CN203696550U - Rotating head storehouse for accessory head - Google Patents
Rotating head storehouse for accessory head Download PDFInfo
- Publication number
- CN203696550U CN203696550U CN201320803827.7U CN201320803827U CN203696550U CN 203696550 U CN203696550 U CN 203696550U CN 201320803827 U CN201320803827 U CN 201320803827U CN 203696550 U CN203696550 U CN 203696550U
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- China
- Prior art keywords
- storehouse
- turning cylinder
- fixed
- beam barrel
- head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007514 turning Methods 0.000 claims description 58
- 239000003351 stiffener Substances 0.000 claims description 25
- 239000000428 dust Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007665 sagging Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The utility model discloses a rotating head storehouse for an accessory head. The rotating head storehouse comprises a head storehouse fixing bracket, a swing driving mechanism and a fixing mechanism, wherein the fixing mechanism is used for fixing the accessory head and a dustproof cover; a rotating shaft is arranged on the head storehouse fixing bracket; the outer side of the rotating shaft is coaxially sleeved with a shaft cylinder; the rotating shaft is connected with the shaft cylinder; the fixing mechanism is fixed on the shaft cylinder; the swing driving mechanism is connected with the rotating shaft; when the rotating head storehouse is used, the rotating shaft rotates under the driving of the swing driving mechanism and drives the fixing mechanism to rotate around the rotating shaft. The rotating head storehouse disclosed by the utility model is compact and small in integral structure, the space of machine tool can be saved, and the utilization rate of integrated layout of the machine tool is improved; according to the rotating head storehouse, the dustproof cover and the accessory head can be put on one head storehouse fixing bracket simultaneously, so that the processing manufacturing cost of the rotating head storehouse is greatly reduced, and the assembling requirement of the accessory head of a small gantry machine tool can be met.
Description
Technical field
The utility model relates to a kind of machine tool accessory, especially relates to a kind of accessory head swivel head storehouse, and this swivel head library structure compactness, takes up room little, is particularly useful for middle-size and small-size Longmen machine tool.
Background technology
Accessory head can be expanded the form processing of traditional machine tool, realizes the variation of lathe function, for client increases mach economic benefit.Storehouse, as the storage module of accessory head, needs assist fast, accurately the automation installation process of accessory head, to improve working (machining) efficiency; Machined environment severe, needs a storehouse have dustproof and waterproof function; The use of accessory head on middle-size and small-size lathe, need a storehouse still less take lathe usage space.But existing storehouse is difficult to meet above-mentioned requirements simultaneously, under the trend being widely used at accessory head, need to design rational in infrastructurely, to install compactly, a safe and reliable storehouse, to meet the configuration requirement of various lathe types.
Summary of the invention
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, provide a kind of compact conformation, small and exquisite accessory head swivel head storehouse.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of accessory head swivel head storehouse, comprise a storehouse fixed mount, rotary motion mechanism and fixed mechanism, described fixed mechanism is for fixing fitting head and dust cap, on a described storehouse fixed mount, turning cylinder is installed, the outside coaxial sleeve of described turning cylinder is provided with beam barrel, described turning cylinder is connected with described beam barrel, described fixed mechanism is fixed on described beam barrel, described rotary motion mechanism is connected with described turning cylinder, when use, turning cylinder rotates and drives rotate moving axis rotation of fixed mechanism under the driving of rotary motion mechanism.
Described fixed mechanism comprises upper fixed mechanism and the lower fixed mechanism that structure is identical, described upper fixed mechanism is fixed on the top of a described storehouse fixed mount, described lower fixed mechanism is fixed on the bottom of a described storehouse fixed mount, described upper fixed mechanism and described lower fixed mechanism include the U-shaped supporting plate that is provided with opening, on the beam barrel of described U-shaped supporting plate vertically and described in being welded on, upper surface perpendicular to described U-shaped supporting plate is welded with backup plate, the first stiffener and the second stiffener, the first described stiffener and the second stiffener are welded on respectively the both sides of described U-shaped supporting plate, described backup plate is welded on described U-shaped supporting plate relative with a described opening side, described backup plate, the bottom of the first stiffener and the second stiffener is all welded on described U-shaped supporting plate, one side of described backup plate and described the first stiffener is all welded on described beam barrel, the opposite side of described backup plate and described the second stiffener are welded to connect.Upper fixed mechanism is for fixing dust cap, lower fixed mechanism is for fixing fitting head, by upper, lower fixed mechanism is fixedly connected with a storehouse fixed mount by beam barrel, can ensure that like this beam barrel rotates time, the rotational synchronization of dust cap and accessory head is carried out, before using, dust cap and accessory head installation are fixed, ensure the processing concentricity of the fixed mechanism up and down on a storehouse fixed mount, the use of can starting shooting, and by the integrated design of a storehouse fixed mount, can ensure that fixed mechanism and lower fixed mechanism rotate with one heart, without in the time assembling, dust cap and accessory head artificially being adjusted respectively, assemble easy to operate, time saving and energy saving.In addition, because the parts of accessory head process taking steel as main material, the accessory head of all size all has the feature that weight is large, backup plate and the first stiffener are all fixed on beam barrel, the contact area that has increased upper fixed mechanism and lower fixed mechanism and beam barrel, makes fixed mechanism more firm, reduces the sagging distortion of fixed mechanism, deformation error is little, thereby can clamp better and fixing fitting head and dust cap.
Also comprise the location guiding mechanism for regulating accessory head and dust cap installation site, described location guiding mechanism comprises upper location guiding mechanism and the lower location guiding mechanism that structure is identical, described upper location guiding mechanism is arranged on described upper fixed mechanism, described lower location guiding mechanism is arranged on described lower fixed mechanism, described upper location guiding mechanism and described lower location guiding mechanism include two groups of positioning adjustment component that are symmetricly set on described U-shaped splint upper surface, positioning adjustment component described in every group comprises adjustment block, adjustment column, round nut and alignment pin, described U-shaped supporting plate is provided with screw hole, described adjustment block is provided with the kidney-shaped adjusting hole matching with described screw hole, described round nut is enclosed within described adjustment column, described adjustment column and alignment pin are threaded with described adjustment block respectively, mounting screw is locked at described adjustment block on described U-shaped supporting plate through described waist type adjusting hole and described screw hole.When assembling, ram band accessory head approaches a storehouse fixed mount in swivel head storehouse, by the anglec of rotation in the limit switch adjustment control swivel head storehouse on telescopic oil cylinder, regulate afterwards the position of adjustment block along kidney-shaped adjusting hole, make two alignment pins in the adjustment block of left and right aim at respectively corresponding dowel hole on accessory head casing, then make ram drive accessory head along the Z axis segment distance that rises, each adjustment column is transferred to sustained height, then locks the round nut in adjustment column, adjustment column height and position is fixed; Finally lock mounting screw in the waist type adjusting hole in adjustment block, make alignment pin, now can normally use swivel head storehouse.And, according to the size of dust cap and accessory head, the different big or small adjustment blocks of replaceable and installation, thus improve the versatility in the utility model swivel head storehouse, make it meet the installation requirement of different size accessory head.
Described rotary motion mechanism comprises upper rotary driving mechanism and the lower rotary motion mechanism that structure is identical, described upper rotary driving mechanism is arranged on the top of a described storehouse fixed mount, described lower rotary motion mechanism is arranged on the below of a described storehouse fixed mount, described upper rotary driving mechanism and lower rotary motion mechanism include telescopic oil cylinder, spacer shell, tooth bar and swiveling gear, described telescopic oil cylinder is fixed on a described storehouse fixed mount, described spacer shell is connected with described telescopic oil cylinder, described tooth bar is threaded with described spacer shell, described swiveling gear coaxial sleeve is located on described turning cylinder and is connected with described turning cylinder, described tooth bar is meshed with described swiveling gear.When use, telescopic oil cylinder motion, band carry-over bar motion, then drive swiveling gear to rotate, swiveling gear drives beam barrel to rotate again, and the final fixed mechanism that dust cap or vertical cover the be installed moving axis that rotates that drives rotates in 0 ~ 90 ° of angular range.Rack geared mode stationarity is good, is conducive to improve the stationarity of lathe overall operation.
