CN211071301U

CN211071301U - Belt drawing machine

Info

Publication number: CN211071301U
Application number: CN201920977138.5U
Authority: CN
Inventors: 凌雪刚; 张建兵
Original assignee: Suzhou In Order Intelligent Equipment Co ltd
Current assignee: Suzhou In Order Intelligent Equipment Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-07-24
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a belt drawing machine, the drawing machine includes the frame, locate the upper belt pulley subassembly that has the upper belt and the lower belt pulley subassembly that has the lower belt in the frame, locate the upper top pushing mechanism and the lower pushing mechanism that are used for promoting respectively in the frame and press from both sides tight metal tubular product after one side that the lower belt is adjacent is drawn close together, become the trombone slide passageway that supplies metal tubular product to pass through between upper belt and the lower belt, the drawing machine still includes the drive mechanism that is used for drawing metal tubular product and makes it pass the trombone slide passageway, the drive mechanism has the drawing head that is fixed with the butt joint of the tube head of metal tubular product, drive the actuating mechanism of drawing head motion; the utility model discloses a belt drawing machine sets up drive mechanism in drawing machine's frame, through this drive mechanism's setting to need not to use outside pin to carry out tubular product guide operation, this drive mechanism has actuating mechanism, can pull tubular product by oneself, and need not the manual work and pull, provides traction efficiency greatly, provides and draws production efficiency.

Description

Belt drawing machine

Technical Field

The utility model relates to a belt drawbench.

Background

In the cable and pipe wire industry, a belt drawing type drawing machine is widely applied and mainly comprises a frame, a roller wheel assembly, a belt wheel assembly, an upper pressing cylinder group, a lower pressing cylinder group and the like. The pipe head is connected with an external guide rod 100 ', the upper pressing cylinder group and the lower pressing cylinder group symmetrically press the guide rod 100' and the pipe, the motor operates to drive the belt pulley group (upper side and lower side) to drive the belt, and the metal pipe is driven by clamping friction force to realize continuous drawing production. Before the upper pressing cylinder group and the lower pressing cylinder group respectively drive the belts on the upper side and the lower side to approach and clamp the metal pipe, the pipe head of the metal pipe needs to be connected with the external guide rod 100 ', namely, the connection part of the guide rod 100' and the pipe head needs to be manually manufactured in the early stage of drawing so as to be firmly connected with the pipe head, and the guide rod 100 'needs to be cut off subsequently to ensure the subsequent drawing production, so that the working procedures of inefficient manual operation of using the guide rod 100' and cutting off the guide rod are added, and the waste of raw materials is caused by the cutting off of the pipe; in addition, the structure, arrangement and function of the upper pressing cylinder group and the lower pressing cylinder group of the drawing machine are the same, namely the upper pressing cylinder group and the lower pressing cylinder group are used as a reference, and the upper pressing cylinder group or the lower pressing cylinder group cannot be limited, so that the positioning is inaccurate when the pipes with the large and small specifications are drawn, the pressure control is inconvenient, and the production of high-requirement pipes is negatively influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that it provides a belt drawbench to overcome the not enough of prior art.

For solving the above technical problem, the utility model discloses a technical scheme is:

the utility model provides a belt drawing machine, the drawing machine includes the frame, locate the last belt pulley subassembly that has the upper belt in the frame and have the lower belt subassembly of belt down, locate the last top pushing mechanism and the lower pushing mechanism that are used for promoting respectively that belt and lower belt adjacent one side draw together the tight metal tubular product of clamp, it has the trombone slide passageway that supplies metal tubular product to pass through to go up to become between belt and the lower belt, the drawing machine still includes the drive mechanism who is used for pulling metal tubular product and makes it pass the trombone slide passageway, drive mechanism has the draw head of butt joint fixed with the tube head of metal tubular product, drive mechanism of draw head motion, drive mechanism sets up in the frame, the setting of draw head along the drawing direction of motion activity of metal tubular product is in the frame.

