CN209407946U - A kind of fixture - Google Patents
A kind of fixture Download PDFInfo
- Publication number
- CN209407946U CN209407946U CN201822024209.8U CN201822024209U CN209407946U CN 209407946 U CN209407946 U CN 209407946U CN 201822024209 U CN201822024209 U CN 201822024209U CN 209407946 U CN209407946 U CN 209407946U
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- Prior art keywords
- boss
- gripping block
- workpiece
- zero point
- groove
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Abstract
The utility model discloses a kind of fixtures, including zero point disk, pedestal, fixing piece, blind rivet and a pair of of gripping block, the zero point disk is fixedly connected with the pedestal, boss is provided on the pedestal, lug boss and a pair of first groove are provided on the boss, the lug boss is used for the location hole being caught on workpiece, the pair of gripping block, which is oppositely arranged, clamps the boss and workpiece, the gripping block is provided with the first clamping portion and the second clamping portion, first clamping portion is caught in first groove, second clamping portion is caught in the second groove on workpiece, the fixing piece is for locking the gripping block, the boss and the workpiece, the blind rivet is for connecting the zero point disk and zero point positioner.Clamp structure in the utility model is simple, and by simply assembling the locking that can be realized as to workpiece, convenient disassembly can satisfy the requirement on machining accuracy of most of workpiece, low in cost.
Description
Technical field
The utility model relates to mechanical production devices fields, particularly relate to a kind of fixture.
Background technique
It is used to fastening workpiece rapidly when fixture is processing, lathe, cutter, workpiece is made to keep the device of correct relative position,
It is the indispensable component of machining.
Currently, chuck is common workpiece aid, positioning tool, but for special-shaped workpiece, chuck is difficult to workpiece reality
It is now effective fixed, it needs using different method of clamping or production special fixtures, it is not convenient enough.In addition, chuck itself using and
Maintenance cost is very high, brings larger burden to processing enterprise.
Utility model content
In view of this, being all had well to the workpiece of various shapes the purpose of this utility model is that propose a kind of fixture
Step up, fixed effect.
Based on a kind of above-mentioned purpose fixture provided by the utility model, including zero point disk, pedestal, fixing piece, blind rivet and one
To gripping block, the zero point disk is fixedly connected with the pedestal, and boss is provided on the pedestal, is provided with protrusion on the boss
Portion and a pair of first groove, the lug boss are used for the location hole being caught on workpiece, and the pair of gripping block is oppositely arranged clamping
The boss and workpiece, the gripping block are provided with the first clamping portion and the second clamping portion, and first clamping portion is caught in described
First groove, second clamping portion are caught in the second groove on workpiece, and the fixing piece is for locking the gripping block, described
Boss and the workpiece, the blind rivet is for connecting the zero point disk and zero point positioner.
Further, first groove is dovetail groove.
Further, second clamping portion is swallow-tail form protrusion.
It further, further include elastic component, the elastic component is arranged between the gripping block and the boss, for delaying
Rush the coupling mechanism force between the gripping block and the boss.
Further, the elastic component includes pressure spring and compression spring hole, and the compression spring hole setting is in the gripping block or described
On boss, the pressure spring is placed in the compression spring hole.
It further, further include anti-rotation taper pin, the taper pin is arranged on the zero point disk.
Further, the fixing piece includes screw and nut, and first screw and the nut lock described
Gripping block, the boss and workpiece.
Further, the zero point disk is fixedly connected by the second screw with straight pin with the pedestal.
Further, the zero point disk is additionally provided with technique annular groove, for mitigating the weight of the fixture.
It further, further include extension for adjusting the boss size, the boss extension is arranged described
The side that boss is contacted with the gripping block.
From the above it can be seen that a kind of fixture provided by the utility model, by the way that boss and one is arranged on pedestal
To the first card slot, gripping block is caught in the second card slot on the first card slot and workpiece, using fixing piece by gripping block, boss and work
Part locking is realized the fast clamp to workpiece, positioning and is locked.Such fixture, as long as a pair of the can be opened up on workpiece
Two draw-in groove, it will be able to realize clamping to workpiece, there is no limit applied widely to the shape of workpiece itself.To precision
It is required that not being to be fully able to meet process requirements using the fixture of the application in very high workpiece process, due to using
Mechanical structure can greatly save use cost, improve business efficiency.
A kind of fixture provided by the utility model sets the first groove as dovetail groove, and the second card slot is also dovetail groove, clamps
It is locked between block, boss and workpiece using fixing piece with oat tail groove structure, stability is high, convenient disassembly.
A kind of fixture provided by the utility model is arranged boss extension, can easily adjust the size of boss, can
Meet the clamping demand of big workpiece.
A kind of fixture provided by the utility model is additionally provided with compression spring hole in boss or gripping block, locks and presss from both sides in fixing piece
During tight block, the pressure spring in compression spring hole plays the role of buffering and control coupling mechanism force, effective protection pedestal and gripping block, prolongs
Long life.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of clamp structure provided by the embodiment of the utility model；
Fig. 2 is the sectional view of schematic diagram in Fig. 1；
Fig. 3 is the side view of schematic diagram in Fig. 1；
Fig. 4 is a kind of schematic diagram of base structure provided by the embodiment of the utility model.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
It is as depicted in figs. 1 and 2 a kind of structural schematic diagram of fixture provided by the embodiment of the utility model.The fixture packet
It includes zero point disk 1, pedestal 2, fixing piece, blind rivet 6 and a pair of of gripping block 3, the zero point disk 1 and is fixedly connected with the pedestal 2, the bottom
It is provided with boss on seat 2, lug boss and a pair of first groove are provided on the boss, the lug boss is for being caught in workpiece
Location hole, the pair of gripping block 3, which is oppositely arranged, clamps the boss and workpiece, the gripping block 3 are provided with the first clamping
Portion and the second clamping portion, first clamping portion are caught in first groove, and second clamping portion is caught in second on workpiece
Groove, for the fixing piece for locking the gripping block 3, the boss and the workpiece 8, the blind rivet 6 is described for connecting
Zero point disk 1 and zero point positioner.Fixture in the utility model, it is only necessary to location hole and groove are set on workpiece, utilize folder
The connection of pedestal 2 and workpiece 8 can be realized in tight block 3, reaches the fixation to workpiece 8, positioning and clamping, nothing by fixing piece locking
It is that cylindrical body, hexahedron, bullet, hemisphere, metamer can be applicable in by workpiece 8.Clamp structure in the utility model
Simply, by simply assembling the locking that can be realized as to workpiece, convenient disassembly can satisfy the processing essence of most of workpiece
Degree requires；Locking is clamped due to realizing using mechanical structure, it is low in cost, reduce the processing cost of workpiece.
In some embodiments, first groove is dovetail groove.When cooperating clamping with the first clamping portion of gripping block 3,
The oat tail groove structure that fixing piece is completed to be formed after fixing can guarantee the stable connection of boss and gripping block, not because external force is inclined
Oblique displacement.
In some embodiments, second clamping portion is swallow-tail form protrusion.Second in the swallow-tail form protrusion and workpiece 8
Card slot mutual cooperation clamping forms stable oat tail groove structure, not because external force shifts, can quickly and easily realize boss
It is connected with the locking of workpiece 8.
In some embodiments, the fixture further includes elastic component, and elastic component setting is in the gripping block 3 and described
Between boss, for buffering the coupling mechanism force between the gripping block 3 and the boss, gripping block 3 and convex is locked using fixing piece
When platform, boss and gripping block 3 will not direct rigid contact, therefore can effective protection boss and gripping block 3, avoid boss and folder
Tight block 3 damages, and extends the service life of fixture.
In some embodiments, the elastic component is rubber sheet gasket, and rubber sheet gasket is easy to use low in cost.
In some embodiments, as shown in figure 3, the elastic component includes pressure spring 12 and compression spring hole 9, the compression spring hole 9 is set
It sets in the gripping block 3 or the boss, the pressure spring 12 is placed in the compression spring hole 9.3 He of gripping block is locked in fixing piece
During boss, pressure spring 12 effectively can buffer and control coupling mechanism force, play protective action.Optionally, the compression spring hole 9
Quantity is four, and four compression spring holes are circumferentially uniformly arranged along fixing piece, buffering can be provided from multiple angles, so that buffering
More balanced, effect is more reliable.
It in some embodiments, further include anti-rotation taper pin 7, the taper pin 7 is arranged in the zero point disk 1
On.The taper pin 7 is inserted into the pin hole on zero point positioner, realizes the opposite of zero point positioner and 1 position of zero point disk
It is fixed, prevent the generation of revolution.
In some embodiments, the fixing piece includes the first screw 4 and nut 5, and first screw 4 and nut 5 are matched
It closes and locks the gripping block 3, the boss and workpiece 8.Optionally, the boss is provided with through-hole, and first screw 4 passes through
The pair of gripping block 3 and the through-hole are connect with the nut 5, the head of a nail and the nut 5 of first screw 4 respectively from
The two sides of the pair of gripping block 3 clamp the gripping block 3, realize the locking to the gripping block 3 and the boss.
In some embodiments, first screw 4 is soket head cap screw.The soket head cap screw intensity is high, convenient for behaviour
Make.
In some embodiments, the fixing piece is clip.When the gripping block is caught in the boss and the workpiece 8
Afterwards, gripping block 3 and the boss described in the locked clip device.
In some embodiments, the zero point disk 1 is fixedly connected by the second screw with straight pin with the pedestal 2.It can
Choosing, screw hole 10 and pin hole 11 are provided on the zero point disk 1 and the pedestal 2, straight pin insertion pin hole 11 is realized described
The positioning of zero point disk 1 and the pedestal 2 and anti-rotation, second screw are realized by screw hole 10 to 1 He of zero point disk
The pedestal 2 is fixedly connected.Optionally, second screw is soket head cap screw.Optionally, the straight pin is internal screw thread
Straight pin is realized also cooperate with pin hole 11 while positioning and realizes linkage function.
In some embodiments, the zero point disk 1 is additionally provided with technique annular groove, for mitigating the weight of the fixture.Machine
When bed drives fixture and workpiece motion s, clamp weight is lighter, and lathe is more laborsaving, and technique annular groove is arranged, can effectively mitigate described zero
The weight of point disk 1, improves the working efficiency of lathe.
Further, the connection of zero point disk 1 and zero point positioner is realized using blind rivet 6, it is convenient and efficient, according to zero-point positioning
The difference of the model of device may be selected various sizes of blind rivet 6 and zero point disk 1 is used for and zero point positioner cooperation, flexibly and easily.
Optionally, the blind rivet 6 is standard component.
In some embodiments, as shown in figure 4, the fixture further includes the extension for adjusting the boss size
13, the side that the boss is contacted with the gripping block 3 is arranged in the boss extension 13, and the fixture is applicable in
In various sizes of workpiece.Typically for the workpiece of stock size, without using boss extension 13, fixture be can satisfy pair
The clamping demand of workpiece.For large-sized workpiece, when needing bigger clamping force, installs boss extension 13 additional, adjust boss
Size, meet large-size workpiece clamping positioning needs.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
Although having been incorporated with specific embodiments of the present invention, invention has been described, according to retouching for front
It states, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fixture, which is characterized in that including zero point disk, pedestal, fixing piece, blind rivet and a pair of of gripping block, the zero point disk
It is fixedly connected with the pedestal, boss is provided on the pedestal, lug boss and a pair of first groove, institute are provided on the boss
Location hole of the lug boss for being caught on workpiece is stated, the pair of gripping block, which is oppositely arranged, clamps the boss and workpiece, described
Gripping block is provided with the first clamping portion and the second clamping portion, and first clamping portion is caught in first groove, second card
Socket part is caught in the second groove on workpiece, and the fixing piece is described for locking the gripping block, the boss and the workpiece
Blind rivet is for connecting the zero point disk and zero point positioner.
2. a kind of fixture according to claim 1, which is characterized in that first groove is dovetail groove.
3. a kind of fixture according to claim 1, which is characterized in that second clamping portion is swallow-tail form protrusion.
4. a kind of fixture according to claim 1, which is characterized in that further include elastic component, the elastic component is arranged in institute
It states between gripping block and the boss, for buffering the coupling mechanism force between the gripping block and the boss.
5. a kind of fixture according to claim 4, which is characterized in that the elastic component includes pressure spring and compression spring hole, described
Compression spring hole is arranged in the gripping block or the boss, and the pressure spring is placed in the compression spring hole.
6. a kind of fixture according to claim 1, which is characterized in that further include anti-rotation taper pin, the taper
Pin is arranged on the zero point disk.
7. a kind of fixture according to claim 1, which is characterized in that the fixing piece includes the first screw and nut, institute
It states the first screw and the nut locks the gripping block, the boss and workpiece.
8. a kind of fixture according to claim 1, which is characterized in that the zero point disk and the pedestal pass through the second screw
It is fixedly connected with straight pin.
9. a kind of fixture according to claim 1, which is characterized in that the zero point disk is additionally provided with technique annular groove, is used for
Mitigate the weight of the fixture.
10. a kind of fixture according to claim 1, which is characterized in that further include the expansion for adjusting the boss size
Part is opened up, the side that the boss is contacted with the gripping block is arranged in the boss extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822024209.8U CN209407946U (en) | 2018-12-04 | 2018-12-04 | A kind of fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822024209.8U CN209407946U (en) | 2018-12-04 | 2018-12-04 | A kind of fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209407946U true CN209407946U (en) | 2019-09-20 |
Family
ID=67936754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822024209.8U Active CN209407946U (en) | 2018-12-04 | 2018-12-04 | A kind of fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209407946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266883A (en) * | 2018-12-04 | 2020-06-12 | 航天新长征大道科技有限公司 | Clamp |
-
2018
- 2018-12-04 CN CN201822024209.8U patent/CN209407946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266883A (en) * | 2018-12-04 | 2020-06-12 | 航天新长征大道科技有限公司 | Clamp |
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