CN112517641A

CN112517641A - Novel cold pilger mill roll gap adjusting and processing equipment

Info

Publication number: CN112517641A
Application number: CN202011346752.5A
Authority: CN
Inventors: 张龙泽; 马彪; 陈洁; 王军
Original assignee: Zhejiang Qingshan Steel Pipe Co ltd
Current assignee: Zhejiang Qingshan Steel Pipe Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-19

Abstract

The invention discloses a novel cold pilger mill roll gap adjusting and processing device which comprises a base, wherein a roll seat is fixed in the base, a pair of compression rolls which are arranged up and down are connected to the roll seat in a sliding mode along the Z direction, ring-shaped pressing grooves with arc-shaped sections are formed in the two compression rolls, a first compression spring for pressing the upper compression roll down is installed on the roll seat, a second compression spring for moving the lower compression roll up is installed on the roll seat, transverse shafts are fixed on the two compression rolls, gears are fixed on the two transverse shafts, openings are formed in the inner side and the outer side of the base, and compression roll adjusting devices are arranged on the two openings. The invention has the advantages of ingenious and reasonable structural design, can quickly and conveniently adjust the roll gap between the two compression rollers, thereby increasing the efficiency, increasing the universality, greatly reducing the production cost and facilitating the processing, and the cover adopts transverse lateral movement to greatly increase the efficiency, thereby being worthy of popularization and application.

Description

Novel cold pilger mill roll gap adjusting and processing equipment

Technical Field

The invention relates to equipment, in particular to novel equipment for adjusting and processing a roll gap of a cold pilger mill.

Background

The steel material processing thinning is usually operated by using a steel material extruding machine, however, the traditional steel material extruding machine is in a fixed form, namely the gap of a press roll cannot be adjusted, only one type of steel material in a thickness form can be processed, the universality is poor, the operation is complicated, large-area processing production in different batches cannot be carried out, and the cost is high.

Disclosure of Invention

The invention aims to solve the defects of the prior art, provides the novel cold pilger mill roll gap adjusting and processing equipment capable of processing steel products which need to be extruded into different thicknesses, and meets the requirements of production enterprises on processing the steel pipes with different thicknesses and diameters without a plurality of equipment and low production cost.

The invention adopts the technical scheme for solving the technical problems that: the novel cold pilger mill roll gap adjusting and processing equipment comprises a base, wherein a roll seat is fixed in the base, a pair of compression rolls which are arranged up and down are connected to the roll seat in a sliding manner along the Z direction, ring-shaped pressing grooves with semicircular sections are formed in the two compression rolls, a first compression spring for pressing down an upper side compression roll is installed on the roll seat, a second compression spring for moving up a lower side compression roll is installed on the roll seat, transverse shafts are rotatably connected to the two compression rolls, gears are fixed on the two transverse shafts, openings are formed in the inner side and the outer side of the base, and compression roll adjusting devices are arranged on the two openings; the compression roller adjusting device comprises a cylinder fixed at the left of the opening, the top surfaces of the two pressing blocks are flat and are attached to the end surface of the opening, the two threaded rods are respectively in threaded connection with the two pressing blocks, and a group of insertion holes are formed in the circumferential surface of the round block and are uniformly distributed along the center of the round block; a guide pipe matched with the two compression rollers is fixed in the base. The roll seat, the press roll and the ring-shaped pressing groove have the functions of extruding steel materials into steel materials with different diameters; the first compression spring, the second compression spring, the transverse shaft, the gear and the compression roller adjusting device are used for adjusting the gap between two compression rollers, so that steel materials with different diameters can be extruded without changing equipment, the multi-purpose machine is achieved, and the cost is greatly reduced; the operating principle of the roller adjusting device here is: utilize the prying bar to insert jack department, then it is rotatory to drive the circle piece, the rotatory threaded rod that can drive both sides of circle piece rotates, because the screw thread opposite direction of the threaded rod of both sides, so can drive the left side, the pressure movable block of right side draws close each other or opens each other, thereby can drive vertical sliding block rebound or downstream, and then drive the rack and drive the gear and reciprocate, again because install the first compression spring that is used for top side pressure roller to push down on the roller seat, install the second compression spring that is used for below side pressure roller to shift up on the roller seat, so two compression rollers draw close each other or open the form each other, thereby can adjust the interval between the two rings of shape indent on two compression rollers.

