Automatic door plate jacking pipe feeding trolley of cold pilger mill

Abstract

The utility model discloses a cold pilger mill automatic door plate pipe jacking feeding trolley in the technical field of cold pilger mills, which comprises a box body, a hollow shaft is installed in the box body in a penetrating manner, and a plurality of groups of clamping blocks which are circumferentially and equidistantly arranged around the central axis of the hollow shaft are installed at one end of the hollow shaft in a sliding manner; the feeding device comprises a box body, a plurality of groups of clamping blocks are arranged on the box body, a driving part for controlling the plurality of groups of clamping blocks to synchronously move along the radial direction of the hollow shaft is arranged at the top of the box body, assembling parts for connecting external transmission screw rods are arranged on two sides of the box body, and each clamping block comprises a sliding block which is in sliding connection with the hollow shaft. In the prior art, the friction between the pipe and the door plate can generate scratches to cause defective goods to influence the yield, the automation degree is lower, more manual intervention is often needed, the labor intensity is increased, the production efficiency and the product quality are possibly influenced by manual operation errors, the operation stability of the structure is poorer, the service life of the equipment is short, the maintenance cost is high, and the production cost is low. And the use by people is not facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolling tube machine technical field, specifically a kind of cold rolling tube machine automatic door plate pipe pushing trolley. BACKGROUND

[0002] Cold rolling tube machine has important application in metal pipe processing industry, it can produce high-precision, high-quality metal pipe, in the working process of cold rolling tube machine, pipe feeding device is crucial.

[0003] The existing cold rolling tube machine feeding device when in use, pipe and door plate friction can produce scratch and cause defective product to affect yield, and the degree of automation is lower, often need more manual intervention, this not only increases labor intensity, also can be influenced production efficiency and product quality due to human operation error, the running stability of structure is also poor, the service life of equipment is short, maintenance cost is high, it is not favorable for people's use, therefore, the technical personnel in the art provide a kind of cold rolling tube machine automatic door plate pipe pushing trolley to solve the problems raised in the above background technical. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of cold rolling tube machine automatic door plate pipe pushing trolley to solve the problems raised in the above background technical.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cold rolling tube machine automatic door plate pipe pushing trolley, including box, hollow shaft is installed in the box and penetrates, the one end of the hollow shaft is slidably installed with multiple groups of clamping blocks that are arranged in equidistance around the axis of the hollow shaft, the top of box is equipped with the driving element for controlling the synchronous movement of multiple groups of clamping blocks along the radial direction of hollow shaft, and the two sides of box are each provided with assembly part for connecting external transmission screw rod.

[0006] Preferably, the clamping block includes a sliding block connected to the hollow shaft, and the side of the sliding block away from the center of the hollow shaft is a slope, and a clamping plate is welded on the slope of the sliding block and embedded in the driving element.

[0007] Preferably, the driving element includes an adjusting cylinder detachably installed on the top of the box, the output end of the adjusting cylinder is detachably connected with a push plate, and the push plate is installed with a clamping sleeve slidably connected with multiple groups of sliding blocks and clamping plates.

[0008] Preferably, the hollow shaft is rotatably connected to the box through a bearing, and the push plate is rotatably connected to the clamping sleeve through a bearing.

[0009] Preferably, the sliding groove in the hollow shaft for the sliding block extends to one end of the hollow shaft, and an end cover abutting against the side surface of the sliding block is detachably installed on the end of the hollow shaft with the sliding groove.

[0010] Preferably, two groups of symmetrical guide columns are welded on the side of the box body close to the push plate, and a guide bearing in sliding connection with the guide columns is fixedly installed on the push plate.

[0011] Preferably, the assembly includes two mounting boxes integrally formed on both sides of the box body, and a nut in upper and lower butt joint is bolted on one end of each of the two groups of mounting boxes, and the nut is used for threaded connection with an external transmission screw rod.

[0012] Preferably, an L-shaped sliding plate is bolted on each corner of the mounting box.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、In the utility model, the displacement of the clamping block inside the hollow shaft can improve the feeding accuracy of the pipe, avoid scratches caused by the friction between the pipe and the door plate, save labor, and accurately control the running speed of the trolley, the opening and closing of the door plate, the pipe top feeding force and the stroke and other parameters through an external control system, thereby improving the feeding accuracy of the pipe and greatly improving the processing quality and yield of the pipe.

