CN222903057U - A subframe welding tool - Google Patents

Abstract

The utility model discloses a sub-frame welding tool, including a base, a central clamping part, a first clamping welding mechanism and a horizontal positioning mechanism, wherein the first clamping welding mechanism includes a bottom plate slidably connected to the base, a first clamping head slidably connected to the bottom plate, a second clamping head and a central clamping rod fixedly connected to the bottom plate, the first clamping head and the second clamping head are driven to maintain reciprocating motion so that the workpiece is kept in contact with the central clamping rod, and the workpiece is driven to abut against the sub-frame through the base, and the horizontal positioning mechanism includes a movable seat slidably connected to the base, a plug connector and a sensor arranged on the movable seat, and the plug connector is kept plugged with the sub-frame by driving the movable seat to maintain sliding. The sub-frame welding tool provided by the utility model drives the first clamping head, the second clamping head and the central clamping rod to clamp the workpiece to be welded to the welding station through the bottom plate, and can realize automatic clamping and feeding of the welding workpiece, thereby improving welding efficiency.

Description

Auxiliary frame welding fixture

Technical Field

The utility model relates to the technical field of automobile chassis production, in particular to a welding tool for an auxiliary frame.

Background

The auto skeleton type work pieces are typically arc welded via one or more robotic workstations, such as a subframe weld, which is the skeleton of the front and rear axles, which are integral parts of the front and rear axles. The subframe is not a complete frame, but is a bracket for supporting front and rear axles and a suspension, and in the manufacturing process, a part of the workpiece needs to be welded to the subframe to meet the functional or strength requirements of the subframe.

According to the patent number CN105382470A, the invention patent application with publication date 2016-03-09 discloses a welding tool for an auxiliary frame, which comprises a bottom plate, wherein a plurality of groups of edge pressing mechanisms and a plurality of supporting pieces are arranged on the top of the bottom plate, the groups of edge pressing mechanisms are dispersed around the supporting pieces, each edge pressing mechanism comprises a driving unit, a driving rod and a pressing rod which are arranged on the top of the bottom plate, one end of each driving rod is connected with the driving unit, the other end of each driving rod is hinged to the corresponding pressing rod, the driving rod and the pressing rod are fixed through a fixing piece, and under the condition that the auxiliary frame is arranged on the top of the supporting piece, the driving unit can drive the driving rod to move so that the lower part of the front part of the driving rod can prop against the edge of the top of the auxiliary frame. The auxiliary frame is arranged on the top of the supporting piece, the driving rod is driven by the driving unit to vertically move along the up-down direction, then the lower part of the front part of the driving rod can be propped against the edge of the top of the auxiliary frame by adjusting the angle between the driving rod and the pressure rod, and meanwhile, the position between the driving rod and the pressure rod is fixed by the fixing piece, so that the auxiliary frame can be supported by the upward supporting force of the supporting piece and can be pressed downwards by the pressure rod, and can be stably fixed. Therefore, the auxiliary frame welding tool provided by the invention is convenient to operate, and can provide enough clamping force for the auxiliary frame.

In the production process of the auxiliary frame, certain workpieces are required to be welded to the auxiliary frame main body, and the auxiliary frame and the workpieces are required to be fixed during welding so as to facilitate manual or mechanical arm welding.

Disclosure of utility model

The utility model aims to provide a sub-frame welding tool, and aims to provide a mechanism which is convenient for a manipulator to weld a workpiece and a sub-frame, and improves welding efficiency.

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

The utility model provides a sub vehicle frame welding frock, includes the base, still including setting up central clamping part, first centre gripping welding mechanism and the horizontal positioning mechanism on the base, first centre gripping welding mechanism includes sliding connection in the bottom plate of base, sliding connection in the first centre gripping head of bottom plate, second centre gripping head and fixed connection in the central gripping pole of bottom plate, keeps reciprocating motion through driving first centre gripping head, second centre gripping head, makes work piece and central gripping pole keep the butt to order about work piece and sub vehicle frame butt through the base, horizontal positioning mechanism includes sliding connection in the movable seat of base, sets up grafting head and inductor on the movable seat, keeps the grafting through order to make on grafting head and the sub vehicle frame keep by order about the movable seat to slide.