The bottom of described U-shaped supporting plate is provided with reinforcement.Reinforcement further improves the rigidity of fixed mechanism, reduces the sagging distortion of fixed mechanism.
Described turning cylinder is made up of upper turning cylinder and lower turning cylinder, described beam barrel is made up of upper beam barrel and lower beam barrel, described upper beam barrel coaxial sleeve is located at the outside of described upper turning cylinder and is connected with described upper turning cylinder, described lower beam barrel coaxial sleeve is located at the outside of described lower turning cylinder and is connected with described lower turning cylinder, described upper turning cylinder and the two ends of lower turning cylinder respectively coaxial sleeve are provided with cone rolling, and the bottom of the top of described upper turning cylinder and described lower turning cylinder is separately installed with dustproof end cap.Rotate up and down the setting of axle and upper and lower beam barrel and cone rolling, be convenient to assembling, cost is low.
Between described turning cylinder and described beam barrel and between described swiveling gear and described turning cylinder, be all connected by flat key.Flat key connected mode can be transmitted compared with high pulling torque, and drive gap is little, simple in structure, and installation and removal are convenient, can improve the stability in the utility model swivel head storehouse.
Two hydraulic bjuffers laying are up and down installed on a described storehouse fixed mount, and the hydraulic bjuffer described in two is near described beam barrel.When use; beam barrel drives fixed mechanism to rotate in 0 ~ 90 ° of angular range; in the time that beam barrel turns near the extreme position of 90 °; likely can rotate and excessively knock a storehouse fixed mount; the hydraulic bjuffer of installing can play cushioning effect to beam barrel; prevent that beam barrel from damaging, and can play certain protective effect by correct storehouse fixed mount simultaneously.
Compared with prior art, the utility model has the advantage of: the utility model swivel head storehouse compact overall structure, small and exquisite, can save lathe space, improve the utilization rate of lathe integral layout; The utility model can be realized on a stature storehouse fixed mount and lay dust cap and accessory head simultaneously, has lowered the processing and manufacturing cost in swivel head storehouse, can meet the assembling demand of the accessory head of middle-size and small-size Longmen machine tool.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the scheme of installation of rotary motion mechanism and a storehouse fixed mount in embodiment;
Fig. 3 is the scheme of installation of turning cylinder in embodiment;
Fig. 4 installs the design sketch after dust cap and accessory head on embodiment swivel head storehouse.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in the figure, a kind of accessory head swivel head storehouse, comprise a storehouse fixed mount 1, rotary motion mechanism and fixed mechanism, fixed mechanism is for fixing fitting head 7 and dust cap 8, on storehouse fixed mount 1, turning cylinder 2 is installed, the outside coaxial sleeve of turning cylinder 2 is provided with beam barrel 3, between turning cylinder 2 and beam barrel 3, be connected by flat key, two hydraulic bjuffers 11 laying are up and down installed on storehouse fixed mount 1, two hydraulic bjuffers 11 are near beam barrel 3, fixed mechanism is fixed on beam barrel 3, rotary motion mechanism is connected with turning cylinder 2, turning cylinder 2 is made up of upper turning cylinder 21 and lower turning cylinder 22, beam barrel 3 is made up of upper beam barrel 31 and lower beam barrel 32, upper beam barrel 31 coaxial sleeves are located at the outside of turning cylinder 21 and are connected with upper turning cylinder 21, lower beam barrel 32 coaxial sleeves are located at the outside of lower turning cylinder 22 and are connected with lower turning cylinder 22, the two ends of upper turning cylinder 21 and lower turning cylinder 22 respectively coaxial sleeve are provided with cone rolling 23, the bottom of the top of upper turning cylinder 21 and lower turning cylinder 22 is separately installed with dustproof end cap 24.
