CN219899902U - Continuous stamping die for special-shaped core connecting rod - Google Patents

Abstract

The utility model discloses a continuous stamping die for a special-shaped core connecting rod, which comprises an upper die assembly, a lower die assembly, a bending assembly, a forming assembly and a shaping assembly, wherein the lower die assembly is positioned right below the upper die assembly, the bending assembly, the forming assembly and the shaping assembly are sequentially and correspondingly arranged between the upper die assembly and the lower die assembly from left to right, the bending assembly comprises a bending punch, two stripping blocks, a bending body, a lower ejector rod and an inner stripping block, the bending punch is fixed at the lower part of the upper die assembly, the two stripping blocks are oppositely arranged at the front and back of the upper die assembly, the bending body is fixed at the upper part of the lower die assembly, a first through groove is arranged in the middle of the bending body, the first through groove is correspondingly arranged on the upper and lower parts of the bending punch, the lower ejector rod is arranged in the lower die assembly, the top of the lower ejector rod can be arranged in the first through groove, and the inner stripping block is positioned at the top of the lower ejector rod. The utility model has simple structure and high processing efficiency, and greatly reduces the manufacturing cost of the die.

Description

Continuous stamping die for special-shaped core connecting rod

Technical Field

The utility model relates to a die, in particular to a continuous stamping die for a special-shaped core connecting rod.

Background

The special-shaped core is a cylindrical lock body and the inside is hollow, and is usually machined by adopting a continuous stamping die. In the processing process, firstly, the material plate needs to be bent into a U-shaped structure, and the existing stamping die needs to be provided with three stamping procedures at the starting position of the stamping die when the U-shaped structure is folded, so that the material plate is respectively bent and two sides of the material plate are shaped. Thus, the stamping die has the advantages of complex integral structure, high manufacturing cost and low processing efficiency. In addition, after the U-shaped structure is processed, the forming and shaping are needed, and a core rod is needed, and the core rod of the existing stamping die is manually pulled, so that potential safety hazards exist in operation, and meanwhile, the processing efficiency is extremely low. In addition, the shaping process also needs to use a core rod, the core rod is stressed for a long time, and the core rod is easy to break, so that the production cost is further increased.

Disclosure of Invention

The utility model provides a continuous stamping die for a special-shaped core connecting rod, which mainly aims to solve the problem that the existing stamping die needs a plurality of stamping procedures when bending a U-shaped structure of a special-shaped core.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a continuous stamping die for dysmorphism core connecting rod, includes mould subassembly, lower mould subassembly, the subassembly of bending, shaping subassembly and shaping subassembly, lower mould subassembly is located the mould subassembly under, bend subassembly, shaping subassembly and shaping subassembly from left to right locate respectively between mould subassembly and the lower mould subassembly in proper order, the subassembly of bending includes the drift of bending, two take off the material piece, the body of bending, lower ejector pin and interior take off the piece, the drift of bending is fixed in the mould subassembly lower part, two take off the material piece before, the back relatively set up be fixed in the top of lower mould subassembly, the body of bending is fixed in the upper portion of lower mould subassembly, the middle part of the body of should bending is equipped with first logical groove, first logical groove corresponds the setting with the punch of bending down, the ejector pin is installed in the lower mould subassembly down, and the top of ejector pin can be arranged in first logical inslot down, interior take off the piece and be located first logical inslot and arrange the top of ejector pin down.

The upper die assembly comprises an upper cover plate, an upper die seat, an upper base plate, an upper fixing plate, a stop plate and a stripping plate, wherein the upper die seat is fixed on the bottom surface of the upper cover plate, the upper base plate is fixed on the bottom surface of the upper die seat, the upper fixing plate is fixed on the bottom surface of the upper base plate, the stop plate is movably connected below the fixing plate through an inner guide pillar, the stripping plate is fixed on the bottom surface of the stop plate, and the bending punch is fixed on the bottom of the stripping plate.

