CN114902862B - Disc type rubbing machine - Google Patents

Abstract

The application relates to a disc type rubbing machine, which relates to the rubbing field and comprises a shell, a driving assembly positioned on the shell and a cutter disc connected to the driving assembly, wherein a feed inlet and a discharge outlet are formed in the shell, a first cutter part and a second cutter part are detachably connected to the cutter disc, the first cutter part and the second cutter part are respectively positioned on two opposite circular side surfaces of the cutter disc, the first cutter part comprises two first cutter groups, the first cutter groups comprise a plurality of first crushing cutters, the second cutter part comprises two second cutter groups, the second cutter groups comprise a plurality of second crushing cutters, the first cutter parts and the second cutter parts are arranged in a staggered mode, a plurality of third crushing cutters are detachably connected to the arc-shaped side wall of the cutter disc, and fixed cutters are detachably connected in the shell, and the first crushing cutters, the second crushing cutters and the third crushing cutters face the same direction and are opposite to the fixed cutters. The application has the effects of improving the crushing effect of the rubbing machine and improving the crushing capability of plants.

Description

Disc type rubbing machine

Technical Field

The application relates to the field of rubbing, in particular to a disc rubbing machine.

Background

On a new land or area, most of the land is idle for a period of time before municipal construction or agricultural planting is carried out, the idle land can be full of trees or weeds, the environment is affected, the land must be firstly reclaimed, the trees and the weeds above the land generally need to be cleaned, the traditional cleaning mode is manual cleaning, the cleaning efficiency is low, and the workload is high. In order to solve the problem of low manual efficiency, people start to use a rubbing machine, which is the best solution to cover small-diameter trees and shrubs.

Aiming at the related technology, the inventor considers that the crushing effect of the existing disc type rubbing machine is unstable, so that partial plants cannot be crushed sufficiently, and when massive plants cannot be crushed, a cutter head is difficult to rotate, so that the rubbing machine is damaged, the land rubbing is influenced, and the environment is influenced.

Disclosure of Invention

The application provides a disc type rubbing machine in order to improve the crushing effect of the rubbing machine and improve the crushing capacity of plants.

The application provides a disc type rubbing machine which adopts the following technical scheme:

the utility model provides a disk rubbing machine, includes the casing, is located the drive assembly on the casing and connects the blade disc on the drive assembly, be equipped with feed inlet and discharge gate on the casing, can dismantle on the blade disc and be connected with first cutter portion and second cutter portion, first cutter portion and second cutter portion are located respectively on two circular sides that the blade disc is relative, first cutter portion includes two first cutter group, first cutter group includes a plurality of first crushing cutters, and a plurality of first crushing cutters set gradually along the circular arc direction, two sets of first cutter group encloses the circular arc opening direction relatively, two sets of first cutter group is crisscross to be set up, second cutter portion includes two second cutter groups, the second cutter group includes a plurality of second crushing cutters, a plurality of second crushing cutters sets up along the circular arc direction, two sets of second cutter group encloses the circular arc opening direction relatively, two sets of second cutter group set up, first cutter portion with second cutter group and second cutter group enclose the circular arc opening direction relatively, two sets up the first cutter group with second cutter group is crisscross, and the second cutter group is connected with the first crushing cutter has the first crushing cutter, and the second is connected with the first crushing cutter has the opposite side wall, and the second crushing cutter has the first crushing cutter is connected with the opposite side wall.

Through adopting above-mentioned technical scheme, drive assembly drives the blade disc and rotates fast, the feed inlet is reached to the plant, through the rotation of first broken sword, second broken sword and third broken sword with the plant carry in the casing, through the broken cutting of quick rotation of first broken sword, second broken sword and third broken sword, the cutter head of third broken sword is relative with the cutter head of fixed knife in the blade disc rotation in-process simultaneously, carry out broken segmentation with the massive plant through the shearing force, improve the crushing effect to green planting, two sets of first cutter groups and two sets of second cutter groups are crisscross respectively to be set up, can make the blade disc realize dynamic balance at rotation in-process, a plurality of first broken sword and second broken sword, the plant homoenergetic of any position on the blade disc surface is cut, further improve the crushing effect of rubbing machine, improve the crushing ability to green planting.

Optionally, a first mounting groove is formed in the cutterhead, a first connecting piece is arranged in the first mounting groove, a first mounting block is inserted in the first mounting groove, the first mounting block is detachably connected to the first connecting piece, and the first crushing cutter is detachably connected to the first mounting block.

Through adopting above-mentioned technical scheme, peg graft first installation piece in first mounting groove, connect first installation piece on first connecting piece to realize the installation of first broken sword, when first broken sword damages, can in time change through dismantling, reduce because first broken sword damages can't realize the breakage to green planting, thereby influence the possibility of the crushing effect of rubbing the machine.

Optionally, the cutter head is provided with a second mounting groove, a second connecting piece is arranged in the second mounting groove, a second mounting block is inserted in the second mounting groove, the second mounting block is detachably connected to the second connecting piece, and the second crushing cutter is detachably connected to the second mounting block.

Through adopting above-mentioned technical scheme, peg graft the second installation piece in the second mounting groove, connect the second installation piece on the second connecting piece to realize the installation of second broken sword, when the broken sword of second damages, can in time change the broken sword of second through dismantling, reduce because the broken sword of second damages can't realize the breakage to green planting, thereby influence the possibility of rubbing the crushing effect of machine.

Optionally, fixedly connected with support frame in the casing, the constant head tank has been seted up on the support frame, fixedly connected with fixed block in the constant head tank, the support frame with peg graft between the casing has the connecting block, the connecting block with the fixed block is connected, fixed knife detachable connection is on the connecting block.

Through adopting above-mentioned technical scheme, the fixed knife is installed on the connecting block, through pegging graft between support frame and casing rethread and fixed block connection, realizes the detachable of fixed knife on the casing and changes, reduces because the fixed knife damages can't realize the breakage to green planting to influence the possibility of rubbing machine's crushing effect.

Optionally, the first crushing sword includes tool bit and fixed connection at the connecting rod that the tool bit afterbody is used for the installation, the tool bit is enclosed by four tilting blades, and the breach has been seted up to four blade tip, makes two adjacent blade junctions form the pointed end, the second crushing sword with the third crushing sword all with first crushing sword shape is the same.

Through adopting above-mentioned technical scheme, tool bit portion forms four pointed ends and is used for broken plant, and the connecting rod is used for being connected with first installation piece, second installation piece or blade disc, makes things convenient for the tool bit to dismantle the change, further saves the cost.

Optionally, the driving assembly comprises a driving motor, a transmission box connected to the shell and a transmission shaft positioned in the transmission box, wherein the transmission shaft is used for connecting the output shaft of the driving motor with the cutterhead.

Through adopting above-mentioned technical scheme, driving motor drives the blade disc through the transmission shaft and rotates to realize high-efficient cutting.

Optionally, be connected with the spline shaft sleeve between the transmission shaft with the driving motor output shaft, spline shaft sleeve intensity is less than transmission shaft and driving motor output shaft intensity, internal spline and external spline have been seted up on the spline shaft sleeve, the transmission shaft is close to driving motor one end has been seted up the spread groove, the spread groove internal fixation inlays and has had first spline housing, first spline housing with external spline joint cooperation, driving motor output shaft outside fixed cover be equipped with internal spline joint complex second spline housing.

Through adopting above-mentioned technical scheme, install the spline shaft sleeve between transmission shaft and driving motor output shaft, the internal spline of spline shaft sleeve is connected with first spline housing, the external spline of spline shaft sleeve is connected with the second spline, when driving motor during operation, drive the transmission shaft through spline fit and rotate, spline shaft sleeve intensity is less than transmission shaft and driving motor output shaft simultaneously, when the plant is great to lead to the blade disc to block, because spline shaft sleeve intensity is little, spline shaft sleeve damages foremost, thereby protection transmission shaft and driving motor output shaft, change spline shaft sleeve can reuse, improve the operating efficiency of rubbing machine.

Optionally, keep away from feed inlet and discharge gate one side on the casing and be equipped with the subassembly of preventing flying, the subassembly of preventing flying includes the reinforcing bar, is located the spacing hoop that the reinforcing bar both ends can be dismantled to be connected on the casing and wears to establish a plurality of chains on the reinforcing bar.

Through adopting above-mentioned technical scheme, the chain is installed on the reinforcing bar, plays the possibility that prevents plant fragment and splashes in blade disc one side, can protect operating personnel's life safety on the one hand, on the other hand can separate fragment and carry out a lot of breakage in the casing, improves crushing effect.

Optionally, the last detachable front fender subassembly that is connected with of casing, front fender subassembly includes two connecting rods that link to each other with the casing, connects at two connecting rods and deviates from the horizontal pin of casing one end and be located two slope pins at horizontal pin both ends.

Through adopting above-mentioned technical scheme, when broken great plant, the plant can be followed the work of rubbing machine and removed and take place to empty, and preceding fender subassembly can reduce the possibility that the plant emptyd to casing one side, makes the plant can be followed the feed inlet smoothly and enter into the casing in broken, improves the crushing effect of rubbing machine.

In summary, the application has the following beneficial technical effects:

1. through the fixed knife and with the first crushing sword, the second crushing sword, the setting of third crushing sword opposite of fixed knife orientation, can make fixed knife and first crushing sword, the cooperation of second crushing sword and third crushing sword, rely on the shearing force to break the plant that gets into from the feed inlet, be the first crushing sword, the second crushing sword that arc was arranged simultaneously can realize dynamic balance at the rotation cutter head rotation in-process, make the plant that enters into in the casing all can be cut broken, improve the crushing capacity to the plant.

2. Through the setting of the spline shaft sleeve connected between the transmission shaft and the output shaft of the driving motor, when the cutter head with larger plants is clamped, the strength of the spline shaft sleeve is less and damaged under the action of larger torsion, and the spline shaft sleeve can be directly replaced without damaging the transmission shaft and the driving motor, so that the possibility of damaging a rubbing machine is reduced, and the service life of the rubbing machine is prolonged.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a disc-type rubbing machine according to an embodiment of the application.

Fig. 2 is a schematic diagram of one side of a feed inlet and a discharge outlet of the disc-type rubbing machine according to the embodiment of the application.

Fig. 3 is an exploded view of the drive assembly.

Fig. 4 is a schematic structural view on the cutterhead and an explosion schematic view between the first crushing cutter, the second crushing cutter and the cutterhead.

Fig. 5 is an enlarged view at a in fig. 2.

Fig. 6 is an enlarged view at B in fig. 3.

Reference numerals illustrate: 1. a housing; 11. a motor housing; 12. a wing plate; 13. a feed inlet; 131. a support plate; 132. a reinforcing plate; 14. a discharge port; 15. a front fender assembly; 151. a connecting rod; 152. a horizontal stop lever; 153. a tilt stop lever; 16. an anti-fly assembly; 161. reinforcing steel bars; 162. a limit hoop; 163. a chain; 17. a support frame; 171. a positioning groove; 172. a fixed block; 18. a connecting block; 19. fixing the knife; 2. a drive assembly; 21. a drive motor; 22. a transmission case; 23. a transmission shaft; 24. a spline shaft sleeve; 231. a connecting groove; 25. a first spline housing; 26. a second spline housing; 3. a first crushing cutter; 31. a cutter head; 32. a connecting rod; 33. a notch; 4. a second crushing cutter; 5. a third crushing cutter; 51. a connecting sheet; 52. a third mounting block; 6. a cutterhead; 61. a first mounting groove; 62. a first connection plate; 63. a first mounting block; 631. a first bump; 64. a second mounting groove; 65. a second connecting plate; 66. a second mounting block; 661. and a second bump.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a disc type rubbing machine.

Referring to fig. 1 and 2, the disc type rubbing machine comprises a housing 1, wherein one side of the housing 1 is opened, a feed inlet 13 and a discharge outlet 14 are formed in one opened side of the housing 1, the disc type rubbing machine further comprises a driving assembly 2 positioned on the housing 1 and a cutter disc 6 connected to the driving assembly 2, the feed inlet 13 and the discharge outlet 14 are respectively positioned on two sides of the cutter disc 6, reinforcing plates are connected to the feed inlet 13 through bolts, and each reinforcing plate comprises a supporting plate 131 and reinforcing plates 132 positioned at two ends of the supporting plate 131.

Referring to fig. 3, the driving assembly 2 includes a driving motor 21, a transmission case 22 connected to the housing 1, and a transmission shaft 23 located in the transmission case 22, wherein one end of the transmission case 22 is fixedly connected with a flange, the transmission case 22 flange is connected with the housing 1 through a bolt, a motor housing 11 is fixedly connected to the housing 1, the motor housing 11 is arranged outside the driving motor 21 and the transmission case 22, and the driving motor 21 is a hydraulic gear motor.

Referring to fig. 3, a connecting groove 231 is formed in the end portion, close to one end of the driving motor 21, of the driving shaft 23, a first spline sleeve 25 is embedded in the connecting groove 231 in an interference fit manner, a second spline sleeve 26 is fixedly sleeved on the outer side of an output shaft of the driving motor 21, a spline shaft sleeve 24 is connected between the driving shaft 23 and the output shaft of the driving motor 21, an inner spline is formed in the inner wall of the spline shaft sleeve 24, an outer spline is formed in the outer side wall of the spline shaft sleeve 24, the inner spline is connected with the second spline sleeve 26 in a clamping manner, and the outer spline is matched with the first spline sleeve 25 in a clamping manner.

Referring to fig. 2 and 3, the strength of the spline shaft sleeve 24 is smaller than that of the transmission shaft 23 and that of the output shaft of the driving motor 21, the driving motor 21 drives the transmission shaft 23 to rotate through the cooperation of the spline shaft sleeve 24 when in operation, the end part of the transmission shaft 23 is fixedly connected with a flange, the flange of the transmission shaft 23 is connected with the cutterhead 6 through a bolt, when the cutterhead 6 is clamped by plants, the spline shaft sleeve 24 is damaged firstly, and the transmission shaft 23 and the output shaft of the driving motor 21 can be protected by replacing the spline shaft sleeve 24.

Referring to fig. 4, the cutter head 6 is detachably connected with a first cutter part and a second cutter part, the first cutter part and the second cutter part are respectively located on two opposite circular side surfaces of the cutter head 6, the first cutter part and the second cutter part are arranged in a staggered manner, the first cutter part comprises two first cutter groups, and the second cutter part comprises two second cutter groups.

Referring to fig. 4, the first cutter set includes a plurality of first crushing cutters 3, the plurality of first crushing cutters 3 are arranged along a semicircular arc direction, and are connected end to end in sequence, the circular arc opening directions defined by the two first cutter sets are oppositely arranged, and the two first cutter sets are staggered.

Referring to fig. 4, the second cutter set includes a plurality of second crushing cutters 4, the plurality of second crushing cutters 4 are arranged along a semicircular arc direction, and are connected end to end in sequence, the circular arc opening direction enclosed by the two second cutter sets is oppositely arranged, the two second cutter sets are staggered, and the directions of the cutter heads 31 of the first crushing cutter 3 and the second crushing cutter 4 are consistent.

Referring to fig. 4, the first crushing cutter 3 includes a cutter head 31 and a connecting rod 32 fixedly connected to the tail of the cutter head 31 for mounting connection, threads are provided on the connecting rod 32, the cutter head 31 is surrounded by four blades which are obliquely arranged, the cutter head 31 is shaped like a trapezoid with one open end, the open end area is larger than the other end area, the connecting rod 32 is connected to the smaller end, a notch 33 is provided on each blade of the open end of the cutter head 31, the notch 33 is in a V shape, namely, the notch 33 extends continuously from two ends to the center to deepen to form a tip notch 33, and the ends of the connecting parts of two adjacent blades form tips for cutting green plants. The second crushing blade 4 has the same structure as the first crushing blade 3.

Referring to fig. 4, a first mounting groove 61 is formed in the cutterhead 6, a first connecting piece is arranged in the first mounting groove 61, the first connecting piece is a first connecting plate 62, the first connecting plate 62 is in interference fit with the first mounting groove 61, a first mounting block 63 is mounted in the first mounting groove 61, a first protruding block 631 is fixedly connected to the first mounting block 63, the first protruding block 631 is in plug fit with the first mounting groove 61, a bolt is connected to the first connecting plate 62 in a threaded mode, and the first protruding block 631 is connected with the first connecting plate 62.

Referring to fig. 4, the connecting rod 32 of the first crushing blade 3 is penetrated through the first mounting block 63, and the other end detachably connects the connecting rod 32 and the cutter head 31 to the first mounting block 63 by means of a nut.

Referring to fig. 4, a second mounting groove 64 is formed in the cutterhead 6, a second connecting piece is arranged in the second mounting groove 64, the second connecting piece is a second connecting plate 65, a second protruding block 661 is arranged on the second mounting block 66, the second protruding block 661 is in plug-in fit with the second mounting groove 64, a bolt is connected to the second connecting plate 65 in a threaded mode, and the second protruding block 661 is connected with the second connecting plate 65.

Referring to fig. 5, a supporting frame 17 is fixedly connected in a casing 1, the supporting frame 17 is in a portal shape, and comprises two risers fixedly connected with the casing 1 and a transverse plate connected between the two risers, the two risers are arranged in parallel, a positioning groove 171 is formed in the transverse plate, the positioning groove 171 is a through groove, a fixed block 172 is fixedly connected in the positioning groove 171 through interference fit, a connecting block 18 is inserted between the supporting frame 17 and the casing 1, and the connecting block 18 is connected with the fixed block 172 through bolts.

Referring to fig. 5, a fixed blade 19 is connected to the connection block 18, and the fixed blade 19 has the same structure as the first crushing blade 3, and a connecting rod 32 of the fixed blade 19 is fixed by a nut penetrating through the connection block 18. The stationary knife 19 is directed opposite to the first crushing blade 3 and the second crushing blade 4.

Referring to fig. 4, a plurality of connection pieces 51 are detachably connected to the arc-shaped side wall of the cutterhead 6 along the circumferential direction thereof, a third mounting block 52 is fixedly connected to each connection piece 51, a third crushing cutter 5 is detachably connected to each third mounting block 52, the third crushing cutter 5 has the same structure as the first crushing cutter 3 and the second crushing cutter 4, a connection rod 32 of the third crushing cutter 5 penetrates through the third mounting block 52, and the third crushing cutter 5 is fixed to the third mounting block 52 through a nut.

Referring to fig. 4 and 5, the direction of the blade 31 of the third crushing blade 5 coincides with the directions of the blade 31 of the first crushing blade 3 and the second crushing blade 4, and is opposite to the direction of the blade 31 of the fixed blade 19.

Referring to fig. 6, a side of a casing 1 far away from a feed inlet 13 and a discharge outlet 14 is provided with an anti-flying component 16, the anti-flying component 16 comprises a steel bar 161, limiting hoops 162 which are positioned at two ends of the steel bar 161 and detachably connected to the casing 1, and a plurality of chains 163 which are arranged on the steel bar 161 in a penetrating manner, the limiting hoops 162 are used for fixing the steel bar 161 on the casing 1, the chains 163 are uniformly distributed along the length direction of the steel bar 161, at least two sections of the chains 163 are provided, three sections of the anti-flying component 16 are provided along the circumferential direction of the casing 1, three groups of adjacent anti-flying components 16 are obliquely arranged, and the chains 163 are made of galvanized iron.

Referring to fig. 1 and 2, two wing plates 12 are fixedly connected to the housing 1, the two wing plates 12 are arranged in parallel, a front baffle assembly 15 is detachably connected between the two wing plates 12, and the front baffle assembly 15 comprises two connecting rods 151 connected with the wing plates 12, a horizontal stop rod 152 connected to one end of the two connecting rods 151 away from the housing 1, and two inclined stop rods 153 positioned at two ends of the horizontal stop rod 152.

Referring to fig. 1 and 2, the bolt penetrating wing plate 12 is screwed to the connecting rod 151, and the two connecting rods 151 are fixedly connected to the two wing plates 12, respectively, and the connecting rod 151, the horizontal bar 152 and the inclined bar 153 are square tubes.

The implementation principle of the embodiment is as follows: when the rubbing machine starts rubbing, the driving motor 21 drives the driving shaft to rotate through the spline shaft sleeve 24 so as to drive the cutter disc 6 to rotate, plants enter from the feeding hole 13, and along with the rapid rotation of the cutter disc 6, the plants are driven to continuously move into the shell 1, so that the plants to be crushed enter into the shell 1, the plants are continuously cut and crushed in the rotation process of the first crushing cutter 3, the second crushing cutter 4 and the third crushing cutter 5, and meanwhile, the third crushing cutter 5 and the fixed cutter 19 are matched to generate shearing force so as to crush massive plants, and crushed scraps are discharged from the discharging hole 14.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides a disc rubbing machine, includes casing (1), is located drive assembly (2) on casing (1) and connects blade disc (6) on drive assembly (2), be equipped with feed inlet (13) and discharge gate (14), its characterized in that on casing (1): the utility model discloses a crushing device, including a cutter disc (6), a plurality of fixed cutter sets, a plurality of first crushing cutters (3), a plurality of second crushing cutters (3), a plurality of first crushing cutters (3) are connected with first cutter set and second cutter set on the cutter disc (6) can be dismantled, first cutter set and second cutter set are connected with on the cutter disc (6), first cutter set and second cutter set are located respectively on two circular sides that cutter disc (6) are relative, first cutter set and second cutter set are including a plurality of second crushing cutters (4), a plurality of second crushing cutters (4) are located along the circular arc direction, two sets are relative to each other with the circular arc opening direction that second cutter set is enclosed, first cutter set and second cutter set are arranged alternately, can dismantle on the arc lateral wall of cutter disc (6) and be connected with a plurality of third cutters (5), a plurality of fixed cutter sets (19) are connected with a plurality of fixed cutter sets (1) and a crushing motor (19) are located in a crushing box (1) and a crushing box (2) respectively, a plurality of fixed cutter sets are connected with a crushing motor (19) and a crushing box (1) are located in a crushing box (2), the driving shaft (23) is used for connecting the output shaft of the driving motor (21) with the cutter head (6), the driving shaft (23) with be connected with spline shaft sleeve (24) between the output shaft of the driving motor (21), spline shaft sleeve (24) intensity is less than driving shaft (23) and driving motor (21) output shaft intensity, internal spline and external spline have been seted up on spline shaft sleeve (24), driving shaft (23) are close to driving motor (21) one end has been seted up spread groove (231), spread groove (231) internal fixation has inlayed first spline housing (25), first spline housing (25) with external spline joint cooperation, driving motor (21) output shaft outside fixed sleeve be equipped with internal spline joint complex second spline housing (26).

2. The disc-type rubbing machine according to claim 1, wherein: the cutter head (6) is provided with a first mounting groove (61), a first connecting piece is arranged in the first mounting groove (61), a first mounting block (63) is inserted in the first mounting groove (61), the first mounting block (63) is detachably connected to the first connecting piece, and the first crushing cutter (3) is detachably connected to the first mounting block (63).

3. The disc-type rubbing machine according to claim 1, wherein: the cutter head (6) is provided with a second mounting groove (64), a second connecting piece is arranged in the second mounting groove (64), a second mounting block (66) is inserted in the second mounting groove (64), the second mounting block (66) is detachably connected to the second connecting piece, and the second crushing cutter (4) is detachably connected to the second mounting block (66).

4. The disc-type rubbing machine according to claim 1, wherein: a supporting frame (17) is fixedly connected in the shell (1), a positioning groove (171) is formed in the supporting frame (17), a fixed block (172) is fixedly connected in the positioning groove (171), A connecting block (18) is inserted between the supporting frame (17) and the shell (1), the connecting block (18) is connected with the fixed block (172), and the fixed knife (19) is detachably connected to the connecting block (18).

5. The disc-type rubbing machine according to claim 1, wherein: the first crushing cutter (3) comprises a cutter head (31) and a connecting rod (32) fixedly connected to the tail of the cutter head (31) and used for mounting, the cutter head (31) is formed by encircling four inclined blades, notches (33) are formed in the end parts of the four blades, the joint of two adjacent blades forms a tip, and the second crushing cutter (4) and the third crushing cutter (5) are identical to the first crushing cutter (3) in shape.

6. The disc-type rubbing machine according to claim 1, wherein: the anti-flying assembly (16) is arranged on one side, far away from the feed inlet (13) and the discharge outlet (14), of the shell (1), and the anti-flying assembly (16) comprises a reinforcing steel bar (161), limiting hoops (162) which are positioned at two ends of the reinforcing steel bar (161) and detachably connected to the shell (1) and a plurality of chains (163) which are arranged on the reinforcing steel bar (161) in a penetrating mode.

7. The disc-type rubbing machine according to claim 1, wherein: the front stop assembly (15) is detachably connected to the shell (1), and the front stop assembly (15) comprises two connecting rods (151) connected with the shell (1), a horizontal stop rod (152) connected to one end of the two connecting rods (151) deviating from the shell (1) and two inclined stop rods (153) located at two ends of the horizontal stop rod (152).