Preferably, the first clamping and welding mechanism further comprises a first driving cylinder and a second driving cylinder, a fixing seat is fixedly installed on the outer wall of one side of the base, the first driving cylinder is fixedly installed on the outer wall of one side of the fixing seat, the output end of the first driving cylinder is connected to the bottom plate, a sliding rail is arranged on the outer wall of one side of the bottom plate, the first clamping head and the second clamping head are both in sliding connection with the sliding rail, the second driving cylinder is fixedly installed on the first clamping head, and the output end of the second driving cylinder is connected to the second clamping head.

Preferably, the center clamping part comprises an inclined positioning mechanism and a rotation limiting mechanism, the inclined positioning mechanism comprises a pushing cylinder, a clamping block and an inclined positioning seat, the inclined positioning seat is fixedly arranged on the outer wall of one side of the base, the pushing cylinder is fixedly arranged on the outer wall of one side of the inclined positioning seat, and the clamping block is fixedly arranged at the output end of the pushing cylinder.

Preferably, the rotation limiting mechanism comprises a third rotary cylinder, a connecting rod, an inclined seat and a limiting piece, wherein the inclined seat is fixedly arranged on the base, the third rotary cylinder is fixedly arranged on the inclined seat, the connecting rod is fixedly connected to the output end of the third rotary cylinder, and the limiting piece is fixedly connected to the connecting rod.

Preferably, the four corners of the base are provided with pressing mechanisms, each pressing mechanism comprises a second rotary cylinder, a bearing block and a pressing block, each second rotary cylinder is fixedly arranged on the base, each pressing block is fixedly arranged on the second rotary cylinder, and each bearing block is fixedly arranged on the outer wall of one side of the base.

Preferably, the base is provided with a bearing mechanism, the bearing mechanism comprises a lifting cylinder and a bearing seat, the lifting cylinder is fixedly connected to the base, and the bearing seat is fixedly connected to the output end of the lifting cylinder.

Preferably, the central clamping part further comprises a central clamping mechanism, the central clamping mechanism comprises a plugging seat, a fourth rotary cylinder and a rotary clamping rod, the plugging seat is fixedly arranged on the base, the fourth rotary cylinder is fixedly arranged on the base, and the rotary clamping rod is fixedly connected to the output end of the fourth rotary cylinder.

In the above technical scheme, the auxiliary frame welding tool provided by the utility model has the following advantages that

The beneficial effects are that:

according to the utility model, the auxiliary frame can be fixed by the central clamping part and the horizontal positioning mechanism which are arranged on the base, the workpiece to be welded is clamped on two sides of the central clamping rod by the first clamping head and the second clamping head of the first welding clamping mechanism which are arranged on the base, and the workpiece to be welded is clamped to the welding station by the first clamping head, the second clamping head and the central clamping rod through the bottom plate, so that the automatic clamping and feeding of the workpiece to be welded can be realized, and the welding efficiency can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of an overall three-dimensional structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the structure of the installation position of each mechanism according to the embodiment of the utility model;

fig. 3 is a schematic perspective view of a first clamping and welding mechanism according to an embodiment of the present utility model;

Fig. 4 is a schematic diagram of a first clamping welding mechanism release structure according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a rotation limiting mechanism according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a tilt positioning mechanism according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a central clamping mechanism according to an embodiment of the present utility model.

Reference numerals illustrate:

