An in-mold assembly structure for automobile air outlet

Abstract

The invention discloses an in-mold assembly structure for an automobile air outlet, which realizes the in-mold assembly of an automobile air outlet blade component, can simultaneously complete the injection molding and assembly of multiple sets of products, and the primary and secondary injection molding glue feed points are both located on the inner side of the product, effectively solving the problem of poor product appearance; a process sequence of primary injection molding of a bracket and secondary injection molding of a blade is adopted, and a first shovel base component and a second shovel base component cooperate with a sliding component during the two times of mold closing to realize the position change of an ejector pin in an ejector pin guide hole, so as to produce a bracket with a card table in the assembly hole and a blade with convex rings at both ends, so as to strengthen the assembly firmness and more effectively prevent the blade and the bracket from falling off; the cost of manual assembly is greatly reduced, and the assembly quality and production efficiency are improved.

Description

Technical Field

[0001] The invention relates to the field of mold design, and in particular to an in-mold assembly structure of an automobile air outlet. Background Art

[0002] The central control position of the car now has an air-conditioning blowing surface outlet structure. The central air outlet is composed of a main bracket / fan blades / fan blade bracket. At present, there are mainly two production and assembly forms. One is to make the bracket and fan blades separately, that is, to produce them through two sets of molds, and then manually assemble them. This requires a lot of labor costs and is inefficient. In addition, it is easy to cause poor product quality due to improper operation during the assembly process. The other is to use two-color molding to achieve in-mold assembly, but the structure of the product makes it impossible to reasonably design the flow channel and injection port in the mold design, or it is impossible to achieve demolding after the product is manufactured in the mold structure. In addition, there are problems such as loose product assembly and easy falling off. Summary of the invention

[0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide an in-mold assembly structure for an automobile air outlet.

[0004] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: an automobile air outlet mold in-mold assembly structure, including an upper mold, a lower mold and a lower mold rotating mechanism, the upper mold includes an upper fixed plate, a hot runner plate and a fixed mold plate fixedly connected in sequence from top to bottom, the lower mold includes a movable mold plate and a lower fixed plate fixedly connected in sequence from top to bottom, the lower mold rotating mechanism is arranged on an injection molding machine at the bottom of the lower mold, and two left and right injection molding structures are arranged in parallel between the fixed mold plate and the movable mold plate, including a first mold core, a second mold core, a sliding assembly, a first shovel base assembly and a second shovel base assembly; the structures of the first mold core and the second mold core are symmetrical on the left and right, and each is provided with two sets of secondary cores symmetrical front and back, and the hot runner pouring nozzle is located Above the middle of the two groups of secondary cores, the first mold core includes a first fixed mold core and a first movable mold core, the second mold core includes a second fixed mold core and a second movable mold core, the first fixed mold core and the second fixed mold core are fixed on the fixed mold plate, and the first movable mold core and the second movable mold core are fixed on the movable mold plate; first slide grooves are arranged on the left and right sides of the movable mold plate, and second slide grooves connected to the first slide grooves are arranged on the left and right sides of the first movable mold core and the second movable mold core, the sliding assembly is located in the first slide groove and the second slide groove, and is slidably connected; the first shovel base assembly and the second shovel base assembly are respectively arranged on the left and right sides of the first fixed mold core and the second fixed mold core, and are fixed on the fixed mold plate.

[0005] Further, the sliding assembly includes a sliding seat, a slider and a ejector block, a first spring, a second spring and a limit screw, the sliding seat is located in the first slide groove and is slidably connected, one side of the sliding seat is fixed to one side of the sliding seat, is located in the second slide groove and is slidably connected, the ejector block is arranged in a groove provided on the other side of the sliding seat and is slidably connected, the other side of the sliding seat is provided with a primary core and an inclined convex column, the interior of the sliding seat is provided with an ejector guide hole that passes through the inclined convex column, one end of the ejector is fixed to the ejector block, and the other end passes through the sliding seat and penetrates into the ejector guide hole, the first spring is arranged in the first spring groove of the sliding seat, the second spring is arranged in the second spring groove of the ejector block, and one end of the limit screw passes through the limit groove provided on the ejector block and is threadedly connected to the sliding seat.

[0006] Furthermore, the first shovel base assembly includes a first left shovel base and a first right shovel base, the second shovel base assembly includes a second left shovel base and a second right shovel base, the shovel base is provided with an inclined guide column, the sliding seat is provided with a guide column hole that slides with the inclined guide column, and the movable template is provided with a guide groove that slides with the inclined guide column.

[0007] Furthermore, it also includes a counter-thrower, one end of which is supported and fixed by a support seat, and the other end passes through the ejector block, the slide seat and the slide block in sequence. A spring is sleeved on the counter-thrower, one end of the spring presses against a circular block provided on the counter-thrower, and the other end presses against the bottom of a spring limiting groove provided on the slide block. A fixing block is provided on the lower side of the support seat, and the fixing block is fixed in a fixing groove provided on the slide seat. A card slot used in conjunction with the support seat is provided on the shovel base.

[0008] Furthermore, it also includes an anti-top block, the lower end of which is provided with an anti-top groove, and penetrates into a through groove provided on the second left shovel base and the second right shovel base and connected with the card groove, the anti-top groove is slidably matched with the end of the anti-top pin, the upper end of the anti-top block passes through the fixed template, and is fixed to the lower end of the fixed plate, and the fixed plate is fixed in the fixed groove provided at the side end of the hot runner plate.

[0009] Furthermore, it also includes a pressing plate and a slide wear-resistant sheet, which are respectively located on both sides and below the slide, are fixed on the movable template, and are slidably connected.

[0010] Furthermore, a hot runner pouring system is provided inside the hot runner plate, and the hot runner pouring system is fixedly connected to the upper fixed plate.

[0011] Furthermore, an ejection system is provided between the movable platen and the lower fixed plate for ejecting the product after the mold is opened.

[0012] Furthermore, during the primary injection molding process, the first plastic raw material flows through the first runner via the left hot runner pouring nozzle to complete the primary injection molding, and during the secondary injection molding process, the second plastic raw material flows through the second runner via the right hot runner pouring nozzle to complete the secondary injection molding.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes the in-mold assembly of the automobile air outlet blade assembly, can simultaneously complete the injection molding and assembly of multiple sets of products, the primary and secondary injection molding glue feed points are both located on the inner side of the product, effectively solving the problem of poor product appearance; adopts a process sequence of primary injection molding of the bracket and secondary injection molding of the blade, the first shovel base assembly and the second shovel base assembly cooperate with the sliding assembly during the two times of mold closing to realize the position change of the ejector pin in the ejector guide hole, so as to produce a bracket with a card table in the assembly hole and a blade with convex rings at both ends, so as to strengthen the assembly firmness and more effectively prevent the blade and the bracket from falling off; greatly reduces the cost of manual assembly, and improves the assembly quality and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 It is a structural schematic diagram of the lower mold of the present invention;

[0016] Figure 3 It is a structural schematic diagram of the injection molding system of the present invention;

[0017] Figure 4 It is a first schematic diagram of the structure of the sliding assembly of the present invention;

[0018] Figure 5 It is a second schematic diagram of the structure of the sliding assembly of the present invention;

[0019] Figure 6 It is a schematic diagram of the partial structure of the sliding assembly of the present invention;

[0020] Figure 7 It is a first schematic diagram of the structure of the first shovel base assembly of the present invention;

[0021] Figure 8 It is a second schematic diagram of the structure of the first shovel base assembly of the present invention;

[0022] Fig. 9 It is a first schematic diagram of the structure of the second shovel base assembly of the present invention;

[0023] Fig.10 It is a second schematic diagram of the structure of the second shovel base assembly of the present invention;

[0024] Fig.11 It is a structural schematic diagram of the movable template of the present invention;

[0025] Fig.12 It is a structural schematic diagram of the first movable mold core of the present invention;

[0026] Fig.13 It is a first schematic diagram of the structure of the slide seat of the present invention;

[0027] Fig.14 It is a second schematic diagram of the structure of the slide seat of the present invention;

[0028] Fig.15 It is a first schematic diagram of the structure of the top block of the present invention;

[0029] Fig.16 It is a second schematic diagram of the structure of the top block of the present invention;

[0030] Fig.17 This is a schematic diagram of the first structure of the slider of the present invention;

[0031] Fig.18 It is a schematic diagram of the second structure of the slider of the present invention;

[0032] Fig.19 It is a schematic diagram of the relative position state of the ejector pin and the ejector pin guide hole during one-step molding of the present invention;

[0033] Fig. 20 It is a schematic diagram of the relative position state of the ejector pin and the ejector pin guide hole during secondary molding of the present invention;

[0034] Fig.21 It is a schematic diagram of the relative position state of the anti-ejector pin and the anti-ejector block during secondary molding of the present invention;

[0035] Fig. 22 It is a schematic diagram of a product formed through the first flow channel during one-step forming of the present invention;

[0036] Fig.23 It is a schematic diagram of a product formed through the second flow channel during secondary molding of the present invention.

[0037] In the figure: 1-upper fixed plate; 2-hot runner plate; 3-fixed mold plate; 4-movable mold plate; 5-lower fixed plate; 6-first mold core; 7-second mold core; 8-sliding assembly; 9-first shovel base assembly; 10-second shovel base assembly; 11-inclined guide column; 12-reverse ejector pin; 13-support seat; 14-fixed block; 15-reverse ejector block; 151-reverse ejector groove; 16-pressing plate; 17-sliding seat wear-resistant sheet; 61-first fixed mold core; 62-first movable mold core; 71-second fixed mold core; 72-second movable mold core; 4 1-first slide groove; 42-second slide groove; 81-slide seat; 82-slider; 83-elevator block; 84-elevator pin; 85-first spring; 86-second spring; 87-limit screw; 811-groove; 812-first spring groove; 813-guide post hole; 821-primary core; 822-oblique convex column; 823-elevator guide hole; 831-second spring groove; 832-limit groove; 91-first left shovel base; 92-first right shovel base; 101-second left shovel base; 102-second right shovel base. DETAILED DESCRIPTION

[0038] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] like Figures 1 to 23As shown, the present invention provides an automobile air outlet in-mold assembly structure, including an upper mold, a lower mold and a lower mold rotating mechanism, the upper mold includes an upper fixed plate 1, a hot runner plate 2 and a fixed mold plate 3 fixedly connected in sequence from top to bottom, the lower mold includes a movable mold plate 4 and a lower fixed plate 5 fixedly connected in sequence from top to bottom, the lower mold rotating mechanism is arranged on the injection molding machine at the bottom of the lower mold, and is used to rotate the movable mold plate 4 as a whole 180 degrees after one or two injection molding. Two sets of injection molding structures are arranged in parallel between the fixed mold plate 3 and the movable mold plate 4, including a first mold core 6, a second mold core 7, a sliding assembly 8, a first shovel base assembly 9 and a second shovel base assembly 10; the structures of the first mold core 6 and the second mold core 7 are symmetrical, and each is provided with two sets of secondary cores symmetrical front and back, and the hot runner pouring nozzle is located above the middle of the two sets of secondary cores, the first mold core 6 includes a first fixed mold core 61 and a first movable mold core 62, the second mold core 7 includes a second fixed mold core 71 and a second movable mold core 72, the first fixed mold core 61 and the second fixed mold core 71 are fixed The first movable mold core 62 and the second movable mold core 72 are fixed on the fixed mold plate 3; the first slide groove 41 is arranged on the left and right sides of the movable mold plate 4, and the second slide groove 42 connected with the first slide groove 41 is arranged on the left and right sides of the first movable mold core 62 and the second movable mold core 72; the sliding component 8 is located in the first slide groove 41 and the second slide groove 42, and is slidably connected; the first shovel base component 9 and the second shovel base component 10 are respectively arranged on the left and right sides of the first fixed mold core 61 and the second fixed mold core 71, and are fixed on the fixed mold plate 3.

