Multi-cavity edge oiling machine

By designing a multi-chamber edge-oiling machine, multi-color gradient coating of leather cutting edges is achieved using partition components and oil supply rollers, solving the problem of single-color edge-oiling in existing technologies and enhancing the creativity and personalization of products.

CN224087140UActive Publication Date: 2026-04-07XIANKE GROUP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Current leather processing methods lack multi-color gradient effects in edge finishing, failing to meet the needs of unique artistic effects or personalized products.

Method used

Design a multi-chamber edge-painting machine, which divides the oil supply chamber into multiple sub-chambers by setting a partition assembly inside the housing, storing edge-painting paint of different colors respectively, and achieving gradient coating by rotating the oil supply roller.

Benefits of technology

It achieves a multi-color gradient effect on the edges of leather pieces, enhancing product creativity and personalization, and is simple to operate and cost-effective.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-cavity edge oiling machine which comprises a shell, a partition plate assembly and an oil supply roller. A mounting cavity is formed in the shell, an oil supply cavity is formed at the bottom of the mounting cavity, and a coating station is formed at the top; the partition plate assembly is arranged in the mounting cavity and comprises a first partition plate, the oil supply cavity is divided into a first sub-cavity and a second sub-cavity by the first partition plate, the first sub-cavity is used for storing first edge painting paint, and the second sub-cavity is used for storing second edge painting paint; the two ends of the connecting shaft are rotationally connected with the shell; an oil supply surface is formed in the circumferential direction of the oil supply roller and is communicated with the oil supply cavity and the coating station; and through rotation of the oil supply roller, the first edge painting coating and the second edge painting coating are coated on the edge of the leather cutting piece through the oil supply surface. According to the utility model, the production of the gradient oil edge can be met, so that the product has more creative and personalized effects.
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Description

TECHNICAL FIELD

[0001] The utility model relates to leather processing technical field, concretely relates to a multi-chamber oil edge machine. BACKGROUND

[0002] In leather processing production industry, after leather edge cutting, in order to the edge of leather not to drop hair crack, need to carry out oiling solidification treatment to the edge of leather, play the role of protection and decoration leather product's edge, make the edge more smooth, and enhance its durability.

[0003] In most cases, oil edge treatment adopts single color edge oil, and common brown, red, black, colorless (transparent) etc., mainly for keeping the neatness of edge, and the style is relatively single, cannot satisfy the embodiment of unique artistic effect or unique individual product.

[0004] Therefore, a multi-chamber oil edge machine is needed, which can meet the production of gradient oil edge, make the product more creative and personalized effect. UTILITY MODEL CONTENT

[0005] In order to overcome the deficiency of prior art, the utility model provides a multi-chamber oil edge machine, which can meet the production of gradient oil edge, make the product more creative and personalized effect.

[0006] The utility model discloses the purpose is realized by the following technical scheme:

[0007] A multi-chamber oil edge machine, characterized by comprising a shell, a partition plate assembly and an oil supply roller;

[0008] The shell is formed with an installation cavity in it, the installation cavity is formed with an oil supply cavity at the bottom and a coating station at the top;

[0009] The partition plate assembly is arranged in the installation cavity, and the partition plate assembly comprises a first partition plate, which divides the oil supply cavity into a first sub-cavity and a second sub-cavity, the first sub-cavity is used for storing a first oil edge coating, and the second sub-cavity is used for storing a second oil edge coating;

[0010] The oil supply roller has a connecting shaft, and the two ends of the connecting shaft are rotatably connected with the shell; the oil supply roller is formed with an oil supply surface in the circumferential direction, and the oil supply surface is connected with the oil supply cavity and the coating station; by rotating the oil supply roller, the first oil edge coating and the second oil edge coating are coated on the edge of the leather cutting piece by the oil supply surface.

[0011] In an alternative embodiment, the shell comprises a bottom shell and a top shell; the oil supply cavity is formed in the bottom shell, and the inner walls of the opposite sides of the bottom shell are each formed with a connecting clamping groove; the two end edges of the first partition plate are each formed with a connecting clamping block, and the first partition plate is detachably clamped in the oil supply cavity by the connecting clamping blocks and the connecting clamping grooves.

