CN219724350U - Steel pipe extrusion forming die - Google Patents

Abstract

The utility model discloses a steel pipe extrusion forming die, which belongs to the technical field of steel pipe forming and adopts the technical scheme that the steel pipe extrusion forming die comprises a mounting assembly, a connecting assembly and a forming assembly, wherein the mounting assembly comprises two mounting blocks, the mounting blocks are in relative sliding connection with a pipe shrinking machine body, the pipe shrinking machine body is fixedly connected with two forming cylinders in relative, one sides of the two mounting blocks, which are far away from each other, are in relative detachable connection with piston ends of the forming cylinders, the connecting assembly comprises a connecting block, the connecting block is in detachable connection with the mounting blocks, the forming assembly comprises a plurality of pressing blocks and forming blocks, the pressing blocks are in sliding connection with the connecting block, one ends of the pressing blocks, which are far away from the connecting block, are respectively inclined towards the direction, and the forming blocks are respectively in detachable connection with the pressing blocks, so that the pipe shrinking machine can diversify the processing shape of the end of a steel pipe.

Description

Steel pipe extrusion forming die

Technical Field

The utility model relates to the field of steel pipe forming, in particular to a steel pipe extrusion forming die.

Background

At present, the steel pipe is widely applied as a steel material with a hollow section and a length far greater than a diameter or a perimeter, and in order to enable the steel pipe to be applicable to different use scenes, the steel pipe needs to be processed and molded, so that the shape of the steel pipe is changed to meet production requirements.

In the related art, the end of the steel pipe is required to be subjected to diameter reduction treatment, so that the end after diameter reduction can stretch into other steel pipes, when the end of the steel pipe is subjected to diameter reduction forming processing, a pipe shrinking machine is commonly used, the pipe shrinking machine comprises clamping blocks, forming oil cylinders, a supporting base and a pipe shrinking die, the two clamping blocks are arranged and are respectively connected with the pipe shrinking machine in a sliding mode, the clamping blocks are respectively connected with clamping cylinders for pushing the clamping blocks, the two forming oil cylinders are fixedly connected with the pipe shrinking machine and are positioned on two sides of the clamping blocks, the piston end of each forming oil cylinder is fixedly connected with the supporting base, the bottom of the supporting base is slidably connected with a guide rail, the pipe shrinking die is detachably connected with the supporting base, the position of the steel pipe to be processed is fixed under the action of the clamping blocks, the forming oil cylinders drive the supporting base to move towards the directions close to two ends of the steel pipe, and after the end of the steel pipe stretches into the pipe shrinking die, the end of the steel pipe is gradually extruded to be attached to the inner wall of the pipe shrinking die under the pressure of the forming oil cylinders, and thus diameter reduction processing is completed.

Aiming at the related technology, the shrinkage tube die can only extrude the end of the steel tube into one shape, so that the shrinkage tube machine is used for shrinking the diameters of the two ends of the steel tube, and therefore, when the end of the other end is required to be processed into a special shape, a worker is required to shrink the diameter of one end and then process the other end for forming, the steps are complex, and the defect that the shape of the shrinkage tube machine for processing and forming the end of the steel tube is limited exists.

Disclosure of Invention

The utility model provides a steel pipe extrusion forming die, which is used for enabling a pipe shrinking machine to diversify the processing shape of a steel pipe end.

The utility model provides a steel pipe extrusion forming die which adopts the following technical scheme:

the utility model provides a steel pipe extrusion forming mould, includes installation component, coupling assembling and shaping subassembly, the installation component includes two installation pieces, installation piece and the relative sliding connection of draw machine body, draw machine body relative fixedly connected with two are used for the drive installation piece gliding shaping hydro-cylinder, two one side that the installation piece kept away from each other with the piston end of shaping hydro-cylinder is relative to be dismantled and is connected, coupling assembling includes the connecting block, the connecting block with the installation piece is kept away from the one end of shaping hydro-cylinder can be dismantled and is connected, the shaping subassembly includes compact heap and shaping piece, the compact heap is provided with a plurality of, a plurality of the compact heap all with connecting block sliding connection, just the compact heap is kept away from the one end of connecting block is to the direction slope that keeps away from each other respectively for carry out extrusion forming to the steel pipe end the shaping piece corresponds and is provided with a plurality of, a plurality of the shaping piece respectively with the compact heap can dismantle and be connected.