Further perfect, the below of two fixed blocks is equipped with the guide block, all be equipped with between the side of two guide blocks and be the slope inclined plane of falling "eight" word, all be fixed with the spacing strip of chucking on two slope inclined planes, the left and right sides of rack is for cooperating with two inclined planes and being the cooperation inclined plane of "eight" font, all open on two cooperation inclined planes respectively with two guide strip complex chucking spacing grooves, both ends weld respectively in two guide block departments about the rack, two fixed block left and right sides all are fixed with the guide rod, it has the spliced eye together with two guide rod grafting respectively to open on two guide blocks, the left end face laminating of left side guide block is in open-ended left surface department, the right-hand member face laminating of right side guide block is in open-ended right side face department. The guide block, the inclined plane, the clamping limiting strip, the matching inclined plane and the clamping limiting groove have the functions of conveniently limiting and mounting the left side and the right side of the rack; the left end and the right end of the rack are respectively welded at the two guide blocks, so that when the left end and the right end of the rack are well installed, the guide blocks are fixed at the rack; the guide rod and the plug hole have the functions of longitudinally guiding and limiting the rack to avoid the left and right shaking of the rack; the two guide blocks are used for being installed on the left side and the right side of the rack in a non-parallel mode and fixed in a welding mode, the two guide blocks can be guided by the guide rods and limit the left side and the right side of the rack, and therefore the left limiting installation difficulty and the right limiting installation difficulty of the rack are greatly reduced.

Further perfect, the top of compression roller is equipped with along the gliding cover of "X" direction, and open the left side of cover has the breach, and breach department is equipped with the hydraulic cylinder of fixing on the base, and hydraulic cylinder's piston rod is fixed in cover department. The cover, the gap and the hydraulic oil cylinder have the effects that the cover can be conveniently and quickly opened, so that steel can be conveniently installed between the two compression rollers; when the hydraulic oil cylinder is started, the piston cylinder on the hydraulic oil cylinder can reset and drive the cover to move and open, so that the cover is laterally moved, and the working efficiency is improved.

The invention has the beneficial effects that: the extrusion device is ingenious and reasonable in structural design, the base can be used for supporting all parts, the roller seat and the compression rollers are used for extruding and thinning steel, the gap between the two compression rollers can be adjusted by the compression roller adjusting device, so that the extrusion device is convenient and efficient, the steel can be extruded and formed in different diameters in different thicknesses without multiple devices, the production cost is greatly reduced, and the large-area popularization and application are facilitated.

Drawings

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

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a third perspective view of the present invention;

FIG. 4 is a fourth perspective view of the present invention with the housing removed;

FIG. 5 is a view from perspective A of FIG. 3;

FIG. 6 is a view from perspective B of FIG. 3;

FIG. 7 is an enlarged view of a portion of the area C of FIG. 5;

FIG. 8 is a perspective view of a roller housing area of the present invention;

fig. 9 is a cross-sectional view taken along line D-D of fig. 8.

Description of reference numerals: the device comprises a base 1, a roller seat 2, a press roller 3, a first compression spring 4, a second compression spring 5, a transverse shaft 6, a gear 7, a press roller adjusting device 8, a fixed block 8-1, a longitudinal sliding block 8-2, a left inclined surface 8-2a, a right inclined surface 8-2b, a rack 8-3, a limiting concave hole 8-4, a round block 8-5, a threaded rod 8-6, a pressing block 8-7, a guide block 8-8, an inclined surface 8-8a, a guide strip 8-8b, a plug hole 8-8c, a guide rod 8-9, a guide pipe 9, a cover 10, a notch 10-1 and a hydraulic oil cylinder 11.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

