CN219851496U

CN219851496U - Bending machine

Info

Publication number: CN219851496U
Application number: CN202322386951.4U
Authority: CN
Inventors: 孙建朋
Original assignee: Weifang Xinxu Machinery Manufacturing Co ltd
Current assignee: Weifang Xinxu Machinery Manufacturing Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2023-10-20
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the technical field of agricultural machine frame processing, in particular to a bending machine, which comprises a workbench, wherein a bending seat is fixedly arranged at the center of the top end of the workbench, a spacing adjusting mechanism is arranged in the workbench, the spacing adjusting mechanism comprises a central shaft, the central shaft is rotatably arranged in the workbench, two gears are fixedly sleeved on the outer shaft wall of the central shaft, two racks are respectively meshed with the outer ring walls of the two gears, a movable seat is fixedly arranged at the tail ends of the four racks, when the bending head bends the agricultural machine frame once and rises to a height, the two rotating rollers can move upwards and lift the agricultural machine frame to a height, at the moment, the characteristic that the two rotating rollers rotate conveniently is utilized again can enable the agricultural machine frame to adjust the next bending position conveniently, the movable seat is capable of moving linearly in the workbench, good contact supporting effects on the agricultural machine frames with different specifications are convenient, and the movable seat is further convenient to use.

Description

Bending machine

Technical Field

The utility model relates to the technical field of agricultural machinery frame processing, in particular to a bending machine.

Background

The bending machine is a machine capable of bending thin plates, and structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and consists of a base and a pressing plate, the base is connected with the clamping plate through a hinge and consists of a base shell, a coil and a cover plate, the coil is arranged in a concave of the base shell, and the cover plate is covered on the top of the concave. When in use, the coil is electrified by the lead, and attractive force is generated to the pressing plate after the coil is electrified, so that the clamping of the thin plate between the pressing plate and the base is realized. Because electromagnetic force clamping is adopted, the pressing plate can be made into various workpiece requirements, and workpieces with side walls can be processed, so that the operation is very simple and convenient.

The bending machine has a wide application range, for example, in the field of processing of an agricultural machine frame, the agricultural machine frame needs to be subjected to bending treatment, and the traditional bending machine is not suitable for bending of the agricultural machine frame, because bending of the agricultural machine frame is performed at a plurality of positions, the agricultural machine frame is large in size and heavy in weight, after bending is completed at one position, the problem of inconvenient debugging exists when the next bending point is adjusted to the agricultural machine frame, and therefore the problem of inconvenient use exists.

Disclosure of Invention

The utility model solves the problem of providing a bending machine to solve the problem of inconvenient use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a bending machine, includes the workstation, the top center fixed mounting of workstation has the seat of bending, be provided with interval adjustment mechanism in the workstation, interval adjustment mechanism includes the center pin, the center pin is rotated and is installed in the workstation, the outer axle wall fixed cover of center pin is equipped with two gears, two the outer annular wall of gear all meshes and installs two racks, four the equal fixed mounting in end of rack removes the seat, four all slidable mounting has the slider in the removal seat, four all install the spring between slider and the corresponding interior lower bottom of removal seat, rotate and install the rotor roll between the slider that two positions are relative, the top of workstation is provided with the lift cylinder, the elbow is rolled over in the output installation of lift cylinder.

Preferably, four sliding cavities are formed in the top end of the workbench, the four moving seats are respectively and slidably mounted in the corresponding sliding cavities, and a mounting base is fixed at the bottom end of the workbench.

Preferably, one end of the central shaft is fixedly provided with a crank, and the crank is rotatably arranged at the center of the side edge of the workbench.

Preferably, four first spouts have all been seted up to movable seat one side, four second spouts have all been seted up to the two opposite inner wall of first spout, four equal slidable mounting has the slider in the first spout, four the two opposite outer lateral walls of slider equal fixed mounting has the gleitbretter, a plurality of the slidable mounting that the gleitbretter looks adaptation respectively is in corresponding second spout.

Preferably, the bottom of four the sliders is fixedly provided with a shaft rod, the bottom of the first sliding groove is fixedly provided with a shaft barrel, springs are arranged in the shaft barrels, and the shaft rod is inserted into the corresponding shaft barrel and is in abutting arrangement with the corresponding springs.

Preferably, a top seat is arranged above the workbench, the lifting air cylinder is fixedly arranged at the top end of the top seat, and upright posts are fixedly arranged between the bottom end of the top seat and four corners of the top end of the workbench.

Preferably, the bending head is opposite to the bending seat and is designed in a matching way, and the two rotating rollers are distributed in an axisymmetric way relative to the bending seat.

