CN219483387U - Multistage tea screening machine - Google Patents

Abstract

The utility model discloses a multi-stage tea screening machine, which comprises a machine body, a drive mechanism is arranged at the middle point of the upper end surface of the machine body, a feeding pipe is arranged on one side of the upper end surface of the machine body, and a plurality of sealing covers are arranged on one side of the machine body , a plurality of buffer mechanisms are arranged on the lower end surface of the body, a discharge port is opened at the midpoint of the lower end surface of the body, a miscellaneous material box is arranged on the inner bottom end surface of the body, and shrinkage mechanisms are arranged on both sides of the upper end surface of the miscellaneous material box , telescopic rods are arranged on both sides of the upper end surface inside the body, and a vibrating mechanism is arranged at the midpoint of the upper end surface inside the body, the vibrating mechanism includes a vibrating rod, and a No. mesh, No. 2 sieve and No. 3 sieve. The utility model has the advantages of high screening accuracy for tea leaves, fast screening speed, and improved production efficiency while reducing the labor intensity of personnel; in addition, the buffer mechanism provided at the bottom of the machine body can greatly reduce the vibration generated by the machine body. Good cushioning and shock absorption.

Description

A multi-stage tea screening machine

technical field

The utility model relates to the technical field of tea processing, in particular to a multi-stage tea screening machine.

Background technique

In the process of tea production, it is necessary to classify the quality of tea leaves, generally according to the degree of whole and broken leaves of the same kind of tea leaves.

The traditional screening method is to screen by manually shaking the filter sieve, which has low efficiency and high labor intensity. Although screening machines are also used in the prior art to screen, most of them use vibrating screens to simply screen tea impurities once, and the screening accuracy is low. If repeated screening is required, the operation is cumbersome and time-consuming. Therefore, the applicant proposes a multi-stage tea screening machine to solve the problems of low screening accuracy of the above-mentioned screening machine and cumbersome and time-consuming operations during repeated screening.

Utility model content

The purpose of this utility model is to solve the shortcoming existing in the prior art, and propose a kind of multi-stage tea screening machine, set a plurality of screens on the vibrating rod, and gradually shrink from top to bottom, the screens are fixed on the On the vibrating rod, the servo motor starts to drive the rotating shaft through the synchronous wheel, belt and rotating wheel, and then drives the eccentric circular block on the rotating shaft to rotate. The eccentric circular block repeatedly pushes the vibrating block, and then completes the up and down vibration effect of multiple screens. With the design of multi-stage vibrating screen, the sieve size of each stage of vibrating screen decreases in turn to complete multi-stage sorting. Compared with manual screening, the speed of the screening device is faster and the quality of tea after screening is higher, reducing labor. The strength improves production efficiency at the same time, and the buffer mechanism at the bottom has a buffering and shock-absorbing effect on the vibration generated by the machine body, thereby improving the stability of the device.

In order to achieve the above object, the utility model provides the following technical solutions:

A multi-stage tea screening machine, comprising a body, a driving mechanism is fixedly arranged at the midpoint of the upper end surface of the body, a feeding pipe is fixedly arranged on one side of the upper end surface of the body, and multiple A sealing cover, a plurality of buffer mechanisms are fixedly arranged on the lower end surface of the body, a discharge port is opened at the midpoint of the lower end surface of the body, a miscellaneous material box is fixedly arranged on the inner bottom end surface of the body, and the Both sides of the upper end surface of the miscellaneous material box are fixedly provided with contraction mechanisms, both sides of the upper end surface inside the body are fixedly provided with telescopic rods, and a vibration mechanism is fixedly installed at the midpoint of the upper end surface inside the body. The mechanism includes a vibrating rod, on which a No. 1 screen, a No. 2 screen and a No. 3 screen are sequentially arranged from top to bottom.

Further, the drive mechanism includes a drive housing, a servo motor is fixed inside the drive housing, and a synchronous wheel is fixedly sleeved at the output end of the servo motor, and the synchronous wheel is connected to the vibration mechanism through a belt.

Further, the buffer mechanism includes a support rod, a limit seat is fixedly arranged on the upper end surface of the support rod, and an elastic shell is fixedly arranged outside the limit seat. Side plates are fixedly arranged on both sides, and fixed blocks are fixedly arranged at the lower end of the inner bottom surface of the limit seat on the side away from the two side plates, and are fixed on the side away from the side plates of the two fixed blocks. A No. 1 spring is provided, and a No. 2 clamping block is fixedly arranged at the other ends of the two No. 1 springs.

Further, the buffer mechanism also includes a connection plate, the end surface of the connection plate penetrates the upper end surface of the limit seat and abuts against the outer bottom surface of the body, and the lower end surface of the connection plate passes through the limit seat There is a linkage plate inside and fixedly connected to it, a No. 1 connecting rod is fixedly installed on both sides of the lower end surface of the linkage plate, and a No. 2 connecting rod is fixedly installed on both sides of the lower end surface of the linkage plate near the midpoint. The lower end surfaces of the two No. 1 connecting rods are fixedly provided with No. 1 blocks, and the two No. 1 blocks are correspondingly wedge-fitted with the two No. 2 blocks. When the two No. 2 blocks are connected The lower end surface of the rod is fixedly provided with an extrusion plate, No. 2 springs are arranged on both sides of the lower end surface of the extrusion plate, and the upper ends of the two No. 2 springs are fixedly connected to the lower end surface of the extrusion plate, The lower ends abut against the inner bottom surface of the limit seat.

Further, the vibrating mechanism also includes a vibrating shell, and the lower end surface of the vibrating shell is penetrated by the upper end of the vibrating rod, the upper end surface of the vibrating shell is fixedly connected to the inner top wall of the body, and the vibrating shell is The two sides of the inner wall of the shell are provided with rotating shafts near the upper end, and eccentric round blocks are fixedly arranged at both ends of the shaft body of the rotating shaft, and a rotating wheel is fixedly sleeved at the midpoint of the shaft body of the rotating shaft, and the rotating wheel passes through the belt. Connected with the synchronous wheel, a vibrating block is fixed on the upper end face of the vibrating bar, and the upper end face of the vibrating block is correspondingly in contact with the eccentric circular block, and on both sides of the lower end face of the vibrating block Both are provided with telescopic springs, and the upper ends of the two telescopic springs are fixedly connected to the lower end surface of the vibrating block, and the lower ends abut against the inner bottom surface of the vibrating shell.

Further, the shrinking mechanism includes a shrinking shell, slide grooves are provided on both sides of the inner wall of the shrinking shell, a sliding plate is slidably arranged in the two sliding grooves, and a shrinking rod is fixedly arranged on the upper end surface of the sliding plate, A return spring is provided on the lower end surface of the slide plate, and the upper end of the return spring is fixedly connected to the lower end surface of the slide plate, and the lower end abuts against the inner bottom surface of the retractable shell.

Further, the shrink rod penetrates through the upper end surface of the shrink shell and is fixedly connected with the lower end surface of the No. 3 screen.

Further, the meshes of the No. 1 screen are larger than the meshes of the No. 2 screen, and the meshes of the No. 2 screen are larger than the meshes of the No. 3 screen.

The utility model has the following beneficial effects:

1. A multi-stage tea screening machine proposed by this utility model adopts the design of a multi-stage vibrating screen whose sieve hole size decreases successively to realize multi-stage sorting of tea leaves. Compared with the traditional manual screening method, the utility model The screening speed of the multi-stage tea screening machine is faster and the quality of the tea after screening is higher. While reducing the labor intensity of personnel, it also greatly improves the production efficiency and has higher practicability.

2. The utility model proposes a multi-stage tea screening machine, which can eliminate the force generated when the body vibrates through the buffer mechanism arranged at the bottom, has a good buffer and shock absorption effect, and can improve the stability of the entire device.

Description of drawings

Fig. 1 is the axonometric schematic diagram of multistage tea screening machine of the present invention;

Fig. 2 is the front sectional schematic diagram of multistage tea screening machine of the present invention;

Fig. 3 is the enlarged schematic diagram of place A in Fig. 2;

Fig. 4 is the enlarged schematic diagram of place B in Fig. 2;

FIG. 5 is an enlarged schematic diagram of point C in FIG. 2 .

Explanation of reference signs: 1. body; 2. drive mechanism; 201. drive shell; 203. synchronous wheel; 202. servo motor; 3. feed pipe; 4. sealing cover; 5. buffer mechanism; 501. connecting plate; 502, elastic shell; 503, limit seat; 504, No. 1 connecting rod; 505, No. 1 block; 506, No. 2 block; 507, No. 1 spring; 508, fixed block; 509, No. 2 spring; 5010 , Extrusion plate; 5011, Support rod; 5012, Side plate; 5013, Linkage plate; 5014, No. 2 connecting rod; , shrink shell; 803, slide plate; 804, chute; 805, return spring; 9, vibration mechanism; 901, vibration rod; 902, vibration shell; 903, rotating shaft; 904, eccentric block; Vibration block; 907, telescopic spring; 10, telescopic rod; 11, No. 1 sieve; 12, No. 2 sieve; 13, No. 3 sieve; 14, belt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1 to Fig. 5, an embodiment provided by the utility model: a multi-stage tea screening machine, comprising a body 1, a driving mechanism 2 is fixedly arranged at the midpoint of the upper end surface of the body 1, and a The feed pipe 3 is fixedly arranged on the side, and the upper end of the feed pipe 3 is arranged in an inclined shape, so as to reduce the adhesion of the tea leaves. A plurality of sealing covers 4 are arranged on one side of the body 1, so that after the screening is completed, the sealing cover 4 will be opened. The tea leaves after multi-stage sorting are collected and processed. A plurality of buffer mechanisms 5 are fixedly installed on the lower end surface of the body 1 to buffer the vibration force generated by the body 1. A discharge port 6 is opened at the midpoint of the lower end surface of the body 1; A miscellaneous material box 7 is fixedly arranged on the inner bottom surface of the body 1, and a contraction mechanism 8 is fixedly arranged on both sides of the upper end surface of the miscellaneous material box 7, and a telescopic rod 10 is fixedly installed on both sides of the upper end surface inside the body 1. A vibrating mechanism 9 is fixedly arranged at the midpoint of the inner upper end surface, and the vibrating mechanism 9 includes a vibrating rod 901, on which a No. 1 screen 11, a No. 2 screen 12 and a No. No. sieve cloth 13, is used for realizing the multistage screening to tealeaves.

Specifically, in the above-mentioned embodiment, the drive mechanism 2 includes a drive housing 201, a servo motor 202 is fixedly arranged inside the drive housing 201, and a synchronous wheel 203 is fixedly sleeved at the output end of the servo motor 202, and the synchronous wheel 203 passes through The belt 14 is connected with the vibration mechanism 9 . When working, the servo motor 202 starts to drive the synchronous wheel 203 to rotate, and the synchronous wheel 203 drives the rotating wheel 905 in the vibrating mechanism 9 to rotate through the belt 14, thereby completing the power transmission between the driving mechanism 2 and the vibrating mechanism 9.

Specifically, in the above embodiment, the buffer mechanism 5 includes a support rod 5011, a limit seat 503 is fixedly arranged on the upper end surface of the support rod 5011, and an elastic shell 502 is fixedly arranged outside the limit seat 503, and the upper end of the elastic shell 502 The surface is fixedly connected to the outer bottom surface of the body 1, and the lower end surface is fixedly connected to the upper surface of the support rod 5011. Side plates 5012 are fixedly arranged on both sides of the inner bottom surface of the limit seat 503 near the midpoint. The inner bottom end surface of the seat 503 is located at the lower end of the side where the two side plates 5012 are away from each other, and a fixed block 508 is fixedly arranged on the side of the two fixed blocks 508 away from the side plate 5012. A No. 1 spring 507 is fixedly arranged. The other end of the spring 507 is fixedly provided with a second locking block 506 . Further, in the above-mentioned embodiment, the buffer mechanism 5 also includes a connecting plate 501, and the upper end surface of the connecting plate 501 penetrates the upper end surface of the limit seat 503 and abuts against the outer bottom surface of the body 1, and the lower end surface of the connecting plate 501 passes through the The inside of the limit seat 503 is fixedly connected with a linkage plate 5013, and a No. 1 connecting rod (504) is fixedly installed on both sides of the lower end surface of the linkage plate 5013, and is fixedly installed on both sides of the lower end surface of the linkage plate 5013 near the midpoint. The No. 2 connecting rod 5014 is fixedly provided with a No. 1 clamping block 505 on the lower end surfaces of the two No. 1 connecting rods 504, and the two No. 1 clamping blocks 505 are correspondingly wedge-fitted with the two No. 2 clamping blocks 506. The lower end surface of the second connecting rod 5014 is fixedly provided with an extruding plate 5010, and both sides of the lower end surface of the extruding plate 5010 are provided with No. two springs 509, and the upper ends of the two No. Fixedly connected, the lower ends all abut against the inner bottom surface of the limit seat 503 . When in use, the support rod 5011 supports the whole body 1, and the outer elastic shell 502 protects the limit seat 503, thereby forming a support column with an integrated shape; when the body 1 vibrates, it will drive the connecting plate 501 to move up and down , when the connecting plate 501 moves up and down, it will drive the extrusion plate 5010 to generate an extrusion force on the No. The two side plates 5012 are limited, so that the extrusion plate 5010 will not shake left and right, but the connecting plate 501 will simultaneously drive the two No. 1 blocks 505 to move down together, so that the No. 1 blocks 505 and No. 2 blocks 506 forms a wedge-shaped fit, so that the No. 1 spring 507 on the other side of the No. 2 clamping block 506 contracts, and generates a reaction force again, thereby completing the buffering and shock absorption effect.

Specifically, in the above embodiment, the vibrating mechanism 9 also includes a vibrating shell 902, and the lower end surface of the vibrating shell 902 is penetrated by the upper end of the vibrating rod 901, and the upper end surface of the vibrating shell 902 is fixedly connected to the inner top wall of the body 1, On both sides of the inner wall of the vibrating shell 902, a rotating shaft 903 is arranged to rotate on the upper end, and an eccentric circle block 904 is fixedly arranged at both ends of the shaft body of the rotating shaft 903, and a rotating wheel 905 is fixedly sleeved at the midpoint of the shaft body of the rotating shaft 903, and rotates The wheel 905 is connected with the synchronous wheel 203 through the belt 14, and a vibrating block 906 is fixedly arranged on the upper end surface of the vibrating bar 901, and the upper end face of the vibrating block 906 abuts against the eccentric circle block 904 correspondingly, and the two sides of the lower end face of the vibrating block 906 Two telescopic springs 907 are arranged on each side, and the upper ends of the two telescopic springs 907 are fixedly connected to the lower end surface of the vibrating block 906 , and the lower ends abut against the inner bottom surface of the vibrating shell 902 . When in use, the synchronous wheel 203 drives the rotating wheel 905 to rotate through the belt 14, and the rotating wheel 905 drives the rotating shaft 903 to rotate, so that the eccentric circular block 904 can repeatedly push the vibrating block 906, and then complete the operation of multiple screens (i.e., No. 1 screen) Net 11, No. 2 screen 12 and No. 3 screen 13) vibrate up and down.

Specifically, in the above-mentioned embodiment, the contraction mechanism 8 includes a contraction shell 802, and both sides of the inner wall of the contraction shell 802 are provided with chute 804, and a slide plate 803 is slidably arranged in the two chute 804, and the upper end surface of the slide plate 803 is A shrink rod 801 is fixedly arranged, and a return spring 805 is fixedly arranged on the lower end surface of the slide plate 803 , and the upper end of the return spring 805 is affixed to the lower end surface of the slide plate 803 , and the lower end abuts against the inner bottom surface of the retractable housing 802 . The function of the return spring 805 is to help ensure the stability of the up and down movement of multiple screens, which can not only play a supporting role, but also have a certain contraction function. Furthermore, the shrink rod 801 penetrates through the upper end surface of the shrink shell 802 and is fixedly connected with the lower end surface of the No. 3 screen 13 .

Specifically, in the above embodiment, the meshes of the No. 1 screen 11 are larger than the meshes of the No. 2 screen 12 , and the meshes of the No. 2 screen 12 are larger than the meshes of the No. 3 screen 13 . The design of multi-stage vibrating screen with successively decreasing sieve hole size can complete multi-stage sorting at one time.

Specifically, in the above embodiment, there are three sealing covers 4, and the three sealing covers 4 correspond to the positions of the three screens (namely, the No. 1 screen 11, the No. 2 screen 12 and the No. 3 screen 13), It is used to collect corresponding sieved tea leaves from three sieves (No. 1 sieve 11, No. 2 sieve 12 and No. 3 sieve 13) after the sieving is completed.

Working principle: Firstly, the tea leaves to be sieved are injected into the machine body 1 through the feeding pipe 3, and then fall onto the No. The servo motor 202 of 2 works, and the synchronous wheel 201 at the output end of the servo motor 202 uses the belt 14 to drive the rotating wheel 905 in the vibration mechanism 9 to rotate, and then the rotating wheel 905 drives the rotating shaft 903 to rotate, and then the rotating shaft 903 drives the eccentric circle block 904 to rotate , so that the eccentric circular block 904 repeatedly pushes the vibrating block 906 up and down, prompting multiple screens (namely No. 1 screen 11, No. 2 screen 12 and No. 3 screen 13) to vibrate up and down to complete the tea screening work. Finally, open a plurality of sealing covers 4 that body 1 side is provided with, collect corresponding sieving tealeaves from No. 1 sieve 11, No. 2 sieve 12 and No. 3 sieve 13 successively.

Wherein, when the body 1 vibrates and screens tea leaves, the body 1 will drive the connecting plate 501 in the buffer mechanism 5 to move up and down, and when the connecting plate 501 moves up and down, it will drive the extrusion plate 5010 to move up and down and generate pressure on the second spring 509. Extrusion force, and when the second spring 509 is squeezed, it will produce a reaction force on the extrusion plate 5010, and buffer the extrusion force received by the extrusion plate 5010, and because the extrusion plate 5010 is limited by the side plate 5012 , so that the extrusion plate 5010 will not shake from side to side, ensuring that the extrusion plate 5010 can only move up and down; while the connecting plate 501 moves up and down, it will also drive the first block 505 to move up and down together, and with the second block 506 form a wedge-shaped fit, so that the No. 1 spring 507 on the side of the No. 2 block 506 contracts, and when the No. 1 spring 507 contracts, it will also produce a reaction force, and buffer the extrusion force on the extrusion plate 5010 .

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (8)

1. A multi-stage tea screening machine, including a body (1), characterized in that: a drive mechanism (2) is fixed at the midpoint of the upper end surface of the body (1), and a drive mechanism (2) is fixed on the upper end surface of the body (1). A feeding pipe (3) is fixedly arranged on one side, a plurality of sealing covers (4) are arranged on one side of the body (1), and a plurality of buffer mechanisms (5) are fixedly arranged on the lower end surface of the body (1) , a discharge port (6) is opened at the midpoint of the lower end surface of the body (1), and a miscellaneous material box (7) is fixedly arranged on the inner bottom end surface of the body (1), and the miscellaneous material box ( 7) The retraction mechanism (8) is fixedly installed on both sides of the upper end surface, and the telescopic rod (10) is fixedly installed on both sides of the upper end surface inside the body (1), and the midpoint of the upper end surface inside the body (1) A vibrating mechanism (9) is fixed at the place, and the vibrating mechanism (9) includes a vibrating rod (901), and a No. 1 screen (11), No. 2 sieve (12) and No. 3 sieve (13). 2. A multi-stage tea screening machine according to claim 1, characterized in that: the drive mechanism (2) includes a drive housing (201), and a servo motor ( 202), a synchronous wheel (203) is fixedly sleeved at the output end of the servo motor (202), and the synchronous wheel (203) is connected to the vibration mechanism (9) through a belt (14). 3. A multi-stage tea screening machine according to claim 1, characterized in that: the buffer mechanism (5) includes a support rod (5011), and a limit seat is fixed on the upper end of the support rod (5011) (503), an elastic shell (502) is fixedly arranged on the outer side of the limit seat (503), and side plates (5012) are fixedly arranged on both sides of the inner bottom surface of the limit seat (503) near the midpoint. ), a fixed block (508) is fixed on the lower end of the inner bottom surface of the limit seat (503) located on the side away from the two side plates (5012), and a fixed block (508) is fixed on the side away from the two A No. 1 spring (507) is fixedly arranged on one side of the plate (5012), and a No. 2 clamping block (506) is fixedly arranged on the other ends of the two No. 1 springs (507). 4. A multi-stage tea screening machine according to claim 3, characterized in that: the buffer mechanism (5) also includes a connecting plate (501), and the upper end surface of the connecting plate (501) passes through the limit The upper end surface of the seat (503) is in contact with the outer bottom surface of the body (1), the lower end surface of the connecting plate (501) is penetrated inside the limit seat (503), and is fixedly connected with a linkage plate (5013 ), a No. 1 connecting rod (504) is fixedly installed on both sides of the lower end surface of the linkage plate (5013), and a No. 2 connecting rod is fixedly installed on both sides of the lower end surface of the linkage plate (5013) near the midpoint (5014), the No. 1 block (505) is fixedly installed on the lower end surfaces of the two No. 1 connecting rods (504), and the two No. 1 blocks (505) correspond to the two No. 2 blocks The blocks (506) are wedge-fitted and connected, and an extrusion plate (5010) is fixedly arranged on the lower end surfaces of the two No. 2 connecting rods (5014), and two No. 2 spring (509), and the upper ends of the two No. 2 springs (509) are fixedly connected to the lower end surface of the extrusion plate (5010), and the lower ends are all against the inner bottom surface of the limiting seat (503) catch. 5. A multi-stage tea screening machine according to claim 2, characterized in that: the vibration mechanism (9) also includes a vibration shell (902), and the lower end surface of the vibration shell (902) is covered by the The upper end of the vibrating rod (901) runs through, the upper end surface of the vibrating shell (902) is fixedly connected to the inner top wall of the body (1), and a rotating shaft is arranged on both sides of the inner wall of the vibrating shell (902) near the upper end. (903), eccentric round blocks (904) are fixedly arranged at both ends of the shaft body of the rotating shaft (903), and a rotating wheel (905) is fixedly sleeved at the midpoint of the shaft body of the rotating shaft (903), so The rotating wheel (905) is connected to the synchronous wheel (203) through a belt (14), and a vibrating block (906) is fixedly installed on the upper end surface of the vibrating rod (901), and the vibrating block (906) The upper end face is in contact with the eccentric circular block (904), and telescopic springs (907) are arranged on both sides of the lower end face of the vibrating block (906), and the upper ends of the two telescopic springs (907) All are fixedly connected to the lower end surface of the vibrating block (906), and the lower ends are all abutted against the inner bottom surface of the vibrating shell (902). 6. A multi-stage tea screening machine according to claim 1, characterized in that: the shrinking mechanism (8) includes a shrinking shell (802), and slides are provided on both sides of the inner wall of the shrinking shell (802). Slot (804), a slide plate (803) is slidably arranged in the two slide slots (804), and a retraction rod (801) is fixedly arranged on the upper end surface of the slide plate (803). On the slide plate (803) A return spring (805) is provided on the lower end surface of the return spring (805), and the upper end of the return spring (805) is fixedly connected to the lower end surface of the sliding plate (803), and the lower end abuts against the inner bottom surface of the shrinkable shell (802). 7. A multi-stage tea screening machine according to claim 6, characterized in that: the shrink rod (801) runs through the upper end surface of the shrink shell (802) and connects with the lower surface of the No. 3 screen (13) End face fixed connection. 8. A multi-stage tea screening machine according to claim 1, characterized in that: the sieve hole of the No. 1 sieve (11) is larger than the sieve hole of the No. 2 sieve (12), and the sieve of the No. The sieve hole of the No. sieve (12) is larger than the sieve of the No. 3 sieve (13).