1. The device comprises a base, 11, a telescopic cylinder, 12, a rotary rod, 2, a central clamping part, 21, an inclined positioning mechanism, 211, a pushing cylinder, 212, a clamping block, 213, an inclined positioning seat, 22, a rotation limiting mechanism, 221, a third rotary cylinder, 222, a connecting rod, 223, an inclined seat, 224, a limiting plate, 23, a central clamping mechanism, 231, a plugging seat, 232, a fourth rotary cylinder, 233, a rotary clamping rod, 3, a first clamping welding mechanism, 31, a bottom plate, 32, a first clamping head, 33, a second clamping head, 34, a central clamping rod, 35, a first driving cylinder, 36, a second driving cylinder, 37, a fixed seat, 4, a horizontal positioning mechanism, 41, a movable seat, 42, a plug connector, 6, a compressing mechanism, 61, a second rotary cylinder, 62, a bearing block, 63, a compressing block, 7, a bearing mechanism, 71, a lifting cylinder, 72 and a bearing seat.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-7, a welding fixture for a subframe comprises a base 1, and further comprises a central clamping part 2, a first clamping welding mechanism 3 and a horizontal positioning mechanism 4 which are arranged on the base 1, wherein the first clamping welding mechanism 3 comprises a bottom plate 31 which is connected with the base 1 in a sliding manner, a first clamping head 32 and a second clamping head 33 which are connected with the bottom plate 31 in a sliding manner, and a central clamping rod 34 which is fixedly connected with the bottom plate 31, the workpiece is kept in abutting connection with the central clamping rod 34 by driving the first clamping head 32 and the second clamping head 33 to keep reciprocating motion, the workpiece is driven to be in abutting connection with the subframe by the base 1, and the horizontal positioning mechanism 4 comprises a movable seat 41 which is connected with the base 1 in a sliding manner, a plug connector 42 and an inductor which are arranged on the movable seat 41 in a sliding manner, so that the plug connector 42 is kept in plugging connection with the subframe by driving the movable seat 41.

As an embodiment of the present utility model, specifically, a center clamping portion 2 is fixedly installed at the center of the base 1, specifically, the center clamping portion 2 includes an inclined positioning mechanism 21 and a rotation limiting mechanism 22, the inclined positioning mechanism 21 includes a pushing cylinder 211, a clamping block 212 and an inclined positioning seat 213, specifically, the inclined positioning seat 213 is fixedly installed on an outer wall of one side of the base 1, the pushing cylinder 211 is fixedly installed on the inclined positioning seat 213, preferably, the pushing cylinder 211 is obliquely installed on the inclined positioning seat 213, the clamping block 212 is fixedly installed at an output end of the pushing cylinder 211, the clamping block 212 can be driven to stretch by the pushing cylinder 211, an inclined plane which needs to be fixed on a subframe can be adapted by the pushing cylinder 211 which is obliquely arranged, the number of the pushing cylinders 211 is two, the two pushing cylinders 211 are symmetrically arranged on the inclined positioning seat 213, further, the rotation limiting mechanism 22 includes a third rotary cylinder 221, a connecting rod 222, an inclined seat 223 and a limiting piece 224, specifically, the inclined seat 211 is fixedly installed on an outer wall of one side of the base 1, the third rotary cylinder 221 is obliquely fixedly connected to the inclined seat 223, the connecting rod 222 is rotatably connected to the third rotary limiting piece 221 and the auxiliary plate 224 can be driven to rotate and fixedly connected to the third rotary limiting piece 224 to the auxiliary frame 224, which can be rotatably connected to the auxiliary frame 224.

As shown in fig. 3 and 4, the first clamping and welding mechanism 3 includes a bottom plate 31, a first clamping head 32, a second clamping head 33, a central clamping rod 34, a first driving cylinder 35 and a second driving cylinder 36, preferably, the bottom plate 31 is slidably connected to the base 1, a sliding rail is fixedly arranged on an outer wall of one side of the bottom plate 31, the first clamping head 32 and the second clamping head 33 are slidably connected to the sliding rail respectively, the first clamping head 32 and the second clamping head 33 are symmetrically arranged, the central clamping rod 34 is fixedly arranged on an outer wall of one side of the bottom plate 31, the central clamping rod 34 is positioned between the first clamping head 32 and the second clamping head 33, a fixing seat 37 is fixedly arranged on an outer wall of one side of the base 1, the bottom plate 31 is slidably connected to the fixing seat 37, the first driving cylinder 35 is fixedly arranged on the fixing seat 37, an output end of the first driving cylinder 35 is fixedly connected to the bottom plate 31, the first driving cylinder 35 can drive the bottom plate 31 to slide so as to move the workpiece to a welding station, preferably, the fixed seat 37 is obliquely arranged, the workpiece can be obliquely moved to the welding station, interference during welding is reduced, further, the second driving cylinder 36 is fixedly arranged on the first clamping head 32, the output end of the second driving cylinder 36 is fixedly connected with the second clamping head 33, a limiting block is arranged on the bottom plate 31, the output end of the second driving cylinder 36 is kept telescopic, the first clamping head 32 and the second clamping head 33 can be driven to move oppositely or reversely, when the first clamping head 32 and the second clamping head 33 are kept to move oppositely, the workpiece can be clamped on the central clamping rod 34, sensors are arranged on the second clamping head 33 and the central clamping rod 34, when the workpiece is clamped, it is determined whether the workpiece is clamped or not and the workpiece is moved to the welding station by the first driving cylinder 35 to finish welding.

