阅读说明：本技术 一种皮革原料初步处理装置 (Leather raw materials preliminary treatment device ) 是由 吕鹏 于 2020-07-06 设计创作，主要内容包括：本发明公开的一种皮革原料初步处理装置,包括两个左右对称的底座,所述底座上设有左右贯穿的底座槽,两个所述底座上侧端面上固定连接有去肉安装座,所述去肉安装座上侧端面上固定连接有两个左右对称的安装座,两个所述安装座上侧端面上固定连接有去毛安装座,所述去毛安装座上侧端面上固定连接有两个左右对称的第一固定板,两个所述第一固定板之间设有去毛机构,两个所述第二丝杆安装板之间设有去肉机构,所述去毛机构内设有两个上下对称的清洁机构,两个所述底座后侧设有浸灰机构,本发明的去毛、去肉、浸灰同步进行,使得工作效率较高,并且节省了大量的人力与时间。(The invention discloses a leather raw material primary treatment device, which comprises two bases which are symmetrical left and right, the base is provided with base grooves which penetrate through the left and the right, the upper end surfaces of the two bases are fixedly connected with fleshing installation seats, two bilaterally symmetrical mounting seats are fixedly connected on the upper side end surface of the fleshing mounting seat, the unhairing mounting seats are fixedly connected on the upper side end surfaces of the two mounting seats, two first fixing plates which are bilaterally symmetrical are fixedly connected to the end face of the upper side of the unhairing mounting seat, a unhairing mechanism is arranged between the two first fixing plates, a fleshing mechanism is arranged between the two second screw rod mounting plates, the unhairing mechanism is internally provided with two cleaning mechanisms which are symmetrical up and down, and the rear sides of the two bases are provided with the liming mechanism.)

1. The utility model provides a leather raw materials preliminary treatment device, includes two bilateral symmetry's base, its characterized in that: the device comprises a base, a first motor, a second motor, a first conveying wheel, a second conveying wheel, a first tensioning wheel shaft, a second tensioning wheel shaft, a first fixing plate, a second screw rod, a second screw, the improved multifunctional hair removing machine is characterized in that a tensioning wheel is fixedly connected to the tensioning wheel shaft and used for tensioning a belt, an air pump is fixedly connected to the right end face of the second lead screw mounting plate, a hair removing mechanism is arranged between the first fixing plates, a meat removing mechanism is arranged between the second lead screw mounting plates, two cleaning mechanisms which are vertically symmetrical are arranged in the hair removing mechanism, and an ash dipping mechanism is arranged on the rear side of the base.

2. A leather material preliminary treatment apparatus as recited in claim 1, wherein: the unhairing mechanism comprises a first lead screw nut mounting plate fixedly connected between two first fixing plates, two first lead screws which are vertically symmetrical are arranged between the two first fixing plates, the first lead screw at the upper side extends to the right side outside the end face at the right side of the first fixing plate and is rotatably connected between the two first fixing plates, the first lead screw at the upper side is in power connection with a first lead screw motor fixedly connected to the left side end face of the first fixing plate, a first lead screw nut positioned between the two first fixing plates is in threaded connection with the first lead screw, the first lead screw nut is in sliding connection with the first lead screw nut mounting plate, a first air cylinder is fixedly connected to the lower side end face of the first lead screw nut, and a first air cylinder piston rod extending to the outside of the lower side end face of the first air cylinder is arranged in the first air cylinder, the end surface of the lower side of the first cylinder piston rod is fixedly connected with a scraper which is used for cleaning hair on the surface of the leather raw material, a proximity sensor positioned on the right side of the first cylinder is fixedly connected to the lower end face of the first screw rod nut, an electromagnet positioned on the right side of the first fixing plate is fixedly connected to the first screw rod on the upper side, a spline wheel positioned on the right side of the electromagnet is connected to the first screw rod on the upper side through a flat key, the spline wheel and the first screw rod on the upper side can slide, a second spring is fixedly connected between the electromagnet and the spline wheel, the first screw rod on the upper side is rotatably connected with a first gear positioned on the right side of the spline wheel, the left side of the first gear is provided with a spline cavity with an opening facing the left, and the right side of the first gear is fixedly connected with two second fixing plates which are vertically symmetrical.

3. A leather material preliminary treatment apparatus as recited in claim 1 or above, wherein: two it extends to rotate to be connected with between the second fixed plate is close to separately first transition axle outside first lead screw side end face, the epaxial fixedly connected with of first transition gear of two longitudinal symmetries of first transition, and the upside first transition gear with first gear engagement, the second cylinder mount pad of two longitudinal symmetries of fixedly connected with on the terminal surface of first lead screw nut mounting panel downside, be equipped with in the second cylinder mount pad and control the first groove of dodging that runs through, first lead screw runs through the first groove of dodging, fixedly connected with second cylinder on the terminal surface of second cylinder mount pad downside, be equipped with in the second cylinder and extend to under the second cylinder outside the terminal surface second cylinder piston rod, the first fixed block of fixedly connected with on the terminal surface of second cylinder piston rod downside, sliding connection extends to in the first fixed block is close to first lead screw nut side end face The leather processing device comprises an outer first pressing shaft, wherein the first pressing shaft is close to a first pressing block fixedly connected to one side end face of a first screw nut, a first spring is fixedly connected between the first pressing block and the first fixing block, the first pressing block is used for pressing leather raw materials, four first roller shafts are arranged between the two first fixing plates, the first roller shafts extend to the right side of the outer end face of the right side of the first fixing plate, the two first roller shafts are rotationally connected with a unhairing mounting seat and are symmetrical front and back, the other two first roller shafts are rotationally connected with a fleshing mounting seat and are symmetrical front and back, the two first roller shafts on the upper side are symmetrical to the two first roller shafts on the lower side, the first roller shafts are fixedly connected with belts, and the two upper sides and the two lower sides are respectively connected with belts, the roller vent grooves are arranged in the first roller shaft, three belt vent grooves which are communicated up and down are arranged on the belt, a first roller motor which is fixedly connected to the left end face of the belt vent groove is fixedly connected to the first roller shaft on the front upper side, a second gear which is positioned on the right side of the first fixed plate is fixedly connected to the first roller shaft on the front side, four air box mounting plates which are symmetrical up and down and front and back are arranged on the right end face of the unhairing mounting seat, the air box mounting plate on the upper side is fixedly connected with the right end face of the unhairing mounting seat, the air box mounting plate on the lower side is fixedly connected with the right end face of the base, an air box which is fixedly connected to the side end face of the first roller shaft and close to the air box mounting plate is rotatably connected to the side end face of the first roller shaft is connected to the air box mounting plate, and, a first air channel is arranged in the unhairing mounting seat, and two mounting seat connecting pipes which are symmetrical up and down are connected between the right side of the first air channel and the air pump.

4. A leather material preliminary treatment apparatus as recited in claim 1, wherein: the fleshing mechanism comprises a first mounting plate which is positioned at the lower side of the first roller shaft and is fixedly connected between two unhairing mounting seats, a first screw rod at the lower side is rotatably connected between two second screw rod mounting plates, a first screw nut at the lower side is slidably connected with the first mounting plate, two third air cylinder mounting seats which are bilaterally symmetrical are fixedly connected on the end surface of the upper side of the mounting seat groove, a second passing groove which runs through the third air cylinder mounting seat from left to right is arranged in the third air cylinder mounting seat, a third air cylinder is fixedly connected on the end surface of the lower side of the third air cylinder mounting seat, a third air cylinder piston rod which extends to the outer end of the lower side of the third air cylinder is arranged in the third air cylinder, a second fixed block is fixedly connected on the end surface of the lower side of the third air cylinder piston rod, a second pressing shaft is slidably connected with a second pressing shaft, the second pressing shaft is close to the lower side, and a third, the third compact heap with fixedly connected with third spring, downside between the second fixed block fixedly connected with and downside on the first lead screw right side terminal surface the third gear of first transition gear meshing, fixedly connected with two longitudinal symmetry's third fixed plate on the unhairing mount pad right side terminal surface, two rotate between the third fixed plate and be connected with and extend to and keep away from the downside the outer second transition axle of first lead screw one side terminal surface, the epaxial fixedly connected with two longitudinal symmetry's of second transition gear of second transition, and respectively with the second gear meshing, be equipped with the second air channel in the base.

5. A leather material preliminary treatment apparatus as recited in claim 1, wherein: clean mechanism include two fixed connection in air knife mounting panel on the first fixed plate left end face, be equipped with the mounting groove on the air knife mounting panel, two be equipped with the air knife between the air knife mounting panel, the air knife can be two horizontal slip just can rotate between the air knife mounting panel, and this device is used for clean hair and the flesh and skin tissue that drops.

6. A leather material preliminary treatment apparatus as recited in claim 1, wherein: the liming mechanism comprises a liming box mounting plate arranged on the front side of the base, a liming box is fixedly connected to the end face on the upper side of the liming box mounting plate, a liming cavity is arranged in the liming box, lime water emulsion is filled in the liming cavity, a conveying driven shaft extending rightwards is rotatably connected to the inner wall on the left side of the liming box, a second conveying wheel is fixedly connected to the conveying driven shaft, a conveying belt is connected between the second conveying wheel and the first conveying wheel, two stirring mounting plates which are bilaterally symmetrical are fixedly connected to the end face on the upper side of the liming box mounting plate, a stirring shaft is rotatably connected between the two stirring mounting plates, a stirring motor fixedly connected to the end face on the right side of the stirring mounting plate on the right side is in power connection with the stirring shaft, six stirring plates distributed in a circumferential array are fixedly, the leather raw material is fully contacted with the lime water, thereby achieving the purpose of liming.