[0015] The device has high automation, and an operator can input pipe and processing parameters on a man-machine interface, so that the trolley can automatically complete the door plate clamping and pipe top feeding, reduces manual intervention, reduces labor intensity, and avoids the influence of human operation errors on production efficiency and product quality.

[0016] The strength structure design of the box body, the precision driving system, the reliable door plate clamping device and pipe top feeding device, and the cooperative action of the auxiliary supporting device ensure the stability and reliability of the trolley during operation, prolong the service life of the equipment, and reduce the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 Fig. 1 is a first schematic view of the overall structure of the utility model;

[0018] Fig. 2 Fig. 2 is a second schematic view of the overall structure of the utility model.

[0019] In the figure: 1, box body; 2, hollow shaft; 3, sliding block; 4, clamping plate; 5, adjusting cylinder; 6, push plate; 7, clamping sleeve; 8, end cover; 9, guide column; 10, guide bearing; 11, mounting box; 12, nut; 13, L-shaped sliding plate. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figs. 1-2 In the embodiments of the present application, the automatic door plate pipe pushing trolley of the cold rolling pipe machine comprises a box body 1, a hollow shaft 2 is installed through the box body 1, a plurality of clamping blocks arranged at equal distances in a circle around the axis of the hollow shaft 2 are slidably installed on one end of the hollow shaft 2, a driving member for synchronously moving the plurality of clamping blocks radially along the hollow shaft 2 is installed on the top of the box body 1, and an assembling member for connecting an external transmission screw rod is arranged on each side of the box body 1.

[0022] The box body 1 can be assembled by steel plates. When the device is in use, the device is installed on a conveying equipment with a transmission screw rod through the two assembling members. The control system of the external conveying equipment can be composed of a programmable logic controller (PLC), a human-machine interface (HMI), a sensor and a control circuit, etc., and is used for remotely and intelligently controlling the operation of the pushing trolley. The cold rolling pipe to be transferred can be inserted into the hollow shaft 2. The driving member is started to drive the clamping blocks to displace and clamp the cold rolling pipe. The external conveying equipment drives the pushing trolley to move, and the pushing trolley can drive the cold rolling pipe clamped therein to be transferred.

[0023] The clamping block comprises a sliding block 3 slidably connected with the hollow shaft 2. The side of the sliding block 3 away from the center of the hollow shaft 2 is a slope. A clamping plate 4 slidably embedded in the inside of the driving member is welded on the slope of the sliding block 3, so as to facilitate the movement of the driving member along the radial direction of the hollow shaft 2.

[0024] Specifically, the driving member comprises an adjusting cylinder 5 detachably installed on the top of the box body 1. The output end of the adjusting cylinder 5 is detachably connected with a push plate 6. The push plate 6 is installed with a clamping sleeve 7 slidably connected with the plurality of sliding blocks 3 and clamping plates 4. The adjusting cylinder 5 is started to drive the push plate 6 and the clamping sleeve 7 to move. The clamping sleeve 7 can drive the plurality of clamping blocks to contract and expand. The adjusting cylinder 5 is installed on the box body 1. The push plate 6 can be made of high-strength carbon steel, which has the characteristics of easy processing and high strength. The clamping sleeve 7 can be surface heat treated. The clamping sleeve 7 contracts the camber surface to drive the clamping blocks to move. The hollow shaft 2 can freely pass through the middle of the clamping blocks during the pushing process.

[0025] The action of the adjusting cylinder 5 can be controlled by a control system, and the stroke can be controlled according to the size of the pipe to adjust the opening and closing size of the adjusting slider 3, wherein the hollow shaft 2 is rotatably connected with the box body 1 through bearings, and the push plate 6 is rotatably connected with the clamping sleeve 7 through bearings, so that the pipe can be rotated during operation, and the flexibility of the pipe feeding is improved.

[0026] Further, the sliding groove in the hollow shaft 2 for the sliding block 3 extends to one end of the hollow shaft 2, and the end cover 8 abutting against the side surface of the sliding block 3 is detachably installed on the end of the hollow shaft 2 provided with the sliding groove, and the clamping block can be taken out from the hollow shaft 2 by detaching the end cover 8, so that the disassembly of the components is facilitated, and the flexibility of the device assembly is improved.

[0027] Two groups of symmetrical guide columns 9 are welded on the side of the box body 1 close to the push plate 6, and the guide bearing 10 is fixedly installed on the push plate 6 and slidably connected with the guide column 9, and the guide assembly is composed of the guide column 9 and the guide bearing 10. The guide column 9 is made of high-strength alloy steel and has sufficient strength and rigidity, so as to bear the thrust generated during the pipe top feeding. The guide column 9 is installed on the mounting position of the box body 1 and in contact with the end of the box body 1, so as to ensure that the top feeding force can be uniformly applied. The guide bearing 10 is a national standard part, and the guide assembly can make the clamping sleeve 7 run more stably.

[0028] In one embodiment, specifically, the assembly includes the mounting boxes 11 integrally formed on both sides of the box body 1, and one end of each of the two groups of mounting boxes 11 is provided with the upper and lower butt-jointed nuts 12 through bolts. The nuts 12 are used for threadedly connecting external transmission screws, the transmission screws are threadedly connected with the nuts 12, the stability and reliability of the power transmission are ensured, the transmission screws transmit power to the nuts 12, the nuts 12 are fixed on the trolley frame and stably and smoothly run, and the upper and lower detachable nuts 12 facilitate the flexible assembly of the trolley and the transmission screws. The two corners of the mounting box 11 are provided with the L-shaped sliding plates 13 through bolts, and the L-shaped sliding plates 13 can be installed on the sliding rails of the equipment frame, so as to further improve the stability of the feeding trolley running.

[0029] The above describes only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An automatic door panel jacking trolley for cold rolling mill, characterized by: The invention comprises a box body (1), a hollow shaft (2) is installed through the box body (1), a plurality of groups of clamping blocks arranged equidistantly around the central axis thereof are slidably installed on one end of the hollow shaft (2), a driving member for controlling the synchronous radial movement of the plurality of groups of clamping blocks along the hollow shaft (2) is installed on the top of the box body (1), and an assembly member for connecting an external transmission screw is provided on both sides of the box body (1).

2. The automatic door panel jacking pipe feeding trolley for a cold rolling mill according to claim 1, characterized in that: The clamping block comprises a slider (3) slidably connected to the hollow shaft (2); a side of the slider (3) away from the center of the hollow shaft (2) is an inclined surface; a clamping plate (4) slidably embedded in the interior of the driving member is welded on the inclined surface of the slider (3).

3. The automatic door panel jacking pipe feeding trolley for a cold rolling mill according to claim 2, characterized in that: The driving member comprises an adjusting cylinder (5) detachably mounted on the top of the box (1); an output end of the adjusting cylinder (5) is detachably connected to a push plate (6); and a clamping sleeve (7) is mounted on the push plate (6) and is slidably connected to multiple groups of sliders (3) and clamping plates (4).

4. The automatic door panel jacking tube feeding trolley for a cold rolling mill according to claim 3, characterized in that: The hollow shaft (2) is rotatably connected to the housing (1) via a bearing, and the push plate (6) is rotatably connected to the clamping sleeve (7) via a bearing.

5. The automatic door panel jacking pipe feeding trolley for a cold rolling mill according to claim 3, characterized in that: The sliding groove for the slider (3) to slide in the hollow shaft (2) extends to one end thereof, and an end cover (8) abutting against the side of the slider (3) is detachably mounted on the end of the hollow shaft (2) where the sliding groove is provided.

6. The automatic door panel jacking pipe feeding trolley for a cold rolling mill according to claim 3, characterized in that: Two groups of symmetrical guide columns (9) are welded on one side of the box body (1) close to the push plate (6), and a guide bearing (10) is fixedly mounted on the push plate (6) and is slidably connected to the guide columns (9).

7. The automatic door panel jacking pipe feeding trolley for a cold rolling mill according to any one of claims 1 to 6, characterized in that: The assembly comprises mounting boxes (11) integrally formed on both sides of the box body (1), and one end of each of the two sets of mounting boxes (11) is provided with nuts (12) formed by upper and lower butt joints, which are fixed by bolts. The nuts (12) are used for threaded connection with an external transmission screw.

8. The automatic door panel jacking pipe feeding trolley for a cold rolling mill according to claim 7, characterized in that: L-shaped slide plates (13) are installed at both corners of the installation box (11) through bolts.

Images