CN213614256U - CNC machining, drilling and positioning die for center hole of automobile crankshaft - Google Patents
CNC machining, drilling and positioning die for center hole of automobile crankshaft Download PDFInfo
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- CN213614256U CN213614256U CN202022087230.XU CN202022087230U CN213614256U CN 213614256 U CN213614256 U CN 213614256U CN 202022087230 U CN202022087230 U CN 202022087230U CN 213614256 U CN213614256 U CN 213614256U
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- positioning die
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 238000003754 machining Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
The utility model discloses a car bent axle centre bore CNC processing drilling positioning die, including the positioning die base, the first support column of both sides top fixedly connected with of positioning die base, the back bottom fixedly connected with slide rail of first support column, the back top swing joint of slide rail has the support column slider, the back fixedly connected with electric telescopic handle of push pedal. This car bent axle centre bore CNC processing drilling positioning die is provided with locating plate and positioning die, place the work piece on the board is placed to the mould, later place the locating plate of board both sides through the mould and put into the locating hole, the locating plate carries out the clamp for the first time to the work piece, later make the push pedal motion through electric telescopic handle, thereby the push pedal drives the support column slider and removes, the top fixedly connected with second support column of support column slider, the positioning die who makes the second support column top carries out the clamp for the second time to the work piece, the effectual phenomenon of work piece emergence skew at the in-process of processing of having avoided.
Description
Technical Field
The utility model relates to a drilling positioning die technical field specifically is a car bent axle centre bore CNC processing drilling positioning die.
Background
The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, the crankshaft is subjected to the combined action of the centrifugal force of the rotating mass, the gas inertia force with periodic change and the reciprocating inertia force, so that the crankshaft bears the action of the bending and twisting load, therefore, the crankshaft is required to have enough strength and rigidity, the surface of the shaft journal needs to be wear-resistant, work is uniform, balance is good, for crankshaft machining, an important aspect which has to be mentioned is a central hole of a crankshaft, the central hole of the crankshaft is an important positioning reference in the crankshaft machining process and directly influences precision transmission of each link, and a common central hole machining mode of the crankshaft is to clamp and fix the crankshaft through a positioning clamp and drill through a numerical control machine tool, so that high requirements are provided for a clamping tool.
The existing clamping tool is difficult to guarantee the precision quality of processing hole sites, and can not carry out simultaneous clamping to the bent axle of different diameter length, and can not carry out the transposition removal, the processing of other direction hole sites of inconvenient bent axle, and the clamping step is loaded down with trivial details, the efficiency of processing production has been reduced, the multihead drilling of equipartition all adopts ordinary anchor clamps to press from both sides input shaft one processing after tight in the past, so, every hole that has bored just must readjust the input shaft in order to find next hole of treating processing, not only the drilling troublesome poeration, poor stability, machining efficiency is low, and the qualification rate of this process product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car bent axle centre bore CNC processing drilling positioning die to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a CNC machining, drilling and positioning die for automobile crankshaft center holes comprises a positioning die base, wherein first supporting columns are fixedly connected to the tops of the two sides of the positioning die base, a sliding rail is fixedly connected to the bottom of the back face of each first supporting column, a supporting column sliding block is movably connected to the top of the back face of the sliding rail, a pushing plate is fixedly connected to the back face of the supporting column sliding block, an electric telescopic rod is fixedly connected to the back face of the pushing plate, an electric telescopic rod base is fixedly connected to the back face of the electric telescopic rod, a second supporting column is fixedly connected to the top of the supporting column sliding block, a connecting block is fixedly connected to the front face of the middle of the second supporting column, a telescopic plate is movably connected to the front face of the connecting block, fastening bolts are in threaded connection with the two sides of, the positioning die is characterized in that a positioning hole is formed in the positioning die, a positioning plate is movably connected to the top of the positioning hole, a die placing plate is movably connected to the inner side of the positioning plate, and a workpiece is movably connected to the top of the die placing plate.
Preferably, a connecting rod is fixedly connected to the inside of the top of the first supporting column.
Preferably, the top back of the positioning die base is fixedly connected with a sliding rail.
Preferably, the top of the back of the sliding rail is fixedly connected with an electric telescopic rod base.
Preferably, the middle back of the first support column is fixedly connected with a connecting block, and a telescopic plate groove is formed in the connecting block.
Preferably, the inner side of the top of the second support column is fixedly connected with a positioning mold, and the positioning mold is movably connected with a positioning plate.
Preferably, the positioning die is internally provided with a die placing plate groove, and the die placing plate groove is movably connected with a die placing plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this car bent axle centre bore CNC processing drilling positioning die is provided with locating plate and positioning die, place the work piece on the board is placed to the mould, later place the locating plate of board both sides through the mould and put into the locating hole, the locating plate carries out the clamp for the first time to the work piece, later make the push pedal motion through electric telescopic handle, thereby the push pedal drives the support column slider and removes, the top fixedly connected with second support column of support column slider, the positioning die who makes the second support column top carries out the clamp for the second time to the work piece, the effectual phenomenon of work piece emergence skew at the in-process of processing of having avoided.
(2) This car bent axle centre bore CNC processing drilling positioning die is provided with the expansion plate, and the front of the expansion plate of positioning die bottom is connected with the connecting block through fastening bolt, and the back of expansion plate passes through fastening bolt to be connected with the connecting block, and the effectual dust of avoiding in the work piece course of working falls into the slide rail, if the expansion plate when will wasing, take off the expansion plate through fastening bolt can, the staff of being convenient for washs at any time.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1 positioning die base, 2 first support columns, 3 slide rails, 4 support column sliders, 5 push plates, 6 electric telescopic rods, 7 electric telescopic rod bases, 8 second support columns, 9 connecting blocks, 10 telescopic plates, 11 fastening bolts, 12 connecting rods, 13 positioning dies, 14 positioning holes, 15 positioning plates, 16 die placing plates and 17 workpieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a CNC machining, drilling and positioning die for a central hole of an automobile crankshaft comprises a positioning die base 1, a slide rail 3 is fixedly connected to the back of the top of the positioning die base 1, first supporting columns 2 are fixedly connected to the tops of two sides of the positioning die base 1, a connecting rod 12 is fixedly connected to the inside of the tops of the first supporting columns 2, a connecting block 9 is fixedly connected to the back of the middle of each first supporting column 2, a telescopic plate groove is formed in the connecting block 9, a slide rail 3 is fixedly connected to the bottom of the back of each first supporting column 2, an electric telescopic rod base 7 is fixedly connected to the top of the back of each slide rail 3, a supporting column sliding block 4 is movably connected to the top of the back of each slide rail 3, a push plate 5 is fixedly connected to the back of each supporting column sliding block 4, an electric telescopic rod 6 is fixedly connected to the back of each push plate, the inner side of the top of the second supporting column 8 is fixedly connected with a positioning die 13, the inner part of the positioning die 13 is movably connected with a positioning plate 15, the front part of the middle part of the second supporting column 8 is fixedly connected with a connecting block 9, the front part of the connecting block 9 is movably connected with an expansion plate 10, the front part of the expansion plate 10 at the bottom of the positioning die 13 is connected with the connecting block 9 through a fastening bolt 11, the back surface of the expansion plate 10 is connected with the connecting block 9 through the fastening bolt 11, dust in the processing process of a workpiece 17 is effectively prevented from falling into the sliding rail 3, if the expansion plate 10 needs to be cleaned, the expansion plate 10 is taken down through the fastening bolt 11, so that a worker can clean at any time conveniently, the two sides of the expansion plate 10 are in threaded connection with the fastening bolts 11, the top of the fastening bolts 11 is fixedly connected with a connecting rod, the inside swing joint that the board groove was placed to the mould has the mould to place board 16, place work piece 17 on the board 16 is placed to the mould, later place the locating plate 15 of board 16 both sides through the mould and put into locating hole 14, locating plate 15 carries out the first clamp to the work piece tightly, later make push pedal 5 motion through electric telescopic handle 6, thereby push pedal 5 drives support column slider 4 and removes, top fixedly connected with second support column 8 of support column slider 4, make the positioning die 13 at 8 tops of second support column carry out the second clamp to work piece 17, the effectual phenomenon of work piece 17 emergence skew at the in-process of processing of having avoided, locating hole 14 has been seted up to the inside of positioning die 13, the top swing joint of locating hole 14 has locating plate 15, the inboard swing joint of locating plate 15 has the mould to place board 16, the top swing joint that board 16 was placed.
The working principle is as follows: when the CNC drilling positioning die for the central hole of the automobile crankshaft is used, a workpiece 17 is placed on a die placing plate 16, then positioning plates 15 on two sides of the die placing plate 16 are placed in positioning holes 14, the positioning plates 15 clamp the workpiece for the first time, then a push plate 5 is moved through an electric telescopic rod 6, the push plate 5 drives a support column slider 4 to move, a second support column 8 is fixedly connected to the top of the support column slider 4, a positioning die 13 on the top of the second support column 8 clamps the workpiece 17 for the second time, the phenomenon that the workpiece 17 deviates in the processing process is effectively avoided, the front of an expansion plate 10 at the bottom of the positioning die 13 is connected with a connecting block 9 through a fastening bolt 11, the back of the expansion plate 10 is connected with the connecting block 9 through the fastening bolt 11, and dust in the processing process of the workpiece 17 is effectively prevented from falling into a slide rail, if the expansion plate 10 is to be cleaned, the expansion plate 10 can be taken down by fastening the bolt 11, and the device can complete the work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a car bent axle centre bore CNC processing drilling positioning die, includes positioning die base (1), its characterized in that: the positioning die comprises a positioning die base (1), wherein first supporting columns (2) are fixedly connected to the tops of the two sides of the positioning die base (1), a sliding rail (3) is fixedly connected to the bottom of the back of each first supporting column (2), a supporting column sliding block (4) is movably connected to the top of the back of the sliding rail (3), a push plate (5) is fixedly connected to the back of the supporting column sliding block (4), an electric telescopic rod (6) is fixedly connected to the back of the push plate (5), an electric telescopic rod base (7) is fixedly connected to the back of the electric telescopic rod (6), a second supporting column (8) is fixedly connected to the top of the supporting column sliding block (4), a connecting block (9) is fixedly connected to the front of the middle of the second supporting column (8), an expansion plate (10) is movably connected to the front of the connecting block, the connecting rod (12) is fixedly connected to the top of the fastening bolt (11), a positioning die (13) is fixedly connected to the inner side of the connecting rod (12), a positioning hole (14) is formed in the positioning die (13), a positioning plate (15) is movably connected to the top of the positioning hole (14), a die placing plate (16) is movably connected to the inner side of the positioning plate (15), and a workpiece (17) is movably connected to the top of the die placing plate (16).
2. The CNC machining, drilling and positioning die for the central hole of the automobile crankshaft as claimed in claim 1, is characterized in that: the top of the first support column (2) is fixedly connected with a connecting rod (12).
3. The CNC machining, drilling and positioning die for the central hole of the automobile crankshaft as claimed in claim 1, is characterized in that: the top back of the positioning die base (1) is fixedly connected with a sliding rail (3).
4. The CNC machining, drilling and positioning die for the central hole of the automobile crankshaft as claimed in claim 1, is characterized in that: the top of the back of the sliding rail (3) is fixedly connected with an electric telescopic rod base (7).
5. The CNC machining, drilling and positioning die for the central hole of the automobile crankshaft as claimed in claim 1, is characterized in that: the middle back fixedly connected with connecting block (9) of first support column (2), the expansion plate groove has been seted up to the inside of connecting block (9).
6. The CNC machining, drilling and positioning die for the central hole of the automobile crankshaft as claimed in claim 1, is characterized in that: the inner side of the top of the second supporting column (8) is fixedly connected with a positioning die (13), and the positioning die (13) is movably connected with a positioning plate (15).
7. The CNC machining, drilling and positioning die for the central hole of the automobile crankshaft as claimed in claim 1, is characterized in that: the inside of positioning die (13) is provided with a die placing plate groove, and the inside of the die placing plate groove is movably connected with a die placing plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022087230.XU CN213614256U (en) | 2020-09-21 | 2020-09-21 | CNC machining, drilling and positioning die for center hole of automobile crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022087230.XU CN213614256U (en) | 2020-09-21 | 2020-09-21 | CNC machining, drilling and positioning die for center hole of automobile crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213614256U true CN213614256U (en) | 2021-07-06 |
Family
ID=76652627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022087230.XU Expired - Fee Related CN213614256U (en) | 2020-09-21 | 2020-09-21 | CNC machining, drilling and positioning die for center hole of automobile crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213614256U (en) |
-
2020
- 2020-09-21 CN CN202022087230.XU patent/CN213614256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A drilling and positioning die for CNC machining of central hole of automobile crankshaft Effective date of registration: 20220216 Granted publication date: 20210706 Pledgee: China Construction Bank Corporation Yangzhou new area sub branch Pledgor: YANGZHOU AOTU MOULD Co.,Ltd. Registration number: Y2022980001583 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |