Split type polishing clamp

Abstract

The utility model belongs to the technical field of optical material polishing, and provides a split type polishing clamp which comprises a base and a fixing piece, one side of the base is provided with a fixing part used for being connected with external polishing equipment, and the other side of the base is provided with a groove used for containing a workpiece. The fixing piece is fixed in the groove in a separable manner; the fixing piece is provided with a fixing hole, and the fixing hole and the groove are matched to form a fixing cavity for a workpiece to be inserted and fixed. When the workpiece is placed in the fixing cavity, the upper surface of the workpiece protrudes out of the fixing cavity. The base and the fixing piece are arranged to be separable, after polishing is completed, the base is separated firstly, then the fixing piece is taken down from a workpiece, workers can take the fixing piece out of the clamp conveniently, and damage to the workpiece is reduced.

Description

TECHNICAL FIELD

[0001] The utility model discloses optical material polishing technical field, concretely is a split type polishing fixture. BACKGROUND

[0002] The material of optical lenses generally includes glass and plastic. Traditional optical glass has excellent optical performance, such as low dispersion and high light transmittance, but is heavy and fragile. In the manufacturing process, the lens needs to go through multiple processes, including cutting, grinding, polishing and coating, and each step is crucial to the final quality of the lens. Some special optical designs and processing precision requirements, such as lenses with chamfers or specific curvatures, can effectively reduce optical distortion and improve imaging clarity.

[0003] CN202221879061.6 discloses a fixture for fixing a cut edge lens and a cut edge lens processing equipment, comprising a fixture body, a limiting block for lens clamping is arranged at one end of the upper part of the fixture body, a locking block for locking the lens is arranged at the other end of the upper part of the fixture body, the cut edge lens with an incomplete circular structure is arranged between the locking block and the limiting block, the height of the cut edge lens is higher than the height of the locking block, and the height of the locking block is higher than the height of the limiting block.

[0004] In the above technical solution, the lens is fixed by the locking block and the limiting block. After polishing is completed, workers usually need to knock the back of the fixture to produce vibration to loosen the lens before taking it out. This operation method is not convenient for taking out the lens and is easy to cause damage to the lens. UTILITY MODEL CONTENTS

[0005] The utility model discloses optical material polishing technical field, concretely is a split type polishing fixture, the fixture is through setting up the base and the fixed spare with the separable mode, after completing polishing, the base is first separated, and then the fixed spare is taken off from the workpiece, and then, the worker is taken out from the fixture, and the damage to the workpiece is reduced.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A split type polishing fixture, comprising a base and a fixed part, one side of the base is provided with a fixed part for connecting with the polishing equipment of external equipment, and the other side is provided with a groove for accommodating the workpiece;The fixed part is fixed in the groove in a separable manner;The fixed part is provided with a fixing hole, and the fixing hole and the groove cooperate to form a fixing cavity for inserting and fixing the workpiece;When the workpiece is placed in the fixing cavity, the upper surface of the workpiece protrudes from the fixing cavity.

[0008] In the above-mentioned split type polishing fixture, the base comprises a disc body and an annular protrusion arranged on one side of the disc body, the annular protrusion and the disc body enclose the groove, and the fixed part is detachably connected with the annular protrusion.

[0009] In the above-mentioned split type polishing fixture, the outer wall of the fixing member is provided with a plurality of connecting columns, and the annular protrusion is provided with a plurality of fixing grooves, the connecting columns are used for being embedded into the fixing grooves so that the fixing member is fixed in the groove in a separable manner.

[0010] In the above-mentioned split type polishing fixture, the inner wall of the fixing hole is provided with a containing groove corresponding to the corner of the workpiece, and the containing groove is used for containing the corner of the workpiece.

[0011] In the above-mentioned split type polishing fixture, the workpiece comprises a main member and an accessory, the fixing hole comprises a first fixing hole and a second fixing hole, the accessory corresponds to the second fixing hole, and the containing groove comprises a first containing groove located in the first fixing hole and a second containing groove located in the second fixing hole.

[0012] In the above-mentioned split type polishing fixture, the second fixing hole is two and is located on both sides of the first fixing hole.

[0013] In the above-mentioned split type polishing fixture, the fixing part is a first needle hole, and the bottom is fixed by inserting a needle of an external polishing equipment into the first needle hole.

[0014] In the above-mentioned split type polishing fixture, the bottom is provided with a first threaded hole, the mounting seat is provided with a second threaded hole, the mounting seat is connected to one side of the bottom provided with the first needle hole by penetrating the second threaded hole and the first threaded hole through the threaded hole by a bolt, the mounting seat is further provided with a first needle hole corresponding to the second needle hole, and the needle of the external polishing equipment can fix the bottom by sequentially inserting the second needle hole and the first needle hole.

[0015] In the above-mentioned split type polishing fixture, the bottom is further provided with a plurality of liquid adding openings.

[0016] In the above-mentioned split type polishing fixture, the fixing hole matches the shape of the workpiece.

[0017] Compared with the prior art, the polishing fixture has the beneficial effects that:

[0018] The bottom and the fixing member are arranged in a separable manner, the bottom is separated first after polishing is completed, then the fixing member is removed from the workpiece, workers can take out the workpiece from the fixture conveniently, and damage to the workpiece is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a perspective view of a bottom of a split type polishing fixture of embodiment 1;

[0020] Fig. 2is a second perspective view of a base of a split polishing clamp of Example 1;

[0021] Fig. 3 is a top view of a fixing member of a split polishing clamp of Example 1;

[0022] Fig. 4 is a bottom view of a mounting base of a split polishing clamp of Example 1;

[0023] Fig. 5 is a sectional view of a mounting base of a split polishing clamp of Example 1;

[0024] Fig. 6 is a top view of a split polishing clamp of Example 1;

[0025] In each figure, reference numerals are as follows:

[0026] 1, base; 11, annular protrusion; 111, fixing groove; 12, disc body; 13, recess; 14, fixing portion; 141, first thimble hole; 15, first threaded hole; 16, liquid filling port; 2, fixing member; 21, fixing hole; 211, first fixing hole; 212, second fixing hole; 22, connecting column; 23, accommodating groove; 231, first accommodating groove; 232, second accommodating groove; 3, mounting base; 31, second thimble hole; 32, second threaded hole; 4, fixing cavity. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Example 1

[0029] Reference Figs. 1-6 A split polishing clamp includes a base 1 and a fixing member 2. The base 1 is provided with a fixing portion 14 on one side for connecting with an external polishing device, and is provided with a recess 13 on the other side for accommodating a workpiece. The fixing member 2 is fixed in the recess 13 in a detachable manner. The fixing member 2 is provided with a fixing hole, and the fixing hole 21 cooperates with the recess 13 to form a fixing cavity for inserting and fixing the workpiece. When the workpiece is placed in the fixing cavity 4, the upper surface of the workpiece protrudes out of the fixing cavity 4.

[0030] In this design, the worker installs the fixing member 2 on the base 1, and makes the fixing hole of the fixing member 2 cooperate with the groove 13 to form a fixing cavity 4 for inserting and fixing the workpiece, then the worker inserts the workpiece into the fixing cavity 4, and after the insertion, the upper surface of the workpiece protrudes from the fixing cavity 4, then the worker turns over the clamp, so that the upper surface of the workpiece faces downward and is attached to the surface of the polishing disc of the external polishing equipment, the fixing part 14 faces upward and is connected with the external polishing equipment to fix the base 1, since the external polishing equipment is connected with the base 1, then the base 1 and the polishing disc of the external polishing equipment are driven to rotate, so that the upper surface of the workpiece protruding from the fixing cavity 4 is polished, after the polishing is completed, the rotation is stopped, the fixing of the base 1 is released, and the base 1 is separated from the fixing member 2, since the polishing liquid is added during the polishing, the part of the workpiece attached to the polishing disc of the external polishing equipment is not easy to separate, because a small amount of polishing liquid enters the tiny gap between the workpiece and the polishing disc of the external polishing equipment, and forms an adsorption state under the action of atmospheric pressure, after the base is separated, the workpiece is flushed with liquid, so that a large amount of liquid enters the tiny gap to break the original air pressure balance, and the workpiece is separated from the polishing disc of the external polishing equipment; in this way, the worker can easily take out the workpiece, and the damage to the workpiece is reduced.

[0031] Preferably, the base 1 comprises a disc body 12 and an annular protrusion 11 arranged on one side of the disc body 12, the annular protrusion 11 and the disc body 12 surround the groove 13, and the fixing member 2 is detachably connected with the annular protrusion 11.

[0032] More preferably, a plurality of connecting columns 22 are arranged on the outer wall of the fixing member 2, and a plurality of fixing grooves 111 are arranged on the annular protrusion 11, the connecting columns 22 are used for being embedded into the fixing grooves 111, so that the fixing member 2 is fixed in the groove 13 in a separable manner.

[0033] Specifically, the connecting columns 22 of the fixing member 2 are aligned with the fixing grooves 111 of the annular protrusion 11, and the connecting columns 22 are embedded into the fixing grooves 111, so that the fixing member 2 is fixed in the groove 13 in a separable manner, in this way, the fixing member 2 and the annular protrusion 11 are easily separated. Meanwhile, the cooperation of the fixing grooves 111 and the connecting columns 22 can also limit the rotation of the fixing member 2 in the groove 13.

[0034] In this embodiment, the inner wall of the fixing hole 21 is provided with a containing groove 23 corresponding to the corner of the workpiece, and the containing groove 23 is used for containing the corner of the workpiece.

[0035] Specifically, since some workpieces have corners, in order to avoid damaging the corners of the workpieces during the taking, placing or polishing of the workpieces, the containing groove 23 is arranged to contain the corner of the workpiece.

[0036] Preferably, the fixing hole 21 matches the shape of the workpiece.

[0037] Specifically, after the fixing member 2 is installed on the base 1, the fixing hole 21 and the groove 13 form a fixing cavity 4, so that the workpiece can be fixed after being inserted into the fixing cavity 4; after polishing is completed, the base 1 is separated from the fixing member 2 and then is flushed, and the part of the workpiece accommodated in the groove 13 is exposed after the base 1 is separated, and then the workpiece is taken away from the polishing disc of the external polishing equipment, and since the fixing hole 21 matches the shape of the workpiece, the fixing member 2 is sleeved on the workpiece after the workpiece is taken away from the polishing disc of the external polishing equipment, and at this time, the worker only needs to pull the fixing member 2 sleeved on the workpiece to separate the fixing member 2 from the workpiece.

[0038] In this embodiment, the workpiece includes a main member and an accessory, the fixing hole 21 includes a first fixing hole 211 and a second fixing hole 212, the first fixing hole 211 corresponds to the main member, the accessory corresponds to the second fixing hole 212, and the accommodating groove includes a first accommodating groove 231 located in the first fixing hole 211 and a second accommodating groove 232 located in the second fixing hole 212.

[0039] Specifically, the shapes of the main member and the accessory are different, the first fixing hole 211 and the second fixing hole 212 correspond to the main member and the accessory respectively, so that the main member and the accessory can be fixed at the same time, polishing of the main member and the accessory is completed, and the first accommodating groove 231 and the second accommodating groove 232 are arranged to respectively protect the corner portions of the main member and the accessory, so as to avoid damage to the corner portions of the workpiece during processing or taking out.

[0040] Preferably, the fixing portion 14 is a first thimble hole 141, and the base 1 is fixed by inserting a thimble of an external polishing equipment into the first thimble hole 141.

[0041] Further, after the clamp is turned over so that the upper surface of the workpiece is attached to the polishing disc of the external polishing equipment, the first thimble hole 141 is upward, the base 1 is fixed by inserting the thimble of the external polishing equipment into the first thimble hole 141, and after polishing is completed, the thimble of the external polishing equipment is extracted from the first thimble hole 141, so that the fixing of the base 1 is released.

[0042] In this embodiment, the mounting seat 3 is further included, the base 1 is provided with a first threaded hole 15, the mounting seat 3 is provided with a second threaded hole 32, the mounting seat 3 is connected to one side of the base 1 provided with the first thimble hole 141 by a bolt passing through the second threaded hole 32 and the first threaded hole 15, the mounting seat 3 is further provided with a second thimble hole 31 corresponding to the first thimble hole 141, and the base 1 can be fixed by sequentially inserting the thimble of the external polishing equipment into the second thimble hole 31 and the first thimble hole 141.

[0043] Further, when polishing some large size workpieces, the centrifugal force during rotation will be larger, in order to avoid the base 1 from being separated during rotation, the mounting seat 3 can be mounted on one side of the base 1 provided with the first needle hole 141 through bolts, and the second needle hole 31 is arranged, so that the needle of the external polishing equipment can be inserted into the second needle hole 31 and the first needle hole 141 in sequence, and the depth of the needle of the external polishing equipment inserted is deepened.

[0044] More preferably, the base 1 is further provided with a plurality of liquid adding openings 16. The polishing liquid is added from the side of the workpiece and the liquid adding opening 16, and the polishing liquid 16 of the liquid adding opening 16 flows down from the position of the groove 13 and then to the workpiece, so that the polishing effect during polishing can be ensured.

[0045] The above is only the preferred embodiment of the present application, it should be pointed out that, for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements or deformation, these improvements or deformation should also be considered as the protection scope of the present application.

Claims

1. A split-type polishing fixture, comprising a base and a fixing component, characterized in that, One side of the base is provided with a fixing part for connecting to an external polishing device, and the other side is provided with a groove for accommodating a workpiece; the fixing member is detachably fixed in the groove; the fixing member is provided with a fixing hole, and the fixing hole and the groove cooperate to form a fixing cavity for inserting and fixing the workpiece; when the workpiece is placed in the fixing cavity, the upper surface of the workpiece protrudes out of the fixing cavity.

2. The split-type polishing fixture according to claim 1, characterized in that, The base includes a disc body and an annular protrusion disposed on one side of the disc body. The annular protrusion and the disc body form a groove, and the fixing member is detachably connected to the annular protrusion.

3. A split-type polishing fixture according to claim 2, characterized in that, The outer wall of the fastener is provided with multiple connecting posts, and the annular protrusion is provided with multiple fixing grooves. The connecting posts are used to be embedded in the fixing grooves so that the fastener is fixed in the grooves in a separable manner.

4. A split-type polishing fixture according to claim 1, characterized in that, The inner wall of the fixing hole is provided with receiving grooves that correspond one-to-one with the corners of the workpiece, and the receiving grooves are used to accommodate the corners of the workpiece.

5. A split-type polishing fixture according to claim 4, characterized in that, The workpiece includes a main component and an accessory. The fixing holes include a first fixing hole and a second fixing hole. The first fixing hole corresponds to the main component, and the second fixing hole corresponds to the accessory. The receiving groove includes a first receiving groove located in the first fixing hole and a second receiving groove located in the second fixing hole.

6. A split-type polishing fixture according to claim 5, characterized in that, There are two second fixing holes, which are located on both sides of the first fixing hole.

7. A split-type polishing fixture according to claim 1, characterized in that, The fixing part is the first pin hole, and the base is fixed by inserting the pin of the external polishing device into the first pin hole.

8. A split-type polishing fixture according to claim 7, characterized in that, It also includes a mounting base, which has a first threaded hole and a second threaded hole. The mounting base is connected to the side of the base with a first ejector hole by bolts passing through the second threaded hole and the first threaded hole. The mounting base also has a second ejector hole corresponding to the first ejector hole. The ejector pin of the external polishing equipment can fix the base by sequentially inserting it into the second ejector hole and the first ejector hole.

9. A split-type polishing fixture according to claim 1, characterized in that, The base is also equipped with multiple liquid filling ports.

10. A split-type polishing fixture according to claim 1, characterized in that, The fixing hole matches the shape of the workpiece.

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