CN211216955U

CN211216955U - Disintegrating machine

Info

Publication number: CN211216955U
Application number: CN201921728046.XU
Authority: CN
Inventors: 万修国
Original assignee: Qingdao Huayida Technology Co ltd
Current assignee: Qingdao Huayida Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-08-11
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to the technical field of auxiliary devices for material grinding, in particular to a grinder; the crusher comprises a working box, a motor, a transmission shaft and a crushing sheet group, wherein a working cavity is arranged in the working box, the top end of the working box is communicated with a taking and placing opening, and a taking and placing cover is covered at the taking and placing opening; the device also comprises a rotating disc, a connecting rod, a hydraulic cylinder, a telescopic rod and a hammering plate; the rear side of the top end of the taking and placing cover is communicated with an observation hole, a transparent observation plate is arranged at the observation hole, a front-back communication groove is arranged at the left side of the top end of the taking and placing cover, and the taking and placing cover further comprises a sliding block, a driving column, a driving plate, a mounting plate and a sponge wiper; the transmission shaft is including inserting post, intubate, spacing post, two sets of spacing springs and two sets of locating pieces, inserts the inside top of post and is provided with spacing chamber, is provided with left through-hole and right through-hole on inserting post left side wall and the right side wall, and intubate left side wall and right side wall are provided with spacing hole in a left side and the spacing hole in the right side respectively.

Description

Disintegrating machine

Technical Field

The utility model relates to a technical field of comminuted auxiliary device especially relates to a rubbing crusher.

Background

As is well known, a crusher is an auxiliary device used for stirring and crushing materials in the mechanical production and processing process so as to better perform subsequent treatment, and is widely used in the field of material crushing; the existing pulverizer comprises a working box, a motor, a transmission shaft and a pulverizing sheet group, wherein a working cavity is arranged in the working box, the top end of the working box is communicated with a taking and placing opening, a taking and placing cover is covered at the taking and placing opening, the motor is arranged at the top end of the taking and placing cover, the pulverizing sheet group is positioned in the working box, the top end of the transmission shaft is connected with the output end of the bottom of the motor, the bottom end of the transmission shaft penetrates through the side wall of the top of the taking and placing cover and extends into the working box, and the; when the existing pulverizer is used, materials are guided into the working box from the taking and placing port, the motor drives the pulverizing sheet group on the transmission shaft to rotate at a high speed to pulverize the materials and pour out the materials through the taking and placing port, the motor is a common electric device in the market, and the materials can be used only by being electrically connected according to a purchased use instruction when being bought back for use, so that the details are not repeated; the existing pulverizer is found to be easy to stick to the wall after being pulverized, but the existing pulverizer cannot guide the pulverized material down conveniently, so that the existing pulverizer is inconvenient to use; the inside of the working box can not be observed conveniently, so that the practicability is poor; and the crushing sheet group is easy to passivate after being used for a long time, but is not easy to be conveniently detached and replaced, so that the use limitation of the crushing sheet group is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a material which can be conveniently guided down after being crushed and stuck on the wall, so that the use is more convenient; the inside of the working box can be observed conveniently, and the practicability is improved; and the crushing sheet group can be conveniently detached and replaced after being passivated after being used for a long time, thereby reducing the use limitation of the crusher.

The utility model discloses a pulverizer, including work box, motor, transmission shaft and crushing piece group, be provided with the working chamber in the work box, the work box top intercommunication is provided with gets puts the mouth, and gets and put the lid at getting and putting the mouth lid and be equipped with, the motor is installed and is got and put the lid top, crushing piece group is located the work box; the hydraulic hammer is characterized by also comprising a rotating disc, a connecting rod, a hydraulic cylinder, a telescopic rod and a hammering plate, wherein the rotating disc is sleeved above the outer side of the working box; the rear side of the top end of the taking and placing cover is communicated with an observation hole, a transparent observation plate is arranged at the observation hole, a front-back communication groove is arranged on the left side of the top end of the taking and placing cover, the sponge eraser further comprises a sliding block, a driving column, a driving plate, an installation plate and a sponge eraser, the top end of the driving column is connected with the sliding block, the bottom end of the driving column penetrates through the front-back communication groove and extends into the interior of the working box to be connected with the left side of the top end of the driving plate, the sponge eraser is arranged at the top end of; the transmission shaft comprises an insertion column, an insertion tube, a limiting column, two sets of limiting springs and two sets of positioning blocks, the top end of the insertion column is inserted into the bottom end of the insertion tube, a limiting cavity is arranged above the inner part of the insertion column, a left through hole and a right through hole are arranged on the left side wall and the right side wall of the insertion column, a left limiting hole and a right limiting hole are respectively arranged on the left side wall and the right side wall of the insertion tube, the limiting column is arranged on the top side wall in the limiting cavity, the two sets of limiting springs are positioned in the limiting cavity, one ends of the two sets of limiting springs are respectively connected with the left side and the right side of the limiting column, one ends of the two sets of positioning blocks are respectively arranged at the other ends of the two sets of positioning blocks, the other ends of the two sets of positioning blocks are respectively inserted into the left limiting hole and the right limiting hole, the crushing piece group is arranged on the inserting column.

The utility model discloses a pulverizer, still include four group's bolts, four group's nuts, four group's landing legs and four group's dwangs, install respectively on the top of four group's landing legs in work box bottom left front side, right front side, left rear side and right rear side, four group's dwang one end all is provided with the truckle, four group's dwang other ends all are provided with the weight, all be provided with first through-hole on four group's landing legs, all be provided with the second through-hole on four group's dwang, four group's bolts pass four group's first through-hole and four group's second through-holes respectively and insert respectively and inside screw assembly to four group's nuts, all be provided with the.

The utility model discloses a rubbing crusher still includes two sets of bradyseism pieces, two sets of bradyseism springs and two sets of bradyseism boards, and two sets of bradyseism pieces are all installed and are being got and put the lid top, and two sets of bradyseism spring one end is connected with two sets of bradyseism pieces inboard respectively, and two sets of bradyseism spring other ends are connected with two sets of bradyseism boards respectively, and the motor clamps between two sets of bradyseism boards.

The utility model discloses a rubbing crusher still includes first set spring and first flexible pipe, and first set spring one end is connected with the telescopic link is inboard, and the first set spring other end is connected with the board of beating, and first scalable pipe one end is connected with the telescopic link is inboard, and the first scalable pipe other end with beat the board and be connected, first set spring suit is in the first flexible outside of tubes.

The utility model discloses a rubbing crusher, the rolling disc bottom is provided with the ring form spout, and connecting rod top slidable fixes in the spout bottom.

The utility model discloses a pulverizer, still include the after-fixing board, a front fixed plate, the handle, link and lead screw, after-fixing board and before-fixing board are installed respectively and are being got and put lid top left side rear and the place ahead, the before-fixing board rear end is provided with the standing groove, and be provided with ball bearing and spacing piece in the standing groove, the standing groove rear end is provided with the separation blade, the handle rotatable fixing is in the link rear end, lead screw rear end and link front portion are connected, the lead screw front end passes after-fixing board lateral wall and stretches out to after-fixing board the place ahead, the lead screw front end passes the separation blade and inserts to ball bearing inside and spacing piece be connected, slider spiral shell dress cover is in the lead.

The utility model discloses a rubbing crusher still includes the flexible pipe of multiunit second cover spring and multiunit second, and the one end of multiunit second cover spring all is connected with the mounting panel, and the other end of multiunit second cover spring all is connected with the drive board, and the one end of the flexible pipe of multiunit second all is connected with the mounting panel, and the other end of the flexible pipe of multiunit second all is connected with the drive board, and the suit is in the flexible outside of pipe of multiunit second respectively to the multiunit second cover spring.

The utility model discloses a rubbing crusher, the lateral wall is provided with supplementary blade group in the work box.

Compared with the prior art, the beneficial effects of the utility model are that: the outer side wall of the working box can be beaten by the beating plate on the telescopic rod driven by the hydraulic cylinder, so that the materials can still be conveniently guided down after being crushed and stuck to the wall, and the use is more convenient; meanwhile, when the transparent observation plate is dirty, the sponge wiper on the mounting plate can move forwards and backwards through the sliding block, so that the transparent observation plate is wiped, and the transparent observation plate is more practical; and can carry out the dismantlement of disintegrating tablet group through the cooperation of inserting post and intubate, only need press two sets of locating pieces to the inboard when dismantling, make two sets of locating pieces bore out from spacing hole in a left side and the spacing hole in the right side, thereby conveniently insert the longitudinal movement of post and dismantle or the installation, and two sets of locating pieces creep into in spacing hole in a left side and the spacing hole in the right side under the effect of two sets of spacing springs after the adjustment, reach fixed effect, insert the post lateral wall and paste tight intubate inside wall, make things convenient for it not rock at will, make disintegrating tablet group use for a long time and take place the passivation after, can conveniently dismantle the change.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a propeller shaft;

FIG. 3 is an enlarged partial view of portion A of FIG. 1;

FIG. 4 is a schematic view of the connection between the access cover and the transparent viewing panel;

FIG. 5 is a schematic structural view of the connection between the pick-and-place cover and the sponge eraser;

in the drawings, the reference numbers: 1. a work box; 2. a motor; 3. crushing the sheet group; 4. a taking and placing cover; 5. rotating the disc; 6. a connecting rod; 7. a hydraulic cylinder; 8. a telescopic rod; 9. beating the plate; 10. a transparent viewing plate; 11. a slider; 12. driving the column; 13. driving the plate; 14. mounting a plate; 15. sponge wiping; 16. inserting a column; 17. inserting a tube; 18. a limiting column; 19. positioning blocks; 20. a bolt; 21. a nut; 22. a support leg; 23. rotating the rod; 24. a locking pad; 25. a shock absorption block; 26. a cushioning plate; 27. a first set of springs; 28. a rear fixing plate; 29. a front fixing plate; 30. a handle; 31. a connecting frame; 32. a lead screw; 33. a baffle plate; 34. a second set of springs; 35. an auxiliary blade set.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the pulverizer of the present invention includes a working box 1, a motor 2, a transmission shaft and a pulverizing sheet group 3, wherein a working chamber is arranged in the working box 1, a taking and placing opening is arranged on the top end of the working box 1, a taking and placing cover 4 is covered on the taking and placing opening, the motor 2 is arranged on the top end of the taking and placing cover 4, and the pulverizing sheet group 3 is located in the working box 1; the automatic hammer is characterized by further comprising a rotating disc 5, a connecting rod 6, a hydraulic cylinder 7, a telescopic rod 8 and a hammering plate 9, wherein the rotating disc 5 is sleeved above the outer side of the working box 1, the hydraulic cylinder 7 is installed on the inner side below the connecting rod 6, and the outer end of the telescopic rod 8 is connected with the output end of the hydraulic cylinder 7; the rear side of the top end of the taking and placing cover 4 is communicated with an observation hole, a transparent observation plate 10 is arranged at the observation hole, a front-back communication groove is arranged on the left side of the top end of the taking and placing cover 4, the multifunctional picking and placing cover further comprises a sliding block 11, a driving column 12, a driving plate 13, a mounting plate 14 and a sponge wiper 15, the top end of the driving column 12 is connected with the sliding block 11, the bottom end of the driving column 12 penetrates through the front-back communication groove and extends into the working box 1 to be connected with the left side of the top end of the driving plate 13, the sponge wiper 15 is arranged on the top end of; the transmission shaft comprises an inserting column 16, an inserting pipe 17, a limiting column 18, two sets of limiting springs and two sets of positioning blocks 19, the top end of the inserting column 16 is inserted into the bottom end of the inserting pipe 17, a limiting cavity is arranged above the inner part of the inserting column 16, a left through hole and a right through hole are arranged on the left side wall and the right side wall of the inserting column 16, a left limiting hole and a right limiting hole are respectively arranged on the left side wall and the right side wall of the inserting pipe 17, the limiting column 18 is arranged on the top side wall in the limiting cavity, the two sets of limiting springs are positioned in the limiting cavity, one ends of the two sets of limiting springs are respectively connected with the left side and the right side of the limiting column 18, one ends of the two sets of positioning blocks 19 are respectively arranged at the other ends of the two sets of positioning blocks 19 respectively penetrate through the left through hole and the right through hole, the other ends of the two sets of positioning blocks 19 are respectively inserted into the, the crushing sheet group 3 is arranged on the inserting column 16; the outer side wall of the working box can be beaten by the beating plate on the telescopic rod driven by the hydraulic cylinder, so that the materials can still be conveniently guided down after being crushed and stuck to the wall, and the use is more convenient; meanwhile, when the transparent observation plate is dirty, the sponge wiper on the mounting plate can move forwards and backwards through the sliding block, so that the transparent observation plate is wiped, and the transparent observation plate is more practical; and can carry out the dismantlement of disintegrating tablet group through the cooperation of inserting post and intubate, only need press two sets of locating pieces to the inboard when dismantling, make two sets of locating pieces bore out from spacing hole in a left side and the spacing hole in the right side, thereby conveniently insert the longitudinal movement of post and dismantle or the installation, and two sets of locating pieces creep into in spacing hole in a left side and the spacing hole in the right side under the effect of two sets of spacing springs after the adjustment, reach fixed effect, insert the post lateral wall and paste tight intubate inside wall, make things convenient for it not rock at will, make disintegrating tablet group use for a long time and take place the passivation after, can conveniently dismantle the change.

The utility model discloses a pulverizer, still include four groups of bolts 20, four groups of nuts 21, four groups of landing legs 22 and four groups of dwang 23, the top of four groups of landing legs 22 is installed respectively at work box 1 bottom left front side, right front side, left rear side and right rear side, four groups of dwang 23 one end all is provided with the truckle, four groups of dwang 23 other end all is provided with the weight, four groups of landing legs 22 all are provided with the first through-hole, all be provided with the second through-hole on four groups of dwang 23, four groups of bolts 20 pass four groups of first through-holes and four groups of second through-holes respectively and insert respectively and screw-mount to four groups of nuts 21 insides, all be provided with locking pad 24 between four groups of nuts 21 and four groups of dwang 23; it can make whole convenient removal through four truckles of group, and improve stability through four group's weighting pieces, when whole needs remove, manual unscrewing four group's nuts, rotate the dwang, end to the below with the truckle, manual screwing up four group's nuts, when whole needs are stable, manual unscrewing four group's nuts, rotate the dwang, end to the below with the weighting piece, manual screwing up four group's nuts, make whole can conveniently remove or stably place, thereby improve its practicality, through locking between convenient nut of locking pad and the dwang, improve the reliability in utilization.

The utility model discloses a pulverizer, still include two sets of bradyseism blocks 25, two sets of bradyseism springs and two sets of bradyseism plates 26, two sets of bradyseism blocks 25 are all installed on getting and putting the top of lid 4, two sets of bradyseism spring one end is connected with two sets of bradyseism blocks 25 inboard respectively, two sets of bradyseism spring other ends are connected with two sets of bradyseism plates 26 respectively, the motor 2 clamps between two sets of bradyseism plates 26; it can fix the motor through two sets of bradyseism boards to drive two sets of bradyseism boards through two sets of bradyseism springs and extrude the bradyseism to the motor, rock that the buffering motor during operation takes place.

The utility model discloses a grinder, still include first set spring 27 and first flexible pipe, first set spring 27 one end is connected with 8 inboard sides of telescopic link, the other end of first set spring 27 is connected with beat board 9, one end of first flexible pipe is connected with 8 inboard sides of telescopic link, the other end of first flexible pipe is connected with beat board 9, first set spring 27 suit is in the first flexible outside of pipe; it can cushion the impact of beating between board and the work box through first set spring, improves and uses the reliability, and supplementary first set spring is difficult for distortion when first scalable pipe auxiliary stay.

In the crusher of the utility model, the bottom end of the rotating disc 5 is provided with a circular chute, and the top end of the connecting rod 6 is fixed at the bottom end of the chute in a sliding way; it can make things convenient for the circumference formula to beat through the design of connecting rod top slidable mounting in the spout bottom, improves adaptability.

The utility model discloses a pulverizer, still include rear fixed plate 28, front fixed plate 29, handle 30, link 31 and lead screw 32, rear fixed plate 28 and front fixed plate 29 are installed respectively and are being got and put 4 top left side rear and the place ahead of lid, front fixed plate 29 rear end is provided with the standing groove, and be provided with ball bearing and spacing piece in the standing groove, the standing groove rear end is provided with separation blade 33, handle 30 is rotatable to be fixed in the link 31 rear end, lead screw 32 rear end is connected with link 31 front portion, lead screw 32 front end passes rear fixed plate 28 rear side wall and stretches out to rear fixed plate 28 the place ahead, lead screw 32 front end passes separation blade 33 and inserts to ball bearing inside and is connected with the spacing piece, 11 spiro unions of slider are in the lead screw 32 outside; it can be through manual rotation handle, make it drive the lead screw on the link and rotate, thereby it carries out the forward and backward movement to drive the slider, again because drive the post and pass the forward and backward intercommunication groove, make things convenient for the slider not rotate along with the lead screw when moving to the front, but the design of handle rotation makes the lead screw rotate more laborsavingly, spacing piece is spacing to the lead screw, prevent that it from leaping up the standing groove, and spacing piece and lead screw rigid coupling, when the lead screw rotates, spacing piece rotates along with it, and ball bearing clamps between separation blade and spacing piece, thereby can not leap up the standing groove, can mechanical locking between spacing piece and the standing groove, thereby make things convenient for spacing piece further to fix.

The utility model discloses a pulverizer, still include multiunit second cover spring 34 and multiunit second flexible pipe, one end of multiunit second cover spring 34 all is connected with mounting panel 14, the other end of multiunit second cover spring 34 all is connected with drive plate 13, one end of multiunit second flexible pipe all is connected with mounting panel 14, the other end of multiunit second flexible pipe all is connected with drive plate 13, multiunit second cover spring 34 is respectively nested in the outer side of multiunit second flexible pipe; it can make its extrusion sponge wipe through multiunit second cover spring extrusion mounting panel for the sponge is wiped and is pasted tight transparent observation board all the time, and the difficult distortion of second cover spring is assisted to the scalable pipe of second when supporting.

In the crusher of the utility model, the inner side wall of the working box 1 is provided with an auxiliary blade group 35; it can be through supplementary crushing of auxiliary blade group, smash more thoroughly.

The utility model discloses a grinder, it is at work, can drive the board of beating on the telescopic link through the pneumatic cylinder and beat the work box lateral wall, make after the material crushing glues the wall, still can conveniently lead down, make its use comparatively convenient; meanwhile, when the transparent observation plate is dirty, the sponge wiper on the mounting plate can move forwards and backwards through the sliding block, so that the transparent observation plate is wiped, and the transparent observation plate is more practical; the crushing piece group can be disassembled by matching the inserting column with the inserting tube, and only two groups of positioning blocks need to be pressed inwards during disassembly to drill out the two groups of positioning blocks from the left limiting hole and the right limiting hole, so that the inserting column can be conveniently disassembled or assembled in a longitudinal moving manner, the two groups of positioning blocks can drill into the left limiting hole and the right limiting hole under the action of the two groups of limiting springs after adjustment, the fixing effect is achieved, the side wall of the inserting column is tightly attached to the inner side wall of the inserting tube, the inserting column can be conveniently and not randomly shaken, and the crushing piece group can be conveniently disassembled and replaced after being passivated after being used for a long time; the four groups of casters can enable the whole to conveniently move, the stability is improved through the four groups of weighting blocks, when the whole needs to move, the four groups of nuts are manually unscrewed, the rotating rod is rotated, the ends of the casters are rotated to the lower part, the four groups of nuts are manually screwed, when the whole needs to be stable, the four groups of nuts are manually unscrewed, the rotating rod is rotated, the weighting blocks are rotated to the lower part, and the four groups of nuts are manually screwed, so that the whole can be conveniently moved or stably placed, the practicability of the whole is improved, the nuts and the rotating rod are conveniently locked through the locking pads, and the use reliability is improved; the motor can be fixed through the two groups of shock absorption plates, and the two groups of shock absorption plates are driven by the two groups of shock absorption springs to extrude and absorb shock to the motor, so that the shaking generated when the motor works is absorbed; the impact between the hammering plate and the working box can be buffered through the first set of springs, so that the use reliability is improved, and the first set of springs are assisted to be not easy to distort and deform while the first telescopic pipe is used for assisting in supporting; the design that the top end of the connecting rod can be slidably arranged at the bottom end of the sliding chute is convenient for circumferential hammering, and the adaptability is improved; the handle can be manually rotated to drive the lead screw on the connecting frame to rotate, so that the sliding block is driven to move forwards and backwards, the driving post penetrates through the forward and backward communicating groove, the sliding block is convenient to rotate along with the rotation of the lead screw when moving forwards and backwards, the design that the handle can rotate automatically enables the lead screw to rotate more conveniently, the limiting sheet limits the lead screw to prevent the lead screw from jumping out of the placing groove, the limiting sheet is rigidly connected with the lead screw, the limiting sheet rotates along with the lead screw when the lead screw rotates, and the ball bearing is clamped between the blocking sheet and the limiting sheet, so that the placing groove cannot be jumped out, the limiting sheet and the placing groove can be mechanically locked, and the limiting sheet is convenient to further fix; the mounting plate can be extruded by the plurality of groups of second sleeve springs to extrude the sponge eraser, so that the sponge eraser is always attached to the transparent observation plate, and the second telescopic pipe assists the second sleeve springs to be not easy to distort and deform during supporting; can be smashed more thoroughly through the supplementary crushing of auxiliary blade group.

The utility model discloses a pulverizer, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system, wherein slidable/rotate fixedly for not dropping off under the slip/rotation state to concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add the perusal more.

In the case where no description is given to the contrary, the directional terms included in the terms "up, down, left, right, front, rear, inside, outside, vertical, horizontal" and the like only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pulverizer comprises a working box (1), a motor (2), a transmission shaft and a pulverizing sheet group (3), wherein a working cavity is arranged in the working box (1), the top end of the working box (1) is communicated with a taking and placing opening, a taking and placing cover (4) is covered at the taking and placing opening, the motor (2) is arranged at the top end of the taking and placing cover (4), and the pulverizing sheet group (3) is positioned in the working box (1); the hydraulic hammer is characterized by further comprising a rotating disc (5), a connecting rod (6), a hydraulic cylinder (7), a telescopic rod (8) and a hammering plate (9), wherein the rotating disc (5) is sleeved above the outer side of the working box (1), the hydraulic cylinder (7) is installed on the inner side below the connecting rod (6), and the outer end of the telescopic rod (8) is connected with the output end of the hydraulic cylinder (7); the rear side of the top end of the taking and placing cover (4) is communicated with an observation hole, a transparent observation plate (10) is arranged at the observation hole, a front-back communication groove is formed in the left side of the top end of the taking and placing cover (4), the sponge cleaning device further comprises a sliding block (11), a driving column (12), a driving plate (13), a mounting plate (14) and a sponge wiper (15), the top end of the driving column (12) is connected with the sliding block (11), the bottom end of the driving column (12) penetrates through the front-back communication groove and extends into the working box (1) to be connected with the left side of the top end of the driving plate (13), the sponge wiper (15) is mounted at the top end of the mounting plate (14), and the sponge wiper; the transmission shaft comprises an insertion column (16), an insertion pipe (17), a limiting column (18), two groups of limiting springs and two groups of positioning blocks (19), the top end of the insertion column (16) is inserted into the bottom end of the insertion pipe (17), a limiting cavity is arranged above the inside of the insertion column (16), a left through hole and a right through hole are arranged on the left side wall and the right side wall of the insertion column (16), a left limiting hole and a right limiting hole are respectively arranged on the left side wall and the right side wall of the insertion pipe (17), the limiting column (18) is arranged on the top side wall in the limiting cavity, the two groups of limiting springs are positioned in the limiting cavity, one ends of the two groups of limiting springs are respectively connected with the left side and the right side of the limiting column (18), one ends of the two groups of positioning blocks (19) are respectively arranged at the other ends of the two groups of limiting springs, the other ends of the two groups of positioning, the top end of the insertion pipe (17) is connected with the output end of the bottom of the motor (2), the bottom end of the insertion pipe (17) penetrates through the top side wall of the taking and placing cover (4) and extends into the working box (1), and the crushing sheet group (3) is installed on the insertion column (16).

2. The crusher according to claim 1, characterized by further comprising four sets of bolts (20), four sets of nuts (21), four sets of legs (22) and four sets of rotating levers (23), wherein the top ends of the four sets of legs (22) are respectively installed at the left front side of the bottom end of the work box (1), the four-group-type lock bolt comprises a right front side, a left rear side and a right rear side, wherein one end of each of four groups of rotating rods (23) is provided with a trundle, the other end of each of the four groups of rotating rods (23) is provided with a weighting block, four groups of supporting legs (22) are provided with first through holes, four groups of rotating rods (23) are provided with second through holes, four groups of bolts (20) respectively penetrate through the four groups of first through holes and the four groups of second through holes and are respectively inserted into and screwed into four groups of nuts (21), locking pads (24) are arranged between the four groups of nuts (21) and the four groups of rotating rods (23), and the four groups of locking pads (24.

3. The crusher according to claim 2, characterized by further comprising two sets of shock absorption blocks (25), two sets of shock absorption springs and two sets of shock absorption plates (26), wherein the two sets of shock absorption blocks (25) are installed at the top end of the taking and placing cover (4), one ends of the two sets of shock absorption springs are respectively connected with the inner sides of the two sets of shock absorption blocks (25), the other ends of the two sets of shock absorption springs are respectively connected with the two sets of shock absorption plates (26), and the motor (2) is clamped between the two sets of shock absorption plates (26).

4. A crusher as claimed in claim 3, characterized in that it further comprises a first springset (27) and a first telescopic tube, the first springset (27) being connected at one end to the inside of the telescopic rod (8), the first springset (27) being connected at the other end to the hammering plate (9), the first telescopic tube being connected at one end to the inside of the telescopic rod (8) and at the other end to the hammering plate (9), the first springset (27) being fitted around the outside of the first telescopic tube.

5. A crusher as claimed in claim 4, characterised in that the bottom end of the rotating disc (5) is provided with an annular chute, and the top end of the connecting rod (6) is slidably fixed to the bottom end of the chute.

6. The crusher according to claim 5, characterized in that it further comprises a rear fixing plate (28), a front fixing plate (29), a handle (30), a connecting frame (31) and a screw rod (32), wherein the rear fixing plate (28) and the front fixing plate (29) are respectively installed at the rear and the front of the left side of the top end of the taking and placing cover (4), the rear end of the front fixing plate (29) is provided with a placing groove, and be provided with ball bearing and spacing piece in the standing groove, the standing groove rear end is provided with separation blade (33), handle (30) rotatable fixation is in link (31) rear end, lead screw (32) rear end and link (31) front portion are connected, lead screw (32) front end passes rear fixed plate (28) rear side wall and stretches out to rear fixed plate (28) the place ahead, lead screw (32) front end passes separation blade (33) and inserts to ball bearing inside and spacing piece and be connected, slider (11) spiral shell dress cover is in lead screw (32) outside.

7. The pulverizer as claimed in claim 6, further comprising a plurality of sets of second set springs (34) and a plurality of sets of second retractable tubes, wherein one ends of the plurality of sets of second set springs (34) are connected to the mounting plate (14), the other ends of the plurality of sets of second set springs (34) are connected to the driving plate (13), one ends of the plurality of sets of second retractable tubes are connected to the mounting plate (14), the other ends of the plurality of sets of second retractable tubes are connected to the driving plate (13), and the plurality of sets of second set springs (34) are respectively sleeved outside the plurality of sets of second retractable tubes.

8. A crusher as claimed in claim 7, characterised in that the inner side walls of the working box (1) are provided with auxiliary blade sets (35).