Multi-station progressive die for machining automobile sliding skylight support

Abstract

The utility model relates to the technical field of die equipment, in particular to a multi-station progressive die for machining an automobile sliding skylight support, which comprises a lower die body, an upper die body, a material pressing core, a material supporting core, an upper bed surface and a lower bed surface, the upper die body is mounted on the upper bed surface, and the lower die body is mounted on the lower bed surface. A lower die insert and a sliding frame are installed on the lower die body, an upper die insert is installed on the upper die body, the position of the upper die insert corresponds to the position of the lower die insert, a material pressing core and a material supporting core are installed between the lower die body and the upper die body, and a plurality of limiting columns and a plurality of polyurethane damping blocks are fixedly connected to the lower die body. And a plurality of self-lubricating guide sleeves are arranged on the lower die body. According to the multi-layer guide structure, precise positioning and stable operation of all parts of the die in the stamping process are guaranteed, and the machining precision and the reliability of the die can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die equipment, in particular to a multi-station progressive die for machining an automobile sliding sunroof bracket. Background Technique

[0002] At present, a die is various dies and tools used in industrial production to obtain required products by methods such as injection molding, blow molding, extrusion, die casting, or forging, smelting, stamping, etc. The development of China's die industry gives strong support to the manufacturing industry, and at the same time, the development of the manufacturing industry also promotes the development of the die industry.

[0003] At present, an automobile sunroof bracket is a key component to ensure the stability and safety of the sunroof. It not only needs to bear the weight of the sunroof itself but also resist wind pressure and other external forces during vehicle driving. The machining of an automobile sunroof bracket usually requires multiple independent processes, such as shearing, bending, punching, forming, etc. Processes such as engraving, punching, and forming need to be completed separately in multiple dies or stations. This not only increases the production cost and prolongs the production cycle but also makes the material easily damaged during the process conversion, reducing the finished product rate. Moreover, in the existing multi-station progressive die design, due to the imperfect guiding structure, the positioning during the stamping process of the die may be inaccurate, the material is prone to shift, affecting the machining accuracy. In addition, the cooperation between die components is not tight enough, which may cause unstable operation, further affecting the product quality and production efficiency.

[0004] Therefore, there is a need for a multi-station progressive die for machining an automobile sliding sunroof bracket that can solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a multi-station progressive die for machining an automobile sliding sunroof bracket. The multi-level guiding structure in the utility model ensures the precise positioning and stable operation of each die component during the stamping process, and can effectively improve the machining accuracy and the reliability of the die.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a multi-station progressive die for machining an automobile sliding sunroof bracket, including a lower die body, an upper die body, a blank holder core, a strip carrier core, an upper bed surface and a lower bed surface. The upper die body is installed on the upper bed surface, the lower die body is installed on the lower bed surface. A lower die insert and a slide are installed on the lower die body, an upper die insert is installed on the upper die body, and the position of the upper die insert corresponds to the position of the lower die insert. The blank holder core and the strip carrier core are installed between the lower die body and the upper die body;

[0007] A plurality of limit columns and a plurality of polyurethane damping blocks are fixedly connected to the lower die body, and a plurality of self-lubricating bushings are arranged on the lower die body;

[0008] The stock supporting core is fixedly connected to the lower die body. The stock supporting core includes a stock supporting plate A and a stock supporting plate B. A plurality of guiding blocks A are fixedly connected to the stock supporting plate A. Two stock guiding plates are fixedly connected to one side of the stock supporting plate A. The stock supporting plate B is arranged on the other side of the stock supporting plate A, and there are two stock supporting plates B. A lower pressure plate is fixedly connected between the two stock supporting plates B. A plurality of guiding blocks B are fixedly connected to the stock supporting plate B;

[0009] A stamping square punch and a plurality of punches are fixedly connected to the upper die body. The pressure core is fixedly connected to the upper die body. The pressure core includes a pressure plate A and a pressure plate B. A plurality of pilot pins are connected to the bottom of the pressure plate A. A punching insert is fixedly connected to the bottom of the pressure plate B, and the position of the punching insert corresponds to the position of the punch.

[0010] Further, a plurality of pressure inserts A are fixedly connected to one side of the pressure plate A, and a plurality of pressure inserts B are fixedly connected to the bottom of the pressure plate B.

