CN220761684U - Fixed base for cylinder barrel size machining - Google Patents

Fixed base for cylinder barrel size machining Download PDF

Info

Publication number
CN220761684U
CN220761684U CN202322359141.XU CN202322359141U CN220761684U CN 220761684 U CN220761684 U CN 220761684U CN 202322359141 U CN202322359141 U CN 202322359141U CN 220761684 U CN220761684 U CN 220761684U
Authority
CN
China
Prior art keywords
workpiece
base
bolt
fixed
connecting base
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.)
Active
Application number
CN202322359141.XU
Other languages
Chinese (zh)
Inventor
王景
马海刚
杨望
时沛
李福娟
李炎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Eastern Aviation Technology Co ltd
China Eastern Technology Application R & D Center Co ltd
Original Assignee
China Eastern Aviation Technology Co ltd
China Eastern Technology Application R & D Center Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Eastern Aviation Technology Co ltd, China Eastern Technology Application R & D Center Co ltd filed Critical China Eastern Aviation Technology Co ltd
Priority to CN202322359141.XU priority Critical patent/CN220761684U/en
Application granted granted Critical
Publication of CN220761684U publication Critical patent/CN220761684U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Jigs For Machine Tools (AREA)

Abstract

The utility model belongs to the field of workpiece maintenance, in particular relates to a fixed base for cylinder barrel size machining, and aims to solve the problems that in the prior art, a fixture of a milling machine damages a workpiece, machining precision is low, repair requirements are not met, and machining efficiency is low. The utility model comprises the following steps: the device comprises a connecting base, a first support, a first threaded hole, a bolt and a pressing cushion block, wherein the pressing cushion block is abutted against a workpiece by rotating the bolt, so that the workpiece is fixed with the device, and the device is clamped by a chuck of a milling machine. According to the utility model, the chuck is replaced by the bolt connection mode for extrusion and fixation, so that the clamping force of the workpiece is improved, and the possibility and degree of deformation of the workpiece are reduced. The flatness and perpendicularity reference of the positioning are ensured by adopting a mode of jointing the positioning pin and the positioning table between the device and the workpiece. The vertical machining center has good compatibility, improves the machining efficiency, reduces the working time and reduces the workload of workers.

Description

Fixed base for cylinder barrel size machining
Technical Field
The utility model belongs to the field of workpiece maintenance, and particularly relates to a fixed base for cylinder barrel size machining.
Background
When a conventional milling machine processes a workpiece, the workpiece is clamped by using a common flat chuck and fixed on a vertical machining center. After the reference is adjusted, the inner hole of the workpiece is processed, repaired and recovered in size. The traditional processing mode has the following defects: 1. the chuck type clamping directly extrudes the outer circle surface of the workpiece, so that the deformation damage to the workpiece is large; 2. the accuracy of the chuck type positioning reference is not high, the line tolerance size is difficult to realize, and the repair requirement cannot be met; 3. the machining efficiency is low, and repeated reference adjustment causes time waste.
The utility model provides the fixed base for cylinder barrel size machining, which does not damage a workpiece and improves machining efficiency and machining precision.
Disclosure of Invention
In order to solve the problems in the prior art, namely the problems that a fixture of a milling machine in the prior art damages a workpiece, has low machining precision and cannot meet repair requirements and has low machining efficiency, the utility model provides a fixed base for machining a cylinder barrel size, which comprises the following components: the device comprises a connecting base, a first support, a first threaded hole, a compression bolt and a compression cushion block;
the connecting base is used for being clamped by the chuck, the connecting base is connected with the first support, the first support can penetrate through an inner through hole of a workpiece, a first threaded hole is formed in the end face, far away from the connecting base, of the first support, the first threaded hole is connected with the compression bolt, the compression bolt is fixed with the compression cushion block, and the compression cushion block can be in lap joint with the upper surface of the workpiece.
In some preferred embodiments, the compression bolt is a socket head cap bolt.
In some preferred embodiments, the connection base and the first support are connected in the following relationship: the connecting base is fixed with the positioning table, the positioning table is overlapped with the workpiece, a plurality of positioning pins are uniformly fixed on the positioning table, the positioning pins can be configured in the outer through holes of the workpiece, and the positioning table is fixed with the first support column.
In some preferred embodiments, the means for the connection base to be held by the chuck are:
the second threaded hole is formed in the connecting base and can be in threaded connection with the clamping bolt, and the clamping bolt is used for being clamped by the chuck.
In some preferred embodiments, the second threaded holes are symmetrically arranged in two groups along the center of the connection base.
In some preferred embodiments, the diameter of the annular ring of the upper surface of the hold-down pad is greater than the diameter of the inner through hole of the workpiece.
The utility model has the beneficial effects that:
the chuck is replaced by a bolt connection mode for extrusion and fixation, the contact position is changed, the contact stressed area is increased, the workpiece clamping force is improved, and the possibility and degree of workpiece deformation are reduced.
The flatness and perpendicularity reference of the positioning are ensured by adopting a mode of jointing the positioning pin and the positioning table between the device and the workpiece.
The vertical machining center has good compatibility, can simultaneously machine a plurality of different parts through line control and programming design within the space tolerance of the workbench surface, is very suitable for the machining requirements of a flexible production system on multiple varieties of small-batch products, improves the machining efficiency, reduces the working time and reduces the workload of workers.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is an isometric view of a fixed base-mounted workpiece for cylinder sizing;
FIG. 2 is an isometric view of a stationary base for sizing a cylinder;
FIG. 3 is a front view of a stationary base assembly for cylinder sizing work pieces;
fig. 4 is a cross-sectional view of fig. 3.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, the present utility model provides a fixing base for machining a cylinder barrel, comprising: the device comprises a connecting base 1, a first support column 2, a first threaded hole 3, a compression bolt 4 and a compression cushion block 5;
the connecting base 1 is used for being clamped by a chuck, the connecting base 1 is connected with the first support column 2, the first support column 2 can penetrate through an inner through hole of a workpiece 6, a first threaded hole 3 is formed in the end face, away from the connecting base 1, of the first support column 2, the first threaded hole 3 is connected with the compression bolt 4, the compression bolt 4 is fixed with the compression cushion block 5, the compression cushion block 5 can move along the length direction of the outer circumferential surface of the first support column 2, and the compression cushion block 5 can be lapped with the upper surface of the workpiece 6.
Preferably, referring to fig. 1, the compression bolt 4 is a socket head cap bolt.
Preferably, referring to fig. 2 and 3, the connection relationship between the connection base 1 and the first pillar 2 is: the connecting base 1 is fixed with the positioning table 7, the positioning table 7 is overlapped with the workpiece 6, a plurality of positioning pins 8 are uniformly fixed on the positioning table 7, the positioning pins 8 are configured in the outer through holes of the workpiece 6, and the positioning table 7 is fixed with the first support column 2.
Preferably, referring to fig. 1 and 2, the means for clamping the connection base 1 by the chuck are:
the second threaded hole 9 is formed in the connecting base 1, the second threaded hole 9 can be in threaded connection with a clamping bolt, and the clamping bolt is used for being clamped by the chuck.
Preferably, referring to fig. 2, the second threaded holes 9 are symmetrically arranged in two groups along the center of the connection base 1.
Preferably, referring to fig. 4, the diameter of the ring of the upper surface of the pressing pad 5 is larger than the diameter of the inner through hole of the workpiece 6.
According to the utility model, the workpiece 6 can be limited by the above-mentioned structure, and when the pressing cushion block 5 moves along the length direction of the inner through hole of the workpiece 6, the workpiece 6 is pressed by the circular ring on the pressing cushion block 5.
During use, the circle center of the pressing cushion block 5 coincides with the circle center of the workpiece 6.
The clamping bolt is rotationally connected to the connecting base 1 through the second threaded hole 9 when in use, is fixed to the connecting base 1 and clamped by the chuck, and is fixed to the connecting base 1, and the clamping bolt is of the prior art and is not described in detail.
When the clamping device is used, firstly, the compression bolt 4 is rotated, the compression bolt 4 and the compression cushion block 5 are taken down, then the workpiece 6 is placed on the positioning table 7, the position of the workpiece 6 is adjusted, the positioning pin 8 is configured in the outer through hole of the workpiece 6, the first support column 2 passes through the inner through hole of the workpiece 6, at the moment, the compression bolt 4 is butted with the first threaded hole 3, the compression bolt 4 is rotated, the compression bolt 4 drives the compression cushion block 5 to be overlapped with the protruding part at the upper end of the workpiece 6 until the workpiece 6 is abutted against the positioning table 7, so that the workpiece 6 is prevented from being directly clamped by a chuck, the damage of the outer surface of the workpiece 6 is prevented, the chuck is replaced by adopting a bolt connection mode to be extruded and fixed, the contact part is changed, the contact stress area is increased, the workpiece clamping force is improved, and the possibility and degree of workpiece deformation are reduced;
the device and the workpiece 6 adopt a mode of attaching the positioning pin 8 and the positioning table 7 to ensure the flatness and verticality reference of positioning; the adjustable margin range is widened, and stress points are more uniformly distributed; in addition, the manufacturing precision of 0.0004 inch of the 3-shaft vertical machining center solves the defects that the chuck positioning reference adjustment margin is small and the line tolerance is difficult to guarantee, and the quality requirement of high-precision dimension repair of the cylinder barrel is easier to realize.
The vertical machining center has good compatibility, can simultaneously machine a plurality of different parts through line control and programming design within the space tolerance of the workbench surface, and is very suitable for the machining requirements of a flexible production system on multiple varieties of small-batch products. The key is that the limited working table surface is fully utilized, the time for switching and adjusting the tool is reduced, and the single machine operation efficiency can be quickly and effectively improved. The device has the size of only 1/4 of the original chuck, saves 1/3 of the effective space of the workbench, well solves the problem of multi-working-station parallel construction of the FMS, reduces the beat time of 4 hours/week and lightens the workload of operators.
The terms "first," "second," and the like, are used for distinguishing between similar objects and not for describing a particular sequential or chronological order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will be within the scope of the present utility model.

Claims (6)

1. A unable adjustment base that cylinder size processing was used, its characterized in that: the device comprises a connecting base (1), a first support (2), a first threaded hole (3), a compression bolt (4) and a compression cushion block (5);
the connecting base (1) is used for being clamped by a chuck, the connecting base (1) is connected with the first support column (2), the first support column (2) can penetrate through an inner through hole of a workpiece (6), a first threaded hole (3) is formed in the end face, far away from the connecting base (1), of the first support column (2), the first threaded hole (3) is in threaded connection with the compression bolt (4), the compression bolt (4) is fixed with the compression cushion block (5), and the compression cushion block (5) can be in lap joint with the upper surface of the workpiece (6).
2. The stationary base for sizing a cylinder as set forth in claim 1, wherein: the compression bolt (4) is an inner hexagon bolt.
3. A fixed base for sizing a cylinder according to claim 2, characterized in that the connection relationship between the connection base (1) and the first support (2) is: the connecting base (1) is fixed with the positioning table (7), the positioning table (7) is in lap joint with the workpiece (6), a plurality of positioning pins (8) are uniformly fixed on the positioning table (7), the positioning pins (8) can be configured in an outer through hole of the workpiece (6), and the positioning table (7) is fixed with the first support column (2).
4. A fixed base for sizing a cylinder according to claim 2, characterized in that the means for clamping by the chuck of the connecting base (1) are:
the connecting base (1) is provided with a second threaded hole (9), the second threaded hole (9) can be in threaded connection with a clamping bolt, and the clamping bolt is used for being clamped by the chuck.
5. The stationary base for sizing a cylinder as set forth in claim 4, wherein: the second threaded holes (9) are symmetrically arranged in two groups along the center of the connecting base (1).
6. The stationary base for sizing a cylinder as set forth in claim 5, wherein: the diameter of the circular ring on the upper surface of the pressing cushion block (5) is larger than the diameter of the inner through hole of the workpiece (6).
CN202322359141.XU 2023-08-31 2023-08-31 Fixed base for cylinder barrel size machining Active CN220761684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322359141.XU CN220761684U (en) 2023-08-31 2023-08-31 Fixed base for cylinder barrel size machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322359141.XU CN220761684U (en) 2023-08-31 2023-08-31 Fixed base for cylinder barrel size machining

Publications (1)

Publication Number Publication Date
CN220761684U true CN220761684U (en) 2024-04-12

Family

ID=90617992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322359141.XU Active CN220761684U (en) 2023-08-31 2023-08-31 Fixed base for cylinder barrel size machining

Country Status (1)

Country Link
CN (1) CN220761684U (en)

Similar Documents

Publication Publication Date Title
CN104175149A (en) Shaft product clamping device and method
CN105345495A (en) Pressing plate type floating clamp
CN108176873B (en) Sewing machine rotating shuttle table processing device and processing technology
CN102294611A (en) Clamp for processing small end inclined plane of connecting rod
CN104175150A (en) Pressure casting transformed special-shaped product hole positioning pneumatic clamp and clamping method
CN209774048U (en) Clamp for hole machining of irregular thin-wall cavity part
CN216066145U (en) Turnover welding tool fixture
CN108544267B (en) Vertebral lamina rongeur adds clamping apparatus
CN108942343B (en) Novel clamp for outer circle of crankshaft eccentric shaft of air conditioner compressor
CN220761684U (en) Fixed base for cylinder barrel size machining
CN212095317U (en) Engine bearing cap adds clamping apparatus frock
CN109202197B (en) Multi-process linear cutting positioning fixture and method for thin-wall sealing sheet
CN111251014B (en) Machine tool workbench
CN210388398U (en) Clamp for machine tool
CN210476240U (en) Frock clamp of multistation processing
CN111451651B (en) Engine leather cup cutting clamp and cutting method
CN210878670U (en) Universal fixture for milling inner side surface, outer side surface and two end surfaces of cylindrical workpiece
CN210818489U (en) CNC adds clamping apparatus
CN112247635A (en) Flexible clamp for tightly supporting inner circle of workpiece
CN114932433B (en) Clamp for machining four peripheral surfaces and peripheral surface holes of connecting rod cover of diesel engine
CN215201565U (en) Workpiece clamping device for automatic production line
CN205733991U (en) A kind of Small Cylindrical body punching parts quick clamping mechanism
CN220659269U (en) Hub type numerical control lathe fixture
CN204449994U (en) A kind of cooling injection plate processing Combined fixture
CN211053164U (en) Frock clamp for numerical control boring machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant