Octagonal rotary drum for improving softness of leather
By designing retractable mounting blocks and extension plates in the octagonal rotary drum, combined with the design of protective frames and fixing screws, the problem of troublesome installation of ball-shaped bumps and inability to replace different shapes of bumps in the prior art is solved, and convenient installation and replacement of hit balls is achieved, suitable for a variety of leather types.
Patent Information
- Application Number
- CN202421544804.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing octagonal drum is troublesome when installing spherical bulges, and the ability to replace different shapes of bulges is limited to its application to different types of leather.
An octagonal drum consisting of mounting blocks, extension plates, hitting balls and telescopic rods is designed. Through the telescopic setting of mounting blocks and extension plates, it is easy to install and replace hit balls, and the design of protective frames and fixing screws ensures the fixing and protection of the mounting blocks.
It realizes convenient installation and replacement of hit balls, suitable for a variety of leather types, improving the flexibility and convenience of equipment.
Smart Images

Figure CN222907936U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of octagonal drums, in particular to an octagonal drum for improving the softness of leather. Background Art
[0002] Drum refers to the rotating part of equipment such as centrifuges, gas flow meters, granulators, and flour mills. It is also called a drum. It is a rotating cylinder in which raw hides are turned during the leather making process (such as for washing, pickling, tanning, dyeing) or in which furs are washed (by turning them together with fine sawdust).
[0003] The patent application publication number CN209537520U discloses a stainless steel octagonal drum for tanning cowhide, including a frame, a drum rotatably arranged on the frame through a shaft, and a driving device for driving the drum to rotate. The drum is provided with an opening, and a cover is provided on the opening. A plurality of spherical protrusions are provided on each inner side surface of the drum except for the opening. A cavity connected to an external air pressure device is provided inside the shaft. A plurality of blades are provided radially extending outside the shaft, and the free end of each blade is wavy along the axial direction. A plurality of through holes connecting the cavity and the inside of the drum are provided on the shaft between two adjacent blades. When installing the spherical protrusions in the above patent, since the spherical protrusions are fixed, it is more troublesome to install them, and it is not possible to replace protrusions of different shapes to apply to more leathers.
[0004] In view of the above-mentioned existing patents, it is necessary to provide an octagonal drum with soft leather enhancement for installing and replacing a hitting ball. Utility Model Content
[0005] In order to overcome the disadvantage that the spherical protrusion is fixedly arranged, which causes trouble in installing it, the utility model provides an octagonal drum for improving the softness of leather.
[0006] The technical scheme of the utility model is: an octagonal drum for improving the softness of leather, comprising an octagonal drum and a switch door, the switch door is rotatably connected to the front side of the octagonal drum, and also comprising a mounting block, a first knocking ball, an extension plate, a second knocking ball, a first telescopic rod, a first spring, a limit frame and a latch rod, a plurality of mounting blocks are horizontally symmetrically placed on the inner side of the octagonal drum, one side of the mounting block is symmetrically provided with first fixing holes, a plurality of first knocking balls are symmetrically installed on the upper part of the mounting block, an extension plate is symmetrically slidably connected in the mounting block, a plurality of second knocking balls are symmetrically installed on the upper part of the extension plate, the first telescopic rod is installed in the extension plate, the telescopic end of the first telescopic rod is fixedly connected to the inner side of the mounting block, a first spring is connected between the inner side of the mounting block and the first telescopic rod, a plurality of limit frames are horizontally symmetrically connected to the inner side of the octagonal drum, a second fixing hole is symmetrically provided on one side of the limit frame, the two second fixing holes are clamped with latch rods, and the latch rod is clamped and matched with the first fixing hole.
[0007] Furthermore, it also includes a connecting block, a connecting plate, a second telescopic rod, a fixed rod and a second spring. The two opposing sides of the two latch rods are connected to a connecting block, a second fixing hole is opened on the connecting block, the inner side of the limit frame is connected to a connecting plate, a second telescopic rod is installed at the lower part of the connecting plate, the telescopic end of the second telescopic rod is connected to the fixed rod, the fixed rod is snap-fitted with the third fixing hole, and a second spring is connected between the lower part of the connecting plate and the upper part of the fixed rod.
[0008] Furthermore, it also includes a protective frame, a mounting plate and a fixing screw. A plurality of second threaded holes are horizontally symmetrically provided on the inner side of the octagonal drum. A plurality of protective frames are evenly spaced on the inner side of the octagonal drum. A mounting plate is symmetrically connected to the outer side of the protective frame. A first threaded hole is provided on the mounting plate. A fixing screw is threadedly connected to the first threaded hole. The fixing screw is threadedly matched with the second threaded hole.
[0009] Furthermore, it also includes a sealing strip, which is symmetrically connected to the outer side of the protective frame and fits the inner side of the octagonal drum.
[0010] Furthermore, the limiting frame is in an inverted shape.
[0011] Furthermore, the number of the fixing screws is not less than fourteen.
[0012] The beneficial effects of the utility model are as follows: 1. Through the telescopic setting of the mounting block and the extension plate, the mounting block can be conveniently placed in the octagonal drum, and then the mounting block is placed in the limit frame to perform limit installation on the mounting block, which is convenient for installing and replacing the first knocking ball and the second knocking ball.
[0013] 2. By installing the protective frame, the fixing position of the mounting block can be protected. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0015] Figure 2 It is a cross-sectional view of the octagonal drum of the utility model.
[0016] Figure 3 For this utility model Figure 2 Enlarged view of point A.
[0017] Figure 4 It is an exploded view of the installation block and the limit frame of the utility model.
[0018] Figure 5 It is a cross-sectional view of the extension plate of the utility model.
[0019] Figure 6 It is an exploded view of the latch rod and the limit frame of the utility model.
[0020] Figure 7 It is an exploded view of the mounting plate and fixing screws of the utility model.
[0021] Figure numbers: 1: octagonal drum, 101: switch door, 2: mounting block, 201: first fixing hole, 3: first knocking ball, 4: extension plate, 5: second knocking ball, 6: first telescopic rod, 7: first spring, 8: limit frame, 9: latch rod, 901: second fixing hole, 10: connecting block, 1001: third fixing hole, 11: connecting plate, 12: second telescopic rod, 13: fixing rod, 14: second spring, 15: protection frame, 16: mounting plate, 1601: first threaded hole, 17: fixing screw, 1701: second threaded hole, 18: sealing strip. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail with reference to the accompanying drawings. It is hereby stated that the directional words such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and are not specific limitations of the utility model.
[0023] Embodiment: An octagonal drum for improving the softness of leather, such as Figure 1-Figure 7As shown, it includes an octagonal drum 1, a switch door 101, a mounting block 2, a first knocking ball 3, an extension plate 4, a second knocking ball 5, a first telescopic rod 6, a first spring 7, a limit frame 8, a latch rod 9, a connecting block 10, a connecting plate 11, a second telescopic rod 12, a fixing rod 13, a second spring 14, a protective frame 15, a mounting plate 16, a fixing screw 17 and a sealing strip 18. The switch door 101 is rotatably connected to the front side of the octagonal drum 1. A plurality of mounting blocks 2 are horizontally and symmetrically arranged on the inner side of the octagonal drum 1. The mounting blocks 2 are used to install the first knocking ball 3. One side of the mounting block 2 is symmetrically provided with a first fixing screw 17. A fixed hole 201 is provided, and a plurality of first knocking balls 3 are symmetrically provided on the upper part of the mounting block 2. An extension plate 4 is symmetrically slidably connected to the mounting block 2. The extension plate 4 is used to install a second knocking ball 5. A plurality of second knocking balls 5 are symmetrically provided on the upper part of the extension plate 4. A first telescopic rod 6 is provided in the extension plate 4. The telescopic end of the first telescopic rod 6 is fixedly connected to the inner side surface of the mounting block 2. A first spring 7 is connected between the inner side surface of the mounting block 2 and the first telescopic rod 6. A plurality of limit frames 8 are symmetrically connected to the inner side surface of the octagonal drum 1 horizontally to limit the mounting block 2. The limit frame 8 is inverted, and one side of the limit frame 8 is symmetrical up and down. A second fixing hole 901 is provided, and a latch rod 9 is clamped in the two second fixing holes 901 for fixing the mounting block 2. The latch rod 9 is clamped and matched with the first fixing hole 201. The two latch rods 9 are connected to a connecting block 10 on the side facing each other. The connecting block 10 is provided with a second fixing hole 901. A connecting plate 11 is connected to the inner side of the limiting frame 8. A second telescopic rod 12 is installed at the lower part of the connecting plate 11. A fixing rod 13 is connected to the telescopic end of the second telescopic rod 12. The fixing rod 13 is clamped and matched with the third fixing hole 1001 for fixing the latch rod 9. A first fixing hole 901 is connected between the lower part of the connecting plate 11 and the upper part of the fixing rod 13. Two springs 14, a plurality of second threaded holes 1701 are horizontally symmetrically provided on the inner side of the octagonal drum 1, a plurality of protective frames 15 are evenly spaced apart on the inner side of the octagonal drum 1, a mounting plate 16 is symmetrically connected to the outer side of the protective frame 15, a first threaded hole 1601 is provided on the mounting plate 16, a fixing screw 17 is threadedly connected to the inner side of the first threaded hole 1601 for fixing the protective frame 15, and the number of the fixing screws 17 is not less than fourteen. The fixing screws 17 are threadedly matched with the second threaded holes 1701, a sealing strip 18 is symmetrically connected to the outer side of the protective frame 15, and the sealing strip 18 is in contact with the inner side of the octagonal drum 1.
[0024] When the device needs to be used, when the striking ball needs to be installed, the user pulls the switch door 101 to rotate and open it. After the switch door 101 is opened, the installation block 2 and the extension plate 4 are placed inside the octagonal drum 1, and then the two extension plates 4 are pulled inward along the installation block 2. The movement of the two extension plates 4 drives the second striking ball 5 to move inward. During the movement of the extension plate 4, the extension plate 4 drives the first telescopic rod 6 to move inward. During the movement of the first telescopic rod 6, it expands and contracts inward, so that the first spring 7 is compressed. When the extension plate 4 moves to a suitable position, the installation block 2 is placed in the limit frame 8, and then Push the mounting block 2 to drive the first fixing hole 201 to move rightward along the limiting frame 8. When the first fixing hole 201 is aligned with the second fixing hole 901 during the movement, the user releases the extension plate 4, and the first spring 7 is reset, so that the first telescopic rod 6 drives the extension plate 4 and the second knocking ball 5 to move outward. When the extension plate 4 moves to a suitable position, the extension plate 4 contacts and fits with the inner wall of the octagonal drum 1, and then pulls the fixing rod 13 to drive the second telescopic rod 12 to move upward, and the second spring 14 is compressed. When the fixing rod 13 moves to a suitable position, the latch rod 9 is clamped in the second fixing hole 901. and the first fixing hole 201, so as to fix the mounting block 2, and then loosen the fixing rod 13, the second spring 14 is reset, the fixing rod 13 drives the second telescopic rod 12 to move downward, and the fixing rod 13 moves to contact with the third fixing hole 1001 and is stuck therein, so as to fix the latch rod 9. When the latch rod 9 is fixed, repeat the above operation to install the mounting block 2 on the same side, and then place the protective frame 15 in the octagonal drum 1, and align the first threaded hole 1601 with the second threaded hole 1701, so that the sealing strip 18 thereon fits with the inner wall of the octagonal drum 1, and then tighten the fixing screw 1 7 is placed on the first threaded hole 1601, and then the fixing screw 17 is rotated along the first threaded hole 1601. When the fixing screw 17 is rotated to a certain distance, the fixing screw 17 contacts with the second threaded hole 1701 and rotates along it. When the fixing screw 17 is rotated to a suitable position, the fixing screw 17 is loosened to complete the fixation of the protection frame 15. Repeat the above operation to install multiple mounting blocks 2 in the octagonal drum 1, which is convenient for installing the knocking ball. After the installation of the knocking ball is completed, pull the switch door 101 to rotate in the opposite direction to close it. After the switch door 101 is closed, the switch door 101 is loosened.
[0025] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. An octagonal drum for improving the softness of leather, comprising an octagonal drum (1) and a switch door (101), wherein the front side of the octagonal drum (1) is rotatably connected to the switch door (101), and wherein: The octagonal drum (1) also comprises a mounting block (2), a first knocking ball (3), an extension plate (4), a second knocking ball (5), a first telescopic rod (6), a first spring (7), a limit frame (8) and a latch rod (9); a plurality of mounting blocks (2) are horizontally and symmetrically placed on the inner side of the octagonal drum (1); a first fixing hole (201) is symmetrically opened on one side of the mounting block (2); a plurality of first knocking balls (3) are symmetrically mounted on the upper part of the mounting block (2); an extension plate (4) is symmetrically and slidably connected to the inside of the mounting block (2); a plurality of first knocking balls (3) are symmetrically mounted on the upper part of the extension plate (4); A second knocking ball (5) is formed, a first telescopic rod (6) is installed in the extension plate (4), the telescopic end of the first telescopic rod (6) is fixedly connected to the inner side surface of the mounting block (2), a first spring (7) is connected between the inner side surface of the mounting block (2) and the first telescopic rod (6), a plurality of limit frames (8) are horizontally and symmetrically connected to the inner side surface of the octagonal drum (1), a second fixing hole (901) is symmetrically opened on one side of the limit frame (8), a latch rod (9) is clamped in the two second fixing holes (901), and the latch rod (9) is clamped and matched with the first fixing hole (201).
2. An octagonal drum for improving the softness of leather as claimed in claim 1, characterized in that: The invention also comprises a connecting block (10), a connecting plate (11), a second telescopic rod (12), a fixing rod (13) and a second spring (14); the connecting block (10) is connected to the opposite side of the two latch rods (9); a second fixing hole (901) is provided on the connecting block (10); the inner side of the limiting frame (8) is connected to the connecting plate (11); the second telescopic rod (12) is installed at the lower part of the connecting plate (11); the fixing rod (13) is connected to the telescopic end of the second telescopic rod (12); the fixing rod (13) is snap-fitted with the third fixing hole (1001); and the second spring (14) is connected between the lower part of the connecting plate (11) and the upper part of the fixing rod (13).
3. An octagonal drum for improving the softness of leather as claimed in claim 2, characterized in that: The octagonal drum (1) also includes a protective frame (15), a mounting plate (16) and a fixing screw (17); a plurality of second threaded holes (1701) are horizontally symmetrically provided on the inner side surface of the octagonal drum (1); a plurality of protective frames (15) are evenly spaced and arranged on the inner side surface of the octagonal drum (1); a mounting plate (16) is symmetrically connected to the outer side of the protective frame (15); a first threaded hole (1601) is provided on the mounting plate (16); a fixing screw (17) is threadedly connected to the inner side of the first threaded hole (1601); and the fixing screw (17) is threadedly matched with the second threaded hole (1701).
4. An octagonal drum for improving the softness of leather as claimed in claim 3, characterized in that: It also includes a sealing strip (18), the outer side of the protection frame (15) is symmetrically connected with the sealing strip (18), and the sealing strip (18) is in contact with the inner side surface of the octagonal drum (1).
5. An octagonal drum for improving the softness of leather as claimed in claim 4, characterized in that: The limiting frame (8) is in an inverted shape.
6. An octagonal drum for improving the softness of leather as claimed in claim 5, characterized in that: The number of the fixing screws (17) is not less than fourteen.
Citation Information
Patent Citations
Stainless steel octagonal drum for tanning cow leather
CN209537520U