CN108515244A - Plastics tapping machine - Google Patents
Plastics tapping machine Download PDFInfo
- Publication number
- CN108515244A CN108515244A CN201810278099.XA CN201810278099A CN108515244A CN 108515244 A CN108515244 A CN 108515244A CN 201810278099 A CN201810278099 A CN 201810278099A CN 108515244 A CN108515244 A CN 108515244A
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- China
- Prior art keywords
- fluid cylinder
- sliding support
- main fluid
- workpiece
- main
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present application relates to chasing bar technical fields, specifically disclose plastics tapping machine, including workbench, workbench is equipped with triangulation location block, clamping device, main fluid cylinder and sliding support, sliding support is slidably connected on the table, sliding support is fixedly connected with tapper mechanism, sliding support is equipped with groove, groove is embedded with connecting pole, the ramp blocks for jacking up connecting pole are equipped between main fluid cylinder and sliding support, connecting pole is fixedly connected with rack, rack is engaged with the spur gear that tapper mechanism can be driven to carry out screwing operation, spur gear is fixedly connected with sliding support, connecting pole is connected with the first elastic component pullled it；It is loaded with hydraulic fluid in main fluid cylinder, main piston is slidably connected in main fluid cylinder, the mobile of sliding support will drive master piston slides, master piston slides that will drive clamping device that workpiece is clamped.Automatic positioning, clamping and the tapping of workpiece can be achieved in the present invention, ingenious in design, simple and efficient to handle, and tapping precision is high, efficient.
Description
Technical field
The present invention relates to chasing bar technical field more particularly to plastics tapping machines.
Background technology
Tapping machine is exactly such as to lead in the various holes with different size such as parts shell, equipment end face, nut, ring flange
The medial surface of hole, deep hole and blind hole etc. processes a kind of machining equipment that internal thread, screw or tooth are buckled with screw tap, is current
A kind of most widely used internal thread machining lathe.Tapping machine is generally divided into electric threading machine, pneumatic tapper and hand tapping
Machine.When traditional Manual tapping machine works, step is generally：Clamping is carried out to workpiece first, and workpiece is made to need to attack interior spiral shell
Line is placed in horizontally or vertically position on one side, in order to judge and keep screw tap perpendicular to workpiece basal plane；Starting tapping thread
When, screw tap is put just, then proficiency righting screw tap, the other hand gently rotate tap wrench.In practical operation, due to screw tap compared with
Carefully, screwing speed is slower, processes high-volume minor diameter screw thread, and screw tap easy fracture causes processing quality not high, and efficiency is low, works
Intensity is big, and many tapping machines need the workpiece for treating tapping to carry out fixed by hand and calibration, cumbersome.
Invention content
The purpose of the present invention is to provide plastics tapping machines, can workpiece to be processed be calibrated and be fixed automatically, and
It can realize the self-tapping of screw tap, the internal thread precision of processing is high, and work efficiency is high.
In order to achieve the above object, base case of the invention is：Plastics tapping machine, including workbench, the workbench
Left end and right end are respectively equipped with left pillar and right pillar, and the workbench is equipped with sliding support and main fluid cylinder, the sliding branch
Frame is slidably connected with workbench, and tapper mechanism is fixedly connected on the sliding support, and the tapper mechanism includes screw tap and use
In the shaft of the fixation screw tap, the sliding support is equipped with groove, and the groove is embedded with connecting pole, the connecting pole
Height is more than the depth of groove, and the connecting pole upper end is fixedly connected with fixed block, and the fixed block is equipped with rack, the tooth
Item is engaged with spur gear, connecting rod is connected on the sliding support, the spur gear and connecting rod are affixed, on the spur gear
It is coaxially provided with first bevel gear, the first bevel gear is engaged with second bevel gear, and the second bevel gear is fixed with shaft to be connected
It connects, the fixed block is equipped with the first elastic component, and the described one end of first elastic component far from fixed block is fixed on right pillar；Institute
It states and is loaded with hydraulic fluid in main fluid cylinder, main piston is slidably connected in the main fluid cylinder, the main piston is fixedly connected with piston
Bar, the piston rod are fixedly connected with sliding support；The left pillar is equipped with support column, is slidably connected on the support column
Triangulation location block for being positioned to workpiece, the triangulation location block are used to support workpiece and make tip and the screw tap of workpiece
Axis it is concordant, the second elastic component is equipped in the support column, second elastic component one end is fixedly connected with triangulation location block,
The other end of second elastic component is fixedly connected with left pillar；The triangulation location block is equipped with for clamping workpiece both sides up and down
Clamping device, the clamping device include time fluid cylinder and clamping jaw, and the clamping jaw is connected with time piston, and the secondary piston is slidably connected
In secondary fluid cylinder, the secondary fluid cylinder is connected to main fluid cylinder, and the left pillar is equipped with the support plate of support time fluid cylinder, the main fluid cylinder
It is slidably connected and is useful for pushing the push rod of triangulation location block, a part for the push rod to stretch into main fluid cylinder, the push rod stretches out
One end of main fluid cylinder offsets with triangulation location block, and the push rod is equipped with the block for sealing main fluid cylinder and push rod junction,
The part that the push rod is located in main fluid cylinder can be pushed by main piston；It is equipped between the main fluid cylinder and sliding support for jacking up
The ramp blocks of connecting pole, the ramp blocks are fixed on the table.
The operation principle and advantageous effect of this base case are：In use, the tapping hole of workpiece is passed through triangulation location
On block on the tip concordant with screw tap axis, at this point, the center in work-piece tapping hole is in screw tap axle center on same straight line, i.e., it is sharp
The positioning of workpiece is just realized with triangulation location block, and fast and accurate for positioning, and locating piece is triangular in shape, can also realize pair
The positioning of different size of tapping hole is suitable for the tapping of the workpiece of different sizes, size, is more widely applied；Workpiece is determined
After position is on triangulation location block, push sliding support, sliding support that will drive tapper mechanism, connection to close to the direction of main fluid cylinder
Column, fixed block, rack, spur gear, first bevel gear and second bevel gear are slided to close to the direction of main fluid cylinder and ramp blocks movement
When dynamic holder movement, the piston rod affixed with it also will drive main piston to be slided in main fluid cylinder, and master piston slides will be to main liquid
Hydraulic fluid in cylinder is squeezed, and since secondary fluid cylinder is connected to main fluid cylinder, extruded hydraulic fluid will be extruded into time fluid cylinder,
Squeezing to the hydraulic fluid in secondary fluid cylinder will continue to generate thrust to secondary piston, make time piston to the direction of close workpiece in secondary fluid cylinder
Interior sliding, secondary piston sliding will drive clamping jaw to be moved to close to the direction of workpiece, until clamping jaw is firm to clamp workpiece, clamping jaw folder
After handling workpiece, main piston be moved to stretched into push rod main fluid cylinder part contact and immediately drive push rod in main fluid cylinder to by
The direction movement of nearly left pillar, push rod movement push the triangulation location block to offset therewith to be moved to close to the direction of left pillar immediately
Dynamic, triangulation location block exits the tapping hole of workpiece immediately, and after triangulation location block exits tapping hole, work is clamped since clamping jaw is firm
Part, workpiece will still be located in original position；After triangulation location block exits tapping hole completely, the screw tap of tapper mechanism is moved to
The tapping hole of workpiece stops pushing sliding support at this time, and connecting pole and fixed block eject groove by ramp blocks completely, connecting pole
After being ejected groove with fixed block, by under the action of the first elastic component on sliding support rapidly to close to right pillar direction
Mobile, fixed block movement will quickly be moved to close to the direction of right pillar with carry-over bar, and drive is engaged with by rack movement
Spur gear rotation, spur gear rotation will pass through the rotation of the realizations second bevel gear of first bevel gear, second bevel gear rotate
It will drive screw tap rotation, screw tap that can realize that the tapping to the tapping hole of workpiece is grasped when rotating by shaft affixed therewith
Make.This programme only needs to push sliding support that can realize being automatically positioned, consolidating clamping and self-tapping automatically for workpiece, if
Count ingenious, simple and efficient to handle, tapping precision is high, efficient.
Preferred embodiment one：As the preferred of basic scheme, the clamping jaw is taper.The clamping jaw of taper can not only consolidate folder
Workpiece is handled, and can be adapted for the workpiece that different sizes, size is clamped, simple in structure, low manufacture cost.
Preferred embodiment two：Preferably one it is preferred, cover rubber sleeve on the clamping jaw.Rubber sleeve has elasticity,
Extruding force of the clamping jaw to workpiece can be buffered well, to prevent workpiece to be worn during clamping.
Preferred embodiment three：Preferably two it is preferred, first elastic component and the second elastic component are spring.Bullet
Spring derives from a wealth of sources, is cheap.
Preferred embodiment four：Preferably three it is preferred, the hydraulic fluid be hydraulic oil.Hydraulic oil is to utilize liquid pressure
Common hydraulic medium in the hydraulic system of power energy, derives from a wealth of sources, cheap and easy to get.
Description of the drawings
Fig. 1 is the structural schematic diagram of plastics tapping machine embodiment of the present invention.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Reference numeral in Figure of description includes：Workpiece 0, workbench 1, left pillar 11, right pillar 12, sliding support 2,
Piston rod 21, screw tap 31, shaft 32, fixed block 33, rack 34, the first spring 331, spur gear 35, first bevel gear 36, second
Bevel gear 37, ramp blocks 4, main fluid cylinder 5, main piston 51, outlet tube 52, triangulation location block 6, support column 61, sliding block 62, the second bullet
Spring 63, secondary fluid cylinder 7, secondary piston 71, clamping jaw 72, push rod 81, connecting rod 82, connecting pole 83, block 84.
Embodiment is substantially as shown in Fig. 1：Plastics tapping machine, including workbench 1,1 left end of workbench and right end are set respectively
There are left pillar 11 and right pillar 12, workbench 1 to be equipped with the first sliding groove and main fluid cylinder 5, sliding is slidably connected in the first sliding groove
Tapper mechanism is fixedly connected with by a connecting rod 82 on 2. sliding support 2 of holder, tapper mechanism includes screw tap 31 and is used for solid
The shaft 32 of fixed thread cone 31, sliding support 2 are equipped with groove, and groove is embedded with connecting pole 83, and the height of connecting pole 83 is more than recessed
The depth of slot, 83 upper end of connecting pole are connected with fixed block 33, and fixed block 33 is equipped with rack 34, and rack 34 is engaged with spur gear
35, spur gear 35 is relatively fixed by connecting rod 82 and sliding support 2, and spur gear 35 is coaxially connected with first bevel gear 36, the
One bevel gear 36 is engaged with second bevel gear 37, and second bevel gear 37 is fixedly connected with shaft 32, and fixed block 33 is equipped with first
Spring 331, the first spring 331 are fixed on right pillar 12；It is loaded with hydraulic oil in main fluid cylinder 5, is slidably connected in main fluid cylinder 5
Main piston 51, main piston 51 are fixedly connected with piston rod 21, and piston rod 21 is fixedly connected with sliding support 2；It is set on left pillar 11
There is support column 61, be slidably connected the triangulation location block 6 for being useful for being positioned to workpiece 0 on support column 61, and triangulation location block 6 is used
It is concordant with the axis of screw tap 31 in the tip of support workpiece 0,61 inner hollow of support column and it is slidingly sealed with sliding block 62, sliding block 62
It is fixedly connected with triangulation location block 6.Support column 61 is internally provided with second spring 63, and 63 right end of second spring is fixed with sliding block 62 to be connected
It connects, left end is fixedly connected with left pillar 11, and about 6 both sides of triangulation location block are equipped with the clamping device for clamping workpiece 0, folder
It includes time fluid cylinder 7 and clamping jaw 72 to hold mechanism, and clamping jaw 72 is tapered and outer surface covers rubber sleeve, and clamping jaw 72 is connected with time piston
71, secondary piston 71 is slidably connected in time fluid cylinder 7, and main fluid cylinder 5 is communicated with outlet tube 52, and secondary fluid cylinder 7 passes through outlet tube 52 and master
Fluid cylinder 5 is connected to, and left pillar 11 is equipped with the support plate of support time fluid cylinder 7, and on support plate, main fluid cylinder 5 slides 7 fixed placement of secondary fluid cylinder
It is connected with the push rod 81 for pushing triangulation location block 6, a part for push rod 81 stretches into main fluid cylinder 5, and push rod 81 stretches out main liquid
One end of cylinder 5 offsets with sliding block 62, and the part that push rod 81 is located in main fluid cylinder 5 can be pushed by main piston 51, also be welded on push rod
There are block 84, block 84 that can seal up the gap between push rod 81 and main fluid cylinder 5, and block 84 can also be in main fluid cylinder
It is slided on 5；The ramp blocks 4 for jacking up connecting pole 83 are equipped between main fluid cylinder 5 and sliding support 2, ramp blocks 4 are fixed on workbench 1
On.
In use, the tapping hole of workpiece 0 is passed through on tip concordant with 31 axis of screw tap on triangulation location block 6, at this point,
The center of 0 tapping hole of workpiece is in 31 axle center of screw tap on same straight line, i.e., just realizes workpiece 0 using triangulation location block 6
Quick and precisely position；After workpiece 0 is located on triangulation location block 6, sliding support 2 is pushed to the left, sliding support 2 will drive
Tapper mechanism, connecting pole 83, fixed block 33, rack 34, spur gear 35, first bevel gear 36 and second bevel gear 37 are to close to main
It moves in the direction of fluid cylinder 5 and ramp blocks 4.When sliding support 2 moves, the piston rod 21 affixed with it will also drive main piston 51 to exist
Sliding in main fluid cylinder 5, the sliding of main piston 51 will squeeze the hydraulic oil in main fluid cylinder 5.Since secondary fluid cylinder 7 passes through outlet tube
52 are connected to main fluid cylinder 5, and extruded hydraulic oil will be extruded into time fluid cylinder 7, and squeezing will be after to the hydraulic oil in secondary fluid cylinder 7
It is continuous that thrust is generated to secondary piston 71, so that time piston 71 is slided in secondary fluid cylinder 7 to close to the direction of workpiece 0, secondary piston 71 slides
Clamping jaw 72 will be driven to be moved to close to the direction of workpiece 0, until clamping jaw 72 is firm to clamp workpiece 0.When clamping, it is socketed in clamping jaw
Rubber sleeve on 72 can buffer clamping jaw 72 to the extruding force of workpiece 0 well, prevent workpiece 0 from being ground during clamping
Damage.After clamping jaw 72 clamps workpiece 0, main piston 51, which is moved to, to be stretched into the part of main fluid cylinder 5 with push rod 81 and contacts and drive immediately
Push rod 81 is moved to the left, push rod 81 movement pushes the sliding block to offset therewith 62 to be moved to the left immediately, to make triangulation location block 6 to
It moves left, triangulation location block 6 exits the tapping hole of workpiece 0 immediately.After triangulation location block 6 exits tapping hole, since clamping jaw 72 is steady
Admittedly clamping workpiece 0, workpiece 0 will still be located in original position；After triangulation location block 6 exits tapping hole completely, tapping machine
The screw tap 31 of structure is moved to the tapping hole across workpiece 0.The sliding support 2 of stopping promotion at this time, and connecting pole 83 and fixed block 33
Ejecting groove by ramp blocks 4 completely will be under the action of the first spring 331 after connecting pole 83 and fixed block 33 are ejected groove
It moves right, 33 movement of fixed block will quickly move right with carry-over bar 34, and 34 turn spur 35 of rack rotates, spur gear
By by the rotation of the realization second bevel gear 37 of first bevel gear 36, the rotation of second bevel gear 37 will be by solid therewith for 35 rotations
The shaft 32 connect drives screw tap 31 to rotate, and screw tap 31 can realize the screwing operation of the tapping hole to workpiece 0 when rotating.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (5)
1. plastics tapping machine, including workbench, it is characterised in that：The workbench left end and right end are respectively equipped with left pillar and the right side
Pillar, the workbench are equipped with sliding support and main fluid cylinder, and the sliding support is slidably connected with workbench, the sliding branch
Tapper mechanism is fixedly connected on frame, the tapper mechanism includes screw tap and the shaft for fixing the screw tap, the sliding
Holder is equipped with groove, and the groove is embedded with connecting pole, and the height of the connecting pole is more than the depth of groove, the connecting pole
Upper end is fixedly connected with fixed block, and the fixed block is equipped with rack, and the rack is engaged with spur gear, on the sliding support
It is connected with connecting rod, the spur gear and connecting rod are affixed, and first bevel gear, first cone are coaxially provided on the spur gear
Gear is engaged with second bevel gear, and the second bevel gear is fixedly connected with shaft, and the fixed block is equipped with the first elastic component,
The described one end of first elastic component far from fixed block is fixed on right pillar；Hydraulic fluid, the master are loaded in the main fluid cylinder
Main piston is slidably connected in fluid cylinder, the main piston is fixedly connected with piston rod, and the piston rod is fixed with sliding support to be connected
It connects；The left pillar is equipped with support column, and be slidably connected the triangulation location for being useful for being positioned to workpiece on the support column
Block, the triangulation location block and screw tap are coaxial, and the second elastic component, second elastic component one end and three are equipped in the support column
Angle locating piece is fixedly connected, and the other end of the second elastic component is fixedly connected with left pillar；Both sides are equal up and down for the triangulation location block
Equipped with the clamping device for clamping workpiece, the clamping device includes time fluid cylinder and clamping jaw, and the clamping jaw is connected with time piston,
The secondary piston is slidably connected in time fluid cylinder, and the secondary fluid cylinder is connected to main fluid cylinder, and the left pillar is equipped with support not good liquor
The support plate of cylinder, the main fluid cylinder, which is slidably connected, is useful for pushing the push rod of triangulation location block, a part for the push rod to stretch into master
In fluid cylinder, the push rod stretches out one end of main fluid cylinder and triangulation location block offsets, and the push rod is equipped with for sealing main fluid cylinder
With the block of push rod junction, the part that the push rod is located in main fluid cylinder can be pushed by main piston；The main fluid cylinder and sliding
The ramp blocks for jacking up connecting pole are equipped between holder, the ramp blocks are fixed on the table.
2. plastics tapping machine according to claim 1, it is characterised in that：The clamping jaw is taper.
3. plastics tapping machine according to claim 2, it is characterised in that：Rubber sleeve is covered on the clamping jaw.
4. plastics tapping machine according to claim 3, it is characterised in that：First elastic component and the second elastic component are
Spring.
5. plastics tapping machine according to claim 4, it is characterised in that：The hydraulic fluid is hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810278099.XA CN108515244A (en) | 2018-03-30 | 2018-03-30 | Plastics tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810278099.XA CN108515244A (en) | 2018-03-30 | 2018-03-30 | Plastics tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108515244A true CN108515244A (en) | 2018-09-11 |
Family
ID=63431000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810278099.XA Pending CN108515244A (en) | 2018-03-30 | 2018-03-30 | Plastics tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108515244A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857874A (en) * | 2018-09-25 | 2018-11-23 | 天通吉成机器技术有限公司 | A kind of indexable insert tip, throw away tip grinding machine and its special workpiece charging positioning device |
| CN109494633A (en) * | 2018-09-25 | 2019-03-19 | 天长市运成电缆辅料有限公司 | A kind of efficient peeling machine for cable |
| CN112496867A (en) * | 2019-12-23 | 2021-03-16 | 苏州龙硕精密模具有限公司 | Mechanical part machining table convenient to use and machining method thereof |
| CN113084212A (en) * | 2021-04-21 | 2021-07-09 | 东莞创响智能科技有限公司 | Numerical control machine tool for machining long-shaft parts |
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| CN107350579A (en) * | 2017-09-17 | 2017-11-17 | 王之韵 | A kind of lathe for being easy to body tapping |
| CN206913330U (en) * | 2017-07-14 | 2018-01-23 | 安徽省颐馨木业有限公司 | A kind of timber floor drilling machine for machining blind hole Self-tapping apparatus |
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| US7223054B1 (en) * | 2002-12-06 | 2007-05-29 | Gregory Dale Cady | Spiral groove pipe joint machining assembly |
| CN202943293U (en) * | 2012-11-20 | 2013-05-22 | 何智慧 | Novel tap drilling machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857874A (en) * | 2018-09-25 | 2018-11-23 | 天通吉成机器技术有限公司 | A kind of indexable insert tip, throw away tip grinding machine and its special workpiece charging positioning device |
| CN109494633A (en) * | 2018-09-25 | 2019-03-19 | 天长市运成电缆辅料有限公司 | A kind of efficient peeling machine for cable |
| CN108857874B (en) * | 2018-09-25 | 2024-01-12 | 浙江良晓精密机械科技有限公司 | Indexable blade grinding machine tool and special workpiece feeding positioning device thereof |
| CN112496867A (en) * | 2019-12-23 | 2021-03-16 | 苏州龙硕精密模具有限公司 | Mechanical part machining table convenient to use and machining method thereof |
| CN113084212A (en) * | 2021-04-21 | 2021-07-09 | 东莞创响智能科技有限公司 | Numerical control machine tool for machining long-shaft parts |
| CN113084212B (en) * | 2021-04-21 | 2022-05-31 | 东莞创响智能科技有限公司 | Numerical control machine tool for machining long-shaft parts |
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Application publication date: 20180911 |
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| RJ01 | Rejection of invention patent application after publication |