Injection mold for automobile parts

Abstract

The utility model discloses an automobile part injection mold which comprises an upper mold, guide columns symmetrically mounted on the surface of the upper mold, a feeding hole formed in the surface of the upper mold, a lower mold mounted on one side of the upper mold, guide grooves symmetrically formed in the surface of the lower mold, and a forming groove formed in the middle position of the lower mold, exhaust grooves B are symmetrically formed in the surface of the lower die, and step grooves are formed in the side walls of the lower die. Exhaust grooves B are symmetrically formed in the surface of the lower die, step grooves are formed in the side wall of the lower die, the other ends of the exhaust grooves B extend into the step grooves, exhaust grooves A are symmetrically formed in the surface of the lower die, assembling grooves are formed in the end face of the lower die, and the other ends of the exhaust grooves A extend into the assembling grooves. And the exhaust lengths of the exhaust grooves B and the exhaust grooves A in the surface of the lower die are changed, so that redundant gas in the die can be exhausted in an accelerated manner, and the forming effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field, concretely relates to an injection mold for automobile parts. BACKGROUND

[0002] Injection molding is also called injection molding, which is a kind of injection molding method. The advantages of injection molding method are high production speed, high efficiency, automatic operation, various colors and shapes, and the size can be from simple to complex, from large to small, and the product size is accurate, the product is easy to update, and the product with complex shape can be formed. Injection molding is suitable for mass production and complex product forming processing field;

[0003] Through the search, the patent publication No. CN214137113U is an injection mold for automobile parts, which comprises an upper mold and a lower mold, two pouring grooves are formed in the lower mold, the cross section shape of the pouring groove perpendicular to the mold width direction is a trapezoidal shape with the narrow side downward, the two side walls of the pouring groove in the mold length direction are slidably provided with wedge blocks, an inclined air cylinder is fixedly arranged on the lower mold, the piston rod end of the air cylinder is fixedly connected with the lower surface of the wedge block, and the two wedge blocks in the same pouring groove abut each other and the abutting surface is formed with a lower cavity;

[0004] At present, in the prior art, exhaust grooves are arranged on the surface of the injection mold, which facilitates the discharge of excess gas from the position of the mold surface during the injection molding process. However, due to the influence of the size of the mold, the end of the exhaust groove is flush with the side wall of the mold, so that the gas needs to pass through a long path to be discharged, and the use effect is not good. Therefore, it is necessary to design an injection mold for automobile parts to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing an injection mold for automobile parts to solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an injection mold for automobile parts, comprising an upper mold, symmetrical guide columns installed on the surface of the upper mold, a feeding hole formed on the surface of the upper mold, a lower mold installed on one side of the upper mold, symmetrical guide grooves formed on the surface of the lower mold, and a forming groove formed in the middle position of the lower mold. The surface of the lower mold is symmetrically provided with an exhaust groove B, and a step groove is formed in the position of the side wall of the lower mold.

[0007] The surface of the lower mold is symmetrically provided with an exhaust groove A, the end surface of the lower mold is provided with an assembly groove, and the inside of the assembly groove is bonded with a copper aluminum alloy plate through heat conducting silicone grease.

[0008] Preferably, a heat dissipation hole is formed in the middle position of the surface of the copper aluminum alloy plate, and a recess is formed in the surface of the copper aluminum alloy plate.

[0009] Preferably, one end of the exhaust groove A extends to the inside of the forming groove, and the other end of the exhaust groove A extends to the inside of the assembly groove.

[0010] Preferably, one end of the exhaust groove B extends to the inside of the forming groove, and the other end of the exhaust groove B extends to the inside of the stepped groove.

[0011] Preferably, the surface of the stepped groove is provided with a threaded groove and a slot, and the surface of the stepped groove is fixedly connected with a bottom plate through a screw, and the surface of the bottom plate is symmetrically provided with a through hole.

[0012] Preferably, the surface of the bottom plate is fixedly connected with a telescopic connecting rod, and the elongated end of the telescopic connecting rod is fixedly connected with a pressing plate.

[0013] Preferably, the bottom of the pressing plate is symmetrically provided with a polished rod, the outer part of the polished rod is sleeved with a spring seat, and the free end of the polished rod extends to the inside of the slot and is slidingly arranged.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The surface of the lower mold is symmetrically provided with an exhaust groove B, the sidewall position of the lower mold is provided with a stepped groove, the other end of the exhaust groove B extends to the inside of the stepped groove, the surface of the lower mold is symmetrically provided with an exhaust groove A, the end surface position of the lower mold is provided with an assembly groove, and the other end of the exhaust groove A extends to the inside of the assembly groove. The exhaust length of the exhaust groove B and the exhaust groove A on the surface of the lower mold is changed, so that the excess gas in the mold can be discharged quickly, and the forming effect is improved.

[0016] 2. The inside of the assembly groove is bonded with a copper-aluminum alloy plate through heat-conducting silicone grease, the surface of the copper-aluminum alloy plate is provided with a heat dissipation hole at the middle position, and the surface of the copper-aluminum alloy plate is provided with a gap slot. Through the heat transfer mode, the heat dissipation of the lower mold is accelerated.

[0017] 3. During the process of closing the mold, the pressing plate of the lower mold is first attached to the upper mold, and as the closing operation continues, the polished rod slides relative to the slot, and the spring seat elastically deforms within the elastic limit, effectively reducing the impact force of the mold closing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a whole structure schematic view of the utility model;

[0019] Fig. 2 It is a lower mold structure schematic view of the utility model;

[0020] Fig. 3 It is a copper-aluminum alloy plate structure schematic view of the utility model;

[0021] Fig. 4The utility model discloses a pressing plate structure schematic view.

[0022] In the drawing: 1, upper mould; 2, guide column; 3, feeding hole; 4, lower mould; 5, guide groove; 6, copper-aluminum alloy plate; 7, pressing plate; 8, assembly groove; 9, exhaust groove A; 10, forming groove; 11, exhaust groove B; 12, step groove; 13, threaded groove; 14, insertion groove; 15, accommodation groove; 16, heat dissipation hole; 17, polished rod; 18, spring seat; 19, telescopic connecting rod; 20, bottom plate; 21, through hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of protection of the utility model.

[0024] Embodiment one: please refer to Figs. 1 to 4 The utility model provides a kind of automobile accessory injection mould technical scheme: including upper mould 1, guide column 2 being symmetrically installed on the surface of upper mould 1, feeding hole 3 being opened in the surface of upper mould 1, lower mould 4 being installed in one side of upper mould 1, guide groove 5 being symmetrically opened in the surface of lower mould 4, and forming groove 10 being opened in the middle position of lower mould 4, exhaust groove B 11 being symmetrically opened in the surface of lower mould 4, step groove 12 being opened in the position of the side wall of lower mould 4;

[0025] Exhaust groove A 9 is symmetrically opened in the surface of lower mould 4, assembly groove 8 is opened in the end surface position of lower mould 4, copper-aluminum alloy plate 6 is adhered with heat-conducting silicone grease in the inside of assembly groove 8.

[0026] Heat dissipation hole 16 is opened in the middle position of the surface of copper-aluminum alloy plate 6, accommodation groove 15 is opened in the surface of copper-aluminum alloy plate 6, one end of exhaust groove A 9 extends to the inside of forming groove 10, the other end of exhaust groove A 9 extends to the inside of assembly groove 8, one end of exhaust groove B 11 extends to the inside of forming groove 10, the other end of exhaust groove B 11 extends to the inside of step groove 12.

[0027] The utility model discloses have the following beneficial effects from the above description: the surface of lower mould 4 is symmetrical and is provided with exhaust groove B11, the lateral wall position of lower mould 4 is provided with step groove 12, the other end of exhaust groove B11 extends to the inside of step groove 12, the surface of lower mould 4 is symmetrical and is provided with exhaust groove A9, the end surface position of lower mould 4 is provided with assembly groove 8, the other end of exhaust groove A9 extends to the inside of assembly groove 8, change the exhaust length of exhaust groove B11 and exhaust groove A9 on the surface of lower mould 4, then the excess gas in the mould can be discharged quickly, and the forming effect is improved;The inside of assembly groove 8 is adhered with copper aluminium alloy plate 6 through heat-conducting silicone grease, the surface of copper aluminium alloy plate 6 is provided with heat dissipation hole 16 in the middle position, the surface of copper aluminium alloy plate 6 is provided with give way groove 15, through the mode of heat transfer, accelerate the heat dissipation of lower mould 4.

[0028] Embodiment two: please refer to Figs. 1 to 4 The utility model discloses have the following beneficial effects from the above description: the surface of lower mould 4 is symmetrical and is provided with exhaust groove B11, the lateral wall position of lower mould 4 is provided with step groove 12, the other end of exhaust groove B11 extends to the inside of step groove 12, the surface of lower mould 4 is symmetrical and is provided with exhaust groove A9, the end surface position of lower mould 4 is provided with assembly groove 8, the other end of exhaust groove A9 extends to the inside of assembly groove 8, change the exhaust length of exhaust groove B11 and exhaust groove A9 on the surface of lower mould 4, then the excess gas in the mould can be discharged quickly, and the forming effect is improved;The inside of assembly groove 8 is adhered with copper aluminium alloy plate 6 through heat-conducting silicone grease, the surface of copper aluminium alloy plate 6 is provided with heat dissipation hole 16 in the middle position, the surface of copper aluminium alloy plate 6 is provided with give way groove 15, through the mode of heat transfer, accelerate the heat dissipation of lower mould 4.

[0029] The utility model discloses have the following beneficial effects from the above description: the surface of lower mould 4 is symmetrical and is provided with exhaust groove B11, the lateral wall position of lower mould 4 is provided with step groove 12, the other end of exhaust groove B11 extends to the inside of step groove 12, the surface of lower mould 4 is symmetrical and is provided with exhaust groove A9, the end surface position of lower mould 4 is provided with assembly groove 8, the other end of exhaust groove A9 extends to the inside of assembly groove 8, change the exhaust length of exhaust groove B11 and exhaust groove A9 on the surface of lower mould 4, then the excess gas in the mould can be discharged quickly, and the forming effect is improved;The inside of assembly groove 8 is adhered with copper aluminium alloy plate 6 through heat-conducting silicone grease, the surface of copper aluminium alloy plate 6 is provided with heat dissipation hole 16 in the middle position, the surface of copper aluminium alloy plate 6 is provided with give way groove 15, through the mode of heat transfer, accelerate the heat dissipation of lower mould 4.

[0030] The utility model discloses have the following beneficial effects from the above description: the surface of lower mould 4 is symmetrical and is provided with exhaust groove B11, the lateral wall position of lower mould 4 is provided with step groove 12, the other end of exhaust groove B11 extends to the inside of step groove 12, the surface of lower mould 4 is symmetrical and is provided with exhaust groove A9, the end surface position of lower mould 4 is provided with assembly groove 8, the other end of exhaust groove A9 extends to the inside of assembly groove 8, change the exhaust length of exhaust groove B11 and exhaust groove A9 on the surface of lower mould 4, then the excess gas in the mould can be discharged quickly, and the forming effect is improved;The inside of assembly groove 8 is adhered with copper aluminium alloy plate 6 through heat-conducting silicone grease, the surface of copper aluminium alloy plate 6 is provided with heat dissipation hole 16 in the middle position, the surface of copper aluminium alloy plate 6 is provided with give way groove 15, through the mode of heat transfer, accelerate the heat dissipation of lower mould 4.

[0031] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0032] The above description is merely intended to illustrate the technical solutions of the present application, but not to limit the present application. Other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art shall be included in the scope of the claims of the present application, as long as these modifications or equivalent replacements do not depart from the spirit and scope of the technical solutions of the present application.

Claims

1. An injection mold for automobile accessories, comprising an upper mold (1), guide posts (2) symmetrically installed on the surface of the upper mold (1), a feeding hole (3) opened on the surface of the upper mold (1), a lower mold (4) installed on one side of the upper mold (1), guide grooves (5) symmetrically opened on the surface of the lower mold (4), and a forming groove (10) opened at the middle position of the lower mold (4), characterized in that: The lower mold (4) is symmetrically provided with exhaust grooves B (11) on the surface, and the sidewall of the lower mold (4) is provided with a stepped groove (12); The lower mold (4) is symmetrically provided with exhaust grooves A (9) on the surface, and the end surface of the lower mold (4) is provided with an assembly groove (8), and the inside of the assembly groove (8) is adhered with a copper-aluminum alloy plate (6) through heat-conducting silicone grease.

2. The injection mold for an automobile part according to claim 1, wherein: The surface of the copper-aluminum alloy plate (6) is provided with a heat dissipation hole (16) at the middle position, and the surface of the copper-aluminum alloy plate (6) is provided with a recess (15).

3. The injection mold for an automobile part according to claim 1, wherein: One end of the exhaust groove A (9) extends to the inside of the forming groove (10), and the other end of the exhaust groove A (9) extends to the inside of the assembly groove (8).

4. The injection mold for an automobile part according to claim 1, wherein: One end of the exhaust groove B (11) extends to the inside of the forming groove (10), and the other end of the exhaust groove B (11) extends to the inside of the stepped groove (12).

5. The injection mold for an automobile part according to claim 1, wherein: The surface of the stepped groove (12) is provided with a threaded groove (13) and a slot (14), and the surface of the stepped groove (12) is fixedly connected with a bottom plate (20) through a screw.

6. The injection mold for an automotive component of claim 5, wherein: The surface of the bottom plate (20) is fixedly connected with an extension connecting rod (19), and the elongated end of the extension connecting rod (19) is fixedly connected with a pressing plate (7).

7. The injection mold for an automotive component of claim 6, wherein: The bottom of the pressing plate (7) is symmetrically provided with a light rod (17), the outside of the light rod (17) is sleeved with a spring seat (18), and the free end of the light rod (17) extends to the inside of the slot (14) and is slidingly arranged.

Images