Bicycle front fork welding clamping device

Abstract

The utility model belongs to the technical field of bicycle production, and discloses a bicycle front fork welding and clamping device which comprises a base, a pressing mechanism, an adjusting assembly and a positioning mechanism, the pressing mechanism is arranged on the base and used for fixing a front fork vertical pipe, the front fork vertical pipe is rapidly detached through the pressing mechanism, and the adjusting assembly is used for adjusting the front fork vertical pipe. The front fork vertical pipes of different sizes can be fixed relative to the base, the vertical adjusting mechanism is arranged on the horizontal adjusting mechanism, the horizontal adjusting mechanism is arranged on the base and used for driving the vertical adjusting mechanism to move in the axis direction of the front fork vertical pipes, and the positioning mechanism is arranged on the vertical adjusting mechanism and used for positioning the front fork vertical pipes. The positioning mechanism can move in the vertical direction under the action of the vertical adjusting mechanism so that the positioning mechanism can be clamped and fixed between the two fork pipes, a welding robot can weld a front fork vertical pipe and an upper fork conveniently, the manual labor intensity and the labor cost are reduced, the welding manufacturing production efficiency of the bicycle front fork is improved, and the automation degree is high.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle production, in particular to a welding clamping device for a bicycle front fork. Background Art

[0002] Bicycle is a common means of transportation for people to travel, and is widely used because of its lightness, flexibility and labor saving. The front fork of a bicycle is an important part of a bicycle, and it includes a front fork vertical pipe and two fork tubes arranged at the lower end of the front fork vertical pipe.

[0003] During the manufacturing process, the front fork vertical tube and the two fork tubes are fixed and connected by welding. Manual welding is often performed based on experience. Manual welding is not easy to fix, has poor welding accuracy, and has high labor intensity and labor costs. During inspection and assembly, it will be found that the welding position between the front fork vertical tube and the fork tube deviates or the distance between the two fork tubes deviates too much, resulting in the front wheel of the bicycle being unable to be installed during assembly, and a high failure rate.

[0004] Therefore, there is an urgent need for a bicycle front fork welding clamping device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a bicycle front fork welding clamping device, which is convenient for a welding robot to weld a front fork vertical tube and an upper fork, reduces manual labor intensity and labor costs, improves the welding manufacturing efficiency of a bicycle front fork, and has a high degree of automation.

[0006] In order to solve the above problems existing in the prior art, the utility model adopts the following technical solutions:

[0007] A bicycle front fork welding clamping device is used to fix a bicycle front fork, wherein the bicycle front fork comprises a front fork vertical tube and an upper fork, wherein the upper fork comprises two fork tubes, and both fork tubes are connected to the front fork vertical tube. The bicycle front fork welding clamping device comprises:

[0008] Base;

[0009] A clamping mechanism, the clamping mechanism is arranged on the base, and the clamping mechanism is used to fix the front fork vertical tube;

[0010] An adjustment assembly, the adjustment assembly comprising a horizontal adjustment mechanism and a vertical adjustment mechanism, the vertical adjustment mechanism being arranged on the horizontal adjustment mechanism, the horizontal adjustment mechanism being arranged on the base, and the horizontal adjustment mechanism being used to drive the vertical adjustment mechanism to move along the axial direction of the front fork stem;

[0011] A positioning mechanism is arranged on the vertical adjustment mechanism, and the positioning mechanism can move in the vertical direction under the action of the vertical adjustment mechanism, so that the positioning mechanism can be clamped and fixed between the two fork tubes.

[0012] Preferably, the positioning mechanism includes a first motor, a push rod, a positioning rod and a fixed seat, the fixed seat is arranged on the vertical adjustment mechanism, the fixed seat is provided with a mounting groove, the positioning rod can be arranged in the mounting groove, the first motor is arranged on the fixed seat, and the output end of the first motor is connected to the push rod, the push rod can tighten the positioning rod under the action of the first motor so that the positioning rod is fixed relative to the fixed seat, and the two ends of the positioning rod can respectively tighten the two fork tubes.

