CN107127505A - Vehicle frame lower body Combination Welding frock - Google Patents

Abstract

The invention discloses a combined welding tool for the lower body of a vehicle frame, which comprises a bottom plate, a left positioning seat, a middle positioning seat, a right positioning seat, a positioning sleeve installed on a rear fork bushing, a positioning rod installed on a rear fork bushing, a left connecting block, and a bushing The positioning pin positioning column, the lower connecting rod positioning block, the right connecting block, the left end of the first, second, and third sliding positioning columns share the left connecting block and the left quick push clamp horizontally linked and installed together, the fourth and fifth The right end of the sliding positioning column shares the right connecting block and the right quick push clip horizontal linkage and is installed together; the positioning sleeve of the rear fork bushing is provided with an "L"-shaped locking gap, and the positioning rod of the rear fork bushing is provided with a For the radial lock pin, turn the rear fork bushing to install the positioning rod, and slide the radial lock pin into the "L" shaped locking gap for locking. It is convenient and quick to install each component on the welding tool. By operating the radial lock pin, the left quick push clamp, and the right and left quick push clamp, the quick clamping and positioning of the workpiece can be completed, which is easy and labor-saving, and has high positioning accuracy.

Description

Frame lower body combined welding tooling

technical field

The invention belongs to the technical field of welding tooling for vehicles, and in particular relates to a combined welding tooling for the lower body of a vehicle frame.

Background technique

As shown in Figure 3, the lower body of the frame is welded by the left lower body assembly a, the right lower body assembly b, the rear fork installation bushing c, the exhaust pipe muffler connecting plate d and the lower connecting rod e.

The existing welding tool for the lower body of the vehicle frame has a complex structure, and the installation of each part on the welding tool is complicated to operate, and the positioning accuracy is not high, resulting in low product consistency.

Contents of the invention

The present invention aims to provide a positioning tool specially used for welding the lower body of the vehicle frame, which has the characteristics of simple structure, convenient installation and positioning operation, and high positioning accuracy, thereby improving the consistency of welding products.

For this reason, the technical solution adopted by the present invention is: a combined welding tool for the lower body of the vehicle frame, including a bottom plate, and the bottom plate is fixedly installed with a left quick push clip, a left positioning seat, a middle positioning seat, a right The positioning seat and the right quick push clip, the left positioning seat is provided with a fixedly installed rear fork bushing mounting positioning sleeve from front to back, and a first sliding positioning column, a second sliding positioning column and a third sliding positioning column that are movable. A sliding positioning post, the rear fork bushing installation positioning sleeve is coaxially installed with a rear fork bushing installation positioning rod, and the left end of the first sliding positioning post, the second sliding positioning post and the third sliding positioning post share the same The left connecting block and the left quick push clip are horizontally linked and installed together. The left and right sides of the middle positioning seat are respectively provided with a first fixed positioning column and a second fixed positioning column. There are fixedly installed shaft sleeve positioning pin positioning columns, as well as the fourth sliding positioning column and the fifth sliding positioning column that are movable. The lower connecting rod positioning block is also fixedly installed on the right positioning seat. The right side ends of the five sliding positioning posts share the same right connecting block and the right quick push clip is horizontally linked and installed together; the first sliding positioning post, the first fixed positioning post and the fourth sliding positioning post are coaxially arranged, and the third sliding positioning post The positioning post, the second fixed positioning post and the fifth sliding positioning post are arranged coaxially, the rear fork bushing installation positioning sleeve is coaxially arranged with the bushing positioning pin positioning post, and the rear fork bushing installation positioning sleeve is provided with an "L" shape There is a radial locking pin on the positioning rod for the rear fork bushing. Turn the positioning rod on the rear fork bushing to slide the radial locking pin into the "L"-shaped locking gap to lock the rear fork. The shaft sleeve is installed and the axis of the positioning rod moves.

As a preference of the above solution, the middle positioning seat includes a first positioning seat, a second positioning seat and a third positioning seat arranged at intervals front and back, wherein the width of the first positioning seat is greater than that of the second positioning seat and the third positioning seat. Width, the first fixed positioning column is arranged on the second positioning seat, the second fixed positioning column is arranged on the third positioning seat, and the middle positioning seat is divided into three parts, which is more convenient for processing and manufacturing.

