CN219004321U

CN219004321U - Double-end pipe expander

Info

Publication number: CN219004321U
Application number: CN202223556978.5U
Authority: CN
Inventors: 金小兵; 邵伟宸; 张洪文; 朱利伟
Original assignee: Shandong Kentong Bicycle Co ltd
Current assignee: Shandong Kentong Bicycle Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-12
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a double-head pipe expander, which relates to the technical field of pipe expanding processing and comprises a workbench, wherein a sliding plate is arranged on one side of the upper end of the workbench, a hydraulic pump is fixedly connected to the middle part of one side of the sliding plate, a second supporting plate is fixedly connected to one side of the hydraulic pump, the output end of the hydraulic pump is fixedly connected with a conveying rod, one end of the conveying rod is fixedly connected with a moving block, a second groove is formed in one side of the moving block, a moving rod is rotatably connected to the inner side wall of the second groove, and one end of the moving rod is rotatably connected with a clamping jaw. According to the utility model, due to the arrangement of the clamping jaws, when pipe fittings on the bicycle are different in size, and when pipe expanding heads with different sizes are required to be replaced during pipe expanding, the hydraulic pump is started to stretch the transmission rod, so that the size of the pipe expanding heads clamped by the clamping jaws can be adjusted, the effect of one pipe expanding device on pipe fittings with different sizes is realized, and the cost of purchasing equipment is reduced.

Description

Double-end pipe expander

Technical Field

The utility model relates to the technical field of pipe expanding processing, in particular to a double-head pipe expander.

Background

In order to facilitate connection, the pipeline is required to be flared by a flaring machine in the use process, and a flaring head with the diameter larger than that of the pipeline is inserted into a pipeline port to perform flaring operation.

In the prior art, as disclosed in chinese patent CN216683334U, a double-end pipe expanding device for PVC pipes is disclosed, in order to solve the problems of low processing efficiency and serious heat source waste caused by a step-by-step manner in which two ends of PVC pipes are expanded to form a large end section. The PVC pipe clamping device comprises a frame and a working platform, wherein a clamping part for clamping a PVC pipe is arranged in the middle of the working platform, linear modules are respectively arranged on the working platforms on two sides of the clamping part, a rotating motor is arranged on a sliding seat of the linear modules, an output shaft of the rotating motor is connected with a rotating flange plate, and an extrusion forming mechanism is arranged on the rotating flange plate; the sliding block is characterized in that sliding grooves are formed in two linear guide rails of the linear module, sliding blocks capable of sliding in the sliding grooves are sleeved in the sliding grooves, the sliding blocks on the two linear guide rails of the linear module are connected together through a connecting rod, and a limiting block used for limiting the sliding seat is arranged on the connecting rod.

However, in the prior art, when the double-end pipe expander is used for processing, because the pipe fittings on the bicycle are different in size, the required pipe expansion is different, most of the double-end pipe expander can only expand one pipe fitting, but cannot process and expand the pipe fittings with different sizes, and when the pipe fittings with different pipe diameters are expanded, various pipe expansion equipment is needed to be purchased, so that the cost of the pipe expansion equipment for producing the pipe fittings with different specifications is increased.

Disclosure of Invention

The utility model aims to solve the problems that when a double-end pipe expander in the prior art is used for processing, the required pipe expander is different due to the fact that the pipe fittings on a bicycle are different in size, most of double-end pipe expanders can only expand one pipe fitting, but cannot process and expand pipe fittings with different sizes, when pipe fittings with different pipe diameters are expanded, various pipe expander devices are needed to be purchased, and the cost of the pipe expander is increased when pipe fittings with different specifications are produced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a double-end expander, includes the workstation, upper end one side of workstation is provided with the slide, fixedly connected with hydraulic pump in slide one side middle part, one side fixedly connected with No. two backup pads of hydraulic pump, the output fixedly connected with transfer line of hydraulic pump, the one end fixedly connected with motion piece of transfer line, no. two recesses have been seted up to one side of motion piece, the inside wall rotation of No. two recesses is connected with the transfer pole, the one end rotation of transfer pole is connected with the clamping jaw, one side joint of clamping jaw has the expansion head.

Preferably, one side fixedly connected with bracing piece of No. two backup pads, the one end fixedly connected with backup pad of bracing piece, the lateral wall of transfer line and the middle part sliding connection of No. two backup pads and No. one backup pads.

Preferably, a baffle is fixedly connected to one side of the upper end of the workbench, an electric telescopic rod is fixedly connected to the middle of one side of the baffle, and one end of the electric telescopic rod is fixedly connected with one side of the sliding plate.

Preferably, a slide way is fixedly connected to one side of the upper end of the workbench, a slide hole is formed in the lower end of the slide plate, and the slide way is in sliding connection with the slide plate.

Preferably, a support frame is fixedly connected to one side of the middle part of the workbench, a second electric telescopic rod is fixedly connected to one side of the support frame, and a first fixing block is fixedly connected to one end of the second electric telescopic rod.

Preferably, the middle part of the upper end of the workbench is fixedly connected with a second fixing block, and a first groove is formed in one side of the second fixing block and one side of the first fixing block.

Preferably, a sliding rod is arranged between the second fixing block and the supporting frame, and the inside of the first fixing block is in sliding connection with the outer side wall of the sliding rod.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, due to the arrangement of the clamping jaws, when pipe fittings on the bicycle are different in size, and when pipe expanding heads with different sizes are required to be replaced during pipe expanding, the hydraulic pump is started to stretch the transmission rod, and the size of the pipe expanding heads clamped by the clamping jaws can be adjusted, so that the effect of one pipe expanding device on pipe fittings with different sizes is realized, and the cost of purchasing equipment is reduced.

2. According to the utility model, through the arrangement of the second electric telescopic rod, during processing, the pipe fitting is placed in the first groove, the second electric telescopic rod is started, the first fixing block is overlapped with the second fixing block, and the pipe expansion failure caused by sliding of the pipe fitting during pipe expansion is prevented.

Drawings

FIG. 1 is a schematic diagram showing a front perspective view of a double-ended pipe expander according to the present utility model;

FIG. 2 is a schematic diagram showing a side view and a perspective structure of a double-ended pipe expander according to the present utility model;

FIG. 3 is an enlarged view of the partial structure of FIG. 1A;

fig. 4 is a diagram showing the connection structure between the clamping jaw and the hydraulic pump in the double-head pipe expander according to the present utility model.

Legend description: 1. a work table; 2. a baffle; 3. a first electric telescopic rod; 4. a slide plate; 5. a hydraulic pump; 6. a slideway; 7. a support frame; 8. a second electric telescopic rod; 9. a slide bar; 10. a tube expansion head; 11. a first fixed block; 12. a second fixed block; 13. a first groove; 14. a slide hole; 15. a first support plate; 16. a support rod; 17. a transfer lever; 18. a motion block; 19. a second supporting plate; 20. a clamping jaw; 21. a second groove; 22. the lever is maneuvered.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In the embodiment 1, as shown in fig. 1-4, the utility model provides a double-end pipe expander, which comprises a workbench 1, wherein a sliding plate 4 is arranged on one side of the upper end of the workbench 1, a hydraulic pump 5 is fixedly connected to the middle part of one side of the sliding plate 4, a second supporting plate 19 is fixedly connected to one side of the hydraulic pump 5, a conveying rod 17 is fixedly connected to the output end of the hydraulic pump 5, a moving block 18 is fixedly connected to one end of the conveying rod 17, a second groove 21 is formed in one side of the moving block 18, a transfer rod 22 is rotatably connected to the inner side wall of the second groove 21, one end of the transfer rod 22 is rotatably connected with a clamping jaw 20, one side of the clamping jaw 20 is clamped with a pipe expanding head 10, and through the arrangement of the clamping jaw 20, when the pipe expanding heads 10 with different sizes are required to be replaced during pipe expanding, the sizes of the pipe expanding heads 10 clamped by the clamping jaw 20 can be adjusted by starting the hydraulic pump 5, so that the effect of pipe expanding equipment for expanding pipe of pipe expanding of different sizes can be realized.

As shown in fig. 1 and 2, a support rod 16 is fixedly connected to one side of the second support plate 19, one end of the support rod 16 is fixedly connected to the first support plate 15, the outer side wall of the conveying rod 17 is slidably connected with the middle parts of the second support plate 19 and the first support plate 15, and the support rod 16 is used for adjusting the clamping jaw 20 when the conveying rod 17 stretches and contracts, so that the clamping jaw 20 is prevented from being difficult to adjust.

As shown in fig. 1 and 2, a baffle plate 2 is fixedly connected to one side of the upper end of the workbench 1, an electric telescopic rod 3 is fixedly connected to the middle of one side of the baffle plate 2, one end of the electric telescopic rod 3 is fixedly connected with one side of the sliding plate 4, and the electric telescopic rod 3 is used for providing force for expanding the pipe head 10 and expanding the pipe.

As shown in fig. 1 and 2, a slide 6 is fixedly connected to one side of the upper end of the workbench 1, a slide hole 14 is formed in the lower end of the slide plate 4, the slide 6 is slidably connected with the slide plate 4, and the slide 6 is used for facilitating sliding and preventing friction force from affecting pipe expansion when pipe expansion is performed.

As shown in fig. 1 and 2, a support frame 7 is fixedly connected to one side of the middle part of the workbench 1, a second electric telescopic rod 8 is fixedly connected to one side of the support frame 7, a first fixing block 11 is fixedly connected to one end of the second electric telescopic rod 8, the first fixing block 11 is overlapped with the second fixing block 12 by the electric telescopic rod 8, and the phenomenon that a pipe is unqualified due to the fact that a pipe fitting slides during pipe expanding is prevented.

As shown in fig. 1 and 2, a second fixing block 12 is fixedly connected to the middle of the upper end of the workbench 1, and a first groove 13 is formed in one side of the second fixing block 12 and one side of the first fixing block 11, and the first groove 13 is used for clamping a pipe fitting and preventing the pipe fitting from sliding.

As shown in fig. 1 and 2, a sliding rod 9 is arranged between the second fixing block 12 and the supporting frame 7, the inside of the first fixing block 11 is slidably connected with the outer side wall of the sliding rod 9, and the sliding rod 9 is used for facilitating the sliding of the first fixing block 11.

The application method and the working principle of the device are as follows: when the device is used, firstly, the pipe fitting is placed in the first groove 13, the second electric telescopic rod 8 is opened, the first fixed block 11 is overlapped with the second fixed block 12, the pipe expansion failure caused by sliding of the pipe fitting during pipe expansion is prevented, the first electric telescopic rod 3 is opened, the sliding plate 4 slides on the sliding way 6, the pipe expander head 10 expands the pipe fitting on a bicycle, when the pipe expander head 10 needs to be replaced during pipe expansion, the hydraulic pump 5 is opened, the transmission rod 17 is stretched, and the clamping jaw 20 can be adjusted to clamp the size of the pipe expander head 10, so that the pipe expander head is convenient to replace.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a double-end expander, includes workstation (1), its characterized in that: the automatic feeding device is characterized in that a sliding plate (4) is arranged on one side of the upper end of the workbench (1), a hydraulic pump (5) is fixedly connected to the middle of one side of the sliding plate (4), a second supporting plate (19) is fixedly connected to one side of the hydraulic pump (5), a conveying rod (17) is fixedly connected to the output end of the hydraulic pump (5), a moving block (18) is fixedly connected to one end of the conveying rod (17), a second groove (21) is formed in one side of the moving block (18), a transfer rod (22) is rotatably connected to the inner side wall of the second groove (21), a clamping jaw (20) is rotatably connected to one end of the transfer rod (22), and a pipe expanding head (10) is clamped on one side of the clamping jaw (20).

2. A double-ended tube expander as defined in claim 1 wherein: one side fixedly connected with bracing piece (16) of No. two backup pads (19), the one end fixedly connected with backup pad (15) of bracing piece (16), the lateral wall and the middle part sliding connection of No. two backup pads (19) and No. one backup pad (15) of conveying pole (17).

3. A double-ended tube expander as defined in claim 1 wherein: the workbench is characterized in that a baffle plate (2) is fixedly connected to one side of the upper end of the workbench (1), an electric telescopic rod (3) is fixedly connected to the middle of one side of the baffle plate (2), and one end of the electric telescopic rod (3) is fixedly connected with one side of the sliding plate (4).

4. A double-ended tube expander as defined in claim 1 wherein: the workbench is characterized in that a slide way (6) is fixedly connected to one side of the upper end of the workbench (1), a slide hole (14) is formed in the lower end of the slide plate (4), and the slide way (6) is in sliding connection with the slide plate (4).

5. A double-ended tube expander as defined in claim 1 wherein: the workbench is characterized in that a support frame (7) is fixedly connected to one side of the middle of the workbench (1), a second electric telescopic rod (8) is fixedly connected to one side of the support frame (7), and a first fixing block (11) is fixedly connected to one end of the second electric telescopic rod (8).

6. A double-ended tube expander as defined in claim 1 wherein: the middle part of the upper end of the workbench (1) is fixedly connected with a second fixing block (12), and a first groove (13) is formed in one side of the second fixing block (12) and one side of the first fixing block (11).

7. A double-ended tube expander as defined in claim 6 wherein: a sliding rod (9) is arranged between the second fixing block (12) and the supporting frame (7), and the inside of the first fixing block (11) is in sliding connection with the outer side wall of the sliding rod (9).