Automatic hemp thread cleaning device

Abstract

The utility model relates to an automatic hemp thread cleaning device. The device comprises a longitudinal moving assembly, a transverse moving assembly and a cleaning assembly. The cleaning assembly longitudinally moves through the longitudinal moving assembly and transversely moves through the transverse moving assembly. The cleaning assembly comprises a telescopic air cylinder, a cleaning comb and a box body; the cleaning comb main body is arranged in the box body; the telescopic cylinder is mounted on the back of the box; a telescopic rod of the telescopic cylinder penetrates through the back wall of the box body and is fixedly connected with the back of the cleaning comb; two ends of the cleaning comb are in sliding fit with the inner wall of the box body; comb teeth are vertically arranged on the front end face of the cleaning comb; the whole comb teeth are plate-shaped; one corner of the front end of each comb tooth extends outwards to form a tip; comb tooth grooves correspondingly matched with the comb teeth are formed in the front wall of the box body. According to the utility model, the comb teeth are used for cleaning hemp threads on the hemp thread removing roller; the tip part has enough structural strength, so that the hemp threads which are tightly adhered can be cleared, and the hemp thread clearing effect is guaranteed; the comb teeth are matched with the comb tooth grooves, so that the hemp threads hooked by the tips can be left in the notches of the comb tooth grooves, and continuous scraping of the hemp threads is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco leaf impurity removal equipment, in particular to an automatic hemp shred cleaning device. Background Art

[0002] Most of the existing tobacco companies purchase raw tobacco from individual tobacco farmers. Tobacco farmers need to bear the burden of planting, picking, and preliminary baking processes. Therefore, the quality of raw tobacco received by tobacco companies is uneven, and the packaging used is also varied. Tobacco companies can classify and grade the purchased raw tobacco, and use self-cleaning hemp silk removal machines to remove debris inside the raw tobacco. The patented self-cleaning hemp silk removal machine with authorization announcement number CN204483000U is a device for handling debris in raw tobacco. The self-cleaning hemp silk removal machine is provided with a hemp silk removal device; the hemp silk removal device includes a linear motion module arranged in parallel with the hemp silk removal roller, and a telescopic brush head installed on the linear motion module. The telescopic brush head includes a plurality of brush needles and a shell for accommodating the brush needles; the brush needles are telescopic, and after being extended, they fit the surface of the hemp-removing roller to be cleaned that moves to the tail of the machine, and move axially under the drive of the linear motion module, and can scrape off the hemp fibers adhering to the surface of the hemp-removing roller, thereby realizing automatic cleaning of the hemp-removing roller; when the brush needles are retracted, the grating function formed by the brush needle holes on the shell can remove the hemp fibers hanging on the brush needles, so as to facilitate the next work of the brush needles. The end of the brush needle head is a conical head, and it is easy to pull away the tightly adhered hemp fibers when scraping off the hemp fibers, resulting in omissions, and it is easy to entangle the hemp fibers, which is not conducive to continuous cleaning of the hemp fibers; therefore, the cleaning effect of the hemp-removing device is poor. Utility Model Content

[0003] The purpose of the utility model is to solve the above problems and provide an automatic cleaning device for hemp fibers.

[0004] The technical scheme of the utility model is as follows: an automatic cleaning device for hemp silk comprises a longitudinal moving component, a transverse moving component and a cleaning component; the cleaning component moves longitudinally through the longitudinal moving component and moves transversely through the transverse moving component; the cleaning component comprises a telescopic cylinder, a cleaning comb and a box body; the cleaning comb main body is arranged inside the box body; the telescopic cylinder is installed on the back of the box body; the telescopic rod of the telescopic cylinder penetrates the back wall of the box body and is fixedly connected to the back of the cleaning comb; the telescopic cylinder controls the forward and backward movement of the cleaning comb; the end of the cleaning comb is slidably matched with the inner wall of the box body to provide a guide for the forward and backward movement of the cleaning comb; the front end surface of the cleaning comb is vertically arranged The cloth is provided with a plurality of comb teeth; the comb teeth are directly facing the hemp removing roller; the comb teeth are plate-shaped as a whole; a tip is extended outward at a corner of the front end of the comb teeth; the tip is used to scrape off the hemp on the hemp removing roller; relatively speaking, the structural strength of the tip is greater than the structural strength of the existing brush needle end, which is conducive to removing the hemp that is tightly adhered and ensuring the hemp removal effect; the front wall of the box body is provided with comb tooth grooves corresponding to the comb teeth; the comb teeth moving forward and backward can be extended and retracted relative to the comb tooth grooves; the hemp wrapped around the tip can stay in the comb tooth groove when the comb teeth are retracted into the comb tooth grooves, which is conducive to continuous scraping off of the hemp.

[0005] Preferably, the pointed portion extends forward to facilitate picking out the hemp fibers on the hemp fiber removing roller.

[0006] Preferably, the tip extends sideways to facilitate guiding the removed hemp fibers, thereby forming a continuous hemp fiber cleaning capability.

[0007] Preferably, the box body is provided with a positive pressure joint connected to the inside of the box body; the positive pressure joint is connected to an external positive pressure gas source, so that the box body is in a positive pressure state; the positive pressure state in the box body causes the comb tooth grooves to continuously blow out gas, which can prevent the comb tooth grooves from being blocked by hemp fibers.

[0008] Preferably, a downward blowing nozzle is installed on the top of the box body; the blowing nozzle and the comb tooth groove are opposite to each other; the blowing nozzle is connected to an external wind source; the blowing nozzle sprays gas to clean the hemp fibers remaining in the comb tooth groove.

[0009] Preferably, the cleaning component also includes a flexible contact mechanism; the flexible contact mechanism includes a horizontally arranged roller, a back plate, and a fixing frame; the positioning roller is rotatably connected to one side of the box body; the side of the positioning roller exceeds the front of the box body; the back of the box body is mounted on the back plate; the four corners of the fixing frame are provided with guide shafts facing forward and backward; the four corners of the back plate are provided with through holes penetrated by the guide shafts; the guide shaft is also equipped with a return spring; one end of the return spring is connected to the back wall of the fixing frame, and the other end is connected to the back of the back plate; when the cleaning component moves forward, the positioning roller will connect with the hemp removing roller before the front of the box body; at the same time, the positioning roller acts on the box body to make the box body move backward along the axial direction of the guide shaft; at this time, the protruding tip can maintain a suitable distance from the side of the hemp removing roller to achieve a better hemp cleaning effect and protect the Velcro on the hemp removing roller; when the cleaning component moves backward, the return spring can reset the box body; the positioning roller can rotate with the lateral movement of the cleaning component.

[0010] Furthermore, there are two positioning rollers; the two rollers are arranged up and down, and can be better buckled on the side of the hemp fiber removing roller to ensure the lateral movement stability of the cleaning component.

[0011] Furthermore, the flexible contact mechanism also includes a U-shaped card, a sleeve, a mounting bolt, a mounting nut, a lock nut, and a mounting seat; the mounting seat is installed on the side of the box body facing away from the tip; the closed section of the U-shaped card is provided with an outwardly extending screw; after the screw is threadedly matched with the mounting seat, it is threadedly matched with the lock nut; the lock nut is abutted against the mounting seat; the mounting bolt vertically penetrates the open end of the U-shaped card; after the mounting bolt passes through the center of the roller and the sleeve from one side of the U-shaped card, it is threadedly matched with the mounting nut on the other side of the U-shaped card; the sleeve is arranged between the two rollers; the roller is detachably mounted to facilitate installation and replacement; the lock nut can ensure the horizontal state of the roller.

[0012] Furthermore, the positioning roller is a ball bearing, which can reduce the friction of the roller rotation.

[0013] Preferably, a slide block is installed on the inner wall of the box body; the slide block is provided with slides that slidably cooperate with the two ends of the cleaning comb; the cooperation between the slide and the end of the cleaning comb provides guidance for the extension and retraction of the comb teeth.

[0014] Preferably, the automatic hemp cleaning device also includes a column, a vertical plate, a driving motor, a gear, a rack, and an L-shaped seat plate; there are two longitudinal movement components, which are symmetrically arranged on both sides of the vertical plate, including a longitudinal movement track and a longitudinal movement slider that are slidably matched; the longitudinal movement track and the longitudinal movement slider cooperate to provide guidance for the longitudinal movement of the cleaning component; the two ends of the vertical plate are connected to the longitudinal movement slider through the column; the transverse movement component includes a transverse movement track and a transverse movement slider that are slidably matched; the cleaning component and the driving motor are both installed on the L-shaped seat plate; the transverse movement track is installed on the front side of the vertical plate; the rack is installed on the back side of the vertical plate; the output shaft of the driving motor is connected to the gear; the gear is meshed with the rack; the driving motor outputs torque, which acts on the rack through the gear to make the cleaning component move laterally; the cooperation between the transverse movement track and the transverse movement slider provides guidance for the lateral movement of the cleaning component.

[0015] The beneficial effects of the utility model are as follows: the hemp silk automatic cleaning device of the utility model has the following advantages:

[0016] (1) The utility model uses a comb tooth with a tip extending outward from a corner to clean the hemp on the hemp removing roller; the tip has sufficient structural strength, which is conducive to removing the hemp that is tightly adhered and ensuring the hemp removal effect; the comb teeth cooperate with the comb tooth grooves, and the hemp hooked by the tip can be left in the notch of the comb tooth groove, which is conducive to continuous scraping of the hemp;

[0017] (2) The positive pressure joint of the utility model puts the box body in a positive pressure state; the positive pressure state in the box body causes the comb tooth groove to continuously blow out gas, which can prevent the comb tooth groove from being blocked by hemp fibers;

[0018] (3) The air blowing nozzle of the utility model can clean the hemp fibers remaining in the comb tooth grooves;

[0019] (4) The flexible contact mechanism of the utility model can keep the extended tip at an appropriate distance from the side of the hemp removing roller, so as to achieve a better hemp cleaning effect and protect the Velcro on the hemp removing roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model hemp silk automatic cleaning device;

[0021] Figure 2 yes Figure 1 I magnified view of;

[0022] Figure 3 It is a three-dimensional cleaning component Figure 1 ;

[0023] Figure 4 It is a three-dimensional cleaning component Figure 2 ;

[0024] Figure 5 is a side partial cross-sectional view of the cleaning assembly removing the flexible contact mechanism and the back plate;

[0025] Figure 6 is a front view of the cleaning assembly after removing the flexible contact mechanism;

[0026] Figure 7 It is a stereoscopic image of a cleaning comb;

[0027] Figure 8 It is a three-dimensional diagram of the chute block;

[0028] In the figure: 11. longitudinal track, 12. longitudinal slider, 21. transverse track, 22. transverse slider, 3. cleaning assembly, 31. telescopic cylinder, 32. cleaning comb, 321. comb teeth, 3211. tip, 33. box body, 331. comb tooth groove, 332. positive pressure joint, 333. blowing nozzle, 334. slide block, 3341. slide, 341. ball bearing, 342. back plate, 3421. through hole, 343. fixing frame, 3431. guide shaft, 3432. reset spring, 344. U-shaped card, 3441. screw, 345. sleeve, 346. mounting bolt, 347. mounting nut, 348. anti-loosening nut, 349. mounting seat, 4. column, 5. vertical plate, 6. driving motor, 7. gear, 8. rack, 9. L-shaped seat plate. DETAILED DESCRIPTION

[0029] Example 1: See Figure 1-8 , an automatic cleaning device for hemp silk comprises a longitudinal moving component, a transverse moving component and a cleaning component 3; the cleaning component 3 moves longitudinally through the longitudinal moving component and moves transversely through the transverse moving component; the cleaning component 3 comprises a telescopic cylinder 31, a cleaning comb 32 and a box body 33; the cleaning comb 32 body is arranged inside the box body 33; the telescopic cylinder 31 is installed on the back of the box body 33; the telescopic rod of the telescopic cylinder 31 passes through the back wall of the box body 33 and is fixedly connected to the back of the cleaning comb 32; the telescopic cylinder 31 controls the cleaning comb 32 to move forward and backward; the end of the cleaning comb 32 slides with the inner wall of the box body 33 to provide guidance for the forward and backward movement of the cleaning comb 32; a plurality of comb teeth 321 are arranged vertically on the front end surface of the cleaning comb 32; the comb teeth 32 1 is directly facing the hemp removing roller; the comb teeth 321 are plate-shaped as a whole; a tip 3211 is extended outward from a corner of the front end of the comb teeth 321; the tip 3211 is used to scrape the hemp on the hemp removing roller; relatively speaking, the structural strength of the tip 3211 is greater than the structural strength of the existing brush needle end, which is conducive to removing the hemp that is tightly adhered and ensuring the hemp removal effect; the front wall of the box body 33 is provided with a comb tooth groove 331 corresponding to the comb teeth 321; the comb teeth 321 moving forward and backward can be retracted relative to the comb tooth groove 331; the hemp wrapped around the tip 3211 can stay in the notch of the comb tooth groove 331 when the comb teeth 321 are retracted into the comb tooth groove 331, which is conducive to continuous scraping of the hemp.

[0030] Compared with the prior art, the utility model uses a comb tooth 321 with a tip 3211 extending outward from a corner to clean the hemp fibers on the hemp fiber removing roller; the tip 3211 has sufficient structural strength, which is conducive to removing the tightly adhered hemp fibers and ensuring the hemp fiber removal effect; the comb teeth 321 cooperate with the comb tooth groove 331, and the hemp fibers hooked by the tip 3211 can be retained in the notch of the comb tooth groove 331, which is conducive to continuous scraping of the hemp fibers.

[0031] The pointed portion 3211 extends forward to facilitate picking out the hemp fibers on the hemp fiber removing roller.

[0032] The pointed portion 3211 extends sideways to guide the removed hemp fibers, thereby providing a continuous hemp fiber cleaning capability.

[0033] The box body 33 is provided with a positive pressure joint 332 connected to the inside of the box body 33; the positive pressure joint 332 is connected to an external positive pressure gas source, so that the box body 33 is in a positive pressure state; the positive pressure state in the box body 33 causes the comb tooth groove 331 to continuously blow out gas, which can prevent the comb tooth groove 331 from being blocked by hemp fibers.

[0034] A downward blowing nozzle 333 is installed on the top of the box body 33; the blowing nozzle 333 and the comb tooth groove 331 are opposite to each other; the blowing nozzle 333 is connected to an external wind source; the blowing nozzle 333 sprays gas to clean the hemp fibers left at the mouth of the comb tooth groove 331.

[0035] The cleaning assembly 3 also includes a flexible contact mechanism; the flexible contact mechanism includes a horizontally arranged roller, a back plate 342, and a fixing frame 343; the positioning roller is rotatably connected to one side of the box body 33; the side of the positioning roller exceeds the front of the box body 33; the back of the box body 33 is mounted on the back plate 342; the four corners of the fixing frame 343 are provided with guide shafts 3431 facing forward and backward; the four corners of the back plate 342 are provided with through holes 3421 penetrated by the guide shafts 3431; the guide shaft 3431 is also equipped with a reset spring 3432; one end of the reset spring 3432 is connected to the back wall of the fixing frame 343 When the cleaning assembly 3 moves forward, the positioning roller will be in contact with the hemp removing roller before the front of the box body 33; at the same time, the positioning roller acts on the box body 33 to move the box body 33 axially backward along the guide shaft 3431; at this time, the protruding tip 3211 can maintain a suitable distance from the side of the hemp removing roller to achieve a better hemp cleaning effect and protect the Velcro on the hemp removing roller; when the cleaning assembly 3 moves backward, the reset spring 3432 can reset the box body 33; the roller can rotate with the lateral movement of the cleaning assembly 3.

[0036] There are two positioning rollers; the two rollers are arranged up and down, and can be better buckled on the side of the hemp removing roller to ensure the lateral movement stability of the cleaning component 3.

[0037] The flexible contact mechanism also includes a U-shaped card 344, a sleeve 345, a mounting bolt 346, a mounting nut 347, a lock nut 348, and a mounting seat 349; the mounting seat 349 is installed on the side of the box body 33 facing away from the tip 3211; the closed section of the U-shaped card 344 is provided with an outwardly extending screw 3441; after the screw 3441 is threadedly engaged with the mounting seat 349, it is threadedly engaged with the lock nut 348; the lock nut 348 is abutted against the mounting seat 349; the mounting bolt 346 vertically penetrates the open end of the U-shaped card 344; after the mounting bolt 346 passes through the center of the roller and the sleeve from one side of the U-shaped card 344, it is threadedly engaged with the mounting nut 347 on the other side of the U-shaped card 344; the sleeve is arranged between the two rollers; the roller is detachably installed to facilitate installation and replacement; the lock nut 348 can ensure the horizontal state of the roller.

[0038] The positioning roller is a ball bearing 341, which can reduce the friction of the roller rotation.

[0039] A slide block 334 is installed on the inner wall of the box body 33; the slide block 334 is provided with a slide 3341 that slidably cooperates with the end of the cleaning block; the cooperation between the slide 3341 and the end of the cleaning comb 32 provides guidance for the extension and retraction of the comb teeth 321.

[0040] The automatic cleaning device for hemp fibers also includes a column 4, a vertical plate 5, a driving motor 6, a gear 7, a rack 8, and an L-shaped seat plate 9; there are two longitudinal movement components, which are symmetrically arranged on both sides of the vertical plate 5, including a sliding longitudinal movement track 11 and a longitudinal movement slider 12; the longitudinal movement track 11 and the longitudinal movement slider 12 cooperate to provide guidance for the longitudinal movement of the cleaning component 3; the two ends of the vertical plate 5 are connected to the longitudinal movement slider 12 through the column 4; the transverse movement component includes a sliding transverse movement track 21 and a transverse movement slider 22; the cleaning component 3 and the driving motor 6 are both installed on the L-shaped seat plate 9; the transverse movement track 21 is installed on the front side of the vertical plate 5; the rack 8 is installed on the back side of the vertical plate 5; the output shaft of the driving motor 6 is connected to the gear 7; the gear 7 is meshed with the rack 8; the driving motor 6 outputs a torque, which acts on the rack 8 through the gear 7 to make the cleaning component 3 move laterally; the cooperation between the transverse movement track 21 and the transverse movement slider 22 provides guidance for the transverse movement of the cleaning component 3.

[0041] The working process of this embodiment includes the following steps:

[0042] ① The comb teeth 321 are against the hemp removal roller

[0043] The external power pushes the cleaning assembly 3 longitudinally, so that the longitudinal sliding block 12 moves forward along the longitudinal moving track 11; at this time, the cleaning assembly 3 is at the leftmost end of the transverse moving track 21; the tip 3211 of the comb teeth 321 faces right; the positioning roller first abuts against the hemp removing roller; the box body 33 and the back plate 342 are pushed backward by the positioning roller;

[0044] ②Cleaning component 3: Cleaning the hemp fibers

[0045] The telescopic cylinder 31 drives the cleaning comb 32 to move forward, so that the comb teeth 321 extend forward relative to the comb tooth groove 331; the tip 3211 just touches the Velcro on the side of the hemp removing roller, hooking the hemp on the hemp removing roller; the driving motor 6 outputs torque to drive the gear 7 to rotate; the rotating gear 7 acts on the rack 8, so that the vertical plate 5 and the cleaning component 3 connected to the vertical plate 5 move right together; the tip 3211 hooks the hemp to clean the hemp adhered to the hemp removing roller; the positive pressure joint 332 blows gas through the comb tooth groove 331 to prevent the comb tooth groove 331 from being blocked; the hemp slides inward along the side of the tip 3211 to gather; a part of the side area of ​​the hemp removing roller is cleaned;

[0046] ③ Cleaning component 3 performs self-cleaning and returns

[0047] The telescopic cylinder 31 moves in the reverse direction, driving the cleaning block to move in the reverse direction; the comb teeth 321 retract into the comb tooth groove 331, and the collected flax fibers are left at the notch of the comb tooth groove 331; the blowing nozzle 333 sprays high-pressure gas, causing the flax fibers left at the notch of the comb tooth groove 331 to move downward and leave the notch of the comb tooth groove 331; the flax fiber removal roller rotates at a certain angle, so that the side of the flax fiber removal roller adjacent to the cleaned side is exposed; the driving motor 6 starts in the reverse direction, driving the gear 7 to rotate in the reverse direction; the rack 8 drives the cleaning assembly 3 to move right together, and returns to the left end of the transverse track 21;

[0048] ④The hemp removal roller is cleaned

[0049] Repeat steps ② and ③ until all sides of the hemp removal roller are cleaned.

[0050] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1, and the similarities are not repeated here. The differences are: the cleaning comb 32 is vertically arranged to facilitate the arrangement of the comb teeth 321; the slide block 334 is symmetrically arranged on the top inner wall and the bottom inner wall of the box body 33 to adapt to the vertical arrangement of the cleaning comb 32.

[0051] The length of the slide groove 3341 is comparable to the length of the comb teeth 321 , so as to ensure that the slide groove 3341 can always provide guidance for the extension and retraction of the comb teeth 321 .

Claims

1. An automatic cleaning device for hemp silk, comprising a longitudinal moving assembly, a transverse moving assembly, and a cleaning assembly; the cleaning assembly moves longitudinally through the longitudinal moving assembly and moves transversely through the transverse moving assembly; the cleaning assembly comprises a telescopic cylinder, a cleaning comb, and a box body; the cleaning comb body is arranged inside the box body; the telescopic cylinder is installed on the back of the box body; the telescopic rod of the telescopic cylinder passes through the back wall of the box body and is fixedly connected to the back of the cleaning comb; the two ends of the cleaning comb are slidably matched with the inner wall of the box body; the characteristics are as follows: A plurality of comb teeth are arranged vertically on the front end surface of the cleaning comb; the comb teeth are plate-shaped as a whole; a tip portion is extended outward at one corner of the front end of the comb teeth; and a comb tooth groove corresponding to the comb teeth is provided on the front wall of the box body.

2. The automatic hemp cleaning device according to claim 1, characterized in that: The tip extends forward.

3. The automatic hemp cleaning device according to claim 1 is characterized in that: The tip extends laterally.

4. The automatic hemp cleaning device according to claim 1 is characterized in that: The box body is provided with a positive pressure joint connected to the inside of the box body; the positive pressure joint is connected to an external positive pressure gas source.

5. The automatic hemp cleaning device according to claim 1 is characterized in that: A downward blowing nozzle is installed on the top of the box body; the blowing nozzle and the comb tooth groove are opposite to each other; and the blowing nozzle is connected to an external wind source.

6. The automatic hemp cleaning device according to claim 1, characterized in that: The cleaning assembly also includes a flexible contact mechanism; the flexible contact mechanism includes a horizontally arranged roller, a back plate, and a fixed frame; the positioning roller is rotatably connected to one side of the box body; the side of the positioning roller exceeds the front of the box body; the back of the box body is installed on the back plate; the four corners of the fixed frame are provided with front-to-back guide shafts; the four corners of the back plate are provided with through holes penetrated by the guide shafts; the guide shaft is also equipped with a reset spring; one end of the reset spring is connected to the back wall of the fixed frame, and the other end is connected to the back of the back plate.

7. The automatic hemp cleaning device according to claim 6, characterized in that: There are two positioning rollers; the two rollers are arranged up and down.

8. The automatic hemp cleaning device according to claim 1, characterized in that: A slide block is installed on the inner wall of the box body; the slide block is provided with a slide groove which is slidably matched with the end of the cleaning comb.

9. The automatic hemp cleaning device according to claim 1, characterized in that: It also includes a column, a vertical plate, a driving motor, a gear, a rack, and an L-shaped seat plate; there are two longitudinal movement components, which are symmetrically arranged on both sides of the vertical plate, including a sliding longitudinal movement track and a longitudinal movement slider; the two ends of the vertical plate are connected to the longitudinal movement slider through the column; the transverse movement component includes a sliding transverse movement track and a transverse movement slider; the cleaning component and the driving motor are both installed on the L-shaped seat plate; the transverse movement track is installed on the front side of the vertical plate; the rack is installed on the back side of the vertical plate; the output shaft of the driving motor is connected to the gear; the gear is meshed with the rack.

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