CN218695457U

CN218695457U - Welding fixing clamp for machining

Info

Publication number: CN218695457U
Application number: CN202222732918.8U
Authority: CN
Inventors: 包奇; 王旭; 包景春
Original assignee: Yuzhou Wanbang Machinery Co ltd
Current assignee: Yuzhou Wanbang Machinery Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-24
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a welding fixed clamp for machining, include because provide the base device who supports and restrict the slip direction, the symmetry is provided with two and is used for rotating the transfer device that drives the translation and make the work piece draw close in the middle of the base device, the transfer device top is provided with and is used for bearing the weight of the work piece and drives its driven device that removes, the driven device top is provided with the clamping device who is used for the different thickness work pieces of fixed centre gripping. The welding and fixing clamp for machining provided by the utility model can complete the operation without electric energy through the design of auxiliary welding of the handrail and the turntable, and the operation steps are simpler; the clamping plate is pushed by the spring to clamp the workpieces, so that the workpieces with different sizes can be fixed, and the universality is higher; the design that the workpieces are driven to move respectively through the two independent rotating discs is convenient for adjusting the workpieces with different lengths, so that the clamping mode is more flexible.

Description

Welding fixing clamp for machining

Technical Field

The utility model belongs to the mechanical welding processing field especially relates to a welding fixture for machining.

Background

The mechanical processing is one of the most basic problems in the mechanical field, including the common steps of plasticity, heat treatment, cutting, welding and the like, the welding is generally an operation process of combining and fixing two separated workpieces into a whole by a welding rod and a plurality of heating welding modes, in order to ensure the welding quality and the welding uniformity, two workpieces to be welded need to be fixed so as to improve the welding precision, and therefore, a special clamp is needed to be matched for use so as to achieve the effect of error.

Chinese patent that contrast application number is CN202120078772.2 discloses a welding fixture for machine-building, including welding machine, welding machine base and mounting fixture, the outside bottom of welding machine is provided with the second slide rail, the support column is installed to the inboard of second slide rail, the support column is kept away from the movable block is installed to the other end of welding machine, the top of welding machine base is provided with the recess, two sets of first slide rails are installed to the inner wall of recess, first slide rail with movable block interconnect.

The disadvantages of the above patents are: the operation is carried out by electric power, the structure is complex, and the operation method is not simple enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding fixed clamp for machining to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a welding and fixing clamp for machining comprises a base device for supporting and limiting the sliding direction, two transfer devices for driving the workpiece to move close by rotating and translating are symmetrically arranged in the middle of the base device, a driven device for bearing the workpiece and driving the workpiece to move is arranged at the top of the transfer devices, and clamping devices for fixedly clamping workpieces with different thicknesses are arranged at the top of the driven device; the driven device comprises a rack, two connecting shafts are symmetrically arranged at two ends of the rack, and rollers are symmetrically and rotatably arranged at two ends of each connecting shaft; the clamping device comprises a clamping base, a clamping upper cover is arranged at the top of the clamping base, a rotating shaft is arranged between the clamping base and the clamping upper cover, four springs are symmetrically and fixedly arranged in the middle of the clamping upper cover, clamping plates are fixedly arranged at the bottoms of the springs, a limiting block is fixedly arranged on the clamping base, a handrail is fixedly arranged in front of the clamping upper cover, and a magnetic suction block is arranged in front of the clamping base.

Further: the base device comprises a bearing frame, and two guide rails are symmetrically and fixedly arranged at the top of the bearing frame.

Further: the transfer device comprises a support, a transmission shaft is rotatably arranged in the middle of the support, a turntable is fixedly arranged at the front end of the transmission shaft, and a gear is arranged at the rear end of the transmission shaft.

Further, the method comprises the following steps: the guide rail is U-shaped, and the guide rail is welded with the bearing frame.

Further: the transmission shaft is connected with the bracket bearing.

Further: the handrail adopts Q235 steel material, the centre gripping base with rack bolted connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the design of auxiliary welding of the handrail and the turntable, the operation can be finished without electric energy, and the operation steps are simpler;

2. the clamping plate is pushed by the spring to clamp the workpieces, so that the workpieces with different sizes can be fixed, and the universality is higher;

3. the design that the two independent turntables drive the workpieces to move respectively is convenient for adjusting the workpieces with different lengths, so that the clamping mode is more flexible.

Drawings

Fig. 1 is a schematic structural view of a welding fixture for machining according to the present invention;

fig. 2 is a schematic structural view of a base device of a welding fixture for machining according to the present invention;

fig. 3 is a schematic structural view of a transfer device of a welding fixture for machining according to the present invention;

fig. 4 is a schematic structural view of a driven device of the welding fixture for machining according to the present invention;

fig. 5 is a schematic structural view of a clamping device of a welding fixture for machining according to the present invention;

fig. 6 is a right side view of the clamping device of the welding fixture for machining of the present invention.

In the reference symbols: 1. a base unit; 101. a bearing frame; 102. a guide rail; 2. a transfer device; 201. a support; 202. a drive shaft; 203. a turntable; 204. a gear; 3. a driven device; 301. a rack; 302. a connecting shaft; 303. a roller; 4. a clamping device; 401. clamping the base; 402. clamping the upper cover; 403. a rotating shaft; 404. a spring; 405. a splint; 406. a limiting block; 407. a handrail; 408. and (6) magnetically attracting the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a welding fixture for machining includes a base device 1 for supporting and limiting a sliding direction, two transfer devices 2 for rotating and driving the transfer devices to move the workpieces together are symmetrically disposed in the middle of the base device 1, a driven device 3 for supporting the workpieces and driving the workpieces to move is disposed on the top of the transfer devices 2, and a clamping device 4 for fixedly clamping the workpieces with different thicknesses is disposed on the top of the driven device 3.

In this embodiment: the base device 1 comprises a bearing frame 101, two guide rails 102 are symmetrically and fixedly arranged on the top of the bearing frame 101, the guide rails 102 are U-shaped, and the guide rails 102 are welded with the bearing frame 101;

in this embodiment: the transfer device 2 comprises a bracket 201, a transmission shaft 202 is rotatably arranged in the middle of the bracket 201, a turntable 203 is fixedly arranged at the front end of the transmission shaft 202, a gear 204 is arranged at the rear end of the transmission shaft 202, the transmission shaft 202 is in bearing connection with the bracket 201, the turntable 203 is rotated, the bracket 201 supports the turntable 203, the gear 204 is driven to rotate through the transmission shaft 202, the gear 204 is meshed with a rack 301 to drive the two workpieces to move, the two workpieces independently move by respectively rotating the turntables 203 at the two sides, and the proper distance is adjusted to perform welding;

in this embodiment: the driven device 3 comprises a rack 301, two connecting shafts 302 are symmetrically arranged at two ends of the rack 301, rollers 303 are symmetrically and rotatably arranged at two ends of the connecting shafts 302, the rack 301 drives the rollers 303 to translate along the guide rail 102 through the connecting shafts 302, and then the rack 301 drives a clamped workpiece to move through the clamping device 4;

in this embodiment: the clamping device 4 comprises a clamping base 401, a clamping upper cover 402 is arranged at the top of the clamping base 401, a rotating shaft 403 is arranged between the clamping base 401 and the clamping upper cover 402, four springs 404 are symmetrically and fixedly arranged in the middle of the clamping upper cover 402, clamping plates 405 are fixedly arranged at the bottoms of the springs 404, a limiting block 406 is fixedly arranged on the clamping base 401, a handrail 407 is fixedly arranged in front of the clamping upper cover 402, a magnetic attraction block 408 is arranged in front of the clamping base 401, the handrail 407 is made of Q235 steel materials, the clamping base 401 is in bolted connection with a rack 301, two workpieces to be welded are respectively placed on the two clamping bases 401, the workpieces are aligned with the limiting block 406 to determine the longitudinal position, the handrail 407 is pulled down to enable the clamping upper cover 402 to rotate along the rotating shaft 403, the clamping upper cover 402 covers the clamping base 401, the handrail 407 clings to the magnetic attraction block 408 under the magnetic force action of the magnetic attraction block 408, and the springs 404 press the clamping plates 405 through elasticity to enable the workpieces to be clamped between the clamping base 401 and the clamping upper cover 402, and fixation is completed.