How to use: (1) The left and right lower body components lean on both sides of the middle positioning seat symmetrically, and then pass through the clamping group composed of the first sliding positioning column and the first fixed positioning column, the third sliding positioning column and the second The clamping group composed of fixed positioning posts clamps the left lower body assembly, through the clamping group composed of the fourth sliding positioning post and the first fixed positioning post, the clamping group composed of the fifth sliding positioning post and the second fixed positioning post Clamp the lower right body assembly; (2) The rear fork mounting bushing is inserted into the rear fork bushing installation positioning rod, and the radial lock pin of the rear fork bushing mounting positioning rod slides into the "L" shaped locking groove to lock, Then install the positioning sleeve and the positioning pin positioning column of the rear fork bushing to clamp the rear fork mounting bushing from the left and right ends; (3) the lower connecting rod passes through the left and right lower body components, and the right end of the lower connecting rod passes through the lower The connecting rod positioning block is compressed; (4) one end of the exhaust pipe muffler connecting plate is sleeved on the left end of the lower connecting rod, and the other end is sleeved on the second sliding positioning column. (5) The first sliding positioning column, the second sliding positioning column and the third sliding positioning column realize linkage and compression of the corresponding workpiece through the left quick push clamp, and the fourth sliding positioning column and the fifth sliding positioning column are realized through the right quick push clamp The corresponding workpiece is pressed in linkage.

Beneficial effects of the present invention: each component is convenient and quick to install on the welding tool, and the fast clamping and positioning of the workpiece can be completed by operating the radial lock pin, the left quick push clamp, and the right and left quick push clamp, which is easy and labor-saving, and has high positioning accuracy .

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the clamping of the workpiece on the present invention.

Figure 3 is a schematic diagram of the lower body of the frame after welding.

detailed description

Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:

As shown in Fig. 1 and Fig. 2, a combined welding tool for the lower body of the vehicle frame is mainly composed of a base plate 1, a left quick push clamp 2, a left positioning seat 3, a middle positioning seat 4, a right positioning seat 5, a right quick push clamp 6, Rear fork bushing installation positioning sleeve 7, first sliding positioning post 8, second sliding positioning post 9, third sliding positioning post 10, rear fork bushing installation positioning rod 11, left connecting block 12, bushing positioning pin positioning post 13. The fourth sliding positioning column 14, the fifth sliding positioning column 15, the lower connecting rod positioning block 16, and the right connecting block 17 are formed.

The base plate 1 is fixedly installed with a left fast push clip 2, a left positioning seat 3, a middle positioning seat 4, a right positioning seat 5 and a right fast push clip 6 from left to right.

The left positioning seat 3 is horizontally provided with rear fork bushing mounting positioning sleeve 7 , first sliding positioning column 8 , second sliding positioning column 9 and third sliding positioning column 10 in sequence from front to rear. Wherein, the rear fork shaft sleeve is fixedly installed with the positioning sleeve 7 , and the first sliding positioning column 8 , the second sliding positioning column 9 and the third sliding positioning column 10 are movably installed. Back fork shaft sleeve is installed coaxially with rear fork shaft sleeve and positioning rod 11 is installed in positioning sleeve 7 . The left end of the first sliding positioning column 8, the second sliding positioning column 9 and the third sliding positioning column 10 share the same left connecting block 12 and the left quick push clip 2 is horizontally linked and installed together, and the left quick push clip 2 drives the second A sliding positioning column 8, a second sliding positioning column 9 and a third sliding positioning column 10 move left and right, thereby compressing the workpiece.

The left and right sides of the middle positioning seat 4 are respectively provided with a first fixed positioning column 4a and a second fixed positioning column 4b, namely two first fixed positioning columns 4a and two second fixed positioning columns 4b in total.

The right positioning seat 5 is also provided with an axle sleeve positioning pin positioning column 13 , a fourth sliding positioning column 14 and a fifth sliding positioning column 15 , and a lower connecting rod positioning block 16 . Wherein, the shaft sleeve positioning pin positioning post 13, the fourth sliding positioning post 14 and the fifth sliding positioning post 15 are arranged horizontally from front to back, and the lower connecting rod positioning block 16 is located above the fifth sliding positioning post 15; The positioning column 13 and the lower connecting rod positioning block 16 are fixedly installed, and the fourth sliding positioning column 14 and the fifth sliding positioning column 15 are movably installed. The right end of the fourth sliding positioning column 14 and the fifth sliding positioning column 15 share the same right connecting block 17 and the right quick push clamp 6 horizontally linked and installed together, and the fourth sliding positioning column 14 and the fourth sliding positioning column 14 are driven by the right quick push clamp 6 The five sliding positioning columns 15 move left and right, thereby compressing the workpiece.

The first sliding positioning column 8, the first fixed positioning column 4a and the fourth sliding positioning column 14 are coaxially arranged, the third sliding positioning column 10, the second fixed positioning column 4b and the fifth sliding positioning column 15 are coaxially arranged, and the rear fork The shaft sleeve is installed with the positioning sleeve 7 and the shaft sleeve positioning pin positioning column 13 is coaxially arranged.

The rear fork sleeve installation positioning sleeve 7 is provided with an "L" shaped locking gap 7a, and the rear fork sleeve installation positioning rod 11 is provided with a radial lock pin 11a, and the rear fork sleeve installation positioning rod 11 can be rotated to move the diameter Slide the locking pin 11a into the "L"-shaped locking slot 7a and lock it to prevent the axial movement of the rear fork bushing installation positioning rod 11.