Through adopting above-mentioned technical scheme, adorn the installation piece to the draw machine body on, connect connecting block and installation piece again, can make the position of compact heap fixed, select the compact heap of specific shape according to the processing needs, and install the compact heap to be connected with the shaping piece, when shaping hydro-cylinder promotes installation piece and connecting block to the direction motion that is close to the compact heap, the lateral wall butt that steel pipe end and shaping piece are close to each other, because the compact heap is to the direction slope of keeping away from each other, the connecting block gradually drives the compact heap and removes to the direction that is close to each other, make the compact heap drive the shaping piece extrude steel pipe end, make steel pipe end be processed into specific shape, can make the draw machine body process into multiple shape with steel pipe end through changing the shaping piece.

Preferably, the compression blocks are respectively and fixedly connected with a limiting block for limiting the position of the end head of the steel pipe, and the limiting blocks are positioned on the side surfaces, close to each other, of one ends of the compression blocks, close to the connecting blocks.

Through adopting above-mentioned technical scheme, when the steel pipe end stretches into between the compact heap and with stopper butt, can restrict the position of steel pipe end in the compact heap, make extrusion more accurate, the body of being convenient for draw machine is processed into different shapes with the steel pipe.

Preferably, the connecting assembly further comprises a connecting bolt, a plurality of connecting holes are formed in one end, close to the mounting block, of the connecting block, threads matched with the connecting bolt are formed in the connecting holes, the connecting bolt penetrates through one end, close to the connecting block, of the mounting block and is in threaded connection with the mounting block, and a nut is fixedly connected with one end, away from the connecting block, of the connecting bolt.

Through adopting above-mentioned technical scheme, connecting block and installation piece pass through connecting bolt and connect, can make the connection between connecting block and the installation piece more stable, be difficult for producing not hard up, make the shaping hydro-cylinder can promote the installation piece steadily, make extrusion's effect better, the steel pipe end shape after processing is more accurate.

Preferably, the sliding track is arranged on the side surface of the inclined section of the compression block, the compression block is connected with a sliding bolt, one end, close to the compression block, of the sliding bolt extends into the sliding track and is in sliding connection with the compression block, and one end, far away from the compression block, of the sliding bolt penetrates through the connecting block and is in threaded connection with the connecting block.

Through adopting above-mentioned technical scheme, slide bolt slides in the slip track, can restrict the direction of movement of compact heap and shaping piece, makes the shaping piece remove and extrude the steel pipe end along the direction that is close to the steel pipe end.

Preferably, the forming assembly further comprises a plurality of connecting springs for supporting the compression blocks, and two ends of the connecting springs are fixedly connected with the side faces, close to each other, of the compression blocks respectively.

Through adopting above-mentioned technical scheme, connecting spring can provide the support to two adjacent compact blocks, makes the steel pipe end be convenient for by the clamp block centre gripping to by shaping piece extrusion.

Preferably, the compaction block is connected with a buffer component for enabling the compaction block to be stressed uniformly.

Through adopting above-mentioned technical scheme, when the connecting block removes and makes the compact heap each other be close to, under buffer assembly's effect, the atress of compact heap is more even to drive the shaping piece and carry out extrusion to the steel pipe end steadily.

Preferably, the buffer assembly comprises a buffer spring, the buffer spring is located in the connecting block, one end of the buffer spring is abutted to one side, close to the connecting block, of the mounting block, and the other end of the buffer spring is fixedly connected with the compressing block relatively.

By adopting the technical scheme, when the compression block gradually enters the connecting block, the buffer spring is compressed; after the forming is finished, the forming oil cylinder drives the mounting block and the connecting block to move in the direction away from the end head of the steel pipe, and the force generated when the buffer spring in the compressed state is released can assist the compressing block to connect in the direction away from the connecting block, so that the compressing block is not easy to clamp inside the connecting block.

Preferably, the buffer assembly comprises a buffer plate, the buffer plate is located inside the connecting block and is in sliding connection with the connecting block, the sliding direction of the buffer plate is parallel to the sliding direction of the connecting block, and one end, away from the mounting block, of the buffer spring is fixedly connected with one side, close to the mounting block, of the buffer plate.

Through adopting above-mentioned technical scheme, when the one end that the compact heap is close to the connecting plate and buffer board butt, the buffer board drives buffer spring compression, because the buffer board can share the pressure of compact heap, promotes extrusion's stability, and the effect is better when making the shaping piece process into different shapes with the steel pipe end.

Preferably, the buffer assembly comprises a washer, and the washer for protecting the surface of the mounting block is sleeved on the connecting bolt and is in sliding connection with the connecting bolt.

Through adopting above-mentioned technical scheme, when the nut on connecting bolt rotates to with the connecting block butt, because the shaping hydro-cylinder can produce the vibration in the promotion in-process to make mutual friction between nut and the connecting block, the surface that the packing ring can protect nut and connecting block makes it difficult wearing and tearing.

In summary, the utility model has the following beneficial effects:

1. when the end extrusion processing of steel pipe becomes the dysmorphism, the staff can lift down the draw mould to install the installation piece to on the draw machine body, be connected connecting block and installation piece, and make shaping cylinder promote installation piece and connecting block to the direction removal that is close to the steel pipe end, make the end and the shaping piece butt of steel pipe, the compact heap is driven to being close to each other by the connecting block, can extrude the steel pipe end, make the steel pipe end be processed into the shape with shaping piece looks adaptation, through changing the shaping piece, can make the draw machine process into multiple shape with the steel pipe end.

2. After extrusion is accomplished to the steel pipe end to the shaping piece, shaping hydro-cylinder drives installation piece and connecting block and removes to the direction of keeping away from the steel pipe end, and buffer spring can provide the thrust to external world removal to the compact heap, makes the difficult card of compact heap in the connecting block to influence next processing.

3. When the end of the steel pipe stretches into the space between the compression blocks and is abutted with the limiting block, the position of the end of the steel pipe can be limited, so that the end of the steel pipe is not easy to deviate, and the forming effect of the steel pipe is better.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic view showing a partial structure of a connection assembly and a molding assembly according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a partial structure of a stopper according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a pipe shrinking machine body; 11. a clamping block; 111. a clamping cylinder; 12. forming an oil cylinder; 13. a support base; 131. a guide rail; 14. a pipe shrinking mold; 2. a mounting assembly; 21. a mounting block; 22. a mounting shaft; 3. a connection assembly; 31. a connecting block; 311. a connection hole; 32. a connecting bolt; 4. a molding assembly; 41. a compaction block; 411. a sliding rail; 412. a sliding bolt; 413. a limiting block; 414. a mounting hole; 42. molding blocks; 421. installing a bolt; 43. a connecting spring; 5. a buffer assembly; 51. a buffer plate; 52. a buffer spring; 53. and a gasket.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model provides a steel pipe extrusion forming mould, as shown in fig. 1 and 2, including installation component 2, coupling assembling 3, shaping subassembly 4 and buffering subassembly 5, installation component 2 is connected with draw machine body 1, and coupling assembling 3 is connected with installation component 2, and shaping subassembly 4 is connected with coupling assembling 3 and is used for carrying out the machine-shaping work to the end of steel pipe, and buffering subassembly 5 is connected with coupling assembling 3 and is used for making the machine-shaping more stable.

As shown in fig. 1 and 2, the mounting assembly 2 includes a mounting block 21 and a mounting shaft 22, the mounting block 21 is a horizontal cuboid structure, and is located above the support base 13 and detachably connected with the support base 13 through bolts, the mounting shaft 22 is a horizontal rod-shaped structure, the mounting shaft 22 is fixedly connected with one end of the mounting block 21, which is close to the forming cylinder 12, and one end of the mounting shaft 22, which is far away from the mounting block 21, is clamped with the support base 13, so that the mounting block 21 is stably connected with the support base 13.

As shown in fig. 2 and 3, the connection assembly 3 includes a connection block 31 and a connection bolt 32, the connection block 31 is of a hollow horizontal cuboid structure, two ends of the connection block 31 are opened, one end of the connection block 31 in the length direction is close to one end of the installation block 21 far away from the installation shaft 22 and is detachably connected with the installation block 21, connection holes 311 are formed in the top surface and the bottom surface of the connection block 31, the connection holes 311 are flush with one end of the connection block 31 close to the installation block 21, and the length direction of the connection holes 311 is parallel to the length direction of the connection block 31.

