CN101537576B - Cutter holding device and milling machine - Google Patents
Cutter holding device and milling machine Download PDFInfo
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- CN101537576B CN101537576B CN2009101353279A CN200910135327A CN101537576B CN 101537576 B CN101537576 B CN 101537576B CN 2009101353279 A CN2009101353279 A CN 2009101353279A CN 200910135327 A CN200910135327 A CN 200910135327A CN 101537576 B CN101537576 B CN 101537576B
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Abstract
The invention discloses a cutter holding device which relates to the technical field of mechanical processing and comprises a fixed seat and a cutter holder, wherein the cutter holder is provided with a cutter mounting hole used for mounting a cutter and a shank used for fixing the cutter holder, and the shank is mounted in a shank mounting hole of the fixed seat; and a chip-removal hole communicated with the exterior of the fixed seat is formed between the tail of the cutter mounting hole and the surface of the fixed seat and provided with an opening on the surface of the fixed seat. In the working process of the cutter, fine particles entering the cutter mounting hole are discharged out of the fixed seat along the cutter mounting hole and the chip-removal hole under the action of rotation centrifugal force of a driving part, thus preventing the fine particles from being blocked between a cutter head and a clamping sleeve, avoiding the influence on the rotation property of the cutter, reducing the wear of the cutter and the cutter holding device and prolonging the service life of the cutter and the cutter holding device. The invention also provides a milling machine.
Description
Technical field
The present invention relates to the Machining Technology field, relate in particular to a kind of cutter holding device and a kind of milling machine.
Background technology
When carrying out floor treatment, road-surface milling, cutter boring the ground product, boring, open channels or carry out the surface roughness processing, the cutter that is adopted is installed on the cutter holding device usually, and cutter holding device is rigidly attached to the surface of facility driving link by its bottom.
In the prior art, cutter holding device comprises holder that is fixed on facility driving link surface and the cutter holder that combines with holder, and the cutter holder is used for loading and unloading and changes cutter, and is fixed on the described holder by fixture.The front end of cutter holder is provided with the cutter installing hole, cutter leaves being installed in the cutter installing hole of gap, usually remain in the cutter installing hole by the chucking sleeve, cutter just can be installed in the cutter installing hole with neither breaking away from like this, again can be around the axis rotation of self.
The cutter that is installed in the cutter installing hole all has a certain degree with holder, when being beneficial to construct, processing object is applied the active force that mills, digs, bores.
In the use of cutter, the surface of the tip of cutter processing work piece, as the road surface, with the surfacing fragmentation of work piece, the waste material after the fragmentation comprises agglomerate and fine particle.Because have the gap between cutter and the cutter installing hole, fine particle can enter in the cutter installing hole, these a little granules such as untimely discharge; will be stuck in the zone of action of cutter with the chucking cover; to hinder the verticity of cutter, even can block cutter fully, cutter can't be rotated.The reduction of cutter verticity will cause cutter heel and toe wear phenomenons such as eccentric wear to occur, when serious, cutter holding device will be worn, and then may cause cutter and cutter holding device to change a series of problems such as difficulty.
In process to work piece processing, by the agglomerate in the waste material after the cutter fragmentation, volume is bigger, has bigger impulsive force toward contact, the texture material of adding after the fragmentation is harder, agglomerate will be splashed to the front end of cutter holder, and the front end of cutter holder is had bigger active force, make the front end of cutter holder be damaged.
Work piece is to the reaction force of cutter, not only cause the wearing and tearing of cutter itself, also make a bigger active force is also arranged between cutter holder and the holder, to cause the binding face between cutter holder and the holder to wear and tear, between cutter holder and the holder because of wearing and tearing the gap appears, if this gap can not be compensated, just can occur between cutter holder and the holder becoming flexible, make the rigidity and the intensity of whole tool-holder base device all can descend rapidly, influence the operate as normal of cutter, to such an extent as to cutter holding device also will be changed together with cutter, thereby causes use cost sharply to increase.
Summary of the invention
The purpose of this invention is to provide a kind of cutter holding device, fine particle enters the problem of blocking cutter in the cutter installing hole easily in the prior art to solve.
