CN211331944U - Electric vehicle frame welding fixture - Google Patents
Electric vehicle frame welding fixture Download PDFInfo
- Publication number
- CN211331944U CN211331944U CN201921839533.3U CN201921839533U CN211331944U CN 211331944 U CN211331944 U CN 211331944U CN 201921839533 U CN201921839533 U CN 201921839533U CN 211331944 U CN211331944 U CN 211331944U
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- frame
- reference hole
- boss
- fixing
- guide rod
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Abstract
The utility model discloses an electric vehicle frame welding fixture, wherein a bottom plate is provided with bosses which are arranged oppositely left and right, a headstock tube fixing mechanism for fixing a headstock is arranged on the left boss, and a tailstock fixing mechanism which is arranged oppositely left and right is arranged on the right boss; a pair of reference hole fixing mechanisms used for fixing the frame are arranged between the left boss and the right boss which are opposite, and a bearing platform used for matching with the reference hole fixing mechanisms to fix lug holes on a cross rod of a rear fork of the frame is arranged between the reference hole fixing mechanisms. The welding fixture for the frame of the electric vehicle can fix the frame in a multi-angle and all-around manner, so that the stability of fixing the frame is improved, and the qualification rate of frame welding is improved; meanwhile, the clamp is fixed in an air pressure mode, so that the working efficiency can be improved, and meanwhile, the frame can be fixed more stably.
Description
Technical Field
The utility model relates to an electric motor car frock relates to an electric motor car frame welding jig.
Background
The electric vehicle comprises a bearing system, an energy system, a driving system, a braking system, a running system and the like, wherein the bearing system comprises a frame of the electric vehicle, the frame of the electric vehicle is one of core components of the electric vehicle, supports the weight of a vehicle body, a rider and all cargos and plays an important safety role. The frame structure of the electric vehicle is very complex, a space three-dimensional structure is formed by welding a plurality of metal pipes, and a plurality of functional lugs and metal plates are welded according to the actual installation requirement. The electric vehicle frame is almost formed by welding, and thus these welding jigs are integrated into one jig plate for the welding.
Electric motor car frame welding jig is when the location benchmark hole, with in the journal stirrup on the frame back vent horizontal pole is embedded into the benchmark hole locating pin, though in the benchmark hole locating pin is embedded into the journal stirrup, the opposite side of journal stirrup is in the unrestrained state, consequently when processing electric motor car frame, the journal stirrup can produce slight rocking on the benchmark hole locating pin, causes the welding to produce the error, the product percent of pass is not high.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing an electric motor car frame welding jig, this anchor clamps optimize the structure, improved the welding qualification rate.
The technical scheme is as follows: the utility model discloses an electric vehicle frame welding jig, the bottom plate is provided with the boss that is arranged oppositely from side to side, the left boss is provided with the headstock pipe fixing mechanism for fixing the headstock, and the right boss is provided with the tailstock fixing mechanism that is arranged oppositely from side to side; a pair of reference hole fixing mechanisms used for fixing the frame are arranged between the left boss and the right boss which are opposite, and a bearing platform used for matching with the reference hole fixing mechanisms to fix lug holes on a cross rod of a rear fork of the frame is arranged between the reference hole fixing mechanisms. The reference hole fixing mechanism comprises a base, a guide rod, a first air cylinder and a reference hole positioning pin, wherein the first air cylinder and the reference hole positioning pin are arranged on the base, the two ends of the guide rod are respectively connected with the telescopic end of the first air cylinder and the reference hole positioning pin, and a reference hole positioning sleeve for the reference hole positioning pin to penetrate through is arranged on the bearing table.
Through adopting above-mentioned technical scheme, headstock pipe fixed establishment is used for fixed locomotive, and rear of a vehicle frame fixed establishment is used for fixed frame afterbody, and benchmark hole fixed establishment is used for the automobile body part of fixed frame, and benchmark hole fixed establishment operating mode is: the first cylinder is driven to push the guide rod, the reference hole positioning pin at the front end of the guide rod moves along the length direction of the guide rod, the reference hole positioning pin is embedded into the support lug on the cross rod of the rear fork of the frame, then the reference hole positioning pin is embedded into the reference hole positioning sleeve in the bearing table, and the support lug is clamped between the reference hole positioning pin and the side wall of the bearing table, so that the support lug can be prevented from shaking during welding, and the qualified rate of frame welding is improved.
Has the advantages that: the welding fixture for the frame of the electric vehicle can fix the frame in a multi-angle and all-around manner, so that the stability of fixing the frame is improved, and the qualification rate of frame welding is improved; meanwhile, the clamp is fixed in an air pressure mode, so that the working efficiency can be improved, and meanwhile, the frame can be fixed more stably.
Drawings
FIG. 1 is a top view of an electric vehicle frame welding fixture;
FIG. 2 is a front view of an electric vehicle frame welding jig.
Detailed Description
As shown in fig. 1 and 2, an electric vehicle frame welding fixture comprises a base plate 1, a boss 2 which is arranged on the base plate 1 and is opposite to the boss 1 in the left-right direction is arranged, a head pipe fixing mechanism 3 used for fixing a vehicle head is arranged on the boss 2, the head pipe fixing mechanism 3 comprises a base 31 arranged on the boss 2, a gland 32 on the head pipe, a head pipe lower gland 33, a second cylinder 34 and a pressure lever 35, the head pipe lower gland is arranged on the base 31, the pressure lever 35 is hinged to the base 31, the pressure lever 35 is connected with the second cylinder 34 used for driving the pressure lever 35 to rotate around the base 31, and one end, close to the head pipe lower gland 33, of the pressure lever 35 is connected with the head pipe upper gland 32. An inner wind-shielding lower bracket positioning mechanism 8 is arranged on the bottom plate 1 on one side of the boss 2, the inner wind-shielding lower bracket positioning mechanism 8 comprises a push clamp 81, a push clamp seat 82, a guide rod 83, an inner wind-shielding lower bracket positioning pin 84 and an inner wind-shielding lower bracket limiting block 85, a shell of the push clamp 81 is arranged on the push clamp seat 82, the guide rod 83 penetrates through the push clamp seat 82 and is arranged on the push clamp 81, the front end of the guide rod 83 is inserted into the inner wind-shielding lower bracket limiting block 85, and the inner wind-shielding lower bracket positioning pin 84 is arranged at the top of the guide rod 83; the push clamp 81 is driven, the push clamp 81 drives the guide rod 83 to move along the length direction of the push clamp, the inner wind shielding lower support limiting block 85 is driven by the guide rod 83 to prop against the inner wind shielding lower support, and the inner wind shielding lower support positioning pin 84 is driven by the guide rod 83 to be embedded into the positioning hole of the inner wind shielding lower support.
A frame rear fork bracket positioning mechanism 7 and a reference hole fixing mechanism 5 which are opposite to each other left and right are sequentially arranged between the two bosses 2; a bearing table 6 used for being matched with the reference hole fixing mechanism 5 is arranged between the reference hole fixing mechanisms 5 which are opposite from each other on the left and the right, and a frame rear fork support positioning mechanism 7 is positioned on one side of the reference hole fixing mechanism 5 and inclines to the bearing table 6. The frame rear fork bracket positioning mechanism 7 comprises a push clamp 71, a push clamp seat 72, a guide rod 73 which is arranged on the push clamp 71 and penetrates through the push clamp seat 72, and a frame rear fork bracket positioning pin 74 which is arranged at the front end of the guide rod 73; the pusher dog 71 drives the frame rear fork bracket positioning pin 74 on the guide bar 73 to move along the length direction of the guide bar 73, and the frame rear fork bracket positioning pin 74 is fitted into the positioning hole of the frame rear fork bracket. The reference hole fixing mechanism 5 comprises a base 51, a guide rod 837352, a first air cylinder 53 arranged on the base 51 and a reference hole positioning pin 54, two ends of the guide rod 52 are respectively connected with a telescopic end of the first air cylinder 53 and the reference hole positioning pin 54, a reference hole positioning sleeve for the reference hole positioning pin 54 to pass through is arranged on the bearing table 6 and drives the first air cylinder 53, the first air cylinder 53 pushes the guide rod 52, the reference hole positioning pin 54 at the front end of the guide rod 52 moves along the length direction of the guide rod 52, the reference hole positioning pin 54 is embedded into a support lug on a cross rod of a rear fork of a frame, the reference hole positioning pin 54 is embedded into the reference hole positioning sleeve in the bearing table 6, and the support lug is clamped between the reference hole positioning pin 54 and the side wall of the bearing table 6, so that the support lug can be prevented from shaking during welding.
A boss 2 close to the reference hole fixing mechanism 5 is sequentially provided with a handrail front fixing support positioning mechanism 9, a frame damping hanger positioning mechanism 10 and a locking plate support fixing mechanism 11 which are arranged in a left-right opposite mode, wherein the handrail front fixing support positioning mechanism 9 comprises a base 91, a pressing clamp 92, a handrail front fixing support positioning pin 93 and a handrail front fixing support limiting block 9442; the pressing pliers 92 are hinged to the base 91, holes for pins to pass through are formed in the base 91 and the pressing pliers 92, the handrail front fixing support limiting block 94 is arranged at the front end of the pressing pliers 92, the handrail front fixing support positioning pin 93 is arranged at the bottom of the handrail front fixing support limiting block 94, the pressing pliers 92 are pressed downwards, the handrail front fixing support limiting block 94 buckles the handrail front fixing support, the handrail front fixing support positioning pin 93 is embedded into the handrail front fixing support holes, and then the pressing pliers 92 are fixed by the pins through the holes in the pressing pliers 92 and the base 91.
Frame shock attenuation hangers positioning mechanism 10 includes fixed block 101, fixed pin 102, sets up the journal stirrup that is used for cooperating fixed pin 102 on the fixed block 101, and the journal stirrup department of frame shock attenuation hangers position fixed block 101, fixed pin 102 pass the journal stirrup hole and the frame shock attenuation hangers hole of fixed block 101 with fixed frame.
The frame damping lug positioning mechanism 10 is right opposite to the locking plate bracket fixing mechanism 11, and the locking plate bracket fixing mechanism 11 comprises a base 111, a pressing clamp 112 and a locking plate bracket limiting block 113; the pressing pliers 112 are hinged to the base 111, holes for pins to penetrate through are formed in the base 111 and the pressing pliers 112, the lock plate support limiting block 113 is arranged at the front end of the pressing pliers 112 and used for pressing the pressing pliers 112 downwards, the lock plate support limiting block 113 buckles the lock plate support, the lock plate support positioning pin is embedded into the lock plate support hole, and then the pins penetrate through the holes in the pressing pliers 112 and the base 111 to fix the pressing pliers 112.
The two sides of the locking plate support fixing mechanism 11 are correspondingly provided with a tailstock fixing mechanism 4, the tailstock fixing mechanism 4 comprises a connecting block 41, a limiting block 42, a third cylinder 43 and a supporting block 44 which are arranged on one side of the boss 2, the supporting block 44 is arranged on the connecting block 41 fixedly connected with the boss 2, the limiting block 42 is hinged to the vertical end of the connecting block 41, the third cylinder 43 drives the limiting block 42 hinged to the third cylinder to rotate around the vertical end of the connecting block 41, and the limiting block 42 is close to or far away from the supporting block 44.
Claims (3)
1. A bottom plate (1) is provided with bosses (2) which are arranged oppositely left and right, a headstock pipe fixing mechanism (3) for fixing a headstock is arranged on the boss (2) on the left side, and a tailstock fixing mechanism (4) which is arranged oppositely left and right is arranged on the boss (2) on the right side; the frame rear fork positioning mechanism is characterized in that a pair of reference hole fixing mechanisms (5) used for fixing a frame are arranged between the left boss (2) and the right boss (2) which are opposite, a bearing table (6) used for being matched with the reference hole fixing mechanisms (5) to fix lug holes in a cross rod of a frame rear fork is arranged between the reference hole fixing mechanisms (5), each reference hole fixing mechanism (5) comprises a base (51), a guide rod (52), a first air cylinder and a reference hole positioning pin (54) which are arranged on the corresponding base (51), two ends of each guide rod (52) are respectively connected with the telescopic end of the first air cylinder and the reference hole positioning pin (54), a reference hole positioning sleeve used for allowing the reference hole positioning pin (54) to penetrate through is arranged on the bearing table (6), and the frame rear fork support positioning mechanism (7) arranged beside the reference hole fixing mechanisms (5) is further included, and each frame rear fork support positioning mechanism (7) comprises a, A guide rod (73) arranged on the push clamp (71) and penetrating through a seat of the push clamp (71), and a frame rear fork bracket positioning pin (74) arranged at the front end of the guide rod (73); the push clamp (71) drives the frame rear fork bracket positioning pin (74) on the guide rod (73) to move along the length direction of the guide rod (73).
2. The electric vehicle frame welding fixture according to claim 1, characterized in that the head pipe fixing mechanism (3) comprises a base (31) arranged on the boss (2), a head pipe upper gland (32), a head pipe lower gland (33), a second cylinder (34) and a pressure lever (35), the head pipe lower gland is arranged on the base (31), the pressure lever (35) is hinged to the base (31), the pressure lever (35) is connected with the second cylinder (34) for driving the pressure lever (35) to rotate around the base (31), and one end of the pressure lever (35) close to the head pipe lower gland (33) is connected with the head pipe upper gland (32).
3. The electric vehicle frame welding fixture according to claim 1, characterized in that the tail frame fixing mechanism (4) comprises a connecting block (41), a limiting block (42), a third cylinder (43) and a supporting block (44) which are arranged on one side of the boss (2), the supporting block (44) is arranged on the connecting block (41) fixedly connected with the boss (2), the limiting block (42) is hinged with the vertical end of the connecting block (41), the third cylinder (43) drives the limiting block (42) hinged with the third cylinder to rotate around the vertical end of the connecting block (41), and the limiting block (42) is close to or far away from the supporting block (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839533.3U CN211331944U (en) | 2019-10-30 | 2019-10-30 | Electric vehicle frame welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839533.3U CN211331944U (en) | 2019-10-30 | 2019-10-30 | Electric vehicle frame welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211331944U true CN211331944U (en) | 2020-08-25 |
Family
ID=72128055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921839533.3U Active CN211331944U (en) | 2019-10-30 | 2019-10-30 | Electric vehicle frame welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211331944U (en) |
-
2019
- 2019-10-30 CN CN201921839533.3U patent/CN211331944U/en active Active
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