CN117340528B - Be used for car sub vehicle frame welding assembly jig - Google Patents
Be used for car sub vehicle frame welding assembly jig Download PDFInfo
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- CN117340528B CN117340528B CN202311647906.8A CN202311647906A CN117340528B CN 117340528 B CN117340528 B CN 117340528B CN 202311647906 A CN202311647906 A CN 202311647906A CN 117340528 B CN117340528 B CN 117340528B
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- 238000003466 welding Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 238000003825 pressing Methods 0.000 claims abstract description 80
- 238000013016 damping Methods 0.000 claims description 31
- 230000000670 limiting effect Effects 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention relates to the field of automobile part production, and discloses a welding assembly fixture for an automobile auxiliary frame, which comprises a support plate and a plurality of adjustable clamping mechanisms; the adjustable clamping mechanism comprises an adjustable supporting mechanism, a bottom supporting mechanism, a rotary adjusting mechanism and a self-adjusting press covering mechanism; the self-adjusting pressing and covering mechanism comprises a telescopic protection component, a pressing and covering component, a second hydraulic cylinder, a self-adaptive angle adjusting component and an elastic pressing component; according to the invention, the self-adjusting pressing mechanism is additionally arranged, and the pressing component in the self-adjusting pressing mechanism can be automatically adjusted in the opening and closing process of the clamp type clamp, so that the pressing component can always keep a state vertical to a horizontal plane, and can be adjusted according to actual parameters of the auxiliary frame, so that the pressing component can apply vertical pressure to the auxiliary frame from the vertical direction in the states of different opening and closing degrees, and the self-adjusting pressing mechanism can form folded angle states of different shapes from a straight line state, thereby being suitable for the auxiliary frame welding process of different parameters.
Description
Technical Field
The invention relates to the field of automobile part production, in particular to a welding assembly fixture for an automobile auxiliary frame.
Background
The auxiliary frame is a framework of the front and rear axles and is a component part of the front and rear axles. The auxiliary frame is not a complete frame, but is a bracket for supporting the front and rear axles and the suspension, so that the axles and the suspension are connected with a positive frame through the bracket, and is conventionally called an auxiliary frame, and the auxiliary frame is also divided into a front auxiliary frame and a rear auxiliary frame. The sub-frame functions to block vibration and noise.
The auxiliary frame is welded after being assembled by a plurality of metal beam parts, in the welding process, a plurality of clamps are required to carry out limit clamping on each part in order to improve the welding precision, but the clamps which are common at present are only suitable for auxiliary frames with one design parameter, wherein the clamp type clamps are common, but the opening and closing stroke of the clamp type clamps is fixed, the clamp structure is also fixed, and the corresponding auxiliary frames can be clamped, so that one welding production line can only produce auxiliary frames with the same parameter, the auxiliary frames with different parameters cannot be produced at the same time, the clamps are required to be redesigned, the replacement is carried out, and the auxiliary frame is complex and high in production cost.
Disclosure of Invention
The invention aims to solve the problems and provide a welding assembly fixture for an automobile auxiliary frame.
The invention provides a welding assembly fixture for an automobile auxiliary frame, which comprises a support plate and a plurality of adjustable clamping mechanisms detachably connected to the support plate, wherein the adjustable clamping mechanisms are arranged on the support plate;
the adjustable clamping mechanism comprises an adjustable supporting mechanism, a bottom supporting mechanism detachably connected to the adjustable supporting mechanism, a rotary adjusting mechanism hinged to the adjustable supporting mechanism and a self-adjusting pressing mechanism connected to the rotary adjusting mechanism, wherein the rotary adjusting mechanism is used for driving the self-adjusting pressing mechanism to rotate around the hinge joint of the rotary adjusting mechanism and the adjustable supporting mechanism by a set angle;
the self-adjusting pressing mechanism comprises a telescopic protection component connected to the rotary type adjusting mechanism, a pressing component connected to the outer wall of the lower end of the telescopic protection component, a second hydraulic cylinder connected to the inner wall of the upper end of the telescopic protection component, a self-adaptive angle adjusting component connected to one end of the second hydraulic cylinder and an elastic pressing component connected to one end of the self-adaptive angle adjusting component, wherein the other end of the elastic pressing component is connected with the inner wall of the lower end of the telescopic protection component, the self-adaptive angle adjusting component is used for adjusting an included angle between the second hydraulic cylinder and the elastic pressing component, and when the rotary type adjusting mechanism drives the self-adjusting pressing mechanism to rotate around the hinge of the rotary type adjusting mechanism and the adjustable supporting mechanism, the elastic pressing component and the pressing component are always vertically distributed with a horizontal plane.
As a further optimization scheme of the invention, the adjustable supporting mechanism comprises a sliding rail, a sliding groove arranged on the sliding rail, a sliding block in the sliding groove in a sliding way, an integrated motor fixedly connected on the sliding rail, a screw rod movably connected to the output shaft end of the integrated motor and a mounting bracket connected to the sliding block, wherein the sliding rail is detachably connected to the supporting plate, and the screw rod is in threaded connection with the sliding block.
As a further refinement of the invention, the bottom support comprises a connecting piece, a first cylinder connected to the connecting piece and a bottom support block connected to the output end of the first cylinder, the connecting piece being detachably connected to the mounting bracket.
As a further optimization scheme of the invention, the rotary adjusting mechanism comprises a first hydraulic cylinder and a hinge bracket, wherein the first hydraulic cylinder and the hinge bracket are hinged with the mounting bracket, the output end of the first hydraulic cylinder is hinged with the hinge bracket, the first hydraulic cylinder is used for driving the hinge bracket to rotate around the hinge position of the hinge bracket and the mounting bracket by a set angle, and the telescopic protection assembly is connected to the hinge bracket.
As a further optimized scheme of the invention, the telescopic protection assembly comprises a first connecting plate, a flexible corrugated pipe connected to the first connecting plate and a second connecting plate connected to one end of the flexible corrugated pipe, and the first connecting plate is detachably connected with the hinge frame.
As a further optimization scheme of the invention, the press-cover assembly comprises a balancing weight, a pressing block connected to the balancing weight and a cushion layer connected to the pressing block, wherein the balancing weight is fixedly connected to a second connecting plate, and the second hydraulic cylinder is fixedly connected to the first connecting plate.
As a further optimization scheme of the invention, the self-adaptive angle adjusting assembly comprises a T-shaped connecting frame, a U-shaped connecting frame coaxially arranged with the T-shaped connecting frame, two first damping turntables symmetrically connected to the T-shaped connecting frame, limiting pieces connected to the first damping turntables and a torque adjusting assembly arranged on the T-shaped connecting frame, wherein the two limiting pieces are detachably connected with the U-shaped connecting frame.
As a further optimization scheme of the invention, the torque adjusting component comprises a cavity arranged in the T-shaped connecting frame, a fixed plate connected to the inner wall of the cavity, a square sliding rod connected to the fixed plate in a sliding manner, a first wedge block and a pressing plate connected to two ends of the square sliding rod respectively, an elastic telescopic rod connected to the pressing plate, a second damping turntable connected to one end of the elastic telescopic rod, a first air cylinder connected between the pressing plate and the second damping turntable and connected to the T-shaped connecting frame through a first spring, a second wedge block connected to the output end of the second air cylinder, and a spiral air pipe connected to the input end of the second air cylinder, wherein one end of the spiral air pipe penetrates through the first connecting plate and is connected with an external air source, and when the second wedge block moves towards the first wedge block, the second wedge block drives the first damping turntable arranged correspondingly towards the first wedge block, and the second damping turntable is contacted with the first damping turntable.
As a further optimization scheme of the invention, the elastic pressing assembly comprises a pressure sensor, a second spring connected to the pressure sensor, a third connecting plate connected to one end of the second spring and a multi-section telescopic rod connected to the middle of the third connecting plate, wherein the pressure sensor is connected to the second connecting plate, the other end of the multi-section telescopic rod is fixedly connected with the second connecting plate, and the third connecting plate is connected with the U-shaped connecting frame.
