CN211331986U

CN211331986U - Positioning tool for chair back machining

Info

Publication number: CN211331986U
Application number: CN201922378496.7U
Authority: CN
Inventors: 常乐; 张国祥
Original assignee: Yangzhou Tianrun Dynamo Electric Co ltd
Current assignee: Yangzhou Tianrun Dynamo Electric Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-25
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a positioning tool for processing a chair back, wherein both ends of the upper surface of a processing table are provided with fixed seats, the central position of the upper surface of the processing table is provided with a connecting seat, one end of the fixed seat is rotationally connected with a first screw rod, and the other end of the fixed seat is rotationally connected with a second screw rod; one end of the first screw rod, which is close to the fixed seat, is connected with an adjusting handle, and the other end of the first screw rod is rotatably connected to the connecting seat; one end of the second screw rod, which is close to the fixed seat, is connected with an adjusting handle, and the other end of the second screw rod is rotatably connected to the connecting seat; the sliding seats are connected to the processing table in a sliding mode, two groups of sliding seats are arranged, one group of sliding seats is in threaded connection with the first screw, and the other group of sliding seats is in threaded connection with the second screw; the utility model discloses can press from both sides tightly the back of the chair to different specification and dimension, ensure the stability in the back of the chair course of working.

Description

Positioning tool for chair back machining

Technical Field

The utility model relates to a processing location frock technical field specifically is a back of the chair processing is with location frock.

Background

The back of the chair need fix a position it with man-hour and press from both sides tightly to improve the accurate processing to the seat, however, the back of the chair of current seat is adding the tight effect of location clamp with man-hour, and the workstation fixed height is not convenient for different height staff and is operated, and positioning mechanism can't be adjusted and lead to the tight effect of location clamp poor, can't carry out the general clamp to the back of the chair of equidimension not tight, leads to the poor problem of location frock practicality.

The publication number is: the comparison document of CN208132302U discloses an automobile seat frame welding fixture, which cannot solve the problems proposed in the present application: the existing chair back is poor in positioning and clamping effect during machining, the fixed height of a workbench is not convenient for workers with different heights to operate, a positioning mechanism cannot be adjusted to cause the poor positioning and clamping effect, the chair backs with different sizes and specifications cannot be universally clamped, and the problem of poor practicability of positioning tools is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a location frock is used in back of the chair processing, the seat back of the chair that can solve is adding man-hour the location clamp tight effect poor, and the workstation fixed height is not convenient for different height staff operation, and positioning mechanism can't be adjusted and lead to the location clamp tight effect poor, can't carry out the general clamp to the back of the chair of not equidimension specification and press from both sides, leads to the poor problem of location frock practicality.

The purpose of the utility model can be realized by the following technical scheme:

a positioning tool for machining a chair back comprises a machining table, a sliding seat, a positioning mechanism and an adjusting bolt, wherein fixing seats are arranged at two ends of the upper surface of the machining table, a connecting seat is arranged at the center of the upper surface of the machining table, a first screw rod is rotatably connected to the fixing seat at one end of the machining table, and a second screw rod is rotatably connected to the fixing seat at the other end of the machining table; one end of the first screw rod, which is close to the fixed seat, is connected with an adjusting handle, and the other end of the first screw rod is rotatably connected to the connecting seat; one end of the second screw rod, which is close to the fixed seat, is connected with an adjusting handle, and the other end of the second screw rod is rotatably connected to the connecting seat; the sliding seats are connected to the processing table in a sliding mode, two groups of sliding seats are arranged, one group of sliding seats is in threaded connection with the first screw, and the other group of sliding seats is in threaded connection with the second screw;

the positioning mechanism comprises a fixed vertical plate and a positioning pressing plate, the fixed vertical plate is fixedly connected to the sliding seat, a sliding support plate is connected to the fixed vertical plate in a sliding penetrating mode, one end of the sliding support plate is connected with a limiting baffle, the other end of the sliding support plate is fixedly connected with the positioning pressing plate, the adjusting bolt is rotatably connected to the fixed vertical plate, and the adjusting bolt is in threaded connection with the positioning pressing plate.

Preferably, a plurality of groups of support columns are arranged at the bottom of the processing table, grooves are formed in the bottoms of the support columns, lifting columns are connected in the grooves in a sliding mode, a plurality of groups of threaded holes are evenly formed in the lifting columns, and locking bolts matched with the threaded holes are connected to the support columns in a threaded mode.

Preferably, the locking bolt and the adjusting bolt are both butterfly-shaped head bolts.

Preferably, a guide support rod is connected between the fixed seat and the connecting seat, two groups of guide support rods are arranged, the sliding seat is located above the machining table, and the sliding seat is connected to the guide support rods in a sliding mode.

Preferably, a vertical upward driving cylinder is fixedly mounted on the connecting seat, and a supporting plate is fixedly connected to a cylinder piston rod in the driving cylinder.

Preferably, the upper surface of the processing table is provided with a scale which is positioned under the first screw and the second screw.

The utility model has the advantages that: the support column is arranged to support the processing table, the lifting column in sliding connection with the support column can adjust the height of the processing table, the height of the processing table is correspondingly adjusted according to actual processing requirements, and the locking bolt is arranged to fixedly connect the support column and the lifting column; the positions of the corresponding sliding seats on the first screw rod and the second screw rod are changed by rotating the adjusting handles on the two sides, so that the positions of the adjusting and positioning mechanisms are adjusted to clamp the chair backs with different specifications and sizes, the rotating adjusting bolts are rotated to drive the positioning pressing plates to move, the chair backs are tightly pressed on the fixed vertical plates, the stability of the chair backs in the processing process is ensured, the sliding supporting plates and the driving cylinders drive the supporting plates to support the chair back processing, and the stability of the chair back processing is improved; the dial gauge arranged on the processing table is convenient for accurately positioning the chair back, and plays a role in auxiliary positioning when the chair back is processed.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a general plan view of the present invention;

FIG. 3 is a perspective view of the positioning mechanism of the present invention;

FIG. 4 is an axonometric view of the positioning mechanism of the present invention;

in the figure: 1. a processing table; 2. a support pillar; 3. a groove; 4. a lifting column; 5. locking the bolt; 6. a fixed seat; 7. a first screw; 8. a second screw; 9. a connecting seat; 10. an adjusting handle; 11. a guide support rod; 12. a sliding seat; 13. fixing the vertical plate; 14. a sliding support plate; 15. a limit baffle; 16. positioning a pressing plate; 17. adjusting the bolt; 18. a driving cylinder; 19. a support plate; 20. and (4) a scale table.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a positioning tool for processing a chair back comprises a processing table 1, a sliding seat 12, a positioning mechanism and an adjusting bolt 17, wherein fixing seats 6 are arranged at two ends of the upper surface of the processing table 1, a connecting seat 9 is arranged at the center of the upper surface of the processing table 1, a first screw 7 is rotatably connected to the fixing seat 6 at one end of the processing table 1, and a second screw 8 is rotatably connected to the fixing seat 6 at the other end of the processing table 1; one end of the first screw 7 close to the fixed seat 6 is connected with an adjusting handle 10, and the other end of the first screw 7 is rotatably connected to the connecting seat 9; one end of the second screw 8 close to the fixed seat 6 is connected with an adjusting handle 10, and the other end of the second screw 8 is rotatably connected to the connecting seat 9; the sliding seats 12 are connected to the machining table 1 in a sliding mode, two groups of sliding seats 12 are arranged, one group of sliding seats 12 is in threaded connection with the first screw 7, and the other group of sliding seats 12 is in threaded connection with the second screw 8;

the positioning mechanism comprises a fixed vertical plate 13 and a positioning pressing plate 16, the fixed vertical plate 13 is fixedly connected to the sliding seat 12, a sliding support plate 14 is connected to the fixed vertical plate 13 in a sliding and penetrating manner, one end of the sliding support plate 14 is connected with a limiting baffle 15, the other end of the sliding support plate 14 is fixedly connected with the positioning pressing plate 16, an adjusting bolt 17 is rotatably connected to the fixed vertical plate 13, and the adjusting bolt 17 is in threaded connection with the positioning pressing plate 16.

Processing platform 1 bottom is provided with a plurality of groups support

column

2, 2 bottoms of support column are provided with recess 3, sliding connection has lift post 4 in the recess 3, evenly be provided with a plurality of groups screw hole on the lift post 4, threaded connection has locking bolt 5 with screw hole matched with on the support column 2, play the effect of support to processing platform 1 through setting up

support column

2, 4 sliding connection of lift post is on support column 2, and through locking bolt 5 fixed connection support column 2 and lift post 4, can adjust the height of processing platform 1 according to the processing demand.

The locking bolt 5 and the adjusting bolt 17 are both butterfly-shaped head bolts, the locking bolt 5 is used for fixedly connecting the supporting column 2 and the lifting column 4, the adjusting bolt 17 is used for adjusting the position of the positioning pressing plate 16, the butterfly-shaped head bolts are used for the locking bolt 5 and the adjusting bolt 17, the locking and the loosening of the bolts can be realized without using special tools, and the operation is simple and convenient.

