A clamping device

Abstract

The utility model relates to a bicycle production technical field especially relates to a clamping device. Clamping device includes: support, support platform, five -way clamping mechanism, middle pipe clamping mechanism and pressure mechanism, support platform rotationally arranged in the support, five -way clamping mechanism sets up one end at support platform, and five -way clamping mechanism is used for clamping five -way pipe, and middle pipe clamping mechanism slidingly sets up the other end of support, and middle pipe clamping mechanism can move to the direction close to five -way clamping mechanism to with five -way pipe and middle pipe and resist tightly, and pressure mechanism includes mounting bracket and two clamping assemblies, and two clamping assemblies are arranged respectively in both ends of mounting bracket, and mounting bracket is fixed to support platform, and two clamping assemblies can resist tightly in both sides of middle pipe clamping mechanism to support platform. This clamping device sets up the middle pipe clamping mechanism of sliding, can be applicable to the middle pipe of different car and five -way pipe, simultaneously, uses pressure mechanism to fix middle pipe clamping mechanism, can avoid disassembly screw, saves time, improves the welding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of bicycle manufacturing technology, and in particular to a clamping device. Background Technology

[0002] Currently, the welding of the center tube and the bottom bracket requires fixing the pipe fittings before welding. Due to different vehicle types, different molds need to be changed when welding the center tube and bottom bracket of different vehicle types. Changing the mold requires disassembling and assembling many screws, which wastes a lot of time and results in low welding efficiency.

[0003] Therefore, there is an urgent need for a clamping device to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a clamping device that can save time and improve welding efficiency.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A clamping device for fixing a bottom bracket and a center tube, the clamping device comprising: a bracket, a support platform, a bottom bracket clamping mechanism, a center tube clamping mechanism, and a pressing mechanism, wherein the support platform is rotatably mounted on the bracket, the bottom bracket clamping mechanism is disposed at one end of the support platform and is used to clamp the bottom bracket, the center tube clamping mechanism is slidably disposed at the other end of the bracket and is capable of moving toward the bottom bracket clamping mechanism to abut the center tube against the bottom bracket, and the pressing mechanism comprises a mounting frame and two clamping assemblies, the two clamping assemblies being respectively disposed at both ends of the mounting frame, the mounting frame being fixed to the support platform, and the two clamping assemblies being capable of pressing the two sides of the center tube clamping mechanism against the support platform.

[0007] As a preferred technical solution of the above-mentioned clamping device, the clamping assembly includes a first driving member, a pressure claw, and a wedge block. The pressure claw is rotatably connected to the mounting bracket, and the first driving member is drively connected to the wedge block. The first driving member can drive the wedge block to abut against the bottom wall of one end of the pressure claw, so that the other end of the pressure claw presses against the middle tube clamping mechanism.

[0008] As a preferred embodiment of the above-mentioned clamping device, the clamping assembly further includes a roller, which is rotatably connected to one end of the pressure claw, and the first driving member can drive the wedge-shaped surface of the wedge block to abut against the roller.

[0009] As a preferred embodiment of the above-mentioned clamping device, the five-way clamping mechanism includes a push rod, a second driving member, a rotating pressure block, and a fixed base. The fixed base is fixed to the support platform, the five-way tube is sleeved on the fixed base, the push rod is slidably disposed on the fixed base, the second driving member is disposed on the support platform, and the output end of the second driving member passes through the support platform and the fixed base in sequence and is connected to the push rod. The rotating pressure block is rotatably connected to the fixed base, and the push rod can abut against the rotating pressure block so that the rotating pressure block can rotate and press the five-way tube.

[0010] As a preferred embodiment of the above-mentioned clamping device, the five-way clamping mechanism further includes an elastic element, the two ends of which are respectively connected to the top rod and the rotating pressure block.

[0011] In a preferred embodiment of the aforementioned clamping device, the elastic element is a spring.

[0012] As a preferred embodiment of the above-mentioned clamping device, the middle tube clamping mechanism includes a third driving member, a base, a slider, and a clamping member. The base is slidably disposed on the support platform, the slider is slidably connected to the base, the clamping member is disposed on the slider, the third driving member is disposed on the base, and the third driving member is pulsatorically connected to the slider. The third driving member can drive the slider to move the clamping member to abut against the end face of the middle tube, and the two clamping components can press the two sides of the base against the support platform.

[0013] As a preferred embodiment of the above-mentioned clamping device, the middle tube clamping mechanism further includes a guide rail, which is disposed on the base, and the slider is slidably disposed on the guide rail.

[0014] As a preferred embodiment of the above-mentioned clamping device, the middle tube clamping mechanism further includes a plurality of support components, which are spaced apart on the support platform and / or the base. Each support component includes a support member and a locking member. The support member is disposed on the support platform or the base and is used to support the middle tube. The locking member is disposed on the support platform or the base and can press the support member against the support platform or the base.

[0015] As a preferred embodiment of the above-mentioned clamping device, the clamping device further includes a positioning mechanism, which includes a positioning pin and a mounting component. The mounting component is disposed on the support platform, and the positioning pin is slidably disposed on the mounting component. The central tube is provided with a positioning hole, and the positioning pin can be inserted into the positioning hole.

[0016] The beneficial effects of this utility model are:

[0017] This utility model provides a clamping device. The clamping device is used to fix a bottom bracket and a center tube. The clamping device includes: a bracket, a support platform, a bottom bracket clamping mechanism, a center tube clamping mechanism, and a pressing mechanism. The support platform is rotatably mounted on the bracket. The bottom bracket clamping mechanism is located at one end of the support platform and is used to clamp the bottom bracket. The center tube clamping mechanism is slidably mounted at the other end of the bracket and can move towards the bottom bracket clamping mechanism to press the center tube against the bottom bracket. The pressing mechanism includes a mounting frame and two clamping components, which are respectively located at both ends of the mounting frame. The mounting frame is fixed to the support platform, and the two clamping components can press the two sides of the center tube clamping mechanism against the support platform. Compared with the prior art, this clamping device, by setting a sliding center tube clamping mechanism, can be applied to center tubes and bottom brackets of different vehicle types. At the same time, using the pressing mechanism to fix the center tube clamping mechanism can avoid disassembling and assembling screws, saving time and improving welding efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0019] Figure 1 This is a first structural schematic diagram of the clamping device provided in this embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the second structure of the clamping device provided in this embodiment of the utility model.

[0021] In the picture:

[0022] 1. Five-way pipe; 2. Middle pipe; 3. Bracket; 4. Support platform; 5. Mounting bracket; 6. First driving component; 7. Pressure claw; 8. Wedge block; 9. Roller; 10. Top rod; 11. Second driving component; 12. Rotating pressure block; 13. Fixed seat; 14. Elastic component; 15. Third driving component; 16. Base; 17. Slider; 18. Clamping component; 19. Guide rail; 20. Support component; 21. Locking component; 22. Positioning pin; 23. Mounting component; 24. Fourth driving component. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0024] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0027] like Figure 1 and Figure 2 As shown, this utility model provides a clamping device. The clamping device is used to fix the bottom bracket 1 and the middle tube 2. The clamping device includes: a bracket 3, a support platform 4, a bottom bracket clamping mechanism, a middle tube clamping mechanism, and a pressing mechanism.

[0028] Specifically, the support platform 4 is rotatably mounted on the bracket 3, and the bottom bracket clamping mechanism is located at one end of the support platform 4. The bottom bracket clamping mechanism is used to clamp the bottom bracket pipe 1, and the middle pipe clamping mechanism is slidably mounted at the other end of the bracket 3. The middle pipe clamping mechanism can move towards the bottom bracket clamping mechanism to press the middle pipe 2 against the bottom bracket pipe 1. The clamping mechanism includes a mounting frame 5 and two clamping components. The two clamping components are respectively located at both ends of the mounting frame 5. The mounting frame 5 is fixed to the support platform 4, and the two clamping components can press the two sides of the middle pipe clamping mechanism against the support platform 4. Compared with the prior art, this clamping device, by setting a sliding middle pipe clamping mechanism, can be applied to the middle pipe 2 and bottom bracket pipe 1 of different vehicle types. At the same time, using the clamping mechanism to fix the middle pipe clamping mechanism can avoid disassembling and assembling screws, save time, and improve welding efficiency.

[0029] Optionally, the clamping assembly includes a first driving member 6, a pressure claw 7, and a wedge block 8. The pressure claw 7 is rotatably connected to the mounting bracket 5, and the first driving member 6 is driveably connected to the wedge block 8. The first driving member 6 can drive the wedge block 8 to abut against the bottom wall of one end of the pressure claw 7, so that the other end of the pressure claw 7 presses against the tube clamping mechanism. Specifically, the first driving member 6 is a rotary handle, which is threadedly connected to the mounting bracket 5 and rotatably connected to the wedge block 8. By rotating the handle, the wedge-shaped surface of the wedge block 8 can be pushed to lift one end of the pressure claw 7, so that the other end of the pressure claw 7 presses down against the tube clamping mechanism, thereby allowing the tube clamping mechanism to move or be fixed as a whole, reducing screw operations.

[0030] Optionally, the clamping assembly also includes a roller 9, which is rotatably connected to one end of the pressure claw 7. The first driving member 6 can drive the wedge-shaped surface of the wedge block 8 to abut against the roller 9. This arrangement can reduce the friction between the wedge block 8 and the pressure claw 7.

[0031] Optionally, the bottom bracket clamping mechanism includes a push rod 10, a second driving member 11, a rotating pressure block 12, and a fixed base 13. The fixed base 13 is fixed to the support platform 4, the bottom bracket tube 1 is sleeved on the fixed base 13, the push rod 10 is slidably disposed on the fixed base 13, the second driving member 11 is disposed on the support platform 4, and the output end of the second driving member 11 passes through the support platform 4 and the fixed base 13 in sequence and is connected to the push rod 10. The rotating pressure block 12 is rotatably connected to the fixed base 13, and the push rod 10 can abut against the rotating pressure block 12 so that the rotating pressure block 12 can rotate and press the bottom bracket tube 1. Specifically, the second driving member 11 is a cylinder. When the cylinder retracts, the push rod 10 can push the rotating pressure block 12 to rotate 90 degrees, thereby pressing the bottom bracket tube 1.

[0032] Furthermore, the bottom bracket clamping mechanism also includes an elastic element 14, with its two ends connected to the push rod 10 and the rotating pressure block 12, respectively. Specifically, when the cylinder pushes upward, the rotating pressure block 12 stands upright under the action of the elastic element 14, allowing the bottom bracket tube 1 to be fitted onto the fixed seat 13, thereby eliminating the need for manual clamping of the bottom bracket tube 1. Even further, the elastic element 14 is a spring.

[0033] Optionally, the middle tube clamping mechanism includes a third driving member 15, a base 16, a slider 17, and a clamping member 18. The base 16 is slidably disposed on the support platform 4, the slider 17 is slidably connected to the base 16, the clamping member 18 is disposed on the slider 17, and the third driving member 15 is disposed on the base 16 and is drively connected to the slider 17. The third driving member 15 can drive the slider 17 to move the clamping member 18 to abut against the end face of the middle tube 2. The two clamping components can press the two sides of the base 16 against the support platform 4. Further, the third driving member 15 is a cylinder.

[0034] Optionally, the central tube clamping mechanism also includes a guide rail 19, which is disposed on the base 16, and the slider 17 is slidably disposed on the guide rail 19, which can improve the accuracy of the movement of the slider 17.

[0035] Optionally, the tube clamping mechanism further includes several support components, which are spaced apart on the support platform 4 and / or base 16. Each support component includes a support member 20 and a locking member 21. The support member 20 is positioned on the support platform 4 or base 16 and supports the tube 2. The locking member 21 is positioned on the support platform 4 or base 16 and presses the support member 20 against the support platform 4 or base 16. Specifically, the support member 20 is a U-shaped block, with its arc-shaped surface conforming to the surface of the tube 2, improving the stability of the tube 2. Simultaneously, the locking member 21 presses the support member 20 against the support platform 4 or base 16 without requiring screw removal, thus improving efficiency.

[0036] Optionally, the clamping device further includes a positioning mechanism, which includes a positioning pin 22 and a mounting component 23. The mounting component 23 is disposed on the support platform 4, and the positioning pin 22 is slidably disposed on the mounting component 23. The middle tube 2 is provided with a positioning hole, into which the positioning pin 22 can be inserted. Specifically, the positioning mechanism also includes a miniature cylinder, which is mounted on the mounting component 23 and connected to the positioning pin 22. The miniature cylinder controls the extension and retraction of the positioning pin 22, inserting it into the positioning hole to position the position and angle of the pipe fitting, ensuring the uniqueness of the position and angle of each pipe fitting.

[0037] Optionally, the clamping device further includes a fourth drive member 24, which is mounted on the bracket 3 and drivenly connected to the support platform 4. The fourth drive member 24 can drive the support platform 4 to rotate, enabling the robotic arm to precisely weld along the required welding trajectory. Further, the fourth drive member 24 is a cylinder.

[0038] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A clamping device for fixing a bottom bracket (1) and a middle tube (2), characterized in that, include: The bracket (3), support platform (4), bottom bracket clamping mechanism, middle tube clamping mechanism and pressing mechanism are provided. The support platform (4) is rotatably mounted on the bracket (3). The bottom bracket clamping mechanism is located at one end of the support platform (4) and is used to clamp the bottom tube (1). The middle tube clamping mechanism is slidably mounted on the other end of the bracket (3) and can move towards the bottom bracket clamping mechanism to press the middle tube (2) against the bottom tube (1). The pressing mechanism includes a mounting frame (5) and two clamping components. The two clamping components are respectively located at both ends of the mounting frame (5). The mounting frame (5) is fixed to the support platform (4) and the two clamping components can press the two sides of the middle tube clamping mechanism against the support platform (4).

2. The clamping device according to claim 1, characterized in that, The clamping assembly includes a first driving member (6), a pressure claw (7), and a wedge block (8). The pressure claw (7) is rotatably connected to the mounting bracket (5). The first driving member (6) is drively connected to the wedge block (8). The first driving member (6) can drive the wedge block (8) to abut against the bottom wall of one end of the pressure claw (7), so that the other end of the pressure claw (7) presses against the middle tube clamping mechanism.

3. The clamping device according to claim 2, characterized in that, The clamping assembly also includes a roller (9), which is rotatably connected to one end of the pressure claw (7). The first driving member (6) can drive the wedge surface of the wedge block (8) to abut against the roller (9).

4. The clamping device according to claim 1, characterized in that, The five-way clamping mechanism includes a top rod (10), a second driving member (11), a rotating pressure block (12), and a fixed seat (13). The fixed seat (13) is fixed to the support platform (4), and the five-way tube (1) is sleeved on the fixed seat (13). The top rod (10) is slidably disposed on the fixed seat (13). The second driving member (11) is disposed on the support platform (4), and the output end of the second driving member (11) passes through the support platform (4) and the fixed seat (13) in sequence and is connected to the top rod (10). The rotating pressure block (12) is rotatably connected to the fixed seat (13). The top rod (10) can abut against the rotating pressure block (12) so that the rotating pressure block (12) can rotate and press the five-way tube (1).

5. A clamping device according to claim 4, characterized in that, The five-way clamping mechanism also includes an elastic element (14), the two ends of which are connected to the top rod (10) and the rotating pressure block (12), respectively.

6. A clamping device according to claim 5, characterized in that, The elastic element (14) is a spring.

7. A clamping device according to claim 1, characterized in that, The middle tube clamping mechanism includes a third driving member (15), a base (16), a slider (17), and a clamping member (18). The base (16) is slidably disposed on the support platform (4). The slider (17) is slidably connected to the base (16). The clamping member (18) is disposed on the slider (17). The third driving member (15) is disposed on the base (16) and is connected to the slider (17) in a transmission manner. The third driving member (15) can drive the slider (17) to drive the clamping member (18) to abut against the end face of the middle tube (2). The two clamping components can press the two sides of the base (16) against the support platform (4).

8. A clamping device according to claim 7, characterized in that, The central tube clamping mechanism also includes a guide rail (19), which is disposed on the base (16), and the slider (17) is slidably disposed on the guide rail (19).

9. A clamping device according to claim 7, characterized in that, The central tube clamping mechanism further includes several support components, which are spaced apart on the support platform (4) and / or the base (16). Each support component includes a support member (20) and a locking member (21). The support member (20) is disposed on the support platform (4) or the base (16) and is used to support the central tube (2). The locking member (21) is disposed on the support platform (4) or the base (16) and is able to press the support member (20) against the support platform (4) or the base (16).

10. A clamping device according to any one of claims 1-9, characterized in that, The clamping device further includes a positioning mechanism, which includes a positioning pin (22) and a mounting component (23). The mounting component (23) is disposed on the support platform (4), and the positioning pin (22) is slidably disposed on the mounting component (23). The middle tube (2) is provided with a positioning hole, and the positioning pin (22) can be inserted into the positioning hole.

Images