CN108251580B

CN108251580B - Multipurpose leather drum device

Info

Publication number: CN108251580B
Application number: CN201810117750.5A
Authority: CN
Inventors: 林晓丽; 陈晔
Original assignee: Haining Wenshuo Technology Consultation Co ltd
Current assignee: Shandong Yusheng Culture Co ltd
Priority date: 2018-02-06
Filing date: 2018-02-06
Publication date: 2021-05-07
Anticipated expiration: 2038-02-06
Also published as: CN108251580A; CN108754051B; CN108754051A

Abstract

The invention provides a multi-purpose leather drum device, which is used for realizing high-efficiency turnover treatment of leather and comprises a drum body, a base and a driving mechanism, wherein the drum body is arranged on the base, the driving mechanism is connected with the drum body, the drum body comprises an outer drum body and an inner drum body, and the inner drum body is provided with an inner drum cavity for accommodating the leather; an outer drum cavity is formed between the outer drum body and the inner drum body, and the inner drum body is provided with a group of holes; the leather rotary drum device is provided with a liquid inlet assembly, an air supply assembly and an air supply pipeline, wherein the liquid inlet assembly is communicated with an outer drum cavity, the air supply pipeline is arranged outside the rotary drum body, and the air supply assembly is arranged in the outer drum cavity and is connected with the air supply pipeline.

Description

Multipurpose leather drum device

Technical Field

The invention belongs to the technical field of leather processing, and relates to a multi-purpose leather drum device.

Background

The leather is animal leather which is obtained by physical and chemical processing such as unhairing, tanning and the like, is denatured and not easy to rot, has natural grains and luster, is comfortable in hand feeling, and is applied to leather such as domestic leather and the like.

The rotary drum is a rotating device for turning the raw hide inside (for washing, pickling, tanning and dyeing) or cleaning the fur inside (through turning with fine sawdust) in the process of making leather, is an important device widely used by tanneries, and when the rotary drum is driven by a motor to rotate, the leather in the drum is continuously bent, stretched, beaten, stirred and other mechanical actions, so that the chemical reaction process is accelerated, the physical properties of the leather are changed, and the application range of the rotary drum covers most wet processing procedures of making leather, dry-state softening, napping and the like. The existing rotary drum has a single structure and longer processing time, is difficult to adapt to the high-efficiency tanning requirement, and the improvement of the rotary drum structure is a problem to be solved urgently in the field.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a multipurpose leather drum device which is used for realizing efficient turnover treatment of leather.

The purpose of the invention can be realized by the following technical scheme:

a multi-purpose leather drum device comprises a drum body, a base and a driving mechanism, wherein the drum body is arranged on the base, the driving mechanism is connected with the drum body, the drum body comprises an outer drum body and an inner drum body, and the inner drum body is provided with an inner drum cavity for accommodating leather; an outer drum cavity is formed between the outer drum body and the inner drum body, and the inner drum body is provided with a group of holes; the leather rotary drum device is provided with a liquid inlet assembly, an air supply assembly and an air supply pipeline, wherein the liquid inlet assembly is communicated with an outer drum cavity, the air supply pipeline is arranged outside the rotary drum body, and the air supply assembly is arranged in the outer drum cavity and is connected with the air supply pipeline.

In the above-mentioned multipurpose leather drum device, the cross section of the inner drum body is polygonal.

In foretell multi-purpose leather rotary drum device, the feed liquor subassembly includes the water pump, outer water pipe, interior water pipe and rotatory nozzle, and water pump and outer water pipe setting are outside the rotary drum, and interior water pipe and rotatory nozzle setting are in outer drum cavity, and interior water pipe links to each other with outer drum body is fixed, and the water connectors of interior water pipe are rotationally connected to rotatory nozzle, is equipped with the stock solution bucket outside the rotary drum, and the water pump links to each other stock solution bucket and outer water pipe, and outer water pipe leads to outer drum body and links to each other with interior water pipe.

In the multi-purpose leather drum device, the rotary spray head is connected with the inner water pipe in a self-rotating way through the spray head connecting piece; the rotary nozzle comprises a water inlet rotating shaft and a plurality of rotating blades, the rotating blades vertically extend to the water inlet rotating shaft, the water inlet rotating shaft is provided with a water inlet flow passage, the rotating blades are provided with liquid spraying flow passages, and the water inlet flow passages are communicated with the inner water pipe and the liquid spraying flow passages.

In the above-mentioned multi-purpose leather drum device, the bottom surface of the rotating blade is a lower liquid-spraying surface facing the inner drum body, and the lower liquid-spraying surface has a plurality of lower liquid-spraying ports; one side surface of the rotating blade is a side liquid spraying surface, the other side surface of the rotating blade is a pressure bearing surface, the side liquid spraying surface is provided with side liquid spraying ports, the side liquid spraying ports face to the pressure bearing surface of the rotating blade on the front side of the side liquid spraying ports, and the number of the side liquid spraying ports is gradually reduced along the rotation direction of the rotating nozzle.

In the multi-purpose leather drum device, the air supply assembly comprises an air supply main pipe and a plurality of groups of air supply supports, each air supply support comprises a guide pipe and a plurality of air outlet pipes, the air outlet pipes extend to the guide pipes at intervals, the guide pipes are connected with the air supply main pipe, and the air supply main pipe is connected with the air inlet pipes outside the drum; the draft tube extends along the axial direction of the inner drum body.

In the multi-purpose leather drum device, the air outlet pipe comprises a fixed pipe, an extension pipe and a spring, the extension pipe is connected with the fixed pipe in an inserting way, the extension pipe is provided with an air outlet channel, the inner end of the extension pipe is connected with the fixed pipe through the spring, and the outer end of the extension pipe is abutted against the inner drum body; the top of the outer drum body is provided with an exhaust pipe which is communicated with an outer drum cavity of the outer drum body, and the exhaust pipe discharges the waste gas in the rotary drum outwards.

In foretell multi-purpose leather rotary drum device, the air supply line includes first gas circuit, second gas circuit and total gas circuit, and the intake pipe is connected to total gas circuit, is equipped with mixing chamber, fan and flow control valve on the total gas circuit in proper order, and mixing chamber is connected respectively to first gas circuit and second gas circuit, and first gas circuit is equipped with fan, heating chamber and flow control valve, and the second gas circuit is equipped with fan and flow control valve.

In the above-mentioned multi-purpose leather drum device, a plurality of drum balls are arranged in the inner drum body; the drum ball and the leather are mixed together and can move in the inner drum body.

In the above-mentioned multi-purpose leather drum device, the drum ball includes an outer ball body and an inner ball body, the outer ball body defines an outer ball cavity, the inner ball body is accommodated in the outer ball cavity and has a variable volume, and the outer ball surface of the inner ball body is convexly provided with bristles which can extend out of the outer ball body.

Compared with the prior art, the technical scheme has the advantages that:

1. set up the air feed subassembly between the internal drum body and the outer drum body, admit air to the internal drum body through the air feed subassembly, promote the interior gas flow of rotary drum, make steam outwards discharge, avoid the leather attached on the inner wall of the internal drum body simultaneously, promote the leather collision expansion each other.

2. The temperature of the gas delivered by the gas supply pipeline is adjustable, so that hot gas in the rotary drum is discharged and recycled; the hot air is preheated and mixed outside the rotary drum and then is sent into the rotary drum, and is not directly heated in the rotary drum, so that the heating temperature is convenient to control, and the leather is prevented from being scalded.

Drawings

FIG. 1 is a schematic view of the leather drum apparatus of the present invention.

FIG. 2 is a schematic internal view of the leather drum apparatus of the present invention.

FIG. 3 is a cross-sectional view of the rotary sprayer of the leather drum apparatus of the present invention.

FIG. 4 is a schematic view of the structure of the rotary nozzle of the leather drum apparatus of the present invention.

FIG. 5 is a top view of the rotary sprayer of the leather drum assembly of the present invention.

Fig. 6 and 7 are schematic views showing the structure of drum balls of the leather drum apparatus of the present invention.

FIG. 8 is a schematic view of the outlet pipe of the leather drum device of the present invention.

Fig. 9 and 10 are schematic structural views of a leather gripper of the leather drum apparatus of the present invention.

In the figure, 1, a base; 2. an outer drum body; 3. an inner drum body; 4. a rotating shaft; 5. an inner drum cavity; 6. an outer drum cavity; 7. group holes; 8. a motor; 9. a reduction gearbox; 10. a belt; 11. an outer door; 12. an inner door; 13. a temperature sensor; 14. a water pump; 15. an outer water pipe; 16. an inner water pipe; 17. rotating the spray head; 18. a liquid storage barrel; 19. an outer water main; 20. an external water branch pipe; 21. a water valve master switch; 22. a water valve is switched; 23. an upper water inlet; 24. a side water inlet; 25. an upper inner water pipe; 26. a side inner water pipe; 27. a nozzle link; 28. a water inlet rotating shaft; 29. rotating the leaves; 30. a water inlet flow channel; 31. a liquid spraying channel; 32. lower spraying liquid level; 33. a lower liquid spraying port; 34. a pressure bearing face; 35. a side spray port; 36. a liquid collecting tank; 37. blocking the leaf; 38. a water outlet joint; 39. a connecting nut; 40. connecting a retaining ring; 41. a card slot; 42. buckling; (ii) a 44. Rotating a drum ball; 45. a support plate; 46. an elastic member; 49. an outer sphere; 50. an inner sphere; 51. brushing; 52. a sphere support; 53. an elastic ball cover; 54. an inner ball cavity; 55. a leather clamp; 56. a first splint; 57. a second splint; 58. a main connecting rod; 59. a clamping lever; 60. connecting columns; 61. a wire mesh; 62. a pellet; 63. a gas supply main pipe; 64. a gas supply bracket; 65. a flow guide pipe; 66. an air outlet pipe; 67. an air inlet pipe; 68. a fixed tube; 69. a telescopic pipe; 70. an air outlet channel; 71. an air outlet; 72. air holes; 73. an exhaust pipe; 74. a first gas path; 75. a second gas path; 76. a total gas path; 77. a mixing chamber; 78. a fan; 79. a flow regulating valve; 80. a heating chamber; 81. a feed inlet; 82. an electrical heating plate; 83. an electric cabinet; 84. a third gas path; 85. a condenser; 86. a liquid recovery barrel; 87. a drain line; 88. draining pump; 89. a filter vat; 90. a return pipe.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 10, the present invention provides a multi-purpose leather drum device, which can be used for leather cleaning, leather softening, leather dyeing, leather tanning, etc. The leather drum device comprises a drum body, a base 1 and a driving mechanism, wherein the drum body is arranged on the base 1, the driving mechanism is connected with the drum body, the drum body comprises an outer drum body 2 and an inner drum body 3, a rotating shaft 4 is arranged inside the inner drum body 3, the inner drum body 3 is fixedly arranged in the outer drum body 2, and the inner drum body 3 is provided with an inner drum cavity 5 for accommodating leather; an outer drum cavity 6 is formed between the outer drum body 2 and the inner drum body 3, the inner drum body 3 is provided with a group of holes 7, and the group of holes 7 are communicated with the inner drum cavity 5 and the outer drum cavity 6; the base 1 supports fixed outer drum body 2, and outer drum body 2 and interior drum body 3 do not all rotate, and actuating mechanism drive pivot 4 rotates, and actuating mechanism includes motor 8, reducing gear box 9 and belt 10, and motor 8 links to each other reducing gear box 9, and pivot 4 passes outer drum body 2 and links to each other through belt 10 and reducing gear box 9.