Preferably, the driving mechanism comprises a driving motor for providing a power source for the movement of the drawing head, a guide rail extending along the drawing movement direction of the metal pipe, and a transmission assembly in transmission connection between the driving motor and the drawing head.

Preferably, the transmission assembly comprises a lead screw extending along the drawing motion direction of the metal pipe and a nut sleeve sleeved on the lead screw in a threaded fit manner, a power output shaft of the driving motor is fixedly connected with one end part of the lead screw, and the traction head is fixedly connected with the nut sleeve.

Preferably, the pulling head is capable of clamping the metal pipe from the outer periphery side of the pipe head of the metal pipe.

Preferably, the traction head includes the fixing base, locate inside a plurality of chucks that are used for cliping the tube head of metal tubular product of fixing base, and each chuck slides and locates in the fixing base, and the traction head still includes for a plurality of chucks slide to draw close and clip the tube head of metal tubular product and provide the actuating cylinder of power.

Preferably, the clamping heads are provided in two, and the clamping surfaces of the two clamping heads are arranged in parallel.

Preferably, an included angle is formed between the plane of the back surface, relatively far away from each chuck, and the plane of the clamping surface, an inclined guide surface is formed on the inner wall of the fixed seat, and the back surface of each chuck is in matched sliding butt joint with the inclined guide surface.

Preferably, the inner periphery of the cylinder body of the driving cylinder and the inner periphery of the power output shaft of the driving cylinder are both provided with through holes for metal pipes to pass through.

Preferably, the upper pushing mechanism and the lower pushing mechanism are respectively provided with an upper roller assembly and a lower roller assembly which are abutted against the upper belt and the lower belt, at least one of the upper pushing mechanism and the lower pushing mechanism is provided with a positioning pushing assembly, and when the positioning pushing assembly pushes the upper roller assembly or the lower roller assembly to move in the up-down direction, the upper roller assembly or the lower roller assembly can be positioned at any position in the up-down direction. The any position is any position on the moving track of the upper roller assembly or the lower roller assembly.

Preferably, the positioning pushing assembly comprises a servo motor and a lifting speed reducer connected with a power output shaft of the servo motor, the power output shaft of the lifting speed reducer is fixedly connected with the support of the upper roller assembly or the support of the lower roller assembly, the positioning pushing assembly further comprises guide assemblies positioned on two sides of the support of the upper roller assembly or the support of the lower roller assembly in the length extending direction, and each guide assembly comprises a slide rail fixed on the rack and a sliding seat fixed on the support of the upper roller assembly or the support of the lower roller assembly.

Preferably, the lower pushing mechanism is provided with a positioning pushing assembly which pushes the lower roller assembly to move and can position the lower roller assembly at any position in the vertical direction, and the upper fixed pushing mechanism further comprises a plurality of pushing cylinders which are arranged in an array mode and push the upper roller assembly to move downwards through the pushing cylinders.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the belt drawing machine of the utility model is provided with the traction mechanism on the frame of the drawing machine, and through the arrangement of the traction mechanism, the external guide rod is not needed to be used for guiding the pipe, the traction mechanism is provided with the driving mechanism, the pipe can be automatically drawn without manual drawing, the traction efficiency is greatly improved, and the drawing production efficiency is improved; in addition, this drive mechanism's mode of pressing from both sides through pressing from both sides presss from both sides the tube head, avoids the tube head excision operation that the tube head warp the back and brings, further simplifies the operation flow, and has avoided the emergence of the extravagant condition of raw and other materials that the tubular product cutting brought. In addition, after traction is finished, the traction head of the traction mechanism does not need to be dismantled, and the pipe can penetrate through the traction head, so that continuous drawing production is realized.

