CN102806478B - A kind of steel tube end part chamfer machining fixture - Google Patents

Abstract

The invention provides a kind of steel tube end part chamfer machining fixture being applied to steel pipe processing technique field, recess I (4) on the upper bolster (1) of described chamfer machining fixture forms nib (6) with the recess II (5) on die shoe (2), the upper body (7) of clamping (3) is connected with upper bolster (1) and die shoe (2) respectively with lower body (8), the upper caliber portion (9) of upper body (7) and lower caliber portion (10) fastening of lower body (8) form columniform caliber portion (11), caliber portion (11) is through nib (6), caliber portion (11) is set to the structure that can be set with steel pipe (12), fixture of the present invention can clamp steel pipe, thus conveniently can carry out chamfered to steel tube end part, adopt fixture of the present invention, structure is simple, before the steel pipe of different tube diameters is processed, only need to change the clamping with the caliber portion of different size.

Description

A fixture for chamfering the end of a steel pipe

technical field

The invention belongs to the technical field of steel pipe processing, and more specifically relates to a clamp for chamfering the end of a steel pipe.

Background technique

With the continuous development of the automobile industry, the pursuit of higher quality in all aspects of the automobile, especially the piping, will more directly affect the life and safety of the automobile. Therefore, the details of the steel pipes have become more stringent. In order to The ends of steel pipes with different pipe diameters are chamfered conveniently, stably and quickly. In the prior art, there have been fixtures for chamfering processing of steel pipes with multiple pipe diameters. But the shortcoming of the fixture for chamfering processing in the prior art is that it is not convenient, stable, mechanized, and multi-purpose to realize the chamfering processing work of multiple pipe diameters (the center adjustment of the cutter and the fixture is very inconvenient, resulting in waste products of chamfering high rate).

Contents of the invention

The technical problem to be solved by the present invention is to provide a steel pipe with a simple structure, which can conveniently and stably clamp steel pipes with different diameters, so as to facilitate chamfering of the ends of the steel pipes. A jig for end chamfering.

To solve the technical problems described above, the technical solution adopted by the present invention is:

The invention relates to a fixture for chamfering the end of a steel pipe. The fixture for processing includes an upper mold base, a lower mold base, and a clamping mold. After the upper mold base and the lower mold base are fastened and connected, the concave part on the upper mold base Ⅰ and the concave portion II on the lower mold base form a die hole that penetrates the upper mold base and the lower mold base. When the body part and the lower body part are respectively connected with the upper mold base and the lower mold base, the upper pipe diameter part of the upper body part and the lower pipe diameter part of the lower body part are fastened to form a cylindrical pipe diameter part, and the pipe diameter part passes through The die hole and the pipe diameter part are set to a structure capable of being fitted with a steel pipe.

The side of the recess II on the lower mold base is respectively connected with one end of the left guide post and the right guide post, and the upper mold base is provided with a left sleeve hole and a right sleeve hole, and the upper mold base passes through the left sleeve hole and the right sleeve hole respectively. It is fitted on the left guide post and the right guide post, and there is a gap between the outer surface of the pipe diameter part and the inner surface of the die hole.

The ends of the left guide post and the right guide post that are not connected to the lower die base are connected to the plate, and the plate is provided with a driving part for pushing the upper die base to move along the left guide post and the right guide post. The drive part is A hydraulic oil pump or an air pump, the driving part is connected with a control power supply, and a switch for manipulating the control part is arranged on the control power supply.

A jacking block is set between the plate and the upper mold base, and the jacking block is connected with the bolt holes on the upper module through bolts, and a ejector rod is arranged on the control part, and the ejector rod is connected with the ejector block, and the ejector rod is set to be able to push the jacking Structure for block movement.

