CN208051406U - Centre bore positioning fixture for square bar - Google Patents
Centre bore positioning fixture for square bar Download PDFInfo
- Publication number
- CN208051406U CN208051406U CN201820349271.1U CN201820349271U CN208051406U CN 208051406 U CN208051406 U CN 208051406U CN 201820349271 U CN201820349271 U CN 201820349271U CN 208051406 U CN208051406 U CN 208051406U
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- China
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- clamping part
- centre bore
- positioning fixture
- bore positioning
- square bar
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Abstract
The utility model discloses a kind of centre bore positioning fixture for square bar, including：First clamping part is equipped with a clamp groove, and the clamp groove with the square bar for being adapted；Second clamping part can be moved toward and away from first clamping part；And position-limiting unit, the movement of second clamping part is connect and is used to limit with second clamping part；Wherein, the clamp groove is towards second clamping part.Centre bore positioning fixture disclosed by the utility model for square bar, as a kind of specific purpose tool, the clamping of square bar may be implemented, to easily realize the centre bore positioning of square bar, center hole machined can be carried out using bench drill square shaped stick, instead of the method for carrying out square bar center hole machined on lathe using chuck clamping, trouble caused by the exchange of chuck is avoided, is had the advantages that easy to operate.
Description
Technical field
The utility model is related to a kind of centre bore positioning fixtures for square bar.
Background technology
In machining field, for stick (shaft-like) material, center hole machined is generally carried out using lathe, on lathe spindle
The fixture of installation be chuck, circular rod using scroll chuck be clamped, square bar then need using chuck clamping tune-up, in this way when
When needing alternately to process circular rod and square bar, scroll chuck is needed mutually to be exchanged with chuck.But chuck installation is multiple
Miscellaneous, debugging is cumbersome, and often the step of exchange once mounting, debugging is required for coming once again, and in real work, task type is more
Sample need to frequently exchange chuck, can cause waste of time, it is inconvenient the problems such as.
To sum up, square bar centre bore positioning processing time consuming is laborious in the prior art.
Utility model content
The technical problems to be solved in the utility model is to overcome the square bar centre bore of the prior art to position processing charges
When laborious defect, a kind of centre bore positioning fixture for square bar is provided.
The utility model is to solve above-mentioned technical problem by following technical proposals：
A kind of centre bore positioning fixture for square bar, feature be, including：
First clamping part is equipped with a clamp groove, and the clamp groove with the square bar for being adapted；
Second clamping part can be moved toward and away from first clamping part；And
Position-limiting unit connect with second clamping part and is used to limit the movement of second clamping part；
Wherein, the clamp groove is towards second clamping part.
Preferably, the position-limiting unit includes：Fixed part and drive link；The fixed part is relative to first clamping part
Fixed, the fixed part is located at the both sides of second clamping part with first clamping part, and the fixed part is equipped with one
Screw hole；The drive link is adapted with the screw hole, and the drive link is pivotably coupled to second clamping part and opposite
In the second clamping part axial limiting.
As above setting, drive link can drive the second clamping part to move so that the second clamping part and the first clamping part can
Clamping square stick.
Preferably, the drive link is equipped with annular groove, second clamping part is arranged in the annular groove.
As above setting, simply by annular groove so that drive link can either be rotated relative to the second clamping part, and energy
Enough relative to the second clamping part axial limiting.
Preferably, the drive link includes：Threaded rod and connector, the threaded rod are adapted with the screw hole, institute
The two sides for stating annular groove are located at the threaded rod and the connector, the threaded rod welded with the connector or
Person is connected by fastener.
As above setting, the second clamping part are arranged in connection screw thread bar and connector after annular groove, and welding has structure
Firm advantage, fastener connection have the advantages that detachable, easily changeable.
Preferably, second clamping part includes：Grip block and protrusion post, the protrusion post connect with the grip block and
Towards the fixed part, the protrusion post is arranged in the annular groove.
As above setting, grip block realize that the clamping of square bar, protrusion post realize that the connection of drive link, the two are not interfere with each other.
