CN106624810B - A kind of vacuum pump cover drilling-tapping device with fixed mechanism - Google Patents
A kind of vacuum pump cover drilling-tapping device with fixed mechanism Download PDFInfo
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- CN106624810B CN106624810B CN201710135246.3A CN201710135246A CN106624810B CN 106624810 B CN106624810 B CN 106624810B CN 201710135246 A CN201710135246 A CN 201710135246A CN 106624810 B CN106624810 B CN 106624810B
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- vacuum pump
- pump cover
- tapping
- hole
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 146
- 230000007246 mechanism Effects 0.000 title claims abstract description 87
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000003801 milling Methods 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 238000013016 damping Methods 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 18
- 238000005553 drilling Methods 0.000 description 10
- 238000004062 sedimentation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of vacuum pump cover drilling-tapping device with fixed mechanism, including fixed mechanism, borehole drill construction and tapping mechanism, the borehole drill construction and the tapping mechanism are fixed on the same processing platform, are moved in the plane that the processing platform can be where it；The vacuum pump cover is fixed on the fixed mechanism, and can be rotated around the axis in its hole to be processed on the fixed mechanism；Multiple milling cutters that can be rotated with pedestal are fixed on the borehole drill construction；The tapping mechanism tapping cutter head normal work when do not rotate, when it is stuck in the vacuum pump cover when can be rotated with the vacuum pump cover.A kind of the advantages of vacuum pump cover drilling-tapping device with fixed mechanism disclosed by the invention, is：Stable operation, easy to use, service life is longer, can effectively save production cost and improve production efficiency, has good promotion prospect.
Description
Technical field
The present invention relates to workpiece to attack drilling machine tool technical field more particularly to a kind of vacuum pump cover drilling with fixed mechanism
Tapping device.
Background technology
Vacuum pump is that structure common in washing machine needs in the process of vacuum pump cover to burning the true of casting completion
Empty pump cover carries out drilling and tapping；Boring procedure is more complex, and multiple milling cutter stations will be arranged in traditional process, improve life
Produce cost；And during tapping, due to tapping cutter head with wait for that tapping hole may be stuck, be easy to cause cutter head fracture, seriously
Influence production efficiency.And during drilling and tapping, it is required for fixing workpiece, it can be solid using chuck for specification part
It is fixed, but since vacuum pump cover is not size workpiece, and have accurate requirement for the position of processing, so being not suitable for using chuck
It is fixed；Convenient it is therefore desirable to design a kind of drilling, tapping is reliable, is not easy stuck, while can facilitate fixed vacuum pump cover again
Drilling-tapping device.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of to facilitate fixed and can realize multiple tracks drilling operating simultaneously
And tapping process and tapping cutter head vacuum pump cover drilling-tapping device not easy to break.
The present invention is to solve above-mentioned technical problem by the following technical programs：
A kind of vacuum pump cover drilling-tapping device with fixed mechanism, including fixed mechanism, borehole drill construction and tooth machining unit
Structure；
The fixed mechanism includes pedestal and fixed fastening unit on the base, the vacuum pump cover inside groove engaging
On the base, the clamping section of the fastening unit coordinates with the pedestal along the vacuum pump cover inside groove axis direction activity
To abut the upper surface of the vacuum pump cover housing, to which the vacuum pump be covered tightly admittedly on the base；The fixed machine
Structure is additionally provided with first motor and the vacuum pump cover is driven to follow the fixed mechanism around the hole to be processed of the vacuum pump cover
Axis rotates；
The borehole drill construction includes pedestal and multiple milling cutters for being movably fixed on the pedestal；The pedestal includes support
Plate, fastening plates and interconnecting piece；The support plate is connected with the fastening plates by the interconnecting piece；The support plate, interconnecting piece
Form the pedestal of dies together with fastening plates；The milling cutter includes being connected with each other ground fixed part and cutter head；Institute
Fixed part level is stated to be fixedly installed between the support plate and the fastening plates；The second motor is provided on the borehole drill construction
Multiple milling cutters are driven to be rotated on the pedestal；
The tapping mechanism includes tapping cutter head, long axis, fixed seat and damping unit；The tapping cutter head and the long axis
Coaxial affixed, the fixed seat is provided centrally with a rolling bearing and hingedly coordinates with the long axis, and the tapping cutter head being capable of band
It moves the long axis and the rolling bearing rotates synchronously；The fixed seat bottom is provided with a fixed plate；The damping unit with
The fixed seat interference fit, the damping unit are fixedly connected with the fixed plate；
The borehole drill construction is fixed on same add by the pedestal and the fixed plate respectively with the tapping mechanism
On work platform, third motor is provided on the processing platform can drive the borehole drill construction and the tapping mechanism at one
It is moved in plane；Rotational plane of its plane of movement perpendicular to the first motor；
The axis in the hole to be processed of the vacuum pump cover is with the axis of the axis of the milling cutter and the tapping cutter head same
In one plane, and it is parallel with the plane of movement of third motor；The axis of the tapping cutter head and the vacuum pump cover
The axis in hole to be processed is parallel.
Preferably, be additionally provided with lug boss and limited post on the pedestal of the fixed mechanism, the lug boss with it is described true
Empty pump cover inside groove fastens, and the corresponding threaded holes of the limited post and the vacuum pump cover close.
Preferably, the fastening unit includes two affixed with the pedestal respectively and be divided into the lug boss both sides
Fixing axle, the length of the fixing axle are more than the height of the vacuum pump cover, and the vacuum pump cover is fastened on the lug boss
When, the line of the axis of two fixing axles passes through the axis of the vacuum pump cover inside groove；The top of the fixing axle it is straight
Diameter is more than the diameter of intermediate portion；Activity is combined with a support plate in the fixing axle, and the support plate both ends are respectively solid
Fixed end and movable end, the fixing end are rotatably assorted with a fixing axle, and the movable end is provided with U-type groove, described solid
Fixed end is rotated around the fixing axle to make the U-type groove be fastened in another fixing axle；With consolidating for the support plate
A support spring is provided in the fixing axle that fixed end is rotatably assorted, the support plate is withstood on the fixing axle by the support spring
Top；It is connect with a briquetting by hold-down bolt among the support plate, the hold-down bolt is affixed with the briquetting and can
The relatively described briquetting is freely rotated, and tightening the hold-down bolt can tightly be connected to the briquetting vacuum pump cover housing
Upper surface on.
Preferably, the fixed part inward flange of the borehole drill construction abut the interconnecting piece edge, the fixed part it is interior
Edge is identical as the interconnecting piece edge shape, and the fastening plates edge is evenly equipped with multiple mounting holes；The arrangement of the mounting hole
Shape is identical as the horizontal cross sectional geometry of the interconnecting piece, and the center of circle of the mounting hole is in the fixed part horizontal cross-section
On heart line, it is both provided with fastening bolt in each mounting hole, the fixed part is fixed on by multiple fastening bolts
Between the support plate and the fastening plates.
Preferably, the axis of the cutter head of at least one milling cutter is parallel to the axis in the hole to be processed of the vacuum pump cover
Line；Second motor can control the pedestal and rotate along the horizontal plane, the angle that the pedestal rotates every time and adjacent two
The smaller angle between straight line where the cutter head of a milling cutter is identical.
Preferably, the damping unit includes brake block and positioning plate, and the brake block is identical hollow by two
Semi-circular sheet steel constitute, the both ends of two semi-circular sheet steels abut, and the brake block of composition is hollow-core construction, in sky
The both ends in heart district domain are respectively set that there are one the return springs opened to be strained and fixed, and one end of the semi-circular sheet steel is plane,
There are one arc groove, two pieces of semi-circular sheet steel both ends to abut for other end setting, and two arc grooves splice to obtain one
Holding holes, there are one the first through hole to side protrusion, the first through hole to pass through the brake for positioning plate centre setting
The center of piece；The positioning plate is also set up in the side for being provided with the first through hole there are one corresponding with the holding holes solid
Fixed column, the specification of the fixed column are more than the size of the holding holes, and the holding holes are clamped in the fixed column；Institute
It states and is additionally provided with adjusting hole on positioning plate, the adjusting hole and the fixed column central symmetry；The holding holes are clamped in described
When in fixed column, another bearing surface of two semi-circular sheet steels of the adjusting hole face.
Preferably, described fixed seat one end is coaxially affixed by the long axis and the tapping cutter head, the other end and a resistance
Buddhist nun's disk is affixed；The dampened disk is affixed with the rolling bearing and can be rotated synchronously with the rolling bearing；The dampened disk is
It is discoid, it is provided with storage tank among the dampened disk and is used for housing the damping unit, the outer edge of the brake block and institute
State storage tank interference fit；Among the dampened disk it is protruding upward be provided with matched second through-hole of the first through hole,
Second through-hole is accommodated in the first through hole, and the long axis passes through second through-hole, and it is described fixed that the long axis stretches out
Part except the plate of position is locked by positioning bolt；The damping unit is fixed on by a connection piece in the fixed plate, institute
State connector both ends be respectively set there are one the first bolt and the fixed plate and the positioning plate it is affixed.
Preferably, the tapping cutter head is coaxially socketed in the both ends of same connector sleeve with the long axis, and passes through one respectively
A caging bolt across the connector sleeve surface is fixed；Also it is socketed with a driving spring on the long axis, when nature, institute
It states driving spring both ends and abuts the connector sleeve and rolling bearing respectively.
Preferably, the limit hole that the fixed seat length direction is run through there are one being also set up in the fixed seat, from fixation
Have the side to the fixed seat other side of the dampened disk, be respectively arranged in the limit hole steel ball, holddown spring and
Fixing bolt, the limit hole are provided with diameter of the one end open less than the steel ball of the steel ball；On the dampened disk
Position corresponding with the limit hole is uniformly arranged along the circumference multiple half ball grooves for housing the steel ball.
Preferably, it is additionally provided with grease nipple in the fixed seat.
The advantage of the invention is that：
1. preventing the vacuum pump cover from sliding on the base by the way that the lug boss is arranged in fixed mechanism, by setting
Setting the limited post prevents the vacuum pump cover from rotating on the base, to ensure being fixed on for the vacuum pump cover stabilization
On the fixed mechanism, it is ensured that machining accuracy；
2. so that the briquetting is tightly connected on the upper surface of the vacuum pump cover housing by tightening the hold-down bolt,
Prevent the vacuum pump cover from falling off；
3. the briquetting turns to the top of the vacuum pump cover by the support plate rotated around fixing axle, convenient to realize
The handling of vacuum pump cover；Support spring is designed in the fixing end of the support plate to jack up the support plate, prevent simultaneously
The support plate is slipped to when idle on the pedestal, is caused workpiece damage, is influenced service life；
4. multiple milling cutters are horizontally fixed on the pedestal that can be rotated in the horizontal plane by the borehole drill construction, realize same
One station using the purpose of multiple milling cutters, reduces production cost simultaneously, improves efficiency；
5. the milling cutter is fixed on by fastening bolt in the pedestal, it is convenient for the replacement and repair of the milling cutter；It is described
Fixed part is identical with the contact surface shape of the interconnecting piece, facilitates the fixation of the interconnecting piece, improves the fixed effect of the milling cutter
Fruit；
6. the same position in the fixed part is arranged in multiple milling cutter tips, the angle that the pedestal rotates every time with
The smaller angle of straight line where two adjacent cutter heads is identical, and milling cutter is towards identical after ensure that rotation every time, it is ensured that
It is constant to rotate post-processing position, improves the stability of processing；
7. the tapping device is affixed by making the tapping cutter head and the long axis, the long axis and the rolling bearing
Hinged cooperation, the rolling bearing and the dampened disk are affixed, realization tapping cutter head by can be driven when torsion the long axis,
The purpose that rolling bearing and dampened disk rotate synchronously；And interference fit has the damping unit in the dampened disk so that attack
The rotation of threading tool head must pull against the frictional force between the damping unit and the dampened disk；The tapping cutter head normal work
When, the torsion being subject to is smaller, is not enough to overcome the resistance between the damping unit and the dampened disk, the tapping cutter head is not
Rotation；When stuck between the tapping cutter head and the vacuum pump cover, the torsion that the tapping cutter head is subject to is larger, Neng Gouke
The frictional force between the damping unit and the dampened disk is taken, to make the tapping cutter head be rotated, to ensure
While normal work, the tapping cutter head can be prevented surprisingly to be broken；
8. driving spring is socketed on the long axis, when the third motor drives the tapping mechanism to the vacuum pump
When lid movement, the tapping cutter head is squeezed by the vacuum pump cover, and the driving spring is shunk, when the vacuum pump cover exists
When being rotated by of the first motor, under the elastic force effect of the driving spring, the tapping cutter head will be to described true
Empty pump cover carries out tapping and progresses into inside the vacuum pump cover, to realize that the tapping to the vacuum pump cover works, by
It releives in elastic force effect, the tapping cutter head and the vacuum pump cover will not be damaged, the stabilization of the tapping work can be improved
Property and yield；
9. being provided with steel ball in the fixed seat, corresponding half ball groove is provided on the dampened disk, to the tapping
When mechanism is debugged, rotating the dampened disk makes the steel ball coordinate to find the tapping cutter head from half different ball grooves
Best operational position, to improve the quality of tapping and the service life of the tapping cutter head；Simultaneously the tapping cutter head by
It, also can be according to the position of half ball groove coordinated with the steel ball easily by institute when larger torsion drives the dampened disk rotation
It states dampened disk to adjust go back to original position and do not have to be debugged again, to improve working efficiency.
A kind of vacuum pump cover drilling-tapping device with fixed mechanism of disclosure of the invention, stable operation, user
Just, service life is longer, can effectively save production cost and improve production efficiency, has good promotion prospect.
Description of the drawings
Fig. 1 is a kind of schematic diagram of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention；
Fig. 2 is a kind of fixed mechanism of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Schematic diagram after fixed vacuum pump cover；
Fig. 3 is a kind of fixed mechanism of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Schematic diagram；
Fig. 4 is a kind of vacuum pump cover of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
The schematic diagram put upside down；
Fig. 5 is a kind of vacuum pump cover of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
The schematic diagram just put；
Fig. 6 is a kind of borehole drill construction of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Schematic diagram；
Fig. 7 is a kind of borehole drill construction of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Pedestal schematic diagram；
Fig. 8 is a kind of borehole drill construction of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Pedestal front view；
Fig. 9 is a kind of drilling machine of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention two
The schematic diagram of structure；
Figure 10 is a kind of drilling of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention two
The schematic diagram of the pedestal of mechanism；
Figure 11 is a kind of drilling of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention two
The schematic diagram of the milling cutter of mechanism；
Figure 12 is a kind of tooth machining unit of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
The schematic diagram of structure；
Figure 13 is a kind of long axis of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Schematic diagram；
Figure 14 be a kind of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention long axis and
The schematic diagram of fixed seat；
Figure 15 is a kind of fixed seat of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Sectional view；
Figure 16 is a kind of fixed seat of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
With the explosive view of dampened disk；
Figure 17 is a kind of fixed seat of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
With the explosive view at another visual angle of dampened disk；
Figure 18 is a kind of dampened disk of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Schematic diagram；
Figure 19 is a kind of dampened disk of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Another visual angle schematic diagram；
Figure 20 is a kind of dampened disk of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Sectional view；
Figure 21 is a kind of damping list of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
The schematic diagram of first brake block side；
Figure 22 is a kind of damping list of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
The schematic diagram of first positioning plate side；
Figure 23 is a kind of brake block of vacuum pump cover drilling-tapping device with fixed mechanism of the embodiment of the present invention
Schematic diagram.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of vacuum pump cover drilling-tapping device with fixed mechanism, including fixed mechanism 1, drilling machine
Structure 2 and tapping mechanism 3；The borehole drill construction 2 and the tapping mechanism 3 are fixed on same processing platform 4, the vacuum pump
Lid 5 is clamped on the fixed mechanism 1, and third motor (being not drawn into figure) is provided on the processing platform 4 and drives institute
Borehole drill construction 2 and the tapping mechanism 3 are stated in the plane motion where the processing platform 4.
With reference to figure 3, the fixed mechanism 1 includes pedestal 11 and the fastening unit being fixed on the pedestal 11；The bottom
It is provided with lug boss 111 and limited post 112 on seat 11；The fastening unit include two it is affixed with the pedestal 11 respectively and point
Fixing axle 12 set on 111 both sides of the lug boss, the length of the fixing axle 12 are more than the height of the vacuum pump cover；It is described
The diameter at the top 121 of fixing axle 12 is more than the diameter of intermediate portion；Activity is combined with a support plate in the fixing axle 12
13,13 both ends of the support plate are respectively fixing end and movable end, and the fixing end is rotatably assorted with a fixing axle 12,
The movable end is provided with U-type groove 133, and the fixing end is rotated around the fixing axle 12 to make the U-type groove 133 be fastened on
In another fixing axle 12；It is provided with a support spring in the fixing axle 12 being rotatably assorted with the fixing end of the support plate
122, the support spring 122 withstands on the support plate 13 121 at the top of the fixing axle；Pass through pressure among the support plate 13
Tight bolt 132 is connect with a briquetting 131, and the hold-down bolt 132 is affixed with the briquetting 131 and being capable of the relatively described briquetting
131 are freely rotated.
In conjunction with Fig. 2, Fig. 4 and Fig. 5, the lug boss 111 is matched with the inside groove 51 of the vacuum pump cover 5, to prevent
The vacuum pump cover 5 slides on the pedestal 11, and the limited post 112 is matched with the threaded hole 52 of the vacuum pump cover 5；
To avoid the vacuum pump cover 5 from being rotated on the pedestal 11, the positioning of the vacuum pump cover 5 is realized, and ensure described true
The hole to be processed 53 of empty pump cover 5 is towards the outside of the fixed mechanism 1；And the line of the axis of two fixing axles 12 passes through
The axis of the inside groove 51.
Rotating the support plate 13 makes the U-type groove card 133 close in the fixing axle 12, tightens the hold-down bolt
132, so that 13 both ends of the support plate is against the fixing axle top 121, while the briquetting 131 compresses the vacuum pump cover 5
Shell upper surface；To which the vacuum pump cover 5 is pressed on the pedestal 11.The length direction of the briquetting 131 with
The length direction of the support plate 13 is parallel, and 131 both sides of the briquetting are abutted with the shell edge of vacuum pump cover 5 respectively, described
The middle section of briquetting 131 and the middle section of the shell of the vacuum pump cover 5 abut against, to ensure that the vacuum pump cover 5 exists
Balance is kept on the pedestal 11, improves the stability of clamping.
First motor (being not drawn into figure) is additionally provided on the fixed mechanism 1, the first motor can drive described
Vacuum pump cover 5 follows axis of the fixed mechanism 1 around the hole to be processed 53 of the vacuum pump cover 5 to rotate.
With reference to figure 6, the borehole drill construction 2 includes pedestal 21 and multiple milling cutters 22 being movably fixed on the pedestal 21.
With reference to figure 7, the pedestal 21 includes support plate 211, fastening plates 212 and interconnecting piece 213；211 He of the support plate
The fastening plates 212 are fixedly connected by the interconnecting piece 213；With reference to figure 8, the support plate 211, interconnecting piece 213 and fastening
Plate 212 forms the pedestal 21 of dies together.
Referring again to Fig. 7, the horizontal cross-section of the interconnecting piece 213 is square, and 212 edge of the fastening plates is evenly equipped with multiple
Mounting hole 2121, the spread geometry of the mounting hole 2121 is identical as the horizontal cross sectional geometry of the interconnecting piece 213, is pros
Shape.
Referring again to Fig. 6, the milling cutter 22 is provided with multiple, and the milling cutter 22 includes being connected with each other ground fixed part 221 and knife
First 222；The fixed part 221 is fixedly installed on the support plate by 23 level of fastening bolt across the mounting hole 2121
Between 211 and the fastening plates 212, and 221 inward flange of the fixed part is close to the edge of the interconnecting piece 213, described solid
The inward flange for determining portion 221 is identical as the edge shape of the interconnecting piece 213, and 221 upper and lower surface of the fixed part is plane.It is described
Cutter head 222 is set to the one end of the fixed part 221 towards outside.The borehole drill construction is overlooked, the mounting hole 2121
The center of circle is fallen on the center line in 221 section of the fixed part.
The borehole drill construction 2 is additionally provided with the second motor (being not drawn into figure) and drives multiple milling cutters 22 in the pedestal
It is rotated along the horizontal plane on 21；Between the angle that the pedestal 21 rotates every time and the central axes of adjacent two cutter heads 222
Smaller angle it is identical, the angle is 90 ° in the present embodiment；Multiple milling cutters 22 by job order clockwise or counterclockwise according to
Secondary to be fixed in the pedestal 21, vacuum pump cover 5 is to be processed described in 222 face of cutter head of the milling cutter 22 of first job
Hole 53, so that it is guaranteed that hole 53 to be processed described in all faces of the cutter head 222 after rotation every time, ensures the precision of processing.
The present invention also provides the another embodiments of the borehole drill construction 2, as shown in Fig. 9, Figure 10 and Figure 11, this reality
It applies example and the horizontal cross-section of the interconnecting piece 213 in above-described embodiment is designed as circle, the arrangement of corresponding mounting hole 2121
Shape is also round, while the fixed part 221 being also configured as to a part for entire annulus, and the fixed part 221 is interior
Radius of circle is identical as the radius of the interconnecting piece 213.
The outer circle center with the fixed part 221, and the cutter head is arranged in cutter head 222 described in preferred embodiment
222 axis passes through the center of circle of the fixed part 221；Compared with above-described embodiment, the borehole drill construction 2 provided in this embodiment
22 fixed form of milling cutter it is more stable, in use, the milling cutter 22 will not slide due to by external force, boring procedure is more steady
It is fixed.
With reference to figure 12 and Figure 13, the tapping mechanism 3 includes that tapping cutter head 31, long axis 32, fixed seat 33 and damping are single
Member.The hole to be processed 53 of vacuum pump cover 5 described in 31 face of tapping cutter head.The tapping cutter head 31 is coaxial with the long axis 32
The both ends of a connector sleeve 39 are socketed in, and pass through the caging bolt 391 on 39 surface of the connector sleeve to fix by one respectively；From
And realize the effect that the tapping cutter head 31 is fixedly connected with the long axis 32 and can rotate synchronously.
With reference to figure 14, the fixed seat is provided centrally with a rolling bearing 331 and hingedly coordinates with the long axis 32, to realize
The effect that the rolling bearing 331 is rotated synchronously with the long axis 32；In preferred embodiment, the long axis 32 and the axis of rolling
The surface for holding 331 is respectively arranged with the spline 324 and 3312 worked in coordination to realize the long axis 32 and the rolling bearing 331
Hinged cooperation.
A driving spring 322 is also socketed with referring again to Figure 12, on the long axis 32；When nature, the driving spring
322 both ends abut the connector sleeve 39 and the rolling bearing 331 respectively.
33 bottom of the fixed seat is provided with a fixed plate 332 and the processing platform 4 is affixed, in the fixed seat 33 also
It is provided with a grease nipple 334 conveniently to lubricate to the rolling bearing 331, reduces the rolling bearing 331 and the fixed seat 33
Frictional force, improve service life.
With reference to figure 15, also set up in the fixed seat 33 there are one run through 33 length direction of the fixed seat limit hole；
From close to a side of the driving spring 322 to 33 other side of the fixed seat；It is disposed in the limit hole described solid
Determine bolt 3333, holddown spring 3332 and steel ball 3331；The one end open that the limit hole is provided with the steel ball 3331 is small
In the diameter of the steel ball 3331, in case the steel ball 3331 is fallen from the limit hole.
With reference to figure 16,33 one end of the fixed seat is coaxial affixed by the long axis 32 and the tapping cutter head 31, another
End is connected with a dampened disk 34, and the dampened disk 34 is affixed with the rolling bearing 331 and the rolling bearing 331 can be followed same
Step rotation.With reference to figure 18, the dampened disk 34 is discoid, and storage tank 341 is provided among the dampened disk 34, described accommodating
It is projected upwards among slot 341 and is provided with the second through-hole 342；341 bottom of the storage tank is uniformly distributed with three sedimentation screw threads along the circumference
344.Referring again to Figure 16, it is provided on the rolling bearing 331 and three 344 matched sedimentation screw holes of the sedimentation screw thread
3311.With reference to figure 17, on the dampened disk 34 setting there are three sedimentation bolt 310 be fixed on the sedimentation screw thread 344 with it is described
It settles in screw hole 3311, to which the dampened disk 34 is fixedly connected with the rolling bearing 331, the sedimentation screw hole 3311
Nut is deposited under the bottom surface of the storage tank 341.
With reference to figure 19 and Figure 20, in the one side that the dampened disk 34 is in contact with the rolling bearing 331 with the limit
The position corresponding position in hole is circumferentially arranged there are four half ball groove 343, and half ball groove 343 is matched with the steel ball 3331,
It can make the steel ball 3331 and the different hemisphere by rotating coaxially the dampened disk 34 from the rolling bearing 331
Slot 343 coordinates；Since the tapping cutter head 31 and the long axis 32 and the rolling bearing 331 can rotate synchronously, the resistance
The rotation of Buddhist nun's disk 34 will drive the tapping cutter head 31 to rotate；The steel ball 3331 is set to come from different half ball groove 343 cooperations
The position for adjusting the tapping cutter head 31 finds best tapping angle to the tapping cutter head 31.
Referring again to Figure 12, the damping unit is accommodated in the dampened disk 34 and is interference fitted with the storage tank 341.
With reference to figure 21, the damping unit includes brake block 35 and positioning plate 36；With reference to figure 23, the brake block 35 is by two
A identical hollow semi-circular sheet steel 351 is constituted, and the both ends of two semi-circular sheet steels 351 abut, the institute of composition
State brake block 35 be hollow-core construction, the both ends of the hollow area of the brake block 35 be respectively set there are one open return bullet
Spring 352 is strained and fixed, and one end of the semi-circular sheet steel 351 is plane, and other end setting is there are one arc groove, two pieces described half
351 both ends of circular steel plate abut, and two arc grooves splice to obtain a holding holes 353.
Referring again to Figure 21, setting is there are one the first through hole 361 to side protrusion among the positioning plate 36, described the
The same side of one through-hole 361 is also set up there are one fixed column 362, and the first through hole 361 passes through the center of the brake block 35,
Holding holes 353 are corresponding with the fixed column 362, and the radius of the fixed column 362 is more than the width of the holding holes 353, pulls open
The holding holes 353 are fixed in the fixed column 362 by the return spring 352, are made in the elastic force of the return spring 352
Under, the brake block 35 is fixed together with the positioning plate 36.
With reference to figure 22, adjusting hole 363, the adjusting hole 363 and the fixed column 362 are additionally provided on the positioning plate 36
Central symmetry, when the holding holes 353 are clamped in the fixed column 362, the adjusting hole 363 face, two semicircles
Another bearing surface of steel plate 351.Locating slot 364 is additionally provided on the positioning plate 36, in the positioning plate in preferred embodiment
Two place-centrics symmetrically locating slot 364 is provided on 36.Boss 365 is additionally provided on the positioning plate 36, it is described
Boss 365 is in the fixed column 362 in the different sides of the positioning plate 36.
Referring again to Figure 12, the damping unit is accommodated in the storage tank 341, and second through-hole 342 is nested in institute
It states in first through hole 361, the long axis 32 is nested in second through-hole 342 and extends except the positioning plate 36, institute
It states the part setting positioning bolt 38 that long axis 32 is exposed at except the positioning plate 36 to lock, prevents the long axis 32 directly from described
It extracts out 31 one end of tapping cutter head.The damping unit is fixed on by a connection piece 37 in the fixed plate 332, the connector
37 both ends be respectively set there are one the first bolt 371 and the fixed plate 332 and the positioning plate 36 it is affixed, first bolt
371 coordinate with the locating slot 364.
By the way that the damping unit to be fixedly connected with the fixed plate 332, the rotation of the damping unit is limited, by
It is interference fitted in the damping unit and the dampened disk 34, the dampened disk 34 need to overcome the brake block 35 and institute when rotating
State the frictional force between storage tank 341.If necessary to adjust the frictional force between the brake block 35 and the storage tank 341
When, by the adjusting hole 363 to filled between the brake block 35 gasket can increasing friction force, reduce gasket can reduce
Frictional force, it is easy to operate.
When using a kind of vacuum pump cover drilling-tapping device with fixed mechanism disclosed by the invention, by the vacuum pump
Lid 5 coordinates with the lug boss 111 and limited post 112 respectively, is used in combination the fastening unit that the vacuum pump cover 5 is fixed on institute
It states on fixed mechanism 1；The drilling-tapping device is started, the first motor will drive the vacuum pump cover 5 to be processed around its
The axis in hole 53 rotates, and then the third motor will drive the borehole drill construction 2 to move, and make the milling cutter 22 to the vacuum
The hole to be processed 53 of pump cover 5 moves, and after the milling cutter 22 touches the surface of the vacuum pump cover 5, the milling cutter 22 is described
The hole to be processed 53 is drilled out on 5 surface of vacuum pump cover under the drive of third motor, after first milling cutter 22 works,
The third motor drives the milling cutter 22 to be withdrawn from the hole 53 to be processed, and then second motor drives the base
Seat rotation, makes second milling cutter 22 be directed at the hole to be processed 53, then repeats above-mentioned boring action.
After the hole 53 to be processed is drilled, the third motor drives the movement of processing platform 4 to make the tapping knife
Hole 53 to be processed described in first 31 face, then the third motor drive the tapping cutter head 31 to abut the hole to be processed 53,
And compress the driving spring 322 and make inlet of the tapping cutter head 31 always in the hole 53 to be processed, due to the first electricity
Machine drives the vacuum pump cover 5 to rotate, and the tapping cutter head 31 can be waited for described under the elastic force effect of the driving spring 322
Processing hole 53 carries out tapping and slowly enters the hole to be processed 53, and the driving force of tapping is provided by the driving spring 322,
Enable the tapping cutter head 31 slowly to carry out tapping to the hole 53 to be processed naturally, ensure that tapping quality；Tapping
After remove the vacuum pump cover.
In the 31 normal tapping of tapping cutter head, the torsion that the tapping cutter head 31 is subject to is smaller, both will not will be described
Tapping cutter head 31 twists off, and the frictional force between the storage tank 341 and the brake block 35 can not be overcome to make the tapping knife
First 31 rotation, so tapping action can divide exactly progress；When the tapping cutter head 31 it is stuck in the hole 53 to be processed when, such as
Tapping cutter head 31 described in fruit does not follow the vacuum pump cover 5 to rotate, and the tapping cutter head 31 will be broken under the action of torsion；For
It prevents the tapping cutter head 31 to be broken, the frictional force between the storage tank 341 and the brake block 35 should be adjusted, when described
When tapping cutter head 31 is stuck, make the torsion being subject on the tapping cutter head 31 when the tapping cutter head 31 cannot be twisted off just gram
The frictional force between the storage tank 341 and the brake block 35 is taken, to make the tapping cutter head 31 follow the vacuum pump
Lid rotation improves the service life of the tapping mechanism to prevent the tapping cutter head 31 to be broken, so the reality of the present invention
It applies example and provides a kind of flexible tapping mechanism that can prevent tapping knife head rupture.
When the tapping cutter head 31 follows the vacuum pump cover 5 to rotate, the steel ball 3331 will leave and described in its half
Ball groove 343, after adjusting the tapping mechanism 3, directly rotate the dampened disk 34 make the steel ball 3331 still with before
The tapping cutter head 31 can be adjusted go back to optimum position by the cooperation of half ball groove 343, without debugging the tapping again
Mechanism 3, improves production efficiency.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, not
It is any modification that those of ordinary skill in the art make the present invention, equivalent under the premise of being detached from the spirit and principles in the present invention
Replace, improve etc., it should all fall within the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of vacuum pump cover drilling-tapping device with fixed mechanism, it is characterised in that：Including fixed mechanism, borehole drill construction
And tapping mechanism；
The fixed mechanism includes pedestal and fixed fastening unit on the base, and the vacuum pump cover inside groove is fastened on institute
It states on pedestal, the clamping section of the fastening unit coordinates along the vacuum pump cover inside groove axis direction activity to support with the pedestal
The upper surface of the vacuum pump cover housing is connect, to cover tightly admittedly on the base the vacuum pump；The fixed mechanism is also
It is provided with the axis that first motor drives the vacuum pump cover to follow the fixed mechanism around the hole to be processed of the vacuum pump cover
Rotation；
The borehole drill construction includes pedestal and multiple milling cutters for being movably fixed on the pedestal；The pedestal include support plate,
Fastening plates and interconnecting piece；The support plate is connected with the fastening plates by the interconnecting piece；The support plate, interconnecting piece and tight
Solid plate forms the pedestal of dies together；The milling cutter includes being connected with each other ground fixed part and cutter head；It is described solid
Determine portion's level to be fixedly installed between the support plate and the fastening plates；The drive of the second motor is provided on the borehole drill construction
Multiple milling cutters rotate on the pedestal；
The tapping mechanism includes tapping cutter head, long axis, fixed seat and damping unit；The tapping cutter head and the long axis are coaxial
Affixed, the fixed seat is provided centrally with a rolling bearing and hingedly coordinates with the long axis, and the tapping cutter head can drive institute
It states long axis and the rolling bearing rotates synchronously；The fixed seat bottom is provided with a fixed plate；The damping unit with it is described
Fixed seat is interference fitted, and the damping unit is fixedly connected with the fixed plate；
The borehole drill construction is fixed on the same processing by the pedestal and the fixed plate respectively with the tapping mechanism and puts down
On platform, third motor is provided on the processing platform can drive the borehole drill construction and the tapping mechanism in a plane
Upper movement；Rotational plane of its plane of movement perpendicular to the first motor；
The axis in the hole to be processed of the vacuum pump cover is with the axis of the axis of the milling cutter and the tapping cutter head same
In plane, and it is parallel with the plane of movement of third motor；The axis of the tapping cutter head is to be added with the vacuum pump cover
The axis in work hole is parallel.
2. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 1, it is characterised in that：Institute
It states and is additionally provided with lug boss and limited post on the pedestal of fixed mechanism, the lug boss fastens with the vacuum pump cover inside groove,
The corresponding threaded holes of the limited post and the vacuum pump cover close.
3. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 2, it is characterised in that：Institute
It includes two fixing axles that are affixed with the pedestal respectively and being divided into the lug boss both sides, the fixing axle to state fastening unit
Length be more than the vacuum pump cover height, when the vacuum pump cover is fastened on the lug boss, two fixing axles
Axis line pass through the vacuum pump cover inside groove axis；The diameter at the top of the fixing axle is more than intermediate portion
Diameter；Activity is combined with a support plate in the fixing axle, and the support plate both ends are respectively fixing end and movable end, described solid
Fixed end is rotatably assorted with a fixing axle, and the movable end is provided with U-type groove, and the fixing end is rotated around the fixing axle
To make the U-type groove be fastened in another fixing axle；The fixing axle being rotatably assorted with the fixing end of the support plate
On be provided with a support spring, the support spring withstands on the support plate at the top of the fixing axle；Among the support plate
Connect with a briquetting by hold-down bolt, the hold-down bolt and the briquetting it is affixed and can the relatively described briquetting freely turn
Dynamic, tightening the hold-down bolt can tightly be connected to the briquetting on the upper surface of the vacuum pump cover housing.
4. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 1, it is characterised in that：Institute
The fixed part inward flange for stating borehole drill construction abuts the edge of the interconnecting piece, the inward flange of the fixed part and the interconnecting piece side
Edge shape is identical, and the fastening plates edge is evenly equipped with multiple mounting holes；The spread geometry of the mounting hole and the interconnecting piece
Horizontal cross sectional geometry is identical, and the center of circle of the mounting hole is on the center line of the fixed part horizontal cross-section, each described solid
Determine to be both provided with fastening bolt in hole, the fixed part is fixed on the support plate and described tight by multiple fastening bolts
Between solid plate.
5. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 1, it is characterised in that：Extremely
Few axis there are one the cutter head of the milling cutter is parallel to the axis in the hole to be processed of the vacuum pump cover；The second motor energy
It enough controls the pedestal to rotate along the horizontal plane, the cutter head institute of the angle that the pedestal rotates every time and two adjacent milling cutters
Straight line between smaller angle it is identical.
6. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 1, it is characterised in that：Institute
It includes brake block and positioning plate to state damping unit, and the brake block is made of two identical hollow semi-circular sheet steels,
The both ends of two semi-circular sheet steels abut, and the brake block of composition is hollow-core construction, is distinguished at the both ends of hollow area
The return spring opened there are one being arranged is strained and fixed, and one end of the semi-circular sheet steel is plane, and there are one other end settings
Arc groove, two pieces of semi-circular sheet steel both ends abut, and two arc grooves splice to obtain a holding holes, the positioning plate
There are one the first through hole to side protrusion, the first through hole to pass through the center of the brake block for centre setting；The positioning
Plate is also set up in the side for being provided with the first through hole there are one fixed column corresponding with the holding holes, the fixed column
Specification is more than the size of the holding holes, and the holding holes are clamped in the fixed column；It is also set up on the positioning plate
There are adjusting hole, the adjusting hole and the fixed column central symmetry；When the holding holes are clamped in the fixed column, the tune
Another bearing surface of two semi-circular sheet steels of whole hole face.
7. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 6, it is characterised in that：Institute
It is coaxially affixed by the long axis and the tapping cutter head to state fixed seat one end, the other end is connected with a dampened disk；The damping
Disk is affixed with the rolling bearing and can be rotated synchronously with the rolling bearing；The dampened disk is discoid, the dampened disk
Centre is provided with storage tank and is used for housing the damping unit, and the outer edge of the brake block is interference fitted with the storage tank；
Protruding upward be provided with is accommodated in matched second through-hole of the first through hole, second through-hole among the dampened disk
In the first through hole, the long axis passes through second through-hole, and the part that the long axis stretches out except the positioning plate passes through
Positioning bolt locks；The damping unit is fixed on by a connection piece in the fixed plate, and the connector both ends are set respectively
The first bolt and the fixed plate and the positioning plate are affixed there are one setting.
8. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 7, it is characterised in that：Institute
It states tapping cutter head and is coaxially socketed in the both ends of same connector sleeve with the long axis, and pass through the connector sleeve table by one respectively
The caging bolt in face is fixed；Also it is socketed with a driving spring on the long axis, when nature, the driving spring both ends difference
Abut the connector sleeve and rolling bearing.
9. a kind of vacuum pump cover drilling-tapping device with fixed mechanism according to claim 8, it is characterised in that：Institute
The limit hole for running through the fixed seat length direction there are one being also set up in fixed seat is stated, from the side for being fixed with the dampened disk
To the fixed seat other side, steel ball, holddown spring and fixing bolt, the limit hole are respectively arranged in the limit hole
The one end open for being provided with the steel ball is less than the diameter of the steel ball；The position corresponding with the limit hole on the dampened disk
It sets and is uniformly arranged along the circumference multiple half ball grooves for housing the steel ball.
10. special according to a kind of vacuum pump cover drilling-tapping device with fixed mechanism of claim 1-9 any one of them
Sign is：It is additionally provided with grease nipple in the fixed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135246.3A CN106624810B (en) | 2017-03-08 | 2017-03-08 | A kind of vacuum pump cover drilling-tapping device with fixed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135246.3A CN106624810B (en) | 2017-03-08 | 2017-03-08 | A kind of vacuum pump cover drilling-tapping device with fixed mechanism |
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| CN106624810A CN106624810A (en) | 2017-05-10 |
| CN106624810B true CN106624810B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710135246.3A Active CN106624810B (en) | 2017-03-08 | 2017-03-08 | A kind of vacuum pump cover drilling-tapping device with fixed mechanism |
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| CN113231670A (en) * | 2021-05-31 | 2021-08-10 | 贵州航天电子科技有限公司 | Waveguide tube drilling tool and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490015A (en) * | 2011-12-16 | 2012-06-13 | 扬州万方电子技术有限责任公司 | Machining device for drilling and tapping inside small space |
| CN202952093U (en) * | 2012-11-26 | 2013-05-29 | 天津市汇晶丰精密机械有限公司 | Gear pump front cover connecting hole tapping fixing tool |
| CN205342438U (en) * | 2016-01-18 | 2016-06-29 | 温岭市精仁机械有限公司 | Air compressor machine pump cover processing equipment |
| CN206632648U (en) * | 2017-03-08 | 2017-11-14 | 安徽光华铝业制造有限公司 | A kind of vacuum pump cover drilling-tapping device with fixed mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04146037A (en) * | 1990-10-08 | 1992-05-20 | Mitsubishi Heavy Ind Ltd | Plug remover for heat transmission pipe of vapor generator |
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2017
- 2017-03-08 CN CN201710135246.3A patent/CN106624810B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490015A (en) * | 2011-12-16 | 2012-06-13 | 扬州万方电子技术有限责任公司 | Machining device for drilling and tapping inside small space |
| CN202952093U (en) * | 2012-11-26 | 2013-05-29 | 天津市汇晶丰精密机械有限公司 | Gear pump front cover connecting hole tapping fixing tool |
| CN205342438U (en) * | 2016-01-18 | 2016-06-29 | 温岭市精仁机械有限公司 | Air compressor machine pump cover processing equipment |
| CN206632648U (en) * | 2017-03-08 | 2017-11-14 | 安徽光华铝业制造有限公司 | A kind of vacuum pump cover drilling-tapping device with fixed mechanism |
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Denomination of invention: A drilling and tapping device for vacuum pump cover with a fixed mechanism Granted publication date: 20181113 Pledgee: China Postal Savings Bank Co.,Ltd. Taihu County Branch Pledgor: ANHUI GUANGHUA ALUMINUM BUSINESS MANUFACTURING Co.,Ltd. Registration number: Y2024980001070 |
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