Preferably, the middle positioning seat 4 is provided with the first positioning seat 4c, the second positioning seat 4d and the third positioning seat 4e at intervals before and after, wherein the width of the first positioning seat 4c is greater than that of the second positioning seat 4d, the third positioning seat 4d and the third positioning seat 4c. The width of the seat 4e is matched with the contours of the corresponding left and right lower body components. The first fixed positioning post 4a is arranged on the second positioning seat 4d, and the second fixed positioning post 4b is arranged on the third positioning seat 4e.

The left lower body assembly a and the right lower body assembly b lean on both sides of the middle positioning seat 4 symmetrically, and then pass through the clamping group composed of the first sliding positioning column 8 and the first fixed positioning column 4a, the third sliding positioning column 10 and The clamping group composed of the second fixed positioning column 4b clamps the left lower body assembly a, through the clamping group composed of the fourth sliding positioning column 14 and the first fixed positioning column 4a, the fifth sliding positioning column 15 and the second fixed positioning column. The clamping group formed by the positioning column 4b clamps the right lower body assembly b. The rear fork installation sleeve c is inserted into the rear fork sleeve installation positioning rod 11, and the radial lock pin 11a of the rear fork sleeve installation positioning rod 11 slides into the "L"-shaped locking groove 7a to lock, and passes through the rear fork. The shaft sleeve is installed with the positioning sleeve 7 and the shaft sleeve positioning pin positioning post 13 from the left and right ends to clamp the rear fork to install the shaft sleeve c. The lower connecting rod e passes through the left lower body assembly a and the right lower body assembly b, and the right end of the lower connecting rod e is compressed by the lower connecting rod positioning block 16 . One end of the exhaust pipe muffler connecting plate d is sleeved on the left end of the lower connecting rod e, and the other end is sleeved on the second sliding positioning column 9 . The first sliding positioning post 8, the second sliding positioning post 9, and the third sliding positioning post 10 realize the linkage and pressing of the corresponding workpiece through the left quick push clamp 2, and the fourth sliding positioning post 14 and the fifth sliding positioning post 15 pass through the right quick pressing. The push clamp 6 realizes linkage and compresses the corresponding workpiece.

Claims (2)

1. a kind of vehicle frame lower body Combination Welding frock, including bottom plate (1), it is characterised in that：On the bottom plate (1) from left to right according to Secondary quick folder (2), left positioning seat (3), middle positioning seat (4), right positioning seat (5) and the right side of pushing away in a left side that be installed with quickly pushes away folder (6), The back vent axle sleeve for being disposed with fixed installation on the left positioning seat (3) from front to back installs positioning sleeve (7), and activity peace The first of dress slides locating dowel (8), the second slip locating dowel (9) and the 3rd and slides locating dowel (10), and the back vent axle sleeve is installed Back vent axle sleeve is coaxially installed with positioning sleeve (7) locating rod (11) is installed, and first slides locating dowel (8), the second slip positioning The left-hand end of post (9) and the 3rd slip locating dowel (10) shares same left contiguous block (12) and linked with left quick folder (2) level that pushes away It is installed together, the left and right side of the middle positioning seat (4) is respectively arranged with the first stationary positioned post (4a) and the second stationary positioned The axle sleeve alignment pin locating dowel (13) of fixed installation is disposed with post (4b), the right positioning seat (5) from front to back, and The 4th slip locating dowel (14) and the 5th that activity is installed are slided also to be installed with down on locating dowel (15), right positioning seat (5) Connecting rod locating piece (16), and the right-hand end of the 4th slip locating dowel (14) and the 5th slip locating dowel (15) shares same right company Connect block (17) with it is right quick push away folder (6) level and link be installed together；Described first slides locating dowel (8), the first stationary positioned Post (4a) and the 4th slip locating dowel (14) are coaxially disposed, and the 3rd slides locating dowel (10), the second stationary positioned post (4b) and the Five slip locating dowels (15) are coaxially disposed, and back vent axle sleeve is installed positioning sleeve (7) and is coaxially disposed with axle sleeve alignment pin locating dowel (13), Back vent axle sleeve is installed and " L " shape locking short slot (7a) is provided with positioning sleeve (7), and back vent axle sleeve is installed to be provided with locating rod (11) Radial direction lock pin (11a), rotates back vent axle sleeve and installs locating rod (11), and radial direction lock pin (11a) can be slipped into " L " shape locking short slot (7a) internal locking with prevent back vent axle sleeve install locating rod (11) axis movement.

2. vehicle frame lower body Combination Welding frock according to claim 1, it is characterised in that：The middle positioning seat (4) includes The first positioning seat (4c), the second positioning seat (4d) and the 3rd positioning seat (4e) that time interval is set, wherein, the first positioning seat The width of (4c) is more than the second positioning seat (4d), the width of the 3rd positioning seat (4e), and the first stationary positioned post (4a) is arranged on the On two positioning seats (4d), the second stationary positioned post (4b) is arranged on the 3rd positioning seat (4e).