CN111318940B

CN111318940B - Disordered primary processing equipment and method applied to playing walnuts

Info

Publication number: CN111318940B
Application number: CN202010275599.5A
Authority: CN
Inventors: 李凤石
Original assignee: Shaoxing Machinery Equipment R & D Co ltd
Current assignee: Shaoxing machinery equipment R & D Co.,Ltd.
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2021-06-08
Anticipated expiration: 2038-08-28
Also published as: CN109129122B; CN109129122A; CN111318940A

Abstract

The invention relates to the technical field of walnut processing for literary playing and discloses disordered primary processing equipment and a method applied to the walnut playing, and the equipment comprises a barrel, wherein a support frame is fixedly connected between the tops of the left side surface and the right side surface of the barrel, two sides of the top of the inner side of the support frame are fixedly connected with electric lifting rods through bolts, a sealing cover matched with the inner diameter of an opening at the top of the barrel is fixedly connected between the tail ends of the two electric lifting rods, a transverse movable groove is formed in the upper surface of the sealing cover, a bearing sliding rod is fixedly connected between the inner walls of the left side and the inner walls of the right side of the transverse movable groove. This be applied to unordered primary processing equipment of walnut is played to literary composition for the walnut carries out the omnidirectional running-in, great improvement the rough surface's of walnut degree of grinding and the degree of consistency, changed the tradition and carried out the mode of centre gripping location processing to the walnut, prevent the collision damage between the walnut, guarantee the integrality of walnut surface line.

Description

Disordered primary processing equipment and method applied to playing walnuts

The application is a divisional application applied to disordered primary processing equipment of Juglans regia Gao with the application date of 2018, 08 and 27 and the application number of CN 201810990582.0.

Technical Field

The invention relates to the technical field of Juglans mandshurica processing, in particular to disordered primary processing equipment and a disordered primary processing method applied to Juglans mandshurica.

Background

The pecans for literary use are pecans with collection value formed by selecting and processing pecans with special types and characteristics, the grains are required to be deep and clear, each pair of the pecans for literary use are similar in grains, consistent in size and equivalent in weight, the pecans for literary use are required to be roughly processed before being finely processed, the rough surfaces of the pecans for literary use can be sold and used only by being smooth after being ground, some pecans are rubbed and removed with sand paper, the mode has the disadvantages of large operation amount and low efficiency and is not suitable for batch processing, the existing devices for grinding and finishing the surfaces of some walnuts generally use the sand paper to carry out rigid grinding treatment on the walnuts, the walnuts need to be fastened and fixed, the grains on the surfaces of the walnuts are easy to damage, for example, the walnuts need to be clamped and ground in an edge grinding device of a walnut handicraft with the authorization bulletin No. CN205950442U, the grains on the surface of the walnut are easy to damage, the surface of the walnut is not uniform in running-in, and the texture of the walnut for literacy is influenced, so that a primary processing device for literacy walnuts is needed to process the rough surface of the walnut, and the loss of the device processing on the surface of the walnut is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides disordered primary processing equipment applied to the walnut for playing, and solves the problem that the rough surface of the walnut for playing is easy to damage when being polished.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the unordered primary processing equipment applied to the walnut for playing with the characters comprises a barrel body, a supporting frame is fixedly connected between the top parts of the left side surface and the right side surface of the barrel body, electric lifting rods are fixedly connected to two sides of the top part of the inner side of the supporting frame through bolts, a sealing cover matched with the inner diameter of the top opening of the barrel body is fixedly connected between the tail ends of the two electric lifting rods, a transverse movable groove is formed in the upper surface of the sealing cover, a bearing sliding rod is fixedly connected between the inner walls of the left side and the right side of the transverse movable groove, a bearing sliding block is movably inserted in the bearing sliding rod, a transverse fine adjustment mechanism is fixedly connected to the transverse movable groove of the upper surface of the sealing cover through bolts, the bottom of the transverse fine adjustment mechanism is connected with the bearing sliding block, a machine case is fixedly connected to the bottom of the bottom, the horizontal limiting plate of fixedly connected with between the left and right sides inner wall of barrel, the inboard bottom intermediate position of barrel passes through bolt fixedly connected with driving motor, driving motor's output shaft passes through shaft coupling fixedly connected with moment pivot, the mechanism is scrubbed to the lower surface and the fixedly connected with bearing of horizontal limiting plate in the one end of keeping away from driving motor in the moment pivot, the last fixed surface of horizontal limiting plate is connected with the ring bearing groove, the bottom swing joint that the mechanism was scrubbed to the bearing has the movable ball with the big or small looks adaptation of ring bearing inslot side, movable ball is located the inboard in ring bearing groove, the left side of support frame is provided with control panel.

Preferably, the horizontal fine-tuning includes horizontal fixed machine case, servo motor, impel the lead screw, screw-nut and connect logical groove, the horizontal movable groove department of the upper surface of sealed lid passes through the horizontal fixed machine case of bolt fixedly connected with, the right flank of horizontal fixed machine case passes through bolt fixedly connected with servo motor, servo motor's output shaft runs through the right side inner wall of horizontal fixed machine case and impels the lead screw through shaft coupling fixedly connected with, impel the lead screw to pass through bearing base swing joint at the left side inner wall of horizontal fixed machine case in the one end of keeping away from servo motor, it has screw-nut to impel threaded connection on the lead screw, the bottom of horizontal fixed machine case is seted up and is led the logical groove with the connection of horizontal movable groove phase intercommunication, the bottom of screw-nut passes through the logical.

Preferably, the limiting and pressing mechanism comprises a pressing disc, a limiting stopper and arc-shaped brushes, an output shaft of the torque motor penetrates through the bottom of the inner side of the case and is fixedly connected with the pressing disc, the lower surface of the pressing disc is fixedly connected with the limiting stopper and the arc-shaped brushes, the number of the arc-shaped brushes is twelve, every four arc-shaped brushes are uniformly distributed into three groups, the arc-shaped brush arc radiuses of each group are equal, the arc-shaped radiuses of the three groups of arc-shaped brushes are smaller from the outer side of the circular pressure plate inwards, the four arc-shaped brushes of each group are annularly distributed on the surface of the pressing disc, the three groups of arc-shaped brushes are all distributed in an annular array at the center of the lower surface of the pressing disc, the limiting stopper comprises a rectangular frame and corrugated stoppers, the corrugated stoppers are welded between the inner walls of the two sides, twelve groups of limiting blocking pieces are respectively distributed at the arc ends of the twelve arc-shaped brushes, and the difference between the inner diameter and the outer diameter of the limiting blocking pieces is eight millimeters smaller than that of the arc-shaped brushes.

Preferably, the bearing scrubbing mechanism comprises a bearing circular frame, an outer circular ring, a middle circular ring, an inner circular ring, an annular brush, an annular elastic friction pad and a placing circular groove, one end of the torque rotating shaft, which is far away from the driving motor, penetrates through the lower surface of the transverse limiting plate and is fixedly connected with the bearing circular frame, the outer circular ring, the middle circular ring and the inner circular ring are welded at the bottom of the inner side of the bearing circular frame from outside to inside in sequence, the inner side wall of the ring of the bearing circular frame, the inner side wall and the outer side wall of the outer circular ring, the inner side wall and the outer side wall of the middle circular ring and the outer side wall of the inner circular ring are fixedly connected with the annular brush, three annular elastic friction pads are laid at the bottom of the inner side of the bearing circular frame and are respectively located between the inner side wall of the bearing circular frame, the outer circular ring, the.

Preferably, the limiting and pressing mechanism is located right above the bearing and brushing mechanism, the difference between the inner diameters and the outer diameters of the arcs of the three groups of arc-shaped brushes is equal, the difference between the inner diameters and the outer diameters of three circular spaces formed between the inner side wall, the outer ring, the middle ring and the inner ring of the bearing circular frame is equal, the difference between the inner diameters and the outer diameters of the arc-shaped brushes is smaller than the difference between the inner diameters and the outer diameters of the outer ring and the middle ring, the group of arc-shaped brushes located on the outermost side of the lower surface of the pressing disk is located right above the circular space formed by the inner side wall of the bearing circular frame and the outer side wall of the outer ring, the group of arc-shaped brushes located on the inner side of the pressing disk is located right above the circular space formed by the inner side wall of the outer ring and the outer.

Preferably, the connection relation between the control panel and the servo motor, the electric lifting rod, the torque motor and the driving motor is electrically connected, and the control panel can control the on-off and running states of the servo motor, the electric lifting rod, the torque motor and the driving motor.

(III) advantageous effects

The invention provides disordered primary processing equipment applied to playing walnuts. The method has the following beneficial effects:

(1) the unordered primary processing equipment applied to the walnut for playing is characterized in that a bearing brushing mechanism, a driving motor, a torque rotating shaft and a limiting pressing mechanism are arranged and matched with each other, an output shaft of the driving motor drives the torque rotating shaft to rotate through a coupler, so that the torque rotating shaft drives the bearing brushing mechanism to rotate, the bearing brushing mechanism does circular motion in a circular ring bearing groove through movable balls at the bottom, pressure applied to the bearing brushing mechanism is transmitted to the circular ring bearing groove through the movable balls, the rotation stability of the bearing brushing mechanism is guaranteed, meanwhile, the walnut is placed in a placing circular groove to be in contact with the limiting pressing mechanism, the rotation direction of the torque motor is opposite to that of the driving motor, the limiting stopper limits the corresponding walnut in a corresponding arc-shaped brush, so that the limiting stopper is in contact with the surface of the walnut, drive the walnut and carry out scrubbing mechanism opposite direction activity with the bearing, make the surface and annular brush and the ring elastic friction pad of walnut to rub rotatoryly, and the arc brush also carries out the rubbing action to the walnut surface, make the walnut carry out the omnidirectional running-in, great improvement the degree of grinding and degree of consistency and the degree of consistency on the coarse surface of walnut, the mode that the tradition carried out centre gripping location processing to the walnut has been changed, the spacing fender piece of every group keeps apart the walnut that each running-in simultaneously, prevent the collision damage between the walnut, guarantee the integrality of walnut surface line.

(2) This be applied to unordered primary processing equipment of walnut is played to literary composition, mutually support through setting up horizontal fine-tuning and spacing hold-down mechanism, when spacing hold-down mechanism carries out the rotation and compresses tightly, horizontal fine-tuning can pass through the horizontal reciprocating motion of bearing slider on the bearing slide bar, make the bearing slider carry out the circulation fine setting of controlling through quick-witted case drive moment motor, moment motor drives the circulation activity that spacing hold-down mechanism controlled about going on, make arc brush and spacing fender horizontal activity, the arc brush drives the walnut that compresses tightly and carries out horizontal activity, thereby make the walnut surface move about rotatoryly, the unordered nature of activity when having increased the walnut and polishing, thereby make the more comprehensive friction roll of the coarse surface of walnut, the quality of walnut surface running-in is improved.

(3) This be applied to unordered primary processing equipment of walnut is played to literary composition, mutually support through setting up bearing slide bar and bearing slider, the bearing slider is compressed tightly quick-witted case, torque motor and spacing hold-down mechanism's the pulling activity of carrying on, reduces the radial moment that screw-nut acted on the propulsion lead screw, the stability of activity about the horizontal fine-tuning of guarantee constructs.

(4) This be applied to unordered primary processing equipment of walnut is played to literary composition, place the support to the walnut through setting up ring elastic friction pad, place the walnut placing the circular slot in, the walnut can roll out under arc brush and bearing circle frame relative rotation's pressure effect and place the circular slot, the walnut body carries out unordered activity under spacing keeping off piece, and the pressure transmission that the arc brush acted on the walnut body gives ring elastic friction pad, ring elastic friction pad is compressed after the pressure of receiving the walnut, prevent that the too big pressure of arc brush leads to walnut surface activity's frictional pressure too big and damage, effectually protect the walnut surface, prevent walnut surface rigidity friction and damage.

Drawings

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

FIG. 2 is a schematic top view of the load-bearing scrubbing mechanism of the present invention;

FIG. 3 is a schematic view of a limiting and pressing mechanism of the present invention;

FIG. 4 is a schematic view of the connection structure of the lateral fine adjustment mechanism of the present invention.

In the figure: 1 cylinder, 2 support frames, 3 electric lifting rods, 4 sealing covers, 5 transverse fine adjustment mechanisms, 51 transverse fixed chassis, 52 servo motors, 53 pushing screw rods, 54 screw rod nuts, 55 connecting through grooves, 6 transverse movable grooves, 7 bearing slide rods, 8 bearing slide blocks, 9 torque motors, 10 limiting pressing mechanisms, 101 pressing discs, 102 limiting stoppers, 103 arc brushes, 11 transverse limiting plates, 12 driving motors, 13 torque rotating shafts, 14 bearing brushing mechanisms, 141 bearing circular frames, 142 outer ring rings, 143 middle rings, 144 inner rings, 145 annular brushes, 146 annular elastic friction pads, 147 placing circular grooves, 15 annular bearing grooves, 16 movable balls and 17 control panels.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: an unordered primary processing device applied to a walnut for playing with a character comprises a barrel body 1, a support frame 2 is fixedly connected between the top of the left side surface and the top of the right side surface of the barrel body 1, two sides of the top of the inner side of the support frame 2 are fixedly connected with electric lifting rods 3 through bolts, the two electric lifting rods 3 synchronously run at 3 positions, the electric lifting rods 3 adopt electric push-pull rods with larger lifting moment, a sealing cover 4 matched with the inner diameter of the opening at the top of the barrel body 1 is fixedly connected between the tail ends of the two electric lifting rods 3, a transverse movable groove 6 is formed in the upper surface of the sealing cover 4, a bearing slide rod 7 is fixedly connected between the inner walls of the left side and the right side of the transverse movable groove 6, a bearing slide block 8 is movably inserted in the bearing slide rod 7, a transverse fine adjustment mechanism 5 is fixedly connected at the transverse movable groove, the transverse fine adjustment mechanism 5 comprises a transverse fixed case 51, a servo motor 52, a pushing screw 53, a screw nut 54 and a connecting through groove 55, the transverse movable groove 6 on the upper surface of the sealing cover 4 is fixedly connected with the transverse fixed case 51 through a bolt, the right side of the transverse fixed case 51 is fixedly connected with the servo motor 52 through a bolt, the servo motor 52 adopts a low-speed forward and reverse rotation servo motor, an output shaft of the servo motor 52 penetrates through the right inner wall of the transverse fixed case 51 and is fixedly connected with the pushing screw 53 through a coupler, one end of the pushing screw 53 far away from the servo motor 52 is movably connected with the left inner wall of the transverse fixed case 51 through a bearing base, the pushing screw nut 54 is in threaded connection with the pushing screw 53, the bottom of the transverse fixed case 51 is provided with the connecting through groove 55 communicated with the transverse movable groove 6, the bottom of the screw nut 54 penetrates through the connecting through groove 55 through a, the bottom of the bearing sliding block 8 is fixedly connected with a case, the bottom of the inner side of the case is fixedly connected with a torque motor 9, the torque motor 9 adopts a low-speed torque motor without self-locking property, and an output shaft of the torque motor 9 penetrates through the bottom of the inner side of the case and is fixedly connected with a limiting and pressing mechanism 10.

The limiting and pressing mechanism 10 comprises a pressing disc 101, a limiting stopper 102 and arc-shaped brushes 103, an output shaft of the torque motor 9 penetrates through the inner bottom of the case and is fixedly connected with the pressing disc 101, the lower surface of the pressing disc 101 is fixedly connected with the limiting stopper 102 and the arc-shaped brushes 103, the number of the arc-shaped brushes 103 is twelve, every four arc-shaped brushes 103 are divided into three groups, the radian radiuses of the arc-shaped brushes 103 in each group are equal, the radian radiuses of the arc-shaped brushes 103 in the three groups are smaller from the outer side of the circular pressure plate 101 to the inner side, the four arc-shaped brushes 103 in each group are annularly distributed on the surface of the pressing disc 101, the arc-shaped brushes 103 in the three groups are distributed in an annular array at the center of the lower surface of the pressing disc 101, the limiting stopper 102 comprises a rectangular frame and corrugated stoppers, twenty-four limit stoppers 102 are equally divided into twelve groups every two, twelve groups of limit stoppers 102 are respectively distributed at the arc ends of twelve arc-shaped brushes 103, and the difference between the inner diameter and the outer diameter of the limit stoppers 102 is less than eight millimeters.

A transverse limiting plate 11 is fixedly connected between the inner walls of the left side and the right side of the cylinder 1, a driving motor 12 is fixedly connected at the middle position of the bottom of the inner side of the cylinder 1 through bolts, an output shaft of the driving motor 12 is fixedly connected with a torque rotating shaft 13 through a coupler, one end of the torque rotating shaft 13 far away from the driving motor 12 penetrates through the lower surface of the transverse limiting plate 11 and is fixedly connected with a bearing brushing mechanism 14, the bearing brushing mechanism 14 comprises a bearing circular frame 141, an outer ring 142, a middle ring 143, an inner ring 144, an annular brush 145, an annular elastic friction pad 146 and a placing circular groove 147, one end of the torque rotating shaft 13 far away from the driving motor 12 penetrates through the lower surface of the transverse limiting plate 11 and is fixedly connected with the bearing circular frame 141, the outer ring 142, the middle ring 143 and the inner ring 144 are welded at the bottom of the inner side of the bearing circular frame 141 from the, The inner side wall and the outer side wall of the middle ring 143 and the outer side wall of the inner ring 144 are fixedly connected with an annular brush 145, three annular elastic friction pads 146 are laid at the bottom of the inner side of the bearing circular frame 141, the three annular elastic friction pads 146 are respectively positioned among the inner side wall of the bearing circular frame 141, the outer ring 142, the middle ring 143 and the inner ring 144, and four placing circular grooves 147 are formed in the upper surfaces of the three annular elastic friction pads 146.

The limiting and pressing mechanism 10 is positioned right above the bearing and brushing mechanism 14, the differences of the arc inner diameters and the arc outer diameters of the three groups of arc-shaped brushes 103 are equal, the differences of the inner diameters and the outer diameters of three circular spaces formed among the inner side wall of the bearing circular frame 141, the outer ring 142, the middle ring 143 and the inner ring 144 are equal, the differences of the inner diameters and the outer diameters of the arc-shaped brushes 103 are smaller than the differences of the inner diameters and the outer diameters of the outer ring 142 and the middle ring 143, the group of arc-shaped brushes 103 positioned on the outermost side of the lower surface of the pressing disk 101 is positioned right above the circular space formed by the inner side wall of the bearing circular frame 141 and the outer side wall of the outer ring 142, the group of arc-shaped brushes 103 positioned on the inner side of the pressing disk 101 is positioned right above the circular space formed by the inner side wall of the outer ring 142 and the outer side wall of the middle, the upper surface of the transverse limiting plate 11 is fixedly connected with a circular ring bearing groove 15, the bottom of the bearing brushing mechanism 14 is movably connected with a movable ball 16 matched with the size of a circular ring inside the circular ring bearing groove 15, the movable ball 16 is located inside the circular ring bearing groove 15, the left side of the support frame 2 is provided with a control panel 17, the control panel 17 is electrically connected with the servo motor 52, the electric lifting rod 3, the torque motor 9 and the driving motor 12, and the control panel 17 can control the on-off and running states of the servo motor 52, the electric lifting rod 3, the torque motor 9 and the driving motor 12.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the device is used, walnuts are placed on the inner sides of the placing circular grooves 147 one by one, then the pressing circular discs 101 are rotated by hands to enable each arc-shaped brush 103 to correspond to one walnut, then the electric lifting rod 3 is controlled by the control panel 17 to push and descend the sealing cover 4, so that the sealing cover 4 covers the barrel body 1, at the moment, the arc-shaped brushes 103 contact and press each corresponding walnut, then the servo motor 52, the torque motor 9 and the driving motor 12 are started to operate through the control panel 17, the output shaft of the driving motor 12 drives the torque rotating shaft 13 to rotate through the coupler, the torque rotating shaft 13 drives the bearing circular frame 141 to rotate, the output shaft of the torque motor 9 drives the pressing circular discs 101 to rotate, the rotating directions of the bearing circular frame 141 and the pressing circular discs 101 are opposite, so that the annular brushes 145 and the annular elastic friction pads 146 in the bearing circular frame 141 perform relative motion on rough surfaces of the walnuts, and spacing fender piece 102 is spacing to the walnut, and arc brush 103 carries out soft compaction fixedly to the walnut, and servo motor 52's output shaft passes through the shaft coupling and drives and impel lead screw 53 to rotate, impel lead screw 53 to drive screw-nut 54 and rotate, screw-nut 54 drives bearing slider 8 and moves about on bearing slide bar 7, thereby make bearing slider 8 move about through quick-witted case area power moment motor 9, servo motor 52's output shaft is the direction change that just reverses, moment motor 9 drives spacing hold-down mechanism 10 and carries out the fine setting circulation activity about, thereby make arc brush 103 act on the walnut and carry out the rotation of rough surface, thereby make the rough surface of walnut more comprehensive grinding and finishing.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The use method of the disordered primary processing equipment applied to the walnut for playing with the characters comprises a barrel body (1), and is characterized in that: the device is characterized in that a support frame (2) is fixedly connected between the tops of the left side surface and the right side surface of the barrel body (1), electric lifting rods (3) are fixedly connected to two sides of the top of the inner side of the support frame (2) through bolts, a sealing cover (4) matched with the inner diameter of the top opening of the barrel body (1) is fixedly connected between the tail ends of the two electric lifting rods (3), a transverse movable groove (6) is formed in the upper surface of the sealing cover (4), a bearing slide rod (7) is fixedly connected between the inner walls of the left side and the right side of the transverse movable groove (6), a bearing slide block (8) is movably inserted in the bearing slide rod (7), a transverse fine adjustment mechanism (5) is fixedly connected to the transverse movable groove (6) on the upper surface of the sealing cover (4) through bolts, the bottom of the transverse fine adjustment mechanism (5) is, the bottom of the inner side of the case is fixedly connected with a torque motor (9), an output shaft of the torque motor (9) penetrates through the bottom of the inner side of the case and is fixedly connected with a limiting and pressing mechanism (10), a transverse limiting plate (11) is fixedly connected between the inner walls of the left side and the right side of the barrel body (1), a driving motor (12) is fixedly connected at the middle position of the bottom of the inner side of the barrel body (1) through bolts, an output shaft of the driving motor (12) is fixedly connected with a torque rotating shaft (13) through a coupler, one end of the torque rotating shaft (13) far away from the driving motor (12) penetrates through the lower surface of the transverse limiting plate (11) and is fixedly connected with a bearing and brushing mechanism (14), an annular bearing groove (15) is fixedly connected on the upper surface of the transverse limiting plate (11), a movable ball (16) matched with the, the movable ball (16) is positioned at the inner side of the circular ring bearing groove (15), and the left side of the support frame (2) is provided with a control panel (17);

the transverse fine adjustment mechanism (5) comprises a transverse fixed case (51), a servo motor (52), a propelling screw rod (53), a screw nut (54) and a connecting through groove (55), the transverse movable groove (6) on the upper surface of the sealing cover (4) is fixedly connected with the transverse fixed case (51) through a bolt, the right side surface of the transverse fixed case (51) is fixedly connected with the servo motor (52) through a bolt, an output shaft of the servo motor (52) penetrates through the right inner wall of the transverse fixed case (51) and is fixedly connected with the propelling screw rod (53) through a coupler, one end of the propelling screw rod (53) far away from the servo motor (52) is movably connected with the left inner wall of the transverse fixed case (51) through a bearing base, the propelling screw nut (54) is connected with a screw thread, the bottom of the transverse fixed case (51) is provided with the connecting through groove (55) communicated with the transverse movable groove, the bottom of the screw rod nut (54) is connected with the through groove (55) through a fixing rod in a penetrating way and is fixedly connected with the top of the bearing sliding block (8);

the limiting and pressing mechanism (10) comprises a pressing disc (101), a limiting stopper (102) and arc-shaped brushes (103), the output shaft of a torque motor (9) penetrates through the inner bottom of the case and is fixedly connected with the pressing disc (101), the lower surface of the pressing disc (101) is fixedly connected with the limiting stopper (102) and the arc-shaped brushes (103), the number of the arc-shaped brushes (103) is twelve, every four arc-shaped brushes (103) are divided into three groups, the radian radiuses of the arc-shaped brushes (103) in each group are equal, the radian radiuses of the arc-shaped brushes (103) in the three groups are smaller from the outer side of the circular pressure plate (101) inwards, the four arc-shaped brushes (103) in each group are distributed on the surface of the pressing disc (101) in an annular mode, the arc-shaped brushes (103) in the three groups are distributed in an annular array mode of the circle center of the lower surface of the, the corrugated baffle plates are welded between the inner walls of the two sides of the rectangular frame, the number of the limiting baffle plates (102) is twenty-four, every two groups of the twenty-four limiting baffle plates (102) are divided into twelve groups, the twelve groups of limiting baffle plates (102) are respectively distributed at the arc ends of the twelve arc-shaped brushes (103), and the difference between the inner diameter and the outer diameter of each limiting baffle plate (102) is eight millimeters smaller than that of each arc-shaped brush (103);

the bearing scrubbing mechanism (14) comprises a bearing circular frame (141), an outer circular ring (142), a middle circular ring (143), an inner circular ring (144), an annular brush (145), a circular ring elastic friction pad (146) and a placing circular groove (147), one end of the torque rotating shaft (13) far away from the driving motor (12) penetrates through the lower surface of the transverse limiting plate (11) and is fixedly connected with the bearing circular frame (141), the outer circular ring (142), the middle circular ring (143) and the inner circular ring (144) are welded at the bottom of the inner side of the bearing circular frame (141) from outside to inside in sequence, the inner side wall of the circular ring of the bearing circular frame (141), the inner side wall and the outer side wall of the outer circular ring (142), the inner side wall and the outer side wall of the middle circular ring (143) and the outer side wall of the inner circular ring (144) are fixedly connected with the annular brush (145), three circular ring elastic friction pads (146) are laid at the bottom of the inner side of the bearing circular frame (141), four placing circular grooves (147) are formed in the upper surfaces of the three circular elastic friction pads (146) among the outer ring (142), the middle ring (143) and the inner ring (144);

the limiting and pressing mechanism (10) is positioned right above the bearing brushing mechanism (14), the differences of the inner diameters and the outer diameters of the arcs of the three groups of arc-shaped brushes (103) are equal, the differences of the inner diameters and the outer diameters of three circular spaces formed between the inner side wall of the bearing circular frame (141), the outer circular ring (142), the middle circular ring (143) and the inner circular ring (144) are equal, the differences of the inner diameters and the outer diameters of the arc-shaped brushes (103) are smaller than the differences of the inner diameters and the outer diameters between the outer circular ring (142) and the middle circular ring (143), the group of arc-shaped brushes (103) positioned on the outermost side of the lower surface of the pressing disk (101) is positioned right above the circular space formed by the inner side wall of the bearing circular frame (141) and the outer side wall of the outer circular ring (142), the group of arc-shaped brushes (103) positioned on the inner side of the pressing disk (101) is positioned right above the circular space formed by the inner side wall of the outer circular ring (142) and the outer side ) The control panel (17) is electrically connected with the servo motor (52), the electric lifting rod (3), the torque motor (9) and the driving motor (12) in a connection relationship above a circular space formed by the outer side wall, and the control panel (17) can control the on-off and running states of the servo motor (52), the electric lifting rod (3), the torque motor (9) and the driving motor (12); when the walnut pressing device is used, walnuts are placed on the inner side of the placing circular groove (147) one by one, then the pressing circular disc (101) is rotated by hands to enable each arc-shaped brush (103) to correspond to one walnut, then the electric lifting rod (3) is controlled by the control panel (17) to push and descend the sealing cover (4), so that the sealing cover (4) covers the barrel body (1), at the moment, the arc-shaped brushes (103) are in contact pressing on the corresponding walnuts, then the servo motor (52) is started through the control panel (17), the torque motor (9) and the driving motor (12) are operated, the output shaft of the driving motor (12) drives the torque rotating shaft (13) to rotate through the coupler, the torque rotating shaft (13) drives the bearing circular frame (141) to rotate, the output shaft of the torque motor (9) drives the pressing circular disc (101) to rotate, the rotating directions of the bearing circular frame (141) and the pressing circular disc (101) are opposite, the annular brush (145) and the annular elastic friction pad (146) in the bearing circular frame (141) move relatively to the rough surface of the walnut, the limiting stopper (102) limits the walnut, the arc-shaped brush (103) compresses and fixes the walnut in a soft way, the output shaft of the servo motor (52) drives the propelling screw rod (53) to rotate through the coupler, the propelling screw rod (53) drives the screw rod nut (54) to rotate, the screw rod nut (54) drives the bearing sliding block (8) to move on the bearing sliding rod (7), so that the bearing sliding block (8) moves through the chassis with the power torque motor (9), the positive and negative rotation direction of the output shaft of the servo motor (52) changes, the torque motor (9) drives the limiting pressing mechanism (10) to perform left and right fine adjustment circulation movement, and the arc-shaped brush (103) acts on the walnut to rotate the rough surface, thereby leading the rough surface of the walnut to be more comprehensively ground.