CN212917335U

CN212917335U - Three-jaw air cylinder clamping structure of pipe bender

Info

Publication number: CN212917335U
Application number: CN202021306968.4U
Authority: CN
Inventors: 朱宇轩; 陈志祥
Original assignee: Nantong Cangzheng Machinery Co ltd
Current assignee: Nantong Cangzheng Machinery Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-09
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a bending machine three-jaw cylinder clamping structure, comprises a workbench, the three-jaw cylinder is installed to the up end one side of workstation, the right side installation of three-jaw cylinder remains the return bend, treat the front side of return bend and install the return bend base on the workstation, the dwang is installed to the bottom of return bend base, cup joint on the dwang and install the driving gear, driven gear is installed in the left side meshing of driving gear, just driven gear connects through the transmission shaft and installs the three-jaw cylinder, the driving gear with driven gear's the outside just is in the rack is installed to the workstation inside wall, the bottom block is installed to the bottom of workstation, install servo motor in the bottom block. The utility model has the advantages of reasonable overall design, the practicality is strong, has realized mechanical replacement manual operation, has improved production efficiency, has reduced staff's working strength, labour saving and time saving, convenient operation.

Description

Three-jaw air cylinder clamping structure of pipe bender

Technical Field

The utility model relates to a bending machine presss from both sides tight relevant technical field specifically is a bending machine three-jaw cylinder presss from both sides tight structure.

Background

The pipe bender can be used as a jack for bending pipes, is roughly divided into a numerical control pipe bender, a hydraulic pipe bender and the like, and is applied to pipeline laying and building in the aspects of electric power construction, highway construction, bridges, ships and the like.

Pipe bending machines can be broadly classified into numerical control pipe bending machines, hydraulic pipe bending machines, and the like. The pipeline laying and repairing device is mainly used for laying and repairing pipelines in the aspects of electric power construction, highway construction, boilers, bridges, ships, furniture, decoration and the like, and has the advantages of multiple functions, reasonable structure, simplicity in operation and the like. The machine has the pipe bending function, can also use the oil cylinder as a hydraulic jack, has the characteristics of low price and convenient use compared with numerical control pipe bending equipment, and occupies the leading product position in the domestic pipe bending machine market.

However, the clamping structure of the pipe bending machine in the prior art mostly adopts manual operation, wastes time and labor, is low in efficiency, and increases the working strength of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bending machine three-jaw cylinder presss from both sides tight structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a three-jaw cylinder clamping structure of a pipe bending machine comprises a workbench, wherein a three-jaw cylinder is installed on one side of the upper end face of the workbench, a cylinder connecting plate is installed at the output end of the three-jaw cylinder, a plurality of clamping jaw connecting blocks are slidably installed on the end face of the cylinder connecting plate, fixed clamping jaws are welded and installed on the outer end faces of the clamping jaw connecting blocks, a pipe to be bent is installed on the right side of the three-jaw cylinder, a pipe bending base is installed on the workbench and is provided with a pipe bending front side, a rotating rod is installed at the bottom of the pipe bending base and penetrates through the end face of the workbench and extends into the workbench, a driving gear is installed on the rotating rod in a sleeved mode, a driven gear is installed on the left side of the driving gear in a meshed mode, the driven gear is connected with the three-jaw cylinder through a transmission shaft, the driving gear, the bottom welding of workstation installs the bottom block, install servo motor in the bottom block, just servo motor's output passes through the coupling joint and installs the dwang.

Preferably, the four end corners at the bottom of the workbench are welded with supporting rods.

Preferably, the outside of the servo motor is installed in the bottom block through a fixing plate.

Preferably, the bottom of the three-jaw cylinder is provided with a moving block, and the lower part of the moving block and the end surface of the workbench are provided with approximately one-half circular guide rails.

Preferably, the design quantity of the clamping jaw connecting blocks and the fixed clamping jaws is three, and the clamping jaw connecting blocks and the fixed clamping jaws are installed along the circumferential direction of the cylinder connecting plate.

Preferably, the inner end face of the fixed clamping jaw is provided with a rubber pad in an adhering mode.

Compared with the prior art, the beneficial effects of the utility model are that: at first will treat the return bend to walk around the rear side of return bend base and contact with the cylinder connecting plate of three-jaw cylinder, start the three-jaw cylinder, control clamping jaw connecting block inwards moves on the cylinder connecting plate, make three fixed clamping jaw press from both sides with the one end of treating the return bend and fix, then start servo motor, drive dwang on the one hand drives return bend base anticlockwise rotation on the other hand and passes through the driving gear on the dwang and drive driven gear, make driving gear and driven gear be circular motion along the anticlockwise at workstation internal gear rail, press from both sides the movable block that fixes the three-jaw cylinder lower part of treating the return bend and move along the guide rail direction at last and.

The utility model has the advantages of reasonable overall design, the practicality is strong, has realized mechanical replacement manual operation, has improved production efficiency, has reduced staff's working strength, labour saving and time saving, and convenient operation has advantages such as excellent in use effect.

Drawings

Fig. 1 is a schematic view of the overall structure of a three-jaw cylinder clamping structure of a pipe bender of the present invention;

fig. 2 is a schematic top view of the three-jaw cylinder clamping structure of the pipe bender of the present invention;

fig. 3 is an enlarged schematic structural view of a position a in the three-jaw cylinder clamping structure diagram 2 of the pipe bender of the present invention.

In the figure: 1. a work table; 2. a three-jaw cylinder; 3. a cylinder connecting plate; 4. a clamping jaw connecting block; 5. fixing the clamping jaw; 6. bending the pipe; 7. a bent pipe base; 8. rotating the rod; 9. a driving gear; 10. a driven gear; 11. a rack rail; 12. a bottom block; 13. a servo motor; 14. a support bar; 15. a moving block; 16. a guide rail; 17. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a three-jaw cylinder clamping structure of a pipe bender comprises a workbench 1, a three-jaw cylinder 2 is installed on one side of the upper end face of the workbench 1, a cylinder connecting plate 3 is installed at the output end of the three-jaw cylinder 2, a plurality of clamping jaw connecting blocks 4 are slidably installed on the end face of the cylinder connecting plate 3, fixed clamping jaws 5 are welded and installed on the outer end faces of the clamping jaw connecting blocks 4, a pipe to be bent 6 is installed on the right side of the three-jaw cylinder 2, a pipe bending base 7 is installed on the front side of the pipe to be bent 6 and on the workbench 1, a rotating rod 8 is installed at the bottom of the pipe bending base 7, the rotating rod 8 penetrates through the end face of the workbench 1 and extends into the workbench 1, a driving gear 9 is installed on the rotating rod 8 in a sleeved mode, a driven gear 10 is installed on the left side of the driving gear 9 in a meshed mode, the three-jaw cylinder 2, a bottom block 12 is welded at the bottom of the workbench 1, a servo motor 13 is arranged in the bottom block 12, and the output end of the servo motor 13 is connected with and provided with a rotating rod 8 through a coupler;

four end corners at the bottom of a workbench 1 are welded and provided with supporting rods 14, the outside of a servo motor 13 is arranged in a bottom block 12 through a fixing plate, the bottom of a three-jaw cylinder 2 is provided with a moving block 15, the lower part of the moving block 15 is provided with a half round guide rail 16 close to the end face of the workbench 1, the design number of clamping jaw connecting blocks 4 and fixed clamping jaws 5 is three, the clamping jaw connecting blocks are arranged along the circumferential direction of a cylinder connecting plate 3, the inner end face of the fixed clamping jaw 5 is adhered and provided with a rubber pad 17, firstly, a pipe to be bent 6 is in contact with the cylinder connecting plate 3 of the three-jaw cylinder 2 by bypassing the rear side of a pipe bending base 7, the three-jaw cylinder 2 is started, the clamping jaw connecting blocks 4 are controlled to move inwards on the cylinder connecting plate 3, so that the three fixed clamping jaws 5 are clamped and fixed with one end of the pipe to be bent 6, then, the servo motor 13, make driving gear 9 and driven gear 10 circular motion along anticlockwise in workstation 1 internal rack 11, press from both sides the movable block 15 of tightly fixing the three-jaw cylinder 2 lower part of waiting return bend 6 at last and remove along the 16 directions of guide rail and realize the return bend operation, the utility model has the advantages of reasonable overall design, the practicality is strong, has realized mechanical replacement manual operation, has improved production efficiency, has reduced staff's working strength, labour saving and time saving, and convenient operation has excellent in use effect.