[0011] Further, a plurality of guiding columns are fixedly connected to the lower die body, and a plurality of guiding seats are fixedly connected to the upper die body, and the positions of the guiding seats correspond to the positions of the guiding columns.

[0012] Further, a plurality of spiral springs are fixedly connected to the lower die body, and a plurality of rectangular spiral springs are fixedly connected to the upper die body.

[0013] Further, a plurality of guiding columns A are fixedly connected to the upper ends of the pressure plate A and the pressure plate B. The pressure plate A and the pressure plate B are respectively connected to the upper die body through the guiding columns A. A plurality of guiding columns B are fixedly connected to the bottom of the stock supporting plate A. The stock supporting plate A is connected to the lower die body through the guiding columns B. A plurality of guiding columns C are fixedly connected to the bottom of the stock supporting plate B. The stock supporting plate B is connected to the lower die body through the guiding columns C.

[0014] Further, a lifting rod A is fixedly connected to each of the left and right sides of the lower die body, and a lifting rod B is fixedly connected to each of the left and right sides of the upper die body.

[0015] Further, a plurality of stroke limit screws A are fixedly connected to the lower die body, a plurality of stroke limit screws B are fixedly connected to the upper ends of the pressure plate A and the pressure plate B, and a stroke limit screw C is fixedly connected to the bottom of the lower pressure plate.

[0016] The advantages of the present utility model are as follows: The present utility model provides a multi-station progressive die for processing an automotive sliding sunroof bracket, and the present utility model has the following advantages:

[0017] 1. The utility model not only adopts traditional guide posts and guide seats, but also adds multiple guide blocks A, guide blocks B, and pilot pins at the bottom of blank holder A and blank holder B. This multi-level guiding structure ensures the precise positioning and stable operation of each component of the mold during the stamping process, and can effectively improve the processing accuracy and the reliability of the mold; through the precise correspondence between the upper die inserts and the lower die inserts, multiple limit posts, guide posts, and the pilot pins at the bottom of the blank holder core cooperate with the blank holder inserts A and blank holder inserts B, ensuring the accurate positioning of the material during the stamping process, reducing processing errors, and improving product accuracy.

[0018] 2. The integrated design of the engraved square punch and multiple punches in the utility model, combined with the position matching of the punching inserts, realizes multiple processes such as engraving, punching, and forming in the same mold, greatly improving the production efficiency and the flexibility of the production line.

[0019] 3. Through the cooperative action of the spiral spring on the lower die body and the rectangular spiral spring on the upper die body, the utility model can ensure rapid reset after stamping, improve the production rhythm, and also facilitate the opening and closing of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 is the exploded structure schematic diagram of the utility model;

[0022] Figure 2 is the structure schematic diagram of the lower die body of the utility model;

[0023] Figure 3 is the structure schematic diagram of the upper die body of the utility model;

[0024] Figure 4 is the structure schematic diagram of the blank holder core of the utility model;

[0025] Figure 5 is the structure schematic diagram of the blank holder core of the utility model;

[0026] Wherein:

[0027] 1. Lower die body; 101. Lifting rod A; 102. Stripper bushing

[0028] 103. Limit post; 104. Helical spring; 105. Polyurethane shock-absorbing block;

[0029] 106. Self-lubricating guide bushing; 107. Stroke limit screw A; 108. Lower die insert;

[0030] 109. Guide post; 110. Slide carriage; 2. Upper die body;

[0031] 201. Lifting rod B; 202. Upper die insert; 203. Rectangular helical spring;

[0032] 204. Guide seat; 205. Engraving square punch; 206. Punch;

[0033] 3. Blank holder core; 301. Blank holder plate A; 3011. Stroke limit screw B;

[0034] 3012. Guide post A; 3013. Pilot pin; 3014. Blank holder insert A;

[0035] 302. Blank holder plate B; 3021. Punching insert; 3022. Blank holder insert B;

[0036] 4. Stock support core; 401. Stock support plate A; 4011. Guide stock plate;

[0037] 4012. Workpiece guiding block A; 4013. Guide post B; 402. Stock support plate B;

[0038] 4021. Lower blank holder plate; 4022. Workpiece guiding block B; 4023. Guide post C;

[0039] 4024. Stroke limit screw C; 5. Upper bed surface; 6. Lower bed surface. Detailed implementation manners

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0041] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. The terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0042] Embodiment 1:

[0043] Figure 1 is the schematic explosion structure diagram of the present utility model, Figure 2 is the schematic structure diagram of the lower die body of the present utility model, Figure 3 is the schematic structure diagram of the upper die body of the present utility model, Figure 4 is the schematic structure diagram of the blank holder core of the present utility model, Figure 5 is the schematic structure diagram of the material supporting core of the present utility model, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A multi-station progressive die for processing automotive sliding sunroof brackets, as shown, includes a lower die body 1, an upper die body 2, a blank holder core 3, a stock support core 4, an upper bed surface 5 and a lower bed surface 6. The upper die body 2 is installed on the upper bed surface 5, and the lower die body 1 is installed on the lower bed surface 6. A lower die insert 108 and a slide carriage 110 are installed on the lower die body 1, and an upper die insert 202 is installed on the upper die body 2. The position of the upper die insert 202 corresponds to the position of the lower die insert 108. The blank holder core 3 and the stock support core 4 are installed between the lower die body 1 and the upper die body 2. In the present utility model, the upper die body 2 and the lower die body 1 form the basic framework of the die. The upper die body 2 moves downward during stamping and cooperates with the stationary lower die body 1 to form a closed space for stamping the material. The blank holder core 3 is used to press the material during stamping to prevent the material from moving. The stock support core 4 is used to support the material to ensure the accurate position of the material during stamping. Acting together with the blank holder core 3, it ensures the processing accuracy. The lower die insert 108 is used to cooperate with the upper die insert 202 to complete the stamping action, and the slide carriage 110 provides guidance and support for the material to ensure the smoothness of the material during feeding. The upper die insert 202 and the lower die insert 108 are precisely corresponding and can complete operations such as forming and cutting during the stamping process.

[0044] In the present utility model, a plurality of limit posts 103 and a plurality of polyurethane shock-absorbing blocks 105 are fixedly connected to the lower die body 1. The limit posts 103 ensure the relative positions of the various components of the die, and the polyurethane shock-absorbing blocks effectively absorb the impact force during stamping, reduce vibration, not only protect the die structure, but also reduce the noise pollution of the working environment and improve the working conditions. A plurality of self-lubricating bushings 106 are provided on the lower die body 1. The setting of the self-lubricating bushings 106 reduces the friction between moving parts, ensures the smooth operation of the die, extends the die life, and reduces the maintenance frequency and cost.

[0045] The stock support core 4 in the present utility model is fixedly connected to the lower die body 1. The stock support core 4 includes a stock support plate A 401 and a stock support plate B 402. A plurality of guide blocks A are fixedly connected to the stock support plate A 401. Two stock guide plates 4011 are fixedly connected to one side of the stock support plate A 401. The stock support plate B 402 is arranged on the other side of the stock support plate A 401. There are two stock support plates B 402. A lower blank holder plate 4021 is fixedly connected between the two stock support plates B 402. A plurality of guide blocks B are fixedly connected to the stock support plate B 402. The stock support plate A 401 cooperates with the guide blocks A and the stock guide plates 4011 to provide guidance and support for the material. The stock support plate B 402 and the guide blocks B and the lower blank holder plate 4021 act together to ensure the stability and positioning of the material during stamping. The guide blocks A and the guide blocks B provide additional guiding functions to ensure the precise alignment of the material in the die and improve the processing accuracy.

[0046] In the present utility model, a square engraving punch 205 and a plurality of punches 206 are fixedly connected to the upper die body 2. The blank holder 3 is fixedly connected to the upper die body 2. The blank holder 3 includes a blank holder plate A 301 and a blank holder plate B 302. A plurality of pilot pins 3013 are connected to the bottom of the blank holder plate A 301. The pilot pins 3013 are used to preliminarily position the material before stamping to ensure the accurate position of the material. A punching insert 3021 is fixedly connected to the bottom of the blank holder plate B 302. The position of the punching insert 3021 corresponds to the position of the punch 206. The punching insert 3021 and the punch 206 cooperate to complete the punching operation of the material.

