Automatic clamping and positioning machining device

Abstract

The utility model discloses an automatic clamping and positioning machining device which comprises a rack, a machining assembly, a mounting plate and a clamping mechanism. The machining assembly is installed on the top of the rack. The mounting plate is positioned on the rack below the processing assembly; the clamping mechanism is connected to the mounting plate; the clamping mechanism comprises a mounting box, a rotating shaft, a mounting block, an electric push rod II, a clamping plate I and a clamping plate II; four groups of mounting boxes are arranged, and are respectively fixed on the corresponding moving plate I and the moving plate II through bolts; the rotating shaft is rotationally connected to the interior of the mounting box through a bearing, the mounting block is fixed to the side wall of the rotating shaft, the pair of electric push rods II is arranged and fixed to the side wall of the mounting block, and the clamping plate I and the clamping plate II are fixedly connected to output shafts of the corresponding electric push rods II. According to the utility model, the template can be clamped, so that the template is prevented from deviating in the machining process; and the special-shaped template can be clamped and fixed by the clamping plate II, so that the processing precision of the template can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to numerical control processing technical field, especially relate to a kind of automatic clamping positioning machining device. BACKGROUND

[0002] At present, when processing special-shaped template, the contact area of positioning and clamping device with special-shaped template is less, which will affect the stability of special-shaped template, and affect the accuracy of processing.

[0003] After searching, the prior art announcement No.CN219336919U, a kind of numerical control machine tool part processing positioning clamping device, including base, the upper end of base is fixedly connected with first electric push rod, the upper end of first electric push rod is fixedly connected with workbench, the upper surface of workbench is provided with installation groove, installation groove is fixedly connected with double-head motor in its inside, the output shaft of double-head motor is fixedly connected with threaded rod, the outer surface of threaded rod is threadedly connected with threaded block, the upper end of threaded block is fixedly connected with main positioning plate, the side of main positioning plate is fixedly connected with connecting rod, the lower end of connecting rod is fixedly connected with third electric push rod, the side of third electric push rod is fixedly connected with clamping plate, the upper end of workbench is provided with mounting plate symmetrically, the side of mounting plate is fixedly connected with second electric push rod;

[0004] After searching, the prior art announcement No.CN222154752U, a kind of numerical control machine tool processing positioning clamping device convenient to adjust, including shell, still including bearing assembly, pushing assembly, clamping assembly, support assembly, driving assembly, transmission assembly, the transmission assembly of auxiliary bearing assembly is set on the lower end of bearing assembly and is rotated and adjusted, bearing assembly's lower end is installed with the support assembly of circular, the inner wall of support assembly is installed with the driving assembly of starting transmission assembly, the outer wall of driving assembly is installed with shell, bearing assembly is installed with the pushing assembly of four corners center mobile clamping, pushing assembly is installed with the clamping assembly of buckle type connection through bolt on it;

[0005] The processing process of the above two patents has the following shortcomings: it is more convenient to clamp the template with flat side, but the contact area between clamping assembly and special-shaped template is less during clamping process of special-shaped template, which leads to insufficient stability of special-shaped template, further leads to vibration of special-shaped template during processing, and affects the accuracy of processing; Moreover, the template is easy to deviate during clamping, which affects the accuracy of clamping positioning. SUMMARY

[0006] The utility model discloses a purpose is to overcome the prior art's insufficient, provide a kind of automatic clamping positioning machining device, the clamping plate I in clamping mechanism can be clamped to template, prevent template from producing deviation in processing process, can improve the processing accuracy of template;Spring and clamping block cooperation in clamping plate II, can make clamping block adhere on the side wall of protrusion or recess of special-shaped template, to increase clamping area, further make clamping plate II to the clamping fixation of special-shaped template;Replace by clamping plate I and clamping plate II, can better clamping to different templates.

