CN112619831B - Mortise and tenon split type shredder cutter - Google Patents
Mortise and tenon split type shredder cutter Download PDFInfo
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- CN112619831B CN112619831B CN202011618592.5A CN202011618592A CN112619831B CN 112619831 B CN112619831 B CN 112619831B CN 202011618592 A CN202011618592 A CN 202011618592A CN 112619831 B CN112619831 B CN 112619831B
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
- B02C2018/188—Stationary counter-knives; Mountings thereof
Abstract
The invention discloses a mortise and tenon split type shredder cutter, and belongs to the technical field of cutters for machining. The invention comprises a cutter rest and a plurality of cutter heads, wherein a plurality of mounting grooves are uniformly arranged at intervals around the periphery of the cutter rest, wedge blocks are arranged in the mounting grooves, matched fixing grooves are formed in positions, corresponding to the wedge blocks, of the cutter heads, and the tops of the wedge blocks are internally embedded into the fixing grooves and fix the cutter heads on the periphery of the cutter rest; wherein the embedded groove is offered in one side of tool bit, and the opposite side of tool bit is provided with the fixed block with embedded groove matched with, links together through embedded groove and fixed block mutually supporting between two adjacent tool bits. Aiming at the problem that cutter heads are easy to loosen in the high-speed rotation shredding process of cutter blades in the prior art, the invention provides the mortise and tenon split type shredder cutter, which is high in installation and matching precision, effectively avoids the conditions that the cutter heads are loose in the high-speed rotation shredding process, is simple in structure, is convenient to assemble, disassemble and replace, and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of cutters for machining, and particularly relates to a cutter of a mortise and tenon split type shredder.
Background
The shredder blade is one of the most important accessories on the shredder, directly influences the processing period of the machine on waste, is used as a crushing work part on the shredder and is used for crushing, tearing and extruding to reduce the size of the material, and is widely applied to crushing waste plastics, waste rubber, wood and other large-volume wastes. The part that is used for cutting the material on the shredder blade can be called the tool bit, can be equipped with the tool bit of a plurality of cutting the material on the general blade, but the phenomenon that the tool bit is not hard up easily appears in the course of working, leads to the tool bit to easily appear wearing and tearing scheduling problem in high-speed rotatory in-process, not only influences shredding effect, still easily appears the safety problem. Therefore, there is an urgent need to design a shredder tool holder structure with a tool bit which is not easy to loosen and wear.
Numerous patent publications have been searched for the structure of the shredder blade holder, such as chinese patent application No.: 2017203165062, the invention is named: the application discloses a shredder blade, which comprises a cutter head and a plurality of cutter heads, wherein the cutter heads are fixed around the cutter head in the same clockwise direction; the cutter head is detachably fixed on the cutter head through bolts; the cutter head comprises a main cutter head and an auxiliary cutter head; the main cutter head and the auxiliary cutter head are connected end to end; the main cutter head is provided with a cutter tip. The shredder blade of this scheme makes things convenient for the dismouting to change, and the secondary installation cooperation precision is high, has not only improved work efficiency, and has increased the sharpness of shredder blade.
Another example is chinese patent application No.: 2017113925555, the invention is named: the utility model discloses a biax shredder blade, this application discloses a biax shredder blade, including the disc cutting knife body and laminate in the annular cutting knife board of disc cutting knife body both sides surface, disc cutting knife body periphery all is equipped with tooth form feed arch, annular cutting knife board comprises a plurality of cutting blades that can enclose into annular, cutting knife's arc surface is provided with the shearing blade of a plurality of trench shape, cutting knife and disc cutting knife body are detachable connection, this scheme reasonable in design, convenient to use adopts two side pin location high strength bolt fastening integrated structure, simple to operate and firm, the cutter loss is less, the life is longer, cutter change and installation convenient operation have alleviateed human intensity of labour, the equipment has reduced by a wide margin and has changed the cutter time, production efficiency has been improved.
The two schemes are not lost to be good researches on the structure of the shredder cutter frame, but still have room for further improvement, and the researches on the structure of the shredder cutter frame in the industry are never stopped.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the problem that cutter heads are easy to loosen in the high-speed rotation shredding process of cutter blades in the prior art, the invention provides the mortise and tenon split type shredder cutter, which is high in installation and matching precision, effectively avoids the conditions that the cutter heads are loose in the high-speed rotation shredding process, is simple in structure, is convenient to assemble, disassemble and replace, and improves the working efficiency.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The invention relates to a mortise and tenon split type shredder cutter which comprises a cutter rest and a plurality of cutter heads, wherein the periphery of the cutter rest is uniformly provided with a plurality of mounting grooves at intervals around the circumference, wedge blocks are arranged in the mounting grooves, the positions of the cutter heads corresponding to the wedge blocks are provided with matched fixing grooves, and the tops of the wedge blocks are internally embedded into the fixing grooves and fix the cutter heads on the periphery of the cutter rest; wherein the embedded groove is offered in one side of tool bit, and the opposite side of tool bit is provided with the fixed block with embedded groove matched with, links together through embedded groove and fixed block mutually supporting between two adjacent tool bits.
As a further improvement of the invention, the mounting groove comprises a wedge groove, two side edges of the wedge groove are obliquely arranged inwards and upwards, and an included angle between the oblique side edges of the wedge groove and the horizontal plane is alpha, and the range of alpha is 10 degrees to 20 degrees.
As a further improvement of the invention, a key groove is formed in the center of the wedge groove inwards, a connecting key is arranged in the key groove, a matched connecting groove is formed in a position, corresponding to the connecting key, of the cutter head, the top of the connecting key is embedded into the connecting groove, and the top position of the connecting key extends beyond the top position of the wedge.
As a further improvement of the invention, the connecting key comprises a tool bit attaching section matched with the connecting groove on the tool bit, the tool bit attaching section is of a rectangular structure, the bottom of the tool bit attaching section is provided with a wedge attaching section, the cross section of the wedge attaching section is gradually reduced along the central direction close to the tool rest, the bottom of the wedge attaching section is provided with a tool rest attaching section matched with the fixing groove on the tool rest, and the tool rest attaching section is of a rectangular structure.
As a further improvement of the invention, the thickness of the wedge block is consistent with the height of the wedge block attaching section, and the included angle between the wedge block attaching section and the vertical plane is beta, and the range of beta is 5-10 degrees.
As a further improvement of the invention, the outside of the cutter head is provided with a tooth structure, the center of the inside of the cutter head is provided with an inner block which is internally embedded into the mounting groove, the center of the inner block is provided with a fixing groove matched with the wedge block along the length direction, and the fixing groove is provided with a matched connecting groove at a position corresponding to the connecting key.
As a further improvement of the invention, the two sides of the inner block are symmetrically provided with the abutting sections, the outer side of one abutting section is provided with the inner embedding groove, and the outer side of the other abutting section is provided with the fixing block matched with the inner embedding groove.
As a further improvement of the invention, the two sides of the mounting groove are respectively and horizontally extended with a bearing section, and the bearing section is attached to the abutting section.
As a further improvement of the invention, the section of the tool rest is in a regular hexagon shape, and the six tool bits are respectively fixed on the surfaces of the sides of the regular hexagon in an end-to-end connection mode.
As a further improvement of the invention, the center of the tool rest is provided with an installation cavity, the section of the installation cavity is regular hexagon, and an arc transition section is arranged between the two connected sides.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the mortise and tenon split type shredder tool, one side of the wedge block is connected with the tool rest, the other side of the wedge block is connected with the tool bit, the tool bit can be effectively fixed on the periphery of the tool rest, the disassembly and the assembly are convenient, and the tool bit is fixed on the tool rest by sequentially penetrating through the tool bit and the bolt holes on the tool rest through the fixing bolts, so that the connection firmness between the tool bit and the tool rest is further ensured. The wedge block can effectively avoid the situation that the machine cannot bear force and the bolt is difficult to assemble in the production process due to dislocation and non-parallelism of the cutter head, and the fit tolerance and the centering size of the wedge block in the machining process of the cutter head and the cutter rest of the split structure must be ensured to be in a smaller range, so that the bolt and the positioning block are easy to assemble in the assembling process, and the optimal stress effect is obtained.
(2) According to the mortise and tenon joint split type shredder tool disclosed by the invention, the two side edges of the wedge block groove are obliquely arranged inwards and upwards, the included angle between the inclined side edges of the wedge block groove and the horizontal plane is alpha, and similarly, the included angle between the inclined side edges of the two sides of the wedge block and the horizontal plane is also alpha, and the range of alpha is 10-20 degrees. When the blade is in the high-speed rotation process, the inclined edges at two sides of the wedge block are subjected to extrusion force to move left and right, and as the wedge block is of an out splayed structure, the part, embedded into the wedge block groove, of the wedge block is attached to the tool rest more and more tightly under the action of the extrusion force, so that the problem that a tool bit and the tool rest are loose and even separated in the working process can be solved, the tool bit can be tightly combined with the tool rest by the wedge block due to the action of the extrusion force in the high-speed rotation process, the use stability and the safety of the cutter blade of the tearing machine are guaranteed, and the machining precision and the service life of the cutter blade are improved.
(3) According to the mortise and tenon split type shredder tool disclosed by the invention, the embedded groove is formed in one side of the tool bit, the fixed block matched with the embedded groove is arranged on the other side of the tool bit, the embedded groove and the fixed block are respectively arranged at the joint positions of the tool bit and the side surfaces of the adjacent tool bits on two sides, the adjacent two tool bits are mutually matched and connected together through the embedded groove and the fixed block, and a plurality of tool bits are mutually matched and connected into an annular structure, so that gaps between the tool bits are avoided in the working process. Through the mutually supporting of embedded groove and fixed block, can effectively realize the close connection between the adjacent tool bit, avoid appearing the tool bit at shredding in-process not hard up problem that breaks away from even, and easy dismounting.
(4) According to the mortise and tenon split type shredder tool disclosed by the invention, the position of the tool bit corresponding to the connecting key is provided with the matched connecting groove, the top of the connecting key is embedded into the connecting groove, and the top position of the connecting key extends beyond the top position of the wedge block. The key groove is embedded into one side of the connecting key, and the connecting groove of the cutter head is embedded into the other side of the connecting key, so that the connection between the cutter head and the cutter rest is further enhanced.
(5) According to the mortise and tenon split type shredder tool disclosed by the invention, the tool rest attaching section is of the splayed structural design, the connecting key is pressed towards the inner side of the tool rest after being subjected to the extrusion acting force of the tool bit, and the connecting key extrudes the wedge block in the left-right direction under the extrusion acting force, so that the wedge block is attached with the tool rest more tightly, the connection between the tool bit and the tool rest is further enhanced, the tool bit is prevented from loosening, the problems of tool bit abrasion and the like in the loosening process are avoided, and the service life of the tool bit and the service stability of the whole tearing machine are further improved.
(6) According to the mortise and tenon split type shredder tool, the inner blocks are clamped into the mounting grooves, the wedge blocks and the two ends of the connecting key are respectively clamped into the tool bit and the tool rest, triple connection between the tool bit and the tool rest is realized, stability of multidirectional connection between the tool bit and the tool rest can be effectively ensured, and integral machining precision is improved.
Drawings
FIG. 1 is a schematic view of an assembled front view of a mortise and tenon split shredder tool of the present invention;
FIG. 2 is a schematic view of an assembled front cross-sectional structure of a mortise and tenon split shredder tool of the present invention;
FIG. 3 is a schematic view of the front view of the tool holder of the present invention;
FIG. 4 is a schematic perspective view of a tool bit according to the present invention;
fig. 5 is a schematic view of the wedge block of the present invention in a front view.
The reference numerals in the figures are:
100. a tool holder; 110. a mounting cavity; 120. a mounting groove; 121. wedge groove; 122. a key slot; 123. a receiving section; 200. a cutter head; 210. an embedded groove; 220. a fixed block; 230. a tooth structure; 240. an internal block; 250. a tightening section; 201. a fixing bolt; 300. wedge blocks; 400. a connecting key; 410. a cutter head attaching section; 420. wedge block jointing section; 430. and the tool rest is attached to the section.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention is further described below with reference to examples.
Example 1
Referring to fig. 1-5, a mortise and tenon joint split type shredder tool of the present embodiment includes a tool rest 100 and a plurality of tool bits 200, wherein the tool bits 200 are fixed around the periphery of the tool rest 100 in the same clockwise direction. As shown in fig. 2 and 3, in this embodiment, the outer periphery of the tool holder 100 is uniformly provided with a plurality of mounting grooves 120 at intervals around the circumference, wedge blocks 300 are mounted in the mounting grooves 120, the positions of the tool bit 200 corresponding to the wedge blocks 300 are provided with matched fixing grooves, the top of the wedge blocks 300 are internally embedded into the fixing grooves and fix the tool bit 200 on the outer periphery of the tool holder 100, namely, one side of the wedge blocks 300 is connected with the tool holder 100, the other side of the wedge blocks 300 is connected with the tool bit 200, the tool bit 200 can be effectively fixed on the outer periphery of the tool holder 100, the disassembly and assembly are convenient, bolt holes are formed in the positions corresponding to the mounting grooves 120 of the tool bit 200 and the tool holder 100, and the fixing bolts 201 sequentially penetrate through the bolt holes on the tool bit 200 and the tool holder 100 to fix the tool bit 200 on the tool holder 100, so that the connection firmness between the tool bit 200 and the tool holder 100 is further ensured. The wedge block 300 can effectively avoid the situation that the machine cannot bear force and the bolt is difficult to assemble due to dislocation and non-parallelism of the tool bit 200, and the fit tolerance and the split size of the wedge block 300 of the tool bit 200 and the tool rest 100 with split structures must be ensured to be in a smaller range in the machining process, so that the bolts and the positioning blocks are easy to assemble in the assembling process, and the optimal stress effect is obtained.
As shown in fig. 3 and 5, the mounting groove 120 in this embodiment includes a wedge groove 121, the shape of the wedge groove 121 is consistent with that of the wedge 300, the thickness dimension of the wedge 300 is greater than the depth dimension of the wedge groove 121, the two sides of the wedge groove 121 are inclined inwards and upwards, the included angle between the inclined sides of the wedge groove 121 and the horizontal plane is alpha, the wedge 300 has a splayed structure along the direction close to the center of the tool holder 100, the included angle between the inclined sides of the wedge 300 and the horizontal plane is also alpha, and the range of alpha is 10 deg. -20 deg.. Specifically, α is 10 ° in the present embodiment. When the blade of this embodiment is rotated at a high speed, the inclined edges at two sides of the wedge 300 are moved in the left-right direction by the extrusion force, and because the wedge 300 is in a splayed structure, the part of the wedge 300 embedded into the wedge groove 121 is tightly attached to the blade holder 100 under the action of the extrusion force, so that the problem that the blade head 200 is loose and even separated from the blade holder 100 during operation can not occur, but the wedge 300 can tightly combine the blade head 200 with the blade holder 100 due to the action of the extrusion force during high-speed rotation, thereby ensuring the stability and safety of the tearing machine blade, and improving the processing precision and the service life of the blade.
As shown in fig. 4, in this embodiment, one side of the cutter head 200 is provided with an embedded groove 210, the other side of the cutter head 200 is provided with a fixing block 220 matched with the embedded groove 210, the embedded groove 210 and the fixing block 220 are respectively arranged at the joint between the cutter head 200 and the side surfaces of the adjacent cutter heads 200 on two sides, and the adjacent two cutter heads 200 are mutually matched and connected together through the embedded groove 210 and the fixing block 220. Specifically, as shown in the orientation of fig. 2, the fixing block 220 on the right side of the middle cutter head 200 is inserted into the insertion groove 210 on the left side of the right cutter head 200, and the fixing block 220 on the right side of the left cutter head 200 is inserted into the insertion groove 210 on the left side of the middle cutter head 200, and so on, the plurality of cutter heads 200 are mutually matched and connected into a ring structure, so that gaps between the cutter heads 200 are avoided in the working process. Through the mutual cooperation of the embedded groove 210 and the fixed block 220, the tight connection between the adjacent cutter heads 200 can be effectively realized, the problem that the cutter heads 200 are loosened or even separated in the shredding process is avoided, and the disassembly and the assembly are convenient.
As shown in fig. 3, the center of the wedge groove 121 in this embodiment is provided with a key groove 122 inwards, a connecting key 400 is installed in the key groove 122, a matched connecting groove is provided at a position of the tool bit 200 corresponding to the connecting key 400, the top of the connecting key 400 is embedded into the connecting groove, and the top position of the connecting key 400 extends beyond the top position of the wedge 300. As shown in fig. 4, a connecting key 400 is disposed at the center of the wedge 300, the wedge 300 and the connecting key 400 may be designed in an integrated structure or a split structure, specifically, in this embodiment, the wedge 300 and the connecting key 400 are designed in a split structure, a mounting hole matched with the wedge 300 is formed at the center of the connecting key 400, the connecting key 400 is sleeved on the periphery of the wedge 300, and the connecting key 400 is located at the center of the wedge 300 in the length direction. The key groove 122 is inserted into one side of the connection key 400, and the connection groove of the tool bit 200 is inserted into the other side of the connection key 400, thereby further enhancing the connection between the tool bit 200 and the tool holder 100.
In this embodiment, the connecting key 400 includes a tool bit attaching section 410 that mates with a connecting groove on the tool bit 200, the tool bit attaching section 410 is of a rectangular structure, the bottom of the tool bit attaching section 410 is provided with a wedge attaching section 420, the cross section of the wedge attaching section 420 is gradually reduced along the central direction close to the tool rest 100, the bottom of the wedge attaching section 420 is provided with a tool rest attaching section 430 that mates with a fixing groove on the tool rest 100, and the tool rest attaching section 430 is also of a rectangular structure. That is, as shown in fig. 4, in this embodiment, the tool rest attaching section 430 is in a splayed structural design, the connecting key 400 is pressed against the connecting key 400 toward the inner side of the tool rest 100 after receiving the pressing force of the tool bit 200, and the connecting key 400 presses the wedge 300 in the left-right direction under the action of the pressing force, so that the wedge 300 is attached to the tool rest 100 more tightly, the connection between the tool bit 200 and the tool rest 100 is further enhanced, the tool bit 200 is ensured not to be loosened, the problems of abrasion of the tool bit 200 and the like in the loosening process are avoided, and the service life of the tool bit 200 and the service stability of the whole tearing machine are further improved. The thickness of the wedge 300 is consistent with the height of the wedge attaching section 420, and the included angle between the wedge attaching section 420 and the vertical plane is beta, and the range of beta is 5-10 degrees. Specifically, β is 5 ° in the present embodiment.
Example 2
In this embodiment, the basic structure of the mortise and tenon split type shredder tool is consistent with that of embodiment 1, further, as shown in fig. 4, a tooth structure 230 is disposed on the outer side of the cutter head 200 in this embodiment, an inner block 240 embedded in the mounting groove 120 is disposed at the inner center of the cutter head 200, a fixing groove matched with the wedge 300 is formed in the center of the inner block 240 along the length direction, and a matched connecting groove is formed in a position corresponding to the connecting key 400 on the fixing groove, wherein the position of the connecting groove corresponds to that of the key groove 122 and is respectively used for being clamped at two ends of the connecting key 400 in the thickness direction. The inner block 240 is clamped into the mounting groove 120, the wedge block 300 and the two ends of the connecting key 400 are respectively clamped into the tool bit 200 and the tool rest 100, triple connection between the tool bit 200 and the tool rest 100 is realized, stability of multidirectional connection between the tool bit 200 and the tool rest 100 can be effectively ensured, and overall machining precision is improved.
In this embodiment, two sides of the inner block 240 are symmetrically provided with a horizontally extending abutting section 250, an inner embedding groove 210 is formed on the outer side of one abutting section 250, and a fixing block 220 matched with the inner embedding groove 210 is formed on the outer side of the other abutting section 250. The two sides of the mounting groove 120 are respectively and horizontally extended with a receiving section 123, and the receiving section 123 is attached to the abutting section 250, so that the tight attachment between the tool bit 200 and the tool rest 100 is ensured.
In this embodiment, the included angle between the inclined side edges of the wedge groove 121 and the horizontal plane is α, and similarly, the wedge 300 has a splayed structure along the direction close to the center of the tool holder 100, and the included angle between the inclined side edges of the wedge 300 and the horizontal plane is also α, α is 20 °.
In this embodiment, the included angle between the wedge attaching section 420 and the vertical plane is β, and β is 10 °.
Example 3
The basic structure of the mortise and tenon split type shredder tool in this embodiment is consistent with that of embodiment 1, and further, as shown in fig. 1, the cross section of the tool rest 100 in this embodiment is a regular hexagon, and the six tool bits 200 are fixed on the surface of each side of the regular hexagon in an end-to-end connection manner. The center of the tool rest 100 is provided with a mounting cavity 110, the cross section of the mounting cavity 110 is regular hexagon, and an arc transition section is arranged between two connected sides.
In this embodiment, the included angle between the inclined side edges of the wedge groove 121 and the horizontal plane is α, and similarly, the wedge 300 has a splayed structure along the direction close to the center of the tool holder 100, and the included angle between the inclined side edges of the wedge 300 and the horizontal plane is also α, α is 15 °.
In this embodiment, the included angle between the wedge attaching section 420 and the vertical plane is β, and β is 8 °.
The examples of the present invention are merely for describing the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and those skilled in the art should make various changes and modifications to the technical solution of the present invention without departing from the spirit of the present invention.
Claims (5)
1. Split type shredder cutter of mortise and tenon joint, its characterized in that: the tool rest comprises a tool rest body (100) and a plurality of tool bits (200), wherein a plurality of mounting grooves (120) are uniformly formed in the periphery of the tool rest body (100) at intervals in the circumferential direction, wedge blocks (300) are mounted in the mounting grooves (120), matched fixing grooves are formed in positions, corresponding to the wedge blocks (300), of the tool bits (200), and the top of each wedge block (300) is embedded into each fixing groove and used for fixing the tool bits (200) on the periphery of the tool rest body (100);
the outer side of the cutter head (200) is provided with a tooth structure (230), and the inner center position of the cutter head (200) is provided with an inner block (240) which is internally embedded into the mounting groove (120);
the two sides of the inner block (240) are symmetrically provided with abutting sections (250), an inner embedding groove (210) is formed in the outer side of one abutting section (250), and a fixing block (220) matched with the inner embedding groove (210) is arranged in the outer side of the other abutting section (250);
two adjacent tool bits (200) are mutually matched and connected together through an embedded groove (210) and a fixed block (220);
the mounting groove (120) comprises a wedge groove (121), two side edges of the wedge groove (121) are obliquely arranged inwards and upwards, an included angle between the inclined side edge of the wedge groove (121) and the horizontal plane is alpha, and the range of alpha is 10-20 degrees;
a key groove (122) is formed in the center of the wedge groove (121) inwards, a connecting key (400) is arranged in the key groove (122), a matched connecting groove is formed in a position, corresponding to the connecting key (400), of the cutter head (200), the connecting groove is embedded into the top of the connecting key (400), and the top position of the connecting key (400) extends beyond the top position of the wedge (300);
the connecting key (400) comprises a tool bit attaching section (410) matched with a connecting groove on the tool bit (200), the tool bit attaching section (410) is of a rectangular structure, a wedge block attaching section (420) is arranged at the bottom of the tool bit attaching section (410), the cross section of the wedge block attaching section (420) is gradually reduced along the central direction close to the tool rest (100), a tool rest attaching section (430) matched with a fixing groove on the tool rest (100) is arranged at the bottom of the wedge block attaching section (420), and the tool rest attaching section (430) is of a rectangular structure;
the thickness of the wedge block (300) is consistent with the height of the wedge block attaching section (420), and the included angle between the wedge block attaching section (420) and the vertical plane is beta, and the range of beta is 5-10 degrees.
2. The mortise and tenon joint split shredder cutter according to claim 1, characterized in that: the center of the inner block (240) is provided with a fixing groove matched with the wedge block (300) along the length direction, and the fixing groove is provided with a matched connecting groove at a position corresponding to the connecting key (400).
3. The mortise and tenon joint split shredder cutter according to claim 2, characterized in that: two sides of the mounting groove (120) are respectively and horizontally extended and provided with a bearing section (123), and the bearing section (123) is attached to the abutting section (250).
4. A split mortise and tenon joint shredder tool according to any one of claims 1-3, characterized in that: the cross section of the tool rest (100) is regular hexagon, and the six tool bits (200) are fixed on the surface of each side of the regular hexagon in an end-to-end connection mode.
5. The mortise and tenon joint split shredder tool according to claim 4, characterized in that: the center position of the tool rest (100) is provided with an installation cavity (110), the section of the installation cavity (110) is regular hexagon, and an arc transition section is arranged between two connected sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618592.5A CN112619831B (en) | 2020-12-30 | 2020-12-30 | Mortise and tenon split type shredder cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618592.5A CN112619831B (en) | 2020-12-30 | 2020-12-30 | Mortise and tenon split type shredder cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112619831A CN112619831A (en) | 2021-04-09 |
| CN112619831B true CN112619831B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011618592.5A Active CN112619831B (en) | 2020-12-30 | 2020-12-30 | Mortise and tenon split type shredder cutter |
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| CN (1) | CN112619831B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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