CN207971453U - Fixture for the drilling of lathe tail-bracket - Google Patents
Fixture for the drilling of lathe tail-bracket Download PDFInfo
- Publication number
- CN207971453U CN207971453U CN201720330241.1U CN201720330241U CN207971453U CN 207971453 U CN207971453 U CN 207971453U CN 201720330241 U CN201720330241 U CN 201720330241U CN 207971453 U CN207971453 U CN 207971453U
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- CN
- China
- Prior art keywords
- positioning pin
- bushing
- plate
- clamp body
- support plate
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- Expired - Fee Related
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Abstract
A kind of fixture for the drilling of lathe tail-bracket, including pressing plate, pull rod, supporting rod, cylinder, clamp body, drill bushing one, drill bushing two, bushing plate, positioning pin one and positioning pin two, clamp body is made of bottom plate and support plate；Positioning pin one and positioning pin two are vertically located at the left end of the support plate front surface of clamp body；Cylinder is vertically mounted in clamp body support plate, its piston rod passes through the rear end pin connection after clamp body support plate with pull rod；The front end of pull rod passes through pressing plate, and the rear end of pull rod is rotary with locking nut one, spring is cased on the pull rod between locking nut one and pressing plate；Support rod rear end is connect with clamp body support plate front surface；Bushing plate is mounted on the upper surface of clamp body support plate, and drill bushing one, drill bushing two are equipped on bushing plate.The fixture can realize the complete positioning to lathe tail-bracket using the Position with One Plane and Two Holes of lathe tail-bracket as positioning datum, simple and reliable for structure using cylinder clamping, and renewal part is convenient, high in machining efficiency.
Description
Technical field
The utility model is related to a kind of fixtures to belong to machine more particularly to a kind of fixture for the drilling of lathe tail-bracket
Tool processing technique field.
Background technology
Part as shown in Figure 1 is a kind of lathe tail-bracket, is an important part of lathe, and accessory size is smaller,
Planform is nor very complicated, but the surface on its dimensional accuracy, geometrical precision and relative-position error and each surface
Quality influences the assembling quality of machine or component, and then influences its performance and working life, therefore its processing is to close very much
Key and important.Drilling machine refers to the main lathe for processing hole on workpiece with drill bit, and usual bit is main motion, and drill bit is axial
Mobile is feed motion, can holes drilled through, blind hole, replace special tool, can expand, spot-facing, fraising or carry out the processing such as tapping.Cause
This, threaded hole 1-1 and circular hole 1-2 on lathe tail-bracket shown in FIG. 1 are processed with drilling machine.Drilling machine drilling is needed with fixture pair
Workpiece carries out positioning and clamping, in irregular shape due to part, therefore workpiece is difficult to fix, it is therefore desirable to designed for processing this
The special fixture of part.
Invention content
To solve the above-mentioned problems, the utility model provide it is a kind of for lathe tail-bracket drilling fixture, the fixture with
The Position with One Plane and Two Holes of lathe tail-bracket is positioning datum, can realize the complete positioning to lathe tail-bracket, using cylinder clamping, knot
Structure is simple and reliable, and renewal part is convenient, high in machining efficiency.The apparatus structure is simple, is easily installed.
In order to achieve the above object, the utility model uses following technical scheme：It is a kind of to be used for what lathe tail-bracket drilled
Fixture, including pressing plate, pull rod, supporting rod, cylinder, clamp body, drill bushing one, drill bushing two, bushing plate, positioning pin one and positioning pin
Two, the clamp body is made of bottom plate and support plate, and bottom plate and support plate are mutually perpendicular to；The positioning pin one and positioning pin
The left end of the two vertical support plate front surfaces for being located at clamp body, positioning pin one and positioning pin two and two on lathe tail-bracket blank
A location hole matches, two pilot hole axes of the distance between two axis of one axis of positioning pin and positioning pin and lathe tail-bracket
The distance between it is equal, positioning pin one and positioning pin two are in the same vertical guide；The cylinder is vertically mounted on clamp body
In support plate, its piston rod pass through rear end pin connection with pull rod after clamp body support plate；The front end of the pull rod passes through pressure
The rear end of plate, pull rod is rotary with locking nut one, and spring is cased on the pull rod between locking nut one and pressing plate；The supporting rod
Rear end is threadedly coupled with clamp body support plate front surface right end, front end is placed in the groove that pressing plate right end coordinates with it；Described
The left end of pressing plate is placed in the front of lathe tail-bracket blank；The bushing plate is mounted on the upper surface of clamp body support plate,
The drill bushing one, drill bushing two, threaded hole and unthreaded hole on drill bushing one and drill bushing two and lathe tail-bracket are installed on bushing plate
Position it is corresponding；
Further, one rear end of positioning pin is rotary with locking nut three after passing through clamp body support plate, and screw two is right
End is placed on across clamp body support plate left side in the location hole coordinated with it on one cylindrical surface of positioning pin；
Further, it is rotary with locking nut two in the contact position of the rear end of supporting rod and clamp body support plate；
Further, bushing one is cased between the drill bushing one and bushing plate, in the drill bushing two and bushing plate
Between be cased with bushing two；
Further, the positioning pin one is straight pin, and positioning pin two is rhombus pin.
The utility model can be realized using the Position with One Plane and Two Holes of lathe tail-bracket as positioning datum to the complete of lathe tail-bracket
Positioning drives platen clamp using cylinder, and simple and reliable for structure, renewal part is convenient, high in machining efficiency.Apparatus structure letter
It is single, it is easily installed.
Description of the drawings
Fig. 1 is the part drawing of lathe tail-bracket, and Fig. 1 (a)~Fig. 1 (c) in Fig. 1 is respectively the main view of lathe tail-bracket
Figure, left view and vertical view.
Fig. 2 is the front view of the utility model.
Fig. 3 is the left view of the utility model.
Fig. 4 is the vertical view of the utility model.
In figure：1, pressing plate, 3, pull rod, 4, spring, 6, supporting rod, 7, locking nut one, 8, locking nut two, 9, screw
One, 11, cylinder, 12, locking nut three, 14, clamp body, 16, screw two, 19, drill bushing one, 20, screw three, 21, drill bushing two,
22, screw four, 23, bushing plate, 24, bushing two, 25, bushing one, 26, screw five, 27, fixed pin, 28, positioning pin one, 29, fixed
Position pin two.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings (left and right directions, upper and lower directions in being described below and
Front-rear direction in Fig. 2 left and right directions, upper and lower directions and front-rear direction it is identical, far from the direction of reader be rear in Fig. 2).
It is the part drawing of the lathe tail-bracket to be processed as shown in Figure 1, is respectively lathe butt from Fig. 1 (a)~Fig. 1 (c)
Front view, left view and the vertical view of frame, that drilling is the threaded hole 1-1 and unthreaded hole 1-2 on lathe tail-bracket；Extremely such as Fig. 2
Shown in Fig. 4, it is a kind of for lathe tail-bracket drilling fixture, including pressing plate 1, pull rod 3, supporting rod 6, cylinder 11, clamp body 14,
Drill bushing 1, drill bushing 2 21, bushing plate 23, positioning pin 1 and positioning pin 2 29, the clamp body 14 is by bottom plate and support
Plate is constituted, and bottom plate and support plate are mutually perpendicular to；The vertical branch for being located at clamp body 14 of the positioning pin 1 and positioning pin 2 29
The left end of fagging front surface, positioning pin 1 and positioning pin 2 29 are matched with two location holes on lathe tail-bracket blank,
The distance between the distance between 2 29 axis of one 28 axis of positioning pin and positioning pin two pilot hole axes of lathe tail-bracket
Equal, positioning pin 1 and positioning pin 2 29 are in the same vertical guide；The cylinder 11 is vertical by four screws 1
In 14 support plate of clamp body, rear end pin connection of its piston rod after 14 support plate of clamp body with pull rod 3；Described
The front end of pull rod 3 passes through pressing plate 1, which is provided with pressure head of the size more than the bore dia of pressing plate 1, and the rear end of pull rod 3 is rotary with locking
Nut 1 is cased with spring 4 on the pull rod 3 between locking nut 1 and pressing plate 1, and spring 4 is in compressive state；The support
6 rear end of bar is threadedly coupled with 14 support plate front surface right end of clamp body, front end is placed in the groove that 1 right end of pressing plate coordinates with it；
The left end of the pressing plate 1 is placed in the front of lathe tail-bracket blank；The bushing plate 23 is solid by screw 5 26 and two
Rationed marketing 27 is mounted on the upper surface of 14 support plate of clamp body, is equipped with the drill bushing one on bushing plate 23 by screw 3 20
19, the drill bushing 2 21, drill bushing 1 and drill bushing 2 21 and the threaded hole on lathe tail-bracket are installed by screw 4 22
It is corresponding with the position of unthreaded hole.
The operation principle of the utility model：First fixture is assembled before processing, clamp body 14 is mounted on to the work of drilling machine
On platform, lathe tail-bracket blank is positioned on clamp body 14, when placement so that positioning pin 1 and positioning pin 2 29 respectively at
Two location holes of blank match, and start cylinder 11, and cylinder 11 is moved backward with dynamic pressure plate 1, until the left end of pressing plate 1 compresses vehicle
Bed tail-bracket blank, starts upright drill, can bore thread Pilot hole and unthreaded hole simultaneously, can also gradation drill two holes；Drilling is complete
Bi Hou starts cylinder 11, and cylinder 11 drives pull rod 3 to move forward, and pressing plate 1 moves forward under the action of the restoring force of spring 4,
After supporting rod 6 is detached from pressing plate 1, rotary pressure plate 1 takes out the workpiece processed, and next workpiece that changes the outfit is processed, and is so followed
Ring is reciprocal, you can expeditiously completes production work.
One 28 rear end of positioning pin is rotary with locking nut 3 12,2 16 right end of screw after passing through 14 support plate of clamp body
It is placed in the location hole coordinated with it on one 28 cylindrical surface of positioning pin across 14 support plate left side of clamp body；Such structure without
It needs positioning pin 1 to be interference fitted with clamp body 14, convenient for assembly and disassembly fixture and replaces correlated parts.
It is rotary with locking nut 28 in the contact position of the rear end of supporting rod 6 and 14 support plate of clamp body, plays the role of positioning, prevents
When only clamping workpiece, the threaded connection stress deformation between 6 clamp body of supporting rod, 14 support plate or damage lead to the precision of fixture
Decline, meanwhile, it can also reduce because of fixture damages increased cost.
It is cased with bushing 1 between the drill bushing 1 and bushing plate 23, in the drill bushing 2 21 and bushing plate 23
Between be cased with bushing 2 24, drill bushing and bushing plate can be prevented to be in direct contact friction and machining accuracy is caused to decline, can also be fast
Correlated parts are replaced fastly, not only save money but also can improve processing efficiency.
The positioning pin 1 is straight pin, and positioning pin 2 29 is rhombus pin, and straight pin and rhombus pin cooperation position, both
It may be implemented to position completely, and positioning will not be crossed, be easily installed.
Claims (5)
1. a kind of fixture for the drilling of lathe tail-bracket, it is characterised in that：Including pressing plate (1), pull rod (3), supporting rod (6),
Cylinder (11), clamp body (14), drill bushing one (19), drill bushing two (21), bushing plate (23), positioning pin one (28) and positioning pin two
(29), the clamp body (14) is made of bottom plate and support plate, and bottom plate and support plate are mutually perpendicular to；The positioning pin one
(28) and positioning pin two (29) be vertically located at clamp body (14) support plate front surface left end, positioning pin one (28) and positioning pin
Two (29) are matched with two location holes on lathe tail-bracket blank, positioning pin one (28) axis and positioning pin two (29) axis
The distance between the distance between two pilot hole axes of lathe tail-bracket equal, positioning pin one (28) and positioning pin two (29)
In the same vertical guide；The cylinder (11) is vertically mounted in clamp body (14) support plate, its piston rod passes through fixture
Rear end pin connection after body (14) support plate with pull rod (3)；The front end of the pull rod (3) passes through pressing plate (1), pull rod (3)
Rear end is rotary with locking nut one (7), and spring (4) is cased on the pull rod (3) between locking nut one (7) and pressing plate (1)；Described
Supporting rod (6) rear end is threadedly coupled with clamp body (14) support plate front surface right end, front end is placed in pressing plate (1) right end and it coordinates
Groove in；The left end of the pressing plate (1) is placed in the front of lathe tail-bracket blank；The bushing plate (23) is mounted on folder
Specifically on the upper surface of (14) support plate, the drill bushing one (19), drill bushing two (21), drill bushing one are installed on bushing plate (23)
(19) and drill bushing two (21) is corresponding with the position of threaded hole and unthreaded hole on lathe tail-bracket.
2. a kind of fixture for the drilling of lathe tail-bracket according to claim 1, it is characterized in that：The positioning pin one
(28) rear end is rotary with locking nut three (12) after passing through clamp body (14) support plate, and screw two (16) right end passes through clamp body (14)
Support plate left side is placed in the location hole coordinated with it on positioning pin one (28) cylindrical surface.
3. a kind of fixture for the drilling of lathe tail-bracket according to claim 1 or 2, it is characterized in that：In supporting rod (6)
The contact position of rear end and clamp body (14) support plate be rotary with locking nut two (8).
4. a kind of fixture for the drilling of lathe tail-bracket according to claim 3, it is characterized in that：In the drill bushing one
(19) it is cased with bushing one (25) between bushing plate (23), bushing is cased between the drill bushing two (21) and bushing plate (23)
Two (24).
5. a kind of fixture for the drilling of lathe tail-bracket according to claim 4, it is characterized in that：The positioning pin one
(28) it is straight pin, positioning pin two (29) is rhombus pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330241.1U CN207971453U (en) | 2017-03-31 | 2017-03-31 | Fixture for the drilling of lathe tail-bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330241.1U CN207971453U (en) | 2017-03-31 | 2017-03-31 | Fixture for the drilling of lathe tail-bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207971453U true CN207971453U (en) | 2018-10-16 |
Family
ID=63770186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720330241.1U Expired - Fee Related CN207971453U (en) | 2017-03-31 | 2017-03-31 | Fixture for the drilling of lathe tail-bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207971453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192253A (en) * | 2020-09-22 | 2021-01-08 | 阜阳市鼎铭汽车配件制造有限公司 | Excircle drilling and clamping device for round pipe type automobile accessories |
-
2017
- 2017-03-31 CN CN201720330241.1U patent/CN207971453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192253A (en) * | 2020-09-22 | 2021-01-08 | 阜阳市鼎铭汽车配件制造有限公司 | Excircle drilling and clamping device for round pipe type automobile accessories |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20190331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |