Sieve with adjustable aperture for screening tea leaves

Abstract

The utility model relates to the technical field of tea production and processing, and discloses a tea screening mesh with adjustable aperture, which comprises a support component and is characterized in that a transmission component is fixedly mounted in the middle of the support component, and the tail end of the transmission component is associated with a screening component. The screening assembly is installed at the top of the other side of the support assembly in a limiting mode, an adjusting assembly is fixedly installed on one side of the screening assembly, and an adjusting guide assembly is rotationally installed at the bottom of the screening assembly. According to the screening device, the adjusting assembly is installed on the screening device, when the screening device is used, the sizes of the corresponding screening holes can be adjusted according to different use scenes through the arranged adjusting assembly, the labor cost is avoided through a motor mode, and support for convenient work is provided.

Description

Technical Field

[0001] This utility model relates to the technical field of tea production and processing, specifically to a tea sieve with adjustable pore size. Background Technology

[0002] In the tea processing workflow, sieving is a crucial step, aiming to separate tea leaves into different grades based on characteristics such as size and length. Currently, tea processing enterprises widely use tea sieving machines, which consist of a sieve bed and a vibrating device. A fixed screen is laid on the sieve bed. During operation, the vibrating device at the bottom of the sieve bed drives it in a reciprocating motion, causing the tea leaves to vibrate on the screen surface. Tea leaves with a diameter smaller than the screen openings fall through the openings and are discharged through the lower outlet. However, in actual sieving, different types of tea require different sizes due to varying production requirements. Existing tea sieving machines have fixed screen openings, necessitating the purchase of multiple machines with different opening sizes to meet diverse needs, significantly increasing costs. Even with screen replacement, the process is cumbersome and severely impacts production efficiency. Furthermore, some screen adjustment methods, such as manually adjusting the lower screen size by loosening the tightening knob, lack a stable structure. When the lower screen is tightened again, it is very easy for it to shift, resulting in a deviation in the size of the screen holes, which in turn adversely affects the accuracy of tea classification.

[0003] Application number CN202223404402.7 discloses an adjustable screen assembly for a tea sieving machine, including a frame consisting of an upper frame and a lower frame. A sliding groove is provided between the upper and lower frames. An upper screen is fixedly mounted on the upper frame, and a lower screen is mounted inside the lower frame. A connecting rod is mounted on the lower screen, with one end connected to the lower screen and the other end having a fastening knob. When adjusting the screen aperture size, this invention loosens the fastening knob and adjusts the relative position between the lower and upper screens, causing them to fit together. Adjusting the position of the lower screen reduces the aperture of the upper screen, thus achieving the purpose of adjusting the screen size. This solves the problem of tea factories needing to purchase multiple sieving machines or the cumbersome process of changing screens, which affects production efficiency. However, a drawback is that the device requires manual braking on one side during adjustment, necessitating manual inspection and significantly reducing work efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a tea sieve with adjustable aperture, which solves the problem that the device requires manual braking on one side during adjustment, which greatly delays work efficiency.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a tea sieve with adjustable aperture, including a support assembly, a transmission assembly fixedly installed in the middle of the support assembly, a sieving assembly connected to the end of the transmission assembly, a sieving assembly limited and installed on the top of the other side of the support assembly, an adjustment assembly fixedly installed on one side of the sieving assembly, and an adjustment guide assembly rotatably installed at the bottom of the sieving assembly.

[0007] The adjustment assembly includes a pneumatic pump, which is fixedly installed on one side of the outer wall of the screening box via a fixing plate. A push rod is installed at the end of the pneumatic pump, and the end of the push rod is fixed to the top of the end of the movable side plate. An adjustment plate is fixedly installed on the inner side of the movable side plate.

[0008] Furthermore, the bracket assembly includes a bracket one, a bracket two is fixedly installed on one side of the bracket one, and a mounting bracket is fixedly installed in the middle of the bracket one. A mounting top plate is fixedly installed on the top of the bracket two and the bracket one.

[0009] Furthermore, the transmission assembly includes a rotary motor, which is fixedly mounted on the top of the mounting bracket, and a transmission device is mounted on the outside of the rotary motor. A transmission rod is fixedly mounted in the middle of the transmission end of the transmission device. The transmission rod is limited and mounted on the top of the bracket by a limiting ring, and an extension plate is fixedly mounted on one end of the transmission rod. A brake rod is rotatably mounted on the end of the extension plate.

[0010] Furthermore, the screening assembly includes a movable hinge, which is limited and installed at the end of the brake rod, and the movable hinge is fixedly installed in the middle of the outer side of the screening box. The screening box has a screening hole in the middle, and the bottom of both sides of the screening box is fixedly installed with limiting grooves. The limiting grooves are slidably installed on the top of the fixed pulley, and the fixed pulley is fixedly installed on the top two sides of the bracket.

[0011] Furthermore, the adjusting plate is slidably mounted on the bottom side of the screening hole.

[0012] Furthermore, the adjusting guide assembly includes a guide plate, one side of which is rotatably mounted on the top inner side of the first bracket, and lifting rods are limited and installed on both sides of the end of the guide plate. The lifting rods are installed at the bottom of the pneumatic lifting pump, and the pneumatic lifting pump is fixedly installed on the bottom side of the top of both sides of the second bracket.

[0013] This utility model has the following beneficial effects:

[0014] (1) The adjustable screen for tea sieving of this utility model has an adjustable component installed on the device, which allows the screen size to be adjusted according to different usage scenarios when using the device. The motor avoids the cost of manual labor and provides support for convenient work.

[0015] (2) The adjustable sieve for tea sieving of this utility model has an adjustable guide component installed on the device, which allows the sieved tea to be conveyed to different heights by the adjustable guide component when using the device, making the device more convenient to use and more widely applicable.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of a tea sieve with adjustable aperture according to the present invention.

[0019] Figure 2 This is a schematic diagram of the structure of a tea sieve transmission assembly with adjustable aperture for sieving according to the present invention.

[0020] Figure 3 This is a schematic diagram of the structure of a tea sieve with adjustable aperture and an adjustment component according to the present invention.

[0021] Figure 4 This is a schematic diagram of the structure of an adjustable guide assembly for tea sieving screens with adjustable apertures according to this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] In the diagram: 1. Support assembly; 2. Transmission assembly; 3. Screening assembly; 4. Adjustment assembly; 5. Adjustment guide assembly; 101. Support 1; 102. Support 2; 103. Mounting top plate; 104. Mounting support; 201. Rotary motor; 202. Transmission device; 203. Transmission rod; 204. Limiting ring; 205. Extension plate; 206. Brake rod; 301. Movable hinge; 302. Screening box; 303. Screening hole; 304. Limiting slide; 305. Fixed pulley; 401. Pneumatic pump; 402. Push rod; 403. Moving side plate; 404. Adjustment plate; 501. Guide plate; 502. Lifting rod; 503. Pneumatic lifting pump. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4 As shown, this utility model is a tea sieve with adjustable aperture, including a support assembly 1, a transmission assembly 2 fixedly installed in the middle of the support assembly 1, a sieve assembly 3 connected to the end of the transmission assembly 2, a sieve assembly 3 limitedly installed on the top of the other side of the support assembly 1, an adjustment assembly 4 fixedly installed on one side of the sieve assembly 3, and an adjustment guide assembly 5 rotatably installed at the bottom of the sieve assembly 3.

[0026] The adjusting component 4 includes a pneumatic pump 401, which is fixedly installed on one side of the outer wall of the screening box 302 by a fixing plate. A push rod 402 is installed at the end of the pneumatic pump 401. The end of the push rod 402 is fixed to the top of the end of the movable side plate 403. An adjusting plate 404 is fixedly installed on the inner side of the movable side plate 403.

[0027] By installing the adjustment component 4 on the device, the size of the sieve hole can be adjusted according to different usage scenarios when using the device. The motor avoids manual labor costs and provides convenient operation support.

