CN213470663U - Sample grinding auxiliary device - Google Patents

Abstract

The utility model discloses a flat auxiliary device of mill of appearance spare, include: the sample piece to be polished is abutted between the first clamping surface and the second clamping surface in a working state; the first clamping assembly is provided with a first hole body and a second hole body, the second clamping assembly is provided with a third hole body and a fourth hole body, the first clamping assembly, the second clamping assembly, the first vertical bolt and the second vertical bolt are assembled into a structure similar to a Chinese character '#', and the distance between the first clamping assembly and the second clamping assembly can be adjusted; the first vertical bolt is provided with a fifth hole body, the second vertical bolt is provided with a sixth hole body, the first side screw is inserted into the fifth hole body, the second side screw is inserted into the sixth hole body, and the sample piece to be polished is clamped between the first side screw and the second side screw.

Description

Sample grinding auxiliary device

Technical Field

The utility model relates to a mold design technical field especially relates to flat auxiliary device of mill of appearance spare.

Background

The common molding methods for polymer materials mainly include: extrusion molding, injection molding, etc., Polytetrafluoroethylene (PTFE), which is a polymer with a relatively large molecular weight and high crystallinity, cannot be molded by the above molding method. PTFE adopts a more special forming method: cold pressing and sintering, but has a problem that the processing after molding is difficult compared with other polymer materials. The PTFE material is formed into a blank after cold pressing and sintering, large blanks (such as bars and plates) can be further machined, but small blanks cannot be clamped by a machine tool clamp easily due to small size, and are difficult to machine.

In the subsequent processing of small blank pieces, the biggest difficulty is the smoothing of the sample piece, the manual processing is difficult to accurately hold the level, and the sample is easily over-ground during the smoothing process on a grinding wheel or sand paper because the hardness of PTFE material is much lower than that of metal.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a sample smoothing auxiliary device for solving the problem that it is difficult to smooth small blank pieces, particularly, materials having low hardness.

A sample smoothing aid comprising:

the sample polishing device comprises a first clamping assembly, a second clamping assembly, a first side screw, a second side screw, a first vertical bolt and a second vertical bolt, wherein the first clamping assembly and the second clamping assembly are oppositely arranged, the first clamping assembly is provided with a first clamping surface, the second clamping assembly is provided with a second clamping surface, and a sample to be polished is abutted between the first clamping surface and the second clamping surface in a working state;

the first clamping assembly is provided with a first hole body and a second hole body, the second clamping assembly is provided with a third hole body and a fourth hole body, the first vertical bolt is inserted into the first hole body and the third hole body along the opposite direction, the second vertical bolt is inserted into the second hole body and the fourth hole body along the opposite direction, the first clamping assembly, the second clamping assembly, the first vertical bolt and the second vertical bolt are assembled into a structure similar to a shape like a Chinese character '#', and the distance between the first clamping assembly and the second clamping assembly can be adjusted;

the first vertical bolt comprises a first segment, the first segment is located between the first clamping assembly and the second clamping assembly, a fifth hole body is arranged on the first segment, the second vertical bolt comprises a second segment, the second segment is located between the first clamping assembly and the second clamping assembly, a sixth hole body is arranged on the second segment, the first side screw is inserted into the fifth hole body, the second side screw is inserted into the sixth hole body, and a sample piece to be polished is clamped between the first side screw and the second side screw.

In one embodiment, the polishing device comprises a first shape compensation component, wherein the first shape compensation component is abutted between the first side screw and the sample piece to be polished, and in the abutting position, the surface shape of the first shape compensation component is matched with the surface shape of the first side screw and the surface shape of the sample piece to be polished respectively.

In one embodiment, the polishing device comprises a second shape compensation component, wherein the second shape compensation component is abutted between the second side screw and the sample piece to be polished, and in the abutting position, the surface shape of the second shape compensation component is matched with the surface shape of the second side screw and the surface shape of the sample piece to be polished respectively.