The invention has the beneficial effects that: the invention improves the clamp, and adds the self-adjusting press-cover mechanism, the press-cover assembly in the self-adjusting press-cover mechanism can be automatically adjusted in the opening and closing process of the clamp, so that the press-cover assembly can always keep a state vertical to a horizontal plane, and can be adjusted according to actual parameters of the auxiliary frame, so that the press-cover assembly can apply vertical pressure to the auxiliary frame from the vertical direction in states with different opening and closing degrees, and the self-adjusting press-cover mechanism can form folded angle states with different shapes from a straight line state, thereby being suitable for the auxiliary frame welding process with different parameters.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an adjustable clamping mechanism according to the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the self-adjusting pressure test covering mechanism of the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 4;
fig. 6 is a schematic structural view of the adaptive angle adjustment assembly of the present invention.
In the figure: 1. a support plate; 2. an adjustable clamping mechanism; 201. a slide rail; 202. a chute; 203. a screw; 204. a slide block; 205. a mounting bracket; 206. a connecting piece; 207. a first cylinder; 208. a bottom support block; 209. a first hydraulic cylinder; 210. a hinge bracket; 3. self-adjusting press-covering mechanism; 31. a telescoping shield assembly; 3101. a first connection plate; 3102. a flexible bellows; 3103. a second connecting plate; 32. a press-coating assembly; 3201. balancing weight; 3202. briquetting; 3203. a cushion layer; 33. a second hydraulic cylinder; 34. an adaptive angle adjustment assembly; 3401. a T-shaped connecting frame; 3402. a U-shaped connecting frame; 3403. a second cylinder; 3404. a limiting piece; 3405. a first damping turntable; 3406. a cavity; 3407. a fixing plate; 3408. square slide bar; 3409. a first wedge; 3410. a pressing plate; 3411. an elastic telescopic rod; 3412. a first spring; 3413. a second damping turntable; 3414. a second wedge; 3415. a spiral air pipe; 3501. a pressure sensor; 3502. a second spring; 3503. a third connecting plate; 36. a multi-section telescopic rod.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thereby practice the subject matter described herein. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1-6, an assembly fixture for welding an automobile auxiliary frame comprises a support plate 1 and a plurality of adjustable clamping mechanisms 2 detachably connected to the support plate 1;
the adjustable clamping mechanism 2 comprises an adjustable supporting mechanism, a bottom supporting mechanism detachably connected to the adjustable supporting mechanism, a rotary adjusting mechanism hinged to the adjustable supporting mechanism and a self-adjusting press-covering mechanism 3 connected to the rotary adjusting mechanism, wherein the rotary adjusting mechanism is used for driving the self-adjusting press-covering mechanism 3 to rotate around the hinge joint of the rotary adjusting mechanism and the adjustable supporting mechanism by a set angle;
the self-adjusting pressing mechanism 3 comprises a telescopic protection component 31 connected to the rotary type adjusting mechanism, a pressing component 32 connected to the outer wall of the lower end of the telescopic protection component 31, a second hydraulic cylinder 33 connected to the inner wall of the upper end of the telescopic protection component 31, an adaptive angle adjusting component 34 connected to one end of the second hydraulic cylinder 33 and an elastic pressing component connected to one end of the adaptive angle adjusting component 34, the other end of the elastic pressing component is connected to the inner wall of the lower end of the telescopic protection component 31, the adaptive angle adjusting component 34 is used for adjusting an included angle between the second hydraulic cylinder 33 and the elastic pressing component, and when the rotary type adjusting mechanism drives the self-adjusting pressing mechanism 3 to rotate around the hinge of the rotary type adjusting mechanism and the adjustable supporting mechanism, the elastic pressing component and the pressing component 32 are always distributed vertically to the horizontal plane.
