CN210789782U - Auxiliary frame welding tool - Google Patents
Auxiliary frame welding tool Download PDFInfo
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- CN210789782U CN210789782U CN201920872954.XU CN201920872954U CN210789782U CN 210789782 U CN210789782 U CN 210789782U CN 201920872954 U CN201920872954 U CN 201920872954U CN 210789782 U CN210789782 U CN 210789782U
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- auxiliary frame
- fixedly connected
- rotating shaft
- vehicle frame
- welding
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Abstract
The utility model discloses a sub vehicle frame welding frock, including the supporting part, connect in the rotation portion of supporting part, be used for making rotation portion stop rotating's brake portion, rotation portion can 360 rotations, just rotation portion is equipped with the positioning element who is used for fixing a position the sub vehicle frame and is used for pressing from both sides the clamping mechanism who presss from both sides tight sub vehicle frame. This sub vehicle frame welding frock does not need the manual work upset to move the sub vehicle frame to can reduce operating personnel's intensity of labour, improve welding efficiency and operation security, and, this sub vehicle frame welding frock can be turned to the sub vehicle frame to the arbitrary angle of being convenient for to execute the welding, thereby the welding operation of being convenient for just does benefit to and promotes welding quality.
Description
Technical Field
The utility model relates to a sub vehicle frame welding technology field especially relates to a sub vehicle frame welding frock.
Background
Automobile framework workpieces are generally subjected to arc welding at one or more robot workstations, and then the appearance quality of the welding seam is inspected by manual visual inspection. If the arc welding seams are visually inspected to have quality problems such as missing welding, partial welding, insufficient welding and the like, manual repair welding is needed.
During repair welding, the workpiece needs to be turned over and moved frequently by manpower, so that the workpiece is positioned at an angle convenient for welding. For heavy workpieces such as auxiliary frames, great physical force is required for turning and moving the workpieces, and operators are easily injured.
In view of this, how to develop an auxiliary frame welding tool to make the auxiliary frame repair welding operation safe and labor-saving is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sub vehicle frame welding frock, including the supporting part, connect in the rotation portion of supporting part, be used for making rotation portion stall's brake portion, rotation portion can 360 rotations, just rotation portion is equipped with the positioning element who is used for fixing a position the sub vehicle frame and is used for pressing from both sides the clamping mechanism who presss from both sides tight sub vehicle frame.
This sub vehicle frame welding frock does not need the manual work upset to move the sub vehicle frame to can reduce operating personnel's intensity of labour, improve welding efficiency and operation security, and, this sub vehicle frame welding frock can be turned to the sub vehicle frame to the arbitrary angle of being convenient for to execute the welding, thereby the welding operation of being convenient for just does benefit to and promotes welding quality.
As above sub vehicle frame welding frock, the portion of rotating includes the girder and links firmly the first pivot and the second pivot at girder both ends, the supporting part includes first box and second box, first box be equipped with the first end complex first shaft hole of first pivot, the second box be equipped with the first end complex second shaft hole of second pivot.
As above sub vehicle frame welding frock, the portion of rotating still includes that the cross-sectional area is greater than first connection pad, the cross-sectional area of first pivot are greater than second connection pad, the cross-sectional area of second pivot are greater than the first connecting block and the second connecting block of girder, first connection pad with the second connection pad links firmly respectively first pivot with the second end of second pivot, first connecting block with the second connecting block links firmly respectively the both ends of girder, just first connecting block with first connection pad links firmly, the second connecting block with the second connection pad links firmly.
As above sub vehicle frame welding frock, the both sides of girder are equipped with two strutbands respectively, two of every side the strutbeam is followed the length direction interval of girder is arranged, every the one end of strutbeam is equipped with a set of locating component, every group the locating component is including the locating platform that is used for conflicting the lining sleeve terminal surface of sub vehicle frame and the locating pin that is used for stretching into in the lining sleeve of sub vehicle frame.
According to the auxiliary frame welding tool, the clamping mechanism comprises two groups of clamping assemblies which are respectively used for clamping and pressing two longitudinal beams of the auxiliary frame; the clamping assembly comprises a base fixedly connected with the main beam, a clamping arm rotatably connected to the base, an air cylinder driving the clamping arm to rotate and a manual control valve controlling the air cylinder.
According to the auxiliary frame welding tool, the supporting part further comprises two groups of trapezoid supports with small upper parts and large lower parts, and the trapezoid supports are respectively supported below the first box body and the second box body; a stiffening beam is fixedly connected between the lower beams of the two groups of trapezoidal brackets; two sets of ladder support's upper beam all perpendicular to the girder, two sets of ladder support's underbeam downside has all linked firmly the base, the base is equipped with the through-hole that supplies threaded fastener to run through.
