CN222902267U - Bending device is used in processing of office chair - Google Patents

Abstract

The utility model relates to the technical field of steel bending devices, in particular to a bending device for processing an office chair, which comprises a box body and side plates, wherein the two sides of the upper surface of the box body are fixedly connected with the side plates, the two sides of the upper end of the middle part of the box body are provided with auxiliary limiting devices, an auxiliary protecting device is arranged in the box body, the lower end of the top plate is fixedly connected with a second hydraulic cylinder, the telescopic end of the second hydraulic cylinder is fixedly connected with a compression roller, the steel part of the office chair is limited through the cooperation of the auxiliary limiting devices and the auxiliary protecting devices, the steel part of the office chair is prevented from being deviated when being bent, the bending failure is caused, the working quality is improved, the baffle plate is driven to stop after the upward movement through a second sliding block, the steel part can be sprung on the surface of the baffle plate when the steel part of the office chair flies out, the operation personnel can not be injured, and the working safety is improved.

Description

Bending device is used in processing of office chair

Technical Field

The utility model relates to the technical field of steel bending devices, in particular to a bending device for processing an office chair.

Background

Office chairs are various chairs which are provided for convenience in daily work and social activities, and the office chairs are required to be bent during processing.

For example, the steel bending device for office chair manufacturing with the authorized bulletin number of CN218692773U is characterized in that a movable column is driven to relatively move through a movable block, the movable column drives a baffle to relatively move, the baffle shields two sides of a steel piece, a second hydraulic rod drives a mounting seat to move downwards when bending, the mounting seat drives a pressing wheel to move downwards, when the pressing wheel presses down the center of the steel piece, the steel piece rolls through a top wheel and is bent and shaped, but the baffle can only limit two ends of the steel piece when the steel piece of a office chair is bent, the steel piece is deflected when the steel piece is bent, bending failure is caused, the working quality of the device is reduced, the steel piece is easily broken when the steel piece is bent, the steel piece flies out of the device, damage is caused to operators, and the working safety of the device is reduced.

Disclosure of utility model

The utility model aims to solve the problems that the baffle plate can only limit two ends of a steel part, so that the steel part deflects during bending and fails in bending, the working quality of the device is reduced, the steel part is easy to break during bending, flies out of the device, damages an operator, and the working safety of the device is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a bending device is used in office chair processing, includes box and curb plate, the both sides of box upper surface are all fixed to link to each other to have the curb plate, box middle part upper end both sides are equipped with supplementary stop device, the inside auxiliary protection device that is equipped with of box, the upper end of curb plate links firmly the roof, the roof lower extreme is fixed to link to each other to have the second pneumatic cylinder, the flexible end of second pneumatic cylinder is fixed to link to each other to have the compression roller.

Preferably, the auxiliary limiting device comprises a first hydraulic cylinder and a first shell, the lower end of the first shell is fixedly connected with the box body, the lower part of the inner surface of the first shell is fixedly connected with the first hydraulic cylinder, the telescopic end of the first hydraulic cylinder is fixedly connected with a push block, the upper end of the push block is slidably connected with the inclined block, one end of the inclined block is fixedly connected with a stop lever, and the inner surface of the first shell is fixedly connected with the two ends of the fixed block.

Preferably, the bottom of pin links to each other with the fixed block is sliding, the pin outer wall links to each other with first shell is sliding.

Preferably, the two sides of the middle upper part of the box body are fixedly connected with supporting plates, and the surfaces of the supporting plates are movably connected with the rotating shaft of the top roller through bearings.

Preferably, the auxiliary protection device comprises a motor and a double-end stud, the motor is fixedly connected with the right side of the box body through a support, an output shaft of the motor is rotationally connected with the box body through a bearing, the output shaft of the motor is fixedly connected with the double-end stud through a coupler, two sides of the double-end stud are respectively connected with screw threads of a screw hole formed in the surface of a screw thread block, two sides of the screw thread block are movably connected with one end of a connecting rod through a pin shaft, the other end of the connecting rod is movably connected with the surface of a first sliding block through a pin shaft, a second sliding block is fixedly connected with the upper end of the first sliding block, and a baffle is fixedly connected with one end of the second sliding block.

Preferably, the bottom of screw thread piece links to each other with the box surface slip, the both ends of first slider and second slider all link to each other with the box internal surface slip.

The bending device for processing the office chair has the beneficial effects that the telescopic end of the first hydraulic cylinder is started to shorten and drive the pushing block to move downwards through the matching of the auxiliary limiting device and the auxiliary protecting device, the pushing block drives the inclined blocks at two sides to move, the inclined blocks at two sides drive the stop lever to be close to each other, the distance between the stop lever and the steel piece of the office chair is reduced, the steel piece of the office chair is limited through the stop lever, the steel piece is prevented from shifting when the steel piece of the office chair is bent, bending failure is caused, and the working quality is improved.

The output shaft of the starting motor rotates to drive the stud to rotate and drive the threaded blocks on two sides to be close to each other, the threaded blocks move to drive the first sliding block to move upwards through the connecting rod, the first sliding block drives the second sliding block and the baffle to move upwards synchronously, the baffle stops the output shaft of the motor after moving to the limit position, the second sliding block drives the baffle to move upwards to stop, when the steel piece flies out when the office chair steel piece is bent, the steel piece can bounce on the surface of the baffle, no harm is caused to operators, and the working safety is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is a top cross-sectional view of FIG. 1;

FIG. 4 is a view of portion A of FIG. 2;

FIG. 5 is a side cross-sectional view of the auxiliary spacing device of FIG. 2;

FIG. 6 is a top cross-sectional view of the auxiliary stop device of FIG. 2;

fig. 7 is a side cross-sectional view of the auxiliary guard of fig. 2.

In the figure, 1, a box body, 2, an auxiliary limiting device, 201, a first hydraulic cylinder, 202, a first shell, 203, a push block, 204, an inclined block, 205, a stop lever, 206, a fixed block, 3, an auxiliary protecting device, 301, a motor, 302, a double-end stud, 303, a threaded block, 304, a connecting rod, 305, a first sliding block, 306, a second sliding block, 307, a baffle plate, 4, a side plate, 5, a top plate, 6, a second hydraulic cylinder, 7, a press roller, 8, a supporting plate, 9 and a top roller are arranged.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

Referring to fig. 1-7, in this embodiment, a bending device for processing an office chair comprises a box body 1 and side plates 4, wherein the side plates 4 are fixedly connected to two sides of the upper surface of the box body 1, an auxiliary limiting device 2 is arranged on two sides of the upper end of the middle part of the box body 1, an auxiliary protecting device 3 is arranged in the box body 1, a top plate 5 is fixedly connected to the upper end of the side plate 4, a second hydraulic cylinder 6 is fixedly connected to the lower end of the top plate 5, the second hydraulic cylinder 6 can meet working requirements according to actual requirements, a compression roller 7 is fixedly connected to the telescopic end of the second hydraulic cylinder 6, and the lower end face of the compression roller 7 is arc-shaped.

The bottom of pin 205 links to each other with fixed block 206 slip, and the pin 205 outer wall links to each other with first shell 202 slip, and upper portion both sides are fixed to be connected with backup pad 8 in the box 1, and backup pad 8 surface all links to each other with the axis of rotation activity of top roller 9 through the round pin axle, and the bottom of screw thread piece 303 links to each other with box 1 slip, and the both ends of first slider 305 and second slider 306 all link to each other with box 1 slip.

Referring to fig. 1-6, the auxiliary limiting device 2 comprises a first hydraulic cylinder 201 and a first housing 202, the first hydraulic cylinder 201 meets working requirements according to actual requirements, the lower end of the first housing 202 is fixedly connected with the box 1, the lower part of the inner surface of the first housing 202 is fixedly connected with the first hydraulic cylinder 201, the telescopic end of the first hydraulic cylinder 201 is fixedly connected with a push block 203, the surface of the push block 203 is slidably connected with an inclined block 204, the push block 203 moves to drive the inclined block 204 to slide in a groove formed in the surface of the push block 203, one end of the inclined block 204 is fixedly connected with a stop lever 205, the inclined block 204 moves to drive the stop lever 205 to synchronously move, and the inner surface of the first housing 202 is fixedly connected with two ends of a fixed block 206.

Referring to fig. 1-3 and 7, the auxiliary protection device 3 comprises a motor 301 and a double-end stud 302, the motor 301 is a servo motor, according to practical requirements, the motor 301 is fixedly connected with the right side of the box 1 through a bracket, an output shaft of the motor 301 is rotationally connected with the box 1 through a bearing, the output shaft of the motor 301 is fixedly connected with the double-end stud 302 through a coupler, threads on two sides of the double-end stud 302 are opposite, two sides of the double-end stud 302 are respectively connected with threads of threaded blocks 303, the threads on two sides of the double-end stud 302 are rotationally driven to move in opposite directions, two sides of the threaded blocks 303 are movably connected with one end of a connecting rod 304 through a pin shaft, the threaded blocks 303 are rotationally driven to move, the connecting rod 304 is movably connected with the surface of a first sliding block 305 through a pin shaft, the connecting rod 304 is rotationally driven to move, the upper end of the first sliding block 305 is fixedly connected with a second sliding block 306, one end of the second sliding block 306 is fixedly connected with a baffle 307, and the second sliding block 306 is synchronously driven by the baffle 307.

Working principle:

The operator places the piece of steel that the office chair needs to bend between the two bars 205 and on the surface of the top roll 9.

Auxiliary limit process of steel piece of office chair:

Switching on the external power supply of first pneumatic cylinder 201, start the flexible end of first pneumatic cylinder 201 and shorten and drive ejector pad 203 downward movement, ejector pad 203 drives the sloping block 204 motion of both sides, the sloping block 204 of both sides drives pin 205 and is close to each other, reduce the interval between pin 205 and the steel spare of office chair, spacing is carried out to the office chair steel spare, make things convenient for follow-up to the work of bending of office chair steel spare, according to above-mentioned operation, when the interval between needs increase pin 205, start the flexible end extension of first pneumatic cylinder 201 again and drive two pins 205 and keep away from each other, accomplish the supplementary spacing process to the steel spare of office chair, avoid the steel spare to take place the skew when bending the steel spare of office chair.

Auxiliary protection process when steel spare of office chair is bent:

The external power supply of the motor 301 is connected, the output shaft of the motor 301 is started to rotate to drive the stud 302 to rotate to drive the threaded blocks 303 on two sides to be close to each other, the threaded blocks 303 move to drive the first sliding block 305 to move upwards through the connecting rod 304, the first sliding block 305 drives the second sliding block 306 and the baffle 307 to move upwards synchronously, the output shaft of the motor 301 is stopped after the baffle 307 moves to the limit position, the subsequent bending of the office seat steel piece is facilitated, according to the operation, the output shaft of the motor 301 is started again to reversely rotate to drive the baffle 307 to move downwards to restore to the original position, the auxiliary protection process of bending the office seat steel piece is completed, and when the office seat steel piece flies out, the steel piece can bounce on the surface of the baffle 307, and no harm is caused to operators.

Bending the steel part of the office chair:

The external power supply of the second hydraulic cylinder 6 is connected, the expansion end of the second hydraulic cylinder 6 is started to stretch to drive the press roller 7 to move downwards, the surface of the press roller 7 is tightly propped against the office chair steel piece and then bends the steel piece, the top roller 9 plays a supporting role, and the bending process of the office chair steel piece is completed.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (5)

1. The bending device for processing the office chair comprises a box body (1) and side plates (4), wherein the side plates (4) are fixedly connected to two sides of the upper surface of the box body (1), the bending device is characterized in that two sides of the upper end of the middle part of the box body (1) are provided with auxiliary limiting devices (2), auxiliary protecting devices (3) are arranged in the box body (1), a top plate (5) is fixedly connected to the upper end of the side plates (4), a second hydraulic cylinder (6) is fixedly connected to the lower end of the top plate (5), a compression roller (7) is fixedly connected to the telescopic end of the second hydraulic cylinder (6), the auxiliary protecting devices (3) comprise a motor (301) and a double-end stud (302), the motor (301) is fixedly connected to the right side of the box body (1) through a support, the output shaft of the motor (301) is rotationally connected to the box body (1) through a bearing, two sides of the double-end stud (302) are fixedly connected to threaded blocks (304) respectively arranged on the surfaces of threaded blocks (303), two sides of the double-end stud (302) are fixedly connected to one another through threaded blocks (306) respectively, two ends of the two sides of the connecting rods (305) are fixedly connected to one end of one sliding block (305) through two ends (305), one end of the second sliding block (306) is fixedly connected with a baffle (307).

2. The bending device for office chair processing according to claim 1, wherein the auxiliary limiting device (2) comprises a first hydraulic cylinder (201) and a first housing (202), the lower end of the first housing (202) is fixedly connected with the box body (1), the lower part of the inner surface of the first housing (202) is fixedly connected with the first hydraulic cylinder (201), the telescopic end of the first hydraulic cylinder (201) is fixedly connected with a push block (203), the upper end of the push block (203) is slidably connected with an inclined block (204), one end of the inclined block (204) is fixedly connected with a stop lever (205), and the inner surface of the first housing (202) is fixedly connected with two ends of a fixed block (206).

3. The bending device for office chair processing according to claim 2, wherein the bottom end of the stop lever (205) is slidably connected with the fixed block (206), and the outer wall of the stop lever (205) is slidably connected with the first housing (202).

4. The bending device for office chair processing according to claim 3, wherein the two sides of the upper middle part of the box body (1) are fixedly connected with support plates (8), and the surfaces of the support plates (8) are movably connected with the rotating shaft of the top roller (9) through bearings.

5. The bending device for office chair processing according to claim 4, wherein the bottom end of the threaded block (303) is slidably connected with the box body (1), and both ends of the first sliding block (305) and the second sliding block (306) are slidably connected with the box body (1).