with reference to the accompanying drawings: the novel cold pilger mill roll gap adjusting and processing equipment comprises a base 1, wherein a roll seat 2 is fixed in the base 1, a pair of compression rolls 3 which are arranged up and down are connected to the roll seat 2 in a sliding manner along the Z direction, ring-shaped pressing grooves 3-1 with semicircular sections are formed in the two compression rolls 3, a first compression spring 4 used for pressing the upper side compression roll 3 down is installed on the roll seat 2, a second compression spring 5 used for moving the lower side compression roll 3 up is installed on the roll seat 2, transverse shafts 6 are connected to the two compression rolls 3 in a rotating manner, gears 7 are fixed on the two transverse shafts 6, openings 1-1 are formed in the inner side and the outer side of the base 1, and compression roll adjusting devices 8 are arranged on the two openings 1-1; the compression roller adjusting device 8 comprises fixed blocks 8-1 fixed on the left side and the right side of an opening 1-1, a longitudinal sliding block 8-2 connected with the two fixed blocks 8-1 in a sliding manner is arranged between the two fixed blocks 8-1, a rack 8-3 meshed with a gear 7 is fixed on the bottom surface of the longitudinal sliding block 8-2, a left inclined surface 8-2a and a right inclined surface 8-2b are arranged on the top surface of the longitudinal sliding block 8-2, an inverted V shape is formed between the left inclined surface 8-2a and the right inclined surface 8-2b, a limiting concave hole 8-4 arranged on the longitudinal sliding block 8-2 is arranged between the left inclined surface 8-2a and the right inclined surface 8-2b, a round block 8-5 is matched on the limiting concave hole 8-4, threaded rods 8-6 are fixed at the left end and the right end of the round block, the screw directions of the two threaded rods 8-6 are opposite, the left inclined surface 8-2a and the right inclined surface 8-2b are both provided with a pressing block 8-7, the bottom surface of the left pressing block 8-7 is consistent with the inclination of the left inclined surface 8-2a, the bottom surface of the right pressing block 8-7 is consistent with the inclination of the right inclined surface 8-2b, the top surfaces of the two pressing blocks 8-7 are both flat and are attached to the end surface of the opening 1-1, the two threaded rods 8-6 are respectively in threaded connection with the two pressing blocks 8-7, and the circumferential surface of the round block 8-5 is provided with a group of jacks 8-5a uniformly distributed along the center of the round block 8-5; a guide pipe 9 matched with the two compression rollers 3 in position is fixed in the base 1.

A guide block 8-8 is arranged below the two fixed blocks 8-1, an inverted splayed inclined plane 8-8a is arranged between the side surfaces of the two guide blocks 8-8, clamping limit strips 8-8b are fixed on the two inclined planes 8-8a, the left side and the right side of the rack 8-3 are matched inclined planes 8-3a which are matched with the two inclined planes 8-8a and are in a splayed shape, clamping limit grooves 8-3b which are respectively matched with the two guide strips 8-8b are respectively arranged on the two matched inclined planes 8-3a, the left end and the right end of the rack 8-3 are respectively welded at the two guide blocks 8-8, guide rods 8-9 are fixed on the left side and the right side of the two fixed blocks 8-1, plug holes 8-8c which are respectively plugged with the two guide rods 8-9 are arranged on the two guide blocks 8-8, the left end face of the left guide block 8-8 is attached to the left side face of the opening 1-1, and the right end face of the right guide block 8-8 is attached to the right side face of the opening 1-1.

A cover 10 sliding along the X direction is arranged above the compression roller 3, a gap 10-1 is arranged on the left side of the cover 10, a hydraulic oil cylinder 11 fixed on the base 1 is arranged at the gap 10-1, and a piston rod of the hydraulic oil cylinder 11 is fixed at the cover 10.

The working principle of the invention is as follows: firstly, the steel material to be extruded and thinned reaches between the two press rolls 3 through the guide hole on the base 1 and then passes through the ring-shaped press groove 3-1 of the two press rolls 3 through the guide pipe 9, and the conveying force conveyed by the steel material passes through the ring-shaped press groove 3-1 of the two press rolls 3, because the gap between the two ring-shaped press grooves 3-1 is smaller than the diameter of the steel material, when the steel material passes through the two ring-shaped press grooves 3-1, the steel material can be extruded and thinned, and simultaneously the two press rolls 3 are driven to rotate, so that the steel material can be extruded and thinned, if the extrusion diameter of the steel material needs to be adjusted, only a prying rod is required to be inserted into the insertion hole 8-5a, then the round block 8-5 is driven to rotate, the round block 8-5 rotates to drive the threaded rods 8-6 at the two sides to rotate, and because the thread directions of the threaded rods 8-6 at the two sides, thereby driving the longitudinal sliding block 8-2 to move upwards or downwards, and as the roller seat 2 is provided with the first compression spring 4 for pressing the upper side compression roller 3 downwards and the roller seat 2 is provided with the second compression spring 5 for moving the lower side compression roller 3 upwards, the compression roller adjusting devices 8 at the two sides of the opening 1-1 adjust the rack 8-3 to move to drive the two compression rollers 3 to mutually close or open, thereby adjusting the space between the two ring-shaped compression grooves 3-1 on the two compression rollers 3 and further processing the extruded steel materials with different thickness diameters, as the rack 8-3 is meshed with the gear 7 and the rack 8-3 is limited at the opening 1-1 at the left and right, all the gears 7 can only be driven by the rack 8-3 up and down, and the gear 8-3 can not rotate, the invention can conveniently, High efficiency, can perform different-diameter thickness extrusion forming on steel without a plurality of devices, greatly reduces the production cost and is beneficial to large-area popularization and application.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. A new type cold rolling mill roll gap adjustment processing equipment, comprising a base (1), characterized in that: a roller seat (2) is fixed in the base (1), and a roller seat (2) is fixed on the roller seat (2). A pair of upper and lower pressing rollers (3) are slidably connected along the "Z" direction, and both of the pressing rollers (3) are provided with annular pressing grooves (3-1) with a semicircular cross-section. (2) A first compression spring (4) for pressing down the upper pressing roller (3) is installed, and a second compression spring for moving the lower pressing roller (3) upward is installed on the roller seat (2) (5), a transverse shaft (6) is rotatably connected to the two pressing rollers (3), and a gear (7) is fixed on both the transverse shafts (6). Openings (1-1) are opened on both outer sides, and pressure roller adjustment devices (8) are provided on both of the openings (1-1);