As above sub vehicle frame welding frock, the rotation portion still includes the hand wheel, the first end of first pivot stretches out first shaft hole with the hand wheel links firmly together to drive through rotating the hand wheel the rotation portion rotates.
According to the auxiliary frame welding tool, the brake part comprises a ratchet wheel fixedly sleeved on the periphery of the first rotating shaft, a pawl matched with the ratchet wheel, a pedal plate connected with the pawl and a return spring, and the brake part is configured as follows: when the pedal is pressed down, the pawl is withdrawn from the tooth groove of the ratchet wheel, and when the pedal is released, the pawl extends into the tooth groove of the ratchet wheel under the action of the return spring.
The auxiliary frame welding tool further comprises a friction part, wherein the friction part comprises a friction disc and a friction block which are in mutual contact, the friction disc is fixedly connected to the second connecting disc, and the friction block is fixedly connected to the second box body.
The auxiliary frame welding tool further comprises a welding gun containing cylinder fixedly connected to the supporting portion, and the welding gun containing cylinder is provided with a cylindrical cavity used for inserting a welding gun.
Drawings
FIG. 1 is a perspective view of a subframe;
fig. 2 is a front perspective view of the auxiliary frame welding tool according to a specific embodiment of the present invention in an application state;
FIG. 3 is a top view of FIG. 2
Fig. 4 is a perspective view of a partial structure of the subframe welding tool in fig. 2.
The reference numerals in fig. 1 to 4 are explained as follows:
01 longitudinal beam, 02 liner sleeve;
11 a first box body, 12 a second box body, 13 a trapezoidal bracket, 14 a base and 15 a reinforcing beam;
21 main beam, 22 first rotating shaft, 23 second rotating shaft, 24 first connecting disc, 25 second connecting disc, 26 first connecting block, 27 second connecting block, 28 support beam, 29 positioning table, 210 positioning pin and 211 hand wheel;
31 base, 32 clamping arm, 33 manual control valve;
41 ratchet wheel, 42 pawl, 43 pedal, 44 connecting rod;
51 a friction disk;
a welding gun storage cylinder 61 and a horn 62.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 4, fig. 1 is a perspective view of the subframe; fig. 2 is a front perspective view of the auxiliary frame welding tool according to a specific embodiment of the present invention in an application state; FIG. 3 is a top view of FIG. 2; fig. 4 is a perspective view of a partial structure of the subframe welding tool in fig. 2.
As shown in the figure, the auxiliary frame welding tool comprises a supporting portion, a rotating portion connected to the supporting portion, and a brake portion used for enabling the rotating portion to stop rotating, wherein the rotating portion can rotate for 360 degrees, and the rotating portion is provided with a positioning component used for positioning an auxiliary frame and a clamping mechanism used for clamping the auxiliary frame.
Under the applied state, the sub vehicle frame passes through clamping mechanism and locating component and is firmly fixed in the rotation portion, when the rotation portion rotates, the sub vehicle frame rotates thereupon, when the angle of being convenient for to weld the target welding seam is executed in the commentaries on classics, make the rotation portion stop at this angle through the brake portion, then the handheld welder of operating personnel implements the repair welding to this welding seam, after the repair welding has accomplished this welding seam, remove the spacing of brake portion to the rotation portion, then make the rotation portion rotate the angle of being convenient for to weld the next target welding seam, repeat many times like this, it is accomplished all to weld the repair welding to all welding seams.
As above, this sub vehicle frame welding frock does not need the manual work to overturn and moves the sub vehicle frame to can reduce operating personnel's intensity of labour, improve welding efficiency and operation security, and, this sub vehicle frame welding frock can turn to the sub vehicle frame to the arbitrary angle of being convenient for to weld, thereby the welding operation of being convenient for just does benefit to and promotes welding quality.
Specifically, the support portion includes a first case 11 and a second case 12, the first case 11 is provided with a first shaft hole, and the second case 12 is provided with a second shaft hole. The rotating part comprises a main beam 21 and a first rotating shaft 22 and a second rotating shaft 23 which are fixedly connected to two ends of the main beam 21. A first end (left end shown) of the first shaft 22 extends into the first shaft hole, and a first end (right end shown) of the second shaft 23 extends into the second shaft hole. In practical implementation, the diameter of the first shaft hole should be larger than the diameter of the first end of the first rotating shaft 22, and the diameter of the second shaft hole should be larger than the diameter of the first end of the second rotating shaft 23, so that the first rotating shaft 22 can freely rotate in the first shaft hole, and the second rotating shaft 23 can freely rotate in the second shaft hole.
