CN216885056U - Plastic seat injection mold - Google Patents

Abstract

The application discloses plastics seat injection mold, including movable mould mechanism, cover half mechanism and the mechanism of loosing core to one side, the mechanism of loosing core to one side is located cover half mechanism is last, cover half mechanism includes fixed model cavity board, the mechanism of loosing core to one side includes the slope slider, horizontal slider and first cylinder, slope slider and horizontal slider all slide and connect in fixed model cavity board, the direction of sliding of slope slider inclines, the direction of sliding level of horizontal slider sets up, the cylinder body of first cylinder is installed on the outer wall of fixed model cavity board and the piston rod is connected with horizontal slider, first cylinder is used for ordering about the horizontal slider translation, the joint that slides with the slope slider is kept away from one side of first cylinder to the translation slider, the direction of sliding of translation slider for the slope slider is mutually perpendicular with the direction of sliding of slope slider for fixed model cavity board. This application has and prevents to be damaged at the drawing of patterns process because of the erection column, avoids the unable effect that uses of plastics seat.

Description

Plastic seat injection mold

Technical Field

The application relates to the technical field of injection molding, in particular to a plastic seat injection mold.

Background

The seat is widely used in daily life, and most of the bus seats are integrally formed plastic seats at present. Compared with the traditional bus seat, the integrally formed plastic seat has the advantages of light weight, high production efficiency and no great damage to passengers due to collision in the driving process of the bus.

Referring to fig. 1, plastic seat must together mould plastics the production with the mounting groove that supplies pedestal mounting in process of production, and should be equipped with the erection column in the mounting groove, after the completion of moulding plastics, if direct ejecting with plastic seat, can make erection column and mould bump for the erection column collides with bad or hits absolutely, and then leads to plastic seat to be unable to use.

SUMMERY OF THE UTILITY MODEL

To the correlation technique among the aforesaid, avoid the unable use of plastics seat for preventing to be damaged at the drawing of patterns process because of the erection column, this application provides a plastics seat injection moulding production mould.

The application provides a plastics seat injection mold adopts following technical scheme:

the utility model provides a plastics seat injection mold, includes movable mould mechanism, cover half mechanism and the mechanism of loosing core to one side, the mechanism of loosing core to one side is located cover half mechanism, cover half mechanism includes fixed model cavity board, the mechanism of loosing core to one side includes slope slider, horizontal slider and first cylinder, slope slider and horizontal slider all slide and connect in fixed model cavity board, the direction of sliding of slope slider inclines, the direction of sliding of horizontal slider sets up horizontally, the cylinder body of first cylinder is installed on the outer wall of fixed model cavity board and the piston rod is connected with horizontal slider, first cylinder is used for ordering about horizontal slider translation, one side that first cylinder was kept away from to horizontal slider slides the joint with the slope slider, horizontal slider is mutually perpendicular for the direction of sliding of slope slider and the direction of sliding of slope slider for fixed model cavity board.

Through adopting above-mentioned technical scheme, at the drawing of patterns in-process, when plastics seat was kept away from to movable mould mechanism, under the drive of first cylinder, horizontal slider moved at the horizontal direction, and then drives the motion that the inclined sliding block was breaking away from plastics seat, through the drive of horizontal slider, can effectively practice thrift the occupation space of the mechanism of loosing core to one side, avoids taking place to interfere with other spare parts. The inclined sliding block moves towards the direction far away from the plastic seat, so that the inclined core pulling mechanism can be smoothly pulled out, and cannot interfere or collide with other parts of the mold, and the condition that the plastic seat cannot be used due to the fact that the mounting column is damaged in the demolding process is effectively reduced.

Preferably, one end of the inclined sliding block, which is close to the horizontal sliding block, is provided with a guide groove with a T-shaped cross section, one end of the horizontal sliding block, which is close to the inclined sliding block, is provided with a guide block with a T-shaped cross section, and the guide block is embedded in the guide groove.

Through adopting above-mentioned technical scheme, slope slider and horizontal slider are in the same place through self structure looks gomphosis, and bolted connection is more inseparable relatively, can make joint strength increase, and difficult emergence drops.