Preferably, being equipped with bearing between second clamping part and the drive link, it is recessed that the bearing is located at the annular
Slot.
As above setting, bearing are used to reduce the frictional force between the second clamping part and drive link, and graphite shaft can be used in bearing
It holds.
Preferably, the screw hole is through-hole, including further including operating head, the operating head is fixedly connected the position-limiting unit
In the drive link, the operating head is located at the both sides of the fixed part with second clamping part.
As above setting, operating head are operated for user, and the position of operating head makes it not interfere with the second clamping part
Stroke.
Preferably, the clamp groove only includes two clamping faces, two clamping faces are respectively used to and the square bar
Adjacent two outer surfaces contact.
As above setting, clamp groove can include multiple faces, but only there are two being clamping face, clamp groove only limits rectangular
One angle of stick, for clamp groove limits two angles of square bar, this setting can be with the rectangular of suitable for multiple sizes
Stick.
Preferably, the centre bore positioning fixture further includes cushion pad, the cushion pad is adhered to the clamp groove
Inner surface.
As above setting, cushion pad can be rubber pad etc., can be used for adjusting fine clearance so that clamping is more firm.
Preferably, the centre bore positioning fixture further includes pedestal, bottom guide track and head rail, first clamping
Portion is fixed at the pedestal with the bottom guide track, and the head rail is connected to the top of first clamping part, institute
The second clamping part is stated along the bottom guide track and the head rail slidably.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can arbitrarily combine to get the utility model respectively compared with
Good example.
The positive effect of the utility model is：
Centre bore positioning fixture disclosed by the utility model for square bar may be implemented as a kind of specific purpose tool
The clamping of square bar, to easily realize the centre bore positioning of square bar, in being carried out using bench drill square shaped stick
Heart hole machined avoids chuck instead of the method for carrying out square bar center hole machined on lathe using chuck clamping
Exchange caused by trouble, have the advantages that easy to operate.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the centre bore positioning fixture of the utility model preferred embodiment, and wherein square bar is same
It shows.
Fig. 2 is the schematic top plan view of the centre bore positioning fixture of the utility model preferred embodiment.
Fig. 3 Fig. 2 along the directions A-A partial sectional schematic view, wherein illustrating only protrusion post, drive link and operating head.
Reference sign：
10：Centre bore positioning fixture
100：First clamping part
110：Clamp groove
111：Clamping face
200：Second clamping part
210：Grip block
220：Protrusion post
300：Position-limiting unit
310：Fixed part
311：Screw hole
320：Drive link
321：Annular groove
322：Threaded rod
323：Connector
330：Operating head
400：Cushion pad
500：Bearing
600：Pedestal
710：Bottom guide track
720：Head rail
20：Square bar
Specific implementation mode
A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.
As shown in Figs. 1-3, include for the centre bore positioning fixture 10 of square bar 20：First clamping part 100, second is clamped
Portion 200 and position-limiting unit 300.Wherein, the first clamping part 100 is equipped with a clamp groove 110, and clamp groove 110 is used for and side
Shape stick 20 is adapted.Clamp groove 110 is towards the second clamping part 200.Second clamping part 200 can be toward and away from the first clamping
Portion 100 moves.Position-limiting unit 300 is connect with the second clamping part 200 and the movement for limiting the second clamping part 200.
The centre bore positioning fixture 10 is used as a kind of specific purpose tool, and the clamping of square bar 20 may be implemented, to easily
It realizes the centre bore positioning of square bar 20, center hole machined can be carried out using bench drill square shaped stick 20, instead of utilization
The method that chuck clamping carries out 20 center hole machined of square bar on lathe avoids numb caused by the exchange of chuck
It is tired, have the advantages that easy to operate.
First clamping part 100 is plate-like.In the present embodiment, clamp groove 110 only includes two clamping faces 111, two clamping faces
The 111 two adjacent outer surfaces for being respectively used to square bar 20 contact, in this way, clamp groove 110 only limits the one of square bar 20
A angle, can be with the square bar 20 of suitable for multiple sizes；In alternative embodiment, clamp groove can include three clamping faces,
It is contacted with three adjacent outer surfaces of square bar, limits two angles of square bar, can be used for the square bar of specific dimensions.Together
When, this centre bore positioning fixture 10 further includes cushion pad 400, and cushion pad 400 is adhered to the inner surface of clamp groove 110.Buffering
Pad 400 can be rubber pad etc., can be used for adjusting fine clearance so that clamping is more firm.
Second clamping part 200 includes：Grip block 210 and protrusion post 220, protrusion post 220 are connect with grip block 210.This reality
It applies in example, grip block 210 realizes that the clamping of square bar 20, protrusion post 220 are hollow cylinder and are equipped with corresponding hole, protrusion post
220 realize the connection of position-limiting unit 300；In alternative embodiment, the second clamping part can only include grip block, on grip block
Corresponding hole is arranged directly to connect with position-limiting unit.
Its position with protrusion post 220, connection relation will be described in detail when the structure of position-limiting unit 300 is described below.
Position-limiting unit 300 specifically includes：Fixed part 310 and drive link 320.Meanwhile it further includes behaviour that position-limiting unit 300, which includes,
Make first 330.
Fixed part 310 is fixed relative to the first clamping part 100.The protrusion post 220 of second clamping part 200 is i.e. towards fixed part
310.Fixed part 310 is plate-like.Fixed part 310 and the first clamping part 100 are located at the both sides of the second clamping part 200.It is fixed
Portion 310 is equipped with a screw hole 311.Screw hole 311 is through-hole.
Drive link 320 is adapted with screw hole 311.Drive link 320 be pivotably coupled to the second clamping part 200 and relative to
Second clamping part, 200 axial limiting.Specifically, as Fig. 3 is shown, drive link 320 is equipped with annular groove 321, the second clamping part 200
It is arranged in annular groove 321, to realize relative rotation and axial limiting.Drive link 320 includes：Threaded rod 322 and connection
Part 323.Threaded rod 322 is adapted with screw hole 311.The two sides of annular groove 321 are located at threaded rod 322 and connector
323.After second clamping part 200 is arranged in annular groove 321, threaded rod 322 and connector 323 are reconnected.In the present embodiment,
Threaded rod 322 is welded with connector 323, and structure is firm；In alternative embodiment, threaded rod 322 can lead to connector 323
Cross fastener connection.It is specially that protrusion post 220 is arranged in annular groove 321 in the present embodiment, in the second clamping part 200, is driven
A part for bar 320 is located in the cavity of protrusion post 220.Protrusion post 220 realizes the connection of drive link 320 in this way, does not interfere folder
Hold the clamping of plate 210.Bearing 500, i.e. protrusion post 220 and drive link 320 are equipped between second clamping part 200 and drive link 320
Between be equipped with bearing 500.Bearing 500 is located at annular groove 321, and graphite bearing can be used.
Operating head 330 is fixedly connected on drive link 320, is specifically fixedly connected on threaded rod 322.Operating head 330 and second
Clamping part 200 is located at the both sides of fixed part 310.In the present embodiment, operating head 330 is turret head, and die nut can be used
It is operated；In alternative embodiment, operating head can be the long handle for being radially arranged in drive link.
Referring again to Fig. 1-2, in the present embodiment, centre bore positioning fixture 10 further include pedestal 600, bottom guide track 710 with
And head rail 720.First clamping part 100 is fixed at pedestal 600 with bottom guide track 710.The equally fixation of fixed part 310 is set
In pedestal 600.Head rail 720 is connected to the top of the first clamping part 100.Second clamping part 200 is along bottom guide track 710 and top
Portion's guide rail 720 is slidably.The quadrangle of second clamping part 200 is equipped with corner groove, and corner groove is led with bottom guide track 710 and top
Rail 720 is adapted.In alternative embodiment, bottom guide track can be only set, head rail is not provided with, what same realization was oriented to
Purpose.
The operating procedure of centre bore positioning fixture 10 is described briefly below：
Before centre bore positioning processing：As shown in Figure 1, square bar 20 is placed in clamp groove 110, operating head 330 is operated,
So that drive link 320 rotates, to which the second clamping part 200 of driving is moved towards the first clamping part 100, the second clamping part 200 is made
For a rib of square bar 20, the clamping of square bar 20 is realized.
After centre bore positioning processing：Reverse operating operating head 330 so that drive link 320 reversely rotates, to driving second
Clamping part 200 away from the first clamping part 100 move, when second clamping no longer act on square bar 20, as shown in Figure 1, can be taken off
Square bar 20.
Centre bore positioning fixture 10 can be directly placed on bench drill, branch of the pedestal 600 by the platform of bench drill
Support crosses on the end face of square bar 20 and provides central point, and artificial Mobility Center hole positioning fixture 10 is with centring point and platform
The drill bit of formula drilling machine carries out center hole machined.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of centre bore positioning fixture for square bar, which is characterized in that including：
First clamping part is equipped with a clamp groove, and the clamp groove with the square bar for being adapted；
Second clamping part can be moved toward and away from first clamping part；And
Position-limiting unit connect with second clamping part and is used to limit the movement of second clamping part；
Wherein, the clamp groove is towards second clamping part.
2. centre bore positioning fixture as described in claim 1, which is characterized in that the position-limiting unit includes：Fixed part and biography
Lever；The fixed part is fixed relative to first clamping part, and the fixed part is located at institute with first clamping part
The both sides of the second clamping part are stated, the fixed part is equipped with a screw hole；The drive link is adapted with the screw hole, the drive link
It is pivotably coupled to second clamping part and relative to the second clamping part axial limiting.
3. centre bore positioning fixture as claimed in claim 2, which is characterized in that the drive link is equipped with annular groove, described
Second clamping part is arranged in the annular groove.
4. centre bore positioning fixture as claimed in claim 3, which is characterized in that the drive link includes：Threaded rod and company
Fitting, the threaded rod are adapted with the screw hole, the two sides of the annular groove be located at the threaded rod with it is described
Connector, the threaded rod are welded with the connector or are connect by fastener.
5. centre bore positioning fixture as claimed in claim 3, which is characterized in that second clamping part includes：Grip block and
Protrusion post, the protrusion post connect with the grip block and towards the fixed parts, and it is recessed that the protrusion post is arranged in the annular
Slot.
6. centre bore positioning fixture as claimed in claim 3, which is characterized in that second clamping part and the drive link it
Between be equipped with bearing, the bearing is located at the annular groove.
7. centre bore positioning fixture as claimed in claim 2, which is characterized in that the screw hole is through-hole, the position-limiting unit
Including further including operating head, the operating head is fixedly connected on the drive link, the operating head and second retained part
Not Wei Yu the fixed part both sides.
8. centre bore positioning fixture as described in claim 1, which is characterized in that the clamp groove only includes two clamping faces,
Two clamping faces are respectively used to the two adjacent outer surfaces with the square bar and contact.
9. centre bore positioning fixture as described in claim 1, which is characterized in that the centre bore positioning fixture further includes buffering
Pad, the cushion pad are adhered to the inner surface of the clamp groove.
10. such as claim 1-9 any one of them centre bore positioning fixtures, which is characterized in that the centre bore positioning fixture
Further include pedestal, bottom guide track and head rail, first clamping part is fixed at the bottom with the bottom guide track
Seat, the head rail are connected to the top of first clamping part, and second clamping part is along the bottom guide track and described
Head rail is slidably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349271.1U CN208051406U (en) | 2018-03-14 | 2018-03-14 | Centre bore positioning fixture for square bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349271.1U CN208051406U (en) | 2018-03-14 | 2018-03-14 | Centre bore positioning fixture for square bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208051406U true CN208051406U (en) | 2018-11-06 |
Family
ID=63989394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820349271.1U Active CN208051406U (en) | 2018-03-14 | 2018-03-14 | Centre bore positioning fixture for square bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208051406U (en) |
-
2018
- 2018-03-14 CN CN201820349271.1U patent/CN208051406U/en active Active
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| GR01 | Patent grant |