[0013] Preferably, the bicycle front fork welding clamping device also includes a limiting mechanism, which includes a connecting seat and a limiting assembly. The connecting seat is arranged on the vertical adjustment mechanism, and the fixing seat is also provided with a positioning groove, which is used to fix the connecting shaft. The limiting assembly is arranged on the connecting seat. There are two limiting assemblies, which are respectively located on both sides of the fixing seat and are used to clamp the connecting shaft.

[0014] Preferably, the vertical adjustment mechanism includes a first fixed frame, a first hand-cranked wheel, a first screw rod and a first slider, the first fixed frame is arranged on the horizontal adjustment mechanism, the first hand-cranked wheel is connected to the first screw rod, the first screw rod is rotatably arranged on the first fixed frame, the first slider is fixedly connected to the connecting seat, and the first slider is sleeved on the first screw rod and can slide along the axial direction of the first screw rod, so that the connecting seat can slide in the vertical direction relative to the first fixed frame.

[0015] Preferably, the horizontal adjustment mechanism includes a second fixed frame, a second hand-cranked wheel, a second screw rod and a second slider, the second fixed frame is arranged on the base, the second hand-cranked wheel is connected to the second screw rod, the second screw rod is rotatably arranged on the second fixed frame, the second slider is fixedly connected to the first fixed frame, and the second slider is sleeved on the second screw rod and can slide along the axial direction of the second screw rod so that the first fixed frame and the second fixed frame are slidably matched.

[0016] Preferably, the clamping mechanism includes a clamping assembly, a guide rail and a positioning seat, the guide rail is arranged on the base, the positioning seat is arranged on the guide rail, and the positioning seat can slide along the length direction of the guide rail, the positioning seat is provided with a fixing groove, the front fork vertical tube is placed in the fixing groove, the clamping assembly is arranged on the positioning seat, and the clamping assembly is used to clamp the front fork vertical tube so that the front fork vertical tube is fixed relative to the fixing groove.

[0017] Preferably, the clamping assembly includes a second motor, a connecting rod, a support rod and a clamping block, the second motor is arranged on the positioning seat, and the output end of the second motor is connected to one end of the connecting rod, the clamping block is rotatably connected to the other end of the connecting rod, one end of the support rod is connected to the positioning seat, and the other end of the support rod is connected to the clamping block, and the connecting rod drives the clamping block to rotate relative to the support rod under the action of the second motor, so that the clamping block can clamp the front fork vertical tube in the fixing groove.

[0018] Preferably, the bicycle front fork welding clamping device also includes a fixing component, the fixing component includes a fixing pin and a positioning frame, the positioning frame is arranged on the positioning seat, the bicycle front fork also includes a sleeve and a fork shoulder, the sleeve is connected to the front fork vertical tube, the fork shoulder is connected to the sleeve and the upper fork, the sleeve and the fork shoulder are both provided with mounting holes, the positioning frame is provided with a connecting hole, the fixing pin is penetrated through the connecting hole and connected to the mounting hole.

[0019] Preferably, the bicycle front fork welding clamping device also includes a clamping assembly, which includes a third motor and a clamping rod. The third motor is arranged on the base, and the output end of the third motor is connected to the clamping rod. The clamping rod can be extended and retracted and pressed against the fork tube under the action of the third motor.

[0020] Preferably, the bicycle front fork welding clamping device also includes a positioning assembly, which includes a third hand-cranked wheel, a third fixed frame, a third screw rod, a fixed rod and a movable rod, the third fixed frame is arranged on the base, the fixed rod is fixedly connected to the third fixed frame, the third screw rod is rotatably arranged on the third fixed frame, the third hand-cranked wheel is connected to one end of the third screw rod, the other end of the third screw rod is connected to the fixed rod, the fixed rod is abutted against one of the fork tubes, and the movable rod is sleeved on the third screw rod and can move along the axial direction of the third screw rod so that the movable rod can be tightly pressed against the other fork tube.

[0021] The beneficial effects of the utility model are:

[0022] The utility model provides a bicycle front fork welding clamping device, wherein a clamping mechanism is arranged on a base, and the clamping mechanism is used to fix the front fork vertical tube. Under the action of the clamping mechanism, the front fork vertical tube is fixed relative to the base, and the front fork vertical tube is quickly disassembled by the clamping mechanism, so that the front fork vertical tubes of different sizes can be fixed relative to the base. The adjustment component comprises a horizontal adjustment mechanism and a vertical adjustment mechanism, wherein the vertical adjustment mechanism is arranged on the horizontal adjustment mechanism, and the horizontal adjustment mechanism is arranged on the base, and the positioning mechanism is arranged on the vertical adjustment mechanism, and the positioning mechanism can move in a vertical direction under the driving action of the vertical adjustment mechanism, so that the positioning mechanism can be placed in a horizontal plane where two fork tubes are located. The vertical adjustment mechanism is installed on the horizontal adjustment mechanism, that is, the positioning mechanism is installed on the horizontal adjustment mechanism through the vertical adjustment mechanism, and under the action of the horizontal adjustment mechanism, the vertical adjustment mechanism and the positioning mechanism are driven to move synchronously along the axial direction of the front fork vertical tube, so that the positioning mechanism moves between the fork feet of the two fork tubes in the horizontal plane where the two fork tubes are located, and can be clamped and fixed between the fork feet of the two fork tubes, so that the upper fork is fixed relative to the base, thereby facilitating the welding robot to weld the front fork vertical tube and the upper fork. It reduces the labor intensity and labor cost, improves the welding manufacturing efficiency of bicycle front forks, and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a bicycle front fork welding clamping device provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the structure of the adjustment assembly, positioning mechanism and limiting mechanism provided in the embodiment of the utility model;

[0025] Figure 3 A schematic diagram of the structure of the clamping mechanism and the fixing assembly provided in the embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the structure of a clamping assembly provided in an embodiment of the utility model;

[0027] Figure 5 A schematic structural diagram of a positioning assembly provided in an embodiment of the utility model.

[0028] Reference numerals:

[0029] 100, front fork vertical tube; 200, upper fork; 201, fork tube; 300, connecting shaft; 400, sleeve; 500, fork crown;

[0030] 1. Base;

[0031] 2. Clamping mechanism; 21. Guide rail; 22. Positioning seat; 23. Second motor; 24. Connecting rod; 25. Support rod; 26. Clamping block;

[0032] 3. Adjustment assembly; 31. Vertical adjustment mechanism; 311. First fixed frame; 312. First hand-cranked wheel; 313. First screw rod; 314. First slider; 32. Horizontal adjustment mechanism; 321. Second fixed frame; 322. Second hand-cranked wheel; 323. Second screw rod; 324. Second slider;

[0033] 4. Positioning mechanism; 41. First motor; 42. Ejector rod; 43. Positioning rod; 44. Fixed seat;

[0034] 5. Limiting mechanism; 51. Connecting seat; 52. Limiting assembly;

[0035] 6. Fixing assembly; 61. Fixing pin; 62. Positioning frame;

[0036] 7. Clamping assembly; 71. Third motor; 72. Clamping rod;

[0037] 8. Positioning assembly; 81. The third hand-cranked wheel; 82. The third fixed frame; 83. The third screw rod; 84. The fixed rod; 85. The movable rod. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0042] like Figure 1-Figure 5As shown, in this embodiment, the bicycle front fork welding clamping device is used to fix the bicycle front fork, the bicycle front fork includes a front fork vertical tube 100 and an upper fork 200, the upper fork 200 includes two fork tubes 201, and the two fork tubes 201 are connected to the front fork vertical tube 100. The bicycle front fork welding clamping device includes a base 1, a clamping mechanism 2, an adjustment assembly 3 and a positioning mechanism 4. Among them, the clamping mechanism 2 is arranged on the base 1, and the clamping mechanism 2 is used to fix the front fork vertical tube 100. The adjustment assembly 3 includes a horizontal adjustment mechanism 32 and a vertical adjustment mechanism 31. The vertical adjustment mechanism 31 is arranged on the horizontal adjustment mechanism 32, and the horizontal adjustment mechanism 32 is arranged on the base 1, and the horizontal adjustment mechanism 32 is used to drive the vertical adjustment mechanism 31 to move along the axial direction of the front fork vertical tube 100. The positioning mechanism 4 is arranged on the vertical adjustment mechanism 31, and the positioning mechanism 4 can move in the vertical direction under the action of the vertical adjustment mechanism 31, so that the positioning mechanism 4 can be clamped and fixed between the two fork tubes 201. Specifically, the bicycle front fork includes a front fork stem 100 and two fork tubes 201 connected to the front fork stem 100. Along the front-to-back direction of the bicycle front fork, a clamping mechanism 2, a positioning mechanism 4 and an adjustment assembly 3 are sequentially arranged on the base 1. Under the action of the clamping mechanism 2, the front fork stem 100 is fixed relative to the base 1. On the contrary, the front fork stem 100 can be quickly disassembled through the clamping mechanism 2, so that the front fork stem 100 of different sizes can be fixed relative to the base 1. The positioning mechanism 4 is installed on the vertical adjustment mechanism 31. The positioning mechanism 4 can move in the vertical direction under the driving action of the vertical adjustment mechanism 31, so that the positioning mechanism 4 can be placed in the horizontal plane where the two fork tubes 201 are located. The vertical adjustment mechanism 31 is installed on the horizontal adjustment mechanism 32, that is, the positioning mechanism 4 is installed on the horizontal adjustment mechanism 32 through the vertical adjustment mechanism 31. Under the action of the horizontal adjustment mechanism 32, the vertical adjustment mechanism 31 and the positioning mechanism 4 are driven to move synchronously along the axial direction of the front fork vertical tube 100, so that the positioning mechanism 4 moves to between the fork feet of the two fork tubes 201 in the horizontal plane where the two fork tubes 201 are located, and can be clamped and fixed between the fork feet of the two fork tubes 201, so that the upper fork 200 is fixed relative to the base 1, thereby facilitating the welding robot to weld the front fork vertical tube 100 and the upper fork 200, reducing the labor intensity and labor costs, improving the welding manufacturing efficiency of the bicycle front fork, and having a high degree of automation. Preferably, the bicycle front fork welding clamping device is provided with a reservation function. After loading, the reservation button is pressed. After the welding robot has finished welding a workpiece at one station, it will directly weld the workpiece at the next station that has been reserved, thus realizing automatic connection production. The external axis of the bicycle front fork welding clamping device adopts a double-axis positioner, which is convenient for robot welding, and the mold table is designed to avoid the surrounding of the weld, which can ensure that the robot welds all around and realizes maximum welding efficiency.

[0043] Further, continue to refer to Figure 1-Figure 5The positioning mechanism 4 includes a first motor 41, a push rod 42, a positioning rod 43 and a fixing seat 44. The fixing seat 44 is arranged on the vertical adjustment mechanism 31. The fixing seat 44 is provided with a mounting groove. The positioning rod 43 can be arranged in the mounting groove. The first motor 41 is arranged on the fixing seat 44, and the output end of the first motor 41 is connected to the push rod 42. The push rod 42 can press the positioning rod 43 tightly under the action of the first motor 41, so that the positioning rod 43 is fixed relative to the fixing seat 44, and the two ends of the positioning rod 43 can press the two fork tubes 201 respectively. Specifically, the distance between the two fork feet corresponding to upper forks 200 of different sizes is different, and a matching positioning rod 43 is used, that is, the length of the positioning rod 43 is slightly smaller than the distance between the fork feet of the two fork tubes 201, and the positioning rod 43 is placed in the installation groove, and the first motor 41 is started. The first motor 41 drives the push rod 42 to move downward and press the positioning rod 43 to fix the positioning rod 43 in the installation groove, and then the positioning mechanism 4 is adjusted to between the two fork tubes 201 under the action of the horizontal adjustment mechanism 32 and the vertical adjustment mechanism 31 and is clamped and fixed between the fork feet of the two fork tubes 201, so as to facilitate the welding robot to weld the front fork vertical tube 100 and the upper fork 200.

[0044] Further, continue to refer to Figure 1-Figure 5 The bicycle front fork welding clamping device also includes a limiting mechanism 5, which includes a connecting seat 51 and a limiting assembly 52. ​​The connecting seat 51 is arranged on the vertical adjustment mechanism 31. The fixing seat 44 is also provided with a positioning groove, which is used to fix the connecting shaft 300. The limiting assembly 52 is arranged on the connecting seat 51. There are two limiting assemblies 52, which are respectively located on both sides of the fixing seat 44 and used to clamp the connecting shaft 300. Specifically, the connecting shaft 300 for connecting the fork legs of the two fork tubes 201 is placed in the positioning groove. The connecting seat 51 moves in the vertical direction under the action of the vertical adjustment mechanism 31, so that the limiting assemblies 52 at both ends of the connecting seat 51 move to the two ends of the connecting shaft 300. The limiting assembly 52 is extended and pressed against the end of the connecting shaft 300, so that the connecting shaft 300 is fixedly clamped in the positioning groove, which has a good positioning effect, and there is no need to disassemble and change the mold. The limiting assembly 52 is composed of a motor and a telescopic rod. The motor drives the telescopic rod to extend and retract to press against the end of the connecting shaft.

[0045] Further, continue to refer to Figure 1-Figure 5The vertical adjustment mechanism 31 includes a first fixed frame 311, a first hand-cranked wheel 312, a first screw rod 313 and a first slider 314. The first fixed frame 311 is arranged on the horizontal adjustment mechanism 32. The first hand-cranked wheel 312 is connected to the first screw rod 313. The first screw rod 313 is rotatably arranged on the first fixed frame 311. The first slider 314 is fixedly connected to the connecting seat 51, and the first slider 314 is sleeved on the first screw rod 313 and can slide along the axial direction of the first screw rod 313, so that the connecting seat 51 can slide relative to the first fixed frame 311 in the vertical direction. Specifically, by holding the first hand-cranked wheel 312 and rotating it, the first hand-cranked wheel 312 drives the first screw rod 313 to rotate relative to the first fixed frame 311, and the first screw rod 313 cooperates with the first slider 314, so that the first slider 314 can slide along the axial direction of the first screw rod 313, so that the first slider 314 can drive the connecting seat 51 and the positioning mechanism 4 to move in the vertical direction, so as to adjust the two limit assemblies 52 to respectively press against the ends of the connecting shaft 300, so that the connecting shaft 300 is fixed in the positioning groove.

[0046] Further, continue to refer to Figure 1-Figure 5 The horizontal adjustment mechanism 32 includes a second fixed frame 321, a second hand-cranked wheel 322, a second screw rod 323 and a second slider 324. The second fixed frame 321 is arranged on the base 1, the second hand-cranked wheel 322 is connected to the second screw rod 323, the second screw rod 323 is rotatably arranged on the second fixed frame 321, the second slider 324 is fixedly connected to the first fixed frame 311, and the second slider 324 is sleeved on the second screw rod 323 and can slide along the axial direction of the second screw rod 323, so that the first fixed frame 311 and the second fixed frame 321 can be slidably matched. Specifically, by holding the second hand-cranked wheel 322 and rotating it, the second hand-cranked wheel 322 drives the second screw rod 323 to rotate relative to the second fixed frame 321, and the second screw rod 323 cooperates with the second slider 324, so that the second slider 324 can slide along the axial direction of the second screw rod 323, and then the second slider 324 can drive the vertical adjustment mechanism 31 and the limiting mechanism 5 and the positioning mechanism 4 provided on the vertical adjustment mechanism 31 to move horizontally, ensuring that the positioning mechanism 4 and the limiting mechanism 5 can be adjusted in the horizontal direction and the vertical direction, with high flexibility, accurate and convenient adjustment.

[0047] Further, continue to refer to Figure 1-Figure 5The clamping mechanism 2 includes a clamping assembly, a guide rail 21 and a positioning seat 22. The guide rail 21 is arranged on the base 1, and the positioning seat 22 is arranged on the guide rail 21, and the positioning seat 22 can slide along the length direction of the guide rail 21. The positioning seat 22 is provided with a fixing groove, and the front fork stem 100 is placed in the fixing groove. The clamping assembly is arranged on the positioning seat 22, and the clamping assembly is used to clamp the front fork stem 100 so that the front fork stem 100 is fixed relative to the fixing groove. Specifically, the clamping assembly includes a second motor 23, a connecting rod 24, a support rod 25, and a clamping block 26. The second motor 23 is disposed on the positioning seat 22, and the output end of the second motor 23 is connected to one end of the connecting rod 24. The clamping block 26 is rotatably connected to the other end of the connecting rod 24. One end of the support rod 25 is connected to the positioning seat 22, and the other end of the support rod 25 is connected to the clamping block 26. The connecting rod 24 drives the clamping block 26 to rotate relative to the support rod 25 under the action of the second motor 23, so that the clamping block 26 can clamp the front fork vertical tube 100 in the fixing groove. The front fork vertical tube 100 is placed in the fixing groove, the second motor 23 is started, and the second motor 23 drives the connecting rod 24 to move in the vertical direction. The connecting rod 24 rotates relative to the support rod 25 under the action of the support rod 25 and drives the clamping block 26 to clamp the front fork vertical tube 100, so that the front fork vertical tube 100 is fixed in the fixing groove and fixed firmly, thereby ensuring the welding operation of the front fork vertical tube 100 and the upper fork 200.

[0048] Further, continue to refer to Figure 1-Figure 5 The bicycle front fork welding clamping device also includes a fixing assembly 6, which includes a fixing pin 61 and a positioning frame 62, and the positioning frame 62 is arranged on the positioning seat 22. The bicycle front fork also includes a sleeve 400 and a fork shoulder 500, the sleeve 400 is connected to the front fork vertical tube 100, the fork shoulder 500 is connected to the sleeve 400 and the upper fork 200, the sleeve 400 and the fork shoulder 500 are both provided with mounting holes, the positioning frame 62 is provided with a connecting hole, and the fixing pin 61 is penetrated through the connecting hole and connected to the mounting hole. Specifically, the front fork vertical tube 100 is connected to the sleeve 400, the sleeve 400 is connected to the fork shoulder 500, the fork shoulder 500 is connected to the upper fork 200, the connecting frame is fixedly installed on the positioning seat 22, the sleeve 400 is sleeved on the front fork vertical tube 100, and the fixing pin 61 penetrates through the connecting hole of the positioning frame 62 and is fixedly connected to the mounting holes of the sleeve 400 and the fork shoulder 500, so as to facilitate quick assembly and disassembly.

[0049] Further, continue to refer to Figure 1-Figure 5The bicycle front fork welding clamping device further includes a clamping assembly 7, which includes a third motor 71 and a clamping rod 72. The third motor 71 is disposed on the base 1, and the output end of the third motor 71 is connected to the clamping rod 72. The clamping rod 72 can be extended and retracted and pressed against the fork tube 201 under the action of the third motor 71. Specifically, there are two clamping assemblies 7, and the two clamping assemblies 7 are respectively located beside the two fork tubes 201. When the third motor 71 is started, the third motor 71 drives the clamping rod 72 to extend and retract and press against the tube wall of the fork tube 201, that is, the two clamping rods 72 press against the outer side of the tube wall of the corresponding fork tube 201, which is convenient for adjusting and fixing the fork tube 201, and the operation is convenient, and the fixing effect of the fork tube 201 is further improved.

[0050] Further, continue to refer to Figure 1-Figure 5 The bicycle front fork welding clamping device also includes a positioning assembly 8, which includes a third hand-cranked wheel 81, a third fixed frame 82, a third screw rod 83, a fixed rod 84 and a movable rod 85. The third fixed frame 82 is arranged on the base 1, the fixed rod 84 is fixedly connected to the third fixed frame 82, the third screw rod 83 is rotatably arranged on the third fixed frame 82, the third hand-cranked wheel 81 is connected to one end of the third screw rod 83, and the other end of the third screw rod 83 is connected to the fixed rod 84, the fixed rod 84 is abutted against one of the fork tubes 201, and the movable rod 85 is sleeved on the third screw rod 83 and can move along the axial direction of the third screw rod 83, so that the movable rod 85 can be tightly pressed against the other fork tube 201. Specifically, the two fork tubes 201 are located between the fixed rod 84 and the movable rod 85. The third hand-cranked wheel 81 is held and rotated, and the third hand-cranked wheel 81 drives the third screw rod 83 to rotate relative to the third fixed frame 82. The fixed rod 84 is fixed. The movable rod 85 moves relative to the third fixed frame 82 under the driving action of the third screw rod 83 and gradually approaches the fixed rod 84. Finally, the movable rod 85 is pressed against the tube wall of the fork tube 201, so that the movable rod 85 and the fixed rod 84 fix and clamp the upper fork 200, which is convenient for adjusting and fixing the fork tube 201 and easy to operate, further improving the fixing effect of the upper fork 200 and the welding effect between the front fork vertical tube 100.

[0051] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A bicycle front fork welding clamping device, used for fixing a bicycle front fork, the bicycle front fork comprising a front fork stem (100) and an upper fork (200), the upper fork (200) comprising two fork tubes (201), the two fork tubes (201) are both connected to the front fork stem (100), characterized in that: The bicycle front fork welding clamping device comprises: Base (1); A clamping mechanism (2), the clamping mechanism (2) being arranged on the base (1), and the clamping mechanism (2) being used to fix the front fork vertical tube (100); An adjustment assembly (3), the adjustment assembly (3) comprising a horizontal adjustment mechanism (32) and a vertical adjustment mechanism (31), the vertical adjustment mechanism (31) being arranged on the horizontal adjustment mechanism (32), the horizontal adjustment mechanism (32) being arranged on the base (1), and the horizontal adjustment mechanism (32) being used to drive the vertical adjustment mechanism (31) to move along the axial direction of the front fork stem (100); A positioning mechanism (4), wherein the positioning mechanism (4) is arranged on the vertical adjustment mechanism (31), and the positioning mechanism (4) can move in the vertical direction under the action of the vertical adjustment mechanism (31), so that the positioning mechanism (4) can be clamped and fixed between the two fork tubes (201).

2. The bicycle front fork welding clamping device according to claim 1, characterized in that: The positioning mechanism (4) comprises a first motor (41), a push rod (42), a positioning rod (43) and a fixing seat (44); the fixing seat (44) is arranged on the vertical adjustment mechanism (31); the fixing seat (44) is provided with a mounting groove; the positioning rod (43) can be arranged in the mounting groove; the first motor (41) is arranged on the fixing seat (44); and the output end of the first motor (41) is connected to the push rod (42); the push rod (42) can press the positioning rod (43) under the action of the first motor (41) so that the positioning rod (43) is fixed relative to the fixing seat (44); and the two ends of the positioning rod (43) can press the two fork tubes (201) respectively.

3. The bicycle front fork welding clamping device according to claim 2, characterized in that: The bicycle front fork welding clamping device further comprises a limiting mechanism (5), wherein the limiting mechanism (5) comprises a connecting seat (51) and a limiting assembly (52), wherein the connecting seat (51) is arranged on the vertical adjustment mechanism (31), the fixing seat (44) is further provided with a positioning groove, wherein the positioning groove is used to fix the connecting shaft (300), and the limiting assembly (52) is arranged on the connecting seat (51), wherein there are two limiting assemblies (52), which are respectively located on two sides of the fixing seat (44) and are used to clamp the connecting shaft (300).

4. The bicycle front fork welding clamping device according to claim 3, characterized in that: The vertical adjustment mechanism (31) comprises a first fixed frame (311), a first hand-cranked wheel (312), a first screw rod (313) and a first sliding block (314); the first fixed frame (311) is arranged on the horizontal adjustment mechanism (32); the first hand-cranked wheel (312) is connected to the first screw rod (313); the first screw rod (313) is rotatably arranged on the first fixed frame (311); the first sliding block (314) is fixedly connected to the connecting seat (51); the first sliding block (314) is sleeved on the first screw rod (313) and can slide along the axial direction of the first screw rod (313), so that the connecting seat (51) can slide in a vertical direction relative to the first fixed frame (311).

5. The bicycle front fork welding clamping device according to claim 4, characterized in that: The horizontal adjustment mechanism (32) comprises a second fixed frame (321), a second hand-cranked wheel (322), a second screw rod (323) and a second slider (324); the second fixed frame (321) is arranged on the base (1); the second hand-cranked wheel (322) is connected to the second screw rod (323); the second screw rod (323) is rotatably arranged on the second fixed frame (321); the second slider (324) is fixedly connected to the first fixed frame (311); and the second slider (324) is sleeved on the second screw rod (323) and can slide along the axial direction of the second screw rod (323) so that the first fixed frame (311) and the second fixed frame (321) are slidably matched.

6. The bicycle front fork welding clamping device according to claim 1, characterized in that: The clamping mechanism (2) comprises a clamping assembly, a guide rail (21) and a positioning seat (22), wherein the guide rail (21) is arranged on the base (1), the positioning seat (22) is arranged on the guide rail (21), and the positioning seat (22) can slide along the length direction of the guide rail (21), the positioning seat (22) is provided with a fixing groove, the front fork vertical tube (100) is placed in the fixing groove, the clamping assembly is arranged on the positioning seat (22), and the clamping assembly is used to clamp the front fork vertical tube (100) so that the front fork vertical tube (100) is fixed relative to the fixing groove.

7. The bicycle front fork welding clamping device according to claim 6, characterized in that: The clamping assembly comprises a second motor (23), a connecting rod (24), a support rod (25) and a clamping block (26); the second motor (23) is arranged on the positioning seat (22), and the output end of the second motor (23) is connected to one end of the connecting rod (24); the clamping block (26) is rotatably connected to the other end of the connecting rod (24); one end of the support rod (25) is connected to the positioning seat (22), and the other end of the support rod (25) is connected to the clamping block (26); under the action of the second motor (23), the connecting rod (24) drives the clamping block (26) to rotate relative to the support rod (25), so that the clamping block (26) can clamp the front fork vertical tube (100) in the fixing groove.

8. The bicycle front fork welding clamping device according to claim 6, characterized in that: The bicycle front fork welding clamping device further comprises a fixing assembly (6), wherein the fixing assembly (6) comprises a fixing pin (61) and a positioning frame (62), wherein the positioning frame (62) is arranged on the positioning seat (22), and the bicycle front fork further comprises a sleeve (400) and a fork shoulder (500), wherein the sleeve (400) is connected to the front fork vertical tube (100), and the fork shoulder (500) is connected to the sleeve (400) and the upper fork (200), wherein the sleeve (400) and the fork shoulder (500) are both provided with mounting holes, and the positioning frame (62) is provided with a connecting hole, wherein the fixing pin (61) is passed through the connecting hole and connected to the mounting hole.

9. The bicycle front fork welding clamping device according to claim 1, characterized in that: The bicycle front fork welding clamping device also includes a clamping assembly (7), the clamping assembly (7) includes a third motor (71) and a clamping rod (72), the third motor (71) is arranged on the base (1), the output end of the third motor (71) is connected to the clamping rod (72), and the clamping rod (72) can be extended and retracted and pressed against the fork tube (201) under the action of the third motor (71).

10. The bicycle front fork welding clamping device according to claim 1, characterized in that: The bicycle front fork welding clamping device also includes a positioning assembly (8), the positioning assembly (8) includes a third hand-cranked wheel (81), a third fixed frame (82), a third screw rod (83), a fixed rod (84) and a moving rod (85), the third fixed frame (82) is arranged on the base (1), the fixed rod (84) is fixedly connected to the third fixed frame (82), the third screw rod (83) is rotatably arranged on the third fixed frame (82), the third hand-cranked wheel (81) is connected to one end of the third screw rod (83), the other end of the third screw rod (83) is connected to the fixed rod (84), the fixed rod (84) is abutted against one of the fork tubes (201), and the moving rod (85) is sleeved on the third screw rod (83) and can move along the axial direction of the third screw rod (83), so that the moving rod (85) can be tightly abutted against the other fork tube (201).

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