Drawings

FIG. 1 is a schematic front view of a prior art belt drawing machine;

FIG. 2 is a schematic view of a partial three-dimensional structure of the belt drawing machine of the present invention;

fig. 3 is a schematic perspective view of the lower pushing mechanism of the present invention;

FIG. 4 is a schematic view of the internal three-dimensional structure of the traction head of the present invention;

FIG. 5 is a schematic cross-sectional view of a guide rod and a metal pipe in the prior art after butt joint;

wherein: 10. a frame; 100. a metal pipe; 100', a guide rod; 21. pushing the cylinder; 22. an upper roller assembly; 31. a lifting speed reducer; 320. connecting the end plates; 321. a base plate; 301. a slide rail; 302. a sliding seat; 40. a guide rail; 41. a lead screw; 42. a traction head; 420. a fixed seat; 421. a chuck; 4210. clamping the noodles; 422. a drive cylinder; d1, epithelial band; d2, lower belt.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 5, a belt drawing machine includes a frame 10, an upper belt d1 wheel assembly having an upper belt d1 and a lower belt d2 wheel assembly having a lower belt d2, which are disposed on the frame 10, an upper pushing mechanism and a lower pushing mechanism disposed on the frame 10 for pushing adjacent sides of the upper belt d1 and the lower belt d2 to close and clamp the metal pipe 100, a pipe drawing channel for the metal pipe 100 to pass through is formed between the upper belt d1 and the lower belt d2, the drawing machine further includes a traction mechanism for drawing the metal pipe 100 and making it pass through the pipe drawing channel, the traction mechanism includes a traction head 42 fixed in butt joint with a pipe head of the metal pipe 100 and a driving mechanism for driving the traction head 42 to move, the driving mechanism is disposed on the frame 10, and the traction head 42 is movably disposed on the frame 10 along a drawing movement direction of the metal pipe 100.

Specifically, the driving mechanism includes a driving motor (not shown in the figure) for providing a power source for the movement of the drawing head 42, a guide rail 40 extending along the drawing movement direction of the metal pipe 100, and a transmission assembly in transmission connection between the driving motor and the drawing head 42, wherein the transmission assembly includes a lead screw 41 extending along the drawing movement direction of the metal pipe 100, a nut sleeve sleeved on the lead screw 41 in a threaded fit, a power output shaft of the driving motor is fixedly connected with one end of the lead screw 41, and the drawing head 42 is fixedly connected with the nut sleeve. After the driving motor is started, the screw rod 41 is driven to rotate, so that the nut is driven to be sleeved on the screw rod to move linearly, and finally the traction head 42 drives the pipe head to pass through the pipe drawing channel linearly.

In this example, the drawing head 42 can clamp the metal pipe 100 from the outer circumferential side of the ferrule. The drawing head 42 is fixed to the head by clamping and then drives the metal pipe 100 to move. The specific structure of the traction head 42 is as follows: the traction head 42 comprises a fixed seat 420 and two chucks 421 arranged inside the fixed seat 420 and used for clamping the pipe head of the metal pipe 100, wherein each chuck 421 is arranged in the fixed seat 420 in a sliding manner, and the traction head 42 further comprises a driving cylinder 422 which is used for enabling the two chucks 421 to slide and approach together and clamping the pipe head of the metal pipe 100 to provide power. In this example, the gripping surfaces 4210 of the two grippers 421 are arranged in parallel. When the driving cylinder 422 drives the two clamping heads 421 to slide close, the clamping surfaces 4210 arranged in parallel with the two clamping heads 421 gradually close and can clamp the pipe head of the metal pipe 100.

In addition, an included angle is formed between the plane of the back surface of each chuck 421, which is relatively far away from the chuck, and the plane of the clamping surface 4210, an inclined guide surface is formed on the inner wall of the fixed seat 420, and the back surface of each chuck 421 is in matched sliding butt joint with the inclined guide surface. When the driving cylinder 422 pushes the chucks 421 to move, the chucks 421 have a tendency to move forward, and the chucks 421 slide forward by the guide of the inclined guide surface, so that the chucks 421 synchronously move toward the middle.

