Vacuum permeation device for anhydrous chrome tanned leather
By employing a double-layer sealing structure and a liftable sealing plate in the vacuum permeation device for anhydrous chrome-tanned leather, the problem of the sealed chamber being unable to quickly reach a vacuum level has been solved, achieving rapid vacuuming and improved permeation efficiency.
Patent Information
- Application Number
- CN202520051007.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing vacuum permeation devices for anhydrous chrome-tanned leather require a certain amount of time to reach the required vacuum level inside the sealed chamber, making it impossible to quickly achieve the desired vacuum level.
A double-layered sealing cover and sealing chamber were designed, equipped with a liftable sealing plate and sealing ring. Combined with a vacuum pump and evacuation pipe, it can achieve rapid sealing and vacuuming, enhance the sealing effect, and shorten the vacuuming time.
The design of a double-sealing structure and a liftable sealing plate significantly improves the vacuuming speed of the sealed chamber, enhances work efficiency, and ensures rapid penetration.
Smart Images

Figure CN223723150U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vacuum infiltration technical field, concretely is a kind of waterless chrome tanning leather vacuum infiltration device. BACKGROUND
[0002] Waterless chrome tanning leather refers to a method of using chromium compounds to tan rawhide with little or no water during the leather-making process. Traditionally, the chrome tanning process relies on a large amount of water to help the chrome tanning agent penetrate into the leather fibers and promote the completion of the tanning reaction. However, with the increasing strictness of environmental regulations and the growing awareness of water resource protection, waterless or low-water tanning technology has gradually attracted attention. Waterless chrome tanned leather creates a low-pressure environment through a vacuum infiltration device, making it easier for chrome tanning agents to penetrate into the interior of the leather.
[0003] The existing waterless chrome tanned leather vacuum infiltration device improves the penetration speed by setting stirring, heating and other structures inside the sealed cabin. However, the internal space of the sealed cabin is fixed, and a certain time is needed for vacuuming to reach the required vacuum degree, resulting in the inability of the sealed cabin to quickly reach the required vacuum degree. SUMMARY
[0004] The utility model aims to provide a kind of waterless chrome tanned leather vacuum infiltration device to solve the problem of the above background technology that the waterless chrome tanned leather vacuum infiltration device on the market cannot quickly reach the required vacuum degree when running.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of waterless chrome tanned leather vacuum infiltration device, including vacuum infiltration device main body, the vacuum infiltration device main body is equipped with sealing lid and sealed cabin of sealing cooperation, and sealing lid and sealed cabin are both double-layer structure, and hinged seat is installed between sealing lid and sealed cabin, so that sealing lid can be turned open, the inboard of sealing lid is clamped with sealing plate, and lifting hydraulic cylinder is installed on the upper end of sealing plate, and the inboard of sealing plate is also clamped with sealed cabin, a circle of sealing ring is fastened to the outer circle of sealing plate, and sealing ring is sealed with sealing lid and sealed cabin respectively, vacuum pump is installed above sealing lid, and suction pipe is connected to the air inlet end of vacuum pump, and suction pipe is inserted with sealing plate.
[0006] Preferably, reinforcing limit frame is fixed in the inboard of sealing lid by welding, and reinforcing limit frame is in contact with the upper end of sealing plate, and suction pipe is located between reinforcing limit frame and sealing plate.
[0007] Preferably, the cross section of the sealing ring is U-shaped structure, and the outer side of the upper and lower of the sealing ring is provided with inclined groove.
[0008] Preferably, the sealing cabin double-layer structure is provided with a heating pipe in the interlayer, and a vacuum degree detector is installed through the lowest position of the sealing plate.
[0009] Preferably, a stirring mechanism is installed in the middle position of the bottom of the sealing cabin through a motor, a liquid discharge mechanism is further installed in the bottom of the sealing cabin and communicates with the inside, and support legs are uniformly and fixedly installed on the outside of the bottom of the sealing cabin through welding.
[0010] Preferably, the bottom side of the sealing cabin is inclined, and a support net is clamped on the inside of the sealing cabin, and the middle part of the support net is rotatably inserted into the rotating rod part of the upper end of the stirring mechanism.
[0011] Compared with the prior art, the waterless chrome tanned leather vacuum permeation device has the following beneficial effects: the waterless chrome tanned leather vacuum permeation device is provided with a sealing plate that can be lifted in the sealing cover, so that the sealing effect can be enhanced, the internal space of the sealing cabin can be reduced, the vacuum pumping speed can be improved, the sealing plate can play a locking role, and the use of the vacuum permeation device is facilitated. The waterless chrome tanned leather vacuum permeation device is hingedly fixed with the sealing cabin and the sealing cover, the sealing plate can be tightly clamped with the sealing cover and the sealing cabin, when the sealing plate is located in the sealing cabin, the sealing cover cannot be opened, and a double sealing effect is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a side view of the internal structure of the waterless chrome tanned leather vacuum permeation device.
[0013] Figure 2 It is a schematic diagram of the sealing plate lifting structure of the waterless chrome tanned leather vacuum permeation device.
[0014] Figure 3 It is a plan view of the sealing plate of the waterless chrome tanned leather vacuum permeation device.
[0015] Figure 4 It is a plan view of the sealing cabin of the waterless chrome tanned leather vacuum permeation device.
[0016] In the drawing: 1, vacuum permeation device main body; 2, sealing cover; 201, lifting hydraulic cylinder; 202, sealing ring; 203, reinforcing limiting frame; 204, sealing plate; 3, vacuum pump; 301, air suction pipe; 4, sealing cabin; 401, heating pipe; 402, support leg; 403, liquid discharge mechanism; 5, vacuum degree detector; 6, hinged seat; 7, support net; 8, stirring mechanism. DETAILED DESCRIPTION
[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of anhydrous chrome tanning leather vacuum permeation device, including vacuum permeation device main body 1, vacuum permeation device main body 1 is equipped with sealing cover 2 and sealing cabin 4 of sealing cooperation, and sealing cover 2 and sealing cabin 4 are both double-layer structure, heating tube 401 is installed in the partition of sealing cabin 4 double-layer structure, and vacuum degree detection meter 5 is installed in the lower side of sealing plate 204 lowest position of sealing cabin 4, this structure heating tube 401 and vacuum degree detection meter 5 are all the structure in the existing anhydrous chrome tanning leather vacuum permeation device, heating tube 401 is designed into electric heating structure, can be heated appropriately to chrome tanning agent, and stirring mechanism 8 makes the temperature of chrome tanning agent uniform, and vacuum degree detection meter 5 can monitor vacuum condition in real time, and stirring mechanism 8 is rotatably installed in the middle position of sealing cabin 4 bottom, and sealing cabin 4 bottom is also equipped with drainage mechanism 403 being communicated with inside, and the outside of sealing cabin 4 bottom is uniformly fixed with support leg 402 by welding, this structure sealing cabin 4 can empty chrome tanning agent by drainage mechanism 403, and stirring mechanism 8 is rotatably driven by motor, can make chrome tanning agent mix uniformly, ensure temperature uniform, and accelerate chrome tanning agent flow, improve the speed of chrome tanning agent permeation leather, and hinged seat 6 is installed between sealing cover 2 and sealing cabin 4, so that sealing cover 2 can be turned open, and sealing plate 204 is clamped in the inside of sealing cover 2, and lifting hydraulic cylinder 201 is installed on the upper end of sealing plate 204, and sealing plate 204 is also clamped with the inside of sealing cabin 4, and reinforcing limit frame 203 is fixed in the inside of sealing cover 2 by welding, and reinforcing limit frame 203 is in contact with the upper end of sealing plate 204, and suction pipe 301 is located between reinforcing limit frame 203 and sealing plate 204, this structure can enhance the strength of the inside of sealing cover 2 by reinforcing limit frame 203, and plays the role of ascending limit to sealing plate 204, while providing mounting space for suction pipe 301, and suction pipe 301 is fixed on sealing plate 204, can be synchronously lifted with sealing plate 204, after sealing plate 204 is lowered, can compress the internal space of sealing cabin 4, can effectively shorten the time of vacuumizing under the condition that not affecting the contact of leather and chrome tanning agent, improve work efficiency, and a circle of sealing ring 202 is fastened to the outer ring of sealing plate 204, and sealing ring 202 is sealed with sealing cover 2 and sealing cabin 4 respectively, the section of sealing ring 202 is U-shaped structure, and the outside of upper and lower of sealing ring 202 is provided with inclined groove, this structure can easily clamp sealing ring 202 into sealing cover 2 and sealing cabin 4, when sealing ring 202 is clamped into sealing cover 2, sealing cover 2 can be sealed cabin 4 is opened by rotating through hinged seat 6, and when sealing ring 202 is clamped into sealing cabin 4, sealing cover 2 is locked relative to sealing cabin 4, plays the effect of double sealing, and vacuum pump 3 is installed on sealing cover 2, and vacuum pump 3 is connected with suction pipe 301, and suction pipe 301 is inserted with sealing plate 204,The bottom side of the sealing cabin 4 is inclined, and the sealing cabin 4 is clamped with a supporting net 7, and the middle part of the supporting net 7 is rotationally inserted with the rotating rod part of the upper end of the stirring mechanism 8.
[0019] Working principle: when the waterless chrome leather vacuum permeation device is used, first, the sealing cover 2 is in the open state, the sealing plate 204 is clamped in the sealing cover 2, the drainage mechanism 403 is ensured to be in the closed state, the supporting net 7 is clamped in the sealing cabin 4, then the chrome tanning agent and the leather are respectively put into the sealing cabin 4, and then the stirring mechanism 8 and the heating pipe 401 are started to heat the chrome tanning agent, the stirring mechanism 8 is used to accelerate the flow of the chrome tanning agent and keep the temperature of the chrome tanning agent uniform, then the sealing cover 2 is rotated and closed through the positioning of the hinge seat 6 to realize the sealing treatment of the sealing cabin 4, then the lifting hydraulic cylinder 201 and the vacuum pump 3 are started, the lifting hydraulic cylinder 201 moves the sealing plate 204 downward to be clamped in the sealing cabin 4, the sealing ring 202 plays a sealing reinforcing role, a double sealing effect is formed, at the same time, the vacuum pump 3 performs vacuumizing treatment on the sealing cabin 4 through the air suction pipe 301, the vacuum degree detector 5 monitors the vacuum degree in real time, with the downward movement of the sealing plate 204, the sealing cover 2 is locked, and the internal space of the sealing cabin 4 is compressed, so that the vacuumizing speed is faster, the reinforcing limiting frame 203 provides an installation space for the air suction pipe 301, and the supporting leg 402 provides reliable support for the main body 1 of the vacuum permeation device, so that a series of work is completed.
[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A waterless chrome tanning leather vacuum infiltration device comprising a vacuum infiltration device body (1), characterized in that: The vacuum infiltration device body (1) is provided with a sealing cover (2) and a sealing cabin (4) in sealing cooperation, both of which are double-layer structures, and a hinged seat (6) is installed between the sealing cover (2) and the sealing cabin (4) to enable the sealing cover (2) to be flipped open, the sealing cover (2) is clamped with a sealing plate (204) on the inner side, a lifting hydraulic cylinder (201) is installed on the upper end of the sealing plate (204), and the sealing plate (204) is also clamped and cooperated with the inner side of the sealing cabin (4), a sealing ring (202) is clamped and fastened to the outer circle of the sealing plate (204), and the sealing ring (202) is sealingly cooperated with the sealing cover (2) and the sealing cabin (4) respectively, a vacuum pump (3) is installed above the sealing cover (2), the vacuum pump (3) is connected with a suction pipe (301) at the air inlet end, and the suction pipe (301) is plug-in cooperated with the sealing plate (204).
2. A waterless chrome tanning leather vacuum infiltration apparatus as claimed in claim 1, wherein: The inner side of the sealing cover (2) is fixed with a reinforcing limiting frame (203) by welding, the reinforcing limiting frame (203) is in contact cooperation with the upper end of the sealing plate (204), and the suction pipe (301) is located between the reinforcing limiting frame (203) and the sealing plate (204).
3. A waterless chrome tanning leather vacuum infiltration apparatus as claimed in claim 1, wherein: The cross section of the sealing ring (202) is U-shaped structure, and the outer sides of the upper and lower of the sealing ring (202) are provided with inclined grooves.
4. A waterless chrome tanning leather vacuum infiltration apparatus as claimed in claim 1, wherein: The heating pipe (401) is installed in the partition layer of the double-layer structure of the sealing cabin (4), and the vacuum degree detector (5) is installed through the bottom of the side surface of the sealing cabin (4) below the lowest position of the sealing plate (204).
5. A waterless chrome tanning leather vacuum infiltration apparatus as claimed in claim 1, wherein: The stirring mechanism (8) is installed by motor rotation at the middle position of the bottom of the sealing cabin (4), the liquid discharge mechanism (403) is also installed at the bottom of the sealing cabin (4) and communicates with the inside, and the supporting legs (402) are uniformly fixed by welding on the outer side of the bottom of the sealing cabin (4).
6. A waterless chrome tanning leather vacuum infiltration apparatus as claimed in claim 1, wherein: The bottom side of the sealing cabin (4) is inclined, the supporting net (7) is clamped in the inner side of the sealing cabin (4), and the middle part of the supporting net (7) is plug-in cooperated with the rotating rod part of the upper end of the stirring mechanism (8).