CN113524485B

CN113524485B - Open mill

Info

Publication number: CN113524485B
Application number: CN202110846114.8A
Authority: CN
Inventors: 张一木; 王体坤; 周文发; 何建武
Original assignee: Zhejiang Baideli Leather Co ltd
Current assignee: Zhejiang Baideli Leather Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2023-03-24
Anticipated expiration: 2041-07-26
Also published as: CN113524485A

Abstract

The application relates to an open mill, which relates to the technical field of leather production and comprises a rack, an open mill roller and a blade, wherein a recovery device for recovering waste edges is arranged on the rack, and the recovery device comprises a recovery device; the guide roller is rotatably arranged on the rack and is used for guiding the waste edges; the driving roller is rotatably arranged on the rack and is used for driving the slitter edge to move; and the driving mechanism is arranged on the rack and is connected with the driving roller. This application is through bypassing guide roll and drive roller with the slitter edge, and actuating mechanism starts to drive the drive roller and rotates, and the drive roller changes and drives the slitter edge and move back to on the mill roll to this mixes mill with slitter edge and raw materials continuation, thereby realizes retrieving the recycle to the slitter edge, has reduced the waste of raw materials.

Description

Open mill

Technical Field

The application relates to the technical field of leather production, in particular to an open mill.

Background

The open mill is one of the main devices of rubber plants and leather plants, and is used for preparing plasticated rubber and mixed rubber or used for hot refining and discharging rubber mixing machinery with an exposed roller.

In the related technology, the patent of the invention is referred to in the Chinese patent with the application publication number of CN108058281A, and discloses an adjustable rubber production open mill, which comprises an open mill frame, wherein a pair of open mill rotating rollers are arranged at the upper parts of frame bodies on two sides of the open mill frame, a measuring scale is horizontally arranged at the lower parts of the frame bodies on two sides of the open mill frame, a small telescopic cylinder is arranged in a sleeve body of a cylinder sleeve, a left cutter is fixedly arranged at the position of a cylinder surface on the right end of the cylinder body, a smoke suction hood is also arranged at the top of the open mill rotating roller with a right cutter is fixedly arranged at the position of a rod body on the right end of the rod body of the telescopic rod, two active carbon adsorption layers are vertically arranged in the smoke purification box, and a smoke suction fan is arranged at the bottom end of the smoke suction chimney. The invention overcomes the defect that the bandwidth of the traditional open mill is not easy to adjust in the subsequent material width treatment process, meets different requirements of customers, has more convenient and fast cutting effect, ensures the working environment of workers and people, and protects the life safety of the workers.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the raw materials become the leather layer after the roll mill is changeed the roller and is extrudeed, and left hand slitter and right hand slitter carry the next process to process after cutting the leather layer, and can scatter to mill one side to the slitter edge that cuts to the waste of raw materials has been caused.

Disclosure of Invention

In order to reduce the waste of raw materials, the application provides an open mill.

The application provides a mill, adopts following technical scheme:

an open mill comprises a rack and an open mill roller rotatably arranged on the rack, wherein a blade abutting against the open mill roller is arranged on the rack, a recovery device for recovering waste edges is arranged on the rack, and the recovery device comprises a blade support and a blade support;

the guide roller is rotatably arranged on the rack and is used for guiding the waste edges;

the driving roller is rotatably arranged on the rack and is used for driving the slitter edges to move;

and the driving mechanism is arranged on the rack and is connected with the driving roller.

Through adopting above-mentioned technical scheme, the mill roll rotates and extrudees the leather layer with the raw materials, and the blade cuts the leather layer, then walks around guide roll and drive roller with the slitter edge after the cutting, and actuating mechanism starts to drive the drive roller and rotates, and the drive roller changes and drives the slitter edge and shift back to the mill roll to this comes slitter edge and raw materials to continue to mix the mill, thereby realizes retrieving the recycle to the slitter edge, has reduced the waste of raw materials.

Optionally, the drive mechanism comprises;

the driving motor is arranged on the frame and is connected with the open mill roll through a linkage assembly;

a first synchronizing wheel provided on the driving roller;

and the second synchronous wheel is arranged on the output shaft of the driving motor and is connected with the first synchronous wheel through a synchronous belt.

Through adopting above-mentioned technical scheme, driving motor starts to drive the second synchronizing wheel and rotates, and the second synchronizing wheel rotates and drives first synchronizing wheel and drive roller through the hold-in range and rotates to this realizes that driving motor drives the drive roller and rotates, and driving motor drives the mill roll through the linkage subassembly simultaneously and rotates, has improved the synchronism when drive roller and mill roll rotate and drive the slitter edge and remove with this, has improved the stability when the slitter edge is retrieved, has also improved the utilization ratio of energy.

