Stamping die for mountain bike frame

Abstract

The utility model relates to the field of stamping dies, and discloses a mountain bike frame stamping die which comprises a base, a left side seat and a right side seat are arranged on the two sides of the base respectively, a first hydraulic cylinder is arranged above the base, and the driving end of the first hydraulic cylinder is connected with an upper die. A second hydraulic cylinder is arranged between the left side base and the right side base, a lower die is arranged at the driving end of the second hydraulic cylinder, telescopic grooves are formed in the upper portion of the left side base and the upper portion of the right side base, springs are fixedly arranged at the tails of the telescopic grooves, telescopic blocks are fixedly arranged at the other ends of the springs, and slopes are arranged at the bottom ends of the inner sides of the telescopic blocks. Compared with the prior art, the pipe fitting separating device has the advantages that after the lower die moves downwards to the position below the telescopic block, the telescopic block gets close to the middle, so that a pipe fitting can be clamped, the pipe fitting can be directly separated from the groove of the lower die, manual separation is not needed, and labor intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the field of stamping dies, in particular to a stamping die for a mountain bike frame. Background Art

[0002] The frame, as the skeleton of the entire bicycle, determines and affects the correctness and comfort of the riding posture to the greatest extent. The frame components are the basic structure of the bicycle, and are also the skeleton and body of the bicycle. Other components are also directly or indirectly installed on the frame. At present, the structure of mountain bike frames is diverse, but whether it is a women's frame or a men's frame, the overall frame is usually welded from ordinary iron pipes or stainless steel pipes.

[0003] The structure of the frame directly or indirectly affects the performance of the mountain bike, so the mountain bike frame requires pipes of various structures and shapes to be welded scientifically and reasonably. Currently, oval-shaped pipes are formed by stamping on the basis of round pipes. However, after the pipes are stamped, the pipes will fit into the groove of the lower mold due to the squeezing of the upper and lower molds. The staff needs to use a lot of force to remove the pipes from the grooves, which increases the labor intensity of the workers and seriously affects the efficiency of the stamping operation. Utility Model Content

[0004] Technical problem to be solved: Currently, it takes a lot of effort to remove the pipe fittings from the groove of the lower mold, which increases the labor intensity of the workers and also affects the efficiency of the stamping operation.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a mountain bicycle frame stamping die, comprising a base, a left seat and a right seat are respectively fixed on both sides of the top of the base, a back plate is commonly fixed on the top of the left seat and the right seat, a top plate is fixed on the top of the back plate, a first hydraulic cylinder penetrating the top plate is fixedly provided in the middle position of the top plate, an upper die is connected to the driving end of the first hydraulic cylinder, a second hydraulic cylinder is fixedly provided on the top of the base between the left seat and the right seat, a lower die is connected to the driving end of the second hydraulic cylinder, arc grooves are provided on the working surfaces of the upper die and the lower die, telescopic grooves are provided on the upper parts of the left seat and the right seat, a telescopic block is slidably provided in the telescopic groove, a slope is provided on the bottom of the telescopic block located at one outer end, and a spring is provided between the other end and the side wall of the telescopic groove.

[0006] As an improvement, a limiting column located inside the spring is fixedly provided at the tail of the telescopic block.

[0007] As an improvement, first limit slots are provided at the upper and lower ends of the telescopic slot, and first limit blocks extending into the first limit slot and slidably connected to the first limit slot are fixedly provided at the upper and lower ends of the telescopic block.

[0008] As an improvement, second limit grooves are respectively provided on both sides of the left seat and the right seat, and fixing rods are respectively provided on both sides of the bottom end of the lower mold, and second limit blocks are respectively fixed at both ends of the fixing rods, which are located inside the second limit grooves and slidably connected to the second limit grooves up and down.

[0009] As an improvement, when the spring is in a natural state, the distance between the telescopic blocks on the left and right sides is smaller than the width of the lower mold.

[0010] As an improvement, protrusions are fixedly provided at both ends of the top surface of the upper mold, and limiting rods penetrating the protrusions and slidably connected to the protrusions are fixedly provided between the top plate and the left seat and the right seat.

[0011] The advantages of the utility model compared with the prior art are:

[0012] 1. The upper mold and the lower mold of the present application are both movable. After the stamping is completed, the stamping parts can be driven to move downward, thereby cooperating with the set telescopic block to automatically take out the stamping parts, saving time and effort.

[0013] 2. The telescopic block of the present application is configured as a telescopic structure, which can be applied to molds or stampings of different widths, has the function of adaptive adjustment, and has a wider processing range.

[0014] 3. The cooperation between the first limiting groove and the first limiting block limits the movement of the telescopic block, thereby stabilizing the movement. The cooperation between the second limiting groove and the fixing rod ensures the smooth movement of the lower mold. The limiting cooperation between the protrusion and the limiting rod ensures the smooth movement of the upper mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a stamping die for a mountain bicycle frame.

[0016] Figure 2 The utility model discloses a structural diagram of upper and lower dies of a stamping die for a mountain bicycle frame.

[0017] Figure 3 The utility model is a partial structural schematic diagram of a stamping die for a mountain bicycle frame.

[0018] Figure 4 The utility model is a partial structural schematic diagram of a stamping die for a mountain bicycle frame.

[0019] Figure 5 The utility model is a partial structural schematic diagram of a stamping die for a mountain bicycle frame.

[0020] Figure 6The utility model is a structural schematic diagram of a telescopic block of a stamping die for a mountain bicycle frame.

[0021] Figure 7 The utility model is a structural schematic diagram of a limit block of a stamping die for a mountain bicycle frame.

[0022] As shown in the figure: 1. Base; 2. Left seat; 3. Right seat; 4. Back plate; 5. Top plate; 6. First hydraulic cylinder; 7. Upper mold; 8. Second hydraulic cylinder; 9. Lower mold; 10. Arc groove; 11. Workpiece; 12. Telescopic slot; 13. Telescopic block; 14. Limiting column; 15. Spring; 16. First limiting slot; 17. First limiting block; 18. Slope; 19. Second limiting slot; 20. Fixed rod; 21. Second limiting block; 22. Bump; 23. Limiting rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] As attached Figure 1-5 As shown, a stamping die for a mountain bike frame comprises a base 1, a left seat 2 and a right seat 3 are fixedly provided on both sides of the top of the base 1, a back plate 4 is fixedly provided on the top of the left seat 2 and the right seat 3, a top plate 5 is fixedly provided on the top of the back plate 4, a first hydraulic cylinder 6 penetrating the top plate 5 is fixedly provided in the middle of the top plate 5, an upper die 7 is connected to the driving end of the first hydraulic cylinder 6, a second hydraulic cylinder 8 is fixedly provided on the top of the base 1 between the left seat 2 and the right seat 3, a lower die 9 is connected to the driving end of the second hydraulic cylinder 8, and the hydraulic cylinders provided in the device are all prior art. No further description will be given here. The working surfaces of the upper mold 7 and the lower mold 9 are provided with arc grooves 10, and a workpiece 11 is arranged in the arc grooves 10. The upper parts of the left seat 2 and the right seat 3 are provided with telescopic grooves 12. A telescopic block 13 is slidably arranged in the telescopic groove 12. A slope 18 is arranged at the bottom of the telescopic block 13 located at one end of the outer side, and a spring 15 is arranged between the other end and the side wall of the telescopic groove 12. When the spring 15 is in a natural state, the distance between the telescopic blocks 13 on the left and right sides is smaller than the width of the lower mold 9, and a limiting column 14 located inside the spring 15 is fixed at the tail of the telescopic block 13.

[0025] With the above structure, since a slope 18 is provided at the bottom end of the outer end of the telescopic block 13, when the lower die 9 drives the workpiece 11 to move upward, the telescopic block 13 will be squeezed and slide to both sides, and the limiting column 14 at the tail end of the telescopic block 13 can limit the sliding position of the telescopic block 13. After the upper die 7 and the lower die 9 complete stamping on the workpiece 11, the lower die 9 drives the workpiece 11 to move downward. When the lower die 9 moves below the telescopic block 13, the telescopic block 13 is no longer squeezed by the lower die 9 and slides towards the middle and closes. Since no slope 18 is provided at the top end of the outer end of the telescopic block 13, the telescopic block 13 can catch the workpiece 11 and separate it from the arc-shaped groove 10 of the lower die 9. Specifically, as shown in Figure 3-5 the state and position changes of the workpiece 11 in

[0026] As shown in the attached Figure 6-7 figure. The attached Figure 6 is a specific cross-sectional view of the first limiting groove 16. First limiting grooves 16 are provided at the upper and lower ends of the telescopic groove 12. First limiting blocks 17 extending into the first limiting grooves 16 and slidably connected to the first limiting grooves 16 are fixedly provided at the upper and lower ends of the telescopic block 13. Second limiting grooves 19 are respectively provided at both sides inside the left seat 2 and the right seat 3. Fixed rods 20 are respectively provided at both sides of the bottom end of the lower die 9. Second limiting blocks 21 located inside the second limiting grooves 19 and slidably connected to the second limiting grooves 19 in the up and down direction are fixedly provided at both ends of the fixed rods 20. Protrusions 22 are respectively fixedly provided at both ends of the top surface of the upper die 7. Limiting rods 23 passing through the protrusions 22 and slidably connected to the protrusions 22 are fixedly provided between the top plate 5 and the left seat 2 and the right seat 3 respectively.

[0027] With the above structure, the first limiting blocks 17 fixedly provided at the upper and lower ends of the telescopic block 13 can increase the stability of the telescopic block 13 when sliding back and forth, preventing displacement. The second limiting grooves 19 provided at both sides inside the left seat 2 and the right seat 3 cooperate with the second limiting blocks 21 fixedly provided at the bottom of the lower die 9, making the lower die 9 move more stably up and down. The limiting rods 23 provided between the top plate 5 and the left seat 2 and the right seat 3 can also effectively improve the stability of the upper die 7 when moving up and down.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A stamping die for a mountain bike frame, comprising a base (1), a left seat (2) and a right seat (3) are fixedly provided on both sides of the top of the base (1), a back plate (4) is fixedly provided on the top of the left seat (2) and the right seat (3), a top plate (5) is fixedly provided on the top of the back plate (4), and the characteristics are: A first hydraulic cylinder (6) penetrating the top plate (5) is fixedly provided in the middle position of the top plate (5); an upper mold (7) is connected to the driving end of the first hydraulic cylinder (6); a second hydraulic cylinder (8) is fixedly provided at the top of the base (1) between the left seat (2) and the right seat (3); a lower mold (9) is connected to the driving end of the second hydraulic cylinder (8); arc grooves (10) are provided on the working surfaces of the upper mold (7) and the lower mold (9); telescopic grooves (12) are provided on the upper parts of the left seat (2) and the right seat (3); a telescopic block (13) is slidably provided in the telescopic groove (12); a slope (18) is provided at the bottom of the telescopic block (13) at one end outside, and a spring (15) is provided between the other end and the side wall of the telescopic groove (12).

2. A mountain bike frame stamping die according to claim 1, characterized in that: A limiting column (14) located inside the spring (15) is fixedly provided at the tail of the telescopic block (13).

3. The stamping die for a mountain bike frame according to claim 1, characterized in that: The telescopic slot (12) is provided with a first limiting slot (16) at both upper and lower ends, and the telescopic block (13) is fixedly provided with a first limiting block (17) extending into the first limiting slot (16) and slidably connected to the first limiting slot (16) at both upper and lower ends.

4. The stamping die for a mountain bike frame according to claim 1, characterized in that: Second limiting grooves (19) are respectively provided at both sides of the left seat (2) and the right seat (3), and fixing rods (20) are respectively provided at both sides of the bottom end of the lower mold (9), and second limiting blocks (21) located inside the second limiting groove (19) and slidably connected to the second limiting groove (19) are respectively fixed at both ends of the fixing rod (20).

5. The stamping die for a mountain bike frame according to claim 1, characterized in that: When the spring (15) is in a natural state, the distance between the telescopic blocks (13) on the left and right sides is smaller than the width of the lower mold (9).

6. The stamping die for a mountain bike frame according to claim 1, characterized in that: The two ends of the top surface of the upper mold (7) are respectively fixed with protrusions (22), and the top plate (5) and the left seat (2) and the right seat (3) are respectively fixed with limit rods (23) that penetrate the protrusions (22) and are slidably connected to the protrusions (22).

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