CN213646741U - Drilling positioning device for annular workpiece - Google Patents
Drilling positioning device for annular workpiece Download PDFInfo
- Publication number
- CN213646741U CN213646741U CN202022841988.8U CN202022841988U CN213646741U CN 213646741 U CN213646741 U CN 213646741U CN 202022841988 U CN202022841988 U CN 202022841988U CN 213646741 U CN213646741 U CN 213646741U
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- Prior art keywords
- positioning
- annular workpiece
- annular
- locating
- drilling
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Abstract
The utility model discloses a drilling positioner of annular work piece, belong to aluminium alloy production processingequipment technical field, support the chassis, the major structure who supports the chassis is the circular slab, be formed with the lift groove on supporting the chassis, the lift groove extends along the direction of height who supports the chassis, be provided with the elevating platform within the lift groove, the major shape of elevating platform is cylindrical, circumference at the elevating platform is formed with a plurality of locating holes, the centre of a circle evenly distributed of a plurality of locating holes is on the circumference of the same circumference of elevating platform, and the locating hole extends along the radial direction of elevating platform, be provided with the locating lever in the locating hole, the locating lever extends along the extending direction of locating hole, one end at the locating lever dorsad locating hole is connected with the locating piece. The positioning block is used for abutting against the annular workpiece to realize positioning and fixing of the annular workpiece, and the annular workpiece is clamped through movement of the positioning rod.
Description
Technical Field
The utility model belongs to the technical field of aluminium alloy production processingequipment, a positioner for aluminium alloy drilling is related to, particularly, relate to a drilling positioner of annular workpiece.
Background
The aluminum profile is an alloy material with aluminum as a main component, aluminum ingots are subjected to a series of process treatments after being subjected to hot melting, and then the aluminum profiles with different cross-sectional shapes are obtained through extrusion, die casting and other modes. In order to meet different use requirements of the aluminum profile, the formed aluminum profile needs to be subjected to subsequent processing, such as deburring, surface polishing, surface drilling, surface spraying and the like. In the surface drilling process of the annular workpiece, the annular workpiece needs to be fixed in order to prevent the annular workpiece from moving in the drilling process. In the prior art, two ways are adopted for fixing the annular workpiece, namely fixing the annular workpiece at a plurality of positions on the outer side of the annular workpiece through supporting points, or fixing the annular workpiece at a plurality of positions on the inner side of the annular workpiece through supporting points. Although the two fixing modes have a good fixing effect on the annular workpiece in the drilling process of the annular workpiece, in the fixing process, the surface of the annular workpiece is easily damaged in the process that the contact area between the fulcrum fixing and the annular workpiece is small and the fixing force is applied; meanwhile, the acting forces applied to the annular workpiece by the plurality of fixing support points are different in magnitude, so that the annular workpiece is easy to deform in the fixing process, and the actual use of the annular workpiece is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and exist among the prior art, the fixing device who exists when carrying out surface drilling to annular work piece causes the damage or leads to annular work piece to produce the problem of deformation easily to the surface of annular work piece, on prior art's basis, improves the fixing device of annular work piece, makes it satisfy the fixed demand of annular work piece.
Based on above purpose, the utility model discloses a drilling positioner of annular work piece, including supporting the chassis, the major structure who supports the chassis is the circular slab be formed with the lift groove on supporting the chassis, the lift groove is followed the direction of height on supporting the chassis extends, be provided with the elevating platform within the lift groove, the major shape of elevating platform is cylindrical the circumference of elevating platform is formed with a plurality of locating holes, and is a plurality of the centre of a circle evenly distributed of locating hole is in on the circumference of the same circumference of elevating platform, just the locating hole is followed the radial direction of elevating platform extends, be provided with the locating lever in the locating hole, the locating lever is followed the extending direction of locating hole extends the locating lever dorsad the one end of locating hole is connected with the locating piece.
Preferably, a plurality of guide holes are formed in the support chassis, and the centers of the plurality of guide holes are located on the same circumference. The arrangement of the guide hole aims to solve the problem that when the annular workpiece is drilled, the annular workpiece needs to be drilled through, and the drill bit can be directly contacted with the supporting chassis at the moment, so that the supporting chassis is damaged.
Further preferably, the guide hole is an annular guide groove, and in this case, protection against drilling at any position above the annular workpiece can be achieved.
Further preferably, the diameter of the guide hole or the guide groove is larger than the diameter of the drill bit, so that sufficient reserved space is provided for the drill bit to travel.
Preferably, the number of the positioning holes is at least three. The quantity of locating holes and the quantity of locating lever are adapted, when the quantity of locating hole is less than three, can not play the fixed effect of location, or can not disperse the effort of locating lever to annular work piece, lead to annular work piece to produce deformation. After the quantity of locating hole is greater than three, the mechanical complexity increases, increases the quantity of the setpoint of annular work piece, and this has not only increased the degree of difficulty of clamping, causes the waste of unnecessary machinery simultaneously.
Preferably, a limiting column is formed at the bottom of the positioning hole, a limiting spring is arranged on the limiting column, one end of the limiting spring is connected with the bottom of the positioning hole in a contact-stopping manner, and the other end of the limiting spring is in contact with the positioning rod in a contact-stopping manner.
Preferably, a reset stop lever is formed at one end of the positioning rod, which is in contact with the limiting spring, a reset stop ring is formed at the top of the positioning hole, the inner diameter of the reset stop ring is larger than the diameter of the positioning rod, and the diameter of the reset stop ring is smaller than the diameter of the reset stop lever. The locating lever that the setting of spacing spring made can move at a certain degree to resume deformation to suitable position under the effect of spring force. The positioning block on the positioning rod is supported against the annular workpiece by the aid of the spring after clamping is completed, so that the annular workpiece is positioned and fixed.
Preferably, the positioning block is annular, and the diameter of the positioning block is equal to the inner diameter of the annular workpiece.
Preferably, a scratch-proof pad is arranged on the positioning block.
Preferably, the anti-scraping pad is a silica gel pad or a rubber pad.
The annular positioning block is matched with the inner diameter of the annular workpiece, so that the circle center of the annular workpiece can be automatically adjusted to the same fixed position after clamping is completed, and positioning and fixing of the annular workpiece are completed. The scraping-proof pad can reduce the hard connection between the positioning block and the annular workpiece and reduce the surface damage of the annular workpiece.
The beneficial effects of the utility model reside in that: 1. the lifting groove and the lifting platform which are arranged on the supporting chassis can adjust the height of the lifting platform, so that the height of the positioning rod can be adjusted according to the difference of the thickness of the annular workpiece, and the positioning block can be positioned above the middle height of the annular workpiece. 2. The arrangement of the positioning rod and the limiting spring enables the positioning rod to move towards the bottom of the positioning hole in the process of clamping the annular workpiece, and after the clamping is completed, the spring recovers to deform to enable the positioning block on the positioning rod to abut against the annular workpiece, so that the annular workpiece is positioned and fixed and clamped. 3. The annular locating block is matched with the inner diameter of the annular workpiece, so that the adverse effect of deformation of the annular workpiece in the clamping process can be avoided, and the surface damage of the annular workpiece in the clamping process of the annular workpiece can be further reduced due to the scraping-proof pad.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a main body of a drilling positioning device for an annular workpiece according to an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of a drilling positioning device for an annular workpiece according to an embodiment of the present invention;
fig. 3 is a partially enlarged structural view of a region a in fig. 2.
Reference numerals:
1. a support chassis; 11. a lifting groove; 12. a lifting platform; 13. positioning holes; 14. a guide hole; 15. a limiting column; 16. a limiting spring; 17. resetting the stop lever; 18. resetting the baffle ring; 2. positioning a rod; 3. positioning blocks; 31. and (4) a scratch-resistant pad.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
According to one embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, a drilling positioning device for a ring-shaped workpiece comprises a supporting chassis 1, wherein the supporting chassis 1 has a circular plate as a main structure, a lifting groove 11 is formed above the supporting chassis 1, the lifting groove 11 extends along the height direction of the supporting chassis 1, a lifting platform 12 is arranged in the lifting groove 11, the main body of the lifting platform 12 is cylindrical, a plurality of positioning holes 13 are formed in the circumferential direction of the lifting table 12, the centers of the plurality of positioning holes 13 are uniformly distributed on the circumference of the lifting table 12 in the same circumferential direction, and the positioning hole 13 extends along the radial direction of the lifting platform 12, a positioning rod 2 is arranged in the positioning hole 13, the positioning rod 2 extends along the extending direction of the positioning hole 13, and a positioning block 3 is connected to one end of the positioning rod 2, which is opposite to the positioning hole 13.
According to an embodiment of the present invention, as shown in fig. 2, a plurality of guiding holes 14 are formed on the supporting chassis 1, and the centers of circles of the plurality of guiding holes 14 are located on the same circumference. The guide hole 14 is provided to solve the problem that when the annular workpiece needs to be drilled through during drilling, the drill bit may directly contact with the support chassis 1, which may cause damage to the support chassis 1.
Further preferably, the guide hole 14 is an annular guide groove, and in this case, it is possible to satisfy drilling protection at any position above the annular workpiece.
It is further preferable that the diameter of the pilot hole 14 or the pilot groove is larger than the diameter of the drill bit, so as to provide sufficient space for the drill bit to travel.
Preferably, the number of the positioning holes 13 is at least three. The quantity of locating hole 13 and the quantity looks adaptation of locating lever 2, when the quantity of locating hole 13 is less than three, can not play the fixed effect of location, perhaps can't disperse the effort of locating lever 2 to annular work piece, lead to annular work piece to produce deformation. When the number of the positioning holes 13 is more than three, the mechanical complexity is increased, the number of the positioning points of the annular workpiece is increased, the clamping difficulty is increased, and unnecessary mechanical waste is caused.
According to the utility model discloses an embodiment, as shown in fig. 3, the bottom of locating hole 13 is formed with spacing post 15, be provided with spacing spring 16 on the spacing post 15, wherein one end of spacing spring 16 is connected the end and is touched locating hole 13's bottom, and other end butt touches locating lever 2, locating lever 2 with the one end of spacing spring 16 contact is formed with the pin 17 that resets, the top of locating hole 13 is formed with the fender ring 18 that resets, the internal diameter that resets fender ring 18 is greater than the diameter of locating lever 2, the diameter that resets fender ring 18 is less than the diameter that resets pin 17. The locating lever 2 that the setting of spacing spring 16 made can move at a certain degree to resume deformation to suitable position under the effect of spring force. The arrangement can enable the positioning rod 2 to move towards the bottom of the positioning hole 13 in the process of clamping the annular workpiece, and after the clamping is completed, the spring recovers to deform to enable the positioning block 3 on the positioning rod 2 to abut against the annular workpiece, so that the annular workpiece is positioned, fixed and clamped.
According to the utility model discloses an embodiment, as shown in fig. 1 and fig. 2, locating piece 3 is the annular, just the diameter of locating piece 3 equals the internal diameter of annular work piece, be provided with on the locating piece 3 and prevent scraping the pad 31, prevent scraping the pad 31 and be silica gel pad or rubber pad. The annular positioning block 3 is matched with the inner diameter of the annular workpiece, so that the circle center of the annular workpiece can be automatically adjusted to the same fixed position after clamping is completed, and positioning and fixing of the annular workpiece are completed. The scraping-proof pad 31 can reduce the hard connection between the positioning block 3 and the annular workpiece, and reduce the surface damage of the annular workpiece.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description in the above embodiments and the specification is only for illustrating the principles of the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The drilling positioning device for the annular workpiece is characterized by comprising a supporting chassis (1), wherein the main body structure of the supporting chassis (1) is a circular plate, a lifting groove (11) is formed in the supporting chassis (1), the lifting groove (11) extends along the height direction of the supporting chassis (1), a lifting table (12) is arranged in the lifting groove (11), the main body shape of the lifting table (12) is cylindrical, a plurality of positioning holes (13) are formed in the circumferential direction of the lifting table (12), the circle centers of the positioning holes (13) are uniformly distributed on the circumference of the lifting table (12) in the same circumferential direction, the positioning holes (13) extend along the radial direction of the lifting table (12), positioning rods (2) are arranged in the positioning holes (13), and the positioning rods (2) extend along the extending direction of the positioning holes (13), one end of the positioning rod (2) back to the positioning hole (13) is connected with a positioning block (3).
2. The annular workpiece drilling and positioning device according to claim 1, wherein a plurality of guide holes (14) are formed in the supporting chassis (1), and the centers of the plurality of guide holes (14) are located on the same circumference.
3. The apparatus for positioning the hole for drilling the annular workpiece according to claim 1, wherein the number of the positioning holes (13) is at least three.
4. The annular workpiece drilling and positioning device according to claim 3, wherein a limiting column (15) is formed at the bottom of the positioning hole (13), a limiting spring (16) is arranged on the limiting column (15), one end of the limiting spring (16) is connected and contacted with the bottom of the positioning hole (13) in a stopping way, and the other end of the limiting spring is contacted and contacted with the positioning rod (2) in a stopping way.
5. The annular workpiece drilling and positioning device according to claim 4, wherein a reset stop rod (17) is formed at one end of the positioning rod (2) contacting with the limiting spring (16), a reset stop ring (18) is formed at the top of the positioning hole (13), the inner diameter of the reset stop ring (18) is larger than the diameter of the positioning rod (2), and the diameter of the reset stop ring (18) is smaller than the diameter of the reset stop rod (17).
6. The annular workpiece drilling and positioning device according to claim 1, wherein the positioning block (3) is annular, and the diameter of the positioning block (3) is equal to the inner diameter of the annular workpiece.
7. The annular workpiece drilling and positioning device according to claim 6, wherein a scratch pad (31) is arranged on the positioning block (3).
8. The annular workpiece drilling and positioning device as recited in claim 7, characterized in that the scratch pad (31) is a silicone pad or a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022841988.8U CN213646741U (en) | 2020-11-30 | 2020-11-30 | Drilling positioning device for annular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022841988.8U CN213646741U (en) | 2020-11-30 | 2020-11-30 | Drilling positioning device for annular workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213646741U true CN213646741U (en) | 2021-07-09 |
Family
ID=76689536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022841988.8U Expired - Fee Related CN213646741U (en) | 2020-11-30 | 2020-11-30 | Drilling positioning device for annular workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213646741U (en) |
-
2020
- 2020-11-30 CN CN202022841988.8U patent/CN213646741U/en not_active Expired - Fee Related
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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: 20210709 Termination date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |