CN217095004U

CN217095004U - Multi-roller seamless tube mandrel rolling equipment

Info

Publication number: CN217095004U
Application number: CN202220136368.0U
Authority: CN
Inventors: 蔡明启; 蔡安娜
Original assignee: Wenzhou Mingyang Pipe Manufacturing Co ltd
Current assignee: Wenzhou Mingyang Pipe Manufacturing Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-02
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to a seamless pipe production technical field, and a multi-roll seamless pipe plug rolling equipment is disclosed, which comprises a housin, the adjustment groove has been seted up to the inside of casing, the preceding terminal surface center fixed mounting of casing has the center tube, the lateral wall movable mounting of center tube has the carousel, the spacing groove has all been seted up to the position of terminal surface around the lateral wall face of center tube corresponds the carousel, spacing inslot movable mounting has the adjusting lever, the lateral wall face fixed mounting that the adjusting lever corresponds the carousel has the linkage piece, the adjusting lever corresponds the inside one end fixed mounting of center tube and has the rotation head, the bracing piece has been cup jointed between the two sets of rotation heads that correspond around, the roll has been cup jointed to the outer wall of bracing piece. The utility model discloses in, the cooperation through driving gear and lateral wall tooth makes the carousel rotate along the outer wall of center tube to make the roll extrude to the plug embryo, the surface of plug embryo receives the rolling of multiunit roll simultaneously this moment, makes plug embryo surface more smooth even, increases the machining efficiency of plug embryo.

Description

Multi-roller seamless tube mandrel rolling equipment

Technical Field

The utility model relates to a seamless pipe plug production technical field especially relates to multi-roll seamless pipe plug rolling equipment.

Background

The stainless seamless steel pipe is a long steel material having a hollow cross section and having no seam at its periphery. The thicker the wall thickness of the product of the stainless steel seamless pipe is, the more economical and practical the stainless steel seamless pipe is, and the thinner the wall thickness is, the more greatly increased the processing cost of the stainless steel seamless pipe is; secondly, the process of the product determines the limiting performance of the product, and the precision of the common seamless steel pipe is low: the wall thickness is uneven, the brightness of the inner surface and the outer surface of the pipe is low, the sizing cost is high, and pockmarks and black spots on the inner surface and the outer surface are not easy to remove; and thirdly, the detection and the shaping of the device must be processed off line. Therefore, the seamless pipe shows the superiority in the aspects of high pressure, high strength and mechanical structure materials, the seamless pipe needs to be perforated by using a core rod in the production process to enable a pipe blank to become a hollow blank pipe, and the core rod is a part of a die for forming a profile surface in a pressed compact or a sintered body in the pressing direction. The quality of the surface quality and the state of the core rod directly relate to whether production can be smoothly carried out, whether the product precision reaches the standard and the quality of the inner surface quality of the pipe body, and the core rod is mainly produced by forging by using a radial forging machine.

However, when the mandrel is forged, the surface of the mandrel can be forged into a smooth state by repeatedly uniformly hammering the surface of the mandrel for multiple times by the conventional radial forging machine, which wastes time and labor.

For this purpose, we propose a multi-roll seamless tube mandrel mill.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide the rolling equipment of multi-roll seamless pipe plug.

In order to achieve the above object, the present invention adopts the following technical solution, a multi-roll seamless tube mandrel rolling device, comprising a housing, wherein an adjusting groove is formed in the housing, a center tube is fixedly installed at the center of the front end face of the housing, a rotary table capable of rotating along its axis is movably installed inside the side wall face of the center tube corresponding to the adjusting groove, the side wall face of the center tube corresponding to the front end face and the rear end face of the rotary table is provided with a limiting groove, an adjusting rod capable of radially sliding on the side wall face of the center tube along the limiting groove is movably installed in the limiting groove, a linkage block is fixedly installed on the side wall face of the rotary table corresponding to the adjusting rod, a threaded groove is formed in the position of the linkage block close to the spiral thread, a rotating head is fixedly installed at one end of the adjusting rod corresponding to the inside of the center tube, the axis of the rotating head is parallel to the axis of the center tube, the supporting rod is sleeved between the front and rear corresponding two groups of rotating heads, and the roller is sleeved on the outer wall surface of the supporting rod corresponding to the position between the front and rear two groups of rotating heads.

Preferably, the central tube is a cylindrical block with hollow front and rear end surfaces, and the central tube penetrates through the front and rear end surfaces of the shell.

Preferably, the front end face and the rear end face of the rotary table are integrally formed with spiral threads, the spiral threads are of a thread-shaped structure with a semicircular cross section, side wall teeth are fixedly mounted on the side wall face of the rotary table, and the side wall teeth are of uniformly arranged tooth-shaped structures.

Preferably, the limiting groove is composed of a plurality of groups of circular grooves which are uniformly arranged on the side wall surface of the central tube and penetrate through the side wall surface of the central tube.

Preferably, the thread groove is engaged with the spiral thread.

Preferably, the support rod is a round long rod, a round plate with the diameter twice that of the support rod is arranged on the rear end face of the support rod, and a fixed plate is connected to the position, corresponding to the front end of the rotating head, of the side wall face of the support rod through threads.

Preferably, a motor is fixedly mounted on the side wall surface of the shell, a driving gear is fixedly mounted at the output end of the motor, a communicating groove communicated with the adjusting groove is formed in the position, corresponding to the driving gear, of the side wall surface of the shell, and the driving gear penetrates through the communicating groove and is meshed with the side wall teeth.

Advantageous effects

The utility model provides a multi-roll seamless pipe plug rolling equipment. The method has the following beneficial effects:

(1) this multi-roll seamless pipe plug rolling equipment, place the position between the multiunit roll through anchor clamps with the plug embryo, the starter motor again, the cooperation that the motor passes through driving gear and lateral wall tooth makes the carousel rotate along the outer wall of center tube, when the carousel rotated and drives the spiral line and rotate, the spiral line makes the adjusting lever carry out radial motion along the spacing groove with the cooperation of thread groove, thereby drive the roll and extrude to the plug embryo, the surface that makes the plug through the rotatory plug embryo of anchor clamps this moment receives the rolling of multiunit roll simultaneously, make plug embryo surface more smooth even, increase the machining efficiency of plug embryo.

(2) This multi-roll seamless pipe plug rolling equipment, behind a lot of a mandrel embryo, the outer wall of roll is often impaired seriously, through unscrewing the fixed disk this moment, takes the bracing piece out in the rotating head again to take off the roll, reach the effect of quick replacement roll, make things convenient for equipment maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a partial structure of the present invention.

Illustration of the drawings:

1. a housing; 2. an adjustment groove; 3. a central tube; 4. a turntable; 5. helical thread; 6. a limiting groove; 7. an adjusting lever; 8. a linkage block; 9. a thread groove; 10. rotating the head; 11. a support bar; 12. fixing the disc; 13. rolling; 14. side wall teeth; 15. a motor; 16. a driving gear; 17. a communicating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): a multi-roller seamless tube mandrel rolling device is shown in figures 1-3 and comprises a shell 1, wherein an adjusting groove 2 is formed in the shell 1, the adjusting groove 2 is a rectangular groove, a central tube 3 is fixedly installed in the center of the front end face of the shell 1, the central tube 3 is a cylindrical block with front and rear end faces hollowed out, the central tube 3 penetrates through the front and rear end faces of the shell 1, a rotary disc 4 capable of rotating along the axis of the central tube 3 is movably installed inside the adjusting groove 2 corresponding to the outer wall face of the central tube 3, the rotary disc 4 is a circular plate, spiral threads 5 are integrally formed on the front and rear end faces of the rotary disc 4, each spiral thread 5 is of a spiral thread structure with a semicircular cross section, side wall teeth 14 are fixedly installed on the side wall face of the rotary disc 4, the side wall teeth 14 are of uniformly-arranged tooth-shaped structures, limiting grooves 6 are formed in positions, corresponding to the front and rear end faces of the rotary disc 4, of the side wall face of the central tube 3, and circular groove groups, which penetrate through the side wall 3 are uniformly arranged on the central tube 3 An adjusting rod 7 capable of sliding radially on the side wall surface of the central tube 3 along the limiting groove 6 is movably mounted in the limiting groove 6, the adjusting rod 7 is a round long rod, a linkage block 8 is fixedly mounted on the adjusting rod 7 corresponding to the side wall surface of the rotary disc 4, the linkage block 8 is a rectangular block, a thread groove 9 is formed in the position, close to the spiral thread 5, of the linkage block 8, the thread groove 9 is meshed with the spiral thread 5, when the rotary disc 4 rotates to drive the spiral thread 5 to rotate, the spiral thread 5 is matched with the thread groove 9 to enable the adjusting rod 7 to move radially along the limiting groove 6, a rotating head 10 is fixedly mounted at one end, corresponding to the inside of the central tube 3, of the adjusting rod 7, the rotating head 10 is a round ring, the axis of the rotating head 10 is parallel to the axis of the central tube 3, a support rod 11 is sleeved between two groups of rotating heads 10 corresponding to the front and back, the support rod 11 is a round long rod, and a round plate with the diameter twice as that of the support rod 11 is arranged on the back end surface of the support rod 11, the side wall surface of the support rod 11 is connected with a fixed plate 12 corresponding to the front end of the rotating head 10 through screw threads, and the outer wall surface of the support rod 11 is sleeved with a roller 13 corresponding to the position between the front and the rear rotating heads 10.

The side wall surface of the shell 1 is fixedly provided with a motor 15, the motor 15 is an existing structure and does not need to be used as a support, the output end of the motor 15 is fixedly provided with a driving gear 16, a communicating groove 17 communicated with the adjusting groove 2 is formed in the position, corresponding to the driving gear 16, of the side wall surface of the shell 1, the communicating groove 17 is a rectangular groove, and the driving gear 16 penetrates through the communicating groove 17 and is meshed and connected with the side wall teeth 14.

The utility model discloses a theory of operation: place the position between multiunit roll 13 with the plug embryo through anchor clamps, restart motor 15, motor 15 makes carousel 4 rotate along the outer wall of center tube 3 through the cooperation of driving gear 16 and lateral wall tooth 14, when carousel 4 rotates and drives the spiral shell 5 and rotate, the cooperation of spiral shell 5 and thread groove 9 makes adjusting lever 7 carry out radial motion along spacing groove 6, thereby drive roll 13 and extrude to the plug embryo, make the surface of plug receive the rolling of multiunit roll 13 simultaneously through the rotatory plug embryo of anchor clamps this moment, make plug embryo surface more smooth even, increase the machining efficiency of plug embryo.

After a plurality of times of the straight core rod blanks, the outer wall surface of the roller 13 is often damaged seriously, at the moment, the fixed disc 12 is screwed off, and the supporting rod 11 is pulled out from the rotating head 10, so that the roller 13 is taken down, the effect of quickly replacing the roller 13 is achieved, and the equipment maintenance is facilitated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Multi-roll seamless pipe mandrel rolling equipment, including casing (1), its characterized in that: the improved spiral thread cutting machine is characterized in that an adjusting groove (2) is formed in the shell (1), a center pipe (3) is fixedly mounted at the center of the front end face of the shell (1), the side wall face of the center pipe (3) is correspondingly provided with a rotary table (4) which can rotate along the axis of the center pipe (3) on the outer wall face of the center pipe (3) in a movable mode inside the adjusting groove (2), limit grooves (6) are formed in the positions, corresponding to the front end face and the rear end face of the rotary table (4), of the side wall face of the center pipe (3), adjusting rods (7) which can slide in the radial direction along the limit grooves (6) are movably mounted in the limit grooves (6), linkage blocks (8) are fixedly mounted on the side wall face of the adjusting rods (7) corresponding to the rotary table (4), threaded grooves (9) are formed in the positions, close to spiral threads (5), and rotating heads (10) are fixedly mounted at the ends, corresponding to the ends, inside the center pipe (3), of the adjusting rods (7), the axis of the rotating head (10) is parallel to the axis of the central tube (3), a supporting rod (11) is sleeved between the front and the rear corresponding two groups of rotating heads (10), and a roller (13) is sleeved at the position, corresponding to the front and the rear two groups of rotating heads (10), of the outer wall surface of the supporting rod (11).

2. The multi-roll seamless tube mandrel mill according to claim 1, characterized in that: the central tube (3) is a cylindrical block with hollow front and rear end faces, and the central tube (3) penetrates through the front and rear end faces of the shell (1).

3. The multi-roll seamless tube mandrel mill according to claim 1, characterized in that: the front end face and the rear end face of the rotary table (4) are provided with spiral threads (5) in an integrated forming mode, the spiral threads (5) are of a thread-shaped structure with a semicircular cross section, side wall teeth (14) are fixedly mounted on the side wall face of the rotary table (4), and the side wall teeth (14) are of uniformly-arranged tooth-shaped structures.

4. The multi-roll seamless tube mandrel mill according to claim 1, characterized in that: the limiting groove (6) is composed of a plurality of groups of circular grooves which are uniformly arranged on the side wall surface of the central tube (3) and penetrate through the side wall surface of the central tube (3).

5. The multi-roll seamless tube mandrel mill according to claim 3, characterized in that: the thread groove (9) is engaged with the spiral thread (5).

6. The multi-roll seamless tube mandrel mill according to claim 1, characterized in that: the utility model discloses a bracing piece, including bracing piece (11), bracing piece (11) are circular stock and the rear end face of bracing piece (11) is provided with the diameter and is the circular slab of bracing piece (11) diameter twice, the position threaded connection that the side wall face of bracing piece (11) corresponds swivel head (10) front end has fixed disk (12).

7. The multi-roll seamless tube mandrel mill according to claim 1, characterized in that: the utility model discloses a motor, including casing (1), driving gear (16), communicating groove (17) that communicate with adjustment groove (2) have been seted up to the position that the side wall face of casing (1) corresponds driving gear (16), driving gear (16) run through communicating groove (17) and be connected with lateral wall tooth (14) meshing, motor (15) are installed to the side wall face fixed mounting of casing (1), the output fixed mounting of motor (15) has driving gear (16), communicating groove (17) that communicate with adjustment groove (2) are seted up to the position that the side wall face of casing (1) corresponds driving gear (16).