Automatic ejection mold for automobile wire harness buckle

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an automatic ejection mold for a vehicle wire harness buckle, which comprises a base, a driving mechanism, an ejector sleeve ejection mechanism, a slide mechanism, a mold forming mechanism and an injection molding mechanism. According to the automatic ejection mold for the automobile wire harness buckle, after a product is formed, the push plate pushes the return pin to move upwards, the return pin abuts against the upper mold plate, the upper mold plate is pushed to move upwards, the upper mold plate is separated from the upper mold base, one-time mold opening is formed, the return pin moves upwards, the ejector rod can be driven to move upwards, the top mold plate is pushed to move upwards, and the top mold plate is separated from the upper mold plate; then the push plate pushes the push rod to move upwards, the push rod abuts against the upper mold base, the upper mold base is pushed to move upwards, the upper mold base can drive the upper mold core to move upwards, the upper mold core is separated from the lower mold core, third-time mold opening is achieved, the finished product demolding space is increased by combining the third-time mold opening with mold opening of the slide base, demolding is convenient, and rapid demolding of the mold is facilitated; and the production efficiency and quality are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and in particular relates to an automatic ejection mold for a wiring harness buckle for a vehicle. Background Art

[0002] As we all know, injection molds are commonly used molds for molding plastic parts. Plastic parts of various forms can be molded through injection molds to meet people's various needs. Due to various process requirements of plastic parts, it is necessary to open holes or grooves on the side walls of plastic parts. Correspondingly, the injection mold is provided with corresponding side core pulling mechanisms and ejection mechanisms, so that the side core pulling mechanisms and ejection mechanisms can be used to perform side core pulling and ejection actions on the molded product during the mold opening process, so as to achieve the purpose of forming holes or grooves on the molded product.

[0003] Automobile wiring harness buckle plastic parts are a key component of the automobile wiring harness system and an important assembly part that needs to be mass-produced. In the prior art, in the production of injection molds for automobile wiring harness buckles, direct ejector and stripper plate are generally used for one-time ejection. For some products with large curvature or bends, the plastic workpiece is easily stuck on the mold after being ejected and demolded, and the workpiece cannot fall off automatically. After one ejection, the workpiece cannot be completely separated from the mold or the workpiece cannot be detached by the ejection mechanism, and manual demolding is required, or the ejection stroke of the ejection mechanism needs to be increased, which is time-consuming and inconvenient to use, affecting the efficiency of product processing, the demolding of the finished product, and the quality of the finished product. Utility Model Content

[0004] The utility model aims to provide an automatic ejection mold for automotive wiring harness buckles, aiming to solve the technical problems in the prior art that the mold is time-consuming, inconvenient to use, affects the efficiency of product processing, affects the demoulding of finished products, and affects the quality of finished products.

[0005] To achieve the above-mentioned purpose, the embodiment of the utility model provides an automatic ejection mold for a wiring harness buckle for a vehicle, comprising a base, a driving mechanism, a sleeve ejection mechanism, a sliding mechanism, a mold forming mechanism and an injection molding mechanism, wherein the driving mechanism is arranged on the base and connected to the sleeve ejection mechanism and the mold forming mechanism respectively, the sleeve ejection mechanism is arranged between the driving mechanism and the sliding mechanism, the sliding mechanism is connected to the driving mechanism and abuts against the mold forming mechanism through the driving mechanism, and the mold forming mechanism is arranged above the sliding mechanism;

[0006] The driving mechanism comprises a push plate, a bottom plate and a push rod, wherein the push plate is movably arranged on the base, the bottom plate is connected to the top of the push plate and movably arranged on the base, and one end of the push rod is connected to the bottom plate;

[0007] The sleeve ejection mechanism includes a sleeve, a sleeve needle and a lower mold base, the sleeve is movably sleeved on the sleeve needle and connected to the lower mold base, the sleeve needle is connected to the bottom plate and penetrates the mold forming mechanism, and the lower mold base is connected to the push rod;

[0008] The slide mechanism includes a slide seat, a return spring and an inclined guide column. The slide seat is connected to the top of the lower die seat. The return spring abuts against the slide seat and the die forming mechanism respectively. The inclined guide column is connected to the slide seat in an inclined shape. There are multiple inclined guide columns, which are all connected to the slide seat.

[0009] The mold forming mechanism comprises a lower mold core, an upper mold core, an upper mold base and an upper mold plate, the lower mold core is connected to the lower mold base, the upper mold core is connected to the upper mold base, the upper mold core is pressed on the upper part of the lower mold core, a forming cavity is formed between the upper mold core and the lower mold core, the upper mold base is arranged above the lower mold base, the upper mold plate is arranged above the upper mold base, and one end of the return spring abuts against the lower mold core;

[0010] The injection molding mechanism includes an injection molding nozzle, an injection molding tube and a return pin. One end of the injection molding nozzle extends into the upper mold plate and is fixed to the upper mold plate. One end of the injection molding tube is connected to the injection molding nozzle, and the other end passes through the upper mold base and the upper mold core in sequence and is arranged in the lower mold core. The return pin is arranged on one side of the injection molding nozzle and passes through the upper mold plate and the upper mold base in sequence.

[0011] As an optional solution of the present invention, four push rods are provided and are fixedly connected to the four corners of the base plate respectively. The adjacent push rods are arranged in parallel and opposite to each other. A push rod spring is fixedly sleeved on the outer side of each push rod. The push rod spring is arranged between the base plate and the lower mold base, and respectively abuts against the base plate and the lower mold base.

[0012] As an optional solution of the present invention, the sleeve pullers and sleeve puller needles are provided in multiple numbers and in equal quantities, the multiple sleeve pullers are evenly fixedly connected to the lower mold base, the multiple sleeve puller needles are evenly fixedly connected to the base plate at one end, and the other end passes through the lower mold base and extends into the lower mold core.

[0013] As an optional solution of the present invention, four sliding seats are provided, and the four sliding seats are arranged around the lower die core and the upper die core, and are respectively abutted against the lower die core and the upper die core, and each sliding seat is respectively provided with the inclined guide column and the return spring, and the angle formed by the side of the inclined guide column close to the lower die core and the sliding seat is 60-80°, and the return spring is respectively elastically abutted against the sliding seat and the lower die core.

[0014] As an optional solution of the present invention, the lower mold core matches the shape of the upper mold core, the upper mold core is fixedly connected to a heat insulation board, the heat insulation board is provided with a plurality of heat conduction holes, the injection tube passes through the upper mold core, the heat insulation board, and extends into the lower mold core.

[0015] As an optional solution of the present invention, a top template is arranged on the top side of the upper template, the injection nozzle is fixed to the top template and the upper template in sequence, a push rod is fixedly connected to the top template, the push rod passes through the top template and the upper template in sequence, and extends into the upper mold base to be fixedly connected to the top end of the return pin.

[0016] As an optional solution of the present invention, a plurality of injection tubes and return pins are provided, and the plurality of injection tubes pass through the upper mold base and the upper mold core in sequence, and extend into the lower mold core; the return pins are provided at the four corners of the upper mold base, and the return pins are passed through the lower mold base in sequence, and extend into the upper mold base and are fixedly connected to the push rod, and a return pin spring is fixedly sleeved on the outer side of each return pin, and the return pin spring is provided at the top of the return pin, and is provided between the upper mold base and the upper mold base.

[0017] As an optional solution of the present invention, the lower die base, the upper die base and the upper die plate are all fixedly connected with water cooling pipes, and the water cooling pipes are arranged along the edges of the lower die core and the upper die core.

[0018] As an optional solution of the present invention, a guide rod is fixedly connected to the base, and four guide rods are provided, which are respectively arranged at the four corners of the base. The guide rods pass through the lower mold base, the upper mold base, the upper mold plate and the top mold plate in sequence.

[0019] The above one or more technical solutions in the automatic ejection mold for the automotive wiring harness buckle provided by the embodiment of the utility model have at least one of the following technical effects:

[0020] The automotive wiring harness buckle automatic ejection mold provided by the present application includes a base, a driving mechanism, a sleeve ejection mechanism, a sliding mechanism, a mold forming mechanism and an injection molding mechanism. After the product is cooled and formed in the lower mold core and the upper mold core, the push plate pushes the return pin to move upward, the return pin abuts against the upper mold plate, pushes the upper mold plate to move upward, and separates the upper mold plate from the upper mold base to form a one-time mold opening. While the return pin moves upward, it will drive the ejector rod to move upward, push the top mold plate to move upward, and separate the top mold plate from the upper mold plate to achieve a secondary mold opening, and then The rear push plate pushes the push rod to move upward, and the push rod abuts against the upper mold seat, pushing the upper mold seat upward. The upper mold seat will drive the upper mold core to move upward and separate the upper mold core from the lower mold core, realizing three-time mold opening. During the upward movement of the upper mold core, the inclined guide column will be pushed outward, and the inclined guide column will push the slider seat outward, thereby separating the slider seat from the upper mold core and the lower mold core. Through three-time mold opening and combined with the slider seat mold opening, the demoulding space for the finished product is increased, which is convenient for demoulding, conducive to rapid demoulding of the mold, reduces demoulding time, and improves production efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 A schematic structural diagram of an automatic ejection mold for a vehicle wiring harness buckle provided in an embodiment of the present invention.

[0023] Figure 2 A side view of an automatic ejection mold for a vehicle wiring harness buckle provided in an embodiment of the present invention.

[0024] Figure 3 for Figure 2 Cross-sectional view along DD.

[0025] Figure 4 A schematic structural diagram of the automatic ejection mold for automotive wiring harness buckles provided in an embodiment of the present invention after omitting the lower mold base, upper mold base, upper mold plate and ejector mold plate.

[0026] Figure 5 A side view of the automatic ejection mold for automotive wiring harness buckles provided in an embodiment of the present invention with the lower mold base, upper mold base, upper mold plate and top mold plate omitted.

[0027] Among them, the reference numerals in the figure are:

[0028] 11. Base; 12. Push plate; 13. Bottom plate; 14. Push rod; 15. Sleeve; 16. Sleeve needle; 17. Lower die seat; 18. Sliding seat; 20. Inclined guide pillar; 21. Lower die core; 22. Upper die core; 23. Upper die seat; 24. Upper mold plate; 25. Injection nozzle; 26. Injection tube; 27. Return needle; 28. Push rod spring; 29. ​​Top mold plate; 30. Push rod; 31. Return needle spring; 32. Water cooling tube; 33. Guide rod. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0032] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0033] In one embodiment of the present invention, Figures 1 to 5As shown, an automatic ejection mold for automotive wiring harness buckles is provided, including a base 11, a driving mechanism, a sleeve ejection mechanism 15, a sliding mechanism, a mold forming mechanism and an injection molding mechanism. The driving mechanism is arranged on the base 11 and is respectively connected to the sleeve ejection mechanism 15 and the mold forming mechanism. The sleeve ejection mechanism 15 is arranged between the driving mechanism and the sliding mechanism. The sliding mechanism is connected to the driving mechanism and abuts against the mold forming mechanism through the driving mechanism. The mold forming mechanism is arranged above the sliding mechanism. The driving mechanism includes a push plate 12, a bottom plate 13 and a push rod 14. The push plate 12 is movably arranged on the base 11. The bottom plate 13 is fixedly connected to the top of the push plate 12 and movably arranged on the base 11. One end of the push rod 14 is fixedly connected to the bottom plate 13. The ejection mechanism of the sleeve 15 includes the sleeve 15, the sleeve needle 16 and the lower die seat 17. The sleeve 15 is movably sleeved on the sleeve needle 16 and fixedly connected to the lower die seat 17. The sleeve needle 16 is fixedly connected to the bottom plate 13 and penetrates the mold forming mechanism. The lower die seat 17 is connected to the push rod 14. The slide mechanism includes a slide seat 18, a reset spring and an inclined guide column 20. The slide seat 18 is connected to the upper part of the lower die seat 17. The reset spring abuts against the slide seat 18 and the mold forming mechanism respectively. The inclined guide column 20 is connected to the slide seat 18 in an inclined shape. There are multiple inclined guide columns 20, which are all fixedly connected to the slide seat 18. The slide seat 18 clamps the upper die core 22 and the lower die core 21 through the reset spring. The mold forming mechanism includes a lower mold core 21, an upper mold core 22, an upper mold base 23 and an upper mold plate 24. The push rod 14 passes through the lower mold base 17 and abuts against the upper mold base 23. The lower mold core 21 is fixedly connected to the lower mold base 17, and the upper mold core 22 is fixedly connected to the upper mold base 23. The upper mold core 22 is pressed on the top of the lower mold core 21. A molding cavity is formed between the upper mold core 22 and the lower mold core 21 for product molding. The upper mold base 23 is arranged above the lower mold base 17, and the upper mold plate 24 is arranged above the upper mold base 23. One end of the return spring abuts against the lower mold core 21. The injection mechanism includes an injection nozzle 25, an injection tube 26 and a return pin 27. One end of the injection nozzle 25 extends into the upper mold plate 24 and is fixed to the upper mold plate 24. One end of the injection tube 26 is fixedly connected to the injection nozzle 25, and the other end passes through the upper mold base 23 and the upper mold core 22 in sequence and is arranged in the lower mold core 21. The return pin 27 is arranged on one side of the injection nozzle 25 and passes through the upper mold plate 24 and the upper mold base 23 in sequence. The hot melt material enters from the injection nozzle 25 and is injected into the lower mold core 21 through the injection tube 26. The material is cooled and formed in the molding cavity formed by the lower mold core 21 and the upper mold core 22.The automotive wiring harness buckle automatic ejection mold provided by the present application, after the product is cooled and formed in the lower mold core 21 and the upper mold core 22, the push plate 12 pushes the return pin 27 to move upward, the return pin 27 abuts against the upper mold plate 24, pushes the upper mold plate 24 to move upward, and separates the upper mold plate 24 from the upper mold base 23, forming a primary mold opening, while the return pin 27 moves upward, it will drive the ejector rod 30 to move upward, push the top mold plate 29 to move upward, and separate the top mold plate 29 from the upper mold plate 24, to achieve secondary mold opening, and then the push plate 12 pushes the push rod 14 to move upward, and the push rod 14 It abuts against the upper mold base 23 and pushes the upper mold base 23 upward. The upper mold base 23 will drive the upper mold core 22 to move upward and separate the upper mold core 22 from the lower mold core 21 to achieve three-time mold opening. During the upward movement of the upper mold core 22, the inclined guide pillar 20 will be pushed outward, and the inclined guide pillar 20 will push the slider seat 18 outward, thereby separating the slider seat 18 from the upper mold core 22 and the lower mold core 21. Through three-time mold opening and combined with the mold opening of the slider seat 18, the demoulding space of the finished product is increased, which is convenient for demoulding, conducive to rapid demoulding of the mold, reduces demoulding time, and improves production efficiency and quality.

[0034] In another embodiment of the present invention, four push rods 14 are provided and are fixedly connected to the four corners of the base plate 13 respectively. Adjacent push rods 14 are arranged parallel to each other. A push rod spring 28 is fixedly sleeved on the outer side of each push rod 14, which has an elastic buffering effect. The push rod spring 28 is arranged between the base plate 13 and the lower mold base 17, and respectively abuts against the base plate 13 and the lower mold base 17.

[0035] In another embodiment of the present invention, multiple sleeves 15 and sleeve needles 16 are provided, and the number is the same. Multiple sleeves 15 are evenly fixedly connected to the lower mold base 17. One end of multiple sleeve needles 16 is evenly fixedly connected to the bottom plate 13, and the other end passes through the lower mold base 17 and extends into the lower mold core 21. The push plate 12 pushes the bottom plate 13 and the sleeve needles 16 to move upward, and the sleeve needles 16 eject the molded product in the molding cavity. The sleeve 15 can scrape the molding material on the sleeve needles 16.

[0036] In another embodiment of the present invention, four slider seats 18 are provided, and the four slider seats 18 are provided around the lower mold core 21 and the upper mold core 22, and are respectively in contact with the lower mold core 21 and the upper mold core 22. Each slider seat 18 is respectively provided with an inclined guide column 20 and a reset spring, and the angle formed between the inclined guide column 20 and the slider seat 18 on the side close to the lower mold core 21 is 60-80°, preferably 75°. The reset spring is elastically in contact with the slider seat 18 and the lower mold core 21, respectively. The slider seat 18 is in contact with the lower mold core 21 and the upper mold core 22 through the reset spring, and the lower mold core 21 and the upper mold core 22 are clamped, so that the sleeve needle 16 can eject the material in the molding cavity.

[0037] In another embodiment of the present invention, the lower mold core 21 matches the upper mold core 22 in shape, a heat insulation board is fixedly connected to the upper mold core 22, a plurality of heat conduction holes are provided on the heat insulation board, and the injection tube 26 passes through the upper mold core 22 and the heat insulation board and extends into the lower mold core 21. The heat insulation board and the heat conduction holes have a heat conduction function, which facilitates the rapid cooling and molding of the material in the molding cavity.

[0038] In another embodiment of the present invention, a top mold plate 29 is provided on the top side of the upper mold plate 24, and the injection nozzle 25 is fixed to the top mold plate 29 and the upper mold plate 24 in sequence. A push rod 30 is fixedly connected to the top mold plate 29, and the push rod 30 passes through the top mold plate 29 and the upper mold plate 24 in sequence, and extends into the upper mold base 23 and is fixedly connected to the top of the return pin 27.

[0039] In another embodiment of the present invention, multiple injection tubes 26 and return pins 27 are provided, and multiple injection tubes 26 pass through the upper mold base 23 and the upper mold core 22 in sequence, and extend into the lower mold core 21. The hot melt material enters from the injection nozzle 25 and enters the lower mold core 21 through the injection tube 26. The return pins 27 are provided at the four corners of the upper mold plate 24. The return pins 27 are provided in sequence through the lower mold base 17, extend into the upper mold base 23, and are fixedly connected to the ejector rod 30. A return pin spring 31 is fixedly sleeved on the outer side of each return pin 27. The return pin spring 31 is provided at the top of the return pin 27 and is provided between the upper mold base 23 and the upper mold plate 24.

[0040] In another embodiment of the present invention, water cooling pipes 32 are fixedly connected to the lower die base 17, the upper die base 23 and the upper die plate 24, and the water cooling pipes 32 are arranged along the edges of the lower die core 21 and the upper die core 22. The water cooling pipes 32 are used to quickly cool and mold the materials in the lower die core 21 and the upper die core 22, thereby improving work efficiency.

[0041] In another embodiment of the present invention, a guide rod 33 is fixedly connected to the base 11. Four guide rods 33 are provided, which are respectively provided at the four corners of the base 11. The guide rods 33 pass through the lower mold base 17, the upper mold base 23, the upper mold plate 24 and the top mold plate 29 in sequence. The guide rods 33 have a guiding function, and the upper mold base 23, the upper mold plate 24 and the top mold plate 29 move up and down along the guide rods 33.

[0042] The automotive wiring harness buckle automatic ejection mold provided by the present application, after the product is cooled and formed in the lower mold core 21 and the upper mold core 22, the push plate 12 pushes the return pin 27 to move upward, the return pin 27 abuts against the upper mold plate 24, pushes the upper mold plate 24 to move upward, and separates the upper mold plate 24 from the upper mold base 23, forming a primary mold opening, while the return pin 27 moves upward, it will drive the ejector rod 30 to move upward, push the top mold plate 29 to move upward, and separate the top mold plate 29 from the upper mold plate 24, to achieve secondary mold opening, and then the push plate 12 pushes the push rod 14 to move upward, and the push rod 14 It abuts against the upper mold base 23 and pushes the upper mold base 23 upward. The upper mold base 23 will drive the upper mold core 22 to move upward and separate the upper mold core 22 from the lower mold core 21 to achieve three-time mold opening. During the upward movement of the upper mold core 22, the inclined guide pillar 20 will be pushed outward, and the inclined guide pillar 20 will push the slider seat 18 outward, thereby separating the slider seat 18 from the upper mold core 22 and the lower mold core 21. Through three-time mold opening and combined with the mold opening of the slider seat 18, the demoulding space of the finished product is increased, which is convenient for demoulding, conducive to rapid demoulding of the mold, reduces demoulding time, and improves production efficiency and quality.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic ejection mold for automotive wiring harness buckles, characterized in that: It includes a base, a driving mechanism, a sleeve ejecting mechanism, a sliding mechanism, a mold forming mechanism and an injection molding mechanism. The driving mechanism is arranged on the base and is connected to the sleeve ejecting mechanism and the mold forming mechanism respectively. The sleeve ejecting mechanism is arranged between the driving mechanism and the sliding mechanism. The sliding mechanism is connected to the driving mechanism and abuts against the mold forming mechanism through the driving mechanism. The mold forming mechanism is arranged above the sliding mechanism. The driving mechanism comprises a push plate, a bottom plate and a push rod, wherein the push plate is movably arranged on the base, the bottom plate is connected to the top of the push plate and movably arranged on the base, and one end of the push rod is connected to the bottom plate; The sleeve ejection mechanism includes a sleeve, a sleeve needle and a lower mold base, the sleeve is movably sleeved on the sleeve needle and connected to the lower mold base, the sleeve needle is connected to the bottom plate and penetrates the mold forming mechanism, and the lower mold base is connected to the push rod; The slide mechanism includes a slide seat, a return spring and an inclined guide column. The slide seat is connected to the top of the lower die seat. The return spring abuts against the slide seat and the die forming mechanism respectively. The inclined guide column is connected to the slide seat in an inclined shape. There are multiple inclined guide columns, which are all connected to the slide seat. The mold forming mechanism comprises a lower mold core, an upper mold core, an upper mold base and an upper mold plate, the lower mold core is connected to the lower mold base, the upper mold core is connected to the upper mold base, the upper mold core is pressed on the upper part of the lower mold core, a forming cavity is formed between the upper mold core and the lower mold core, the upper mold base is arranged above the lower mold base, the upper mold plate is arranged above the upper mold base, and one end of the return spring abuts against the lower mold core; The injection molding mechanism includes an injection molding nozzle, an injection molding tube and a return pin. One end of the injection molding nozzle extends into the upper mold plate and is fixed to the upper mold plate. One end of the injection molding tube is connected to the injection molding nozzle, and the other end passes through the upper mold base and the upper mold core in sequence and is arranged in the lower mold core. The return pin is arranged on one side of the injection molding nozzle and passes through the upper mold plate and the upper mold base in sequence.

2. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: There are four push rods, which are fixedly connected to the four corners of the base plate respectively. The adjacent push rods are arranged parallel to each other. A push rod spring is fixedly sleeved on the outer side of each push rod. The push rod spring is arranged between the base plate and the lower die seat, and respectively abuts against the base plate and the lower die seat.

3. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: The sleeve pullers and sleeve puller needles are provided in multiple numbers and in the same number. The multiple sleeve pullers are evenly fixedly connected to the lower mold base. One end of the multiple sleeve puller needles is evenly fixedly connected to the bottom plate, and the other end passes through the lower mold base and extends into the lower mold core.

4. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: There are four sliding seats, which are arranged around the lower die core and the upper die core, and are respectively abutted against the lower die core and the upper die core. Each sliding seat is respectively provided with an inclined guide column and a return spring. The angle formed by the side of the inclined guide column close to the lower die core and the sliding seat is 60-80°, and the return spring is respectively elastically abutted against the sliding seat and the lower die core.

5. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: The lower mold core matches the upper mold core in shape, a heat insulation board is fixedly connected inside the upper mold core, a plurality of heat conduction holes are arranged on the heat insulation board, and the injection tube passes through the upper mold core and the heat insulation board and extends into the lower mold core.

6. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: A top template is arranged on the top side of the upper template, the injection nozzle is fixed to the top template and the upper template in sequence, a push rod is fixedly connected to the top template, the push rod passes through the top template and the upper template in sequence, and extends into the upper mold base and is fixedly connected to the top end of the return pin.

7. The automatic ejection mold for automotive wiring harness buckles according to claim 6, characterized in that: The injection tubes and return pins are provided in plurality, and the plurality of injection tubes pass through the upper mold base and the upper mold core in sequence, and extend into the lower mold core; the return pins are provided at the four corners of the upper mold base, and the return pins are passed through the lower mold base in sequence, and extend into the upper mold base and are fixedly connected to the push rod, and a return pin spring is fixedly sleeved on the outer side of each return pin, and the return pin spring is provided on the top of the return pin, and is provided between the upper mold base and the upper mold base.

8. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: The lower die base, the upper die base and the upper die plate are all fixedly connected with water cooling pipes, and the water cooling pipes are arranged along the edges of the lower die core and the upper die core.

9. The automatic ejection mold for automotive wiring harness buckles according to claim 1, characterized in that: The base is fixedly connected with guide rods, and four guide rods are arranged respectively at four corners of the base. The guide rods pass through the lower die base, the upper die base, the upper die plate and the top die plate in sequence.

Images