[0007] In order to realize the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0008] An automatic clamping positioning machining device, comprising a rack, a machining assembly, a mounting plate, and a clamping mechanism. The machining assembly is installed on the top of the rack. The mounting plate is located on the rack below the machining assembly. The clamping mechanism is connected to the mounting plate.

[0009] The clamping mechanism includes a mounting box, a rotating shaft, a mounting block, an electric push rod II, a clamping plate I, a bidirectional threaded rod, a moving plate I, a moving plate II, a motor, and a clamping plate II. The mounting plate is provided with a guide groove I and a guide groove II, which are perpendicular to each other, and the guide groove I extends below the guide groove II. The bidirectional threaded rod is provided with a pair of rods, which are respectively connected to the inside of the guide groove I and the guide groove II. The motor is provided with a pair of motors, which are fixed on the mounting plate, and the output end of the motor is connected to the corresponding bidirectional threaded rod. The moving plate I is located inside the guide groove I and is connected to the bidirectional threaded rod through a thread. The moving plate II is located inside the guide groove II and is connected to the bidirectional threaded rod through a thread. The mounting box is provided with four groups, which are respectively fixed on the corresponding moving plate I and moving plate II through bolts. The rotating shaft is rotatably connected to the mounting box through a bearing, the mounting block is fixed on the side wall of the rotating shaft, the electric push rod II is provided with a pair of rods, which are respectively fixed on the side wall of the mounting block, and the clamping plate I and the clamping plate II are fixedly connected to the output shaft of the corresponding electric push rod II.

[0010] The inside of the mounting box is provided with a rotating mechanism, which is connected to the rotating shaft. The rotating mechanism includes a gear, a rack, and an electric push rod III. The gear is connected to the rotating shaft, the top of the mounting box is provided with a limiting groove, the rack is installed in the limiting groove, the electric push rod III is fixed on the side wall of the mounting box, and the output shaft is connected to one end of the rack.

[0011] The clamping plate II is provided with a plurality of evenly distributed mounting grooves, the mounting grooves are fixed with springs, one end of the spring away from the clamping plate II is connected with a clamping block, and one end of the clamping block is located inside the mounting groove.

[0012] A set of clamping mechanisms is connected to both sides of the mounting box; the clamping mechanism includes a fixed plate, an electric push rod I, a connecting rod, and a clamping plate; the fixed plate is fixed to the side wall of the mounting box, and the electric push rod I is fixedly installed on the fixed plate; the connecting rod is rotatably connected to the output end of the electric push rod I through a rotating shaft; one end of the clamping plate is rotatably connected to the side wall of the mounting box through a rotating shaft; the end of the connecting rod away from the electric push rod I is rotatably connected to the clamping plate.

[0013] The advantages of this utility model compared with the prior art are as follows:

[0014] 1) In the clamping mechanism, the motor simultaneously provides power to drive the bidirectional threaded rod to rotate. The bidirectional threaded rod drives the moving plate I and the moving plate II to move along the guide groove I and the guide groove II respectively through the thread. The moving plate I and the moving plate II drive the mounting box to move, and the mounting box drives the rotating shaft and the clamping plate I to move, thereby clamping and fixing the template. The electric push rod II drives the clamping plate I to move, so that the clamping plate I can better clamp the template and prevent the template from shifting during processing, thereby improving the processing accuracy of the template. The motor simultaneously drives the bidirectional threaded rod to rotate, which can move the four sets of clamping plates I towards the center, thereby clamping and positioning the template and preventing the template from shifting.

[0015] 2) Electric push rod II drives clamping plate I to retract, and then electric push rod III provides power to drive rack to move along the limiting groove. The rack drives gear to rotate, gear drives rotating shaft to rotate, and rotating shaft drives mounting block to rotate, thereby replacing clamping plate I and clamping plate II, so that clamping plate II clamps and fixes the irregular template. The spring on clamping plate II cooperates with the clamping block to make the clamping block fit against the protruding or recessed side wall of the irregular template, thereby increasing the clamping area and further clamping and fixing the irregular template with clamping plate II.

[0016] 3) By replacing clamping plate I and clamping plate II, different templates can be clamped better. Attached Figure Description

[0017] Appendix Figure 1 This is a schematic diagram of the clamping mechanism in an automated clamping and positioning processing device of this utility model;

[0018] Appendix Figure 2 This is a schematic diagram of the structure of the mounting plate in an automated clamping and positioning processing device of this utility model;

[0019] Appendix Figure 3 This is a schematic diagram of the clamping mechanism in an automated clamping and positioning processing device according to this utility model;

[0020] Appendix Figure 4 This is a schematic diagram of the internal structure of the mounting box in an automated clamping and positioning processing device of this utility model;

[0021] Figure 1 is a structural schematic diagram of the automatic clamping and positioning machining device according to the present application; Figure 5 Figure 2 is a structural schematic diagram of the rotating mechanism in the automatic clamping and positioning machining device according to the present application;

[0022] Figure 3 is a structural schematic diagram of the automatic clamping and positioning machining device according to the present application; Figure 6

[0023] In the figure: 1, frame; 2, machining assembly; 3, mounting plate; 301, guide groove I; 302, guide groove II; 4, clamping mechanism; 401, mounting box; 4011, limiting groove; 402, rotating shaft; 403, mounting block; 404, electric push rod II; 405, clamping plate I; 406, bidirectional threaded rod; 407, moving plate I; 408, moving plate II; 409, rotating mechanism; 4091, gear; 4092, rack; 4093, electric push rod III; 411, motor; 412, clamping plate II; 4121, clamping block; 4122, spring; 4123, mounting groove; 5, pressing mechanism; 501, fixed plate; 502, electric push rod I; 503, connecting rod; 504, pressing plate; 6, template. DETAILED DESCRIPTION

[0024] For the convenience of understanding of the person skilled in the art, the following will be combined with the accompanying drawings to further specifically describe the technical scheme of the present application. Figures 1-6 The technical scheme of the present application is further specifically described as follows.

[0025] The automatic clamping and positioning machining device comprises a frame 1, a machining assembly 2, a mounting plate 3, and a clamping mechanism 4; the machining assembly 2 is installed on the top of the frame 1; the mounting plate 3 is located on the frame 1 below the machining assembly 2; the clamping mechanism 4 is connected to the mounting plate 3; first, the clamping mechanism 4 clamps and fixes the template 6 to be machined on the mounting plate 3, and then the machining assembly 2 processes the fixed template 6 to be machined.

[0026] ​The clamping mechanism 4 comprises a mounting box 401, a rotating shaft 402, a mounting block 403, an electric push rod II 404, a clamping plate I 405, a bidirectional threaded rod 406, a moving plate I 407, a moving plate II 408, a motor 411, a clamping plate II 412; the mounting plate 3 is provided with a guide groove I 301 and a guide groove II 302, the guide groove I 301 and the guide groove II 302 are perpendicular to each other, and the guide groove I 301 extends below the guide groove II 302; the bidirectional threaded rod 406 is provided with a pair of bidirectional threaded rods, which are respectively rotatably connected inside the guide groove I 301 and the guide groove II 302; the motor 411 is provided with a pair of motors, which are fixed on the mounting plate 3, and the output ends of the motors 411 are respectively connected with the corresponding bidirectional threaded rods 406; the moving plate I 407 is located inside the guide groove I 301 and is connected with the bidirectional threaded rod 406 through threads; the moving plate II 408 is located inside the guide groove II 302 and is connected with the bidirectional threaded rod 406 through threads; the mounting box 401 is provided with four groups of mounting boxes, which are respectively fixed on the corresponding moving plate I 407 and moving plate II 408 through bolts; the rotating shaft 402 is rotatably connected to the mounting box 401 through a bearing, the mounting block 403 is fixed on the side wall of the rotating shaft 402, the electric push rod II 404 is provided with a pair of electric push rods, which are respectively fixed on the side wall of the mounting block 403, and the clamping plate I 405 and the clamping plate II 412 are fixedly connected to the output shafts of the corresponding electric push rod II 404; the motor 411 simultaneously provides power to drive the bidirectional threaded rod 406 to rotate, and the bidirectional threaded rod 406 drives the moving plate I 407 and the moving plate II 408 to move along the guide groove I 301 and the guide groove II 302 through threads; the moving plate I 407 and the moving plate II 408 drive the mounting box 401 to move, and the mounting box 401 drives the rotating shaft 402 and the clamping plate I 405 to move, so as to clamp and fix the template 6; the electric push rod II 404 drives the clamping plate I 405 to move, so that the clamping plate I 405 can better clamp the template 6; the template 6 is prevented from deviating during processing, and the processing precision of the template 6 can be improved; the motor 411 simultaneously drives the bidirectional threaded rod 406 to rotate, so that the clamping plate I 405 in the four groups of mounting boxes 401 can move towards the center, so as to clamp and position the template 6, and prevent the template 6 from deviating.

[0027] The installation box 401 is internally provided with a rotating mechanism 409 connected with the rotating shaft 402; the rotating mechanism 409 comprises a gear 4091, a rack 4092 and an electric push rod III 4093; the gear 4091 is connected on the rotating shaft 402, the installation box 401 is provided at the top with a limiting groove 4011, the rack 4092 is installed in the limiting groove 4011, the electric push rod III 4093 is fixed on the side wall of the installation box 401, and the output shaft is connected at one end of the rack 4092; the electric push rod II 404 drives the clamping plate I 405 to retract, then the electric push rod III 4093 provides power to drive the rack 4092 to move along the limiting groove 4011, the rack 4092 drives the gear 4091 to rotate, the gear 4091 drives the rotating shaft 402 to rotate, the rotating shaft 402 drives the mounting block 403 to rotate, so as to replace the clamping plate I 405 and the clamping plate II 412, and the clamping plate II 412 clamps and fixes the special-shaped template.

[0028] The clamping plate II 412 is provided with a plurality of installation grooves 4123 uniformly distributed, the installation grooves 4123 are provided with springs 4122 and clamping blocks 4121, and the two ends of the spring 4122 are respectively fixed on the clamping block 4121 and the clamping plate II 412; the end of the clamping block 4121 away from the installation groove 4123 is in contact with the side surface of the template 6; the spring 4122 and the clamping block 4121 cooperate to enable the clamping block 4121 to be attached to the side wall of the convex or concave of the special-shaped template 6, so as to increase the clamping area, and further clamp and fix the special-shaped template 6 by the clamping plate II 412.

[0029] A group of pressing mechanisms 5 are respectively connected to the two sides of the installation box 401; the pressing mechanism 5 comprises a fixed plate 501, an electric push rod I 502, a connecting rod 503 and a pressing plate 504; the fixed plate 501 is fixed on the side wall of the installation box 401, and the electric push rod I 502 is fixedly installed on the fixed plate 501; the connecting rod 503 is rotationally connected at the output end of the electric push rod I 502 through a rotating shaft; one end of the pressing plate 504 is rotationally connected to the side wall of the installation box 401 through a rotating shaft; the end of the connecting rod 503 away from the electric push rod I 502 is rotationally connected with the pressing plate 504; the electric push rod I 502 provides power to drive the connecting rod 503 to rotate, and the connecting rod 503 drives the pressing plate 504 to rotate with the installation box 401 and the connected rotating shaft as the center, so as to press the end of the pressing plate 504 away from the installation box 401 on the upper surface of the template 6; the template 6 can be prevented from jumping during processing, and the processing precision of the template 6 is further improved.

[0030] The working process of the automatic clamping positioning machining device is as follows: firstly, the motor 411 in the clamping mechanism 4 provides power to drive the bidirectional threaded rod 406 to rotate, and the bidirectional threaded rod 406 drives the moving plate I 407 and the moving plate II 408 to move along the guide groove I 301 and the guide groove II 302 through threads; the moving plate I 407 and the moving plate II 408 drive the mounting box 401 to move, and the mounting box 401 drives the rotating shaft 402 and the clamping plate I 405 to move, so as to clamp and fix the template 6; the electric push rod II 404 drives the clamping plate I 405 to move, so that the clamping plate I 405 can better clamp the template 6; then the electric push rod I 502 in the pressing mechanism provides power to drive the connecting rod 503 to rotate, and the connecting rod 503 drives the pressing plate 504 to rotate around the mounting box 401 and the connected rotating shaft, so that the end of the pressing plate 504 away from the mounting box 401 is pressed on the upper surface of the template 6; the template 6 can be prevented from jumping during the machining process, and the machining precision of the template 6 is further improved; finally, the fixed template 6 to be machined is machined by the machining assembly 2.

[0031] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the range defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. An automated fixture positioning machining device comprising a frame, a machining assembly, a mounting plate, a clamping mechanism; characterized in that The processing assembly is installed on the top of the rack; the mounting plate is located on the rack below the processing assembly; the clamping mechanism is connected to the mounting plate; The clamping mechanism comprises a mounting box, a rotating shaft, a mounting block, an electric push rod II, a clamping plate I, a bidirectional threaded rod, a moving plate I, a moving plate II, a motor, and a clamping plate II; the mounting plate is provided with a guide groove I and a guide groove II, the guide groove I and the guide groove II are perpendicular to each other, and the guide groove I extends below the guide groove II; the bidirectional threaded rod is provided with a pair of rods, which are respectively rotatably connected inside the guide groove I and the guide groove II; the motor is provided with a pair of motors, which are fixed on the mounting plate, and the output ends of the motors are respectively connected with the corresponding bidirectional threaded rods; the moving plate I is located inside the guide groove I and is connected with the bidirectional threaded rod through a thread; the moving plate II is located inside the guide groove II and is connected with the bidirectional threaded rod through a thread; the mounting box is provided with four groups, which are respectively fixed on the corresponding moving plate I and moving plate II through bolts; the rotating shaft is rotatably connected inside the mounting box through a bearing, the mounting block is fixed on the side wall of the rotating shaft, the electric push rod II is provided with a pair of rods, which are respectively fixed on the side wall of the mounting block, and the clamping plate I and the clamping plate II are fixedly connected on the output shafts of the corresponding electric push rod II.

2. The automatic clamping and positioning machining device according to claim 1, characterized in that The rotating mechanism is provided inside the mounting box and connected with the rotating shaft; the rotating mechanism comprises a gear, a rack, and an electric push rod III; the gear is connected to the rotating shaft, the top of the mounting box is provided with a limiting groove, the rack is installed in the limiting groove, the electric push rod III is fixed on the side wall of the mounting box, and the output shaft is connected to one end of the rack.

3. The automatic clamping and positioning machining device according to claim 1, characterized in that The clamping plate II is provided with a plurality of evenly distributed mounting grooves, the mounting grooves are provided with springs and clamping blocks, and the two ends of the spring are respectively fixed on the clamping block and the clamping plate II; the end of the clamping block away from the mounting groove is in contact with the side surface of the template.

4. The automatic clamping and positioning machining device according to claim 1, characterized in that A set of pressing mechanisms is respectively connected to the two sides of the mounting box; the pressing mechanism comprises a fixed plate, an electric push rod I, a connecting rod, and a pressing plate; the fixed plate is fixed on the side wall of the mounting box, and the electric push rod I is fixedly installed on the fixed plate; the connecting rod is rotatably connected to the output end of the electric push rod I through a rotating shaft; one end of the pressing plate is rotatably connected to the side wall of the mounting box through a rotating shaft; and the end of the connecting rod away from the electric push rod I is rotatably connected with the pressing plate.

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