The beneficial effects of the utility model are as follows:

firstly, two rotating rollers capable of rotating are respectively arranged at two sides of a contact position of a bending head and a bending base, sliding blocks at two ends of the two rotating rollers can slide up and down in corresponding moving seats (the sliding blocks are supported by springs and have the capability of sliding up and down), when the bending head presses down an agricultural machine frame, the two rotating rollers are pushed (because the agricultural machine frame is placed on the rotating rollers at the moment) until the height of the rotating rollers is reduced to be level with the position of the bending seat, the springs are compressed at the moment, the two rotating rollers have upward elastic restoring force, and after the bending head bends the agricultural machine frame once and rises up, the two rotating rollers can move upwards and lift the height of the agricultural machine frame, at the moment, the characteristic that the two rotating rollers rotate conveniently is utilized again, so that the agricultural machine frame can conveniently adjust the next bending position, and the agricultural machine frame has the characteristic of convenience in use initially; then, the movable seat can linearly move in the workbench, so that the movable seat is convenient to have good contact supporting effects on the agricultural machine frames with different specifications, and further has the characteristic of convenient use.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic side view of a stage according to the present utility model;

FIG. 3 is a schematic view of the installation structure of the spacing adjustment mechanism of the present utility model;

FIG. 4 is a schematic diagram showing a front cross-sectional structure of a movable seat according to the present utility model;

FIG. 5 is a schematic view of the mounting structure of the slider and the movable base of the present utility model.

Legend description:

1. a work table; 11. a sliding cavity; 12. a bending seat; 13. a base; 2. a spacing adjustment mechanism; 21. a central shaft; 22. a gear; 23. a rack; 24. a crank; 3. a movable seat; 31. a first chute; 32. a second chute; 33. a slide block; 34. a sliding sheet; 35. a shaft lever; 36. a shaft cylinder; 37. a spring; 4. a rotating roller; 5. a top base; 51. a column; 6. a lifting cylinder; 61. bending the elbow.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1-5, a bending machine comprises a workbench 1, a bending seat 12 is fixedly arranged at the center of the top end of the workbench 1, a distance adjusting mechanism 2 is arranged in the workbench 1, the distance adjusting mechanism 2 comprises a central shaft 21, the central shaft 21 is rotatably arranged in the workbench 1, two gears 22 are fixedly sleeved on the outer shaft wall of the central shaft 21, two racks 23 are respectively meshed with the outer annular walls of the two gears 22, movable seats 3 are respectively fixedly arranged at the tail ends of the four racks 23, sliding blocks 33 are respectively and slidably arranged in the four movable seats 3, springs 37 are respectively arranged between the four sliding blocks 33 and the lower bottoms of the inner cavities of the corresponding movable seats 3, a rotating roller 4 is rotatably arranged between the two sliding blocks 33, a lifting cylinder 6 is arranged above the workbench 1, the lifting cylinder 6 is matched with an expansion valve to open and close an air channel, so that gas in a gas storage tank enters the lifting cylinder 6 to push a piston rod, lifting of the bending head 61 is realized, and the bending head 61 is arranged at the output end of the lifting cylinder 6.

Referring to fig. 1-5, more particularly, four sliding cavities 11 are provided at the top end of the workbench 1, four moving seats 3 are respectively and slidably mounted in the corresponding sliding cavities 11, the sliding cavities 11 are communicated with the inner cavity of the workbench 1, the bottom end of the workbench 1 is fixedly provided with a base 13, one end of a central shaft 21 is fixedly provided with a crank 24, the crank 24 is rotatably arranged at the central position of the side edge of the workbench 1, the central shaft 21 is conveniently driven to rotate, first sliding grooves 31 are provided at one side of the four moving seats 3, second sliding grooves 32 are provided at two opposite inner side walls of the four first sliding grooves 31, sliding blocks 33 are slidably mounted in the four first sliding grooves 31, sliding pieces 34 are fixedly mounted at two opposite outer side walls of the four sliding blocks 33, and a plurality of sliding pieces 34 are respectively and adaptively slidably mounted in the corresponding second sliding grooves 32 to improve the stability of the sliding blocks 33 in up-down directions, the bottom ends of the four sliding blocks 33 are fixedly provided with shaft rods 35, the bottoms of the four first sliding grooves 31 are fixedly provided with shaft barrels 36, springs 37 are arranged in the four shaft barrels 36, the springs 37 are limited in the inner cavities of the shaft barrels 36, the bending deviation problem does not occur, the springs 37 are protected, the four shaft rods 35 are respectively inserted into the corresponding shaft barrels 36 and are arranged against the corresponding springs 37, a top seat 5 is arranged above the workbench 1, a lifting cylinder 6 is fixedly arranged at the top end of the top seat 5, upright posts 51 are fixedly arranged between the bottom end of the top seat 5 and four corners of the top end of the workbench 1, the bending heads 61 are opposite to the bending seat 12 in position and are designed in a matched mode, the bending heads 61 press the agricultural machine frame until the bottoms of the agricultural machine frame are contacted with the top ends of the bending seats 12, the bending heads 61 continuously descend to start bending processing on the agricultural machine frame, the two rotating rollers 4 are axisymmetrically distributed about the bending seat 12.

Working principle:

firstly, the distance between the two rotating rollers 4 is adjusted according to the specification of the agricultural machine frame, specifically, the crank 24 is rotated to drive the central shaft 21 to rotate, and then the two gears 22 are driven to rotate in the same direction synchronously, namely, the corresponding two racks 23 are respectively driven to synchronously and reversely linearly displace (the two racks 23 are symmetrically distributed about the corresponding gears 22), and then the corresponding movable seat 3 is respectively driven to linearly displace in the sliding cavity 11, namely, the linear displacement of the rotating rollers 4 on the workbench 1 is realized, and the purpose of such adjustment is to ensure that the two rotating rollers 4 can be effectively contacted with the agricultural machine frames with different specifications, so that the adjustment and bending stations of the agricultural machine frame are convenient;

secondly, the agricultural machine frame is completely supported by the two rotating rollers 4 at the moment, because the two rotating rollers 4 have the characteristic of rotation, the rolling of the rotating rollers 4 can be utilized to conveniently adjust the position of the agricultural machine frame to be bent next, after the position is adjusted, the lifting cylinder 6 is started to push the bending head 61 downwards, the bending head 61 is firstly contacted with the top of the agricultural machine frame and continuously pushes the agricultural machine frame downwards until the bottom of the agricultural machine frame is contacted with the bending seat 12, the agricultural machine frame is continuously pushed by the bending head 61, but is not forced to descend to a height, but can start deformation, namely bending operation, meanwhile, the two rotating rollers 4 are not continuously pushed downwards when the bottom of the agricultural machine frame is contacted with the bending seat 12, at the moment, the height of the spring 37 corresponding to the bottom of the sliding block 33 is not continuously lowered (namely, the spring 37 is not damaged, but the spring 37 is in a compressed state and has upward elastic restoring force);

third, after the first agricultural machine frame is bent, the lifting cylinder 6 drives the bending head 61 to move upwards and leave the agricultural machine frame, at this time, the agricultural machine frame is jacked up by the rotating roller 4 (because the elastic restoring force of the spring 37 pushes the corresponding sliding block 33 and the corresponding rotating roller 4) due to the fact that the bending head 61 is not extruded, so that the bottom of the agricultural machine frame is not contacted with the bending seat 12 any more, at this time, the agricultural machine frame is supported by the two rotating rollers 4 completely, and the agricultural machine frame can be conveniently adjusted to move to the position of the next bending point again.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a bending machine, includes workstation (1), its characterized in that, top center fixed mounting of workstation (1) has seat of bending (12), be provided with interval adjustment mechanism (2) in workstation (1), interval adjustment mechanism (2) include center pin (21), center pin (21) are rotated and are installed in workstation (1), the outer axle wall fixed cover of center pin (21) is equipped with two gears (22), two the outer annular wall of gear (22) all meshes and installs two racks (23), four the end of rack (23) all fixed mounting removes seat (3), four all slidable mounting has slider (33) in removing seat (3), four all install spring (37) under slider (33) and the corresponding removal seat (3) inner chamber, rotate between slider (33) that two positions are relative and install rotor (4), the top of workstation (1) is provided with lift cylinder (6), the output of lift cylinder (6) is installed and is folded elbow (61).

2. A bending machine according to claim 1, wherein four sliding cavities (11) are formed in the top end of the workbench (1), the four moving seats (3) are respectively and slidably mounted in the corresponding sliding cavities (11), and a mounting base (13) is fixed at the bottom end of the workbench (1).

3. A bending machine according to claim 1, wherein a crank (24) is fixedly mounted at one end of the central shaft (21), and the crank (24) is rotatably arranged at the side center of the table (1).

4. A bending machine according to claim 1, wherein one side of each of the four movable bases (3) is provided with a first sliding groove (31), each of two opposite inner side walls of each of the four first sliding grooves (31) is provided with a second sliding groove (32), each of the four first sliding grooves (31) is internally provided with a sliding block (33) in a sliding manner, each of two opposite outer side walls of each of the four sliding blocks (33) is fixedly provided with a sliding sheet (34), and each of the sliding sheets (34) is respectively and correspondingly arranged in the corresponding second sliding groove (32) in a sliding manner.

5. A bending machine according to claim 4, wherein the bottom ends of the four sliding blocks (33) are fixedly provided with shaft rods (35), the bottoms of the four first sliding grooves (31) are fixedly provided with shaft barrels (36), springs (37) are arranged in the four shaft barrels (36), and the four shaft rods (35) are respectively inserted into the corresponding shaft barrels (36) and are arranged in contact with the corresponding springs (37).

6. The bending machine according to claim 1, wherein a top seat (5) is arranged above the workbench (1), the lifting cylinder (6) is fixedly arranged at the top end of the top seat (5), and upright posts (51) are fixedly arranged between the bottom end of the top seat (5) and four corners of the top end of the workbench (1).

7. Bending machine according to claim 1, characterized in that the bending head (61) is designed in a position opposite to and adapted to the bending seat (12), and in that the two rotating rollers (4) are distributed axisymmetrically with respect to the bending seat (12).