The working principle is as follows: the utility model discloses a when using, at first will treat that return bend 6 contacts with the cylinder connecting plate 3 of three-jaw cylinder 2 around the rear side of return bend base 7, start three-jaw cylinder 2, control clamping jaw connecting block 4 inwards moves on cylinder connecting plate 3, make three fixed clamping jaw 5 press from both sides fixedly with the one end of treating return bend 6, then start servo motor 13, drive dwang 8 side drives 7 anticlockwise rotation of return bend base on the other hand and passes through driving gear 9 on the dwang 8 and drive driven gear 10, make driving gear 9 and driven gear 10 rack rail 11 be circular motion along the anticlockwise in workstation 1, press from both sides at last and fix the movable block 15 that treats 2 lower parts of three-jaw cylinder of return bend 6 and remove along 16 directions of guide rail and realize the return bend operation, the device overall design is reasonable, and has the operation is simple, high durability and convenient use, excellent advantages of excellent use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bending machine three-jaw cylinder presss from both sides tight structure, includes workstation (1), its characterized in that: three-jaw cylinder (2) is installed to up end one side of workstation (1), cylinder connecting plate (3) are installed to the output of three-jaw cylinder (2), the terminal surface slidable mounting of cylinder connecting plate (3) has a plurality of clamping jaw connecting blocks (4), fixed clamping jaw (5) are installed to the outer terminal surface welded mounting of clamping jaw connecting block (4), the right side installation of three-jaw cylinder (2) remains return bend (6), treat the front side of return bend (6) and just install return bend base (7) on workstation (1), dwang (8) are installed to the bottom of return bend base (7), just dwang (8) run through the terminal surface of workstation (1) and stretch into to inside workstation (1), cup joint on dwang (8) and install driving gear (9), driven gear (10) are installed in the left side meshing of driving gear (9), just driven gear (10) are connected through the transmission shaft and are installed three-jaw cylinder (2), driving gear (9) with the outside of driven gear (10) just is in rack (11) are installed to workstation (1) inside wall, the bottom welded mounting of workstation (1) has bottom block (12), install servo motor (13) in bottom block (12), just dwang (8) are installed through the coupling joint to the output of servo motor (13).

2. The three-jaw cylinder clamping structure of the pipe bender according to claim 1, wherein: and supporting rods (14) are welded at four end corners at the bottom of the workbench (1).

3. The three-jaw cylinder clamping structure of the pipe bender according to claim 1, wherein: the outside of the servo motor (13) is installed in the bottom block (12) through a fixing plate.

4. The three-jaw cylinder clamping structure of the pipe bender according to claim 1, wherein: the bottom of the three-jaw cylinder (2) is provided with a moving block (15), and the lower part of the moving block (15) and the end surface of the workbench (1) are provided with a half round guide rail (16).

5. The three-jaw cylinder clamping structure of the pipe bender according to claim 1, wherein: the clamping jaw connecting blocks (4) and the fixed clamping jaws (5) are three in design number and are installed along the circumferential direction of the cylinder connecting plate (3).

6. The three-jaw cylinder clamping structure of the pipe bender according to claim 1, wherein: and a rubber pad (17) is adhered to the inner end surface of the fixed clamping jaw (5).