The outer drum body 2 is provided with an outer door 11, and the inner drum body 3 is provided with an inner door 12; the outer door 11 can be selected to be one door and used for feeding and discharging at the same time, and the outer door 11 can also be selected to be two doors for feeding and discharging; similarly, the inner door 12 can be selected to be one door for feeding and discharging, and the inner door 12 can be selected to be two doors for feeding and discharging.

After the outer door 11 and the inner door 12 are opened in sequence, leather is placed in the inner drum cavity 5, then the inner door 12 and the outer door 11 are closed in sequence, when the leather is treated, the treating fluid is introduced into the outer drum cavity 6 and enters the inner drum cavity 5 through the group holes 7 on the inner drum body 3 to act on the leather, and the rotating shaft 4 rotates to drive the leather to move in the inner drum cavity 5 so as to be fully contacted with the treating fluid and the inner drum cavity 5.

The outer door 11 and the inner door 12 are both provided with transparent observation windows, which is convenient for observing the working condition in the rotary drum. The outer drum cavity 6 and the inner drum cavity 5 are both provided with temperature sensors 13; for monitoring the temperature of the feedback outer drum chamber 6 and the temperature of the inner drum chamber 5, respectively.

The leather rotary drum device also comprises a liquid inlet component, wherein the liquid inlet component comprises a water pump 14, an outer water pipe 15, an inner water pipe 16 and a rotary spray head 17, the water pump 14 and the outer water pipe 15 are arranged outside the rotary drum, the inner water pipe 16 and the rotary spray head 17 are arranged in the outer drum cavity 6, the inner water pipe 16 is fixedly connected with the outer drum body 2, the rotary spray head 17 is rotatably connected with a water outlet connector 38 of the inner water pipe 16, a liquid storage barrel 18 is arranged outside the rotary drum, treatment liquid is arranged in the liquid storage barrel 18, the water pump 14 is connected with the liquid storage barrel 18 and the outer water pipe 15, and the outer water pipe 15 is communicated with the outer drum body 2 and; the rotary head 17 is directed toward the inner drum 3 and sprays the treatment liquid thereto; the water pump 14 pumps the treatment liquid in the liquid storage tank 18 and sends the treatment liquid to the inner water pipe 16 through the outer water pipe 15, and the rotary nozzle 17 sprays the treatment liquid to the inner drum 3. The outer drum body 2 is further provided with a feed inlet 81 for adding chemical agents.

At least two rotary nozzles 17 are installed on the inner water pipe 16 to enlarge the spraying range of the treatment liquid and increase the spraying amount of the treatment liquid directly entering the inner drum cavity 5.

The outer drum body 2 is provided with three water inlets, the number of the inner water pipes 16 is three, each water inlet is respectively communicated with one inner water pipe 16, the outer water pipe 15 comprises an outer water main pipe 19 and three outer water branch pipes 20, the water pump 14 is connected with the outer water main pipe 19, and the outer water branch pipes 20 are branched from the outer water main pipe 19 and lead to the corresponding water inlets; the outer water main pipe 19 is provided with a water valve main switch 21, and each outer water branch pipe 20 is provided with a water valve branch switch 22.

The top of the outer drum body 2 is provided with an upper water inlet 23, and the front side and the rear side of the outer drum body 2 are respectively provided with a side water inlet 24; the water valve main switch 21 is used for controlling the opening and closing of the outer water main pipe 19, the water valve branch switches 22 are used for respectively controlling the opening and closing of the outer water branch pipes 20, and the corresponding outer water branch pipes 20 are opened and closed according to the process flow to feed liquid, so that the liquid feeding position and the liquid feeding amount are controlled.

The inner water pipe 16 comprises an upper inner water pipe 25 and two side inner water pipes 26, the upper inner water pipe 25 transversely extends right above the inner drum body 3 and is connected with the upper water inlet 23 of the outer drum body 2, the side inner water pipes 26 transversely extend on the front side and the rear side of the inner drum body 3 and are connected with the side water inlets 24 of the outer drum body 2, and the two side inner water pipes 26 are asymmetrically arranged.

The rotary sprayer 17 of the upper inner water pipe 25 sprays liquid downwards from the right above the inner drum body 3, the rotary sprayer 17 of the side inner water pipe 26 positioned at the front side of the inner drum body 3 sprays liquid backwards, the rotary sprayer 17 of the side inner water pipe 26 positioned at the rear side of the inner drum body 3 sprays liquid forwards, and the two side inner water pipes 26 are distributed in a high-low mode, so that the inner drum body 3 can be sprayed in multiple directions.

The inner water pipe 16 is arranged in the outer drum cavity 6 and is not only used for supplying treatment liquid to the inner drum body 3, more particularly, the treatment liquid is sprayed on the inner drum body 3, impurities on the inner drum body 3 can be washed away, the impurities attached to the inner drum body 3 are reduced, the impurities are discharged, the treatment liquid can be directly sprayed on the leather through the group holes 7 of the inner drum body 3, the immersion of the treatment liquid on the leather is improved, the leather subjected to the spraying effect cannot be attached to the inner wall of the inner drum body 3, and the treatment liquid is enabled to be overturned in multiple directions in the inner drum cavity 5.

The rotary spray head 17 is connected with the inner water pipe 16 in a self-rotating way through a spray head connecting piece 27; when the treatment liquid is ejected from the spin head 17, the spin head 17 is driven to rotate, thereby increasing the ejection range of the treatment liquid.

The rotary nozzle 17 comprises a water inlet rotating shaft 28 and a plurality of rotating blades 29, wherein the rotating blades 29 vertically extend to the water inlet rotating shaft 28, the water inlet rotating shaft 28 is provided with a water inlet flow passage 30, the rotating blades 29 are provided with a liquid spraying flow passage 31, and the water inlet flow passage 30 is communicated with the inner water pipe 16 and the liquid spraying flow passage 31; the inner diameter of the water inlet channel 30 is gradually reduced inwards, and the inner diameter of the liquid spraying channel 31 is gradually reduced towards the outer end; the treatment liquid in the inner water pipe 16 is collected in the water inlet passage 30 and branched to the liquid spray passages 31 of the respective rotary vanes 29.

The bottom surface of the rotating vane 29 is a lower liquid spraying surface 32, the lower liquid spraying surface 32 faces the inner drum body 3, and the lower liquid spraying surface 32 is provided with a plurality of lower liquid spraying ports 33; one side surface of the rotating vane 29 is a side liquid spraying surface, the other side surface of the rotating vane 29 is a pressure bearing surface 34, the side liquid spraying surface is provided with side liquid spraying ports 35, the side liquid spraying ports 35 face the pressure bearing surface 34 of the rotating vane 29 at the front side of the side liquid spraying ports, and the number of the side liquid spraying ports 35 is gradually reduced along the rotation direction of the rotating nozzle 17; when the side liquid ejection ports 35 eject the pressure receiving surface 34 of the rotary vane 29 forward, the ejection force of each rotary vane 29 is changed one by one due to the change in the number of the side liquid ejection ports 35, and the arrangement of the side liquid ejection ports 35 provides a driving force for the rotation of the rotary head 17.

The lower liquid spray ports 33 are arranged in a linear shape, the spray angles of the lower liquid spray ports 33 are different, the spray angle of the lower liquid spray ports 33 gradually inclines towards the rotating blade 29 on the front side along the rotation direction of the rotary spray head 17, and the inclined arrangement of the spray angle of the lower liquid spray ports 33 not only expands the range of lower liquid spray, but also provides a certain driving force for the rotation of the rotary spray head 17.

The pressure receiving surface 34 is inclined toward the inner drum 3, and after the treatment liquid from the side liquid ejection port 35 is ejected onto the pressure receiving surface 34, the treatment liquid is partially reflected by the pressure receiving surface 34 to the inner drum 3, and the treatment liquid ejected from the side liquid ejection port 35 not only performs a rotation driving function, but also is ejected onto the inner drum 3 after being reflected, which is different from the ejection direction of the lower ejection port, thereby further increasing the ejection range and the flushing range of the treatment liquid.

Specifically, the height of the inner water pipe 16 is higher than the axial center of the inner drum 3, the pressure bearing surface 34 is inclined downward, and the treatment liquid is injected from top to bottom.

Alternatively, the pressure receiving surface 34 is recessed inwardly with a liquid collecting groove 36, the liquid collecting groove 36 increases the force receiving area of the pressure receiving surface 34, the liquid collecting groove 36 prevents the processing liquid from being reflected outwardly when the side liquid ejecting port 35 ejects the processing liquid toward the pressure receiving surface 34, and the processing liquid accumulated in the liquid collecting groove 36 ensures a stable driving force for self-rotation.

Alternatively, a baffle 37 is protruded at the top of the pressure receiving face 34, the baffle 37 being perpendicular to the pressure receiving face 34, the baffle 37 blocking the processing liquid from being jetted upward and reflecting it to the inner drum 3.

The inner water pipe 16 is convexly provided with a water outlet joint 38 for installing the rotary spray head 17, the water outlet joint 38 is provided with an external thread, the spray head connecting piece 27 comprises a connecting nut 39 and a connecting snap ring 40, the connecting snap ring 40 is provided with an external thread, the connecting snap ring 40 is formed by buckling two semi-rings, the inner wall of the connecting snap ring 40 is concavely provided with a clamping groove 41, the outer wall of the water inlet rotating shaft 28 is convexly provided with a circle of buckle 42 matched with the clamping groove 41, the connecting snap ring 40 is buckled outside the water inlet rotating shaft 28, the water inlet rotating shaft 28 is inserted into the water outlet joint 38, the connecting snap ring 40 is abutted against the water outlet joint 38, and the connecting nut 39.

