CN215146282U

CN215146282U - Base part welding position clamping device

Info

Publication number: CN215146282U
Application number: CN202121528778.1U
Authority: CN
Inventors: 金德�
Original assignee: Jiaxing Biaosu Auto Parts Co ltd
Current assignee: Jiaxing biaoshu Auto Parts Co.,Ltd.
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-14
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a base spare welding position clamping device, including the workstation, compress tightly positioner, the workstation on be equipped with central locating hole, this central locating hole is used for holding the central reference column at disc lower surface center, realizes fixed to the center of disc, the top of workstation be equipped with the depression bar, the depression bar will lap the suppression on the disc, the both ends of workstation be equipped with the lifter, the upper end of lifter is passed workstation and depression bar cooperation fixed connection, the upper and lower position of restriction depression bar, the lower extreme and the lift drive fixed connection of lifter, the lift of this lift drive lifter. The utility model discloses simple structure, easy dismounting can carry out weldment work to eight nuts and central cylinder behind the clamping, and holistic processing size precision is high, and the error is little, need not to relapse the clamping, and the flexibility ratio of operation is high, has improved the processingquality and the machining efficiency of product greatly.

Description

Base part welding position clamping device

Technical Field

The utility model belongs to the technical field of the frock clamp that uses in the auto-parts course of working and specifically relates to a base spare welding position clamping device.

Background

The automobile accessory is a base part, which is formed by welding a disc base, a central cylinder and a plurality of welding nuts, wherein the center of the disc base is provided with a through hole for accommodating the central cylinder, one side of the disc base is provided with a plurality of welding holes in an array shape, and the welding nuts are fixed at the welding holes through welding. However, in the processing process of the product, because a plurality of welded parts are needed to be welded one by one, the welding size is easy to change due to looseness in the process of multiple times of dismounting and clamping, and the quality and the production speed of the product are influenced. Different sizes of base members require different sized clamping tools, and it is desirable to have tooling for easy replacement to accommodate the production requirements. Therefore need develop a section and be used for the frock clamp that base spare welding process used urgently, had both satisfied the centre of a circle concentricity requirement of two work pieces of central cylinder and disc base among this product welding process, the requirement of the welding size between weld nut and the disc base makes things convenient for the workman to carry out the dismouting again, improves work efficiency's frock clamp.

Disclosure of Invention

In order to solve the above problem, the utility model provides a base spare welding position clamping device.

The technical scheme of the utility model is that: a welding, positioning and clamping device for a base part comprises a welding workbench and a clamping assembly, wherein the clamping assembly comprises a clamping base, a pressing plate and a pressing assembly, the base part to be processed comprises a disc base, a welding nut and a central cylinder, and the welding nut and the central cylinder are required to be respectively welded and fixed with the disc base; the welding workbench is provided with a pressing cylinder for driving the pressing plate to lift, and the cylinder shaft output end of the pressing cylinder stretches and drives the pressing plate to drive the pressing assembly to tightly press and fix the welding nut on the disc base.

Preferably, the welding workbench is provided with a rotary table, the rotary table is provided with a pressing cylinder fixing seat, a cylinder body of the pressing cylinder is fixed on the pressing cylinder fixing seat, and a cylinder shaft output end of the pressing cylinder extends downwards to be connected with the pressing plate.

Preferably, the clamping base is provided with a central column positioning column protruding upwards and welding nut positioning columns arranged in an array.

Preferably, the diameter of the central column positioning column is consistent with the inner diameter of the central column; the positions of the welding nut positioning columns correspond to the welding holes in the disc base one by one, and the diameters of the welding nut positioning columns are consistent with the inner diameters of the welding holes; the height of the central column positioning column and the height of the welding nut positioning column are larger than the thickness of the disc base.

Preferably, guide rods are arranged at two ends of the clamping base, guide sleeves are arranged at two ends of the pressing plate, the guide rods are arranged in the guide sleeves, and the cylinder shaft output end of the pressing cylinder is fixed with the center of the pressing plate.

Preferably, the welding workbench is provided with a limiting column protruding upwards, the clamping base is internally provided with a limiting hole capable of accommodating the limiting column, and the limiting column is arranged in the limiting hole to realize the positioning of the clamping base.

As a further preferred option, the hold-down assembly comprises a hold-down stud, a hold-down nut, a buffer spring and a hold-down sleeve, a through hole is arranged at a position on the pressing plate corresponding to the welding nut positioning column, the hold-down stud penetrates into the through hole from the upper side of the pressing plate to the lower side and then is fixedly connected with the hold-down nut, the hold-down sleeve is arranged at the lower end of the hold-down stud, the buffer spring is arranged outside the middle part of the hold-down stud, the upper end and the lower end of the buffer spring are respectively welded and fixed with the hold-down nut and the hold-down sleeve, and the hold-down sleeve can move up and down at the lower end of the hold-down stud under the buffering action of the buffer spring.

The utility model has the advantages that: the utility model discloses simple structure, easy dismounting just can carry out weldment work to eight nuts and central cylinder after a clamping, and holistic size precision is high, and the error is little, need not to relapse the clamping. And can also change clamping base and clamp plate according to the product of different dimensions, the flexibility ratio of operation is high. The utility model discloses the processingquality and the machining efficiency of product have been improved greatly.

Drawings

FIG. 1 is a perspective view of the utility model in use;

FIG. 2 is a schematic structural view of a welding table of the present invention;

fig. 3 is a schematic structural view of the clamping base of the present invention;

FIG. 4 is a schematic view of the fitting structure of the base member and the clamping base according to the present invention;

fig. 5 is a schematic structural diagram of the disc base of the present invention;

figure 6 is a top view of the clamping assembly of the present invention when clamping the base member;

fig. 7 is a sectional view taken along line a-a of the present invention.

Description of reference numerals: 1: a turntable; 2: a pressing cylinder; 3: pressing a plate; 4: a central column; 5: a disc base; 6: a welding workbench; 7: welding a nut; 8: clamping a base; 9: a pressing cylinder fixing seat; 10: an air cylinder shaft output end; 11: a limiting column; 12: a guide bar; 13: welding a nut positioning column; 14: a limiting hole; 15: a central column positioning post; 16: welding the hole; 17: a guide sleeve; 18: compressing the stud; 19: a compression nut; 20: a buffer spring; 21: and compressing the sleeve.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments:

as shown in fig. 1-7, the utility model comprises a welding workbench 6 and a clamping assembly, wherein the clamping assembly comprises a clamping base 8, a pressing plate 3 and a pressing assembly, a base member to be processed comprises a disc base 5, a welding nut 7 and a central cylinder 4, and the welding nut 7 and the central cylinder 4 are respectively welded and fixed with the disc base 5; the disc base 5 is fixed on the clamping base 8, the welding workbench 6 is provided with a pressing cylinder 2 for driving the pressing plate 3 to ascend and descend, and the cylinder shaft output end 10 of the pressing cylinder 2 stretches and retracts to drive the pressing plate 3 to drive a pressing assembly to tightly press and fix the welding nut 7 on the disc base 5.

In this embodiment, the welding workbench 6 is provided with the rotary table 1, the rotary table 1 is provided with the pressing cylinder fixing seat 9, the cylinder body of the pressing cylinder 2 is fixed on the pressing cylinder fixing seat 9, and the cylinder shaft output end 10 of the pressing cylinder 2 extends downwards to be connected with the pressing plate 3. The design of revolving stage 1 conveniently compresses tightly fixing between cylinder 2 and the clamp plate 3, rotates revolving stage 1 to clamp plate 3 top during the installation, and the cylinder axle output 10 that compresses tightly cylinder 2 is connected with clamp plate 3, puts aside compressing tightly cylinder 2 on the rig floor during the dismantlement, convenient dismantlement.

In this embodiment, the clamping base 8 is provided with central column positioning columns 15 protruding upwards and welding nut positioning columns 13 arranged in an array.

In this embodiment, the diameter of the central column positioning column 15 is consistent with the inner diameter of the central column 4; the positions of the welding nut positioning columns 13 correspond to the welding holes 16 on the disc base 5 one by one, and the diameters of the welding nut positioning columns 13 are consistent with the inner diameters of the welding holes 16; the heights of the central column positioning column 15 and the welding nut positioning column 13 are greater than the thickness of the disc base 5. After the welding nut positioning column 13 penetrates through the welding hole 16 on the disc base 5, as the height of the welding nut positioning column 13 is larger than the thickness of the disc base 5, the welding nut positioning column 13 can extend into the welding nut 7 above the welding nut positioning column to position the welding nut 7, and as the diameter of the welding nut positioning column 13 is consistent with the inner diameter of the welding hole 16, the welding nut 7 cannot shake, and the positioning is accurate; the central cylinder 4 is arranged in a hole in the center of the disc base 5, because the height of the central cylinder positioning column 15 is greater than the thickness of the disc base 5, the central cylinder positioning column 15 can extend into the central cylinder 4, the diameter of the central cylinder positioning column 15 is consistent with the inner diameter of the central cylinder 4, the central cylinder 4 cannot shake, and the positioning is accurate.

In this embodiment, the two ends of the clamping base 8 are provided with guide rods 12, the two ends of the pressing plate 3 are provided with guide sleeves 17, the guide rods 12 are arranged in the guide sleeves 17, and the cylinder shaft output end 10 of the pressing cylinder 2 is fixed with the center of the pressing plate 3.

In this embodiment, the welding worktable 6 is provided with a limiting post 11 protruding upwards, a limiting hole 14 capable of accommodating the limiting post 11 is formed in the clamping base 8, and the limiting post 11 is arranged in the limiting hole 14 to position the clamping base 8.

In this embodiment, the pressing assembly includes a pressing stud 18, a pressing nut 19, a buffer spring 20 and a pressing sleeve 21, a through hole is formed in a position, corresponding to the welding nut positioning column 13, of the pressing plate 3, the pressing stud 18 penetrates through the through hole downwards from the upper side of the pressing plate 3 and then is fixedly connected with the pressing nut 19, the pressing sleeve 21 is arranged at the lower end of the pressing stud 18, the buffer spring 20 is arranged outside the middle of the pressing stud 18, the upper end and the lower end of the buffer spring 20 are respectively welded and fixed with the pressing nut 19 and the pressing sleeve 21, and the pressing sleeve 21 can move up and down at the lower end of the pressing stud 18 under the buffering action of the buffer spring 20.

The working principle is as follows: the clamping assembly with the proper size is selected, the clamping base 8 is arranged on the welding workbench 6, and the limiting column 11 on the welding workbench 6 is arranged in the limiting hole 14 of the clamping base 8 to limit the clamping base 8. The disc base 5 is arranged on the clamping base 8, the central cylinder positioning column 15 of the disc base 5 is arranged in a central hole of the clamping base, and the welding nut positioning column 13 is arranged in a welding hole 16 to limit the disc base 5. The central column 4 is arranged on the central column positioning column 15, so that the position relation between the central column 4 and the disc base 5 is determined. The weld nut 7 is arranged on the weld nut positioning column 13, and the position relation between the weld nut 7 and the disc base 5 is determined. The pressing plate 3 is sleeved on the guide rod 12, the rotary table 1 is rotated, and the cylinder shaft output end 10 of the pressing cylinder 2 is connected with the center of the pressing plate 3. The cylinder shaft output end 10 of the pressing cylinder 2 extends, the pressing plate 3 moves downwards to drive the pressing assembly to move downwards, the pressing sleeve 21 presses the welding nut 7 downwards, and the welding nut 7 is pressed under the action of the buffer spring 20. Welding work is performed between the welding nut 7, the central cylinder 4 and the disc base 5. After welding, the cylinder shaft output end 10 retracts, and the machined base member is loosened. And re-clamping the base piece to be machined, and re-welding the next workpiece.

In the description of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the term "connected" or the like is to be construed broadly, e.g., as meaning a fixed connection, a detachable connection, or an integral part; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A welding, positioning and clamping device for a base part is characterized by comprising a welding workbench (6) and a clamping assembly, wherein the clamping assembly comprises a clamping base (8), a pressing plate (3) and a pressing assembly, the base part to be processed comprises a disc base (5), a welding nut (7) and a central cylinder (4), and the welding nut (7) and the central cylinder (4) are required to be welded and fixed with the disc base (5) respectively; the disc base (5) is fixed on the clamping base (8), the welding workbench (6) is provided with a pressing cylinder (2) for driving the pressing plate (3) to ascend and descend, and a cylinder shaft output end (10) of the pressing cylinder (2) stretches and retracts to drive the pressing plate (3) to drive a pressing assembly to tightly press and fix the welding nut (7) on the disc base (5).

2. The welding, positioning and clamping device for the base part according to claim 1, wherein the welding workbench (6) is provided with a rotary table (1), the rotary table (1) is provided with a pressing cylinder fixing seat (9), the cylinder body of the pressing cylinder (2) is fixed on the pressing cylinder fixing seat (9), and the cylinder shaft output end (10) of the pressing cylinder (2) extends downwards to be connected with the pressing plate (3).

3. The welding, positioning and clamping device for the base parts according to claim 1 or 2, characterized in that the clamping base (8) is provided with central column positioning columns (15) protruding upwards and welding nut positioning columns (13) arranged in an array.

4. The welding, positioning and clamping device for the base parts as claimed in claim 3, wherein the diameter of the central cylinder positioning column (15) is consistent with the inner diameter of the central cylinder (4); the positions of the welding nut positioning columns (13) correspond to the welding holes (16) in the disc base (5) one by one, and the diameters of the welding nut positioning columns (13) are consistent with the inner diameters of the welding holes (16); the height of the central column positioning column (15) and the height of the welding nut positioning column (13) are larger than the thickness of the disc base (5).

5. The welding, positioning and clamping device for the base parts according to claim 1, characterized in that guide rods (12) are arranged at two ends of the clamping base (8), guide sleeves (17) are arranged at two ends of the pressing plate (3), the guide rods (12) are arranged in the guide sleeves (17), and the cylinder shaft output end (10) of the pressing cylinder (2) is fixed with the center of the pressing plate (3).

6. The welding, positioning and clamping device for the base part according to claim 1, wherein the welding workbench (6) is provided with a limiting column (11) which protrudes upwards, a limiting hole (14) which can accommodate the limiting column (11) is formed in the clamping base (8), and the limiting column (11) is arranged in the limiting hole (14) to position the clamping base (8).

7. The welding, positioning and clamping device for the base members according to claim 3, characterized in that the compression assembly comprises a compression stud (18), a compression nut (19), a buffer spring (20) and a compression sleeve (21), a through hole is arranged at the position of the pressure plate (3) corresponding to the welding nut positioning column (13), the compression stud (18) penetrates into the through hole from the upper part of the pressure plate (3) to the lower part and then is fixedly connected with the compression nut (19), the compression sleeve (21) is arranged at the lower end of the compression stud (18), the buffer spring (20) is arranged outside the middle part of the compression stud (18), the upper end and the lower end of the buffer spring (20) are respectively welded and fixed with the compression nut (19) and the compression sleeve (21), the pressing sleeve (21) can move up and down at the lower end of the pressing stud (18) under the buffering of the buffer spring (20).