CN216297583U

CN216297583U - Heat exchanger production that uses in a flexible way is with mechanism of bending

Info

Publication number: CN216297583U
Application number: CN202121660263.7U
Authority: CN
Inventors: 沈继贵
Original assignee: Hubei Jiema Heat Exchange Equipment Manufacturing Co ltd
Current assignee: Hubei Jiema Heat Exchange Equipment Manufacturing Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-04-15
Anticipated expiration: 2031-07-21

Abstract

The flexibly used bending mechanism for heat exchanger production at least comprises a frame body, wherein a support table is arranged at the bottom of the frame body, a bending wheel is connected onto the support table through a first support, a hydraulic cylinder is arranged at the top of the frame body, the hydraulic cylinder is connected with a lifting plate through a first cylinder shaft, two ends of the bottom of the lifting plate are connected with upper pressing wheels through second supports, supporting auxiliary devices are arranged on left and right side columns of the frame body, a controller is arranged on one side column of the frame body, the flexibly used bending mechanism for heat exchanger production can automatically position a pipe and bend the pipe, and the bending accuracy is high.

Description

Heat exchanger production that uses in a flexible way is with mechanism of bending

Technical Field

The utility model relates to a bending mechanism for flexibly using heat exchanger production, and belongs to the technical field of heat exchanger production.

Background

A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

U type pipe is one of the indirect heating equipment commonly used, and U type pipe need be through bending the processing to tubular product in process of production, and current bending device simple structure needs the manual work to judge the position of bending of tubular product through experience and intuition moreover to ensure that symmetry as far as is bent, this operation has great error, makes the accurate difficult assurance of bending, thereby can influence the production quality of U type pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the existing bending device, provides a flexible bending mechanism for heat exchanger production, can automatically position a pipe and bend the pipe, and has high bending precision.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a heat exchanger production is with mechanism of bending that nimble was used, includes the support body at least, the bottom of support body is equipped with a supporting bench, and has the wheel of bending through first leg joint on the supporting bench, the top of support body is equipped with hydraulic cylinder, and hydraulic cylinder has the lifter plate through first cylinder shaft connection, the both ends of lifter plate bottom all have last pinch roller through second leg joint, all be equipped with support auxiliary device on the side post about the support body, and be equipped with the controller on the one end side post of support body.

Furthermore, first support and second support all include the pivot of being connected with the wheel of bending and last pinch roller respectively, and the both ends of pivot all are connected with the riser through the bearing.

Furthermore, annular grooves are formed in the bending wheel and the upper pressing wheel, and the width of the inner side of each annular groove is smaller than that of the outer side of each annular groove.

Furthermore, the bending wheel and the two upper pressing wheels are positioned on the same vertical surface, the diameter of the two upper pressing wheels is smaller than that of the bending wheel, and the shortest distance between the two upper pressing wheels is greater than the diameter length of the bending wheel.

Further, support auxiliary device and include the backup pad of being connected through first spout and first slider with the support body side post, and be equipped with the reset spring that both ends are connected with first spout inner wall and first slider respectively in the first spout.

Furthermore, a pushing cylinder is arranged on the supporting plate and connected with a pushing plate through a second cylinder shaft, and the pushing plate is connected with the supporting plate through a second sliding block and a second sliding groove.

Furthermore, the tail end of the supporting plate is inclined, and the length of the upper end of the supporting plate is shorter than that of the lower end of the supporting plate.

The bending mechanism for producing the flexibly-used heat exchanger has the beneficial effects that:

(1) this heat exchanger production that uses in a flexible way is with mechanism of bending makes the tubular product of placing on the wheel of bending apply decurrent effort through two last pinch rollers through setting up two pinch rollers and the wheel of bending, and then produces deformation completely, and goes up the pinch roller and the wheel of bending and connect on the riser through pivot and bearing, makes and goes up the pinch roller and can the free rotation to reduced the resistance that tubular product buckled, conveniently bent.

(2) This heat exchanger production that uses in a flexible way is with mechanism of bending makes tubular product be located the buffering recess of the wheel of bending through setting up annular groove and push pedal, receives the effect of push pedal simultaneously, makes tubular product receive spacing all around, and then can carry out accurate location to tubular product, when buckling at the both ends of tubular product simultaneously, the backup pad moves down, keeps away from the backup pad until the both ends of tubular product, and the backup pad receives reset spring's effort to resume to initial condition simultaneously, and tubular product also can normally buckle.

Drawings

Fig. 1 is a schematic diagram of the bending mechanism for producing the flexible heat exchanger according to the present invention.

FIG. 2 is a schematic view of the pipe of the present invention after bending.

Fig. 3 is an enlarged view of the utility model at a in fig. 1.

Figure 4 is a side view of the bending wheel of the present invention.

In the figure: 1. the automatic bending machine comprises a frame body, 2 a supporting table, 3 a first support, 4 a bending wheel, 5 a hydraulic cylinder, 6 a first cylinder shaft, 7 a lifting plate, 8 a second support, 9 an upper pressing wheel, 10 a controller, 11 a supporting auxiliary device, 111 a first sliding groove, 112 a first sliding block, 113 a supporting plate, 114 a reset spring, 115 a pushing cylinder, 116 a second cylinder shaft, 117 a pushing plate, 118 a second sliding block, 119 a second sliding groove, 12 a rotating shaft, 13 a bearing, 14 a vertical plate, 15 an annular groove and 16 a pipe.

Detailed Description

The utility model is further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the bending mechanism for producing a flexibly-used heat exchanger at least comprises a frame body 1, wherein a support table 2 is arranged at the bottom of the frame body 1, a bending wheel 4 is connected to the support table 2 through a first support 3, a hydraulic cylinder 5 is arranged at the top of the frame body 1, the hydraulic cylinder 5 is connected to a lifting plate 7 through a first cylinder shaft 6, two ends of the bottom of the lifting plate 7 are connected to upper pressing wheels 9 through second supports 8, supporting auxiliary devices 11 are arranged on left and right side columns of the frame body 1, and a controller 10 is arranged on one side column of the frame body 1.

Furthermore, first support 3 and second support all 8 include the pivot 12 of being connected with wheel 4 and last pinch roller 9 of bending respectively, and the both ends of pivot 12 all are connected with riser 14 through bearing 13, and upward pinch roller 9 is at the in-process that moves down, and its resistance is reduced in the accessible rotation.

Furthermore, all be equipped with annular groove 15 on wheel 4 of bending and the last pinch roller 9, and annular groove 15's inboard width is narrower than the outside width, and annular groove 15 helps spacing tubular product 16, makes when bending, is difficult for droing.

Further, the bending wheel 4 and the two upper pressing wheels 9 are located on the same vertical surface, the diameter of each upper pressing wheel 9 is smaller than that of the corresponding bending wheel 4, the shortest distance between the two upper pressing wheels 9 is larger than the diameter length of the corresponding bending wheel 4, as shown in fig. 2, in the final bending state, the two upper pressing wheels 9 and the corresponding bending wheels 4 are tightly attached to the pipe, and the condition that the bent U-shaped pipe is neat and accurate can be guaranteed.

Further, the support auxiliary device 11 includes a support plate 113 connected to the side column of the frame body 1 through a first sliding groove 111 and a first sliding block 112, and a return spring 114 is disposed in the first sliding groove 111 and has two ends connected to the inner wall of the first sliding groove 111 and the first sliding block 112, respectively, and the return spring 114 can restore the support plate 113 to the initial state, thereby facilitating the next operation. The use is very convenient.

Furthermore, a pushing cylinder 115 is arranged on the supporting plate 113, the pushing cylinder 115 is connected with a pushing plate 117 through a second cylinder shaft 116, the pushing plate 117 is connected with the supporting plate 111 through a second sliding block 118 and a second sliding groove 119, after the pushing cylinders 115 on two sides push the pushing plate 117, the distance between the two pushing plates 117 is equal to the length of the pipe 16, the pipe 16 is uniformly placed on the bending wheel 4, the middle of the pipe 16 is tangent to the highest position of the bending wheel 4, and the bending accuracy can be ensured.

Further, the end of the support plate 113 is inclined, and the length of the upper end of the support plate 113 is shorter than the length of the lower end of the support plate 113, preferably, a protective sleeve is arranged at the end of the support plate 113 to prevent the edges of the two ends of the tube 16 from scratching the support plate 113 in the process of descending, and to shorten the service life of the support plate 113.

The flexibly used bending mechanism for producing the heat exchanger comprises the following use steps: placing the tube 16 in the annular groove 15 on the bending wheel 4, placing two ends of the tube 16 on the support plates 113 on the left and right sides respectively, starting the pushing cylinders 115 on the left and right sides, moving the push plates 117 forward a small distance, making the distance between the two push plates 117 exactly equal to the length of the tube 16, starting the hydraulic cylinder 5, making the two upper press wheels 9 move downward synchronously, and applying a downward action to the tube 16, bending the tube 16, applying a downward action to the support plates 113 at two ends of the tube 16, moving the support plates 113 along the first sliding chute 111, making two ends of the tube 16 do arc motion, making two ends of the tube 16 leave the support plates 113, restoring the support plates 113 to an initial state under the action of the return spring 114, continuing the upper press wheels 9 to move downward, continuing to bend two ends of the tube 16 downward until the tube 16 is U-shaped as shown in fig. 2, in the process of bending the pipe 16, the upper pressure wheel 9 is connected with the bearing 13 through the rotating shaft 12, so that the upper pressure wheel 9 rotates and moves downwards, and the resistance is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a heat exchanger production of nimble use is with mechanism of bending, includes the support body at least, its characterized in that: the bottom of support body is equipped with a supporting bench, and has the wheel of bending through first leg joint on the supporting bench, the top of support body is equipped with hydraulic cylinder, and hydraulic cylinder has the lifter plate through first cylinder shaft connection, the both ends of lifter plate bottom all have the pinch roller through second leg joint, all be equipped with support auxiliary device on the side post about the support body, and be equipped with the controller on the one end side post of support body.

2. The bending mechanism for flexibly using the heat exchanger as claimed in claim 1, wherein: the first support and the second support respectively comprise rotating shafts connected with the bending wheels and the upper pressing wheel, and two ends of each rotating shaft are connected with vertical plates through bearings.

3. The bending mechanism for flexibly using the heat exchanger as claimed in claim 1, wherein: and annular grooves are formed in the bending wheel and the upper pressing wheel, and the width of the inner side of each annular groove is smaller than that of the outer side of each annular groove.

4. The bending mechanism for flexibly using the heat exchanger as claimed in claim 1, wherein: the bending wheel and the two upper pressing wheels are positioned on the same vertical surface, the diameter of the two upper pressing wheels is smaller than that of the bending wheel, and the shortest distance between the two upper pressing wheels is greater than the diameter length of the bending wheel.

5. The bending mechanism for flexibly using the heat exchanger as claimed in claim 1, wherein: support auxiliary device includes the backup pad of being connected through first spout and first slider with the support body side post, and is equipped with the reset spring that both ends are connected with first spout inner wall and first slider respectively in the first spout.

6. The bending mechanism for flexibly using the heat exchanger as claimed in claim 5, wherein: the push plate is connected with the supporting plate through a second sliding block and a second sliding groove.

7. The bending mechanism for flexibly using the heat exchanger as claimed in claim 5, wherein: the tail end of the supporting plate is inclined, and the length of the upper end of the supporting plate is shorter than that of the lower end of the supporting plate.