Progressive die of automobile plastic part support
By designing a continuous mold for automotive plastic parts brackets, multiple stamping processes and side punching are completed continuously, solving the problems of unstable flanging height and inability to side punch, improving production efficiency and product quality, and extending mold life.
Patent Information
- Application Number
- CN202423043432.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The existing continuous stamping dies have unstable flange heights during the forming process, which causes product dimensions to exceed tolerances, increasing the proportion of defective products. At the same time, punching operations cannot be performed on the side of the bracket, increasing production costs and restricting production efficiency.
Design a progressive die for automotive plastic part brackets, including a lower die assembly and an upper die assembly, with multiple punches and dies for forming, trimming, and punching, to achieve continuous completion of multiple stamping processes, and side punching through a slanted punching assembly, and ensure die stability by combining guide rods, guide sleeves, nitrogen springs and other structures.
It improves production efficiency, ensures product quality and precision, enhances product functionality and aesthetics, extends mold life, and reduces manual intervention and defect rate.
Smart Images

Figure CN223657184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts processing, especially to a continuous die of automobile plastic part support. BACKGROUND
[0002] In the stamping production process of automobile support type parts, the traditional single-station die often leads to difficult improvement of production efficiency due to its structural limitations. In contrast, the continuous die realizes efficient operation of the cold stamping die by using a strip-shaped stamping raw material and continuously completing multiple stamping processes at different stations of the same die in one complete stamping stroke of the press. In this process, the material strip automatically moves once for every stamping completed by the die until the entire product processing flow is successfully completed.
[0003] However, the continuous stamping die on the current market generally faces the problem of unstable flanging height in the profiling process, which easily leads to product size exceeding the tolerance range, thereby increasing the proportion of defective products. In addition, the existing stamping die also has a significant shortcoming in design, i.e., it cannot perform punching operations on the side of the support, which forces the producer to use multiple dies when processing the support, thereby not only increasing production costs but also severely restricting the improvement of production efficiency.
[0004] Therefore, in view of the above problems, there is an urgent need for an innovative continuous die design to meet the efficient and precise processing needs of automobile plastic part supports. SUMMARY
[0005] The utility model aims at providing a continuous die of automobile plastic part support to solve the problems raised in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a continuous die of automobile plastic part support, comprising a lower die assembly and an upper die assembly arranged above it, wherein the lower die assembly is movably connected with the upper die assembly; the lower die assembly comprises a bottom plate, wherein a lower die seat is arranged above the bottom plate; a workpiece positioning table is arranged above the lower die seat, wherein the workpiece positioning table is arranged at the feeding end close to the lower die seat; a forming punch, a trimming punch, a blanking punch, a lower flanging forming punch, a vertical punching punch, and a side punching punch are arranged in sequence and side by side on the side of the lower die seat away from the workpiece positioning table; a first plastic punching hole and a second plastic punching hole are formed in the workpiece positioning table, wherein a positioning punching hole is also formed in the workpiece positioning table; a first trimming punching hole is formed in the side of the workpiece positioning table close to the first plastic punching hole, and a second trimming punching hole is formed in the side of the workpiece positioning table close to the second plastic punching hole; a cutting and blanking table is arranged at the discharging end of the lower die seat, wherein a cutting punching hole is formed in the upper end of the cutting and blanking table;
[0007] The upper die assembly comprises a top plate, wherein an upper die seat is arranged below the top plate; a stripper plate is arranged below the upper die seat, wherein the stripper plate is movably connected with the upper die seat; an upper backing plate is arranged below the stripper plate, wherein the position of the upper backing plate corresponds to that of the workpiece positioning table; a trimming concave die, a blanking concave die, a downward flanging shaping concave die and a vertical punching concave die are sequentially arranged on one side of the upper backing plate, wherein the trimming concave die, the blanking concave die, the downward flanging shaping concave die and the vertical punching concave die correspond to a trimming convex die, a blanking convex die, a downward flanging shaping convex die and a vertical punching convex die respectively; a first plastic punch, a second plastic punch, a first trimming punch, a second trimming punch and a positioning punch are fixedly installed on the side of the upper die seat close to the upper backing plate, wherein the first plastic punch, the second plastic punch, the first trimming punch, the second trimming punch and the positioning punch respectively extend downward through the stripper plate and the upper backing plate.
[0008] Preferably, a plurality of first blanking holes are arranged on the upper end of the vertical punching convex die, wherein a plurality of cylindrical punches are arranged on the lower end of the vertical punching concave die, and the cylindrical punches correspond to the first blanking holes.
[0009] Preferably, a trimming punching hole is arranged between the trimming convex die and the blanking convex die, wherein the trimming punching hole extends downward through the lower die seat, and a limiting block is arranged outside the trimming punching hole.
[0010] Preferably, a forming concave die is arranged on the lower end of the upper die seat, wherein the position of the forming concave die corresponds to that of a forming convex die; the forming concave die extends downward through the stripper plate, wherein a first avoiding hole is arranged on the stripper plate and matches the forming concave die.
[0011] Preferably, a trimming punch is arranged on the lower end of the upper die seat, wherein the position of the trimming punch corresponds to that of the trimming punching hole; the trimming punch extends downward through the stripper plate, wherein a second avoiding hole is arranged on the stripper plate and matches the trimming punch.
[0012] Preferably, an inclined punching assembly is arranged on the lower end of the upper die seat, wherein the inclined punching assembly corresponds to the position of the side edge punching convex die and is arranged outside the side edge punching convex die; the inclined punching assembly extends downward through the stripper plate, wherein a third avoiding hole is arranged on the stripper plate and matches the inclined punching assembly.
[0013] Preferably, the inclined punching assembly comprises a base, wherein the upper end of the base is fixedly connected with the upper die seat; a sliding block is slidably connected with the lower end of the base, wherein a side edge punch is arranged on the front end of the sliding block close to one side of the side edge punching convex die; limiting guide rails are arranged side by side outside the side edge punching convex die, wherein the limiting guide rails are arranged directly below the sliding block; the limiting guide rails are arranged obliquely, wherein an inclined surface is arranged below the sliding block and matches the limiting guide rails, and a V-shaped limiting sliding groove is arranged in the middle of the inclined surface.
[0014] Preferably, the side wall of the side edge piercing punch is provided with a second blanking hole, wherein the side edge punch corresponds to the position of the second blanking hole.
[0015] Preferably, the lower end of the upper die holder is provided with a cutting punch, wherein the cutting punch corresponds to the position of the cutting blanking table; the cutting punch penetrates downward through the stripper plate, wherein the stripper plate is provided with a fourth avoiding hole matched with the cutting punch.
[0016] Preferably, the cutting blanking table is symmetrically provided with two groups of finished product blanking slides on both sides, wherein the finished product blanking slides are arranged obliquely; the upper end of the finished product blanking slide is fixedly connected with the discharging end of the lower die holder, wherein the lower end of the finished product blanking slide extends downward out of the lower die holder.
[0017] Preferably, the upper die holder is provided with a guide rod at each corner, wherein the lower die holder is provided with a guide sleeve matched with the guide rod; the guide rod penetrates downward through the stripper plate and is arranged in the guide sleeve, wherein the stripper plate is provided with a linear bearing matched with the guide rod.
[0018] Preferably, the upper die holder is provided with a plurality of "L"-shaped limiting blocks on the two long sides, wherein the upper end of the "L"-shaped limiting block is fixedly connected with the upper die holder; the lower end of the "L"-shaped limiting block extends below the stripper plate, wherein the stripper plate is provided with a limiting clamping groove at the position corresponding to the "L"-shaped limiting block.
[0019] Preferably, a plurality of nitrogen gas springs are arranged between the upper die holder and the stripper plate, wherein the top end of the plunger of the nitrogen gas spring abuts against the stripper plate.
[0020] Preferably, the upper end of the two long sides of the lower die holder is symmetrically provided with a plurality of buffer columns, wherein the lower end of the buffer column is fixedly connected with the lower die holder, and the upper end of the buffer column abuts against the stripper plate.
[0021] Compared with the prior art, the utility model discloses a continuous mould of automobile plastic part support that is reasonable in design, stable in structure, high in production efficiency and good in product quality, satisfies the high requirement of modern automobile manufacturing industry to plastic part support, realizes the continuous mould production of automobile plastic part support through setting up forming punch, trimming punch, empty step punch, lower flanging punch, vertical punching punch and side edge punching punch in lower mould assembly in proper order, improves production efficiency, ensures the accurate forming and trimming of plastic part support through the cooperation of forming female die and forming punch, trimming female die and trimming punch, improves product quality, realizes the punching demand of different directions and positions through the design of vertical punching punch and vertical punching female die, side edge punching punch and inclined punching assembly, strengthens the functionality and the aesthetic property of product, and the cooperation of cut -off blanking table and cut -off punch and the setting of finished product blanking sliding groove make product can smoothly fall off from mould, is convenient for subsequent collection and processing, and the stability of mould in continuous production process is ensured through the design of guide rod and guide sleeve, nitrogen gas spring and buffer column structure, prolongs the service life of mould. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the structure schematic diagram of the utility model;
[0023] Figure 2 It is the structure schematic diagram of lower mould assembly of the utility model;
[0024] Figure 3 It is the structure schematic diagram of the lower mould base of the utility model;
[0025] Figure 4 It is the structure schematic diagram of lower mould assembly of the utility model;
[0026] Figure 5 It is the structure explosion schematic diagram of lower mould assembly of the utility model;
[0027] Figure 6 It is the structure schematic diagram of the lower mould base of the utility model;
[0028] Figure 7 It is the structure schematic diagram of the utility model's unloading plate;
[0029] Figure 8 It is the structure schematic diagram of the inclined punching assembly of the utility model.
[0030] 1, lower die assembly; 101, bottom plate; 102, lower die seat; 103, workpiece positioning table; 104, forming punch; 105, trimming punch; 106, empty step punch; 107, lower flanging shaping punch; 108, vertical punching punch; 109, side edge punching punch; 2, upper die assembly; 201, top plate; 202, upper die seat; 203, stripper plate; 204, upper backing plate; 205, trimming die; 206, empty step die; 207, lower flanging shaping die; 208, vertical punching die; 209, forming die; 3, first plastic punching; 4, second plastic punching; 5, positioning punching; 6, first edge cutting punching; 7, second edge cutting punching; 8, cutting blanking table; 9, cutting punching; 10, first plastic punch; 11, second plastic punch; 12, first edge cutting punch; 13, second edge cutting punch; 14, positioning punch; 15, trimming punching; 16, limiting stop block; 17, first blanking hole; 18, cylindrical punch; 19, first avoiding hole; 20, trimming punch; 21, second avoiding hole; 22, inclined punching assembly; 2201, base; 2202, sliding block; 2203, side punch; 23, third avoiding hole; 24, limiting guide rail; 25, "V"-shaped limiting sliding groove; 26, second blanking hole; 27, cutting punch; 28, fourth avoiding hole; 29, finished product blanking sliding groove; 30, guide rod; 31, guide sleeve; 32, linear bearing; 33, "L"-shaped limiting stop block; 34, limiting clamping groove; 35, nitrogen spring; 36, buffer column. DETAILED DESCRIPTION
[0031] The utility model will be made further detailed explanation in combination with the drawings.
[0032] Please combine with Figures 1 to 8 In order to realize the above object, the utility model provides the following technical scheme:
[0033] A continuous die of an automobile plastic part support, comprising a lower die assembly 1 and an upper die assembly 2 arranged above it, wherein the lower die assembly 1 is movably connected with the upper die assembly 2; the lower die assembly 1 comprises a bottom plate 101, wherein a lower die seat 102 is arranged above the bottom plate 101; a workpiece positioning table 103 is arranged above the lower die seat 102, wherein the workpiece positioning table 103 is arranged at the feeding end close to the lower die seat 102; a forming punch 104, a trimming punch 105, an empty step punch 106, a lower flanging shaping punch 107, a vertical punching punch 108 and a side edge punching punch 109 are arranged in sequence and side by side on the side of the lower die seat 102 away from the workpiece positioning table 103; a first plastic shaping punching hole 3 and a second plastic shaping punching hole 4 are arranged on the workpiece positioning table 103, wherein a positioning punching hole 5 is also arranged on the workpiece positioning table 103; a first trimming punching hole 6 is arranged on the side of the workpiece positioning table 103 close to the first plastic shaping punching hole 3, wherein a second trimming punching hole 7 is arranged on the side of the workpiece positioning table 103 close to the second plastic shaping punching hole 4; a cutting and discharging table 8 is arranged at the discharging end of the lower die seat 102, wherein a cutting punching hole 9 is arranged at the upper end of the cutting and discharging table 8; the upper die assembly 2 comprises a top plate 201, wherein an upper die seat 202 is arranged below the top plate 201; a discharging plate 203 is arranged below the upper die seat 202, wherein the discharging plate 203 is movably connected with the upper die seat 202; an upper backing plate 204 is arranged below the discharging plate 203, wherein the upper backing plate 204 corresponds to the position of the workpiece positioning table 103; a trimming recess 205, an empty step recess 206, a lower flanging shaping recess 207 and a vertical punching recess 208 are arranged in sequence on one side of the upper backing plate 204, wherein the trimming recess 205, the empty step recess 206, the lower flanging shaping recess 207 and the vertical punching recess 208 correspond to the trimming punch 105, the empty step punch 106, the lower flanging shaping punch 107 and the vertical punching punch 108 respectively; a first plastic shaping punch 10, a second plastic shaping punch 11, a first trimming punch 12, a second trimming punch 13 and a positioning punch 14 are fixedly installed on the side of the lower end of the upper die seat 202 close to the upper backing plate 204, wherein the first plastic shaping punch 10, the second plastic shaping punch 11, the first trimming punch 12, the second trimming punch 13 and the positioning punch 14 respectively extend downwardly through the discharging plate 203 and the upper backing plate 204.
[0034] The plastic part material is first positioned on the workpiece positioning table 103, which is arranged on the lower die seat 102, close to the feeding end, to ensure the accurate position of the plastic part in the mold; the upper die assembly 2 is lowered, and the first plastic punch 10 and the second plastic punch 11 in it pass through the stripper plate 203 and the upper pad plate 204 to preliminarily stamp the plastic part to form a specific shape or structure; at the same time, the positioning punch 14 also inserts into the positioning punch hole 5 to further stabilize the position of the plastic part; the first trimming punch 12 and the second trimming punch 13 pass through the stripper plate 203 and the upper pad plate 204, respectively, to cut the specific edge of the plastic part to remove more excess material; then, the forming punch 104 cooperates with the corresponding forming recess 209 to perform forming stamping on the plastic part; subsequently, the trimming punch 105 cooperates with the corresponding trimming recess 205 to trim the edge of the plastic part to remove excess material; then, the blanking punch 106 cooperates with the blanking recess 206, which may not directly process the plastic part, but prepares for subsequent processing steps, such as adjusting the position or state of the plastic part; then, it enters the flanging station, and the lower flanging shaping punch 107 cooperates with the lower flanging shaping recess 207 to shape the specific part of the plastic part, such as flanging operation, to achieve the required shape and size; then, it enters the vertical punching station, and the vertical punching punch 108 cooperates with the vertical punching recess 208 to form a vertical hole on the plastic part; then, it enters the side punching station, and the inclined punching assembly 22 cooperates with the side punching punch 109 to perform punching operation on the side of the plastic part; when the plastic part has gone through all the necessary processing steps, it moves to the cutting and blanking table 8; at this time, the cutting punch 9 cooperates with the cutting punch 9 on the cutting and blanking table 8 to cut and drop the processed plastic part from the mold; the working process of the whole continuous die is a continuous and automatic process, and each step is closely matched to ensure that the plastic part support can be accurately and efficiently produced according to the design requirements, which greatly improves the production efficiency, reduces manual intervention, and ensures the consistency and quality of the product.
[0035] Please refer to Figure 3 As an embodiment of the utility model, the trimming punch 105 and the blanking punch 106 are provided with trimming punch holes 15, wherein the trimming punch holes 15 penetrate downwardly through the lower die seat 102, and the outer side of the trimming punch holes 15 is provided with limiting blocks 16.
[0036] The trimming punch 20 is a part of the trimming die set, and its shape and position correspond to the trimming punch 20, which is used to cooperate with the trimming punch 20 during the stamping process to cut or trim the excess part of the product edge; the blanking punch 15 is a hole opened on the lower die seat 102, which matches the shape and position of the trimming punch 20, allowing the trimming punch 20 to pass through the lower die seat 102 during the stamping process, and cooperating with the trimming punch 105 to complete the trimming action; the limiting block 16 is arranged outside the trimming punch hole 15, which is used to limit the movement range of the trimming punch 20 during the stamping process, ensuring that the trimming punch 20 can only move to the predetermined position, thereby preventing the mold from being damaged or the product from being unqualified due to excessive movement; through the cooperation of the trimming punch 105, the blanking punch 15 and the limiting block 16, the stamping die can accurately complete the forming and trimming process of the product, ensuring the quality and precision of the product.
[0037] Please refer to Figure 3 、 Figure 7 As an embodiment of the utility model, a plurality of first blanking holes 17 are arranged at the upper end of the vertical punching punch 108, and a plurality of cylindrical punches 18 are arranged at the lower end of the vertical punching concave die 208, and the cylindrical punches 18 correspond to the first blanking holes 17.
[0038] In the above-mentioned scheme, the vertical punching punch 108 is a part of the upper die seat 202, and its shape is designed to cooperate with the vertical punching concave die 208 during the stamping process to complete the punching action, wherein a plurality of first blanking holes 17 are arranged at the upper end of the vertical punching punch 108; the number of the first blanking holes 17 matches the number of the holes to be punched, wherein the first blanking holes 17 serve as the penetration channel of the material during punching, ensuring that the material can be correctly punched and dropped; the vertical punching concave die 208 is arranged on the lower die seat 102 and corresponds to the vertical punching punch 108, wherein a plurality of cylindrical punches 18 are arranged at the lower end of the vertical punching concave die 208, which are used to cooperate with the vertical punching punch 108 during the stamping process to complete the punching operation; the number of the cylindrical punches 18 corresponds to the first blanking holes 17, and during the stamping process, the cylindrical punches 18 will penetrate the material and cooperate with the first blanking holes 17 to punch out the required holes; through accurate design and manufacturing, and reasonable selection of stamping process parameters, the quality and efficiency of the punching can be ensured.
[0039] Please refer to Figures 5 to 7, as an embodiment of the utility model, the lower end of upper die holder 202 is equipped with forming female die 209, wherein the position of forming female die 209 corresponds to that of forming male die 104;Forming female die 209 penetrates downward through stripping plate 203, wherein the first avoiding hole 19 that is adapted to forming female die 209 is formed on stripping plate 203;The lower end of upper die holder 202 is equipped with trimming punch 20, wherein trimming punch 20 corresponds to the position of trimming punch hole 15;Trimming punch 20 penetrates downward through stripping plate 203, wherein the second avoiding hole 21 that is adapted to trimming punch 20 is formed on stripping plate 203.
[0040] In the above scheme, forming female die 209 is arranged at the lower end of upper die holder 202, which is used to form the shape of the required product, wherein the position of forming female die 209 corresponds to that of forming male die 104, and the two cooperate to complete the stamping forming of the product;Stripping plate 203 is located between forming female die 209 and lower die holder 102, which is used to separate the material during stamping;Trimming punch 20 is arranged at the lower end of upper die holder 202, which is used to cut off or trim the excess part of the edge of the product after stamping forming.
[0041] Please refer to Figures 5 to 8 , as an embodiment of the utility model, the lower end of upper die holder 202 is equipped with inclined punching assembly 22, wherein the position of inclined punching assembly 22 corresponds to that of side punching male die 109, and inclined punching assembly 22 is arranged outside side punching male die 109;Inclined punching assembly 22 penetrates downward through stripping plate 203, wherein the third avoiding hole 23 that is adapted to inclined punching assembly 22 is formed on stripping plate 203;Inclined punching assembly 22 includes base 2201, wherein the upper end of base 2201 is fixedly connected with upper die holder 202;The lower end of base 2201 is slidably connected with sliding block 2202, wherein side punch 2203 is arranged on the side of sliding block 2202 close to side punching male die 109.
[0042] In the above scheme, inclined punching assembly 22 is arranged at the lower end of upper die holder 202, which is used to perform inclined punching operation, wherein the position of inclined punching assembly 22 corresponds to that of side punching male die 109, but is located outside it, so as to form an inclined hole on the material. Side punching male die 109 is located in the die, which is usually used to perform vertical or specific angle punching operation, in this case, side punching male die 109 serves as the reference point of inclined punching assembly 22;Stripping plate 203 is located between the upper die and the lower die, which is used to separate the material and waste during stamping, and the third avoiding hole 23 that is adapted to inclined punching assembly 22 is formed on stripping plate 203, so as to ensure that inclined punching assembly 22 can smoothly penetrate and perform punching operation.
[0043] The base 2201 is fixed part of the inclined punching assembly 22, the upper end of the base 2201 is fixedly connected with the upper die holder 202, and the base 2201 provides stable support for the inclined punching assembly 22; the slider 2202 is slidably connected with the lower end of the base 2201, and the slider 2202 can move in a specific direction on the base 2201; the side punch 2203 is arranged on the front end of the slider 2202 and close to one side of the side edge punching punch 109, and is used for performing inclined punching; when the stamping mechanism of the mold starts to work, the upper die holder 202 moves downward, and the base 2201 and the slider 2202 of the inclined punching assembly 22 move downward together; with the sliding of the slider 2202 on the base 2201, the side punch 2203 gradually approaches and penetrates the material, and since the slider 2202 slides in an inclined direction, the hole formed on the material by the side punch 2203 is also inclined; after stamping is completed, the upper die holder 202 rises, the slider 2202 of the inclined punching assembly 22 returns to the initial position, and at this time, the product with the inclined hole can be taken out.
[0044] Please refer to Figure 3 、 Figure 6 , as an embodiment of the utility model, the side edge punching punch 109 is provided with a limiting guide rail 24 outside in parallel, wherein the limiting guide rail 24 is arranged directly below the slider 2202; the limiting guide rail 24 is arranged in an inclined manner, wherein the lower portion of the slider 2202 is provided with an inclined surface matched with the limiting guide rail 24, and a V-shaped limiting sliding groove 25 is formed in the middle of the inclined surface; the sidewall of the side edge punching punch 109 is provided with a second blanking hole 26, and the position of the side punch 2203 corresponds to the position of the second blanking hole 26.
[0045] In the above scheme, the limiting guide rail 24 is arranged outside the side punching punch 109 in a side-by-side manner and is located directly below the sliding block 2202, wherein the limiting guide rail 24 is arranged obliquely and matches the inclined surface of the sliding block 2202, and is used to guide the movement track of the sliding block 2202 during stamping; a V-shaped limiting sliding groove 25 is formed in the middle of the inclined surface, which is used to closely cooperate with the limiting guide rail 24 to ensure the stability and accuracy of the sliding block 2202 during movement; through the cooperation of the V-shaped limiting sliding groove 25 and the limiting guide rail 24, the movement range of the sliding block 2202 can be further limited to prevent it from deviating from the predetermined track; the side punching punch 109 is located in the mold and is used to perform a vertical or specific angle punching operation, and a second blanking hole 26 is formed in the side wall of the side punching punch 109, which is used to penetrate and fall down during the punching process; the side punch 2203 is arranged at the front end of the sliding block 2202 and corresponds to the position of the second blanking hole 26 of the side punching punch 109, and during the stamping process, the side punch 2203 penetrates the material and cooperates with the second blanking hole 26 to punch out the required hole; through the introduction of the limiting guide rail 24 and the V-shaped limiting sliding groove 25 and the like, the inclined punching assembly 22 in the mold is better controlled in stability and accuracy during the stamping process, and these structures cooperate with each other to realize the inclined punching operation on the material.
[0046] Please refer to Figures 5 to 7 , as an embodiment of the utility model, the upper die holder 202 is provided with a cutting punch 27 at the lower end, wherein the cutting punch 27 corresponds to the position of the cutting blanking table 8; the cutting punch 27 penetrates the stripping plate 203 downward, wherein the fourth avoiding hole 28 is formed in the stripping plate 203 and matches the cutting punch 27.
[0047] In the above scheme, the cutting punch 27 is used to cut the material during the stamping process, and the position of the cutting punch 27 corresponds to the cutting blanking table 8, so that the material can be accurately cut during stamping; the cutting blanking table 8 is located in part of the lower die holder 102 of the mold and is used to support the material to be cut and receive the waste after cutting; it corresponds to the position of the cutting punch 27, so that the cutting punch 27 can accurately penetrate the material and cut it; the fourth avoiding hole 28 is formed in the stripping plate 203 and matches the cutting punch 27, so that the cutting punch 27 can smoothly penetrate and perform the cutting operation.
[0048] Please refer to Figure 3 , as an embodiment of the utility model, two groups of finished product blanking sliding grooves 29 are symmetrically arranged on both sides of the cutting blanking table 8, wherein the finished product blanking sliding grooves 29 are arranged obliquely; the upper end of the finished product blanking sliding groove 29 is fixedly connected with the discharging end of the lower die holder 102, wherein the lower end of the finished product blanking sliding groove 29 extends out of the lower die holder 102 downward.
[0049] The cutting and blanking table 8 is located in a part of the lower die seat 102 of the mold, is used for supporting the material to be cut, and receives the waste material and the finished product after cutting, and the finished product after cutting falls on the cutting and blanking table 8 and then slides out through the finished product blanking chute 29; the finished product blanking chute 29 is arranged on both sides of the cutting and blanking table 8 and is symmetrically distributed. The finished product blanking chute is arranged in an inclined mode, the upper end of the finished product blanking chute is fixedly connected with the discharging end of the lower die seat 102, and the lower end extends out of the lower die seat 102, so that a continuous chute is formed, and the chute is designed to guide the finished product after cutting to smoothly slide out of the mold, and facilitate collection and subsequent processing.
[0050] Please refer to Figures 1 to 5 As an embodiment of the utility model, guide rods 30 are arranged at four corners of the upper die seat 202, and guide sleeves 31 matched with the guide rods 30 are arranged at the four corners of the lower die seat 102; the guide rods 30 penetrate through the stripping plate 203 downward and are arranged in the guide sleeves 31, and linear bearings 32 matched with the guide rods 30 are arranged on the stripping plate 203.
[0051] In the above scheme, the guide rod 30 is arranged in the form of an elongated rod at the four corners of the upper die seat 202, and the guide rod 30 is used to guide the movement track of the upper die seat 202 in the stamping process, so as to ensure the die closing accuracy and stability. The guide rod 30 penetrates through the stripping plate 203 downward and is inserted into the guide sleeve 31 of the lower die seat 102; the guide sleeve 31 matched with the guide rod 30 is arranged at the four corners of the lower die seat 102, and is used to receive and guide the movement of the guide rod 30; the guide sleeve 31 is arranged in the form of a sleeve at the four corners of the lower die seat 102, and the inner hole shape and size of the guide sleeve 31 are matched with the guide rod 30, so as to receive and guide the movement of the guide rod 30; the guide sleeve 31 can ensure that the guide rod 30 does not deviate from the predetermined track in the stamping process, so as to improve the die closing accuracy and stability; the linear bearing 32 matched with the guide rod 30 is arranged on the stripping plate 203, and is used to reduce the friction resistance of the guide rod 30 when penetrating through the stripping plate 203, so as to improve the smoothness of the movement of the mold; the linear bearing 32 is arranged in the form of a bearing structure on the stripping plate 203, and the inner hole shape and size of the linear bearing 32 are matched with the guide rod 30. The linear bearing 32 is used to reduce the friction resistance of the guide rod 30 when penetrating through the stripping plate 203, so as to reduce the energy consumption and wear in the movement process of the mold, and improve the movement accuracy and stability of the mold.
[0052] Please refer to Figures 5 to 7 As an embodiment of the utility model, a plurality of L-shaped limiting blocks 33 are arranged at the two long sides of the upper die seat 202, and the upper end of the L-shaped limiting block 33 is fixedly connected with the upper die seat 202; the lower end of the L-shaped limiting block 33 extends below the stripping plate 203, and a limiting clamping groove 34 is arranged at the position corresponding to the L-shaped limiting block 33 of the stripping plate 203.
[0053] In the above scheme, the two long sides of the upper die seat 202 are respectively provided with a plurality of "L" shaped limiting blocks 33, which are used to limit the movement range of the upper die seat 202 during stamping; wherein the upper end of the "L" shaped limiting block 33 is fixedly connected with the upper die seat 202, and the lower end extends below the stripping plate 203; during stamping, the "L" shaped limiting block 33 limits the downward movement range of the upper die seat 202; the stripping plate 203 is provided with a limiting clamping groove 34 corresponding to the position of the "L" shaped limiting block 33; during stamping, the limiting clamping groove 34 is used to receive and clamp the lower end of the "L" shaped limiting block 33, thereby limiting the relative position between the upper die seat 202 and the stripping plate 203, and preventing the upper die seat 202 from moving downward excessively.
[0054] Please refer to Figure 5 , Figure 6 , as an embodiment of the utility model, a plurality of nitrogen gas springs 35 are arranged between the upper die seat 202 and the stripping plate 203, wherein the plunger top end of the nitrogen gas spring 35 abuts against the stripping plate 203.
[0055] In the above scheme, the nitrogen gas spring 35 is a spring device that generates elastic force by compressing nitrogen gas; in the mold, the nitrogen gas spring 35 is arranged between the upper die seat 202 and the stripping plate 203, and is used to provide stable elastic force support; wherein the plunger top end of the nitrogen gas spring 35 directly abuts against the stripping plate 203, and when the stamping mechanism moves, the nitrogen gas spring 35 will stretch and contract, providing the necessary elastic force for the stripping plate 203; the nitrogen gas spring 35 plays an important role in providing elastic force support, shock absorption and maintaining the stability of the mold in the mold; these functions work together to ensure the stability and production efficiency of the mold during stamping.
[0056] Please refer to Figure 2 , as an embodiment of the utility model, a plurality of buffer columns 36 are symmetrically arranged on the upper end of the two long sides of the lower die seat 102, wherein the lower end of the buffer column 36 is fixedly connected with the lower die seat 102, and the upper end of the buffer column 36 abuts against the stripping plate 203.
[0057] In the above scheme, a plurality of buffer columns 36 are symmetrically arranged on the upper end of the two long sides of the lower die seat 102, which are used to provide support and buffer for the stripping plate 203; wherein the buffer column 36 is a support structure with elasticity, which is usually made of spring, rubber or other elastic materials; in the mold, the lower end of the buffer column 36 is fixedly connected with the lower die seat 102, and the upper end abuts against the stripping plate 203; when the stripping plate 203 is subjected to the pressure of the stamping mechanism, the buffer column 36 will absorb part of the impact force, playing a role in buffering and shock absorption.
[0058] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only illustrative, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, but these changes and modifications all fall within the protection scope of the present application.
Claims
1. A continuous mold for a support of a plastic part of a motor vehicle, comprising a lower mold assembly (1) and an upper mold assembly (2) arranged above it, wherein the lower mold assembly (1) is movably connected to the upper mold assembly (2); characterized in that, The lower die assembly (1) comprises a bottom plate (101), wherein a lower die seat (102) is arranged above the bottom plate (101); a workpiece positioning table (103) is arranged above the lower die seat (102), wherein the workpiece positioning table (103) is arranged at a feeding end close to the lower die seat (102); a forming punch (104), a trimming punch (105), an empty-step punch (106), a lower-flanging shaping punch (107), a vertical punching punch (108) and a side-edge punching punch (109) are sequentially and side-by-side arranged on a side of the lower die seat (102) away from the workpiece positioning table (103); a first plastic punching (3) and a second plastic punching (4) are arranged on the workpiece positioning table (103), wherein a positioning punching (5) is further arranged on the workpiece positioning table (103); a first trimming punching (6) is arranged on a side of the workpiece positioning table (103) close to the first plastic punching (3), wherein a second trimming punching (7) is arranged on a side of the workpiece positioning table (103) close to the second plastic punching (4); a cutting and discharging table (8) is arranged at a discharging end of the lower die seat (102), wherein a cutting punching (9) is arranged at an upper end of the cutting and discharging table (8); The upper die assembly (2) comprises a top plate (201), wherein an upper die seat (202) is arranged below the top plate (201); a discharging plate (203) is arranged below the upper die seat (202), wherein the discharging plate (203) is movably connected with the upper die seat (202); an upper backing plate (204) is arranged below the discharging plate (203), wherein the upper backing plate (204) corresponds to a position of the workpiece positioning table (103); a trimming recess (205), an empty-step recess (206), a lower-flanging shaping recess (207) and a vertical punching recess (208) are sequentially arranged on a side of the upper backing plate (204), wherein the trimming recess (205), the empty-step recess (206), the lower-flanging shaping recess (207) and the vertical punching recess (208) correspond to the trimming punch (105), the empty-step punch (106), the lower-flanging shaping punch (107) and the vertical punching punch (108) respectively; a first plastic punch (10), a second plastic punch (11), a first trimming punch (12), a second trimming punch (13) and a positioning punch (14) are fixedly installed on a side of a lower end of the upper die seat (202) close to the upper backing plate (204), wherein the first plastic punch (10), the second plastic punch (11), the first trimming punch (12), the second trimming punch (13) and the positioning punch (14) extend downwardly through the discharging plate (203) and the upper backing plate (204) respectively.
2. A transfer mould for a support of plastic parts of a motor vehicle according to claim 1, characterized in that, A plurality of first discharging holes (17) are arranged at an upper end of the vertical punching punch (108), wherein a plurality of cylindrical punches (18) are arranged at a lower end of the vertical punching recess (208), and the cylindrical punches (18) correspond to the first discharging holes (17).
3. The transfer mold for a support of a plastic part of an automobile according to claim 1, wherein The trimming punch (105) and the blanking punch (106) are provided with a trimming punch hole (15) therebetween, wherein the trimming punch hole (15) penetrates downwardly through the lower die seat (102), and a limiting block (16) is arranged outside the trimming punch hole (15).
4. The transfer mold for a support of a plastic part of an automobile according to claim 1, wherein The upper die seat (202) is provided with a forming female die (209) at the lower end, wherein the forming female die (209) corresponds to the position of the forming male die (104); the forming female die (209) penetrates downwardly through the stripping plate (203), wherein the stripping plate (203) is provided with a first avoiding hole (19) corresponding to the forming female die (209).
5. The transfer mold for a support of a plastic part of an automobile according to claim 1, wherein The upper die seat (202) is provided with a trimming punch (20) at the lower end, wherein the trimming punch (20) corresponds to the position of the trimming punch hole (15); the trimming punch (20) penetrates downwardly through the stripping plate (203), wherein the stripping plate (203) is provided with a second avoiding hole (21) corresponding to the trimming punch (20).
6. The transfer mold for a support of plastic parts of an automobile according to claim 1, wherein The upper die seat (202) is provided with an inclined punch assembly (22) at the lower end, wherein the inclined punch assembly (22) corresponds to the position of the side edge punch male die (109) and is arranged outside the side edge punch male die (109); the inclined punch assembly (22) penetrates downwardly through the stripping plate (203), wherein the stripping plate (203) is provided with a third avoiding hole (23) corresponding to the inclined punch assembly (22).
7. A transfer mould for a support of plastic parts for automobiles according to claim 6, characterized in that, The inclined punch assembly (22) comprises a base (2201), wherein the upper end of the base (2201) is fixedly connected with the upper die seat (202); the lower end of the base (2201) is slidably connected with a sliding block (2202), wherein the front end of the sliding block (2202) is provided with a side edge punch (2203) close to one side of the side edge punch male die (109); a limiting guide rail (24) is arranged outside the side edge punch male die (109) in parallel, wherein the limiting guide rail (24) is arranged directly below the sliding block (2202); the limiting guide rail (24) is arranged obliquely, wherein an oblique surface corresponding to the limiting guide rail (24) is arranged below the sliding block (2202), and a "V"-shaped limiting sliding groove (25) is arranged in the middle of the oblique surface; a second material falling hole (26) is arranged in the side wall of the side edge punch male die (109), wherein the side edge punch (2203) corresponds to the position of the second material falling hole (26).
8. The transfer mold for a support of plastic parts of an automobile according to claim 1, wherein The upper die seat (202) is provided with a cutting punch (27) at the lower end, wherein the cutting punch (27) corresponds to the position of the cutting material falling table (8); the cutting punch (27) penetrates downwardly through the stripping plate (203), wherein the stripping plate (203) is provided with a fourth avoiding hole (28) corresponding to the cutting punch (27).
9. A transfer mould for a support of plastic parts for automobiles according to claim 8, characterized in that, Two groups of finished product material falling sliding grooves (29) are symmetrically arranged at the two sides of the cutting material falling table (8), wherein the finished product material falling sliding grooves (29) are arranged obliquely; the upper end of the finished product material falling sliding grooves (29) is fixedly connected with the discharging end of the lower die seat (102), wherein the lower end of the finished product material falling sliding grooves (29) extends downwardly out of the lower die seat (102).
10. The transfer mold for a support of plastic parts of an automobile according to claim 1, wherein The upper die seat (202) is provided with guide rods (30) at four corners, respectively, and the lower die seat (102) is provided with guide sleeves (31) matched with the guide rods (30) at four corners; the guide rods (30) penetrate through the stripper plate (203) downward and are arranged in the guide sleeves (31), and the stripper plate (203) is provided with linear bearings (32) matched with the guide rods (30).