Preferably, the fixed model cavity plate is provided with a first sliding groove, the horizontal sliding block is arranged in the first sliding groove in a sliding manner, the lower side of the first sliding groove is communicated with the lower surface of the fixed model cavity plate, and the horizontal mounting block is detachably arranged in the lower side of the first sliding groove.

Through adopting above-mentioned technical scheme, horizontal slider can only move in first sliding groove under the restriction of cover half die cavity board and horizontal installation piece, can prevent effectively that horizontal slider from taking place the skew in the motion process. Meanwhile, the horizontal mounting block can be disassembled, so that the inclined core pulling mechanism can be conveniently disassembled, and the situation that parts are damaged and difficult to maintain and replace in the using process is avoided.

Preferably, the fixed mould cavity plate is provided with a second sliding groove in an inclined mode, the inclined sliding block can be installed in the second sliding groove in a sliding mode, the upper side of the second sliding groove is communicated with the upper surface of the fixed mould cavity plate, and the lower side of the second sliding groove is communicated with one end, close to the center of the fixed mould cavity plate, of the first sliding groove.

Through adopting above-mentioned technical scheme, the slope slider can slide the motion in the second sliding groove, and the second sliding groove has played certain limited action to the direction of motion of slope slider, can prevent that the slope slider from taking place the skew at the drawing of patterns in-process, avoids slope slider and product to take place to interfere.

Preferably, the inclined core pulling mechanism further comprises a positioning sliding block, a second mounting groove is formed in the upper surface of the horizontal mounting block, the second mounting groove is parallel to the axis of the horizontal sliding block, the positioning sliding block is mounted in the second mounting groove, a positioning sliding groove is formed in one surface, close to the horizontal mounting block, of the horizontal sliding block, the positioning sliding groove corresponds to the second mounting groove, and one end, far away from the horizontal mounting block, of the positioning sliding block is located in the positioning sliding groove.

Through adopting above-mentioned technical scheme, horizontal slider can only move along the direction of location spout under the injecing of horizontal installation piece, can prevent effectively that horizontal slider from taking place the skew in the motion process, takes place to interfere with other parts of mould, and then prevents that the slope slider from taking place the skew in the motion process, takes place to interfere with the plastics seat, and the plastics seat that leads to damages.

Preferably, the inclined core pulling mechanism further comprises a connecting block with a T-shaped cross section, an installation groove with a T-shaped cross section is formed in one end, away from the inclined sliding block, of the horizontal sliding block, the connecting block is embedded in the installation groove, and the first air cylinder is connected with one side, away from the horizontal sliding block, of the connecting block.

By adopting the technical scheme, the first air cylinder and the horizontal sliding block are connected by the connecting block, the first air cylinder drives the connecting block to move in the horizontal direction so as to drive the horizontal sliding block to move, and the horizontal sliding block is driven by the first air cylinder to drive the inclined sliding block to be separated from the plastic seat, so that the inclined sliding block and the plastic seat can be prevented from colliding due to the fact that the force and the direction of the inclined sliding block are unstable in the demolding process; first cylinder passes through the connecting block to be connected with horizontal slider, when one of them part takes place to damage, can change alone, reduces cost of maintenance.

Preferably, the inclined core pulling mechanism further comprises a limiting assembly, the limiting assembly comprises a first limiting rod and a second cylinder, the axis of the first limiting rod is horizontal and perpendicular to the sliding direction of the horizontal sliding block, one end of the first limiting rod is fixedly connected with the piston rod of the second cylinder, and when the movable die mechanism and the fixed die mechanism are assembled, the piston rod of the second cylinder is ejected out to drive the first limiting rod to be inserted into the horizontal sliding block.

Through adopting above-mentioned technical scheme, at the in-process of moulding plastics, first cylinder drive horizontal slider drives the inclined sliding block and moves to the assigned position, and the second cylinder drives first gag lever post simultaneously and moves towards horizontal slider along the axial to insert in the horizontal sliding block. The horizontal sliding block can be positioned at an accurate position when the die works through the first limiting rod, and a positioning effect is achieved; meanwhile, the horizontal sliding block can be prevented from sliding in the production process.

Preferably, the limiting assembly further comprises a second limiting rod, the second limiting rod is vertically arranged, the upper end of the second limiting rod is fixedly connected with the movable die mechanism, and when the movable die mechanism and the fixed die mechanism are assembled, the lower end of the second limiting rod is inserted into the horizontal smooth block.

Through adopting above-mentioned technical scheme, this second stop lever plays the positioning action to horizontal sliding block, and messenger horizontal sliding block that can be comparatively convenient moves and stops after accurate position, can also prevent that horizontal sliding block from taking place to slide in process of production simultaneously. When the die is closed, the second limiting rod moves downwards along with the movable die mechanism and can move towards the horizontal sliding block along with the movable die mechanism and be inserted into the horizontal smooth block; in the die opening process, the second limiting rod is far away from the horizontal sliding block along with the movable die mechanism. The second limiting rod is driven to move in the vertical direction through the movable die mechanism, a driving source does not need to be additionally arranged, energy can be saved, and production cost is reduced.

Preferably, the core pulling mechanism further comprises an ejection mechanism, the ejection mechanism is located below the inclined core pulling mechanism, the ejection mechanism comprises a plurality of vertically arranged ejector pins and an ejector plate, the ejector pins are vertically arranged in the direction, the lower ends of the ejector pins are fixedly mounted on the ejector plate, and the ejector plate moves in the vertical direction.

Through adopting above-mentioned technical scheme, at the die sinking in-process, the ejector plate upward movement drives each thimble upward movement simultaneously, and each thimble directly is ejecting with plastic seat, can avoid the manual work to take out the in-process plastic seat that takes out that the power inequality leads to and the mould bumps to can shorten the time of taking out, can improve production efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

the application of the inclined core-pulling mechanism can prevent the mounting column from being damaged in the demolding process, and prevent the plastic seat from being unusable;

the arrangement of the limiting assembly can enable the inclined core pulling mechanism to rapidly and accurately move to an accurate position in the production process, and meanwhile, the inclined core pulling mechanism can be prevented from sliding in the production process;

the design that the horizontal sliding block drives the inclined sliding block saves the occupied space of the inclined core pulling mechanism, has less limitation on the use space of the die and also saves the occupied space of the die;

the ejection mechanism can shorten the taking-out time and improve the production efficiency of the die.

Drawings

FIG. 1 is a schematic structural view of a plastic seat;

FIG. 2 is a schematic structural view of an injection mold for plastic seats;

FIG. 3 is an exploded view of the moving mold mechanism of the plastic seat injection mold;

FIG. 4 is an exploded view of the plastic seat injection mold clamping mechanism, the diagonal core pulling mechanism and the ejection mechanism;

FIG. 5 is an exploded view of the diagonal core-pulling mechanism of the plastic seat injection mold;

fig. 6 is a sectional view of a diagonal core-pulling mechanism of the plastic seat injection mold.

Description of reference numerals:

1. a plastic seat; 11. a seat plate; 111. mounting grooves; 1111. mounting a column; 2. a chair back; 2. a moving die mechanism; 21. a movable die holder; 211. a sprue bush; 212. positioning rings; 22. a movable mold core plate; 221. a first guide sleeve; 3. a die fixing mechanism; 31. determining a model cavity plate; 311. a first guide post; 32. fixing a die foot cushion block; 33. a fixed die bottom plate; 331. mounting a rod; 332. a support block; 34. a first sliding groove; 35. a second sliding groove; 4. an inclined core-pulling mechanism; 41. a horizontal slider; 411. a guide block; 412. installing a groove; 413. a first limiting through hole; 414. a limiting rod sleeve; 415. positioning the chute; 42. connecting blocks; 43. a tilting slide; 431. a guide groove; 44. a vertical mounting block; 45. a first cylinder; 46. a horizontal mounting block; 461. a second mounting groove; 47. positioning the sliding block; 48. a limiting component; 481. a first limit rod; 482. a second cylinder; 483. a second limiting rod; 5. an ejection mechanism; 51. mounting a plate; 52. ejecting the plate; 521. a thimble; 522. a reset lever; 523. a return spring; 53. a limiting column; 531. a limiting sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Referring to fig. 1, in the related art, a plastic seat 1 is mainly applied to a bus, and is an integrally formed seat, and includes a seat plate 11 and a seat back 2, wherein a mounting groove 111 for mounting a base is provided on a surface of the seat plate 11 away from the seat back 2, and a mounting post 1111 is provided in the mounting groove 111.

The embodiment of the application discloses plastics seat injection mold. Referring to fig. 2, the plastic seat injection mold comprises a movable mold mechanism 2, a fixed mold mechanism 3, an inclined core-pulling mechanism 4 and an ejection mechanism 5. The movable die mechanism 2 is positioned above the fixed die mechanism 3, and the inclined core-pulling mechanism 4 and the ejection mechanism 5 are both arranged on the fixed die mechanism 3.

Referring to fig. 3, the moving mold mechanism 2 includes a moving mold base 21 and a moving mold core plate 22, and the moving mold base 21 is located above the moving mold core plate 22. A sprue bush 211 and a positioning ring 212 are arranged on the movable die holder 21, and the positioning ring 212 is positioned at the central position of one side of the movable die holder 21 far away from the movable model core plate 22; the sprue bush 211 is positioned in the positioning ring 212, and penetrates through the movable die holder 21 and the movable model core plate 22 from top to bottom in sequence in the vertical direction, and a main runner is arranged in the sprue bush 211. Four vertical through holes of the first guide posts 311 are arranged at four corners of the moving mold core plate 22, and a first guide sleeve 221 is arranged in each through hole of the first guide post 311.

Referring to fig. 4, the stationary mold mechanism 3 includes a stationary mold cavity plate 31, a stationary mold shoe block 32, and a stationary mold base plate 33. The fixed mold cavity plate 31 is positioned under the movable mold core plate 22, and the fixed mold cavity plate 31 and the movable mold core plate 22 are mutually closed to form a cavity for molding the plastic seat 1; four first guide posts 311 are arranged on the fixed model cavity plate 31, each first guide post 311 is vertically arranged and respectively positioned at four corners of the movable model core plate 22, upwards passes through the fixed model cavity plate 31 and the movable model core plate 22 in sequence and is inserted into the first guide sleeve 221; a first sliding groove 34 for installing the inclined core-pulling mechanism 4 is arranged on one short side of the fixed mold cavity plate 31, and the first sliding groove 34 is opened towards one side far away from the movable mold core plate 22.

The fixed mold foot cushion block 32 is located below the fixed model cavity plate 31, the fixed mold foot cushion block 32 is provided with two blocks and is distributed oppositely, and each fixed mold foot cushion plate is respectively installed on the long edge of the fixed model cavity plate 31.

The fixed die bottom plate 33 is positioned below the fixed die foot cushion blocks 32 and is lapped between the two fixed die foot cushion blocks 32, a plurality of installation rods 331 are installed on the fixed die foot cushion blocks 32, and each installation rod 331 vertically and sequentially penetrates through the fixed die bottom plate 33, the fixed die foot cushion blocks 32 and the fixed die cavity plate 31 to connect the plate blocks in series. The fixed die bottom plate 33 is also provided with a plurality of supporting blocks 332, each supporting block 332 is vertically arranged and is positioned in a die cavity formed by the fixed die bottom plate 33 and the fixed die foot pad 32, one end of each supporting block 332 is inserted into the fixed die bottom plate 33 and is connected with the fixed die bottom plate 33 through a bolt, the other end of each supporting block 332 is abutted against the fixed die cavity plate 31, the fixed die cavity plate 31 is supported, and the fixed die cavity plate is prevented from deforming under the action of gravity.

Referring to fig. 5 and 6, the inclined core-pulling mechanism 4 is located in the first sliding groove 34 on the fixed pattern cavity plate 31, and the inclined core-pulling mechanism 4 includes a horizontal slider 41, a connecting block 42, an inclined slider 43, a positioning slider 47, a first cylinder 45, a horizontal mounting block 46, a vertical mounting block 44 and a limiting assembly 48.

The horizontal sliding block 41 is horizontally movably installed in the fixed model cavity plate 31, and one end of the horizontal sliding block 41 close to the inclined sliding block 43 is provided with a T-shaped guide block 411. One end of the horizontal sliding block 41, which is far away from the inclined sliding block 43, is provided with a mounting groove 412, the mounting groove 412 is in a T shape and vertical in direction, the shape of the connecting block 42 corresponds to the mounting groove 412, and the connecting block 42 is mounted in the mounting groove 412. Through the connection of the tenon-and-mortise-like structures, the use of bolts is reduced, and the connection strength of the connection parts is enhanced.

A first limiting through hole 413 for installing the limiting assembly 48 is arranged on the vertical surface of the horizontal sliding block 41, and the axis of the first limiting through hole 413 is horizontally arranged and is perpendicular to the long edge of the fixed die cavity plate 31; the horizontal sliding block 41 is further provided with two second limiting through holes for mounting the limiting assembly 48, the axes of the two second limiting through holes are vertically arranged, and the second limiting through holes are internally provided with limiting rod sleeves 414. One side of the horizontal slider 41, which is far away from the fixed die core plate, is provided with two positioning chutes 415, and the two positioning chutes 415 are positioned on the horizontal plane and are parallel to each other and the long edge of the fixed die core plate.

The inclined slide block 43 is arranged in a second sliding groove 35 on the fixed model cavity plate 31 in an inclined sliding way, the upper side of the second sliding groove 35 is communicated with the upper surface of the fixed model cavity plate 31 to form a part of the mounting groove 111 on the molded plastic seat 1, and the lower side of the second sliding groove 35 is communicated with one end of the first sliding groove 34 close to the center of the fixed model cavity plate 31. A guide groove 431 with a T-shaped cross section is formed in one side face, away from the center of the fixed model cavity plate 31, of the inclined slide block 43, the length direction of the guide groove 431 is arranged in an inclined mode, the sliding direction of the inclined slide block 43 is perpendicular to the length direction of the guide groove 431, and the guide block 411 is installed in the guide groove 431 and connected with the guide groove 431 in a sliding mode.

When the guide block 411 is moved horizontally by the horizontal slider 41, the tilt slider 43 can be tilted accordingly due to the cooperation between the guide block 411 and the guide groove 431.

The vertical mounting block 44 is fixedly mounted on the fixed mold cavity plate 31, a first air cylinder 45 is mounted on one side, away from the horizontal sliding block 41, of the vertical mounting block 44, and a piston rod of the first air cylinder 45 penetrates through the vertical mounting block 44 to be connected with the connecting block 42, so that the connecting block 42 can be driven to move in the horizontal direction.

The horizontal installation block 46 is located below the horizontal sliding block 41, the upper surface of the horizontal installation block is attached to the lower surface of the horizontal sliding block 41, the horizontal installation block 46 is fixedly installed in the fixed die core plate, second installation grooves 461 corresponding to the two positioning sliding grooves 415 are formed in the two sides of the upper surface of the horizontal installation block 46, the two positioning sliding blocks 47 are installed in the two second installation grooves 461, the lower sides of the two positioning sliding blocks 47 are embedded in the positioning sliding grooves 415, and the upper sides of the two positioning sliding blocks 47 extend into the two positioning sliding grooves 415 respectively.

When demoulding, the first cylinder 45 can drive the connecting block 42 to move in the horizontal direction, the connecting block 42 further drives the horizontal sliding block 41 to move in the horizontal direction, the positioning sliding block 47 can limit the horizontal sliding block 41 to slide along the positioning sliding block 47 to prevent the movement direction of the horizontal sliding block 41 from deviating and interfere with other parts, the horizontal sliding block 41 drives the inclined sliding block 43 to move, so that the inclined sliding block 43 is smoothly separated to finish demoulding and does not interfere with the ejection mechanism 5.

The stopper assembly 48 includes a first stopper 481, a second air cylinder, and a second stopper 483. The piston rod of first gag lever post 481 and second cylinder is connected, and first gag lever post 481 and second cylinder 482 fixed connection are two and symmetric distribution, and the axis of two first gag lever posts 481 is located same horizontal plane, and the one end that second cylinder 482 was kept away from to two first gag lever posts 481 all can pass first spacing through-hole 413. When the injection molding machine works, the first air cylinder 45 drives the inclined sliding block 43 to the working position through the horizontal sliding block 41, then the second air cylinder drives the first limiting rod 481 to move towards the direction of the horizontal sliding block 41 until the first limiting rod 481 is inserted into the first limiting through hole 413, so that the inclined core-pulling mechanism 4 can be further determined to be located at the correct position, meanwhile, the inclined core-pulling mechanism 4 is prevented from sliding, and the produced product is guaranteed to be good.

Two second limiting rods 483 are vertically distributed, one end of each second limiting rod 483 is fixed on the movable mold core plate 22 and downwards sequentially passes through the movable mold core plate 22, the fixed mold cavity plate 31 and the limiting rod sleeve 414 on the horizontal sliding block 41, and finally is inserted into the horizontal mounting block 46. In the working process, the second cylinder 482 moves in the vertical direction along with the opening and closing of the mold, the stop rod sleeve 414 can prevent the second cylinder 482 and the horizontal slider 41 from being deformed due to excessive friction, and meanwhile, the second stop rod 483 can further determine that the inclined core pulling mechanism 4 is located at the correct position and prevent the horizontal slider 41 from sliding, so that the product is damaged.

Referring to fig. 4, the ejector mechanism 5 is located in a cavity formed by the fixed mold bottom plate 33 and the fixed mold foot pad 32, and includes a stopper 53, a mounting plate 51, and an ejector plate 52. The mounting plate 51 is fixedly mounted on the stationary mold base plate 33, and the ejector plate 52 is positioned on the mounting plate 51.

A plurality of ejector pins 521 which are vertical in the direction are arranged on the ejector plate 52 and penetrate through the ejector plate 52 and the fixed mould cavity plate to abut against a product, four corners of the ejector plate 52 are provided with reset rods 522 which are vertical in the direction, and the reset rods 522 penetrate through the ejector plate 52 and the fixed mould cavity plate 31 upwards to abut against the movable mould core plate 22; one end of the reset rod 522 close to the ejector plate 52 is sleeved with a reset spring 523, and two ends of the reset spring 523 respectively abut against the ejector plate 52 and the fixed die cavity plate 31.

The number of the limiting columns 53 is four, each limiting column 53 is located beside the reset rod 522, one end of each limiting column 53 is fixedly mounted on the fixed die base plate 33, each limiting column 53 sequentially penetrates through the mounting plate 51 and the ejector plate 52 upwards, a limiting sleeve 531 is arranged between the mounting plate 51 and the ejector plate 52, and the limiting sleeve 531 is sleeved on the limiting column 53.

In the demolding process, the ejector plate 52 moves upwards along the limiting columns 53 to compress the reset springs 523, the ejector pins 521 also move upwards to eject the product, so that the product can be taken down by workers conveniently, the working efficiency is improved, the damage to the product caused by uneven force application of the workers in the taking-out process can be effectively prevented, the product can be taken out smoothly from the fixed model cavity plate 31, the reset springs 523 reset after the product is taken out to drive the ejector plate 52 and the ejector pins 521 to reset, and the limiting sleeve 531 can prevent the ejector plate 52 from directly colliding with the mounting plate 51 in the resetting process to play a role in buffering.

The implementation principle of the injection mold of the plastic seat 1 in the embodiment of the application is as follows: in the production process, the movable die mechanism 2 moves downwards to close the fixed die mechanism 3, the inclined core-pulling mechanism 4 advances under the action of the first air cylinder 45, the limiting component 48 operates to fix the inclined core-pulling mechanism at an accurate position and prevent the inclined core-pulling mechanism 4 from slipping in the injection molding process, and when the die is opened, the ejection mechanism 5 directly ejects a product, and a worker takes the product down.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The plastic seat injection mold is characterized by comprising a movable mold mechanism (2), a fixed mold mechanism (3) and an inclined core pulling mechanism (4), wherein the inclined core pulling mechanism (4) is positioned on the fixed mold mechanism (3), the fixed mold mechanism (3) comprises a fixed mold cavity plate (31), the inclined core pulling mechanism (4) comprises an inclined sliding block (43), a horizontal sliding block (41) and a first air cylinder (45), the inclined sliding block (43) and the horizontal sliding block (41) are connected in the fixed mold cavity plate (31) in a sliding manner, the sliding direction of the inclined sliding block (43) is inclined, the sliding direction of the horizontal sliding block (41) is horizontally arranged, a cylinder body of the first air cylinder (45) is arranged on the outer wall of the fixed mold cavity plate (31) and a piston rod of the first air cylinder is connected with the horizontal sliding block (41), and the first air cylinder (45) is used for driving the horizontal sliding block (41) to translate, one side of the horizontal sliding block (41) far away from the first air cylinder (45) is in sliding clamping connection with the inclined sliding block (43), and the sliding direction of the horizontal sliding block (41) relative to the inclined sliding block (43) is perpendicular to the sliding direction of the inclined sliding block (43) relative to the fixed model cavity plate (31).

2. The plastic seat injection mold of claim 1, wherein: one end, close to the horizontal sliding block (41), of the inclined sliding block (43) is provided with a guide groove (431) with a T-shaped cross section, one end, close to the inclined sliding block (43), of the horizontal sliding block (41) is provided with a guide block (411) with a T-shaped cross section, and the guide block (411) is embedded into the guide groove (431).

3. The plastic seat injection mold of claim 1, wherein: be provided with first sliding groove (34) on deciding model cavity board (31), horizontal slider (41) slidable installs in first sliding groove (34), the downside of first sliding groove (34) communicates with each other with the lower surface of deciding model cavity board (31), detachable installation has horizontal installation piece (46) in the downside of first sliding groove (34).

4. The plastic seat injection mold of claim 1, wherein: the mould cavity plate (31) is provided with a second sliding groove (35) in an inclined mode, the inclined sliding block (43) can be installed in the second sliding groove (35) in a sliding mode, the upper side of the second sliding groove (35) is communicated with the upper surface of the mould cavity plate (31), and the lower side of the second sliding groove (35) is close to the first sliding groove (34) and one end of the center of the mould cavity plate (31) is communicated with one another.

5. The plastic seat injection mold of claim 3, wherein: the inclined core pulling mechanism (4) further comprises a positioning sliding block (47), a second installation groove (461) is formed in the upper surface of the horizontal installation block (46), the second installation groove (461) is parallel to the axis of the horizontal sliding block (41), the positioning sliding block (47) is installed in the second installation groove (461), a positioning sliding groove (415) is formed in one surface, close to the horizontal installation block (46), of the horizontal sliding block (41), the positioning sliding groove (415) corresponds to the second installation groove (461), and one end, far away from the horizontal installation block (46), of the positioning sliding block (47) is located in the positioning sliding groove (415).

6. The plastic seat injection mold of claim 1, wherein: the inclined core pulling mechanism (4) further comprises a connecting block (42) with a T-shaped cross section, an installing groove (412) with a T-shaped cross section is formed in one end, away from the inclined sliding block (43), of the horizontal sliding block (41), the connecting block (42) is embedded into the installing groove (412), and the first air cylinder (45) is connected with one side, away from the horizontal sliding block (41), of the connecting block (42).

7. The plastic seat injection mold of claim 1, wherein: the inclined core pulling mechanism (4) further comprises a limiting assembly (48), the limiting assembly (48) comprises a first limiting rod (481) and a second air cylinder (482), the axis of the first limiting rod (481) is horizontal and perpendicular to the sliding direction of the horizontal sliding block (41), one end of the first limiting rod (481) is fixedly connected with the piston rod of the second air cylinder (482), and when the movable die mechanism (2) and the fixed die mechanism (3) are closed, the piston rod of the second air cylinder (482) is ejected out to drive the first limiting rod (481) to be inserted into the horizontal sliding block (41).

8. The plastic seat injection mold of claim 7, wherein: the limiting assembly (48) further comprises a second limiting rod (483), the second limiting rod (483) is vertically arranged, the upper end of the second limiting rod (483) is fixedly connected with the movable die mechanism (2), and when the movable die mechanism (2) and the fixed die mechanism (3) are closed, the lower end of the second limiting rod (483) is inserted into the horizontal sliding block (41).

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