CN209920500U - Sizing draw gear for PTFE tubular product - Google Patents

Abstract

The utility model discloses a sizing draw gear for PTFE tubular product, which comprises a frame, be provided with the reducing subassembly of heating cabinet and the different bore of a plurality of group in the frame, the mouth of pipe has been seted up to the heating cabinet, the frame rotates and is connected with the roll-up frame, roll-up frame fixedly connected with motor, roll-up frame fixedly connected with haulage rope, the other end fixedly connected with sleeve of haulage rope, the sleeve cover is established in the tubular product outside, the sleeve both ends are the opening setting, fixedly connected with joint section of thick bamboo in the sleeve, joint bobbin tip circumference side is provided with four group at least realizations the incision that the joint section of thick bamboo expands, and tubular product circumference wall is located the joint spare with between the sleeve inner wall, be provided with the chucking subassembly that is used for realizing the tubular product joint on. The pipe end is fixed through the interaction of the sleeve and the clamping cylinder, the pipe is convenient to pull and reduce, and the reducing work efficiency of the pipe is improved.

Description

Sizing draw gear for PTFE tubular product

Technical Field

The utility model belongs to the technical field of the technique of tubular product processing equipment and specifically relates to a PTFE sizing draw gear for tubular product is related to.

Background

Polytetrafluoroethylene (i.e., PTFE), also known as teflon, etc., is a high molecular material polymerized from tetrafluoroethylene, and due to the characteristics of its molecules and structure, PTFE has the advantages of excellent high and low temperature resistance, extremely high chemical stability, corrosion resistance, weather resistance, high lubrication, no adhesion, easy cleaning, physiological inertia, no toxicity, electrical insulation, etc., and is widely applied to the fields of chemical industry, petroleum, textile, electronics, electricity, medical treatment, machinery, etc. Meanwhile, PTFE pipes are more and more commonly applied to self-cleaning pipelines, water supply pipes, water discharge pipes, gas pipes and the like, and after tetrafluoroethylene is extruded into a Teflon pipe, the Teflon pipe needs to be processed into products with different specifications, so that the extruded Teflon pipe needs to be subjected to sizing operation.

In order to solve the problems, a Chinese patent with a patent publication number of CN2262987Y provides an inner and outer sizing die for polyethylene pipes, which mainly comprises a lateral machine head body, a feeding port, an elongated inner sizing die core, an inner cooling pipe, a locking ring, a mouth die, a heating device, an outer sizing copper sleeve, a heat insulation layer and an outer spraying cooling system. The lengthened inner sizing die core adopts a lengthened sizing die core and has certain taper, and a cooling system of a clip-shaped flow passage is arranged in the lengthened inner sizing die core. The external sizing copper sleeve is directly sleeved on the mouth mold through a heat insulation layer. By adopting the structure, the production is simple and reliable, the inner and outer smoothness of the pipe can be increased, and the bamboo joint phenomenon can be thoroughly eliminated. In addition, the use efficiency of the pipe extruding machine can be improved.

The above prior art solutions have the following drawbacks: tubular product is through the sizing subassembly in-process, and tubular product is just by the extrusion molding when coming out, and tubular product surface temperature is high, is unfavorable for artifical transport, needs pull tubular product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a. The PTFE pipe sizing and pulling device.

The utility model discloses a can realize through following technical scheme:

the utility model provides a PTFE sizing draw gear for tubular product, includes the frame, be provided with the reducing subassembly of heating cabinet and the different bore of a plurality of groups in the frame, the mouth of pipe has been seted up to the heating cabinet, the frame rotates and is connected with roll-up frame, roll-up frame fixedly connected with motor, roll-up frame fixedly connected with haulage rope, the other end fixedly connected with sleeve of haulage rope, the sleeve cover is established in the tubular product outside, the sleeve both ends are the opening setting, fixedly connected with joint section of thick bamboo in the sleeve, joint section of thick bamboo tip circumference side is provided with four group at least realizations the incision that joint section of thick bamboo is expanded, and tubular product circumference wall is located the joint subassembly with between the sleeve inner wall, be provided with the chucking subassembly that is used for.

Through adopting above-mentioned technical scheme, tubular product is followed the play mouth of pipe of heating cabinet and is propelling movement, for processing into the tubular product of different specifications, wear to establish in the sleeve with the tip of chase, and be located the incision position of joint section of thick bamboo circumference outer wall, under the effect of chucking subassembly, the incision position circumference lateral wall of joint section of thick bamboo receives under the extruded effect towards outside inflation, joint section of thick bamboo incision lateral wall extrudees the chase towards the sleeve direction, the chase is fixed by the joint under joint section of thick bamboo and telescopic effect, motor drive roll-up frame rotates, the roll-up frame is convoluteed the haulage rope, tubular product follows the haulage rope and moves towards the reducing subassembly, tubular product is pulling behind the reducing subassembly, tubular product is extruded and the pipe diameter changes, the operation of accomplishing to tubular product traction reducing.

Further setting the following steps: the chucking subassembly include with sleeve swing joint's awl is female, the awl female with joint section of thick bamboo inner wall sliding connection, awl female circumference lateral wall with joint section of thick bamboo inner wall butt, the female cross-section circle size of awl is along orientation the heating cabinet direction crescent.

Through adopting above-mentioned technical scheme, the female orientation of drive awl is kept away from out mouth of pipe direction and is moved, and the female orientation joint section of thick bamboo internal motion of awl, the female cross-section circle diameter of awl is greater than the diameter of a joint section of thick bamboo incision position, and the female orientation joint section of thick bamboo internal motion in-process of awl will block the incision inner wall of a section of thick bamboo towards outside extrusion, the cross-section circle diameter increase of a joint section of thick bamboo incision position, and a joint section of thick bamboo incision and sleeve butt just realize the tubular product joint effect.

Further setting the following steps: the size of the minimum cross section circle of the conical nut is not larger than that of the cross section of the clamping cylinder, and the size of the maximum cross section of the conical nut is larger than that of the cross section circle of the clamping cylinder.

Through adopting above-mentioned technical scheme, the female cross-section circle size of awl reduces along a joint section of thick bamboo direction gradually towards, and a joint section of thick bamboo is kept away from in notched one end and a joint section of thick bamboo circumference inner wall sliding connection, and a joint section of thick bamboo is close to and is less than the female maximum cross-section circle size of awl in notched cross-section circle diameter, ensures that the awl is female with joint section of thick bamboo circumference inner wall towards outside extrusion.

Further setting the following steps: the one end fixedly connected with fixed block that the heating cabinet was kept away from to the awl mother, two sets of spouts have been seted up to the fixed block, spout inner wall sliding connection has the peg graft pole, a plurality of groups of fixed orificess have all been seted up to the both sides that lie in horizontal symmetry line on the sleeve circumference lateral wall, the peg graft pole peg graft in the fixed orifices.

Through adopting above-mentioned technical scheme, the drive awl is female towards keeping away from the motion of heating cabinet direction, and the one end and the sleeve inner wall butt of inserted link, inserted link and spout inner wall elastic connection, when the inserted link moved the position to the fixed orifices, the inserted link moved towards the fixed orifices direction and pegs graft in the fixed orifices, and fixed block and sleeve realize fixed effect, realize the awl female with telescopic fixed effect.

Further setting the following steps: the insertion rod and the inner wall of the end part of the sliding groove are fixedly connected with a first elastic restoring piece.

By adopting the technical scheme, the insertion rod reciprocates in the sliding groove under the original shape restoring effect of the first elastic restoring piece.

Further setting the following steps: the fixing hole is elastically connected with a driving block, and two groups of second elastic restoring pieces are fixedly connected between the driving block and the side wall of the fixing hole.

