CN216782567U - Ball key seat connecting rod mould for injection molding - Google Patents

Abstract

The utility model provides a die for injection molding of a ball pin base connecting rod, which comprises a fixed die and a movable die, wherein the fixed die is provided with a fixed die core, the movable die is provided with a movable die core, the movable die core is provided with a plurality of inclined slide block assemblies, at least one inclined slide block assembly in the inclined slide block assemblies is connected with a connecting rod insert, at least one inclined slide block assembly is connected with a ball head base insert, each inclined slide block assembly comprises a movable die insert and two slide blocks, the two slide blocks and the movable die insert jointly enclose an injection molding chamber, the injection molding chamber is used for accommodating the connecting rod and a first ball pin base, the ball head base insert is provided with a ball head base groove, the ball head base groove and the injection molding chamber are jointly used for accommodating a semi-finished product of sealing glue and a second ball pin base, two sides of a shovel base assembly are respectively matched with the inclined slide block assemblies to form a structure of two movable dies and one die, the die opening and die closing can simultaneously perform injection molding of a plurality of products, the processing efficiency is high, is beneficial to the miniaturization development of the die.

Description

Ball key seat connecting rod mould for injection molding

Technical Field

The utility model relates to the technical field of molds, in particular to a mold for injection molding of a ball pin seat connecting rod.

Background

In recent years, with the rapid development of automobile products, people have higher and higher requirements on automobiles, and the design of plastic products commonly used in automobiles is frequently innovated. The ball pin seat connecting rod product series is one of necessary products in each vehicle, in order to pursue better customer experience, new designs such as appearance, structure, function and the like are diversified, and the ball pin seat connecting rod sleeve plastic product mold is concerned by manufacturers.

The ball pin seat connecting rod is formed by combining two ball pin seats at two ends, a shell and a connecting rod in the middle. The shell of ball key seat is the plastic part, and ball key seat connecting rod is at the in-process of moulding plastics because the particularity of its appearance, and the mould that uses among the prior art mostly has bulky defect, and because mould die sinking compound die and loaded down with trivial details procedure cause machining efficiency to hang down.

Patent document CN211279539U discloses a stabilizer bar connecting rod injection mold, which is used for injection molding of a ball pin seat of a stabilizer bar connecting rod on a connecting rod thereof, and comprises a fixed mold component fixedly connected with a fixed pressure plate of an injection molding machine and a movable mold component fixedly connected with a movable pressure plate of the injection molding machine, wherein the movable mold component comprises a base body and two molding parts arranged on the base body in a sliding manner, molding grooves are respectively constructed on the two molding parts, and driving units are respectively arranged between the two molding parts and the fixed mold component; when the movable mold assembly is driven by the movable platen and matched with the fixed mold assembly, the driving unit can drive the two molding parts to slide oppositely, so that the two molding grooves surround a cavity for injection molding of the ball pin seat, but the design is still not beneficial to the miniaturization development of the mold.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a mold for injection molding of a ball pin seat connecting rod.

The utility model provides a mold for injection molding of a ball pin seat connecting rod, which comprises a fixed mold and a movable mold;

the fixed die is provided with a fixed die core, and the movable die is provided with a movable die core;

the movable die core is provided with a plurality of inclined slide block assemblies, at least one inclined slide block assembly in the plurality of inclined slide block assemblies is connected with a connecting rod insert, and at least one inclined slide block assembly is connected with a ball head seat insert;

the inclined slide block assembly comprises a movable mold insert and two slide blocks, the two slide blocks are slidably and oppositely arranged on the movable mold core, and the slide blocks and the movable mold core form a first sliding pair; the fixed die core is provided with a shovel base assembly matched with the inclined slide block assembly, and the shovel base assembly and the inclined slide block assembly form a second sliding pair;

the two sliding blocks and the movable mold insert jointly enclose an injection molding cavity, and the injection molding cavity is used for accommodating the connecting rod and the first ball pin boss or accommodating a part of a semi-finished product of glue sealing of the connecting rod and the first ball pin boss and the second ball pin boss;

the connecting rod insert is provided with a connecting rod end groove, a magnet is arranged in the connecting rod end groove, the connecting rod end groove is communicated with an injection molding cavity on the inclined sliding block assembly, the connecting rod end groove and the injection molding cavity are jointly used for accommodating the connecting rod and the first ball pin seat, and the magnet is magnetically connected with one end of the connecting rod;

the ball head seat insert is provided with a ball head seat groove, the ball head seat groove is communicated with an injection molding cavity on the other inclined slide block assembly, and the ball head seat groove and the injection molding cavity are jointly used for accommodating a semi-finished product of the sealing adhesive and a second ball pin seat;

the two sliding blocks have two states of die assembly and die disassembly, and when the shovel base assembly is at the first position, the two sliding blocks are in the die assembly state;

when the movable mould core moves away from the fixed mould core along the axis direction, the shovel base assembly can drive one sliding block to move away from the other sliding block or drive the two sliding blocks to move away from each other, and when the shovel base assembly moves to the second position, the two sliding blocks are in a mould opening state.

Preferably, the movable die core is provided with a plurality of mounting positions, and two sliding blocks are mounted on the mounting positions;

first limiting grooves are formed in two sides of the mounting position, and first limiting edges are respectively arranged at two ends of the sliding block;

when the sliding blocks slide on the mounting positions, the first limiting edges respectively slide in the respective first limiting grooves to form first sliding pairs, and the first limiting edges are limited by the corresponding first limiting grooves.

Preferably, the shovel base assembly comprises a second shovel base and seven star blocks, the second shovel base is installed on the cavity insert, and the seven star blocks are arranged on one side or two sides of the second shovel base;

the sliding block is provided with a first inclined surface, two sides of the first inclined surface are provided with second limiting grooves, the seven-star block is provided with a second inclined surface, and two sides of the second inclined surface are provided with second limiting edges;

the second inclined plane is matched with the first inclined plane, the second limiting edge is positioned in the second limiting groove, and when the movable die core moves away from the fixed die core along the axis direction, the second limiting edge can be driven to slide in the respective second limiting groove to form a second sliding pair so as to drive the two sliding blocks to be separated.

Preferably, the movable mold core is parallel to the fixed mold core.

Preferably, the seven-star block is provided with a guide groove which is positioned between the two second limiting edges, and the sliding block is provided with a fixed block;

when the shovel base assembly moves from the first position to the second position, the fixed block slides in the guide groove, and the surfaces of the connection positions of the fixed block and the guide groove are perpendicular to the fixed die core.

Preferably, the slanted slide assembly comprises a slide insert, a first insert and a second insert;

and a sliding block insert is arranged on one side of the injection molding cavity and is positioned above the movable mold insert, and a second insert, a first insert and the second insert are sequentially arranged in the direction towards the other side of the injection molding cavity and are positioned below the injection molding cavity.

Preferably, a glue injection hole is formed between the two sliding blocks, and the fixed die core is provided with a hot nozzle sleeve;

when the mold is closed, the hot nozzle sleeve is connected with the glue injection hole and is coaxially arranged.

Preferably, the fixed die core is provided with a first shovel base matched with the connecting rod insert and a third shovel base matched with the ball seat insert;

when the mold is closed, the first shovel base is mounted on the connecting rod insert in a matched mode to form a connecting rod end groove in an enclosing mode;

and the third shovel base is matched and arranged on the ball head seat insert to form a ball head seat groove in a surrounding manner.

Preferably, the slide block is provided with a liquid flow channel which is not communicated with the injection molding cavity.

Preferably, in the mold closing state, the space between two adjacent inclined slide block assemblies is matched to accommodate one shovel base assembly;

when one shovel base assembly moves from the first position to the second position, the two sliding blocks on two sides can be driven to move simultaneously.

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

1. in the die closing and die opening operation, the two sides of the shovel base assembly are respectively matched with the inclined slide block assemblies to form a structure of two moving dies and one fixed die, and a plurality of groups of the shovel base assemblies can be arranged.

2. According to the utility model, the insert is designed in the sliding block, so that the space of the sliding block in the die is saved, the size of the die is reduced in view of the overall effect, and the manufacturing cost is reduced.

3. The utility model adopts two sets of sliding pairs to cooperate to make the action be accurate and coordinated.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a cavity insert of the present invention;

FIG. 2 is a schematic structural view of a cavity insert according to the present invention;

FIG. 3 is a schematic view of the internal structure of the slider according to the present invention;

FIG. 4 is a schematic structural view of a ball cup insert of the present invention;

FIG. 5 is a cross-sectional schematic view of a slider of the present invention;

FIG. 6 is a schematic structural diagram of a finished injection-molded product of the ball pin seat connecting rod;

FIG. 7 is a schematic structural view of a first ball keyway, a connecting rod, and a second ball keyway prior to injection molding;

FIG. 8 is a schematic view showing the structure of one side of a movable mold in embodiment 2;

FIG. 9 is a schematic structural view of a stationary mold in example 2.

The figures show that:

core setting 1 ball seat insert 20

Fixed mould insert 2

Second inclined surface 61 of press block 3

Second limit edge 62 of first shovel base 4

Guide groove 63 of second shovel base 5

Seven-star block 6 first limit groove 81

First limit edge 91 of hot nozzle sleeve 7

First inclined plane 92 of movable mould core 8

Second limit groove 93 of slide block 9

Briquetting 10 injecting glue hole 94

Fixed block 11 fixed die 101

Slide block insert 12 moving die 102

Connecting rod insert 13 injection molding cavity 201

Flow line 14 connecting rod end slot 202

Ball seat groove 203 of slide block insert 15

Magnet 16 connecting rod 301

First insert 17 first ball keyway 302

Second insert 18 second ball keyway 303

Moving die insert 19

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

Example 1:

the utility model provides a mold for injection molding of a ball pin boss connecting rod, which comprises a fixed mold 101 and a movable mold 102, wherein the fixed mold 101 is provided with a fixed mold core 1, the movable mold 102 is provided with a movable mold core 8, the movable mold core 8 is parallel to the fixed mold core 1, the movable mold core 8 is provided with a plurality of inclined slide block assemblies, and the inclined slide block assemblies are arranged at intervals, wherein at least one inclined slide block assembly in the inclined slide block assemblies is connected with a connecting rod insert 13, and at least one inclined slide block assembly is connected with a ball pin boss insert 20.

The inclined slide block assembly comprises a moving mold insert 19 and two slide blocks 9, wherein the two slide blocks 9 are slidably arranged on the moving mold core 8 in an opposite mode and form a first sliding pair with the moving mold core 8. Specifically, the movable mold core 8 has a plurality of mounting positions, the two sliding blocks 9 are mounted on the mounting positions, and first limiting grooves 81 are formed on two sides of the mounting positions, wherein the pressing block 10 is detachably mounted on the movable mold core 8, and the first limiting grooves 81 are formed between the pressing block 10 and the movable mold core 8. The two ends of the sliding block 9 are respectively provided with a first limiting edge 91, when the sliding block 9 slides on the installation position, the first limiting edges 91 respectively slide in the respective first limiting grooves 81 to form a first sliding pair, and the first limiting edges 91 are limited by the respective corresponding first limiting grooves 81.

The fixed die core 1 is provided with a shovel base component matched with the inclined slide block component, and the shovel base component and the inclined slide block component form a second sliding pair. Specifically, the sliding block 9 has a first inclined surface 92, and both sides of the first inclined surface 92 are provided with second limiting grooves 93, the seven-star block 6 has a second inclined surface 61, and both sides of the second inclined surface 61 are provided with second limiting edges 62, the second inclined surface 61 matches the first inclined surface 92, the second limiting edges 62 are located in the second limiting grooves 93, and when the movable mold core 8 moves away from the fixed mold core 1 along the axis direction, the second limiting edges 62 can be driven to slide in the respective second limiting grooves 93 to form second sliding pairs, so as to drive the two sliding blocks 9 to separate.

The two sliding blocks 9 and the movable mold insert 19 together define an injection molding chamber 201, and the injection molding chamber 201 is used for accommodating the connecting rod 301 and the first ball pin seat 302 or accommodating a part of a semi-finished product of glue sealing of the connecting rod 301 and the first ball pin seat 302 and the second ball pin seat 303.