Fixed mechanism comprises upper fixed mechanism and the lower fixed mechanism that structure is identical, upper fixed mechanism is fixed on the top of beam barrel 3, lower fixed mechanism is fixed on the bottom of beam barrel 3, upper fixed mechanism and lower fixed mechanism include the U-shaped supporting plate 41 that is provided with opening 45, U-shaped supporting plate 41 is vertical and be fixedly welded on beam barrel 3, the bottom welding of U-shaped supporting plate 41 has reinforcement 411, be welded with backup plate 42 perpendicular to the upper surface of U-shaped supporting plate 41, the first stiffener 43 and the second stiffener 44, the first stiffener 43 and the second stiffener 44 are welded on respectively the both sides of U-shaped supporting plate 41, backup plate 42 is welded on a side relative with opening 45 of U-shaped supporting plate 41, backup plate 42, the bottom of the first stiffener 43 and the second stiffener 44 is all welded on U-shaped supporting plate 41, one side of backup plate 42 and the first stiffener 43 is all welded on beam barrel 3, the opposite side of backup plate 42 and the second stiffener 44 are welded to connect.
Above-mentioned accessory head swivel head storehouse also comprises the location guiding mechanism for regulating accessory head 7 and dust cap 8 installation sites, location guiding mechanism comprises upper location guiding mechanism and the lower location guiding mechanism that structure is identical, upper location guiding mechanism is arranged on fixed mechanism, lower location guiding mechanism is arranged on lower fixed mechanism, upper location guiding mechanism and lower location guiding mechanism include two groups of positioning adjustment component that are symmetricly set on U-shaped supporting plate 41 upper surfaces, every group of positioning adjustment component comprises adjustment block 51, two adjustment columns 52, round nut 55 and alignment pin 53, U-shaped supporting plate 41 is provided with screw hole 412, adjustment block 51 is provided with the kidney-shaped adjusting hole 54 matching with screw hole 412, round nut 55 is enclosed within adjustment column 52, adjustment column 52 and alignment pin 53 are threaded with adjustment block 51, mounting screw 56(is not shown) through waist type adjusting hole 54 and screw hole 412, adjustment block 51 is locked on U-shaped supporting plate 41.Because adjustment column 52 is threaded with adjustment block 51, the high and low position capable of regulating of adjustment column 52, after its location positioning, fixes the height and position of adjustment column 52 by stripped nut 55.
Rotary motion mechanism comprises upper rotary driving mechanism and the lower rotary motion mechanism that structure is identical, upper rotary driving mechanism is arranged on the top of fixed mechanism, lower rotary motion mechanism is arranged on the below of lower fixed mechanism, upper rotary driving mechanism and lower rotary motion mechanism include telescopic oil cylinder 61, spacer shell 62, tooth bar 63 and swiveling gear 64, telescopic oil cylinder 61 is fixed on a storehouse fixed mount 1, spacer shell 62 is connected with telescopic oil cylinder 61, tooth bar 63 is threaded with spacer shell 62, swiveling gear 64 coaxial sleeves are located on turning cylinder 2 and between turning cylinder 2 and are connected by flat key, tooth bar 63 is meshed with swiveling gear 64.
When assembling, ram drives accessory head 7 to approach a storehouse fixed mount 1 in swivel head storehouse, by the anglec of rotation in the limit switch adjustment control swivel head storehouse on telescopic oil cylinder 61, regulate afterwards the position of adjustment block 51 along kidney-shaped adjusting hole 54, make two alignment pins 53 in left and right adjustment block 51 aim at respectively corresponding dowel hole on accessory head 7 casings, then make ram drive accessory head 7 along the Z axis segment distance that rises, four adjustment columns 52 are transferred to sustained height, lock again the round nut 55 in adjustment column 52, adjustment column 52 height and positions are fixed; Finally lock the mounting screw 56 in waist type adjusting hole 54 in adjustment block 51, make alignment pin, now can normally use swivel head storehouse.And, according to the size of dust cap 8 and accessory head 7, the different big or small adjustment blocks of replaceable and installation, thus improve the versatility in the utility model swivel head storehouse, make it meet the installation requirement of different size accessory head.
When use, telescopic oil cylinder 61 moves, and band carry-over bar 63 moves, then drives swiveling gear 64 to rotate, and swiveling gear 64 drives beam barrel 3 to rotate again, and the final fixed mechanism that dust cap 8 or vertical cover the be installed moving axis 2 that rotates that drives rotates in 0 ~ 90 ° of angular range.
Because the weight of accessory head is larger, in the time that accessory head is placed on cantilever style swivel head storehouse, tend to cause because of weight relationships the sagging distortion of fixed mechanism.In above-described embodiment swivel head storehouse, install after the accessory head 7 shown in Fig. 4, through finite element analysis software analysis, the vertical sagging deflection of the U-shaped supporting plate 41 in lower fixed mechanism is only 0.085mm, be equivalent to 20% left and right of a traditional attachments swivel head storehouse deflection, and the gross weight in the present embodiment swivel head storehouse is only 70% left and right of a traditional attachments swivel head storehouse gross weight.
Claims (8)
1. an accessory head swivel head storehouse, it is characterized in that comprising a storehouse fixed mount, rotary motion mechanism and fixed mechanism, described fixed mechanism is for fixing fitting head and dust cap, on a described storehouse fixed mount, turning cylinder is installed, the outside coaxial sleeve of described turning cylinder is provided with beam barrel, described turning cylinder is connected with described beam barrel, described fixed mechanism is fixed on described beam barrel, described rotary motion mechanism is connected with described turning cylinder, and when use, turning cylinder rotates and drive rotate moving axis rotation of fixed mechanism under the driving of rotary motion mechanism.
2. a kind of accessory head swivel head according to claim 1 storehouse, it is characterized in that described fixed mechanism comprises upper fixed mechanism and the lower fixed mechanism that structure is identical, described upper fixed mechanism is fixed on the top of a described storehouse fixed mount, described lower fixed mechanism is fixed on the bottom of a described storehouse fixed mount, described upper fixed mechanism and described lower fixed mechanism include the U-shaped supporting plate that is provided with opening, on the beam barrel of described U-shaped supporting plate vertically and described in being welded on, upper surface perpendicular to described U-shaped supporting plate is welded with backup plate, the first stiffener and the second stiffener, the first described stiffener and the second stiffener are welded on respectively the both sides of described U-shaped supporting plate, described backup plate is welded on described U-shaped supporting plate relative with a described opening side, described backup plate, the bottom of the first stiffener and the second stiffener is all welded on described U-shaped supporting plate, one side of described backup plate and described the first stiffener is all welded on described beam barrel, the opposite side of described backup plate and described the second stiffener are welded to connect.
3. a kind of accessory head swivel head according to claim 2 storehouse, characterized by further comprising the location guiding mechanism for regulating accessory head and dust cap installation site, described location guiding mechanism comprises upper location guiding mechanism and the lower location guiding mechanism that structure is identical, described upper location guiding mechanism is arranged on described upper fixed mechanism, described lower location guiding mechanism is arranged on described lower fixed mechanism, described upper location guiding mechanism and described lower location guiding mechanism include two groups of positioning adjustment component that are symmetricly set on described U-shaped splint upper surface, positioning adjustment component described in every group comprises adjustment block, adjustment column, round nut and alignment pin, described U-shaped supporting plate is provided with screw hole, described adjustment block is provided with the kidney-shaped adjusting hole matching with described screw hole, described round nut is enclosed within described adjustment column, described adjustment column and alignment pin are threaded with described adjustment block respectively, mounting screw is locked at described adjustment block on described U-shaped supporting plate through described kidney-shaped adjusting hole and described screw hole.
4. according to a kind of accessory head swivel head storehouse described in claim 2 or 3, it is characterized in that described rotary motion mechanism comprises upper rotary driving mechanism and the lower rotary motion mechanism that structure is identical, described upper rotary driving mechanism is arranged on the top of a described storehouse fixed mount, described lower rotary motion mechanism is arranged on the below of a described storehouse fixed mount, described upper rotary driving mechanism and lower rotary motion mechanism include telescopic oil cylinder, spacer shell, tooth bar and swiveling gear, described telescopic oil cylinder is fixed on a described storehouse fixed mount, described spacer shell is connected with described telescopic oil cylinder, described tooth bar is threaded with described spacer shell, described swiveling gear coaxial sleeve is located on described turning cylinder and is connected with described turning cylinder, described tooth bar is meshed with described swiveling gear.
5. a kind of accessory head swivel head according to claim 4 storehouse, is characterized in that the bottom of described U-shaped supporting plate is provided with reinforcement.
6. a kind of accessory head swivel head according to claim 4 storehouse, it is characterized in that described turning cylinder is made up of upper turning cylinder and lower turning cylinder, described beam barrel is made up of upper beam barrel and lower beam barrel, described upper beam barrel coaxial sleeve is located at the outside of described upper turning cylinder and is connected with described upper turning cylinder, described lower beam barrel coaxial sleeve is located at the outside of described lower turning cylinder and is connected with described lower turning cylinder, described upper turning cylinder and the two ends of lower turning cylinder respectively coaxial sleeve are provided with cone rolling, the bottom of the top of described upper turning cylinder and described lower turning cylinder is separately installed with dustproof end cap.
7. a kind of accessory head swivel head according to claim 4 storehouse, it is characterized in that between described turning cylinder and described beam barrel and described swiveling gear and described turning cylinder between be all connected by flat key.
8. a kind of accessory head swivel head according to claim 4 storehouse, is characterized in that being provided with on a described storehouse fixed mount two hydraulic bjuffers laying up and down, and the hydraulic bjuffer described in two is near described beam barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803827.7U CN203696550U (en) | 2013-12-09 | 2013-12-09 | Rotating head storehouse for accessory head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803827.7U CN203696550U (en) | 2013-12-09 | 2013-12-09 | Rotating head storehouse for accessory head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203696550U true CN203696550U (en) | 2014-07-09 |
Family
ID=51047049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320803827.7U Expired - Lifetime CN203696550U (en) | 2013-12-09 | 2013-12-09 | Rotating head storehouse for accessory head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203696550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659397A (en) * | 2013-12-09 | 2014-03-26 | 宁波海天精工股份有限公司 | Rotating head library for accessory head |
| CN112985068A (en) * | 2021-03-11 | 2021-06-18 | 江苏宏大特种钢机械厂有限公司 | Multi-keyway positioning and processing clamp for belt type roasting machine axle |
-
2013
- 2013-12-09 CN CN201320803827.7U patent/CN203696550U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659397A (en) * | 2013-12-09 | 2014-03-26 | 宁波海天精工股份有限公司 | Rotating head library for accessory head |
| CN103659397B (en) * | 2013-12-09 | 2017-02-15 | 宁波海天精工股份有限公司 | Rotating head library for accessory head |
| CN112985068A (en) * | 2021-03-11 | 2021-06-18 | 江苏宏大特种钢机械厂有限公司 | Multi-keyway positioning and processing clamp for belt type roasting machine axle |
| CN112985068B (en) * | 2021-03-11 | 2022-05-13 | 江苏宏大特种钢机械厂有限公司 | Multi-keyway positioning and processing clamp for belt type roasting machine axle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |