CN214025952U - A equidistant automatic slicing machine device of medicinal material for chinese-medicinal material processing - Google Patents

Abstract

The utility model provides a equidistant automatic slicing device of medicinal material for chinese-medicinal material processing, the utility model relates to a chinese-medicinal material processing technology field, the workstation bottom is fixed with the stabilizer blade, be located on the bull stick between the bar through-hole that driving gear and wheel carrier below were seted up, be located on the bull stick between the bar through-hole that driven gear and wheel carrier below were seted up and be located on the bull stick No. two between the bar through-hole that reversing gear and wheel carrier below were seted up and all overlap and be equipped with the wheel, driving gear and several reversing gear intermeshing, the fixed plate bottom is fixed with the baffle, the cutter is located the right side of baffle, wheel and rack intermeshing, be fixed with the limiting plate, the limiting plate is located the right side of removing the frame, and reasonable in design can impel the chinese-medicinal material automatically and cut into slices, can adjust required sliced thickness according to the demand.

Description

A equidistant automatic slicing machine device of medicinal material for chinese-medicinal material processing

Technical Field

The utility model relates to a well pharmaceutical processing technology field, concretely relates to equidistant automatic slicing device of medicinal material for well pharmaceutical processing.

Background

The Chinese medicine is mainly from natural medicine and its processed product, including plant medicine, animal medicine, mineral medicine and partial chemical and biological product medicine, and because the Chinese medicine uses plant medicine mostly, so that it has the expression of "all the medicines are based on grass", and its slicing process is an important process in Chinese medicine processing, and its action is to slice the soft and hard root stems of stem, leaf, grass, bark and fruit into slices, for example, isatis root slice and licorice root slice, etc. which are seen in daily life. Traditional chinese-medicinal material processing section technology, often carry out the removal and the section of chinese-medicinal material through the manual work, make the thickness of the traditional chinese medicine piece of cutting differ, and then the product quality of traditional chinese medicine piece has been influenced, and sliced work efficiency is lower artificially, and then the sliced cost of manufacture of traditional chinese medicine has been promoted, some enterprises adopt the slicer to slice, promote section efficiency to a certain extent, traditional slicer is because the removal of chinese-medicinal material still needs artifical assistance, make the traditional chinese medicine piece of cutting, still there is the phenomenon that partial thickness differs, urgent need for improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's equidistant automatic slicing device of medicinal material for chinese-medicinal material processing, can impel the section with the chinese-medicinal material automatically, can adjust required sliced thickness according to the demand.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a workbench and support legs, wherein the support legs are fixed at the bottom of the workbench; the automatic cutting machine also comprises a fixing frame, a first fixing plate, a first electric telescopic rod, a wheel carrier, a sliding block, a spring, a first bearing, a first motor, a first rotating rod, a driving gear, a second rotating rod, a reversing gear, a wheel, a supporting rod, a second fixing plate, a baffle plate, a second electric telescopic rod, a cutter, an interval frame, a moving frame, a threaded twisting head, a second bearing, a third rotating rod, a gear, a rack, a third electric telescopic rod, a third fixing plate, a fourth electric telescopic rod and a limiting plate, wherein the left side and the right side of the workbench are respectively provided with a first sliding groove, the wheel carrier is movably arranged in the first sliding groove, the front side wall and the rear side wall of the workbench are respectively fixed with the fixing frame, the first fixing plate is fixed on the first fixing plate, the first electric telescopic rod is fixed on the first fixing plate, the output end of the first electric telescopic rod is fixed with the outer side wall of the wheel carrier, the sliding block is movably arranged in the upper sliding groove and the lower sliding groove of the wheel carrier, a plurality of first bearings are embedded and fixed in openings on the sliding block, a first motor is fixed with the sliding block above by a motor fixing frame, one end of a rotating rod passes through a strip-shaped through hole arranged on a sliding chute below the wheel frame and then is inserted in the first bearing below, the other end of the first rotating rod passes through the strip-shaped through hole arranged on the sliding chute above the wheel frame and then the through hole on the sliding block above and the first bearing above and then is fixed with an output shaft of the first motor by a coupler, a driving gear is sleeved and fixed on the first rotating rod, two ends of a second rotating rod respectively pass through the strip-shaped through holes arranged on the sliding chute above and below the wheel frame and then are inserted in the first bearings corresponding up and down, a reversing gear is sleeved and fixed on the second rotating rod, two ends of a fourth rotating rod respectively pass through the strip-shaped through holes arranged on the sliding chute above and below the wheel frame and then are inserted in the first bearings corresponding up and down, and a driven gear is sleeved and fixed on the fourth rotating rod, the first rotating rod is positioned between the driving gear and the strip-shaped through hole arranged below the wheel carrier, the fourth rotating rod is positioned between the driven gear and the strip-shaped through hole arranged below the wheel carrier, and the second rotating rod is positioned between the reversing gear and the strip-shaped through hole arranged below the wheel carrier, wheels are sleeved on the driving gear, the driven gear and the reversing gear, the front section and the rear section on the workbench are respectively and correspondingly fixed with a supporting rod at the left and the right, the supporting rod is fixed with the bottom of the second fixing plate, a baffle is fixed at the bottom of the fixing plate, a second electric telescopic rod is fixed on the fixing plate, the output end of the second electric telescopic rod passes through the through hole on the fixing plate and is fixed with the cutter, the cutter is positioned at the right side of the baffle, the spacing frame is fixed with the bottom of the fixing plate, the spacing frame is positioned at the right side of the cutter, a second bearing is embedded and fixed in the opening on the front side wall of the spacing frame, one end of the third rotating rod is fixed with the threaded twisting head, the other end of the third rotating rod is screwed and penetrates through a threaded hole in the rear side wall of the spacing frame and then is inserted into a second bearing, a gear is fixedly sleeved on the third rotating rod positioned in the spacing frame, a second sliding groove is formed in the front side wall and the rear side wall of an inner cavity of the spacing frame, the movable frame is movably arranged in the spacing frame, the front end and the rear end of the rack are movably arranged in the second sliding groove, the rack is fixed with the inner side wall of the movable frame, the gear and the rack are meshed with each other, a third electric telescopic rod is fixed on the second fixing plate, a third fixing plate is fixed on the output end of the third electric telescopic rod, a fourth electric telescopic rod is fixed on the third fixing plate, a limiting plate is fixed after the output end of the fourth electric telescopic rod penetrates through holes in the third fixing plate and strip-shaped through holes formed in the second fixing plate, the limiting plate is positioned on the right side of the movable frame, and the first electric telescopic rod, the first motor, the second electric telescopic rod and the second electric telescopic rod are positioned on the right side of the movable frame, No. three electric telescopic handle and No. four electric telescopic handle all external power.

Furthermore, rubber anti-skidding foot pads are fixed at the bottoms of the support legs.

Furthermore, a rubber anti-slip ring is sleeved and fixed on the peripheral wall of the wheel.

Further, the workstation on set up flutedly, utilize the motor mount to be fixed with No. two motors on the rear side wall of workstation, it is fixed with No. three bearings to inlay in the opening on the workstation front side wall, the one end axle of drive roll is inserted and is established in No. three bearings, the other end axle of drive roll passes behind the through-hole on the workstation rear side wall after, it is fixed with the output of No. two motors to utilize the shaft coupling, it is fixed with No. four bearings all to inlay in the opening on the workstation front and back lateral wall, the both ends axle of driven voller is inserted respectively and is established in corresponding No. two No. four bearings in the front and back, the drive roll utilizes transmission belt transmission with the driven voller to be connected, No. two motor external power supplies.

After the structure is adopted, the beneficial effects of the utility model are that: the utility model provides a equidistant automatic slicing device of medicinal material for chinese-medicinal material processing, reasonable in design can impel the section with the chinese-medicinal material automatically, can adjust required sliced thickness according to the demand.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 1.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is an enlarged view of the portion C in fig. 3.

Fig. 6 is an enlarged view of a portion D in fig. 4.

Fig. 7 is a schematic view of the connection between the middle wheel and the rubber anti-slip ring according to the present invention.

Description of reference numerals:

the device comprises a workbench 1, supporting legs 2, a fixing frame 3, a first fixing plate 4, a first electric telescopic rod 5, a first sliding groove 6, a wheel carrier 7, a sliding block 8, a spring 9, a first bearing 10, a first motor 11, a first rotating rod 12, a driving gear 13, a second rotating rod 14, a reversing gear 15, a wheel 16, a supporting rod 17, a second fixing plate 18, a baffle plate 19, a second electric telescopic rod 20, a cutter 21, a spacing frame 22, a moving frame 23, a threaded screwing head 24, a second bearing 25, a third rotating rod 26, a gear 27, a second sliding groove 28, a rack 29, a third electric telescopic rod 30, a third fixing plate 31, a fourth electric telescopic rod 32, a limiting plate 33, a rubber anti-skid foot pad 34, a rubber anti-skid ring 35, a second motor 36, a third bearing 37, a driving roller 38, a fourth bearing 39, a driven roller 40, a driving belt 41, a groove 42, a fourth rotating rod 43 and a driven gear 44.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the anti-skid rubber foot pad comprises a workbench 1 and support legs 2, wherein the support legs 2 are fixedly welded at the bottom of the workbench 1, and the rubber anti-skid foot pads 34 are fixedly bonded at the bottoms of the support legs 2; the device also comprises a fixed frame 3, a first fixed plate 4, a first electric telescopic rod 5, a wheel carrier 7, a slide block 8, a spring 9, a first bearing 10, a first motor 11, a first rotating rod 12, a driving gear 13, a second rotating rod 14, a reversing gear 15, a wheel 16, a support rod 17, a second fixed plate 18, a baffle plate 19, a second electric telescopic rod 20, a cutter 21, a spacing frame 22, a moving frame 23, a threaded twisting head 24, a second bearing 25, a third rotating rod 26, a gear 27, a rack 29, a third electric telescopic rod 30, a third fixed plate 31, a fourth electric telescopic rod 32 and a limit plate 33, wherein the first sliding groove 6 is formed in the left side and the right side of the workbench 1, the wheel carrier 7 is movably arranged in the first sliding groove 6, the fixed frame 3 is welded and fixed on the front side wall and the rear side wall of the workbench 1, the first fixed plate 4 is welded and fixed on the fixed frame 3, the first electric telescopic rod 5 is riveted and fixed on the first fixed plate 4, the output end of the first electric telescopic rod 5 is welded and fixed with the outer side wall of the wheel carrier 7, a slide block 8 is movably arranged in the upper and lower chutes of the wheel carrier 7, a plurality of first bearings 10 are embedded and fixed in the opening of the slide block 8, a first motor 11 is welded and fixed with the upper slide block 8 by using a motor fixing frame, one end of a rotating rod 12 passes through a strip-shaped through hole arranged on the chute below the wheel carrier 7 and is inserted into the lower first bearing 10, the other end of the first rotating rod 12 passes through a strip-shaped through hole arranged on the chute above the wheel carrier 7 and on the upper slide block 8 and the upper first bearing 10 and is fixed with the output shaft of the first motor 11 by using a coupler, a driving gear 13 is sleeved and fixed on the first rotating rod 12, a wheel 16 is sleeved and fixed on the first rotating rod 12 positioned between the driving gear 13 and the strip-shaped through hole arranged below the wheel carrier 7, and two ends of the second rotating rod 14 pass through the strip-shaped through holes arranged on the chute above and below the wheel carrier 7 respectively, the two-number rotating rod 14 is sleeved and fixed with a reversing gear 15, the two-number rotating rod 14 positioned between the reversing gear 15 and a strip-shaped through hole arranged below a wheel carrier 7 is movably provided with a wheel 16 by utilizing a bearing, two ends of a four-number rotating rod 43 respectively penetrate through the strip-shaped through hole arranged on a sliding chute arranged below the wheel carrier 7 and then are inserted into the two-number corresponding bearing 10, the four-number rotating rod 43 is sleeved and fixed with a driven gear 44, the four-number rotating rod 43 positioned between the driven gear 44 and the strip-shaped through hole arranged below the wheel carrier 7 is sleeved and fixed with the wheel 16, a driving gear 13, the driven gear 44 and the reversing gear 15 are mutually meshed, a rubber anti-skid ring 35 is sleeved and fixed on the peripheral wall of the wheel 16, a supporting rod 17 is welded and fixed on the left and right corresponding sections of the front and rear sections of the workbench 1, and the supporting rod 17 is welded and fixed with the bottom of a two-number fixing plate 18, a baffle plate 19 is fixedly welded at the bottom of the fixed plate 18, a second electric telescopic rod 20 is fixedly riveted on the fixed plate 18, the output end of the second electric telescopic rod 20 penetrates through a through hole on the fixed plate 18 and then is fixedly welded with the cutter 21, the cutter 21 is positioned at the right side of the baffle plate 19, an interval frame 22 is fixedly welded with the bottom of the fixed plate 18, the interval frame 22 is positioned at the right side of the cutter 21, a second bearing 25 is fixedly embedded in an opening on the front side wall of the interval frame 22, one end of a third rotating rod 26 is fixedly welded with a threaded screw head 24, the other end of the third rotating rod 26 is screwed and penetrates through a threaded hole on the rear side wall of the interval frame 22 and is inserted into the second bearing 25, a gear 27 is fixedly sleeved on the third rotating rod 26 positioned in the interval frame 22, a second sliding groove 28 is respectively arranged on the front and rear side walls of an inner cavity of the interval frame 22, the movable frame 23 is arranged in the interval frame 22, the front and rear ends of a rack 29 are movably arranged in the second sliding groove 28, the rack 29 is welded and fixed with the inner side wall of the moving frame 23, the gear 27 is meshed with the rack 29, the second fixing plate 18 is fixedly riveted with a third electric telescopic rod 30, the output end of the third electric telescopic rod 30 is fixedly welded with a third fixing plate 31, the third fixing plate 31 is fixedly riveted with a fourth electric telescopic rod 32, the output end of the fourth electric telescopic rod 32 passes through a through hole on the third fixing plate 31 and a strip-shaped through hole on the second fixing plate 18, and is fixedly welded with a limiting plate 33, the limiting plate 33 is positioned at the right side of the moving frame 23, a groove 42 is arranged on the workbench 1, the second motor 36 is fixedly riveted and fixed on the rear side wall of the workbench 1 by a motor fixing frame, a third bearing 37 is embedded and fixed in an opening on the front side wall of the workbench 1, one end shaft of the driving roller 38 is inserted in the third bearing 37, the other end shaft of the driving roller 38 passes through a through hole on the rear side wall of the workbench 1, utilize the shaft coupling to be fixed with No. two motor 36's output, all inlay in the opening on workstation 1 front and back lateral wall and be fixed with No. four bearings 39, the both ends axle of driven voller 40 is inserted respectively and is established in corresponding No. four bearings 39 in front and back, drive roll 38 utilizes drive belt 41 transmission with driven voller 40 to be connected, electric telescopic handle 5, No. one motor 11, No. two electric telescopic handle 20, No. three electric telescopic handle 30, No. four electric telescopic handle 32 and No. two motor 36 all external power supplies.

The working principle of the specific embodiment is as follows: the traditional Chinese medicine is placed between a front wheel frame 7 and a rear wheel frame 7, a first electric telescopic rod 5 is started to drive the wheel frames 7 to move towards the middle to clamp the traditional Chinese medicine, a third electric telescopic rod 30 is started to drive a limiting plate 33 to move, a thread twisting head 24 is rotated to drive a gear 27 to rotate simultaneously, a rack 29 moves to drive a moving frame 23 to move, the thickness of a required slice is adjusted, a first motor 11, a second electric telescopic rod 20 and a fourth electric telescopic rod 32 are started, the fourth electric telescopic rod 32 drives the limiting plate 33 to move downwards to a workbench 1, the first motor 11 rotates to drive a driving gear 13 to rotate, the traditional Chinese medicine is driven to move rightwards until the right end of the traditional Chinese medicine abuts against the limiting plate 33, a second electric telescopic rod 20 is started to drive a cutter 21 to move downwards to slice the traditional Chinese medicine, after the slice is finished, the second electric telescopic rod 20 and the fourth electric telescopic rod 32 retract, and a second motor 36 is started to drive a driving roller 38 to rotate, the driving belt 41 is driven to move rightwards, and the sliced traditional Chinese medicinal materials are driven to move rightwards.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the fixing frame 3, the first fixing plate 4, the first electric telescopic rod 5, the first sliding chute 6 and the wheel carrier 7 are matched to conveniently clamp the traditional Chinese medicinal materials,

2. the slide block 8 is matched with the spring 9, so that the traditional Chinese medicine with uneven thickness can be conveniently clamped;

3. the first bearing 10, the first motor 11, the first rotating rod 12, the driving gear 13, the second rotating rod 14, the reversing gear 15, the wheel 16, the fourth rotating rod 43 and the driven gear 44 are matched, so that the traditional Chinese medicinal materials are driven to automatically displace for slicing;

4. the baffle 19, the second electric telescopic rod 20, the cutter 21, the spacing frame 22, the moving frame 23, the threaded screw head 24, the second bearing 25, the third rotating rod 26, the gear 27, the second sliding groove 28 and the rack 29 are matched, so that the traditional Chinese medicine can be sliced, the slicing thickness can be adjusted, and when the cutter is stuck, the cutter 21 retracts to the baffle 19 and the spacing frame 22, and the stuck traditional Chinese medicine can be scraped;

5. the third electric telescopic rod 30, the third fixing plate 31, the fourth electric telescopic rod 32 and the limiting plate 33 are matched to prevent the Chinese medicinal materials from continuously moving during slicing;

6. the second motor 36, the third bearing 37, the driving roller 38, the fourth bearing 39, the driven roller 40 and the transmission belt 41 are matched, so that cut Chinese medicinal material slices can be conveniently moved out;

7. the rubber anti-slip foot pad 34 increases the friction force between the device and the ground;

8. the rubber anti-slip ring 35 increases the friction force between the wheel 16 and the Chinese medicinal materials.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (4)

1. An equidistant automatic slicing device for traditional Chinese medicinal materials comprises a workbench (1) and support legs (2), wherein the support legs (2) are fixed at the bottom of the workbench (1); the method is characterized in that: the device also comprises a fixed frame (3), a first fixed plate (4), a first electric telescopic rod (5), a wheel carrier (7), a sliding block (8), a spring (9), a first bearing (10), a first motor (11), a first rotating rod (12), a driving gear (13), a second rotating rod (14), a reversing gear (15), a wheel (16), a supporting rod (17), a second fixed plate (18), a baffle (19), a second electric telescopic rod (20), a cutter (21), a spacing frame (22), a moving frame (23), a threaded twisting head (24), a second bearing (25), a third rotating rod (26), a gear (27), a rack (29), a third electric telescopic rod (30), a third fixed plate (31), a fourth electric telescopic rod (32) and a limiting plate (33), wherein the first sliding groove (6) is formed in the front side and the rear side of the workbench (1), the wheel carrier (7) is movably arranged in the first sliding groove (6), the front side wall and the rear side wall of the workbench (1) are respectively fixed with a fixing frame (3), the fixing frame (3) is fixed with a first fixing plate (4), the first fixing plate (4) is fixed with a first electric telescopic rod (5), the output end of the first electric telescopic rod (5) is fixed with the outer side wall of the wheel carrier (7), the upper chute and the lower chute of the wheel carrier (7) are respectively and movably provided with a slide block (8), an opening on the slide block (8) is embedded and fixed with a plurality of first bearings (10), a first motor (11) is fixed with the upper slide block (8) by the motor fixing frame, one end of a rotating rod (12) passes through a strip-shaped through hole arranged on the chute below the wheel carrier (7) and is inserted into the first bearing (10) below, the other end of the first rotating rod (12) passes through a strip-shaped through hole arranged on the chute above and below the wheel carrier (7), a through hole on the slide block (8) above and the first bearing (10) above, the shaft coupling is fixed with an output shaft of a first motor (11), a driving gear (13) is sleeved and fixed on a first rotating rod (12), two ends of a second rotating rod (14) penetrate through strip-shaped through holes formed in sliding grooves in the upper portion and the lower portion of a wheel carrier (7) respectively and are inserted into a first bearing (10) corresponding to the upper portion and the lower portion, a reversing gear (15) is sleeved and fixed on the second rotating rod (14), two ends of a fourth rotating rod (43) penetrate through strip-shaped through holes formed in sliding grooves in the upper portion and the lower portion of the wheel carrier (7) respectively and are inserted into a first bearing (10) corresponding to the upper portion and the lower portion, a driven gear (44) is sleeved and fixed on the fourth rotating rod (43), a second rotating rod (43) is positioned between the driving gear (13) and the strip-shaped through holes formed in the lower portion of the wheel carrier (7), and a fourth rotating rod (43) is positioned between the reversing gear (15) and the strip-shaped through holes formed in the lower portion of the wheel carrier (7) 14) Go up all to overlap and be equipped with wheel (16), driving gear (13), driven gear (44) and reversing gear (15) intermeshing, the equal left and right correspondence of front and back section is fixed with bracing piece (17) on workstation (1), bracing piece (17) are fixed with the bottom of No. two fixed plates (18), fixed plate (18) bottom is fixed with baffle (19), be fixed with No. two electric telescopic handle (20) on fixed plate (18), the output of No. two electric telescopic handle (20) passes the through-hole on fixed plate (18) after, fixed with cutter (21), cutter (21) are located the right side of baffle (19), interval frame (22) are fixed with the bottom of fixed plate (18), interval frame (22) are located the right side of cutter (21), it is fixed with No. two bearing (25) to inlay in the opening on interval frame (22) preceding lateral wall, the one end and the screw thread twisting head (24) of No. three bull stick (26) are fixed, the other end of No. three bull stick (26) connects soon and passes behind the screw hole on interval frame (22) rear side wall, insert and establish in No. two bearing (25), it is fixed with gear (27) to overlap on No. three bull stick (26) that are located interval frame (22), all seted up No. two spout (28) on the inner chamber front and back lateral wall of interval frame (22), it sets up in interval frame (22) to move frame (23) activity, the front and back end activity of rack (29) sets up in No. two spout (28), rack (29) are fixed with the inside wall that moves frame (23), gear (27) and rack (29) intermeshing, be fixed with No. three electric telescopic handle (30) on No. two fixed plate (18), be fixed with No. three fixed plate (31) on the output of No. three electric telescopic handle (30), be fixed with No. four electric telescopic handle (32) on No. three fixed plate (31), the output of No. four electric telescopic handle (32) passes the through-hole on No. three fixed plate (31) and the fixed plate (18) of seting up on No. two fixed plate (18) Behind the bar through-hole, be fixed with limiting plate (33), limiting plate (33) are located the right side of removing frame (23), electric telescopic handle (5), motor (11), electric telescopic handle (20), electric telescopic handle (30) and No. four electric telescopic handle (32) all external power supply.

2. The automatic slicing device with equal spacing for traditional Chinese medicinal materials in claim 1 is characterized in that: the bottom of the support leg (2) is fixed with a rubber anti-skid foot pad (34).

3. The automatic slicing device with equal spacing for traditional Chinese medicinal materials in claim 1 is characterized in that: the peripheral wall of the wheel (16) is sleeved and fixed with a rubber anti-slip ring (35).

4. The automatic slicing device with equal spacing for traditional Chinese medicinal materials in claim 1 is characterized in that: the novel automatic feeding device is characterized in that a groove (42) is formed in the workbench (1), a second motor (36) is fixed on the rear side wall of the workbench (1) through a motor fixing frame, a third bearing (37) is embedded and fixed in an opening in the front side wall of the workbench (1), one end shaft of the driving roller (38) is inserted in the third bearing (37), the other end shaft of the driving roller (38) penetrates through a through hole in the rear side wall of the workbench (1), the output end of the second motor (36) is fixed through a coupler, a fourth bearing (39) is embedded and fixed in the opening in the front side wall and the rear side wall of the workbench (1), two end shafts of the driven roller (40) are respectively inserted in two corresponding fourth bearings (39) in the front and the rear, the driving roller (38) and the driven roller (40) are in transmission connection through a transmission belt (41), and the second motor (36) is externally connected with a power supply.

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