The connecting rod insert 13 is provided with a connecting rod end groove 202, the connecting rod end groove 202 is internally provided with a magnet 16, the magnet 16 is preferably a cylindrical permanent magnet, the connecting rod end groove 202 is communicated with an injection molding chamber 201 on the inclined slide block assembly, the connecting rod end groove 202 and the injection molding chamber 201 are jointly used for accommodating a connecting rod 301 and a first ball pin base 302, and the magnet 16 is magnetically connected with one end of the connecting rod 302 and used for positioning one end of the connecting rod 302;

further, the inclined slide block assembly further comprises a slide block insert 15, a first insert 17 and a second insert 18, the slide block insert 15 is arranged on one side of the injection molding chamber 201, the slide block insert 15 is located above the movable mold insert 19, the second insert 18, the first insert 17 and the second insert 18 are sequentially arranged along the direction towards the other side of the injection molding chamber 201, and the first insert 17 and the second insert 18 are located below the injection molding chamber 201.

It should be noted that one end of the connecting rod 302 is magnetically attracted by the magnet 16 mounted on the connecting rod insert 13, one end of the connecting rod 302 is simultaneously supported by the connecting rod end groove 202 to realize positioning, the other end of the connecting rod 302 extends into the injection molding chamber 201, the first ball pin seat 302 is positioned by the slider insert 15, the two sliders 9 and the movable mold insert 19, and after the injection molding is completed in the mold closing state, most of the connecting rod 302 and the outer portion of the ball head on the first ball pin seat 302 are injection molded to form a semi-finished product of the molding compound.

The ball head seat insert 20 is provided with a ball head seat groove 203, the ball head seat groove 203 is connected with an injection molding cavity 201 on the other inclined slide block assembly, the ball head seat groove 203 and the injection molding cavity 201 are jointly used for containing a glue sealing semi-finished product and a second ball pin seat 303, the glue sealing semi-finished product after injection molding is placed at one end of the ball head seat groove 203 and one end of the injection molding cavity 201, the second ball pin seat 303 is placed at the other end of the injection molding cavity 201, and the injection molding operation of the ball pin seat connecting rod is completed after mold closing and injection molding are performed again.

In a specific injection molding operation process, the two slide blocks 9 have two states of mold closing and mold opening, and when the shovel base assembly is at a first position, the two slide blocks 9 are in the mold closing state, namely the state shown in fig. 2; when the movable mould core 8 moves away from the fixed mould core 1 along the axis direction, the shovel base assembly can drive one slide block 9 to move away from another slide block 9 or drive two slide blocks 9 to move away from each other and when the shovel base assembly moves to the second position, the two slide blocks 9 are in a mould opening state, and the product after injection molding can be taken out or put into the product to be injection molded to be subjected to mould injection in the mould opening state.

The shovel base assembly comprises a second shovel base 5 and seven star blocks 6, the second shovel base 5 is installed on the fixed die core 1, the seven star blocks 6 are arranged on one side or two sides of the second shovel base 5, guide grooves 63 are formed in the seven star blocks 6, the guide grooves 63 are located between two second limiting edges 62, fixing blocks 11 are arranged on the sliding blocks 9, when the shovel base assembly moves from a first position to a second position, the fixing blocks 11 slide in the guide grooves 63, and the surfaces where the fixing blocks 11 and the guide grooves 63 are connected are perpendicular to the fixed die core 1, so that the movable die core 8 moves along the axis direction of the fixed die core 1.

An injection hole 94 is formed between the two sliding blocks 9, a hot nozzle sleeve 7 is arranged on the core insert 1, when the core insert is in a mold closing state, the hot nozzle sleeve 7 is connected with the injection hole 94 and coaxially arranged, and injection molding fluid is injected into the injection hole 94 through the hot nozzle sleeve 7 and finally enters the injection molding cavity 201.

The fixed die core 1 is provided with a first shovel base 4 matched with the connecting rod insert 13 and a third shovel base matched with the ball seat insert 20, and when the fixed die core is in a die closing state, the first shovel base 4 is installed on the connecting rod insert 13 in a matched mode to form a connecting rod end groove 202.

The third shovel base is arranged on the ball head seat insert 20 in a matched mode to form a ball head seat groove 203 in a surrounding mode, and is used for containing the first ball pin seat 302 end of the glue sealing semi-finished product, and then injection molding of the second ball pin seat 303 end of the glue sealing semi-finished product is completed.

Example 2:

this embodiment is a preferred embodiment of embodiment 1.

In this embodiment, the fixed mold insert 2 and the pressing block 3 are arranged on the fixed mold core 1, the pressing block 3 is used for matching with the connecting rod insert 13, the slider 9 is provided with a liquid flow channel, and the liquid flow channel is not communicated with the injection molding chamber 201, as shown in fig. 8 and 9, the fixed mold 101 is provided with a liquid flow pipeline 14, and the liquid flow pipeline 14 is connected with the liquid flow channel through the fixed mold insert 2 so as to realize cooling of the product in the injection molding chamber 201 after injection molding.

In the mold closing state, the space between two adjacent oblique slide block assemblies is matched to accommodate one shovel base assembly, and when one shovel base assembly moves from the first position to the second position, two slide blocks 9 on two sides can be driven to move simultaneously. In this embodiment, the fixed mold 101 is provided with a plurality of shovel base assemblies, and the movable mold 102 is provided with a plurality of inclined slide block assemblies matched with the shovel base assemblies, so that injection molding of a plurality of products can be performed simultaneously or non-simultaneously in injection molding, and injection molding efficiency is improved.

The working principle of the utility model is as follows:

the fixed die insert 2, the pressing block 3, the second shovel base 5 and the hot nozzle sleeve 7 are arranged on the fixed die core 1, the seven-shaped block 6 is arranged on the second shovel base 5 to form a T-shaped groove, and the sliding block 9 and the pressing block 10 are arranged on the movable die core 8. The fixed block 11 is fixed on the slide block insert 12, and the slide block insert 15 is hung on the slide block insert 12. Namely, the fixed block 11, the slide block insert 12 and the slide block insert 15 are regarded as a whole and named as an inclined slide block. The inclined slide block is arranged on the slide block 9. The connecting rod 301 and the first ball pin seat 302 are respectively arranged on the connecting rod insert 13 and the movable mold insert 19. Because the inclined slide block is arranged in the slide block 9 and the back of the inclined slide block is a straight body surface, when the second shovel base (5) and the seven-shaped block 6 are opened and move upwards, the slide block 9 moves leftwards, because a section (assumed to be 20mm) of the back of the inclined slide block and the second shovel base 5 is the straight body surface, when the upward movement is not more than 20mm, the inclined slide block can cause the inclined slide block to move downwards because the slide block 9 moves leftwards. When it exceeds 20mm, the oblique slider will move leftward together with the slider 9. Thereby enabling the amount of undercut in the product to be removed and then ejecting the product. After the first injection molding is completed, the semi-finished product of the sealing compound is placed in the ball cup insert 20 through the manipulator, and the second injection molding is performed to obtain a finished product.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. The mold for injection molding of the ball pin seat connecting rod is characterized by comprising a fixed mold (101) and a movable mold (102);

the fixed die (101) is provided with a fixed die core (1), and the movable die (102) is provided with a movable die core (8);

the movable die core (8) is provided with a plurality of inclined slide block components, at least one inclined slide block component in the plurality of inclined slide block components is connected with a connecting rod insert (13) and at least one inclined slide block component is connected with a ball head seat insert (20);

the inclined slide block assembly comprises a movable mold insert (19) and two slide blocks (9), the two slide blocks (9) are slidably and oppositely arranged on the movable mold core (8), and the slide blocks (9) and the movable mold core (8) form a first sliding pair; the fixed die core (1) is provided with a shovel base assembly matched with the inclined slide block assembly, and the shovel base assembly and the inclined slide block assembly form a second sliding pair;

the two sliding blocks (9) and the movable mold insert (19) jointly enclose an injection molding chamber (201), and the injection molding chamber (201) is used for accommodating the connecting rod (301) and the first ball pin base (302) or accommodating a part of a glue sealing semi-finished product after the connecting rod (301) and the first ball pin base (302) are sealed and the second ball pin base (303);

the connecting rod insert (13) is provided with a connecting rod end groove (202), a magnet (16) is arranged in the connecting rod end groove (202), the connecting rod end groove (202) is communicated with an injection molding chamber (201) on the inclined slide block assembly, the connecting rod end groove (202) and the injection molding chamber (201) are jointly used for accommodating a connecting rod (301) and a first ball pin seat (302), and the magnet (16) is magnetically connected with one end of the connecting rod (301);

the ball head seat insert (20) is provided with a ball head seat groove (203), the ball head seat groove (203) is communicated with an injection molding chamber (201) on the other inclined slide block assembly, and the ball head seat groove (203) and the injection molding chamber (201) are jointly used for containing a semi-finished product of sealing glue and a second ball pin seat (303);

the two sliding blocks (9) have two states of die assembly and die disassembly, and when the shovel base assembly is at the first position, the two sliding blocks (9) are in the die assembly state;

when the movable mould core (8) moves away from the fixed mould core (1) along the axis direction, the shovel base assembly can drive one sliding block (9) to move away from the other sliding block (9) or drive the two sliding blocks (9) to move away from each other and the two sliding blocks (9) are in a mould opening state when the shovel base assembly moves to a second position.

2. The mold for injection molding of a ball and pin seat connecting rod according to claim 1, wherein the core insert (8) has a plurality of mounting locations on which two slide blocks (9) are mounted;

first limiting grooves (81) are formed in two sides of the mounting position, and first limiting edges (91) are respectively arranged at two ends of the sliding block (9);

when the sliding block (9) slides on the installation position, the first limiting edges (91) respectively slide in the respective first limiting grooves (81) to form first sliding pairs, and the first limiting edges (91) are limited by the corresponding first limiting grooves (81).

3. The mold for injection molding of the ball and pin seat connecting rod according to claim 1, wherein the shovel base assembly comprises a second shovel base (5) and seven star blocks (6), the second shovel base (5) is installed on the cavity block (1), and the seven star blocks (6) are arranged on one side or two sides of the second shovel base (5);

the sliding block (9) is provided with a first inclined surface (92), two sides of the first inclined surface (92) are respectively provided with a second limiting groove (93), the seven-star block (6) is provided with a second inclined surface (61), and two sides of the second inclined surface (61) are respectively provided with a second limiting edge (62);

the second inclined surface (61) is matched with the first inclined surface (92), the second limiting edge (62) is located in the second limiting groove (93), and when the movable die core (8) moves away from the fixed die core (1) along the axis direction, the second limiting edge (62) can be driven to slide in the respective second limiting groove (93) to form a second sliding pair so as to drive the two sliding blocks (9) to be separated.

4. The mold for injection molding of a ball and pin seat connecting rod according to claim 3, wherein the core insert (8) is parallel to the core insert (1).

5. The mold for injection molding of a ball-and-socket connecting rod according to claim 4, characterized in that the seven-star block (6) has a guide groove (63) and the guide groove (63) is located between two second limiting edges (62), the slide block (9) has a fixing block (11);

when the shovel base assembly moves from the first position to the second position, the fixed block (11) slides in the guide groove (63), wherein the surface of the joint of the fixed block (11) and the guide groove (63) is perpendicular to the fixed die core (1).

6. The mold for injection molding of a ball-and-pin-seat connecting rod according to claim 1, wherein the slanted slide assembly comprises a slide insert (15), a first insert (17), and a second insert (18);

one side of the injection molding cavity (201) is provided with a slide block insert (15), the slide block insert (15) is located above the movable mold insert (19), and a second insert (18), a first insert (17) and the second insert (18) are sequentially arranged in the direction towards the other side of the injection molding cavity (201) and located below the injection molding cavity (201).

7. The mold for injection molding of the ball and pin seat connecting rod according to claim 1, wherein a glue injection hole (94) is formed between the two sliding blocks (9), and the core insert (1) is provided with a hot nozzle sleeve (7);

when the die is closed, the hot nozzle sleeve (7) is connected with the glue injection hole (94) and is coaxially arranged.

8. The mold for injection molding of a ball and pin seat connecting rod according to claim 1, wherein the core insert (1) is provided with a first shovel base (4) matching the connecting rod insert (13) and a third shovel base matching the ball and pin seat insert (20);

when the shovel is in a die assembly state, the first shovel base (4) is installed on the connecting rod insert (13) in a matching mode to form a connecting rod end groove (202);

the third shovel base is arranged on the ball head base insert (20) in a matched mode to form a ball head base groove (203).

9. The mold for injection molding of a ball and pin seat connecting rod according to claim 1, wherein the slider (9) has a flow channel thereon and the flow channel is not communicated with the injection cavity (201).

10. The mold for injection molding of a ball and socket connecting rod of claim 1, wherein in a closed condition, the space between two adjacent diagonal slider assemblies matingly receives one of said shovel base assemblies;

when one shovel base assembly moves from the first position to the second position, the two sliding blocks (9) on two sides can be driven to move simultaneously.

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