CN215970005U

CN215970005U - Four-claw tractor for pipe machining

Info

Publication number: CN215970005U
Application number: CN202121328437.XU
Authority: CN
Inventors: 衡传远; 衡传坤
Original assignee: Zhangjiagang Huade Machinery Technology Co ltd
Current assignee: Zhangjiagang Huade Machinery Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-03-08
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a four-jaw tractor for processing pipes, which comprises a rack, wherein an inlet and an outlet are formed in the rack, the pipes can enter the rack along the inlet and are driven to be dragged by a traction assembly in the rack and then pass through the outlet, four groups of traction assemblies are arranged, each group of traction assembly comprises a traction frame, two traction chain wheels are arranged on the traction frame, traction chains are arranged on the two traction chain wheels, one traction chain wheel is connected with a traction motor, the traction chains can rotate under the driving of the traction motor, a displacement assembly is arranged on the traction frame, the traction assembly can reciprocate towards the central shaft direction of the inlet under the action of the displacement assembly, and meanwhile, the traction chains can contact with the pipes and can drag. Through the setting of four groups of traction assemblies, the pipe is guaranteed to be stably and timely pulled when entering the rack, meanwhile, the movement of the traction assemblies can be realized through the setting of the displacement assemblies, the traction assemblies can perform adaptive traction according to pipes of different sizes, and the adaptability of equipment is improved.

Description

Four-claw tractor for pipe machining

Technical Field

The utility model relates to the technical field of pipe machining, in particular to a four-claw tractor for pipe machining.

Background

The plastic extruder melts plastic at a high temperature of about 200 degrees centigrade, and the melted plastic is formed into a desired shape when passing through a die. The method of continuously passing a material through a die in a flowing state by heating and pressurizing the material in an extruder is also called "extrusion molding". For example, conventional PE, PVC, MPP90-315 tubing is produced using a plastic extruder.

In the production process, continuous production is generally carried out, namely uninterrupted pipe extrusion is carried out, and after the pipe extrusion, traction is needed to be carried out so as to match the high-speed production of an extruder. However, the existing equipment lacks reasonable and efficient traction equipment for pipe production.

Therefore, the inventor aims to invent a four-claw tractor for pipe machining, aiming at the technical problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, the present invention aims to provide a four-jaw tractor for pipe machining.

In order to achieve the above purposes, the utility model adopts the technical scheme that: the utility model provides a four-jaw tractor for tubular product processing, includes the frame, set up import and export in the frame, and tubular product can follow in the import gets into the frame to traction assembly drive by in the frame pulls, passes through the export again, traction assembly sets up four groups, and every group traction assembly includes the traction frame, set up two drive sprocket on the traction frame, two set up drag chain, one of them on the drive sprocket traction motor is connected, and under traction motor's the drive, drag chain can rotate, simultaneously set up the displacement subassembly on the traction frame under displacement subassembly's the effect, traction assembly can be towards the center pin direction reciprocating motion of import, simultaneously drag chain can contact and pull with tubular product.

Preferably, a rubber block is arranged on the traction chain, and a groove is formed in the rubber block. The setting up of rubber block has guaranteed the frictional force of traction chain and tubular product contact promptly, has also guaranteed simultaneously that the tubular product surface is not by the chain fish tail, and V style of calligraphy or curved recess, guarantees to have two at least contact points to the rubber tube, guarantees to the stable stay of tubular product and guarantees towed effective.

Preferably, the traction frame is further provided with a tensioning chain wheel, and the tensioning chain wheel is matched with the traction chain. The tensioning of the traction chain is realized, the contact position between the traction chain wheel and the pipe is ensured to be neat, and the efficient transfer is possible.

Preferably, the traction frame is also provided with parallel pad rails. The purpose of the parallel pad rail is to pad the traction chain to expose the traction frame, so that the traction chain is convenient to contact and traction with the pipe.

Preferably, two groups of displacement assemblies are arranged at two ends of a traction frame of each group of traction assemblies respectively, the two displacement assemblies synchronously drive the traction assemblies to move along the central shaft direction of an inlet, and meanwhile, two ends of the traction frame are connected with the rack in a sliding mode through sliding blocks and sliding rails respectively. Set up eight groups displacement assembly promptly, guaranteed the stability of four group's traction assembly's removal, reach same equipment then, be applicable to the production of the tubular product of the different thicknesses of different types, the stability of displacement has also been guaranteed in the setting of slider and slide rail moreover.

Preferably, the displacement assembly comprises a displacement cylinder, and a telescopic rod of the displacement cylinder is connected with the traction frame. Namely, when the displacement cylinder is driven, the traction frame is directly acted on, so that the traction frame can slide along the sliding block and the sliding rail.

Preferably, the displacement assembly can also be a displacement screw rod, the displacement screw rod is connected with a displacement motor, a screw rod seat is sleeved on the displacement screw rod, and the screw rod seat is connected with the traction frame. The displacement motor drives the displacement screw rod to rotate, the displacement screw rod drives the screw rod seat to realize displacement, and then the displacement of the traction frame is realized.

Certainly, the displacement assembly can be selected from the displacement screw rod and the displacement air cylinder, and when the displacement assembly is arranged, the driving directions of the displacement screw rod and the displacement air cylinder are ensured to be parallel to the direction of the sliding rail. When different displacement assemblies are selected, attention needs to be paid to the fact that the same displacement assembly is selected at two ends of the same traction frame, and the consistency of displacement driving is guaranteed. In addition, the cost of the displacement screw rod is higher than that of the displacement air cylinder, and in practical use, the displacement screw rod can be used in a mixed mode, for example, as described in the drawing, the displacement air cylinder is used at the position below the central axis, and the displacement air cylinder is used at the position above the central axis.

Four displacement lead screws can be driven by four displacement motors respectively, also can use the drive mechanism in the attached drawing to realize that a displacement motor drives four displacement lead screws simultaneously, the tip at four displacement lead screws sets up conical gear respectively promptly, set up two actuating levers in the frame, four conical gear are established to the cover respectively on two actuating levers, carry out the meshing of one-to-one on actuating lever and the displacement lead screw, realize synchronous drive through synchronous sprocket and synchronous chain between two actuating levers, and displacement motor is connected with one of them actuating lever, and drive an actuating lever and realize rotating, an actuating lever is the initiative promptly, another realizes driven through synchronous chain and synchronous sprocket, in rotatory, utilize the complex conical gear to realize the rotation of displacement lead screw.

Preferably, four groups of the traction assemblies are arranged diagonally and all face to the central axis of the inlet. Four groups are arranged in diagonal lines, namely four groups are arranged at four diagonal positions of upper left, lower left, upper right and lower right, so that the pipe can be stably pulled.

Preferably, the inlet and outlet are circular and are on the same axis. Namely, the pipe is ensured to enter the tractor and be effectively dragged.

Preferably, a meter counter is arranged on the frame. The device is arranged at the inlet or the outlet, and the output of the pipe processing can be calculated.

The four-claw traction machine for pipe processing has the advantages that stable and timely traction of pipes entering a rack is guaranteed through the arrangement of the four groups of traction assemblies, meanwhile, the movement of the traction assemblies can be realized through the arrangement of the displacement assemblies, the traction assemblies can perform adaptive traction according to pipes of different sizes, the adaptability of equipment is improved, the timely and effective traction is guaranteed, and the guarantee is provided for the production of pipes of different diameters.

Drawings

Fig. 1 is a schematic structural diagram of a four-jaw tractor for pipe machining.

Fig. 2 is a schematic structural view of the traction assembly.

Fig. 3 is a cross-sectional view of the tow assembly.

Fig. 4 is a schematic structural diagram of a rubber block.

Fig. 5 is a schematic view of a diagonally disposed displacement assembly.

Fig. 6 is a schematic diagram of the synchronous driving of four sets of displacement screws.

In the figure:

1. a frame, 2, an inlet, 3, an outlet, 4, a traction component, 5, a displacement component, 6, a slide block, 7, a slide rail, 8 and a meter counter,

41. a traction frame 42, a traction chain wheel 43, a traction chain 44, a traction motor 45, a rubber block 46, a tension chain wheel 47, a parallel pad rail 451 and a groove,

51. displacement cylinder, 52, displacement lead screw, 53, lead screw seat.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1-6, the four-jaw tractor for pipe processing in this embodiment includes a frame 1, an inlet 2 and an outlet 3 are provided on the frame 1, and a pipe can enter the frame 1 along the inlet 2 and can be driven by a traction assembly 4 in the frame 1 to be dragged, and then pass through the outlet 3, four groups of traction assemblies 4 are provided, and each group of traction assembly 4 includes a traction frame 41, two traction sprockets 42 are provided on the traction frame 41, and a traction chain 43 is provided on the two traction sprockets 42, one of the traction sprockets 42 is connected to a traction motor 44, and the traction chain 43 can rotate under the driving of the traction motor 44, and a displacement assembly 5 is provided on the traction frame 41, and under the action of the displacement assembly 5, the traction assembly 4 can reciprocate toward the central axis direction of the inlet 2, and the traction chain 43 can contact with the pipe and can perform traction.

The rubber block 45 is arranged on the traction chain 43, and the groove 451 is arranged on the rubber block 45. The setting up of block rubber 45 has guaranteed the frictional force of pulling chain 43 and tubular product contact promptly, has also guaranteed simultaneously that the tubular product surface is not by the chain fish tail, and V style of calligraphy or curved recess 451, guarantees to have two at least contact points to the rubber tube, guarantees to the stable stay of tubular product and guarantees to pull effectively.

The traction frame 41 is further provided with a tension sprocket 46, and the tension sprocket 46 is matched with the traction chain 43. The tensioning of the traction chain 43 is realized, the contact position between the traction chain wheel 42 and the pipe is ensured to be neat, and the efficient transfer is possible.

The traction frame 41 is also provided with parallel pad rails 47. The purpose of the parallel pad rails 47 is to pad the drag chain 43 up to expose it out of the drag frame 41, facilitating the contact and drag of the drag chain 43 with the pipe.

Two groups of displacement assemblies 5 are respectively arranged at two ends of a traction frame 41 of each group of traction assemblies 4, the two displacement assemblies 5 synchronously drive the traction assemblies 4 to move along the central shaft direction of the inlet 2, and meanwhile, two ends of the traction frame 41 are respectively connected with the rack 1 in a sliding mode through a sliding block 6 and a sliding rail 7. Set up eight groups displacement assembly 5 promptly, guaranteed the stability of the removal of four groups traction assembly 4, reach same equipment then, be applicable to the production of the different thickness of different kinds of tubular product, the stability of displacement has also been guaranteed in the setting of slider 6 and slide rail 7 moreover.

And referring to the attached figures 2 and 3, the adjusting tension roller is arranged on the traction chain wheel which is not connected with the traction motor to adjust the traction chain, the adjusting tension roller can move along the adjusting hole, and the tension of the traction chain is realized in the moving process.

The displacement assembly 5 comprises a displacement cylinder 51, and the telescopic rod of the displacement cylinder 51 is connected with the traction frame 41. That is, when the displacement cylinder 51 is driven, the displacement cylinder directly acts on the traction frame 41, so that the traction frame 41 can slide along the slider 6 and the slide rail 7.

The displacement assembly 5 can also be a displacement screw 52, the displacement screw 52 is connected with a displacement motor, a screw base 53 is sleeved on the displacement screw 52, and the screw base 53 is connected with the traction frame 41. Namely, the displacement motor drives the displacement screw 52 to rotate, and the displacement screw 52 drives the screw seat 53 to realize displacement, so that the traction frame 41 is displaced.

Of course, the displacement assembly 5 can be selected from the displacement screw 52 and the displacement cylinder 51, and when arranged, the driving directions of the displacement screw 52 and the displacement cylinder 51 are ensured to be parallel to the direction of the slide rail 7. When different displacement assemblies 5 are selected, it should be noted that the same type of displacement assemblies 5 are selected at two ends of the same traction frame 41, so as to ensure the consistency of displacement driving. Furthermore, the cost of the displacement screw 52 is higher than that of the displacement cylinder 51, and in practical use, the displacement screw 52 located below the central axis and the displacement cylinder 51 located above can be used in a mixed manner, for example, as described in the drawing, the use of the displacement cylinder 51 is considered in combination with the use of the traction assembly 4 located below as the main support and traction, so that the control thereof needs to be precise, and the use of the displacement cylinder 51 as the auxiliary compression traction is adopted above.

The four displacement screws 52 can be respectively driven by four displacement motors, and the transmission mechanism in fig. 6 can also be used to realize that one displacement motor simultaneously drives four displacement screws 52, namely, the end parts of the four displacement screws 52 are respectively provided with a conical gear, two driving rods are arranged on the rack 1, the two driving rods are respectively sleeved with four conical gears, the driving rods and the displacement screws 52 are meshed in a one-to-one correspondence manner, synchronous driving is realized between the two driving rods through a synchronous chain wheel and a synchronous chain, the displacement motor is connected with one of the driving rods and drives one of the driving rods to realize rotation, namely, one driving rod is a driving rod, the other driving rod realizes driven through the synchronous chain wheel and the synchronous chain wheel, and when rotation is realized, the rotation of the displacement screws 52 is realized by utilizing the matched conical gear.

Four groups of traction assemblies 4 are arranged diagonally and all face the central axis of the inlet 2. Four groups are arranged in diagonal lines, namely four groups are arranged at four diagonal positions of upper left, lower left, upper right and lower right, so that the pipe can be stably pulled.

The inlet 2 and the outlet 3 are circular and are on the same axis. Namely, the pipe is ensured to enter the tractor and be effectively dragged. A meter counter 8 is arranged on the frame 1. The output of the pipe processing can be calculated by being arranged at the inlet 2 or the outlet 3.

The utility model provides a four-jaw tractor for tubular product processing's beneficial effect is, through four group's settings of pulling subassembly 4, guaranteed that tubular product carries out stable and timely pulling when getting into frame 1, the setting of displacement subassembly 5 simultaneously can realize pulling the removal of subassembly 4, realizes pulling subassembly 4 and carries out the drawing of adaptability according to not unidimensional tubular product, improve equipment's adaptability guarantees the timely effectual going on of pulling, provides the assurance for the production of the tubular product of different diameters.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a four claw tractor for tubular product processing which characterized in that: the automatic pipe drawing machine comprises a frame, set up import and export in the frame, and tubular product can follow in the import entering frame to by the drive of the subassembly that pulls in the frame, pass through the export again, the subassembly that pulls sets up four groups, and every group the subassembly that pulls includes the traction frame, set up two drive sprocket on the traction frame, two set up drive chain, one of them on the drive sprocket traction motor connects, and under traction motor's the drive, drive chain can rotate, simultaneously set up the displacement subassembly on the traction frame under displacement subassembly's the effect, the subassembly that pulls can be towards the center pin direction reciprocating motion of import, simultaneously drive chain can contact and pull with tubular product.

2. A four-jaw tractor for pipe machining according to claim 1, characterised in that: the traction chain is provided with a rubber block, and the rubber block is provided with a groove.

3. A four-jaw tractor for pipe machining according to claim 1, characterised in that: and the traction frame is also provided with a tensioning chain wheel which is matched with the traction chain.

4. A four-jaw tractor for pipe machining according to claim 1, characterised in that: and the traction frame is also provided with parallel pad rails.

5. A four-jaw tractor for pipe machining according to claim 1, characterised in that: two ends of a traction frame of each group of traction assemblies are respectively provided with two groups of displacement assemblies, the two displacement assemblies synchronously drive the traction assemblies to move along the central shaft direction of an inlet, and meanwhile, two ends of the traction frame are respectively connected with a rack in a sliding mode through sliding blocks and sliding rails.

6. A four-jaw tractor for pipe machining according to claim 5, characterized in that: the displacement assembly comprises a displacement cylinder, and a telescopic rod of the displacement cylinder is connected with the traction frame.

7. A four-jaw tractor for pipe machining according to claim 5, characterized in that: the displacement assembly can also be a displacement screw rod, the displacement screw rod is connected with a displacement motor, a screw rod seat is sleeved on the displacement screw rod, and the screw rod seat is connected with the traction frame.

8. A four-jaw tractor for pipe machining according to claim 1, characterised in that: four groups the traction assembly is diagonally arranged and faces to the central axis of the inlet.

9. A four-jaw tractor for pipe machining according to claim 1, characterised in that: the inlet and outlet are circular and are on the same axis.

10. A four-jaw tractor for pipe machining according to claim 1, characterised in that: and a meter counter is arranged on the rack.