In one embodiment, the polishing device comprises a third shape compensation component, wherein the third shape compensation component is abutted between the first clamping component and the sample piece to be polished, and in the abutting position, the surface shape of the third shape compensation component is respectively matched with the surface shape of the first clamping surface and the surface shape of the sample piece to be polished.

In one embodiment, the polishing device comprises a fourth shape compensation component, wherein the fourth shape compensation component is abutted between the second clamping component and the sample piece to be polished, and in the abutting position, the surface shape of the fourth shape compensation component is respectively matched with the surface shape of the second clamping surface and the surface shape of the sample piece to be polished.

In one embodiment, a first groove is arranged on the first clamping surface and is arranged between the first hole body and the second hole body; and/or a second groove is arranged on the second clamping surface and is arranged between the third hole body and the fourth hole body.

In one embodiment, the inner side surfaces of the first and second hole bodies have internal threads, and the inner side surfaces of the third and fourth hole bodies have smooth surfaces or have internal threads.

In one embodiment, the first vertical bolt is composed of a head part and a shaft part, the shaft part is composed of an unthreaded part and a threaded part, and the head part, the unthreaded part and the threaded part are connected in sequence; and/or the second vertical bolt consists of a head part and a rod part, the rod part consists of a non-threaded section and a threaded section, and the head part, the non-threaded section and the threaded section are sequentially connected.

In one embodiment, the non-threaded section has a rectangular parallelepiped shape, and the inner side surfaces of the third and fourth bores have smooth surfaces.

In one embodiment, the fifth bore and/or the sixth bore is provided in the unthreaded section.

The utility model provides a grind flat auxiliary device is used for the fixed sample spare of waiting to polish, waits to polish the sample spare centre gripping between grinding flat auxiliary device's first centre gripping subassembly and second centre gripping subassembly. The auxiliary grinding device has a fixing function, so that an operator can directly clamp the sample piece with the auxiliary grinding device to grind when grinding the sample piece manually or by using a grinding machine, the sample piece does not need to be ground by holding the sample piece by hand, the auxiliary grinding device can be held by hand to grind, and the operation is more convenient; also avoid directly putting into the machine of polishing with the sample, avoided the sample at the in-process of polishing along with the effect of wind-force, cutting force random rotation, displacement etc. adopt this mill flat auxiliary device centre gripping sample can make the position of polishing of sample fixed through the position of control mill flat auxiliary device, avoid the process of polishing to produce secondary damage to the sample.

The auxiliary device for grinding is particularly suitable for grinding small blank pieces and special materials. The hardness of the PTFE material is much lower than that of metal, the surface is easy to damage in the polishing process, the polishing process can be flexibly and accurately controlled by adopting the polishing auxiliary device, and the polishing precision and the polishing flatness are improved. Compared with the traditional method, the grinding auxiliary device has the advantages that the grinding precision of the PTFE material reprocessing, especially the grinding precision of the PTFE small blank piece is improved obviously.

Drawings

Fig. 1 is a schematic structural view of a leveling assisting device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a sample to be polished according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first clamping assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a second clamping assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first vertical bolt according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a sample to be polished according to another embodiment of the present invention;

fig. 7 is a schematic structural view of a leveling assisting device according to another embodiment of the present invention;

fig. 8 is a schematic structural view of a first clamping assembly according to another embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a sample polishing assisting device, including:

the sample polishing device comprises a first clamping assembly, a second clamping assembly, a first side screw 500, a second side screw 600, a first vertical bolt 300 and a second vertical bolt 400, wherein the first clamping assembly 100 and the second clamping assembly 200 are oppositely arranged, the first clamping assembly 100 is provided with a first clamping surface 110, the second clamping assembly 200 is provided with a second clamping surface 210, and a sample to be polished 10 is abutted between the first clamping surface 110 and the second clamping surface 210 in a working state;

the first clamping assembly 100 is provided with a first hole body 120 and a second hole body 130, the second clamping assembly 200 is provided with a third hole body 220 and a fourth hole body 230, the first vertical bolt 300 is inserted into the first hole body 120 and the third hole body 220 along the opposite direction, the second vertical bolt 400 is inserted into the second hole body 130 and the fourth hole body 230 along the opposite direction, the first clamping assembly, the second clamping assembly, the first vertical bolt 300 and the second vertical bolt 400 are assembled into a structure similar to a shape like a Chinese character '#', and the distance between the first clamping assembly 100 and the second clamping assembly 200 can be adjusted;

the first vertical bolt 300 comprises a first segment, the first segment is located between the first clamping assembly 100 and the second clamping assembly 200, a fifth hole body 310 is arranged on the first segment, the second vertical bolt 400 comprises a second segment, the second segment is located between the first clamping assembly 100 and the second clamping assembly 200, a sixth hole body 410 is arranged on the second segment, the first side screw 500 is inserted into the fifth hole body 310, the second side screw 600 is inserted into the sixth hole body 410, and the sample piece to be polished 10 is clamped between the first side screw 500 and the second side screw 600.

The utility model provides a grind flat auxiliary device is used for the fixed sample 10 of waiting to polish, waits to polish sample 10 centre gripping between grinding flat auxiliary device's first centre gripping subassembly 100 and second centre gripping subassembly 200. The auxiliary grinding device has a fixing function, so that an operator can directly clamp the sample piece with the auxiliary grinding device to grind when grinding the sample piece manually or by using a grinding machine, the sample piece does not need to be ground by holding the sample piece by hand, the auxiliary grinding device can be held by hand to grind, and the operation is more convenient; also avoid directly putting into the machine of polishing with the sample, avoided the sample at the in-process of polishing along with the effect of wind-force, cutting force random rotation, displacement etc to adopt this mill to put down auxiliary device centre gripping sample and can make the position of polishing of sample fixed through the position of control mill to put down auxiliary device, avoid the process of polishing to produce secondary damage to the sample.

The auxiliary device for grinding is particularly suitable for grinding small blank pieces. The hardness of the PTFE material is much lower than that of metal, the surface is easy to damage in the polishing process, the polishing process can be flexibly and accurately controlled by adopting the polishing auxiliary device, and the polishing precision and the polishing flatness are improved. Compared with the traditional method, the grinding auxiliary device has the advantages that the grinding precision of the PTFE material reprocessing, especially the grinding precision of the PTFE small blank piece is improved obviously.

In some embodiments, the first vertical bolt 300 passes through the second clamping assembly 200, the first clamping assembly 100, and is fixed to the smoothing aid by a first nut. The first vertical bolt 300 is composed of a head 320 and a shaft 340. The rod part 340 is provided with an external thread, and the first nut is matched with the external thread. The distance between first clamping assembly 100 and second clamping assembly 200 is adjusted by adjusting the position at which the first nut is secured to rod portion 340. The distance between the first clamping assembly 100 and the second clamping assembly 200 is determined according to the length of the sample 10 to be polished, and basically, the upper end and the lower end of the sample 10 to be polished are respectively abutted against the first clamping surface 110 of the first clamping assembly 100 and the second clamping surface 210 of the second clamping assembly 200, so that the upper and lower positions of the sample 10 to be polished are fixed with the polishing auxiliary device. The same principle as the first vertical bolt 300 is used to fix the position of the sample 10 to be polished. The first and second vertical bolts 300 and 400 are fixed at both ends of the first and second clamping assemblies 100 and 200, thereby forming a "#" like structure. The structure similar to the shape of the #' comprises two transverse components and two vertical components, wherein the transverse components are combined with the vertical components in a crossed manner, the two transverse components are not crossed, and the two vertical components are not crossed. The first and second clamping assemblies 100 and 200 are "horizontal" assemblies, and the first and second vertical bolts 300 and 400 are "vertical" assemblies. It should be noted that, according to the different appearances of the sample pieces to be polished, the four internal angles of the # -like structure are not fixed and can be any angle, as long as the cross combination of the horizontal components and the vertical components, the non-cross of the two horizontal components and the non-cross of the two vertical components are ensured. Similarly, two horizontal components of the structure similar to the shape of the "#" can be parallel or unparallel, and two vertical components can be parallel or unparallel.

Four intersections of the "#" shaped structure are respectively a first connection point of the first vertical bolt 300 and the first clamping assembly 100, a second connection point of the second vertical bolt 400 and the first clamping assembly 100, a third connection point of the first vertical bolt 300 and the second clamping assembly 200, and a fourth connection point of the second vertical bolt 400 and the second clamping assembly 200. The space formed by the connection and the surrounding of the four connecting points is a containing area of the sample to be ground. The first side screw 500 is fixed between the first connection point and the third connection point, and the second side screw 600 is fixed between the second connection point and the fourth connection point. The distance between the end of the screw of the first side screw 500 and the end of the screw of the second side screw 600 is determined according to the width of the sample 10 to be polished, and basically, the left end and the right end of the sample 10 to be polished are respectively abutted against the ends of the screws of the first side screw 500 and the second side screw 600. Like this, treat that the upper surface, the lower surface, the left surface, the right surface of flat sample spare are contradicted with the screw rod tip of this first clamping surface 110, the second clamping surface 210, the first side screw 500 of flat auxiliary device of grinding respectively, the screw rod tip of second side screw 600, can fix the sample spare 10 of treating to polish on this flat auxiliary device basically, will treat that the sample spare 10 of polishing is fixed on this flat auxiliary device after, treat that the front surface and the rear surface of the sample spare 10 of polishing are polished.

In some embodiments, along the length of the shaft portion 340 of the first vertical bolt 300, a portion of the shaft portion 340 is clamped between the first clamping assembly 100 and the second clamping assembly 200, and another portion of the shaft portion 340 extends out of the first clamping assembly 100, so that the portion of the shaft portion 340 extending out of the first clamping assembly 100 can be held by hand to perform a manual or machine grinding operation on the sample workpiece 10 to be ground. In some embodiments, the length of the rod portion 340 extending out of the first clamping assembly 100 is 30% to 60% of the total length of the rod portion 340.

Referring to fig. 3-5, in some embodiments, the shaft portion 340 of the first vertical bolt 300 is composed of an unthreaded portion 342 and a threaded portion 344, and the head portion 320, the unthreaded portion 342 and the threaded portion 344 are connected in sequence. The second vertical bolt 400 is composed of a head and a shaft. Optionally, the shank is composed of an unthreaded section and a threaded section, and the head, the unthreaded section and the threaded section are connected in sequence. The threaded section 344 is cylindrical and the unthreaded section 342 may be square or cylindrical. In some embodiments, the fifth bore 310 and/or the sixth bore 410 are provided in the non-threaded section. Preferably, the non-threaded section is rectangular parallelepiped shaped, so that the outer wall of the hole structure after punching is more supportive. Preferably, the third hole 220 and the fourth hole 230 are also rectangular parallelepiped holes. In some embodiments, the inner side surfaces of the first and second bores 120, 130 have internal threads that mate with the threaded section 344 of the first vertical bolt 300. In some embodiments, the inner sides of the third and fourth bore bodies 220, 230 are smooth surfaces or have internal threads. Preferably, the inner side surfaces of the third and fourth hole bodies 220 and 230 are smooth surfaces, which is more favorable for the first or second vertical bolt 300 or 400 to penetrate into the hole bodies. Preferably, the first vertical bolt 300 has an outside diameter of the non-threaded section greater than that of the threaded section, the third bore 220 has a diameter equal to that of the non-threaded section, and the first bore 120 has a bore diameter equal to that of the threaded section. The second vertical bolt 400 may have the same structure as the first vertical bolt 300.

The sample 10 to be polished is easily matched with the first clamping surface 110, the second clamping surface 210, the first side screw 500 and the second side screw 600 if it is substantially rectangular parallelepiped or square. Referring to fig. 6, if the sample 10 to be polished has an irregular shape, such as a bevel, a wavy surface, or a cone. The shapes of the first clamping surface, the second clamping surface 210, the first side screw 500, and the second side screw 600 are not matched with the shape of the sample 10 to be polished, the contact area is too small, and the contact force is too weak, so that the sample 10 to be polished is easy to miss from the polishing auxiliary device. Therefore, the scheme of adding the shape compensation component is further provided, and the shape compensation component is used for supplementing the gaps between the sample piece 10 to be polished and the first clamping surface 110, the second clamping surface 210, the first side screw 500 and the second side screw 600, so that the surface area of the sample piece to be polished is larger as much as possible.

Referring to fig. 7, in some embodiments, a first shape compensation element 710 is included, the first shape compensation element 710 abuts between the first side screw 500 and the sample to be polished 10, and in the abutting position, the surface shape of the first shape compensation element 710 is respectively matched with the surface shape of the first side screw 500 and the surface shape of the sample to be polished 10.

In some embodiments, a second shape compensation component 720 is included, the second shape compensation component 720 is abutted between the second side screw 600 and the sample 10 to be polished, and in the abutting position, the surface shape of the second shape compensation component 720 is matched with the surface shape of the second side screw 600 and the surface shape of the sample 10 to be polished respectively. The first compensation component or the second compensation component may be an elastic material, and the elastic material has a certain elasticity, and can protect the contact portion of the sample piece 10 to be polished from being worn, for example, a rubber material.

In some embodiments, a third shape compensation element (not shown) is included, which abuts between the first clamping element 100 and the sample to be polished 10, and in the abutting position, the surface shape of the third shape compensation element matches with the surface shape of the first clamping element 100 and the surface shape of the sample to be polished 10, respectively.

In some embodiments, a fourth shape compensation member 740 is included, the fourth shape compensation member 740 abuts between the second clamping member 200 and the sample to be polished 10, and in the abutting position, the surface shape of the fourth shape compensation member 740 is matched with the surface shape of the second clamping member 200 and the surface shape of the sample to be polished 10.

Referring to fig. 8, in some embodiments, a first groove 140 is formed on the first clamping surface 110, and the first groove 140 is formed between the first hole 120 and the second hole 130. The embodiment is suitable for the case that the sample 10 to be polished has a protruding structure, and if the first clamping surface 110 is a plane, the contact area between the protruding structure and the first clamping surface 110 is only at the protruding point, and the contact area is small. Through setting up the recess at first clamping face 110, the protruding structure matches each other with first recess 140, and according to this, treat that the protruding structure of polishing appearance 10 can imbed in first recess 140, is showing to have increased the conflict area of treating polishing appearance 10 and first clamping face 110, improves the fixed power of treating polishing appearance 10.

Referring to fig. 7, in some embodiments, a second groove 240 is formed on the second clamping surface 210, and the second groove 240 is formed between the third hole 220 and the fourth hole 230. Similarly, the present embodiment is also applicable to the case where the sample 10 to be polished has a protruding structure.

The shapes of the first and second grooves 140 and 240 may be tapered or cone-like, respectively. The first clamping surface 110 may have a plurality of first grooves 140, which are suitable for a case where a plurality of protruding structures are formed on one edge of the sample 10 to be polished. The shape and size of the first grooves 140 may be the same or different, and are determined according to the shape of the sample 10 to be polished. Similarly, a plurality of second grooves 240 may be formed on the second clamping surface 210.

Before clamping the sample 10 to be polished, the first shape compensation element 710, the second shape compensation element 720, the third shape compensation element or the fourth shape compensation element 740 may be fixed on the end of the first side screw 500, the end of the second side screw 600, the first clamping surface 110 and the second clamping surface 210, respectively. Specifically, the fixing may be performed by mechanical fixing or by an adhesive.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A sample grinding auxiliary device is characterized by comprising:

the sample polishing device comprises a first clamping assembly, a second clamping assembly, a first side screw, a second side screw, a first vertical bolt and a second vertical bolt, wherein the first clamping assembly and the second clamping assembly are oppositely arranged, the first clamping assembly is provided with a first clamping surface, the second clamping assembly is provided with a second clamping surface, and a sample to be polished is abutted between the first clamping surface and the second clamping surface in a working state;

the first clamping assembly is provided with a first hole body and a second hole body, the second clamping assembly is provided with a third hole body and a fourth hole body, the first vertical bolt is inserted into the first hole body and the third hole body along the opposite direction, the second vertical bolt is inserted into the second hole body and the fourth hole body along the opposite direction, the first clamping assembly, the second clamping assembly, the first vertical bolt and the second vertical bolt are assembled into a structure similar to a shape like a Chinese character '#', and the distance between the first clamping assembly and the second clamping assembly can be adjusted;

the first vertical bolt comprises a first segment, the first segment is located between the first clamping assembly and the second clamping assembly, a fifth hole body is arranged on the first segment, the second vertical bolt comprises a second segment, the second segment is located between the first clamping assembly and the second clamping assembly, a sixth hole body is arranged on the second segment, the first side screw is inserted into the fifth hole body, the second side screw is inserted into the sixth hole body, and a sample piece to be polished is clamped between the first side screw and the second side screw.

2. The sample polishing auxiliary device according to claim 1, comprising a first shape compensation member, wherein the first shape compensation member abuts between the first side screw and the sample to be polished, and in the abutting position, the surface shape of the first shape compensation member is matched with the surface shape of the first side screw and the surface shape of the sample to be polished.

3. The sample polishing auxiliary device according to claim 1, comprising a second shape compensation member, wherein the second shape compensation member abuts between the second side screw and the sample to be polished, and in the abutting position, the surface shape of the second shape compensation member is matched with the surface shape of the second side screw and the surface shape of the sample to be polished.

4. A sample polishing auxiliary device according to claim 1, comprising a third shape compensation member, wherein the third shape compensation member abuts between the first clamping member and the sample to be polished, and in the abutting position, the surface shape of the third shape compensation member is matched with the surface shape of the first clamping surface and the surface shape of the sample to be polished.

5. A sample polishing auxiliary device according to claim 1, comprising a fourth shape compensation member, wherein the fourth shape compensation member abuts between the second clamping member and the sample to be polished, and in the abutting position, the surface shape of the fourth shape compensation member is matched with the surface shape of the second clamping surface and the surface shape of the sample to be polished.

6. The sample grinding assisting device according to claim 1, wherein a first groove is provided on the first clamping surface, and the first groove is provided between the first hole body and the second hole body; and/or a second groove is arranged on the second clamping surface and is arranged between the third hole body and the fourth hole body.

7. The sample polishing auxiliary device according to claim 1, wherein the inner side surfaces of the first and second porous bodies have internal threads, and the inner side surfaces of the third and fourth porous bodies have smooth surfaces or have internal threads.

8. The sample grinding assisting device of claim 7, wherein the first vertical bolt is composed of a head part and a rod part, the rod part is composed of a non-threaded section and a threaded section, and the head part, the non-threaded section and the threaded section are connected in sequence; and/or the second vertical bolt consists of a head part and a rod part, the rod part consists of a non-threaded section and a threaded section, and the head part, the non-threaded section and the threaded section are sequentially connected.

9. A sample smoothing aid according to claim 8, wherein the unthreaded section is rectangular parallelepiped and the inner side surfaces of the third and fourth bores are smooth surfaces.

10. A sample smoothing aid as claimed in claim 9, wherein the fifth and/or sixth apertures are provided in the non-threaded section.

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