The lower die assembly comprises a lower die plate, a lower base plate, a lower die seat and lower pad feet, wherein the lower base plate is fixed on the bottom surface of the lower die plate, the lower die seat is fixed on the bottom surface of the lower base plate, the lower pad feet are fixed on the bottom surface of the lower die seat, two stripping blocks are fixed on the top of the lower die plate, the lower end of the bending body is arranged in the lower die plate, the upper end of the bending body penetrates through the top surface of the bending body, the lower ejector rod is arranged in the lower die seat, and the upper end of the lower ejector rod can penetrate through the upper base plate to be arranged in the first through groove.

The molding assembly comprises a molding punch, a molding body, two floating bridges, a special-shaped core, a floating block, two guide rails, a sliding block and a cylinder, wherein the molding punch is arranged at the bottom of an upper fixing plate, the lower end of the molding punch can penetrate through a stop plate and a stripper plate, the two floating bridges are arranged at the top of a lower die holder in a front-back opposite mode, the tops of the two floating bridges can extend out of the top surfaces of the lower die holder and the lower die plate, the two guide rails are arranged at the top of the lower die holder in a left-right opposite mode, the cylinder is arranged at the top of the lower die holder and is positioned at the front side of the two guide rails, the sliding block is positioned between the two guide rails and can slide forwards and backwards, an extending rod of the cylinder is connected to the front side of the sliding block, the floating block can be connected to the rear end of the sliding block in a top-bottom synchronous mode with the two floating bridges, the front end of the special-shaped core is connected to the rear side of the floating block, the rear end of the special-shaped core can penetrate through the two floating bridges, and the top of the molding body is arranged at the top of the lower die plate and is positioned between the two floating bridges.

The shaping assembly comprises an upper ejector rod, an upper stripping body, an upper shaping body and a lower shaping body, wherein the upper shaping body is arranged at the bottom of an upper fixing plate, the lower end of the upper shaping body can penetrate through a stop plate and a stripping plate, a second through groove is formed in the middle of the upper shaping body, the upper ejector rod is fixed in an upper die holder, the lower end of the upper ejector rod can be arranged in the second through groove, the upper stripping body can be arranged in the second through groove in a vertical sliding mode, and the lower shaping body is arranged at the top of a lower die plate.

The inner sides of the tops of the two stripping blocks extend inwards to form protruding parts, and the protruding parts are provided with openings which penetrate up and down.

The stripper plate bottom is provided with outer guide posts, and the lower template is provided with positioning holes corresponding to the outer guide posts.

As can be seen from the above description of the structure of the present utility model, compared with the prior art, the present utility model has the following advantages: the utility model has simple structure and ingenious design. According to the utility model, the bending assembly is arranged to bend the material plate into a U-shaped structure by one-step molding, multiple bending procedures are not needed, the structure is simple, the processing efficiency is high, and the manufacturing cost of the die is greatly reduced.

Drawings

Fig. 1 is a schematic perspective view of the split mold of the present utility model.

Fig. 2 is a schematic perspective view of a lower die assembly according to the present utility model.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a perspective view of an upper die assembly according to the present utility model.

Fig. 5 is a schematic top and bottom front view of the bending assembly of the present utility model.

Fig. 6 is a schematic view of the positions of two stripper blocks and parts after bending.

Fig. 7 is a schematic diagram showing a comparison of a molding punch of the molding assembly of the present utility model with a molded body before and after molding.

Fig. 8 is a schematic front view of the shaping assembly of the present utility model.

Detailed Description

Referring to fig. 1 to 6. A continuous stamping tool for connecting rods of a special-shaped core 405 comprises an upper die assembly 10, a lower die assembly 20, a bending assembly 30, a forming assembly 40 and a shaping assembly 50. The lower die assembly 20 is located right below the upper die assembly 10, and the bending assembly 30, the forming assembly 40 and the shaping assembly 50 are correspondingly arranged between the upper die assembly 10 and the lower die assembly 20 from left to right. The bending assembly 30 comprises a bending punch 301, two stripping blocks 302, a bending body 303, a lower ejector rod 304 and an inner stripping block 305, wherein the bending punch 301 is fixed at the lower part of the upper die assembly 10, and the two stripping blocks 302 are oppositely fixed at the top of the lower die assembly 20 in front and back. The bending body 303 is fixed on the upper portion of the lower die assembly 20, a first through groove 6 is formed in the middle of the bending body 303, and the first through groove 6 is disposed in an up-down correspondence with the bending punch 301. The lower ejector rod 304 is installed in the lower die assembly 20, and the top of the lower ejector rod 304 can be placed in the first through groove 6, and the inner stripping block 305 is located in the first through groove 6 and placed on the top of the lower ejector rod 304.