The clamping groove 41 is formed by splicing two half rings, the size of the clamping groove 41 is slightly larger than that of the buckle 42, the buckle 42 is accommodated in the clamping groove 41, the water inlet rotating shaft 28 can rotate to the connecting retaining ring 40 and the water outlet connector 38, and a sealing ring is arranged between the water outlet connector 38 and the connecting retaining ring 40; the connecting retaining ring 40 is formed by buckling two semi-rings, so that the connecting retaining ring is convenient to assemble with the water inlet rotating shaft 28, and the connecting nut 39 is simultaneously in threaded connection with the water outlet connector 38 and the connecting retaining ring 40, so that the connecting force between the rotary spray head 17 and the inner water pipe 16 during rotation is improved.

A plurality of drum balls 44 are arranged in the inner drum body 3; the leather impacts the drum balls 44, strengthening and improving the leather's motion.

The rotary drum ball 44 and the leather are mixed together and can move on the inner drum body 3;

when the drum balls 44 and the leather are mixed together, the leather is prevented from being rolled together, and the leather is conveniently unfolded to be immersed in the treatment liquid.

Alternatively, the cross section of the inner drum body 3 is octagonal, each side of the inner drum body 3 is provided with a support plate 45, the support plates 45 are connected with the inner wall of the inner drum body 3 through elastic pieces 46, and the support plates 45 are provided with liquid holes.

The cross section of the inner drum body 3 is non-circular, so that the loading capacity of the inner drum cavity 5 is increased, and the installation of the support plate 45 is facilitated; the supporting plate 45 is provided to prevent the leather from directly striking the inner wall of the inner drum 3, and the elastic member 46 can absorb noise and rebound the leather through the supporting plate 45.

The elastic force of the elastic member 46 makes the support plate 45 bounce the leather to realize multiple collisions; the arrangement of the supporting plate 45 prevents the leather from being folded by winding, and improves the number of times of collision and the leather processing efficiency.

The drum ball 44 comprises an outer ball 49 and an inner ball 50, the outer ball 49 defines an outer ball cavity, the inner ball 50 is accommodated in the outer ball cavity and has a variable volume, the outer ball surface of the inner ball 50 is convexly provided with bristles 51, and the bristles 51 can extend out of the outer ball 49; the drum balls 44 effectively cooperate with the leather to enhance and improve the movement state of the leather, prevent the leather from being overlapped or wound, and improve the leather treatment efficiency. When the bristles 51 are accommodated in the outer ball cavity, the leather only contacts the outer ball 49, and the outer ball 49 impacts the leather to soften the leather; when the inner sphere 50 is enlarged, the brush hairs 51 extend out of the outer sphere 49, and when the leather contacts the rotary drum sphere 44, the brush hairs 51 are collided on the leather, so that impurities on the leather are brushed away.

Specifically, the outer sphere 49 is made of acid and alkali resistant plastic, and the outer sphere 49 is provided with a through hole; the inner ball 50 comprises a ball support 52 and an elastic ball skin 53, the elastic ball skin 53 surrounds a closed inner ball cavity 54, the ball support 52 is accommodated in the inner ball cavity 54 and supports the elastic ball skin 53, and the bristles 51 are molded on the surface of the elastic ball skin 53.

Optionally, the inner ball cavity 54 is filled with gas and liquid, and when the volume of the inner ball 50 is minimum, the brush hairs 51 are in the outer ball cavity; when the temperature rises, the volume of the inner sphere 50 is increased, so that the brush hairs 51 extend out of the outer sphere 49; the outer sphere 49 can resist the corrosion of the treatment liquid to avoid corrosion deformation, when the temperature in the inner sphere cavity 54 rises, the liquid is heated, the volume of the gas in the inner sphere cavity 54 becomes large, the elastic ball skin 53 is expanded to be overlapped with the outer sphere 49, and the brush bristles 51 extend out of the outer sphere 49 from the through holes.

Specifically, the outer sphere 49 is made of teflon, the gas filled in the inner sphere 50 is nitrogen, hydrogen or helium, the liquid is water, ether or ethanol, and the sphere support 52 expands after being heated. Along with the temperature rise in the rotary drum, the inner sphere 50 gradually expands, the bristles 51 gradually extend out of the outer sphere 49, when the temperature in the rotary drum is reduced, the volume of the inner sphere 50 is gradually reduced, the bristles 51 gradually retract into the outer sphere 49, the rotary drum sphere 44 correspondingly changes the shape under the temperature change, the leather is mainly used for avoiding the leather winding in the early stage, the leather is in full contact reaction with the treatment liquid, and impurities are brushed in the later stage so as to be suitable for different requirements in each stage.

The liquid in the inner ball cavity 54 occupies 1/3-1/2;

the outer diameter of the outer sphere 49 is 10cm-40 cm. The inner drum cavity 5 is provided with drum balls 44 of various sizes.

Alternatively, as another embodiment, as the temperature increases, the volume of the inner sphere 50 decreases such that the bristles 51 retract from outside the outer sphere 49 into the outer sphere 49; the sphere support 52 is made of scandium trifluoride.

Scandium trifluoride belongs to a negative thermal expansion material, and the volume is reduced at high temperature; the outer sphere 49 can resist corrosion of the treatment liquid to avoid corrosion deformation; in the early stage, the volume of the inner sphere 50 is the largest, the elastic sphere is overlapped with the outer sphere 49 under the support of the sphere support 52, and the brush bristles 51 extend out of the outer sphere 49 from the through hole to brush away impurities on the leather; at the later stage, along with the reaction in the rotary drum, the temperature is gradually increased, the volume of the ball support 52 is gradually reduced after being heated, the elastic ball skin 53 is reduced, and the brush hairs 51 are retracted into the outer ball 49, so that the leather is fully contacted and collided with the outer ball 49 and is soft; the drum balls 44 change their form accordingly under temperature change, primarily for brushing off impurities in the early stage, and for softening the leather after impurities are removed in the later stage, to meet different requirements in each stage.

Optionally, the leather drum device is further provided with a leather fixture 55, at least two pieces of leather are clamped and fixed on the leather fixture 55, and the leather is distributed in parallel at intervals; the leather clamp 55 comprises a first clamping plate 56 and a second clamping plate 57, wherein one end of the leather is clamped and fixed on the first clamping plate 56, and the other end of the leather is clamped and fixed on the second clamping plate 57; after the end parts of the leather are clamped and fixed by the first clamping plate 56 and the second clamping plate 57, when the leather rotates in the inner drum body 3, the leather is not easy to be wound together, the leather is convenient to unfold so as to fully contact with the treatment liquid, and when the leather is used for the leather softening treatment, the first clamping plate 56 and the second clamping plate 57 can play a role of knocking and beating the leather, so that the leather is soft; and after the leather is compressed and fixed by the leather clamp 55, the efficiency of feeding and discharging the leather is improved.

First splint 56 and second splint 57 all include main connecting rod 58 and press from both sides tight pole 59, and main connecting rod 58 is protruding to be equipped with spliced pole 60, press from both sides tight pole 59 and offer with spliced pole 60 assorted connecting hole, the tip of leather has been seted up the through-hole and has been established on spliced pole 60, press from both sides tight pole 59 cover and establish on spliced pole 60, the tip of leather receives the tight fixedly of clamp of two adjacent clamping rods 59.

The connecting column 60 of the main connecting rod 58 penetrates through a through hole at the end part of the leather, the clamping rods 59 are sleeved on the upper side and the lower side of the leather to clamp the leather, and after one piece of leather is clamped and fixed, the other piece of leather is sequentially penetrated upwards or downwards to realize the parallel fixation of multiple layers of leather. The clamping rod 59 not only plays a role in clamping and fixing the leather, but also enables the upper layer leather and the lower layer leather to have a space and not to be attached together.

The leather clamp 55 further comprises a silk screen 61, the silk screen 61 is connected with the first clamping plate 56 and the second clamping plate 57, and one silk screen 61 is arranged between every two adjacent leathers; one end of the wire mesh 61 is fixed to the clamping rod 59 of the first clamping plate 56, and the other end of the wire mesh 61 is fixed to the clamping rod 59 of the second clamping plate 57; the silk screen 61 between the two leathers can not only rub the leather surface, help the leather to remove hair and flesh, help the leather fiber to loosen, but also the removed hair can be attached and accumulated on the silk screen 61 and discharged together with the leather, thus reducing the probability of the suspension of the hair cluster.

Optionally, the mesh 61 is provided with small balls 62, and the surface of the small balls 62 is provided with conical teeth, which is beneficial to improving the friction force with the leather.

The first clamping plate 56 and the second clamping plate 57 are both made of acid and alkali resistant flexible bendable material; when the leather is rotated on the inner drum body 3, the first and

second clamping plates

56 and 57 can be bent, so that the leather can be smoothly turned over and the noise is small when the leather collides with the inner drum body 3.

An air supply assembly is arranged between the outer drum body 2 and the inner drum body 3, the air supply assembly is connected with the outer drum body 2, and the air supply assembly faces the inner drum body 3 and ventilates inwards; air is supplied to the inner drum body 3 through the air supply assembly, so that the air flow in the rotary drum is promoted, meanwhile, the leather is prevented from being attached to the inner wall of the inner drum body 3, and the mutual collision and unfolding of the leather are promoted.

The air supply assembly comprises an air supply main 63 and a plurality of groups of air supply supports 64, each air supply support 64 comprises a guide pipe 65 and a plurality of air outlet pipes 66, the air outlet pipes 66 extend to the guide pipes 65 at intervals, the guide pipes 65 are connected with the air supply main 63, and the air supply main 63 is connected with air inlet pipes 67 outside the rotary drum; the guide pipe 65 extends along the axial direction of the inner drum body 3, and the air outlet pipe 66 is vertical to the inner drum body 3; the air inlet pipe 67 supplies air to the air supply main pipe 63, the air supply main pipe 63 conveys the air to the flow guide pipe 65, the flow guide pipe 65 divides the air to each air outlet pipe 66, the air is blown to the inner drum body 3 through each air outlet pipe 66, and the air can diffuse into the inner drum cavity 5 through the group holes 7 of the inner drum body 3, so that the air inlet to the inner drum body 3 is realized.

The cross section of the inner drum body 3 is polygonal, the air outlet pipe 66 comprises a fixed pipe 68, an extension pipe 69 and a spring 48, the extension pipe 69 is connected with the fixed pipe 68 in an inserting way, the extension pipe 69 is provided with an air outlet channel 70, the inner end of the extension pipe 69 is connected with the fixed pipe 68 through the spring 48, and the outer end of the extension pipe 69 is abutted against the inner drum body 3; since the cross section of the inner drum body 3 is polygonal, the extension tube 69 can be extended and retracted from the fixed tube 68 under the connection of the spring 48, so that the extension tube 69 can always abut against the inner drum body 3 to deliver gas to the inner drum cavity 5 when the inner drum body 3 rotates.

