CN216544825U

CN216544825U - Multi-moving-axis bending machine

Info

Publication number: CN216544825U
Application number: CN202122565838.3U
Authority: CN
Inventors: 龙世松
Original assignee: Shenzhen Haiji Technology Co ltd
Current assignee: Shenzhen Haiji Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-05-17
Anticipated expiration: 2031-10-25

Abstract

The utility model provides a multi-moving-axis bending machine. Many moving axles bender includes: the machine frame is provided with a plurality of driving machines, a plurality of movable shaft assemblies are arranged on the machine frame, the movable shaft assemblies are all provided with screw rod synchronizing wheels, the driving machine drives the screw rod synchronizing wheels to rotate through a belt, the movable shaft assemblies move downwards or upwards under the rotation of the screw rod synchronizing wheels, the multi-moving-shaft bending machine also comprises an upper workbench and a lower workbench, a plurality of moving-shaft components are connected with the upper workbench and are used for driving the upper workbench to move, the lower workbench is positioned below the upper workbench and is arranged on the frame, the multi-shaft bending machine has more output shafts and reasonable distribution, so that the stress of the upper workbench is more uniform, and simultaneously, the deformation of the upper workbench is reduced, therefore, the bending angle of the workpiece to be bent is more consistent on one bending line, and the machining precision of the workpiece is improved.

Description

Multi-moving-axis bending machine

Technical Field

The utility model relates to the technical field of bending machines, in particular to a multi-movable-shaft bending machine.

Background

Most of the traditional bending machines are single-moving-shaft bending machines and double-moving-shaft bending machines, the single moving shaft is preferably controlled, only one motor drives a workbench to move up and down, and the defects that the upper workbench is easy to tilt and cause unbalance loading are overcome; the double-acting shaft is generally arranged at two ends of the upper workbench, if the running distances of the two acting shafts are different, the workbench can incline, if the horizontal distance difference of the two acting shafts is overlarge, a moving shaft assembly or a guide device can be damaged, the program control difficulty is more difficult than that of a single acting shaft, the mechanical structure is more complicated than that of the single acting shaft, and the defect is that when the span of the upper workbench is larger, the upper workbench is easily deformed due to stress, so that the bending angle of a bending workpiece is inconsistent on a bending line.

Therefore, it is necessary to provide a bending machine with multiple moving axes to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide the multi-axis bending machine which has the advantages that the output shafts are more, the distribution is reasonable, the stress of the upper workbench is more uniform, and meanwhile, the deformation of the upper workbench is reduced, so that the bending angles of bent workpieces are more consistent on one bending line, and the processing precision of the workpieces is improved.

In order to solve the technical problem, the utility model provides a multi-movable-axis bending machine, which comprises: the multi-moving-axis bending machine comprises a frame, a plurality of driving machines are installed on the frame, a plurality of moving-axis assemblies are arranged on the frame, screw rod synchronizing wheels are installed on the moving-axis assemblies, the driving machines drive the screw rod synchronizing wheels to rotate through belts, the moving-axis assemblies move downwards or upwards under the rotation of the screw rod synchronizing wheels, the multi-moving-axis bending machine further comprises an upper workbench and a lower workbench, the moving-axis assemblies are connected with the upper workbench and are multiple, the moving-axis assemblies are used for driving the upper workbench to move, and the lower workbench is located below the upper workbench and installed on the frame.

Preferably, the movable shaft assembly comprises a screw rod bearing seat and a screw rod, the screw rod synchronizing wheel is installed on the screw rod bearing seat, and the screw rod is installed on the screw rod bearing seat.

Preferably, a screw is arranged between the screw rod and the upper workbench.

Preferably, the top of the upper workbench is provided with a spherical cushion block, the bottom end of the screw rod is provided with a spherical groove, and the spherical cushion block is matched with the spherical groove.

Preferably, the top of the spherical cushion block is provided with a limited rotation block.

Preferably, the screw is provided with an elastic gasket.

Preferably, the upper workbench is provided with a plurality of through grooves.

Compared with the related art, the multi-movable-axis bending machine provided by the utility model has the following beneficial effects:

(1) the device adopts the advantages of a multi-axis shaft: compared with the traditional single-acting shaft and the two-sided double-acting shaft, the double-acting shaft has more output shafts and reasonable distribution, so that the stress of the upper workbench is more uniform; the deformation of the upper working table is reduced, so that the bending angle of the bent workpiece is more consistent on one bending line, and the machining precision of the workpiece is improved; meanwhile, the multi-moving-shaft bending machine can use more moving-shaft driving motors, the power required by a single motor is reduced under the same power, and the cost is effectively reduced.

(2) The upper workbench is not horizontal when the moving shaft runs, and the spherical cushion block can provide certain inclination capacity of the upper workbench, so that the upper workbench can run stably.

(3) If the running distance of any three movable shaft assemblies is asynchronous in the running process, the elastic gasket on the movable shaft assembly which runs less can be compressed, so that the upper workbench runs stably.

Drawings

Fig. 1 is a schematic structural diagram of a multi-axis bending machine provided by the present invention;

FIG. 2 is a schematic cross-sectional view of section E-E of FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numbers in the figures: 1. the device comprises a rack, 2, an eccentric shaft, 3, an eccentric shaft locking block, 4, a guide bearing, 5, a guide wheel backing ring, 6, a guide bearing locking block, 7, an oil injection port, 8, an upper workbench, 9, a guide steel plate, 10, a mounting groove, 11, a movable pressing plate, 12, a lead screw, 13, annular teeth, 14, an angle scale, 15 and a pointer.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

As shown in fig. 1-3, a multiple-axis bending machine includes: frame 1, install a plurality of driving machines 2 in the frame 1, be equipped with a plurality of moving axis subassemblies in the frame 1, all install lead screw synchronizing wheel 3 on the moving axis subassembly, driving machine 2 drives lead screw synchronizing wheel 3 through belt 4 and rotates, and the moving axis subassembly is downward or the rebound under the rotation of lead screw synchronizing wheel 3, many moving axis benders still include workstation 7 and lower workstation 8, and are a plurality of the moving axis subassembly all with it connects to go up workstation 7, and is a plurality of the moving axis subassembly is used for driving it removes to go up workstation 7, workstation 8 is located down the below and the fixed mounting of last workstation 7 are in the frame 1, this device adopts the advantage of multiaxis: compared with the traditional single-acting shaft and double-acting shafts at two sides, the output shafts are more and reasonably distributed, so that the stress on the upper workbench 7 is more uniform; the deformation of the upper workbench 7 is reduced, so that the bending angle of a bent workpiece is more consistent on one bending line, meanwhile, the multi-moving-axis bending machine can use more moving-axis driving motors, the power required by a single motor is reduced under the same power, and the cost is effectively reduced.

As shown in fig. 2, the moving shaft assembly includes a screw shaft bearing 5 and a screw 6, the screw synchronizing wheel 3 is mounted on the screw shaft bearing 5, the screw 6 is mounted on the screw shaft bearing 5, and the screw shaft bearing 5 is driven by the screw synchronizing wheel 3 to rotate, so that the screw 6 can move up and down.

As shown in fig. 3, a screw 11 is installed between the screw 6 and the upper table 7, the screw 6 and the upper table 7 are fixed under the action of the screw 11, and the upper table 7 can be driven to move up and down by the up-and-down movement of the screw 6.

Further, a spherical cushion block 10 is fixedly mounted at the top of the upper workbench 7, a spherical groove is formed in the bottom end of the screw rod 6, the spherical cushion block 10 is matched with the spherical groove, the screw rod 11 penetrates through the spherical cushion block 10, the upper workbench is not horizontal when the movable shaft runs, and the spherical cushion block 10 can provide certain tilting capacity for the upper workbench 7.

Furthermore, the top of the spherical cushion block 10 is provided with a rotation limiting block 14, the bottom end of the screw rod 6 is arranged in the rotation limiting block 14, and the rotation limiting block 14 is used for limiting the screw rod 6 to prevent the screw rod 6 from rotating.

The screw rod 11 is provided with an elastic gasket 12, the elastic gasket 12 applies a pretightening force to the screw rod 11, so that the upper workbench 7 can be tightly connected to the movable shaft assembly, if the running distances of any three movable shaft assemblies are asynchronous in the running process, the elastic gasket 12 on the movable shaft assembly which runs less can be compressed, and the upper workbench 7 can run stably.

A plurality of through grooves 13 are formed in the upper workbench 7, and the screw rods 11 can be conveniently mounted and dismounted due to the through grooves 13.

The working principle is as follows: when a workpiece needs to be machined, the plurality of driving machines 2 are started simultaneously, the driving machines 2 drive the screw rods 6 to move downwards through the belts 4 and the screw rod synchronizing wheels 3, the screw rods 6 move downwards to drive the upper workbench 7 to move downwards, and the workpiece is machined under the action of the upper workbench 7 and the lower workbench 8.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A multi-movable-axis bending machine is characterized by comprising:

the multi-moving-axis bending machine comprises a frame, a plurality of driving machines are installed on the frame, a plurality of moving-axis assemblies are arranged on the frame, screw rod synchronizing wheels are installed on the moving-axis assemblies, the driving machines drive the screw rod synchronizing wheels to rotate through belts, the moving-axis assemblies move downwards or upwards under the rotation of the screw rod synchronizing wheels, the multi-moving-axis bending machine further comprises an upper workbench and a lower workbench, the moving-axis assemblies are connected with the upper workbench and are multiple, the moving-axis assemblies are used for driving the upper workbench to move, and the lower workbench is located below the upper workbench and installed on the frame.

2. The multi-movable-axis bending machine according to claim 1, wherein the movable axis assembly comprises a lead screw bearing seat and a lead screw, the lead screw synchronizing wheel is mounted on the lead screw bearing seat, and the lead screw is mounted on the lead screw bearing seat.

3. The multi-movable-axis bending machine according to claim 2, wherein a screw is mounted between the screw rod and the upper table.

4. The multi-movable-axis bending machine according to claim 2, wherein a spherical cushion block is mounted at the top of the upper workbench, a spherical groove is formed in the bottom end of the lead screw, and the spherical cushion block is matched with the spherical groove.

5. The multi-axis bending machine according to claim 4, wherein a rotation limiting block is mounted on the top of the spherical spacer.

6. The multi-axis bending machine according to claim 3, wherein the screw is provided with an elastic washer.

7. The multi-movable-axis bending machine according to claim 3, wherein the upper worktable is provided with a plurality of through grooves.