CN212734781U - Spot welding tool for bicycle frame - Google Patents

Abstract

The application relates to the field of bicycle accessory processing, in particular to a spot welding tool for a bicycle frame, which has the technical scheme that a first fixing piece for fixing a middle pipe, a second fixing piece for fixing an upper pipe and a lower pipe and a third fixing piece for fixing a head pipe are arranged on a workbench; the second fixing piece comprises two sets of positioning pieces, the two sets of positioning pieces are respectively used for fixing the upper pipe and the lower pipe, one set of positioning piece is located on two sides of the upper pipe and abuts against the outer wall of the upper pipe, and the other set of positioning piece is located on two sides of the lower pipe and abuts against the outer wall of the lower pipe. Well pipe, top tube, lower roll, head pipe are fixed a position respectively through first mounting, second mounting and third mounting for the location is more accurate, thereby can improve the precision after the frame welding, and then can improve the quality of frame.

Description

Spot welding tool for bicycle frame

Technical Field

The application relates to the field of bicycle accessory processing, in particular to a spot welding tool for a bicycle frame.

Background

The bicycle is the most traditional vehicle and has the characteristics of convenience, rapidness, energy conservation and environmental protection. At present, with the continuous improvement of the life quality of people and the continuous enhancement of the consciousness of environmental protection of people, bicycles are increasingly used in the life of people, and the bicycle becomes more and more popular with people as a life culture.

The frame is used as the framework of the whole bicycle, and the correctness and the comfort of the riding posture are determined and influenced to the maximum extent.

Referring to fig. 1, the bicycle frame includes a head pipe 1, an upper pipe 2, a lower pipe 3, and a middle pipe 4, wherein a side surface of the head pipe 1 is connected to a front end of the upper pipe 2 and a front end of the lower pipe 3, and a side surface of the middle pipe 4 is connected to a rear end of the upper pipe 2 and a rear end of the lower pipe 3. When welding the bicycle frame, need adopt artifical handheld mode to fix into frame shape rear with head pipe 1, top tube 2, low tube 3, well pipe 4 and can weld.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the frame is fixed in a manual handheld mode, time and labor are wasted, the positioning is easy to be inaccurate, and the accuracy of the welded frame cannot be guaranteed, so that the quality of the frame is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the quality of frame, this application provides a spot welding frock for bicycle frame.

The application provides a pair of spot welding frock of bicycle frame adopts following technical scheme:

a spot welding tool for a bicycle frame comprises a head pipe, an upper pipe, a lower pipe and a middle pipe, and comprises a workbench, wherein a first fixing piece for fixing the middle pipe, a second fixing piece for fixing the upper pipe and the lower pipe and a third fixing piece for fixing the head pipe are arranged on the workbench;

the second fixing piece comprises two sets of positioning pieces, the two sets of positioning pieces are used for fixing the upper pipe and the lower pipe respectively, one set of positioning pieces are located on two sides of the upper pipe and abut against the outer wall of the upper pipe, and the other set of positioning pieces are located on two sides of the lower pipe and abut against the outer wall of the lower pipe.

Through adopting above-mentioned technical scheme, when needs weld the bicycle frame, fix well pipe through first mounting, and make top tube and low tube offset with the setting element that corresponds, fix top tube and low tube, and make the rear end of top tube and the rear end of low tube all offset with the lateral wall of well pipe, then fix the head pipe through the third mounting, make the front end of top tube and the front end of low tube all offset with the lateral wall of head pipe, thereby can be with the head pipe, the top tube, low tube and well pipe are fixed into the frame shape, thereby be convenient for weld the frame.

Well pipe, top tube, lower roll, head pipe are fixed a position respectively through first mounting, second mounting and third mounting for the location is more accurate, thereby can improve the precision after the frame welding, and then can improve the quality of frame.

