CN210208120U

CN210208120U - Drawing trolley

Info

Publication number: CN210208120U
Application number: CN201920993019.9U
Authority: CN
Inventors: Jiqing Ma; 马际青; Zhifeng Hao; 郝智峰; Chenghao Zhao; 赵程浩; Yan Zhou; 周研
Original assignee: Taiyuan Hengxin Koda Heavy Industry Complete Equipment Co ltd; Taiyuan University of Science and Technology
Current assignee: Taiyuan Hengxin Koda Heavy Industry Complete Equipment Co ltd; Taiyuan University of Science and Technology
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-31
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a draw dolly belongs to drawbench auxiliary device technical field, the solution is drawn the dolly and is gone up the clamp structure complicacy, life is lower, the technical problem that production efficiency is low, this device includes the automobile body, the wheel, roll pipe clamp and dolly tail hook, the wheel sets up in the below of automobile body, it sets up in the head end of automobile body to press from both sides the pipe clamp, dolly tail hook sets up in the tail end of automobile body, roll the pipe clamp including pressing from both sides the pincers seat, ejector pin and depression bar, treat that the tubular product of drawing clamps on pressing from both sides the pincers seat, dolly tail hook sets up to the C font, the opening direction of dolly tail hook is the same with the drawing direction of automobile body, insert the chain mounting panel in the opening of dolly tail, the chain connection piece is installed respectively at the both ends of chain, the both. The utility model discloses clamp simple structure, life is high, draws the dolly and dismantles the maintenance easily, has guaranteed that tubular product draws the production efficiency of production.

Description

Drawing trolley

Technical Field

The utility model belongs to the technical field of drawbench auxiliary device, concretely relates to draw dolly.

Background

The pipe is a common section bar in people's life, and the cold drawing steel tube production technology is the common technology of pipe shaping, and the cold drawing machine that is used for processing metal pipe uses the drawing dolly that sets up at same horizontal plane usually, realizes drawing and feeding to pipe through drawing dolly reciprocating motion, and in reciprocating motion, through the realization to the centre gripping of pipe of controlling the opening and shutting of the clamp on drawing the dolly.

The clamp structure on the drawing trolley in the prior art is complex, the clamp is frequently used in the actual production process, the service life is short, and the production efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, an object of the utility model is to provide a draw dolly can realize that tubular product draws quick, the stable clamping of in-process.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a draw dolly, it includes automobile body, wheel, rolls a tub clamp and dolly tail hook, the wheel sets up in the below of automobile body, press from both sides a tub clamp and set up in the head end of automobile body, dolly tail hook sets up in the tail end of automobile body, wherein:

the pipe rolling clamp comprises a clamp seat, an ejector rod, a pressure rod, a push rod and a clamp, a pipe to be drawn is clamped on the clamp seat, one end of the pressure rod is hinged above the clamp seat, the middle part of the pressure rod is vertically and downwards hinged with the push rod, the lower end part of the push rod extends into the clamp seat, the lower end part of the push rod is round-head-shaped, and a sliding pit is arranged on the clamp corresponding to the round head; the ejector rod comprises a spring cylinder and an air cylinder, the spring cylinder is installed in the clamp base and close to one side of the head end of the vehicle body, and a spring is arranged between the spring cylinder and the inner side wall of the clamp base; the spring cylinder is arranged in the clamp seat and is far away from one side of the head end of the vehicle body, the air cylinder and the spring cylinder are oppositely arranged, and the axial direction of the air cylinder is collinear with the axial direction of the spring cylinder;

the dolly tail hook sets up to the C font, and the opening direction of dolly tail hook is the same with the drawing direction of automobile body, inserts the chain mounting panel in the opening of dolly tail hook, and the chain connection piece is installed respectively at the both ends of chain mounting panel, and the both sides at the chain connection piece are installed respectively at the head and the tail both ends of chain.

Furthermore, a raised head is arranged on the cylinder at the contact position of the cylinder and the side wall of the push rod, and a limit pit is arranged on the push rod corresponding to the raised head.

Furthermore, the chain mounting plate is detachably mounted on the tail hook of the trolley through a positioning pin, and the longitudinal section of the chain mounting plate is W-shaped; the chain connecting sheet is arranged on the chain mounting plate through a pin shaft.

Furthermore, at least 5 stations for clamping the pipe to be drawn are arranged on the clamp seat in parallel.

The use method of the drawing trolley is characterized by comprising the following steps: after the drawing trolley is installed, the spring cylinder pushes out the push rod, the push rod pulls the clamp to open, the head of the cold-drawn steel pipe extends into the clamp, the cylinder ventilates to push the push rod to move, the clamp is pulled to close and clamp the pipe to be drawn, and the vehicle body finishes drawing the pipe to be drawn under the traction action of the chain.

The utility model has the advantages that: the clamp on the drawing trolley is simple in structure and long in service life, the drawing trolley is easy to disassemble and maintain, and the production efficiency of pipe drawing production is guaranteed.

Drawings

FIG. 1 is a schematic view of a drawing carriage;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along plane C-C in FIG. 1;

FIG. 4 is a schematic top view of the structure of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken along plane B-B in FIG. 4;

FIG. 6 is a partially enlarged structural view of a clamp base of the pipe rolling clamp of FIG. 5 in a closed state;

FIG. 7 is a partially enlarged structural view of a clamp base of the pipe rolling clamp of FIG. 5 in an open state;

fig. 8 is a left side view of the structure of fig. 1.

In the figure: the pipe rolling clamp comprises a vehicle body 1, wheels 2, a pipe rolling clamp 3, a clamp seat 31, a push rod 32, a spring cylinder 321, an air cylinder 322, a pressure rod 33, a push rod 34, a clamp 35, a trolley tail hook 4, a chain mounting plate 41, a chain connecting plate 42 and a chain 43.