Further, the inner circumference of the cylinder body of the driving cylinder 422 and the inner circumference of the power take-off shaft thereof are formed with through holes through which the metal pipe 100 passes. The driving cylinder 422 is arranged in a hollow mode, after the traction mechanism executes traction work, the power output shaft of the driving cylinder 422 retracts, the two clamping heads 421 are far away from and loosen the abutting pressure of the pipe head, and after the clamping heads are loosened, the metal pipe 100 can continuously move the traction head 42 to penetrate through the metal pipe, so that the traction head 42 does not need to be detached after the traction is finished, continuous drawing production work is achieved, and production efficiency is improved.

Furthermore, the upper pushing mechanism and the lower pushing mechanism are respectively provided with an upper roller assembly 22 and a lower roller assembly which are abutted against the upper belt d1 and the lower belt d2, at least one of the upper pushing mechanism and the lower pushing mechanism is provided with a positioning pushing assembly, and when the positioning pushing assembly pushes the upper roller assembly 22 or the lower roller assembly to move in the up-down direction, the upper roller assembly 22 or the lower roller assembly can be positioned at any position in the up-down direction. The any position is any position on the moving track of the upper roller assembly 22 or the lower roller assembly. The positioning pushing assembly comprises a servo motor and a lifting speed reducer 31 connected with a power output shaft of the servo motor, the power output shaft of the lifting speed reducer 31 is fixedly connected with a support of the upper roller assembly 22 or a support of the lower roller assembly, the positioning pushing assembly further comprises guide assemblies positioned on two sides of the support of the upper roller assembly 22 or the support of the lower roller assembly in the length extending direction, and each guide assembly comprises a sliding rail 301 fixed on the rack 10 and a sliding seat 302 fixed on the support of the upper roller assembly 22 or the support of the lower roller assembly. The lower pushing mechanism is provided with a positioning pushing assembly which pushes the lower roller assembly to move and can position and lock the lower roller assembly at any position in the vertical direction, and the upper fixed pushing mechanism further comprises a plurality of pushing cylinders 21 which are arranged in an array mode, and the upper roller assembly 22 is pushed to move downwards through the pushing cylinders 21.

The bracket of the lower roller assembly comprises connecting end plates 320 connected to two ends of the rollers and a bottom plate 321 fixedly connected with the connecting end plates on two sides, the bottom plate 321 is an integral body, and a power output shaft of the lifting speed reducer 31 is fixedly connected with the bottom of the bottom plate 321, namely when the lifting speed reducer moves to drive the bottom plate 321 to move, all the rollers in the lower roller assembly are driven to move synchronously; the upper roller assembly is formed by arranging a plurality of roller sets, and each pushing cylinder controls one roller set.

To sum up, the belt drawing machine of the utility model is provided with the traction mechanism on the frame of the drawing machine, through the arrangement of the traction mechanism, the pipe guiding operation is not required to be carried out by using an external guide rod, the traction mechanism is provided with the driving mechanism, the pipe can be automatically drawn without manual drawing, the traction efficiency is greatly improved, and the drawing production efficiency is improved; in addition, this drive mechanism's mode of pressing from both sides through pressing from both sides presss from both sides the tube head, avoids the tube head excision operation that the tube head warp the back and brings, further simplifies the operation flow, and has avoided the emergence of the extravagant condition of raw and other materials that the tubular product cutting brought. In addition, after traction is finished, the traction head of the traction mechanism does not need to be dismantled, and the pipe can penetrate through the traction head, so that continuous drawing production is realized.

Further, the utility model discloses a lower pushing mechanism is provided with the location and pushes away the subassembly, and this location pushes away the servo motor drive lift speed reducer up-and-down motion of subassembly and realizes arbitrary position location to as the basic position of last pushing mechanism, guaranteed upper and lower position precision, can not fix a position inaccurately because the external diameter of size and specification pipe is different like this, also make the cylinder pressure adjustment that each pushes away the cylinder in the mechanism of pushing up also convenient and accurate, can satisfy drawing production of high accuracy thin wall pipe, improve equipment availability factor.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited thereto, and the present invention is not limited to the above-mentioned embodiments, and all equivalent changes or modifications made according to the spirit of the present invention should be covered within the scope of the present invention.