Optionally, the linkage assembly comprises;

the first gear is arranged on the open mill roller;

and the second gear is arranged on the output shaft of the driving motor and is meshed with the first gear.

Through adopting above-mentioned technical scheme, driving motor starts to drive the second gear rotation, and the second gear rotation drives first gear and the mill roll rotation to this realizes that driving motor starts to drive roller and mill roll synchronous rotation.

Optionally, a conveying device for conveying the raw materials is arranged on the rack, and the conveying device includes;

the conveying pipe is arranged on the rack, is positioned above the open mill roll and is provided with a discharge hole for raw materials to pass through, and a feeding pipe with one end extending into the conveying pipe is arranged on the rack;

the sealing plate is rotatably arranged on the discharge hole through a rotating shaft and is used for sealing the discharge hole;

the blocking plate is arranged on the feeding pipe in a sliding mode and used for blocking raw materials from entering the conveying pipe;

the moving assembly is arranged on the rack and is connected with the blocking plate and the rotating shaft; the feed pipe is closed to the baffler board when the shrouding opens the discharge gate, and the feed pipe is opened to the baffler board when the shrouding closes the discharge gate.

The raw materials conveyed to the open mill are generally uniformly stirred by a stirrer to form pasty raw materials, and then the raw materials are conveyed to the open mill roller through a feeding pipe, but the raw materials positioned on the open mill roller are easy to accumulate at one position, so that the extrusion effect of the open mill roller on the raw materials is reduced, and the quality of a leather layer is reduced;

by adopting the technical scheme, the raw materials enter the conveying pipe through the feeding pipe, move to the sealing plate, then the moving assembly is started to drive the rotating shaft to rotate, and simultaneously the moving assembly drives the blocking plate to move, so that the blocking plate blocks the raw materials from entering the conveying pipe, the rotating shaft rotates to drive the sealing plate to rotate, the sealing plate rotates to open the discharge hole, and the raw materials drop downwards onto the open mill roll;

then the removal subassembly starts to drive the shrouding and closes the discharge gate, and the removal subassembly drives the baffle removal simultaneously and opens the conveyer pipe, consequently the raw materials continues to move on the shrouding to this has reduced the raw materials and has piled up the probability in a department, has improved the extrusion effect of mill roll to the raw materials, has improved the quality on leather layer.

Optionally, the moving assembly comprises;

the moving motor is arranged on the rack and connected with the rotating shaft;

a moving gear provided on the rotating shaft;

and the movable rack is arranged on the rack in a sliding manner, is connected with the blocking plate and is meshed with the movable gear.

Through adopting above-mentioned technical scheme, the moving motor starts to drive axis of rotation and removes the gear revolve, and the axis of rotation rotates and drives the shrouding rotation, and removes the gear revolve and drive and remove rack and remove, removes rack and remove and drive the baffler and remove to this realizes that the moving motor starts to drive the shrouding and rotates and the baffler removes and go on simultaneously, has improved the synchronism when shrouding and baffler move.

Optionally, a pre-pressing device for pre-pressing the raw material is arranged on the frame, and the pre-pressing device comprises;

the two pre-pressing rollers are rotatably arranged on the frame and positioned between the conveying pipe and the open mill roller, and the raw materials in the conveying pipe fall onto the two pre-pressing rollers through the discharge port;

and the rotating mechanism is arranged on the prepressing roll and is connected with the rotating shaft, and when the rotating shaft drives the prepressing roll to rotate, the rotating angle of the prepressing roll is greater than that of the rotating shaft.

By adopting the technical scheme, the raw materials drop onto the pre-pressing roller, the rotating shaft rotates to drive the sealing plate to open the discharge hole, the rotating shaft rotates to drive the pre-pressing roller to rotate through the rotating mechanism, the pre-pressing roller rotates to pre-press the raw materials, the raw materials drop onto the open mill roller after being pre-pressed to be extruded, the extrusion effect of the raw materials is improved, and the quality of the leather layer is improved; the rotation angle of the prepressing roller is larger than that of the rotating shaft, so that the probability that the raw materials do not fall off from the prepressing roller is reduced, the probability that the raw materials are driven to stop on the prepressing roller by the rotation of the prepressing roller is also reduced, and the stability of the raw materials in open milling is improved.

Optionally, the rotating mechanism comprises;

the first linkage rack is arranged on the rack in a sliding manner;

the linkage gear is arranged on the pre-pressing roller;

and the second linkage rack is arranged on the first linkage rack and is meshed with the linkage gear.

By adopting the technical scheme, the rotating shaft rotates to drive the moving gear to rotate, the moving gear rotates to drive the first linkage rack to move, the first linkage rack moves to drive the second linkage rack to move, the second linkage rack moves to drive the linkage gear to rotate, and the linkage gear rotates to drive the pre-pressing roller to rotate, so that the rotating shaft rotates to drive the pre-pressing roller to rotate simultaneously.

Optionally, the mill roll includes first squeeze roll and second squeeze roll, the one end and the first squeeze roll of blade are contradicted, just be located in the frame and be provided with the conflict and just be used for striking off the scraper blade of raw materials on the second squeeze roll, rotate on the scraper blade and be provided with the direction squeeze roll that extrudees the raw materials with first squeeze roll cooperation.

Through adopting above-mentioned technical scheme, the blade is used for cutting the leather layer on the first squeeze roll, and the scraper blade strikes off the raw materials on the second squeeze roll, and the raw materials gets into between direction squeeze roll and the first squeeze roll under the scraper blade direction, direction squeeze roll and the extrusion of first squeeze roll for the raw materials that strike off and the raw materials on the first squeeze roll mix, thereby reduced the waste of raw materials, further improved the extrusion effect to the raw materials, improved the quality on leather layer.

Optionally, a guide rod is arranged on the rack, the blade is arranged on the guide rod in a sliding manner, and a positioning device for positioning the position of the blade is arranged on the blade.

Through adopting above-mentioned technical scheme, unblock positioner removes the blade position, removes and accomplishes the back, locks positioner to this position of adjusting the blade, thereby the adaptation cuts the leather layer of different width, has improved the accommodation when the blade cuts the leather layer.

Optionally, the positioning device comprises;

the positioning sleeve is arranged on the blade and is sleeved on the guide rod in a sliding manner;

a positioning screw rod which is connected on the positioning sleeve in a threaded manner and is tightly propped against the guide rod

By adopting the technical scheme, the positioning screw rod is screwed to be far away from the guide rod, then the positioning screw rod is rotated to drive the positioning sleeve and the blade to be far away from the first extrusion roller, then the positioning screw rod is pulled to drive the blade to move, so that the position of the blade is moved, after the movement is finished, the positioning screw rod is rotated to enable the blade to be pressed against the first extrusion roller, and finally the positioning screw rod is screwed to be tightly pressed against the guide rod, so that the position of the moving blade is adjusted; and meanwhile, the blade is moved away from the first pressing roller, so that the probability of abrasion caused when the blade and the first pressing roller move relatively is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the waste edge bypasses the guide roller and the driving roller, the driving mechanism is started to drive the driving roller to rotate, and the driving roller drives the waste edge to move back to the open mill roller, so that the waste edge and the raw materials are continuously mixed and open milled, the waste edge is recycled, and the waste of the raw materials is reduced;

2. the movable assembly is started to drive the sealing plate to rotate to open the discharge hole, and simultaneously the movable assembly drives the blocking plate to move to block the raw materials from entering the conveying pipe, so that the raw materials fall down onto the open mill roll; then the moving assembly is started to drive the sealing plate to close the discharge hole, and the blocking plate moves to open the conveying pipe, so that the probability of raw material accumulation at one position is reduced, the extrusion effect of the open mill roller on the raw material is improved, and the quality of a leather layer is improved;

3. the rotating shaft rotates to drive the pre-pressing roller to rotate, the pre-pressing roller rotates to pre-press the raw materials, the raw materials fall onto the open mill roller after being pre-pressed to be extruded, the extrusion effect of the raw materials is improved, and therefore the quality of the leather layer is improved.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the positioning device of the present application;

FIG. 3 isbase:Sub>A schematic cross-sectional view A-A of FIG. 1;

FIG. 4 is a schematic view of the conveying device and the pre-pressing device in the present application;

FIG. 5 is a partial schematic structural view of the present application, showing primarily the conveyor and turning mechanism;

FIG. 6 is a schematic view of the construction of the retrieval device and linkage assembly of the present application.

Reference numerals: 1. a frame; 11. a vertical plate; 111. a first mounting plate; 112. a second mounting plate; 12. open milling rollers; 121. a first squeeze roll; 122. a second squeeze roll; 13. a guide bar; 14. a blade; 15. a first support frame; 151. a second support frame; 16. a feed pipe; 161. a sliding hole; 17. a slideway; 2. a positioning device; 21. a positioning sleeve; 22. positioning a screw rod; 3. a conveying device; 31. a delivery pipe; 311. a rotating shaft; 312. a discharge port; 32. closing the plate; 33. a barrier plate; 331. a connecting plate; 34. a moving assembly; 35. a moving motor; 36. a moving gear; 37. moving the rack; 4. a pre-pressing device; 41. pre-pressing rollers; 5. a rotating mechanism; 51. a first linked rack; 52. a linkage gear; 53. a second linkage rack; 6. a recovery device; 61. a guide roller; 611. a first guide roller; 612. a second guide roller; 62. a drive roller; 63. a drive mechanism; 64. a drive motor; 65. a first synchronizing wheel; 66. a second synchronizing wheel; 67. a synchronous belt; 7. a linkage assembly; 71. a first gear; 72. a second gear; 81. a squeegee; 82. and guiding the extrusion roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses an open mill.

The model of the time controller in this embodiment is DH48.

Referring to fig. 1 and 2, the open mill comprises a frame 1 and two vertical plates 11 horizontally and fixedly installed on the upper surface of the frame 1 at intervals, wherein the side walls of the two vertical plates 11 on the opposite sides are hinged with open mill rolls 12, the vertical plates 11 are provided with blades 14 abutting against the open mill rolls 12, and the blades 14 are used for cutting a leather layer; the vertical plate 11 is provided with a conveying device 3 for conveying the raw material and a recovery device 6 for recovering the waste edge.

Referring to fig. 1 and 3, the open mill roll 12 includes a first pressing roll 121 and a second pressing roll 122 having parallel axes, the first pressing roll 121 and the second pressing roll 122 are horizontally disposed and horizontally spaced, and the first pressing roll 121 and the second pressing roll 122 are used for pressing raw materials to form a leather layer.

Referring to fig. 1 and 3, a scraper 81 is fixedly mounted on the side wall of the opposite side of the two vertical plates 11 and below the first pressing roller 121, one end of the scraper 81 abuts against the second pressing roller 122, and one end of the scraper 81, which is far away from the second pressing roller 122, is obliquely and downwardly arranged and hinged with a guiding pressing roller 82, the axes of the guiding pressing roller 82 and the first pressing roller 121 are parallel, the upper surface of the guiding pressing roller 82 protrudes out of the upper surface of the scraper 81, and a gap formed between the guiding pressing roller 82 and the first pressing roller 121 is the same as a gap formed between the first pressing roller 121 and the second pressing roller 122.

Referring to fig. 1 and 3, the scraper 81 scrapes off the raw material adhered to the second pressing roll 122, the raw material enters between the guide pressing roll 82 and the first pressing roll 121 by the scraper 81, and the guide pressing roll 82 and the first pressing roll 121 press the raw material, thereby reducing the possibility of the raw material adhering to the second pressing roll 122.

Referring to fig. 1, a horizontal guide rod 13 is fixedly installed on a side wall of one of the vertical plates 11 on a side close to the first pressing roller 121, and the guide rod 13 is parallel to an axis of the first pressing roller 121, while the guide rod 13 is located on a side of the first pressing roller 121 far from the second pressing roller 122.

Referring to fig. 1 and 2, two blades 14 are arranged at intervals along the axial direction of the guide rod 13, and the blades 14 are slidably mounted on the guide rod 13; the blade 14 is provided with a positioning device 2 for positioning the blade 14, and the positioning device 2 comprises a positioning sleeve 21 and a positioning screw 22; the positioning sleeve 21 is fixedly arranged on one end of the blade 14, and the positioning sleeve 21 is sleeved on the guide rod 13 in a sliding manner.

Referring to fig. 1 and 2, one end of the blade 14 away from the positioning sleeve 21 is obliquely downward and abuts against the first pressing roll 121, and the two blades 14 are used for cutting the leather layer; the positioning screw 22 is in threaded connection with the positioning sleeve 21, and the positioning screw 22 abuts against the guide rod 13 for positioning.

Referring to fig. 1 and 2, the positioning screw 22 is screwed to move away from the guide rod 13, the positioning screw 22 is rotated to drive the blade 14 to move away from the first squeezing roller 121, then the position of the blade 14 is moved, after the movement is completed, the positioning screw 22 is rotated to enable the blade 14 to be pressed against the first squeezing roller 121, and the positioning screw 22 is screwed to be pressed against the guide rod 13, so that the position of the blade 14 is adjusted.