Referring to fig. 1 to 6. The upper die assembly 10 and the lower die assembly 20 can be installed on the stamping to realize upper and lower die assembly and normal processing and production, the bending punch 301 of the bending assembly 30 can press the fed material plate downwards into the first through groove 6 of the bending body 303 to realize U-shaped bending, the lower ejector rod 304 can support the inner stripping block 305 after die separation, the inner stripping block 305 drives the U-shaped material plate to lift, at the moment, the two stripping blocks 302 can clamp the two ends of the main material plate to prevent the material plate from rising along with the bending punch 301, and the stripping function is realized. The shaping assembly 40 can further process and shape the folded material plate of the bending assembly 30, so that the top of the U-shaped material plate is folded inwards to form a 45-degree angle, the shaping assembly 50 can further process and shape the material plate molded by the shaping assembly 40, and the 45-degree angle at the top of the material plate is molded to form a 90-degree angle and processed to form a finished product.

Reference is made to fig. 1, 4 and 5. The upper die assembly 10 comprises an upper cover plate 101, an upper die holder 102, an upper base plate 103, an upper fixing plate 104, a stop plate 105 and a stripper plate 106, wherein the upper die holder 102 is fixed on the bottom surface of the upper cover plate 101, and the upper base plate 103 is fixed on the bottom surface of the upper die holder 102. The upper fixing plate 104 is fixed on the bottom surface of the upper backing plate 103, the stop plate 105 is movably connected below the fixing plate through a plurality of inner guide posts, the stripper plate 106 is fixed on the bottom surface of the stop plate 105, and the bending punch 301 is fixed on the bottom of the stripper plate 106.

Reference is made to fig. 1, 4 and 5. The upper cover plate 101 and the upper die holder 102 can be installed on a punch press, the upper base plate 103 has the function of leveling adjustment, the upper fixing plate 104 can fix other parts such as the bending punch 301, the stop plate 105 is matched with the stripper plate 106 to separate the punched parts, the inner guide pillar has the functions of guiding and connecting, and the inner guide pillar is connected among the stop plate 105, the stripper plate 106 and the upper fixing plate 104.

Reference is made to fig. 1, 2 and 5. The lower die assembly 20 includes a lower die plate 201, a lower pad 202, a lower die holder 203, and lower pads 204, the lower pad 202 is fixed to the bottom surface of the lower die plate 201, and the lower die holder 203 is fixed to the bottom surface of the lower pad 202. The lower pad 204 is fixed on the bottom surface of the lower die holder 203, the two stripping blocks 302 are fixed on the top of the lower die plate 201, the lower end of the bending body 303 is installed in the lower die plate 201, and the upper end of the bending body 303 passes through the top surface of the bending body 303. The lower ejector rod 304 is installed in the lower die holder 203, and the upper end of the lower ejector rod can pass through the upper base plate 103 and be placed in the first through groove 6.

Reference is made to fig. 1, 2 and 5. The lower die plate 201 has the functions of installation and bearing, the lower base plate 202 has the function of leveling, the lower die base 203 can be installed on an external machine table, and the lower base 204 has the functions of connection and buffering.

Reference is made to fig. 1, 2, 4 and 7. The forming assembly 40 comprises a forming punch 401, a forming body 402, two float bridges 403, a profiled core 405, a float block 406, two guide rails 407, a slider 408 and a cylinder 409. The forming punch 401 is mounted at the bottom of the upper fixing plate 104, the lower end of the forming punch can penetrate through the stop plate 105 and the stripper plate 106, the two floating bridges 403 are mounted at the top of the lower die holder 203 in a front-back opposite mode, and the top ends of the two floating bridges 403 can extend out of the top surfaces of the lower base plate 202 and the lower die plate 201. The two guide rails 407 are mounted on the top of the lower die holder 203 in a left-right opposite arrangement, and the air cylinder 409 is mounted on the top of the lower die holder 203 and is located on the front side of the two guide rails 407. The sliding block 408 is located between the two guide rails 407 and can slide forward and backward, the extending rod of the air cylinder 409 is connected to the front side of the sliding block 408, the float block 406 is connected to the rear end of the sliding block 408 in a vertically sliding manner, and the float block 406 and the two float bridges 403 move synchronously up and down. The front end of the shaped core 405 is connected to the rear side of the float block 406, the rear end of the shaped core can pass through two float bridges 403, and the shaped body 402 is mounted on the top of the lower die plate 201 and is located between the two float bridges 403.

Reference is made to fig. 1, 2, 4 and 7. The forming punch 401 and the forming body are matched to perform stamping forming on the U-shaped material plate, the air cylinder 409 drives the floating block 406 and the special-shaped core 405 to slide back and forth by driving the sliding block 408 and the two guide rails 407, meanwhile, the sliding block 408 drives the floating block 406 and the special-shaped core 405 to slide back and forth, the special-shaped core 405 can pass through the two floating bridges 403 and pass through the U-shaped material plate, the U-shaped material plate is extruded in the process of up-down die assembly of the forming punch 401 and the forming body 402 to realize forming, and at the moment, the special-shaped core 405 only plays an auxiliary forming role, and the special-shaped core 405 cannot be broken by the downward pressure because of the support of the forming body 402. The special-shaped core 405 indirectly drives the front and back to slide through the air cylinder 409, so that core penetration and core pulling are realized, and compared with manual operation, the special-shaped core 405 is high in efficiency and safer. The floating blocks 406 and the floating bridges 403 can drive the heterogeneous cores to move up and down, so that the special-shaped cores 405 drive the material plates to fully contact the forming body 402, and the forming process of the special-shaped cores 405 is guaranteed not to be broken.

Reference is made to fig. 1, 2 and 8. The shaping assembly 50 comprises an upper ejector rod 501, an upper stripper body 502, an upper shaping body 503 and a lower shaping body 504, wherein the upper shaping body 503 is mounted at the bottom of the upper fixing plate 104, and the lower end of the upper shaping body 503 can pass through the stop plate 105 and the stripper plate 106. The middle of the upper shaping body 503 is provided with a second through groove 12, the upper ejector rod 501 is fixed on the upper die holder 102, the lower end of the upper ejector rod is capable of being placed in the second through groove 12, and the upper stripping body 502 is capable of being placed in the second through groove 12 in a vertically sliding manner. The lower molding body 504 is mounted on top of the lower mold plate 201.

Reference is made to fig. 1, 2 and 8. The upper ejector rod 501 can move the upper stripping body 502 downwards, so that the upper stripping body 502 is ensured to enable the material plate to be separated from the upper shaping body 503, the upper shaping body 503 and the lower shaping body 504 are arranged to further shape the material plate molded by the molding assembly 40, the second through groove 12 is arranged, the upper shaping body 503 and the lower shaping body 504 are assembled, the top of the material plate is directly extruded and shaped in the second through groove 12 by the upper stripping body 502, a core is not required to be adopted for the material plate molded by the molding assembly 40, the mold cost can be reduced, and the processing efficiency is higher.

Reference is made to fig. 2, 3 and 5. The top inner sides of the two stripping blocks 302 extend inwards to form a protruding part 7, and the protruding part 7 is provided with an opening 8 penetrating up and down. The arrangement can ensure that the two ends of the material plate move downwards to the bending body 303 through the opening 8 in the bending process of the material plate, the two ends of the material plate can be clamped by the protruding parts 7 in the mold separation process, the material plate is prevented from being upwards carried by the bending punch 301,

referring to fig. 1 to 5. The stripper plate 106 bottom is provided with outer guide post 9, the lower bolster is equipped with the locating hole 11 that corresponds with outer guide post 9, sets up like this and can guarantee that upper die subassembly 10 and lower die subassembly 20 go up and down the compound die accurate and smooth and easy.

The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.

Claims (7)

1. A continuous stamping die for a profiled core tie bar, characterized by: including last mould subassembly, lower mould subassembly, the subassembly of bending, shaping subassembly and shaping subassembly, lower mould subassembly is located the mould subassembly of going up under, bend subassembly, shaping subassembly and locate between mould subassembly and the lower mould subassembly from left to right correspondingly in proper order, the subassembly of bending includes that the drift is bent, two take off the material piece, the body of bending, lower ejector pin and interior take off the piece, the drift of bending is fixed in mould subassembly lower part, two take off the material piece before, the back set up relatively and be fixed in the top of lower mould subassembly, the body of bending is fixed in the upper portion of lower mould subassembly, and the middle part of this bending is equipped with first logical groove, first logical groove corresponds the setting with the punch of bending down, the ejector pin is installed in the lower mould subassembly down, and the top of ejector pin can be arranged in first logical inslot down, interior take off the piece and be located first logical inslot and arrange the top of ejector pin down.

2. A continuous stamping die for shaped core tie bars as claimed in claim 1, wherein: the upper die assembly comprises an upper cover plate, an upper die seat, an upper base plate, an upper fixing plate, a stop plate and a stripper plate, wherein the upper die seat is fixed on the bottom surface of the upper cover plate, the upper base plate is fixed on the bottom surface of the upper die seat, the upper fixing plate is fixed on the bottom surface of the upper base plate, the stop plate is movably connected below the fixing plate through an inner guide pillar, the stripper plate is fixed on the bottom surface of the stop plate, and the bending punch is fixed on the bottom of the stripper plate.

3. A continuous stamping die for shaped core tie bars as claimed in claim 2, wherein: the lower die assembly comprises a lower die plate, a lower base plate, a lower die seat and lower pad feet, wherein the lower base plate is fixed on the bottom surface of the lower die plate, the lower die seat is fixed on the bottom surface of the lower base plate, the lower pad feet are fixed on the bottom surface of the lower die seat, two stripping blocks are fixed on the top of the lower die plate, the lower end of the bending body is arranged in the lower die plate, the upper end of the bending body penetrates through the top surface of the bending body, the lower ejector rod is arranged in the lower die seat, and the upper end of the lower ejector rod can penetrate through the upper base plate to be arranged in the first through groove.

4. A continuous stamping die for shaped core tie bars as claimed in claim 3, wherein: the molding assembly comprises a molding punch, a molding body, two floating bridges, a special-shaped core, a floating block, two guide rails, a sliding block and a cylinder, wherein the molding punch is arranged at the bottom of an upper fixing plate, the lower end of the molding punch can penetrate through a stop plate and a stripper plate, the two floating bridges are arranged at the top of a lower die holder in a front-back opposite mode, the tops of the two floating bridges can extend out of the top surfaces of the lower die holder and the lower die plate, the two guide rails are arranged at the top of the lower die holder in a left-right opposite mode, the cylinder is arranged at the top of the lower die holder and is positioned at the front side of the two guide rails, the sliding block is positioned between the two guide rails and can slide forwards and backwards, an extending rod of the cylinder is connected to the front side of the sliding block, the floating block can be connected to the rear end of the sliding block in a top-bottom synchronous mode with the two floating bridges, the front end of the special-shaped core is connected to the rear side of the floating block, the rear end of the special-shaped core can penetrate through the two floating bridges, and the top of the molding body is arranged at the top of the lower die plate and is positioned between the two floating bridges.

5. A continuous stamping die for shaped core tie bars as claimed in claim 3, wherein: the shaping assembly comprises an upper ejector rod, an upper stripping body, an upper shaping body and a lower shaping body, wherein the upper shaping body is arranged at the bottom of an upper fixing plate, the lower end of the upper shaping body can penetrate through a stop plate and a stripping plate, a second through groove is formed in the middle of the upper shaping body, the upper ejector rod is fixed in an upper die holder, the lower end of the upper ejector rod can be arranged in the second through groove, the upper stripping body can be arranged in the second through groove in a vertical sliding mode, and the lower shaping body is arranged at the top of a lower die plate.

6. A continuous stamping die for shaped core tie bars as claimed in any one of claims 3 to 5, wherein: the inner sides of the tops of the two stripping blocks extend inwards to form protruding parts, and the protruding parts are provided with openings which penetrate up and down.

7. A continuous stamping die for shaped core tie bars as claimed in claim 6, wherein: the stripper plate bottom is provided with outer guide posts, and the lower template is provided with positioning holes corresponding to the outer guide posts.