[0028] The support assembly 1 includes a first support 101, a second support 102 fixedly mounted on one side of the first support 101, and a mounting bracket 104 fixedly mounted in the middle of the first support 101. A mounting top plate 103 is fixedly mounted on the top of the second support 102 and the first support 101. The first support 101 and the second support 102 in the support assembly 1 are connected and fixed through the mounting top plate 103, providing a stable support structure for the entire screen. The mounting bracket 104 is fixed in the middle of the first support 101 and is used to install the rotary motor 201 in the transmission assembly 2, completing the basic construction of the equipment.

[0029] The transmission assembly 2 includes a rotary motor 201, which is fixedly mounted on the top of the mounting bracket 104. A transmission device 202 is mounted on the outside of the rotary motor 201. A transmission rod 203 is fixedly mounted in the middle of the transmission end of the transmission device 202. The transmission rod 203 is limited and mounted on the top of the bracket 101 by a limiting ring 204. An extension plate 205 is fixedly mounted on one end of the transmission rod 203. A brake rod 206 is rotatably mounted on the end of the extension plate 205. When the rotary motor 201 is started, the transmission device 202 on its outside transmits power to the transmission rod 203. The transmission rod 203 rotates stably under the limitation of the limiting ring 204, and the extension plate 205 at the end drives the brake rod 206 to move.

[0030] The sieving assembly 3 includes a movable hinge 301, which is limited and installed at the end of the brake rod 206. The movable hinge 301 is also fixedly installed on the outer middle of the sieving box 302. The sieving box 302 has a sieving hole 303 in the middle, and the bottom of both sides of the sieving box 302 is fixedly installed with limiting grooves 304. The limiting grooves 304 are slidably installed on the top of the fixed pulley 305. The fixed pulley 305 is fixedly installed on the top two sides of the bracket 102. The brake rod 206 is connected to the sieving box 302 in the sieving assembly 3 through the movable hinge 301, thereby driving the sieving box 302 to reciprocate along the limiting grooves 304 on the fixed pulley 305, so as to realize the sieving action of tea leaves in the sieving box 302.

[0031] The adjusting plate 404 is slidably installed on the bottom side of the sieve hole 303. When it is necessary to adjust the sieve hole diameter, the pneumatic pump 401 in the adjusting assembly 4 is started. The pneumatic pump 401 pushes the moving side plate 403 through the push rod 402. The moving side plate 403 drives the inner adjusting plate 404 to slide on the bottom side of the sieve hole 303, changing the opening size of the sieve hole 303 to adapt to the sieving needs of different specifications of tea.

[0032] The adjusting guide assembly 5 includes a guide plate 501. One side of the guide plate 501 is rotatably mounted on the inner top of the first support 101. Lifting rods 502 are installed on both sides of the guide plate 501, with the lifting rods 502 mounted at the bottom of a pneumatic lifting pump 503. The pneumatic lifting pump 503 is fixedly mounted on the bottom sides of the top of both sides of the second support 102. The pneumatic lifting pump 503 in the adjusting guide assembly 5 is mounted on the bottom sides of the top of both sides of the second support 102, and the lifting rods 502 control the raising and lowering of the guide plate 501. The guide plate 501 is rotatably mounted on the inner top of the first support 101, and its angle and height can be adjusted as needed during the screening process.

[0033] The adjustable-aperture tea sieve is stably supported by the support assembly 1. The transmission assembly 2 drives the sieving assembly 3 to sieve the tea. The adjustment assembly 4 adjusts the sieve aperture, and the adjustment guide assembly 5 assists in controlling the sieving process. All components work together to complete the sieving of tea according to different specifications. The first support 101 and the second support 102 in the support assembly 1 are connected and fixed by the mounting plate 103, providing a stable support structure for the entire sieve. The mounting bracket 104 is fixed in the middle of the first support 101 and is used to install the rotary motor 201 in the transmission assembly 2, completing the equipment foundation. When the rotary motor 201 is started, the transmission device 202 on its outer side transmits power to the transmission rod 203. The transmission rod 203 rotates stably under the limit of the limiting ring 204, and the extension plate 205 at the end drives the brake rod 206 to move. The brake lever 206 is connected to the sieving box 302 in the sieving assembly 3 via the movable hinge 301, thereby driving the sieving box 302 to reciprocate along the limiting slide groove 304 on the fixed pulley 305, realizing the sieving action of tea leaves in the sieving box 302. When it is necessary to adjust the sieving hole diameter, the pneumatic pump 401 in the adjustment assembly 4 is started. The pneumatic pump 401 pushes the moving side plate 403 through the push rod 402. The moving side plate 403 drives the inner adjustment plate 404 to slide on the bottom side of the sieving hole 303, changing the opening size of the sieving hole 303 to adapt to the sieving requirements of different specifications of tea leaves. The pneumatic lifting pump 503 in the adjustment guide assembly 5 is installed on the top and bottom sides of both sides of the bracket 102, and controls the lifting of the guide plate 501 through the lifting rod 502. The guide plate 501 is rotatably installed on the inner side of the top of the bracket 101. During the screening process, the angle and height can be adjusted as needed to guide and assist in the movement of the screening component 3, ensuring that the tea screening process is stable and efficient. After the above process, tea of ​​different specifications is graded and screened through the screening hole 303, completing the entire tea screening work.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tea leaf sieving aperture adjustable screen comprising a holder assembly (1) characterised in that: A transmission component (2) is fixedly installed in the middle of the support assembly (1). A screening component (3) is associated with the end of the transmission component (2). The screening component (3) is limited and installed on the top of the other side of the support assembly (1). An adjustment component (4) is fixedly installed on one side of the screening component (3), and an adjustment guide component (5) is rotatably installed at the bottom of the screening component (3). The adjustment component (4) includes a pneumatic pump (401), which is fixedly installed on one side of the outer wall of the screening box (302) by a fixing plate, and a push rod (402) is installed at the end of the pneumatic pump (401). The end of the push rod (402) is fixed to the top of the end of the movable side plate (403), and an adjustment plate (404) is fixedly installed on the inner side of the movable side plate (403).

2. The tea screening aperture adjustable screen of claim 1, wherein: The bracket assembly (1) includes a bracket one (101), a bracket two (102) is fixedly installed on one side of the bracket one (101), and an installation bracket (104) is fixedly installed in the middle of the bracket one (101). An installation top plate (103) is fixedly installed on the top of the bracket two (102) and the bracket one (101).

3. The tea screening aperture adjustable screen of claim 1, wherein: The transmission assembly (2) includes a rotary motor (201), which is fixedly mounted on the top of the mounting bracket (104). A transmission device (202) is mounted on the outside of the rotary motor (201). A transmission rod (203) is fixedly mounted in the middle of the transmission end of the transmission device (202). The transmission rod (203) is limited and mounted on the top of the bracket (101) by a limiting ring (204). An extension plate (205) is fixedly mounted on one end of the transmission rod (203). A brake rod (206) is rotatably mounted on the end of the extension plate (205).

4. The tea screening aperture adjustable screen of claim 1, wherein: The screening assembly (3) includes a movable hinge (301), which is limited and installed at the end of the brake rod (206). The movable hinge (301) is fixedly installed in the middle of the outer side of the screening box (302). The screening box (302) has a screening hole (303) in the middle. Limiting grooves (304) are fixedly installed on the bottom of both sides of the screening box (302). The limiting grooves (304) are slidably installed on the top of the fixed pulley (305). The fixed pulley (305) is fixedly installed on the top two sides of the bracket (102).

5. The tea screening aperture adjustable screen of claim 1, wherein: The adjusting plate (404) is slidably installed on the bottom side of the screening hole (303).

6. The tea screening aperture adjustable screen of claim 1, wherein: The adjustment guide assembly (5) includes a guide plate (501), one side of which is rotatably mounted on the top inner side of the first bracket (101), and lifting rods (502) are limited and installed on both sides of the end of the guide plate (501). The lifting rods (502) are installed at the bottom of the pneumatic lifting pump (503), and the pneumatic lifting pump (503) is fixedly installed on the bottom side of the top of both sides of the second bracket (102).

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