CN215143994U - Bicycle frame stamping die auxiliary device - Google Patents

Abstract

The utility model belongs to the technical field of stamping die and specifically relates to a bicycle frame stamping die auxiliary device, it includes the stamping die body, can dismantle on the stamping die body and be connected with down the module, the low groove has been seted up at lower module top, can dismantle on the stamping die body and be connected with and lift material mechanism, it includes extensible member and supporting component to lift material mechanism, the extensible member is connected in the stamping die body and is close to module department down, the vertical setting of extensible member flexible direction, supporting component links to each other with the extensible member is fixed, a supporting component for upwards lifting up the pipe fitting is located module top down. Outside supporting component was located to this application pipe fitting cover, after the pipe fitting punching press was accomplished, the pipe fitting was removed towards the direction of keeping away from module down to the extensible member, and extensible member and supporting component upwards lift the pipe fitting to make pipe fitting and lower module break away from, needn't operating personnel lift up the pipe fitting, have the effect that improves the pipe fitting and get the material convenience.

Description

Bicycle frame stamping die auxiliary device

Technical Field

The application relates to the field of stamping dies, in particular to a bicycle frame stamping die auxiliary device.

Background

In the production and processing process of the bicycle frame, the raw material pipe is required to be punched into a pipe fitting with a required shape according to the production requirement of bicycle models.

Referring to fig. 1, a conventional stamping die body 1 includes a lower die base 11, a guide rod 12, an upper die base 13 and a driving member 14, the lower die base 11 is vertically disposed, the guide rod 12 is fixedly connected to the top of the lower die base 11, the upper die base 13 is sleeved on the guide rod 12 and vertically connected to the guide rod 12 in a sliding manner, a driving piece 14 for driving the upper die holder 13 to ascend and descend is fixedly connected to the top of the guide rod 12, the top of the lower die holder 11 is detachably connected with a lower die block 111, the bottom of the upper die holder 13 is detachably connected with an upper die block 131, the lower die block 111 and the upper die block 131 are vertically arranged oppositely and matched for use, and one side of the upper module 131 and one side of the lower module 111, which are close to each other, are respectively provided with an upper groove 1311 and a lower groove 1111, when the frame pipe 5 is processed, the pipe 5 is placed in the lower groove 1111 of the lower module 111, the driving member 14 is activated, the driving member 14 drives the upper die holder 131 and the upper module 1311 to move downwards, and the upper module 1311 extrudes the pipe 5 to punch the pipe 5 into the pipe 5 with a desired shape.

In view of the above related art, the inventor thinks that after the upper module extrudes the pipe, the pipe is located in the lower groove of the lower module, and an operator needs to forcibly lift the pipe located in the lower groove and then take the pipe down, so that the defect that the convenience of taking the pipe is poor exists.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience that the material was got to the pipe fitting, this application provides a bicycle frame stamping die auxiliary device.

The application provides a pair of bicycle frame stamping die auxiliary device adopts following technical scheme:

the utility model provides a bicycle frame stamping die auxiliary device, including the stamping die body, can dismantle on the stamping die body and be connected with down the module, the low groove has been seted up at lower module top, can dismantle on the stamping die body and be connected with and lift material mechanism, it includes extensible member and supporting component to lift material mechanism, the extensible member is connected in the stamping die body and is close to module department down, the vertical setting of extensible member flexible direction, supporting component and extensible member are fixed continuous for the supporting component who upwards lifts up the pipe fitting is located lower module top.

Through adopting above-mentioned technical scheme, when the pipe fitting carries out the punching press, locate the supporting component with the pipe fitting cover outside, the stamping die body presses the pipe fitting in the low groove of module down, and after the pipe fitting punching press was accomplished, the extensible member removed the pipe fitting towards the direction of keeping away from module down, and extensible member and supporting component upwards lift the pipe fitting to make pipe fitting and module break away from down, needn't operating personnel lift up the pipe fitting, improved the convenience that the pipe fitting got the material.

Optionally, the support assembly includes a support tube, a sleeve and a positioning bolt, the support tube is fixedly connected with the extensible member and is used for being inserted into the support tube arranged in the pipe fitting and located above the lower module, the sleeve is sleeved on the support tube, one end of the extensible member is far away from the support tube and is connected with the support tube in a sliding manner, the positioning bolt is connected to the sleeve in a threaded manner, and the positioning bolt penetrates through the sleeve and is abutted to the support tube.

Through adopting above-mentioned technical scheme, according to pipe fitting production needs adjust supporting component's length, move the sleeve pipe towards the direction that is close to or keeps away from the stay tube, adjust the stay tube and insert the intraductal length of sleeve, screw positioning bolt afterwards, positioning bolt and the inseparable butt of stay tube to it is fixed with stay tube and sleeve pipe, thereby is applicable to the pipe fitting of different length, improves supporting component's suitability.

Optionally, the sleeve is provided with a damping piece, the damping piece comprises a damping spring and a stop block, the damping spring is fixedly connected to one end, away from the supporting tube, of the sleeve, the telescopic direction of the damping spring is parallel to the pipe fitting, and the stop block is fixedly connected to one end, away from the sleeve, of the damping spring.

Through adopting above-mentioned technical scheme, the pipe fitting carries out the punching press, when locating the pipe fitting cover on the supporting component, in the dog inserted the pipe fitting earlier, when the pipe fitting bumps with the dog, damping spring compression, damping spring take place elastic deformation can weaken the pipe fitting to the impact in the twinkling of an eye of supporting component, have the effect of buffering, improve the protectiveness to supporting component and pipe fitting.

Optionally, be provided with fixed establishment on the extensible member, fixed establishment includes fixed block and fixing bolt, the fixed block rigid coupling is close to stamping die body one end in the extensible member, the stamping die body just has seted up the spout to fixed block department, the spout extends towards keeping away from the lower module direction, the fixed block is located the spout and slides with the stamping die body and is connected for be fixed in the fixed bolt threaded connection on the stamping die body with the fixed block on the fixed block.

Through adopting above-mentioned technical scheme, when installing the extensible member on the stamping die body, insert the spout with the fixed block in, according to the model of pipe fitting and the length of lower module, towards the direction that is close to or keeps away from lower module and remove the fixed block, after the position of fixed block is confirmed, the fixing bolt of screwing, on fixing bolt is fixed in the stamping die body with the fixed block, improved the convenience that the dismouting of lifting material mechanism was changed.

Optionally, an auxiliary mechanism is arranged between the supporting assembly and the fixed block, the auxiliary mechanism comprises a fixed pipe and a telescopic pipe, the fixed pipe is detachably connected onto the fixed block, the fixed pipe is parallel to the telescopic direction of the telescopic piece, the telescopic pipe is inserted into the fixed pipe and connected with the fixed pipe in a sliding manner, and one end of the telescopic pipe, far away from the fixed pipe, is fixedly connected with the supporting assembly.

Through adopting above-mentioned technical scheme, when the pipe fitting arranged in the stamping die body on the stamping process, when the extensible member removed the pipe fitting, flexible pipe was located fixed intraductal and with fixed pipe vertical slip, and flexible pipe leads the extensible member, has weakened the degree that the extensible member removed the pipe fitting in-process and has taken place to rock, has improved the stability that the pipe fitting removed.

Optionally, the fixing pipe is fixedly connected with a wing plate close to the fixing block, the wing plate is abutted to the fixing block, an open hole is formed in the wing plate and penetrates through the wing plate, the opening direction of the open hole is perpendicular to the opening direction of the sliding groove, a locking bolt is arranged on the fixing block and penetrates through the open hole and is in threaded connection with the fixing block.

Through adopting above-mentioned technical scheme, according to the position of the pipe fitting of different models and lower module regulation fixed pipe and supporting component, the locking bolt of unscrewing, the position of the fixed pipe of removal, the locking bolt is located the uncovered hole and takes place relative slip with the pterygoid lamina, when supporting component is located the lower groove directly over, the locking bolt of screwing, the locking bolt is fixed pterygoid lamina and fixed block, is applicable to the pipe fitting and the lower module of different models, has improved the suitability of using.

Optionally, a guide groove is formed in the fixed pipe, the guide groove is vertically formed, the telescopic pipe is fixedly connected with a guide block right facing the guide groove, and the guide block is located in the guide groove and connected with the fixed pipe in a sliding mode.

Through adopting above-mentioned technical scheme, the in-process that the extensible member lifts up the pipe fitting, the guide block is located the guide way and takes place relative slip with fixed pipe, and the guide block is spacing to flexible pipe and extensible member removal, has weakened the degree that the extensible member takes place to rotate, has weakened the degree that supporting component takes place to rock, has improved the stability that the pipe fitting removed.

Optionally, the guide block is rotatably connected with a rotating rod, and the rotating rod is in rolling contact with the fixed pipe.

Through adopting above-mentioned technical scheme, the in-process that extensible member and supporting component removed the pipe fitting, the dwang rotates, dwang and fixed pipe rolling contact, and the dwang has reduced the frictional force between guide block and the fixed pipe, has weakened the frictional resistance that guide block and flexible pipe removal in-process received, has improved the convenience that material lifting mechanism removed the pipe fitting.

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

1. by arranging the material lifting mechanism, the telescopic piece moves the pipe fitting towards the direction far away from the lower module, so that the pipe fitting is conveniently separated from the lower module, and the effect of improving the material taking convenience of the pipe fitting is achieved;

2. by arranging the auxiliary mechanism, the telescopic pipe vertically slides along the fixed pipe and guides the telescopic part, so that the effect of improving the movement stability of the pipe fitting is achieved;

3. through setting up the dwang, when the guide block removed along the guide way, dwang and fixed pipe rolling contact have reduced the frictional resistance that flexible pipe received, have produced the effect of lifting material mechanism and removing the pipe fitting convenience.

Drawings

FIG. 1 is a background art drawing of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application;

FIG. 3 is a partial schematic view showing the support assembly highlighted;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a stamping die body; 11. a lower die holder; 111. a lower module; 1111. a lower groove; 12. a guide bar; 13. an upper die holder; 131. an upper module; 1311. an upper groove; 14. a drive member; 15. a chute; 2. a material lifting mechanism; 21. a telescoping member; 22. a support assembly; 221. supporting a tube; 222. a sleeve; 223. positioning the bolt; 224. a shock absorbing member; 2241. a damping spring; 2242. a stopper; 3. a fixing mechanism; 31. a fixed block; 32. fixing the bolt; 4. an auxiliary mechanism; 41. a fixed tube; 411. a guide groove; 42. a wing plate; 421. opening the hole; 43. locking the bolt; 44. a telescopic pipe; 441. a guide block; 4411. a strut; 4412. rotating the rod; 5. a pipe fitting.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses bicycle frame stamping die auxiliary device. Referring to fig. 2, a bicycle frame stamping die auxiliary device is including the stamping die body 1 that is used for 5 punching presses of pipe fitting, fixed establishment 3 and material lifting mechanism 2, fixed establishment 3 can dismantle to be connected in stamping die body 1 and be close to pipe fitting 5 department, material lifting mechanism 2 can dismantle to be connected on fixed establishment 3, the cover is located before the punching press of pipe fitting 5 and is lifted on material lifting mechanism 2, material lifting mechanism 2 removes pipe fitting 5, make pipe fitting 5 break away from with stamping die body 1, needn't operating personnel lift up pipe fitting 5, the convenience of the material is got to pipe fitting 5 has been improved.

Referring to fig. 2, the stamping die body 1 includes a lower die holder 11, a guide rod 12, an upper die holder 13 and a driving part 14, the lower die holder 11 is vertically arranged, the guide rod 12 is fixedly connected to a corner of the top of the lower die holder 11, the upper die holder 13 is sleeved on the guide rod 12 and is vertically connected with the guide rod 12 in a sliding manner, the driving part 14 for driving the upper die holder 13 to ascend and descend is fixedly connected to the top of the guide rod 12, the top of the lower die holder 11 is detachably connected with a lower die block 111, the bottom of the upper die holder 13 is detachably connected with an upper die block 131, the lower die block 111 and the upper die block 131 are vertically arranged and matched, and an upper groove 1311 and a lower groove 1111 are respectively formed on one side of the upper die block 131 and the lower die block 111 which are close to each other; referring to fig. 3 and 4, a chute 15 is formed in the end portion of the lower die holder 11 close to the lower die block 111, the chute 15 is parallel to the lower die block 111, and the chute 15 is of an inverted T shape; the fixing mechanism 3 comprises a fixing block 31 and a fixing bolt 32, the fixing block 31 is I-shaped, the fixing block 31 is located in the sliding groove 15 and is connected with the lower die holder 11 in a horizontal sliding mode, the fixing bolt 32 is connected to the top of the fixing block 31 in a threaded mode, the fixing bolt 32 penetrates through the fixing block 31 and abuts against the lower die holder 11, and the lifting mechanism 2 is connected to the top of the fixing block 31.

When fixing mechanism 3 is installed on die holder 11, insert in spout 15 fixed block 31, remove fixed block 31 towards the direction that is close to lower module 111, the back is confirmed to fixed block 31's position, the fixing bolt 32 of screwing, fixing bolt 32 and the inseparable butt of die holder 11, thereby it is fixed with fixed block 31, be convenient for according to pipe fitting 5 and lower module 111's model, adjust the position of fixed block 31, the convenience of fixed block 31 position control and the convenience of 3 dismouting changes of fixing mechanism have been improved.

Referring to fig. 3 and 4, the material lifting mechanism 2 includes an expansion piece 21 and a support component 22, the expansion piece 21 is an expansion spring in this embodiment, the bottom of the expansion piece 21 is fixedly connected to the top of the fixed block 31, the expansion piece 21 is vertically arranged, the support component 22 includes a support pipe 221, a sleeve 222 and a positioning bolt 223, the support pipe 221 is fixedly connected to the top of the expansion piece 21, the support pipe 221 is located above the lower module 111, the support pipe 221 is parallel to the lower module 111, the sleeve 222 is sleeved on one end of the support pipe 221 far from the expansion piece 21, the sleeve 222 is horizontally connected with the support pipe 221 in a sliding manner, the positioning bolt 223 is in threaded connection with one end of the sleeve 222 close to the expansion piece 21, and the positioning bolt 223 penetrates through the sleeve 222 and abuts against the support pipe 221; be provided with damper 224 on the sleeve pipe 222, damper 224 includes damping spring 2241 and dog 2242, and damping spring 2241 is parallel with sleeve pipe 222, and the stay tube 221 one end is kept away from in sleeve pipe 222 to damping spring 2241 one end rigid coupling, and the sleeve pipe 222 one end is kept away from in damping spring 2241 to the dog 2242 rigid coupling, and damping spring 2241 one end is most advanced is kept away from to dog 2242.

According to the length of the pipe fitting 5, the length of the supporting component 22 is adjusted, the position of the sleeve 222 is moved, after the position of the sleeve 222 is determined, the positioning bolt 223 is screwed, the positioning bolt 223 is tightly abutted to the supporting pipe 221, and therefore the sleeve 222 is fixed, the pipe fitting is suitable for pipe fittings 5 with different lengths, and the use applicability of the supporting component 22 is improved; in the stamping process of the pipe 5, the pipe 5 is moved towards the direction close to the sleeve 222, the pipe 5 is sleeved outside the sleeve 222, the pipe 5 is firstly contacted with the stop 2242, and one end, far away from the damping spring 2241, of the stop 2242 is pointed, so that the collision probability of the pipe 5 and the stop 2242 is reduced, and the collision damage probability of the pipe 5 and the sleeve 222 is weakened; meanwhile, when the pipe fitting 5 collides with the stopper 2242 and the sleeve 222, the damping spring 2241 elastically deforms, so that the instant impact force of the pipe fitting 5 on the sleeve 222 can be effectively relieved, and the protection of the pipe fitting 5 and the sleeve 222 is improved; the driving part 14 drives the upper die base 13 to move downwards, the upper die block 131 presses the pipe 5 downwards, meanwhile, the telescopic part 21 is compressed, the pipe 5 is located in the upper groove 1311 and the lower groove 1111, the pipe 5 is extruded into a required shape by the upper die block 131 and the lower die block 111, after stamping is completed, the driving part 14 drives the upper die base 13 and the upper die block 131 to move upwards, the telescopic part 21 extends and upwards pushes the supporting component 22 and the pipe 5, the telescopic part 21 enables the pipe 5 to be separated from the lower die block 111, the pipe 5 does not need to be lifted by an operator, and the convenience for taking the pipe 5 is improved.

Referring to fig. 3 and 4, an auxiliary mechanism 4 is arranged between the support component 22 and the fixed block 31, the auxiliary mechanism 4 includes a fixed pipe 41 and an extension pipe 44, the fixed pipe 41 is vertically arranged, the bottom of the fixed pipe 41 is fixedly connected with two wing plates 42, the two wing plates 42 are respectively located at two opposite sides of the fixed pipe 41, the wing plates 42 are both perpendicular to the fixed pipe 41, the fixed pipe 41 is sleeved outside the extension member 21, the wing plates 42 are abutted against the top of the fixed block 31, the wing plates 42 are provided with open holes 421, the open holes 421 penetrate through the wing plates 42, the open holes 421 are provided in a direction perpendicular to the sliding grooves 15, the fixed block 31 is in threaded connection with locking bolts 43 at positions opposite to the open holes 421, and the locking threads penetrate through the open holes 421 and are abutted against the wing plates 42; the extension tube 44 is inserted into the fixed tube 41 and is connected with the fixed tube 41 in a vertically sliding manner, and the top of the extension tube 44 is fixedly connected with the support tube 221.

When the auxiliary mechanism 4 is installed, the fixed pipe 41 is placed at the top of the fixed block 31, the wing plate 42 is abutted to the top of the fixed block 31, the supporting component 22 is located right above the lower groove 1111, the locking bolt 43 is located in the open hole 421 and slides relative to the wing plate 42, so that the position of the supporting component 22 is finely adjusted, the locking bolt 43 is screwed, the wing plate 42 is fixed by the locking bolt 43, in the stamping process of the pipe fitting 5, when the telescopic part 21 stretches, the telescopic pipe 44 is located in the fixed pipe 41 and vertically slides with the fixed pipe 41, the telescopic pipe 44 guides the telescopic part 21 to stretch, the bending degree of the telescopic part 21 in the stretching process is weakened, and the stability of the lifting mechanism 2 for lifting the pipe fitting 5 upwards is improved.

Referring to fig. 4, a guide slot 411 is formed in the middle of the fixed pipe 41, the guide slot 411 is vertically formed, two guide slots 411 are formed, the two guide slots 411 penetrate through the side wall of the fixed pipe 41 and are oppositely arranged, the telescopic pipe 44 is fixedly connected with a guide block 441 opposite to the guide slot 411, the guide block 441 is located in the guide slot 411 and is vertically connected with the fixed pipe 41 in a sliding manner, supporting rods 4411 are fixedly connected to two sides of the guide block 441 close to the fixed pipe 41, the supporting rods 4411 are provided with a plurality of supporting rods 4411 which are vertically distributed at intervals, a rotating rod 4412 is rotatably connected to the supporting rod 4411, the rotating rod 4412 is horizontally arranged, and the rotating rod 4412 is in rolling contact with the fixed pipe 41.

In the process of extending and retracting the telescopic piece 21, the telescopic pipe 44 is positioned in the fixed pipe 41 and vertically slides along the fixed pipe 41, the guide block 441 vertically slides along the guide groove 411, the guide block 441 limits the telescopic pipe 44, the rotation degree of the telescopic pipe 44 in the moving process is weakened, meanwhile, the telescopic pipe 44 is limited, and the probability that the telescopic pipe 44 is upwards popped out and is separated from the fixed pipe 41 is reduced; meanwhile, the rotating rod 4412 rotates, so that the friction resistance of the extension tube 44 in the vertical moving process is weakened, and the moving convenience of the extension tube 44 and the moving convenience of the pipe fitting 5 by the material lifting mechanism 2 are improved.

The implementation principle of the auxiliary device for the bicycle frame stamping die in the embodiment of the application is as follows: when pipe fitting 5 carries out the punching press, locate support assembly 22 with pipe fitting 5 cover outside, driving piece 14 drive upper die base 13 and last module 131 downstream, go up module 131 and press pipe fitting 5 in the low groove 1111 of module 111 down, extensible member 21 compresses this moment, after the punching press of pipe fitting 5 was accomplished, extensible member 21 extends, extensible member 21 and support assembly 22 rebound pipe fitting 5, thereby make pipe fitting 5 break away from with module 111 down, needn't operating personnel lift up pipe fitting 5, the convenience of getting the material of pipe fitting 5 has been improved.

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 (8)

1. The utility model provides a bicycle frame stamping die auxiliary device, includes stamping die body (1), can dismantle on stamping die body (1) and be connected with down module (111), lower recess (1111), its characterized in that have been seted up at lower module (111) top: the stamping die is characterized in that a material lifting mechanism (2) is detachably connected to the stamping die body (1), the material lifting mechanism (2) comprises an extensible member (21) and a supporting component (22), the extensible member (21) is connected to the stamping die body (1) and is close to the lower die block (111), the extensible member (21) is vertically arranged in the extending direction, the supporting component (22) is fixedly connected with the extensible member (21), and the supporting component (22) used for upwards lifting the pipe fitting (5) is located above the lower die block (111).

2. The bicycle frame stamping die auxiliary device of claim 1, wherein: the supporting component (22) comprises a supporting pipe (221), a sleeve (222) and a positioning bolt (223), the supporting pipe (221) is fixedly connected with the telescopic piece (21) and used for being inserted into the supporting pipe (221) in the pipe fitting (5) and located above the lower module (111), the sleeve (222) is sleeved on the supporting pipe (221), one end of the telescopic piece (21) is far away from the supporting pipe (221) and connected with the supporting pipe (221) in a sliding mode, the positioning bolt (223) is in threaded connection with the sleeve (222), and the positioning bolt (223) penetrates through the sleeve (222) and abuts against the supporting pipe (221).

3. The bicycle frame stamping die auxiliary device of claim 2, wherein: be provided with damper (224) on sleeve pipe (222), damper (224) include damping spring (2241) and dog (2242), and stay tube (221) one end is kept away from in sleeve pipe (222) damping spring (2241) rigid coupling, and damping spring (2241) flexible direction is parallel with pipe fitting (5), and sleeve pipe (222) one end is kept away from in damping spring (2241) dog (2242) rigid coupling.

4. The bicycle frame stamping die auxiliary device of claim 1, wherein: be provided with fixed establishment (3) on extensible member (21), fixed establishment (3) are including fixed block (31) and fixing bolt (32), fixed block (31) rigid coupling is close to stamping die body (1) one end in extensible member (21), stamping die body (1) just has seted up spout (15) to fixed block (31) department, spout (15) are towards keeping away from down module (111) direction and extend, fixed block (31) are located spout (15) and slide with stamping die body (1) and are connected for be fixed in fixing bolt (32) threaded connection on stamping die body (1) with fixed block (31) on fixed block (31).

5. The bicycle frame stamping die auxiliary device of claim 4, wherein: be provided with complementary unit (4) between supporting component (22) and fixed block (31), complementary unit (4) are including fixed pipe (41) and flexible pipe (44), fixed pipe (41) can be dismantled and connect on fixed block (31), fixed pipe (41) are parallel with the flexible direction of extensible member (21), flexible pipe (44) are inserted and are located fixed pipe (41) in and slide with fixed pipe (41) and be connected, flexible pipe (44) are kept away from fixed pipe (41) one end and are fixed continuous with supporting component (22).

6. The bicycle frame stamping die auxiliary device of claim 5, wherein: fixed pipe (41) are close to fixed block (31) department rigid coupling and have pterygoid lamina (42), and pterygoid lamina (42) and fixed block (31) butt have seted up open hole (421) on pterygoid lamina (42), and open hole (421) run through pterygoid lamina (42), and open hole (421) are seted up the direction and are seted up the direction perpendicular with spout (15), are provided with locking bolt (43) on fixed block (31), and locking bolt (43) pass open hole (421) and with fixed block (31) threaded connection.

7. The bicycle frame stamping die auxiliary device of claim 5, wherein: a guide groove (411) is formed in the fixed pipe (41), the guide groove (411) is vertically formed, a guide block (441) is fixedly connected to the position, opposite to the guide groove (411), of the telescopic pipe (44), and the guide block (441) is located in the guide groove (411) and connected with the fixed pipe (41) in a sliding mode.

8. The bicycle frame stamping die auxiliary device of claim 7, wherein: the guide block (441) is rotatably connected with a rotating rod (4412), and the rotating rod (4412) is in rolling contact with the fixed pipe (41).

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