CN212311644U

CN212311644U - Concave surface fine grinding clamp for telescope concave mirror lens

Info

Publication number: CN212311644U
Application number: CN202020780630.6U
Authority: CN
Inventors: 孙小兵
Original assignee: Chongqing Yijia Optical Instrument Co Ltd
Current assignee: Chongqing Yijia Optical Instrument Co Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-01-08
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a concave surface fine grinding clamp for telescope concave mirror lens, which comprises a clamp frame arranged above a polishing head and a clamp rod detachably connected on the clamp frame, wherein a clamp seat is arranged at the bottom of the clamp rod, a mounting groove for accommodating the lens is arranged at the bottom of the clamp seat, a spherical joint is arranged on the clamp rod, a spherical groove for accommodating the spherical joint is arranged at the center of the upper surface of the clamp seat, a through hole for the clamp rod to pass through is arranged at the bottom of the spherical groove, a nut for fixing the clamp rod on the clamp seat is connected at the bottom of the clamp rod, and a sliding mechanism is sleeved on the clamp rod between the lower surface of the clamp seat and the nut; the utility model discloses a with all being provided with the sliding structure who is connected with the anchor clamps pole on the surface about the anchor clamps seat, make the lens on the anchor clamps seat polish along with the diamond bistrique at the correct grinding in-process and rotate, reduce the frictional force between anchor clamps seat and the anchor clamps pole, reduce anchor clamps seat radial circle and beat, improve lens correct grinding precision.

Description

Concave surface fine grinding clamp for telescope concave mirror lens

Technical Field

The utility model belongs to an optical workpiece, such as lens, prism's technical field, concretely relates to telescope concave mirror lens concave surface correct grinding anchor clamps.

Background

The telescope lens mainly refers to a lens manufactured by optical glass, the optical glass can change the transmission direction of light and can change the relative spectral distribution of ultraviolet, visible or infrared light, and the optical glass can be used for manufacturing lenses, prisms, reflectors, windows and the like in optical instruments; heating and forging the qualified optical glass to form an optical lens blank; the blank of optical lens piece needs to carry out the process coarse grinding in proper order, the correct grinding, the polishing, the edging, wash, annotate the membrane, veneer and finished product detection and handle, at the correct grinding concave mirror lens in-process, adopts diamond bistrique rigidity and carries out rotary work, and the fixed lens of correct grinding anchor clamps installation makes the coarse grinding concave surface laminating after the lens has processed on diamond bistrique surface, and the radial circle of current lens anchor clamps is beated great at the correct grinding in-process, leads to machining efficiency and machining precision to hang down.

Disclosure of Invention

In view of this, in order to overcome prior art's above-mentioned defect, the utility model aims at providing a telescope concave mirror lens concave surface correct grinding anchor clamps, this telescope concave mirror lens concave surface correct grinding anchor clamps all are provided with the sliding structure who is connected with the anchor clamps pole on through with anchor clamps seat upper and lower surface, make the lens on the anchor clamps seat rotate along with the diamond bistrique is polished and is rotated at the correct grinding in-process, reduce the frictional force between anchor clamps seat and the anchor clamps pole, reduce anchor clamps seat radial circle and beat, improve the lens correct grinding precision.

In order to achieve the aim, the utility model provides a telescope concave mirror lens concave surface correct grinding anchor clamps, including setting up at the anchor clamps frame of head of polishing top and can dismantle the anchor clamps pole of connection on anchor clamps frame, anchor clamps pole bottom is provided with the anchor clamps seat, anchor clamps seat bottom is provided with the mounting groove that holds the lens, be provided with the ball-type joint on the anchor clamps pole, anchor clamps seat upper surface center department is provided with the ball-type groove that holds the ball-type joint, and ball-type groove bottom is provided with the through-hole that the anchor clamps pole passed, anchor clamps pole bottom is connected with fixes its nut on the anchor clamps seat, it is equipped with slide mechanism to lie in on the anchor clamps pole between anchor clamps seat lower surface.

Furthermore, the sliding mechanism is a spherical wear-resistant sleeve, a spherical groove I for accommodating the conical surface of the spherical wear-resistant sleeve is arranged on the lower surface of the clamp seat, and the bottom of the spherical wear-resistant sleeve is connected with the nut in an abutting mode.

Further, slide mechanism includes the clamp plate with the laminating of anchor clamps seat lower surface, the apron of being connected with the nut butt joint and the spring of setting between clamp plate and backup plate, it has the ball annular to enclose between clamp plate and the anchor clamps seat, be provided with a set of ball in the ball annular.

