Pipe drawing device for cold drawing machine
By designing support, cooling, and transmission components, the problems of uneven stress and heat accumulation during the cold drawing process were solved, achieving stable processing of steel pipes and protection of the mold, thereby improving the processing qualification rate and extending the mold life.
Patent Information
- Application Number
- CN202423150089.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing cold drawing machines suffer from uneven stress during the tube drawing process, leading to the steel tube tilting and bending, as well as the generation of a large amount of heat due to friction that cannot be dissipated quickly, affecting the processing qualification rate and mold life.
The design incorporates support components, cooling components, and transmission components. Coolant quickly removes heat, while lubricant reduces frictional heat. A level is used to detect the tilt of the moving seat, and circular guide rails prevent uneven force distribution, thus improving the stability of steel pipe processing.
It effectively prevents steel pipes from tilting and bending, improves the processing qualification rate, reduces mold damage, and lowers manufacturing costs.
Smart Images

Figure CN223518303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipe drawing device technical field, specifically relates to pipe drawing device for cold drawing mill. BACKGROUND
[0002] Cold drawing mill is the main processing equipment of cold-drawing steel pipe, is used for normal temperature under the drawing metal bar material and the second processing to the hot-rolled, extruded after the rough pipe, is the main processing equipment of producing small caliber, precision, thin wall, high mechanical property pipe.
[0003] But the existing cold drawing mill in the processing of steel pipe, because the pipe drawing device is drawn by the power device, the force may be uneven, leading to the phenomenon of easy to appear in the steel pipe processing process inclined bending, seriously affected the processing qualified rate, and the steel pipe is stretched, the friction between the steel pipe and the die produces a large amount of heat and cannot be quickly dissipated, which will cause the die to be damaged, increase the manufacturing cost, inconvenient to promote the use.
[0004] The present application provides a pipe drawing device for cold drawing mill to solve the problem. UTILITY MODEL CONTENTS
[0005] The utility model discloses a pipe drawing device for cold drawing mill to solve the problem of uneven force of the pipe drawing device when being drawn and a large amount of heat generated when the steel pipe is stretched, which cannot be quickly dissipated, the phenomenon of easy to appear in the steel pipe processing process inclined bending and the die damage, and the use effect is poor.
[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0007] The pipe drawing device for cold drawing mill comprises a supporting assembly, a cooling assembly, a transmission assembly and a pipe drawing assembly, the transmission assembly is fixedly installed on one side of the supporting assembly, the cooling assembly is fixedly installed at one end of the supporting assembly, the supporting assembly comprises a supporting seat and a fixed block, the fixed block is fixedly installed at the top of the supporting seat, the cooling assembly comprises a cooling pipeline, the cooling pipeline is arranged in the fixed block, the transmission assembly comprises a driving motor and a speed reducer, the speed reducer is fixedly installed at one end of the driving motor, the pipe drawing assembly comprises a moving seat and a circular guide rail, and the circular guide rail is slidably installed on the two sides of the moving seat.
[0008] The further improvement of the technical scheme of the utility model is that the bottom of the supporting seat is fixedly installed with supporting legs, one side of the supporting seat is fixedly installed with a motor support, and the driving motor is fixedly installed at the top of the motor support.
[0009] The further improvement in the utility model technical scheme lies in that: the inside of the fixed block is fixedly installed with a mold, one side of the fixed block is provided with a cooling liquid inlet, one side of the fixed block is provided with a cooling liquid outlet, one side of the fixed block is provided with a lubricating liquid inlet, and the other end of the lubricating liquid inlet is fixedly connected with a lubricating liquid pipeline.
[0010] The further improvement in the utility model technical scheme lies in that: one end of the supporting base is provided with a waste liquid collecting groove, and both sides of the inside of the supporting base are fixedly installed with guide rail seats.
[0011] The further improvement in the utility model technical scheme lies in that: the other end of the speed reducer is fixedly installed with a rotating shaft, the outside of the rotating shaft is movably connected with a driving belt, and the moving seat is fixedly installed on the outside of the driving belt.
[0012] The further improvement in the utility model technical scheme lies in that: the top of the moving seat is fixedly installed with a shell, the top of the shell is fixedly installed with a level, and the inside of the shell is fixedly installed with a connecting shaft.
[0013] The further improvement in the utility model technical scheme lies in that: the outside of the connecting shaft is rotatably installed with a clamping jaw, the outside of the clamping jaw is provided with a hydraulic cylinder, the back of the shell is threadedly installed with a hydraulic pump, and both sides of the hydraulic pump are provided with oil pipes.
[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:
[0015] 1. The pipe drawing device for a cold drawing machine is characterized in that: when the transmission assembly drives the moving seat through the driving belt, the clamping jaw grabs the steel pipe and passes through the mold, the level above the shell can detect the horizontal angle of the moving seat, so that the staff can timely find out whether the moving seat is inclined, the circular guide rails are arranged on both sides of the moving seat and can prevent the steel pipe from being inclined and bent due to uneven force, and the processing qualified rate is improved.
[0016] 2. The pipe drawing device for a cold drawing machine is characterized in that: under the joint action of the fixed block, the cooling pipeline and the lubricating liquid pipeline, the cooling liquid is sent into the inside of the cooling pipeline through the cooling liquid inlet, the cooling liquid quickly takes away the heat generated in the processing process, the cooling liquid after cooling is led out through the cooling liquid outlet, the steel pipe can be lubricated through the lubricating liquid pipeline, the heat generated by friction is reduced, and the lubricating oil after lubrication is recycled through the waste liquid collecting groove. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the pipe drawing device for a cold drawing machine.
[0018] Figure 2 It is the structure schematic view of the pipe drawing assembly of the utility model;
[0019] Figure 3 It is the structure schematic view of the cooling assembly of the utility model;
[0020] Figure 4 It is the internal structure schematic view of the pipe drawing assembly of the utility model.
[0021] In the figure: 1, support assembly; 2, cooling assembly; 3, transmission assembly; 4, pipe drawing assembly; 10, support seat; 11, support leg; 12, motor support; 13, fixed block; 14, mould; 15, guide rail seat; 20, cooling liquid inlet; 21, cooling liquid outlet; 22, cooling pipeline; 23, lubricating liquid inlet; 24, lubricating liquid pipeline; 25, waste liquid collecting groove; 30, driving motor; 31, speed reducer; 32, rotating shaft; 33, driving belt; 40, moving seat; 41, circular guide rail; 42, shell; 43, clamping claw; 44, level meter; 45, hydraulic pump; 46, oil pipe; 47, hydraulic cylinder; 48, connecting shaft. DETAILED DESCRIPTION
[0022] The utility model will be further explained in detail in connection with the following examples:
[0023] As Figures 1-4 shown, the utility model provides pipe drawing device for cold drawing machine, including support assembly 1, cooling assembly 2, transmission assembly 3 and pipe drawing assembly 4, transmission assembly 3 fixedly installed at one side of support assembly 1, cooling assembly 2 fixedly installed at one end of support assembly 1, support assembly 1 includes support seat 10 and fixed block 13, fixed block 13 fixedly installed at the top of support seat 10, the bottom of support seat 10 is fixedly installed with support leg 11, one side of support seat 10 is fixedly installed with motor support 12, and both sides in the inside of support seat 10 are fixedly installed with guide rail seat 15.
[0024] The cooling assembly 2 comprises a cooling pipe 22 arranged in the interior of the fixed block 13, the mold 14 is fixedly installed in the interior of the fixed block 13, the cooling liquid inlet 20 is arranged on one side of the fixed block 13, the cooling liquid outlet 21 is arranged on one side of the fixed block 13, the lubricating liquid inlet 23 is arranged on one side of the fixed block 13, the lubricating liquid pipe 24 is fixedly connected to the other end of the lubricating liquid inlet 23, the waste liquid collecting groove 25 is arranged on one end of the support seat 10 close to the fixed block 13, a large amount of heat is generated between the steel pipe and the mold 14 during the pulling-out process, the cooling liquid is sent into the interior of the cooling pipe 22 through the cooling liquid inlet 20, so that the cooling liquid quickly takes away the heat generated during the processing, the cooled cooling liquid is led out through the cooling liquid outlet 21, the steel pipe can be lubricated through the lubricating liquid pipe 24, so that the heat generated by friction is reduced, and the lubricated lubricating oil is recycled through the waste liquid collecting groove 25.
[0025] The transmission assembly 3 comprises a driving motor 30 and a speed reducer 31, the driving motor 30 is fixedly installed on the top of the motor support 12, the speed reducer 31 is fixedly installed on one end of the driving motor 30, the rotating shaft 32 is fixedly installed on the other end of the speed reducer 31, the driving belt 33 is movably connected to the outside of the rotating shaft 32, and the moving seat 40 is fixedly installed on the outside of the driving belt 33. First, the raw material to be processed passes through the mold 14, and then the raw material is clamped by the clamping jaw 43 and the hydraulic cylinder 47, and then the driving belt 33 is driven by the driving motor 30 and the speed reducer 31, and then the moving seat 40 is driven by the driving belt 33 to move, so that the raw material is pulled out of the mold 14.