Claims

1. The utility model provides a belt drawing machine, the drawing machine includes the frame, locates last belt pulley subassembly that has the belt in the frame and the lower belt pulley subassembly that has lower belt, locate be used for promoting respectively in the frame go up the belt and push up pushing mechanism and lower pushing mechanism with the tight last top of metal tubular product clamp after drawing close together with the adjacent one side of lower belt mutually, go up the belt and become between the belt down and supply the trombone slide passageway that metal tubular product passes through, its characterized in that: the drawing machine further comprises a traction mechanism used for drawing the metal pipe and enabling the metal pipe to penetrate through the pipe drawing channel, the traction mechanism is provided with a traction head fixed to the butt joint of the pipe head of the metal pipe and a driving mechanism driving the traction head to move, the driving mechanism is arranged on the rack, and the traction head is arranged on the rack along the drawing movement direction of the metal pipe in a movable mode.

2. The belt drawing machine of claim 1, wherein: the driving mechanism comprises a driving motor for providing a power source for the movement of the traction head, a guide rail extending along the drawing movement direction of the metal pipe, and a transmission assembly in transmission connection between the driving motor and the traction head.

3. The belt drawing machine of claim 2, wherein: the transmission assembly comprises a lead screw and a nut sleeve, wherein the lead screw and the nut sleeve are sleeved on the lead screw in a threaded fit mode, the lead screw extends in the drawing motion direction of the metal pipe, the nut sleeve is sleeved on the lead screw, a power output shaft of the driving motor is fixedly connected with one end of the lead screw, and the traction head is fixedly connected with the nut sleeve.

4. The belt drawing machine of claim 1, wherein: the drawing head can clamp the metal pipe from the outer periphery side of the pipe head of the metal pipe.

5. The belt drawing machine of claim 4, wherein: the traction head comprises a fixed seat and a plurality of chucks arranged in the fixed seat and used for clamping the pipe head of the metal pipe, wherein the chucks are arranged in the fixed seat in a sliding mode, and the traction head further comprises a plurality of driving cylinders which are used for drawing the chucks close in a sliding mode and clamping the pipe head of the metal pipe to provide power.

6. The belt drawing machine of claim 5, wherein: the clamping heads are provided with two clamping surfaces which are arranged in parallel.

7. The belt drawing machine of claim 6, wherein: an included angle is formed between the plane of the back face, relatively far away from each chuck, and the plane of the clamping face, an inclined guide face is formed on the inner wall of the fixed seat, and the back face of each chuck is matched with the inclined guide face in a sliding butt joint mode.

8. The belt drawing machine of claim 5, wherein: through holes for metal pipes to pass through are formed in the inner periphery of the cylinder body of the driving cylinder and the inner periphery of the power output shaft of the driving cylinder.

9. The belt drawing machine of claim 1, wherein: the upper pushing mechanism and the lower pushing mechanism are respectively provided with an upper roller assembly and a lower roller assembly which are abutted against the upper belt and the lower belt, at least one of the upper pushing mechanism and the lower pushing mechanism is provided with a positioning pushing assembly, and the positioning pushing assembly pushes the upper roller assembly or the lower roller assembly to be positioned at any position in the vertical direction when the upper roller assembly or the lower roller assembly moves in the vertical direction.

10. The belt drawing machine of claim 9, wherein: the positioning pushing assembly comprises a servo motor and a lifting speed reducer connected with a power output shaft of the servo motor, the power output shaft of the lifting speed reducer is fixedly connected with the support of the upper roller assembly or the support of the lower roller assembly, the positioning pushing assembly further comprises guide assemblies located on two sides of the length extending direction of the support of the upper roller assembly or the support of the lower roller assembly, and the guide assemblies comprise slide rails fixed on the rack and slide seats fixed on the support of the upper roller assembly or the support of the lower roller assembly.