A kind of accessory processing fixture with positioning clamping mechanism

Abstract

A kind of accessory processing fixture with positioning and clamping mechanism, the present invention relates to the technical field of mechanical auxiliary tools; the lower side of the mounting plate is connected to the mounting disk through the clamping mechanism; the interference mechanism is arranged in the mounting plate in a one-to-one correspondence; the circular slider is slidably arranged in the arc-shaped sliding groove on the bottom wall of the arc-shaped groove, and the lower surface of the mounting plate is fixed with a rotating shaft, and the two rotating shafts are respectively screwed to the circular slider and the fixed plate through bearings; the rotating motor is embedded and fixed in the fixed plate, and the output shaft of the rotating motor is connected to a rotating rod through a synchronous wheel transmission assembly, and the rotating rod is screwed in the center of the fixed plate through a bearing, and a connecting rod is fixed on one side of the outer ring wall of the rotating rod, and after the connecting rod passes through the side wall of the fixed plate, it is located in the arc groove, and the connecting rod is fixedly connected to the circular slider; the two pipe ends can be clamped, and the clamping position can be adjusted according to the different angles of the two pipe ends, thereby improving the stability during clamping and preventing deviation.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical auxiliary tools, and in particular to a fitting processing fixture with a positioning and clamping mechanism. Background Art

[0002] A fixture is a tool used to fix the object being processed so that it occupies the correct position during the mechanical manufacturing process. When processing a tee joint, due to the different angles between the three pipe ends of the tee joint, only one of the pipe ends can be limited during processing and fixing. During processing, the tee joint will rotate and deviate, thus affecting the work efficiency during processing. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a reasonably designed and easy-to-use accessory processing fixture with a positioning and clamping mechanism, which can clamp two pipe ends and adjust the clamping position according to the different angles of the two pipe ends, thereby improving the stability during clamping and preventing deviation.

[0004] To achieve the above object, the present invention adopts the following technical solution: it comprises a fixing plate and a mounting plate, one side of the upper surface of the fixing plate is provided with an arc groove, and the other side of the upper surface of the fixing plate and the inner side of the arc groove are provided with mounting plates; it also comprises: Mounting plates, the number of the mounting plates being four, and the mounting plates being arranged opposite to each other on the upper side of the mounting plate, and the lower side of the mounting plates being connected to the mounting plate via a clamping mechanism; The interference mechanism is a plurality of the interference mechanisms, and each of the interference mechanisms is arranged in a one-to-one correspondence in the mounting plate, and the two interference mechanisms on the same mounting plate are arranged in coordination; A circular slider, wherein the circular slider is slidably arranged in the arc-shaped slide groove on the bottom wall of the arc-shaped groove, the upper side of the circular slider is arranged to abut against the mounting plate, and a rotating shaft is fixed on the lower surface of the mounting plate, and the two rotating shafts are respectively screwed to the circular slider and the fixing plate through bearings; A rotating motor, wherein the rotating motor is embedded and fixed in the fixed plate, and a rotating rod is connected to the output shaft of the rotating motor through a synchronous wheel transmission assembly, and the rotating rod is screwed in the center of the fixed plate through a bearing, and a connecting rod is fixed to one side of the outer ring wall of the rotating rod, and the connecting rod passes through the side wall of the fixed plate and is located in the arc groove, and the connecting rod is fixedly connected to the circular slider; Through the above technical scheme, according to the angle of the pipe end of the three-way joint, the rotating motor is started, and the rotating motor drives the rotating rod to rotate through the synchronous wheel transmission assembly. The rotating rod drives the circular slider to rotate through the connecting rod, and the circular slider drives the mounting disk thereon to rotate until the clamping mechanism and the interference mechanism are located in the appropriate position, and then the mounting disk is rotated with the rotating shaft as the axis, so that the clamping mechanism and the interference mechanism on the mounting disk are rotated to the appropriate angle, and then the mounting plate is driven to move by the clamping mechanism, and the mounting plate drives the interference mechanism to move until the interference mechanism interferes with the three-way joint.