The working principle is as follows: two workpieces to be welded are respectively placed on two clamping bases 401, the workpieces are aligned with a limiting block 406 to determine the longitudinal position, a handrail 407 is pulled down to enable a clamping upper cover 402 to rotate along a rotating shaft 403, the clamping upper cover 402 covers the clamping bases 401, the handrail 407 is tightly attached to a magnetic attraction block 408 under the magnetic force action of the magnetic attraction block 408, a spring 404 presses down a clamping plate 405 through elasticity to enable the workpieces to be clamped between the clamping bases 401 and the clamping upper cover 402 to complete fixation, a rotary table 203 is rotated, a support 201 supports the rotary table 203 to drive a gear 204 to rotate through a transmission shaft 202, the gear 204 is meshed with a rack 301 to drive the rack 301 to move, the rack 301 drives a roller 303 to translate along a guide rail 102 through a connecting shaft 302, then the rack 301 drives the clamped workpieces to move through a clamping device 4, the two workpieces are enabled to independently move through respectively rotating the rotary tables 203 on two sides, and a proper distance is adjusted to perform welding.

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

Claims

1. The utility model provides a welding fixation anchor clamps for machining, includes owing to provide base device (1) that supports and restriction slip direction, the symmetry is provided with two and is used for rotating transfer device (2) that drive the translation and make the work piece draw close in the middle of base device (1), transfer device (2) top is provided with driven device (3) that are used for bearing the weight of the work piece and drive its removal, its characterized in that: the top of the driven device (3) is provided with a clamping device (4) for fixedly clamping workpieces with different thicknesses;

the driven device (3) comprises a rack (301), two connecting shafts (302) are symmetrically arranged at two ends of the rack (301), and rollers (303) are symmetrically and rotatably arranged at two ends of each connecting shaft (302);

clamping device (4) are including centre gripping base (401), centre gripping base (401) top is provided with centre gripping upper cover (402), centre gripping base (401) with be provided with pivot (403) between centre gripping upper cover (402), the centre symmetry is fixed to be provided with four springs (404) in the middle of centre gripping upper cover (402), spring (404) bottom is fixed to be provided with splint (405), fixed stopper (406) that is provided with above centre gripping base (401), the preceding fixed handrail (407) that is provided with of centre gripping upper cover (402), centre gripping base (401) are preceding to be provided with magnetism and inhale piece (408).

2. The welding fixing jig for machining according to claim 1, characterized in that: the base device (1) comprises a bearing frame (101), and two guide rails (102) are symmetrically and fixedly arranged at the top of the bearing frame (101).

3. The welding fixing jig for machining according to claim 1, characterized in that: the transfer device (2) comprises a support (201), a transmission shaft (202) is rotatably arranged in the middle of the support (201), a turntable (203) is fixedly arranged at the front end of the transmission shaft (202), and a gear (204) is arranged at the rear end of the transmission shaft (202).

4. The welding fixing jig for machining according to claim 2, characterized in that: the guide rail (102) is U-shaped, and the guide rail (102) and the bearing frame (101) are welded together.

5. The welding fixing jig for machining according to claim 3, characterized in that: the transmission shaft (202) is in bearing connection with the bracket (201).

6. The welding fixing jig for machining according to claim 1, characterized in that: the handrail (407) is made of Q235 steel materials, and the clamping base (401) is connected with the rack (301) through bolts.