CN222288430U

CN222288430U - Tubular workpiece processing bending machine

Info

Publication number: CN222288430U
Application number: CN202421013613.4U
Authority: CN
Inventors: 沈永坚; 褚迎锋
Original assignee: Shanghai Eci Precision Electromechanical Technology Co ltd
Current assignee: Shanghai Eci Precision Electromechanical Technology Co ltd
Priority date: 2024-05-10
Filing date: 2024-05-10
Publication date: 2025-01-03
Anticipated expiration: 2034-05-10

Abstract

The utility model belongs to the technical field of bending equipment, and particularly discloses a tubular workpiece processing bending machine, which comprises a workbench, a center column, clamping plates, an L-shaped plate and a pressing block, wherein a longitudinal chute is arranged in the middle of the workbench, one end of the chute is provided with the center column, the side of the central column is provided with a bending column, a first screw rod parallel to each other is arranged in the chute, a screw rod sliding block is connected to the first screw rod in a threaded manner, a clamping plate is fixed above the screw rod sliding block, an L-shaped plate is fixed above the clamping plate, a second screw rod penetrates through the upper part of the L-shaped plate, and a pressing block is connected to the tail end of the second screw rod in a rotating manner; a mounting plate is arranged at a position above the workbench far away from the center column, one side of the mounting plate is rotationally connected with a worm, a driving motor is arranged at the other side of the mounting plate, a turbine is arranged at the side edge of the worm, and a bending rod is arranged above the turbine; clamping the tubular workpiece by a clamping plate, driving the pressing block to descend by rotating the second screw rod to compress the tubular workpiece, and bending the tubular workpiece by a bending rod.

Description

Tubular workpiece processing bending machine

Technical Field

The utility model relates to the technical field of bending processing equipment, in particular to a tubular workpiece processing bending machine.

Background

The tubular structure is a hollow columnar structure, and in the field of machining and manufacturing, after polishing and cutting, some tubular workpieces need to be bent to form angles, so that the subsequent use of the workpieces is facilitated, and a bending device is needed when the bent workpieces are formed.

Most of the existing bending machines are difficult to directly bend a workpiece into a U shape, so that a part of people think of arranging a symmetrical bending rod, and simultaneously extruding the bent workpiece by using a gear to drive the bending rod, for example, chinese patent publication No. CN218361496U discloses a bending mechanism.

However, in the practical use process, people find that the bending machine clamps and fixes the workpiece through the clamping plate and the central bending column, and in the bending process, the surface of the tubular workpiece is arc-shaped, so that the phenomenon of dislocation caused by upward movement of the workpiece easily occurs when the bending rod is used for extrusion bending, and the practicality is poor.

Disclosure of utility model

The utility model aims to provide a tubular workpiece processing bending machine, which solves the problems in the prior art.

The technical scheme is that the tubular workpiece processing bending machine comprises a workbench, a center column, clamping plates, L-shaped plates and pressing blocks, wherein a longitudinal sliding groove is formed in the middle of the workbench, one end of the sliding groove is provided with the center column, the side edge of the center column is provided with a bending column, a first screw rod which is parallel to each other is arranged in the sliding groove, one end of the first screw rod is rotationally connected to the inner wall of the sliding groove, the other end of the first screw rod penetrates through the workbench and is connected with a first knob, a screw rod sliding block is connected to the first screw rod in a threaded manner, the clamping plates are fixedly arranged above the screw rod sliding blocks, the L-shaped plates are fixedly connected with the L-shaped plates in a threaded manner, a second screw rod penetrates through the upper portion of the L-shaped plates, the second screw rod is in threaded connection with the L-shaped plates, the pressing blocks are rotationally connected to the tail ends of the second screw rod, the second screw rod top end is provided with the second knob, the position, far away from the center column, one side of the mounting plate is rotationally connected with a worm, the other side of the mounting plate is provided with a driving motor, a driving shaft of the driving motor is connected with the worm, the worm wheel is arranged on the side of the worm, the worm wheel is meshed with the worm wheel, the worm wheel is rotationally connected to the worm wheel, and the worm wheel is rotationally connected to the workbench, and the worm wheel is arranged above the bending rod.

Through placing tubular work piece between splint and center post, splint can be through rotating first lead screw, and drive lead screw slider removes, utilizes the lead screw slider to drive splint centre gripping tubular work piece, drives the briquetting through the rotation second lead screw and descends and compress tightly tubular work piece. The worm is driven to rotate by the driving motor, and the bending rod on the worm wheel is driven by the worm to extrude and bend the tubular workpiece.

Preferably, the screw rod sliding block is in sliding connection with the sliding groove, and the screw rod sliding block is limited by the sliding groove, so that the screw rod sliding block is prevented from rotating along with the first screw rod when the first screw rod sliding block is driven to move.

Preferably, the locating rods are symmetrically arranged above the pressing blocks and are parallel to the second screw rod, the locating rods penetrate through the L-shaped plates, and the locating rods are used for limiting the pressing blocks.

Preferably, the pressing block is arc-shaped to be matched with an arc-shaped surface of the tubular workpiece.

Preferably, a plurality of supporting legs are arranged below the workbench, and the supporting legs mainly play a role in supporting.

Preferably, the bending rod is fixed on the worm wheel by a bolt so as to facilitate later disassembly and assembly.

Compared with the prior art, the clamping device has the beneficial effects that the clamping device clamps the tubular workpiece through the cooperation of the clamping plate and the central column, and the tubular workpiece is tightly pressed on the workbench through the pressing block after clamping, so that the tubular workpiece is completely tightly pressed and fixed, the worm is used for driving the worm wheel to rotate, and the bending rod is driven to bend the tubular workpiece, and the phenomenon that the workpiece moves upwards to be misplaced can be effectively avoided due to the fact that the workpiece is fixed by the clamping plate and the pressing block, and the practicability of the clamping device is improved.

Drawings

FIG. 1 is a schematic perspective view of the first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second perspective structure of the present utility model;

fig. 3 is an enlarged view of the portion a of fig. 1 according to the present utility model.

In the figure, 1, a workbench; 2, a central column, 3, a bending column, 4, a sliding chute, 5, a first screw rod, 6, a first knob, 7, a screw rod sliding block, 8, a clamping plate, 9, an L-shaped plate, 10, a mounting plate, 11, a worm, 12, a driving motor, 13, a worm wheel, 14, a bending rod, 15, a supporting leg, 16, a pressing block, 17, a second screw rod, 18, a second knob, 19 and a positioning rod.

Detailed Description

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.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, the utility model provides a technical scheme that a tubular workpiece processing bending machine comprises a workbench 1, a center column 2, a clamping plate 8, an L-shaped plate 9 and a pressing block 16, wherein a longitudinal sliding groove 4 is formed in the middle of the workbench 1, one end of the sliding groove 4 is provided with the center column 2, a bending column 3 is arranged on the side edge of the center column 2, first screw rods 5 parallel to each other are arranged in the sliding groove 4, one ends of the first screw rods 5 are rotatably connected to the inner wall of the sliding groove 4, the other ends of the first screw rods 5 penetrate through the workbench 1 and are connected with a first knob 6, screw rod sliding blocks 7 are connected onto the first screw rods 5 in a threaded manner, a clamping plate 8 is fixed above the screw rod sliding blocks 7, an L-shaped plate 9 is fixed above the clamping plate 8, a second screw rod 17 is penetrated above the L-shaped plate 9, threaded connection is adopted between the second screw rod 17 and the L-shaped plate 9, the tail ends of the second screw rod 17 are rotatably connected with the pressing block 16, and the top end of the second screw rod 17 is provided with a second knob 18.

Through placing tubular work piece between splint 8 and center post 2, splint 8 can be through rotating first lead screw 5, and drive lead screw slider 7 removes, utilizes lead screw slider 7 to drive splint 8 centre gripping tubular work piece, drives briquetting 16 through rotating second lead screw 17 and descends and compress tightly tubular work piece.

The position that center post 2 was kept away from to workstation 1 top is equipped with mounting panel 10, and mounting panel 10 one side rotates and is connected with worm 11, and mounting panel 10 opposite side is provided with driving motor 12, and driving motor 12's drive shaft is connected with worm 11, and worm 11 side is provided with worm wheel 13, worm wheel 13 and worm 11 intermeshing, and worm wheel 13 rotates to be connected on workstation 1, and worm wheel 13 top is provided with the pole of bending 14.

The worm 11 is driven to rotate by the driving motor 12, and the worm 11 is used for driving the bending rod 14 on the worm wheel 13 to extrude and bend the tubular workpiece.

Further, the screw rod sliding block 7 is in sliding connection with the sliding groove 4, the screw rod sliding block 7 is limited through the sliding groove 4, and the screw rod sliding block 7 is prevented from rotating along with the first screw rod 5 when the first screw rod 5 is driven to move by the screw rod sliding block 7.

Further, the locating rods 19 are symmetrically arranged above the pressing blocks 16, the locating rods 19 are parallel to the second screw rod 17, the locating rods 19 penetrate through the L-shaped plates 9, and the locating rods 19 are used for limiting the pressing blocks 16.

Further, the pressing block 16 is arc-shaped to match with the arc-shaped surface of the tubular workpiece.

Further, a plurality of supporting legs 15 are arranged below the workbench 1, and the supporting legs 15 are arranged to mainly play a supporting role.

Further, the bending rod 14 is fixed on the worm wheel 13 by a bolt, so that the later disassembly and assembly are facilitated.

The working principle is that when the clamp is used, a tubular workpiece is only required to be placed between the center post 2 and the clamp plate 8, then the first knob 6 is rotated, the first knob 6 drives the first screw rod 5 to rotate, the first screw rod 5 drives the screw rod sliding block 7 to move, the clamp plate 8 is driven by the screw rod sliding block 7 to be close to the workpiece, the workpiece is clamped by matching with the center post 2, after clamping, the second knob 18 is rotated, the second knob 18 drives the second screw rod 17 to rotate, the second screw rod 17 drives the pressing block 16 to move downwards, and the tubular workpiece is pressed by the pressing block 16, so that the workpiece is completely fixed. Then, the driving motor 12 is started, so that the driving motor 12 drives the worm 11 to rotate, the worm 11 drives the worm wheel 13 to rotate, the worm wheel 13 drives the bending rod 14 to rotate, and the workpiece is bent by the bending rod 14. After the bending process is finished, the second screw rod 17 is reversely rotated, the pressing block 16 is driven to move upwards, the pressing block 16 is moved away from the workpiece, then the first screw rod 5 is reversely rotated, the first screw rod 5 drives the screw rod sliding block 7 to move backwards, the clamping plate 8 is driven to move away from the workpiece, the fixing of the workpiece is canceled, and the bent workpiece can be taken down.

It is noted that the whole device is controlled by the total control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior art, and the electrical connection relation and the specific circuit structure are not repeated here.

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

Claims

1. A tubular workpiece machining bending machine is characterized by comprising a workbench (1), a center column (2), clamping plates (8), L-shaped plates (9) and pressing blocks (16), wherein longitudinal sliding grooves (4) are formed in the middle of the workbench (1), one end of each sliding groove (4) is provided with the center column (2), bending columns (3) are arranged on the side edges of the center column (2), first screw rods (5) parallel to each other are arranged in the sliding grooves (4), one ends of the first screw rods (5) are rotationally connected to the inner wall of the sliding grooves (4), the other ends of the first screw rods (5) penetrate through the workbench (1) and are connected with first knobs (6), screw rod sliding blocks (7) are connected to the first screw rods (5) in a threaded mode, clamping plates (8) are fixed above the screw rod sliding blocks (7), second screw rods (17) are connected to the upper portions of the L-shaped plates (9) in a penetrating mode, threaded mode is adopted between the second screw rods (17) and the L-shaped plates (9), pressing blocks (16) are rotationally connected to the tail ends of the second screw rods (17), one ends of the second screw rods (17) are rotationally connected to the inner walls of the sliding blocks (6) and are provided with first knobs (6), the first screw rods (18) which are connected to one side of the position of the workbench (10), the other side of the mounting plate (10) is provided with a driving motor (12), a driving shaft of the driving motor (12) is connected with a worm (11), a worm wheel (13) is arranged on the side edge of the worm (11), the worm wheel (13) is meshed with the worm (11), the worm wheel (13) is rotationally connected to the workbench (1), and a bending rod (14) is arranged above the worm wheel (13).

2. A tubular workpiece processing bending machine according to claim 1, wherein the screw rod sliding block (7) is in sliding connection with the sliding groove (4).

3. A tubular workpiece processing bending machine according to claim 1, wherein positioning rods (19) are symmetrically arranged above the pressing blocks (16), the positioning rods (19) are parallel to the second screw rods (17), and the positioning rods (19) penetrate through the L-shaped plates (9).

4. A tubular workpiece processing bending machine as claimed in claim 1, wherein the press block (16) is arc-shaped.

5. A tubular workpiece processing bender according to claim 1, characterized in that a plurality of legs (15) are provided below the table (1).

6. A tubular workpiece processing bending machine according to claim 1, wherein the bending rod (14) is fixed on the worm wheel (13) by bolts.