[0005] As a further improvement of the present invention, the clamping mechanism comprises: Connecting plates, there are two connecting plates, which are respectively fixed to one side of the bottom wall of two mounting plates on the same mounting plate, and moving blocks are fixed on the lower side walls of the connecting plates, the moving blocks are arranged in a "cross" shape, and the moving blocks are slidably arranged in a cross slide groove on the mounting plate; There are two driven rods, one end of which is respectively screwed to the bottom wall of the moving block through a shaft, and the driven rod is movably arranged in a circular cavity on the mounting plate; An active rod, wherein the active rod is arranged at the lower side of the circular cavity, the two ends of the active rod are respectively screwed to the other ends of the two driven rods through the shaft rod, and a clamping motor is fixed to the middle end of the active rod, and the clamping motor is embedded and fixed in the mounting plate; Through the above technical solution, the clamping motor is started, the clamping motor drives the active rod to rotate, the active rod drives one end of the driven rod to move toward the middle side of the circular cavity, the other end of the driven rod drives the moving block to move, and the moving block drives the mounting plate to move through the connecting plate.

[0006] As a further improvement of the present invention, a support frame is fixed on one side of the connecting plate away from the center of the mounting plate, the support frame is arranged in an "L" shape, and the vertical plate of the support frame is fixed on the lower surface of the mounting plate; Through the above technical solution, the stability of the connection between the mounting plate and the connecting plate can be increased.

[0007] As a further improvement of the present invention, the interference mechanism comprises: An adjusting gear, wherein the adjusting gear is screwed to the inside of the mounting plate through a shaft, and racks are meshed on both sides of the adjusting gear, and both ends of the racks pass through the side walls of the mounting plate and are exposed on the outside of the mounting plate; Support limit bars, there are four support limit bars, and they are symmetrically fixed on the upper and lower side walls of the rack, and the support limit bars are slidably arranged in the slide grooves on the upper and lower inner walls of the mounting plate; There are two contact arc plates, which are respectively fixed to one end of the rack adjacent to the center of the mounting plate, and a plurality of anti-slip grooves are evenly spaced on the inner arc surface of the contact arc plate; Through the above technical solution, when the clamping mechanism drives the mounting plate to move, the mounting plate drives the adjusting gear to move, and the adjusting gear drives the contact arc plate to move until the contact arc plate contacts the accessory. When the rod ends of the accessories are of different thicknesses, when one of the contact arc plates contacts the rod end, the contact arc plate drives the rack to move, and the rack drives the adjusting gear to rotate, and the adjusting gear drives the other rack to move, and the other rack drives the contact arc plate on it to move, until both contact arc plates contact the rod end of the accessory.

[0008] As a further improvement of the present invention, a limit block is fixed on a side wall of the rack away from the center of the mounting plate, and the limit block is slidably arranged in a slide groove on the inner wall of the mounting plate to prevent the rack from moving out of the mounting plate.

[0009] As a further improvement of the present invention, two supporting arc plates are arranged between the two mounting plates, a plug plate is fixed on the lower side of the supporting arc plate, the lower side of the plug plate is inserted in the mounting plate, a plurality of push springs are inserted and fixed at equal intervals in the lower side wall of the plug plate, and the lower end of the push spring is fixed on the inner bottom wall of the mounting plate; Through the above technical solution, the lower side of the rod end can be supported by the supporting arc plate, and the pushing spring can make the plug plate on the lower side of the supporting arc plate in the mounting plate, thereby supporting rod ends of different sizes.

[0010] As a further improvement of the present invention, a guide rod is provided inside the push spring, the lower end of the guide rod is fixed on the inner bottom wall of the mounting plate, and the upper end of the guide rod is movably inserted in the plug plate; Through the above technical solution, the push spring can be supported without affecting the expansion and contraction of the push spring.

[0011] As a further improvement of the present invention, an annular groove is provided on the outer annular wall of the mounting plate, a support ring is embedded in one of the annular grooves, and the support ring is fixedly connected to the inner annular wall of the fixing plate, and support arc rods are provided on both sides of the other annular groove, and the support arc rods are respectively fixed on the arc inner walls on both sides of the arc groove; Through the above technical solution, the installation disk can be easily supported without affecting the rotation of the installation disk.

[0012] As a further improvement of the present invention, one side of the rotating shaft is connected to a driving rod through a worm gear pair, and the driving rod is respectively screwed in the fixed plate and the circular slider through bearings, one side of the two driving rods is connected to an active rotating rod through a synchronous wheel transmission assembly, a driving motor is embedded and fixed on one side of the fixed plate, and the output shaft of the driving motor is fixed to one end of the active rotating rod adjacent to it, connecting pieces are fixed to the adjacent ends of the two active rotating rods, and the protrusions on the adjacent ends of the two connecting pieces are staggered, and a connecting ball is arranged between the protrusions of the two connecting pieces, and the protrusion on the outer ring wall of the connecting ball is screwed to the protrusion of the connecting piece through a bearing; Through the above technical solution, when it is necessary to drive the mounting plate to rotate, the driving motor is started, and the driving motor drives the active rotating rod connected to it to rotate, and the active rotating rod drives another active rotating rod to rotate through the connecting piece and the connecting ball, and the two active rotating rods simultaneously drive the corresponding driving rods to rotate through the synchronous wheel transmission assembly, and the driving rod drives the rotating shaft to rotate through the worm gear pair, thereby driving the mounting plate to rotate, and when the mounting plate moves through the circular slider, the convex rod on the connecting piece at the end of the active rotating rod is screwed into the connecting ball, thereby not affecting the rotation of the active rotating rod.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Two mounting plates are provided on the fixing plate for installing the three-way joint fittings, so that the two pipe ends of the three-way joint fittings can be fixed, which improves the stability during clamping and prevents deviation; 2. The mounting plate is provided with a clamping mechanism, which can drive the mounting plate to move, and the mounting plate drives the resistance mechanism thereon to move, so as to clamp the accessories; 3. The conflict mechanism can conflict with the accessories through the conflict arc plate thereon, and the two conflict arc plates on the same mounting plate can be adjusted accordingly by adjusting the coordination between the gear and the rack, thus meeting the use of accessories of different specifications; 4. The rotating shafts on the lower sides of the two mounting plates can be driven by a driving rod and an active rotating rod, and the two active rotating rods can be connected by a connecting piece and a connecting ball, so that the mounting plates on both sides can rotate synchronously, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 It is an exploded view of the present invention.

[0016] Figure 3 It is an exploded view of the clamping mechanism, the interference mechanism and the mounting plate in the present invention.

[0017] Figure 4 for Figure 3 Enlarged view of part A in the middle.

[0018] Figure 5 It is an exploded view of the interference mechanism and the mounting plate in the present invention.

[0019] Figure 6 It is a schematic diagram of the structure of the interference arc plate in the present invention.

[0020] Figure 7 It is an exploded view of the mounting plate, the circular slider, the driving rod and the active rotating rod in the present invention.

[0021] Figure 8 for Figure 7 Enlarged view of part B in the middle.

[0022] Description of reference numerals: Fixed plate 1, arc groove 1-1, mounting plate 2, annular groove 2-1, mounting plate 3, clamping mechanism 4, connecting plate 4-1, moving block 4-2, driven rod 4-3, active rod 4-4, clamping motor 4-5, resistance mechanism 5, adjusting gear 5-1, rack 5-2, support limit strip 5-3, resistance arc plate 5-4, anti-slip groove 5-4-1, circular slider 6, rotating shaft 7, rotating motor 8, rotating rod 9, connecting rod 10, supporting frame 11, limit block 12, supporting arc plate 13, plug plate 14, pushing spring 15, guide rod 16, supporting ring 17, supporting arc rod 18, driving rod 19, active rotating rod 20, driving motor 21, connecting piece 22, connecting ball 23. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention. Example 1

[0024] like Figure 1-Figure 8 As shown, this embodiment includes a fixing plate 1 and a mounting plate 2, wherein an arc groove 1-1 is provided on the rear side of the upper surface of the fixing plate 1, and mounting plates 2 are provided on the front side of the upper surface of the fixing plate 1 and in the arc groove 1-1; an annular groove 2-1 is provided on the outer ring wall of the mounting plate 2, and a support ring 17 is embedded in the annular groove 2-1 on the front mounting plate 2, and the support ring 17 is welded and fixed to the inner ring wall of the fixing plate 1, and supporting arc rods 18 are provided on both sides of the other annular groove 2-1, and the supporting arc rods 18 are respectively welded and fixed on the arc inner walls on both sides of the arc groove 1-1, which can facilitate the support of the mounting plate 2 without affecting the rotation of the mounting plate 2; it also includes: The mounting plates 3 are four in number, and are arranged opposite to each other on the upper side of the mounting disk 2 in pairs, and the lower side of the mounting plates 3 is connected to the mounting disk 2 through a clamping mechanism 4; two supporting arc plates 13 are arranged between the two mounting plates 3, and a plug plate 14 is welded and fixed to the lower side of the supporting arc plate 13, and the lower side of the plug plate 14 is inserted in the mounting disk 2, and a number of push springs 15 are inserted and welded and fixed in the lower side wall of the plug plate 14 at equal distances, and the lower end of the push spring 15 is welded and fixed to the inner bottom wall of the mounting disk 2, and the lower side of the rod end can be supported by the supporting arc plate 13, and the push spring 15 can make the plug plate 14 on the lower side of the supporting arc plate 13 in the mounting disk 2, thereby supporting rod ends of different sizes; a guide rod 16 is arranged inside the push spring 15, and the lower end of the guide rod 16 is welded and fixed to the inner bottom wall of the mounting disk 2, and the upper end of the guide rod 16 is movably inserted in the plug plate 14, which can support the push spring 15 without affecting the extension and retraction of the push spring 15; The conflict mechanism 5 is a plurality of the conflict mechanisms 5, and each of the conflict mechanisms 5 is arranged in a one-to-one correspondence in the mounting plate 3, and the two conflict mechanisms 5 on the same mounting plate 2 are arranged in coordination; The circular slider 6 is slidably arranged in the arc-shaped slide groove on the inner bottom wall of the arc-shaped groove 1-1, the upper side of the circular slider 6 is arranged to abut against the mounting plate 2, and the lower surface of the mounting plate 2 is fixed with a rotating shaft 7, and the two rotating shafts 7 are respectively screwed to the circular slider 6 and the fixed plate 1 through bearings; The rotating motor 8 is embedded in and fixed in the fixed plate 1. The output shaft of the rotating motor 8 is connected with a rotating rod 9 through a synchronous wheel transmission assembly. The rotating rod 9 is screwed in the center of the fixed plate 1 through a bearing. A connecting rod 10 is fixed on one side of the outer ring wall of the rotating rod 9. After the connecting rod 10 passes through the side wall of the fixed plate 1, it is located in the arc groove 1-1, and the connecting rod 10 is fixedly connected to the circular slider 6. Example 2

[0025] See also Figure 1-3 As shown, based on Example 1, the clamping mechanism 4 includes: Connecting plate 4-1, there are two connecting plates 4-1, and they are respectively welded to one side of the bottom wall of two mounting plates 3 on the same mounting plate 2, and a support frame 11 is welded and fixed on one side of the connecting plate 4-1 away from the center of the mounting plate 2, and the support frame 11 is arranged in an "L" shape, and the vertical plate of the support frame 11 is fixed on the lower surface of the mounting plate 3, which can increase the stability of the connection between the mounting plate 3 and the connecting plate 4-1; the lower side wall of the connecting plate 4-1 is welded and fixed with a moving block 4-2, and the moving block 4-2 is arranged in a "cross" shape, and the moving block 4-2 is slidably arranged in a cross slide groove on the mounting plate 2; The driven rod 4-3 is two, and one end of each driven rod 4-3 is screwed to the bottom wall of the moving block 4-2 through a shaft, and the driven rod 4-3 is movably arranged in the circular cavity on the mounting plate 2; The active rod 4-4 is arranged on the lower side of the circular cavity, and the two ends of the active rod 4-4 are respectively screwed to the other ends of the two driven rods 4-3 through the shaft rod, and the middle end of the active rod 4-4 is fixed with a clamping motor 4-5, which is embedded and fixed in the mounting plate 2. Example 3

[0026] See also Figure 1-3 , Figure 5-6 As shown, based on Example 1, the conflict mechanism 5 includes: The adjusting gear 5-1 is screwed to the inside of the mounting plate 3 through a shaft, and racks 5-2 are meshed on both sides of the adjusting gear 5-1. The two ends of the rack 5-2 pass through the side walls of the mounting plate 3 and are exposed on the outside of the mounting plate 3. A limit block 12 is welded and fixed on one side wall of the rack 5-2 away from the center of the mounting plate 3. The limit block 12 is slidably set in a slide groove on the inner wall of the mounting plate 3, which can prevent the rack 5-2 from moving out of the mounting plate 3. Support limit bars 5-3, there are four support limit bars 5-3, and they are symmetrically welded and fixed on the upper and lower side walls of the rack 5-2, and the support limit bars 5-3 are slidably set in the slide grooves on the upper and lower inner walls of the mounting plate 3; The contact arc plate 5-4 is two in number and is respectively welded and fixed to one end of the rack 5-2 adjacent to the center of the mounting plate 2. A plurality of anti-skid grooves 5-4-1 are evenly spaced on the inner arc surface of the contact arc plate 5-4. Example 4

[0027] See also Figure 2 , Figure 7-8 As shown, on the basis of Example 1, one side of the rotating shaft 7 is connected to a driving rod 19 through a worm gear pair, and the driving rod 19 is respectively screwed into the fixed plate 1 and the circular slider 6 through bearings, and one side of the two driving rods 19 is connected to an active rotating rod 20 through a synchronous wheel transmission assembly, and a driving motor 21 is embedded and fixed on one side of the inside of the fixed plate 1, and the output shaft of the driving motor 21 is fixed to one end of the active rotating rod 20 adjacent thereto, and connecting members 22 are welded and fixed to the adjacent ends of the two active rotating rods 20, and the protrusions on the adjacent ends of the two connecting members 22 are staggered, and a connecting ball 23 is arranged between the protrusions of the two connecting members 22, and the protrusion on the outer ring wall of the connecting ball 23 is screwed to the protrusion of the connecting member 22 through a bearing.

[0028] When using the present invention, according to the angle of the three-way joint pipe end, the rotating motor 8 is started, and the rotating motor 8 drives the rotating rod 9 to rotate through the synchronous wheel transmission assembly, and the rotating rod 9 drives the circular slider 6 to rotate through the connecting rod 10, and the circular slider 6 drives the mounting plate 2 thereon to rotate until the clamping mechanism 4 and the resistance mechanism 5 are in a suitable position, and the driving motor 21 is started, and the driving motor 21 drives the active rotating rod 20 connected thereto to rotate, and the active rotating rod 20 drives another active rotating rod 20 to rotate through the connecting piece 22 and the connecting ball 23, and the two active rotating rods 20 simultaneously drive the corresponding driving rod 19 to rotate through the synchronous wheel transmission assembly, and the driving rod 19 drives the rotating shaft 7 to rotate through the worm gear pair, thereby driving the mounting plate 2 to rotate, and when the mounting plate 2 moves through the circular slider 6, the convex rod on the connecting piece 22 at the end of the active rotating rod 20 is screwed into the connecting ball 23, so as not to affect the rotation of the active rotating rod 20, so that the mounting plate 2 The clamping mechanism 4 and the resistance mechanism 5 are rotated to a suitable angle, and then the clamping motor 4-5 is started. The clamping motor 4-5 drives the active rod 4-4 to rotate, and the active rod 4-4 drives one end of the driven rod 4-3 to move toward the middle side of the circular cavity, and the other end of the driven rod 4-3 drives the moving block 4-2 to move, and the moving block 4-2 drives the mounting plate 3 to move through the connecting plate 4-1, and the mounting plate 3 drives the adjusting gear 5-1 to move, and the adjusting gear 5-1 drives the resistance arc plate 5-4 to move until the resistance arc plate 5-4 resists against the accessory. When the rod end of the accessory is of different thicknesses, when one of the resistance arc plates 5-4 resists against the rod end, the resistance arc plate 5-4 drives the rack 5-2 to move, and the rack 5-2 drives the adjusting gear 5-1 to rotate, and the adjusting gear 5-1 drives the other rack 5-2 to move, and the other rack 5-2 drives the resistance arc plate 5-4 thereon to move, until both resistance arc plates 5-4 resist against the rod end of the accessory.

[0029] Compared with the prior art, the beneficial effects of this specific implementation are as follows: 1. Two mounting plates 2 are arranged on the fixing plate 1 for installing the tee joint fitting, so that the two pipe ends of the tee joint fitting can be fixed, thereby improving the stability during clamping and preventing the occurrence of deviation; 2. The mounting plate 2 is provided with a clamping mechanism 4, which can drive the mounting plate 3 to move, and the mounting plate 3 drives the abutment mechanism 5 thereon to move, so as to clamp the accessories; 3. The conflict mechanism 5 can conflict with the accessories through the conflict arc plate 5-4 thereon, and the two conflict arc plates 5-4 on the same mounting plate 3 can be adjusted accordingly by adjusting the cooperation between the gear 5-1 and the rack 5-2, so as to meet the use of accessories of different specifications; 4. The rotating shaft 7 on the lower side of the two mounting plates 2 can be driven by the driving rod 19 and the active rotating rod 20, and the two active rotating rods 20 can be connected by the connecting piece 22 and the connecting ball 23, so as to achieve the effect of synchronous rotation of the mounting plates 2 on both sides, thereby improving work efficiency.

[0030] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fitting processing fixture with a positioning and clamping mechanism, comprising a fixing plate (1) and a mounting plate (2), wherein one side of the upper surface of the fixing plate (1) is provided with an arc-shaped groove (1-1), and the other side of the upper surface of the fixing plate (1) and the arc-shaped groove (1-1) are provided with the mounting plate (2); the characteristics are as follows: It also contains: Mounting plates (3), the number of the mounting plates (3) being four, and the mounting plates (3) being arranged opposite to each other on the upper side of the mounting plate (2), and the lower side of the mounting plates (3) being connected to the mounting plate (2) via a clamping mechanism (4); A plurality of the conflicting mechanisms (5) are arranged in a one-to-one correspondence in the mounting plate (3), and two conflicting mechanisms (5) on the same mounting plate (2) are arranged in coordination with each other; A circular slider (6), wherein the circular slider (6) is slidably disposed in an arc-shaped slide groove on the inner bottom wall of the arc-shaped groove (1-1), the upper side of the circular slider (6) is disposed in contact with the mounting plate (2), and a rotating shaft (7) is fixed on the lower surface of the mounting plate (2), and the two rotating shafts (7) are respectively screwed to the circular slider (6) and the fixing plate (1) through bearings; A rotating motor (8) is embedded in and fixed in a fixed plate (1); a rotating rod (9) is connected to the output shaft of the rotating motor (8) via a synchronous wheel transmission assembly; the rotating rod (9) is screwed into the center of the fixed plate (1) via a bearing; a connecting rod (10) is fixed to one side of the outer ring wall of the rotating rod (9); after the connecting rod (10) passes through the side wall of the fixed plate (1), it is located in the arc groove (1-1); and the connecting rod (10) is fixedly connected to the circular slider (6).

2. The accessory processing fixture with a positioning and clamping mechanism according to claim 1, characterized in that: The clamping mechanism (4) comprises: A connecting plate (4-1), wherein the connecting plates (4-1) are two in number and are respectively fixed to one side of the bottom wall of two mounting plates (3) on the same mounting plate (2); a moving block (4-2) is fixed to the lower side wall of each connecting plate (4-1); the moving block (4-2) is arranged in a "cross" shape, and the moving block (4-2) is slidably arranged in a cross slot on the mounting plate (2); A driven rod (4-3), wherein the driven rod (4-3) is two in number, and one end of each driven rod is respectively screwed to the bottom wall of the moving block (4-2) through a shaft rod, and the driven rod (4-3) is movably arranged in a circular cavity on the mounting plate (2); An active rod (4-4) is arranged at the lower side of the circular cavity, and the two ends of the active rod (4-4) are respectively screwed to the other ends of the two driven rods (4-3) through a shaft rod, and a clamping motor (4-5) is fixed to the middle end of the active rod (4-4), and the clamping motor (4-5) is embedded and fixed in the mounting plate (2).

3. The accessory processing fixture with a positioning and clamping mechanism according to claim 2, characterized in that: A support frame (11) is fixed to a side of the connecting plate (4-1) away from the center of the mounting plate (2); the support frame (11) is arranged in an "L" shape, and a vertical plate of the support frame (11) is fixed to the lower surface of the mounting plate (3).

4. The accessory processing fixture with a positioning and clamping mechanism according to claim 1, characterized in that: The conflict mechanism (5) comprises: An adjusting gear (5-1), the adjusting gear (5-1) being screwed to the inside of the mounting plate (3) via a shaft, racks (5-2) being meshed on both sides of the adjusting gear (5-1), and both ends of the racks (5-2) respectively passing through the side walls of the mounting plate (3) and being exposed on the outside of the mounting plate (3); Support limit bars (5-3), wherein there are four support limit bars (5-3), which are symmetrically fixed on the upper and lower side walls of the rack (5-2), and the support limit bars (5-3) are slidably arranged in the slide grooves on the upper and lower inner walls of the mounting plate (3); The plurality of contact arc plates (5-4) are respectively fixed to one end of the rack (5-2) adjacent to the center of the mounting plate (2); and a plurality of anti-slip grooves (5-4-1) are equidistantly arranged on the inner arc surface of the contact arc plate (5-4).

5. The accessory processing fixture with a positioning and clamping mechanism according to claim 4, characterized in that: A limiting block (12) is fixed on a side wall of the rack (5-2) away from the center of the mounting plate (3), and the limiting block (12) is slidably arranged in a sliding groove on the inner wall of the mounting plate (3).

6. The accessory processing fixture with a positioning and clamping mechanism according to claim 1, characterized in that: Two supporting arc plates (13) are arranged between the two mounting plates (3); an insert plate (14) is fixed to the lower side of the supporting arc plate (13); the lower side of the insert plate (14) is inserted into the mounting plate (2); a plurality of push springs (15) are inserted and fixed at equal intervals in the lower side wall of the insert plate (14); the lower end of the push spring (15) is fixed to the inner bottom wall of the mounting plate (2).

7. The accessory processing fixture with a positioning and clamping mechanism according to claim 6, characterized in that: The push spring (15) is provided with a guide rod (16) inside, the lower end of the guide rod (16) is fixed on the inner bottom wall of the mounting plate (2), and the upper end of the guide rod (16) is movably inserted in the plug plate (14).

8. The accessory processing fixture with a positioning and clamping mechanism according to claim 1, characterized in that: The outer annular wall of the mounting plate (2) is provided with an annular groove (2-1), a support ring (17) is embedded in one of the annular grooves (2-1), and the support ring (17) is fixedly connected to the inner annular wall of the fixing plate (1), and support arc rods (18) are provided on both sides of the other annular groove (2-1), and the support arc rods (18) are respectively fixed to the arc-shaped inner walls on both sides of the arc-shaped groove (1-1).

9. The accessory processing fixture with a positioning and clamping mechanism according to claim 1, characterized in that: One side of the rotating shaft (7) is connected to a driving rod (19) via a worm gear pair. The driving rod (19) is respectively screwed into the fixed plate (1) and the circular slider (6) via bearings. One side of the two driving rods (19) is connected to an active rotating rod (20) via a synchronous wheel transmission assembly. A driving motor (21) is embedded and fixed on one side of the fixed plate (1). The output shaft of the driving motor (21) is fixed to one end of the active rotating rod (20) adjacent thereto. Connecting members (22) are fixed to the adjacent ends of the two active rotating rods (20). The protrusions on the adjacent ends of the two connecting members (22) are arranged in a staggered manner. A connecting ball (23) is arranged between the protrusions of the two connecting members (22). The protrusion on the outer ring wall of the connecting ball (23) is screwed to the protrusion of the connecting member (22) via a bearing.

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