CN214234833U

CN214234833U - Clamp for single-side coating of non-magnetic metal gasket with hole

Info

Publication number: CN214234833U
Application number: CN202023161910.8U
Authority: CN
Inventors: 贺盛; 常新新; 姜鑫; 金章斌; 邓晓良
Original assignee: Suzhou Jiheng Nano Technology Co ltd
Current assignee: Suzhou Jiheng Nano Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-21
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a clamp for a single-side coating of a non-magnetic metal gasket with a hole, which comprises a regular prism-shaped clamp body, wherein the clamp body is provided with an installation through hole along the central axis thereof, the clamp body is provided with more than three sides with the same shape, the sides of the clamp body are clamping surfaces, a plurality of hooks are uniformly distributed on each clamping surface, and the hooks extend obliquely upwards relative to the clamping surfaces; the clamp can be used as a cleaning clamp and a coating clamp at the same time, the clamping mode is simple and convenient and easy to operate, the condition that the coating permeates into the back of the workpiece can be effectively avoided, the coating operation efficiency is improved, and the coating effect is improved.

Description

Clamp for single-side coating of non-magnetic metal gasket with hole

Technical Field

The utility model belongs to the technical field of the coating processing equipment, especially, relate to an anchor clamps that is used for foraminiferous nonmagnetic metal gasket single face coating.

Background

The PVD coating is widely applied to various cutting tools, stamping dies and friction parts needing wear resistance and corrosion resistance, compared with other coatings, the PVD coating has excellent performance, for example, the PVD coating has hardness as high as HV3000, can improve the wear resistance of a plated workpiece, is controlled at a micron level in precision, hardly influences the size of the workpiece, and can effectively improve the surface hardness and the friction and wear properties of the workpiece due to the compact coating.

The metal gasket is used in various machining equipment, plays a role in sealing and maintaining stable connection at the connection part between parts, and when the metal gasket is installed, in order to keep the overall mechanical performance of the installed part, the surface of the metal gasket facing the outside needs to be subjected to PVD coating processing to obtain the hardness and the wear resistance consistent with those of surrounding parts; before the surface treatment of the coating is carried out on the processed nonmagnetic metal gasket, firstly, an ultrasonic cleaning machine is utilized to clean the processed nonmagnetic metal gasket to remove the surface dirt of the nonmagnetic metal gasket, so that the metal gasket has good surface cleanliness during coating, and then, the metal gasket is subjected to single-side coating; in the prior art, when the non-magnetic metal gasket is clamped by the single-side coating, the surface which does not need to be coated is mostly wrapped and protected by tinfoil and is fixed by a binding mode of iron wires, the clamping mode is complicated and is not easy to operate, the clamping efficiency is low, the risk of coating on the back surface of a workpiece exists, and a corresponding matched clamp is also lacked in the cleaning process.

SUMMERY OF THE UTILITY MODEL

The weak point to prior art, the utility model provides an anchor clamps for foraminiferous nonmagnetic metal gasket single face coating can regard as simultaneously that washing anchor clamps and coating anchor clamps use, and the simple and convenient easy operation of clamping mode can also effectively avoid the condition that the coating infiltration appears at the work piece back.

The technical scheme of the utility model as follows: the clamp for the single-side coating of the nonmagnetic metal gasket with the hole comprises a regular prism-shaped clamp body, wherein a mounting through hole is formed in the clamp body along the central axis of the clamp body, the clamp body is provided with more than three side faces with the same shape, the side faces of the clamp body are clamping faces, a plurality of hooks are uniformly distributed on each clamping face, and the hooks extend out obliquely upwards relative to the clamping faces.

Furthermore, the hooks are distributed on the clamping surface in an array shape, the hooks in two adjacent rows or two adjacent columns are staggered, and the distance between every two adjacent hooks is not less than 13 mm.

Furthermore, the mounting through holes are rectangular, mounting columns surround the mounting through holes from the outside, the mounting columns and the clamping surfaces are hollowed out, and ridge positions between the mounting columns and the clamping surfaces are connected through rib plates.

Furthermore, the surface of the hook, which is in contact with the hung workpiece, is a bearing surface, and the bearing surface is a plane perpendicular to the clamping surface.

Further, the length of the bearing surface is not less than 1 mm.

Further, the clamp body is hexagonal prism-shaped and is provided with six clamping surfaces.

Further, the included angle formed by the hook relative to the clamping surface ranges from 30 degrees to 60 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: 1) the fixture can be used as a cleaning fixture and a coating fixture at the same time, workpieces can be hung one by one to be cleaned in a cleaning stage, and the workpieces can still keep the original clamping state after being cleaned and dried, so that the cleaned workpieces can be directly coated, the problem of no matched cleaning fixture is solved, and the cleaning-coating process adopts the same set of fixture to avoid the step of taking down the workpieces for re-clamping, so that the coating operation efficiency is higher; 2) because the workpiece is directly hung on the hook, the workpiece is not easy to fall out due to the inclined included angle between the hook and the clamping surface, and the clamping surface is tightly pasted on the back surface of the workpiece, so that the risk that the back surface of the workpiece is coated with a coating can be effectively avoided; 3) the hooks uniformly arranged in an array manner can ensure that the distances among the workpieces hung on the hooks are equal, so that the thickness of the surface coating of the workpiece is more uniform, and the appearance uniformity of each workpiece is better.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the clamp for clamping a workpiece according to the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the clamp of the present invention when the clamp is not clamping a workpiece;

FIG. 3 is a top view of the clamp of the present invention;

FIG. 4 is an enlarged view of a detail of a clamping surface when the clamp clamps a workpiece according to the present invention;

labeled as: the fixture comprises a fixture body 1, a mounting through hole 2, a mounting column 21, a rib plate 22, a clamping surface 3, a hook 4, a bearing surface 41 and a workpiece 5.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1-4, the clamp for a single-side coating of a non-magnetic metal gasket with holes of the present invention comprises a clamp body 1, wherein the clamp body 1 is a regular prism type and has more than three sides with the same shape, the sides of the clamp body are clamping surfaces 3, and a plurality of hooks 4 for clamping a workpiece 5 are uniformly distributed on each clamping surface 3; the clamp body 1 is preferably hexagonal prism shaped with six clamping faces 3. Be equipped with installation through-hole 2 along the center pin in anchor clamps body 1, installation through-hole 2 cup joints with supporting vertical member during the use, and vertical member rotates and drives anchor clamps body 1 and rotates around the center pin, and the work piece of clamping face 3 is scribbled to convenient follow outside, consequently in order to avoid relative slip between installation through-hole 2 and the outside vertical member, installation through-hole 2 is non-cylindrical, and for convenient manufacturing, installation through-hole 2 is the preferred rectangle of rule.

The mounting columns 21 surround the mounting through holes 2 from the outside, the mounting columns 21 and the clamping surfaces 3 are hollowed out, and ridge positions between the mounting columns 21 and the clamping surfaces 3 are connected through rib plates 22; the self weight of the clamp body 1 is lightened by the arrangement, so that the clamp is convenient for an operator to use.

The hooks 4 are distributed on the clamping surface 3 in an array shape, the hooks 4 in two adjacent rows or two adjacent columns are staggered, and the distance between every two adjacent hooks 4 is not less than 13 mm; the hooks 4 between adjacent ranks are staggered mutually to avoid collision of workpieces in the clamping process, and the distance between the adjacent hooks 4 is larger than 13mm in order to keep a certain gap between the adjacent workpieces 5 because the diameter of the workpiece 5 to be coated is 12 mm.

The hook 4 extends obliquely upwards relative to the clamping surface 3, the included angle formed by the hook 4 relative to the clamping surface 3 ranges from 30 degrees to 60 degrees, the surface of the hook 4, which is in contact with the hung workpiece 5, is a bearing surface 41, the bearing surface 41 is a plane perpendicular to the clamping surface 3, and the length of the bearing surface 41 is not less than 1 mm; the hook 4 extending obliquely upwards can prevent the hung workpiece 5 from slipping off the hook 4, the included angle is set between 30 degrees and 60 degrees, the purpose of relatively fixing the workpiece can be achieved, the phenomenon that the coating on the surface of the workpiece is uneven due to shielding can be avoided, the horizontal bearing surface 41 can better bear and support the workpiece, and the length of the bearing surface 41 is not less than 1mm because the thickness of the workpiece is about 1 mm.

When the clamp is used, nonmagnetic metal gasket workpieces 5 are uniformly hung on the hooks of each clamping surface 3 in the cleaning stage, and are cleaned and dried in a concentrated manner, and then coating operation is carried out. In the coating process, the inward surface of the workpiece 5 is tightly attached to the clamping surface 3, so that the coating is only plated on the outward surface, the coating cannot penetrate into the back surface of the workpiece, the workpiece can be taken down after the coating process is finished, and the single-side coating operation of the non-magnetic metal gasket is finished.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A anchor clamps that is used for foraminiferous nonmagnetic metal gasket single face coating, its characterized in that: the clamp comprises a regular prism-shaped clamp body, wherein a mounting through hole is formed in the clamp body along the central axis of the clamp body, the clamp body is provided with more than three side faces with the same shape, the side faces of the clamp body are clamping faces, a plurality of hooks are uniformly distributed on each clamping face, and the hooks extend out obliquely upwards relative to the clamping faces.

2. The fixture for single-sided coating of a perforated non-magnetic metal gasket as recited in claim 1, wherein: the hooks are distributed in an array shape on the clamping surface, the hooks in two adjacent rows or two adjacent columns are staggered, and the distance between every two adjacent hooks is not less than 13 mm.

3. The fixture for single-sided coating of a perforated non-magnetic metal gasket as recited in claim 1, wherein: the mounting through holes are rectangular, mounting columns surround the mounting through holes from the outside, the mounting columns and the clamping surfaces are hollowed out, and ridge positions between the mounting columns and the clamping surfaces are connected through rib plates.

4. The fixture for single-sided coating of a perforated non-magnetic metal gasket as recited in claim 1, wherein: the surface of the hook, which is in contact with the hung workpiece, is a bearing surface, and the bearing surface is a plane perpendicular to the clamping surface.

5. The fixture for single-sided coating of a perforated non-magnetic metal gasket as recited in claim 4, wherein: the length of the bearing surface is not less than 1 mm.

6. The fixture for single-sided coating of a perforated non-magnetic metal gasket as recited in claim 1, wherein: the clamp body is hexagonal prism type and is provided with six clamping surfaces.

7. The fixture for single-sided coating of a perforated non-magnetic metal gasket as recited in claim 1, wherein: the included angle formed by the hook relative to the clamping surface ranges from 30 degrees to 60 degrees.