly connected on the mold frame 1, the positioning block 4 is fixedly connected with a positioning rod 12, the positioning rod 12 is slidably connected in the bearing cylinder 10, and the stability of the positioning block 4 during sliding is further improved, and the use effect is better.

[0033] In the embodiment of the utility model, a reset spring 11 is arranged between the positioning rod 12 and the bearing cylinder 10, so that the positioning block 4 can be reset conveniently.

[0034] In the embodiment of the utility model, a handle 15 is fixedly connected on the pressing rod 14, so that the pressing rod 14 can be driven to slide conveniently.

[0035] It should be noted that the power-using devices involved in the present application can be powered by a battery or an external power source.

[0036] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An injection mold that facilitates mold changing, comprising a mold body (2) and a mold frame (1) for mounting the mold body (2), characterized in that: A positioning component is provided between the mold body (2) and the mold frame (1); The positioning component includes positioning blocks (4) that are slidably connected to both sides of the mold frame (1), and the mold body (2) is provided with positioning grooves (3) that are adapted to the positioning blocks (4), and the positioning blocks (4) are engaged with the positioning grooves (3). The mold frame (1) is provided with a driving mechanism for driving the two positioning blocks (4) to slide.

2. The injection mold for easy mold changing according to claim 1, characterized in that: The driving mechanism includes two drive screws (5) rotatably connected to the mold frame (1). Each positioning block (4) has a threaded groove (13). Each drive screw (5) is threadedly connected to the positioning block (4) through the corresponding threaded groove (13). Furthermore, the mold frame (1) is provided with a drive unit for driving the drive screw (5) to rotate.

3. The injection mold for easy mold changing according to claim 2, characterized in that: The drive unit includes a spur gear (6) mounted on a drive screw (5), and a drive rack (7) is slidably connected to the mold frame (1). The drive rack (7) meshes with the spur gear (6), and the two drive racks (7) are fixedly connected by a connecting frame (8). The mold frame (1) is provided with a power component for driving the drive rack (7) to slide.

4. The injection mold for easy mold changing according to claim 3, characterized in that: The power component is a cylinder (9), and the output end of the cylinder (9) is connected to the connecting frame (8).

5. The injection mold for easy mold changing according to claim 3, characterized in that: The power component includes a pressure rod (14) fixedly connected to the connecting frame (8), and a locking element is provided between the pressure rod (14) and the mold frame (1).

6. The injection mold for easy mold changing according to claim 5, characterized in that: The locking component includes a locking block (17) that is vertically slidably connected to the mold frame (1). A pull rod (19) is fixedly connected to the locking block (17), and a locking spring (18) is provided between the locking block (17) and the mold frame (1). A locking groove (16) adapted to the locking block (17) is provided on the pressure rod (14). The elastic force of the locking spring (18) drives the locking block (17) to be engaged in the locking groove (16).

7. The injection mold for easy mold changing according to claim 2, characterized in that: A limiting telescopic part is also provided between the positioning block (4) and the mold frame (1).

8. The injection mold for easy mold changing according to claim 7, characterized in that: The limiting telescopic part includes a bearing cylinder (10) fixedly connected to the mold frame (1), and a positioning rod (12) fixedly connected to the positioning block (4), and the positioning rod (12) is slidably connected inside the bearing cylinder (10).

9. An injection mold for easy mold changing according to claim 8, characterized in that: A return spring (11) is provided between the positioning rod (12) and the bearing cylinder (10).

10. An injection mold for easy mold changing according to claim 5, characterized in that: A handle (15) is fixedly connected to the pressure rod (14).

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