CN215659132U - Large-scale double-sided frame numerical control machining vacuum clamp - Google Patents
Large-scale double-sided frame numerical control machining vacuum clamp Download PDFInfo
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- CN215659132U CN215659132U CN202022512598.6U CN202022512598U CN215659132U CN 215659132 U CN215659132 U CN 215659132U CN 202022512598 U CN202022512598 U CN 202022512598U CN 215659132 U CN215659132 U CN 215659132U
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Abstract
The utility model relates to the field of tool design and manufacture and the field of numerical control machining tool design, in particular to a numerical control machining vacuum clamp for large double-sided frame parts. The utility model discloses a large double-sided frame type numerical control machining vacuum fixture which comprises a vacuum tool main body component. The two vacuum tool main body parts are of flat plate structures and are connected through the connecting lock catches, vacuum pipeline grooves are formed in the reverse sides of the two vacuum tool main body parts and are used for vacuum pipeline installation, the reverse side vacuum pipeline grooves in the vacuum tool main body parts are communicated in a cross mode, vacuum connecting holes communicated to the front sides of the vacuum tool main body parts are formed in the vacuum tool main body parts and are used for vacuumizing, and adhesive tape sealing grooves are formed in the outer edges of the vacuum tool main body parts. The large-scale double-sided frame type numerical control machining vacuum clamp can save the auxiliary time for clamping parts while ensuring the machining precision of the parts, and a large-diameter cutter with higher use efficiency can be used for directly machining a web plate on the reverse side, so that the machining period of the parts is greatly shortened, and the utilization rate of the numerical control machine is improved.
Description
Technical Field
The utility model relates to the field of tool design and manufacture and the field of numerical control machining tool design, in particular to a numerical control machining vacuum clamp for large double-sided frame parts.
Background
Because the rigidity of the large double-sided frame product is poor, under the condition that a special clamp is not used, the reverse side web plate is machined from inside to outside by adopting cutters with small diameters in a layer, the efficiency is low, and the cutters shake easily, so that the machining quality of the product is difficult to guarantee, the machining period is long, and the delivery progress is delayed.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is as follows: the numerical control machining vacuum clamp for the large double-sided frame type parts is low in machining efficiency, not prone to tool chattering and high in product machining quality.
The technical scheme of the utility model is as follows: the large-scale double-sided frame type numerical control machining vacuum fixture comprises vacuum fixture main body parts, wherein the two vacuum fixture main body parts are of flat plate structures and are connected through connecting latches, vacuum pipeline grooves are formed in the reverse sides of the two vacuum fixture main body parts and are used for vacuum pipeline installation, the vacuum pipeline grooves in the reverse sides of the vacuum fixture main body parts are communicated in a cross mode and are provided with vacuum connecting holes communicated to the front side of the vacuum fixture main body parts and used for vacuumizing, and adhesive tape sealing grooves are formed in the outer edges of the vacuum fixture main body parts.
And the two ends of the connecting lock catch are respectively provided with a diamond positioning hole and a circular positioning hole which are respectively used for being connected with the two ends of the two tool-shaped body parts.
The outermost periphery of the main body part of the vacuum tool is provided with an elastic reverse bolt which adopts a reverse design and is sleeved with a spring.
The two end surfaces of the vacuum tool main body part are respectively provided with a part positioning hole and a waist-shaped positioning hole, wherein the waist-shaped positioning holes are positioned at the connecting end accessories of the two butt-joint vacuum tool main body parts, and the part positioning holes are positioned at the other end of the vacuum tool main body part and are used for preventing parts from being misplaced when the parts are installed.
The vacuum pipeline groove is positioned on the inner side of the adhesive tape sealing groove and is respectively arranged on two sides of the vacuum tool main body component.
The adhesive tape sealing groove is equivalent to the shape of the part and avoids the bottom angle of the part.
The utility model has the beneficial effects that: the large double-sided frame type numerical control machining vacuum clamp can save the auxiliary time for clamping parts while ensuring the machining precision of the parts, and the large-diameter cutter with high use efficiency can directly machine a web plate on the reverse side, so that the machining period of the parts is greatly shortened, and the utilization rate of the numerical control machine tool is improved.
Drawings
FIG. 1 is a schematic structural view of a large double-sided frame type numerical control machining vacuum fixture of the utility model;
FIG. 2 is a schematic view of the connecting lock;
FIG. 3 is a schematic view of a vacuum fitting conduit;
figure 4 is a schematic view of a reverse pull type elastic bolt connection,
wherein, 1-adhesive tape sealing groove, 2-vacuum joint hole, 3-part positioning hole, 4-kidney-shaped positioning groove, 5-reverse vacuum pipeline groove, 6-back-pull bolt hole, 7-thread connecting hole and 8-connecting lock catch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The large-scale double-sided frame type numerical control machining vacuum fixture comprises two vacuum tool main body parts with flat plate structures, and a connecting lock catch is arranged at the middle position of the two vacuum tool main body parts. The connecting lock catch is mainly used for connecting the parts of the two tools, and two parts can be simultaneously processed after the connecting lock catch is installed. The two end surfaces of the vacuum tool main body part are respectively provided with a part positioning hole and a waist-shaped positioning hole, wherein the waist-shaped positioning holes are positioned at the connecting end accessories of the two butt-joint vacuum tool main body parts, and the part positioning holes are positioned at the other end of the vacuum tool main body part and are used for preventing parts from being misplaced when the parts are installed. In addition, the main body part of the vacuum tooling is also provided with a round pin hole and a diamond pin hole for positioning and installation. The vacuum tool main body parts are provided with reverse side vacuum pipeline grooves for vacuum pipeline installation, wherein the reverse side vacuum pipeline grooves on the vacuum tool main body parts are communicated in a cross mode, and the end parts of the vacuum tool main body parts are provided with vacuum connecting holes for vacuumizing. In addition, the edge of the outer side of the main body of the vacuum tool is provided with a 5.5mm adhesive tape sealing groove for sealing and installing an adhesive tape, so that the phenomenon that the cutter is scrapped due to the fact that the part is not tightly adsorbed due to air leakage during vacuumizing is avoided.
Please refer to fig. 2, which is a schematic structural diagram of the connecting lock of the main body of the tooling. And the two ends of the connecting lock catch are respectively provided with a diamond positioning hole and a circular positioning hole which are respectively used for being connected with the two ends of the two tool-shaped body parts.
Please refer to fig. 3, which is a schematic diagram of a vacuum connector pipeline, wherein the vacuum connector pipeline is disposed in a vacuum pipeline groove on the reverse side of a main body of a vacuum tool and connected to a vacuum connector hole, and a valve for controlling the communication of the pipeline is disposed on the pipeline.
Referring to fig. 4, the outermost periphery of the main body of the vacuum tool is provided with an elastic reverse bolt, which is designed in a reverse manner and sleeved with a spring for fixing the blank and the tool, so that the blank and the tool are prevented from being misplaced and clamped in the clamping process.
According to the utility model, when the large double-sided frame type numerical control machining vacuum clamp is used for carrying out part timing machining, a plurality of pairs of round convex positioning pins and diamond convex positioning pins are respectively machined at two ends and the front side of a blank, wherein the round convex and the diamond convex at the joint are matched with the round positioning holes and the diamond positioning holes on the connecting lock catch in the picture 2.
And after the front surface of the part is completely machined, reversely buckling the machined surface of the part on a vacuum fixture, and performing positioning work by using a positioning hole and a positioning waist-shaped hole on the fixture and a round convex positioning pin and a diamond convex positioning pin on the machined blank. And through evacuation for vacuum frock main part becomes the sucking disc, produces the negative pressure, adsorbs the fixed part. Simultaneously for guaranteeing the leakproofness of anchor clamps, use the higher joint strip of degree of adhesion (see 5.5mm adhesive tape seal groove in figure 1) on the sucking disc, the base angle of part need be avoided to 5.5mm seal groove, is equivalent with the part appearance, and the frock bottom surface uses evacuation joint and hose to connect simultaneously, and for reducing the incomplete problem of absorption that leads to because of the sealing problem, vacuum joint evenly distributed is in the frock bottom surface (400mm regional one vacuum joint).
In order to reduce the processing period and save the time for clamping, two different vacuum clamps can be simultaneously installed on the working platform for processing, and the two vacuum clamps are connected by adopting the connecting lock catch and can be detached for independent use. The tool is connected with the blank by using a reverse-pulling elastic bolt so as to avoid vibration and play of the blank in the machining process.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The large-scale double-sided frame type numerical control machining vacuum fixture is characterized by comprising vacuum tool main body parts, wherein the two vacuum tool main body parts are of a flat plate structure and are connected through connecting latches, vacuum pipeline grooves are formed in the reverse sides of the two vacuum tool main body parts and are used for vacuum pipeline installation, the vacuum pipeline grooves in the reverse sides of the vacuum tool main body parts are communicated in a cross mode, vacuum connecting holes communicated to the front side of the vacuum tool main body part are formed in the reverse sides of the vacuum tool main body parts and are used for vacuumizing, and adhesive tape sealing grooves are formed in the outer edges of the vacuum tool main body parts.
2. The large-scale double-sided frame type numerical control machining vacuum clamp as claimed in claim 1, wherein the connecting lock catch is provided with a diamond-shaped positioning hole and a circular positioning hole at two ends thereof respectively for being connected with two ends of two tool-shaped body parts.
3. The large-scale double-sided frame type numerical control machining vacuum clamp as claimed in claim 1, wherein an elastic reverse bolt is arranged on the outermost periphery of the main body part of the vacuum tooling, the bolt is of a reverse design, and a spring is sleeved on the bolt.
4. The large-scale double-sided frame type numerical control machining vacuum clamp according to claim 1, wherein two end faces of the vacuum tool main body component are respectively provided with a part positioning hole and a kidney-shaped positioning hole, wherein the kidney-shaped positioning holes are located at the connecting end accessories of the two butt-joint vacuum tool main body components, and the part positioning holes are located at the other end of the vacuum tool main body component and are used for preventing parts from being misplaced when the parts are installed.
5. The large-scale double-sided frame type numerical control machining vacuum clamp according to claim 1, wherein the vacuum pipeline groove is located on the inner side of the rubber strip sealing groove and is respectively arranged on two sides of the vacuum tool main body component.
6. The large-scale double-sided frame type numerical control machining vacuum clamp as claimed in claim 1, wherein the rubber strip sealing groove is equivalent to the shape of the part and avoids the bottom corner of the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512598.6U CN215659132U (en) | 2020-11-03 | 2020-11-03 | Large-scale double-sided frame numerical control machining vacuum clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512598.6U CN215659132U (en) | 2020-11-03 | 2020-11-03 | Large-scale double-sided frame numerical control machining vacuum clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215659132U true CN215659132U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022512598.6U Active CN215659132U (en) | 2020-11-03 | 2020-11-03 | Large-scale double-sided frame numerical control machining vacuum clamp |
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| Country | Link |
|---|---|
| CN (1) | CN215659132U (en) |
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2020
- 2020-11-03 CN CN202022512598.6U patent/CN215659132U/en active Active
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