CN108941675A - Centre drill aperture apparatus - Google Patents
Centre drill aperture apparatus Download PDFInfo
- Publication number
- CN108941675A CN108941675A CN201810849880.8A CN201810849880A CN108941675A CN 108941675 A CN108941675 A CN 108941675A CN 201810849880 A CN201810849880 A CN 201810849880A CN 108941675 A CN108941675 A CN 108941675A
- Authority
- CN
- China
- Prior art keywords
- block
- mounting post
- fixed
- bar
- support column
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/22—Drilling machines with a plurality of working-spindles; Drilling automatons with working-spindles in opposite headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/26—Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor
-
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the machine tool technology fields with maintenance or clamping device or fast actuating device feature, disclose a kind of centre drill aperture apparatus, including rack and workbench, set that there are two support portion, clamping section and bore portions on workbench；Support portion includes mounting post and support column；Clamping section includes the l-shaped rod being made of cross bar and vertical bar, and cross bar runs through the side wall of mounting post；Bore portion includes the U-shaped communicating pipe being made of two transverse tubes and a vertical tube, is slidingly sealed with slide plate in transverse tube；It is fixed with the mobile bar through mounting post on the slide plate of lower part, further includes fixed block and link block, fixed block is equipped with threaded hole, and threaded hole internal screw thread is connected with shaft, drill bit is fixed in shaft, the motor of drive shaft is additionally provided in rack；Link block is equipped with groove, and fixed block is equipped with convex block；The slide plate on top is equipped with push rod.The problem of centre bore that the present invention solves the logical machine crankshaft both ends of the prior art can only be carried out individually, lead to the low efficiency of drilling.
Description
Technical field
The invention belongs to the machine tool fields with maintenance or clamping device or fast actuating device feature, and in particular to a kind of
Centre drill aperture apparatus.
Background technique
Logical machine crankshaft is the abbreviation of general electromechanical crankshaft, is a kind of crankshaft that can be used in various mechanical equipments, main
To include two trunnions and the balance weight between trunnion, protrusion is equipped between trunnion and balance weight.And logical machine
The processing of crankshaft mainly includes blank centering, turning, keyseat process, and wherein centering is for the ease of subsequent vehicle
The fixation with keyseat is cut, to ensure the precision processed.
Now current drilling equipment mainly includes supporting table, the gripping block being arranged in supporting table and is slidably connected at support
Drill bit on platform pushes against one end of logical machine crankshaft and supporting table when drilling, gripping block is slided, so that gripping block supports protrusion
Tightly, it realizes the fixation of logical machine crankshaft, restarts drill bit, drilled by drill bit to logical machine crankshaft.
But there are following technical problems for above-mentioned drilling equipment: when drilling, can only once carry out to one end of logical machine crankshaft
Drilling leads to the low efficiency of drilling.
Summary of the invention
The invention is intended to provide a kind of centre drill aperture apparatus, lead to the centre bore at machine crankshaft both ends only to solve the prior art
The problem of capable of individually carrying out, leading to the low efficiency of drilling.
To achieve the above object, the present invention provides the following technical solutions, centre drill aperture apparatus, including rack and setting exist
Workbench in rack, is symmetrical arranged that there are two support portion, two clamping sections and two bore portions on workbench；Support portion wraps
It including and is fixed in supporting table and is in hollow mounting post, support column is slidably connected in mounting post, the bottom of support column is in wedge surface,
It is equipped with supporting block at the top of support column, is equipped with spring between supporting block and mounting post top；Clamping section includes by cross bar and vertical bar
The l-shaped rod of composition, cross bar run through the side wall of mounting post and are slidably connected with it, and the side that cross bar is located in the cavity of mounting post is
The wedge surface parallel with support column bottom；And clamping section is respectively positioned between two support portions, is equipped between the vertical bar of two clamping sections
Spring；Bore portion includes being fixed on the rack and being located at U-shaped communicating pipe of the mounting post far from l-shaped rod side, U-shaped communicating pipe packet
Two transverse tubes and a vertical tube are included, slide plate is slidingly sealed in transverse tube, is marked with liquid between two pieces of slide plates in U-shaped communicating pipe
Body；It is fixed on the slide plate of lower part through mounting post and the mobile bar that is connect with mounting post side walls, mobile bar is located at cross bar
Lower section, mobile bar be located at one end in the cavity of mounting post be the wedge surface opposite with support column bottom surface；Bore portion further includes position
The fixed block connecting above mobile bar and with housing slide, fixed block are equipped with threaded hole, and threaded hole internal screw thread, which is connected with, to be turned
Axis, shaft are fixed with drill bit close to one end of mounting post, the motor of drive shaft are additionally provided in rack；It is located at fixed block in rack
Link block is equipped between mounting post, link block is equipped with groove, and fixed block is equipped with the convex block cooperated with groove；The cunning on top
Plate is equipped with the mobile push rod of driving fixed block.
The principle of the technical program:
By the way that two trunnions of logical machine crankshaft are placed in supporting block, branch is squeezed under the gravity of logical machine crankshaft
Bracer so that mounting post moves down, and is supported by trunnion of the supporting block to logical machine crankshaft.Pass through wedge when mounting post moves down
The wedge surface of face and cross bar cooperation, so that cross bar skids off mounting post, and two cross bar relative movements, to realize the opposite of vertical bar
It is mobile, the protrusion on logical machine crankshaft is clamped, realizes the fixation of logical machine crankshaft.
Mounting post is displaced downwardly to after cross bar skids off mounting post, and the wedge surface of mounting post is contacted with the wedge surface of mobile bar, with installation
Column moves down, and the end of mounting post moves along the wedge surface sliding of bar, and squeezes mobile bar, so that mobile bar drives slide plate mobile.
Since slide plate is located in U-shaped linker, the slide plate on top drives push rod reverse movement, to realize that push rod drives phase therewith
The fixed block supported is mobile towards mounting post direction, and fixed block drives shaft and drill bit mobile, when mounting post is moved to bottom, realizes
The end of drill bit and logical machine crankshaft trunnion offsets；By starting motor drive shaft rotation, can be realized to logical machine crankshaft into
Row drilling.
The technical program the utility model has the advantages that
1. being supported by trunnion of the support column to logical machine crankshaft, and realized using two vertical bar relative movements to logical
Protrusion on machine crankshaft is clamped, to be able to achieve the fixation of logical machine crankshaft, and leads to the end of the trunnion of machine crankshaft at this time
Without obstacle, it can be achieved at the same time and drill to the both ends of logical machine crankshaft, so that the efficiency of drilling improves；
2. support column is slidably connected in mounting post, and just can be realized branch under the gravity of logical machine crankshaft itself
The movement of dagger to realize the movement of cross bar, and drives vertical bar movement to be clamped logical machine crankshaft, certainly by logical machine crankshaft
The gravity of body, which is just able to achieve, clamps it, and installation is very convenient, realizes clamping without carrying out other operation；
3. moving down by support column, the movement of mobile bar can be realized, and cooperate U-shaped linker, so that drill bit is to peace
It is mobile to fill column direction, and drill bit and the end of logical machine crankshaft are offseted, when the motor is energized, is just able to achieve to logical machine crankshaft
Trunnion drill centers.
Further, it is located in the rack and is additionally provided with the piston bucket that top seals above workbench, sliding connects in piston bucket
It is connected to piston, piston base is fixed with the piston rod in inverted T-shaped, and the both ends of underpart of the piston rod are equipped with compact heap；Piston bucket
Top is connected to the bottom of two mounting posts respectively by conduit.
The utility model has the advantages that the gas of the cavity lower part in mounting post is gradually compressed when support column moves down, gas is by leading
Pipe is guided to the top of piston bucket, to be pressed down against piston, realizes moving down for piston rod, and compact heap is gradually close to protrusion,
It when support column is moved to mounting column bottom, offsets at the top of compact heap and convex block, realizes and push against protrusion downwards.Since drill bit exists
The power that trunnion one rotation can be given when drill centers can make logical machine crankshaft have the trend to rotate, but pass through
Compact heap compresses convex block, avoids convex block from rotating, therefore be avoided that logical machine crankshaft rotates, so that the precision of drilling is more
It is high.
Further, the two sides of the support column bottom are rotatably connected to ball.
The utility model has the advantages that ball rotates on cross bar and the wedge surface of mobile bar, so that support column and cross bar and mobile bar
Between sliding friction become rolling friction, reduce the abrasion of mounting post, mobile bar and cross bar.
Further, the sliding slot with ball engagement is equipped on the cross bar and the wedge surface of mobile bar.
The utility model has the advantages that setting sliding slot can limit ball, so that ball is slided along sliding slot, so that mobile
Position it is more accurate.
Further, gripping block is equipped on the opposite side in two vertical bar tops.
The utility model has the advantages that setting gripping block is enabled to raised clamping effect more preferably.
Further, the gripping block is rubber block, silica gel block or latex block.
The utility model has the advantages that the coefficient of friction of rubber block, silica gel block and latex block is larger, it is capable of increasing frictional force, so that folder
Tight better effect, while rubber block, silica gel block and latex block all have certain elastic deformation, can be avoided bionical just with protrusion
Property contact caused by protrusion it is impaired, therefore can be avoided the impaired of logical machine crankshaft.
Further, the top of the supporting block is equipped with arc groove.
The utility model has the advantages that arc groove can be used in placing the trunnion of logical machine crankshaft, avoiding logical machine crankshaft from shaking causes
Appearance the case where falling.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is B-B direction cross-sectional view in Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: mounting post 1, support column 11, supporting block 12, l-shaped rod 2, cross bar 21, erects
Bar 22, gripping block 23, U-shaped linker 3, slide plate 31, mobile bar 32, push rod 33, shaft 4, drill bit 41, fixed block 42, convex block
421, link block 43, groove 431, driving gear 5, driven gear 6, piston bucket 7, piston 71, piston rod 72, compact heap 73, lead
Pipe 8.
Embodiment is substantially as shown in Fig. 1:
Centre drill aperture apparatus, including rack and the workbench being fixed on the rack, workbench is equipped with about workbench
Symmetrical two support portions of plane, two clamping sections and two bore portions where longitudinal axis, two clamping sections are located at two
Between support portion, a boring sites in curing is in the left side of the support portion in left side, another boring sites in curing is in the right side of the support portion on right side
Side.
Now by taking the support portion in left side, clamping section and bore portion as an example, support portion includes that fixation is on the table and hollow
Mounting post 1, support column 11 is slidably connected in the cavity of mounting post 1, and the top of support column 11 is equipped with supporting block 12, supporting block 12
Upper surface be equipped with arc groove.Spring, the both ends point of spring are arranged on support column 11 between supporting block 12 and mounting post 1
It is not welded on 1 top of 12 bottom of supporting block and mounting post, the bottom of support column 11 is in wedge surface, and right end is higher than left end, support column
The left and right ends of 11 bottoms are rotatably connected to ball.
Clamping section includes l-shaped rod 2, and l-shaped rod 2 includes cross bar 21 and the vertical bar 22 for being fixed on 21 right end of cross bar, cross bar 21
Left end is the wedge surface parallel with 11 bottom surface of support column, and the wedge surface of cross bar 21 is additionally provided with the sliding slot with ball engagement；A left side for cross bar 21
Portion runs through the right side wall of mounting post 1 and is slidably connected with it, and the bottom of cross bar 21 is fixed with the cunning being slidably connected on the table
Motion block.The right end of vertical bar 22 is fixed with gripping block 23, and gripping block 23 is any one in rubber block, silica gel block or latex block,
The present embodiment uses rubber block；Spring is equipped between the vertical bar 22 of two clamping sections, the both ends of spring are respectively welded at two and erect
On bar 22.
Bore portion includes the U-shaped linker 3 positioned at 1 left side of mounting post, and U-shaped linker 3 is including two transverse tubes and positioned at two
A vertical tube between root transverse tube is slidingly sealed with slide plate 31 in transverse tube, is located between two pieces of slide plates 31 in U-shaped linker 3
It is marked with liquid.The mobile bar 32 positioned at 21 lower section of cross bar is fixed on 31 right side wall of slide plate of lower section, the right part of mobile bar 32 passes through
The left side wall of mounting post 1 is worn, and is slidably connected with 1 left side wall of mounting post.The right end of mobile bar 32 is wedge surface, and left end is higher than the right side
It holds, the sliding slot with ball engagement also is provided on 32 right side of mobile bar.
As shown in Fig. 2, bore portion further includes the fixed block 42 being slidably connected on the rack and the connection being fixed on the rack
Block 43, for link block 43 between fixed block 42 and mounting post 1, the top on the right side of fixed block 42 is equipped with convex block 421, link block
43 left side is equipped with the groove 431 cooperated with convex block 421, is fixed with the push rod to offset with fixed block 42 on the right side of the slide plate 31 on top
33。
Fixed block 42 is equipped with lateral threaded hole, and threaded hole internal screw thread is connected with shaft 4, and the right end of shaft 4 is fixed with
Drill bit 41.It is further fixed on motor in rack, driving gear 5 is fixed on the output shaft of motor, is rotatably connected in rack and master
The driven gear 6 that moving gear 5 engages, shaft 4 include thread segment, spline segment and the smooth section set gradually, the diameter of smooth section
Less than the diameter of the mounting hole of driven gear 6, drill bit 41 is mounted in smooth section, can be with the spline of 6 spline fitted of driven gear
Section；When shaft 4 moves right, spline segment gradually with 6 spline fitted of driven gear.
It is located at the top in the middle part of workbench in rack and is equipped with piston bucket 7, is sealed at the top of piston bucket 7, sliding connects in piston bucket 7
It is connected to piston 71, the bottom of piston 71 is fixed with the piston rod 72 of inverted T-shaped, as shown in figure 3, the left and right ends of 72 bottom of piston rod
It is respectively and fixedly provided with compact heap 73.The top of piston bucket 7 is connected to the lower part of mounting post 1 by conduit 8.
Specific implementation process is as follows:
Two trunnions of logical machine crankshaft are placed in the arc groove in supporting block 12, two support columns 11 are bent in logical machine
It is moved down under the gravity of axis, when the wedge surface of the ball of the wedge surface higher end of 11 bottom of support column and cross bar 21 contacts, with
Support column 11 move down, ball along on cross bar 21 sliding slot slide, so that cross bar 21 is squeezed, so that cross bar 21 skids off mounting post
1, and drive vertical bar 22 mobile.At this point, the vertical bar 22 on two clamping sections relatively moves, thus gradually by the protrusion of logical machine crankshaft
It clamps, realizes the fixation of logical machine crankshaft.
Support column 11 gradually squeezes the gas in the cavity of mounting post 1 during moving down, so that the gas of cavity lower part
It is discharged into 7 top of piston bucket by conduit 8, therefore is pressed down against piston 71, so that piston 71 drives piston rod 72 to move down, piston rod
Compact heap 73 on 72 is gradually contacted with the convex top of logical machine crankshaft, is realized and is compressed logical machine crankshaft downwards, and to convex block 421
It is limited, logical machine crankshaft is avoided to rotate.
After cross bar 21 skids off mounting post 1, then it is manually pressed down against logical machine crankshaft, so that support column 11 continues to move down, when
When the ball of the lower one end of wedge surface and the sliding slot on the wedge surface of mobile bar 32 of 11 bottom of support column contact, ball moves along bar
Sliding slot sliding on 32, and squeezes mobile bar 32, so that mobile bar 32 skids off mounting post 1, drives the slide plate 31 of lower part to separate
It slides in the direction of mounting post 1.
When the slide plate 31 of lower part is mobile, the liquid in U-shaped linker 3 is squeezed, so that liquid drives 31 He of slide plate on top
Push rod 33 is slided to the direction close to mounting post 1, to drive fixed block 42 to close to the movement of the direction of link block 43, works as support
When column 11 slides into the cavity bottom in mounting post 1, the convex block 421 on fixed block 42 is located just at the groove on link block 43
In 431, the fixation to fixed block 42 is realized.Drive shaft 4 and drill bit 41 to the master close to logical machine crankshaft when fixed block 42 slides
Axle journal end face direction is close, when the convex block 421 on fixed block 42 is located in the groove 431 on link block 43, the end of drill bit 41
Portion just offsets in the middle part of logical machine crankshaft trunnion end face, and the spline segment in shaft 4 is just matched with 6 spline of driven gear
It closes.
At this point, restarting motor, motor drives driving gear 5 to rotate, and is driven by driven gear 6 and realizes turning for shaft 4
Dynamic, since shaft 4 is threadedly coupled with fixed block 42, fixed block 42 is fixed, therefore when the rotation of shaft 4, will drive drill bit 41
Rotation, and it is mobile to close 1 direction of mounting post, to realize the end face drill centers in the trunnion of logical machine crankshaft.
For those skilled in the art, under the premise of not departing from technical solution of the present invention, if can also make
Dry modification and improvement, these also should be considered as protection scope of the present invention, these all will not influence this patent implementation effect and
Patent practicability.
Claims (7)
1. centre drill aperture apparatus, it is characterised in that: including rack and the workbench being arranged on the rack, symmetrically set on workbench
Support portion, two clamping sections and two bore portions there are two setting；Support portion includes being fixed in supporting table and in hollow peace
Column is filled, support column is slidably connected in mounting post, the bottom of support column is in wedge surface, is equipped with supporting block, supporting block at the top of support column
Spring is equipped between mounting post top；
Clamping section includes the l-shaped rod being made of cross bar and vertical bar, and cross bar runs through the side wall of mounting post and is slidably connected with it, horizontal
It is the wedge surface parallel with support column bottom that bar, which is located at the side in the cavity of mounting post,；And clamping section be respectively positioned on two support portions it
Between, spring is equipped between the vertical bar of two clamping sections；
Bore portion includes being fixed on the rack and being located at U-shaped communicating pipe of the mounting post far from l-shaped rod side, U-shaped communicating pipe packet
Two transverse tubes and a vertical tube are included, slide plate is slidingly sealed in transverse tube, is marked with liquid between two pieces of slide plates in U-shaped communicating pipe
Body；It is fixed on the slide plate of lower part through mounting post and the mobile bar that is connect with mounting post side walls, mobile bar is located at cross bar
Lower section, mobile bar be located at one end in the cavity of mounting post be the wedge surface opposite with support column bottom surface；
Bore portion further includes the fixed block connecting above mobile bar and with housing slide, and fixed block is equipped with threaded hole, spiral shell
Pit internal screw thread is connected with shaft, and shaft is fixed with drill bit close to one end of mounting post, the electricity of drive shaft is additionally provided in rack
Machine；Link block is equipped in rack between fixed block and mounting post, link block is equipped with groove, and fixed block is equipped with and groove
The convex block of cooperation；The slide plate on top is equipped with the mobile push rod of driving fixed block.
2. centre drill aperture apparatus according to claim 1, it is characterised in that: be located above workbench in the rack also
Equipped with the piston bucket that top seals, piston is slidably connected in piston bucket, piston base is fixed with the piston rod in inverted T-shaped, living
The both ends of stopper rod lower part are equipped with compact heap；The top of piston bucket is connected to the bottom of two mounting posts respectively by conduit.
3. centre drill aperture apparatus according to claim 2, it is characterised in that: the two sides of the support column bottom rotate
It is connected with ball.
4. centre drill aperture apparatus according to claim 3, it is characterised in that: on the cross bar and the wedge surface of mobile bar
Equipped with the sliding slot with ball engagement.
5. centre drill aperture apparatus according to claim 4, it is characterised in that: the opposite side in the two vertical bar top
On be equipped with gripping block.
6. centre drill aperture apparatus according to claim 5, it is characterised in that: the gripping block is rubber block, silica gel block
Or latex block.
7. centre drill aperture apparatus according to claim 6, it is characterised in that: the top of the supporting block is equipped with arc
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849880.8A CN108941675B (en) | 2018-07-28 | 2018-07-28 | Center hole drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849880.8A CN108941675B (en) | 2018-07-28 | 2018-07-28 | Center hole drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108941675A true CN108941675A (en) | 2018-12-07 |
| CN108941675B CN108941675B (en) | 2020-01-07 |
Family
ID=64466142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810849880.8A Active CN108941675B (en) | 2018-07-28 | 2018-07-28 | Center hole drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108941675B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305319A (en) * | 2021-06-18 | 2021-08-27 | 吴海 | Drilling machine convenient to drill holes on two sides of workpiece simultaneously |
| CN117300547A (en) * | 2023-11-15 | 2023-12-29 | 湖南新达力管业有限公司 | Pump pipe production and processing technology and processing equipment thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202707A (en) * | 1982-05-22 | 1983-11-26 | Kyodo Giken:Kk | Drilling device of spherical article |
| CN203330439U (en) * | 2013-06-25 | 2013-12-11 | 浙江创能机械有限公司 | Piston drilling machine |
| CN205997057U (en) * | 2016-08-09 | 2017-03-08 | 无锡尊宝电动车有限公司 | A kind of fast cutting machine of fixed speed |
| CN106624024A (en) * | 2016-12-25 | 2017-05-10 | 重庆市骞焰机械有限责任公司 | Drilling equipment for drilling center hole of motor shaft |
| CN108032114A (en) * | 2017-11-29 | 2018-05-15 | 宁波江北珂达汽车技术有限公司 | Auto parts and components process equipment |
-
2018
- 2018-07-28 CN CN201810849880.8A patent/CN108941675B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202707A (en) * | 1982-05-22 | 1983-11-26 | Kyodo Giken:Kk | Drilling device of spherical article |
| CN203330439U (en) * | 2013-06-25 | 2013-12-11 | 浙江创能机械有限公司 | Piston drilling machine |
| CN205997057U (en) * | 2016-08-09 | 2017-03-08 | 无锡尊宝电动车有限公司 | A kind of fast cutting machine of fixed speed |
| CN106624024A (en) * | 2016-12-25 | 2017-05-10 | 重庆市骞焰机械有限责任公司 | Drilling equipment for drilling center hole of motor shaft |
| CN108032114A (en) * | 2017-11-29 | 2018-05-15 | 宁波江北珂达汽车技术有限公司 | Auto parts and components process equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305319A (en) * | 2021-06-18 | 2021-08-27 | 吴海 | Drilling machine convenient to drill holes on two sides of workpiece simultaneously |
| CN117300547A (en) * | 2023-11-15 | 2023-12-29 | 湖南新达力管业有限公司 | Pump pipe production and processing technology and processing equipment thereof |
| CN117300547B (en) * | 2023-11-15 | 2024-05-28 | 湖南新达力管业有限公司 | Pump pipe production and processing technology and processing equipment thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108941675B (en) | 2020-01-07 |
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