CN210545549U

CN210545549U - Cutting blade for crusher

Info

Publication number: CN210545549U
Application number: CN201920873398.8U
Authority: CN
Inventors: 温洪霞
Original assignee: Chen Huijin
Current assignee: Guangxi Lanyuan Technology Group Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-05-19
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a cutting blade for a crusher, which comprises a first cutter head and a second cutter head, the bottom end of the first cutter disc and the top end of the second cutter disc are respectively welded with a first connecting ring and a second connecting ring, the side walls of the first cutter disc and the second cutter disc are respectively provided with a first mounting hole and a second mounting hole, a first through hole is arranged on the side wall of the second cutter disc in a penetrating way, a retainer ring is fixedly connected at the edge of the upper end of the first cutter disc, and the upper end of the first cutter head is provided with a clamping groove, the bottom end of the inner cavity of the clamping groove is provided with a blind hole, and the inner cavity of the clamping groove is inserted with a cutting fin, the inner side of the cutting fin is provided with a positioning hole in a penetrating way, the edge of the bottom end of the second cutter disc is provided with an annular pressing groove, the bottom end of the second cutter disc is provided with a pressing block, this kind of cutting blade for breaker can enough save change material cost, can improve the convenience of changing again, has reached the effect that improves cutting blade maintenance and change efficiency.

Description

Cutting blade for crusher

Technical Field

The utility model relates to a mechanical cutting tool technical field specifically is a cutting blade for breaker.

Background

The breaker can divide into metal breaker and non-metal crusher according to the major part, no matter be metal breaker or non-metal crusher all adopt the high-speed rotation of cutting crushing blade to carry out the breakage to the material, therefore, cutting blade is the part of wearing and tearing most easily in the breaker, the change frequency is higher, the cutting blade of ordinary breaker need dismantle whole blade disc from the axis of rotation when changing and get off and carry out the whole change, not only extravagant material, change efficiency is lower moreover. To this end, we propose a cutting blade for a crusher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting blade for breaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cutting blade for breaker, includes first blade disc and second blade disc, first blade disc bottom and second blade disc top have welded first go-between and second go-between respectively, first blade disc and second blade disc lateral wall have opened first mounting hole and second mounting hole respectively, and the second blade disc lateral wall runs through and has seted up first through hole, first blade disc upper end edge fixedly connected with retaining ring, and open on the first blade disc has the draw-in groove, draw-in groove inner chamber bottom is opened there is the blind hole, and the draw-in groove inner chamber inserts and be equipped with cutting fin, the locating hole has been seted up in the inboard running through of cutting fin, annular indent has been seted up to second blade disc bottom edge, and second blade disc bottom is equipped with the compact heap, the second through hole has been seted up in the inboard running through of compact heap, first blade disc and second blade disc pass through fastening screw fixed connection.

Preferably, the number of the first mounting holes and the second mounting holes is six, the first mounting holes and the second mounting holes are annularly and respectively arrayed on the side walls of the first cutter head and the second cutter head, and the first mounting holes and the second mounting holes are in one-to-one correspondence with each other from top to bottom.

Preferably, the width and height of the retainer ring are equal to those of the annular pressure groove.

Preferably, the number of the clamping grooves is six, the clamping grooves are annularly arrayed at the upper end of the first cutter head, and the shape and the size of the inner cavity of each clamping groove are the same as those of the inner half part of each cutting fin.

Preferably, the number of the pressing blocks is six, the pressing blocks are arranged at the bottom end of the second cutter disc in an annular array mode, the thickness of the pressing blocks and the thickness of the cutting fins are equal to the depth of the inner cavity of the clamping groove, the cross section of each pressing block is identical to the cross section of the clamping groove in shape and size, and the pressing blocks and the clamping groove are in one-to-one correspondence in position.

Preferably, the blind hole, the second through hole and the first through hole are all screw holes, and the fastening screw penetrates through the first through hole, the second through hole, the positioning hole and the blind hole from top to bottom in sequence.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of cutting blade for breaker can pertinence change the cutting fin of wearing and tearing through twisting fastening screw, can enough save the change material cost, can improve the convenience of changing again, has reached the effect that improves cutting blade maintenance change efficiency, and draw-in groove, retaining ring, fastening screw and compact heap that set up, can guarantee completely that cutting fin changes the stability and the fastness of back installation, has also ensured the stability that cutting blade used when guaranteeing convenient the change.

Drawings

FIG. 1 is a schematic view of the explosion structure of the present invention;

fig. 2 is a schematic view of the bottom explosion structure of the present invention.

In the figure: the cutting machine comprises a first cutter disc 1, a first connecting ring 11, a first mounting hole 12, a retainer ring 2, a clamping groove 3, a blind hole 31, a cutting fin 4, a positioning hole 41, a second cutter disc 5, a second connecting ring 51, a first through hole 52, a second mounting hole 53, an annular pressing groove 54, a fastening screw 6, a pressing block 7 and a second through hole 71.

Detailed Description

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

Referring to fig. 1-2, the present invention provides a technical solution: a cutting blade for a crusher comprises a first cutter head 1 and a second cutter head 5, wherein a first connecting ring 11 and a second connecting ring 51 are respectively welded at the bottom end of the first cutter head 1 and the top end of the second cutter head 5, the first connecting ring 11 and the second connecting ring 51 are identical in shape and size, used for being sleeved on a rotating shaft of the crusher, the side walls of the first cutter head 1 and the second cutter head 5 are respectively provided with a first mounting hole 12 and a second mounting hole 53, and the side wall of the second cutter head 5 is provided with a first through hole 52 in a penetrating way, the number of the first mounting holes 12 and the second mounting holes 53 is six, the first mounting holes and the second mounting holes are respectively arrayed on the side walls of the first cutter head 1 and the second cutter head 5 in an annular way, and the positions of the first mounting hole 12 and the second mounting hole 53 are in one-to-one correspondence, and the first mounting hole 12 and the second mounting hole 53 are reserved for splicing and connecting screws to reinforce the connection between the first cutter disc 1 and the second cutter disc 5 under the condition of requirement. 1 upper end edge fixedly connected with retaining ring 2 of first blade disc, and 1 upper end of first blade disc is opened there is draw-in groove 3, the quantity of draw-in groove 3 is six, is annular array in 1 upper end of first blade disc, and the shape size of 3 inner chambers of draw-in groove is the same with the shape size of half in cutting fin 4 for half 3 inner chambers of card income draw-in groove of cutting fin 4 can just accomplish the injecing of cutting fin 4 mounted position, and the outside of cutting fin 4 is sharp-pointed form, is used for promoting the cutting effect of blade. Open draw-in groove 3 inner chamber bottom has blind hole 31, and draw-in groove 3 inner chamber inserts and is equipped with cutting fin 4, cutting fin 4 inboard runs through and has seted up locating hole 41, annular indent 54 has been seted up to second blade disc 5 bottom edge, and second blade disc 5 bottom is equipped with compact heap 7, the wide height of retaining ring 2 all equals with the wide height of annular indent 54 for first blade disc 1 and second blade disc 5 when concatenation or welding together, retaining ring 2 can insert in the annular indent 54 for ensure the stability that first blade disc 1 and second blade disc 5 are connected. Second through hole 71 has been seted up to the inboard running-through of compact heap 7, the quantity of compact heap 7 is six, is annular array in second blade disc 5 bottom, and the thickness of compact heap 7 and cutting fin 4 equals with the degree of depth of draw-in groove 3 inner chamber, and compact heap 7 can play the effect of injecing cutting fin 4 upper portion position for compress tightly cutting fin 4, avoid its position to take place the skew, the shape size of compact heap 7 cross-section is the same with the shape size of draw-in groove 3 cross-section, and the one-to-one about the position of compact heap 7 and draw-in groove 3. First blade disc 1 and second blade disc 5 pass through fastening screw 6 fixed connection, blind hole 31, second through hole 71 and first through hole 52 are the screw, and fastening screw 6 from the top down runs through first through hole 52, second through hole 71, locating hole 41 and blind hole 31 in proper order, twists fastening screw 6, makes it break away from locating hole 41, can take out cutting fin 4 and change, can pertinence change wearing and tearing cutting fin 4, can enough save material can improve the convenience of changing again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cutting blade for a crusher, includes first blade disc (1) and second blade disc (5), its characterized in that: the cutting device is characterized in that a first connecting ring (11) and a second connecting ring (51) are welded at the bottom end of the first cutter disc (1) and the top end of the second cutter disc (5) respectively, a first mounting hole (12) and a second mounting hole (53) are respectively formed in the side walls of the first cutter disc (1) and the second cutter disc (5), a first through hole (52) is formed in the side wall of the second cutter disc (5) in a penetrating mode, a check ring (2) is fixedly connected to the edge of the upper end of the first cutter disc (1), a clamping groove (3) is formed in the upper end of the first cutter disc (1), a blind hole (31) is formed in the bottom end of an inner cavity of the clamping groove (3), a cutting fin (4) is inserted into the inner cavity of the clamping groove (3), a positioning hole (41) is formed in the inner side of the cutting fin (4) in a penetrating mode, an annular pressing groove (54), a second through hole (71) is formed in the inner side of the pressing block (7) in a penetrating mode, and the first cutter disc (1) and the second cutter disc (5) are fixedly connected through fastening screws (6).

2. A cutting blade for a crusher as claimed in claim 1, wherein: the quantity of first mounting hole (12) and second mounting hole (53) is six, is the annular array respectively on first blade disc (1) and second blade disc (5) lateral wall, and the one-to-one about the position of first mounting hole (12) and second mounting hole (53).

3. A cutting blade for a crusher as claimed in claim 1, wherein: the width and the height of the retainer ring (2) are equal to those of the annular pressure groove (54).

4. A cutting blade for a crusher as claimed in claim 1, wherein: the quantity of draw-in groove (3) is six, is annular array in first blade disc (1) upper end, and the shape size of draw-in groove (3) inner chamber is the same with the shape size of cutting fin (4) interior half.

5. A cutting blade for a crusher as claimed in claim 1, wherein: the quantity of compact heap (7) is six, is annular array in second blade disc (5) bottom, and the thickness of compact heap (7) and cutting fin (4) equals with the degree of depth of draw-in groove (3) inner chamber, the shape size in compact heap (7) cross-section is the same with the shape size in draw-in groove (3) cross-section, and the one-to-one about the position of compact heap (7) and draw-in groove (3).

6. A cutting blade for a crusher as claimed in claim 1, wherein: the blind hole (31), the second through hole (71) and the first through hole (52) are all screw holes, and the fastening screw (6) sequentially penetrates through the first through hole (52), the second through hole (71), the positioning hole (41) and the blind hole (31) from top to bottom.