CN111471810A - Process and equipment for adjusting pH value of leather - Google Patents
Process and equipment for adjusting pH value of leather Download PDFInfo
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- CN111471810A CN111471810A CN202010300961.XA CN202010300961A CN111471810A CN 111471810 A CN111471810 A CN 111471810A CN 202010300961 A CN202010300961 A CN 202010300961A CN 111471810 A CN111471810 A CN 111471810A
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/58—Drying
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
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- General Chemical & Material Sciences (AREA)
- Treatment Of Fiber Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention provides a process and equipment capable of improving the pH value of a finished product sheet body, wherein the process for improving the pH value of a finished product skin body comprises the following steps: s1, processing the raw skin into semi-finished skin; s2, detecting the pH value of the semi-finished leather, performing the next processing procedure when the pH value is qualified, and adjusting the pH value when the pH value is unqualified; s3, clamping the unqualified semi-finished leather by a net clamp, and hanging the net clamp on a hanging rod through a hook; s4, hanging the suspension rod on a first spraying mechanism for water spraying treatment; s5, hanging the hanging rod in an oven and drying for 24 hours at normal temperature; s6, hanging the suspension rod on a second spraying mechanism to perform primary alkaline water spraying treatment; s7, hanging and standing the suspension rod for one hour; s8, hanging the suspension rod on a second spraying mechanism to perform secondary alkaline water spraying treatment; s9, hanging a hanging rod in an oven for drying; s10, carrying out pH value detection on the dried semi-finished leather, and carrying out pH value adjustment on the semi-finished leather with unqualified pH value; s11, processing the qualified semi-finished leather into finished leather; and S12, warehousing and storing.
Description
Technical Field
The invention relates to the technical field of leather, in particular to a process and equipment for adjusting the pH value of leather.
Background
The raw hide is processed by the processes of peeling, glycolysis, pickling, chrome tanning, neutralization, chrome tanning, dyeing, fatting, acid fixation, surface dyeing, drying and the like to form semi-finished hide, and then finished hide is formed by coating engineering; the purpose of pickling is to reduce the pH value of the sheet leather, which is beneficial to the implementation of the chrome tanning in the later period, and the pH value of the pickle liquor is about 1.5; the pH value of the chrome tanning liquid at the initial stage of chrome tanning is lower, generally 2.5-3.5 , , which is beneficial to the penetration of tanning agent into the skin, and the pH value of the tanning liquid is properly increased at the final stage of tanning, and the pH value is about 4.0, so that the tanning agent is favorably combined with the sheet leather; after chrome tanning, acid-base neutralization is carried out to adapt to the subsequent permeation and absorption of dyeing and fat liquoring; the acid fixation is used for further reducing the pH value of the sheet skin so as to facilitate the coloring degree of the dye during subsequent dyeing; after the series of processing is finished, the split leather forms a semi-finished product piece, the pH value of the semi-finished product piece is relatively low, the pH value of the finished product piece is relatively low when the semi-finished product piece is directly processed into the finished product piece, the finished product piece is unqualified when the pH value of the finished product piece is less than 3.5, if the pH value detection and the pH value blending are not carried out on the semi-finished product piece, the subsequent processing is directly carried out, the unqualified rate of the finished product piece is easily increased, and the economic loss of enterprises is caused; the present invention has been made to solve the above problems.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a process and equipment for improving the pH value of finished product slices, which can improve the pH value of the finished product peels and reduce the defective rate of the finished product peels.
In order to solve the technical problems, the invention adopts the technical scheme that the process for improving the pH value of the finished product sheet body comprises the following steps:
s1, processing the raw hide into semi-finished hide;
s2, detecting the pH value of the semi-finished leather by using a pH tester, directly carrying out the next processing procedure on the qualified semi-finished leather with the pH value of more than 3.5, and adjusting the pH value of the unqualified semi-finished leather with the pH value of less than 3.5;
s3, clamping unqualified semi-finished leather by two closed frames of a net clamp with a hook, wherein the two closed frames are provided with clamping grooves for clamping the semi-finished leather, and hanging a plurality of net clamps with the semi-finished leather on hanging holes of a hanging rod through the hook;
s4, hanging the hanging rod with the semi-finished leather on the supporting rod of the first spraying mechanism for water spraying treatment, and fully rewetting and permeating the semi-finished piece;
s5, hanging the hanging rods on which the rewetted semi-finished sheets are hung in an oven, and drying for 24 hours at normal temperature through an air energy dryer;
s6, hanging the leather hanging rod hung with the semi-finished product dried at normal temperature on a supporting rod of a second spraying mechanism for primary alkaline water spraying treatment, and fully permeating alkaline water into the semi-finished product sheet;
s7, hanging and standing the hanging rod hung with the semi-finished leather sprayed with the alkaline water for the first time for one hour;
s8, hanging the hanging rod with the semi-finished leather after standing on a supporting rod of a second spraying mechanism for secondary alkaline water spraying treatment, and fully permeating alkaline water into the semi-finished piece;
s9, hanging the hanging rod hung with the semi-finished leather sprayed with the secondary alkaline water in an oven for drying at the temperature of 50 ℃;
s10, detecting the pH value of the dried semi-finished leather again, carrying out the next processing procedure on the semi-finished leather with the pH value of more than 3.5, and adjusting the pH value of the unqualified semi-finished leather with the pH value of less than 3.5 again;
s11, processing the qualified semi-finished leather into finished leather;
and S12, warehousing and storing.
The further improvement is that: the first spraying mechanism and the second spraying mechanism are the same device, the first spraying mechanism or the second spraying mechanism comprises a liquid storage tank, mounting plates are arranged on two sides of the liquid storage tank, a supporting plate is arranged above the liquid storage tank, a supporting rod used for hanging a first hanging head of the hanging rod is fixedly arranged on the supporting plate, a driving device used for driving the hanging rod to move is arranged on the supporting plate, and a spraying device used for spraying semi-finished leather is arranged on the mounting plate.
The further improvement is that: the driving device comprises a bead chain and two chain wheels, the bead chain is used for hanging a second hanging head of the hanging rod, the chain wheels are respectively arranged above two ends of the supporting rod, the bead chain is wound on the chain wheels, a plurality of grooves used for clamping beads on the bead chain are formed in the chain wheels, a shell is sleeved on the chain wheels, the shell is fixedly arranged on the supporting plate, the chain wheels are rotatably arranged in the shell, two openings for the bead chain to pass through are formed in the shell, a motor used for driving the chain wheels to rotate is arranged on the supporting plate, the shell of the motor is fixedly arranged on the supporting plate, the rotating shaft of the motor is fixedly connected with the chain wheels, and the rotating center of the rotating shaft of the motor coincides with the rotating center of the chain wheels.
The further improvement is that: the spraying device comprises a plurality of spray heads arranged on the mounting plate, a water suction pump used for supplying water for the spray heads is arranged between the spray heads and the liquid storage pool, the water inlet end of the water suction pump is communicated with the liquid storage pool, and the water outlet end of the water suction pump is communicated with the spray heads.
The device for adjusting the pH value of the leather comprises a liquid storage tank, mounting plates are arranged on two sides of the liquid storage tank, a supporting plate is arranged above the liquid storage tank, a supporting rod is fixedly arranged on the supporting plate, a suspension rod can be hung on the supporting rod in a detachable mode, a driving device used for driving the suspension rod to move is arranged on the supporting plate, and a spraying device used for spraying semi-finished leather is arranged on the mounting plates.
The further improvement is that: the suspension rod comprises a connecting rod and suspension hooks arranged at two end parts of the connecting rod, the connecting rod is provided with a plurality of suspension holes, net clamps can be suspended on the suspension holes in a detachable mode, the suspension hooks are arranged at two end parts of the connecting rod respectively, each suspension hook comprises a first suspension head and a second suspension head, the first suspension head is fixedly arranged on the connecting rod, and the second suspension head is fixedly arranged on the first suspension head.
The further improvement is that: the net clamp comprises two closed frames and a hook, a gauze woven in an interweaving mode is arranged in each closed frame, the upper end portions of the closed frames are rotatably connected, a clamping groove used for clamping the lower end portion of the other closed frame is fixedly arranged at the lower end portion of each closed frame, and the hook is fixedly arranged at the upper end portion of the one closed frame.
The further improvement is that: the driving device comprises a bead chain and two chain wheels, the bead chain is used for hanging a second hanging head of the hanging rod, the chain wheels are respectively arranged above two ends of the supporting rod, the bead chain is wound on the chain wheels, a plurality of grooves used for clamping beads on the bead chain are formed in the chain wheels, a shell is sleeved on the chain wheels, the shell is fixedly arranged on the supporting plate, the chain wheels are rotatably arranged in the shell, two openings for the bead chain to pass through are formed in the shell, a motor used for driving the chain wheels to rotate is arranged on the supporting plate, the shell of the motor is fixedly arranged on the supporting plate, the rotating shaft of the motor is fixedly connected with the chain wheels, and the rotating center of the rotating shaft of the motor coincides with the rotating center of the chain wheels.
The further improvement is that: the spraying device comprises a plurality of spray heads arranged on the mounting plate, a water suction pump used for supplying water for the spray heads is arranged between the spray heads and the liquid storage pool, the water inlet end of the water suction pump is communicated with the liquid storage pool, and the water outlet end of the water suction pump is communicated with the spray heads.
By adopting the technical scheme, the invention has the beneficial effects that: the invention adds the procedures of pH value detection on the semi-finished product leather and pH value adjustment of the unqualified semi-finished product leather after detection between the semi-finished product leather processing procedure and the finished product leather processing procedure, thereby ensuring the qualification rate of the finished product leather, ensuring the quality of the finished product leather and reducing the economic loss brought to enterprises because of unqualified products; automatic equipment is integrated in the process of adjusting the pH value of the semi-finished product leather, so that the manual participation is reduced, the labor cost is reduced, and meanwhile, the spraying operation can be simultaneously carried out on a plurality of semi-finished product leathers to increase the processing efficiency; unqualified semi-manufactured goods skin just need not to dismantle after the clamping of net clamp, again dismantle semi-manufactured goods skin from the net clamp and carry out the finished product skin processing after detecting semi-manufactured goods skin and passing through pH value detection qualified, can avoid the extravagant manpower and materials of the repeated clamping of semi-manufactured goods skin, hang the pole simultaneously and can be convenient for operate through a plurality of semi-manufactured goods skins, for example the transport of semi-manufactured goods skin, hang local transfer, and stack etc. in short time of semi-manufactured goods skin, increase the overall efficiency of whole process.
Drawings
FIG. 1 is a schematic front view of a first spraying mechanism or a second spraying mechanism in the process and the apparatus for adjusting the pH of the leather according to the embodiment of the invention;
FIG. 2 is a schematic diagram of a side view of a first spraying mechanism or a second spraying mechanism in the process and apparatus for adjusting the pH of leather according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a first spraying mechanism or a second spraying mechanism in the process and apparatus for adjusting the pH of leather according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a mesh holder in the process and apparatus for adjusting pH of leather according to an embodiment of the present invention;
FIG. 5 is a schematic view of a suspension rod in the process and apparatus for adjusting pH of leather in accordance with an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 1 at A;
FIG. 7 is an enlarged view of a portion of FIG. 2 at B;
FIG. 8 is a schematic structural diagram of a driving device in the first spraying mechanism or the second spraying mechanism in the leather pH value adjusting process and apparatus according to the embodiment of the invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 8, disclosed in the embodiments of the present invention are a leather pH adjusting process and apparatus, wherein the process for increasing the pH of the leather body comprises the following steps:
s1, peeling the raw hide, glycolysis, pickling, chrome tanning, neutralization, chrome tanning, dyeing, fatliquoring, acid fixation, surface dyeing, drying and the like to form semi-finished hide;
s2, detecting the pH value of the semi-finished leather by using a pH tester, directly carrying out the next processing procedure on the qualified semi-finished leather with the pH value of more than 3.5, and adjusting the pH value of the unqualified semi-finished leather with the pH value of less than 3.5;
s3, clamping unqualified semi-finished leather by two closed frames 11 of the net clamp 1 with the hook 12, wherein the two closed frames 11 are provided with clamping grooves 14 for clamping the semi-finished leather, and hanging a plurality of net clamps 1 with the semi-finished leather on hanging holes 22 of the hanging rod 2 through the hook 12; the net clamp 1 comprises two closed frames 11 and a hook 12, wherein a gauze 13 woven in an interweaving mode is arranged in each closed frame 11, the upper end portions of the closed frames 11 are rotatably connected, a clamping groove 14 used for clamping the lower end portion of the other closed frame 11 is fixedly arranged at the lower end portion of one closed frame 11, and the hook 12 is fixedly arranged at the upper end portion of the other closed frame 11; the hanging rod 2 comprises a connecting rod 21, the connecting rod 21 is provided with a plurality of hanging holes 22 for hanging the hooks 12 of the net clamp 1, the two ends of the connecting rod 21 are respectively provided with a hanging hook 23, the hanging hook 23 comprises a first hanging head 231 and a second hanging head 232, the first hanging head 231 is fixedly arranged on the connecting rod 21, and the second hanging head 232 is fixedly arranged on the first hanging head 231; when in use, the net clamp 1 is opened, the semi-finished leather is spread on a sand net, then the net clamp 1 is clamped, and finally the net clamp 1 is hung on the hanging rod 2;
s4, hanging the hanging rod 2 with the semi-finished leather on a supporting rod of a first spraying mechanism for spraying clear water, fully rewetting and permeating the semi-finished piece, and washing the residual acidic liquid on the semi-finished leather;
s5, hanging the hanging rod 2 with the rewetted semi-finished product sheet in an oven, dehumidifying air in the oven through an air energy dryer, and drying the semi-finished product sheet at normal temperature for 24 hours, wherein the air energy dryer is a known product and can be directly purchased and used from the market, and the improvement point of the scheme is not on the air energy dryer, so that the description is omitted;
s6, hanging the leather hanging rod 2 hung with the semi-finished product dried at normal temperature on a supporting rod of a second spraying mechanism for carrying out primary soda water spraying treatment, fully permeating the semi-finished product piece with alkaline water, and neutralizing the acidity of the leather of the semi-finished product by the alkalescence of the soda water;
s7, hanging and standing the hanging rod 2 hung with the semi-finished leather sprayed with the alkaline water for the first time for one hour, and allowing acid-base neutralization reaction for one hour;
s8, hanging the hanging rod with the semi-finished leather after standing on a second spraying mechanism for secondary alkaline water spraying treatment, and fully permeating alkaline water into the semi-finished piece for secondary acid-base neutralization reaction;
s9, hanging the hanging rod 2 hung with the semi-finished leather sprayed with the secondary alkaline water in an oven for heating and drying, wherein the drying temperature is 50 ℃;
s10, carrying out pH value detection on the dried semi-finished product leather again, carrying out the next processing procedure on the semi-finished product leather with the pH value of more than 3.5, and carrying out the pH value adjustment step on the unqualified semi-finished product leather with the pH value of less than 3.5 again;
s11, processing the qualified semi-finished leather into various finished leather according to actual production requirements;
s12, warehousing, drying and storing;
the first spraying mechanism and the second spraying mechanism are pH value adjusting equipment for same leather, the first spraying mechanism or the second spraying mechanism comprises a liquid storage tank 3, clear water or soda water is stored in the liquid storage tank 3, mounting plates 31 are arranged on two sides of the liquid storage tank 3, a support plate 32 is arranged above the liquid storage tank 3, one end of the support plate 32 is fixedly arranged on a wall body, four groups of reinforcing rods 321 used for reinforcing the connection between the support plate 32 and the wall body are arranged between the support plate 32 and the wall body, a support rod 33 used for hanging a first hanging head 231 of the hanging rod 2 is fixedly arranged on the support plate 32, a driving device used for driving the hanging rod 2 to move is arranged on the support plate 32, the driving device comprises a ball chain 41 used for hanging a second hanging head 232 of the hanging rod 2 and two chain wheels 42, the chain wheels 42 are respectively arranged above two end parts of the support rod 33, the bead chain 41 is wound around two of the chain wheels 42, the chain wheels 42 are provided with two grooves 421 for engaging beads on the bead chain 41, the chain wheels 42 are sleeved with a housing 43, the housing 43 is fixedly arranged on the supporting plate 32, the chain wheels 42 are rotatably arranged in the housing 43, the housing 43 is provided with two openings 431 for the bead chain to pass through, the supporting plate 32 is provided with a motor 44 for driving the chain wheels 42 to rotate, the housing 43 of the motor 44 is fixedly arranged on the supporting plate 32, a rotating shaft 441 of the motor 44 passes through the housing 43 and is fixedly connected with the chain wheels 42, a rotating center of the rotating shaft 441 of the motor 44 is overlapped with a rotating center of the chain wheels 42, the rotating shaft of the motor 44 drives the chain wheels 42 to rotate, and the chain wheels rotate to drive the bead chain to move, the ball chain moves to drive the suspension rod 2 suspended on the ball chain to move, and the transmission mode of driving the suspension rod by using the ball chain and the chain wheel is superior to the transmission mode of using the gear chain and the gear, because the gear chain and the gear are greatly abraded in the matching process, and the gear chain becomes loose in the using process, the transmission efficiency is reduced; the mounting plate 31 is provided with a spraying device for spraying semi-finished leather, the spraying device comprises nine spray heads 51 arranged on the mounting plate 31, a water suction pump 52 for supplying water to the spray heads 51 is arranged between the spray heads 51 and the liquid storage tank 3, the water suction pump is a known product and can be purchased and used from the market directly, and the improvement point of the scheme is not on the water suction pump, so that the description is omitted, the water inlet end of the water suction pump 52 is communicated with a water inlet pipe 521, the water inlet end of the water inlet pipe 521 is arranged at the bottom of the liquid storage tank 3 and communicated with the liquid storage tank 3, the water outlet end of the water suction pump 52 is fixedly connected with a water distribution connector (not shown in the figure), the water inlet end of the water distribution connector is communicated with the water outlet end of the water suction pump 52, and the water distribution port of the water distribution connector 522 is connected with the water distribution pipe, the water diversion pipes 522 are respectively communicated with the spray heads 51, the water inlet end of the water suction pump 52 sucks the water in the liquid storage pool 3, the water is released from the water outlet end of the water suction pump 52 and is divided into nine water paths through the water diversion connectors to supply water for the nine spray heads 51, a dropping plate 6 used for receiving the water dropped from the semi-finished leather on the net clamp 1 is obliquely arranged on the right side of the liquid storage pool 3, the lower end of the dropping plate 6 is arranged on the liquid storage pool 3, and the lower end of the other end of the dropping plate 6 is provided with a supporting leg 61.
The use method of the leather pH value adjusting device comprises the steps of manually flatly laying unqualified semi-finished leather detected by a pH tester on a net clamp 1 and fastening, and hanging a hook 12 of the net clamp 1 in a hanging hole 22 on a hanging rod 2; manually hanging a first group of hanging rods 2 on a support rod 33 and a ball chain 41 on the left side of a liquid storage pool 3, hanging a first hanging head 231 of the first group of hanging rods 2 on the support rod 33, hanging a second hanging head 232 on the ball chain 41, driving the ball chain 41 to move by rotating a motor 44, driving the first group of hanging rods 2 to move rightwards by the movement of the ball chain 41, stopping the first group of hanging rods 2 after moving above the middle of the liquid storage pool 3, starting pumping water by a water pump 52 and providing water to a spray head 51, starting spraying liquid to a net clamp 1 clamped with semi-finished leather by the spray head 51, simultaneously manually hanging the second group of hanging rods 2 on the support rod 33 and the ball chain 41 on the left side of the liquid storage pool 3, stopping spraying by the spray head 51 after a while continuing to stay for five minutes above the liquid storage pool 3 for draining excess water on the semi-finished leather, continuously driving the ball chain 41 to move by the motor 44, driving the ball chain 41 to move and driving the first group of hanging rods 2 to move, simultaneously, the second group of hanging rods 2 are driven to move towards the upper part of the center of the liquid storage pool 3 for spraying, the first group of hanging rods 2 continuously drain after moving to the upper part of the dropping plate 6, meanwhile, the third group of hanging rods 2 are manually hung on the supporting rod 33 and the bead chain 41, the first group of hanging rods 2 are manually taken down from the supporting rod 33 and the bead chain 41 before the second group of hanging rods 2 move to the dropping plate 6, the second group of hanging rods 2 continuously drain after spraying and draining are finished, the third group of hanging rods 2 start spraying, the second group of hanging rods 2 are manually taken down from the supporting rod 33 and the bead chain 41 before the third group of hanging rods 2 move to the dropping plate 6, the fourth group of hanging rods 2 are hung on the supporting rod 33 and the bead chain 41, and the operations are repeated all the time.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. The leather pH value adjusting process is characterized in that: the process for improving the pH value of the finished leather body comprises the following steps:
s1, processing the raw hide into semi-finished hide;
s2, detecting the pH value of the semi-finished leather by using a pH tester, directly carrying out the next processing procedure on the qualified semi-finished leather with the pH value of more than 3.5, and adjusting the pH value of the unqualified semi-finished leather with the pH value of less than 3.5;
s3, clamping unqualified semi-finished leather by two closed frames of a net clamp with a hook, wherein the two closed frames are provided with clamping grooves for clamping the semi-finished leather, and hanging a plurality of net clamps with the semi-finished leather on hanging holes of a hanging rod through the hook;
s4, hanging the hanging rod with the semi-finished leather on the supporting rod of the first spraying mechanism for water spraying treatment, and fully rewetting and permeating the semi-finished piece;
s5, hanging the hanging rods on which the rewetted semi-finished sheets are hung in an oven, and drying for 24 hours at normal temperature through an air energy dryer;
s6, hanging the leather hanging rod hung with the semi-finished product dried at normal temperature on a supporting rod of a second spraying mechanism for primary alkaline water spraying treatment, and fully permeating alkaline water into the semi-finished product sheet;
s7, hanging and standing the hanging rod hung with the semi-finished leather sprayed with the alkaline water for the first time for one hour;
s8, hanging the hanging rod with the semi-finished leather after standing on a supporting rod of a second spraying mechanism for secondary alkaline water spraying treatment, and fully permeating alkaline water into the semi-finished piece;
s9, hanging the hanging rod hung with the semi-finished leather sprayed with the secondary alkaline water in an oven for drying at the temperature of 50 ℃;
s10, detecting the pH value of the dried semi-finished leather again, carrying out the next processing procedure on the semi-finished leather with the pH value of more than 3.5, and adjusting the pH value of the unqualified semi-finished leather with the pH value of less than 3.5 again;
s11, processing the qualified semi-finished leather into finished leather;
and S12, warehousing and storing.
2. The leather pH value adjusting process according to claim 1, characterized in that: the first spraying mechanism and the second spraying mechanism are the same device, the first spraying mechanism or the second spraying mechanism comprises a liquid storage tank, mounting plates are arranged on two sides of the liquid storage tank, a supporting plate is arranged above the liquid storage tank, a supporting rod used for hanging a first hanging head of the hanging rod is fixedly arranged on the supporting plate, a driving device used for driving the hanging rod to move is arranged on the supporting plate, and a spraying device used for spraying semi-finished leather is arranged on the mounting plate.
3. The leather pH value adjusting process according to claim 2, characterized in that: the driving device comprises a bead chain and two chain wheels, the bead chain is used for hanging a second hanging head of the hanging rod, the chain wheels are respectively arranged above two ends of the supporting rod, the bead chain is wound on the chain wheels, a plurality of grooves used for clamping beads on the bead chain are formed in the chain wheels, a shell is sleeved on the chain wheels, the shell is fixedly arranged on the supporting plate, the chain wheels are rotatably arranged in the shell, two openings for the bead chain to pass through are formed in the shell, a motor used for driving the chain wheels to rotate is arranged on the supporting plate, the shell of the motor is fixedly arranged on the supporting plate, the rotating shaft of the motor is fixedly connected with the chain wheels, and the rotating center of the rotating shaft of the motor coincides with the rotating center of the chain wheels.
4. The leather pH value adjusting process according to claim 2, characterized in that: the spraying device comprises a plurality of spray heads arranged on the mounting plate, a water suction pump used for supplying water for the spray heads is arranged between the spray heads and the liquid storage pool, the water inlet end of the water suction pump is communicated with the liquid storage pool, and the water outlet end of the water suction pump is communicated with the spray heads.
5. Cladding pH value adjusting equipment which characterized in that: the device comprises a liquid storage tank, mounting plates are arranged on two sides of the liquid storage tank, a supporting plate is arranged above the liquid storage tank, a supporting rod is fixedly arranged on the supporting plate, a suspension rod can be hung on the supporting rod in a detachable mode, a driving device used for driving the suspension rod to move is arranged on the supporting plate, and a spraying device used for spraying semi-finished leather is arranged on the mounting plate.
6. The fur pH value adjusting apparatus according to claim 5, characterized in that: the suspension rod comprises a connecting rod and suspension hooks arranged at two end parts of the connecting rod, the connecting rod is provided with a plurality of suspension holes, net clamps can be suspended on the suspension holes in a detachable mode, the suspension hooks are arranged at two end parts of the connecting rod respectively, each suspension hook comprises a first suspension head and a second suspension head, the first suspension head is fixedly arranged on the connecting rod, and the second suspension head is fixedly arranged on the first suspension head.
7. The fur pH value adjusting apparatus according to claim 6, characterized in that: the net clamp comprises two closed frames and a hook, a gauze woven in an interweaving mode is arranged in each closed frame, the upper end portions of the closed frames are rotatably connected, a clamping groove used for clamping the lower end portion of the other closed frame is fixedly arranged at the lower end portion of each closed frame, and the hook is fixedly arranged at the upper end portion of the one closed frame.
8. The fur pH value adjusting apparatus according to claim 5, characterized in that: the driving device comprises a bead chain and two chain wheels, the bead chain is used for hanging a second hanging head of the hanging rod, the chain wheels are respectively arranged above two ends of the supporting rod, the bead chain is wound on the chain wheels, a plurality of grooves used for clamping beads on the bead chain are formed in the chain wheels, a shell is sleeved on the chain wheels, the shell is fixedly arranged on the supporting plate, the chain wheels are rotatably arranged in the shell, two openings for the bead chain to pass through are formed in the shell, a motor used for driving the chain wheels to rotate is arranged on the supporting plate, the shell of the motor is fixedly arranged on the supporting plate, the rotating shaft of the motor is fixedly connected with the chain wheels, and the rotating center of the rotating shaft of the motor coincides with the rotating center of the chain wheels.
9. The fur pH value adjusting apparatus according to claim 5, characterized in that: the spraying device comprises a plurality of spray heads arranged on the mounting plate, a water suction pump used for supplying water for the spray heads is arranged between the spray heads and the liquid storage pool, the water inlet end of the water suction pump is communicated with the liquid storage pool, and the water outlet end of the water suction pump is communicated with the spray heads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010300961.XA CN111471810A (en) | 2020-04-16 | 2020-04-16 | Process and equipment for adjusting pH value of leather |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010300961.XA CN111471810A (en) | 2020-04-16 | 2020-04-16 | Process and equipment for adjusting pH value of leather |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220165A (en) * | 2020-10-12 | 2021-01-15 | 张苏豫 | Vamp cleaning and drying integrated automatic production device and process for cloth shoe processing |
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Application publication date: 20200731 |