Preferably, the set of positioning elements comprises two first fixing plates and two second fixing plates, the two first fixing plates are arranged at two ends of the upper pipe along the axial direction of the upper pipe respectively, the second fixing plate is arranged between the two first fixing plates, the two first fixing plates are arranged on the same side of the upper pipe along the radial direction of the upper pipe, and the second fixing plate is arranged on the other side of the upper pipe along the radial direction of the upper pipe;

the workbench is provided with a plurality of slide rails, the slide rails are arranged along the width direction of the workbench, and the first fixing plate and the second fixing plate are arranged on the corresponding slide rails in a sliding manner.

By adopting the technical scheme, the upper pipe is arranged between the first fixing plate and the second fixing plate, and the first fixing plate and the second fixing plate are respectively positioned at two sides of the upper pipe, so that the upper pipe can be positioned, and the quality of the frame can be further improved;

on the other hand, first fixed plate and second fixed plate slide to set up on the slide rail that corresponds, are convenient for adjust the position between first fixed plate and the second fixed plate to can fix a position the pipe fitting of different size of a dimension.

Preferably, the first fixing plate is provided with a butt plate for supporting the upper pipe, the first fixing plate is provided with a first waist-shaped hole in a penetrating manner, the long axis of the first waist-shaped hole is arranged in the vertical direction, the butt plate is provided with a positioning hole corresponding to the first waist-shaped hole, and the first waist-shaped hole and the positioning hole are internally provided with a positioning bolt in a penetrating manner.

Through adopting above-mentioned technical scheme, the butt board can play the effect of support to the upper tube, and the butt board passes through positioning bolt to be fixed on first fixed plate, is convenient for adjust the position of butt board.

Preferably, first mounting is including setting up the U-shaped frame that just is used for placing well pipe on the workstation, the U-shaped frame is provided with two and sets up respectively at well pipe along self axial both ends.

Through adopting above-mentioned technical scheme, well pipe is placed on the U-shaped frame, can play the effect of location to well pipe to can further improve frame welded precision, and then can improve the quality of frame.

Preferably, limiting plates are arranged on the workbench and positioned at two axial ends of the middle pipe along the workbench.

Through adopting above-mentioned technical scheme, the setting of limiting plate can play spacing effect to well pipe, further plays fixed effect to the well pipe to can further improve frame welded precision, and then can improve the quality of frame.

Preferably, the third fixing part comprises a fixing seat, a groove for placing the head pipe is formed in the fixing seat, the groove extends to the side wall, close to the first fixing plate, of the fixing seat, and a fixing part for fixing the head pipe is arranged on the fixing seat.

Through adopting above-mentioned technical scheme, the head pipe is placed in the recess, can play fixed effect to the head pipe, and can further play fixed effect to the head pipe through the mounting to frame welded precision and quality can further be improved.

Preferably, the fixing base is provided with a connecting block in a rotating mode, the top surface of the connecting block penetrates through and is provided with a mounting hole, the fixing piece comprises a fixing rod arranged in the mounting hole, the bottom end of the fixing rod penetrates out of the mounting hole to be abutted against a head pipe, and the mounting hole is provided with an elastic piece used for applying elastic acting force towards the direction of the groove to the fixing rod.

Through adopting above-mentioned technical scheme, under the initial condition, the dead lever offsets with the top of fixing base, and the elastic component is compressed. When needs are fixed to the head pipe, rotate the connecting block, when the dead lever rotated the top to the head pipe, the dead lever moved down under the elastic action of elastic component for the dead lever offsets with the head pipe, can fix the head pipe, thereby can further improve frame welded precision and quality.

Preferably, a rubber pad is arranged at the bottom end of the fixing rod.

Through adopting above-mentioned technical scheme, the setting of rubber pad can prevent that dead lever and head pipe direct contact from causing the damage to the head pipe to can improve the quality of head pipe, thereby can further improve the quality of frame.

Preferably, be provided with the backup pad on the workstation, the fixing base sets up in the backup pad, be provided with the fixed block in the backup pad, the top surface of fixed block runs through and is provided with second waist type hole, the major axis in second waist type hole sets up along workstation width direction, be provided with a plurality of connecting holes corresponding with second waist type hole on the top surface of workstation, second waist type hole wears to be equipped with fixing bolt in with the connecting hole jointly.

Through adopting above-mentioned technical scheme, the backup pad passes through the fixed block to be fixed on the workstation, the installation and the dismantlement of the backup pad of being convenient for, and the position of the regulation backup pad of being convenient for.

Preferably, the supporting plate is provided with a driving part for driving the fixing seat to be arranged along the length direction of the workbench.

Through adopting above-mentioned technical scheme, the fixing base removes under the drive effect of driving piece for the head pipe supports tightly with the front end of top tube and low tube, thereby can further improve frame welded precision and quality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the middle pipe, the upper pipe, the lower roller and the head pipe are respectively positioned through the first fixing piece, the second fixing piece and the third fixing piece, and the upper pipe and the lower pipe are tightly propped by the corresponding positioning pieces, so that the positioning is accurate, the accuracy of the welded frame can be improved, and the quality of the frame can be improved;

2. through the arrangement of the U-shaped frame and the limiting plate, the middle pipe can be positioned, so that the welding precision of the frame can be further improved, and the quality of the frame can be further improved;

3. through the setting of fixing base, recess, dead lever, can fix the head pipe to frame welded precision and quality can further be improved.

Drawings

FIG. 1 is a schematic structural view of a bicycle frame illustrated in the background of the present application;

FIG. 2 is a schematic view of the overall structure of the spot welding tool and the bicycle frame shown in the embodiment of the application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a spot welding tool shown in an embodiment of the present application;

FIG. 5 is an enlarged view of portion C of FIG. 4;

fig. 6 is an enlarged view of a portion B in fig. 2.

Description of reference numerals: 1. a head pipe; 2. feeding a pipe; 3. a lower pipe; 4. a middle tube; 5. a work table; 6. a first fixing member; 61. a U-shaped frame; 62. a guide rail; 63. a connecting plate; 64. a limiting plate; 65. horizontal quick clamp; 651. a base; 652. a connecting rod; 653. a drive handle; 654. a connecting frame; 655. a chuck; 7. a second fixing member; 71. a positioning member; 711. a first fixing plate; 712. a second fixing plate; 713. a butt joint plate; 714. a first kidney-shaped hole; 715. positioning the bolt; 72. a slide rail; 8. a third fixing member; 81. a fixed seat; 82. a groove; 83. connecting blocks; 84. mounting holes; 85. fixing the rod; 86. a rubber pad; 87. a ring groove; 88. a limiting ring; 89. a spring; 9. a support plate; 91. a fixed block; 92. a second kidney-shaped hole; 93. fixing the bolt; 94. a push-pull type elbow clip; 941. positioning seats; 942. a rotating plate; 943. a linkage rod; 944. a drive rod; 945. a drive handle; 946. a retaining ring.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses a spot welding frock for bicycle frame. Referring to fig. 2, the bicycle frame includes a head pipe 1, an upper pipe 2, a lower pipe 3, and a middle pipe 4, wherein a side surface of the head pipe 1 is connected to a front end of the upper pipe 2 and a front end of the lower pipe 3, and a side surface of the middle pipe 4 is connected to a rear end of the upper pipe 2 and a rear end of the lower pipe 3.

Referring to fig. 2, the spot welding tool includes a worktable 5, and the worktable 5 is provided with a first fixing member 6 for fixing the middle pipe 4, a second fixing member 7 for fixing the upper pipe 2 and the lower pipe 3, and a third fixing member 8 for fixing the head pipe 1.

Referring to fig. 2 and 3, the first fixing member 6 includes a U-shaped frame 61 provided on the table 5 for placing the middle tube 4, and the U-shaped frame 61 is provided in two. Be provided with guide rail 62 on the workstation 5, guide rail 62 sets up along the width direction of workstation 5, and two U-shaped framves 61 all slide and set up on guide rail 62, and two U-shaped framves 61 are to be provided with connecting plate 63 on the lateral wall that sets up mutually away mutually, and connecting plate 63 passes through the bolt and is in the same place fixed with guide rail 62 to can firmly fix U-shaped frame 61.

Referring to fig. 3, on the guide rail 62 and being located well pipe 4 and all sliding along self axial both ends and being provided with limiting plate 64, limiting plate 64 can play spacing effect to well pipe 4, and limiting plate 64 is the setting of L shape, and limiting plate 64 passes through the bolt fastening on guide rail 62.