For solving the problems of the technologies described above, the invention provides a kind of cutter holding device, comprise holder, cutter holder, described cutter holder is provided with the cutter installing hole that is used for mounting cutter and is used for fixing the handle of a knife of described cutter holder, and described handle of a knife is installed in the handle of a knife installing hole on the described holder; To the chip-removal hole that forms between the surface of described holder with the external communications of described holder, described chip-removal hole has opening on the surface of described holder at the afterbody of described cutter installing hole;
The upper end of described holder has the handle of a knife hold-down apertures, can insert the handle of a knife hold down gag in this handle of a knife hold-down apertures, and described handle of a knife can be close in the end of described handle of a knife hold down gag;
Has the handle of a knife pressing groove on inclined plane with the corresponding position setting of described handle of a knife hold-down apertures on the described handle of a knife.
Preferably, described chip-removal hole is positioned at the lip-deep opening of described holder, specifically is positioned at the upper surface of the front end of described holder.
Preferably, the radial dimension of described chip-removal hole extremely becomes big in the surface of described holder gradually from the afterbody of described cutter installing hole.
Preferably, described cutter installing hole is axially parallel with the bearing of trend of described handle of a knife.
Preferably, the lower position of described cutter holder front end, be provided with a second-time breakage installing hole, in the described second-time breakage installing hole second-time breakage head be installed along described handle of a knife bearing of trend.
Preferably, the afterbody of a described second-time breakage installing hole to the end of described handle of a knife is provided with the handle of a knife through hole.
Preferably, a described second-time breakage installing hole is coaxial with described handle of a knife through hole.
Preferably, described handle of a knife hold-down apertures is handle of a knife collet threaded hole.
Preferably, described handle of a knife hold down gag is the handle of a knife hold-down bolt.
Preferably, the center of described handle of a knife hold-down bolt is provided with inner hexagonal hole.
Preferably, described handle of a knife hold-down apertures is skewed, and it is axially vertical with the inclined plane of described handle of a knife pressing groove.
Preferably, be provided with sealing device between the following abutment face of described cutter holder and described handle of a knife installing hole.
A kind of milling machine comprises the milling hub, and the outer circumference surface of described milling hub is provided with above-mentioned cutter holding device, and the bottom surface of described holder is fixedly connected on the outer circumference surface of described milling hub.
Preferably, the bottom surface of described holder is specially welding with the mode of fixedlying connected of the outer circumference surface of described milling hub.
Cutter holding device provided by the invention, at the afterbody of described cutter installing hole to a chip-removal hole with described holder external communications is set between the surface of described holder.In the course of work of cutter, under the effect of driving link rotary centrifugal force, the fine particle that enters in the cutter installing hole will be discharged to described holder outside along cutter installing hole, chip-removal hole, avoided fine particle to be blocked between the cutter head and chucking sleeve of cutter, can not influence the verticity of cutter, reduce the wearing and tearing of cutter and cutter holding device, prolonged the service life of cutter and cutter holding device.
In the preferred version, lower position at described cutter holder front end is provided with a second-time breakage installing hole along described handle of a knife bearing of trend, in the described second-time breakage installing hole second-time breakage head is installed, the agglomerate of second-time breakage head after to the cutter fragmentation has the effect of second-time breakage.The hard agglomerate that impulsive force is bigger in the waste material after the fragmentation is before the front end of running into the cutter holder; earlier carried out second-time breakage by the second-time breakage head; form that size is less, also smaller particles of impulsive force; thereby can the front end of cutter holder not damaged, the second-time breakage head can be protected the cutter holder effectively.
The present invention also provides a kind of milling machine, and the outer circumference surface of the milling hub of this milling machine is provided with above-mentioned cutter holding device.Because above-mentioned cutter holding device possesses above-mentioned technique effect, the milling machine that this cutter holding device is installed also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of cutter holding device provided by the invention;
Fig. 2 is the overall structure schematic diagram of cutter holding device provided by the invention;
Fig. 3 is the cutaway view of cutter holding device provided by the invention;
Fig. 4 is the rear view of the cutter holder in the cutter holding device provided by the invention;
Fig. 5 is the front view of the cutter holder in the cutter holding device provided by the invention;
Fig. 6 is the cutaway view of the cutter holder in the cutter holding device provided by the invention;
Fig. 7 is the schematic diagram that cutter holding device provided by the invention is connected with driving link;
Wherein: among Fig. 1-Fig. 7:
Second-time breakage 1, cutter installing hole 2, a second-time breakage installing hole 3, cutter holder 4, handle of a knife pressing groove 5, handle of a knife 6, rubber seal 7, handle of a knife patchhole 8, last abutment face 9, inner hexagonal hole 10, handle of a knife hold-down bolt 11, handle of a knife hold-down bolt hole 12, following abutment face 13, holder 14, chip-removal hole 15, horn mouth 16, holder rear wall 17, handle of a knife through hole 18, the second-time breakage head is installed shoulder 19, seal groove 20, driving link 21, cutter 22, knife bar 23, handle of a knife wedging inclined plane 24, remaining cascaded surface 25.
The specific embodiment
Below in conjunction with accompanying drawing content of the present invention is described, following description only is exemplary and indicative, should any restriction not arranged to protection scope of the present invention.
Please referring to Fig. 1, Fig. 2, Fig. 3, Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of cutter holding device provided by the invention, and Fig. 2 is the overall structure schematic diagram of cutter holding device provided by the invention, and Fig. 3 is the cutaway view of cutter holding device provided by the invention.
As Fig. 1, Fig. 2, shown in Figure 3, cutter holding device provided by the invention comprises holder 14 and cutter holder 4.
Wherein, the concrete structure of cutter holder 4 such as Fig. 4, Fig. 5, shown in Figure 6, the front end of cutter holder 4 is provided with cutter installing hole 2, the lower end is provided with and is used for the handle of a knife 6 of cutter holder 4 with holder 14 installations, in a kind of concrete embodiment, handle of a knife 6 is hexagon, and the both sides of the lower end of handle of a knife 6 form handle of a knife wedging inclined plane 24, and handle of a knife 6 can insert in the handle of a knife jack 8 on the holder 14.
In the preferred version, cutter installing hole 2 on the cutter holder 4 axially parallel with the bearing of trend of handle of a knife 6, this structure can reduce the abutment face of cutter holder 4 rear ends effectively to the active force between the holder 14, and the interference between the active force of 6 pairs of holders 14 of handle of a knife, make the abutment face of cutter holder 4 rear ends and the active force between the holder 14 more effectively transmit, increased the rigidity and the stability of whole cutter holding device.
In a kind of concrete embodiment, the front end of holder 14 is provided with handle of a knife jack 8, can insert handle of a knife 6 in the handle of a knife patchhole 8, and the dual-side of handle of a knife patchhole 8 is along forming remaining cascaded surface 25; The front end of holder 14 forms abutment face 9 and following abutment face 13 by two cascaded surfaces, the rear end face of cutter holder 4 in vertical direction just in time with the last abutment face 9 of holder 14, abutment face 13 corresponding applyings down, form mating surface, in the horizontal direction, just in time fit with remaining cascaded surface 25 in the both sides of cutter holder 4; And, the remaining cascaded surface 25 of holder 14 is not more than 90 degree with the angle of last abutment face 9, like this, form a double team space between handle of a knife patchhole 8 and the last abutment face 9, be used to absorb cutter holder 4, in the preferred version, the angle between remaining cascaded surface 25 and the last abutment face 9 is 90 degree, and this structure is convenient to load and unload cutter holder 4.
In the preferred version, in order to make handle of a knife patchhole 8 clamp handle of a knife 6 better, and the handle of a knife hold down gag compresses handle of a knife better, and the angle between the wedging inclined plane of handle of a knife patchhole 8 both sides is slightly less than the angle between the handle of a knife wedging inclined plane 24 of both sides, handle of a knife lower end.
In the process of cutter 22 work, in when, between the last abutment face 9 of cutter holder 4 and holder 14 wearing and tearing taking place, can produce the gap between cutter holder 4 and the holder 14, thereby cause the fixedly generation between cutter holder 4 and the holder 14 loosening, the rigidity of whole tool-holder base device and intensity all can descend rapidly.
In the preferred version, the position corresponding on handle of a knife 6 with handle of a knife hold-down bolt hole 12, handle of a knife pressing groove 5 is set, handle of a knife pressing groove 5 has an inclined plane, handle of a knife housing pin hole 12 axially vertical with the inclined plane of handle of a knife pressing groove 5, the center of handle of a knife hold-down bolt 11 is provided with inner hexagonal hole 10; The end of handle of a knife hold-down bolt 11 is resisted against on the inclined plane of handle of a knife pressing groove 5.
In this structure, in when, between the last abutment face 9 of cutter holder 4 and holder 14 wearing and tearing taking place when, apply moment of torsion by inner hexagonal hole 10 to handle of a knife hold-down bolt 11, cutter hold-down bolt 11 is further screwed in the handle of a knife hold-down bolt hole 12, the handle of a knife pressing groove 5 of 11 pairs of handle of a knifes 6 of cutter hold-down bolt is exerted pressure, this pressure is except having the component that compresses handle of a knife 6, also have along the component of holder 14 back extreme directions, component along holder 14 back extreme directions makes cutter holder 4 with respect to holder 14 extreme direction slippages behind holder 14, make the cutter holder 4 and the last abutment face 9 of holder 14 continue to fit tightly, compensated between the last abutment face 9 of cutter holder 4 and holder 14 because of the gap due to the wearing and tearing, make whole cutter holding device recover original rigidity intensity is arranged, avoided changing cutter holding device, saved use cost because of loosening between cutter holder 4 and the holder 14.
It is pointed out that in order to compensate enough gaps make cutter holder 4 to holder 14 back extreme directions enough slippages be arranged, the length of the handle of a knife pressing groove 5 on the handle of a knife 6 can be provided with arbitrarily.
In the preferred version, owing to have certain slit between handle of a knife 6 and the handle of a knife patchhole 8, in order to prevent that dust, foreign material from entering in the handle of a knife patchhole 8, make the dismounting inconvenience of cutter grip slipper 4, following abutment face 13 positions corresponding, next-door neighbour's handle of a knife 6 ends with holder 14 on cutter grip slipper 4 have a seal groove 20, rubber seal 7 is installed in seal groove 20, this structure can stop dust, foreign material to enter slit between handle of a knife 6 and the handle of a knife patchhole 8 effectively, prevents the inconvenience of cutter holder 4 dismountings that cause owing to this slit is blocked.
In the process of cutter 22 work, the surface of the tip of cutter 22 processing work piece as the road surface, is broken the surfacing of work piece, and the material after the fragmentation comprises agglomerate and fine particle.Owing to have the gap between cutter 22 and the cutter installing hole 2; fine particle can enter in the cutter installing hole 2, and these fine particles such as untimely discharge might be stuck in the zone of action of knife bar 23 with the chucking sleeve; hinder the verticity of cutter 22, thereby caused the eccentric wear of cutter head.
In the preferred version, form chip-removal hole 15 on the afterbody of cutter installing hole 2 to the surface of holder 14 with holder 14 external communications.Under the effect of driving link 21 rotary centrifugal forces, fine particle will be along the afterbody of cutter installing hole 2, the outside that chip-removal hole 15 is discharged to holder 14 in the cutter installing hole 2, avoided fine particle to be blocked between the cutter head 23 and chucking sleeve of cutter 22, can not influence the verticity of cutter 22, reduce the wearing and tearing of cutter 22 and cutter holding device, prolonged the service life of cutter 22 and cutter holding device.
The position of opening of chip-removal hole 15 can be from the afterbody of cutter installing hole 2 to holder 14 surfaces the optional position, in order to guarantee the intensity of holder 14, the aperture position of chip-removal hole 15 is arranged on the upper surface of holder 14 front ends, and be positioned at the bigger side of centrifugal force, the centrifugal force that produces in the time of can making full use of driving link 21 rotations is like this discharged fine particle.This structure had both guaranteed the lifting surface area between cutter holder 4 and the holder 14, had guaranteed the intensity of cutter holding device, can smoothly fine particle be discharged again.
In the preferred version, for the ease of the fine particle in the cutter installing hole 2 is discharged smoothly, the afterbody of cutter installing hole 2 is formed horn mouth 16, the afterbody opening that is cutter installing hole 2 is bigger, and the surface of the radial dimension of chip-removal hole 15 from the afterbody of cutter installing hole 2 to holder 14 becomes greatly gradually, and this structure more helps the discharge of fine particle.
In process to work piece processing, by the agglomerate in the waste material after cutter 22 fragmentations, volume is bigger, has bigger impulsive force toward contact, the texture material of adding after the fragmentation is harder, agglomerate will be splashed to the front end of cutter holder 4, and the front end of cutter holder 4 is had bigger active force, make the front end of cutter holder 4 be damaged.
In the preferred version, along handle of a knife 6 bearing of trends a second-time breakage installing hole 3 is set, second-time breakage 1 is installed in the second-time breakage installing hole 3 at the lower position of cutter holder 4 front ends.The front end of a second-time breakage installing hole 3 is provided with the second-time breakage head shoulder 19 is installed, and a second-time breakage installing hole 3 is a screwed hole.The front end of second-time breakage 1 is a hard work tip, and the rear end is a whorl brace rod, is used to be connected in the second-time breakage installing hole 3, and the centre is provided with a locating shoulder.The whorl brace rod of second-time breakage 1 screws in the second-time breakage installing hole 3, against the second-time breakage head shoulder 19 is installed until the locating shoulder of second-time breakage head, and second-time breakage 1 promptly is installed in the second-time breakage installing hole 3.
Agglomerate after 1 pair cutter fragmentation of second-time breakage has the effect of second-time breakage.The hard agglomerate that impulsive force is bigger in the waste material after the fragmentation is before the front end of running into cutter holder 4; earlier carried out second-time breakage by second-time breakage 1; thereby form that size is less, impulsive force also smaller particles can the front end of cutter holder 4 not damaged, second-time breakage 1 can be protected cutter holder 4 effectively.
In the preferred version, be provided with sealing device, enter in the second-time breakage installing hole 3 to prevent fine particle in the installation place of second-time breakage 1 and a second-time breakage installing hole 3.
In the preferred version, be provided with handle of a knife through hole 18 in the afterbody of a second-time breakage installing hole 3 to the end of handle of a knife 6, and handle of a knife through hole 18 is coaxial with a second-time breakage installing hole 3.Because when dismounting cutter holder 4, catching phenomenon may appear between cutter holder 4 and the holder 14, at this moment, can pull down second-time breakage 1, in a second-time breakage installing hole 3, screw in a stay bolt, holder rear wall 17 is bumped on the top, end of stay bolt, makes cutter holder 4 relative fixed seats 14 loosening, thereby reaches the purpose of cutter holder 4 for convenience detach.
Please referring to Fig. 7, Fig. 7 is the schematic diagram that cutter holding device provided by the invention is connected with driving link.
As shown in Figure 7, the knife bar 23 of cutter 22 is inserted in the cutter installing hole 2, and knife bar 23 is stuck in the opening part of cutter installing hole 2 by the chucking sleeve, and cutter 22 can be installed in the cutter installing hole 2 with not breaking away from, and cutter 22 again can be around the axis rotation of self; The bottom surface of holder 14 is fixed on the outer circumference surface of driving link 21, the bottom of holder 14 specifically can be fixed on the outer circumference surface of driving link 21 by the mode of welding, whole cutter holding device rotates along with the rotation of driving link 21, and then drives cutter 22 processing work pieces.
The present invention also provides a kind of milling machine, comprise the milling hub, the outer circumference surface of described milling hub is provided with above-mentioned cutter holding device, the bottom surface of holder 14 is fixedly connected on the outer circumference surface of described milling hub, in a kind of specific embodiment, the bottom surface of holder 14 specifically can be fixed on the outer circumference surface of milling hub of milling machine by the mode of welding.Because above-mentioned cutter holding device possesses above-mentioned technique effect, the milling machine that this cutter holding device is installed also should possess the corresponding techniques effect.All the other specific implementation process and the above embodiments are similar, no longer are described in detail at this.
The above only is the description of preferred implementation of the present invention; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a cutter holding device comprises holder, cutter holder, and described cutter holder is provided with the cutter installing hole that is used for mounting cutter and is used for fixing the handle of a knife of described cutter holder, and described handle of a knife is installed in the handle of a knife installing hole on the described holder; To the chip-removal hole that forms between the surface of described holder with the external communications of described holder, described chip-removal hole has opening on the surface of described holder at the afterbody of described cutter installing hole;
The upper end of described holder has the handle of a knife hold-down apertures, can insert the handle of a knife hold down gag in this handle of a knife hold-down apertures, and described handle of a knife can be close in the end of described handle of a knife hold down gag;
It is characterized in that having the handle of a knife pressing groove on inclined plane with the corresponding position setting of described handle of a knife hold-down apertures on the described handle of a knife.
2. cutter holding device according to claim 1 is characterized in that, described chip-removal hole is positioned at the lip-deep opening of described holder, specifically is positioned at the upper surface of the front end of described holder.
3. cutter holding device according to claim 1 is characterized in that, the radial dimension of described chip-removal hole extremely becomes big in the surface of described holder gradually from the afterbody of described cutter installing hole.
4. according to each described cutter holding device of claim 1-3, it is characterized in that described cutter installing hole axially parallel with the bearing of trend of described handle of a knife.
5. cutter holding device according to claim 1 is characterized in that, the lower position of described cutter holder front end, is provided with a second-time breakage installing hole along described handle of a knife bearing of trend, in the described second-time breakage installing hole second-time breakage head is installed.
6. cutter holding device according to claim 5 is characterized in that, the afterbody of a described second-time breakage installing hole to the end of described handle of a knife is provided with the handle of a knife through hole.
7. cutter holding device according to claim 6 is characterized in that, a described second-time breakage installing hole is coaxial with described handle of a knife through hole.
8. cutter holding device according to claim 1 is characterized in that, described handle of a knife hold-down apertures is handle of a knife collet threaded hole.
9. cutter holding device according to claim 8 is characterized in that, described handle of a knife hold down gag is the handle of a knife hold-down bolt.
10. handle of a knife clamping device according to claim 9 is characterized in that the center of described handle of a knife hold-down bolt is provided with inner hexagonal hole.
11. cutter holding device according to claim 1 is characterized in that, described handle of a knife hold-down apertures is skewed, and it is axially vertical with the inclined plane of described handle of a knife pressing groove.
12. cutter holding device according to claim 1 is characterized in that, is provided with sealing device between the following abutment face of described cutter holder and described handle of a knife installing hole.
13. a milling machine comprises the milling hub, it is characterized in that, the outer circumference surface of described milling hub is provided with each described cutter holding device of claim 1-12, and the bottom surface of described holder is fixedly connected on the outer circumference surface of described milling hub.
14. milling machine according to claim 13 is characterized in that, the bottom surface of described holder is specially welding with the mode of fixedlying connected of the outer circumference surface of described milling hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101353279A CN101537576B (en) | 2009-04-20 | 2009-04-20 | Cutter holding device and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101353279A CN101537576B (en) | 2009-04-20 | 2009-04-20 | Cutter holding device and milling machine |
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| Publication Number | Publication Date |
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| CN101537576A CN101537576A (en) | 2009-09-23 |
| CN101537576B true CN101537576B (en) | 2011-07-27 |
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| CN2009101353279A Active CN101537576B (en) | 2009-04-20 | 2009-04-20 | Cutter holding device and milling machine |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM430328U (en) * | 2012-02-13 | 2012-06-01 | Everpads Co Ltd | Tool-holding device |
| CN103215884B (en) * | 2013-04-28 | 2015-01-28 | 徐州昂拓机械科技有限公司 | Rotor cutter seat component used on pavement milling machine |
| CN203383130U (en) * | 2013-06-21 | 2014-01-08 | 永沛得股份有限公司 | Packing mechanism |
| CN104452559B (en) * | 2014-10-23 | 2017-01-11 | 湖南三一路面机械有限公司 | Milling machine as well as milling drum and quick-change cutter holder system thereof |
| CN104594169A (en) * | 2015-01-27 | 2015-05-06 | 浙江澳德耐磨零部件有限公司 | Combination cutter holder of road milling machine |
| CN106032659B (en) * | 2015-03-09 | 2018-04-06 | 徐工集团工程机械股份有限公司 | Cutter tooth clamping device and milling machine |
| CN105133480B (en) * | 2015-08-18 | 2018-04-06 | 苏州凯通工程机械有限公司 | A kind of milling machine tool rest base systems |
| CN108297465A (en) * | 2016-08-31 | 2018-07-20 | 山东豪迈机械科技股份有限公司 | Cutter, cutter holding device and the tyre tread automatic processing system including the device |
| CN112663462B (en) * | 2020-12-22 | 2022-06-10 | 广西北部湾投资集团有限公司沿海高速公路分公司 | Old pavement treatment device based on finish milling, planing and polishing and construction method |
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2009
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Effective date of registration: 20151118 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, Room 502, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sanyi Heavy Industry Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |