阅读说明：本技术 一种可调节精度的全自动金属板材的表面抛光装置 (Full-automatic sheet metal's of adjustable precision surface finish device ) 是由 莫卫国 于 2020-06-09 设计创作，主要内容包括：本发明装置的一种可调节精度的全自动金属板材的表面抛光装置,包括移动壳体和位于所述移动壳体内的加工装置,所述加工装置包括动力腔,所述动力腔的下侧设有开口向下的工作槽,所述移动壳体内设有两个关于所述动力腔左右对称的夹紧装置,所述夹紧装置包括传动腔以及位于所述传动腔和所述动力腔之间的联动腔,装置能够手动完成对工件的自动夹紧,同时在不频繁改变移动电机转向的前提下,自动弯成对工件表面的不同点的加工,提高了加工的精度,并保护移动电机不受损坏,且装置能够根据人为的需要,调整工件表面的加工精度,利用机械传动,成本低廉,且能够保证装置的运动精度。(The invention relates to a full-automatic metal plate surface polishing device with adjustable precision, which comprises a movable shell and a processing device positioned in the movable shell, the processing device comprises a power cavity, a working groove with a downward opening is arranged at the lower side of the power cavity, two clamping devices which are bilaterally symmetrical about the power cavity are arranged in the movable shell, each clamping device comprises a transmission cavity and a linkage cavity positioned between the transmission cavity and the power cavity, the device can manually finish automatic clamping of a workpiece, meanwhile, the workpiece is automatically bent to process different points on the surface of the workpiece on the premise of not frequently changing the steering of the movable motor, the processing precision is improved, the movable motor is protected from being damaged, the machining precision of the surface of the workpiece can be adjusted according to manual requirements, mechanical transmission is utilized, the cost is low, and the movement precision of the device can be guaranteed.)

1. The utility model provides a full-automatic sheet metal's of adjustable precision surface finish device, includes and removes the casing and be located remove the processingequipment in the casing which characterized in that: the processing device comprises a power cavity, a working groove with a downward opening is arranged on the lower side of the power cavity, two clamping devices which are bilaterally symmetrical about the power cavity are arranged in the movable shell, each clamping device comprises a transmission cavity and a linkage cavity positioned between the transmission cavity and the power cavity, a lower chute communicated with the working groove and an upper chute positioned on the upper side of the lower chute are arranged on the left end wall and the right end wall of the working groove, a fixed shell is arranged on the lower side of the movable shell, a clamping cavity with an upward opening is arranged in the fixed shell, a movable cavity is arranged on the lower side of the clamping cavity, the clamping cavity and the movable cavity are communicated through a through groove, a threaded shaft is rotatably connected between the left end wall and the right end wall of the movable cavity, a first bevel gear is fixedly connected in the middle of the threaded shaft, and two sections of threads which are bilaterally symmetrical about the first, the lower end face of the moving cavity is provided with two fixing grooves which are bilaterally symmetrical about the first bevel gear, and the upper end face of the fixing shell is provided with two rack plate grooves which are bilaterally symmetrical about the clamping cavity.

2. The surface polishing device for the full-automatic metal plate with adjustable precision as claimed in claim 1, wherein: the upper end face of the moving rod is fixedly connected with one end of a clamping pull rope, the front side of the first bevel gear is meshed with a second bevel gear, the axis of the second bevel gear is fixedly connected with a rotating handrail which extends forwards and is rotatably connected with the fixed shell, and the tail end of the front side of the rotating handrail is fixedly connected with the front side of the fixed shell.

3. The surface polishing device for the full-automatic metal plate with adjustable precision as claimed in claim 1, wherein: the tail end of the top of the moving rod is fixedly connected with a clamping shell located in the clamping cavity, an opening facing towards a rotating clamping groove of the first bevel gear is formed in the clamping shell, two clamping rotating plates which are arranged up and down are rotatably connected between the front end wall and the rear end wall of the rotating clamping groove, an upper clamping rotating spring and a lower clamping rotating spring are fixedly connected between the clamping rotating plates close to the left side, a rotating pin is rotatably connected between the front end wall and the rear end wall of the rotating clamping groove, two adjacent end faces of the clamping rotating plates are provided with rotating limiting pins which are symmetrical about the axes of the rotating pin, a jacking clamping strip is fixedly connected to the rotating pin, the left end face of the jacking clamping strip is fixedly connected with the other end of the clamping stay rope, and a torsion spring is fixedly connected between the rotating pin and the front end.