The pressure roller adjusting device (8) includes fixing blocks (8-1) fixed on the left and right sides of the opening (1-1), and a sliding connection between the two fixing blocks (8-1) is provided between the two fixing blocks (8-1). The longitudinal sliding block (8-2) on the fixing block (8-1), the bottom surface of the longitudinal sliding block (8-2) is fixed with a rack (8-3) engaged with the gear (7), so The top surface of the longitudinal sliding block (8-2) is provided with a left slope (8-2a) and a right slope (8-2b). "Eight"-shaped, there is a limit concave hole (8-4) opened on the longitudinal sliding block (8-2) between the left slope (8-2a) and the right slope (8-2b), so A round block (8-5) is fitted on the limiting concave hole (8-4), and threaded rods (8-6) are fixed at the left and right ends of the round block (8-5). The thread direction of (8-6) is opposite, and a pressing block (8-7) is installed on the left inclined surface (8-2a) and the right inclined surface (8-2b), and the pressing block (8-7) on the left side 7) The bottom surface of the left slope (8-2a) has the same slope, and the bottom surface of the right pressure block (8-7) has the same slope as the right slope (8-2b). The top surfaces of -7) are all flat and fit on the end surfaces of the opening (1-1), and the two threaded rods (8-6) are respectively screwed to the two pressing blocks (8-7), A group of sockets (8-5a) uniformly distributed along the center of the circular block (8-5) are provided on the circumferential surface of the circular block (8-5);

A guide tube (9) matching the position of the two pressing rollers (3) is fixed in the base (1).

2. The new type cold rolling mill roll gap adjustment and processing equipment according to claim 1, characterized in that: a guide block (8-8) is provided below the two fixed blocks (8-1), and the two guide blocks (8-1) There are inclined inclined planes (8-8a) in the shape of an inverted "eight" between the side surfaces of the blocks (8-8), and clamping limit bars (8-8a) are fixed on the two inclined inclined planes (8-8a). 8b), the left and right sides of the rack (8-3) are mating ramps (8-3a) that cooperate with the two inclined surfaces (8-8a) and are in the shape of an “eight”. 3a) are provided with clamping limit grooves (8-3b) which are respectively matched with the two guide bars (8-8b), and the left and right ends of the rack (8-3) are respectively welded to the two guide bars (8-8b). At the guide block (8-8), guide rods (8-9) are fixed on the left and right sides of the two fixing blocks (8-1), and two guide blocks (8-8) are respectively provided with guide bars (8-8). The insertion hole (8-8c) into which the two guide rods (8-9) are inserted together, and the left end face of the left guide block (8-8) is fitted on the left side of the opening (1-1). where the right end surface of the guide block (8-8) on the right side is attached to the right side surface of the opening (1-1).

3. The new type cold rolling mill roll gap adjustment processing equipment according to claim 1, characterized in that: a cover (10) sliding along the "X" direction is provided above the pressing roll (3), and the A gap (10-1) is formed on the left side of the cover (10), and a hydraulic oil cylinder (11) fixed on the base (1) is arranged at the gap (10-1). The hydraulic oil cylinder (11) The piston rod is fixed at the cover (10).