Referring to fig. 3, a horizontal quick clamp 65 for fixing the middle tube 4 is arranged on the workbench 5, the horizontal quick clamp 65 includes a base 651, a driving handle 653, a connecting rod 652, a connecting frame 654 and a clamping head 655, the base 651 is arranged on the workbench 5, one end of the driving handle 653 is hinged to the connecting rod 652, one end of the connecting rod 652, which is far away from the driving handle 653, is hinged to the base 651, the connecting frame 654 is U-shaped, an opening of the connecting frame 654 is arranged toward the driving handle 654, the connecting frame 653 is hinged to the base 651 and the driving handle 653, the clamping head 655 is fixedly arranged at one end of the connecting frame 654, which is far away from the driving handle 653, and the clamping head 655 abuts against the top of the middle tube 4, so as to firmly fix the middle tube.

Referring to fig. 2 and 3, the second fixing member 7 includes two sets of positioning members 71, the two sets of positioning members 71 are respectively used for fixing the upper pipe 2 and the lower pipe 3, one set of positioning members 71 is located on two sides of the upper pipe 2 and respectively abuts against an outer wall of the upper pipe 2, the other set of positioning members 71 is located on two sides of the lower pipe 3 and abuts against an outer wall of the lower pipe 3, and the two sets of positioning members 71 have the same structure.

Referring to fig. 2 and 3, taking one of the positioning members 71 as an example, the positioning member 71 includes a first fixing plate 711 and a second fixing plate 712, the first fixing plate 711 and the second fixing plate 712 are both disposed in an L shape, the first fixing plate 711 is disposed at two ends of the upper tube 2 along its own axial direction, the second fixing plate 712 is disposed between the two first fixing plates 711, the two first fixing plates 711 are disposed at the same side of the upper tube 2 along its own radial direction, and the second fixing plate 712 is disposed at the other side of the upper tube 2 along its own radial direction, so as to limit the position of the upper tube 2 and fix the upper tube 2.

Referring to fig. 2 and 3, an abutting plate 713 for supporting the upper pipe 2 is disposed on the first fixing plate 711, a first waist-shaped hole 714 is disposed on the first fixing plate 711 in a penetrating manner, a long axis of the first waist-shaped hole 714 is disposed in a vertical direction, a positioning hole corresponding to the first waist-shaped hole 714 is disposed on the abutting plate 713, a positioning bolt 715 penetrates through the first waist-shaped hole 714 and the positioning hole together, so that the abutting plate 713 can move up and down, and the abutting plate 713 and the first fixing plate 711 can be fixed together by the positioning bolt 715.

Referring to fig. 2 and 3, three sliding rails 72 are disposed on the workbench 5, the sliding rails 72 are disposed along the width direction of the workbench 5, and the first fixing plate 711 and the second fixing plate 712 are slidably disposed on the corresponding sliding rails 72, respectively, so that the positions of the first fixing plate 711 and the second fixing plate 712 can be adjusted, the upper pipe 2 can be positioned, and the first fixing plate 711 and the second fixing plate 712 are fixed on the corresponding sliding rails 72 by bolts.

Referring to fig. 4 and 5, the third fixing member 8 includes a fixing seat 81, a groove 82 for placing the head pipe 1 (refer to fig. 2) is formed in the fixing seat 81, the groove 82 extends to a side wall of the fixing seat 81 close to the first fixing plate 711, a connecting block 83 is rotatably disposed on the fixing seat 81 through a bolt, and a mounting hole 84 is formed in a top surface of the connecting block 83 in a penetrating manner. Be provided with the mounting that is used for fixed head pipe 1 on the connecting block 83, specifically, the mounting is including setting up dead lever 85 in mounting hole 84, and the mounting hole 84 is worn out to the bottom of dead lever 85 and is connected with rubber pad 86, and the bottom and the head pipe 1 of rubber pad 86 offset.