4. The surface polishing device for the full-automatic metal plate with adjustable precision as claimed in claim 1, wherein: a rack plate is fixedly connected to the end wall of one side of the rack plate groove, which is far away from the clamping cavity, four first T-shaped grooves with upward openings are arranged on the upper end surface of the fixed shell, the first T-shaped groove is connected with a T-shaped block in a sliding way, the tail end of the top of the T-shaped block is fixedly connected with the lower end surface of the movable shell, the upper end wall of the transmission cavity is rotationally connected with a second rotating shaft, a third bevel gear and a fixed turntable positioned on the lower side of the third bevel gear are fixedly arranged on the second rotating shaft, the lower side of the second rotating shaft is connected with a first spline shaft through a spline, the fixed turntable is connected with a gear through a spline, a second T-shaped groove with a downward opening is arranged on the lower end surface of the gear, a sliding block is connected in the second T-shaped groove in a sliding manner, one end of a first pull rope is fixedly connected to the lower end face of the sliding block, and a second spring is fixedly connected between the sliding block and the lower end face of the fixed rotary disc.

5. The surface polishing device for the full-automatic metal plate with adjustable precision as claimed in claim 1, wherein: a moving motor is fixedly arranged on the upper end face of the power cavity, a third rotating shaft is dynamically connected to the lower side of the moving motor, a fourth bevel gear is fixedly arranged on the third rotating shaft, a spline sleeve positioned on the lower side of the fourth bevel gear is connected to the third rotating shaft in a spline manner, two fifth bevel gears which are vertically arranged are fixedly connected to the spline sleeve and are vertically symmetrically arranged, a fourth rotating shaft which extends leftwards and rightwards is rotatably connected between the power cavity and the transmission cavity, a sixth bevel gear which is meshed and connected with the fourth bevel gear is fixedly connected to the fourth rotating shaft, a seventh bevel gear which is in gear fit connection with the third bevel gear is fixedly connected to the other end of the fourth rotating shaft, the tail end of the bottom of the spline sleeve is rotatably connected to a magnet plate, and the magnet plate is in sliding connection with the power cavity, the lower end face of the power cavity is connected with two magnets in a sliding mode, and the two magnets are fixedly connected and are opposite in up-down direction.

6. The surface polishing device for the full-automatic metal plate with adjustable precision as claimed in claim 1, wherein: a fifth rotating shaft extending leftwards and rightwards is rotatably connected between the linkage cavity and the power cavity, an eighth bevel gear positioned between the two fifth bevel gears is fixedly connected onto the fifth rotating shaft, a ninth bevel gear positioned in the linkage cavity is fixedly arranged on the fifth rotating shaft, the lower side of the ninth bevel gear is connected with a tenth bevel gear in a meshing manner, a sixth rotating shaft rotatably connected with the movable shell is fixedly connected at the axis of the tenth bevel gear, a rotating roller is fixedly connected onto the lower side of the sixth rotating shaft, a chute is arranged in the rotating roller, a second spline shaft extending upwards and downwards is connected between the chute and the lower end surface of the rotating roller in a spline manner, the tail end of the bottom of the second spline shaft is rotatably connected onto the lifting plate, an air pump is fixedly connected onto the lower end surface of the linkage cavity, and a telescopic shaft of the air pump is fixedly connected onto the lower end surface of the lifting plate, and the upper end surface of the second spline shaft is fixedly connected with a first friction wheel positioned in the sliding groove.

7. The surface polishing device for the full-automatic metal plate with adjustable precision as claimed in claim 1, wherein: control rotate between the linkage chamber and be connected with the rotation screw thread axle that extends about, the terminal fixedly connected with in the side of the left and right sides of rotation screw thread axle with first friction pulley friction connection's second friction pulley, the part that the rotation screw thread axle is located the work inslot is the screw thread setting, the epaxial threaded connection of rotation screw thread has the workstation that is located fifth bevel gear, the lower terminal surface fixedly connected with work motor of workstation, the downside power of work motor is connected with the power shaft, the terminal fixedly connected with work carousel in bottom of power shaft, sliding connection has the top shoe that extends to in the upper chute, the top shoe is kept away from a side terminal surface in work groove and with one side fixedly connected with second stay cord between the terminal surface of magnet.

Technical Field

The invention relates to the technical field of metal processing, in particular to a full-automatic metal plate surface polishing device with adjustable precision.

Background

At present, for the processing of metal surface, the conventional device needs the positive and negative rotation of manual control moving motor, and degree of automation is lower, and the quality can't be guaranteed, and to some devices that degree of automation is higher, adopt electronic component control mostly, the cost is higher and under this environment, and metal dust corrodes circuit element and breaks down easily, leads to the failure of work piece processing, causes the processing cost to increase.

Disclosure of Invention

Aiming at the technical defects, the invention provides a full-automatic metal plate surface polishing device with adjustable precision, which can overcome the defects.

The invention relates to a full-automatic metal plate surface polishing device with adjustable precision, which comprises a movable shell and a processing device positioned in the movable shell, wherein the processing device comprises a power cavity, a working groove with a downward opening is arranged at the lower side of the power cavity, two clamping devices which are symmetrical left and right relative to the power cavity are arranged in the movable shell, each clamping device comprises a transmission cavity and a linkage cavity positioned between the transmission cavity and the power cavity, a lower chute communicated with the working groove and an upper chute positioned at the upper side of the lower chute are arranged at the left end wall and the right end wall of the working groove, a fixed shell is arranged at the lower side of the movable shell, a clamping cavity with an upward opening is arranged in the fixed shell, a movable cavity is arranged at the lower side of the clamping cavity, and the clamping cavity and the movable cavity are communicated through a through groove, the clamping device is characterized in that a threaded shaft is rotatably connected between the left end wall and the right end wall of the moving cavity, a first bevel gear is fixedly connected in the middle of the threaded shaft, two sections of threads which are bilaterally symmetrical relative to the first bevel gear are arranged on the threaded shaft, two fixing grooves which are bilaterally symmetrical relative to the first bevel gear are arranged on the lower end face of the moving cavity, and two rack plate grooves which are bilaterally symmetrical relative to the clamping cavity are arranged on the upper end face of the fixing shell.

Preferably, the threaded shaft is connected with two moving rods which are bilaterally symmetrical about the first bevel gear through threads, the moving rods extend upwards to penetrate through the through grooves to the clamping cavities, a jacking groove is formed in the lower end face of each moving rod, a limiting block is connected in the jacking groove in a sliding mode, a first spring is fixedly connected between the limiting block and the upper end wall of the jacking groove, one end of a clamping pull rope is fixedly connected to the upper end face of the limiting block, a second bevel gear is meshed with the front side of the first bevel gear, a rotating handrail which extends forwards and is rotatably connected with the fixed shell is fixedly connected to the axis of the second bevel gear, and the tail end of the front side of the rotating handrail is fixedly connected with the front side of the fixed shell.

Preferably, the top end of the moving rod is fixedly connected with a clamping shell located in the clamping cavity, a rotating clamping groove with an opening facing the first bevel gear is formed in the clamping shell, two clamping rotating plates which are vertically arranged are rotatably connected between the front end wall and the rear end wall of the rotating clamping groove, a clamping rotating spring is fixedly connected between the upper clamping rotating plate and the lower clamping rotating plate and close to the left side of the upper clamping rotating plate and the lower clamping rotating plate, a rotating pin is rotatably connected between the front end wall and the rear end wall of the rotating clamping groove, rotating limiting pins which are symmetrical about the axis of the rotating pin are arranged on the adjacent end faces of the two clamping rotating plates, a top pressure clamping strip is fixedly connected to the rotating pin, the left end face of the top pressure clamping strip is fixedly connected with the other end of the clamping stay cord, and a torsion spring is fixedly.

Preferably, a rack plate is fixedly connected with the end wall of one side of the rack plate groove far away from the clamping cavity, the upper end surface of the fixed shell is provided with four first T-shaped grooves with upward openings, T-shaped blocks are connected in the first T-shaped grooves in a sliding way, the tail end of the top of the T-shaped block is fixedly connected to the lower end face of the movable shell, the upper end wall of the transmission cavity is rotatably connected with a second rotating shaft, a third bevel gear and a fixed turntable positioned on the lower side of the third bevel gear are fixedly arranged on the second rotating shaft, the lower side of the second rotating shaft is connected with a first spline shaft through a spline, the fixed turntable is connected with a gear through a spline, a second T-shaped groove with a downward opening is arranged on the lower end surface of the gear, a sliding block is connected in the second T-shaped groove in a sliding manner, one end of a first pull rope is fixedly connected to the lower end face of the sliding block, and a second spring is fixedly connected between the sliding block and the lower end face of the fixed rotary disc.

Preferably, a moving motor is fixedly arranged on the upper end surface of the power cavity, a third rotating shaft is dynamically connected to the lower side of the moving motor, a fourth bevel gear is fixedly arranged on the third rotating shaft, a spline sleeve positioned on the lower side of the fourth bevel gear is connected to the third rotating shaft in a spline manner, two fifth bevel gears which are vertically arranged are fixedly connected to the spline sleeve, the two fifth bevel gears are vertically and symmetrically arranged, a fourth rotating shaft which extends leftwards and rightwards is rotatably connected between the power cavity and the transmission cavity, a sixth bevel gear which is meshed and connected with the fourth bevel gear is fixedly connected to the fourth rotating shaft, a seventh bevel gear which is meshed and connected with the third bevel gear is fixedly connected to the other end of the fourth rotating shaft, the tail end of the bottom of the spline sleeve is rotatably connected to a magnet plate, and the magnet plate is slidably connected with the power cavity, the lower end face of the power cavity is connected with two magnets in a sliding mode, and the two magnets are fixedly connected and are opposite in up-down direction.

Preferably, a fifth rotating shaft extending left and right is rotatably connected between the linkage cavity and the power cavity, an eighth bevel gear positioned between the two fifth bevel gears is fixedly connected to the fifth rotating shaft, a ninth bevel gear positioned in the linkage cavity is fixedly arranged on the fifth rotating shaft, a tenth bevel gear is engaged and connected to the lower side of the ninth bevel gear, a sixth rotating shaft rotatably connected to the movable housing is fixedly connected to the axis of the tenth bevel gear, a rotating drum is fixedly connected to the lower side of the sixth rotating shaft, a chute is arranged in the rotating drum, a second spline shaft extending up and down is spline-connected between the chute and the lower end surface of the rotating drum, the bottom end of the second spline shaft is rotatably connected to the lifting plate, an air pump is fixedly connected to the lower end surface of the linkage cavity, and a telescopic shaft of the air pump is fixedly connected to the lower end surface of the lifting plate, and the upper end surface of the second spline shaft is fixedly connected with a first friction wheel positioned in the sliding groove.

Preferably, the left and right sides rotate between the linkage chamber and be connected with the rotation threaded spindle that extends about, the terminal fixedly connected with in the side of the left and right sides of rotation threaded spindle with first friction pulley friction connection's second friction pulley, the part that the rotation threaded spindle is located the work inslot is the screw thread setting, the epaxial threaded connection of rotation threaded spindle has the mobile workbench that is located the fifth bevel gear, the lower terminal surface fixedly connected with work motor of mobile workbench, the downside power of work motor is connected with the power shaft, the terminal fixedly connected with work carousel in bottom of power shaft, sliding connection has the top shoe that extends to in the work inslot in the top chute, the top shoe is kept away from one side terminal surface of work groove and with one side fixedly connected with second stay cord between the terminal surface of magnet.

The beneficial effects are that: the device can manually complete automatic clamping of the workpiece, automatically bends to process different points of the surface of the workpiece on the premise of not frequently changing the steering of the movable motor, improves the processing precision, protects the movable motor from being damaged, can adjust the processing precision of the surface of the workpiece according to artificial requirements, utilizes mechanical transmission, is low in cost, and can ensure the motion precision of the device.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a surface polishing device of a full-automatic metal plate with adjustable precision according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is an enlarged view of the structure at C in FIG. 1;

FIG. 5 is an enlarged view of the structure at D in FIG. 1;

fig. 6 is an enlarged view of the structure at E-E in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a full-automatic metal plate surface polishing device capable of adjusting precision, which comprises a movable shell 10 and a processing device 901 positioned in the movable shell 10, wherein the processing device 901 comprises a power cavity 12, a working groove 71 with a downward opening is arranged on the lower side of the power cavity 12, two clamping devices 902 which are bilaterally symmetrical relative to the power cavity 12 are arranged in the movable shell 10, each clamping device 902 comprises a transmission cavity 13 and a linkage cavity 47 positioned between the transmission cavity 13 and the power cavity 12, a lower chute 38 communicated with the working groove 71 and an upper chute 39 positioned on the upper side of the lower chute 38 are arranged on the left end wall and the right end wall of the working groove 71, a fixed shell 22 is arranged on the lower side of the movable shell 10, 903 is arranged in the fixed shell 22, the clamping cavity 14 with an upward opening is arranged in the 903, and a movable cavity 17 is arranged on the lower side of the clamping cavity 14, the clamping cavity 14 and the moving cavity 17 are communicated through a through groove 15, a threaded shaft 16 is rotatably connected between the left end wall and the right end wall of the moving cavity 17, a first bevel gear 19 is fixedly connected to the middle of the threaded shaft 16, two sections of threads which are bilaterally symmetrical about the first bevel gear 19 are arranged on the threaded shaft 16, two fixing grooves 20 which are bilaterally symmetrical about the first bevel gear 19 are arranged on the lower end surface of the moving cavity 17, and two rack plate grooves 32 which are bilaterally symmetrical about the clamping cavity 14 are arranged on the upper end surface of the fixing shell 22.

Advantageously, two moving rods 23 are screwed to the threaded shaft 16, the two moving rods 23 are bilaterally symmetrical with respect to the first bevel gear 19, the moving rods 23 extend upward to penetrate through the through slots 15 into the clamping cavity 14, a top pressing groove 18 is formed in the lower end surface of each moving rod 23, a limit block 73 is slidably connected to each top pressing groove 18, a first spring 21 is fixedly connected between each limit block 73 and the upper end wall of each top pressing groove 18, one end of a clamping pull rope 72 is fixedly connected to the upper end surface of each limit block 73, a second bevel gear 74 is engaged with the front side of each first bevel gear 19, a rotating handle 75 extending forward and rotatably connected with the fixed shell 22 is fixedly connected to the axial center of each second bevel gear 74, and a 76 located at the front side of the fixed shell 22 is fixedly connected to the front end of each rotating handle 75.

Advantageously, the top extremity of said mobile bar 23 is fixedly connected with a clamping housing 24 located inside said clamping chamber 14, a rotary clamping groove 81 opened toward the first bevel gear 19 is provided in the clamping housing 24, two clamping rotating plates 77 which are arranged up and down are rotatably connected between the front end wall and the rear end wall of the rotating clamping groove 81, a clamping rotating spring 82 is fixedly connected between the upper clamping rotating plate 77 and the lower clamping rotating plate at a position close to the left side, a rotating pin 79 is rotatably connected between the front end wall and the rear end wall of the rotating clamping groove 81, the adjacent end surfaces of the two clamping rotating plates 77 are provided with rotating limit pins 80 which are symmetrical about the axle center of the rotating pin 79, the rotating pin 79 is fixedly connected with a jacking and clamping strip 78, the left end surface of the jacking and clamping strip 78 is fixedly connected with the other end of the clamping pull rope 72, a torsion spring 85 is fixedly connected between the rotating pin 79 and the front and rear end walls of the rotating clamping groove 81.

Beneficially, a rack plate 30 is fixedly connected to an end wall of one side of the rack plate groove 32, which is far away from the clamping cavity 14, the upper end surface of the fixed casing 22 is provided with four first T-shaped grooves 35 with upward openings, a T-shaped block 29 is slidably connected to the first T-shaped grooves 35, the top end of the T-shaped block 29 is fixedly connected to the lower end surface of the movable casing 10, the upper end wall of the transmission cavity 13 is rotatably connected with a second rotating shaft 41, a third bevel gear 45 and a fixed rotary table 42 located at the lower side of the third bevel gear 45 are fixedly connected to the second rotating shaft 41, a first spline shaft 40 is splined to the lower side of the second rotating shaft 41, a gear 83 is splined to the fixed rotary table 42, a second T-shaped groove 33 with a downward opening is arranged on the lower end surface of the gear 83, a slider 34 is slidably connected to the second T-shaped groove 33, and one end of a first pull rope 31 is fixedly connected to the lower, a second spring 43 is fixedly connected between the slide block 34 and the lower end surface of the fixed turntable 42.

Advantageously, a moving motor 11 is fixedly arranged on the upper end surface of the power chamber 12, a third rotating shaft 63 is dynamically connected to the lower side of the moving motor 11, a fourth bevel gear 64 is fixedly arranged on the third rotating shaft 63, a spline housing 65 positioned on the lower side of the fourth bevel gear 64 is connected to the third rotating shaft 63 in a spline manner, two fifth bevel gears 70 arranged up and down are fixedly connected to the spline housing 65, the two fifth bevel gears 70 are symmetrically arranged up and down, a left and right extending fourth rotating shaft 48 is rotatably connected between the power chamber 12 and the transmission chamber 13, a sixth bevel gear 62 engaged with the fourth bevel gear 64 is fixedly connected to the fourth rotating shaft 48, a seventh bevel gear 46 engaged with the third bevel gear 45 is fixedly connected to the other end of the fourth rotating shaft 48, the bottom end of the spline housing 65 is rotatably connected to a magnet plate 68, magnet board 68 with power chamber 12 sliding connection's magnet board 68, the lower terminal surface sliding connection in power chamber 12 has two magnets 67, two magnets 67 fixed connection and the opposite magnet 67 of upper and lower direction.

Advantageously, a fifth rotating shaft 50 extending left and right is rotatably connected between the linkage cavity 47 and the power cavity 12, an eighth bevel gear 69 between the two fifth bevel gears 70 is fixedly connected to the fifth rotating shaft 50, a ninth bevel gear 49 in the linkage cavity 47 is fixedly arranged on the fifth rotating shaft 50, a tenth bevel gear 44 is engaged and connected to the lower side of the ninth bevel gear 49, a sixth rotating shaft 51 rotatably connected to the movable housing 10 is fixedly connected to the axial center of the tenth bevel gear 44, a rotating drum 58 is fixedly connected to the lower side of the sixth rotating shaft 51, a sliding slot 61 is arranged in the rotating drum 58, a second spline shaft 59 extending up and down is spline-connected between the sliding slot 61 and the lower end surface of the rotating drum 58, and the bottom end of the second spline shaft 59 is rotatably connected to the lifting plate 57, an air pump 60 is fixedly connected to the lower end face of the linkage cavity 47, a telescopic shaft of the air pump 60 is fixedly connected to the lower end face of the lifting plate 57, and a first friction wheel 52 located in the sliding groove 61 is fixedly connected to the upper end face of the second spline shaft 59.

Advantageously, a rotary threaded shaft 55 extending from left to right is rotatably connected between the left and right linkage chambers 47, a second friction wheel 56 frictionally coupled with the first friction wheel 52 is fixedly coupled to left and right ends of the rotary threaded shaft 55, the part of the rotating threaded shaft 55, which is positioned in the working groove 71, is provided with threads, the rotating threaded shaft 55 is connected with a movable workbench 25 positioned in the fifth bevel gear 70 through threads, the lower end surface of the movable worktable 25 is fixedly connected with a working motor 26, the lower side of the working motor 26 is connected with a power shaft 27, the bottom end of the power shaft 27 is fixedly connected with a working turntable 28, the upper chute 39 is internally and slidably connected with an upper slide block 53 extending into the working chute 71, a second pull rope 54 is fixedly connected between the end surface of the upper slide block 53, which is far away from the working groove 71, and the end surface of the magnet 67 on the same side.

In an initial state, the limit block 73 is located at a lower limit position, the lower side of the limit block 73 is located in the fixing groove 20, the first spring 21 is in a compressed state, the clamping rotating spring 82 is in a compressed state, the torsion spring 85 is in a torsional state, the working turntable 28 is at a left limit position, the right magnet 67 is located right above the magnet plate 68, the fifth bevel gear 70 is at an upper limit position, the eighth bevel gear 69 is meshed with the fifth bevel gear 70 at the lower side, the third spring 36 is in a normal state, the lower slide block 37 is at a limit position close to the working groove 71, the slide block 34 is at an upper limit position, and the second spring 43 is at a normal state; when the automatic clamping device starts to work, a workpiece is placed between the upper clamping rotating plate 77 and the lower clamping rotating plate 77, the rotating handrail 75 is driven to rotate through manual rotation 76, the two moving rods 23 are driven to move towards one side close to the first bevel gear 19 through rotation of the second bevel gear 74, the first bevel gear 19 and the threaded shaft 16, meanwhile, the limiting block 73 moves upwards, the clamping pull rope 72 is pulled, the jacking clamping strip 78 is driven to rotate, the rotating limiting pin 80 is separated, and one side, close to the first bevel gear 19, of the upper clamping rotating plate 77 and the lower clamping rotating plate 77 on the same side clamps the workpiece under the action of the clamping rotating spring 82, so that the workpiece is automatically clamped; the moving motor 11 and the working motor 26 are started, the third rotating shaft 63 and the power shaft 27 start to rotate, the power shaft 27 rotates to drive the power shaft 27 and the working turntable 28 to rotate, the third rotating shaft 63 rotates to drive the first friction wheel 52 to rotate through the spline sleeve 65, the fifth bevel gear 70, the lower-side eighth bevel gear 69, the fifth rotating shaft 50, the ninth bevel gear 49, the tenth bevel gear 44 and the sixth rotating shaft 51, the second pull rope 54 is driven to rotate through the second friction wheel 56 while the first friction wheel 52 rotates, the second pull rope 54 rotates to drive the second friction wheel 56 to rotate, and then the moving workbench 25 is driven to move from left to right to process the surface of the workpiece; when the movable workbench 25 moves to the rightmost end and presses the upper slider 53 and the lower slider 37, the third spring 36 on the right side is compressed, the lower slider 37 moves to one side far away from the working groove 71, and pulls the first pull rope 31 to drive the slider 34 and the gear 83 to move downwards, the slider 34 is connected with the rack plate 30, at this time, the third rotating shaft 63 rotates to drive the movable shell 10 and the device in the movable shell 10 to move backwards to move the T-shaped block 29 to slide in the first T-shaped groove 35 through the rotation of the sixth bevel gear 62, the fourth rotating shaft 48, the seventh bevel gear 46, the third bevel gear 45, the second rotating shaft 41, the first spline shaft 40 and the gear 83, and further, the working turntable 28 is adjusted to move backwards to process the position of the surface of the workpiece close to the back; meanwhile, the upper slide block 53 on the right side is pressed, the second pull rope 54 is pulled to move the magnet 67 to the right, the magnet 67 on the left side is located on the lower side of the magnet plate 68 at the moment, attraction force is generated on the magnet plate 68, the fifth bevel gear 70 and the eighth bevel gear 69 on the lower side are disconnected, the fifth bevel gear 70 and the eighth bevel gear 69 on the upper side are disconnected, the rotating threaded shaft 55 is driven to rotate reversely under the condition that the motor rotates forwards and backwards, the working turntable 28 is driven to move from the optimal position to the left, and the same vertical plane of the position, close to the rear side, of the workpiece is machined; when the machining precision of the surface of the workpiece needs to be adjusted, the air pump 60 is only needed to be started to drive the lifting plate 57 to move up and down, and then the second spline shaft 59 drives the first friction wheel 52 to move up and down on the surface of the second friction wheel 56, so that the transmission ratio of the sixth rotating shaft 51 and the rotating threaded shaft 55 is changed, the change of the left-right moving speed of the movable workbench 25 on the rotating threaded shaft 55 is realized, and the workpiece surface precision is changed by bending; after the device is used for processing a workpiece, the movable rod 23 is manually rotated reversely 76 to drive the limiting block 73 to return to the upper side of the fixing groove 20 again, the limiting block 73 is reset under the action of the first spring 21, the clamping pull rope 72 is loosened, the jacking clamping strip 78 is driven to rotate and reset under the action of the torsion spring 85, the workpiece is loosened and clamped, the position of the movable shell 10 does not need to be changed, and the workpiece can be processed from back to front only by rotating the movable motor 11 reversely when the device is used next time.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.