CN113305579A

CN113305579A - Dull polish puncher

Info

Publication number: CN113305579A
Application number: CN202110535400.2A
Authority: CN
Inventors: 姚怡琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-08-27

Abstract

The invention discloses a frosted perforating machine which comprises a machine body, wherein an arc-shaped cavity with an upper opening and a lower opening is formed in the machine body, a rotary table is arranged in the arc-shaped cavity in a rotating mode, the rotary table is in power connection with a first power source fixedly embedded in the rear wall of the arc-shaped cavity, a supporting table is fixedly arranged on the periphery of the rotary table and used for placing a workpiece, the workpiece can be drilled and subjected to surface treatment, two surfaces of the workpiece can be frosted, the workpiece does not need to be manually replaced, the workpiece can be overturned through the rotation of an overturning plate, the two surfaces of the workpiece can be automatically replaced, the round edge of the workpiece can be polished, meanwhile, the middle part of the workpiece can be perforated through a perforating drill, multiple purposes are achieved, and the practicability of the device is greatly improved.

Description

Dull polish puncher

Technical Field

The invention relates to the technical field of sanding, in particular to a sanding perforating machine.

Background

Some plates are cast or cut, burrs are formed on the surfaces and the peripheries of the plates, and the plates need to be polished or frosted.

Disclosure of Invention

The invention aims to provide a sanding and punching machine which is used for overcoming the defects in the prior art.

The invention relates to a sanding and perforating machine, which comprises a machine body, wherein an arc-shaped cavity with an upper opening and a lower opening is formed in the machine body, a rotary disc is rotationally arranged in the arc-shaped cavity, the rotary disc is in power connection with a first power source fixedly embedded in the rear wall of the arc-shaped cavity, a supporting table is fixedly arranged on the periphery of the rotary disc and used for placing a workpiece, a driving wheel is further rotationally arranged on the periphery of a hinged rod, the rear end of the driving wheel is in power connection with a second power source, the driving wheel can drive the workpiece to rotate when the workpiece is vertical, sliding cavities are formed in the left side and the right side of the arc-shaped cavity, threaded plates are respectively slidably arranged in the sliding cavities, lifting plates are respectively slidably arranged on the threaded plates, clamping blocks are respectively arranged on the mutually adjacent sides of the two lifting plates, clamping plates are respectively slidably arranged in the clamping blocks, clamping rotating wheels are respectively arranged on the mutually adjacent sides of the two clamping plates, the clamping rotating wheel is used for clamping the workpiece, a working box is arranged on the upper side of the machine body in a vertically sliding mode, a rotating column is arranged on the bottom surface of the working box in a rotating and sliding mode, a grinding disc is fixedly arranged on the bottom surface of the rotating column and used for grinding the workpiece, a rectangular cavity is formed in the rotating column, a punching drill bit is arranged in the rectangular cavity in a sliding mode and used for drilling the workpiece, a middle cavity is formed in the working box, a fixing block is fixedly arranged in the middle cavity, a first electromagnet mechanism is fixedly arranged on the bottom surface of the fixing block and connected with the top surface of the rotating column in a rotating and matching mode, a main motor is fixedly arranged on the bottom surface of the fixing block, the bottom end of the main motor is connected with a rectangular tooth block in a power mode, and an inner tooth cavity is formed in the bottom surface of the rectangular tooth block, the top surface of the perforating drill bit is fixedly provided with an outer tooth block, the outer tooth block can be inserted into the inner tooth cavity, so that the rectangular tooth block drives the outer tooth block to rotate, the rectangular tooth block can be inserted into the top wall of the rectangular cavity, and the rectangular tooth block drives the rotating column to rotate.

Further technical scheme, a stand has set firmly on the top surface of organism, the right-hand member of stand has set firmly the diaphragm, elevator motor has been embedded to the bottom surface of diaphragm, elevator motor's right-hand member power is connected with the threaded rod that extends right, it is equipped with two bilateral symmetry's thread piece to slide on the bottom surface of diaphragm, the thread piece with threaded rod screw-thread fit connects, the thread piece with it is articulated through the hinge bar between the work box.

A gravel cavity is formed in the top surface of the working box, pipelines are arranged on the left side and the right side of the middle cavity, the top of each pipeline is communicated with the gravel cavity, a sand blasting port is fixedly arranged on the bottom surface of the working box, the sand blasting ports are symmetrically distributed on the two sides of the sand grinding disc, the sand blasting ports are communicated with the pipelines, the sand blasting ports face the lower side of the sand grinding disc, two bilaterally symmetrical fixing rods are fixedly arranged on the bottom wall of the gravel cavity, hinge-jointed hinge rods are hinged on the fixing rods, a cover plate is fixedly arranged at one end, away from each other, of the two hinge rods, the cover plate can seal the top opening of the pipeline, two slide rods extending up and down are arranged on the top wall of the middle cavity in a sliding mode, the two slide rods are arranged in bilateral symmetry, and the top ends of the two slide rods are respectively and slidably hinged with the corresponding fixing rods, the bottom end of the sliding rod is fixed with a magnetic ring in the first electromagnet mechanism, the magnetic ring is rotatably connected with the rotating column, and a gap is formed between the sliding rod and the fixed block, so that the fixed block is not in contact with the sliding rod.

Further technical scheme, the outer tooth piece with install the spring between the dull polish pan, be covered with the lid on the top surface in grit chamber, set firmly the pump sand box on the top surface of organism, the pump sand box be used for to grit is pumped in the grit chamber, the pump sand box with communicate through the hose between the lid.

According to the technical scheme, a guide rail is arranged between the two bilaterally symmetrical lifting plates, the lifting plates are connected with the guide rail in a sliding fit mode, a hydraulic pump is fixedly arranged in the machine body, a fixing plate is fixedly arranged on the right side face of the guide rail and is in power connection with the hydraulic pump, and the fixing plate can lift through the working of the hydraulic pump.

According to the technical scheme, a clamping motor is fixedly embedded in the machine body, the left end of the clamping motor is in power connection with a bottom screw rod extending leftwards, the bottom screw rod is in threaded fit connection with the thread plate, and the thread turning directions of the left part and the right part of the bottom screw rod are opposite.

According to the technical scheme, the lifting plate is provided with a turnover plate in a rotating mode on a side face, close to each other, of the lifting plate, the clamping blocks are fixedly arranged on two side faces, close to each other, of the turnover plate, the clamping blocks are fixedly arranged on two sides of the turnover plate, second electromagnet mechanisms are fixedly arranged in the clamping blocks and used for controlling the left-right sliding of the clamping plates, one of the clamping blocks is fixedly provided with a turnover motor, and the turnover motor is connected with the turnover plate on one side of the lifting plate in a power mode and used for controlling the rotation of the turnover plate.

The working process of the invention is as follows:

firstly, controlling the rotary table to rotate to enable the clamping plate to face upwards, then placing a workpiece on a support table, controlling a clamping motor to work to enable a bottom screw rod to rotate, further enabling two threaded plates to approach each other, thereby enabling a lifting plate to move a turnover plate to approach the workpiece, simultaneously controlling a second electromagnet mechanism to work, enabling a clamping rotating wheel to clamp the workpiece, then controlling a lifting motor to work, enabling a threaded rod to rotate, thereby enabling two threaded blocks to approach each other, thereby enabling a work box to move downwards, further enabling a grinding disc to approach the workpiece, then controlling a first electromagnet mechanism to work, enabling a magnetic ring to move a rotating column to move upwards, enabling a rectangular tooth block to enter a rectangular cavity, separating from the rotating column, enabling an external tooth block to be inserted into an internal tooth cavity, simultaneously driving the rotating column to move upwards to enable a cover plate to seal a pipeline, then controlling a main motor to work, and enabling the rectangular tooth block to drive a punching drill bit to rotate, then controlling the lifting motor to work slowly to enable the punching drill bit to rotate to punch downwards;

after punching is finished, controlling the first electromagnet mechanism to work reversely, enabling the rotating column to move downwards, so that a punching drill bit is separated from the rectangular tooth block, enabling the grinding disc to be attached to a workpiece, enabling the rectangular tooth block to be inserted into the top wall of the rectangular cavity in a sliding mode, controlling the main motor to work at the moment, enabling the rectangular tooth block to drive the rotating column to rotate, enabling the grinding disc to rotate, enabling the sliding rod to be pulled downwards by the magnetic ring, enabling the cover plate to be opened, then controlling the sand pumping box to pump sand into the sand blasting cavity, enabling the sand blasting opening to drop onto the workpiece, and enabling the grinding disc to perform grinding operation;

when round edge processing is carried out, the hydraulic pump is controlled to work, the fixed plate drives the guide rail to move upwards, the supporting table is separated from a workpiece, the rotary table is controlled to rotate at the moment, the driving wheel faces upwards, the overturning motor is controlled to work, the overturning plate rotates, the clamping rotating wheel drives the workpiece to rotate and becomes vertical, at the moment, the hydraulic pump is controlled to work, the position of the workpiece is adjusted up and down, the driving wheel is attached to the periphery of the workpiece, the driving wheel is controlled to rotate, the workpiece is rotated, work is started to be attached to the periphery of the workpiece, the main motor is controlled to work, and the grinding disc is enabled to carry out edge grinding operation.

The invention has the beneficial effects that: the multifunctional drilling machine can be used for drilling and surface treatment of a workpiece, can be used for performing frosting treatment on two surfaces of the workpiece, does not need to replace the workpiece manually, can realize the turnover of the workpiece through the rotation of the turnover plate, and enables the two surfaces of the workpiece to be replaced automatically.

Drawings

FIG. 1 is a schematic view of a sanding punch of the present invention;

FIG. 2 is a schematic view of the internal structure of a sanding punch of the present invention;

FIG. 3 is a schematic top view of the clamping block of the present invention;

FIG. 4 is an enlarged partial schematic view of the work box of the present invention;

fig. 5 is an enlarged schematic view of a in fig. 4 according to the present invention.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent and the invention is more clearly described below in connection with the following examples, it is to be understood that the following text is intended merely to describe a sanding punch or several specific embodiments of the present invention and does not strictly limit the scope of the specifically claimed invention, as used herein, the terms up, down, left and right are not limited to their strict geometric definitions, but include tolerances for machining or human error rationality and inconsistency, the specific features of which are detailed below:

referring to fig. 1-5, the sanding and perforating machine according to the embodiment of the present invention includes a machine body 10, an arc-shaped cavity 48 having an upper opening and a lower opening is formed in the machine body 10, a rotary table 51 is rotatably disposed in the arc-shaped cavity 48, the rotary table 51 is in power connection with a first power source fixedly embedded in a rear wall of the arc-shaped cavity 48, a supporting table 44 is fixedly disposed on an outer periphery of the rotary table 51, the supporting table 44 is used for placing a workpiece 43, a driving wheel 49 is further rotatably disposed on an outer periphery of the hinge rod 55, a rear end of the driving wheel 49 is in power connection with a second power source, the driving wheel 49 can drive the workpiece 43 to rotate when the workpiece 43 is vertical, sliding cavities 70 are formed on left and right sides of the arc-shaped cavity 48, threaded plates 71 are slidably disposed in the sliding cavities 70, lifting plates 60 are slidably disposed on the threaded plates 71, clamping blocks 39 are disposed on sides of the two lifting plates 60 close to each other, the clamping block 39 is internally provided with clamping plates 40 in a sliding manner, two clamping plates 40 are arranged on a side face close to each other in a rotating manner and are provided with clamping rotating wheels 42, the clamping rotating wheels 42 are used for clamping the workpiece 43, the upper side of the machine body 10 is provided with a work box 20 in an up-down sliding manner, the bottom face of the work box 20 is provided with a rotating column 38 in a rotating manner and a rotatable and slidable manner, the bottom face of the rotating column 38 is fixedly provided with a grinding disc 24, the grinding disc 24 is used for grinding the workpiece 43, a rectangular cavity 28 is formed in the rotating column 38, a punching drill 25 is arranged in the rectangular cavity 28 in a sliding manner, the punching drill 25 is used for drilling the workpiece 43, a middle cavity 80 is formed in the work box 20, a fixing block 34 is fixedly arranged in the middle cavity 80, a first electromagnet mechanism 32 is fixedly arranged on the bottom face of the fixing block 34, and the first electromagnet mechanism 32 is connected with the top face of the rotating column 38 in a rotating and matching manner, set firmly a main motor 37 on the bottom surface of fixed block 34, the bottom power connection of main motor 37 has a rectangle tooth piece 30, a interior tooth chamber 29 has been seted up on the bottom surface of rectangle tooth piece 30, an outer tooth piece 26 has been set firmly on the top surface of hole drill 25, outer tooth piece 26 can insert in the interior tooth chamber 29, make rectangle tooth piece 30 drives outer tooth piece 26 is rotatory, rectangle tooth piece 30 can insert in the roof of rectangle chamber 28, make rectangle tooth piece 30 drives it is rotatory to rotate post 38.

Beneficially or exemplarily, an upright column 52 is fixedly arranged on the top surface of the machine body 10, a transverse plate 13 is fixedly arranged at the right end of the upright column 52, a lifting motor 18 is fixedly embedded in the bottom surface of the transverse plate 13, a threaded rod 15 extending rightwards is in power connection with the right end of the lifting motor 18, two bilaterally symmetrical threaded blocks 14 are slidably arranged on the bottom surface of the transverse plate 13, the threaded blocks 14 are in threaded fit connection with the threaded rod 15, and the threaded blocks 14 are hinged to the working box 20 through a hinge rod 17.

Beneficially or exemplarily, a gravel cavity 21 is formed on the top surface of the working box 20, pipelines 22 are disposed on both left and right sides of the middle cavity 80, the top of the pipeline 22 is communicated with the gravel cavity 21, a blasting port 23 is fixedly disposed on the bottom surface of the working box 20, the blasting port 23 is symmetrically distributed on both sides of the sanding plate 24, the blasting port 23 is communicated with the pipeline 22, the blasting port 23 faces the lower side of the sanding plate 24, two bilaterally symmetrical fixing rods 57 are fixedly disposed on the bottom wall of the gravel cavity 21, hinge rods 55 are hinged on the fixing rods 57, a cover plate 56 is fixedly disposed at one end of each hinge rod 55, the cover plate 56 can seal the top opening of the pipeline 22, two vertically extending slide rods 33 are slidably disposed on the top wall of the middle cavity 80, the two slide rods 33 are bilaterally symmetrical, the top ends of the two sliding rods 33 are respectively hinged with the corresponding fixing rods 57 in a sliding manner, the bottom ends of the sliding rods 33 are fixed with magnetic rings 81 in the first electromagnet mechanisms 32, the magnetic rings 81 are rotatably connected with the rotating columns 38, and a gap is formed between each sliding rod 33 and the corresponding fixing block 34, so that the fixing block 34 is not in contact with the corresponding sliding rod 33.

Advantageously or exemplarily, a spring 27 is installed between the external gear block 26 and the grinding plate 24, the top surface of the gravel cavity 21 is covered with a cover 16, the top surface of the machine body 10 is fixedly provided with a pump sand box 11, the pump sand box 11 is used for pumping gravel into the gravel cavity 21, and the pump sand box 11 is communicated with the cover 16 through a hose 12.

Beneficially or exemplarily, a guide rail 45 is disposed between two left-right symmetric lifting plates 60, the lifting plates 60 are connected with the guide rail 45 in a sliding fit manner, a hydraulic pump 46 is fixedly disposed in the machine body 10, a fixing plate 47 is fixedly disposed on a right side surface of the guide rail 45, the fixing plate 47 is in power connection with the hydraulic pump 46, and the fixing plate 47 can be lifted and lowered by operation of the hydraulic pump 46.

Beneficially or exemplarily, the clamping motor 54 is embedded in the machine body 10, a bottom screw 53 extending leftwards is connected to the left end of the clamping motor 54, the bottom screw 53 is in threaded fit connection with the threaded plate 71, and the thread directions of the left part and the right part of the bottom screw 53 are opposite.

Beneficially or exemplarily, two mutually adjacent side surfaces of the two lifting plates 60 are respectively provided with a turning plate 61 in a rotating manner, the clamping blocks 39 are fixedly arranged on the mutually adjacent side surfaces of the two turning plates 61, each of the turning plates 61 is fixedly provided with two clamping blocks 39, a second electromagnet mechanism 41 is fixedly arranged in each clamping block 39, the second electromagnet mechanism 41 is used for controlling the left and right sliding of the clamping plate 40, a turning motor 62 is fixedly arranged in one of the lifting plates 60, and the turning motor 62 is in power connection with the turning plate 61 on one of the side surfaces and is used for controlling the turning plate 61 to rotate.

The working process of the invention is as follows:

firstly, the rotary disc 51 is controlled to rotate to make the clamping plate 40 face upwards, then the workpiece 43 is placed on the support table 44, the clamping motor 54 is controlled to operate to rotate the bottom screw 53, and further the two screw plates 71 are close to each other, so that the lifting plate 60 drives the turnover plate 61 to close to the workpiece 43, and simultaneously the second electromagnet mechanism 41 is controlled to operate to make the clamping runner 42 clamp the workpiece 43, then the lifting motor 18 is controlled to operate to rotate the screw rod 15, so that the two screw blocks 14 are close to each other, so that the working box 20 moves downwards, and further the abrasive disc 24 is close to the workpiece 43, and then the first electromagnet mechanism 32 is controlled to operate, so that the magnetic ring 81 drives the rotary column 38 to move upwards, the rectangular tooth block 30 is inserted into the rectangular cavity 28 to be separated from the rotary column 38, and the outer tooth block 26 is inserted into the inner tooth cavity 29, and simultaneously the rotary column 38 drives the slide rod 33 to move upwards, so that the cover plate 56 seals the pipeline 22, then, the main motor 37 is controlled to work, the rectangular tooth block 30 drives the punching drill 25 to rotate, and then the lifting motor 18 is controlled to work slowly, so that the punching drill 25 rotates to punch downwards;

after the hole is punched, the first electromagnet mechanism 32 is controlled to work reversely, the rotating column 38 moves downwards, so that the punching drill 25 is separated from the rectangular tooth block 30, the grinding disc 24 is attached to the workpiece 43, the rectangular tooth block 30 is inserted into the top wall of the rectangular cavity 28 in a sliding manner, the main motor 37 is controlled to work, the rectangular tooth block 30 drives the rotating column 38 to rotate, so that the grinding disc 24 rotates, the sliding rod 33 is pulled downwards by the magnetic ring 81, the cover plate 56 is opened, then the pump sand box 11 is controlled to pump sand into the sand-grit cavity 21, the sand-grit drops onto the workpiece 43 from the sand-blasting opening 23, and the grinding disc 24 is subjected to the grinding operation;

when the round edge processing is carried out, the hydraulic pump 46 is controlled to work, the fixing plate 47 drives the guide rail 45 to move upwards, the supporting table 44 is further separated from the workpiece 43, the rotary table 51 is controlled to rotate at the moment, the driving wheel 49 faces upwards, the overturning motor 62 is controlled to work, the overturning plate 61 is controlled to rotate, the clamping rotary wheel 42 drives the workpiece 43 to rotate and become vertical, at the moment, the hydraulic pump 46 is controlled to work, the workpiece 43 is adjusted vertically, the driving wheel 49 is attached to the periphery of the workpiece 43, then the driving wheel 49 is controlled to rotate, the workpiece 43 is rotated, meanwhile, the grinding disc 24 is attached to the periphery of the workpiece 43, the main motor 37 is controlled to work, and the grinding disc 24 is controlled to carry out the edge grinding operation.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a dull polish puncher, includes the organism, its characterized in that: an arc-shaped cavity with an upper opening and a lower opening is formed in the machine body, a rotary disc is rotationally arranged in the arc-shaped cavity and is in power connection with a first power source fixedly embedded in the rear wall of the arc-shaped cavity, a supporting table is fixedly arranged on the periphery of the rotary disc and is used for placing a workpiece, a driving wheel is further rotationally arranged on the periphery of the hinge rod, the rear end of the driving wheel is in power connection with a second power source, the driving wheel can drive the workpiece to rotate when the workpiece is vertical, sliding cavities are formed in the left side and the right side of the arc-shaped cavity, threaded plates are respectively slidably arranged in the sliding cavities, lifting plates are respectively slidably arranged on the threaded plates, clamping blocks are respectively arranged on one sides, close to each other, of the two lifting plates, clamping plates are respectively slidably arranged in the clamping blocks, and clamping rotating wheels are respectively rotatably arranged on one side surface, close to each other, of the two clamping plates, the clamping rotating wheel is used for clamping the workpiece, a working box is arranged on the upper side of the machine body in a vertically sliding mode, a rotating column is arranged on the bottom surface of the working box in a rotating and sliding mode, a grinding disc is fixedly arranged on the bottom surface of the rotating column and used for grinding the workpiece, a rectangular cavity is formed in the rotating column, a punching drill bit is arranged in the rectangular cavity in a sliding mode and used for drilling the workpiece, a middle cavity is formed in the working box, a fixing block is fixedly arranged in the middle cavity, a first electromagnet mechanism is fixedly arranged on the bottom surface of the fixing block and connected with the top surface of the rotating column in a rotating and matching mode, a main motor is fixedly arranged on the bottom surface of the fixing block, the bottom end of the main motor is connected with a rectangular tooth block in a power mode, and an inner tooth cavity is formed in the bottom surface of the rectangular tooth block, the top surface of the perforating drill bit is fixedly provided with an outer tooth block, the outer tooth block can be inserted into the inner tooth cavity, so that the rectangular tooth block drives the outer tooth block to rotate, the rectangular tooth block can be inserted into the top wall of the rectangular cavity, and the rectangular tooth block drives the rotating column to rotate.

2. A sanding punch as defined in claim 1, wherein: the utility model discloses a hydraulic lifting machine, including organism, stand, diaphragm, lifting motor, threaded rod, screw block, hinge bar, the stand has set firmly on the top surface of organism, the right-hand member of stand has set firmly the diaphragm, lifting motor's the bottom surface is embedded to have elevator motor, elevator motor's right-hand member power is connected with the threaded rod that extends right, it is equipped with two bilateral symmetry's screw block to slide on the bottom surface of diaphragm, screw block with threaded rod screw-thread fit connects, screw block with it is articulated through the hinge bar between the work box.

3. A sanding punch as defined in claim 2, wherein: a gravel cavity is formed in the top surface of the working box, pipelines are arranged on the left side and the right side of the middle cavity, the top of each pipeline is communicated with the gravel cavity, a sand blasting opening is fixedly formed in the bottom surface of the working box, the sand blasting openings are symmetrically distributed in the two sides of the sand grinding disc, the sand blasting openings are communicated with the pipelines, the sand blasting openings face the lower side of the sand grinding disc, two bilaterally symmetrical fixing rods are fixedly arranged on the bottom wall of the gravel cavity, hinge-jointed hinge rods are hinged to the fixing rods, a cover plate is fixedly arranged at one end, far away from each other, of each hinge rod, the cover plate can seal the top opening of each pipeline, two slide rods extending up and down are arranged on the top wall of the middle cavity in a sliding mode, the two slide rods are bilaterally symmetrically arranged, the top ends of the two slide rods are respectively and slidably hinged to the corresponding fixing rods, and the bottom ends of the slide rods are all fixed to magnetic rings in the first electromagnet mechanism, the magnetic ring is rotatably connected with the rotating column, and a gap is formed between the sliding rod and the fixed block, so that the fixed block is not in contact with the sliding rod.

4. A sanding punch as defined in claim 3, wherein: the outer tooth piece with install the spring between the dull polish pan, be covered with the lid on the top surface in grit chamber, the pump sand box has set firmly on the top surface of organism, the pump sand box be used for to grit chamber intracavity pump grit, the pump sand box with communicate through the hose between the lid.

5. The sanding punch of claim 4, wherein: the left and right symmetry two be equipped with a guide rail between the lifter plate, the lifter plate with guide rail sliding fit connects, the hydraulic pump has set firmly in the organism, the fixed plate has set firmly on the right flank of guide rail, the fixed plate with hydraulic pump power is connected.

6. A sanding punch as defined in claim 5, wherein: the machine body is internally and fixedly embedded with a clamping motor, the left end of the clamping motor is in power connection with a bottom screw rod extending leftwards, the bottom screw rod is in threaded fit connection with the thread plate, and the thread turning directions of the left part and the right part of the bottom screw rod are opposite.

7. A sanding punch as defined in claim 6, wherein: two all rotate on the side that the lifter plate is close to each other and be equipped with the returning face plate, the grip block sets firmly two on the side that the returning face plate is close to each other, and every all set firmly two on the returning face plate the grip block, the grip block is the second electromagnet mechanism that has set firmly, second electromagnet mechanism is used for control the horizontal slip of grip block, one of them the lifter plate internal fixation has the upset motor, the upset motor is connected with the returning face plate power of one side wherein for control the returning face plate rotates.