CN211966958U

CN211966958U - Pressure head of lower swing machine

Info

Publication number: CN211966958U
Application number: CN202020214877.1U
Authority: CN
Inventors: 辛小飞
Original assignee: Zhongshan Guanlin Photoelectric Technology Co ltd
Current assignee: Zhongshan Guanlin Photoelectric Technology Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-11-20
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a pressure head of a lower swing machine, which comprises a pressure head, a clamp and a grinding dish, wherein the contact surface of the pressure head and the clamp is a first contact surface, and the first contact surface extends from the middle to the lower parts of two sides to form a cambered surface; the contact surface of anchor clamps and pressure head is the second contact surface, and the second contact surface extends to both sides below from the centre, forms an cambered surface, and grinding ware upper surface extends to both sides top from the centre, forms a cambered surface that is used for placing the lens and places the chamber. The utility model discloses well first contact surface adopts the cambered surface contact with the second contact surface, and the lens centering is easier, because simultaneously face contact for anchor clamps atress is even, does not influence the anchor clamps precision, and processing quality and operating efficiency obtain promoting. Meanwhile, the structure is simple, the action is reliable, the operation is convenient, the process requirement of the lens grinding and swinging machine in the lens production process can be met practically, and the production efficiency is ensured.

Description

Pressure head of lower swing machine

Technical Field

The utility model relates to a lens processing technology field especially indicates a pressure head of lower hem machine.

Background

With the rapid development of optical cold processing, the types of machines for processing lenses are becoming more and more abundant. As shown in FIG. 1, a general machine for machining convex mirrors uses a down swing machine, and the swing angle of the machine is 0-45 °. When designing the lens pressure head, the precision influence of the machine swing on the machine processing lens is fully considered. The pressure head commonly used by the machine table is generally in a flat end face seal ring type, only the seal ring is in contact with the conical surface at the back of the lens clamp in the machining process, the pressure is low, a groove is easily formed in the conical surface of the clamp, the problems that the fixed core of the clamp is difficult to correct in machining and the cutting of the lens is uneven are caused, the quality is unstable, and the defective rate is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provides a pressure head of lower hem machine, has solved current pressure head and has leaded to the anchor clamps centering in the processing easily to revive difficulty and the uneven problem of lens cutting.

The technical scheme of the utility model is realized like this:

the pressure head of the lower swing machine comprises a pressure head, a clamp and a grinding pan, wherein the contact surface of the pressure head and the clamp is a first contact surface, and the first contact surface extends from the middle to the lower parts of two sides to form an arc surface; the contact surface of the clamp and the pressure head is a second contact surface, the second contact surface extends from the middle to the lower parts of the two sides to form an arc surface, and the upper surface of the grinding dish extends from the middle to the upper parts of the two sides to form an arc surface placing cavity for placing the lens.

Furthermore, a vibration-proof pad is arranged between the pressure head and the clamp, and the first contact surface and the second contact surface compress the vibration-proof pad.

Furthermore, the shockproof pad adopts a pad skin or a sealing ring.

Furthermore, the shockproof pad adopts a sealing ring.

Further, the sealing ring is annular or O-shaped.

Furthermore, clamping grooves for clamping the lenses are further formed in two sides of the bottom of the clamp.

Adopt above-mentioned technical scheme, the utility model provides a pair of pressure head of lower hem machine's beneficial effect lies in: the pressure head is connected with the clamp; the contact surface of the pressure head and the clamp is a first contact surface, and the first contact surface extends from the middle to the lower parts of two sides to form an arc surface; the contact surface of anchor clamps and pressure head is the second contact surface, and the second contact surface extends to both sides below from the centre, forms an cambered surface, and grinding ware upper surface extends to both sides top from the centre, forms a cambered surface that is used for placing the lens and places the chamber. When the grinding dish rotates at a high speed, the first contact surface of the pressure head is contacted with the second contact surface of the clamp, so that the processed lens is uniformly pressed. The pressure head compares in the flush end face, and it is easier to adopt cambered surface contact lens centering, simultaneously because of face contact for anchor clamps atress is even, does not influence the anchor clamps precision, and processing quality and operating efficiency obtain promoting, and the pressure head compares in the flush end face, and simple structure simultaneously acts on reliably, and convenient operation can satisfy the technological requirement of lens grinding lower hem machine in the lens production process conscientiously, ensures production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a conventional pressure head of a lower swing machine;

FIG. 2 is a schematic structural view of the pressure head of the lower swing machine of the present invention;

FIG. 3 is an exploded view of the pressure head of the lower swing machine of the present invention;

fig. 4 is an exploded view of another embodiment of the pressure head of the lower swing machine of the present invention.

In the figure, 1-pressure head, 2-clamp, 3-lens, 4-grinding dish, 5-first contact surface, 6-second contact surface, 7-vibration-proof pad, 8-clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 2 and fig. 3, in the embodiment provided by the present invention, a pressure head 1 of a pendulum machine includes a pressure head 1, a clamp 2 and a grinding pan 4, a contact surface between the pressure head 1 and the clamp 2 is a first contact surface 5, and the first contact surface 5 extends from the middle to the lower parts of two sides to form an arc surface; the contact surface of the clamp 2 and the pressure head 1 is a second contact surface 6, the second contact surface 6 extends from the middle to the lower parts of two sides to form an arc surface, and the upper surface of the grinding dish 4 extends from the middle to the upper parts of two sides to form an arc surface placing cavity for placing the lens 3.

In particular, a vibration-proof pad 7 is also arranged between the pressure head 1 and the clamp 2, and the first contact surface 5 and the second contact surface 6 compress the vibration-proof pad 7.

Specifically, the vibration-proof pad 7 adopts the pad skin, plays the shock attenuation effect, protects pressure head 1 and anchor clamps 2, reduces wearing and tearing, plays the effect of increase frictional force simultaneously.

Specifically, clamping grooves 8 for clamping the lenses 3 are further arranged on two sides of the bottom of the clamp 2.

As shown in fig. 4, the present invention provides another embodiment, a pressure head 1 of a pendulum machine. The difference between this embodiment and the previous embodiment is: the shock pad 7 adopts a sealing ring. Specifically, the seal ring is annular or "O" shaped. The inner ring and the outer ring of the vibration-proof pad 7 are respectively contacted with the first contact surface 5 and the second contact surface 6, and the vibration-proof pad can also play a role in shock absorption and protect the pressure head 1 and the clamp 2.

Understandably, the pressure head 1 of the lower swinging machine comprises the pressure head 1, a clamp 2 and a grinding pan 4, wherein the contact surface of the pressure head 1 and the clamp 2 is a first contact surface 5, and the first contact surface 5 extends from the middle to the lower parts of two sides to form an arc surface; the contact surface of the clamp 2 and the pressure head 1 is a second contact surface 6, the second contact surface 6 extends from the middle to the lower parts of two sides to form an arc surface, and the upper surface of the grinding dish 4 extends from the middle to the upper parts of two sides to form an arc surface placing cavity for placing the lens 3. When the grinding dish 4 rotates at a high speed, the first contact surface 5 of the pressure head 1 is contacted with the second contact surface 6 of the clamp 2, so that the processed lens 3 is uniformly pressed. Pressure head 1 compares in the flush end face, and it is easier to adopt cambered surface contact lens 3 centering, simultaneously because of face contact for 2 atresss of anchor clamps are even, do not influence 2 precisions of anchor clamps, and processing quality and operating efficiency obtain promoting, and pressure head 1 compares in the flush end face, and simple structure simultaneously, the effect is reliable, and convenient operation can satisfy the technological requirement that 3 grinding lower pendulums of lens in 3 production processes of lens conscientiously, ensures production efficiency.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pressure head of lower hem machine which characterized in that: the grinding device comprises a pressure head, a clamp and a grinding vessel, wherein the contact surface of the pressure head and the clamp is a first contact surface, and the first contact surface extends from the middle to the lower parts of two sides to form an arc surface; the contact surface of the clamp and the pressure head is a second contact surface, the second contact surface extends from the middle to the lower parts of the two sides to form an arc surface, and the upper surface of the grinding dish extends from the middle to the upper parts of the two sides to form an arc surface placing cavity for placing the lens.

2. The pressure head of a downswing machine of claim 1, wherein: and a shockproof pad is also arranged between the pressure head and the clamp, and the first contact surface and the second contact surface compress the shockproof pad.

3. The pressure head of a downswing machine of claim 2, wherein: the shockproof pad adopts a pad skin or a sealing ring.

4. The pressure head of a downswing machine of claim 2, wherein: the shockproof pad adopts a sealing ring.

5. The pressure head of a downswing machine of claim 4, wherein: the sealing ring is annular or O-shaped.

6. The pressure head of a downswing machine of claim 5, wherein: and clamping grooves for clamping the lenses are further formed in the two sides of the bottom of the clamp.