[0040] Preferably, the sliding assembly 8 includes a sliding seat 81, a slider 82 and a top block 83, a top pin 84, a first spring 85, a second spring 86 and a limit screw 87. The sliding seat 81 is located in the first sliding groove 41 and is slidably connected. One side of the sliding block 82 is fixed to one side of the sliding seat 81, is located in the second sliding groove 42 and is slidably connected. The top block 83 is assembled by two structures through screws. The top block 83 is arranged in a groove 811 provided on the other side of the sliding seat 81 and is slidably connected. A primary core 821 and an inclined convex column 822 are provided on the other side of the sliding block 82. An ejector guide hole 823 that penetrates the inclined convex column 822 is provided inside the sliding block 82. One end of the ejector 84 is fixed on the top block 83, and the other end passes through the sliding seat 81 and penetrates into the ejector Guide hole 823, the first spring 85 is arranged in the first spring groove 812 of the slide seat 81, and the second spring 86 is arranged in the second spring groove 831 of the ejector block 83. The elastic force of the first spring 85 pushes the slide seat 81 to slide backward, and the elastic force of the second spring 86 pushes the ejector block 83 to slide backward in the groove 811, so that the relative position of the ejector block 83 and the slide seat 81 moves. During the process, the ejector pin 84 is synchronously driven to slide backward, so that the ejector pin 84 slides backward at the position in the ejector pin guide hole 823. One end of the limit screw 87 passes through the limit groove 832 provided on the ejector block 83 and is threadedly connected to the slide seat 81. The limit screw 87 limits the sliding distance of the ejector block 83 in the groove 811.

[0041] Preferably, the first shovel base assembly 9 includes a first left shovel base 91 and a first right shovel base 92, the second shovel base assembly 10 includes a second left shovel base 101 and a second right shovel base 102, an inclined guide column 11 is provided on the shovel base, the sliding seat 81 is provided with a guide column hole 813 that slides with the inclined guide column 11, the movable template 4 is provided with a guide groove that slides with the inclined guide column 11, and the inclined guide column 11 is used to push the sliding assembly 8 to slide forward.

[0042] Preferably, it also includes a counter-thrust pin 12, one end of which is supported and fixed by a support seat 13, and the other end passes through the ejector block 83, the slide seat 81 and the slide block 82 in sequence. A spring is sleeved on the counter-thrust pin 12, one end of the spring presses against a circular block provided on the counter-thrust pin 12, and the other end presses against the bottom of a spring limiting groove provided on the slide block 82. A fixing block 14 is provided on the lower side of the support seat 13, and the fixing block 14 is fixed in a fixing groove provided on the slide seat 81. A card slot used in conjunction with the support seat 13 is provided on the shovel base.

[0043] Preferably, it also includes an anti-top block 15, the lower end of which is provided with an anti-top groove 151, and penetrates into the through groove provided on the second left shovel base 101 and the second right shovel base 102 and connected with the card groove, the anti-top groove 151 and the end of the anti-top pin 12 are slidably matched, the upper end of the anti-top block 15 passes through the fixed mold plate 3, and is fixed to the lower end of the fixed plate, and the fixed plate is fixed in the fixed groove provided on the side end of the hot runner plate 2. The anti-top block 15 is used in conjunction with the anti-top pin 12 to support the product during the mold opening process after the secondary injection molding is completed, so as to realize product demolding.

[0044] Preferably, it also includes a pressing plate 16 and a slide wear plate 17, which are respectively located on both sides and below the slide 81, and are both fixed to the movable plate 4 and slidably connected. The pressing plate 16 is used to guide the slide 81 for sliding, and the slide wear plate 17 is made of Korean brass plus graphite, so that the slide 81 slides more smoothly.

[0045] Preferably, a hot runner pouring system is provided inside the hot runner plate 2 , and the hot runner pouring system is fixedly connected to the upper fixed plate 1 .

[0046] Preferably, an ejection system is provided between the movable platen 4 and the lower fixed plate 5 for ejecting the product after the mold is opened.

[0047] Preferably, during the primary injection molding process, the first plastic raw material flows through the first runner via the left hot runner pouring nozzle to complete the primary injection molding, and during the secondary injection molding process, the second plastic raw material flows through the second runner via the right hot runner pouring nozzle to complete the secondary injection molding. Both injection points are located on the inner side of the product.

[0048] The specific working process of the present invention is as follows: the fixed mold plate 3 and the movable mold plate 4 are molded together, the first shovel base assembly 9 and the sliding assembly 8 cooperate to complete a mold closing and sealing. At this time, the top end of the ejector pin 84 passes through the inclined convex column 822, and the first plastic raw material flows through the first runner through the left hot runner pouring hot nozzle to complete a first injection molding and glue feeding. After the first injection molding is completed, the fixed mold plate 3 and the movable mold plate 4 are separated. Under the elastic force of the inclined guide column 11 and the first spring 85, the slide seat 81 slides backward and resets. At the same time, the elastic force of the second spring 86 pushes the ejector block 83 to slide backward in the groove 811, so that the ejector block 83 and the slide seat 81 are locked. The relative position of the seat 81 moves, and the ejector pin 84 synchronously slides backward to its top end and is withdrawn into the ejector pin guide hole 823. The lower mold rotating mechanism rotates the movable mold plate 4 as a whole by 180 degrees. The second shovel base assembly 10 cooperates with the sliding assembly 8 to complete the secondary mold closing and sealing. The second plastic raw material flows through the second runner through the hot runner pouring nozzle on the right side to complete the secondary injection molding. After the secondary injection molding is completed, the fixed mold plate 3 and the movable mold plate 4 are separated again. During the process, the sliding assembly 8 is reset, and the anti-top groove 151 at the lower end of the anti-top block 15 pushes against the anti-top pin 12 to demold the product, and the ejection system ejects the assembled product.

[0049] 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 principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An in-mold assembly structure for an automobile air outlet, characterized in that: The invention comprises an upper mold, a lower mold and a lower mold rotating mechanism, wherein the upper mold comprises an upper fixed plate (1), a hot runner plate (2) and a fixed mold plate (3) which are fixedly connected in sequence from top to bottom, and the lower mold comprises a movable mold plate (4) and a lower fixed plate (5) which are fixedly connected in sequence from top to bottom. The lower mold rotating mechanism is arranged on an injection molding machine at the bottom of the lower mold, and two sets of injection molding structures are arranged in parallel between the fixed mold plate (3) and the movable mold plate (4), comprising a first mold core (6), a second mold core (7), a sliding component (8), a first shovel base component (9) and a second shovel base component (10); the structures of the first mold core (6) and the second mold core (7) are symmetrical on the left and right, and each is provided with two sets of secondary mold cores which are symmetrical in front and back, and the hot runner pouring nozzle is located above the middle of the two sets of secondary mold cores, the first mold core (6) comprises a first fixed mold core (61) and a first movable mold core (62), and the first mold core (61) comprises a first fixed mold core (61) and a first movable mold core (62). The second mold core (7) comprises a second fixed mold core (71) and a second movable mold core (72); the first fixed mold core (61) and the second fixed mold core (71) are fixed on the fixed mold plate (3); the first movable mold core (62) and the second movable mold core (72) are fixed on the movable mold plate (4); the left and right sides of the movable mold plate (4) are provided with first slide grooves (41); the left and right sides of the first movable mold core (62) and the second movable mold core (72) are provided with second slide grooves (42) connected with the first slide grooves (41); the sliding component (8) is located in the first slide groove (41) and the second slide groove (42) and is slidably connected; the first shovel base component (9) and the second shovel base component (10) are respectively provided on the left and right sides of the first fixed mold core (61) and the second fixed mold core (71), and are fixed on the fixed mold plate (3); The sliding assembly (8) comprises a sliding seat (81), a slider (82) and a top block (83), a top pin (84), a first spring (85), a second spring (86) and a stop screw (87); the sliding seat (81) is located in the first sliding groove (41) and is slidably connected; one side of the sliding block (82) is fixed to one side of the sliding seat (81) and is located in the second sliding groove (42) and is slidably connected; the top block (83) is arranged in a groove (811) provided on the other side of the sliding seat (81) and is slidably connected; the other side of the sliding block (82) is provided with a primary core (821) and an inclined convex column (82 2), a pin guide hole (823) penetrating the inclined convex column (822) is provided inside the sliding block (82), one end of the pin (84) is fixed on the ejector block (83), and the other end passes through the sliding seat (81) and penetrates into the pin guide hole (823), the first spring (85) is arranged in the first spring groove (812) of the sliding seat (81), the second spring (86) is arranged in the second spring groove (831) of the ejector block (83), and one end of the limit screw (87) passes through the limit groove (832) provided on the ejector block (83) and is threadedly connected to the sliding seat (81); The first shovel base assembly (9) comprises a first left shovel base (91) and a first right shovel base (92), the second shovel base assembly (10) comprises a second left shovel base (101) and a second right shovel base (102), the shovel bases are provided with inclined guide columns (11), the slide seat (81) is provided with guide column holes (813) which are slidably matched with the inclined guide columns (11), and the movable template (4) is provided with guide grooves which are slidably matched with the inclined guide columns (11); The fixed mold plate (3) and the movable mold plate (4) are molded together, and the first shovel base component (9) and the sliding component (8) cooperate to complete a mold closing and sealing. At this time, the top end of the ejector pin (84) passes through the inclined convex column (822), and the first plastic raw material flows through the first runner via the left hot runner pouring nozzle to complete a first injection molding. After the first injection molding is completed, the fixed mold plate (3) and the movable mold plate (4) are separated. Under the action of the inclined guide column (11) of the first shovel base component (9) and the elastic force of the first spring (85), the slide seat (81) slides backward to reset. At the same time, the elastic force of the second spring (86) pushes the ejector block (83 ) slides backward in the groove (811), so that the relative position of the ejector block (83) and the slide seat (81) moves, and the ejector pin (84) synchronously slides backward to its top end and is withdrawn into the ejector pin guide hole (823). The lower mold rotating mechanism rotates the movable mold plate (4) as a whole by 180 degrees. The second shovel base assembly (10) cooperates with the sliding assembly (8) to complete the secondary mold closing and sealing. The second plastic raw material flows through the second runner through the hot runner pouring nozzle on the right side to complete the secondary injection molding. The secondary injection molding is completed.

2. The in-mold assembly structure of an automobile air outlet according to claim 1, characterized in that: It also includes an anti-thrust pin (12), one end of which is supported and fixed by a support seat (13), and the other end of which passes through the ejector block (83), the slide seat (81) and the slide block (82) in sequence. A spring is sleeved on the anti-thrust pin (12), one end of which presses against a circular block provided on the anti-thrust pin (12), and the other end presses against the bottom of a spring limiting groove provided on the slide block (82). A fixing block (14) is provided at the lower side of the support seat (13), and the fixing block (14) is fixed in a fixing groove provided on the slide seat (81). A clamping groove used in conjunction with the support seat (13) is provided on the shovel base.

3. The in-mold assembly structure of an automobile air outlet according to claim 2, characterized in that: It also includes an anti-top block (15), the lower end of which is provided with an anti-top groove (151) and penetrates into a through groove provided on the second left shovel base (101) and the second right shovel base (102) and connected with the clamping groove, the anti-top groove (151) and the end of the anti-top pin (12) being slidably matched, the upper end of the anti-top block (15) passing through the fixed mold plate (3) and being fixed to the lower end of the fixed plate, and the fixed plate being fixed in a fixed groove provided at the side end of the hot runner plate (2).

4. The in-mold assembly structure of an automobile air outlet according to claim 1, characterized in that: It also includes a pressing plate (16) and a slide seat wear-resistant sheet (17), wherein the pressing plate (16) and the slide seat wear-resistant sheet (17) are respectively located on both sides and below the slide seat (81), are both fixed on the movable template (4), and are slidably connected.

5. The in-mold assembly structure of an automobile air outlet according to claim 1, characterized in that: A hot runner pouring system is provided inside the hot runner plate (2), and the hot runner pouring system is fixedly connected to the upper fixed plate (1).

6. The in-mold assembly structure of an automobile air outlet according to claim 1, characterized in that: An ejection system is provided between the movable plate (4) and the lower fixed plate (5) and is used for ejecting the product after the mold is opened.

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