By adopting the technical scheme, when the insertion rod is inserted into the fixing hole, the driving block is pushed to a position far away from the fixing hole by the insertion rod, and the second elastic restoring piece is stretched; an acting force moving towards the direction of the sliding groove is applied to the driving block, the driving block pushes the insertion rod to the direction away from the fixing hole, and the conical nut is separated from the sleeve.

Further setting the following steps: the horizontal extension length of the driving block is not less than the horizontal extension size of the fixing hole.

By adopting the technical scheme, when the driving block moves towards the fixed hole, the insertion rod is pushed to slide away from the fixed hole, so that acting force can be applied to the part of the driving block, which is positioned outside the fixed block.

Further setting the following steps: and the circumferential side surface of the clamping cylinder close to the position of the cut is provided with an abutting layer for increasing friction force.

Through adopting above-mentioned technical scheme, when a joint section of thick bamboo with the tubular product joint when sleeve inner wall, the butt layer is extruded and is laminated with tubular product, at the in-process of pulling tubular product, the butt layer increases the frictional force between a joint section of thick bamboo and the tubular product, ensures the chucking effect of tubular product.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the pipe is sleeved between the clamping cylinder and the sleeve, the fixing block is driven to move, the conical nut applies an acting force towards the sleeve to the notch position of the clamping cylinder, the clamping cylinder is driven to move towards the sleeve direction, the clamping cylinder extrudes and fixes the pipe on the sleeve, and the pipe is fixed firmly with the clamping cylinder under the action of the abutting layer.

(2) The inserted link moves towards the fixed orifices direction under the effect of first elasticity recovery piece, and the inserted link will drive the piece and outwards push towards the fixed orifices, and the inserted link is pegged graft in the fixed orifices, and second elasticity recovery piece is stretched, realizes fixed effect between awl mother and the sleeve.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the middle sleeve, the clamping cylinder and the nut;

FIG. 3 is a top view of the middle sleeve, the clamping cylinder and the nut;

fig. 4 is a sectional view a-a in fig. 3.

Reference numerals: 1. a frame; 2. a heating box; 3. an outlet pipe orifice; 4. a reeling frame; 5. a motor; 6. a hauling rope; 7. a sleeve; 8. a clamping cylinder; 9. a clamping assembly; 10. a conical nut; 11. a fixed block; 12. a chute; 13. a plug rod; 14. a fixing hole; 15. a first elastic restoring member; 16. a drive block; 17. a second elastic restoring member; 18. and an abutting layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a sizing draw gear for PTFE tubular product, including frame 1, frame 1 is provided with heating cabinet 2 and four group reducing assemblies, heating cabinet 2 has seted up out mouth of pipe 3, tubular product is pushed out from out mouth of pipe 3, tubular product is heated in heating cabinet 2, be convenient for carry out reducing operation to tubular product, the reducing assembly is the copper cylinder among the prior art, and the cross-section circle diameter of copper cylinder reduces gradually, through each group different copper cylinder after, the pipe diameter of tubular product changes, and take place heat transfer between tubular product and the copper cylinder, the temperature of tubular product reduces gradually; frame 1 rotates and is connected with roll-up frame 4, and 4 fixedly connected with motors 5 of roll-up frame, 4 fixedly connected with haulage ropes 6 of roll-up frame, the other end fixedly connected with sleeve 7 of haulage rope 6, and sleeve 7 is used for the tubular product chucking.

Referring to fig. 2 and 4, in order to facilitate the realization sleeve 7 with the tubular product chucking, an organic whole is connected with a joint section of thick bamboo 8 in the sleeve 7, the cover is established gappedly between a joint section of thick bamboo 8 and the circumference side of sleeve 7, place tubular product in the clearance, a joint section of thick bamboo 8 is close to the one end that is close to out mouth of pipe 3 and has been seted up four groups of incisions, a joint section of thick bamboo 8 is for having the flexure strip of elastic deformation performance, the incision is located a joint section of thick bamboo 8 circumference side and extends along the central line direction of a joint section of thick bamboo 8, four groups of incisions are for the symmetry setting for the central line of a joint section of thick bamboo 8, the incision is used for realizing that a joint section of thick bamboo 8 expands, be provided with.

Referring to fig. 2 and 4, the clamping assembly 9 includes a conical nut 10 slidably connected to the sleeve 7, a diameter of a cross-section circle of the conical nut 10 gradually decreases along a direction away from the outlet 3, and a diameter of a cross-section circle of a portion of the conical nut 10 away from the notch is constant, a maximum cross-section circle dimension of the conical nut 10 is larger than a cross-section circle dimension of the clamping cylinder 8, the conical nut 10 is driven to move towards the clamping cylinder 8, the conical nut 10 applies an extrusion force to a notch of the clamping cylinder 8, a circumferential inner wall of the clamping cylinder 8 is extruded towards the sleeve 7, the clamping cylinder 8 extrudes a circumferential wall of the pipe onto the sleeve 7, and the clamping cylinder 8 extrudes and fixes the pipe onto the sleeve 7; in order to ensure the fixed effect of tubular product, the joint section of thick bamboo 8 is close to the circumference side of incision position and is provided with butt layer 18, and butt etc. are used for increasing the frictional force between a joint section of thick bamboo 8 and the tubular product, and the haulage rope 6 pulls the in-process to the tubular product, ensures the fixed effect of sleeve 7 and tubular product.

Referring to fig. 4, in order to facilitate the sliding operation of the cone nut 10, the minimum cross-sectional circle diameter of the cone nut 10 is equal to the cross-sectional circle size of the clamping cylinder 8, in the process of driving the cone nut 10 to move towards the direction away from the pipe outlet 3, in order to realize the fixing effect between the cone nut 10 and the sleeve 7, one end of the cone nut 10 away from the heating box 2 is integrally connected with a fixed block 11, two groups of sliding grooves 12 are formed in the fixed block 11, one end of each sliding groove 12 close to the sleeve 7 is provided with an opening, an inserting rod 13 is connected to the inner wall of each sliding groove 12 in a sliding manner, a plurality of groups of fixing holes 14 are formed in the; fixedly connected with first elasticity restores piece 15 between insertion rod 13 and the 12 tip inner walls of spout, and drive awl is female 10 in a joint section of thick bamboo 8 in the motion process, and first elasticity restores piece 15 to be compressed, insertion rod 13 and sleeve 7 inner wall butt, when insertion rod 13 moves to fixed orifices 14 position, insertion rod 13 pegs graft in fixed orifices 14, realizes the fixed effect between awl 10 and the sleeve 7.

Referring to fig. 4, in order to operate the awl nut 10, a driving block 16 is connected to the inner wall of the fixing hole 14 in a sliding manner, two sets of second elastic restoring pieces 17 are fixedly connected between the driving block 16 and the side wall of the fixing hole 14, the second elastic restoring pieces 17 are arranged in an inclined manner, when the insertion rod 13 is inserted into the fixing hole 14, the driving block 16 is pushed to a position away from the fixing hole 14, in order to achieve a separation effect between the awl nut 10 and the sleeve 7, the driving block 16 is pushed to move towards the direction of the sliding groove 12, the horizontal extension length of the driving block 16 is equal to the horizontal extension size of the fixing hole 14, the driving block 16 and the fixing hole 14 are in intermittent fit, when the driving block 16 is pushed into the fixing hole 14, the insertion rod 13 is pushed to a position away from the fixing hole 14, and the separation effect between the awl nut 10 and.

The implementation principle and the beneficial effects of the embodiment are as follows: sleeving a pipe between the clamping cylinder 8 and the sleeve 7, driving the fixing block 11 to move, enabling the conical nut 10 to move along with the fixing block 11 and move towards the notch position of the clamping cylinder 8, applying an acting force towards the sleeve 7 to the notch position of the clamping cylinder 8 by the conical nut 10, driving the clamping cylinder 8 to move towards the sleeve 7, extruding and fixing the pipe on the sleeve 7 by the clamping cylinder 8, and fixing the pipe and the clamping cylinder 8 firmly under the action of the abutting layer 18; at the moment, the insertion rod 13 moves towards the direction of the fixing hole 14 under the action of the first elastic restoring piece 15, the insertion rod 13 pushes the driving block 16 outwards towards the fixing hole 14, the insertion rod 13 is inserted into the fixing hole 14, the second elastic restoring piece 17 is stretched, and the fixing effect is realized between the conical nut 10 and the sleeve 7; the motor 5 drives the winding frame 4 to rotate, the winding frame 4 winds the traction rope 6, and the traction rope 6 pulls the pipe to move towards the direction of the reducing assembly, so that the reducing operation on the pipe is realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a PTFE is sizing draw gear for tubular product which characterized in that: comprises a frame (1), a heating box (2) and a plurality of groups of reducing components with different calibers are arranged on the frame (1), the heating box (2) is provided with a pipe outlet (3), the frame (1) is rotatably connected with a winding frame (4), the furling frame (4) is fixedly connected with a motor (5), the furling frame (4) is fixedly connected with a traction rope (6), the other end of the traction rope (6) is fixedly connected with a sleeve (7), the sleeve (7) is sleeved on the outer side of the pipe, both ends of the sleeve (7) are provided with openings, a clamping cylinder (8) is fixedly connected in the sleeve (7), at least four groups of notches for realizing the expansion of the clamping cylinder (8) are arranged on the circumferential side surface of the end part of the clamping cylinder (8), the circumferential wall surface of the pipe is positioned between the clamping cylinder (8) and the inner wall of the sleeve (7), and a clamping assembly (9) for realizing the clamping connection of the pipe is arranged on the sleeve (7).

2. Sizing draft gear for PTFE tubing according to claim 1, wherein: chucking subassembly (9) include with sleeve (7) swing joint's awl female (10), awl female (10) with a joint section of thick bamboo (8) inner wall sliding connection, awl female (10) circumference lateral wall with a joint section of thick bamboo (8) inner wall butt, awl female (10) cross-section circle size along the orientation heating cabinet (2) direction crescent.

3. Sizing draft gear for PTFE tubing according to claim 2, wherein: the minimum section circle size of the conical nut (10) is not larger than the section circle size of the clamping cylinder (8), and the maximum section circle size of the conical nut (10) is larger than the section circle size of the clamping cylinder (8).

4. Sizing draft gear for PTFE tubing according to claim 3, wherein: the cone nut (10) is far away from one end fixedly connected with fixed block (11) of heating cabinet (2), two sets of spout (12) have been seted up in fixed block (11), spout (12) inner wall elastic connection has peg graft pole (13), a plurality of fixed orificess (14) of group have all been seted up to the both sides that lie in horizontal symmetry line on sleeve (7) circumference lateral wall, peg graft pole (13) peg graft in fixed orifices (14).

5. Sizing draft gear for PTFE tubing according to claim 4, wherein: the insertion rod (13) and the inner wall of the end part of the sliding groove (12) are fixedly connected with a first elastic restoring piece (15).

6. Sizing draft gear for PTFE tubing according to claim 5, wherein: the fixing hole (14) is elastically connected with a driving block (16), and two groups of second elastic restoring pieces (17) are fixedly connected between the driving block (16) and the side wall of the fixing hole (14).

7. Sizing draft gear for PTFE tubing according to claim 6, wherein: the horizontal extension length of the driving block (16) is not less than the horizontal extension size of the fixing hole (14).

8. Sizing draft gear for PTFE tubing according to claim 1, wherein: the circumferential side surface of the clamping cylinder (8) close to the position of the cut is provided with an abutting layer (18) for increasing friction force.

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