As shown in fig. 2 and 3, a plurality of grooves with internal threads are formed in one end of the connecting block 31, which is close to the mounting block 21, and one end of the connecting bolt 32 extends into the grooves and is in threaded connection with the connecting block 31, one end of the connecting bolt 32, which is far away from the connecting block 31, correspondingly passes through the mounting block 21 and is in threaded connection with the mounting block 21, and a nut which is convenient for a worker to rotate the connecting bolt 32 is fixedly connected with one end of the connecting bolt 32, which is far away from the connecting block 31.

As shown in fig. 2, the molding assembly 4 includes a compression block 41, a molding block 42 and a connecting spring 43, the compression block 41 is in a horizontal rod-shaped structure, the longitudinal section of the compression block 41 is in a C shape, two compression blocks 41 are vertically arranged, the length directions of the two compression blocks 41 are parallel to the length direction of the connecting block 31, the openings of the compression blocks 41 are opposite, one ends of the same sides of the two compression blocks 41 respectively extend into the connecting block 31 and are in sliding connection with the connecting block 31, and the other ends of the two compression blocks are inclined in directions away from each other.

As shown in fig. 2 and 3, the inclined part of the compression block 41 is an inclined part, two sides of the inclined part of the compression block 41 are provided with sliding rails 411 with the length direction parallel to the length direction of the inclined part of the compression block 41, the compression block 41 is slidably connected with sliding bolts 412, one end of each sliding bolt 412 extends into the sliding rail 411, and the other end passes through the connecting block 31 and is in threaded connection with the connecting block 31; the sides of the compression block 41, which are close to one end of the connection block 31, are respectively fixedly connected with a limiting block 413, and the length direction of the limiting block 413 is perpendicular to the length direction of the horizontal part of the compression block 41.

As shown in fig. 3, the forming blocks 42 are respectively located at one sides of the inclined parts of the pressing blocks 41, which are close to each other, and are connected with the pressing blocks 41, one sides of the forming blocks 42, which are close to the pressing blocks 41, are fixedly connected with mounting bolts 421, mounting holes 414 for allowing the mounting bolts 421 to pass through are formed in corresponding positions of the pressing blocks 41, the mounting bolts 421 are in sliding connection with the pressing blocks 41, and nuts for limiting the positions of the forming blocks 42 are connected to the mounting bolts 421 in a threaded manner; the plurality of connecting springs 43 are provided, and both ends of the plurality of connecting springs 43 are fixedly connected with the side surfaces of the inclined portions of the two pressing blocks 41, which are close to each other.

As shown in fig. 1 and 2, the buffer assembly 5 includes a buffer plate 51, a buffer spring 52 and a washer 53, where the buffer plate 51 is in a vertical plate structure, and is located inside the connection block 31 and slidably connected with the top surface of the support base 13, the length direction of the buffer plate 51 is perpendicular to the length direction of the connection block 31, and is located between the mounting block 21 and the compression block 41, one side of the buffer plate 51 near the compression block 41 is abutted with the compression block 41, the buffer spring 52 is in a horizontal spring structure, one end of the buffer spring 52 is fixedly connected with one side of the mounting block 21 near the connection block 31, and the other end of the buffer spring is fixedly connected with one side of the buffer plate 51 far from the compression block 41.

As shown in fig. 2 and 3, the washer 53 is a ring-shaped structure made of rubber material, and is sleeved on the connecting bolt 32 and slidably connected with the connecting bolt 32, and when the nut on the connecting bolt 32 approaches the mounting block 21, two sides of the washer 53 are respectively abutted against the nut and the mounting block 21.

The application process of the utility model is as follows:

when the steel pipe clamp is used, the clamping block 11 is detached from the supporting base 13 through the shrinkage die 14, the mounting block 21 is connected with the supporting base 13 through bolts and the mounting shaft 22, the connecting block 31 is connected to the mounting block 21 through the connecting bolts 32, and the compression block 41 faces towards the end of the steel pipe to be processed.

Starting the clamping cylinder 111 to enable the clamping blocks 11 to be close to each other until the steel pipe is clamped, starting the forming cylinder 12 to enable the forming cylinder 12 to push the mounting block 21 and the connecting block 31 to enable the steel pipe to enter between the clamping blocks, enabling the inclined parts to be close to each other after the connecting block 31 is abutted with the inclined parts of the compacting blocks 41, and enabling the forming block 42 to squeeze the end head of the steel pipe to enable the end head of the steel pipe to be processed into a required shape; the staff can process the end of steel pipe into different shapes through changing the shaping piece 42 of different shapes, increases the variety of draw machine body 1 processing shape.

