CN220004215U - Cutting pick compressing mechanism - Google Patents
Cutting pick compressing mechanism Download PDFInfo
- Publication number
- CN220004215U CN220004215U CN202321470351.XU CN202321470351U CN220004215U CN 220004215 U CN220004215 U CN 220004215U CN 202321470351 U CN202321470351 U CN 202321470351U CN 220004215 U CN220004215 U CN 220004215U
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- pressing
- roller body
- pick
- shaped
- axial direction
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- 238000005520 cutting process Methods 0.000 title abstract description 41
- 238000003825 pressing Methods 0.000 claims abstract description 111
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000036346 tooth eruption Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Press Drives And Press Lines (AREA)
Abstract
The utility model discloses a cutting pick pressing mechanism which comprises a multi-prismatic roller body, wherein a plurality of cutting picks are inserted into each prismatic surface of the roller body at intervals along the axial direction of the roller body, each cutting pick comprises a cutting pick head, a bearing table and a tooth handle which are sequentially and integrally connected from top to bottom, V-shaped pressing strip grooves are respectively formed in the side surfaces of the two sides perpendicular to the axial direction of the roller body of the bearing table, elastic pressing strips are arranged in the V-shaped pressing strip grooves, a plurality of pressing plates are arranged on each prismatic surface of the roller body at intervals along the axial direction of the roller body, each pressing plate is a pressing surface on the side surface perpendicular to the axial direction of the roller body, the pressing surfaces press the corresponding elastic pressing strips, so that the elastic pressing strips are pressed and deformed and filled in the V-shaped pressing strip grooves, and the cutting picks corresponding to the pressing surfaces are pressed on the prismatic surfaces. According to the utility model, on the basis of being capable of pressing the cutting pick on the edge surface (mounting surface), the cutting pick is fixed more firmly, the loosening of bolts can be prevented, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field of toothed roll crushers, in particular to a cutting pick pressing mechanism.
Background
Compared with the traditional integral casting integral toothed roller crusher, the plug-in toothed roller crusher has the characteristics of reasonable structure, convenient maintenance, low cost, quick pick replacement and the like, and avoids the defects of increased cost, long-time production stopping and the like caused by the need of roll body replacement due to abrasion, damage and the like of a small number of picks.
Referring to fig. 1, in a pick 2 of a conventional plug-in type toothed roller crusher, a handle 23 of the pick 2 is usually inserted into an insertion hole on the surface of a roller body 1, and then the pick 2 is directly fixed and pressed on the roller body 1 through a T-shaped bolt 12, although the structure is simple, in use, the pick 2 is subjected to extrusion and impact of materials when crushing the materials, and vibration is generated, so that the T-shaped bolt 12 is easy to loosen and even fall off, which causes trouble to maintenance of equipment, and also increases maintenance cost. Therefore, it is necessary to design a pick pressing structure for preventing the loosening of the bolt to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art, and provides a cutting pick compressing mechanism which can compress a cutting pick on a land (mounting surface) so that the cutting pick is fixed more firmly, the loosening of bolts can be prevented, and the maintenance cost is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a pick hold-down mechanism, including the roll body of polygon prism shape, the equal interval cartridge of axial along the roll body on every prismatic surface of roll body has a plurality of pick, and every pick all includes pick head, pressure-bearing platform and the tooth handle that top-down integrally connected in proper order, its characterized in that: the bearing table is characterized in that V-shaped pressing strip grooves are respectively formed in two side faces perpendicular to the axial direction of the roller body, elastic pressing strips are arranged in the V-shaped pressing strip grooves, a plurality of pressing plates are arranged on each edge face of the roller body at intervals along the axial direction of the roller body, each pressing plate is a pressing face perpendicular to the axial side face of the roller body, the pressing faces press the corresponding elastic pressing strips, so that the elastic pressing strips are pressed and deformed and are filled in the V-shaped pressing strip grooves, and cutting teeth corresponding to the pressing faces are pressed on the edge faces.
Furthermore, the two side surfaces of the pressure-bearing table, which are perpendicular to the axial direction of the roller body, are inclined slope surfaces in a positive splayed shape, and the V-shaped pressing strip groove is parallel to the bottom surface of the pressure-bearing table.
Further, a plurality of lower positioning key grooves are formed in each edge surface of the roller body at intervals along the axial direction of the roller body, positioning keys are embedded in each lower positioning key groove, and the upper parts of the positioning keys are exposed from the lower positioning key grooves.
Further, the top surface of each pressing plate is an arc surface which bulges along the circumferential direction of the roller body, the bottom surface of each pressing plate is a plane, the pressing surface is an inverted splayed slope surface, the inverted splayed slope surface extrudes a corresponding elastic pressing strip, the bottom surface of each pressing plate is provided with an upper positioning key groove opposite to the corresponding lower positioning key groove, the exposed part of the positioning key is embedded into the corresponding upper positioning key groove, and the corresponding pressing plate is positioned on the edge surface.
Further, a plurality of threaded blind holes are respectively arranged on each prismatic surface of the roller body at positions corresponding to each pressing plate.
Further, each pressing plate is respectively provided with a plurality of T-shaped counter bores penetrating through the upper surface and the lower surface of the pressing plate, the T-shaped counter bores are respectively in one-to-one correspondence with the threaded blind holes, bolts penetrate through the T-shaped counter bores from outside to inside and are screwed into the threaded blind holes corresponding to the T-shaped counter bores, and the corresponding pressing plates are fixed on the edges of the corresponding pressing plates.
Further, the elastic pressing strip is in a column shape, and is made of compressed elastic materials.
Compared with the prior art, the utility model has the beneficial effects that:
1. the elastic pressing strip is adopted, is pressed and deformed under the extrusion action of the pressing plate, and is filled in the V-shaped pressing strip groove where the pressing plate is positioned, so that the pressed surface of the cutting pick is enlarged, the fixing of the cutting pick is firmer, and the phenomenon that the bolt is sheared due to torsion of the cutting pick in operation is avoided.
2. The utility model utilizes the elastic characteristic of the elastic pressing strip to greatly damp and attenuate the vibration generated by the cutting pick during working, and overcomes the phenomenon of loosening caused by direct contact with a vibration source by adopting the traditional bolt fixation.
3. According to the utility model, the cutting pick is pressed on the edge surface (mounting surface) by the pressing plate, so that the size of the cutting pick can be reduced on the basis of fixing the cutting pick, the weight of the cutting pick is further reduced, the manufacturing cost of the cutting pick is reduced, and the maintenance cost for replacing the cutting pick due to abrasion is reduced.
4. According to the utility model, the positioning key is arranged between the pressing plate and the edge surface where the pressing plate is positioned, so that the pressing plate is firmly positioned on the edge surface where the pressing plate is positioned, no displacement is generated, the fastening effect of the bolt is enhanced, and the loosening of the bolt is further avoided.
Drawings
Fig. 1 is a schematic diagram of a compacting structure of a conventional pick.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of the portion a in fig. 2.
Fig. 4 is an exploded view of the structure of the present utility model.
Fig. 5 is an enlarged schematic view of the structure of the portion B in fig. 4.
FIG. 6 is a schematic view of a platen according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 2-6, a cutting pick compressing mechanism comprises a multi-prismatic roller body 1, a plurality of cutting picks 2 are inserted into each edge surface of the roller body 1 at intervals along the axial direction of the roller body 1, each cutting pick comprises a cutting pick head 21, a pressure-bearing table 22 and a tooth handle 23 which are sequentially and integrally connected from top to bottom, V-shaped layering grooves 3 are respectively arranged on two side surfaces perpendicular to the axial direction of the roller body 1 of the pressure-bearing table 22, elastic layering 4 are arranged in the V-shaped layering grooves 3, a plurality of pressing plates 5 are arranged on each edge surface of the roller body 1 at intervals along the axial direction of the roller body 1, each pressing plate is a compressing surface on the side surface perpendicular to the axial direction of the roller body 1, the compressing surface compresses the corresponding elastic layering 4, so that the elastic layering 4 is compressed and deformed and filled in the V-shaped layering grooves, and the edge surface corresponding to the compressing surface is compressed.
The tooth handle 23 has a tapered columnar structure with a large upper part and a small lower part.
In addition, a plurality of inserting holes 6 are formed in each edge surface of the roller body 1 along the axial direction of the roller body 1, and each inserting hole is matched with the tooth handle 23 and is a conical hole with a large upper part and a small lower part.
Therefore, by designing the tooth handle 23 into a conical columnar structure with a large upper part and a small lower part, designing each insertion hole into a conical hole which is matched with the tooth handle 23 and has a large upper part and a small lower part, when the tooth handle 23 is inserted into the corresponding insertion hole, the material is extruded by the material when the material is crushed, the tooth handle 23 can be tightened downwards, and the more stressed is tighter, so that the stability of the tooth handle 23 is further facilitated to be kept without loosening; when the tooth handle 23 is detached, the tooth handle is easily pulled out from the corresponding insertion hole.
In the utility model, the two side surfaces of the pressure-bearing table 22 perpendicular to the axial direction of the roller body 1 are positive splayed slope surfaces, and the V-shaped layering groove 3 is parallel to the bottom surface of the pressure-bearing table.
In the utility model, a plurality of lower positioning key grooves 7 are arranged on each edge surface of the roller body 1 at intervals along the axial direction of the roller body 1, each lower positioning key groove is embedded with a positioning key 8, and the upper part of the positioning key 8 is exposed from the lower positioning key groove.
In the utility model, the top surface of each pressing plate is an arc surface which bulges along the circumferential direction of the roller body 1, the bottom surface of each pressing plate is a plane, the pressing surface is an inverted splayed slope surface, the inverted splayed slope surface presses the corresponding elastic pressing strip 4, the bottom surface of each pressing plate is provided with an upper positioning key groove 9 opposite to the corresponding lower positioning key groove, the exposed part of the positioning key 8 is embedded into the corresponding upper positioning key groove 9, and the corresponding pressing plate is positioned on the edge surface.
Therefore, the top surface of the pressing plate 5 is designed to be an arc surface which bulges along the circumferential direction of the roller body 1, so that the pressing plate 5 can be uniformly stressed when contacting materials, and the service life of the pressing plate 5 is prolonged; the bottom surface of the pressing plate 5 is designed to be a plane, so that the pressing plate can be matched with the edge surface where the pressing plate is positioned; by designing the two side surfaces of the pressing plate 5 as inverted splayed slope surfaces and designing the two side surfaces of the bearing platform 22 as positive splayed slope surfaces, the two are mutually matched, so that the pressing of the cutting pick 2 is facilitated.
In addition, through the upper locating key groove 9 and the lower locating key groove 7 which are correspondingly designed, and through embedding the locating key 8, the pressing plate 5 is favorably and firmly located on the edge surface where the pressing plate is located.
In the utility model, four threaded blind holes 10 are respectively arranged on each prismatic surface of the roller body 1 at positions corresponding to each pressing plate.
In the utility model, four T-shaped counter bores 11 penetrating through the upper surface and the lower surface of each pressing plate are respectively arranged on each pressing plate, the four T-shaped counter bores 11 respectively correspond to the four threaded blind holes 10 one by one, bolts 12 penetrate through each T-shaped counter bore from outside to inside and are screwed into the corresponding threaded blind holes, and the corresponding pressing plates are fixed on the edges.
In the present utility model, the elastic bead 4 is in the shape of a column, and is made of a compressive elastic material, such as rubber, silica gel, etc.
The utility model is further described below with reference to the accompanying drawings:
during installation, each cutting pick 2 is inserted into the corresponding insertion hole 6, then the elastic pressing strip 4 is put into the V-shaped pressing strip groove 3, and the positioning key 8 is embedded into each lower positioning key groove 7.
Then, each pressing plate 5 is placed in place, so that four threaded counter bores 11 on the pressing plate correspond to four threaded blind holes 10 on the edge surface one by one. At the same time, the exposed part of the positioning key 8 is embedded into the upper positioning key groove 9, and the pressing plate 5 is positioned on the edge surface where the pressing plate is positioned.
Then, the bolts 12 pass through each T-shaped counter bore from outside to inside and are screwed into the corresponding threaded blind holes, so that the corresponding pressing plates are fixed on the edge surfaces where the corresponding pressing plates are located.
In the process, as the bolts 12 are gradually screwed, the corresponding elastic pressing strips 4 are pressed by the pressing surfaces, so that the elastic pressing strips 4 are pressed and deformed and filled in the V-shaped pressing strip grooves, and cutting picks corresponding to the pressing surfaces are pressed on the edges of the V-shaped pressing strip grooves.
In the use process, the elastic pressing strips 4 are pressed and deformed under the extrusion action of the corresponding pressing plates and are filled in the V-shaped pressing strip grooves 3 where the elastic pressing strips are located, so that the pressed surface of the cutting pick 2 is enlarged, the fixing of the cutting pick 2 is firmer, and the phenomenon that bolts are sheared due to torsion of the cutting pick 2 in work is avoided.
Moreover, by utilizing the elastic characteristic of the elastic pressing strip 4, vibration generated by the cutting pick 2 during working is greatly damped and attenuated, so that the phenomenon that the traditional bolt is adopted for fixing and is loosened due to direct contact with a vibration source can be overcome.
In addition, because the pressure plate 5 compresses the cutting pick 2 on the edge surface (mounting surface) where the cutting pick 2 is located, on the basis of fixing the cutting pick 2, the size of the cutting pick 2 can be reduced, and then the weight of the cutting pick 2 is reduced, so that the manufacturing cost of the cutting pick 2 can be reduced, and meanwhile, the maintenance cost for replacing the cutting pick 2 due to abrasion can be reduced.
In addition, because the positioning key 8 is arranged between the pressing plate 5 and the edge surface where the pressing plate is positioned, the pressing plate 5 can be firmly positioned on the edge surface where the pressing plate is positioned, no displacement is generated, the fastening effect of the bolt 12 is enhanced, and the loosening of the bolt 12 is further avoided.
Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.
Therefore, the above description is not intended to limit the scope of the utility model; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. The utility model provides a pick hold-down mechanism, including the roll body of polygon prism shape, the equal interval cartridge of axial along the roll body on every prismatic surface of roll body has a plurality of pick, and every pick all includes pick head, pressure-bearing platform and the tooth handle that top-down integrally connected in proper order, its characterized in that: the bearing table is characterized in that V-shaped pressing strip grooves are respectively formed in two side faces perpendicular to the axial direction of the roller body, elastic pressing strips are arranged in the V-shaped pressing strip grooves, a plurality of pressing plates are arranged on each edge face of the roller body at intervals along the axial direction of the roller body, each pressing plate is a pressing face perpendicular to the axial side face of the roller body, the pressing faces press the corresponding elastic pressing strips, so that the elastic pressing strips are pressed and deformed and are filled in the V-shaped pressing strip grooves, and cutting teeth corresponding to the pressing faces are pressed on the edge faces.
2. A pick hold-down mechanism as claimed in claim 1, wherein: the pressure-bearing table is perpendicular to the axial two side surfaces of the roller body and is a positive splayed slope surface, and the V-shaped pressing strip groove is parallel to the bottom surface of the pressure-bearing table.
3. A pick hold-down mechanism as claimed in claim 1, wherein: and a plurality of lower positioning key grooves are formed in each edge surface of the roller body at intervals along the axial direction of the roller body, positioning keys are embedded in each lower positioning key groove, and the upper parts of the positioning keys are exposed from the lower positioning key grooves.
4. A pick hold-down mechanism according to claim 3, wherein: the top surface of every clamp plate is followed the circular arc face that the circumference of roll body was uplifted, the bottom surface of every clamp plate is the plane, the compacting surface be the slope face of falling "eight" font, the slope face extrusion corresponding elasticity layering of falling "eight" font, the bottom surface of every clamp plate all is equipped with the last location keyway relative with corresponding lower location keyway, the exposure portion embedding of location key is in the corresponding last location keyway, the prism that will correspond clamp plate location is located.
5. A pick hold-down mechanism as claimed in claim 1, wherein: and a plurality of threaded blind holes are respectively arranged on each prismatic surface of the roller body at positions corresponding to each pressing plate.
6. A pick hold-down mechanism as claimed in claim 5, wherein: each pressing plate is respectively provided with a plurality of T-shaped counter bores penetrating through the upper surface and the lower surface of the pressing plate, the T-shaped counter bores are respectively in one-to-one correspondence with the threaded blind holes, bolts penetrate through the T-shaped counter bores from outside to inside and are screwed into the corresponding threaded blind holes, and the corresponding pressing plates are fixed on the edges.
7. A pick hold-down mechanism as claimed in claim 1, wherein: the elastic pressing strip is in a column shape, and is made of compressed elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321470351.XU CN220004215U (en) | 2023-06-09 | 2023-06-09 | Cutting pick compressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321470351.XU CN220004215U (en) | 2023-06-09 | 2023-06-09 | Cutting pick compressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004215U true CN220004215U (en) | 2023-11-14 |
Family
ID=88688191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321470351.XU Active CN220004215U (en) | 2023-06-09 | 2023-06-09 | Cutting pick compressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004215U (en) |
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2023
- 2023-06-09 CN CN202321470351.XU patent/CN220004215U/en active Active
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