Alternatively, the air supply assembly surrounds the inner drum 3; the gas is blown to the inner drum 3 from a plurality of directions, and the gas supply part at the bottom is immersed in the treatment liquid, so that the treatment liquid is bubbled during gas supply, and the contact between the treatment liquid and the leather is promoted.

Optionally, the air supply assembly is positioned above the axis of the inner drum body 3; the air supply component blows air to the inner drum body 3 from top to bottom, and is positioned above the liquid level.

The end part of the air outlet pipe 66 is provided with an air outlet 71 facing the inner drum body 3, and the body of the air outlet pipe 66 is provided with a plurality of air holes 72; the air hole 72 is formed in the extension tube 69, and the air hole 72 is communicated with the air outlet channel 70; the gas in the gas outlet channel 70 acts on the inner drum 3 mostly through the gas outlet 71, and a small part of the gas diffuses in the outer drum cavity 6 through the gas holes 72.

The top of the outer drum body 2 is provided with an exhaust pipe 73, the exhaust pipe 73 is communicated with the outer drum cavity 6 of the outer drum body 2, and the exhaust pipe 73 discharges the exhaust gas in the drum outwards.

The air supply assembly is used for heating or radiating the rotary drum body, and both the radiation and the heating can be realized by the air supply assembly, so that the structure of the rotary drum is simplified.

An air supply pipeline is arranged outside the rotary drum body and comprises a first air channel 74, a second air channel 75 and a main air channel 76, the main air channel 76 is connected with the air supply pipe 67, a mixing chamber 77, a fan 78 and a flow regulating valve 79 are sequentially arranged on the main air channel 76, the first air channel 74 and the second air channel 75 are respectively connected with the mixing chamber 77, the first air channel 74 is provided with the fan 78, a heating chamber 80 and the flow regulating valve 79, an electric heating plate 82 is arranged in the heating chamber 80, and an electric cabinet 83 is arranged on the heating chamber 80; the second air path 75 is provided with a blower 78 and a flow regulating valve 79.

The hot gas supply is realized through the heating chamber 80 on the first gas path 74, the normal temperature gas is supplied to the second gas path 75, the hot gas of first supply and the normal temperature gas that the second gas path 75 supplied can be mixed in the mixing chamber 77, and adjust the supply proportion of hot gas and normal temperature gas through flow control valve 79 according to the demand to gas temperature, when needing to heat the inner drum cavity 5, first gas path 74 is opened, the selectivity of second gas path 75 is opened, hot gas is being sent into the rotary drum after mixing in the mixing chamber 77, and do not directly heat in the rotary drum, make the interior drum body 3 heating temperature be convenient for control and avoid scalding the leather. When heat dissipation needs to be performed on the inner drum cavity 5, only the second air path 75 is opened, and the waste heat and the waste gas in the rotary drum are discharged outwards by introducing normal-temperature gas.

The air supply pipeline also comprises a third air pipeline 84, the third air pipeline 84 is connected with the mixing chamber 77, the third air pipeline 84 is provided with a fan 78 and a flow regulating valve 79, and the exhaust pipe 73 of the outer drum body 2 is connected with the fan 78 of the third air pipeline 84; after the fan 78 of the third air path 84 sucks the waste heat and waste gas in the rotary drum through the exhaust pipe 73, the waste heat and waste gas is led to the mixing chamber 77, so that the waste heat and waste gas can be recycled, and the utilization rate of energy is improved.

Mixing chamber 77 has two exports, and an exit linkage is total gas circuit 76, and another exit linkage condenser 85, condenser 85 connect and retrieve liquid bucket 86, and when needing to admit air in the rotary drum, mixing chamber 77 is the same with total gas circuit 76, when need not admit air in the rotary drum, and mixing chamber 77 links to each other with condenser 85, and the exhaust waste heat waste gas of rotary drum is let in condenser 85, liquefies after the condensation, and the comdenstion water can recycle to leather washs.

The bottom of the outer drum body 2 is provided with a water outlet which is connected with a water discharge pipeline 87, the water discharge pipeline 87 is sequentially provided with a water discharge pump 88, a filter vat 89 and a return pipe 90, the water discharge pump 88 is connected with the water outlet and the filter vat 89, and the return pipe 90 is connected with the filter vat 89 and the liquid recovery vat 86; the waste liquid is pumped to the filter vat 89 by the drain pump 88, after being purified and filtered by the filter vat 89, is discharged into the recovery liquid bucket 86 through the return pipe 90 and is used for leather washing again, realizes cyclic utilization.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the base 1 is used more herein; an outer drum body 2; an inner drum body 3; a rotating shaft 4; an inner drum cavity 5; an outer drum cavity 6; a group of holes 7; a motor 8; a reduction gearbox 9; a belt 10; an outer door 11; an inner door 12; a temperature sensor 13; a water pump 14; an outer water pipe 15; an inner water pipe 16; a rotary nozzle 17; a liquid storage barrel 18; an outer water main 19; an outer water leg 20; a water valve main switch 21; a water tap switch 22; an upper water inlet 23; a side inlet port 24; an upper inner water pipe 25; a side inner water tube 26; a head connector 27; a water inlet rotating shaft 28; a rotating blade 29; a water inlet flow passage 30; a liquid ejection flow path 31; a lower spray surface 32; a lower liquid ejection port 33; pressure bearing face 34; side spray ports 35; a liquid collecting tank 36; a flap 37; a water outlet joint 38; a coupling nut 39; a connecting buckle 40; a card slot 41; a buckle 42; a drum ball 44; a support plate 45; an elastic member 46; an outer sphere 49; an inner sphere 50; bristles 51; a sphere support 52; an elastic ball cover 53; an inner ball cavity 54; a leather clamp 55; a first clamping plate 56; a second clamping plate 57; a main connecting rod 58; a clamping lever 59; a connecting column 60; a wire mesh 61; a bead 62; a gas supply main 63; a gas supply bracket 64; a draft tube 65; an outlet duct 66; an intake pipe 67; a fixed tube 68; a bellows 69; an air outlet passage 70; an air outlet 71; an air hole 72; an exhaust pipe 73; a first air passage 74; a second gas path 75; a main gas path 76; a mixing chamber 77; a fan 78; a flow rate regulating valve 79; a heating chamber 80; a feed port 81; an electrical heating plate 82; an electric cabinet 83; a third air passage 84; a condenser 85; a recycling liquid tank 86; a drain line 87; a drain pump 88; a filter vat 89; return conduit 90, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A multi-purpose leather drum device comprises a drum body, a base and a driving mechanism, wherein the drum body is arranged on the base; an outer drum cavity is formed between the outer drum body and the inner drum body, and the inner drum body is provided with a group of holes; the leather drum device is provided with a liquid inlet component, an air supply component and an air supply pipeline, wherein the liquid inlet component is communicated with an outer drum cavity, the air supply pipeline is arranged outside the drum body, and the air supply component is arranged in the outer drum cavity and connected with the air supply pipeline; the cross section of the inner drum body is octagonal, each surface of the inner drum body is provided with a support plate, the support plates are connected with the inner wall of the inner drum body through elastic pieces, and the support plates are provided with liquid holes.

2. The multipurpose leather drum apparatus of claim 1, wherein the inner drum has a polygonal cross-section.

3. The multi-purpose leather drum device according to claim 1 or 2, wherein the liquid inlet component comprises a water pump, an outer water pipe, an inner water pipe and a rotary nozzle, the water pump and the outer water pipe are arranged outside the drum, the inner water pipe and the rotary nozzle are arranged in the outer drum cavity, the inner water pipe is fixedly connected with the outer drum body, the rotary nozzle is rotatably connected with a water outlet connector of the inner water pipe, a liquid storage barrel is arranged outside the drum, the water pump is connected with the liquid storage barrel and the outer water pipe, and the outer water pipe is communicated with the outer drum body and is connected with the inner water pipe.

4. The multi-purpose leather drum device according to claim 3, wherein the rotary nozzle is connected with the inner water pipe in a self-rotating manner through a nozzle connecting piece; the rotary nozzle comprises a water inlet rotating shaft and a plurality of rotating blades, the rotating blades vertically extend to the water inlet rotating shaft, the water inlet rotating shaft is provided with a water inlet flow passage, the rotating blades are provided with liquid spraying flow passages, and the water inlet flow passages are communicated with the inner water pipe and the liquid spraying flow passages.

5. The multi-purpose leather drum apparatus of claim 4, wherein the bottom surface of the rotating blade is a lower liquid spraying surface facing the inner drum, the lower liquid spraying surface having a plurality of lower liquid spraying ports; one side surface of the rotating blade is a side liquid spraying surface, the other side surface of the rotating blade is a pressure bearing surface, the side liquid spraying surface is provided with side liquid spraying ports, the side liquid spraying ports face to the pressure bearing surface of the rotating blade on the front side of the side liquid spraying ports, and the number of the side liquid spraying ports is gradually reduced along the rotation direction of the rotating nozzle.

6. The multi-purpose leather drum apparatus of claim 1 or 2, wherein the air supply assembly comprises an air supply main and a plurality of sets of air supply supports, the air supply supports comprise a guide pipe and a plurality of air outlet pipes, the air outlet pipes extend to the guide pipe at intervals, the guide pipe is connected with the air supply main, and the air supply main is connected with the air inlet pipe outside the drum; the draft tube extends along the axial direction of the inner drum body.

7. The multi-purpose leather drum device according to claim 6, wherein the air outlet pipe comprises a fixed pipe, an extension pipe and a spring, the extension pipe is connected with the fixed pipe in an inserting manner, the extension pipe is provided with an air outlet channel, the inner end of the extension pipe is connected with the fixed pipe through the spring, and the outer end of the extension pipe is abutted against the inner drum body; the top of the outer drum body is provided with an exhaust pipe which is communicated with an outer drum cavity of the outer drum body, and the exhaust pipe discharges the waste gas in the rotary drum outwards.

8. The multi-purpose leather drum device according to claim 1, wherein the air supply pipeline comprises a first air pipeline, a second air pipeline and a total air pipeline, the total air pipeline is connected with the air supply pipeline, a mixing chamber, a fan and a flow regulating valve are sequentially arranged on the total air pipeline, the first air pipeline and the second air pipeline are respectively connected with the mixing chamber, the first air pipeline is provided with the fan, the heating chamber and the flow regulating valve, and the second air pipeline is provided with the fan and the flow regulating valve.

9. The multi-purpose leather drum device according to claim 1, wherein a plurality of drum balls are arranged in the inner drum body; the drum ball and the leather are mixed together and can move in the inner drum body.

10. The multi-purpose leather drum device according to claim 9, wherein the drum ball comprises an outer ball body and an inner ball body, the outer ball body defines an outer ball cavity, the inner ball body is accommodated in the outer ball cavity and has a variable volume, and the outer ball surface of the inner ball body is convexly provided with bristles which can extend out of the outer ball body.