When the clamping block gradually enters the connecting block 31, one end, close to the connecting block 31, of the clamping block is abutted against the buffer plate 51, the buffer plate 51 pushes the buffer spring 52 until the buffer spring 52 is compressed, and when the buffer spring 52 is released after extrusion is finished, the force generated can assist the compressing block 41 to move in a direction away from the connecting block 31, so that the compressing block 41 is not easy to clamp in the connecting block 31.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. The utility model provides a steel pipe extrusion die which characterized in that: including installation component (2), coupling assembling (3) and shaping subassembly (4), installation component (2) are including two installation piece (21), installation piece (21) are with the relative sliding connection of draw machine body (1), draw machine body (1) relative fixedly connected with two are used for the drive installation piece (21) gliding shaping hydro-cylinder (12), two one side that installation piece (21) kept away from each other with the piston end of shaping hydro-cylinder (12) is relative can dismantle and be connected, coupling assembling (3) include connecting block (31), connecting block (31) with installation piece (21) are kept away from the one end of shaping hydro-cylinder (12) can be dismantled and be connected, shaping subassembly (4) are including compact heap (41) and shaping piece (42), compact heap (41) are provided with a plurality of compact heap (41) all with connecting block (31) sliding connection, just compact heap (41) keep away from one end that installation piece (21) kept away from each other is to the direction slope respectively for to the end that keeps away from each other is used for carrying out extrusion shaping piece (42) and a plurality of corresponding and a plurality of compact heap (42) can be connected with a plurality of compact heap (42).

2. A steel pipe extrusion die as set forth in claim 1 wherein: the compression block (41) is fixedly connected with limiting blocks (413) used for limiting the positions of the ends of the steel pipes respectively, and the limiting blocks (413) are located on the side faces, close to one end of the compression block (41), of the connecting block (31) and close to each other.

3. A steel pipe extrusion die as claimed in claim 2, wherein: coupling assembling (3) still include connecting bolt (32), connecting block (31) are close to a plurality of connecting holes (311) have been seted up to the one end of installation piece (21), set up in connecting hole (311) with connecting bolt (32) assorted screw thread, connecting bolt (32) pass installation piece (21) are close to one end of connecting block (31) and with installation piece (21) threaded connection, connecting bolt (32) are kept away from one end fixedly connected with nut of connecting block (31).

4. A steel pipe extrusion die as set forth in claim 1 wherein: the sliding rail (411) is arranged on the side face of the inclined section of the compression block (41), the compression block (41) is connected with a sliding bolt (412), one end, close to the compression block (41), of the sliding bolt (412) stretches into the sliding rail (411) and is in sliding connection with the compression block (41), and one end, far away from the compression block (41), of the sliding bolt (412) penetrates through the connecting block (31) and is in threaded connection with the connecting block (31).

5. A steel pipe extrusion die as set forth in claim 4 wherein: the forming assembly (4) further comprises a plurality of connecting springs (43) for supporting the compression blocks (41), the connecting springs (43) are arranged, and two ends of each connecting spring (43) are fixedly connected with the side faces, close to the compression blocks (41), of each compression block.

6. A steel pipe extrusion die according to claim 3, wherein: the compressing block (41) is connected with a buffer component (5) for enabling the compressing block (41) to be stressed uniformly.

7. A steel pipe extrusion die as set forth in claim 6 wherein: the buffer assembly (5) comprises a buffer spring (52), the buffer spring (52) is located in the connecting block (31), one end of the buffer spring (52) is abutted to one side, close to the connecting block (31), of the mounting block (21), and the other end of the buffer spring is fixedly connected with the compressing block (41) relatively.

8. A steel pipe extrusion die as set forth in claim 7 wherein: the buffer assembly (5) comprises a buffer plate (51), wherein the buffer plate (51) is positioned inside the connecting block (31) and is in sliding connection with the connecting block (31), the sliding direction of the buffer plate (51) is parallel to that of the connecting block (31), and one end, away from the mounting block (21), of the buffer spring (52) is fixedly connected with one side, close to the mounting block (21), of the buffer plate (51).

9. A steel pipe extrusion die as set forth in claim 8 wherein: the buffer assembly (5) comprises a gasket (53), and the gasket (53) used for protecting the surface of the mounting block (21) is sleeved on the connecting bolt (32) and is in sliding connection with the connecting bolt (32).