The box is lighter than the block weight of equal volume, makes the bearing capacity of supporting part stronger, and moreover, the box has higher intensity, and in addition, because the box is inside hollow, so the hole wall area that forms in the shaft hole of box is less, therefore can not produce too big frictional resistance to the countershaft. It should be noted that, in the application process, the rotating portion needs to be stopped at the target angular position, too small friction force easily causes the rotating portion to rotate over the target angular position, and too large friction force causes the rotating portion to be difficult to rotate, so the magnitude of the friction force applied to the rotating portion should be reasonably controlled.
Specifically, the support portion further includes two sets of trapezoidal brackets 13 with small top and large bottom, which are respectively supported below the first casing 11 and the second casing 12. And a reinforcing beam 15 is fixedly connected between the lower beams of the two groups of trapezoidal brackets 13. The equal perpendicular to girder 21 of upper beam of two sets of trapezoidal support 13, the underbeam downside of two sets of trapezoidal support 13 has all linked firmly base 14, and base 14 is equipped with the through-hole that supplies threaded fastener to run through, and in the embodiment, the both ends of underbeam respectively are equipped with a base 14, and during the application, base 14 links firmly subaerial or on the frock platform through threaded fastener. The supporting part of the structure has high stability and bearing capacity.
Specifically, the rotating portion further includes a first connecting plate 24 having a cross-sectional area larger than that of the first rotating shaft 22, a second connecting plate 25 having a cross-sectional area larger than that of the second rotating shaft 23, a first connecting block 26 having a cross-sectional area larger than that of the main beam 21, and a second connecting block 27. The first connecting disc 24 is fixedly connected to the second end (right end in the figure) of the first rotating shaft 22, the second connecting disc 25 is fixedly connected to the second end (left end in the figure) of the second rotating shaft 23, the first connecting block 26 and the second connecting block 27 are respectively fixedly connected to two ends of the main beam 21, the first connecting block 26 is fixedly connected with the first connecting disc 24, and the second connecting block 27 is fixedly connected with the second connecting disc 25. Specifically, the fixing manner among the above may be welding, interference fit, integral molding, threaded fastener connection, etc.
Like this, make first pivot 22 link together with girder 21 through the great first connection pad 24 of cross-sectional area and first connecting block 26, make second pivot 23 link together with girder 21 through the great second connection pad 25 of cross-sectional area and second connecting block 27, like this, be convenient for the pivot be connected with girder 21, in addition, connection pad and connecting block can also play the effect of balanced rotation portion, make the rotation of rotation portion more steady.
More specifically, two sides of the main beam 21 are respectively provided with two support beams 28, and four support beams 28 are provided in total, the two support beams 28 on each side are arranged at intervals along the length direction of the main beam 21, one end of each support beam 28 is provided with a set of positioning components, and each set of positioning components comprises a positioning table 29 and a positioning pin 210. In the application state, the four positioning pins 210 respectively extend into the four bushing sleeves 02 of the subframe, and the end faces of the four bushing sleeves 02 of the subframe are respectively supported on the four positioning tables 29. Thus, the sub-frame is firmly fixed to the rotating part under the action of the four sets of positioning components and the clamping mechanism.
Specifically, the clamping mechanism comprises two groups of clamping assemblies which are respectively used for clamping and pressing two longitudinal beams 01 of the auxiliary frame. Each set of clamp assemblies includes a base 31 attached to main beam 21, clamp arms 32 rotatably attached to base 31, cylinders (not visible) driving rotation of clamp arms 32, and manual control valves 33 controlling the cylinders. When the device is used, the direction and the air flow rate of the air flow are changed by operating the manual control valve 33, so that a piston rod of the air cylinder can be driven to extend outwards or contract inwards, and the clamping arm 32 connected with the piston rod is controlled to rotate towards a direction far away from the longitudinal beam 01 or rotate towards a direction close to the longitudinal beam 01. It should be noted that, in order to clamp the subframe effectively, the clamping arms 32 of the clamping mechanism and the positioning table 29 should be located on different sides of the longitudinal beam 01.
Specifically, the rotating portion further includes a hand wheel 211, and the first end of the first rotating shaft 22 extends out of the first shaft hole and is fixedly connected with the hand wheel 211. When in use, the whole rotating part can be rotated by rotating the hand wheel 211.
Specifically, the brake part includes a ratchet wheel 41 fixedly sleeved on the outer periphery of the first rotating shaft 22, a pawl 42 adapted to the ratchet wheel 41, a pedal 43 connected to the pawl 42, and a return spring (not shown in the figure). In specific implementation, the pedal 43 and the pawl 42 are hinged together through a link 44. And, configured to: when the foot pedal 43 is depressed, the pawl 42 retreats from the tooth groove of the ratchet wheel 41, and when the foot pedal 43 is released, the pawl 42 is inserted into the tooth groove of the ratchet wheel 41 by the return spring, that is, when the foot pedal 43 is depressed, the rotating portion can rotate freely, and when the foot pedal 43 is released, the rotating portion cannot rotate. Therefore, when welding operation is carried out, an operator does not need to step on the pedal, and the welding operation is convenient. Of course, the structure of the brake portion is not limited to this, and, for example, a belt brake structure may be provided.
Further, this sub vehicle frame welding frock still is equipped with friction portion, and friction portion includes friction disc 51 and the clutch blocks (not visible in the picture) of mutual contact, and friction disc 51 links firmly in second connection pad 25, and the clutch blocks links firmly in second box 12, and when the rotation portion rotated, friction disc 51 rotated thereupon, and the clutch blocks is fixed motionless, and both looks friction. Like this, can prevent that the frictional force that the rotation portion received from too little leads to rotating the problem of target angle position easily on the one hand, on the other hand can make the both ends atress of frock tend towards the balance, reduces the torsional moment that girder 21 bore.
Further, this sub vehicle frame welding frock still includes the welder storage cylinder 61 that links firmly in the supporting part, and welder storage cylinder 61 is equipped with the cylinder shape chamber that is used for cartridge welder. During application, an operator can insert the welding gun into the cylindrical cavity so as to use the hand to rotate the hand wheel 211. Specifically, the upper end of the welding gun containing cylinder 61 is provided with a horn 62, and the horn 62 can guide the welding gun to be inserted into the cylindrical cavity.
The following specifically explains the application process of the auxiliary frame welding tool:
firstly, the auxiliary frame is hoisted to the corresponding position of the auxiliary frame welding tool by using a pneumatic balance crane or other power assisting devices.
Then, the manual control valve 33 is operated to clamp the arm 32 against the longitudinal beam 01 of the subframe to firmly fix the subframe to the rotating portion, the foot pedal 43 is stepped down by a foot to make the rotating portion in a freely rotatable state, the hand wheel 211 is pulled by a hand to drive the subframe to rotate, when the angle convenient for welding a target weld is visually observed, the hand wheel 211 is stopped to rotate, the foot pedal 43 is released to keep the subframe at the target angle, and then the welding gun is picked up to perform repair welding operation. And repeating the actions until all the welding seams are welded.
Then, the hand wheel 211 is rotated to turn the subframe above the rotating portion, and then the manual control valve 33 is operated to release the clamp arm 32 from the subframe.
The subframe is then lifted off using a pneumatic balance hoist or other assistance device.
To sum up, this sub vehicle frame welding frock has following technological effect:
(1) the auxiliary frame does not need to be turned over manually, so that the labor intensity of operators can be reduced, and the repair welding efficiency and the operation safety can be improved.
(2) Can turn to the arbitrary angle of being convenient for to weld with sub vehicle frame to be convenient for welding operation just does benefit to and promotes welding quality.
(3) The hands and the feet are used cooperatively, so that repair welding operation can be completed by one person;
(4) the manpower drives the rotating part to rotate, so that the power consumption and the manufacturing cost are saved.
It is right above the utility model provides a sub vehicle frame welding frock introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a sub vehicle frame welding frock, its characterized in that, including the supporting part, connect in the rotation portion of supporting part, be used for making rotation portion stop rotating's brake portion, rotation portion can 360 rotate, just rotation portion is equipped with the clamping mechanism who is used for the positioning sub vehicle frame's locating component and is used for pressing from both sides tight sub vehicle frame.
2. The auxiliary frame welding tool according to claim 1, wherein the rotating portion comprises a main beam (21) and a first rotating shaft (22) and a second rotating shaft (23) which are fixedly connected to two ends of the main beam (21), the supporting portion comprises a first box body (11) and a second box body (12), the first box body (11) is provided with a first shaft hole matched with a first end of the first rotating shaft (22), and the second box body (12) is provided with a second shaft hole matched with a first end of the second rotating shaft (23).
