CN224073148U - Stamping and forming die - Google Patents

Abstract

The utility model discloses a stamping and forming die which comprises an upper forming male die component, a lower forming female die component and a female die fixing component, wherein the upper forming male die component and the lower forming female die component are oppositely arranged in the vertical direction, the upper end of the upper forming male die component is detachably connected with a lower pressing shaft of a stamping machine, the lower forming female die component is fixed on a stamping machine platform through the female die fixing component, and an auxiliary reflecting plate is arranged between the upper forming male die component and the lower forming female die component for stamping. According to the technical scheme, the stability and the forming accuracy of the die are improved through the mutual matching of the parts, the problem that the traditional flanging needs to be performed in four steps one by one is solved, and therefore the production efficiency and the consistency of finished products are improved.

Description

Stamping and forming die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a stamping and forming die.

Background

In the conventional manufacturing process of the sub-reflection plate, hemming is a key step. However, the existing hemming technology has some limitations and disadvantages. The conventional hemming method generally requires four steps to bend four sides of the sub-reflection plate by 90 degrees one by one, which increases the production time and may affect the consistency and quality of the product. In addition, the hem sizes may vary from location to location, which presents additional complexity and challenges to the manufacturing process. Such a multi-step hemming process is not only inefficient, but may also result in wasted material and unstable product quality. Meanwhile, due to the fact that multiple operations are needed, labor intensity of operators and error risks are increased. These problems are particularly pronounced in large-scale production, which may significantly affect production efficiency and product cost.

Disclosure of utility model

The application aims to provide a stamping and forming die which has the advantages of improving production efficiency, reducing material waste and improving product quality consistency.

The application provides a stamping and forming die which comprises an upper forming male die component, a lower forming female die component and a female die fixing component, wherein the upper forming male die component and the lower forming female die component are oppositely arranged in the vertical direction, the upper end of the upper forming male die component is detachably connected with a lower pressing shaft of a stamping machine, the lower forming female die component is fixed on a stamping machine platform through the female die fixing component, and an auxiliary reflecting plate is arranged between the upper forming male die component and the lower forming female die component for stamping.

Further, the upper punch assembly comprises a connecting piece and a forming punch, the connecting piece is in a convex shape, a threaded hole is formed in the lower end of the connecting piece, the lower end of the connecting piece is connected with the upper end of the forming punch through a punch fixing screw, and the upper end of the connecting piece is connected with the lower end of a pressing shaft of the punching machine.

Further, the forming male die and the lower end of the connecting piece are the same in size, the forming male die is provided with a connecting hole corresponding to the threaded hole of the connecting piece, and the forming male die is connected with the connecting piece through a male die fixing screw.

Further, the molding lower die assembly comprises a first filler strip, a second cushion block, a molding die and a lower sliding assembly, wherein the first filler strip is arranged on a punching machine platform, the second cushion block is arranged on the first filler strip, the molding die is arranged on the second cushion block, and the molding die is sleeved outside the lower sliding assembly.

Further, a protrusion is arranged on the second cushion block, a groove is arranged on the protrusion, and a threaded hole is arranged on the protrusion.

Further, the gliding subassembly includes slider, bullet and spring mounting, the spring mounting is placed in the recess, be equipped with the fixed column on the spring mounting, the spring housing is located outside the fixed column, slider lower extreme with the fixed column upper end is connected.

Further, a square hole is formed in the middle of the forming female die, the square hole is sleeved outside the sliding component, the inner wall of the square hole is large with the upper end of the sliding component, and a fixing hole corresponding to the threaded hole on the protrusion is formed in the forming female die.

Furthermore, two groups of Z-shaped male die fixing blocks are further arranged on the forming female die, and one ends of the two groups of male die fixing blocks are respectively fixed on the two forming female dies through screws.

Further, a blanking fixing piece is further arranged on the forming female die, and the blanking fixing piece is arranged on the outer side of the square hole.

Further, die fixed subassembly includes fixed plate, die set screw and fixed cushion, fixed cushion is placed on the punching machine platform, the fixed plate sets up fixed cushion and second cushion, die set screw follows under the punching machine platform pass the fixed plate passes through the screw rod is fixed die subassembly under the shaping.

It can be seen from the above that the stamping and forming die provided by the application comprises an upper forming male die assembly, a lower forming female die assembly and a female die fixing assembly, wherein the upper forming male die assembly and the lower forming female die assembly are oppositely arranged in the vertical direction, the upper end of the upper forming male die assembly is detachably connected with a lower pressing shaft of a stamping machine, and the lower forming female die assembly is fixed on a stamping machine platform through the female die fixing assembly. The design can finish the forming of the secondary reflecting plate through one-time stamping operation, simplifies the production flow, improves the production efficiency, reduces the material waste and improves the consistency of the product quality.

