CN213107995U - Core pulling device and injection mold - Google Patents

Abstract

The utility model relates to an injection mold field especially relates to a device of loosing core and injection mold. A core pulling device comprising: the core pulling mechanism comprises an inclined pin module, a linkage sliding block and a locking mechanism, wherein a core pulling insert is formed at the first end of the inclined pin module, the inclined pin module is limited to move along the core pulling direction, and the inclined pin module is borne on the linkage sliding block; the first end of the linkage sliding block is an inclined surface, the second end of the angle pin module is in sliding fit with the inclined surface of the linkage sliding block, and the linkage sliding block drives the angle pin module to move along the core pulling direction; and the driving module is used for driving the linkage sliding block to move. The technical problems of poor stability and complex structure of a die slide structure in the prior art are solved.

Description

Core pulling device and injection mold

Technical Field

The utility model relates to an injection mold field especially relates to a device of loosing core and injection mold.

Background

The plastic injection mold is a tool for producing plastic products and has wide application; in the injection molding of plastic products, because certain plastic products contain the back-off which can not be directly released in the sliding block, the plastic products can be separated from the mold core by adopting a mechanism with a built-in inclined top in the sliding block after molding; the structure of the mould with the inclined top in the sliding block is complex. In the same direction of loosing core, it is big that there are several back-offs or product absorption on the slider on the product, has the risk that glues the slider and make the product warp. Traditional structure of loosing core is single, mainly relies on spring and hydro-cylinder drive, and the antiseized slider of bullet needle is applicable to some product simple structure, and the direction of loosing core does not have the product of back-off, and is complicated to product structure, and the product of the multiple back-off of direction of loosing core is not suitable for.

The patent with the application number of 'CN201220508263. X' and the name of 'automobile lamp die with a large-angle slider secondary motion structure' discloses that lateral core pulling is carried out by a method of driving an inclined slider through a linkage connecting slider during die motion through two motions, and the large-angle slider core pulling can be easily realized by adopting a design structure of slider secondary motion.

This solution has the following problems:

(1) the inclined sliding block is not easy to loose core after being stuck on a product, and the stability is poor.

(2) The inclined sliding block has no limit structure when sliding on the linkage sliding block, the inclined sliding block and the linkage sliding block are possibly separated, and the stability is poor.

(3) An inclined slide block base plate is required to support the inclined slide block so that the inclined slide block can complete lateral core pulling.

(4) The inclined slide block can protrude out of the forming surface during the rotation of the die, and the forming surface is damaged after the die is closed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems of complex slide structure and poor stability of a die in the prior art, the invention provides a core pulling device, which solves the technical problems. The technical scheme of the utility model as follows:

a core pulling device comprising: the core pulling mechanism comprises an inclined pin module, a linkage sliding block and a locking mechanism, wherein a core pulling insert is formed at the first end of the inclined pin module, the inclined pin module is limited to move along the core pulling direction, and the inclined pin module is borne on the linkage sliding block; the first end of the linkage sliding block is an inclined surface, the second end of the angle pin module is in sliding fit with the inclined surface of the linkage sliding block, and the linkage sliding block drives the angle pin module to move along the core pulling direction; and the driving module is used for driving the linkage sliding block to move.

The utility model discloses a core pulling device, including the taper pin module, linkage slider and drive module, the first end that the taper pin module is close to the product is formed with the mold insert of loosing core, the taper pin module bears on the linkage slider, the first end of linkage slider is the inclined plane, the second end of taper pin module and the inclined plane sliding fit of linkage slider, the linkage slider both can support the taper pin and can drive the taper pin module along the direction motion of loosing core again, the drive module acts on the taper pin module through the linkage slider, make the taper pin module drive the mold insert of loosing core along the direction motion of loosing core, thereby accomplish the drawing of patterns of product buckle.

According to the utility model discloses an embodiment, still include cover half benevolence, the sliding configuration of taper pin module is in the cover half benevolence and by the cover half benevolence is spacing to remove along the direction of loosing core.

According to the utility model discloses an embodiment, still include the elastic component of configuration on the taper pin module, the first end top of elastic component is leaned on the die core, the second end of elastic component will the taper pin module top is leaned on the inclined plane.

According to an embodiment of the present invention, the angle pin module comprises: the core-pulling insert is formed at the first end of the inclined rod, and the second end of the inclined rod is fixedly connected with the sliding block; and the sliding block is in sliding fit with the inclined surface.

According to the utility model discloses an embodiment, the low level side of slider is formed with the spacing limit structure of removing core to it, limit structure includes: the limiting notch is formed on the low-position side of the sliding block; the limiting block is configured to be fixedly installed, and the limiting block is matched with the limiting notch to limit the sliding block.

According to the utility model discloses an embodiment, the second end of taper pin module through the oblique vice with the inclined plane sliding fit of linkage slider.

According to the utility model discloses an embodiment, the sliding pair includes: the sliding rail is arranged on the inclined surface of the linkage sliding block; the slider of taper pin module is equipped with the spout, and during the loose core, the taper pin module is along the slide rail slides.

According to the utility model discloses an embodiment, the drive module includes: the two ends of the sliding block seat are respectively provided with an inclined slideway slot, a second mounting slot and an inclined guide column, the inclined guide column is arranged in the slideway slot of the sliding block seat in a sliding manner, and under the action of external force, the inclined guide column drives the sliding block seat to move; and the limiting spring is partially arranged in the second mounting groove.

The injection mold is characterized by comprising the core pulling device.

According to the utility model discloses an embodiment still includes the cover half frame, one side of cover half frame is equipped with the antifriction plate, be equipped with oil groove and retaining member on the antifriction plate, the linkage slider can slide on the antifriction plate.

Based on the technical scheme, the invention can realize the following technical effects:

1. the utility model discloses a core pulling device, including the taper pin module, linkage slider and drive module, the first end of taper pin module is formed with the mold insert of loosing core, the taper pin module is by spacing for removing along the direction of loosing core, the taper pin module bears on the linkage slider, the first end of linkage slider is the inclined plane, the second end of taper pin module and the inclined plane sliding fit of linkage slider, the drive module removes along the direction of loosing core with the help of linkage slider drive taper pin module, that is to say, the linkage slider both can support the taper pin module and can drive the taper pin module again, thereby the bearing structure of taper pin module has been saved, make the structure of device of loosing core simplify.

2. The utility model discloses a device of loosing core still includes cover half benevolence, is equipped with first mounting groove in the cover half benevolence, and the taper pin module slides and disposes in first mounting groove, and the one end top of taper pin slider leans on the inclined plane of linkage slider, and the other end of taper pin slider is spacing by the cover half benevolence, and the taper pin slider only can move in first mounting groove, removes along the direction of loosing core promptly, and the cover half benevolence plays the effect of direction to the taper pin module.

3. The utility model discloses a device of loosing core still includes the elastic component, and the elastic component is located the second end of taper pin module and between the cover half benevolence, and the elastic component configuration is on the taper pin module, and the first end top of elastic component leans on in cover half benevolence, and the second end of elastic component leans on the inclined plane with the taper pin module top. When the mold rotates, the elastic piece provides elastic force to prevent the taper pin module from driving the core-pulling insert to move towards the product, so that the core-pulling insert is prevented from protruding out of a molding surface, and the mold is crushed when the mold is closed; during the core pulling, if the core pulling insert is stuck on the product, the elastic piece provides elastic force to enable the core pulling insert to move towards the direction away from the product, so that the core pulling insert is driven to be separated from the product, and the core pulling insert is prevented from being stuck on the product.

Drawings

Fig. 1 is a schematic structural view of a core pulling device in embodiment 1;

FIG. 2 is a schematic view showing the assembly of a skew pin module and an elastic member in example 1;

fig. 3 is a partial schematic structural view of a skew pin module in embodiment 1;

FIG. 4 is an assembly view of the slider and the interlocking slider according to embodiment 1;

FIG. 5 is a schematic structural view of a slider in embodiment 1;

FIG. 6 is a partial schematic structural view of an injection mold in embodiment 2;

FIG. 7 is a cross-sectional view of FIG. 6;

fig. 8 is a schematic structural view of the wear plate in embodiment 2;

in the figure: 1-angle pin module; 11-a diagonal rod; 111-core pulling inserts; 112-projection, 1121-mating surface; 12-a slide block; 121-a limit notch; 122-a groove; 123-chute; 13-a locking block;

2-linkage slide block; 21-inclined plane; 211-a slide rail;

3-a driving module; 31-oblique guide posts; 32-a slider seat; 321-oblique slideway slot; 322-a second mounting groove; 33-a limit spring; 34-pressing strips;

4-fixing the mold core; 41-a limiting block; 42-a first mounting groove; 5-an elastic member; 6-fixing a mold frame; 61-wear plate; 611-a locking member; 612-oil sump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The first embodiment is as follows:

as shown in fig. 1 to 7, the embodiment provides a core pulling device, which includes an angle pin module 1, a linkage slider 2 and a driving module 3, wherein a core pulling insert 111 is formed at a first end of the angle pin module 1, the angle pin module 1 is limited to move along a core pulling direction, the angle pin module 1 is carried on the linkage slider 2, the first end of the linkage slider 2 is an inclined surface 21, a second end of the angle pin module 1 is in sliding fit with the inclined surface 21 of the linkage slider 2, and the driving module 3 drives the angle pin module 1 to move along the core pulling direction by means of the linkage slider 2.

The angle pin module 1 in the embodiment is configured obliquely, and because the angle pin module 1 is limited to move along the core pulling direction, and the angle pin module 1 is borne on the linkage slide block 2, the second end of the angle pin module 1 can be directly borne and limited by the linkage slide block 2 after die assembly, so that the bearing structure of the angle pin module 1 is omitted, and the structure of the core pulling device is simplified; in addition, during mold closing, the linkage slide block 2 can move towards the inclined pin module 1 to drive the inclined pin module 1 to perform mold closing action, during mold opening, the linkage slide block 2 moves towards a direction far away from the inclined pin module 1, and the inclined pin module 1 moves along the core pulling direction by means of gravity.

According to an embodiment of the present invention, the angle pin module 1 includes an angle rod 11 and a slider 12, a core-pulling insert 111 is formed at a first end of the angle rod 11, a second end of the angle rod 11 is fixedly connected to the slider 12, specifically, a cylindrical protrusion 112 extends from the second end of the angle rod 11, a matching surface 1121 is disposed on the protrusion 112, a groove 122 corresponding to the protrusion 112 is disposed on a high side of the slider 12, after the protrusion 112 extends into the groove 122, the matching surface 1121 and an inner surface of the groove 122 are attached to each other, and the two are mutually limited, so that the protrusion 112 can be prevented from rotating in the groove 122; furthermore, one side of the protrusion 112 is provided with a locking block 13, the locking block 13 is sleeved on the inclined rod 11, the locking block 13 and the sliding block 12 are fixed together through a screw, and when the inclined rod 11 moves towards or away from a product, the locking block 13 limits the protrusion 112 to be separated from the groove 122.

In this embodiment, the angle pin module 1 is limited to move along the core pulling direction, specifically, the angle pin module 1 is limited in its movement direction by the fixed mold core 4, the fixed mold core 4 is provided with the first mounting groove 42, the angle pin module 1 is configured in the first mounting groove 42 in a sliding manner, the first end of the angle pin module 1 is limited by the fixed mold core 4, in the core pulling direction, the first mounting groove 42 is matched with the outer contour of the angle pin module 1, the second end of the angle pin module 1 abuts against the inclined surface of the linkage slider 2, during core pulling, the movement of the angle pin module 1 in the second direction is limited by the first mounting groove 42, the angle pin module 1 can only move along the first direction, core pulling of a product buckle is completed, and the fixed mold core 4 plays a role in guiding the angle pin module 1.

Further, the lifter module 1 is by the spacing extreme position of its core pulling of limit structure, specifically, the low level side of slider 12 forms the spacing limit structure of its core pulling removal, limit structure includes spacing breach 121 and stopper 41, spacing breach 121 forms the low level side at slider 12, stopper 41 fixed mounting is on cover half benevolence 4, during the core pulling, linkage slider 2 back of moving, slider 12 is on inclined plane 21 to the downward motion of slope, be blocked by stopper 41 after slider 12 moves a section distance, thereby prevent that slider 12 and the device on it from breaking away from inclined plane 21 and causing lifter module 1 and cover half benevolence 4 to interfere.

According to a preferred embodiment of the present invention, the core pulling device further includes an elastic member 5, the elastic member 5 is disposed on the angle pin module 1, the elastic member 5 is located between the second end of the angle pin module 1 and the fixed mold core 4, the first end of the elastic member 5 abuts against the fixed mold core 4, and the second end of the elastic member 5 abuts against the inclined surface 21 of the angle pin module 1. When the mold rotates, the elastic piece 5 provides elastic force to prevent the taper pin module 1 from driving the core-pulling insert 111 to move towards the product, so that the core-pulling insert 111 is prevented from protruding out of a molding surface, and the mold is crushed when the mold is closed; during core pulling, if the core insert 111 is stuck on the product, the elastic member 5 provides elastic force to move the core insert 111 in a direction away from the product, so that the core insert 111 is separated from the product, and the core insert 111 is prevented from being stuck on the product.

For the stable sliding of the taper pin module 1 on the linkage slider 2, the second end of the taper pin module 1 is in sliding fit with the inclined surface 21 of the linkage slider 2 through an inclined sliding pair, specifically, the inclined sliding pair includes a sliding groove 123 and a sliding rail 211, the sliding rail 211 is arranged on the inclined surface 21 of the linkage slider 2, the sliding block 12 of the taper pin module 1 is provided with the sliding groove 123, during core pulling, the taper pin module 1 can only slide along the sliding rail 211, the sliding rail 211 guides the taper pin module 1, when the mold rotates, because the sliding rail 211 extends into the sliding groove 123, the sliding rail 211 pulls the sliding block 12 of the taper pin, the sliding block 12 of the taper pin and the device thereon cannot be separated from the inclined surface 21, otherwise, the sliding rail 211 is arranged on the sliding block 12, and the sliding groove 123 is arranged on the inclined surface 21, as long as the. In addition, the angle pin module 1 can be directly matched with the inclined surface 21 of the linkage sliding block 2 in a sliding mode, so that the sliding groove 123 and the sliding rail 211 are eliminated, and the angle pin module 1 can slide on the linkage sliding block 2.

The slider 2 in this embodiment is driven by the driving module 3, specifically, as shown in fig. 7, the driving module 3 includes a slider seat 32 and an inclined guiding column 31, an inclined sliding channel 321 is disposed on one side of the slider seat 32, the inclined guiding column 31 is slidably disposed in the inclined sliding channel 321 of the slider seat 32, the inclined guiding column 31 moves upward under the action of an external force, the upward movement of the inclined guiding column 31 generates an inclined component force on the slider seat 32 to push the slider seat 32 to move leftward, because the slider seat 32 is connected with the linking slider 2, the movement of the slider seat 32 drives the linking slider 2 to move leftward, along with the movement of the linking slider 2, the height of the taper pin module 1 on the inclined surface 21 will gradually become lower, the taper pin module 1 moves vertically downward under the action of its own gravity, the movement can decompose the movement in the first direction and the movement in the second direction, when the taper pin module 1 is in the first direction, the core-pulling insert 111 is driven to move along with the core-pulling insert 111, so that the core-pulling insert 111 is separated from the product buckle, and core pulling and demolding of the product buckle are completed.

According to the preferred scheme of this embodiment, drive arrangement still includes that the spacing spring 33 of spacing spring 33 is partly placed in the second mounting groove 322 that slider seat 32 one side was equipped with in, and the both ends of spacing spring 33 support respectively and lean on the tank bottom and the cover half benevolence 4 at second mounting groove 322, and when slider seat 32 moved to cover half benevolence 4, because of spacing spring 33's elastic force, can prevent that slider seat 32 from colliding cover half benevolence 4, damaging cover half benevolence 4 and slider seat 32.

According to the preferred scheme of the embodiment, the driving device further comprises pressing strips 34, the pressing strips 34 are arranged on two sides of the sliding block seat 32, one side of each pressing strip 34 presses the sliding block seat 32, and the other side of each pressing strip 34 is fixedly connected with the fixed die frame 6, so that the sliding block seat 32 can be prevented from being separated from the fixed die frame 6 in the movement process.

The working principle of the core pulling device is as follows:

when core pulling is needed, the inclined guide column 31 moves upwards under the action of external force, the upward movement of the inclined guide column 31 generates an inclined component force on the sliding block seat 32, thereby pushing the sliding block seat 32 to move leftwards, because the sliding block seat 32 is connected with the linkage sliding block 2, the movement of the sliding block seat 32 drives the linkage sliding block 2 to move leftwards, the linkage sliding block 2 moves towards the direction far away from the taper pin module 1, the taper pin module 1 moves vertically downwards under the action of self gravity, the movement can decompose the movement in the first direction and the movement in the second direction, when the angle pin module 1 moves along the first direction, the angle pin module can only move along the first direction due to being limited by the first mounting groove 42, thereby driving the core-pulling insert 111 to move along with the core-pulling insert, completing core pulling and demoulding of the product buckle, the angle pin module 1 moves along the second direction for a distance and then is blocked by the limiting block 41, thereby preventing the slide block 12 and the devices thereon from coming off the inclined surface 21 to cause interference between the skew pin block 1 and the fixed mold core 4. The angle pin module 1 is borne on the linkage sliding block 2 when moving, and the linkage sliding block 2 can support the angle pin module 1 and drive the angle pin module 1, so that the bearing structure of the angle pin module 1 is saved, and the structure of the core pulling device is simplified.

Example two:

the embodiment provides an injection mold, which comprises the core pulling device of the first embodiment.

In order to protect the linkage slider 2, an abrasion-resistant plate 61 is arranged on one side of the linkage slider 2, the abrasion-resistant plate 61 is located between the linkage slider 2 and the fixed die frame 6, and the abrasion-resistant plate 61 is fixed on the fixed die frame 6, so that the linkage slider 2 can be prevented from directly sliding on the fixed die frame 6, and the fixed die frame 6 and the linkage slider 2 are prevented from being damaged by friction force between the linkage slider 2 and the fixed die frame 6. Be equipped with retaining member 611 and oil groove 612 on the antifriction plate 61, can avoid linkage slider 2 and antifriction plate 61 face laminating to form the vacuum area, linkage slider 2 is difficult slip on antifriction plate 61 under atmospheric pressure, the solid butter is equipped with in the oil groove 612, in the production, antifriction plate 61 is heated the back and is given the butter with heat transfer, play lubricated effect after the butter melts, reduce the frictional force between linkage slider 2 and the antifriction plate 61, the linkage slider 2 of being convenient for slides on antifriction plate 61.

The working principle of the core pulling device of the injection mold of the embodiment is basically the same as that of the embodiment, and the description is omitted.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A core pulling device, comprising:

the core pulling mechanism comprises an angle pin module (1), wherein a core pulling insert (111) is formed at the first end of the angle pin module (1), the angle pin module (1) is limited to move along the core pulling direction, and the angle pin module (1) is borne on a linkage sliding block (2);

the core pulling mechanism comprises a linkage sliding block (2), wherein a first end of the linkage sliding block (2) is an inclined surface (21), a second end of an inclined pin module (1) is in sliding fit with the inclined surface (21) of the linkage sliding block (2), and the linkage sliding block (2) drives the inclined pin module (1) to move along the core pulling direction;

and the driving module (3) is used for driving the linkage sliding block (2) to move.

2. The core pulling device according to claim 1, further comprising a core insert (4), wherein the angle pin module (1) is slidably disposed in the core insert (4) and is limited by the core insert (4) to move along the core pulling direction.

3. The core pulling device according to claim 2, further comprising an elastic member (5) arranged on the angle pin module (1), wherein a first end of the elastic member (5) abuts against the core insert (4), and a second end of the elastic member (5) abuts against the inclined surface (21) of the angle pin module (1).

4. The core pulling device according to claim 1, characterized in that the angle pin module (1) comprises:

the core-pulling insert (111) is formed at the first end of the inclined rod (11), and the sliding block (12) is fixedly connected to the second end of the inclined rod (11);

the sliding block (12), the sliding block (12) is in sliding fit with the inclined surface (21).

5. The core pulling device according to claim 4, characterized in that the lower side of the slider (12) is formed with a limiting structure for limiting the core pulling movement thereof, and the limiting structure comprises:

a limit notch (121), wherein the limit notch (121) is formed on the low position side of the sliding block (12);

the limiting block (41), the limiting block (41) is configured to be fixedly installed, and the limiting block (41) is matched with the limiting notch (121) to limit the sliding block (12).

6. The core pulling device according to claim 1, wherein the second end of the angle pin module (1) is in sliding fit with the inclined surface (21) of the linkage slider (2) through an inclined sliding pair.

7. The core pulling device according to claim 3, wherein the sliding pair comprises:

the sliding rail (211), the said sliding rail (211) is set up in the inclined plane (21) of the linkage slide block (2);

the slide block (12) of the angle pin module (1) is provided with the slide groove (123), and during core pulling, the angle pin module (1) slides along the slide rail (211).

8. Device according to claim 1, characterized in that said driving module (3) comprises:

the sliding block seat (32), both ends of the sliding block seat (32) are respectively provided with an inclined sliding channel groove (321) and a second mounting groove (322);

the inclined guide post (31) is arranged in the inclined slideway groove (321) in a sliding manner, and the inclined guide post (31) drives the slider seat (32) to move under the action of external force;

a limit spring (33), the limit spring (33) being partially built in the second mounting groove (322).

9. An injection mold comprising the core pulling device according to any one of claims 1 to 8.

10. An injection mould according to claim 9, characterized in that it further comprises a fixed mould frame (6), a wear plate (61) is arranged on one side of the fixed mould frame (6), an oil groove (612) and a locking member (611) are arranged on the wear plate (61), and the interlocking slide (2) can slide on the wear plate (61).

Images