[0026] The pipe pulling assembly 4 comprises a moving seat 40 and a circular guide rail 41, the circular guide rail 41 is slidably installed on the two sides of the moving seat 40, the circular guide rail 41 is fixedly installed in the interior of the guide rail seat 15, the outer shell 42 is fixedly installed on the top of the moving seat 40, the level 44 is fixedly installed on the top of the outer shell 42, the connecting shaft 48 is fixedly installed in the interior of the outer shell 42, the clamping jaw 43 is rotatably installed on the outside of the connecting shaft 48, the hydraulic cylinder 47 is arranged on the outside of the clamping jaw 43, the hydraulic pump 45 is screwedly installed on the back of the outer shell 42, the oil pipe 46 is arranged on the two sides of the hydraulic pump 45, and the hydraulic pump 45 is connected with the hydraulic cylinder 47 through the oil pipe 46. When the driving motor 30 drives the moving seat 40 through the driving belt 33, the level 44 above the outer shell 42 can detect the horizontal angle of the moving seat 40, so that the staff can timely find whether the moving seat 40 is inclined, the circular guide rail 41 is arranged on the two sides of the moving seat 40, which can prevent the steel pipe from being inclined and bent due to uneven force, and the processing qualified rate is improved.
[0027] The working principle of the pipe pulling device of the cold-drawing machine will be described below.
[0028] As Figures 1-4As shown, in use of the device, first, the raw material to be processed is passed through the mold 14, then the raw material is clamped by the clamping jaw 43 and the hydraulic cylinder 47, then the driving belt 33 is driven by the driving motor 30 and the speed reducer 31, then the moving seat 40 is moved by the driving belt 33, the raw material is pulled out of the mold 14, when the moving seat 40 is driven by the driving belt 33, the level 44 above the shell 42 can detect the horizontal angle of the moving seat 40, so that the staff can find whether the moving seat 40 is inclined in time, the circular guide rail 41 is arranged on both sides of the moving seat 40, which can prevent the steel pipe from being inclined and bent due to uneven force, and the processing qualified rate is improved, a large amount of heat is generated between the steel pipe and the mold 14 during the pulling-out process, the cooling liquid is sent into the cooling pipeline 22 through the cooling liquid inlet 20, so that the cooling liquid can quickly take away the heat generated during the processing, the cooled cooling liquid is discharged through the cooling liquid outlet 21, the steel pipe can be lubricated through the lubricating liquid pipeline 24, the heat generated by friction is reduced, and the lubricating oil after lubrication is recycled through the waste liquid collecting groove 25.
[0029] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. A pipe drawing device for a cold drawing machine, comprising a support assembly (1), a cooling assembly (2), a transmission assembly (3) and a pipe drawing assembly (4), characterized in that: The transmission assembly (3) is fixedly installed on one side of the support assembly (1), the cooling assembly (2) is fixedly installed on one end of the support assembly (1), the support assembly (1) comprises a support seat (10) and a fixed block (13), the fixed block (13) is fixedly installed on the top of the support seat (10), the cooling assembly (2) comprises a cooling pipeline (22), the cooling pipeline (22) is arranged in the fixed block (13), the transmission assembly (3) comprises a driving motor (30) and a speed reducer (31), the speed reducer (31) is fixedly installed on one end of the driving motor (30), the pull pipe assembly (4) comprises a moving seat (40) and a circular guide rail (41), the circular guide rail (41) is slidably installed on both sides of the moving seat (40).
2. A tube drawing apparatus for a tube drawing machine according to claim 1, characterized in that: The bottom of the support seat (10) is fixedly installed with a support leg (11), one side of the support seat (10) is fixedly installed with a motor support (12), and the driving motor (30) is fixedly installed on the top of the motor support (12).
3. A tube drawing apparatus for a tube drawing machine according to claim 1, characterized in that: The inside of the fixed block (13) is fixedly installed with a mold (14), one side of the fixed block (13) is provided with a cooling liquid inlet (20), one side of the fixed block (13) is provided with a cooling liquid outlet (21), one side of the fixed block (13) is provided with a lubricating liquid inlet (23), and the other end of the lubricating liquid inlet (23) is fixedly connected with a lubricating liquid pipeline (24).
4. The tube drawing apparatus for a tube drawing machine according to claim 1, characterized by: One end of the support seat (10) is provided with a waste liquid collecting groove (25), and the inside of the support seat (10) is fixedly installed with guide rail seats (15) on both sides.
5. The tube drawing apparatus for a tube drawing machine according to claim 1, characterized by: The other end of the speed reducer (31) is fixedly installed with a rotating shaft (32), the outer portion of the rotating shaft (32) is movably connected with a driving belt (33), and the moving seat (40) is fixedly installed on the outer portion of the driving belt (33).
6. The tube drawing apparatus for a tube drawing machine according to claim 1, characterized by: The top of the moving seat (40) is fixedly installed with a shell (42), the top of the shell (42) is fixedly installed with a level (44), and the inside of the shell (42) is fixedly installed with a connecting shaft (48).
7. A tube drawing apparatus for a tube drawing machine according to claim 6, characterized in that: The outer portion of the connecting shaft (48) is rotatably installed with a clamping jaw (43), the outer portion of the clamping jaw (43) is provided with a hydraulic cylinder (47), the back of the shell (42) is threadedly installed with a hydraulic pump (45), and the two sides of the hydraulic pump (45) are provided with oil pipes (46).