Automatic water gap shearing mold structure for injection molding of automobile injection molded part

Abstract

The invention discloses an automobile injection molded part injection molding automatic water gap shearing mold structure which comprises a control cabinet and a base, the top end of the base is detachably provided with a jig seat, and the top of the jig seat is detachably provided with a limiting jig used for placing a product; a support is detachably installed on the side, located on the jig seat, of the base, one end of the limiting jig extends into the support, a pressing limiting assembly for pressing and limiting a product is installed on the outer side of the support, and a pressing and cutting assembly for cutting a water gap of the product is further installed on the support. The jig seat is detachably provided with a lower cutter matched with the pressing and cutting assembly. According to the water gap shearing device, the water gap is sheared through cooperation of the pressing and cutting assembly and the lower cutter; shearing can be conducted by attaching to the surface of a product, and the shearing effect is better; the material guide plate can guide the sheared water gap, so that the water gap can be conveniently discharged; a limiting protrusion or a limiting air cylinder is installed on the top of the jig plate, and limiting in the horizontal direction is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile injection molding nozzle shearing, in particular to an automobile injection molding automatic nozzle shearing mold structure. Background Art

[0002] Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding and die casting. Injection molding machine (referred to as injection machine or injection molding machine) is the main molding equipment that uses plastic molding molds to make thermoplastics or thermosetting materials into plastic products of various shapes. Injection molding is achieved through injection molding machines and molds. Plastic injection molding is a method of plastic products. The molten plastic is injected into the plastic product mold under pressure, and the desired plastic parts are obtained by cooling and molding. There are mechanical injection molding machines specifically used for injection molding. Injection molded parts refer to various injection molded products produced by injection molding machines, collectively referred to as injection molded parts, including various packages, parts, etc. It is mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents.

[0003] The existing publication number CN212707838U discloses an automatic water nozzle cutting device for automobile injection molding parts, including a stable bottom plate, a vertical connecting plate fixedly connected to the left side of the top of the stable bottom plate, a horizontal top plate fixedly connected to the right side of the vertical connecting plate, a movable groove is opened on the surface of the horizontal top plate, the inner surface of the movable groove is rollingly connected to a power wheel, and a connecting block is fixedly connected to one side of the power wheel. Through the combined arrangement of a cutting box, a stable cross bar, a reset spring, an operating block, an inclined rod, an intermediate block, a positioning plate, a cutting telescopic rod, a transfer rod and a cutting knife, the shearing device is moved to the upper side of the relevant mold product, and the cutting knife can be operated to cut the product by contracting the cutting telescopic rod. The operation is very convenient, and the structure is relatively simple, which is easy for the staff to maintain later, and the relevant structures are independent and relatively convenient to replace.

[0004] Although the existing technology can achieve the shearing of the nozzle, it cannot fit the surface of the product well, resulting in bulges still existing after shearing and poor shearing effect. Therefore, we propose an automatic shearing nozzle mold structure for automobile injection molding. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic shearing nozzle mold structure for automobile injection molding to solve the problem that the prior art cannot fit the surface of the product well, resulting in bulges remaining after shearing and poor shearing effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic shearing nozzle mold structure for injection molding of automotive injection molded parts, comprising a control cabinet and a base, the top of the base is detachably mounted with a jig seat, and the top of the jig seat is detachably mounted with a limiting jig for placing the product; the base is located on one side of the jig seat and is detachably mounted with a bracket, one end of the limiting jig extends to the inside of the bracket, and a downward pressing limiting component for pressing the product downward is mounted on the outside of the bracket, the bracket is also mounted with a pressing and cutting component for shearing the nozzle of the product, and the jig seat is detachably mounted with a lower cutting knife that cooperates with the pressing and cutting component.

[0007] Preferably, the limiting jig comprises a jig plate, and a limiting protrusion or a limiting cylinder for limiting the product is installed on the top of the jig plate.

[0008] Preferably, the downward pressure limit assembly includes a slider cylinder, a first fixed plate and a second fixed plate, the slider cylinder drives the first fixed plate to move up and down, the second fixed plate is connected to the first fixed plate through a guide bolt, the guide bolt slides up and down relative to the first fixed plate, a plurality of buffer springs are installed between the first fixed plate and the second fixed plate, and a downward pressure block is installed at the bottom end of the second fixed plate.

[0009] Preferably, the pressing block is a rubber block, a lower limit block is installed on one side of the base of the slider cylinder, and an upper limit block cooperating with the lower limit block is installed on one side of the slider of the slider cylinder.

[0010] Preferably, the pressure-cutting assembly includes a downward pressure cylinder and a base plate, the base plate is fixed on a bracket, two parallel sliding rods are installed between the base plate and the top of the bracket, a lifting plate is slidably installed on the two sliding rods, a knife seat is installed at the bottom end of the lifting plate, an upper cutting knife is detachably installed on the knife seat, the downward pressure cylinder drives the lifting plate to move up and down, and the downward pressure cylinder is fixed at the top of the bracket.

[0011] Preferably, a material guide plate is installed at the base plate of the pressing and cutting assembly, one end of the material guide plate extends to below the limiting fixture, and the material guide plate is arranged at an angle.

[0012] Preferably, the base is provided with a plurality of fixing holes, the fixture seat and the base are connected via a fixing block, and the bracket and the base are connected via a fixing block.

[0013] Preferably, a protective plate is installed on the back of the bracket.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. A downward limit component for pressing down and limiting the product is installed on the outside of the bracket. The product can be fixed on the surface of the limiting fixture through the downward limit component. The bracket is also equipped with a pressure cutting component for shearing the product water outlet. The fixture seat is detachably equipped with a lower cutting knife that cooperates with the pressure cutting component. The water outlet is sheared by the cooperation of the pressure cutting component and the lower cutting knife. The shearing can be done in accordance with the surface of the product, and the shearing effect is better. The guide plate can guide the sheared water outlet to facilitate the discharge of the water outlet.

[0016] 2. A limiting protrusion or a limiting cylinder is installed on the top of the fixture plate to limit the product. The horizontal limit is achieved through the cooperation of the limiting protrusion and the limiting cylinder.

[0017] 3. A plurality of buffer springs are installed between the first fixed plate and the second fixed plate. The buffer springs can be compressed after contacting the product, thereby preventing the second fixed plate from excessively squeezing the product. A pressing block is installed at the bottom end of the second fixed plate, and the pressing block acts on the product. The pressing block is made of rubber, which can protect the product when pressing down.

[0018] 4. An upper limit block cooperating with the lower limit block is installed on one side of the slider of the slider cylinder. The cooperation between the lower limit block and the upper limit block can limit the slider of the slider cylinder to avoid excessive downward pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a schematic structural diagram of the rear perspective of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the downward pressure limit assembly of the present invention;

[0023] Figure 4 It is a schematic structural diagram of the pressing and cutting assembly of the present invention.

[0024] In the figure: 1. control cabinet; 2. base; 3. fixture seat; 4. limit fixture; 5. downward pressure limit assembly; 6. bracket; 7. pressure cutting assembly; 8. protective plate; 9. fixed block; 10. guide plate; 201. fixing hole; 501. slider cylinder; 502. first fixed plate; 503. second fixed plate; 504. downward pressure block; 505. buffer spring; 506. guide bolt; 507. lower limit block; 508. upper limit block; 701. downward pressure cylinder; 702. lifting plate; 703. upper cutter; 704. slide bar; 705. base plate; 706. knife seat. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention.

[0026] See also Figure 1-4 In an embodiment of the present invention, an automatic shearing nozzle mold structure for injection molding of automotive injection molding parts includes a control cabinet 1 and a base 2, a jig seat 3 is detachably mounted on the top of the base 2, and a limiting jig 4 for placing a product is detachably mounted on the top of the jig seat 3; a bracket 6 is detachably mounted on one side of the jig seat 3 of the base 2, one end of the limiting jig 4 extends to the inside of the bracket 6, and a downward limiting component 5 for pressing down and limiting the product is installed on the outside of the bracket 6, and the product can be fixed on the surface of the limiting jig 4 by the downward limiting component 5. The bracket 6 is also equipped with a pressure-cutting component 7 for shearing the product water outlet, and the jig seat 3 is detachably equipped with a lower cutting knife that cooperates with the pressure-cutting component 7, and the water outlet is sheared by the cooperation of the pressure-cutting component 7 and the lower cutting knife; the base 2 is provided with a plurality of fixing holes 201, the jig seat 3 and the base 2 are connected by a fixing block 9, and the bracket 6 and the base 2 are connected by a fixing block 9; a protective plate 8 is installed on the back of the bracket 6, and the protective plate 8 can prevent the user's hands from extending into the inside of the bracket, thereby preventing the cutter from causing accidental injury to the user.

[0027] The limiting fixture 4 comprises a fixture plate, and a limiting protrusion or a limiting cylinder for limiting the product is installed on the top of the fixture plate. The limiting protrusion and the limiting cylinder cooperate to achieve horizontal limiting.

[0028] The downward limiter assembly 5 includes a slider cylinder 501, a first fixing plate 502 and a second fixing plate 503. The slider cylinder 501 drives the first fixing plate 502 to move up and down. The second fixing plate 503 is connected to the first fixing plate 502 through a guide bolt 506. The guide bolt 506 slides up and down relative to the first fixing plate 502. A plurality of buffer springs 505 are installed between the first fixing plate 502 and the second fixing plate 503. The buffer springs 505 can be compressed after contacting the product, thereby preventing the second fixing plate from being over-pressed. The product is squeezed to a certain degree, a pressing block 504 is installed at the bottom end of the second fixed plate 503, and the pressing block 504 acts on the product; the pressing block 504 is made of a rubber block, which can protect the product when pressing down, a lower limit block 507 is installed on one side of the base of the slider cylinder 501, and an upper limit block 508 cooperating with the lower limit block 507 is installed on one side of the slider of the slider cylinder 501. The cooperation between the lower limit block 507 and the upper limit block 508 can limit the slider of the slider cylinder 501 to avoid excessive downward pressure.

[0029] The pressure cutting assembly 7 includes a downward pressure cylinder 701 and a base plate 705, the base plate 705 is fixed on the bracket 6, two parallel sliding rods 704 are installed between the base plate 705 and the top of the bracket 6, the two sliding rods 704 are slidably installed with a lifting plate 702, the bottom end of the lifting plate 702 is installed with a knife seat 706, and the knife seat 706 is detachably installed with an upper cutting knife 703, the downward pressure cylinder 701 drives the lifting plate 702 to move up and down, and the downward pressure cylinder 701 is fixed on the top of the bracket 6, the downward pressure cylinder 701 drives the upper cutting knife 703 to press down, and the upper cutting knife 703 cooperates with the lower cutting knife to shear the water outlet.

[0030] A material guide plate 10 is installed at the base plate 705 of the pressing and cutting component 7, one end of the material guide plate 10 extends to the bottom of the limiting fixture 4, and the material guide plate 10 is arranged at an angle. The material guide plate 10 can guide the sheared water outlet to facilitate the discharge of the water outlet.

[0031] The working principle of the present invention is as follows: a downward limit component 5 for pressing down and limiting the product is installed on the outer side of the bracket 6, and the product can be fixed on the surface of the limiting fixture 4 through the downward limit component 5. The bracket 6 is also equipped with a pressure cutting component 7 for shearing the product water outlet, and the fixture seat 3 is detachably equipped with a lower cutting knife that cooperates with the pressure cutting component 7, and the water outlet is sheared through the cooperation of the pressure cutting component 7 and the lower cutting knife; the guide plate 10 can guide the sheared water outlet to facilitate the discharge of the water outlet.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic shear nozzle mold structure for automobile injection molding, comprising a control cabinet (1) and a base (2), characterized in that: The top of the base (2) is detachably mounted with a jig seat (3), and the top of the jig seat (3) is detachably mounted with a limiting jig (4) for placing the product; the base (2) is detachably mounted with a bracket (6) on one side of the jig seat (3), one end of the limiting jig (4) extends into the inside of the bracket (6), and a downward limiting component (5) for pressing down and limiting the product is mounted on the outside of the bracket (6), and the bracket (6) is also mounted with a pressing and cutting component (7) for shearing the product water outlet, and the jig seat (3) is detachably mounted with a lower cutting knife that cooperates with the pressing and cutting component (7).

2. The automatic shear nozzle mold structure for automobile injection molding according to claim 1, characterized in that: The limiting jig (4) comprises a jig plate, and a limiting protrusion or a limiting cylinder for limiting the product is installed on the top of the jig plate.

3. The automatic shear nozzle mold structure for automobile injection molding according to claim 1, characterized in that: The downward pressure limiting assembly (5) comprises a slider cylinder (501), a first fixed plate (502) and a second fixed plate (503); the slider cylinder (501) drives the first fixed plate (502) to move up and down; the second fixed plate (503) is connected to the first fixed plate (502) via a guide bolt (506); the guide bolt (506) slides up and down relative to the first fixed plate (502); a plurality of buffer springs (505) are installed between the first fixed plate (502) and the second fixed plate (503); and a downward pressure block (504) is installed at the bottom end of the second fixed plate (503).

4. The automatic shear nozzle mold structure for automobile injection molding according to claim 3 is characterized in that: The lower pressing block (504) is made of a rubber block, a lower limit block (507) is installed on one side of the base of the slider cylinder (501), and an upper limit block (508) that cooperates with the lower limit block (507) is installed on one side of the slider of the slider cylinder (501).

5. The automatic shearing nozzle mold structure for automobile injection molding according to claim 1 is characterized in that: The pressing and cutting assembly (7) comprises a downward pressing cylinder (701) and a base plate (705), wherein the base plate (705) is fixed on a bracket (6), and two parallel sliding rods (704) are installed between the base plate (705) and the top of the bracket (6), and a lifting plate (702) is slidably installed on the two sliding rods (704), and a knife seat (706) is installed at the bottom end of the lifting plate (702), and an upper cutting knife (703) is detachably installed on the knife seat (706), and the downward pressing cylinder (701) drives the lifting plate (702) to move up and down, and the downward pressing cylinder (701) is fixed on the top of the bracket (6).

6. The structure of the automatic shearing nozzle mold for automobile injection molding according to claim 5, characterized in that: A material guide plate (10) is installed on the base plate (705) of the pressing and cutting assembly (7), one end of the material guide plate (10) extends to below the limiting fixture (4), and the material guide plate (10) is arranged in an inclined manner.

7. The automatic shear nozzle mold structure for automobile injection molding according to claim 1, characterized in that: The base (2) is provided with a plurality of fixing holes (201); the fixture seat (3) and the base (2) are connected via a fixing block (9); and the bracket (6) and the base (2) are connected via a fixing block (9).

8. The automatic shear nozzle mold structure for automobile injection molding according to claim 1, characterized in that: A protective plate (8) is installed on the back of the bracket (6).

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