As shown in fig. 1 and 2, in the embodiment provided by the utility model, a pressing mechanism 6 is disposed at four corners of the base 1, specifically, the pressing mechanism 6 includes a second rotary cylinder 61, a bearing block 62 and a pressing block 63, the second rotary cylinder 61 is fixedly mounted on the base 1, the pressing block 63 is fixedly mounted on the second rotary cylinder 61, the bearing block 62 is fixedly mounted on an outer wall of one side of the base 1, and four corners of the base 1 can be fixed by the pressing mechanism 6, so that the subframe can be better fixed on the base 1.

Further, as shown in fig. 6 and 7, the supporting mechanism 7 is provided on the base 1, specifically, the supporting mechanism 7 includes a lifting cylinder 71 and a supporting seat 72, the lifting cylinder 71 is fixedly connected to the base 1, the supporting seat 72 is fixedly connected to an output end of the lifting cylinder 71, the lifting cylinder 71 drives the supporting seat 72 to lift and keep lifting, so that the supporting seat can be abutted with the auxiliary frame, the auxiliary frame and the base can be conveniently positioned, and preferably, a plurality of guide plates 13 are further provided on the base 1, and a space between every two guide plates 13 is matched with a width of the auxiliary frame, so that the auxiliary frame and the base 1 can be conveniently positioned.

According to the utility model, the center clamping part 2 and the horizontal positioning mechanism 4 arranged on the base 1 can fix the auxiliary frame, the movable seat 41 of the horizontal positioning mechanism 4 keeps moving to enable the plug-in connector 42 to be plugged into the auxiliary frame, the auxiliary frame and the base 1 are positioned, the workpiece to be welded is clamped on two sides of the center clamping rod 34 through the first clamping head 32 and the second clamping head 33 of the first clamping welding mechanism 3 arranged on the base 1, and the workpiece to be welded is clamped to a welding station through the bottom plate 31 by driving the first clamping head 32, the second clamping head 33 and the center clamping rod 34, so that automatic clamping and feeding of the welded workpiece can be realized, and the welding efficiency can be improved.

The center clamping part 2 further comprises a center clamping mechanism 23, the center clamping mechanism 23 comprises a plugging seat 231, a fourth rotary cylinder 232 and rotary clamping rods 233, the plugging seat 231 is fixedly arranged on the base 1, the fourth rotary cylinder 232 is fixedly arranged on the base 1, the rotary clamping rods 233 are fixedly connected to the output end of the fourth rotary cylinder 232, and specifically, the number of the fourth rotary cylinder 232 and the number of the rotary clamping rods 233 are two and are symmetrically arranged on the base 1.

Further, be provided with flexible cylinder 11 on base 1, rotate on the flexible cylinder 11 and be connected with rotary rod 12, rotary rod 12 keeps rotating the connection in flexible cylinder 11 outer wall through movable rod rotation connection, can order about rotary rod 12 to keep rotating through flexible cylinder 11.

Preferably, the number of the telescopic cylinders 11 is two, one of the telescopic cylinders is arranged at the central axis of the base 1 and is used for being matched with one of the supporting mechanisms 7, and the other telescopic cylinder is used for being matched with the inclined positioning mechanism 21 to fix the auxiliary frame.

The number of the supporting mechanisms 7 can be adjusted according to the positions to be supported, and the shape of the supporting seat 72 can be designed according to the appearance of the auxiliary frame.

It should be noted that the first clamping and welding mechanism 3 and the horizontal positioning mechanism 4 are symmetrically arranged on the base 1, and the specific positions can be adjusted according to different types of auxiliary frames which are produced as required.

Those skilled in the art will appreciate that other similar connections may implement the present utility model. Such as welding, bonding, or bolting.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The utility model provides a sub vehicle frame welding frock, includes base (1), its characterized in that still includes center clamping part (2), first centre gripping welding mechanism (3) and horizontal positioning mechanism (4) that set up on base (1), first centre gripping welding mechanism (3) are including sliding connection in bottom plate (31) of base (1), sliding connection in first clamping head (32), second clamping head (33) and fixed connection in center clamping rod (34) of bottom plate (31), keep reciprocating motion through driving first clamping head (32), second clamping head (33), make work piece and center clamping rod (34) keep the butt to order to drive work piece and sub vehicle frame butt through base (1), horizontal positioning mechanism (4) are including sliding connection in movable seat (41), are set up grafting head (42) and inductor on movable seat (41), keep sliding in order to keep grafting on messenger's grafting head (42) and the sub vehicle frame through order to drive movable seat (41).

2. The auxiliary frame welding tool according to claim 1, wherein the first clamping welding mechanism (3) further comprises a first driving cylinder (35) and a second driving cylinder (36), a fixing seat (37) is fixedly installed on the outer wall on one side of the base (1), the first driving cylinder (35) is fixedly installed on the outer wall on one side of the fixing seat (37), an output end of the first driving cylinder (35) is connected to the bottom plate (31), a sliding rail is arranged on the outer wall on one side of the bottom plate (31), the first clamping head (32) and the second clamping head (33) are both in sliding connection with the sliding rail, the second driving cylinder (36) is fixedly installed on the first clamping head (32), and an output end of the second driving cylinder (36) is connected to the second clamping head (33).

3. The auxiliary frame welding fixture according to claim 1, wherein the central clamping portion (2) comprises an inclined positioning mechanism (21) and a rotation limiting mechanism (22), the inclined positioning mechanism (21) comprises a pushing cylinder (211), a clamping block (212) and an inclined positioning seat (213), the inclined positioning seat (213) is fixedly mounted on the outer wall of one side of the base (1), the pushing cylinder (211) is fixedly mounted on the outer wall of one side of the inclined positioning seat (213), and the clamping block (212) is fixedly mounted at the output end of the pushing cylinder (211).

4. A welding fixture for auxiliary frames according to claim 3, characterized in that the rotation limiting mechanism (22) comprises a third rotary cylinder (221), a connecting rod (222), an inclined seat (223) and a limiting piece (224), wherein the inclined seat (223) is fixedly arranged on the base (1), the third rotary cylinder (221) is fixedly arranged on the inclined seat (223), the connecting rod (222) is fixedly connected to the output end of the third rotary cylinder (221), and the limiting piece (224) is fixedly connected to the connecting rod (222).

5. The auxiliary frame welding fixture according to claim 1, wherein compression mechanisms (6) are arranged at four corners of the base (1), the compression mechanisms (6) comprise a second rotary cylinder (61), a bearing block (62) and a compression block (63), the second rotary cylinder (61) is fixedly arranged on the base (1), the compression block (63) is fixedly arranged on the second rotary cylinder (61), and the bearing block (62) is fixedly arranged on the outer wall of one side of the base (1).

6. The auxiliary frame welding fixture according to claim 1, wherein the base (1) is provided with a bearing mechanism (7), the bearing mechanism (7) comprises a lifting cylinder (71) and a bearing seat (72), the lifting cylinder (71) is fixedly connected to the base (1), and the bearing seat (72) is fixedly connected to the output end of the lifting cylinder (71).

7. The auxiliary frame welding fixture according to claim 1, wherein the central clamping part (2) further comprises a central clamping mechanism (23), the central clamping mechanism (23) comprises a plug-in seat (231), a fourth rotary cylinder (232) and a rotary clamping rod (233), the plug-in seat (231) is fixedly arranged on the base (1), the fourth rotary cylinder (232) is fixedly arranged on the base (1), and the rotary clamping rod (233) is fixedly connected to the output end of the fourth rotary cylinder (232).