CN107594586B - Peanut removes root machine - Google Patents

Abstract

The invention discloses a peanut root removing machine which is characterized by comprising a shell, a swinging device and a root removing device, wherein the swinging device comprises a screen which is connected to the shell in a swinging mode and is obliquely arranged, a mesh enclosure is fixedly arranged at each screen opening of the screen, and a long strip-shaped cutting opening is formed in the side wall of the mesh enclosure, so that the technical effect of preventing peanuts from being smashed when the roots of the peanuts are removed is achieved.

Description

Peanut removes root machine

Technical Field

The invention relates to a peanut root removing device, in particular to a peanut root removing machine.

Background

At present, peanuts are crops which are widely planted in agriculture, the root removing of the peanuts is work which requires manpower, and various peanut root removing machines appear in order to reduce the manpower.

The prior Chinese patent with reference to application publication No. CN104904432A discloses a peanut root remover, which is characterized in that a sieve box is arranged on a bottom frame, a discharge hole is reserved at the front end of the sieve box, and a feed hopper is arranged at the rear end of the sieve box; a plurality of longitudinal screen bars are arranged in the screen box, a plurality of transverse root removing fluted disc shafts are arranged below the screen bars, one end of each root removing fluted disc shaft is provided with a root removing belt wheel, a transmission chain is arranged between the root removing fluted disc shafts, each root removing fluted disc shaft is provided with a plurality of root removing fluted discs, the upper half parts of the root removing fluted discs penetrate through gaps of the screen bars, an underlying eccentric rocker arm is arranged below the screen box, and the lower end of the eccentric rocker arm is provided with a rocker arm belt wheel; the root removing motor and the feeding motor are arranged at the lower part of the underframe, and the impurity removing port is arranged at the front end of the bottom of the sieve box.

Although the root removing effect of the prior peanut root removing machine can be achieved, how to prevent the peanuts from being broken is still a problem.

Disclosure of Invention

The invention aims to provide a peanut root remover which has the advantage of preventing peanuts from being broken when the roots of the peanuts are removed.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a peanut removes root machine, includes casing, pendulous device and removes the root device, the pendulous device is including swing connection on the casing and the screen cloth that the slope set up, every screen hole department of screen cloth all sets firmly the screen panel, it has the mouth that cuts of rectangular shape to open on the lateral wall of screen panel, the size that the width of cutting the incision is less than the peanut.

Through adopting above-mentioned scheme, the screen panel can prevent that the peanut from taking place cracked because of touch the saw bit to the root of peanut can constantly enter into the mouth that cuts on the screen panel.

Preferably, two ends of the mesh enclosure are provided with fixing teeth, and the fixing teeth are inserted into the mesh opening.

By adopting the scheme, the mesh enclosure can be further fixed on the mesh enclosure by the fixing teeth, and the peanut roots can be prevented from entering the mesh enclosure and entering the mesh enclosure by the size of the cutting opening.

Preferably, the swinging device further comprises a fixed plate fixedly arranged on the screen and a hinged wheel rod hinged on the fixed plate, the hinged wheel rods are provided with a plurality of parts and arranged on the side wall of the screen, and the upper end of the hinged wheel rod is rotatably connected with the shell.

Through adopting above-mentioned scheme, four articulated wheel poles support pendulous device and swing, and the swing process is more smooth to efficiency is higher.

Preferably, the swing device further comprises a second rotating wheel rotatably connected to the shell, a third hinge rod fixedly provided with eccentric positions on two side walls of the rotating wheel, and a second transmission rod sleeved on the third hinge rod, and the second transmission rod is rotatably connected with the screen.

Through adopting above-mentioned scheme, the swing that the swing sieve can make a round trip to with the root of peanut through continuous vibration and then enter into the screen panel and by the saw bit excision, can drive the screen cloth through the transfer line two that sets up and swing, equipment operation is simple and convenient, has increased the practicality effect of equipment.

Preferably, the root removing device comprises two groups of motor transmission assemblies fixedly connected to the shell, a plurality of front chain shafts and a plurality of rear chain shafts which are rotatably connected to the shell, and a plurality of groups of saw blades fixedly arranged on the front chain shafts and the rear chain shafts, wherein the upper ends of the saw blades protrude out of the sieve openings in the swinging device, the upper ends of the saw blades are located in the net cover, the front chain shafts and the rear chain shafts are respectively sleeved with a front chain and a rear chain, and the two groups of motor transmission assemblies respectively control the front chain shafts and the rear chain shafts to rotate.

Through adopting above-mentioned scheme, come the cutting peanut root with the multiunit saw bit, can fairly fully excise the peanut root totally.

Preferably, the front chain shaft and the rear chain shaft are respectively meshed with the front chain and the rear chain in a staggered manner.

Through adopting above-mentioned scheme, adopt crisscross meshing's mode to mesh the sprocket, the meshing compacter, rotation opposite direction between adjacent two sets of saw bits after the meshing through this kind of alternating expression, the effect of removing the root is better.

Preferably, the rear part of the shell is provided with a material homogenizing device, the material homogenizing device comprises a power device II and a material discharging groove, the power device II is fixedly connected with the material discharging groove, and the material discharging groove can horizontally slide in the shell.

Through adopting above-mentioned scheme, carry out the unloading with the feed chute that can swing, can guarantee that peanut evenly distributed is on pendulous device's screen cloth.

Preferably, the power device two comprises a rear transmission motor and an eccentric device which are fixedly arranged on the shell, and the eccentric device comprises a third rotating wheel fixedly arranged on the rear transmission motor, a fifth hinge rod fixedly arranged at the eccentric position of the third rotating wheel, and a third transmission rod sleeved on the fifth hinge rod and rotatably connected with the blanking groove.

Through adopting above-mentioned scheme, eccentric device realizes unloading silo's swing function as the swing component, compares in the swing component that only swings certain angle more high-efficient.

In conclusion, the invention has the following beneficial effects:

1. the invention adopts two chain racks to change the direction of the chain, ensures that the chain is close to the chain wheel enough and is not easy to fall off;

2. the invention adopts a plurality of groups of saw blades to cut the root of the peanut, so that the root of the peanut can be completely cut off;

3. the rotating wheel is used as the swinging element to realize the swinging function of the blanking groove, and the swinging device is more efficient compared with the swinging element which only swings at a certain angle;

4. according to the invention, the feeding groove capable of swinging is adopted for feeding, so that the peanuts can be uniformly distributed on the screen of the swinging device;

5. the transmission chain is meshed with the chain wheel in a staggered up-down direction meshing mode, so that meshing is more compact, and the rotation directions of two adjacent groups of saw blades are opposite after the staggered meshing, so that the root removing effect is better;

6. the front drive motor drives the swing device to swing by adopting the double rotating wheels, the swing process is smoother, the rotating wheel structure is more stable, and the swing device cannot deviate;

7. the rear transmission motor adopts the double-rod transmission of the transmission rod and the swinging plate to adjust the swinging track of the blanking groove, so that the blanking groove is more delicate and stable;

8. the double-commutator is adopted to drive the two chains to rotate, so that the problem caused by the meshing direction of the chains is avoided;

9. the four hinged wheel rods are adopted to support the swinging device to swing, so that the swinging process is smoother and the efficiency is higher;

10. the invention adopts the net cover arranged on the saw blade to prevent the peanuts from being cracked due to the contact with the saw blade, and simultaneously, the root parts of the peanuts can be thoroughly removed.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the internal structure of the casing in the embodiment;

FIG. 3 is a schematic structural diagram of a swing device in an embodiment;

FIG. 4 is a schematic structural view of a screen in the example;

FIG. 5 is a schematic view of the mesh enclosure of the embodiment;

FIG. 6 is an exploded view of the structure of the swing device in the embodiment;

FIG. 7 is a schematic view showing a driving structure of the root removing device in the embodiment;

FIG. 8 is a schematic structural view of a refining apparatus in an embodiment;

FIG. 9 is an exploded view of the refining apparatus according to the embodiment;

FIG. 10 is a schematic view of a connecting structure of the feed chute translation rod and the feed chute in the embodiment.

In the figure, 1, a housing; 11. a frame body; 111. fixing the rod; 12. a fixing device; 121. a motor support frame; 122. a transmission shaft fixing table; 123. a front motor frame; 124. the rear motor fixes the boss; 125. a discharging chute translation rod; 13. a feeding bin; 2. a swing device; 21. a fixing plate; 211. an articulated wheel lever; 22. screening a screen; 221. a screen port; 222. a mesh enclosure; 223. cutting the incision; 224. fixing teeth; 23. a discharge plate; 24. a front drive motor; 241. a drive axle; 242. a drive chain; 243. a chain wheel I; 25. an eccentric wheel shaft; 251. a first rotating wheel; 252. a first hinge rod; 253. a second rotating wheel; 254. a third hinge rod; 255. a second chain wheel; 26. a first transmission rod; 261. a first sleeve; 262. a second sleeve; 263. a second transmission rod; 264. a sleeve III; 265. fourthly, sleeving a sleeve; 27. a first swinging plate; 271. a second hinge rod; 272. a second swinging plate; 273. a fourth hinge rod; 3. a root removal device; 31. a front chain motor; 311. a front commutator; 312. a front drive shaft; 313. a third chain wheel; 32. a rear chain motor; 321. a rear commutator; 322. a rear drive shaft; 323. a fourth chain wheel; 33. a front chain; 34. a rear chain; 35. a front chain shaft; 351. a seventh chain wheel; 36. a rear chain shaft; 361. eighthly, a chain wheel; 37. a saw blade; 38. a front gear shaft; 381. a fifth chain wheel; 39. a rear gear shaft; 391. a sixth chain wheel; 4. a material homogenizing device; 41. a rear drive motor; 42. a motor transfer rod; 421. a third rotating wheel; 422. a fifth hinged rod; 43. a third transmission rod; 431. a fifth sleeve; 432. a sleeve sixth; 44. a swing plate III; 441. a hinge rod six; 45. a discharging groove; 451. and connecting the holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a peanut root removing machine combines a figure 1 and a figure 2 and comprises a shell 1, a swing device 2, a root removing device 3 and a refining device 4.

Referring to fig. 1 and 2, the casing 1 includes a frame body 11, a fixing device 12 and a feeding bin 13, two frame bodies 11 are placed on the ground, a fixing rod 111 is fixedly arranged at the upper end of the frame body 11, the fixing device 12 is arranged between the frame bodies 11, the fixing device 12 includes a motor support frame 121, a transmission shaft fixing platform 122, a front motor frame 123, a rear motor fixing boss 124 and a feeding chute translation rod 125 (refer to fig. 10), the motor support frame 121 is fixedly arranged at the lower end of the frame body 11, the transmission shaft fixing platform 122 is fixedly connected between the two frame bodies 11, the front motor frame 123 is fixedly arranged on the ground, the rear motor fixing boss 124 is fixedly arranged on the inner wall of the frame body 11, the feeding bin 13 is fixedly arranged at the upper part of the frame body 11, the feeding bin 13.

Referring to fig. 2 and 3, the swing device 2 is disposed in the housing 1, the swing device 2 includes a hinged wheel rod 211, a screen 22, a mesh enclosure 222, a front transmission motor 24 and an eccentric wheel shaft 25, fixing plates 21 are disposed on two sides of the screen 22, four hinged wheel rods 211 are disposed on a side wall of the screen 22, an upper end of each hinged wheel rod 211 is hinged to the frame 11, and a lower end of each hinged wheel rod 211 is hinged to the fixing plate 21 on the screen 22, so that the screen 22 can swing to a certain extent.

With reference to fig. 4 and 5, the positions of the sieve openings 221 in the sieve 22 are the same, each sieve opening 221 is provided with a mesh enclosure 222, the mesh enclosure 222 is fixedly arranged on the sieve 22, the two sides of the mesh enclosure 222 are provided with cutting openings 223 with different sizes, two ends of the mesh enclosure 222 are provided with fixing teeth 224, the fixing teeth 224 are inserted into the sieve openings 221, the width of the cutting openings 223 is smaller than the size of peanuts, the peanuts are difficult to enter the cutting openings, the sieve 22 is fixedly provided with the discharge plate 23, and the discharge plate 23 is inclined inwards.

Referring to fig. 3 and 6, the front driving motor 24 is disposed at the rear of the screen 22 (refer to fig. 1) and is fixedly disposed on the front motor frame 123 (refer to fig. 2), the front motor frame 123 is fixedly connected with a driving wheel shaft 241, a first chain wheel 243 is fixedly disposed in front of the driving wheel shaft 241, the eccentric wheel shaft 25 is disposed in front of the front driving motor 24, a second chain wheel 255 is fixedly disposed in the middle of the eccentric wheel shaft 25, the eccentric wheel shaft 25 is rotatably connected to the driving shaft fixing table 122 connected to the frame body 11 (refer to fig. 2), and a driving chain 242 is engaged with the first chain wheel 243 of the driving wheel shaft 241 and the second chain wheel 255 of the eccentric wheel shaft 25.

The two ends of the eccentric wheel shaft 25 are fixedly provided with a first rotating wheel 251 and a second rotating wheel 253, the two sides of the first rotating wheel 26 are provided with a first transmission rod 263, one end, corresponding to the eccentric wheel shaft 25, of the first transmission rod 26 is provided with a first sleeve 261, one end, corresponding to the eccentric wheel shaft 25, of the second transmission rod 263 is provided with a third sleeve 264, the first rotating wheel 251 on the left side of the eccentric wheel shaft 25 is fixedly provided with a first hinge rod 252, the first hinge rod 252 is hinged with the first sleeve 261 on the first transmission rod 26, the other end of the first transmission rod 26 is provided with a second sleeve 262, the front part of the first transmission rod 26 is provided with a first swing plate 27, the upper end of the first swing plate 27 is welded with the screen 22, a second hinge rod 271 is arranged below.

The rotating wheel II 253 is provided with a hinge rod III 254, a sleeve III 264 on the transmission rod II 263 is hinged with the hinge rod III 254, one end of the transmission rod II 263, which is close to the screen mesh 22, is provided with a sleeve IV 265, a swing plate II 272 is arranged in front of the transmission rod II 263, the lower part of the swing plate II 272 is provided with a hinge rod IV 273, the upper end of the swing plate II 272 is welded on the screen mesh 22, the hinge rod IV 273 is hinged with the sleeve IV 265 on the transmission rod II 263, and the swing plate I27 and the swing plate II 272 are at the same horizontal height.

Referring to fig. 2 and 7, the root removing device 3 includes a front-chain motor 31, a rear-chain motor 32, a front chain 33, a rear chain 34, a front-chain shaft 35, a rear-chain shaft 36, a front gear shaft 38 and a rear gear shaft 39, the front-chain motor 31 and the rear-chain motor 32 are fixedly connected to a motor support frame 121, the front end of the front-chain motor 31 is connected to a front commutator 311, a front transmission shaft 312 is fixedly disposed on one side of the front commutator 311 close to the frame body 11, a third sprocket 313 is fixedly disposed on the front transmission shaft 312, a rear commutator 321 is connected to the rear end of the rear-chain motor 32, a rear transmission shaft 322 is disposed on one side of the rear commutator 321 close to the frame body 11 (refer to fig. 2), a fourth sprocket 323 is fixedly disposed on the rear transmission shaft 322, the front commutator 311 and the rear commutator 321 are respectively fixedly disposed on the motor support frame 121, three rear-chain shafts 36, eight sprockets 361 are fixedly disposed on the rear-chain shaft 36, four front-chain shafts 35 are fixedly disposed on the front-, seven chain shafts on the rear chain shaft 36 and the front chain shaft 35 are uniformly and rotatably connected to the frame body 11, the front gear shaft 38 is fixedly arranged at the front end of the frame body 11, the chain wheel five 381 is fixedly arranged on the front gear shaft 38, the rear gear shaft 39 is arranged at the rear end of the frame body 11, the chain wheel six 391 is fixedly arranged on the rear gear shaft 39, chain wheels on the front chain shaft 35, the front transmission shaft 312 and the front gear shaft 38 are meshed with the front chain 33, the chain wheels on the rear chain shaft 36 and the rear transmission shaft 322 and the rear gear shaft 39 are meshed with the rear chain 34, the chain wheels seven 351 on the front chain shaft 33 and the front chain shaft 35 are meshed in a staggered direction mode, and the meshing mode of the rear chain 34 and the front chain 33 is the same.

A plurality of circular saw blades 37 are uniformly and fixedly arranged on the rear chain shaft 36 and the front chain shaft 35, the upper ends of the saw blades 37 protrude out of the screen openings 221 on the screen 22, and the upper ends are positioned in the mesh cover 222.

Referring to fig. 8 and 9, the material mixing device 4 (refer to fig. 1) is disposed below the material feeding bin 13, the material mixing device 4 includes a rear transmission motor 41, a transmission rod three 43 and a material discharging slot 45, the rear transmission motor 41 is fixedly disposed on a rear motor fixing boss 124 (refer to fig. 3), a motor transmission rod 42 is fixedly disposed on a rotating shaft of the rear transmission motor 41, a rotating wheel three 421 is disposed on the motor transmission rod 42, a hinge rod five 422 is fixedly disposed on the rotating wheel three 421, a sleeve five 431 is disposed at one end of the transmission rod three 43 close to the rotating wheel three 421, the sleeve five 431 of the transmission rod three 43 is hinged to the hinge rod five 422, a sleeve six 432 is fixedly disposed at the other end of the transmission rod three 43, a swing plate three 44 is disposed at the front end of the transmission rod three 43, a hinge rod six 441 is disposed at the lower portion of the swing plate three 44, the swing plate three 44 is welded to the material discharging slot 45, the sleeve six 441 is hinged to the sleeve 432, the third swinging plate 44 is provided with a connecting hole 451 (see fig. 10), and the feeding chute translation rod 125 is inserted into the connecting hole 451 (see fig. 2).

The specific operation process is as follows:

firstly, peanuts without roots are placed in the feeding bin 13, the upper end of the feeding bin 13 is funnel-shaped, the peanuts are guaranteed not to spill out of the feeding bin 13, the feeding bin 13 sends the inner peanuts into the lower trough 45 below, the lower trough 45 inclines downwards at a certain angle, the peanuts can be guaranteed to descend slowly, the lower trough 45 provides power through the rear transmission motor 41 below, the rear transmission motor 41 transmits the power to the three rotating wheels 421, the five hinged rods 422 on the three rotating wheels 421 are not fixedly arranged at the central positions of the three rotating wheels 421, the three rotating wheels 421 can drive the six transmission rods to swing back and forth, the three rotating plates 44 are driven to drive the lower trough 45 to swing back and forth, and the lower trough translation rods 125 inserted by the three rotating plates 44 can support the lower trough 45 to move back and forth.

The feeding chute 45 swings back and forth to drive the peanuts to fall to different positions of the screen 22, so that the peanuts are uniformly distributed on the upper portion of the screen 22, meanwhile, the screen 22 is subjected to the force of the front transmission motor 24, the front transmission motor 24 transmits power to the transmission wheel shaft 241 through chain transmission, the transmission wheel shaft 241 transmits the power to the eccentric wheel shaft 25, and the eccentric wheel shaft 25 transmits the power to the first rotating wheel 251 and the second rotating wheel 253 on the two sides.

The first rotating wheel 251 rotates to drive the first transmission rod 26 to reciprocate, and the first transmission rod 26 drives the first lower swinging plate 27 to reciprocate.

The second rotating wheel 253 drives the second transmission rod 263 to swing back and forth through the third hinge rod 271 at the front end, and the second transmission rod 263 drives the second swing plate 272 to swing.

Since the positions of the first swing plate 27 and the second swing plate 272 are at the same level, the screen 22 is driven by the front driving motor 24 to swing up and down in a downward-inclined manner without deviation.

After the screen mesh 22 swings, the front chain motor 31 and the rear chain motor 32 start to work, the power of the two motors drives the front chain 33 and the rear chain 34 to rotate after being reversed through the reverser, the front chain 33 and the rear chain 34 further drive the front chain shaft 35 and the rear chain shaft 36 to rotate, the front chain shaft 35 and the rear chain shaft 36 drive the saw blades 37 fixedly connected to the front chain shaft to rotate, the front chain 33 and the rear chain 34 are meshed with the chains through the staggered up-down direction in a meshed mode, the meshed modes are more compact, the loosening of the chains cannot occur, the rotating directions of the two adjacent groups of saw blades 37 are opposite after the meshed modes are meshed in a staggered mode, and the root removing effect is better.

After the peanuts enter the screen 22, the peanuts gradually move downwards due to the swinging of the screen 22 and the gravity, and when the peanuts pass through the mesh enclosure 222 covering the saw blade 37 while moving downwards, the roots of the peanuts enter the mesh enclosure 222 through the swinging of the screen 22, the peanuts cannot enter the mesh enclosure 222, the roots of the peanuts are cut off by the saw blade 37 in the mesh enclosure 222 after entering the mesh enclosure 222, the peanuts enter the spaces among the mesh enclosure 222 in the next row and enter the next round of root removal, seven root removal processes are carried out due to the seven layers of saw blades 37, after the roots of the peanuts are removed for multiple times, the roots of the peanuts are basically cleaned, and if a small amount of peanuts are not cleaned, the peanuts can be poured into the feeding bin 13 for secondary root removal.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a peanut removes root machine, includes casing (1), pendulous device (2) and removes root device (3), its characterized in that: the swinging device (2) comprises a screen (22) which is connected to the shell (1) in a swinging mode and is obliquely arranged, a net cover (222) is fixedly arranged at each screen opening (221) of the screen (22), a strip-shaped cutting opening (223) is formed in the side wall of the net cover (222), and the width of the cutting opening (223) is smaller than the size of peanuts; remove root device (3) including fixed connection two sets of motor drive assembly, rotation on casing (1) are connected many preceding chain axle (35) and many back chain axle (36) on casing (1) and set firmly preceding chain axle (35) with multiunit saw bit (37) on back chain axle (36), saw bit (37) upper end protrusion screen mouth (221) and the upper end on pendulous device (2) are located in screen panel (222), overlap respectively on preceding chain axle (35) and the back chain axle (36) and be equipped with preceding chain (33) and back chain (34), two sets of motor drive assembly are preceding chain (33) and back chain (34) control preceding chain axle (35) and back chain axle (36) rotation respectively.

2. The peanut uprooting machine of claim 1, wherein: two ends of the mesh enclosure (222) are provided with fixing teeth (224), and the fixing teeth (224) are inserted into the sieve opening (221).

3. The peanut uprooting machine of claim 1, wherein: the swing device (2) further comprises a fixing plate (21) fixedly arranged on the screen (22) and hinged wheel rods (211) hinged to the fixing plate (21), the hinged wheel rods (211) are multiple in number and arranged on the side wall of the screen (22), and the upper ends of the hinged wheel rods (211) are rotatably connected with the shell (1).

4. A peanut uprooter as claimed in claim 3, wherein: the swinging device (2) further comprises a second rotating wheel (253) rotatably connected to the shell (1), a third hinge rod (254) fixedly arranged at the eccentric position of the side wall of the second rotating wheel (253), and a second transmission rod (263) sleeved on the third hinge rod (254), wherein the second transmission rod (263) is rotatably connected with the screen (22).

5. The peanut uprooting machine of claim 1, wherein: the front chain shaft (35) and the rear chain shaft (36) are respectively meshed with the front chain (33) and the rear chain (34) in a staggered mode.

6. The peanut uprooting machine of claim 1, wherein: the improved material mixing device is characterized in that a material mixing device (4) is arranged at the rear part of the shell (1), the material mixing device (4) comprises a power device II and a discharging groove (45), the power device II is fixedly connected with the discharging groove (45), and the discharging groove (45) can horizontally slide in the shell (1).

7. The peanut uprooting machine of claim 6, wherein: the power device II comprises a rear transmission motor (41) and an eccentric device, wherein the rear transmission motor (41) and the eccentric device are fixedly arranged on the shell (1), the eccentric device comprises a rotating wheel III (421) fixedly arranged on the rear transmission motor (41), a hinged rod V (422) fixedly arranged at the eccentric position of the rotating wheel III (421) and a transmission rod III (43) which is sleeved on the hinged rod V (422) and is rotatably connected with the blanking groove (45).

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