[0047] In the present utility model, a plurality of blank holder inserts A 3014 are fixedly connected to one side of the blank holder plate A 301, and a plurality of blank holder inserts B 3022 are fixedly connected to the bottom of the blank holder plate B 302. The blank holder inserts A 3014 and the blank holder inserts B 3022 can increase the contact area of the blank holder 3 to ensure the uniform stress of the material during stamping and improve the processing quality. A plurality of guide posts 109 are fixedly connected to the lower die body 1, and a plurality of guide seats 204 are fixedly connected to the upper die body 2. The positions of the guide seats 204 correspond to the positions of the guide posts 109, and the two cooperate to ensure the accurate guidance of the die during the opening and closing process. A plurality of helical springs 104 are fixedly connected to the lower die body 1, and a plurality of rectangular helical springs 203 are fixedly connected to the upper die body 2. Under the combined action of the rectangular helical springs 203 and the helical springs 104, rapid reset after stamping can be ensured, and the production efficiency can be improved.

[0048] The utility model has a plurality of guide pillars A3012 fixedly connected to the upper ends of the pressing plates A301 and B302, the pressing plates A301 and B302 are respectively connected to the upper die body 2 through the guide pillars A3012, the bottom of the support plate A401 is fixedly connected to a plurality of guide pillars B4013, the support plate A401 is connected to the lower die body 1 through the guide pillars B4013, the bottom of the support plate B402 is fixedly connected to a plurality of guide pillars C4023, the support plate B402 is connected to the lower die body 1 through the guide pillars C4023; wherein the guide pillars A3012 ensure the linear motion of the pressing core 3 during the stamping process, prevent the deflection under high-speed stamping, ensure the accurate contact between the pressing core 3 and the material, thereby improving the stamping accuracy and product quality; the guide pillars B4013 also play a role in The guiding role is to ensure the verticality and stability of the support core 4 during the up and down movement, to avoid the displacement of the support core 4 due to the impact force when the mold is closed, and to affect the correct positioning of the material and the stamping quality; the guide pillar C4023 is the same as the guide pillar B4013. The guide pillar C4023 is also responsible for guiding and supporting to ensure the stability and accuracy of the support plate B402 during the operation of the mold. Especially when it comes to multi-step stamping or continuous stamping operations, the guiding role of the guide pillar C4023 is particularly critical. All guide pillars (A, B, C) provide necessary support to prevent deformation or damage of mold components during the stamping process. Especially when subjected to high pressure and high frequency stamping operations, the supporting role of these guide pillars is particularly important. The guide pillars also help position the various components of the mold to ensure that they can return to the predetermined position in each stamping cycle.

[0049] The utility model has lifting rods A101 fixedly connected to the left and right sides of the lower mold body 1, and lifting rods B201 fixedly connected to the left and right sides of the upper mold body 2. The setting of the lifting rods A101 and B201 is convenient for hoisting and transportation of the mold, simplifies the process of mold replacement and on-site layout, and improves the flexibility and efficiency of the production process; the utility model has a plurality of travel limit screws A107 fixedly connected to the lower mold body 1, the upper ends of the pressure plate A301 and the pressure plate B302 are fixedly connected with a plurality of travel limit screws B3011, and the bottom of the lower pressure plate 4021 is fixedly connected with a travel limit screw C4024. The setting of the travel limit screws A107, the travel limit screws B3011 and the travel limit screws C4024 in the utility model accurately controls the movement range of the mold, avoids overshoot, protects the mold from damage, and enhances the safety of operation.

[0050] Working Principle Process:

[0051] 1. Preparation stage:

[0052] Die Assembly: The upper die body 2 is installed on the upper bed surface 5, and the lower die body 1 is installed on the lower bed surface 6. A blank holder core 3 and a stock lifter core 4 are installed between the upper die body 2 and the lower die body 1 to form a basic die frame.

[0053] Material Preparation: Place the material to be processed (automobile sliding sunroof bracket) on the stock lifter core 4, and the initial positioning and support are provided by the stock plate A401, stock plate B402, and the guiding blocks A and B and the stock guiding plate 4011 thereon.

[0054] 2. Stamping Process:

[0055] Die Closing: The upper die body 2 moves downward under the action of the driving mechanism and closes with the lower die body 1. At this time, the blank holder core 3 begins to contact the material, and uniform pressure is applied through the blank holding inserts A3014 and B of the blank holding plate A301 and the blank holding plate B302 to prevent the material from moving.

[0056] Material Positioning: The pilot pin 3013 at the bottom of the blank holding plate A301 is inserted into the material positioning hole to ensure the precise positioning of the material during the subsequent stamping process.

[0057] Punching and Forming: The blank holder core 3 continues to move downward. The punching insert 3021 at the bottom of the blank holding plate B302 corresponds to the punch 206 on the upper die body 2 to punch the material; at the same time, the upper die insert 202 and the lower die insert 108 interact to perform operations such as forming and cutting on the material.

[0058] Material Advancement: After the processing of one station is completed, the material is advanced forward under the guidance of the carriage 110 to the next station, and the above stamping process is repeated until all processes are completed.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-station progressive die for machining the bracket of an automotive sliding sunroof, comprising a lower die body (1), an upper die body (2), a blank holder core (3), a stock support core (4), an upper bed surface (5) and a lower bed surface (6). The upper die body (2) is installed on the upper bed surface (5), and the lower die body (1) is installed on the lower bed surface (6). A lower die insert (108) and a slide carriage (110) are installed on the lower die body (1), and an upper die insert (202) is installed on the upper die body (2). The position of the upper die insert (202) corresponds to the position of the lower die insert (108). The blank holder core (3) and the stock support core (4) are installed between the lower die body (1) and the upper die body (2). It is characterized in that Multiple limit posts (103) and multiple polyurethane shock-absorbing blocks (105) are fixedly connected to the lower die body (1), and multiple self-lubricating bushings (106) are arranged on the lower die body (1). The stock support core (4) is fixedly connected to the lower die body (1). The stock support core (4) includes a stock support plate A (401) and a stock support plate B (402). Multiple guide blocks A are fixedly connected to the stock support plate A (401). Two stock guide plates (4011) are fixedly connected to one side of the stock support plate A (401). The stock support plate B (402) is arranged on the other side of the stock support plate A (401). There are two stock support plates B (402). A lower blank holder plate (4021) is fixedly connected between the two stock support plates B (402). Multiple guide blocks B are fixedly connected to the stock support plate B (402). A marking square punch (205) and multiple punches (206) are fixedly connected to the upper die body (2). The blank holder core (3) is fixedly connected to the upper die body (2). The blank holder core (3) includes a blank holder plate A (301) and a blank holder plate B (302). Multiple pilot pins (3013) are connected to the bottom of the blank holder plate A (301). A punching insert (3021) is fixedly connected to the bottom of the blank holder plate B (302). The position of the punching insert (3021) corresponds to the position of the punch (206).

2. The multi-station progressive die for processing the sliding sunroof bracket of an automobile according to claim 1, characterized in that: Multiple blank holder inserts A (3014) are fixedly connected to one side of the blank holder plate A (301). Multiple blank holder inserts B (3022) are fixedly connected to the bottom of the blank holder plate B (302).

3. The multi-station progressive die for processing the sliding sunroof bracket of an automobile according to claim 1, wherein: Multiple guide columns (109) are fixedly connected to the lower die body (1), and multiple guide seats (204) are fixedly connected to the upper die body (2). The position of the guide seat (204) corresponds to the position of the guide column (109).

4. The multi-station progressive die for processing the sliding sunroof bracket of an automobile according to claim 1, characterized in that: Multiple helical springs (104) are fixedly connected to the lower die body (1), and multiple rectangular helical springs (203) are fixedly connected to the upper die body (2).

5. The multi-station progressive die for processing the sliding sunroof bracket of an automobile according to claim 1, wherein: Both the upper ends of the blank holder A (301) and the blank holder B (302) are fixedly connected with a plurality of guide posts A (3012). The blank holder A (301) and the blank holder B (302) are respectively connected to the upper die body (2) through the guide posts A (3012). The bottom of the blank supporting plate A (401) is fixedly connected with a plurality of guide posts B (4013), and the blank supporting plate A (401) is connected to the lower die body (1) through the guide posts B (4013). The bottom of the blank supporting plate B (402) is fixedly connected with a plurality of guide posts C (4023), and the blank supporting plate B (402) is connected to the lower die body (1) through the guide posts C (4023).

6. The multi-station progressive die for processing the sliding sunroof bracket of an automobile according to claim 1, wherein: Lifting rods A (101) are respectively fixedly connected to the left and right sides of the lower die body (1), and lifting rods B (201) are respectively fixedly connected to the left and right sides of the upper die body (2).

7. A multi-station progressive die for machining an automotive sliding sunroof bracket according to claim 1, characterized in that: A plurality of stroke limit screws A (107) are fixedly connected to the lower die body (1). A plurality of stroke limit screws B (3011) are fixedly connected to the upper ends of the blank holder A (301) and the blank holder B (302). A stroke limit screw C (4024) is fixedly connected to the bottom of the lower blank holder (4021).

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