Drawings

Fig. 1 is a schematic diagram of a stamping die in the prior art.

Fig. 2 is a schematic diagram of the front structure of the stamping die of the present utility model.

Fig. 3 is a schematic structural view of the upper punch assembly of the present utility model.

FIG. 4 is a schematic view of a slide-down assembly according to the present utility model.

Fig. 5 is a schematic structural diagram of a second pad of the present utility model.

The description of the drawings is that 1, an upper male die assembly is formed; 11, a forming male die, 12, a connecting piece, 13, a male die fixing screw rod, 2, a forming lower female die assembly, 21, a forming female die, 22, a second cushion block, 221, a protrusion, 222, a groove, 23, a lower sliding assembly, 231, a lower sliding block, 232, a spring fixing piece, 233, a fixing column, 234, a spring, 24, a first cushion strip, 25, a male die fixing block, 26, a blanking fixing piece, 3, a pressing machine pressing shaft, 4, a pressing machine platform, 5, a fixing plate, 6, a fixing cushion block, 7 and a female die fixing screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The use of the terms "first" or "second" and the like in the description of the present utility model is used for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In order to solve the technical problems in the prior art, the present utility model will be further described with reference to the accompanying drawings and examples:

As shown in fig. 1-5, the embodiment of the utility model discloses a stamping and forming die, which comprises an upper forming male die assembly 1, a lower forming female die assembly 1 and a female die fixing assembly 5, wherein the upper forming male die assembly 1 and the lower forming female die assembly 2 are oppositely arranged in the vertical direction, the upper end of the upper forming male die assembly 1 is detachably connected with a lower stamping shaft 3 of a stamping machine, the lower forming female die assembly 2 is fixed on a stamping machine platform 4 through the female die fixing assembly 5, and an auxiliary reflecting plate is placed between the upper forming male die assembly 1 and the lower forming female die assembly 2 for stamping. Through the design, the problem of complicated traditional flanging steps is avoided, the one-time rapid forming of the auxiliary reflecting plate is realized, and the working efficiency is improved.

Further, the upper molding punch assembly 1 comprises a connecting piece 12 and a molding punch 11, the connecting piece 12 is in a convex shape, a threaded hole is formed in the lower end of the connecting piece 12, the lower end of the connecting piece 12 is connected with the upper end of the molding punch 11 through a punch fixing screw 13, and the upper end of the connecting piece 12 is connected with the lower end of the pressing shaft 3 of the punching machine. If the molding male die 11 needs to be replaced due to abrasion, damage or product design change, the male die can be easily detached by unscrewing the male die fixing 3 screw, and a new molding male die 11 is replaced, so that stability can be improved, and the utilization rate of the die is improved.

Further, the connector 12 may be made of at least one of high strength alloy steel, refined iron, or cemented carbide materials to improve the wear resistance and service life of the connector. The forming punch 11 can be designed in different sizes to adapt to different sub-reflector forming requirements.

Further, the connecting piece 12 and the forming male die 11 can be integrally formed during casting, so that the whole structure is more stable, and the cost is reduced.

As a preferred embodiment, the protruding portion of the connecting member 12 may be provided with two sets of stabilizing holes, which may be more stably connected to the press shaft 3 of the press, thereby ensuring that the connecting member does not loosen or fall off during the pressing process, causing damage to the mold or injury to personnel.

As a preferred embodiment, the lower end of the connecting member 12 may be provided with a plurality of screw holes to facilitate various connection modes with the molding punch 11, thereby improving the reliability and flexibility of connection.

The stability of the upper die assembly 1 is ensured through the screw connection mode, the problem of die damage or processing precision reduction caused by infirm connection is avoided, and secondly, the screw connection mode is convenient for the disassembly and replacement of the upper die assembly 1, the maintenance and replacement time is reduced, and the working efficiency is improved.

Further, the forming male die 11 and the lower end of the connecting piece 12 are the same in size, the forming male die 11 and the connecting piece 12 can be connected stably and tightly, the forming male die 11 is provided with a connecting hole corresponding to a threaded hole of the connecting piece 12, and the forming male die 11 and the connecting piece 12 are connected through a male die fixing screw 13, so that loosening or falling off can be avoided in the stamping process, the connection firmness and stability are improved, and the connecting device is low in cost to maintain.

Further, the molding lower die assembly 2 comprises a first filler strip 24, a second cushion block 22, a molding die 21 and a lower slide assembly 23, the first filler strip 24 is arranged on the punching machine platform 4, the second cushion block 22 is arranged on the first filler strip 24, the molding die 21 is arranged on the second cushion block 22, and the molding die 21 is sleeved outside the lower slide assembly 23.

The structural problems in the secondary reflector stamping die are solved by the mutual cooperation of the parts of the lower molding die assembly 1. The first spacer 24 provides basic support and reduces the load bearing capacity of the stamping, the second spacer 22 further promotes the stability of the mold, the forming die 21 is used for the actual forming operation, and the lower slider 231 ensures the downward sliding and accuracy in the forming process. By the interaction of the technical characteristics, the accurate stamping forming of the secondary reflecting plate can be realized.

Further, the second cushion block 22 is provided with a protrusion 221, which is helpful to enhance the structural strength and stability, the protrusion 221 is provided with a groove 222, the spring fixing piece 232 is convenient to be placed without moving, the protrusion 221 is provided with a threaded hole, the forming die 21 is convenient to fix, and the problem of displacement or loosening in the stamping process is avoided. The number and location of the threaded holes may be adjusted according to specific mold design requirements to ensure optimal securement.

Further, the second cushion block 22 is at least one of rectangular or square, the second cushion block 22 is formed by casting at least one of high-strength alloy steel, refined iron or hard alloy materials into an integrated form, and a plurality of parts can be combined into a convex shape in a welding mode, a bolting mode or the like, so that the hardness of the cushion block is increased, and the bearing capacity is enhanced.

Further, the lower sliding component 23 comprises a lower sliding block 231, a spring 234 and a spring fixing piece 232, the spring fixing piece 232 is placed in the groove 222, a fixing column 233 is arranged on the spring fixing piece 232, the spring 234 is sleeved outside the fixing column 233, the lower sliding block 231 is provided with a lower sliding hole 235, and the lower end of the lower sliding hole 235 penetrates through the upper end of the fixing column 233 to be connected with the lower end of the lower sliding block 231.

The lower slider 231 may be made of a high hardness material such as refined steel, cast iron, etc., preferably refined steel, to secure its strength and durability. The spring 234 may be of a material selected to have a suitable elasticity, such as steel, to ensure that it provides sufficient spring force during use.

Further, a square hole is formed in the middle of the forming die 21, the square hole is sleeved outside the lower sliding component 23, the inner wall of the square hole is large with the lower sliding block 231, the lower sliding block 231 can move in the hole, a fixing hole corresponding to the threaded hole in the boss 221 is formed in the forming die 21, and the forming die 21 can be fixed on the boss 221 through a screw rod, so that a stable structure is achieved. The problem of how to move the lower slider 231 up and down in the middle of the molding die 21 is solved by the cooperation between the components.

The forming die 21 is machined from high hardness fine steel, and the lower slider 231 may be made of a wear-resistant material and may be designed in a replaceable structure for replacement after wear.

The gap between the outer wall of the molding male die 11 and the inner wall of the molding female die 21 is just the thickness of the auxiliary reflecting plate, when the molding male die 11 moves downwards to punch, the auxiliary reflecting plate moves downwards under the action of pressure, and the lower sliding block 231 moves downwards until being clamped, so that four sides of the auxiliary reflecting plate are folded inwards, and the punching is completed once.

Further, an internal thread is provided in the middle of the upper end of the fixing post 233, and after the lower slider 231 is placed on the upper end of the fixing post 233, the lower slider 231 can be fixed on the fixing post 233 by a screw. The lower slider 231 is prevented from being ejected out to cause accidents under the action of the rising of the elastic force of the spring 234 after stamping.

Further, two groups of Z-shaped male die fixing blocks 25 are arranged on the forming female die 21, and one ends of the two groups of male die fixing blocks 25 are respectively fixed on the two forming female dies 21 through screws. When the molding punch 11 moves downward, it can be precisely dropped onto the molding die 21. The fixing member may be made of high-strength steel to improve durability and stability thereof.

Further, a blanking fixing piece 26 is further arranged on the forming female die 21, and the blanking fixing piece 26 is arranged on the outer side of the square hole, so that the auxiliary reflecting plate is prevented from moving or shifting in the stamping process, and the stamping precision, quality and consistency are ensured.

Preferably, two sets of blanking fixtures 26 are selected, and are arranged at intervals outside the square holes, and one end of each blanking fixture 26 is pressed into a hole in the forming die 21.

The blanking fixture 26 may be at least one of square, rectangular or cylindrical, and the blanking fixture 26 may be made of a high strength metal material, preferably steel, to ensure that it is not easily deformed or damaged during the stamping process.

Further, the die fixing assembly comprises a fixing plate 5, a die fixing screw 7 and a fixing cushion block 6, the fixing cushion block 6 is placed on the punching machine platform 4, the fixing plate 5 is arranged on the fixing cushion block 6 and a second cushion block 22, and the die fixing screw 7 penetrates through the fixing plate 5 from below the punching machine platform 4 to fix and form the lower die assembly 2 through the screw.

Further, the fixed cushion block 6 has the same height as the second cushion block 22, so that the fixed plate 5 can keep the fixed cushion block 6 and the second cushion block 22 in a horizontal and force mode, the second cushion block 22 can be better fixed without moving, and therefore accuracy and stability of the stamping process are guaranteed.

The fixing plate 5, the female die fixing screw 7 and the fixing cushion block 6 can be integrally made of at least one of steel, iron and high-hardness metal, the fixing plate 5 and the fixing cushion block 6 can be molded by casting or forging, and a group of fixing holes are formed in the middle of the fixing plate.

Compared with the prior art, the technical scheme of the application improves the stability and the forming accuracy of the die through the mutual matching of the parts, and solves the problem that the traditional flanging needs to be performed in four steps one by one, thereby improving the production efficiency and the consistency of finished products.

In view of the above, after reading the present document, those skilled in the art should make various other corresponding changes without creative mental effort according to the technical scheme and the technical conception of the present utility model, which are all within the scope of the present utility model.

Claims (10)

1. The utility model provides a punching press and forming die, its characterized in that, including shaping punch module (1), die module (2) and die fixed subassembly under the shaping, punch module (1) with die module (2) up-down direction sets up relatively under the shaping, punch module (1) upper end is connected with punching machine lower pressure axle (3) can be dismantled down in the shaping, die module (2) pass through die fixed subassembly is fixed above punching machine platform (4), vice reflector place in punch module (1) under the shaping with die module (2) between the punching press down.

2. Stamping and forming die according to claim 1, characterized in that the forming upper punch assembly (1) comprises a connecting piece (12) and a forming punch (11), the connecting piece (12) is in a shape of a 'convex', a threaded hole is formed in the lower end of the connecting piece (12), the lower end of the connecting piece (12) is connected with the upper end of the forming punch (11) through a punch fixing screw (13), and the upper end of the connecting piece (12) is connected with the lower end of the pressing shaft (3) of the stamping machine.

3. Stamping and forming die according to claim 2, characterized in that the forming punch (11) is of the same size as the lower end of the connecting piece (12), the forming punch (11) is provided with a connecting hole corresponding to the threaded hole of the connecting piece (12), and the forming punch (11) is connected with the connecting piece (12) by a punch fixing screw (13).

4. Stamping and forming die according to claim 1, characterized in that the forming lower die assembly (2) comprises a first spacer (24), a second spacer (22), a forming die (21) and a lower slide assembly (23), the first spacer (24) is arranged above the stamping press platform (4), the second spacer (22) is arranged on the first spacer (24), the forming die (21) is arranged on the second spacer (22), and the forming die (21) is sleeved outside the lower slide assembly (23).

5. The stamping and forming die according to claim 4, characterized in that a protrusion (221) is provided on the second pad (22), a groove (222) is provided on the protrusion (221), and a threaded hole is provided on the protrusion (221).

6. The stamping and forming die according to claim 5, wherein the lower slide assembly (23) comprises a lower slide block (231), a spring (234) and a spring fixing member (232), the spring fixing member (232) is placed in the groove (222), a fixing column (233) is arranged on the spring fixing member (232), the spring is sleeved outside the fixing column (233), and the lower end of the lower slide block is connected with the upper end of the fixing column (233).

7. The stamping and forming die according to claim 5, characterized in that a square hole is formed in the middle of the forming female die (21), the square hole is sleeved outside the sliding component (23), the inner wall of the square hole is large with the upper end of the sliding component (23), and a fixing hole corresponding to the threaded hole on the protrusion (221) is formed in the forming female die (21).

8. The stamping and forming die according to claim 4, characterized in that two groups of Z-shaped male die fixing blocks (25) are further arranged on the forming female die (21), and one ends of the two groups of male die fixing blocks (25) are respectively fixed on two sides of the forming female die (21) through screws.

9. Stamping and forming die according to claim 5, characterized in that the forming die (21) is further provided with a blanking fixture (26), the blanking fixture (26) being arranged outside the square hole.

10. The stamping and forming die according to claim 1, characterized in that the die fixing assembly comprises a fixing plate (5), a die fixing screw (7) and a fixing cushion block (6), wherein the fixing cushion block (6) is placed on the stamping machine platform (4), the fixing plate (5) is arranged on the fixing cushion block (6) and a second cushion block (22), and the die fixing screw (7) penetrates through the fixing plate (5) from below the stamping machine platform (4) to fix the forming lower die assembly (2) through the screw.