Technical Field

The invention relates to the technical field of leather processing, in particular to a leather raw material primary treatment device.

Background

The leather is animal skin which is obtained by physical and chemical processing such as degreasing, unhairing, liming and the like and is denatured and not easy to rot, the leather is formed by tightly weaving natural protein fibers in a three-dimensional space, a special grain layer is arranged on the surface of the leather, the grain layer has natural grains and luster, and the hand feeling is comfortable.

Disclosure of Invention

The technical problem is as follows: at present, the leather raw materials are degreased and depilated mostly by manual hair removal and meat scraping, a large amount of labor is wasted, the meat hair removal efficiency is not ideal, and manual meat hair removal can not be completely removed, so that the subsequent process can be seriously influenced.

In order to solve the problems, the present example designs a leather raw material primary treatment device, which comprises two bilaterally symmetrical bases, wherein the bases are provided with base grooves which penetrate through from left to right, two fleshing mounting seats are fixedly connected to the upper side end surface of the base, two bilaterally symmetrical mounting seats are fixedly connected to the upper side end surface of the fleshing mounting seat, two unhairing mounting seats are fixedly connected to the upper side end surface of the mounting seats, two first fixing plates which penetrate through from left to right are fixedly connected to the upper side end surface of the unhairing mounting seat, a left-right penetrating mounting seat groove is arranged in the mounting seat, a second lead screw mounting plate fixedly connected with the mounting seats is arranged in the mounting seat groove, a conveying driving shaft extending to the left side is rotatably connected between the two bases, and a third motor fixedly connected to the left side end surface of the base is connected to the conveying driving shaft, carry the first delivery wheel of fixedly connected with on the driving shaft, the base is close to and rotates on the middle side end face and is connected with two tensioning wheel axles, the epaxial fixedly connected with take-up pulley of tensioning wheel, the take-up pulley is used for tensioning the belt, the right side fixedly connected with air pump on the second lead screw mounting panel right side end face, two be equipped with unhairing mechanism between the first fixed plate, two be equipped with fleshing mechanism between the second lead screw mounting panel, be equipped with two cleaning mechanism of longitudinal symmetry in the unhairing mechanism, two the base rear side is equipped with the liming mechanism.

Preferably, the unhairing mechanism comprises a first lead screw nut mounting plate fixedly connected between two first fixing plates, two first lead screws which are vertically symmetrical are arranged between the two first fixing plates, the first lead screw at the upper side extends out of the end face at the right side of the first fixing plate at the right side and is rotatably connected between the two first fixing plates, the first lead screw at the upper side is in power connection with a first lead screw motor fixedly connected to the left end face of the first fixing plate at the left side, a first lead screw nut positioned between the two first fixing plates is in threaded connection with the first lead screw at the upper side, the first lead screw nut is in sliding connection with the first lead screw nut mounting plate, a first air cylinder is fixedly connected to the end face at the lower side of the first lead screw nut, and a first air cylinder piston rod extending out of the end face at the lower side of the first air cylinder is arranged in the first air cylinder, the end surface of the lower side of the first cylinder piston rod is fixedly connected with a scraper which is used for cleaning hair on the surface of the leather raw material, a proximity sensor positioned on the right side of the first cylinder is fixedly connected to the lower end face of the first screw rod nut, an electromagnet positioned on the right side of the first fixing plate is fixedly connected to the first screw rod on the upper side, a spline wheel positioned on the right side of the electromagnet is connected to the first screw rod on the upper side through a flat key, the spline wheel and the first screw rod on the upper side can slide, a second spring is fixedly connected between the electromagnet and the spline wheel, the first screw rod on the upper side is rotatably connected with a first gear positioned on the right side of the spline wheel, the left side of the first gear is provided with a spline cavity with an opening facing the left, and the right side of the first gear is fixedly connected with two second fixing plates which are vertically symmetrical.

Preferably, the two second fixing plates are rotatably connected with a first transition shaft extending to the second fixing plates and respectively close to the outside of the first side end face of the first screw rod, the first transition gear is fixedly connected with two vertically symmetrical first transition gears on the first transition shaft, the first transition gear is meshed with the first gear, the second cylinder mounting seat is fixedly connected with two horizontally symmetrical second cylinder mounting seats on the lower side end face of the first screw rod nut mounting plate, a first avoidance groove penetrating through the second cylinder mounting seat from left to right is arranged in the second cylinder mounting seat, the first screw rod penetrates through the first avoidance groove, the second cylinder is fixedly connected with the lower side end face of the second cylinder mounting seat, a second cylinder piston rod extending to the outside of the lower side end face of the second cylinder piston rod is arranged in the second cylinder, and a first fixing block is fixedly connected with the lower side end face of the second cylinder piston rod, the first fixing block is internally provided with a first pressing shaft which extends to the position, close to the outer side of one side end face of the first screw-nut, of the first fixing block in a sliding manner, the first pressing shaft is close to the position, close to one side end face of the first screw-nut, of the first pressing block, the first pressing block is fixedly connected with a first spring between the first pressing block and the first fixing block, the first pressing block is used for pressing leather raw materials, four first roller shafts are arranged between two first fixing plates and extend to the position, on the right side, of the outer side end face of the right side of the first fixing plate, the two first roller shafts are rotationally connected with the unhairing mounting seat and are symmetrical front and back, the other two first roller shafts are rotationally connected with the unhairing mounting seat and are symmetrical front and back, and the two first roller shafts on the upper side are symmetrical with the two first roller shafts on the lower side, the upper side of the first roller shaft is fixedly connected with a first roller motor which is fixedly connected with the left end face of the belt air channel, the front side of the first roller shaft is fixedly connected with a second gear which is positioned on the right side of the first fixed plate, the right end face of the unhairing installation seat is provided with four air box installation plates which are symmetrical up and down and front and back, the air box installation plate on the upper side is fixedly connected with the right end face of the unhairing installation seat, the air box installation plate on the lower side is fixedly connected with the base end face, the first roller shaft is rotatably connected with an air box which is close to the air box installation plate and is fixedly connected with the first roller shaft side end face, the air tank is connected with an air tank connecting pipe between the air tank and the air pump, a first air channel is arranged in the unhairing mounting seat, and two mounting seat connecting pipes which are symmetrical up and down are connected between the right side of the first air channel and the air pump.

Preferably, fleshing mechanism is including being located first gyro wheel axle downside and fixed connection are in two first mounting panel between the mount pad that unhaires, the downside first lead screw and two rotate between the second lead screw mounting panel and connect, the downside first screw-nut with sliding connection between the first mounting panel, the third cylinder mount pad of two bilateral symmetry of fixedly connected with on the terminal surface of mount pad groove side, the groove is dodged to the second that runs through about being equipped with in the third cylinder mount pad, fixedly connected with third cylinder on the terminal surface of third cylinder mount pad downside, be equipped with in the third cylinder and extend to the outer third cylinder piston rod of third cylinder downside terminal surface, fixedly connected with second fixed block on the terminal surface of third cylinder piston rod downside, sliding connection has the second compressing shaft in the second fixed block, the second compressing shaft is close to the downside fixedly connected with third compressing block on the terminal surface of first lead screw nut side end The third compact heap with fixedly connected with third spring, downside between the second fixed block fixedly connected with and downside on the first lead screw right side terminal surface the third gear of first transition gear meshing, fixedly connected with two longitudinal symmetry's third fixed plate on the unhairing mount pad right side terminal surface, two rotate between the third fixed plate and be connected with and extend to and keep away from the downside the outer second transition axle of first lead screw one side terminal surface, the epaxial fixedly connected with two longitudinal symmetry's of second transition gear of second transition, and respectively with the second gear meshing, be equipped with the second air channel in the base.

Preferably, clean mechanism include two fixed connection in air knife mounting panel on the first fixed plate left end face, be equipped with the mounting groove on the air knife mounting panel, two be equipped with the air knife between the air knife mounting panel, the air knife can be two slide and can rotate from side to side between the air knife mounting panel, this device is used for cleaning the hair and the flesh and skin tissue that drop.

Preferably, the liming mechanism comprises a liming box mounting plate arranged on the front side of the base, a liming box is fixedly connected to the end face of the upper side of the liming box mounting plate, a liming cavity is arranged in the liming box, lime water emulsion is filled in the liming cavity, a conveying driven shaft extending rightwards is rotatably connected to the inner wall of the left side of the liming box, a second conveying wheel is fixedly connected to the conveying driven shaft, a conveying belt is connected between the second conveying wheel and the first conveying wheel, two stirring mounting plates which are bilaterally symmetrical are fixedly connected to the end face of the upper side of the liming box mounting plate, a stirring shaft is rotatably connected between the two stirring mounting plates, a stirring motor fixedly connected to the end face of the right side of the stirring mounting plate on the right side is dynamically connected to the stirring shaft, and six stirring plates which are distributed in, the device is used for stirring, so that the leather raw material is fully contacted with the lime water, and the purpose of liming is achieved.

The invention has the beneficial effects that: the dehairing and fleshing mechanism adopts the pressing block to press leather tightly, adsorbs the leather by air pressure, and simultaneously scrapes the meat of the leather by the long scraper, so that the pressure of the scraper is stable, the efficiency is greatly improved, and the meat scraping is cleaner.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a preliminary treatment apparatus for leather materials according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

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

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

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 3;

fig. 7 is an enlarged schematic view of the structure at "F" of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now 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 raw material primary treatment device, which is mainly applied to the technical field of leather processing, and the invention is further explained by combining the attached drawings of the invention: the invention relates to a leather raw material primary treatment device, which comprises two bilaterally symmetrical bases 11, wherein base grooves 46 which penetrate through from left to right are arranged on the bases 11, fleshing installation seats 75 are fixedly connected to the upper side end surfaces of the two bases 11, two bilaterally symmetrical installation seats 78 are fixedly connected to the upper side end surfaces of the fleshing installation seats 75, unhairing installation seats 74 are fixedly connected to the upper side end surfaces of the two installation seats 78, two bilaterally symmetrical first fixing plates 12 are fixedly connected to the upper side end surfaces of the unhairing installation seats 74, bilaterally penetrating installation seat grooves 51 are arranged in the installation seats 78, second screw rod installation plates 50 which are fixedly connected with the installation seats 78 are arranged in the installation seat grooves 51, a conveying driving shaft 60 which extends to the left side end surface of the left base 11 is rotatably connected between the two bases 11, and a third motor 59 which is fixedly connected to the left side end surface of the left base 11 is dynamically connected to the conveying driving, the conveying device is characterized in that a first conveying wheel 61 is fixedly connected to the conveying driving shaft 60, two tensioning wheel shafts 66 are rotatably connected to the end face, close to the middle, of the base 11, tensioning wheels 65 are fixedly connected to the tensioning wheel shafts 66, the tensioning wheels 65 are used for tensioning a belt, an air pump 79 is fixedly connected to the end face, on the right side, of the second lead screw mounting plate 50, a unhairing mechanism 101 is arranged between the two first fixing plates 12, a fleshing mechanism 102 is arranged between the two second lead screw mounting plates 50, two cleaning mechanisms 103 which are vertically symmetrical are arranged in the unhairing mechanism 101, and a liming mechanism 104 is arranged on the rear side of the two bases 11.

Beneficially, the unhairing mechanism 101 comprises a first screw nut mounting plate 14 fixedly connected between two first fixing plates 12, two first screw rods 15 which are symmetrical up and down are arranged between the two first fixing plates 12, the first screw rod 15 at the upper side extends out of the end surface at the right side of the first fixing plate 12 at the right side and is rotatably connected between the two first fixing plates 12, the first screw rod 15 at the upper side is in power connection with a first screw motor 13 fixedly connected to the end surface at the left side of the first fixing plate 12 at the left side, a first screw nut 16 positioned between the two first fixing plates 12 is in threaded connection with the first screw rod 15 at the upper side, the first screw nut 16 is in sliding connection with the first screw nut mounting plate 14, a first air cylinder 17 is fixedly connected to the end surface at the lower side of the first screw nut 16, a first air cylinder piston rod 18 extending out of the lower side of the first air cylinder 17 is arranged in the first air cylinder 17, a scraper 19 is fixedly connected to the lower end face of the first cylinder piston rod 18, the scraper 19 is used for cleaning hair on the surface of the leather raw material, an approaching sensor 20 positioned at the right side of the first air cylinder 17 is fixedly connected on the lower side end surface of the first screw rod nut 16, an electromagnet 29 positioned at the right side of the first fixing plate 12 is fixedly connected on the first screw rod 15 at the upper side, a spline wheel 30 positioned at the right side of the electromagnet 29 is flatly connected on the first screw rod 15 at the upper side, the spline wheel 30 and the first lead screw 15 on the upper side can slide, a second spring 31 is fixedly connected between the electromagnet 29 and the spline wheel 30, a first gear 32 positioned on the right side of the spline wheel 30 is rotatably connected on the first lead screw 15 on the upper side, the left side of the first gear 32 is provided with a spline cavity 87 with an opening facing to the left, and the right end face of the first fixing plate 12 on the right side is fixedly connected with two vertically symmetrical second fixing plates 28.

Beneficially, a first transition shaft 34 extending to the second fixing plate 28 and respectively close to the outer side of one side end face of the first screw rod 15 is rotatably connected between the two second fixing plates 28, two vertically symmetrical first transition gears 33 are fixedly connected to the first transition shaft 34, the first transition gear 33 is engaged with the first gear 32, two horizontally symmetrical second cylinder mounting seats 21 are fixedly connected to the lower side end face of the first screw rod nut mounting plate 14, a first avoidance groove 85 penetrating from left to right is arranged in the second cylinder mounting seat 21, the first screw rod 15 penetrates through the first avoidance groove 85, a second cylinder 22 is fixedly connected to the lower side end face of the second cylinder mounting seat 21, a second cylinder piston rod 23 extending to the outer side end face of the lower side end face of the second cylinder 22 is arranged in the second cylinder 22, a first fixing block 24 is fixedly connected to the lower side end face of the second cylinder piston rod 23, the first fixing block 24 is slidably connected with a first pressing shaft 25 extending to the first fixing block 24 close to the outside of one side end face of the first screw-nut 16, the first pressing shaft 25 close to one side end face of the first screw-nut 16 is fixedly connected with a first pressing block 27, a first spring 26 is fixedly connected between the first pressing block 27 and the first fixing block 24, the first pressing block 27 is used for pressing leather raw materials, four first roller shafts 44 are arranged between the two first fixing plates 12, the first roller shafts 44 extend to the right side of the end face of the right side of the first fixing plate 12, the two first roller shafts 44 are rotatably connected with the unhairing mounting seat 74 and are symmetrical front and back, the other two first roller shafts 44 are rotatably connected with the unhairing mounting seat 75 and are symmetrical front and back, the two first roller shafts 44 on the upper side are symmetrical to the two first roller shafts 44 on the lower side, fixedly connected with 88 on first roller shaft 44, upside and downside two respectively the area is connected with belt 45 between 88, be equipped with gyro wheel air groove 37 in the first roller shaft 44, be equipped with three belt air groove 47 that link up from top to bottom on the belt 45, preceding upside power connection has fixed connection in on the first roller shaft 44 first gyro wheel motor 43 on the terminal surface of belt air groove 47 left side, and the front side fixedly connected with one is located the right side on the first roller shaft 44 second gear 36 on first fixed plate 12 right side, be equipped with four air tank mounting panels 35 of longitudinal symmetry about going on unhairing mount pad 74 right side terminal surface, upside air tank mounting panel 35 with unhairing mount pad right side 74 terminal surface fixed connection, downside air tank mounting panel 35 with base right side 11 terminal surface fixed connection, on the first roller shaft 44 rotation connection have with air tank mounting panel 35 is close to on the terminal surface of first roller shaft 44 side fixed connection The hair removing device comprises an air tank 38, an air tank connecting pipe 83 is connected between the air tank 38 and an air pump 79, a first air groove 76 is arranged in the hair removing mounting seat 74, and two mounting seat connecting pipes 84 which are symmetrical up and down are connected between the right side of the first air groove 76 and the air pump 79.

Beneficially, the fleshing mechanism 102 includes a first mounting plate 48 located at the lower side of the first roller axle 44 and fixedly connected between the two unhairing mounting seats 74, the first lead screw 15 at the lower side is rotatably connected between the two second lead screw mounting plates 50, the first lead screw nut 16 at the lower side is slidably connected between the first mounting plate 48, two third cylinder mounting seats 52 which are bilaterally symmetrical are fixedly connected on the upper side end surface of the mounting seat groove 51, a second avoidance groove 86 which penetrates left and right is arranged in the third cylinder mounting seat 52, a third cylinder 53 is fixedly connected on the lower side end surface of the third cylinder mounting seat 52, a third cylinder piston rod 54 which extends out of the lower side end of the third cylinder 53 is arranged in the third cylinder 53, a second fixing block 55 is fixedly connected on the lower side end surface of the third cylinder piston rod 54, and a second pressing shaft 56 is slidably connected in the second fixing block 55, the second pressing shaft 56 is close to the lower side, a third pressing block 58 is fixedly connected to the end face of the right side of the first lead screw nut 16, a third spring 57 is fixedly connected between the third pressing block 58 and the second fixing block 55, the lower side, a third gear 39 meshed with the lower side of the first transition gear 33 is fixedly connected to the end face of the right side of the first lead screw 15, two third fixing plates 40 which are vertically symmetrical are fixedly connected to the end face of the right side of the unhairing mounting seat 74, a second transition shaft 41 extending to the position far away from the lower side of the end face of the first lead screw 15 is rotatably connected between the two third fixing plates 40, two second transition gears 42 which are vertically symmetrical are fixedly connected to the second transition shaft 41 and are respectively meshed with the second gear 36, and a second air passage 77 is arranged in the base 11.

Advantageously, the cleaning mechanism 103 comprises two air knife mounting plates 82 fixedly connected to the left end face of the first fixing plate 12, the air knife mounting plates 82 are provided with mounting grooves 81, an air knife 80 is arranged between the two air knife mounting plates 82, the air knife 80 can slide and rotate between the two air knife mounting plates 82, and the device is used for cleaning fallen hair and skin and flesh tissues.

Beneficially, the liming mechanism 104 comprises a liming box mounting plate 67 arranged on the front side of the base 11, a liming box 68 is fixedly connected to the upper side end face of the liming box mounting plate 67, a liming cavity 69 is arranged in the liming box 68, lime water emulsion is arranged in the liming cavity 69, a conveying driven shaft 63 extending rightward is rotatably connected to the inner wall on the left side of the liming box 68, a second conveying wheel 62 is fixedly connected to the conveying driven shaft 63, a conveying belt 64 is connected between the second conveying wheel 62 and the first conveying wheel 61, two stirring mounting plates 70 which are bilaterally symmetrical are fixedly connected to the upper side end face of the liming box mounting plate 67, a stirring shaft 71 is rotatably connected between the two stirring mounting plates 70, and a stirring motor 72 fixedly connected to the right side end face of the stirring mounting plate 70 on the right side is dynamically connected to the stirring shaft 71, six stirring plates 73 distributed in an annular array are fixedly connected to the stirring shaft 71, and the stirring shaft is used for stirring, so that the leather raw material is fully contacted with the lime water, and the purpose of liming is achieved.

The following describes in detail the use steps of a leather material preliminary treatment apparatus according to the present disclosure with reference to fig. 1 to 7: initial state: each motor is in a closed state, the electromagnet 29 is in an adsorption state, the first lead screw nut 16 is in a middle position, the first air cylinder piston rod 18 is in a contraction state, the second air cylinder piston rod 23 and the third air cylinder 53 are in a contraction state, the first spring 26 and the third spring 57 are in a natural state, and the air pump 79 is in a closed state.

The working state is as follows: the first roller motor 43 is started to drive the upper first roller shaft 44 to rotate, thereby driving the upper second gear 36 to rotate, thereby driving the upper second transition gear 42 to rotate, thereby driving the second transition shaft 41 to rotate, thereby driving the lower second transition gear 42 to rotate, thereby driving the lower second gear 36 to rotate, thereby driving the lower first roller shaft 44 to rotate, the rotation of the first roller shaft 44 drives the belt 45 to move, thereby driving the leather material to move, the air pump 79 is started, air is pumped out from the roller vent groove 37 through the air box 38, thereby adsorbing the leather material on the surface of the belt 45, when the proximity sensor 20 detects the leather material, the first roller motor 43 is stopped, thereby driving the first roller shaft 44 to stop, thereby driving the belt 45 to stop, the left second air cylinder 22 is started, thereby driving the left second air cylinder piston rod 23 to push out, thereby driving the first fixed block 24 on the left side to descend, thereby driving the first pressing shaft 25 on the left side to descend, thereby driving the first pressing block 27 on the left side to descend until pressing the leather raw material, the first cylinder 17 is started, thereby driving the first cylinder piston rod 18 to push out, thereby driving the scraper 19 to move downwards and abut against the surface of the leather raw material with hair, the first lead screw motor 13 is started, thereby driving the first lead screw 15 to rotate, thereby driving the first lead screw nut 16 to move right, thereby driving the first cylinder 17 to move right, thereby driving the first cylinder piston rod 18 to move right, thereby driving the scraper 19 to move right and scraping the hair on the leather raw material, then the scraper 19 moves right and extrudes the first pressing block 27 on the right side to move right, thereby driving the first spring 26 on the right side to contract, the first cylinder 17 on the upper side is started, thereby driving the first cylinder piston rod 18 to withdraw, thereby driving the scraper 19 to move up, the first lead screw, thereby driving the first cylinder 17 to move left, thereby driving the first cylinder piston rod 18 and the scraper 19 to move left, the right first spring 26 rebounds, driving the right first pressing block 27 to move left, starting the right second cylinder 22, driving the right second cylinder piston rod 23 to push out, thereby driving the right first fixing block 24 to move down, thereby driving the right first pressing shaft 25 to move down, thereby driving the right first pressing block 27 to move down until pressing the leather raw material, starting the upper first cylinder 17, thereby driving the upper first cylinder piston rod 18 to push out, thereby driving the upper scraper 19 to move down and abut against the surface of the leather raw material again, starting the left second cylinder 22, thereby driving the left second cylinder piston rod 23 to withdraw, thereby driving the first fixing block 24 to move up, thereby driving the left first pressing shaft 25 to move up, thereby driving the left first pressing block 27 to move up, the upper scraper 19 to move left to scrape the fur on the leather raw material further, then the scraper 19 on the upper side drives the first pressing block 27 on the left side to move left, drives the first spring 26 on the left side to contract, the first lead screw motor 13 stops, the first air cylinder 17 on the upper side starts, drives the first air cylinder piston rod 18 on the upper side to contract, drives the scraper 19 on the upper side to move up, the first lead screw motor 13 starts to rotate reversely, drives the first lead screw nut 16 on the upper side to move right, thereby drives the first air cylinder 17, the first air cylinder piston rod 18 and the scraper 19 to move right, when the scraper 19 returns to the initial position, the first lead screw motor 13 stops, the second air cylinder 22 on the right side starts, drives the second air cylinder piston rod 23 on the right side to withdraw, thereby drives the first fixing block 24 on the right side, the first pressing shaft 25 and the first.

The first roller motor 43 is started to drive the upper first roller shaft 44 to rotate, thereby driving the belt 45 to move, thereby driving the leather raw material to move, the air knife 80 is started to blow out hair on the residual belt, the air knife 80 is closed, when the leather raw material moves to the upper side of the fleshing installation seat 75, the air pump 79 is closed, the leather raw material drops on the lower belt 45, then the air pump 79 is started again, air is pumped out from the roller ventilation groove 37 through the air box 38, the leather is adsorbed on the lower belt 45, meanwhile, the next leather raw material is conveyed into the upper belt 45, when the proximity sensor 20 detects the leather raw material, the first roller motor 43 is stopped, the left second air cylinder 22 and the right third air cylinder 53 are started to drive the left second air cylinder piston rod 23 and the right third air cylinder piston rod 54 to be pushed out, thereby driving the left first fixing block 24 and the right second fixing block 55 to move downwards, thereby driving the first pressing shaft 25 on the left and the second pressing shaft 56 on the right to move downwards, thereby driving the first pressing block 27 on the left and the third pressing block 58 on the right to move downwards to press leather, the electromagnet 29 is turned off, the spline wheel 30 is pushed into the spline cavity 87 by the second spring 31, the first cylinder 17 is started to drive the first cylinder piston rod 18 to push out, thereby driving the scraper 19 to move downwards to abut against the surface of the leather raw material, the first lead screw motor 13 is started to drive the first lead screw 15 to rotate, thereby driving the first lead screw nut 16 on the upper side to move rightwards, thereby driving the first cylinder 17 on the upper side, the first cylinder piston rod 18, the scraper 19 to move rightwards to scrape off hairs on the leather raw material, the first lead screw 15 rotates and simultaneously drives the spline wheel 30 to rotate, thereby driving the first gear 32 to rotate, thereby driving the first transition gear 33 to rotate, thereby driving the first transition shaft 34 to rotate, thereby driving the third gear 39 to rotate, thereby driving, thereby driving the lower first screw nut 16 to move left, thereby driving the lower first cylinder 17, the first cylinder piston rod 18 and the scraper 19 to move left to scrape the residual meat tissue on the leather raw material, when the upper scraper 19 pushes the right first pressing block 27, the first screw motor 13 stops, at this time, the lower scraper 19 also touches the left third pressing block 58, the first cylinder 17 starts to drive the first cylinder piston rod 18 to withdraw, thereby driving the scraper 19 to move up, the first screw motor 13 starts to reverse, thereby driving the upper first screw 15 to reverse, thereby driving the upper first screw nut 16 to move left, and simultaneously driving the first gear 32 to reverse, thereby driving the first transition gear 33 to rotate, thereby driving the first transition shaft 34 to rotate, thereby driving the third gear 39 to rotate, thereby driving the lower first screw 15 to rotate, thereby driving the lower first screw nut 16 to move right, the right second cylinder 22 and the left third cylinder 53 are started to drive the right second cylinder piston rod 23 and the left third cylinder piston rod 54 to be pushed out, so as to drive the right first fixing block 24, the first pressing shaft 25, the first pressing block 27 to move downwards, and the left second fixing block 55, the second pressing shaft 56 and the third pressing block 58 to move downwards, the left second cylinder 22 and the right third cylinder 53 are started to drive the left second cylinder piston rod 23 and the right third cylinder piston rod 54 to withdraw, so as to drive the left first fixing block 24, the first pressing shaft 25, the first pressing block 27 to move upwards, and the right second fixing block 55, the second pressing shaft 56 and the third pressing block 58 to move upwards, the first cylinder 17 is started to drive the first cylinder piston rod 18 to be pushed out, so as to drive the scraper 19 to move downwards to abut against the surface of the leather raw material again, when the upper scraper 19 moves leftwards and is extruded to the left first pressing block 27, the first screw motor 13 is stopped, the first cylinder 17 is started to drive the first cylinder piston rod 18 to withdraw, thereby driving the scraper 19 to move upwards, the first screw motor 13 is started to rotate reversely, thereby driving the upper first screw 15 to rotate reversely, thereby driving the first screw nut 16 to move to the initial position, the air knife 80 is started to blow out hair and residual meat tissue on the residual belt, the air knife 80 is closed, the right second cylinder 22 and the left third cylinder 53 are started to drive the right second cylinder piston rod 23 and the left third cylinder piston rod 54 to withdraw, thereby driving the right first fixing block 24, the first pressing shaft 25, the first pressing block 27 to move upwards, and the left second fixing block 55, the second pressing shaft 56, and the third pressing block 58 to move upwards, the first roller motor 43 is started to drive the upper first roller shaft 44 to rotate, thereby driving the lower first roller shaft 44 to rotate, thereby driving the belt 45 to rotate, thereby it removes to drive the leather raw materials, air pump 79 closes, thereby make the leather raw materials drop to the conveyer belt 64, air pump 79 starts, third motor 59 starts, it rotates to drive transport driving shaft 60, thereby it rotates to drive first delivery wheel 61, thereby it rotates to drive second delivery wheel 62, thereby it rotates to drive conveyer belt 64, thereby it soaks in the lime water emulsion to drive the leather raw materials and remove to liming case 68 in, agitator motor 72 starts, drive (mixing) shaft 71 and rotate, thereby it rotates to drive stirring board 73, thereby reach the effect of stirring leather, make the leather raw materials fully contact with the lime water, reach the purpose of liming.

The invention has the beneficial effects that: the dehairing and fleshing mechanism adopts the pressing block to press leather tightly, adsorbs the leather by air pressure, and simultaneously scrapes the meat of the leather by the long scraper, the pressure of the scraper is stable, the scraping efficiency is high, and the meat scraping is clean.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.