3. The auxiliary frame welding tool according to claim 2, wherein the rotating portion further comprises a first connecting disc (24) with a cross-sectional area larger than the first rotating shaft (22), a second connecting disc (25) with a cross-sectional area larger than the second rotating shaft (23), and a first connecting block (26) and a second connecting block (27) with a cross-sectional area larger than the main beam (21), the first connecting disc (24) and the second connecting disc (25) are fixedly connected to the second ends of the first rotating shaft (22) and the second rotating shaft (23) respectively, the first connecting block (26) and the second connecting block (27) are fixedly connected to two ends of the main beam (21) respectively, the first connecting block (26) is fixedly connected to the first connecting disc (24), and the second connecting block (27) is fixedly connected to the second connecting disc (25).
4. The auxiliary frame welding tool according to claim 3, wherein two supporting beams (28) are arranged on two sides of the main beam (21) respectively, the two supporting beams (28) on each side are arranged at intervals along the length direction of the main beam (21), one end of each supporting beam (28) is provided with a group of positioning components, and each group of positioning components comprises a positioning table (29) used for abutting against the end face of a lining sleeve (02) of an auxiliary frame and a positioning pin (210) used for extending into the lining sleeve (02) of the auxiliary frame.
5. The auxiliary frame welding tool according to claim 4, wherein the clamping mechanism comprises two groups of clamping assemblies which are respectively used for clamping and pressing two longitudinal beams (01) of the auxiliary frame; the clamping assembly comprises a base (31) fixedly connected to the main beam (21), a clamping arm (32) rotatably connected to the base (31), an air cylinder driving the clamping arm (32) to rotate and a manual control valve (33) controlling the air cylinder.
6. The auxiliary frame welding tool according to any one of claims 2 to 5, wherein the supporting portion further comprises two groups of trapezoid brackets (13) with small upper parts and large lower parts, and the trapezoid brackets are respectively supported below the first box body (11) and the second box body (12); a reinforcing beam (15) is fixedly connected between the lower beams of the two groups of trapezoidal brackets (13); two sets of the upper beam of trapezoidal support (13) all is perpendicular to girder (21), two sets of the underbeam downside of trapezoidal support (13) has all linked firmly base (14), base (14) are equipped with the through-hole that supplies threaded fastener to run through.
7. The auxiliary frame welding tool according to any one of claims 2 to 5, wherein the rotating portion further comprises a hand wheel (211), and a first end of the first rotating shaft (22) extends out of the first shaft hole and is fixedly connected with the hand wheel (211), so that the rotating portion is driven to rotate by rotating the hand wheel (211).
8. The auxiliary frame welding tool according to claim 7, wherein the brake part comprises a ratchet wheel (41) fixedly sleeved on the periphery of the first rotating shaft (22), a pawl (42) matched with the ratchet wheel (41), a pedal (43) connected with the pawl (42) and a return spring, and is configured to: when the pedal (43) is pressed down, the pawl (42) is withdrawn from the tooth socket of the ratchet wheel (41), and when the pedal (43) is released, the pawl (42) extends into the tooth socket of the ratchet wheel (41) under the action of the return spring.
9. The auxiliary frame welding tool according to any one of claims 3 to 5, further comprising a friction portion, wherein the friction portion comprises a friction disc (51) and a friction block which are in contact with each other, the friction disc (51) is fixedly connected to the second connecting disc (25), and the friction block is fixedly connected to the second box body (12).
10. The auxiliary frame welding tool according to any one of claims 2-5, further comprising a welding gun receiver (61) fixedly connected to the supporting portion, wherein the welding gun receiver (61) has a cylindrical cavity for inserting a welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872954.XU CN210789782U (en) | 2019-06-11 | 2019-06-11 | Auxiliary frame welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872954.XU CN210789782U (en) | 2019-06-11 | 2019-06-11 | Auxiliary frame welding tool |
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| Publication Number | Publication Date |
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| CN210789782U true CN210789782U (en) | 2020-06-19 |
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| CN201920872954.XU Active CN210789782U (en) | 2019-06-11 | 2019-06-11 | Auxiliary frame welding tool |
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| CN (1) | CN210789782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202306A (en) * | 2019-06-11 | 2019-09-06 | 广西汽车集团有限公司 | A kind of subframe welding tooling |
-
2019
- 2019-06-11 CN CN201920872954.XU patent/CN210789782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202306A (en) * | 2019-06-11 | 2019-09-06 | 广西汽车集团有限公司 | A kind of subframe welding tooling |
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