Automobile skylight guide rail support forming die

Abstract

The utility model provides an automobile skylight guide rail support forming die which comprises an upper die body and a lower die body, an upper forming male die body is arranged on the upper die body, a forming insert fixing plate is fixedly arranged in the lower die body, an insert fixing groove is formed in the position, opposite to the upper forming male die body, in the forming insert fixing plate, and the upper forming male die body and the lower forming male die body are fixedly arranged in the insert fixing groove. An inner stripping insert is fixedly arranged in the insert fixing groove, an insert through groove is formed in the inner stripping insert, and a lower forming insert is movably arranged in the insert through groove. The inner stripping insert and the lower forming insert form a lower forming insert assembly, and the lower forming insert assembly is matched with the upper forming male die to punch and form a product. The skylight guide rail support mold solves the problems that an existing skylight guide rail support mold is poor in adjustability and high in production cost during matching adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of mold processing, in particular to a molding mold for a sunroof guide rail bracket of an automobile. Background Art

[0002] The car sunroof system is an important device for air exchange inside the car, and the sunroof guide rail bracket is an important component in the car sunroof system. It plays a very important role in the car sunroof system. There are high requirements for the flatness of the sunroof guide rail bracket products and the straightness of the guide rail part to ensure the smooth and smooth use of the sunroof. Figure 1 In the stamping die of the sunroof guide rail bracket product shown, the lower die insert used for forming is usually an integrated structure. Due to the large area of ​​the sunroof guide rail bracket, the processing accuracy of the die insert and the flatness of the mold insert forming surface are very high. The one-piece structure of the insert mold part has poor adjustability. Once the local structure of the product is adjusted, or the mold insert needs to be matched and adjusted, the entire mold insert needs to be lowered, polished, and ground, resulting in a high increase in production costs. Therefore, it is necessary to invent a new automobile sunroof guide rail bracket forming mold structure. Utility Model Content

[0003] The utility model aims to provide a forming die for a sunroof guide rail bracket of an automobile, so as to solve the problems that the existing sunroof guide rail bracket die has poor adjustability and high production cost during matching and adjustment.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A forming die for a sunroof guide rail bracket of an automobile comprises an upper die and a lower die, wherein an upper forming punch is arranged on the upper die, a forming insert fixing plate is fixedly arranged in the lower die, an insert fixing groove is arranged in the forming insert fixing plate at a position relative to the upper forming punch, an inner release insert is fixedly arranged in the insert fixing groove, an insert through groove is arranged in the inner release insert, a lower forming insert is movably arranged in the insert through groove; the inner release insert and the lower forming insert constitute a lower forming insert assembly, and the lower forming insert assembly cooperates with the upper forming punch to stamp and form the product.

[0006] Furthermore, the upper die also includes an upper die seat, and the upper forming punch is fixedly connected to the lower end surface of the upper die seat.

[0007] Furthermore, the lower die also includes a lower supporting plate, the upper end surface of the lower supporting plate is fixedly connected to a lower pad, the upper end of the lower pad is fixedly connected to a lower die base, and the molding insert fixing plate is fixedly connected to the upper end surface of the lower die base.

[0008] Furthermore, a lower unloading spring is provided in the lower die, the lower end of the lower unloading spring is fixedly connected to the lower support plate, the upper end of the lower unloading spring is connected to a lower push rod, and the lower push rod passes through the lower die seat and the forming insert fixing plate in sequence from bottom to top and abuts against the lower end surface of the inner ejection insert.

[0009] Furthermore, a plurality of groups of limit blocks for limiting the edge of the material plate are arranged at the upper end of the inner stripping insert, the limit blocks are arranged at intervals along the edge of the material plate, and a plurality of groups of avoidance grooves are arranged at positions corresponding to the limit blocks on the upper forming punch.

[0010] Furthermore, the upper end surface of the inner-release insert is provided with a plurality of groups of limiting grooves, and the limiting blocks are connected in the limiting grooves by screwing.

[0011] Furthermore, the limit block is an inverted L-shaped structure, the lower part of which is arranged in the limit groove, and a limit boss is provided on one side of the limit block close to the edge of the material plate.

[0012] Furthermore, a positioning pin is fixedly connected to the upper end surface of the lower forming insert, and the positioning pin passes through the lower positioning hole of the material plate. An upper positioning hole is provided on the upper forming punch at a position corresponding to the positioning pin.

[0013] Furthermore, the upper edge of the insert through groove is provided with a lower forming R angle for forming the bending edge of the product, and the lower edge of the upper forming punch is provided with an upper forming R angle for cooperating with the lower forming R angle.

[0014] Furthermore, lower forming bosses are arranged on the left and right sides of the lower forming insert, and an upper forming sink for cooperating with the lower forming bosses is arranged at the lower end of the upper forming punch.

[0015] The beneficial effects of the utility model are as follows: the utility model solves the adjustable matching problem of the mold by designing the insert in the mold through divided parts and combining multiple small parts. When matching problems occur, only the required small parts need to be processed and trimmed, which greatly reduces the production cost; coupled with several positioning structures of the mold to ensure the molding accuracy of the product, this molding method can achieve good product flatness and ensure smooth and smooth use of the skylight.

[0016] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a product structure diagram of the utility model.

[0018] Figure 2 The utility model is a structural diagram of a forming die for a sunroof guide rail bracket of an automobile.

[0019] Figure 3 The utility model is an exploded view of a forming die for a sunroof guide rail bracket of an automobile.

[0020] Figure 4 The utility model is a cross-sectional view of a closed state of a forming die of a sunroof guide rail bracket for an automobile.

[0021] Figure 5 The utility model is a cross-sectional view of an open state of a forming mold of a sunroof guide rail bracket for an automobile.

[0022] Figure 6 It is a structural diagram of the lower forming insert assembly in the utility model.

[0023] Figure 7 This is a diagram of the matching structure of the lower forming insert assembly and the material plate in the utility model.

[0024] Figure 8 It is an exploded view of the lower forming insert assembly of the utility model.

[0025] Fig. 9 It is a structural diagram of the upper forming punch in the utility model. DETAILED DESCRIPTION

[0026] like Figures 2 to 9 The automobile sunroof guide rail bracket forming mold shown in the figure includes an upper mold 10 and a lower mold 20, wherein the upper mold 10 is provided with an upper forming punch 102, and the lower mold 20 is fixedly provided with a forming insert fixing plate 203, and the forming insert fixing plate 203 is provided with an insert fixing groove 2031 at a position relative to the upper forming punch 101, and an inner release insert 201 is fixedly provided in the insert fixing groove 2031, and an insert through groove 2011 is provided in the inner release insert 201, and a lower forming insert 202 is movably provided in the insert through groove 2011; the inner release insert 201 and the lower forming insert 202 constitute a lower forming insert assembly, and the lower forming surface of the lower forming insert assembly cooperates with the upper forming surface of the upper forming punch 102 to stamp and form the product.

[0027] Preferably, in combination with the above solution, in order to facilitate the assembly of various parts in the upper die of the mold, the upper die 10 further includes an upper die base 101 , and the upper molding punch 102 is fixedly connected to the lower end surface of the upper die base 101 .

[0028] Preferably, in combination with the above scheme, in order to facilitate the assembly of various parts in the lower die of the mold, the lower die 20 also includes a lower support plate 206, the upper end surface of the lower support plate 206 is fixedly connected to the lower pad 205, the upper end of the lower pad 205 is fixedly connected to the lower die base 204, and the molding insert fixing plate 203 is fixedly connected to the upper end surface of the lower die base 204.

[0029] Preferably, in combination with the above scheme, in order to facilitate demolding of the product blank after molding, a lower unloading spring 208 is provided in the lower mold 20, and the lower unloading spring 208 is a nitrogen spring. The lower end of the lower unloading spring 208 is fixedly connected to the lower support plate 206, and the upper end of the lower unloading spring 208 is connected to a lower ejector rod 209. The lower ejector rod 209 passes through the lower mold base 204 and the molding insert fixing plate 203 from bottom to top in sequence and abuts against the lower end surface of the inner ejector insert 201.

[0030] Preferably, in combination with the above-mentioned scheme, in order to better limit the edge of the material sheet 200 and prevent the material sheet 200 from deviating so as to ensure the processing accuracy, the upper end of the inner stripping block 201 is provided with a plurality of groups of limit blocks 207 for limiting the edge of the material sheet, and the limit blocks 207 are arranged at intervals along the edge positions of the material sheet 200, and a plurality of groups of avoidance grooves 1021 are provided on the upper forming punch 102 at the positions corresponding to the limit blocks 207.

[0031] Preferably, in combination with the above solution, in order to facilitate the assembly and adjustment of the limit block 207, the upper end surface of the inner release insert 201 is provided with a plurality of groups of limit grooves 2012, and the limit block 207 is connected in the limit groove 2012 by screwing.

[0032] Preferably, in combination with the above solution, the limit block 207 is an inverted L-shaped structure, the lower part of which is arranged in the limit groove 2012, and the limit block 207 is provided with a limit boss 2071 on one side close to the edge of the plate 200. The limit distance can be adjusted by grinding the limit boss 2071.

[0033] Preferably, in combination with the above solution, in order to position the product more accurately, a positioning pin 2021 is fixedly connected to the upper end surface of the lower forming insert 202, and the positioning pin 2021 passes through the lower positioning hole 2001 of the material plate 200, and an upper positioning hole 1022 is provided on the upper forming punch 102 at a position corresponding to the positioning pin 2021. The position of the lower positioning hole 2001 corresponds to the position of the weight-reducing hole 1003 of the product 100, and when the product blank is stamped, the weight-reducing hole 1003 is punched out at this position in the subsequent punching station.

[0034] Preferably, in combination with the above scheme, in order to better stamp and form the bending edge 1001 of the product 100, the upper edge of the insert groove 2011 is provided with a lower forming R angle 2013 for forming the bending edge 1001 of the product, and the lower edge of the upper forming punch 102 is provided with an upper forming R angle 1023 for cooperating with the lower forming R angle 2013.

[0035] Preferably, in combination with the above scheme, in order to be able to stamp the mounting boss 1002 of the product 100, lower forming bosses 2022 are provided on the left and right sides of the lower forming insert 202, and the lower end of the upper forming punch 102 is provided with an upper forming sink 1024 for cooperating with the lower forming boss 2022.

[0036] The utility model can be used in the stamping and forming station of the progressive die, mainly through the cooperation between the lower forming surface of the lower forming insert assembly and the upper forming surface of the upper forming punch 102 to stamp and form the multi-step surface of the product.

[0037] When the mold is closed, the material plate 200 on the material belt is just located above the lower forming insert assembly, and the upper mold 10 moves downward with the upper forming punch 102. The upper forming punch 102 first contacts the upper surface of the material plate 200, and presses the lower surface of the material plate 200 to contact with the lower forming insert 202 (due to the existence of the lower unloading spring 208, the lower forming insert 202 will be lifted to a certain height, and provide elastic pressing force to ensure that the material plate 200 does not move). Then, the lower forming insert 202 is gradually and completely pressed into the inner unloading insert 201 until the mold is completely closed, completing the step surface forming, boss forming and bending edge 1001 forming of the product blank, and completing a stamping and mold closing process;

[0038] After the stamping is completed, the mold is opened. The upper mold 10 moves upward with the upper forming punch 102 to a discharge height (11 mm). At this time, the lower discharge spring 208 and the lower ejector 209 elastically act on the lower forming insert 202 to provide an upward discharge force, and the product blank is completely removed from the inner stripping insert 201. Then the upper mold 10 continues to move upward until the upper vertex of the punch stroke. At this time, the mold is fully opened, and a stamping and mold opening process is completed;

[0039] Then the material strip is sent from left to right with a step distance, and the product blank undergoes trimming, punching, hole forming and other processes in subsequent workstations until all structures in the process layout are completed and product 100 is manufactured. This cycle is repeated to realize automated mold production.

[0040] It should be noted that all directional indications in the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain posture shown in the drawings. If the specific posture changes, the directional indication will also change accordingly.

[0041] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions without improvement, they all fall within the protection scope of the utility model.

Claims

1. A forming die for a sunroof guide rail support of an automobile, comprising an upper die (10) and a lower die (20), wherein the upper die (10) is provided with an upper forming convex die (102), wherein: A forming insert fixing plate (203) is fixedly arranged in the lower die (20), an insert fixing groove (2031) is arranged in the forming insert fixing plate (203) at a position relative to the upper forming punch (102), an inner release insert (201) is fixedly arranged in the insert fixing groove (2031), an insert through groove (2011) is arranged in the inner release insert (201), and a lower forming insert (202) is movably arranged in the insert through groove (2011); the inner release insert (201) and the lower forming insert (202) constitute a lower forming insert assembly, and the lower forming insert assembly cooperates with the upper forming punch (102) to stamp and form the product.

2. The automobile sunroof guide rail bracket forming mold according to claim 1, characterized in that: The upper die (10) further comprises an upper die base (101), and the upper forming convex die (102) is fixedly connected to the lower end surface of the upper die base (101).

3. The automobile sunroof guide rail bracket forming mold according to claim 1, characterized in that: The lower mold (20) further comprises a lower supporting plate (206), the upper end surface of the lower supporting plate (206) being fixedly connected to a lower pad (205), the upper end of the lower pad (205) being fixedly connected to a lower mold base (204), and the molding insert fixing plate (203) being fixedly connected to the upper end surface of the lower mold base (204).

4. The automobile sunroof guide rail bracket forming mold according to claim 3, characterized in that: The lower die (20) is provided with a lower discharge spring (208), the lower end of which is fixedly connected to the lower support plate (206), and the upper end of which is connected to a lower ejector rod (209). The lower ejector rod (209) passes through the lower die seat (204), the molding insert fixing plate (203) in sequence from bottom to top, and abuts against the lower end surface of the inner ejector insert (201).

5. The automobile sunroof guide rail bracket forming mold according to claim 1, characterized in that: The upper end of the inner stripping insert (201) is provided with a plurality of groups of limit blocks (207) for limiting the edge of the material plate, the limit blocks (207) are arranged at intervals along the edge of the material plate (200), and the upper forming punch (102) is provided with a plurality of groups of avoidance grooves (1021) at positions corresponding to the limit blocks (207).

6. The automobile sunroof guide rail bracket forming mold according to claim 5, characterized in that: The upper end surface of the inner release insert (201) is provided with a plurality of groups of limiting grooves (2012), and the limiting block (207) is connected in the limiting grooves (2012) by screw connection.

7. The automobile sunroof guide rail bracket forming mold according to claim 6, characterized in that: The limit block (207) is an inverted L-shaped structure, the lower part of which is arranged in the limit groove (2012), and a limit boss (2071) is provided on one side of the limit block (207) close to the edge of the material plate (200).

8. The automobile sunroof guide rail bracket forming mold according to claim 1, characterized in that: A positioning pin (2021) is fixedly connected to the upper end surface of the lower forming insert (202), and the positioning pin (2021) passes through the lower positioning hole (2001) of the material plate (200), and an upper positioning hole (1022) is provided on the upper forming punch (102) at a position corresponding to the positioning pin (2021).

9. The automobile sunroof guide rail bracket forming mold according to claim 1, characterized in that: The upper edge of the insert through groove (2011) is provided with a lower forming R angle (2013) for forming the bending edge (1001) of the product, and the lower edge of the upper forming punch (102) is provided with an upper forming R angle (1023) for cooperating with the lower forming R angle (2013).

10. The automobile sunroof guide rail bracket forming mold according to claim 1, characterized in that: The left and right sides of the lower forming insert (202) are provided with lower forming bosses (2022), and the lower end of the upper forming punch (102) is provided with an upper forming sink (1024) for cooperating with the lower forming bosses (2022).

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