CN211390118U

CN211390118U - PVC pipe bending device

Info

Publication number: CN211390118U
Application number: CN201921825855.2U
Authority: CN
Inventors: 余荣高
Original assignee: Individual
Current assignee: Suining Xinyu Water Supply Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-09-01
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to a tubular product processing technology field especially relates to a PVC pipe bending device. The technical problem of the utility model is how to design an equipment that is used for bending the PVC pipe, can bend into different curvatures to different bore PVC pipes simultaneously. The concrete technical scheme includes that the lower plate comprises a lower plate body, a supporting plate, a rotary plate and a rotating handle, the upper surface of the lower plate body is fixedly provided with the supporting plate which is arranged along the vertical direction, the rotary plate is installed on one side of the supporting plate in a rotating mode, the rotating handle is installed on the other side of the supporting plate in a rotating mode, the PVC pipe is bent to be formed, different curvatures can be formed for PVC pipes with different calibers, and therefore production cost is saved.

Description

PVC pipe bending device

Technical Field

The utility model relates to a tubular product processing technology field especially relates to a PVC pipe bending device.

Background

When the PVC pipe bending equipment is designed, factors to be considered include different occasions where the PVC pipe is suitable, the size of the caliber of the PVC pipe and the like, and the factors can influence the curvature radius of the PVC pipe during bending;

at present, PVC pipes bending equipment on the market can only bend PVC pipes with the same curvature, and can only realize the purpose of bending PVC pipes with different angles; however, when the bent pipes with different curvatures need to be bent differently, equipment needs to be replaced, and the production cost is greatly increased.

Therefore, in order to reduce the production cost, it is necessary to design a device capable of bending PVC pipes into different curvatures, which is used to solve the above technical problems and achieve the purpose of reducing the production cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems that the bending angles of the manual bending PVC pipes are different and how to bend different PVC pipes into different curvatures, the equipment for bending the PVC pipes is provided, and meanwhile, the PVC pipes can be bent into different curvatures.

The technical scheme of the utility model is that: the upper surface of the lower bottom plate is fixedly provided with a supporting plate arranged along the vertical direction, one side of the supporting plate is rotatably provided with the turntable, the other side of the supporting plate is rotatably provided with the rotating handle, the rotating handle is fixedly provided with a rotating shaft for connecting the turntable, the rotating shaft penetrates through an avoidance hole in the supporting plate and is welded on the turntable, the surface of the turntable, which is opposite to the supporting plate, is radially and fixedly provided with a mounting seat, a strip-shaped sliding groove and a threaded hole are formed in the mounting seat, a threaded rod is meshed in the threaded hole, two ends of the threaded rod extend to the periphery of the mounting seat along the length direction of the strip-shaped sliding groove, the middle of the threaded rod is provided with a polished rod section, and the diameter of the polished rod section is smaller than that of a; a sliding block is arranged in the strip-shaped sliding groove in a sliding manner, and the sliding block is rotationally arranged in the polished rod section; a first clamping plate and a second clamping plate for fixing the PVC pipe are arranged on the sliding block; the first clamping plate is positioned between the second clamping plate and the axis position of the turntable; the clamping plate I is detachably provided with an arc-shaped heating plate; a rodless cylinder which is vertically arranged is fixed on the lower bottom plate, and a pressing plate is horizontally fixed at the output end of the rodless cylinder.

Furthermore, the both ends of threaded rod are engaged with respectively and are provided with the nut, and the setting of nut is used for controlling the rotation of threaded rod, when rotating the nut and making the nut laminating on the mount pad, can realize the fixed to the threaded rod.

Furthermore, the first clamping plate and the second clamping plate are welded on the sliding block.

Furthermore, the first clamping plate is welded on the sliding block; the PVC pipe clamping device is characterized in that a supporting block is fixed on the sliding block, a guide rod is fixed between the supporting block and the first clamping plate, the second clamping plate is arranged on the guide rod in a sliding mode, and a spring is fixedly connected between the second clamping plate and the supporting block and used for clamping PVC pipes with different calibers.

Furthermore, a connecting rod is horizontally fixed on the pressing plate, a rubber block is fixed at the other end of the connecting rod, a channel for allowing a PVC pipe to pass through is arranged in the rubber block, conical openings are arranged at two ends of the channel, and the maximum diameter of each conical opening is larger than the outer diameter of the PVC pipe; the aperture of the channel is smaller than the outer diameter of the PVC pipe. The PVC pipe bending clamp is used for clamping the PVC pipe, so that the PVC pipe can be effectively prevented from shaking when being bent.

Furthermore, one surface of the rubber block facing the lower bottom plate is provided with a crack penetrating to the channel.

The beneficial effects are that: the utility model discloses in, be provided with and carry out the fixed screens board one of centre gripping and screens board two to the PVC pipe to can dismantle on screens board one and set up the arc hot plate, and set up the clamp plate on the PVC pipe and come the shaping of bending to the PVC pipe, manual will rotate handle rotation 90, the same angle's rotation is done to the carousel, takes place the perk when preventing the PVC pipe to bend this moment, and the PVC pipe takes place to rotate under screens board one and screens board two are fixed, and prolong the arcwall face bending of arc hot plate, the utility model discloses simple structure, the operation of being convenient for, and can carry out bending of different curvatures to the PVC pipe.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a first installation manner of the first clamping plate and the second clamping plate of the present invention.

Fig. 3 is a schematic view of a second installation manner of the first clamping plate and the second clamping plate of the present invention.

Fig. 4 is a schematic view of the installation relationship of the middle rubber block of the present invention.

Fig. 5 is a cross-sectional view of the rubber block of the present invention.

Fig. 6 is a left side view of the middle rubber block of the present invention.

Fig. 7 is the utility model discloses well threaded rod and sliding block cooperation sketch map.

In the reference symbols: 1. a lower base plate; 11. a support plate; 12. a turntable; 13. rotating the handle; 14. a mounting seat; 15. a strip-shaped chute; 16. a threaded rod; 17. a slider; 18. a nut; 21. a first clamping plate; 22. a second clamping plate; 23. an arc-shaped heating plate; 24. a rodless cylinder; 25. pressing a plate; 31. a support block; 32. a guide bar; 33. a spring; 41. a rubber block; 43. a channel; 44. cracking; 161. a polished rod section.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1, 2 and 7, a PVC pipe bending apparatus includes a lower plate 1, a support plate 11, a rotary table 12 and a rotary handle 13, the support plate 11 is fixed on the upper surface of the lower plate 1 along the vertical direction, one side of the support plate 11 is rotatably provided with the rotary table 12, the other side of the support plate 11 is rotatably provided with the rotary handle 13, the rotary handle 13 is fixed with a rotary shaft for connecting the rotary table 12, and the rotary shaft penetrates through an avoiding hole on the support plate 11 and is welded on the rotary table 12; a mounting seat 14 is radially fixed on the surface of the turntable 12 opposite to the support plate 11, a strip-shaped sliding groove 15 is arranged in the mounting seat 14, a threaded hole is arranged in the mounting seat 14, a threaded rod 16 is engaged in the threaded hole, two ends of the threaded rod 16 extend to the periphery of the mounting seat 14 along the length direction of the strip-shaped sliding groove 15, a polished rod section 161 is arranged in the middle of the threaded rod 16, a sliding block 17 is slidably arranged in the strip-shaped sliding groove 15, the sliding block 17 is rotatably arranged in the polished rod section 161, and the diameter of the polished rod section 161 is smaller than that of a threaded part arranged in the threaded rod 16, so that the sliding block 17 can be rotatably clamped; a first clamping plate 21 and a second clamping plate 22 for fixing the PVC pipe are fixed on the sliding block 17, and the first clamping plate 21 is positioned between the second clamping plate 22 and the axis position of the turntable 12; the clamping plate I21 is detachably provided with an arc-shaped heating plate 23; during the rotation of the threaded rod 16, the sliding block 17 generates linear motion, so that the position of the sliding block 17 on the rotating disc 12 can be adjusted; since the curvature of the PVC pipe is related to the position of the sliding block 17, after the position of the sliding block 17 is adjusted, the arc heating plate 23 with proper curvature needs to be replaced on the first detent plate 21.

A rodless cylinder 24 which is vertically arranged is fixed on the lower bottom plate 1, the rodless cylinder 24 is controlled by an external controller, the specific working mode of the rodless cylinder 24 belongs to the common knowledge, and the detailed description is omitted; a pressing plate 25 is horizontally fixed on the output end of the rodless cylinder 24, and the pressing plate 25 is used for pressing the PVC pipe so as to effectively bend the PVC pipe; the pressing plate 25 and one side of the PVC pipe at low pressure are concave cambered surfaces, so that the attaching degree of the pressing plate and the PVC pipe can be increased, and the shaking degree of the PVC pipe during bending is reduced; the PVC pipe is inserted between the first clamping plate 21 and the second clamping plate 22, the heating button of the arc-shaped heating plate 23 is started, the handle 13 is rotated manually, the PVC pipe can be bent and molded, and the bending curvature of the PVC pipe is consistent with that of the arc-shaped heating plate 23.

Nuts 18 are respectively meshed at two ends of the threaded rod 16, when the nuts 18 reversely rotate to the two ends of the threaded rod 16, the threaded rod 16 can rotate, and when the nuts 18 relatively move and are clamped on the mounting seat 14, the threaded rod 16 is fixed and cannot rotate, so that the sliding block 17 is limited, and the stability of PVC pipe forming is improved. In the embodiment, the bending radius of the PVC pipe is designed according to the specific shape of the PVC pipe, the sliding block 17 is fixed at a proper position by adjusting the threaded rod 16, the arc-shaped heating plate 23 suitable for bending the PVC pipe is selected to be arranged on the first clamping plate 21, the PVC pipe is inserted between the first clamping plate 21 and the second clamping plate 22, and the output end of the rodless cylinder 24 controls the pressure plate 25 to carry out low pressure on the upper surface of the PVC pipe; then, the heating button of the arc-shaped heating plate 23 is started, the handle 13 is rotated manually, so that the PVC pipe can be bent and molded, and the bending curvature of the PVC pipe is consistent with that of the arc-shaped heating plate 23

Example 2

As shown in fig. 3, on the basis of embodiment 1, the mounting manner of the second locking plate 22 on the sliding block 17 is changed to elastic mounting, a supporting block 31 is fixed on the sliding block 17, a guiding rod 32 is fixed between the supporting block 31 and the first locking plate 21, the second locking plate 22 is slidably disposed on the guiding rod 32, and a spring 33 is fixedly connected between the second locking plate 22 and the supporting block 31; the second clamping plate 22 is pulled manually to move towards the side far away from the first clamping plate 21, then the PVC pipe is inserted and penetrates between the second clamping plate 22 and the first clamping plate 21, and after the hand is released, the second clamping plate 22 compresses the PVC pipe under the thrust of the spring 33.

Example 3

As shown in fig. 4-5, on the basis of embodiment 1 or 2, the rubber block 41 is added to tension the PVC pipe, so as to prevent the PVC pipe from shaking during bending, and the rubber block 41 is fixed on the pressing plate 25 through a connecting rod; a channel 43 for allowing the PVC pipe to pass through is arranged in the rubber block 41, and two ends of the channel 43 are provided with conical openings, wherein the aperture of the channel 43 is smaller than the outer diameter of the PVC pipe, and the maximum diameter of each conical opening is larger than the outer diameter of the PVC pipe; when the PVC pipe passes through the channel 43, the channel 43 is elastically deformed so as to generate pressure on the PVC pipe; when rotating handle 13 and coming to bend the PVC pipe, passageway 43 in the rubber block 41 can take place the friction with the PVC pipe to take place to the PVC pipe and take up, effectively prevented that the PVC pipe from taking place to rock when bending.

On this basis, the rubber block 41 is equipped with the crack 44 that runs through to passageway 43 towards the one side of lower plate 1, and crack 44 is through self elastic deformation, can make the PVC pipe follow vertical direction roll-off rubber block 41.

When the PVC pipe formed in the embodiments 1 and 2 is taken out, the output end of the rodless cylinder 24 drives the pressing plate 25 to move upwards, and then the PVC pipe is manually taken out from between the second clamping plate 22 and the first clamping plate 21 along the axial direction of the rotary table 12; the example 3 is similar to the examples 1 and 2, except that when the output end of the rodless cylinder 24 drives the pressing plate 25 to move upwards, the rubber block 41 moves upwards, so that the PVC pipe is separated from the clamping plate I21 and the clamping plate II 22 in the vertical direction through the slit 44 in the rubber block 41, and then the PVC pipe is manually taken out from the position between the clamping plates I21 and II 22 along the axial direction of the rotating disc 12.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The utility model provides a PVC pipe bending device, including lower plate (1), backup pad (11), carousel (12) and rotation handle (13), the last fixed surface of lower plate (1) has backup pad (11) along the setting of vertical direction, carousel (12) are installed in one side rotation of backup pad (11), and the opposite side rotation of backup pad (11) installs rotation handle (13), be fixed with the axis of rotation that is used for connecting carousel (12) on rotation handle (13), this axis of rotation passes the hole welding of dodging on backup pad (11) on carousel (12), its characterized in that: a mounting seat (14) is radially fixed on the surface of the turntable (12) back to the supporting plate (11), a strip-shaped sliding groove (15) and a threaded hole are formed in the mounting seat (14), a threaded rod (16) is meshed in the threaded hole, two ends of the threaded rod (16) extend to the periphery of the mounting seat (14) along the length direction of the strip-shaped sliding groove (15), a light rod section (161) is arranged in the middle of the threaded rod (16), and the diameter of the light rod section (161) is smaller than that of a threaded part in the threaded rod (16); a sliding block (17) is arranged in the strip-shaped sliding groove (15) in a sliding manner, and the sliding block (17) is rotationally arranged in the polished rod section (161); a first clamping plate (21) and a second clamping plate (22) for fixing the PVC pipe are arranged on the sliding block (17); the first clamping plate (21) is positioned between the second clamping plate (22) and the axis position of the rotary disc (12); an arc-shaped heating plate (23) is detachably arranged on the first clamping plate (21); a rodless cylinder (24) which is vertically arranged is fixed on the lower bottom plate (1), and a pressing plate (25) is horizontally fixed at the output end of the rodless cylinder (24).

2. PVC pipe bending device according to claim 1, wherein the threaded rod (16) is provided with nuts (18) at both ends thereof in engagement.

3. The PVC pipe bending device according to claim 2, wherein the first detent plate (21) and the second detent plate (22) are welded to the sliding block (17).

4. The PVC pipe bending device according to claim 2, wherein the first clamping plate (21) is welded on the sliding block (17); the slide block (17) is fixed with supporting block (31), is fixed with guide bar (32) between supporting block (31) and screens board (21), and screens board two (22) slide and set up on guide bar (32), and fixedly connected with spring (33) between screens board two (22) and supporting block (31).

5. The PVC pipe bending device according to claim 3 or 4, wherein a connecting rod is horizontally fixed on the pressing plate (25), a rubber block (41) is fixed at the other end of the connecting rod, a channel (43) for allowing the PVC pipe to pass through is arranged in the rubber block (41), two ends of the channel (43) are provided with conical openings, and the maximum diameter of each conical opening is larger than the outer diameter of the PVC pipe; the aperture of the channel (43) is smaller than the outer diameter of the PVC pipe.

6. PVC pipe bending device according to claim 5, wherein the rubber block (41) is provided with a slit (44) through to the channel (43) on the side facing the lower base plate (1).