Detailed Description

The present invention will be described below with reference to examples.

As shown in figures 1-8, the application provides a drawing trolley which can realize rapid and stable clamping in the process of drawing a pipe.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a draw dolly, it includes automobile body 1, wheel 2, rolls pipe clamp 3 and dolly tail hook 4, wheel 2 sets up in the below of automobile body 1, it sets up in the head end of automobile body 1 to press from both sides pipe clamp 3, dolly tail hook 4 sets up in the tail end of automobile body 1, wherein:

the pipe rolling clamp 3 comprises a clamp seat 31, an ejector rod 32, a pressure lever 33, a push rod 34 and a clamp 35, a pipe to be drawn is clamped on the clamp seat 31, one end of the pressure lever 33 is hinged above the clamp seat 31, the middle part of the pressure lever 33 is vertically hinged downwards to the push rod 34, the lower end part of the push rod 34 extends into the clamp seat 31, the lower end part of the push rod 34 is round-head-shaped, and a sliding pit is arranged on the clamp 35 corresponding to the round-head position; the ejector rod 32 comprises a spring cylinder 321 and an air cylinder 322, the spring cylinder 321 is installed in the clamp base 31 and close to one side of the head end of the vehicle body 1, and a spring is arranged between the spring cylinder 321 and the inner side wall of the clamp base 31; the spring cylinder 321 is installed in the clamp seat 31 and is far away from one side of the head end of the vehicle body 1, the air cylinder 322 and the spring cylinder 321 are oppositely arranged, and the axial direction of the air cylinder 322 is collinear with the axial direction of the spring cylinder 321;

dolly tail hook 4 sets up to the C font, and the opening direction of dolly tail hook 4 is the same with the drawing direction of automobile body 1, inserts chain mounting panel 41 in the opening of dolly tail hook 4, and chain connection piece 42 is installed respectively at the both ends of chain mounting panel 41, and the both sides at chain connection piece 42 are installed respectively at the head and the tail both ends of chain 43.

Furthermore, a raised head is arranged on the cylinder 322 at the contact position of the cylinder 322 and the side wall of the push rod 34, and a limit pit is arranged on the push rod 34 corresponding to the raised head.

Further, the chain mounting plate 41 is detachably mounted on the tail hook 4 of the trolley through a positioning pin, and the longitudinal section of the chain mounting plate 41 is W-shaped; the chain connecting piece 42 is mounted on the chain mounting plate 41 by a pin.

Further, at least 5 stations for clamping the pipe to be drawn are arranged on the clamp seat 31 in parallel.

The utility model discloses a use as follows:

a use method of a drawing trolley comprises the following steps: after the device is installed, the spring cylinder 321 pushes the push rod 34 out, the push rod 34 stirs the clamp 35 to open, after the head of the steel pipe with cold drawing stretches into the clamp 35, the air cylinder 322 ventilates to push the push rod 34 to move, the clamp 35 is stirred to close to clamp the pipe to be drawn, and the drawing of the pipe to be drawn is completed by the vehicle body 1 under the traction action of the chain 43.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a draw dolly, it includes automobile body (1), wheel (2), rolls pipe clamp (3) and dolly tail hook (4), wheel (2) set up in the below of automobile body (1), roll pipe clamp (3) and set up in the head end of automobile body (1), dolly tail hook (4) set up in the tail end of automobile body (1), its characterized in that:

the pipe rolling clamp (3) comprises a clamp seat (31), an ejector rod (32), a pressure lever (33), a push rod (34) and a clamp (35), a pipe to be drawn is clamped on the clamp seat (31), one end of the pressure lever (33) is hinged above the clamp seat (31), the middle of the pressure lever (33) is vertically hinged downwards to the push rod (34), the lower end of the push rod (34) extends into the clamp seat (31), the lower end of the push rod (34) is in a round head shape, and a sliding pit is arranged on the clamp (35) corresponding to the round head; the ejector rod (32) comprises a spring cylinder (321) and an air cylinder (322), the spring cylinder (321) is installed in the clamp base (31) and close to one side of the head end of the vehicle body (1), and a spring is arranged between the spring cylinder (321) and the inner side wall of the clamp base (31); the spring cylinder (321) is arranged in the clamp seat (31) and is far away from one side of the head end of the vehicle body (1), the air cylinder (322) and the spring cylinder (321) are arranged oppositely, and the axial direction of the air cylinder (322) is collinear with the axial direction of the spring cylinder (321);

dolly tail hook (4) set up to the C font, and the opening direction of dolly tail hook (4) is the same with the drawing direction of automobile body (1), inserts chain mounting panel (41) in the opening of dolly tail hook (4), and chain connection piece (42) are installed respectively at the both ends of chain mounting panel (41), and the both sides at chain connection piece (42) are installed respectively at the head and the tail both ends of chain (43).

2. Drawing carriage as claimed in claim 1, characterized in that: a raised head is arranged on the cylinder (322) at the position where the cylinder (322) is in contact with the side wall of the push rod (34), and a limit pit is arranged on the push rod (34) corresponding to the position of the raised head.

3. Drawing carriage as claimed in claim 1, characterized in that: the chain mounting plate (41) is detachably mounted on the tail hook (4) of the trolley through a positioning pin, and the longitudinal section of the chain mounting plate (41) is W-shaped; the chain connecting piece (42) is arranged on the chain mounting plate (41) through a pin shaft.

4. Drawing carriage as claimed in claim 1, characterized in that: at least 5 stations for clamping the pipe to be drawn are arranged on the clamp seat (31) in parallel.