Be connected with direction bracing piece 11 between fixing base 6 and the connecting seat 9, direction bracing piece 11 is provided with two sets ofly, and sliding seat 12 is located 1 tops of processing platform, and sliding seat 12 sliding connection is on direction bracing piece 11, and through setting up the effect that direction bracing piece 11 moved and play the direction to sliding seat 12, direction bracing piece 11 is provided with two sets ofly and can ensures sliding seat 12 and remove the stability of in-process.

The connecting seat 9 is fixedly provided with a vertical upward driving cylinder 18, a cylinder piston rod in the driving cylinder 18 is fixedly connected with a supporting plate 19, the driving cylinder 18 is arranged to drive the supporting plate 19 to move up and down, the chair back is placed on the positioning mechanism to be fixed and processed, the driving cylinder 18 drives the supporting plate 19 to move upwards to support the chair back, and therefore the stability of the chair back in the processing process is ensured.

Processing platform 1 upper surface is provided with graduation apparatus 20, and graduation apparatus 20 is located under first screw rod 7 and the second screw rod 8, conveniently reads the 12 migration distances of both sides sliding seat through setting up graduation apparatus 20, is convenient for pinpoint the back of the chair, adds the effect that plays assistance-localization real-time simultaneously to the back of the chair.

The utility model discloses when using, adjust the height of lift post 4 according to staff's height, through locking bolt 5 fixed connection support column 2 and lift post 4, make the staff be in comfortable operational environment, according to the size of a dimension of the back of the chair, adjust the position of the sliding seat 12 that corresponds on first screw rod 7 and the second screw rod 8 through rotating adjustment handle 10, place the back of the chair that will need processing on sliding support plate 14, it removes to drive positioning pressure plate 16 through rotating adjustment bolt 17, compress tightly the back of the chair on fixed riser 13, it supports the back of the chair to drive actuating cylinder 18 simultaneously and drive backup pad 19 rebound, thereby ensure the stability of the back of the chair in the course of working.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The positioning tool for machining the chair back comprises a machining table (1), a sliding seat (12), a positioning mechanism and an adjusting bolt (17), and is characterized in that fixing seats (6) are arranged at two ends of the upper surface of the machining table (1), a connecting seat (9) is arranged at the center of the upper surface of the machining table (1), a first screw (7) is rotatably connected to the fixing seat (6) at one end of the machining table (1), and a second screw (8) is rotatably connected to the fixing seat (6) at the other end of the machining table (1); one end, close to the fixed seat (6), of the first screw rod (7) is connected with an adjusting handle (10), and the other end of the first screw rod (7) is rotatably connected to the connecting seat (9); one end, close to the fixed seat (6), of the second screw rod (8) is connected with an adjusting handle (10), and the other end of the second screw rod (8) is rotatably connected to the connecting seat (9); the sliding seats (12) are connected to the machining table (1) in a sliding mode, two groups of sliding seats (12) are arranged, one group of sliding seats (12) is in threaded connection with the first screw (7), and the other group of sliding seats (12) is in threaded connection with the second screw (8);

the positioning mechanism comprises a fixed vertical plate (13) and a positioning pressing plate (16), the fixed vertical plate (13) is fixedly connected to the sliding seat (12), a sliding support plate (14) is connected to the fixed vertical plate (13) in a sliding and penetrating mode, one end of the sliding support plate (14) is connected with a limiting baffle (15), the other end of the sliding support plate (14) is fixedly connected with the positioning pressing plate (16), an adjusting bolt (17) is rotatably connected to the fixed vertical plate (13), and the adjusting bolt (17) is in threaded connection with the positioning pressing plate (16).

2. The positioning tool for chair back machining according to claim 1, wherein a plurality of groups of supporting columns (2) are arranged at the bottom of the machining table (1), grooves (3) are formed in the bottoms of the supporting columns (2), lifting columns (4) are connected in the grooves (3) in a sliding mode, a plurality of groups of threaded holes are uniformly formed in the lifting columns (4), and locking bolts (5) matched with the threaded holes are connected to the supporting columns (2) in a threaded mode.

3. The positioning tool for chair back machining according to claim 2, wherein the locking bolt (5) and the adjusting bolt (17) are butterfly-head bolts.

4. The positioning tool for chair back machining according to claim 1, wherein two groups of guide support rods (11) are connected between the fixed seat (6) and the connecting seat (9), the sliding seats (12) are located above the machining table (1), and the sliding seats (12) are slidably connected to the guide support rods (11).

5. The positioning tool for machining the chair back according to claim 1, wherein a vertically upward driving cylinder (18) is fixedly mounted on the connecting seat (9), and a supporting plate (19) is fixedly connected to a cylinder piston rod in the driving cylinder (18).

6. The positioning tool for machining the chair back according to claim 1, wherein a scale (20) is arranged on the upper surface of the machining table (1), and the scale (20) is located right below the first screw (7) and the second screw (8).