The upper mold base and the lower mold base are respectively provided with a plurality of connection holes, and the connection holes on the upper mold base and the connection holes on the lower mold base are respectively set at the positions next to the recess I and the recess II, and the clamping die 3 The upper body part 7 and the lower body part 8 are respectively provided with holes 30, and the holes 30 on the upper body part 7 and the holes 30 on the lower body part 8 are respectively connected with the connecting holes 23 on the upper die base 1 and the lower die base 2 by bolts. The connection hole 23 on the connection.

Two protruding blocks are provided on both sides of the lower mold base, and perforations are respectively provided on the two protruding blocks. The chamfering jig is connected with the frame-shaped base, and the chamfering jig passes through the perforated hole. The bolts are connected to the base.

The left guide post and the right guide post are respectively connected with threaded hole I and threaded hole II on the lower mold base.

Adopt technical scheme of the present invention, can obtain following beneficial effect:

The clamp for chamfering the end of the steel pipe of the present invention can clamp the steel pipe through the cooperation of the upper mold base, the lower mold base and the clamping die, so that the end of the steel pipe can be chamfered conveniently. , before processing steel pipes with different diameters, it is only necessary to replace the clamping molds with different diameters, so that the fixture structure of the present invention is simple, and can conveniently and stably tighten steel pipes with different diameters , so that it is convenient to chamfer the end of the steel pipe.

Description of drawings

The following is a brief description of the contents expressed in the drawings of this manual and the marks in the drawings:

Fig. 1 is the schematic structural view of the clamp for processing steel pipe end chamfering according to the present invention;

Fig. 2 is a schematic view of the front structure of the steel pipe end chamfering fixture according to the present invention;

Fig. 3 is a schematic structural view of the upper mold base and the lower mold base of the steel pipe end chamfering fixture according to the present invention;

Fig. 4 is the structural representation of the die clamping of the steel pipe end chamfering fixture of the present invention;

Fig. 5 is a structural schematic diagram of the lower mold base of the fixture for processing steel pipe end chamfering according to the present invention;

The marks in the figure are: 1. Upper mold base; 2. Lower mold base; 3. Clamping mold; 4. Recess I; 5. Recess II; 6. Die hole; 7. Upper body part; 8. Lower body part; 9 , upper pipe diameter part; 10, lower pipe diameter part; 11, pipe diameter part; 12, steel pipe; 13, left guide post; 14, right guide post; 15, left casing hole; 16, right casing hole; 18. Driving parts; 19. Control power supply; 20. Top block; 21. Bolt hole; 22. Push rod; 23. Connection hole; 24. Protruding block; 25. Perforation; 26. Base; 27. Switch; 28, threaded hole I; 29, threaded hole II; 30, hole.

Detailed ways

Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the role and working principle of the various parts, etc., will be further described. Detailed instructions:

As shown in accompanying drawing 1-accompanying drawing 5, the present invention is a kind of fixture for steel pipe end chamfering processing, described fixture comprises upper mold base 1, lower mold base 2, clamping mold 3, upper mold base 1 and lower After the mold base 2 is fastened and connected, the concave part I4 on the upper mold base 1 and the concave part II5 on the lower mold base 2 form the mold hole 6 that penetrates the upper mold base 1 and the lower mold base 2, and the upper body part 7 of the clamping mold 3 And lower body part 8 is set to the structure that can be connected with upper die holder 1 and lower die holder 2 respectively, when upper body part 7 and lower body part 8 were connected with upper die holder 1 and lower die holder 2 respectively, upper body part 7 The upper pipe diameter part 9 of the upper body part 8 and the lower pipe diameter part 10 of the lower body part 8 are snapped together to form a cylindrical pipe diameter part 11, the pipe diameter part 11 passes through the die hole 6, and the pipe diameter part 11 is set to a structure that can fit a steel pipe 12 .

The side of the lower mold base 2 provided with the recess II5 is respectively connected to one end of the left guide post 13 and the right guide post 14, and the upper die base 1 is provided with a left sleeve hole 15 and a right sleeve hole 16, and the upper die base 1 passes through the left The bushing hole 15 and the right bushing hole 16 are fitted on the left guide post 13 and the right guide post 14 respectively, and there is a gap between the outer surface of the pipe diameter portion 11 and the inner surface of the die hole 6 .

One end of the left guide post 13 and the right guide post 14 that is not connected to the lower die base 2 is connected to the plate 17, and the plate 17 is provided for pushing the upper die base 1 along the left guide post 13 and the right guide post 14. The moving drive part 18 is a hydraulic oil pump or an air pump. The drive part 18 is connected to a control power supply 19, and a switch 27 for manipulating the control part 18 is arranged on the control power supply 19.

A jacking block 20 is set between the plate 17 and the upper mold base 1, and the jacking block 20 is connected to the bolt hole 21 on the upper module 1 through bolts. Connected, the push rod 22 is set as a structure capable of pushing the top block 20 to move.

The upper mold base 1 and the lower mold base 2 are respectively provided with a plurality of connecting holes 23, and the connecting holes 23 on the upper mold base 1 and the connecting holes 23 on the lower mold base 2 are respectively arranged to be located in the recess I4 and At the position next to the concave part II5, holes 30 are respectively set on the upper body part 7 and the lower body part 8 of the clamping die 3, and the holes 30 on the upper body part 7 and the holes 30 on the lower body part 8 are connected to the upper die base 1 by bolts respectively. The connecting hole 23 on the top is connected with the connecting hole 23 on the lower mold base 2.

A protruding block 24 is respectively arranged on the two sides of the lower mold base 2, and a perforation 25 is respectively arranged on the two protruding blocks 24. The described chamfering fixture is connected with a frame-shaped base 26 for chamfering. The clamp is connected to the base 26 by bolts passing through the holes 25 .

The left guide post 13 and the right guide post 14 are respectively connected with the threaded hole I28 and the threaded hole II29 on the lower mold base 2 .

In the jig for processing the chamfering of the end of the steel pipe according to the present invention, when the end of the steel pipe is chamfered, the lower mold base is first connected with the base through the protruding block, thus realizing the fixing of the lower mold base, and then , connect the left guide post 13 and the right guide post 14 with the threaded hole I28 and the threaded hole II29 on the lower die base 2 respectively, and set the upper die base 1 on the left guide post 13 through the left bushing hole 15 and the right bushing hole 16 respectively and the right guide post 14, then the top block 20 is connected with the upper module 1, and then the plate 17 is connected with the left guide post 13 and the right guide post 14, and the driving part 18 is fixedly installed on the plate part 17, and the driving part 18 is connected with the right guide post 14. Control power supply 19 is connected. At this time, the pipe body of the clamping mold is passed through the die hole, and the upper body part 7 and the lower body part 8 of the clamping mold are respectively connected with the upper mold base 1 and the lower mold base 2. The diameter size is matched with the diameter of the steel pipe to be processed.

After the above steps are completed, the steel pipe 12 can be clamped. When clamping, the steel pipe 12 is first set on the pipe diameter part 11 of the clamping mold 3, and then the control power supply 19 is controlled by the switch 27, and the control power supply 19 controls the driving parts. 18 works, the ejector rod 22 of the driving part 18 protrudes outward, and the ejector rod 22 pushes the ejector block 20, thereby driving the upper die base 1 to move in the direction close to the lower die base 2, so that the concave part I4 on the upper die base 1 The diameter of the circular die hole formed with the concave part II5 on the lower die base 2 is gradually reduced, and finally the steel pipe 12 fitted on the pipe diameter part 11 is clamped. At this time, the end chamfering treatment is completed. The clamping work of the steel pipe 12 is convenient for the operator to chamfer the end of the steel pipe 12.

The clamp for chamfering the end of the steel pipe of the present invention can clamp the steel pipe through the cooperation of the upper mold base, the lower mold base and the clamping die, so that the end of the steel pipe can be chamfered conveniently. , before processing steel pipes with different diameters, it is only necessary to replace the clamping molds with different diameters, so that the fixture structure of the present invention is simple, and can conveniently and stably tighten steel pipes with different diameters , so that it is convenient to chamfer the end of the steel pipe.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned manner, as long as various improvements are adopted in the method concept and technical solutions of the present invention, or the present invention is converted without improvement. The ideas and technical solutions of the invention that are directly applied to other occasions are within the protection scope of the present invention.

Claims (3)

1. a steel pipe end chamfering fixture, the described chamfering fixture comprises a patrix (1), a lower die (2), clamping die (3), a patrix (1) and a lower die After the mold base (2) is fastened and connected, the concave part I (4) on the upper mold base (1) and the concave part II (5) on the lower mold base (2) form a penetrating upper mold base (1) and lower mold base The die hole (6) of the circular structure of (2), the upper body portion (7) and the lower body portion (8) of clamping die (3) are set to be able to be respectively with upper mold base (1) and lower mold base (2) ) connection structure, when the upper body part (7) and the lower body part (8) are connected with the upper die base (1) and the lower die base (2) respectively, the upper pipe diameter part (9) of the upper body part (7) and the lower pipe diameter part (10) of the lower body part (8) are fastened to form a cylindrical pipe diameter part (11), the pipe diameter part (11) passes through the die hole (6), and the pipe diameter part (11) is set as A structure capable of sheathing steel pipes (12); The side of the lower mold base (2) provided with the recess II (5) is respectively connected to one end of the left guide post (13) and one end of the right guide post (14), and the upper mold base (1) is provided with a left sleeve hole (15) and the right sleeve hole (16), the upper mold base (1) is respectively sleeved on the left guide post (13) and the right guide post (14) through the left sleeve hole (15) and the right sleeve hole (16). The outer surface of the pipe diameter portion (11) and the inner surface of the die hole (6) are arranged to have a gap structure; It is characterized in that: the ends of the left guide post (13) and the right guide post (14) that are not connected to the lower mold base (2) are connected to the plate (17), and the plate (17) is provided for jacking The driving part (18) that the upper die base (1) moves along the left guide post (13) and the right guide post (14), the driving part (18) is a hydraulic oil pump or an air pump, the driving part (18) and the control power supply (19) connection, the control power supply (19) is provided with a switch (27) for manipulating the drive component (18); A top block (20) is arranged between the plate (17) and the upper mold base (1), and the top block (20) is connected with the bolt holes (21) on the upper module (1) by bolts, and the driving part (18 ) is provided with a push rod (22), the push rod (22) is connected with the ejector block (20), and the ejector rod (22) is set to a structure capable of pushing the ejector block (20) to move; The left guide post (13) and the right guide post (14) are respectively connected with threaded hole I (28) and threaded hole II (29) on the lower mold base (2). 2. The jig for processing steel pipe end chamfering according to claim 1, characterized in that: the upper mold base (1) and the lower mold base (2) are each provided with a plurality of connecting holes (23), the upper The connecting hole (23) on the mold base (1) and the connecting hole (23) on the lower mold base (2) are set to be located next to the recess I (4) and recess II (5), respectively, and the clamping die (3) Holes (30) are respectively set on the upper body part (7) and the lower body part (8) of the upper body part (7), and the holes (30) on the upper body part (7) and the holes (30) on the lower body part (8) pass through bolts respectively Connect with the connecting hole (23) on the upper die base (1) and the connecting hole (23) on the lower die base (2). 3. The fixture for chamfering steel pipe end according to claim 2, characterized in that: one protruding block (24) is respectively arranged on the two sides of the lower mold base (2), two protruding blocks (24) ) are respectively provided with perforations (25), and the described clamps for chamfering are connected with the frame-shaped base (26), and the clamps for chamfering are connected with the base (26) by bolts passing through the perforations (25).