CN213411184U - Milling device for machining connecting rod - Google Patents
Milling device for machining connecting rod Download PDFInfo
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- CN213411184U CN213411184U CN202022289750.9U CN202022289750U CN213411184U CN 213411184 U CN213411184 U CN 213411184U CN 202022289750 U CN202022289750 U CN 202022289750U CN 213411184 U CN213411184 U CN 213411184U
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- connecting rod
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- abutting part
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Abstract
The utility model provides a milling device for connecting rod processing, the purpose is solved the technical problem that current milling device machining efficiency is low. The adopted technical scheme is as follows: a milling device for machining a connecting rod comprises a first chuck and a second chuck which are arranged on the upper surface of a chassis; the first chuck is a three-jaw chuck and is used for clamping the big end of the connecting rod; the second chuck is a three-jaw chuck and is used for clamping the small end of the connecting rod; a washing and cutting mechanism is arranged above the chassis; the upper surface of a first clamping jaw of the first chuck is provided with a first abutting part, the outer end of the first abutting part is used for abutting against the inner periphery of the large end of the connecting rod, and the inner end of the first abutting part is used for abutting against the outer periphery of the large end of the connecting rod; the upper surface of a second clamping jaw of the second chuck is provided with a second abutting part; the outer end of the second abutting part is used for abutting against the inner periphery of the small end of the connecting rod, and the inner end of the second abutting part is used for abutting against the outer periphery of the small end of the connecting rod.
Description
Technical Field
The utility model relates to a connecting rod production and processing equipment technical field, concretely relates to a milling unit for connecting rod processing.
Background
Connecting rods are a widely used mechanical component. It mainly comprises three parts: the piston rod comprises a small head connected with a piston pin, a large head connected with a crankshaft, and a rod body connecting the small head and the large head.
After the connecting rod blank is obtained through forging, the surface of the connecting rod blank needs to be subjected to washing and cutting processing. When the connecting rod is subjected to washing and cutting processing, the connecting rod is usually clamped for many times so as to finish washing and cutting different parts of the surface. The existing connecting rod washing and cutting device can not realize quick clamping and quick positioning of the connecting rod, which is not beneficial to the improvement of the processing efficiency and the production benefit.
Disclosure of Invention
An object of the utility model is to provide a milling device for connecting rod processing, it can carry out quick clamping and quick location to the connecting rod to the improvement carries out the efficiency of washing and cutting processing to the connecting rod.
In order to achieve the above object, the utility model adopts the following technical scheme:
a milling device for connecting rod machining, comprising:
a chassis;
the first chuck is a three-jaw chuck, is arranged on the upper surface of the chassis and is used for clamping the connecting rod big head;
the second chuck is a three-jaw chuck, is arranged on the upper surface of the chassis and is used for clamping the small end of the connecting rod;
the washing and cutting mechanism is positioned above the chassis and is used for milling the connecting rod;
the upper surface of a first clamping jaw of the first chuck is provided with a first abutting part, the outer end of the first abutting part is used for abutting against the inner periphery of a large end of a connecting rod, and the inner end of the first abutting part is used for abutting against the outer periphery of the large end of the connecting rod;
the upper surface of a second clamping jaw of the second chuck is provided with a second abutting part; the outer end of the second abutting part is used for abutting against the inner periphery of the small end of the connecting rod, and the inner end of the second abutting part is used for abutting against the outer periphery of the small end of the connecting rod.
Optionally, the washing and cutting mechanism includes a milling cutter, a servo motor for driving the milling cutter, a first lead screw for driving the servo motor to move in the front-back direction, a second lead screw for driving the first lead screw to move in the left-right direction, and a third lead screw for driving the second lead screw to move in the up-down direction.
Optionally, the inner end and the outer end of the first clamping jaw on the upper surface of the first clamping jaw at the first abutting portion are respectively provided with a first step for supporting the big end of the connecting rod, and the upper surface of the first step forms a reference surface; the width of the first step in the radial direction of the large end of the connecting rod is smaller than the radial thickness of the large end of the connecting rod.
Optionally, the inner end and the outer end of the second abutting portion of the upper surface of the second jaw are respectively provided with a second step for supporting the small end of the connecting rod, and the upper surface of the second step forms a reference surface; the radial width of the second step at the small end of the connecting rod is smaller than the radial thickness of the small end of the connecting rod.
Optionally, the chassis is mounted on the upper surface of the workbench through a slewing bearing; the workbench is provided with a processing station and an operating station, and the milling mechanism is positioned at the processing station; the upper surface on chassis sets up the station that is used for installing first chuck and second chuck, the chassis rotates, drives the station and passes through in proper order and stops adding station and operation position around the axle center under step motor's drive.
Optionally, a plurality of stations are arranged and uniformly distributed around the axis of the chassis; each station is provided with the first chuck and the second chuck which are matched with each other.
Optionally, the inner ring of the slewing bearing is fixedly connected with the workbench, and the outer ring of the slewing bearing is fixedly connected with the chassis; the outer ring of the slewing bearing is provided with an outer circumferential tooth surface and is meshed with a gear driven by a stepping motor.
The utility model discloses a theory of operation does: the big end of the connecting rod is horizontally placed on the upper surface of the first clamping jaw, and the small end of the connecting rod is horizontally placed on the upper surface of the second clamping jaw; adjusting the position of the first clamping jaw to ensure that the first abutting part abuts against the inner periphery of the large end of the connecting rod; adjusting the position of the second clamping jaw to enable the second abutting part to abut against the inner periphery of the small end of the connecting rod; therefore, the milling mechanism can be used for milling the upper surface of the connecting rod, the peripheral surface of the large end of the connecting rod and the peripheral surface of the small end of the connecting rod. Turning over the connecting rod, wherein the periphery of the large end of the connecting rod is tightly propped through the first propping part, and the periphery of the small end of the connecting rod is tightly propped through the second propping part; therefore, the other surface of the connecting rod, the inner peripheral surface of the large head of the connecting rod and the inner peripheral surface of the small head of the connecting rod can be milled by the milling mechanism.
Therefore, the utility model has the advantages that: the self-centering function of the three-jaw chuck is utilized, and the quick centering positioning and the quick clamping of the large end and the small end of the connecting rod are realized. The connecting rod can be fixed through the periphery of tightly abutting the large end of the connecting rod and the small end of the connecting rod, the connecting rod can also be fixed through the inner periphery of tightly abutting the large end of the connecting rod and the small end of the connecting rod, milling of the connecting rod can be completed through one-time turning and two-time clamping, the connecting rod milling machine is convenient and fast, and machining efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the first chuck and the second chuck abutting against the outer circumference of the large end and the small end of the connecting rod;
FIG. 3 is a schematic diagram of the first chuck and the second chuck abutting against the inner circumference of the large end and the small end of the connecting rod;
FIG. 4 is a schematic structural view of the first jaw;
FIG. 5 is a schematic structural view of a second jaw;
reference numerals: 1. a chassis; 2. a first chuck; 3. a second chuck; 4. a first jaw; 5. a first abutting portion; 6. a second jaw; 7. a second abutting part; 8. milling cutters; 9. a servo motor; 10. a first lead screw; 11. a second lead screw; 12. a third lead screw; 13. a first step; 14. a second step; 15. a slewing bearing; 16. a work table; 17. a gear.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 5.
The embodiment of the utility model provides a milling device for connecting rod processing, this milling device includes:
a chassis 1.
The first chuck 2, which is a three-jaw chuck, is installed on the upper surface of the chassis 1 and is used for clamping the big end of the connecting rod.
The second chuck 3 is a three-jaw chuck, is arranged on the upper surface of the chassis 1 and is used for clamping the small end of the connecting rod; it will be appreciated that the first chuck 2 is located at a distance from the second chuck 3 by an axial distance equal to the distance between the major and minor rod heads. The first chuck 2 and the second chuck 3 may be a manual chuck, a pneumatic chuck or an electric chuck.
And the washing and cutting mechanism is positioned above the chassis 1 and is used for milling the connecting rod.
The upper surface of the first clamping jaw 4 of the first chuck 2 is provided with a first abutting part 5, the outer end of the first abutting part 5 is used for abutting against the inner periphery of the large end of the connecting rod, and the inner end of the first abutting part 5 is used for abutting against the outer periphery of the large end of the connecting rod. It should be understood that the outer end of the first resisting portion 5 refers to the end thereof facing the outer circle of the first chuck 2, and the inner end of the first resisting portion 5 refers to the end thereof facing the inner circle of the first chuck 2. In addition, a first tip for abutting against the inner periphery of the big end of the connecting rod can be arranged at one outward end of the first abutting part 5;
the upper surfaces of the second claws 6 of the second chuck 3 are provided with second abutting parts 7; the outer end of the second abutting part 7 is used for abutting against the inner periphery of the small end of the connecting rod, and the inner end of the second abutting part is used for abutting against the outer periphery of the small end of the connecting rod. It should be understood that the outer end of the second resisting portion 7 refers to the end thereof facing the outer circle of the second chuck 3, and the inner end of the second resisting portion 7 refers to the end thereof facing the inner circle of the second chuck 3. In addition, a second tip for tightly abutting against the inner periphery of the small end of the connecting rod can be arranged at the outward end of the second abutting part 7.
The following explains the embodiment of the present invention, the big end of the connecting rod is placed on the upper surface of the first jaw 4, and the small end of the connecting rod is placed on the upper surface of the second jaw 6; adjusting the position of the first clamping jaw 4 to ensure that the first abutting part 5 abuts against the inner periphery of the large end of the connecting rod; the position of the second clamping jaw 6 is adjusted to ensure that the second abutting part 7 abuts against the inner periphery of the small end of the connecting rod; therefore, the milling mechanism can be used for milling the upper surface of the connecting rod, the peripheral surface of the large end of the connecting rod and the peripheral surface of the small end of the connecting rod. Turning over the connecting rod, wherein the periphery of the large end of the connecting rod is tightly propped by the first propping part 5, and the periphery of the small end of the connecting rod is tightly propped by the second propping part 7; therefore, the other surface of the connecting rod, the inner peripheral surface of the large head of the connecting rod and the inner peripheral surface of the small head of the connecting rod can be milled by the milling mechanism. The utility model discloses utilized three-jaw chuck from the centering function, realized quick centering location and quick clamping to the connecting rod major part with the connecting rod microcephaly. The connecting rod can be fixed through the periphery of tightly abutting the large end of the connecting rod and the small end of the connecting rod, the connecting rod can also be fixed through the inner periphery of tightly abutting the large end of the connecting rod and the small end of the connecting rod, milling of the connecting rod can be completed through one-time turning and two-time clamping, the connecting rod milling machine is convenient and fast, and machining efficiency is improved.
In one embodiment of the present application, the washing and cutting mechanism includes a milling cutter 8, a servo motor 9 for driving the milling cutter 8, a first lead screw 10 for driving the servo motor 9 to move in the front-back direction, a second lead screw 11 for driving the first lead screw 10 to move in the left-right direction, and a third lead screw 12 for driving the second lead screw 11 to move in the up-down direction.
In one embodiment given in the present application, the upper surface of the first jaw 4 is respectively provided with a first step 13 which forms a support for the big end of the connecting rod at the inner end and the outer end of the first abutting portion 5, and the upper surface of the first step 13 forms a reference surface; the width of the first step 13 in the radial direction of the big end of the connecting rod is smaller than the radial thickness of the big end of the connecting rod. It should be understood that, when the inner end of the first abutting portion 5 abuts against the outer periphery of the large end of the connecting rod, the inner peripheral surface of the large end of the connecting rod is extended from the first step 13 at the inner end of the first abutting portion 5; when the outer end of the first abutting part 5 abuts against the inner circumference of the big end of the connecting rod, the outer circumference of the big end of the connecting rod is extended from the first step 13 at the outer end of the first abutting part 5; therefore, the milling mechanism can mill the inner circumferential surface and the outer circumferential surface of the big end of the connecting rod conveniently.
In one embodiment provided by the present application, the upper surface of the second jaw 6 is provided with a second step 14 at the inner end and the outer end of the second fastening portion 7, respectively, for supporting the small end of the connecting rod, and the upper surface of the second step 14 forms a reference surface; the width of the second step 14 in the radial direction of the small end of the connecting rod is smaller than the radial thickness of the small end of the connecting rod. It should be understood that when the inner end of the second abutting portion 7 abuts against the outer periphery of the small end of the connecting rod, the inner peripheral surface of the small end of the connecting rod extends out from the second step 14 at the inner end of the second abutting portion 7; when the outer end of the second abutting part 7 abuts against the inner circumference of the small end of the connecting rod, the outer circumference of the small end of the connecting rod extends out from the second step 14 at the outer end of the second abutting part 7; therefore, the milling mechanism can mill the inner circumferential surface and the outer circumferential surface of the small end of the connecting rod conveniently.
In one embodiment presented herein, the chassis 1 is mounted on the upper surface of a table 16 by a slewing bearing 15; the workbench 16 is provided with a processing position and an operating position, and the milling mechanism is positioned at the processing position; the upper surface of chassis 1 sets up the station that is used for installing first chuck 2 and second chuck 3, chassis 1 rotates, drives the station and passes through in proper order and stops adding station and operation position around the axle center under step motor's drive. It should be understood that when the station of the chassis 1 is rotated to the operating position, the operator can disassemble and assemble the connecting rod; when the station of the chassis 1 rotates to the processing station, the milling mechanism can mill the connecting rod; the connecting rod is disassembled and milled at the operation position and the machining position respectively, so that the safety is higher.
In one embodiment provided by the application, the stations are arranged in plurality and are uniformly distributed around the axis of the chassis 1; each station is provided with one first chuck 2 and one second chuck 3 which are matched with each other. It should be understood that through setting up a plurality of stations, when milling mechanism mills the processing to the connecting rod that stops in the station, operating personnel can carry out the dismouting to the connecting rod that stops in the operation position, mill and dismouting and can go on simultaneously, need not to stop milling because of the dismouting, improved machining efficiency.
In one embodiment presented in the present application, the inner ring of the slewing bearing 15 is fixedly connected with the workbench 16, and the outer ring is fixedly connected with the chassis 1; the outer ring of the slewing bearing 15 is provided with an outer circumferential tooth surface and is meshed with a gear 17 driven by a stepping motor.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.
Claims (7)
1. A milling device for connecting rod machining, characterized by comprising:
a chassis (1);
the first chuck (2) is a three-jaw chuck, is arranged on the upper surface of the chassis (1) and is used for clamping a connecting rod big head;
the second chuck (3) is a three-jaw chuck, is arranged on the upper surface of the chassis (1) and is used for clamping the small end of the connecting rod;
the milling mechanism is positioned above the chassis (1) and is used for milling the connecting rod;
the upper surface of a first clamping jaw (4) of the first chuck (2) is provided with a first abutting part (5), the outer end of the first abutting part (5) is used for abutting against the inner periphery of the large end of the connecting rod, and the inner end of the first abutting part (5) is used for abutting against the outer periphery of the large end of the connecting rod;
the upper surface of a second claw (6) of the second chuck (3) is provided with a second abutting part (7); the outer end of the second abutting part (7) is used for abutting against the inner periphery of the small end of the connecting rod, and the inner end of the second abutting part is used for abutting against the outer periphery of the small end of the connecting rod.
2. The milling device for connecting rod machining according to claim 1, characterized in that: the milling mechanism comprises a milling cutter (8), a servo motor (9) for driving the milling cutter (8), a first lead screw (10) for driving the servo motor (9) to move towards the front and back direction, a second lead screw (11) for driving the first lead screw (10) to move towards the left and right direction, and a third lead screw (12) for driving the second lead screw (11) to move towards the up and down direction.
3. The milling device for connecting rod machining according to claim 2, characterized in that: the upper surface of the first clamping jaw (4) is respectively provided with a first step (13) which supports the big end of the connecting rod at the inner end and the outer end of the first abutting part (5), and the upper surface of the first step (13) forms a reference surface; the width of the first step (13) in the radial direction of the big end of the connecting rod is smaller than the radial thickness of the big end of the connecting rod.
4. The milling device for connecting rod machining according to claim 3, characterized in that: the upper surface of the second clamping jaw (6) is respectively provided with a second step (14) for supporting the small end of the connecting rod at the inner end and the outer end of the second abutting part (7), and the upper surface of the second step (14) forms a reference surface; the width of the second step (14) in the radial direction of the small end of the connecting rod is smaller than the radial thickness of the small end of the connecting rod.
5. The milling device for connecting rod machining according to any one of claims 1 to 4, characterized in that: the chassis (1) is arranged on the upper surface of the workbench (16) through a slewing bearing (15); the workbench (16) is provided with a processing station and an operating station, and the milling mechanism is positioned at the processing station; the upper surface of chassis (1) sets up the station that is used for installing first chuck (2) and second chuck (3), chassis (1) rotates, drives the station and passes through in proper order and stops processing station and operation position around the axle center under step motor's drive.
6. The milling device for connecting rod machining according to claim 5, characterized in that: the stations are arranged in a plurality and are uniformly distributed around the axis of the chassis (1); each station is provided with one first chuck (2) and one second chuck (3) which are matched with each other.
7. The milling device for connecting rod machining according to claim 5, characterized in that: the inner ring of the slewing bearing (15) is fixedly connected with the workbench (16), and the outer ring of the slewing bearing is fixedly connected with the chassis (1); the outer ring of the slewing bearing (15) is provided with an outer circumferential tooth surface and is meshed with a gear (17) driven by a stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022289750.9U CN213411184U (en) | 2020-10-15 | 2020-10-15 | Milling device for machining connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022289750.9U CN213411184U (en) | 2020-10-15 | 2020-10-15 | Milling device for machining connecting rod |
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| Publication Number | Publication Date |
|---|---|
| CN213411184U true CN213411184U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022289750.9U Active CN213411184U (en) | 2020-10-15 | 2020-10-15 | Milling device for machining connecting rod |
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| Country | Link |
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| CN (1) | CN213411184U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131376A (en) * | 2021-12-21 | 2022-03-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for multi-process integrated machining of connecting rod |
| CN114131376B (en) * | 2021-12-21 | 2024-06-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for connecting rod multi-station integrated machining |
-
2020
- 2020-10-15 CN CN202022289750.9U patent/CN213411184U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131376A (en) * | 2021-12-21 | 2022-03-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for multi-process integrated machining of connecting rod |
| CN114131376B (en) * | 2021-12-21 | 2024-06-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for connecting rod multi-station integrated machining |
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