CN209812463U - CNC positioning fixture - Google Patents
CNC positioning fixture Download PDFInfo
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- CN209812463U CN209812463U CN201920385669.5U CN201920385669U CN209812463U CN 209812463 U CN209812463 U CN 209812463U CN 201920385669 U CN201920385669 U CN 201920385669U CN 209812463 U CN209812463 U CN 209812463U
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- positioning fixture
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Abstract
The utility model relates to a positioning fixture technical field, concretely relates to CNC positioning fixture. The method comprises the following steps: the base, be used for placing prevent shape positioning fixture's mounting panel, apron, revolving cylinder, prevent shape positioning fixture and rotatory briquetting, install the reference column on the mounting panel, install on the base revolving cylinder, the revolving cylinder tip is equipped with rotatory briquetting, prevent being equipped with the guide way on the shape positioning fixture, still be equipped with a plurality of product mounting grooves and apron constant head tank on preventing the shape positioning fixture, be equipped with the locating hole on the apron, perforate, gib block and locating piece. The cover plate is matched with the anti-forming positioning fixture to be positioned on the positioning column more easily by positioning step by step. The anti-form positioning clamp with different models can be conveniently replaced through the positioning column positioning cover plate, and the position size from the mounting groove to the side line of the anti-form positioning clamp is not required when the anti-form positioning clamp is manufactured, so that the requirement for manufacturing the anti-form positioning clamp is reduced.
Description
Technical Field
The utility model relates to a positioning fixture technical field, concretely relates to CNC positioning fixture.
Background
For a small-piece plane plastic product in the CNC machining process, the conventional method is as follows: the fixed base and the interchangeable positioning clamp are used for fixing products in a vacuum suction manner, small plane plastic products are mostly flat plastic products such as toothbrush plastic pads, a water gap exists after injection molding, generally, in order to ensure accurate and firm positioning of the products, the clamp is heavy in design and inconvenient to operate, a vacuum pump is required to be arranged, the production cost is increased, and the production efficiency is also reduced; because the product is the platykurtic plastic product, be difficult to take out after putting into the mounting groove and processing, can influence machining efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough and defect of prior art, provide a CNC positioning fixture of progressive accurate location.
The purpose of the utility model is realized through the following technical scheme:
a CNC positioning fixture comprising: the base, be used for placing mounting panel, apron, revolving cylinder who prevents shape positioning fixture, prevent shape positioning fixture and rotatory briquetting, the mounting panel passes through the fixed block and links to each other with the base is fixed, install the reference column on the mounting panel, install on the base revolving cylinder, the revolving cylinder tip is equipped with rotatory briquetting, prevent being equipped with the guide way on the shape positioning fixture, still be equipped with a plurality of product mounting grooves and apron constant head tank on preventing shape positioning fixture, be equipped with the locating hole of cooperation reference column on the apron, supply the processing cutter to pass the apron and carry out the perforation of processing to the product, the gib block of cooperation guide way and the locating piece of cooperation apron constant head tank.
Specifically, it is a plurality of the product mounting groove is the queue setting in the guide way both sides, the mounting groove side is equipped with gets with the guide way parallel and puts the groove, get and put the groove and equal to the product maximum diameter to the guide way shortest distance.
Specifically, the apron constant head tank is the same with mounting groove quantity, apron constant head tank diameter is greater than the mounting groove, the apron constant head tank is concentric with the mounting groove.
Specifically, the cover plate positioning groove is in a shape of an inverted round table.
Specifically, the mounting panel is "worker" type mounting panel, the mounting panel minimum width is less than and prevents shape positioning fixture width.
Specifically, the height of the positioning column is greater than the overall height of the cover plate after being matched with the anti-shape positioning fixture and is less than the overall height of the cover plate after being matched with the anti-shape positioning fixture plus the height of the cover plate positioning groove.
Specifically, the rotary cylinder is arranged on the base in the extending direction of the guide groove.
Compared with the prior art, the utility model following advantage and beneficial effect are included:
(1) the utility model discloses prevent that shape positioning fixture places and realize rough location in the reference column, prevent through the cooperation of the guide strip on the apron that the guide way on the shape locating plate realizes the apron and prevents the location of shape locating plate on the guide way extending direction, realize at the guide way extending direction's location back shroud's guide block on the guide way when the apron with prevent the shape locating plate that the locating piece and the apron constant head tank cooperation that make the apron that can be more quick slide on the guide way, realize accurate location with the locating hole and the reference column location of apron again after apron and square locating plate are fixed a position completely, fix a position through the substep and can prevent shape positioning fixture location on the reference column with the apron cooperation more easily.
(2) The anti-deformation positioning clamp can be conveniently replaced by different models through the positioning column positioning cover plate, the mounting groove does not have requirements on the position size of the side line of the anti-deformation positioning clamp in the process of manufacturing the anti-deformation positioning clamp, the requirement of manufacturing the anti-deformation positioning clamp is reduced, the rotary pressing block is pressed against the cover plate, the anti-deformation positioning clamp is indirectly pressed against the anti-deformation positioning clamp, the pressing block is pressed, and the shape of the anti-deformation positioning clamp is protected.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a structural diagram of the present invention without a cover plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 2, a CNC positioning fixture comprises: base 5, be used for placing mounting panel 6, apron 1, revolving cylinder 3, prevent shape positioning fixture 2 and rotatory briquetting 7 of preventing shape positioning fixture, mounting panel 6 passes through the fixed block and links to each other with base 5 is fixed, install reference column 4 on the mounting panel 6, install on the base 5 revolving cylinder 3, 3 tip of revolving cylinder are equipped with rotatory briquetting 7, prevent being equipped with the guide way on the shape positioning fixture 2, still be equipped with a plurality of product mounting grooves and apron constant head tank on preventing shape positioning fixture 2, be equipped with the locating hole of cooperation reference column 4 on the apron 1, supply the processing cutter to pass the locating piece of the perforation of apron 1 processing to the product, the gib block of cooperation guide way and cooperation apron constant head tank. When preventing shape positioning fixture 2 and placing and realizing rough location in reference column 4, prevent the guide way on the shape locating plate through the cooperation of the guide strip on apron 1 and realize apron 1 and prevent the location of shape locating plate on the guide way extending direction, realize sliding on the guide way can be more quick when apron 1 with prevent shape locating plate and make apron 1's locating piece and apron constant head tank cooperation at the guide way of the guide way extending direction's location back apron 1's guide block, realize accurate location with apron 1's locating hole and reference column 4 location again after apron 1 and square locating plate are fixed a position completely, fix a position through the substep and can prevent shape positioning fixture 2 location on reference column 4 with apron 1 cooperation more easily. Because the apron 1 has the guide block of cooperation guide way down, and the apron 1 directly over the guide block is the sclausura district, and rotatory briquetting 7 supports the sclausura district can be abundant utilize apron 1 space, has simplified apron 1 structure. Through reference column 4 location apron 1 can conveniently change different models and prevent shape positioning fixture 2 to there is not the requirement to the mounting groove to the position size of preventing shape positioning fixture 2 sideline when making and preventing shape positioning fixture 2, reduced the requirement that the shape positioning fixture 2 was prevented in the preparation, push down apron 1 with rotatory briquetting 7 and compress tightly indirectly to preventing shape positioning fixture 2 and can not cause and prevent that shape positioning fixture 2 is compressed tightly briquetting extrusion deformation, protected and prevented shape positioning fixture 2's shape.
Specifically, it is a plurality of the product mounting groove is the queue setting in the guide way both sides, the mounting groove side is equipped with gets with the guide way parallel and puts the groove, get and put the groove and equal to the product maximum diameter to the guide way shortest distance. The arrangement is mainly used for processing round products or similar round products, the edge of the product can be tangent to the guide groove and the taking and placing groove through the arrangement, the product can be clamped by the tangent gap to be taken out, generally, materials on two sides of the guide groove and the taking and placing groove of the product can be cut off under the condition that the product is not positioned, and the product can be taken out more easily.
Specifically, the apron constant head tank is the same with mounting groove quantity, apron constant head tank diameter is greater than the mounting groove, the apron constant head tank is concentric with the mounting groove, the degree of depth of apron constant head tank is less than the degree of depth of mounting groove. Through with apron constant head tank and mounting groove concentric, the apron constant head tank can enough play the effect of direction, can save the space of locating hole again, and then can retrench the size of apron 1. When the cover plate positioning groove is concentric with the mounting groove, the positioning block is a hollow positioning block, and the positioning block needs to be provided with an extension hole for a machining tool to penetrate through the positioning block to machine a product.
Specifically, the cover plate positioning groove is in a shape of an inverted round table. Be "round platform" shape of falling through the apron constant head tank, the constant head tank not only can play the effect of location, can also play the guide effect to the product at the installation product for the product gets into in the mounting groove more easily.
Specifically, the mounting plate 6 is an I-shaped mounting plate 6, and the minimum width of the mounting plate 6 is smaller than the width of the anti-deformation positioning fixture 2. Through mounting panel 6 for "worker" type mounting panel 6, can get more easily and put and prevent shape positioning fixture 2, indirectly promote machining efficiency.
Specifically, the height of the positioning column 4 is greater than the overall height of the cover plate 1 after being matched with the anti-shape positioning fixture 2 and is less than the overall height of the cover plate 1 after being matched with the anti-shape positioning fixture 2 plus the height of the cover plate positioning groove. When the cover plate 1 is completely matched with the anti-form positioning fixture 2 and then is arranged on the positioning column 4, the positioning column 4 extends out of the cover plate 1; when the cover plate 1 is not completely attached to the anti-form positioning fixture 2, the cover plate 1 is matched with the positioning column 4, the positioning column 4 cannot extend out of the cover plate 1, and whether the cover plate 1 is completely matched with the anti-form positioning fixture 2 or not can be visually judged.
Specifically, the rotary cylinder 3 is disposed on the base 5 in the extending direction of the guide groove. The shape-preventing positioning fixture 2 is arranged on the base 5 in the extending direction of the guide groove through the rotary cylinder 3, and the shape-preventing positioning fixture 2 cannot slide out of the mounting plate 6 along the extending direction of the guide groove when being matched with the cover plate 1.
The utility model discloses a concrete implementation process as follows:
connecting a rotary cylinder 3 with an air pump through an air pipe, arranging a rotary press block 7 outside an installation plate 6 in an initial state, placing a product in an installation groove of a shape-preventing positioning fixture 2, arranging the shape-preventing positioning fixture 2 on the installation plate 6 between positioning columns 4, matching a guide strip on a cover plate 1 with a guide groove on a shape-preventing positioning plate to realize the positioning of the cover plate 1 and the shape-preventing positioning plate in the extension direction of the guide groove, sliding the cover plate 1 along the guide groove to enable a positioning block of the cover plate 1 to be matched with a cover plate positioning groove of the shape-preventing positioning fixture 2, positioning the positioning hole of the cover plate 1 with the positioning column 4, completing the positioning of the shape-preventing positioning fixture 2, starting the rotary cylinder 3, driving the rotary press block 7 to firmly press the cover plate 1, the processing can be started, the rotary cylinder 3 is restored after the processing is finished, the cover plate 1 is taken out, the anti-form positioning fixture 2 and the product are taken out, and the product is taken out.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A CNC positioning fixture, comprising: the base, be used for placing mounting panel, apron, revolving cylinder who prevents shape positioning fixture, prevent shape positioning fixture and rotatory briquetting, the mounting panel passes through the fixed block and links to each other with the base is fixed, install the reference column on the mounting panel, install on the base revolving cylinder, the revolving cylinder tip is equipped with rotatory briquetting, prevent being equipped with the guide way on the shape positioning fixture, still be equipped with a plurality of product mounting grooves and apron constant head tank on preventing shape positioning fixture, be equipped with the locating hole of cooperation reference column on the apron, supply the processing cutter to pass the apron and carry out the perforation of processing to the product, the gib block of cooperation guide way and the locating piece of cooperation apron constant head tank.
2. The CNC positioning fixture of claim 1, wherein: a plurality of the product mounting groove is the queue setting in the guide way both sides, the mounting groove side is equipped with gets with the guide way parallel and puts the groove, it equals the product maximum diameter to get to put groove to the guide way shortest distance.
3. The CNC positioning fixture of claim 1, wherein: the cover plate positioning grooves are the same as the mounting grooves in quantity, the diameters of the cover plate positioning grooves are larger than the mounting grooves, and the cover plate positioning grooves are concentric with the mounting grooves.
4. The CNC positioning fixture of claim 3, wherein: the cover plate positioning groove is in a shape of an inverted round table.
5. The CNC positioning fixture of claim 1, wherein: the mounting panel is "worker" type mounting panel, the mounting panel minimum width is less than and prevents shape positioning fixture width.
6. The CNC positioning fixture of claim 1, wherein: the height of the positioning column is greater than the overall height of the cover plate after being matched with the anti-shape positioning fixture and is less than the overall height of the cover plate after being matched with the anti-shape positioning fixture plus the height of the cover plate positioning groove.
7. The CNC positioning fixture of claim 1, wherein: the rotary cylinder is arranged on the base in the extending direction of the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385669.5U CN209812463U (en) | 2019-03-26 | 2019-03-26 | CNC positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385669.5U CN209812463U (en) | 2019-03-26 | 2019-03-26 | CNC positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209812463U true CN209812463U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920385669.5U Active CN209812463U (en) | 2019-03-26 | 2019-03-26 | CNC positioning fixture |
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| Country | Link |
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| CN (1) | CN209812463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889845A (en) * | 2020-08-28 | 2020-11-06 | 中国电子科技集团公司第五十八研究所 | Clamping fixture for alloy sealing cap and use method |
-
2019
- 2019-03-26 CN CN201920385669.5U patent/CN209812463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889845A (en) * | 2020-08-28 | 2020-11-06 | 中国电子科技集团公司第五十八研究所 | Clamping fixture for alloy sealing cap and use method |
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