阅读说明：本技术 一种皮革的夹持修面磨皮装置 (Clamping, shaving and buffing device for leather ) 是由 谭兆 于 2020-11-09 设计创作，主要内容包括：本发明公开了一种皮革的夹持修面磨皮装置,包括安装箱,所述安装箱内设有安装腔,所述安装腔内设有驱动机构,所述驱动机构包括固定安装在所述安装腔左侧上端壁内且具有弧面的放置箱,所述放置箱内设有放置腔,所述放置腔右端壁内设有放置槽,所述放置槽内滑动安装有具有挤压块,所述挤压块设有斜面以及弧面。通过驱动轮将皮革进行驱动推动,并通过对于皮革的夹持驱动皮革进行向右移动,同时对于粒面进行全面的夹持以及磨去,并将磨去的杂质进行收集,且能够同时对于边角位置进行磨去,使得修面效果更佳,进而减少瑕疵的影响。(The invention discloses a clamping, trimming and buffing device for leather, which comprises an installation box, wherein an installation cavity is arranged in the installation box, a driving mechanism is arranged in the installation cavity, the driving mechanism comprises a placing box which is fixedly arranged in the upper end wall on the left side of the installation cavity and is provided with a cambered surface, a placing cavity is arranged in the placing box, a placing groove is arranged in the right end wall of the placing cavity, an extrusion block is arranged in the placing groove in a sliding manner, and the extrusion block is provided with an inclined surface and a cambered surface. Drive the promotion with the leather through the drive wheel to remove through the centre gripping drive leather to the leather, carry out comprehensive centre gripping and mill to the grain face simultaneously, and collect the impurity that will mill off, and can grind off to the corner position simultaneously, make the face effect of repairing better, and then reduce the influence of flaw.)

1. The utility model provides a centre gripping of leather is repaiied face and is ground skin device, includes the install bin, its characterized in that: the mounting box is internally provided with a mounting cavity, the mounting cavity is internally provided with a driving mechanism, the driving mechanism comprises a placing box which is fixedly arranged in the upper end wall at the left side of the mounting cavity and is provided with a cambered surface, the placing box is internally provided with a placing cavity, the right end wall of the placing cavity is internally provided with a placing groove, the placing groove is internally and slidably provided with an extruding block, the extruding block is provided with an inclined surface and a cambered surface, a placing spring is fixedly connected between the right end surface of the extruding block and the right end wall of the placing groove, the rectangular array in the plane of the left end of the extruding block is provided with two rollers, the cambered surface of the placing cavity is internally and slidably provided with a cambered driving block, the cambered surface of the driving block, which is far away from the lateral direction of the placing cavity, is fixedly provided with a driving plate which is connected into the mounting cavity and is inclined, the polishing mechanism is arranged in the mounting cavity, the pushing mechanism is arranged in the mounting cavity and comprises a placing block fixedly arranged on the right end wall of the mounting cavity and fixedly connected with a left end face and the placing box, a T-shaped moving groove is arranged in the placing block, a moving block is slidably arranged in the moving groove, a moving spring is fixedly connected between the left end face of the moving block and the left end wall of the moving groove, a telescopic baffle plate positioned on the upper side of the moving spring is fixedly connected between the left end face of the moving block and the left end wall of the moving groove, the telescopic baffle plate can be stretched in the left and right direction and has magnetism, a moving cavity with an upward opening is arranged in the moving block, a connecting block with a torsion spring and an inclined plane is slidably arranged in the moving cavity, and an L-shaped moving rack connected into the mounting cavity is fixedly arranged, the rotation axis of taking the torsional spring from is installed to removal chamber rear end wall internal rotation, fixed mounting has the slope and the turning block that can stretch out and draw back in the axis of rotation, slidable mounting has the grip block in removing chamber right side end wall, the grip block left end face with the turning block is articulated to be connected, the articulated grip block that is connected with from the grip block of taking the torsional spring in the grip block up end.

2. A leather holding, shaving and buffing apparatus as claimed in claim 1 wherein: actuating mechanism still includes fixed mounting and is in the drive motor of installation cavity rear end wall, drive motor front end power connection has the driving shaft, on the driving shaft fixed mounting can with remove rack toothing's drive gear, it has and is located to go back fixed mounting on the driving shaft the drive pulley one of drive gear front side, the connecting axle is installed to installation cavity front end wall internal rotation, fixed mounting has drive pulley two on the connecting axle, drive pulley two with be connected with driving belt between the drive pulley one, slidable mounting has the promotion piece from taking the torsional spring in the installation cavity left end wall, promote the piece internal rotation install with the promotion spline housing of driving belt splined connection.

3. A leather holding, shaving and buffing apparatus as claimed in claim 2 wherein: actuating mechanism is still including setting up the drive block with the drive chamber of the T shape in the drive plate, the end wall internal rotation is installed and is located around the drive chamber place the transmission shaft of intracavity, fixed mounting has drive pulley two on the transmission shaft, around on the transmission shaft for two symmetry fixed mounting of drive pulley have the drive wheel, drive chamber rear end wall internal rotation is installed and is connected to the drive shaft of installation intracavity, fixed mounting has in the drive shaft to be located drive pulley one in the drive chamber, drive pulley one with be connected with drive belt between the drive pulley two, it has the slurcam of slope to promote a rear end wall fixed mounting, be equipped with trapezoidal connector in the slurcam.

4. A leather holding, shaving and buffing apparatus as claimed in claim 1 wherein: grinding machanism includes fixed mounting and is in the fixed block of installation cavity right side upper end wall, be equipped with the chamber of polishing in the fixed block, end wall fixed mounting has grinding motor behind the chamber of polishing, grinding motor front end power is connected with the axle of polishing, the epaxial fixed mounting of polishing has the sleeve of polishing, be equipped with the orbit groove in the sleeve outer wall of polishing, it has and is connected to slide mounting in the end wall about the chamber of polishing one of installation intracavity, grinding one with orbit groove sliding fit.

5. A leather holding, shaving and buffing apparatus as claimed in claim 4 wherein: grinding machanism still includes fixed mounting place in the piece lower extreme facial features and be located the left air pump of shifting chute, place the piece interior around for the air pump symmetry is equipped with firm groove, firm inslot slidable mounting is connected to the firm piece of installation intracavity and L shape, be equipped with in the firm piece and be located firm inslot's connector, firm piece is close to air pump side end face with firm groove is close to fixedly connected with firm spring between the air pump side end wall, air pump lower extreme power connection have respectively with the front and back side firm piece fixed connection and the bifurcated pipe two that can stretch out and draw back, firm tank bottom end wall slidable mounting is connected to the stopper of taking the torsional spring and being equipped with the inclined plane in the installation chamber, air pump upper end power connection has to be connected to bifurcated pipe one in the firm groove upper end wall, firm piece is close to air pump side end face slidable mounting has from the grinding block two that takes the torsional spring and have the inclined plane.

6. A leather holding, shaving and buffing apparatus as claimed in claim 4 wherein: pushing mechanism is still including setting up just be located in the fixed block polish the chamber right side and have the collection chamber one on inclined plane, be equipped with the ware of blowing in collecting chamber one upper end inclined plane, it has from taking the torsional spring and have the inclined plane to collect the piece to collect one right-hand member wall slidable mounting, be equipped with magnet in the collection piece can with telescopic baffle inhales mutually, still be equipped with in the fixed block and be located collect the collection chamber two on chamber one right side.

Technical Field

The invention relates to the technical field of leather correlation, in particular to a clamping, trimming and buffing device for leather.

Background

The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling. To the flawed grain face of leather, need to grind grain face surface part, and can not effectual assurance carry out the centre gripping to the leather when grinding, cause the leather to lead to the fact the curly of leather at the buffing in-process easily to influence normal work, and then aggravate the influence of flaw.

Disclosure of Invention

Aiming at the technical defects, the invention provides a leather clamping, trimming and polishing device which can overcome the defects.

The invention relates to a leather clamping, trimming and buffing device, which comprises an installation box, wherein an installation cavity is arranged in the installation box, a driving mechanism is arranged in the installation cavity, the driving mechanism comprises a placing box which is fixedly arranged in the upper end wall on the left side of the installation cavity and is provided with a cambered surface, a placing cavity is arranged in the placing box, a placing groove is arranged in the right end wall of the placing cavity, a squeezing block is arranged in the placing groove in a sliding manner, the squeezing block is provided with an inclined surface and a cambered surface, a placing spring is fixedly connected between the right end surface of the squeezing block and the right end wall of the placing groove, two rollers are arranged in a rectangular array in the plane of the left end of the squeezing block, an arc-shaped driving block is arranged in the cambered surface of the placing cavity in a sliding manner, a driving plate which is connected into the installation cavity and is inclined is fixedly arranged on the cambered surface of the driving block, the connecting rod is fixedly connected with the rear end wall of the cambered surface on the extrusion block, a polishing mechanism is arranged in the mounting cavity, a pushing mechanism is arranged in the mounting cavity, the pushing mechanism comprises a placing block fixedly installed on the right end wall of the mounting cavity and fixedly connected with a left end surface and the placing box, a T-shaped moving groove is arranged in the placing block, a moving block is slidably installed in the moving groove, a moving spring is fixedly connected between the left end surface of the moving block and the left end wall of the moving groove, a telescopic baffle plate positioned on the upper side of the moving spring is fixedly connected between the left end surface of the moving block and the left end wall of the moving groove, the telescopic baffle plate can stretch left and right and has magnetism, a moving cavity with an upward opening is arranged in the moving block, a connecting block with a torsion spring and an inclined plane is slidably installed in the moving cavity, and an L-shaped moving rack is fixedly, the rotation axis of taking the torsional spring from is installed to removal chamber rear end wall internal rotation, fixed mounting has the slope and the turning block that can stretch out and draw back in the axis of rotation, slidable mounting has the grip block in removing chamber right side end wall, the grip block left end face with the turning block is articulated to be connected, the articulated grip block that is connected with from the grip block of taking the torsional spring in the grip block up end.

Preferably, actuating mechanism still includes fixed mounting and is in the drive motor of installation cavity rear end wall, drive motor front end power is connected with the driving shaft, fixed mounting on the driving shaft can with remove rack toothing's drive gear, it has and is located to go back fixed mounting on the driving shaft the drive pulley one of drive gear front side, the connecting axle is installed to installation cavity front end wall internal rotation, fixed mounting has drive pulley two on the connecting axle, drive pulley two with be connected with driving belt between the drive pulley one, slidable mounting has the piece that promotes from taking the torsional spring in the installation cavity left end wall, promote the piece internal rotation install with driving belt splined connection's promotion spline housing.

Preferably, actuating mechanism is still including setting up the drive block with the drive chamber of the T shape in the drive plate, the end wall internal rotation is installed and is located around the drive chamber place the transmission shaft of intracavity, fixed mounting has drive pulley two on the transmission shaft, around on the transmission shaft for two symmetrical fixed mounting of drive pulley have the drive wheel, drive chamber rear end wall internal rotation is installed and is connected to the drive shaft of installation intracavity, fixed mounting has in the drive shaft to be located drive pulley one in the drive chamber, drive pulley one with be connected with drive belt between the drive pulley two, it has the slurcam of slope to promote a rear end wall fixed mounting, be equipped with trapezoidal connector in the slurcam.

Preferably, grinding machanism includes fixed mounting and is in the fixed block of installation cavity right side upper end wall, be equipped with the chamber of polishing in the fixed block, end wall fixed mounting has grinding motor behind the chamber of polishing, grinding motor front end power is connected with the axle of polishing, the epaxial fixed mounting of polishing has the sleeve of polishing, be equipped with the orbit groove in the sleeve outer wall of polishing, it is connected to slide mounting in the end wall about the chamber of polishing one of installation intracavity, grinding one with orbit groove sliding fit.

Preferably, the polishing mechanism further comprises an air pump fixedly installed in the lower end face of the placing block and positioned on the left side of the moving groove, stabilizing grooves are formed in the placing block front and back relative to the air pump symmetrically, stabilizing blocks connected to the installing cavity and in an L shape are installed in the stabilizing grooves in a sliding mode, connecting ports located in the stabilizing grooves are formed in the stabilizing blocks, stabilizing springs are fixedly connected between the side end faces of the air pump and the side end walls of the air pump close to the stabilizing grooves, the lower end of the air pump is dynamically connected with bifurcated pipes which are fixedly connected with the stabilizing blocks on the front side and the back side respectively and can stretch, limiting blocks connected to torsion springs in the installing cavity and provided with inclined planes are installed in the side end walls of the stabilizing grooves in a sliding mode, the upper end of the air pump is dynamically connected with the bifurcated pipes connected to the upper end wall of, and a second polishing block with a torsion spring and an inclined plane is arranged in the side end face of the air pump, close to the stabilizing block, in a sliding manner.

Preferably, pushing mechanism is still including setting up just be located in the fixed block polish the chamber right side and have the collection chamber one on inclined plane, be equipped with the ware of blowing in collecting chamber one upper end inclined plane, it has from taking the torsional spring and having the collection piece on inclined plane to collect one right-hand member wall slidable mounting, be equipped with magnet in the collection piece can with telescopic baffle inhales mutually, still be equipped with in the fixed block and be located collect the collection chamber two on chamber one right side.

The beneficial effects are that: the leather with defective grain surfaces is placed, the grain surface part is placed towards the right and placed into the device, the leather is driven and pushed by the driving wheel, the leather is driven to move rightwards by clamping the leather, the grain surfaces are comprehensively clamped and ground, the ground impurities are collected, the corner positions can be ground simultaneously, the face trimming effect is better, and the influence of defects is further reduced.

Drawings

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

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic front view of a leather holding, shaving and buffing apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of C-C in FIG. 1 according to an embodiment of the present invention;

fig. 5 is an enlarged schematic structural diagram of fig. 1 at D according to an embodiment of the present invention.

Detailed Description

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

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a leather clamping, trimming and buffing device, which comprises an installation box 10, wherein an installation cavity 11 is arranged in the installation box 10, a driving mechanism 72 capable of driving and clamping leather with a defective grain surface is arranged in the installation cavity 11, the driving mechanism 72 comprises a placing box 22 which is fixedly arranged in the upper end wall on the left side of the installation cavity 11 and is provided with a cambered surface, a placing cavity 23 is arranged in the placing box 22, a placing groove 26 is arranged in the right end wall of the placing cavity 23, an extrusion block 24 is arranged in the placing groove 26 in a sliding manner, the extrusion block 24 is provided with an inclined surface and a cambered surface, a placing spring 27 is fixedly connected between the right end surface of the extrusion block 24 and the right end wall of the placing groove 26, two rollers 25 are arranged in a rectangular array in the plane of the left end of the extrusion block 24, an arc-shaped driving block 19 is arranged in the cambered surface of the placing cavity 23 in a sliding manner, and the cambered surface of the driving block 19 far away A driving plate 18 which is inclined in the installation cavity 11, a connecting rod 21 is symmetrically and fixedly installed in the rear end face of the driving block 19 relative to the center, the connecting rod 21 is fixedly connected with the rear end wall of the arc surface on the extrusion block 24, a polishing mechanism 73 capable of polishing the grain surface of leather completely is installed in the installation cavity 11, a pushing mechanism 74 capable of pushing leather to move and collecting the removed impurities is installed in the installation cavity 11, the pushing mechanism 74 comprises a placing block 37 fixedly installed on the right end wall of the installation cavity 11 and fixedly connected with the left end face and the placing box 22, a T-shaped moving groove 36 is installed in the placing block 37, a moving block 41 is installed in the moving groove 36 in a sliding manner, a moving spring 59 is fixedly connected between the left end face of the moving block 41 and the left end wall of the moving groove 36, and a telescopic baffle 58 positioned on the upper side of the moving spring 59 is fixedly connected between the left end face of the moving block 41 and, flexible baffle 58 can control flexible and have magnetism, be equipped with the ascending removal chamber 42 of opening in the movable block 41, sliding mounting has from taking the torsional spring and having the connecting block 43 on inclined plane in removing the chamber 42, terminal surface fixed mounting has and is connected to under the connecting block 43 in the installation cavity 11 and the removal rack 38 of L shape, it installs from the axis of rotation 61 of taking the torsional spring to remove chamber 42 rear end wall internal rotation, fixed mounting has the slope and can flexible turning block 60 on the axis of rotation 61, sliding mounting has grip block 62 in removing chamber 42 right side end wall, grip block 62 left end face with turning block 60 is articulated to be connected, grip block 62 up end is articulated to be connected with from the grip block 63 of taking the torsional spring.

Beneficially, the driving mechanism 72 further comprises a driving motor 56 fixedly mounted on the rear end wall of the mounting cavity 11, the front end of the driving motor 56 is in power connection with a driving shaft 40, a transmission gear 39 capable of being meshed with the movable rack 38 is fixedly mounted on the driving shaft 40, a first transmission belt pulley 57 located on the front side of the transmission gear 39 is further fixedly mounted on the driving shaft 40, a connecting shaft 54 is rotatably mounted on the front end wall of the mounting cavity 11, a second transmission belt pulley 53 is fixedly mounted on the connecting shaft 54, a transmission belt 55 is connected between the second transmission belt pulley 53 and the first transmission belt pulley 57, a pushing block 51 with a torsion spring is slidably mounted in the left end wall of the mounting cavity 11, a pushing spline sleeve 52 connected with the transmission belt 55 is rotatably mounted in the pushing block 51, and the driving shaft 40 is enabled to rotate through the first transmission belt pulley 57 and the second transmission belt pulley 53, so that the driving shaft 40 is The drive belt 55 drives the drive.

Advantageously, the driving mechanism 72 further includes a T-shaped driving cavity 15 disposed in the driving block 19 and the driving plate 18, a driving shaft 48 disposed in the placing cavity 23 is rotatably mounted on the front and rear end walls of the driving cavity 15, a driving pulley two 50 is fixedly mounted on the driving shaft 48, driving wheels 17 are fixedly mounted on the driving shaft 48 in a front-back symmetrical manner with respect to the driving pulley two 50, a driving shaft 13 connected to the mounting cavity 11 is rotatably mounted on the rear end wall of the driving cavity 15, a driving pulley one 16 disposed in the driving cavity 15 is fixedly mounted on the driving shaft 13, a driving belt 14 is connected between the driving pulley one 16 and the driving pulley two 50, an inclined pushing plate 12 is fixedly mounted on the rear end wall of the pushing block 51, and a trapezoidal connecting port is disposed in the pushing plate 12 and is rotated by the driving shaft 13, causing the drive shaft 13 to be driven through the drive belt 14 between the first drive pulley 16 and the second drive pulley 50.

Beneficially, the polishing mechanism 73 includes a fixed block 29 fixedly installed on the upper end wall of the right side of the installation cavity 11, a polishing cavity 28 is arranged in the fixed block 29, a polishing motor 71 is fixedly installed on the rear end wall of the polishing cavity 28, a polishing shaft 31 is connected to the front end of the polishing motor 71 in a power connection mode, a polishing sleeve 30 is fixedly installed on the polishing shaft 31, a track groove 70 is formed in the outer wall of the polishing sleeve 30, first polishing blocks 47 connected to the installation cavity 11 are installed in the left end wall and the right end wall of the polishing cavity 28 in a sliding mode, the first polishing blocks 47 are in sliding fit with the track groove 70, and the polishing sleeve 30 is driven to rotate by the rotation of the polishing shaft 31, so that the first polishing blocks 47 move back and forth along the track of the track groove 70.

Beneficially, the polishing mechanism 73 further includes an air pump 45 fixedly installed in the lower end face of the placing block 37 and located on the left side of the moving groove 36, stabilizing grooves 64 are symmetrically arranged in the placing block 37 front and back with respect to the air pump 45, an L-shaped stabilizing block 68 connected to the inside of the mounting cavity 11 is slidably installed in the stabilizing groove 64, a connector located in the stabilizing groove 64 is installed in the stabilizing block 68, a stabilizing spring 67 is fixedly connected between the side end face of the stabilizing block 68 close to the air pump 45 and the side end wall of the stabilizing groove 64 close to the air pump 45, the lower end of the air pump 45 is dynamically connected with a bifurcated pipe 46 fixedly connected to the stabilizing block 68 on the front and back sides and capable of extending and retracting, a limiting block 65 connected to a torsion spring in the mounting cavity 11 and provided with an inclined plane is slidably installed in the bottom end wall of the stabilizing groove 64, a first bifurcated pipe 44 connected to the upper end wall of the stabilizing groove 64 is dynamically connected to the upper end wall of the air, and a second polishing block 69 with a torsion spring and an inclined surface is slidably mounted on the end surface of the stabilizing block 68 close to the side of the air pump 45, and air is blown out from the second bifurcated pipe 46, so that the stabilizing block 68 moves towards the side close to the air pump 45, and the stabilizing block 68 is abutted to the inclined surface on the limiting block 65.

Beneficially, pushing mechanism 74 still including set up in the fixed block 29 and be located polish chamber 28 right side and have the collection chamber 33 of inclined plane, be equipped with in the inclined plane of collection chamber 33 upper end and blow the ware 32, it has from taking the torsional spring and have the collection piece 35 of inclined plane to collect chamber 33 right end wall slidable mounting, it can with flexible baffle 58 attracts to be equipped with magnet in the collection piece 35, still be equipped with in the fixed block 29 and be located collect chamber two 34 on chamber 33 right side, through magnet in the collection piece 35 with when flexible baffle 58 attracts, impel collection piece 35 moves the butt downwards on the leather.

In the initial state, the set spring 27 is in an undeformed state, the steady spring 67 is in an undeformed state, and the moving spring 59 is in an undeformed state.

When the leather processing machine starts to work, leather with a flaw on the grain surface of the leather is placed in the placing cavity 23, the placing direction of the grain surface part of the leather is towards the right and is abutted against the inclined plane on the extrusion block 24, the transmission motor 56 is started, the driving shaft 40 is made to rotate, the driving shaft 40 is made to drive through the transmission belt 55 between the first transmission belt pulley 57 and the second transmission belt pulley 53, so that the connecting shaft 54 drives the pushing spline sleeve 52 to rotate, meanwhile, the driving block 19 is influenced by the gravity of the leather, when the leather is placed on the driving wheels 17 on the front side and the rear side, the driving block 19 is made to drive the driving plate 18 to move towards the outer side far away from the center of the placing cavity 23, the driving block 19 is made to drive the extrusion block 24 to move towards the left through the connecting rod 21 in the moving process, at the moment, the roller 25 performs primary extrusion and abutting on the grain, the pushing plate 12 is driven to drive the pushing block 51 to move backwards, the pushing spline sleeve 52 is in spline connection with the driving shaft 13, the driving shaft 13 is driven to rotate, the driving shaft 13 is driven to transmit through the driving belt 14 between the first driving belt pulley 16 and the second driving belt pulley 50, the transmission shaft 48 is driven to rotate, and the driving wheels 17 on the front side and the rear side rotate to push the leather to the upper end face of the placing block 37;

starting the air pump 45, blowing air out through the bifurcated pipe II 46, enabling the stabilizing block 68 to move towards the side direction close to the air pump 45, enabling the stabilizing block 68 to be abutted against the inclined plane on the limiting block 65, enabling the stabilizing block 68 to move downwards, enabling the limiting block 65 to be connected into the connecting port of the stabilizing block 68 under the action of a torsion spring, enabling the inclined plane on the polishing block II 69 to be abutted against the fixing block 29 when the stabilizing block 68 moves towards the side direction close to the air pump 45, enabling the polishing block II 69 to move downwards to abut against the grain surface of the leather and realize clamping, polishing the grain surface of the leather in the moving process through the polishing block II 69, avoiding incomplete polishing of the grain surface of the leather, simultaneously starting the polishing motor 71, enabling the polishing sleeve 30 to rotate through the rotation of the polishing shaft 31, and enabling the polishing block I47 to move back and forth along the track of the track groove 70, comprehensively polishing and trimming the grain surface of the leather surface;

when the leather moves to abut against the connecting block 43, the connecting block 43 moves downwards under the action of the weight, the connecting block 43 pushes the rotating block 60 to rotate around the rotating shaft 61, the rotating block 60 pushes the clamping block 62 and the clamping plate 63 to move upwards, the clamping plate 63 is pushed to abut against and clamp the leather placed on the connecting block 43 under the action of the torsion spring, and meanwhile, when the connecting block 43 moves downwards, the moving rack 38 is pushed to move downwards and is meshed with the transmission gear 39 for transmission, so that the moving rack 38 drives the moving block 41 to move rightwards to drive the leather;

when the telescopic baffle plate 58 extends rightwards along with the moving block 41 and is attracted with the telescopic baffle plate 58 through the magnet in the collecting block 35, the collecting block 35 is enabled to move downwards to abut against the leather, the blower 32 is started, generated gas absorbs impurities ground off by the grain surface of the leather, the collecting effect is better through the inclined surface on the collecting block 35, the extracted impurities are placed in the second collecting cavity 34 to be collected, then the leather with finished finishing the surface is taken out, and the device returns to the initial position.

The beneficial effects are that: the leather with defective grain surfaces is placed, the grain surface part is placed towards the right and placed into the device, the leather is driven and pushed by the driving wheel, the leather is driven to move rightwards by clamping the leather, the grain surfaces are comprehensively clamped and ground, the ground impurities are collected, the corner positions can be ground simultaneously, the face trimming effect is better, and the influence of defects is further reduced.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.