Referring to fig. 5, a ring groove 87 is formed in the side wall of the mounting hole 84 along the circumferential direction, a limiting ring 88 is sleeved on the fixing rod 85 and located in the ring groove 87, an elastic member is arranged in the mounting hole 84, specifically, the elastic member is a spring 89 sleeved on the fixing rod 85, one end of the spring 89 is connected with the limiting ring 88, and the other end of the spring 89 is connected with the ring groove 87.

Referring to fig. 5, in the initial state, the fixing lever 85 abuts against the top end of the fixing base 81, and the spring 89 is compressed. When the head pipe 1 (see fig. 2) needs to be fixed, the connecting block 83 is rotated, and when the fixing rod 85 is rotated to the upper side of the head pipe 1, the fixing rod 85 moves downward under the elastic action of the spring 89, so that the rubber pad 86 abuts against the head pipe 1, and the head pipe 1 can be fixed.

Referring to fig. 4, a supporting plate 9 is arranged on the workbench 5, the fixing seat 81 is arranged on the supporting plate 9, a fixing block 91 is arranged on the workbench 5 in a rotating mode, a second waist-shaped hole 92 is formed in the top surface of the fixing block 91 in a penetrating mode, the long axis of the second waist-shaped hole 92 is arranged along the length direction of the fixing block 91, a plurality of connecting holes corresponding to the second waist-shaped hole 92 are formed in the top surface of the workbench 5, a fixing bolt 93 is arranged in the second waist-shaped hole 92 and the connecting holes in a penetrating mode, the position of the supporting plate 9 is convenient to adjust, and installation and disassembly of the supporting plate.

Referring to fig. 4 and 6, a driving member for driving the fixing seat 81 to be disposed along the length direction of the working platform 5 is disposed on the supporting plate 9, specifically, the driving member is a push-pull type toggle clamp 94, the push-pull type toggle clamp 94 includes a positioning seat 941 and a rotating plate 942, gangbar 943, actuating lever 944 and transmission handle 945, positioning seat 941 sets up on workstation 5, be provided with the holding ring 946 that supplies actuating lever 944 to slide the setting on the positioning seat 941, the one end of actuating lever 944 is worn out holding ring 946 and is connected with fixing base 81, the other end of actuating lever 944 is worn out holding ring 946 and is articulated mutually with gangbar 943, the one end that actuating lever 944 was kept away from to the gangbar 943 is articulated mutually with transmission handle 945 and rotor plate 942, the one end that transmission handle 945 was kept away from to the rotor plate 942 is articulated mutually with positioning seat 941, can drive actuating lever 944 and the slip of fixing base 81, and can firmly fix fixing base 81.

The implementation principle of the spot welding tool for the bicycle frame in the embodiment of the application is as follows:

when spot welding is required, the middle pipe 4 is placed on the U-shaped frame 61, so that the two limiting plates 64 are respectively abutted against the two ends of the middle pipe 4 along the axial direction of the middle pipe, and the middle pipe 4 is fixed through the horizontal quick clamp 65; then, the upper tube 2 and the lower tube 3 are respectively placed between the corresponding first fixing plate 711 and second fixing plate 712, and the upper tube 2 and the lower tube 3 are both abutted against the side wall of the middle tube 4.

After fixing upper tube 2 and low tube 3, place head pipe 1 in recess 82, rotation connecting block 83, when dead lever 85 rotated the top to head pipe 1, dead lever 85 moved down under the spring action of spring 89 for rubber pad 86 offsets with head pipe 1, can fix head pipe 1.

After fixing head pipe 1, fixing base 81 moves under the driving action of plug-type elbow clamp 94 for the lateral wall of head pipe 1 offsets with upper tube 2 and low tube 3, thereby can fix head pipe 1, upper tube 2, low tube 3 and well pipe 4, the welding of being convenient for.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a spot welding frock for bicycle frame, this bicycle frame include head pipe (1), top tube (2), low tube (3) and well pipe (4), and this spot welding frock includes workstation (5), its characterized in that: a first fixing piece (6) for fixing the middle pipe (4), a second fixing piece (7) for fixing the upper pipe (2) and the lower pipe (3) and a third fixing piece (8) for fixing the head pipe (1) are arranged on the workbench (5);

the second fixing part (7) comprises two sets of positioning parts (71), the two sets of positioning parts (71) are used for fixing the upper pipe (2) and the lower pipe (3) respectively, one set of positioning parts (71) are located on two sides of the upper pipe (2) and abut against the outer wall of the upper pipe (2), and the other set of positioning parts (71) are located on two sides of the lower pipe (3) and abut against the outer wall of the lower pipe (3).

2. The spot welding tool for the bicycle frame as claimed in claim 1, wherein: the group of positioning pieces (71) comprises first fixing plates (711) and second fixing plates (712), the first fixing plates (711) are provided with two ends which are respectively arranged at two ends of the upper pipe (2) along the self axial direction, the second fixing plates (712) are arranged between the two first fixing plates (711), the two first fixing plates (711) are arranged at the same side of the upper pipe (2) along the self radial direction, and the second fixing plates (712) are arranged at the other side of the upper pipe (2) along the self radial direction;

the workbench (5) is provided with a plurality of sliding rails (72), the sliding rails (72) are arranged along the width direction of the workbench (5), and the first fixing plate (711) and the second fixing plate (712) are arranged on the corresponding sliding rails (72) in a sliding manner.

3. The spot welding tool for the bicycle frame as claimed in claim 2, wherein: the supporting device is characterized in that a supporting plate (713) used for supporting the upper pipe (2) is arranged on the first fixing plate (711), a first waist-shaped hole (714) penetrates through the first fixing plate (711), a long shaft of the first waist-shaped hole (714) is arranged in the vertical direction, a positioning hole corresponding to the first waist-shaped hole (714) is formed in the supporting plate (713), and a positioning bolt (715) penetrates through the first waist-shaped hole (714) and the positioning hole together.

4. The spot welding tool for the bicycle frame as claimed in claim 1, wherein: first mounting (6) are including setting up U-shaped frame (61) on workstation (5) and being used for placing well pipe (4), U-shaped frame (61) are provided with two and set up respectively at well pipe (4) along self axial both ends.

5. The spot welding tool for the bicycle frame as claimed in claim 4, wherein: limiting plates (64) are arranged on the workbench (5) and located at two ends of the middle pipe (4) in the axial direction of the middle pipe.

6. The spot welding tool for the bicycle frame as claimed in claim 1, wherein: third mounting (8) are including fixing base (81), be provided with recess (82) that are used for placing head pipe (1) on fixing base (81), recess (82) extend on fixing base (81) are close to the lateral wall of first fixed plate (711), be provided with the mounting that is used for fixed head pipe (1) on fixing base (81).

7. The spot welding tool for the bicycle frame as claimed in claim 6, wherein: the fixing seat (81) is provided with a connecting block (83) in a rotating mode, the top face of the connecting block (83) penetrates through and is provided with a mounting hole (84), the fixing piece comprises a fixing rod (85) arranged in the mounting hole (84), the bottom end of the fixing rod (85) penetrates out of the mounting hole (84) to be abutted against the head pipe (1), and the mounting hole (84) is provided with an elastic piece used for applying elastic acting force towards the direction of the groove (82) to the fixing rod (85).

8. The spot welding tool for the bicycle frame as claimed in claim 7, wherein: the bottom end of the fixed rod (85) is provided with a rubber pad (86).

9. The spot welding tool for the bicycle frame as claimed in claim 6, wherein: be provided with backup pad (9) on workstation (5), fixing base (81) set up in backup pad (9), be provided with fixed block (91) on backup pad (9), the top surface of fixed block (91) runs through and is provided with second waist type hole (92), the major axis in second waist type hole (92) sets up along workstation (5) width direction, be provided with a plurality of connecting holes corresponding with second waist type hole (92) on the top surface of workstation (5), second waist type hole (92) wear to be equipped with fixing bolt (93) with the connecting hole in jointly.

10. The spot welding tool for the bicycle frame as claimed in claim 9, wherein: the supporting plate (9) is provided with a driving piece for driving the fixing seat (81) to be arranged along the length direction of the workbench (5).

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