CN112171352B - A fully automatic ruler body datum surface processing device - Google Patents

Abstract

The invention provides a full-automatic ruler body datum plane machining device, and belongs to the technical field of machining equipment. The horizontal ruler solves the problems that when an existing horizontal ruler is machined, due to the fact that the width of a reference surface of a ruler body is relatively small, if a single ruler body is machined in sequence, time is wasted and the like. The ruler body processing device comprises a feeding and discharging mechanism, a fixing and clamping mechanism and a processing mechanism, wherein the feeding and discharging mechanism comprises a conveying device and a transfer device, a processing platform is arranged on the processing mechanism, the fixing and clamping mechanism is arranged on the processing platform and used for fixing and clamping a ruler body, the transfer device is arranged above the transfer station, and the transfer device is used for transferring the ruler body to be processed to the processing platform for processing and transferring the processed ruler body to the conveying device from the processing platform. The automatic feeding device has the advantages that the whole feeding, processing and discharging processes do not need manual operation, the automation degree is high, the labor intensity of workers is reduced, and the production efficiency and the product quality are greatly improved.

Description

A fully automatic ruler body datum surface processing device

technical field

The invention belongs to the technical field of processing equipment, and relates to an automatic ruler body datum surface processing device.

Background technique

The spirit level has a level bubble, which can be used for inspection, measurement, marking, equipment installation, and industrial engineering construction. The spirit level uses the principle of liquid level level to directly display the angular displacement with the level bubble, and measure the relative horizontal position of the measured surface, A measuring instrument for the deviation of the vertical position and the inclined position. The level is mainly used to detect or measure the level and verticality. It can be divided into aluminum alloy square tube type, I-shaped type, die-casting type, plastic type, special-shaped and other specifications. The straightness of the level material and the quality of the level bubble, Determines the accuracy and stability of the spirit level.

For the spirit level of the aluminum alloy square tube type, the measuring datum plane of the spirit level needs to be milled. Usually, the ruler is placed on the milling machine for processing. Since the width of the reference plane of the ruler is relatively small, if a single ruler is processed in sequence, it is very time-consuming, and the ruler is placed on the processing table of the milling machine every time. , all need to be fixed and clamped for reprocessing, and then the ruler body is removed after the processing is completed. This processing method not only has low work efficiency, but also has a very high labor intensity for operators.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems existing in the processing of the datum plane of the existing level, and propose a processing device for batch processing, automatic loading and unloading, and automatic clamping.

The object of the present invention can be realized through the following technical solutions:

A fully automatic ruler body datum surface processing device is characterized in that it includes a loading and unloading mechanism, a fixed clamping mechanism and a processing mechanism, and the loading and unloading mechanism includes a conveying device and a transfer device. The upper conveying platform and the lower conveying platform are placed on the lower conveying platform in close arrangement, and the upper and lower conveying platforms are provided with loading and unloading stations and transfer stations at the front and rear of the conveying device. The direction is relatively reversed and translated, so that the upper conveying platform and the lower conveying platform can be staggered corresponding to the loading and unloading station and the transfer station respectively. , the fixed clamping mechanism is arranged on the processing platform for fixing and clamping the ruler body, the transfer device is arranged above the above-mentioned transfer station, and the transfer device is used to transfer the ruler body to be processed on the lower conveying platform to the processing The processing is carried out on the platform, and the processed ruler is transferred from the processing platform to the upper conveying platform.

In the above-mentioned automatic ruler body datum surface processing device, the transfer device includes a transfer frame and a clamping assembly fixedly arranged on the transfer frame, the clamping assembly downwardly clamps the corresponding conveying station The ruler body is lifted and the transfer frame is also provided with a driving device for driving the clamping assembly to translate in the direction of the processing platform.

In the above-mentioned automatic ruler body datum surface processing device, the driving device includes a feeding frame, a first synchronous belt assembly and a first power motor, and the first power motor is fixedly arranged on the above-mentioned transfer frame, and the upper The material rack is slidably arranged on the transfer frame. The first synchronous belt assembly includes a first driving wheel, a first driven wheel and a first synchronous belt. The first driving wheel is fixedly connected with the motor shaft of the first power motor, and the first driven wheel It is rotatably arranged on the transfer frame. After the first synchronous belt is wound around the first driving wheel and the first driven wheel, the two ends of the first synchronous belt are fixedly connected with the feeding frame, and the first power motor drives the feeding frame to the processing. Platform direction translation.

In the above-mentioned automatic ruler body datum surface processing device, the drive device further includes a guide mechanism, the guide mechanism includes a guide rail and a slider, the two guide rails are fixedly arranged at the bottom of the feeding rack at intervals, and several sliders slide It is arranged on each guide rail, and the bottom of the slider is fixedly arranged on the transfer rack.

In the above-mentioned automatic ruler body datum surface processing device, the clamping assembly includes a clamping jaw, a wide air jaw and a lifting cylinder, the cylinder body of the lifting cylinder is fixedly arranged on the above-mentioned feeding frame, and the lifting cylinder is The piston rod extends vertically downward and is fixedly connected with a mounting plate. The cylinder body of the wide-type air claw is fixed on the mounting plate. The lifting cylinder is used to drive the wide-type air cylinder to move up and down. On the piston rod of the jaw, the wide air gripper drives the two jaws to open and close in the width direction, so that the jaws can clamp or release the corresponding ruler body.

In the above-mentioned automatic ruler body datum surface processing device, the conveying device includes a conveying frame, a second synchronous belt assembly and a second power motor, and the upper conveying platform and the lower conveying platform are slidably arranged on the conveying frame. Above, the second synchronous belt assembly includes a second synchronous belt rotatably arranged on the conveyor frame, the second synchronous belt includes an upper section and a lower section with opposite conveying directions, and the second power motor is fixedly arranged on the conveyor frame for driving the synchronous belt When the belt rotates, the upper conveying platform is fixedly connected with the upper section of the synchronous belt, and the lower conveying platform is fixedly connected with the lower section of the synchronous belt.

In the above-mentioned automatic ruler body datum surface processing device, the second synchronous belt assembly further includes a second driving wheel and a second driven wheel, a plurality of second driven wheels are rotatably arranged on the conveyor frame, and the second The driving wheel is fixedly connected with the motor shaft of the second power motor, and the second synchronous belt is closed and wound around the second driving wheel and each second driven wheel.

In the above-mentioned automatic ruler body datum surface processing device, an upper fixing block is fixed on the upper conveying platform, and a lower fixing block is fixed on the lower conveying platform. A pressure block is fixedly arranged, the upper section of the second synchronous belt is clamped and fixed between the upper fixed block and the pressure block, and the lower section of the second synchronous belt is clamped and fixed between the lower fixed block and the pressure block.

In the above-mentioned automatic ruler body datum surface processing device, the transfer frame is fixedly connected with the conveyor frame.

In the above-mentioned automatic ruler body datum surface processing device, the fixed clamping mechanism includes an upper and lower pressing device and a front and rear pressing device, a processing station is provided on the processing platform, and a number of ruler bodies to be processed are closely arranged Placed in the processing station, two sets of front and rear pressing devices are symmetrically arranged on the front and rear sides of the processing station, so that the two sets of front and rear pressing devices can press the front and rear sides of the ruler body, and the two sets of upper and lower pressing devices The left and right are symmetrically arranged on the left and right sides of the processing station, so that the two sets of upper and lower pressing devices can extend into the inner cavity of the left and right openings of each ruler body, and press down the inner cavity wall of the ruler body.

In the above-mentioned automatic ruler body datum surface processing device, the upper and lower pressing device includes an elastic pressing component, a translation cylinder and a supporting plate, the two supporting plates are slidably arranged on the processing platform, and the elastic pressing component is rotatably arranged On the two support plates, one end of the elastic pressing assembly close to the ruler body is always in a downwardly pressed state, and the cylinder body of the translation cylinder is fixedly arranged on the processing platform for driving the elastic pressing assembly to approach the ruler body. One side is translated so that the elastic pressing component extends into the inner cavity of the ruler body and compresses the ruler body downward.

In the above-mentioned automatic ruler body datum surface processing device, the elastic pressing component includes a pressing rod, a rotating shaft and a pressing spring, a plurality of pressing rods are arranged at intervals along the transfer direction, and the position of each pressing rod is Corresponding to the positions of each ruler, the two ends of the rotating shaft pass through the pressing rods and are respectively connected with the two support plates. A connecting plate is fixed on the piston rod of the translation cylinder, and the connecting plate is fixed with a connecting plate. A plurality of spring shafts, the spring shafts pass through each pressing rod upward to make the pressing rod movably connected to the connecting plate, and the pressing spring is sleeved on each spring shaft to drive the end of the pressing rod away from the ruler body to always rise upwards.

In the above-mentioned automatic ruler body datum surface processing device, the bottom of the pressing rod close to one end of the ruler body is provided with a guiding bevel.

In the above-mentioned automatic ruler body datum surface processing device, the front and rear pressing device includes a pressing plate, a driving member and a fixing plate, the fixing plate is fixedly arranged on the above-mentioned processing platform, and the driving member is fixedly arranged on the fixing plate for the purpose of Drive the pressing plate to move in the direction of the pressing ruler.

In the above-mentioned automatic ruler body datum surface processing device, the pressure plate includes a movable pressure plate and a fixed pressure plate, the fixed pressure plate is fixedly connected with the driving member, and a plurality of driving members correspondingly drive a pressure plate, and the movable pressure plate and the fixed pressure plate are connected with each other. A dovetail groove is correspondingly formed on the pressure plate, the movable pressure plate is slidably connected with the fixed pressure plate, and the bottom of the movable pressure plate abuts on the processing platform. The dovetail groove is designed for easy disassembly and replacement of the movable platen.

In the above-mentioned automatic ruler body datum surface processing device, the processing platform is further provided with a backing assembly, the backing assembly is located in the middle position of the fixed clamping mechanism, and two sets of rulers are respectively arranged on the two sides of the backing assembly. The front and rear pressing devices press and push the ruler body, so that the ruler body is pressed against the side of the backer assembly, and is pressed against the backer assembly by the front and rear pressing devices.

In the above-mentioned automatic ruler body datum surface processing device, the processing mechanism includes a milling machine.

Compared with the prior art, the present invention puts the ruler to be processed on the lower conveying platform, the lower conveying platform is in the loading and unloading station at this time, and the conveying device drives the lower conveying platform and the upper conveying platform to move, so that the lower conveying platform is moved. Transfer from the loading and unloading station to the transfer station, and the upper conveying platform is transferred from the transfer station to the loading and unloading station, so that the transfer device can transfer the ruler on the lower conveying platform to the processing station of the processing platform; The pressing device and the front and rear pressing devices automatically fix the ruler body in the up-down and front-rear directions respectively. After the processing is completed, the ruler body can be automatically released, so that the transfer device can transfer the processed ruler body to the upper conveying platform. The blanking process does not require manual operation, and the degree of automation is high, which reduces the labor intensity of workers and greatly improves production efficiency and product quality.

Description of drawings

Fig. 1 is the front view of the general structure of the present invention;

Fig. 2 is the top view of the conveying device and the transferring device of the present invention;

3 is a schematic structural diagram of the clamping assembly of the present invention;

FIG. 4 is a schematic diagram of the structure of the conveying device of the present invention.

Fig. 5 is the structural representation of the fixed clamping mechanism of the present invention;

Fig. 6 is the top view of the fixed clamping mechanism of the present invention;

Fig. 7 is the structural representation of the elastic pressing component of the present invention;

FIG. 8 is a schematic structural diagram of the front and rear pressing device of the present invention.

In the figure, 1, the ruler body; 2, the transfer frame; 201, the feeding frame; 202, the first power motor; 203, the first driving wheel; 204, the first driven wheel; 205, the first timing belt; 206, Rail; 207, Slider; 208, Gripper; 209, Wide Air Grip; 210, Lifting Cylinder; 211, Mounting Plate; 3, Conveyor Frame; 301, Second Power Motor; 302, Upper Conveying Platform; 303, Lower conveying platform; 304, the second driving wheel; 305, the second driven wheel; 306, the second timing belt; 307, the upper fixed block; 308, the lower fixed block; 309, the pressing block; 4, the translation cylinder; 401, the support plate; 402, pressure rod; 403, shaft; 404, pressure spring; 405, spring shaft; 406, fixed pressure plate; 407, movable pressure plate; 408, driving part; 409, fixed plate; 410, dovetail groove; 411, backer Components; 412, guide bevel; 5, milling machine; 501, processing platform.

Detailed ways

The following are specific embodiments of the present invention and combined with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

As shown in Figure 1, a fully automatic ruler body datum surface processing device according to the present invention includes a loading and unloading mechanism, a fixed clamping mechanism and a processing mechanism. The loading and unloading mechanism includes a conveying device and a transfer device. The conveying device There is an upper conveying platform 302 and a lower conveying platform 303 which are arranged up and down overlapping, and several ruler bodies 1 to be processed are placed in close arrangement on the lower conveying platform 303. The above-mentioned upper conveying platform 302 and the lower conveying platform 303 are relatively reversely translated along the front and rear directions, so that the upper conveying platform 302 and the lower conveying platform 303 can be staggered corresponding to the loading and unloading station and the transfer station respectively, and the processing mechanism is used for processing. For the reference plane of the milling ruler body 1, a processing platform 501 is arranged on the processing mechanism, and the fixed clamping mechanism is arranged on the processing platform 501 for fixing and clamping the ruler body 1, and the transfer device is arranged above the above-mentioned transfer station. , the transfer device is used to transfer the ruler body 1 to be processed on the lower conveying platform 303 to the processing platform 501 for processing, and transfer the processed ruler body 1 from the processing platform 501 to the upper conveying platform 302 .

As shown in FIG. 2, the transfer device includes a transfer frame 2 and a clamping assembly fixedly arranged on the transfer frame 2. The clamping assembly downwardly clamps the ruler body 1 on the corresponding conveying station and lifts it up to transfer the The frame 2 is also provided with a driving device for driving the clamping assembly to translate in the direction of the above-mentioned processing platform 501. The motor 202 is fixedly arranged on the above-mentioned transfer frame 2, the feeding frame 201 is slidably arranged on the transfer frame 2, and the first synchronous belt 205 assembly includes a first driving wheel 203, a first driven wheel 204, and a first synchronous belt 205. The first driving wheel 203 is fixedly connected with the motor shaft of the first power motor 202 , the first driven wheel 204 is rotatably arranged on the transfer frame 2 , and the first synchronous belt 205 is wound around the first driving wheel 203 and the first driven wheel 204 Then, both ends of the first synchronous belt 205 are fixedly connected with the feeding rack 201, and the first power motor 202 drives the feeding rack 201 to translate in the direction of the processing platform 501. The driving device further includes a guide mechanism, and the guide mechanism includes a guide rail 206 and the slider 207, the two guide rails 206 are fixedly arranged at the bottom of the feeding rack 201, a plurality of sliders 207 are slidably arranged on each guide rail 206, and the bottom of the slider 207 is fixedly arranged on the transfer frame 2.

As shown in FIG. 3 , the clamping assembly includes a clamping jaw 208, a wide air jaw 209 and a lifting cylinder 210. The cylinder body of the lifting cylinder 210 is fixed on the above-mentioned feeding rack 201, and the piston rod of the lifting cylinder 210 is vertically downward. The extension is fixed to a mounting plate 211, the cylinder body of the wide air gripper 209 is fixed on the mounting plate 211, the lifting cylinder 210 is used to drive the wide air gripper 209 to move up and down, and the two clamping jaws 208 are symmetrically arranged on the wide On the piston rod of the air gripper 209 , the wide air gripper 209 drives the two gripping jaws 208 to open and close in the width direction, so that the gripping jaws 208 clamp or release the corresponding ruler body 1 .

As shown in FIG. 4 , the conveying device includes a conveying frame 3, a second synchronous belt 306 assembly and a second power motor 301. The above-mentioned upper conveying platform 302 and lower conveying platform 303 are slidably arranged on the conveying frame 3, and the second synchronous belt The 306 component includes a second synchronous belt 306 rotatably arranged on the conveyor frame 3, the second synchronous belt 306 includes an upper section and a lower section with opposite conveying directions, and the second power motor 301 is fixedly arranged on the conveyor frame 3 for driving synchronization The belt rotates, the upper conveying platform 302 is fixedly connected with the upper section of the synchronous belt, the lower conveying platform 303 is fixedly connected with the lower section of the synchronous belt, and the second synchronous belt 306 assembly also includes a second driving wheel 304 and a second driven wheel 305, a plurality of second driven wheels 305 are rotatably arranged on the conveyor frame 3, the second driving wheels 304 are fixedly connected with the motor shaft of the second power motor 301, and the second timing belt 306 is closed and wound around the second driving wheel 304 and each The second driven wheel 305, an upper fixing block 307 is fixed on the upper conveying platform 302, a lower fixing block 308 is fixed on the lower conveying platform 303, and a The pressing block 309 , the upper section of the second synchronous belt 306 is clamped and fixed between the upper fixed block 307 and the pressing block 309 , and the lower section of the second synchronous belt 306 is clamped and fixed between the lower fixed block 308 and the pressing block 309 .

As shown in Figures 5 and 6, the fixed clamping mechanism includes up and down pressing devices and front and rear pressing devices, a processing station is provided on the processing platform 501, and a plurality of ruler bodies 1 to be processed are closely arranged in the processing station The two sets of front and rear pressing devices are symmetrically arranged on the front and rear sides of the processing station, so that the two sets of front and rear pressing devices can press the front and rear sides of the ruler body 1, and the two sets of upper and lower pressing devices are symmetrically arranged on the processing station. so that the two sets of upper and lower pressing devices can extend into the inner cavity of the left and right openings of each ruler body 1, and press down the inner cavity wall of the ruler body 1, and the processing platform 501 is also provided with a backing Assembly 411, the backer assembly 411 is located in the middle position of the fixed clamping mechanism, two sets of rulers 1 are arranged on both sides of the backer assembly 411, and the front and rear pressing devices press and push the ruler body 1, so that the ruler body 1 is directed to the backer assembly 411 is pressed against one side, and is pressed against the backer assembly 411 by the front and rear pressing devices.

The upper and lower pressing device includes an elastic pressing component, a translation cylinder 4 and a support plate 401. The two supporting plates 401 are slidably arranged on the processing platform 501, and the elastic pressing component is rotatably arranged on the two supporting plates 401. The elastic pressing component The end close to the ruler body 1 is always in a downward pressing state, and the cylinder body of the translation cylinder 4 is fixedly arranged on the processing platform 501 to drive the elastic pressing component to translate to the side close to the ruler body 1, so as to make the elastic compression The assembly extends into the inner cavity of the ruler body 1 and presses the ruler body 1 downward.

As shown in FIG. 7 , the elastic pressing assembly includes a pressing rod 402 , a rotating shaft 403 and a pressing spring 404 , a plurality of pressing rods 402 are arranged at intervals along the transfer direction, and the position of each pressing rod 402 corresponds to the position of each ruler body 1 One-to-one correspondence, the two ends of the rotating shaft 403 pass through the pressing rods 402 and are respectively fixed to the two support plates 401. A connecting plate is fixed on the piston rod of the translation cylinder 4, and a plurality of springs are fixed on the connecting plate. The shaft 405, the spring shaft 405 passes upward through each pressing rod 402, so that the pressing rod 402 is movably connected to the connecting plate, and the pressing spring 404 is sleeved on each spring shaft 405 to drive the end of the pressing rod 402 away from the ruler body 1 to always rise upwards , the bottom of the pressing rod 402 close to one end of the ruler body 1 is provided with a guiding bevel 412 .

As shown in FIG. 8 , the front and rear pressing devices include a pressing plate, a driving member 408 and a fixing plate 409. The fixing plate 409 is fixedly arranged on the above-mentioned processing platform 501, and the driving member 408 is fixedly arranged on the fixing plate 409 for driving the pressing plate to compress. The ruler body moves in the direction of 1. The pressure plate includes a movable pressure plate 407 and a fixed pressure plate 406. The fixed pressure plate 406 is fixedly connected with the driving member 408, and a plurality of driving members 408 drive a pressure plate correspondingly. The movable pressure plate 407 and the fixed pressure plate 406 are on the A dovetail groove 410 is respectively opened, the movable pressing plate 407 is slidably connected with the fixed pressing plate 406 , the bottom of the movable pressing plate 407 abuts on the above-mentioned processing platform 501 , and the design of the dovetail groove 410 is convenient for disassembly and replacement of the movable pressing plate 407 .

The working principle of the present invention is as follows:

1. Before processing, the lower conveying platform 303 is located at the loading and unloading station, and the upper conveying platform 302 is at the transfer station. The worker places the ruler bodies 1 to be processed on the lower conveying platform 303 in close arrangement, and the second power motor 301 rotates forwardly. Drive the second synchronous belt 306 to rotate, so that the lower conveying platform 303 is moved to the transfer station, and the upper conveying platform 302 is moved to the loading and unloading station;

2. The piston rod of the lift cylinder 210 extends outwards, pushing the two sets of wide air grippers 209 to descend. At this time, the piston rods of the wide air grippers 209 retract inward, driving the two gripping jaws 208 to clamp the ruler body 1 inward. The piston rod of the lift cylinder 210 is retracted inward, driving the ruler body 1 to rise, the first power motor 202 drives the first driving wheel 203 to rotate forward, and drives the loading frame 201 to move to the processing station. When the ruler body 1 is transferred to the processing station At the top of the station, the lift cylinder 210 pushes the two sets of wide air grippers 209 down, and the piston rods of the wide air grippers 209 protrude outward, and the two gripping jaws 208 release the ruler body 1, and the ruler body 1 is placed in the processing position. On the station, the lifting cylinder 210 drives two sets of wide air grippers 209 to rise, and the driving device drives the feeding rack 201 to exit the processing station;

3. When the transfer device transfers the ruler body 1 on the lower conveying platform 303 to the processing platform 501 of the milling machine 5, the second power motor 301 reverses and drives the second synchronous belt 306 to rotate reversely, so that the lower conveying platform 303 Move to the loading and unloading station, the upper conveying platform 302 is moved to the transfer station, and the worker closely arranges the ruler bodies 1 to be processed on the lower conveying platform 303;

4. After the ruler body 1 is placed on the processing platform 501, the piston rod of the translation cylinder 4 extends outward, and pushes the elastic pressing component to move in the direction of the ruler body 1, so that each compression rod 402 extends into each corresponding ruler body. In the inner cavity of 1, the pressing rod 402 is under the force of the compression spring 404, and the end of the pressing rod 402 close to the ruler body 1 presses the ruler body 1 downward; Press the ruler body 1 in the direction;

5. The milling machine 5 starts to process the datum surface of the ruler body 1;

6. After the processing is completed, the driving member 408 drives the pressing plate back to release the ruler body 1; the piston rod of the translation cylinder 4 is retracted inward, and the elastic pressing component is driven to return to its original position, and the ruler body 1 is released;

7. The driving device drives the feeding frame 201 to move to the processing station, the lifting cylinder 210 drives the two wide air grippers 209 to descend, the wide air gripper 209 drives the clamping jaw 208 to clamp the processed ruler body 1, and the lifting cylinder 210 drives the two The wide air gripper 209 rises, the driving device drives the feeding rack 201 to return to its original position, the wide air gripper 209 drives the clamping jaw 208 to release the ruler body 1, and the processed ruler body 1 is placed on the upper conveying platform 302;

8. The second power motor 301 rotates forward, and drives the second synchronous belt 306 to rotate, so that the lower conveying platform 303 is moved to the transfer station, the upper conveying platform 302 is moved to the loading and unloading station, and the ruler body 1 to be processed is transported to In the transfer station, the transfer device continues to transfer the ruler body 1 to be processed to the milling machine 5 for processing, and at the same time the processed ruler body 1 is transported to the loading and unloading station, and the worker removes the processed ruler body 1.

It should be understood that in the claims and description of the present invention, all "including..." should be understood as open-ended meaning, that is, its meaning is equivalent to "at least contains...", and should not be understood as closed-ended Meaning, i.e. its meaning should not be read as "contains only...".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definitions of the appended claims range.

Claims (5)

1. A full-automatic ruler body datum plane processing device is characterized by comprising a feeding and discharging mechanism, a fixing and clamping mechanism and a processing mechanism, wherein the feeding and discharging mechanism comprises a conveying device and a transfer device, the conveying device is provided with an upper conveying platform (302) and a lower conveying platform (303) which are arranged in an up-down overlapping mode, a plurality of ruler bodies (1) to be processed are tightly arranged on the lower conveying platform (303), a feeding and discharging station and a transfer station are arranged on the conveying device at intervals in the front-back direction, the upper conveying platform (302) and the lower conveying platform (303) relatively translate in the front-back direction in a reverse direction, so that the upper conveying platform (302) and the lower conveying platform (303) can respectively correspond to the feeding and discharging station and the transfer station in a staggered mode, the processing mechanism is used for processing and milling a datum plane of the ruler bodies (1), the processing mechanism is provided with the processing platform (501), the fixing and clamping mechanism is arranged on the processing platform (501) and used for fixing and clamping the ruler bodies (1), the transfer device is arranged above the transfer station and used for transferring the ruler bodies (1) to be processed on the lower conveying platform (303) to the processing platform (501) for processing and transferring the processed ruler bodies (1) to the upper conveying platform (302) from the processing platform (501), the fixing and clamping mechanism comprises an upper pressing device, a lower pressing device and a front pressing device and a rear pressing device, the processing platform (501) is provided with a processing station, a plurality of ruler bodies (1) to be processed are closely arranged in the processing station, the two groups of front pressing devices and the two groups of rear pressing devices are symmetrically arranged at the front side and the rear side of the processing station in a front-rear manner so as to enable the two groups of front pressing devices and the rear pressing devices to be capable of pressing the front side and the rear side of the ruler bodies (1), the two groups of upper pressing devices and the lower pressing devices are symmetrically arranged at the left side and the right side of the processing station so as to enable the two groups of upper pressing devices and the lower pressing devices to be capable of extending into the left-right two open cavities of each ruler body (1), and compress tightly the inner cavity wall of the ruler body (1) downwards, the upper and lower compressing device comprises an elastic compressing component, a translation cylinder (4) and supporting plates (401), the two supporting plates (401) are arranged on a processing platform (501) in a sliding manner, the elastic compressing component is arranged on the two supporting plates (401) in a rotating manner, one end of the elastic compressing component close to the ruler body (1) is always in a downward compressing state, a cylinder body of the translation cylinder (4) is fixedly arranged on the processing platform (501) and is used for driving the elastic compressing component to translate towards one side close to the ruler body (1) so as to enable the elastic compressing component to extend into the inner cavity of the ruler body (1) and compress the ruler body (1) downwards, the elastic compressing component comprises a compressing rod (402), a rotating shaft (403) and a pressure spring (404), a plurality of compressing rods (402) are arranged at intervals along the transfer direction, and the positions of the compressing rods (402) correspond to the positions of the ruler bodies (1) one by one, the two ends of the rotating shaft (403) penetrate through the pressing rods (402) and then are fixedly connected with the two supporting plates (401) respectively, a connecting plate is fixedly arranged on a piston rod of the translation cylinder (4), a plurality of spring shafts (405) are fixedly arranged on the connecting plate, the spring shafts (405) upwards penetrate through the pressing rods (402) to enable the pressing rods (402) to be movably connected onto the connecting plate, a pressure spring (404) is sleeved on each spring shaft (405) to drive one end, far away from the ruler body (1), of each pressing rod (402) to be lifted upwards all the time, the front pressing device and the rear pressing device comprise pressing plates, driving pieces (408) and fixing plates (409), the fixing plates (409) are fixedly arranged on the processing platform (501), the driving pieces (408) are fixedly arranged on the fixing plates (409) and used for driving the pressing plates to move towards the pressing ruler body (1), each pressing plate comprises a movable pressing plate (407) and a fixed pressing plate (406), and the fixed pressing plates (406) are fixedly connected with the driving pieces (408), the plurality of driving pieces (408) correspondingly drive one pressing plate, a dovetail groove (410) is correspondingly formed in each of the movable pressing plate (407) and the fixed pressing plate (406), the movable pressing plate (407) is in sliding connection with the fixed pressing plate (406), and the bottom of the movable pressing plate (407) abuts against the processing platform (501).

2. The full-automatic ruler body datum plane processing device according to claim 1, wherein the transfer device comprises a transfer rack (2) and a clamping component fixedly arranged on the transfer rack (2), the clamping component downwards clamps the ruler body (1) on the corresponding conveying station and lifts the ruler body, and a driving device is further arranged on the transfer rack (2) and used for driving the clamping component to translate towards the processing platform (501).

3. The full-automatic ruler body datum plane processing device according to claim 2, the driving device comprises a feeding frame (201), a first synchronous belt (205) component and a first power motor (202), wherein the first power motor (202) is fixedly arranged on the transfer rack (2), the feeding frame (201) is arranged on the transfer rack (2) in a sliding manner, the first synchronous belt (205) component comprises a first driving wheel (203), a first driven wheel (204) and a first synchronous belt (205), the first driving wheel (203) is fixedly connected with a motor shaft of the first power motor (202), the first driven wheel (204) is rotatably arranged on the transfer rack (2), the first synchronous belt (205) is wound and arranged after passing through the first driving wheel (203) and the first driven wheel (204), two ends of the first synchronous belt (205) are fixedly connected with the feeding frame (201), and the first power motor (202) drives the feeding frame (201) to move horizontally towards the direction of the processing platform (501).

4. The full-automatic ruler body datum plane processing device according to claim 3, wherein the clamping assembly comprises clamping jaws (208), wide gas claws (209) and a lifting cylinder (210), a cylinder body of the lifting cylinder (210) is fixedly arranged on the feeding frame (201), a piston rod of the lifting cylinder (210) vertically and downwards extends out and is fixedly connected with a mounting plate (211), the cylinder body of the wide gas claws (209) is fixedly arranged on the mounting plate (211), the lifting cylinder (210) is used for driving the wide gas claws (209) to vertically lift, the two clamping jaws (208) are symmetrically arranged on the piston rod of the wide gas claws (209), and the wide gas claws (209) drive the two clamping jaws (208) to open and close along the width direction so that the clamping jaws (208) clamp or release the corresponding ruler body (1).

5. The full-automatic ruler body reference surface processing device according to claim 1, wherein the conveying device comprises a conveying rack (3), a second synchronous belt (306) assembly and a second power motor (301), the upper conveying platform (302) and the lower conveying platform (303) are slidably arranged on the conveying rack (3), the second synchronous belt (306) assembly comprises a second synchronous belt (306) rotatably arranged on the conveying rack (3), the second synchronous belt (306) comprises an upper section and a lower section which are opposite in conveying direction, the second power motor (301) is fixedly arranged on the conveying rack (3) and used for driving the synchronous belt to rotate, the upper conveying platform (302) is fixedly connected with the upper section of the synchronous belt, and the lower conveying platform (303) is fixedly connected with the lower section of the synchronous belt.

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