[0012] In an alternative embodiment, the partition plate assembly further comprises a second partition plate and a third partition plate, and the first partition plate, the second partition plate and the third partition plate divide the oil supply cavity into a first sub-cavity, a second sub-cavity, a third sub-cavity and a fourth sub-cavity.

[0013] In an alternative embodiment, the partition plate assembly further comprises a partition plate, and the partition plate and the first partition plate are connected by a tongue-and-groove joint; the two ends of the partition plate are clamped to the bottom shell, and the bottom edge of the partition plate and the bottom shell form an oil passing gap; the oil supply cavity is divided into an oil injection area and an oil supply area on the two sides of the partition plate;

[0014] The thicknesses of the first partition plate and the partition plate are each 1.6 mm.

[0015] In an alternative embodiment, the first partition plate is formed with an arc-shaped groove, and the arc-shaped groove is arranged in the oil supply area and cooperates with the oil supply surface of the oil supply roller in a gap manner.

[0016] In an alternative embodiment, the shell further comprises a cover, and the cover covers the bottom shell so as to separate the oil supply cavity from the coating station.

[0017] In an alternative embodiment, the cover comprises a front cover and a rear cover; the front cover covers the oil supply area, and the rear cover covers the oil injection area.

[0018] The bottom shell is fixed with a first magnetic member at the top, and the front cover is fixed with a second magnetic member at the bottom; the first magnetic member and the second magnetic member are magnetically attracted to each other, thereby connecting the front cover and the bottom shell;

[0019] The bottom shell is provided with a plurality of positioning grooves at the edge, and the front cover is formed with a plurality of positioning blocks at the bottom; the positioning blocks and the positioning grooves are adapted to each other.

[0020] In an alternative embodiment, the front cover and the rear cover are connected by a hinge shaft, so that the rear cover can be flipped relative to the bottom shell to open the top of the oil injection area.

[0021] The front cover is provided with an oil supply groove, and the top of the oil supply roller extends out through the oil supply groove; the oil supply groove has an oil scraping edge, and the oil scraping edge and the oil supply surface of the oil supply roller form an oil scraping gap.

[0022] An optional embodiment further comprises an edge oil box for injecting edge paint into the oil supply cavity.

[0023] The edge oil box is externally provided with a handle and internally formed with an oil storage groove, the first oil box partition plate is fixed in the oil storage groove, and the oil storage groove is divided into a first sub-tank and a second sub-tank by the first oil box partition plate; the first sub-tank and the second sub-tank are both provided with scale lines.

[0024] The first sub-tank is provided with a first oil injection port at the top, and the second sub-tank is provided with a second oil injection port at the top.

[0025] In an optional embodiment, the first oil injection port is a triangular pyramid, and a downward inclined surface is formed at the top of the first oil injection port.

[0026] Compared with the prior art, the utility model has the beneficial effects that:

[0027] The multi-chamber edge oiling machine of the utility model is provided with a partition plate assembly in the installation cavity, the oil supply cavity is divided into a plurality of sub-chambers including a first sub-chamber and a second sub-chamber, the first sub-chamber and the second sub-chamber are respectively injected with first edge paint and second edge paint, then the leather piece is passed through the coating station at a certain inclination angle, the edge of the leather piece is in contact with the oil supply surface, so as to drive the rotation of the oil supply roller, the rotating oil supply roller carries the first edge paint and the second edge paint in the first sub-chamber and the second sub-chamber to the coating station at the same time, and the first edge paint and the second edge paint are coated on the edge of the leather piece, so that a gradual edge is formed on the edge of the leather piece, the product has more creative and personalized effects, the multi-chamber edge oiling machine has a simple structure, the gradual effect of multi-color flash is formed on the edge of the leather piece after one-time coating, and the operation is convenient and cost-saving. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a structural schematic view of the multi-chamber edge oiling machine of embodiment 1;

[0029] Figure 2 It is a structural schematic view of the multi-chamber edge oiling machine of embodiment 1;

[0030] Figure 3 It is a structural schematic view of the oil supply cavity of the multi-chamber edge oiling machine of embodiment 1;

[0031] Figure 4 It is a connection structure schematic view of the partition plate assembly and the bottom shell of the multi-chamber edge oiling machine of embodiment 1;

[0032] Figure 5 It is a structural schematic view of the bottom shell of the multi-chamber edge oiling machine of embodiment 1;

[0033] Figure 6Structure diagram of the first partition plate of the multi-chamber oiling machine of Example 1;

[0034] Figure 7 Structure diagram of the partition plate of the multi-chamber oiling machine of Example 1;

[0035] Figure 8 Structure diagram of the cover of the multi-chamber oiling machine of Example 1;

[0036] Figure 9 Structure diagram of the edge oil box of the multi-chamber oiling machine of Example 1;

[0037] Figure 10 Structure diagram of the edge oil box of the multi-chamber oiling machine of Example 1 from another angle.

[0038] In the figure: 10, housing; 111, first sub-chamber; 112, second sub-chamber; 113, third sub-chamber; 114, fourth sub-chamber; 115, oil passing gap; 116, oil injection area; 117, oil supply area; 12, bottom shell; 121, connecting clamping groove; 122, first magnetic part; 123, positioning groove; 13, top shell; 20, partition plate assembly; 21, first partition plate; 211, connecting clamping block; 212, arc-shaped groove; 22, second partition plate; 23, third partition plate; 24, partition plate; 30, oil supply roller; 31, oil supply surface; 40, cover; 41, front cover; 411, second magnetic part; 412, positioning block; 413, oil supply groove; 414, oil scraping edge; 42, rear cover; 43, hinged shaft; 50, edge oil box; 51, handle; 52, first oil box partition plate; 53, second oil box partition plate; 54, third oil box partition plate; 55, first sub-groove; 551, first oil injection port; 552, inclined surface; 56, second sub-groove; 561, second oil injection port; 57, third sub-groove; 571, third oil injection port; 58, fourth sub-groove; 581, fourth oil injection port; 59, scale. DETAILED DESCRIPTION

[0039] The utility model will be further described below in combination with the drawings and specific embodiments, it is to be noted that, without conflict, the following described embodiments or between the technical features can be combined to form a new embodiment. Except for the special description, the materials and equipment adopted in the embodiment can be purchased from the market. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the application, and cannot be understood as a limitation on the application.

[0040] In the description of the application, it needs to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In the description of the application, the meaning of "a plurality of" is two or more, unless otherwise specifically specified and limited.

[0041] In the description of the application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "connected", "communicated", "connected" should be understood in a broad sense, for example, it can be fixedly connected, it can be connected through an intermediate medium, it can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0042] The terms "first", "second", and the like in the specification and claims of the application and the above drawings are used to distinguish similar objects, and do not necessarily describe a particular order or sequence. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0043] Embodiment 1:

[0044] Please refer to Figures 1-10 The embodiment provides a multi-chamber oil edge machine, which comprises a shell 10, and a partition plate assembly 20 and an oil supply roller 30 installed inside the shell 10.

[0045] The shell 10 comprises a bottom shell 12 and a top shell 13 buckled to each other, and an installation cavity is formed in the shell 10, which provides a mounting base for other parts; wherein the bottom of the installation cavity forms an oil supply cavity, that is, the oil supply cavity is formed in the bottom shell 12, and the top forms a coating station.

[0046] The partition plate assembly 20 is arranged in the installation cavity, and the partition plate assembly 20 is used to divide the oil supply cavity into a plurality of independent sub-cavities, each of which is used to store different oil edge coating; specifically, the partition plate assembly 20 comprises a first partition plate 21, the first partition plate 21 divides the oil supply cavity into a first sub-cavity 111 and a second sub-cavity 112, the first sub-cavity 111 is used to store the first oil edge coating, and the second sub-cavity 112 is used to store the second oil edge coating;

[0047] The oil supply roller 30 has a connecting shaft, the top edge of the bottom shell 12 has a bearing groove adapted to the connecting shaft, and the oil supply roller 30 is rotationally connected to the shell 10 by fitting the two ends of the connecting shaft into the bearing grooves; the oil supply roller 30 is circumferentially formed with an oil supply surface 31, which communicates the oil supply cavity with the coating station, and a plurality of ribs are arranged on the oil supply surface 31, which are used to carry the oil edge coating in the oil supply cavity to the coating station.

[0048] Based on the above structure, in use, the first oil edge coating and the second oil edge coating are respectively injected into the first sub-cavity 111 and the second sub-cavity 112; the leather piece is passed through the coating station at a certain inclination angle, the edge of the leather piece is in contact with the oil supply surface 31, thereby driving the oil supply roller 30 to rotate, and the rotating oil supply roller 30 carries the first oil edge coating and the second oil edge coating in the first sub-cavity 111 and the second sub-cavity 112 to the coating station at the same time, and coats them on the edge of the leather piece, thereby forming a gradient oil edge on the edge of the leather piece, and making the product more creative and personalized; the multi-cavity oil edge machine of the embodiment has a simple structure, the edge of the leather piece can form a gradient effect after one coating, is easy to operate, and saves cost.

[0049] The inner walls of the opposite sides of the bottom shell 12 are each formed with a connecting clamping groove 121, the two end edges of the first partition plate 21 are each formed with a connecting clamping block 211, the first partition plate 21 is detachably clamped in the oil supply cavity by matching the connecting clamping block 211 with the connecting clamping groove 121. In use, the first partition plate 21 can be assembled or disassembled according to requirements, to realize switching of the oil supply cavity from a single chamber to multiple chambers, and has high practicability.

[0050] Further, the partition plate assembly 20 further includes a second partition plate 22 and a third partition plate 23, the second partition plate 22 and the third partition plate 23 have the same structure as the first partition plate 21, and are detachably clamped in the oil supply cavity, and in use, the second partition plate 22 and the third partition plate 23 are assembled or disassembled according to requirements, to switch the oil supply cavity between three chambers and four chambers.

[0051] The inner walls of the opposite sides of the bottom shell 12 are each formed with a plurality of groups of connecting clamping grooves 121, the first partition plate 21, the second partition plate 22 and the third partition plate 23 are connected into different groups of connecting clamping grooves 121, to divide the oil supply cavity into three chambers or four chambers; in the embodiment, the oil supply cavity is divided into a first sub-cavity 111, a second sub-cavity 112, a third sub-cavity 113 and a fourth sub-cavity 114.

[0052] In other embodiments, more partition plates, such as a fifth partition plate, a sixth partition plate, and even more, can be arranged to divide the oil supply cavity into more chambers to achieve the multi-color gradient color-changing edge oil effect, which all belong to the adaptive adjustment of the embodiment and belong to the protection scope of the present application.

[0053] Further, the partition plate assembly 20 further comprises a partition plate 24, which is connected to the first partition plate 21 through a tongue-and-groove joint; the two ends of the partition plate 24 are clamped to the bottom shell 12, and the bottom edge of the partition plate 24 forms an oil gap 115 with the bottom shell 12; the oil supply cavity forms an oil injection area 116 and an oil application area 117 on both sides of the partition plate 24; that is, the oil injection area 116 and the oil application area 117 can be connected through the oil gap 115; the oil injection area 116 is used for injecting new edge oil paint, and the oil application area 117 is used for applying edge oil paint to the leather piece; during the transportation of different edge oil paints by the oil supply roller 30 in the oil application area 117, the two kinds of edge oil paints in the boundary area will be mixed to form a transition color; by arranging the partition plate 24, the mixed paint can be prevented from flowing back to the oil injection area 116, which is beneficial to maintaining the single color of the edge oil paint in the oil injection area 116.

[0054] The thicknesses of the first partition plate 21, the second partition plate 22, the third partition plate 23, and the partition plate 24 are all 1.6 mm; tests show that the 1.6 mm partition gap can reduce the phenomenon of transition mixed oil, which is beneficial to forming a better gradient effect.

[0055] Specifically, the first partition plate 21 is formed with an arc-shaped groove 212, which is arranged in the oil application area 117 and gap-fitted with the oil supply surface 31 of the oil supply roller 30. The gap fitting enables the oil supply roller 30 to rotate more smoothly while providing a mixed oil space for gradient color.

[0056] The multi-chamber edge oil machine of the embodiment further comprises a cover body 40, which covers the bottom shell 12 to separate the oil supply cavity from the coating station.

[0057] Wherein the cover 40 comprises a front cover 41 and a rear cover 42; the front cover 41 covers the oiling area 117, and the rear cover 42 covers the oil injection area 116; the first magnetic member 122 is fixed on the top of the bottom shell 12; the second magnetic member 411 is fixed on the bottom of the front cover 41; the first magnetic member 122 and the second magnetic member 411 are magnetically attracted, thereby connecting the front cover 41 and the bottom shell 12; the edge of the bottom shell 12 is provided with a plurality of positioning grooves 123; the bottom of the front cover 41 is formed with a plurality of positioning blocks 412; the positioning blocks 412 are matched with the positioning grooves 123. Through the magnetic attraction of the first magnetic member 122 and the second magnetic member 411, and the cooperation of the positioning blocks 412 and the positioning grooves 123, the cover 40 is quickly and accurately positioned on the bottom shell 12.

[0058] The front cover 41 and the rear cover 42 are connected through the hinge shaft 43, so that the rear cover 42 can be flipped relative to the bottom shell 12 to open the top of the oil injection area 116, thereby facilitating the addition of edge oil paint.

[0059] The front cover 41 is provided with an oil supply groove 413, and the top of the oil supply roller 30 extends through the oil supply groove 413; the oil supply groove 413 has an oil scraping edge 414, and the oil scraping edge 414 and the oil supply surface 31 of the oil supply roller 30 form an oil scraping gap. In use, the oil supply roller 30 carries the edge oil paint through the oil supply surface 31 through the oil scraping gap, and the oil scraping edge 414 scrapes off the excess edge oil paint on the oil supply surface 31, forming a uniform thickness of the edge oil paint layer to coat the leather edge, improving the edge oil coating quality.

[0060] The multi-chamber edge oil machine of the embodiment is also provided with a special edge oil box 50, which is used to inject edge oil paint into the oil supply chamber;

[0061] The edge oil box 50 is provided with a handle 51 on the outside, and an oil storage groove is formed on the inside, a plurality of oil box partitions are fixed in the oil storage groove, and the oil storage groove is divided into a plurality of sub-chambers by the oil box partitions, and the number of the sub-chambers is consistent with the number of the sub-chambers in the oil supply chamber; in this way, different edge oil paints can be pre-stored in each sub-chamber of the edge oil box 50, and the oil injection process of multiple edge oil paints can be completed at one time during use, greatly improving the oil injection efficiency and quality.

[0062] Specifically, the edge oil box 50 of the embodiment is provided with a first oil box partition 52, a second oil box partition 53 and a third oil box partition 54, and the first oil box partition 52, the second oil box partition 53 and the third oil box partition 54 divide the oil storage groove into a first sub-chamber 55, a second sub-chamber 56, a third sub-chamber 57 and a fourth sub-chamber 58. Each sub-chamber of the embodiment is provided with a scale line 59, which facilitates accurate control of the injection amount of edge oil paint.

[0063] The first sub-tank 55 is provided with a first oil inlet 551 at the top, the second sub-tank 56 is provided with a second oil inlet 561 at the top, the third sub-tank 57 is provided with a third oil inlet 571 at the top, and the fourth sub-tank 58 is provided with a fourth oil inlet 581 at the top. The number and position of the oil inlets are matched with the position of the oil supply cavity, which can be understood by those skilled in the art.

[0064] The first oil inlet 551 is in the shape of a triangular pyramid, and a downward inclined surface 552 is formed at the top of the first oil inlet 551. By setting the first oil inlet 551 in the shape of a triangular pyramid, the opening of the oil inlet is greatly increased, and the inclined surface 552 is set at the top, so that the edge paint is gently transitioned and gathered and guided into each sub-cavity of the oil supply cavity, preventing the edge paint between the sub-tanks from overflowing and mixing colors.

[0065] Although certain components and embodiments of the present application have been shown and described, many modifications and changes to the embodiments can be made by those skilled in the art without departing from the scope and spirit of the claims (for example, changes in the size, dimension, structure, shape and proportion of various elements, mounting arrangement, material use, color, orientation, etc.).

[0066] Finally, it should be noted that the above embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and substitutions made by those skilled in the art on the basis of the present application are within the scope of the present application.

Claims

1. A multi-chamber edge-painting machine, characterized in that, Includes housing, baffle assembly, and oil supply roller; An installation cavity is formed inside the housing, an oil supply cavity is formed at the bottom of the installation cavity, and a coating station is formed at the top; The partition assembly is disposed in the mounting cavity. The partition assembly includes a first partition plate, which divides the oil supply cavity into a first sub-cavity and a second sub-cavity. The first sub-cavity is used to store the first edge coating, and the second sub-cavity is used to store the second edge coating. The oil supply roller has a connecting shaft, and the two ends of the connecting shaft are rotatably connected to the housing; the oil supply roller has an oil supply surface formed in the circumference, and the oil supply surface connects the oil supply cavity and the coating station; by rotating the oil supply roller, the first edge coating and the second edge coating are applied to the edge of the leather piece by the oil supply surface.

2. The multi-chamber edge-painting machine according to claim 1, characterized in that, The housing includes a bottom shell and a top shell; the oil supply chamber is formed inside the bottom shell, and the inner walls on both sides of the bottom shell are formed with connecting slots. The edges at both ends of the first partition plate are formed with connecting blocks. The first partition plate is detachably snapped into the oil supply chamber by the cooperation of the connecting blocks and the connecting slots.

3. A multi-chamber edge-painting machine according to claim 2, characterized in that, The partition assembly further includes a second partition plate and a third partition plate, wherein the first partition plate, the second partition plate and the third partition plate divide the oil supply chamber into a first sub-chamber, a second sub-chamber, a third sub-chamber and a fourth sub-chamber.

4. A multi-chamber edge-painting machine according to claim 2, characterized in that, The partition assembly also includes a partition plate, which is spliced ​​with the first partition plate by a tongue and groove joint; both ends of the partition plate are snapped into the bottom shell, and the bottom edge of the partition plate forms an oil passage gap with the bottom shell; the oil supply chamber forms an oil injection area and an oil supply area on both sides of the partition plate respectively. The thickness of the first partition plate and the partition plate is 1.6 mm.

5. A multi-chamber edge-painting machine according to claim 4, characterized in that, An arc-shaped groove is formed on the first partition plate. The arc-shaped groove is disposed in the oiling area and is in clearance fit with the oil supply surface of the oil supply roller.

6. A multi-chamber edge-painting machine according to claim 4, characterized in that, It also includes a cover that fits onto the bottom shell, thereby separating the oil supply chamber from the coating station.

7. A multi-chamber edge-painting machine according to claim 6, characterized in that, The cover includes a front cover and a rear cover; the front cover covers the oiling area, and the rear cover covers the oiling area; A first magnetic component is fixed to the top of the bottom shell; a second magnetic component is fixed to the bottom of the front cover; the first magnetic component and the second magnetic component are magnetically attracted to each other, thereby connecting the front cover and the bottom shell; The bottom shell edge is provided with several positioning grooves; the bottom of the front cover is provided with several positioning blocks; the positioning blocks are adapted to the positioning grooves.

8. A multi-chamber edge-painting machine according to claim 7, characterized in that, The front cover and the rear cover are connected by a hinge shaft, which allows the rear cover to be flipped relative to the bottom shell to open the top of the oil filling area; The front cover has an oil supply groove, and the top of the oil supply roller extends through the oil supply groove; the oil supply groove has an oil scraping edge, and an oil scraping gap is formed between the oil scraping edge and the oil supply surface of the oil supply roller.

9. A multi-chamber edge-painting machine according to claim 1, characterized in that, It also includes an edge oil box, which is used to inject edge oil coating into the oil supply chamber; The side oil box is provided with a handle on the outside and has an oil storage tank inside. A first oil box partition is fixed in the oil storage tank, which divides the oil storage tank into a first sub-slot and a second sub-slot. Both the first sub-slot and the second sub-slot are provided with scale lines. The first sub-slot is provided with a first oil inlet at the top; the second sub-slot is provided with a second oil inlet at the top.

10. A multi-chamber edge-painting machine according to claim 9, characterized in that, The first oil inlet is a triangular pyramid shape, and the top of the first oil inlet has a downward sloping surface.