Furthermore, the center of the lower surface of the clamp seat extends outwards to form a convex block, and the spherical groove I is formed in the bottom of the convex block.

Furthermore, a plurality of guide posts are arranged between the pressing plate and the cover plate and are uniformly distributed around the clamp rod.

Further, the spring is sleeved on the guide post.

Further, the spring is sleeved on the clamp rod, and grooves for accommodating the spring are formed in the lower surface of the pressing plate and the upper surface of the cover plate.

Further, the height of the mounting groove is smaller than the thickness of the lens.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses telescope concave mirror lens concave surface correct grinding anchor clamps all are provided with the sliding structure who is connected with the anchor clamps pole on through with anchor clamps seat upper and lower surface, make the lens on the anchor clamps seat polish along with the diamond bistrique at the correct grinding in-process and rotate, reduce the frictional force between anchor clamps seat and the anchor clamps pole, reduce anchor clamps seat radial circle and beat, improve the lens correct grinding precision.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

FIG. 1 is a schematic structural view of a concave surface fine grinding fixture for a concave mirror of a telescope according to the present invention;

FIG. 2 is a schematic structural view of a fixture seat in the concave surface fine grinding fixture for the concave lens of the telescope of the present invention;

fig. 3 is a schematic structural diagram of another embodiment of the clamp seat in the concave surface fine grinding clamp for the concave lens of the telescope of the present invention.

Reference numerals: 1-a diamond grinding head; 2-a clamp frame; 3-a clamp rod; 4-a clamp seat; 5-mounting grooves; 6-a lens; 7-ball joints; 8-a nut; 9-a bump; 10-spherical wear-resistant sleeve; 11-a platen; 12-a ball bearing; 13-a cover plate; 14-a spring; 15-guide post.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the structure of the concave surface fine grinding clamp for the concave mirror of the telescope of the present invention is schematically illustrated; the utility model relates to a telescope concave mirror lens concave surface correct grinding anchor clamps, including setting up anchor clamps frame 2 and the detachable connection anchor clamps pole 3 on anchor clamps frame 2 of polishing head top, 3 bottoms of anchor clamps poles are provided with

anchor clamps seat

4, 4 bottoms of anchor clamps seat are provided with the mounting groove 5 that holds lens 6, be provided with ball-type joint 7 on the

anchor clamps pole

3, 4 upper surface center departments of anchor clamps seat are provided with the ball-type groove that holds ball-type joint 7, and ball-type tank bottom is provided with the through-hole that anchor clamps pole 3 passed, 3 bottoms of anchor clamps pole are connected with its nut 8 of fixing on anchor clamps seat, it is equipped with slide mechanism to lie in between 2 lower surfaces of anchor clamps seat and the nut 8 on anchor clamps pole 3.

This embodiment is when carrying out the correct grinding, the head of polishing adopts diamond bistrique 1, utilize 1 self rotation of diamond bistrique, the lens on anchor clamps pole drive anchor clamps seat and the anchor clamps seat is close to diamond bistrique 1, through all being provided with the sliding structure who is connected with the anchor clamps pole on the surface about with the anchor clamps seat, make the lens on the anchor clamps seat rotate along with diamond bistrique is polished in the correct grinding process, the anchor clamps pole is in quiescent condition, reduce the frictional force between anchor clamps seat and the anchor clamps pole, it beats to reduce the radial circle of anchor clamps seat, improve the lens correct grinding precision.

The preferred structure of implementing, slide mechanism sets up to spherical wear-resisting cover 10, 4 lower surfaces of anchor clamps seat are provided with the spherical groove I who holds the spherical wear-resisting cover 10 conical surface, spherical wear-resisting cover 10 bottom and nut 8 lean on to be connected, and this structure of this embodiment passes the through-hole through anchor clamps pole bottom, makes ball joint 7 support at the spherical inslot, then with spherical wear-resisting cover 10 suit on anchor clamps pole bottom, makes 1 conical surface of spherical wear-resisting cover support at spherical groove I, through threaded connection between nut 8 and the anchor clamps pole bottom to spherical wear-resisting cover 10 spacing and fixed, convenient operation, processing are convenient with low costs, after spherical wear-resisting cover 10 wearing and tearing, convenient maintenance and change.

The preferred structure of implementing, slide mechanism has another structure in this embodiment, and it includes the clamp plate 11 with the laminating of 4 lower surfaces of anchor clamps seat, the apron 13 of being connected with nut 8 butt joint and the spring 14 of setting between clamp plate 11 and backup plate 13, it has the ball annular to enclose between clamp plate 11 and the anchor clamps seat 4, be provided with a set of ball 12 in the ball annular, this embodiment fixes clamp plate 11, spring 14 and apron 13 in anchor clamps seat 4 bottom through threaded connection between nut 8 and the anchor clamps pole bottom, carries out relative roll through ball 12 between clamp plate 11 and the anchor clamps seat 4, is in quiescent condition at the anchor clamps pole, makes things convenient for anchor clamps seat 4 to rotate after 1 rotation of diamond grinding head and polishes, improves the machining precision.

The optimized implementation structure is characterized in that a bump 9 extends outwards from the center of the lower surface of the clamp seat 4, a spherical groove I is formed in the bottom of the bump 9, the structure is favorable for improving the thickness between the upper surface and the lower surface of the clamp seat 4, and when the clamp seat 4 rotates and is polished along with the diamond grinding head 1, stress concentration is generated on the upper surface and the lower surface of the clamp seat 4, so that radial circular runout of the clamp seat is reduced, and the precision of fine grinding of a lens is improved.

The preferred implementation structure, be provided with a plurality of guide posts 15 between clamp plate 11 and the apron 13, guide posts 15 equipartition is around anchor clamps pole 3, and this embodiment is through being provided with guide posts 15 between clamp plate 11 and apron 13, when avoiding anchor clamps seat 4 to rotate and polish along with diamond grinding head 1 rotation back, leads to carrying out the dislocation between clamp plate 11 and the apron 13, reaches to reduce anchor clamps seat radial circle and beats, improves the lens accurate grinding precision.

The preferred structure of implementing, spring 14 suit is on guide post 15, and this embodiment can also adopt spring 14 suit is on anchor clamps pole 3, clamp plate lower surface and apron upper surface are provided with the recess that holds the spring, through being provided with spring 14 device, are favorable to controlling the frictional force between ball and the anchor clamps seat, cushion the counter force of polishing through the spring, and the counter force is too big when avoiding polishing influences the frictional force between ball and the anchor clamps seat, reaches and reduces anchor clamps seat radial circle and beats, improves the lens accurate grinding precision.

The optimized implementation structure has the advantages that the height of the mounting groove is smaller than the thickness of the lens 6, the bottom of the lens 6 is favorable for processing the concave surface of the lens by the aid of the structure, processing efficiency is improved, and interference of the edge of the clamp seat on lens processing is avoided.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a telescope concave mirror lens concave surface correct grinding anchor clamps, is including setting up the anchor clamps frame in the head of polishing top and can dismantle the anchor clamps pole of connection on anchor clamps frame, anchor clamps pole bottom is provided with the anchor clamps seat, anchor clamps seat bottom is provided with the mounting groove that holds the lens, its characterized in that: the clamp is characterized in that the clamp rod is provided with a ball-shaped joint, the center of the upper surface of the clamp seat is provided with a ball-shaped groove for accommodating the ball-shaped joint, the bottom of the ball-shaped groove is provided with a through hole through which the clamp rod penetrates, the bottom of the clamp rod is connected with a nut for fixing the clamp rod on the clamp seat, and a sliding mechanism is sleeved between the lower surface of the clamp seat and the nut on the clamp rod.

2. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 1, characterized in that: the sliding mechanism is a spherical wear-resistant sleeve, a spherical groove I for accommodating the conical surface of the spherical wear-resistant sleeve is arranged on the lower surface of the clamp seat, and the bottom of the spherical wear-resistant sleeve is connected with the nut in an abutting mode.

3. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 1, characterized in that: slide mechanism includes the clamp plate with the laminating of anchor clamps seat lower surface, the apron of being connected with the nut butt joint and the spring of setting between clamp plate and backup plate, it has the ball annular to enclose between clamp plate and the anchor clamps seat, be provided with a set of ball in the ball annular.

4. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 2, characterized in that: the center of the lower surface of the clamp seat extends outwards to form a convex block, and the spherical groove I is formed in the bottom of the convex block.

5. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 3, characterized in that: a plurality of guide posts are arranged between the pressing plate and the cover plate and are uniformly distributed around the clamp rod.

6. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 5, characterized in that: the spring is sleeved on the guide post.

7. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 3, characterized in that: the spring is sleeved on the clamp rod, and grooves for containing the springs are formed in the lower surface of the pressing plate and the upper surface of the cover plate.

8. The telescopic concave mirror lens concave surface fine grinding clamp according to claim 3, characterized in that: the height of the mounting groove is smaller than the thickness of the lens.