Angle adjusting clamping device

Abstract

The invention belongs to the technical field of machining, and discloses an angle adjusting clamping device which comprises a base, an overturning structure, a clamping mechanism, a locking mechanism and a milling cutter mechanism, a first driving source is arranged on the base, the output end of the first driving source is connected to a rotating part, a fixing frame is connected to the rotating part, a second driving source is arranged on the base, and the second driving source is arranged on the base. The output end of the second driving source is connected to the locking piece, the milling cutter mechanism is arranged on the base, after the front beam is placed on the fixing frame, the first clamping assembly clamps a main body of the front beam, the second clamping piece clamps the end of the front beam, the overturning mechanism swings left and right to overturn the front beam to the machining angle, then the locking mechanism locks the overturning mechanism, and the milling cutter mechanism is arranged on the base. And finally, the milling cutter mechanism carries out main pin hole machining on the front beam, the main pin holes are rapidly selected through left-right swinging of the overturning mechanism, the operation that the machine is stopped to change the direction of the front beam to select the main pin holes to be machined is omitted, the machining time is shortened, and the machining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to an angle adjustment clamping device. Background Art

[0002] The front beam of the car needs to be processed with a kingpin hole. In the prior art, the front axle clamp can quickly position and clamp the front axle, and then the angle can be quickly adjusted by the second driving member. After the angle adjustment is completed, the first driving member drives the moving seat to move so that the drilling position reaches the bottom of the drill bit, and the kingpin hole drilling operation can be performed. However, the clamp can only realize single-head processing during processing. After processing one side of the front axle, the equipment is stopped, the processing position of the front beam is changed, and the operation of tightening the front beam is repeated, resulting in increased costs, inability to quickly position and adjust the angle, long processing time, and low efficiency.

[0003] Therefore, an angle adjustment clamping device is urgently needed to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an angle adjustment clamping device, which can quickly select the kingpin hole by swinging left and right, eliminating the operation of stopping the machine to change the direction of the front beam to select the kingpin hole to be processed, thereby shortening the processing time and improving the processing efficiency.

[0005] In order to solve the above problems existing in the prior art, the present invention adopts the following technical solutions:

[0006] Angle adjustment clamping device, comprising:

[0007] Base;

[0008] A flip mechanism, the flip mechanism comprising a first driving source, a rotating member and a fixed frame, the first driving source being arranged on the base, and the output end of the first driving source being connected to the rotating member, the first driving source being used to drive the rotating member to rotate relative to the base, the fixed frame being located above the base and connected to the rotating member;

[0009] A clamping mechanism, the clamping mechanism comprising a first clamping assembly and a second clamping assembly, the first clamping assembly and the second clamping assembly are both arranged on the fixing frame, the first clamping assembly is used to clamp the main body of the front beam, and the second clamping assembly is used to clamp the end of the front beam;

[0010] A locking mechanism, the locking mechanism comprising a second driving source and a locking member, the second driving source being disposed on the base, and an output end of the second driving source being connected to the locking member, the locking member being able to rotate and abut against the fixing frame under the action of the second driving source;

[0011] A milling cutter mechanism is arranged on the base and is used for processing the main pin hole of the front beam.

[0012] Preferably, the first clamping assembly includes two clamping members, the two clamping members are arranged opposite to each other and at an interval, the clamping members include a third driving source and a clamping portion, the third driving source is arranged on the fixed frame, and the output end of the third driving source is connected to the clamping portion and drives the clamping portion to rotate, and the two clamping portions can be respectively clamped against both sides of the front beam.

[0013] Preferably, the first clamping assembly also includes a fourth driving source, a connecting arm and a pressing piece, the fourth driving source is arranged on the fixed frame, and the output end of the fourth driving source is connected to one end of the connecting arm, and the other end of the connecting arm is connected to the pressing piece, and the pressing piece can be pressed on the top surface of the front beam in the vertical direction.

[0014] Preferably, the pressing member is in a V-shaped structure, and the pressing member is rotatably connected to the connecting arm via a rotating shaft.

[0015] Preferably, the second clamping assembly includes a fifth driving source, a rotating member and a supporting member, the fifth driving source is arranged on the fixed frame, and the output end of the fifth driving source is connected to the rotating member, the rotating member can be rotated and pressed against the end top surface of the front beam under the action of the fifth driving source, and the supporting member is used to support the end bottom surface of the front beam.

[0016] Preferably, the rotating member includes a fixed portion and a rotating portion, the fixed portion is mounted on the base, the rotating portion is connected to the fixing frame, and the rotating portion is rotatably connected to the fixed portion.

[0017] Preferably, the locking mechanism also includes a driving assembly, a fixing pin and a positioning block, the driving assembly is arranged on the base, and the output end of the driving assembly is connected to the fixing pin to drive the fixing pin to move in a horizontal direction, the positioning block is fixed to the fixing frame, and the positioning block and the fixing pin are spaced apart, and the fixing pin can be pressed against the positioning block to lock the fixing frame relative to the base.

[0018] Preferably, the driving assembly includes a bracket, a sixth driving source and a connecting rod, the bracket is arranged on the base, the sixth driving source is arranged on the bracket, and the output end of the sixth driving source is connected to one end of the connecting rod, and the other end of the connecting rod is connected to the fixing pin.

[0019] Preferably, the angle adjustment clamping device also includes a detection mechanism, which includes a detection sensor and a control circuit board electrically connected to the detection sensor, the detection sensor is arranged on the fixed frame, the detection sensor is used to detect whether the front beam is located on the fixed frame, and the control circuit board is used to control the clamping mechanism to be opened or closed.

[0020] Preferably, the milling cutter mechanism comprises a milling cutter and an adjustment plate, wherein the adjustment plate is arranged on a base and is detachably connected to a handle of the milling cutter, and there are multiple adjustment plates, which are stacked.

[0021] The beneficial effects of the present invention are:

[0022] The angle adjustment clamping device provided by the present invention has a flipping mechanism including a first driving source, a rotating member and a fixed frame, wherein the first driving source is arranged on the base, and the output end of the first driving source is connected to the rotating member, and the first driving source is used to drive the rotating member to rotate relative to the base, and the fixed frame is located above the base and connected to the rotating member. The clamping mechanism includes a first clamping assembly and a second clamping assembly, and both the first clamping assembly and the second clamping assembly are arranged on the fixed frame, and the locking mechanism includes a second driving source and a locking member, and the second driving source is arranged on the base, and the output end of the second driving source is connected to the locking member, and the locking member can rotate and abut against the fixed frame under the action of the second driving source, and the milling cutter mechanism is arranged on the base. After the front beam is placed on the fixed frame, the first clamping assembly clamps the main body of the front beam, and the second clamping member clamps the end of the front beam, and the clamping and fixing are completed. The first driving source drives the rotating member to rotate, and the rotating member drives the fixed frame to swing left and right to flip the front beam to the processing angle. Then, the second driving source drives the locking member to rotate and press against the fixed frame, so that the fixed frame is in a locked state, that is, the locking mechanism locks the flipping mechanism to prevent vibration during processing. Finally, the milling cutter mechanism processes the kingpin hole of the front beam until all the processes of the kingpin hole are completed. The kingpin hole of the front beam to be processed is quickly selected by the left and right swing of the flipping mechanism, eliminating the operation process of stopping the machine to change the direction of the front beam to select the kingpin hole to be processed, shortening the processing time and improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A front view of an angle adjustment clamping device provided by an embodiment of the present invention;

[0024] Figure 2 A schematic diagram of the structure of an angle adjustment clamping device provided in an embodiment of the present invention;

[0025] Figure 3 Figure 2 A partial enlarged view of the middle A;

[0026] Figure 4A cross-sectional view of a locking mechanism provided by an embodiment of the present invention;

[0027] Figure 5 A side view of an angle adjustment clamping device provided by an embodiment of the present invention;

[0028] Figure 6 A schematic diagram of the structure of a detection sensor provided in an embodiment of the present invention.

[0029] Reference numerals:

[0030] 100, front beam;

[0031] 1. Base;

[0032] 2. Flipping mechanism; 21. First driving source; 22. Rotating member; 221. Fixed part; 222. Rotating part; 23. Fixed frame;

[0033] 3. Clamping mechanism; 31. Third driving source; 32. Clamping part; 33. Fourth driving source; 34. Connecting arm; 35. Pressing member; 36. Fifth driving source; 37. Rotating member; 38. Support member;

[0034] 4. Locking mechanism; 41. Second driving source; 42. Locking member; 43. Fixing pin; 44. Positioning block; 45. Bracket; 46. Sixth driving source; 47. Connecting rod;

[0035] 5. milling cutter mechanism; 51. milling cutter; 52. adjusting plate;

[0036] 6. Detection sensor. DETAILED DESCRIPTION

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0038] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0040] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0041] like Figure 1-Figure 6As shown, in this embodiment, the angle adjustment clamping device includes a base 1, a flip structure, a clamping mechanism 3, a locking mechanism 4 and a milling cutter mechanism 5. Among them, the flip mechanism 2 includes a first driving source 21, a rotating member 22 and a fixed frame 23. The first driving source 21 is arranged on the base 1, and the output end of the first driving source 21 is connected to the rotating member 22. The first driving source 21 is used to drive the rotating member 22 to rotate relative to the base 1. The fixed frame 23 is located above the base 1 and connected to the rotating member 22. The clamping mechanism 3 includes a first clamping assembly and a second clamping assembly. The first clamping assembly and the second clamping assembly are both arranged on the fixed frame 23. The first clamping assembly is used to clamp the main body of the front beam 100, and the second clamping assembly is used to clamp the end of the front beam 100. The locking mechanism 4 includes a second driving source 41 and a locking member 42. The second driving source 41 is arranged on the base 1, and the output end of the second driving source 41 is connected to the locking member 42. The locking member 42 can rotate and press against the fixed frame 23 under the action of the second driving source 41. The milling cutter mechanism 5 is arranged on the base 1 and is used to process the main pin hole of the front beam 100. Specifically, the first driving source 21 is a servo motor, the first driving source 21 is fixedly mounted on the base 1 and connected to the rotating member 22, the fixed frame 23 is suspended above the base 1, the fixed frame 23 is fixedly connected to the rotating member 22, and the fixed frame 23 is used to place the front beam 100. Under the driving action of the first driving source 21, the rotating member 22 rotates relative to the base 1, and the fixed frame 23 rotates synchronously. Along the length direction of the fixed frame 23, the first clamping member and the second clamping member are arranged at intervals, and the number of the first clamping member and the second clamping member is two, which are symmetrically arranged relative to the fixed frame 23. The second driving source 41 is a driving cylinder, which is fixedly installed on the base 1 and spaced apart from the fixing frame 23. The second driving source 41 can drive the locking member 42 to rotate so that the fixing frame 23 is in an unlocked state or a locked state. When the locking member 42 is rotated to a vertical direction, the locking member 42 is separated from the fixing frame 23, so that the fixing frame 23 is in an unlocked state. When the locking member 42 is rotated to a horizontal direction, the locking member 42 is pressed against the fixing frame 23, so that the fixing frame 23 is in a locked state.

[0042] The working process of the angle adjustment clamping device is as follows: after the front beam 100 is placed on the fixed frame 23, the first clamping assembly clamps the main body of the front beam 100, and the second clamping member clamps the end of the front beam 100, and the clamping and fixing are completed. The first driving source 21 drives the rotating member 22 to rotate, and the rotating member 22 drives the fixed frame 23 to swing left and right to flip the front beam 100 to the processing angle. The swinging angle can be adjusted according to the angle of the main pin hole. Then, the second driving source 41 drives the locking member 42 to rotate and press against the fixed frame 23, so that the fixed frame 23 is in a locked state, that is, the locking mechanism 4 locks the flipping mechanism 2 to prevent vibration during processing. Finally, the milling cutter mechanism 5 processes the main pin hole of the front beam 100 until all the processes of the main pin hole are completed. The main pin hole of the front beam 100 to be processed is quickly selected by the left and right swinging of the flipping mechanism 2, and the operation process of stopping the machine to change the direction of the front beam 100 to select the main pin hole to be processed is eliminated, the processing time is shortened, and the processing efficiency is improved.

[0043] Further, refer to Figure 2-Figure 3 The first clamping assembly includes two clamping members, which are arranged oppositely and at intervals. The clamping members include a third driving source 31 and a clamping portion 32. The third driving source 31 is arranged on the fixed frame 23, and the output end of the third driving source 31 is connected to the clamping portion 32 and drives the clamping portion 32 to rotate. The two clamping portions 32 can respectively press against the two sides of the front beam 100. Specifically, the third driving source 31 is a driving oil cylinder. The third driving source 31 is started. Under the action of the third driving source 31, the two clamping portions 32 can rotate relative to the fixed frame 23 and press against the front and rear sides of the front beam 100, thereby clamping and fixing the main body of the front beam 100 in the horizontal direction. Preferably, the first clamping assembly also includes an anti-skid pad. A longitudinal anti-skid surface is used above the anti-skid pad to reduce the vibration of the front beam 100 during processing. At the same time, the anti-skid pad is higher than the fixed frame 23. The anti-skid pad is used in combination to strengthen the friction force on the front beam 100.

[0044] Further, continue to refer to Figure 2-Figure 3 The first clamping assembly further includes a fourth driving source 33, a connecting arm 34, and a pressing member 35. The fourth driving source 33 is disposed on the fixing frame 23, and the output end of the fourth driving source 33 is connected to one end of the connecting arm 34, and the other end of the connecting arm 34 is connected to the pressing member 35. The pressing member 35 can be pressed against the top surface of the front beam 100 in the vertical direction. Specifically, the fourth driving source 33 is a driving oil cylinder. When the fourth driving source 33 is started, the pressing member 35 is driven by the connecting arm 34 to press against the top surface of the front beam 100 under the action of the fourth driving source 33, so as to perform a secondary clamping and fixing function on the main body of the front beam 100 in the vertical direction.

[0045] Further, continue to refer to Figure 2-Figure 3The pressing member 35 is in a V-shaped structure, and the pressing member 35 is rotatably connected to the connecting arm 34 via a rotating shaft. Specifically, the contact surface between the V-shaped pressing member 35 and the front beam 100 has a longitudinal anti-slip surface, which strengthens the locking of the front beam 100. At the same time, the V-shaped pressing member 35 and the connecting arm 34 are connected by a single axis, and the clamping angle can be automatically adjusted according to the surface of the front beam 100, so as to avoid vibration caused by single-point clamping on the surface of the front beam 100.

[0046] Further, continue to refer to Figure 2-Figure 3 The second clamping assembly includes a fifth driving source 36, a rotating member 37 and a supporting member 38. The fifth driving source 36 is disposed on the fixing frame 23, and the output end of the fifth driving source 36 is connected to the rotating member 37. The rotating member 37 can rotate and press against the top surface of the end of the front beam 100 under the action of the fifth driving source 36, and the supporting member 38 is used to support the bottom surface of the end of the front beam 100. Specifically, the fifth driving source 36 is a double oil cylinder. When the fifth driving source 36 is started, under the action of the fifth driving source 36, the rotating member 37 rotates and presses against the top surface of the end of the front beam 100, and the supporting member 38 supports the bottom surface of the end of the front beam 100, thereby strengthening the fixation of the front beam 100 and improving the stability of the front beam 100 during processing.

[0047] Further, continue to refer to Figure 2-Figure 3 The rotating member 22 includes a fixed portion 221 and a rotating portion 222. The fixed portion 221 is mounted on the base 1, and the rotating portion 222 is connected to the fixed frame 23, and the rotating portion 222 is rotatably connected to the fixed portion 221. Specifically, the fixed portion 221 of the rotating member 22 is fixed to the base 1, one side of the rotating portion 222 of the rotating member 22 is rotatably connected to the fixed portion 221, and the other side is fixedly connected to the fixed frame 23, and the rotating portion 222 can rotate synchronously with the fixed frame 23, so that the fixed frame 23 swings left and right to flip the front beam 100 to a processing angle.

[0048] Further, refer to Figure 2 and Figure 4The locking mechanism 4 further includes a driving assembly, a fixing pin 43 and a positioning block 44. The driving assembly is arranged on the base 1, and the output end of the driving assembly is connected to the fixing pin 43 to drive the fixing pin 43 to move in the horizontal direction. The positioning block 44 is fixed to the fixing frame 23, and the positioning block 44 and the fixing pin 43 are arranged at intervals. The fixing pin 43 can be pressed against the positioning block 44 to lock and fix the fixing frame 23 relative to the base 1. Specifically, the driving assembly includes a bracket 45, a sixth driving source 46 and a connecting rod 47. The bracket 45 is arranged on the base 1, the sixth driving source 46 is arranged on the bracket 45, and the output end of the sixth driving source 46 is connected to one end of the connecting rod 47, and the other end of the connecting rod 47 is connected to the fixing pin 43. The positioning block 44 is fixed to the side of the fixing frame 23, and the positioning block 44 and the fixing pin 43 are arranged at intervals in the same horizontal plane. The positioning block 44 can be replaced according to the angle of the main pin hole. Similarly, the angle of the fixing pin 43 can be adjusted according to the angle of the positioning block 44. The sixth driving source 46 is a driving cylinder. The sixth driving source 46 is opened. Under the driving action of the sixth driving source 46, the connecting rod 47 is extended and retracted relative to the bracket 45. The connecting rod 47 drives the fixing pin 43 to approach or move away from the positioning block 44. When the fixing pin 43 approaches and presses against the positioning block 44, the fixing frame 23 is locked and fixed relative to the base 1, which can reduce the vibration of the front beam 100 during the processing. At the same time, it reduces the force exerted on the flipping mechanism 2 during processing, thereby reducing the wear of the flipping mechanism 2. When the fixing pin 43 is separated from the positioning block 44, the fixing frame 23 is unlocked relative to the base 1.

[0049] Further, refer to Figure 2 and Figure 6 The angle adjustment clamping device also includes a detection mechanism, which includes a detection sensor 6 and a control circuit board electrically connected to the detection sensor 6. The detection sensor 6 is arranged on the fixing frame 23. The detection sensor 6 is used to detect whether the front beam 100 is located on the fixing frame 23. The control circuit board is used to control the clamping mechanism 3 to open or close. Specifically, the detection sensor 6 adopts a high-angle inclined surface structure, which effectively avoids the processed waste hanging on the detection sensor 6, causing the size of the detection sensor 6 to change, thereby generating scrapped parts. When the detection sensor 6 detects that the front beam 100 is placed on the fixing frame 23, the detection sensor 6 sends a high level to the control circuit board, and the control circuit board can control the driving source of each mechanism to open, and the front beam 100 is clamped, rotated and processed.

[0050] Further, refer to Figure 5The milling cutter mechanism 5 includes a milling cutter 51 and an adjustment plate 52. The adjustment plate 52 is arranged on the base 1, and the adjustment plate 52 is detachably connected to the handle of the milling cutter 51. There are multiple adjustment plates 52, and multiple adjustment plates 52 are stacked. Specifically, the milling cutter mechanism 5 eliminates the problem that the overweight of the milling cutter 51 accelerates the wear of the tool magazine of the equipment itself and the milling cutter 51 is too large and occupies multiple magazines. In addition, the process of separately processing the lower end face of the kingpin hole is cancelled, which improves the processing efficiency of the equipment. The crescent plate is stably fixed to the tool magazine by cooperating with the clamping spring to prevent the milling cutter 51 from falling during processing or moving the workbench. By adjusting the thickness of the adjustment plate 52, the milling cutter 51 with different handle lengths can be matched.

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

Claims

1. Angle adjustment clamping device, characterized in that: include: Base (1); A turning mechanism (2), the turning mechanism (2) comprising a first driving source (21), a rotating member (22) and a fixing frame (23), the first driving source (21) being arranged on the base (1), and the output end of the first driving source (21) being connected to the rotating member (22), the first driving source (21) being used to drive the rotating member (22) to rotate relative to the base (1), and the fixing frame (23) being located above the base (1) and connected to the rotating member (22); A clamping mechanism (3), the clamping mechanism (3) comprising a first clamping assembly and a second clamping assembly, the first clamping assembly and the second clamping assembly are both arranged on the fixing frame (23), the first clamping assembly is used to clamp the main body of the front beam (100), and the second clamping assembly is used to clamp the end of the front beam (100); A locking mechanism (4), the locking mechanism (4) comprising a second driving source (41) and a locking member (42), the second driving source (41) being arranged on the base (1), and the output end of the second driving source (41) being connected to the locking member (42), the locking member (42) being able to rotate and abut against the fixing frame (23) under the action of the second driving source (41); A milling cutter mechanism (5), the milling cutter mechanism (5) is arranged on the base (1) and is used for processing the main pin hole of the front beam (100).

2. The angle adjustment clamping device according to claim 1, characterized in that: The first clamping assembly comprises two clamping members, the two clamping members are arranged opposite to each other and at a distance, the clamping members comprise a third driving source (31) and a clamping portion (32), the third driving source (31) is arranged on the fixing frame (23), and the output end of the third driving source (31) is connected to the clamping portion (32) and drives the clamping portion (32) to rotate, and the two clamping portions (32) can respectively abut against two sides of the front beam (100).

3. The angle adjustment clamping device according to claim 1, characterized in that: The first clamping assembly further comprises a fourth driving source (33), a connecting arm (34) and a pressing member (35); the fourth driving source (33) is arranged on the fixing frame (23), and the output end of the fourth driving source (33) is connected to one end of the connecting arm (34), and the other end of the connecting arm (34) is connected to the pressing member (35); the pressing member (35) can be pressed against the top surface of the front beam (100) in a vertical direction.

4. The angle adjustment clamping device according to claim 3, characterized in that: The pressing piece (35) has a V-shaped structure and is rotatably connected to the connecting arm (34) via a rotating shaft.

5. The angle adjustment clamping device according to claim 1, characterized in that: The second clamping assembly comprises a fifth driving source (36), a rotating member (37) and a supporting member (38); the fifth driving source (36) is arranged on the fixing frame (23), and the output end of the fifth driving source (36) is connected to the rotating member (37); the rotating member (37) can be rotated and pressed against the top surface of the end of the front beam (100) under the action of the fifth driving source (36); and the supporting member (38) is used to support the bottom surface of the end of the front beam (100).

6. The angle adjustment clamping device according to claim 1, characterized in that: The rotating member (22) comprises a fixed portion (221) and a rotating portion (222), wherein the fixed portion (221) is mounted on the base (1), the rotating portion (222) is connected to the fixed frame (23), and the rotating portion (222) is rotatably connected to the fixed portion (221).

7. The angle adjustment clamping device according to claim 1, characterized in that: The locking mechanism (4) further comprises a driving assembly, a fixing pin (43) and a positioning block (44); the driving assembly is arranged on the base (1), and an output end of the driving assembly is connected to the fixing pin (43) to drive the fixing pin (43) to move in a horizontal direction; the positioning block (44) is fixed to the fixing frame (23), and the positioning block (44) and the fixing pin (43) are arranged at a distance; the fixing pin (43) can be pressed against the positioning block (44) to lock and fix the fixing frame (23) relative to the base (1).

8. The angle adjustment clamping device according to claim 7, characterized in that: The driving assembly comprises a bracket (45), a sixth driving source (46) and a connecting rod (47); the bracket (45) is arranged on the base (1); the sixth driving source (46) is arranged on the bracket (45); the output end of the sixth driving source (46) is connected to one end of the connecting rod (47); and the other end of the connecting rod (47) is connected to the fixing pin (43).

9. The angle adjustment clamping device according to claim 1, characterized in that: The angle adjustment clamping device further comprises a detection mechanism, the detection mechanism comprising a detection sensor (6) and a control circuit board electrically connected to the detection sensor (6), the detection sensor (6) being arranged on the fixing frame (23), the detection sensor (6) being used to detect whether the front beam (100) is located on the fixing frame (23), and the control circuit board being used to control the clamping mechanism (3) to be opened or closed.

10. The angle adjustment clamping device according to claim 1, characterized in that: The milling cutter mechanism (5) comprises a milling cutter (51) and an adjustment plate (52); the adjustment plate (52) is arranged on the base (1), and the adjustment plate (52) is detachably connected to the handle of the milling cutter (51); there are a plurality of adjustment plates (52), and the plurality of adjustment plates (52) are stacked.

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