Referring to fig. 1 and 4, the conveying device 3 includes a conveying pipe 31, a closing plate 32, a blocking plate 33 and a moving assembly 34, a first supporting frame 15 and a second supporting frame 151 are respectively fixedly mounted on the upper surfaces of the two vertical plates 11, and the first supporting frame 15 is located on the vertical plate 11 on the side far away from the guide rod 13; one end of the delivery pipe 31 is fixedly installed on the second support frame 151, and the lower surface of the other end of the delivery pipe 31 is fixedly connected with the top end of the first support frame 15.

Referring to fig. 1 and 2, the section of the conveying pipe 31 is square and horizontal and is located above the first squeeze roller 121, the conveying pipe 31 is located between the blade 14 and the vertical plate 11 connected with the first support frame 15, the center line of the conveying pipe 31 is parallel to the axis of the first squeeze roller 121, one end of the conveying pipe 31 close to the first support frame 15 is open, and one end of the conveying pipe 31 close to the second support frame 151 is closed.

With reference to figures 1 and 4 of the drawings, a discharge hole 312 communicated with one end of the conveying pipe 31 in a sealing way is formed in the lower surface of the conveying pipe 31; the feeding pipe 16 for conveying the raw materials is fixedly mounted at the top end of the first support frame 15, one end of the feeding pipe 16 penetrates through the opening of the conveying pipe 31 and extends into the conveying pipe 31, meanwhile, the cross section of the feeding pipe 16 is square, and the center lines of the feeding pipe 16 and the conveying pipe 31 are overlapped and used for conveying the raw materials into the conveying pipe 31.

Referring to fig. 4 and 5, the closing plate 32 is hinged to the discharge port 312 through a rotating shaft 311, and two closing plates 32 are horizontally arranged at intervals and used for blocking the discharge port 312; the axes of the rotating shafts 311 are parallel to the central line of the conveying pipe 31, and the two rotating shafts 311 are positioned at the opposite ends of the two close plates 32; one end of the rotating shaft 311 close to the second supporting frame 151 penetrates out of the conveying pipe 31; feed pipe 16 upper surface just is located and has seted up the hole 161 that slides near conveyer pipe 31 one side, and separation plate 33 is vertical to be slided and is installed on the hole 161 that slides, and separation plate 33 is used for blockking the raw materials in the feed pipe 16.

Referring to fig. 4 and 5, the moving assembly 34 is disposed on the conveying pipe 31 and connected to the blocking plate 33 and the rotating shaft 311, the moving assembly 34 includes a moving motor 35, a moving gear 36 and a moving rack 37, the moving motor 35 is fixedly mounted on the second supporting frame 151 and connected to the rotating shaft 311; the moving gear 36 is provided with two and keyed on two rotation shafts 311, respectively.

Referring to fig. 4 and 5, two moving racks 37 are provided and are respectively vertically slidably mounted on two opposite side walls of the second support frame 151, the two moving racks 37 are located between the two moving gears 36 and are respectively engaged with the two moving gears 36, meanwhile, a connecting plate 331 fixedly connected with the side wall of the blocking plate 33 is fixedly mounted at the top ends of the two moving racks 37, and the connecting plate 331 is located above the conveying pipe 31; a time controller (not shown) electrically connected to the moving motor 35 is fixedly mounted on the first support frame 15.

Referring to fig. 4 and 5, the blocking plate 33 opens the feed tubes 16 when the closure plate 32 closes the discharge port 312, and the blocking plate 33 closes the feed tubes 16 when the closure plate 32 opens the discharge port 312; the raw material moves to the upper surface of the closing plate 32 through the feeding pipe 16, and after the raw material continues to move forward for a specified time, the raw material contacts with the inner side wall of the sealed end of the conveying pipe 31, so that the time controller controls the moving motor 35 to start to drive the rotating shaft 311 and the closing plate 32 to rotate.

Referring to fig. 4 and 5, the closing plate 32 rotates to open the discharge port 312, the raw material is output through the discharge port 312, meanwhile, the rotating shaft 311 rotates to drive the moving gear 36 to rotate, the moving gear 36 rotates to move the moving rack 37 and the blocking plate 33 to move downwards, and the blocking plate 33 closes the conveying of the raw material in the feeding pipe 16; then the moving motor 35 is started to drive the closing plate 32 to close the discharge hole 312, and simultaneously the blocking plate 33 moves upwards to open the feeding pipe 16 to continue feeding.

Referring to fig. 1 and 4, a pre-pressing device 4 is arranged on the vertical plate 11 and between the conveying pipe 31 and the first squeezing roller 121, the pre-pressing device 4 is used for pre-pressing raw materials falling from the discharge port 312, the pre-pressing device 4 includes two pre-pressing rollers 41 and a rotating mechanism 5, the two pre-pressing rollers 41 are horizontally hinged on the side walls of the two vertical plates 11 at opposite sides, the two pre-pressing rollers 41 are horizontally arranged at intervals, the axes of the two pre-pressing rollers are parallel to the axis of the first squeezing roller 121, and the raw materials fall onto the two pre-pressing rollers 41 after being output through the discharge port 312; both the pre-pressing rollers 41 are provided with an anti-sticking layer which reduces the probability of the raw material sticking to the pre-pressing rollers 41.

Referring to fig. 1 and 4, the raw material output from the discharge port 312 falls onto two pre-pressing rollers 41, the pre-pressing rollers 41 pre-press the raw material, the pre-pressed raw material falls onto the first pressing roller 121 and the second pressing roller 122, and the first pressing roller 121 and the second pressing roller 122 press the raw material; the rotating mechanism 5 is arranged on the vertical plate 11, two prepressing rollers 41 and two rotating shafts 311 are respectively arranged on the rotating mechanism 5, and the rotating mechanism 5 comprises a first linkage rack 51, a linkage gear 52 and a second linkage rack 53.

Referring to fig. 4 and 5, two slide ways 17 are fixedly installed on the side wall of the vertical plate 11 close to one side of the pre-pressing roller 41 and located on two sides of the pre-pressing roller 41, and meanwhile, two moving gears 36 are located between the two slide ways 17; the first linkage rack 51 and the second linkage rack 53 are both in a vertical state, the bottom end of the first linkage rack 51 is fixedly connected with the top end of the second linkage rack 53, and the two second linkage racks 53 are respectively vertically slidably mounted on the side walls of the opposite sides of the two slide ways 17.

Referring to fig. 4 and 5, the interlocking gear 52 is keyed on the pre-press roll 41, and the first interlocking rack 51 is engaged with the moving gear 36, and the second interlocking rack 53 is engaged with the interlocking gear 52, so that the rotation shaft 311 rotates to drive the pre-press roll 41 to rotate in the same direction, the rotation angle of the pre-press roll 41 is greater than that of the rotation shaft 311, and the rotation angle of the pre-press roll 41 is 2-4 times of that of the rotation shaft 311.

Referring to fig. 1 and 4, when the rotating shaft 311 rotates to open the sealing plate 32, the rotating shaft 311 rotates to drive the first linkage rack 51 to move upward, the first linkage rack 51 moves upward to drive the second linkage rack 53 to move upward, the second linkage rack 53 moves upward to drive the linkage gear 52 and the pre-pressing roller 41 to rotate, the pre-pressing roller 41 rotates to pre-press the raw material dropped previously, the raw material drops onto the first extrusion roller 121 and the second extrusion roller 122 after being pre-pressed, and then the raw material drops onto the two pre-pressing rollers 41 through the discharge hole 312, so that the raw material is pre-pressed when the raw material is discharged through the discharge hole 312 next time.

Referring to fig. 1 and 2, the recycling device 6 includes a guide roller 61 and a driving roller 62, a first mounting plate 111 and a second mounting plate 112 are respectively fixedly mounted on the side walls of the opposite sides of the two vertical plates 11 and on the side of the guide rod 13 away from the first squeeze roller 121, the first mounting plate 111 and the second mounting plate 112 are located above the guide rod 13, and the first mounting plate 111 and the guide rod 13 are located on the same vertical plate 11.

Referring to fig. 1 and 2, the guide roller 61 includes a first guide roller 611 and a second guide roller 612, and the first guide roller 611 and the second guide roller 612 are horizontally hinged on the side walls of the first mounting plate 111 and the second mounting plate 112 on the side close to the guide bar 13, respectively, and the axes of the first guide roller 611 and the second guide roller 612 are parallel, while the first guide roller 611 is in an inclined state, and the distance from the end of the first guide roller 611 far from the first mounting plate 111 to the blade 14 is smaller than the distance from the end close to the first mounting plate 111 to the blade 14.

Referring to fig. 1 and 2, the driving roller 62 is horizontally hinged on the side wall of the vertical plate 11 connected with the second mounting plate 112, the driving roller 62 is located on one side of the vertical plate 11 close to the second mounting plate 112, meanwhile, two driving rollers 62 are vertically arranged at intervals and are matched with each other to clamp the waste edge, and the driving roller 62 is located above the first squeezing roller 121. After the cut waste edge passes through the first guide roller 611 and the second guide roller 612, the waste edge passes through the space between the two driving rollers 62, the driving rollers 62 rotate to drive the waste edge to enter the space between the first squeezing roller 121 and the second squeezing roller 122, and the waste edge and the raw materials are continuously mixed and squeezed.

Referring to fig. 1 and 6, the recycling device 6 includes a driving mechanism 63, the driving mechanism 63 is disposed on the vertical plate 11 and connected to the driving roller 62, the driving mechanism 63 includes a driving motor 64, a first synchronizing wheel 65 and a second synchronizing wheel 66, the driving motor 64 is fixedly mounted on the side wall of the vertical plate 11 connected to the driving roller 62, the driving motor 64 is located on one side of the vertical plate 11 far away from the second mounting plate 112, and the driving motor 64 is connected to the second squeezing roller 122 through the linkage assembly 7.

Referring to fig. 1 and 6, the linkage assembly 7 includes a first gear 71 and a second gear 72, one end of the first pressing roller 121 and one end of the driving roller 62 near the driving motor 64 penetrate out of the vertical plate 11, the first gear 71 is keyed on the second pressing roller 122, the second gear 72 is keyed on an output shaft of the driving motor 64, and the second gear 72 is meshed with the first gear 71; the first synchronous wheel 65 is fixedly arranged at one end of one of the driving rollers 62 penetrating out of the vertical plate 11, the second synchronous wheel 66 is fixedly arranged on an output shaft of the driving motor 64, and the second synchronous wheel 66 and the first synchronous wheel 65 are connected together through a synchronous belt 67.

Referring to fig. 1 and 6, the driving motor 64 is started to drive the second synchronizing wheel 66 and the second gear 72 to rotate, the second synchronizing wheel 66 drives the first synchronizing wheel 65 and the driving roller 62 to rotate through the synchronous belt 67, meanwhile, the second gear 72 rotates to drive the first gear 71 and the second squeeze roller 122 to rotate, and the second squeeze roller 122 drives the raw material and the first squeeze roller 121 to rotate, so that the raw material is squeezed into a leather layer, and the leather layer and the waste edge synchronously move.

The working principle of the embodiment of the application is as follows:

the raw material moves to the upper surface of the closing plate 32 through the feeding pipe 16, the time controller controls the moving motor 35 to start to drive the rotating shaft 311 to rotate, the rotating shaft 311 rotates to drive the closing plate 32 to rotate, the closing plate 32 rotates to open the discharging hole 312, the rotating shaft 311 rotates to drive the moving gear 36 to rotate, the moving gear 36 rotates to drive the moving rack 37 and the blocking plate 33 to move downwards, the blocking plate 33 moves downwards to close feeding of the feeding pipe 16, and the raw material falls onto the pre-pressing roller 41 through the discharging hole 312.

The moving gear 36 rotates to drive the first linkage rack 51 and the second linkage rack 53 to move upwards, the second linkage rack 53 moves upwards to drive the linkage gear 52 and the prepressing roller 41 to rotate, the prepressing roller 41 rotates to prepress the raw material falling onto the prepressing roller 41 in the previous time, the raw material falls onto the first extrusion roller 121 and the second extrusion roller 122 after being prepressed, and the raw material output from the discharge port 312 falls onto the prepressing roller 41 so as to facilitate the prepressing in the next time, so that the extrusion effect of the raw material is improved; after the raw material is output from the discharge port 312, the moving motor 35 is started to drive the rotating shaft 311 to rotate, so that the sealing plate 32 rotates to close the discharge port 312, and the blocking plate 33 moves upwards to open the feeding pipe 16 to continue feeding.

Driving motor 64 starts to drive second squeeze roll 122 and rotates, second squeeze roll 122 and first squeeze roll 121 rotate extrusion raw materials and form the leather layer, the leather layer moves to two blades 14 departments, blade 14 cuts the leather layer, the finished product after the cutting moves to the next process, and the slitter edge that cuts off moves to between two drive rollers 62 around first guide roller 611 and second guide roller 612 in proper order, driving motor 64 starts to drive roller 62 and rotates, drive roller 62 drives the slitter edge and moves to between first squeeze roll 121 and the second squeeze roll 122, the slitter edge continues to mix with the raw materials, thereby recycle the slitter edge, the waste of raw materials is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an open mill, includes frame (1), rotates mill roll (12) of setting in frame (1), be provided with blade (14) of contradicting on mill roll (12) in frame (1), its characterized in that: a recovery device (6) for recovering the waste edges is arranged on the rack (1), and the recovery device (6) comprises;

the guide roller (61) is rotatably arranged on the rack (1) and is used for guiding the slitter edges;

the driving roller (62), the said driving roller (62) is set up on framework (1) rotatably and used for driving the slitter edge to move;

the driving mechanism (63), the said driving mechanism (63) is set up on framework (1) and connected with drive roller (62);

the machine frame (1) is provided with a conveying device (3) for conveying raw materials, and the conveying device (3) comprises;

the conveying pipe (31) is arranged on the rack (1), is positioned above the open mill roll (12) and is provided with a discharge hole (312) for raw materials to pass through, and the rack (1) is provided with a feeding pipe (16) with one end extending into the conveying pipe (31);

the sealing plate (32) is rotatably arranged on the discharge hole (312) through a rotating shaft (311) and is used for sealing the discharge hole (312);

the blocking plate (33) is arranged on the feeding pipe (16) in a sliding mode and used for blocking raw materials from entering the conveying pipe (31);

the moving assembly (34) is arranged on the rack (1) and connected with the blocking plate (33) and the rotating shaft (311); the blocking plate (33) closes the feed pipe (16) when the closing plate (32) opens the discharge port (312), and the blocking plate (33) opens the feed pipe (16) when the closing plate (32) closes the discharge port (312);

the moving assembly (34) comprises;

the moving motor (35), the moving motor (35) is arranged on the frame (1) and is connected with the rotating shaft (311);

a moving gear (36), the moving gear (36) being provided on a rotating shaft (311);

the moving rack (37), the moving rack (37) is arranged on the rack (1) in a sliding manner, is connected with the blocking plate (33) and is meshed with the moving gear (36);

a prepressing device (4) for prepressing the raw materials is arranged on the rack (1), and the prepressing device (4) comprises;

the two pre-pressing rollers (41) are rotatably arranged on the rack (1) and positioned between the conveying pipe (31) and the open mill roller (12), and raw materials in the conveying pipe (31) fall onto the two pre-pressing rollers (41) through a discharge hole (312);

the rotating mechanism (5) is arranged on the prepressing roll (41) and connected with the rotating shaft (311), and when the rotating shaft (311) drives the prepressing roll (41) to rotate, the rotating angle of the prepressing roll (41) is larger than that of the rotating shaft (311);

the rotating mechanism (5) comprises;

the first linkage rack (51), the first linkage rack (51) is arranged on the rack (1) in a sliding manner;

a linkage gear (52), the linkage gear (52) being provided on the pre-press roll (41);

and a second linkage rack (53), wherein the second linkage rack (53) is arranged on the first linkage rack (51) and is meshed with the linkage gear (52).

2. An open mill according to claim 1, characterized in that: the drive mechanism (63) comprises;

the drive motor (64) is arranged on the rack (1) and is connected with the open mill roller (12) through a linkage assembly (7);

a first synchronizing wheel (65), the first synchronizing wheel (65) being provided on the drive roller (62);

and the second synchronous wheel (66) is arranged on the output shaft of the driving motor (64) and is connected with the first synchronous wheel (65) through a synchronous belt (67).

3. An open mill according to claim 2, characterized in that: the linkage assembly (7) comprises;

a first gear (71), wherein the first gear (71) is arranged on the open mill roller (12);

a second gear (72), the second gear (72) being provided on the output shaft of the drive motor (64) and meshing with the first gear (71).

4. An open mill according to claim 1, characterized in that: open mill roller (12) are including first squeeze roll (121) and second squeeze roll (122), the one end and first squeeze roll (121) of blade (14) are contradicted, just be located in frame (1) and be provided with conflict on second squeeze roll (122) and be used for scraping scraper blade (81) of raw materials on second squeeze roll (122), it is provided with direction squeeze roll (82) of extruding raw materials with first squeeze roll (121) cooperation to rotate on scraper blade (81).

5. An open mill according to claim 1, characterized in that: the cutting machine is characterized in that a guide rod (13) is arranged on the rack (1), the blade (14) is arranged on the guide rod (13) in a sliding mode, and a positioning device (2) for positioning the position of the blade (14) is arranged on the blade (14).

6. An open mill according to claim 5, characterized in that: the positioning device (2) comprises;

the positioning sleeve (21) is arranged on the blade (14) and sleeved on the guide rod (13) in a sliding manner;

and the positioning screw rod (22), the positioning screw rod (22) is in threaded connection with the positioning sleeve (21) and is tightly propped against the guide rod (13).