Injection mold for automobile connecting plate

Abstract

An automobile connecting plate injection mold belongs to the technical field of injection molds and comprises a panel, a plate A, a plate B, stand feet, a bottom plate, a demolding structure and a front mold insert, an upper mold is arranged in the plate A, a lower mold is arranged in the plate B, and a cavity is formed between the upper mold and the lower mold; a feeding hole is formed in the upper part of the upper mold; an injection molding runner is arranged between the feeding hole and the mold cavity; the demolding structure comprises a shovel base, an inclined guide column, a sliding block seat and a sliding block; the mold cavity comprises two sub-mold cavities, the shape and the size of each sub-mold cavity are matched with those of an automobile connecting plate injection molding part, and the two sub-mold cavities are formed in the front side and the rear side between the upper mold and the lower mold respectively; the utility model has the beneficial effects that the productivity is improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model discloses a connection plate injection mould, in particular to an automobile connection plate injection mould, belonging to the technical field of injection moulds. Background Art

[0002] The automobile connecting plate is an important part of the automobile. Since the automobile connecting plate is generally long and narrow, the injection inlet is often set in the middle of the product during the injection molding process. As a result, the hot material flow rate in the middle and both ends of the injection molding cavity is different, and the shrinkage rate during the cooling process is different, which affects the product quality. At the same time, there is also an unreasonable setting of the demoulding structure, and the uneven force during the demoulding of the product causes damage to the surface of the plastic product or defective products, which reduces productivity and increases manufacturing costs. Utility Model Content

[0003] The purpose of the utility model is to provide an automobile connecting plate injection mold to improve productivity and reduce manufacturing costs in view of the defects of unreasonable mold structure in the above-mentioned prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an automobile connection plate injection mold, which is used to make automobile connection plate injection molded parts, and the automobile connection plate injection molded parts include 3 insert sockets, 3 outer ends, a left end and a right end; the injection mold includes a panel, an A plate, a B plate, a foot, a bottom plate, 4 demoulding structures and 6 front mold inserts arranged in sequence from top to bottom, an upper mold is arranged in the A plate, a lower mold is arranged in the B plate, and a cavity is formed between the upper mold and the lower mold; a feed port is arranged above the upper mold, and an injection molding runner is arranged between the feed port and the cavity; the demoulding structure includes a shovel base, an inclined guide column, a slider seat and a slider;

[0005] The mold cavity includes two sub-cavities, the shape and size of each sub-cavity matches the shape and size of the automobile connecting plate injection molded part, and the two sub-cavities are respectively arranged at the front and rear sides between the upper mold and the lower mold;

[0006] The four demoulding structures are respectively arranged at the front side, the rear side, the left side and the right side of the cavity; the lower ends of the six front mold inserts are respectively inserted into the six insert sockets of the two automobile connecting plates; the slider seat of the front demoulding structure is provided with three sliders in the direction of the cavity, the slider seat of the rear demoulding structure is provided with three sliders in the direction of the cavity, the slider seat of the left demoulding structure is provided with two sliders in the direction of the cavity, and the slider seat of the right demoulding structure is provided with two sliders in the direction of the cavity;

[0007] The three sliders of the front demoulding structure respectively conflict with the three outer ends of the front automobile connecting plate, and the three sliders of the rear demoulding structure respectively conflict with the three outer ends of the rear automobile connecting plate; the two sliders of the left demoulding structure respectively conflict with the left end of the front automobile connecting plate and the left end of the rear automobile connecting plate, and the two sliders of the right demoulding structure respectively conflict with the right end of the front automobile connecting plate and the right end of the rear automobile connecting plate.

[0008] The top ends of the B plates are respectively provided with guide pillars, and the A plates are sleeved in the guide pillars.

[0009] The injection flow channel comprises a vertical main flow channel at the top, a horizontal main flow channel at the bottom and branch flow channels arranged on both sides of the horizontal main flow channel, and the branch flow channels are respectively connected with the left and right ends and the middle of the cavity.

[0010] It also includes a water cooling pipe, which is arranged on one side of the cavity and can accelerate the cooling of the cavity.

[0011] In the demoulding structure, a slider is slidably arranged in the slider seat, an inclined guide column is movably inserted in the slider, and the inclined guide column is obliquely sleeved in the shovel base, and the shovel base and the slider seat are mutually opposed by an inclined plane;

[0012] The slider seat realizes multi-position demoulding under the action of the slider and the inclined guide column, and the shovel base is convenient for pressing the slider. It has a simple structure, convenient installation, high stability, and easy demoulding of the product. In addition, the demoulding quality is guaranteed, which is conducive to improving the qualified rate of the product and saving manufacturing costs;

[0013] The slider seat includes a wear-resistant base and pressure strips arranged on both sides of the wear-resistant base, a slide groove is formed between the wear-resistant base and the pressure strip, and the slider slides in the slide groove;

[0014] Demolding process: During the mold opening process, the shovel base and the inclined guide pillar move at the same time. Driven by the inclined guide pillar, the slider seat drives the slider to complete the core pulling, thereby completing the smooth demolding of the injection molded part.

[0015] The right end of the cavity is provided with an elastic member, which can limit the cavity when the mold is closed and release the cavity after the mold is opened.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) Four demolding structures are arranged at the front, rear, left and right sides of the cavity; the slider seats of the front and rear demolding structures are respectively arranged with three sliders in the direction of the cavity, and the slider seats of the left and right demolding structures are respectively arranged with two sliders in the direction of the cavity, thereby providing uniform support for the cavity, making the demolding structure reasonably arranged, and evenly applying force to the product during demolding, thereby avoiding damage to the surface of the plastic product or the production of defective products, improving productivity and reducing manufacturing costs.

[0018] (2) At the same time, the injection flow channel is set to be a vertical main flow channel at the top, a horizontal main flow channel at the bottom, and branch flow channels arranged on both sides of the horizontal main flow channel. The branch flow channels are respectively connected to the left and right ends and the middle of the cavity, so that the hot material flow rate in the middle and both ends of the injection cavity is the same, and the shrinkage rate during the cooling process is the same, thereby improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is: a three-dimensional diagram of the utility model;

[0020] Figure 2 It is: a three-dimensional diagram of the utility model after removing the panel and A plate;

[0021] Figure 3 It is: a three-dimensional diagram of the utility model after removing the front panel, A plate and B plate;

[0022] Figure 4 yes: Figure 3 A magnified view of part A;

[0023] Figure 5 Yes: A magnified three-dimensional image of an injection molded automobile connecting plate.

[0024] Explanation of the reference numerals in the accompanying drawings: panel 1, A plate 2, B plate 3, foot 4, bottom plate 5, demoulding structure 6, shovel base 601, inclined guide column 602, slider seat 603, slider 604, pressure strip 605, front mold insert 7, upper mold 8, lower mold 9, feed port 10, parting cavity 11, automobile connecting plate injection molding part 12, insert socket 1201, outer end 1202, left end 1203, right end 1204, vertical main channel 13, branch channel 14, guide column 15, water transport cooling pipe 16. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The front, back, left and right directions described in the utility model are for the convenience of description and can actually be interchanged.

[0026] like Figures 1 to 5 As shown, an automobile connection plate injection mold is used to make an automobile connection plate injection molded part 12, and the automobile connection plate injection molded part 12 includes three insert sockets 1201, three outer ends 1202, a left end 1203 and a right end 1204; Figures 1 to 4As shown, the injection mold includes a panel 1, an A plate 2, a B plate 3, a foot 4, a bottom plate 5, 4 demoulding structures 6 and 6 front mold inserts 7 arranged in sequence from top to bottom, an upper mold 8 is arranged in the A plate 2, a lower mold 9 is arranged in the B plate 3, and a cavity is formed between the upper mold 8 and the lower mold 9; a feed port 10 is arranged above the upper mold 8, and an injection flow channel is arranged between the feed port 10 and the cavity; the demoulding structure 6 includes a shovel base 601, an inclined guide column 602, a slider seat 603 and a slider 604;

[0027] like Figure 3 and Figure 4 As shown, the mold cavity includes two sub-cavities 11, the shape and size of each sub-cavity 11 match the shape and size of the automobile connecting plate injection molded part 12, and the two sub-cavities 11 are respectively arranged on the front and rear sides between the upper mold 8 and the lower mold 9;

[0028] like Figure 3 and Figure 4 As shown, four demoulding structures 6 are respectively arranged on the front side, rear side, left side and right side of the cavity; the lower ends of the six front mold inserts 7 are respectively inserted into the six insert sockets 1201 of the two automobile connecting plates; the slider seat 603 of the front demoulding structure 6 is provided with three sliders 604 in the direction of the cavity, the slider seat 603 of the rear demoulding structure 6 is provided with three sliders 604 in the direction of the cavity, the slider seat 603 of the left demoulding structure 6 is provided with two sliders 604 in the direction of the cavity, and the slider seat 603 of the right demoulding structure 6 is provided with two sliders 604 in the direction of the cavity;

[0029] The three sliders 604 of the front demoulding structure 6 respectively conflict with the three outer ends 1202 of the front automobile connecting plate, and the three sliders 604 of the rear demoulding structure 6 respectively conflict with the three outer ends 1202 of the rear automobile connecting plate; the two sliders 604 of the left demoulding structure 6 respectively conflict with the left end 1203 of the front automobile connecting plate and the left end 1203 of the rear automobile connecting plate, and the two sliders 604 of the right demoulding structure 6 respectively conflict with the right end 1204 of the front automobile connecting plate and the right end 1204 of the rear automobile connecting plate.

[0030] like Figure 2 As shown, guide pillars 15 are respectively provided at the top ends of the B plates 3, and the A plates 2 are sleeved in the guide pillars.

[0031] like Figure 3 and Figure 4 As shown, the injection channel includes a vertical main channel 13 at the top, a horizontal main channel at the bottom, and branch channels 14 arranged on both sides of the horizontal main channel, and the branch channels are respectively connected to the left and right ends and the middle of the cavity.

[0032] like Figure 3 and Figure 4 As shown, it also includes a water cooling pipe 16, which is arranged on one side of the cavity and can accelerate the cooling of the cavity.

[0033] like Figure 3 and Figure 4 As shown, in the demoulding structure 6, a slider 604 is slidably provided in the slider seat, an inclined guide column 602 is movably inserted in the slider 604, and the inclined guide column 602 is obliquely sleeved in the shovel base 601, and the shovel base 601 and the slider seat 603 are in contact with each other with an oblique plane;

[0034] The slider seat realizes multi-position demoulding under the action of the slider 604 and the inclined guide column 602, and the shovel base 601 is convenient for pressing the slider 604, with simple structure, convenient installation, high stability, and easy demoulding of the product. In addition, the demoulding quality is guaranteed, which is conducive to improving the qualified rate of the product and saving the manufacturing cost;

[0035] The slider seat includes a wear-resistant base and pressure strips 605 arranged on both sides of the wear-resistant base. A slide groove is formed between the wear-resistant base and the pressure strips 605, and the slider 604 slides in the slide groove;

[0036] Demolding process: During the mold opening process, the shovel base 601 and the inclined guide pillar 602 move simultaneously. Driven by the inclined guide pillar 602, the slider seat 603 drives the slider 604 to complete the core pulling, thereby completing the smooth demolding of the injection molded part.

[0037] like Figure 4 As shown, the right end portion 1204 of the cavity is provided with an elastic member, which can limit the cavity when the mold is closed and release the cavity after the mold is opened.

[0038] The embodiments described above are only preferred implementations of the present invention. Common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. An automobile connection plate injection mold, used for making automobile connection plate injection molded parts, the automobile connection plate injection molded parts include 3 insert sockets, 3 outer ends, a left end and a right end; the injection mold includes a panel, an A plate, a B plate, a foot, a bottom plate, 4 demoulding structures and 6 front mold inserts arranged in sequence from top to bottom, an upper mold is arranged in the A plate, a lower mold is arranged in the B plate, and a cavity is formed between the upper mold and the lower mold; a feed port is arranged above the upper mold, and an injection runner is arranged between the feed port and the cavity; the demoulding structure includes a shovel base, an inclined guide column, a slider seat and a slider; characterized in that: The mold cavity includes two sub-cavities, the shape and size of each sub-cavity matches the shape and size of the automobile connecting plate injection molded part, and the two sub-cavities are respectively arranged at the front and rear sides between the upper mold and the lower mold; The four demoulding structures are respectively arranged at the front side, the rear side, the left side and the right side of the cavity; the lower ends of the six front mold inserts are respectively inserted into the six insert sockets of the two automobile connecting plates; the slider seat of the front demoulding structure is provided with three sliders in the direction of the cavity, the slider seat of the rear demoulding structure is provided with three sliders in the direction of the cavity, the slider seat of the left demoulding structure is provided with two sliders in the direction of the cavity, and the slider seat of the right demoulding structure is provided with two sliders in the direction of the cavity; The three sliders of the front demoulding structure respectively conflict with the three outer ends of the front automobile connecting plate, and the three sliders of the rear demoulding structure respectively conflict with the three outer ends of the rear automobile connecting plate; the two sliders of the left demoulding structure respectively conflict with the left end of the front automobile connecting plate and the left end of the rear automobile connecting plate, and the two sliders of the right demoulding structure respectively conflict with the right end of the front automobile connecting plate and the right end of the rear automobile connecting plate.

2. The automobile connecting plate injection mold according to claim 1, characterized in that: The top ends of the B plates are respectively provided with guide pillars, and the A plates are sleeved in the guide pillars.

3. The automobile connecting plate injection mold according to claim 1, characterized in that: The injection flow channel comprises a vertical main flow channel at the top, a horizontal main flow channel at the bottom and branch flow channels arranged on both sides of the horizontal main flow channel, and the branch flow channels are respectively connected with the left and right ends and the middle of the cavity.

4. The automobile connecting plate injection mold according to claim 1, characterized in that: It also includes a water cooling pipe, which is arranged on one side of the cavity and can accelerate the cooling of the cavity.

5. The automobile connecting plate injection mold according to claim 1, characterized in that: In the demoulding structure, a slider is slidably arranged in the slider seat, an inclined guide column is movably inserted in the slider, and the inclined guide column is obliquely sleeved in the shovel base, and the shovel base and the slider seat are mutually opposed by an inclined plane; The slider seat comprises a wear-resistant base and pressure strips arranged on both sides of the wear-resistant base, a slide groove is formed between the wear-resistant base and the pressure strip, and the slider slides in the slide groove.

6. The automobile connecting plate injection mold according to claim 1, characterized in that: The right end of the cavity is provided with an elastic member, which can limit the cavity when the mold is closed and release the cavity after the mold is opened.

Images