It should be noted that, when each part of the auxiliary frame is clamped in a limiting manner, the adjustable supporting mechanism is connected to the set position on the supporting plate 1 according to the design of the clamping position of each part, then the rotating adjusting mechanism drives the self-adjusting pressing mechanism 3 to rotate around the hinge of the rotating adjusting mechanism and the adjustable supporting mechanism by a set angle, so that the self-adjusting pressing mechanism 3 is separated from the bottom supporting mechanism, the parts of the corresponding auxiliary frame are placed on the bottom supporting mechanism by a manipulator, then the rotating adjusting mechanism drives the self-adjusting pressing mechanism 3 to rotate, at this time, the self-adjusting angle adjusting mechanism adjusts the pressing component 32 and the elastic pressing component to be in a vertical state with respect to the horizontal plane all the time in the process of following the rotation of the rotating adjusting mechanism until the pressing component 32 contacts with the auxiliary frame part, at this time, the moving path of the pressing component 32 is blocked, the rotating adjusting mechanism continuously rotates, the second hydraulic cylinder 33 continuously follows the rotating adjusting mechanism, the included angle between the second hydraulic cylinder 33 and the elastic component continuously changes, but the elastic component is always kept to be vertical to the horizontal plane, the second hydraulic cylinder 33 is applied to the corresponding angle adjusting component, and the pressing component is applied to the corresponding pressing component is not in a coaxial state, namely, when the pressing component is applied to the corresponding pressing component is not in a corresponding state, and the corresponding pressing component is not in contact with the bottom supporting state, and the auxiliary frame 32, and the pressing component is deformed, when the corresponding to the pressing component is not in the corresponding to the corresponding state, and the pressing component is applied to the bottom adjusting component, and the corresponding to the pressing component is gradually, when the pressing component is in the corresponding to the pressing component is in the bottom supporting component is in the state and the state, at this time, the position of the folding point of the self-adaptive angle adjusting component 34 is adjusted by the second hydraulic cylinder 33, so that the press cover component 32 is coaxial with the bottom supporting mechanism in a state of keeping the vertical horizontal plane, and the self-adjusting press cover mechanism 3 can be suitable for limiting and clamping auxiliary frames with different parameters.
The adjustable supporting mechanism comprises a sliding rail 201, a sliding groove 202 arranged on the sliding rail 201, a sliding block 204 in the sliding groove 202 in a sliding manner, an integrated motor fixedly connected to the sliding rail 201, a screw 203 movably connected to the output shaft end of the integrated motor, and a mounting bracket 205 connected to the sliding block 204, wherein the sliding rail 201 is detachably connected to the supporting plate 1, and the screw 203 is in threaded connection with the sliding block 204.
It should be noted that, as described above, in the welding process, the self-adjusting press-covering mechanism 3 and the bottom supporting mechanism carry out limit clamping on the corresponding parts of the subframe, so that the area covered by the self-adjusting press-covering mechanism 3 cannot be welded or is difficult to weld, a special welding path or welding equipment needs to be designed to weld, in order to reduce the cost and improve the welding precision, after the non-shielding area of the subframe is welded, the positions of the corresponding bottom supporting mechanism, the rotating type adjusting mechanism and the self-adjusting press-covering mechanism 3 can be sequentially adjusted, so that the previously covered area is revealed, the welding equipment is convenient to weld the area, during adjustment, the self-adjusting press-covering mechanism 3 and the bottom supporting mechanism are not limited and clamped on the subframe any more under the driving of the rotating type adjusting mechanism, the bottom supporting mechanism is retracted, and then the screw 203 is driven to rotate by the integrated motor, and the slider 204 and the mounting bracket 205 are driven to move when the screw 203 rotates, in the same direction and same distance as the mounting bracket 205 is driven by the bottom supporting mechanism, the rotating type adjusting mechanism and the self-adjusting press-covering mechanism 3, after the area is revealed and is reset, all the clamping mechanisms can be clamped until all the clamping areas can be clamped and clamped by 2 are completed.
The bottom supporting mechanism comprises a connecting piece 206, a first air cylinder 207 connected to the connecting piece 206, and a bottom supporting block 208 connected to the output end of the first air cylinder 207, wherein the connecting piece 206 is detachably connected to the mounting bracket 205.
As described above, the sub-frame is supported by the bottom support block 208 in the bottom support mechanism, and the height of the bottom support block 208 can be adjusted by the first cylinder 207.
The rotary adjusting mechanism comprises a first hydraulic cylinder 209 and an articulated frame 210, the first hydraulic cylinder 209 and the articulated frame 210 are both articulated with the mounting bracket 205, the output end of the first hydraulic cylinder 209 is articulated with the articulated frame 210, the first hydraulic cylinder 209 is used for driving the articulated frame 210 to rotate around the articulated position of the articulated frame 210 and the mounting bracket 205 by a set angle, and the telescopic protection assembly 31 is connected to the articulated frame 210.
It should be noted that, when the self-adjusting pressing mechanism 3 is driven to move by the rotary adjusting mechanism, the piston rod of the first hydraulic cylinder 209 is adjusted to have a stroke, and when the piston rod extends, the hinge bracket 210 is driven to rotate around an axis where the hinge bracket is hinged to the mounting bracket 205, and the rotation direction faces the bottom supporting block 208, and the process is in a closed state, that is, in a limiting and clamping process, and otherwise is in an open state.
The telescopic protection assembly 31 comprises a first connecting plate 3101, a flexible corrugated tube 3102 connected to the first connecting plate 3101, and a second connecting plate 3103 connected to one end of the flexible corrugated tube 3102, wherein the first connecting plate 3101 is detachably connected with the hinge frame 210;
the pressing assembly 32 includes a weight 3201, a pressing block 3202 connected to the weight 3201, and a cushion layer 3203 connected to the pressing block 3202, wherein the weight 3201 is fixedly connected to the second connecting plate 3103, and the second hydraulic cylinder 33 is fixedly connected to the first connecting plate 3101.
As described above, when the adaptive angle adjusting assembly 34 adjusts the press-cover assembly 32 to always keep a vertical state with respect to the horizontal plane, the adaptive angle adjusting assembly 34 does not apply a limiting torque to the second connecting plate 3103 and the counterweight 3201, and at this time, the counterweight 3201 always keeps a vertical state with respect to the horizontal plane under the action of self-gravity, and the flexible bellows 3102 is also in a folded state.
The self-adaptive angle adjusting assembly 34 comprises a T-shaped connecting frame 3401, a U-shaped connecting frame 3402 coaxially arranged with the T-shaped connecting frame 3401, two first damping turntables 3405 symmetrically connected to the T-shaped connecting frame 3401, limiting pieces 3404 connected to the first damping turntables 3405, and a torque adjusting assembly arranged on the T-shaped connecting frame 3401, wherein the two limiting pieces 3404 are detachably connected with the U-shaped connecting frame 3402;
the torque adjusting assembly comprises a cavity 3406 arranged in the T-shaped connecting frame 3401, a fixed plate 3407 connected to the inner wall of the cavity 3406, square sliding rods 3408 connected to the fixed plate 3407 in a sliding manner, a first wedge 3409 and a pressing plate 3410 respectively connected to two ends of the square sliding rods 3408, an elastic telescopic rod 3411 connected to the pressing plate 3410, a second damping turntable 3413 connected to one end of the elastic telescopic rod 3411, a second cylinder 3403 connected to the T-shaped connecting frame 3401 and a first spring 3412 connected between the pressing plate 3410 and the second damping turntable 3413, a second wedge 3414 connected to the output end of the second cylinder 3403, and a spiral air pipe 3415 connected to the input end of the second cylinder 3403, wherein one end of the spiral air pipe 3415 penetrates through the first connecting plate 3101 and is connected with an external air source, and when the second wedge 3414 moves towards the first plate 3409, the first wedge 3409 is driven to move towards the corresponding first damping turntable 3405, and the second damping turntable 3413 contacts with the first damping turntable 3405.
It should be noted that, as described above, when the adaptive angle adjusting component 34 adjusts the included angle between the second hydraulic cylinder 33 and the elastic pressing component, the second air cylinder 3403 retracts the second wedge 3414, the pressing action of the second wedge 3414 on the two first wedges 3409 is eliminated, at this time, the first spring 3412 is not pressed by the pressing plate 3410 any more and returns, and pushes the pressing plate 3410 to move towards the fixed plate 3407 until the pressing plate 3410 contacts with the fixed plate 3407, at this time, the pressure applied by the first spring 3412 on the second damping turntable 3413 decreases, at this time, the friction torque between the first damping turntable 3405 and the second damping turntable 3413 decreases, at this time, the U-shaped connecting frame 3402 starts to rotate around the central axis of the first damping turntable 3405 under the action of gravity of the balancing weight 3201, and keeps the state perpendicular to the horizontal plane all the time, after the elastic pressing component is pressed by the pressing plate 3410 and generates corresponding pressure on the subframe, the second air cylinder 3403 pushes the second wedge 3414 towards the first wedges 3409 again, and generates a high-level force on the first wedge 3405, at this time, the friction torque applied between the first damping turntable 3405 and the first damping turntable 3405 increases, and the friction torque between the first damping turntable 3405 is stable, and the first damping turntable 3401 increases, and the friction torque is stable, and the first damping turntable 3405 is in a state, and the high.
The elastic pressing assembly comprises a pressure sensor 3501, a second spring 3502 connected to the pressure sensor 3501, a third connecting plate 3503 connected to one end of the second spring 3502, and a multi-section telescopic rod 36 connected to the middle of the third connecting plate 3503, wherein the pressure sensor 3501 is connected to the second connecting plate 3103, the other end of the multi-section telescopic rod 36 is fixedly connected with the second connecting plate 3103, and the third connecting plate 3503 is connected with the U-shaped connecting frame 3402.
It should be noted that, after the travel of the pressing block 3202 and the balancing block 3201 is blocked, after the T-shaped connecting frame 3401 is stressed, the component force of the component force along the vertical direction is transferred to the U-shaped connecting frame 3402 and is transferred to the third connecting plate 3503, the third connecting plate 3503 moves towards the balancing block 3201 after being stressed and extrudes the second spring 3502, the second spring 3502 deforms after being pressed and generates corresponding elastic force, the balancing block 3201 is pressed, and the pressure with a set value can be applied to the auxiliary frame by matching with the self gravity of the balancing block 3201, so that a stable limiting effect is formed.
The present embodiment has been described above, but the present embodiment is not limited to the above-described specific embodiment, which is merely illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art in light of the present embodiment, which fall within the protection of the present embodiment.
Claims (8)
1. The welding assembly fixture for the auxiliary frame of the automobile is characterized by comprising a support plate (1) and a plurality of adjustable clamping mechanisms (2) detachably connected to the support plate (1);
the adjustable clamping mechanism (2) comprises an adjustable supporting mechanism, a bottom supporting mechanism detachably connected to the adjustable supporting mechanism, a rotary adjusting mechanism hinged to the adjustable supporting mechanism and a self-adjusting press covering mechanism (3) connected to the rotary adjusting mechanism, wherein the rotary adjusting mechanism is used for driving the self-adjusting press covering mechanism (3) to rotate around the hinge joint of the rotary adjusting mechanism and the adjustable supporting mechanism by a set angle;
the self-adjusting pressing mechanism (3) comprises a telescopic protection component (31) connected to the rotary type adjusting mechanism, a pressing component (32) connected to the outer wall of the lower end of the telescopic protection component (31), a second hydraulic cylinder (33) connected to the inner wall of the upper end of the telescopic protection component (31), an adaptive angle adjusting component (34) connected to one end of the second hydraulic cylinder (33) and an elastic pressing component connected to one end of the adaptive angle adjusting component (34), the other end of the elastic pressing component is connected with the inner wall of the lower end of the telescopic protection component (31), the adaptive angle adjusting component (34) is used for adjusting an included angle between the second hydraulic cylinder (33) and the elastic pressing component, and when the rotary type adjusting mechanism drives the self-adjusting pressing mechanism (3) to rotate around the hinging position of the rotary type adjusting mechanism and the adjustable supporting mechanism, the elastic pressing component and the pressing component (32) are always distributed vertically with a horizontal plane;
the self-adaptive angle adjusting assembly (34) comprises a T-shaped connecting frame (3401), a U-shaped connecting frame (3402) coaxially arranged with the T-shaped connecting frame (3401), two first damping turntables (3405) symmetrically connected to the T-shaped connecting frame (3401), limiting pieces (3404) connected to the first damping turntables (3405) and a torque adjusting assembly arranged on the T-shaped connecting frame (3401), wherein the two limiting pieces (3404) are detachably connected with the U-shaped connecting frame (3402);
the torque adjusting assembly comprises a cavity (3406) arranged in the T-shaped connecting frame (3401), a fixed plate (3407) connected to the inner wall of the cavity (3406), square sliding rods (3408) connected to the fixed plate (3407) in a sliding mode, a first wedge block (3409) and a pressing plate (3410) respectively connected to two ends of the square sliding rods (3408), an elastic telescopic rod (3411) connected to the pressing plate (3410), a second damping turntable (3413) connected to one end of the elastic telescopic rod (3411), a second cylinder (3403) connected to the T-shaped connecting frame (3401) through a first spring (3412) connected between the pressing plate (3410) and the second damping turntable (3413), a second wedge block (3414) connected to the output end of the second cylinder (3403) and a spiral air pipe (3415) connected to the input end of the second cylinder (3403), when the second wedge block (3414) moves towards the first wedge block (3409), the second wedge block (3414) is driven to move towards the first damping turntable (3415) correspondingly to the first damping turntable (3405).
2. The welding assembly fixture for the auxiliary frame of the automobile according to claim 1, wherein the adjustable supporting mechanism comprises a sliding rail (201), a sliding groove (202) arranged on the sliding rail (201), a sliding block (204) slidingly connected in the sliding groove (202), an integrated motor fixedly connected on the sliding rail (201), a screw (203) movably connected to the output shaft end of the integrated motor and a mounting bracket (205) connected to the sliding block (204), the sliding rail (201) is detachably connected to the supporting plate (1), and the screw (203) is in threaded connection with the sliding block (204).
3. The welding assembly jig for an automotive subframe according to claim 2, wherein the bottom support mechanism comprises a connecting member (206), a first cylinder (207) connected to the connecting member (206), and a bottom support block (208) connected to an output end of the first cylinder (207), the connecting member (206) being detachably connected to the mounting bracket (205).
4. A welding assembly jig for an automotive subframe according to claim 3, wherein the rotary adjusting mechanism comprises a first hydraulic cylinder (209) and a hinge bracket (210), the first hydraulic cylinder (209) and the hinge bracket (210) are hinged with the mounting bracket (205), the output end of the first hydraulic cylinder (209) is hinged with the hinge bracket (210), the first hydraulic cylinder (209) is used for driving the hinge bracket (210) to rotate around the hinge position of the hinge bracket (210) and the mounting bracket (205) by a set angle, and the telescopic protection assembly (31) is connected to the hinge bracket (210).
5. The welding assembly jig for an automotive subframe according to claim 4, wherein the telescopic guard assembly (31) comprises a first connection plate (3101), a flexible bellows (3102) connected to the first connection plate (3101), and a second connection plate (3103) connected to one end of the flexible bellows (3102), the first connection plate (3101) being detachably connected to the hinge bracket (210).
6. The welding assembly fixture for an automotive subframe according to claim 5, wherein the press-on assembly (32) comprises a weight (3201), a press block (3202) connected to the weight (3201), and a cushion layer (3203) connected to the press block (3202), the weight (3201) is fixedly connected to a second connecting plate (3103), and the second hydraulic cylinder (33) is fixedly connected to the first connecting plate (3101).
7. The welding assembly fixture for automobile sub-frames according to claim 6, wherein one end of the spiral air pipe (3415) penetrates through the first connecting plate (3101) and is connected with an external air source.
8. The welding assembly fixture for the auxiliary frame of the automobile according to claim 7, wherein the elastic pressing assembly comprises a pressure sensor (3501), a second spring (3502) connected to the pressure sensor (3501), a third connecting plate (3503) connected to one end of the second spring (3502), and a multi-section telescopic rod (36) connected to the middle position of the third connecting plate (3503), the pressure sensor (3501) is connected to the second connecting plate (3103), the other end of the multi-section telescopic rod (36) is fixedly connected to the second connecting plate (3103), and the third connecting plate (3503) is connected to the U-shaped connecting frame (3402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311647906.8A CN117340528B (en) | 2023-12-05 | 2023-12-05 | Be used for car sub vehicle frame welding assembly jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311647906.8A CN117340528B (en) | 2023-12-05 | 2023-12-05 | Be used for car sub vehicle frame welding assembly jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117340528A CN117340528A (en) | 2024-01-05 |
| CN117340528B true CN117340528B (en) | 2024-02-13 |
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| CN202311647906.8A Active CN117340528B (en) | 2023-12-05 | 2023-12-05 | Be used for car sub vehicle frame welding assembly jig |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119016983B (en) * | 2024-09-04 | 2025-04-22 | 东莞市众兴模具有限公司 | New forms of energy frame welding position mould |
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| CN206200451U (en) * | 2016-11-23 | 2017-05-31 | 安徽成飞集成瑞鹄汽车模具有限公司 | Automobile rear sub-frame reinforcing plate assembly welding clamp |
| CN107584238A (en) * | 2017-10-10 | 2018-01-16 | 合肥常青机械股份有限公司 | A kind of adaptive clamping device of fore sub frame plate |
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| CN214923801U (en) * | 2021-06-25 | 2021-11-30 | 武汉昌合泰克精密技术有限公司 | Top plate rotating and positioning clamp |
| CN214980392U (en) * | 2020-12-29 | 2021-12-03 | 宁波建新底盘系统有限公司 | Auxiliary frame three-coordinate flexible clamp |
| KR102350160B1 (en) * | 2021-07-09 | 2022-01-12 | (주)신화웰텍 | Flash butt welding device for dissimilar reinforcing bars with excellent thermal insulation and dissimilar rebars with excellent thermal insulation properties |
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| CN204248308U (en) * | 2014-11-24 | 2015-04-08 | 重庆山朕科技发展有限公司 | A kind of fixture for auto panel |
| CN204487054U (en) * | 2014-12-29 | 2015-07-22 | 塔奥（芜湖）汽车制品有限公司 | A kind of detent mechanism of auxiliary frame suspension device stay tube |
| CN206200451U (en) * | 2016-11-23 | 2017-05-31 | 安徽成飞集成瑞鹄汽车模具有限公司 | Automobile rear sub-frame reinforcing plate assembly welding clamp |
| CN107584238A (en) * | 2017-10-10 | 2018-01-16 | 合肥常青机械股份有限公司 | A kind of adaptive clamping device of fore sub frame plate |
| CN107900595A (en) * | 2017-12-28 | 2018-04-13 | 长沙长泰机器人有限公司 | Engine support sleeve weld positioning fixture |
| CN214980392U (en) * | 2020-12-29 | 2021-12-03 | 宁波建新底盘系统有限公司 | Auxiliary frame three-coordinate flexible clamp |
| CN214923801U (en) * | 2021-06-25 | 2021-11-30 | 武汉昌合泰克精密技术有限公司 | Top plate rotating and positioning clamp |
| KR102350160B1 (en) * | 2021-07-09 | 2022-01-12 | (주)신화웰텍 | Flash butt welding device for dissimilar reinforcing bars with excellent thermal insulation and dissimilar rebars with excellent thermal insulation properties |
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| CN117340528A (en) | 2024-01-05 |
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