Auxiliary tool for grinding through device

Abstract

According to the technical scheme, a limiting sleeve and a spring are ingeniously arranged on a cover plate, and the spring abuts against the other end of a through device to be ground penetrating through a penetrating through hole in a base plate or a connecting sleeve connected with the through device, so that the through device can be ground in batches in an auxiliary mode through the tool. When the penetrating device is subjected to reverse acting force of a grinding disc of the optical fiber grinding machine, the spring is compressed to a certain degree, so that the penetrating device can better adapt to the grinding strength of the grinding disc, and the situation that in a traditional scheme, the penetrating device is directly fixed to a cover plate, and consequently batch grinding is not needed is avoided. And meanwhile, by means of the tool, the grinding stability and the grinding treatment effect of the penetrating device are improved.

Description

Technical Field

[0001] The utility model relates to the field of optical fiber grinding auxiliary tools, in particular to a through-hole grinding auxiliary tooling. Background Art

[0002] As an important adapter component between the internal fiber optic sensor probe and the external adapter fiber of the oil-immersed transformer, the communication reliability of the through-hole directly affects the stability and accuracy of signal transmission. The structures of the through-holes currently sold on the market and disclosed in the literature are roughly the same, such as Chinese patent applications CN202323059784.9 and CN201920123183.4. In order to improve the working reliability of the through-hole, it is often necessary to grind the ends of the casing at both ends of the through-hole core before installation, so that the end of the optical fiber inserted in the casing has better accuracy and stability, providing a better hardware foundation for optical fiber communication. Currently, a large number of equipment that can be used for end face grinding of through-holes or optical fiber components are also disclosed on the market and in public literature, such as Chinese applications CN202321661969.4, CN202320183246.1CN202123221327.6, etc., and many of these optical fiber grinders are used. The through-hole or optical fiber to be ground is fixed by a fixture, and then the end of the optical fiber is ground by the grinding disc (with grinding paper) on the grinder. Traditional grinding auxiliary tooling mostly directly fixes the through-hole or optical fiber. During batch grinding, since the length of the through-hole or optical fiber extending out of the tooling is not exactly the same, the contact force between it and the grinding paper on the grinding disc is different. In addition, the through-hole or optical fiber is fixed, so during grinding, the force strength on the surface of the grinding paper is also different. Therefore, during grinding, the grinding paper may be damaged or other obvious damage may occur due to excessive contact force between the local grinding paper and the through-hole. Therefore, how to adaptively adjust the position of the through-hole according to the contact force between the through-hole and the grinding paper during batch grinding to provide reliable and stable state maintenance for the contact between the through-hole and the grinder is a research topic with very positive and practical significance. Summary of the invention

[0003] In view of this, the purpose of the utility model is to provide a through-hole grinding auxiliary tooling which has a simple structure, reliable implementation and flexible application, and can adaptively adjust the through-hole position according to the contact force between the through-hole and the grinder.

[0004] In order to achieve the above technical objectives, the technical solution adopted by the utility model is:

[0005] A through-hole grinding auxiliary tool is used for an optical fiber grinding machine and assists in the grinding of an optical fiber at the end of the through-hole. The main body of the through-hole is a tubular structure, and an external thread is provided on its outer peripheral side. Both ends of the through-hole are provided with sleeves. An optical fiber is inserted into the through-hole, and the two ends of the optical fiber extend to the sleeve ends at both ends of the through-hole respectively. The tool comprises:

[0006] There are more than one connecting sleeves, and they correspond to the through-holes to be ground one by one. The inner circumference of the connecting sleeve is provided with an internal thread, and is used to be threadedly sleeved on the outer circumference of the through-hole, and the sleeves at both ends of the through-hole are exposed outside the connecting sleeve;

[0007] The base is a plate-like structure, on which a through hole is provided that is adapted to the diameter of the sleeve of the through-hole, and the number of the through hole is at least one. When the sleeve at the end of the through-hole is passed through the through hole from one end face of the base, the end thereof is exposed on the other end face of the base;

[0008] A cover plate is relatively fixedly arranged above the base and is detachably connected to the base through a connecting assembly, and a restraining sleeve is provided on the end surface of the cover plate opposite to the base and directly facing the through holes one by one;

[0009] A spring, the number of which corresponds to the constraint sleeve on the cover plate, one end of which is fixed in the constraint sleeve, and the other end of which is used to resist the upper part of the through-hole penetrated on the penetration hole or the connecting sleeve threadedly sleeved on the through-hole, so as to apply a downward elastic force to the through-hole.

[0010] As a possible implementation mode, further, when the other end of the spring described in this scheme abuts against the upper part of the through-hole passed through the through-hole or the connecting sleeve threadedly mounted on the through-hole, the sleeve portion at the upper end of the through-hole passes into the restraint sleeve.

[0011] As a possible implementation, further, the outer peripheral side of the through-hole described in this solution is provided with an annular step portion;

[0012] The connecting sleeve is threadedly sleeved on the outer circumference of the through-hole by one end of the through-hole, and when the sleeve at one end of the through-hole is inserted into the through-hole by one end surface of the base, the other end of the spring is inserted into the through-hole by the other end of the through-hole and abuts against the annular step portion;

[0013] When the sleeve at the other end of the through-hole is inserted into the through-hole from one end surface of the base, the other end of the spring is inserted into the through-hole from one end of the through-hole and abuts against the connecting sleeve.

[0014] As a possible implementation, further, the connection component in this solution includes a connection post and a nut. There are two pairs of connection posts, which are arranged opposite to each other at the corners of the upper end surface of the base. The lower end of the connection post is fixedly connected to the base. A threaded rod is provided on the upper part of the connection post, and the outer diameter of the threaded rod is smaller than the outer diameter of the main body of the connection post. The cover plate is provided with a mounting hole corresponding to the threaded rod of the connection post. The inner diameter of the mounting hole is larger than the outer diameter of the threaded rod and smaller than the outer diameter of the main body of the connection post. The number of nuts corresponds to the connection posts one by one. When the cover plate passes through the threaded rod through the mounting hole and overlaps on the connection post, the nut is screwed onto the threaded rod to detachably fix the cover plate above the base.

[0015] As a possible implementation, further, there are multiple through holes on the base in this solution, which are divided into at least one group, and the number of each group is multiple. The multiple through holes in each group are arranged in a circular array on the base, and the through holes arranged in a circular array in each group are concentric.

[0016] As a possible implementation, further, through windows penetrating the upper and lower end surfaces are provided in the middle of the base and the cover plate in this solution.

[0017] As a possible implementation, further, positioning grooves for cooperating with external jigs are provided at the corners of the upper end surface of the base in this solution.

[0018] As a possible implementation, further, the base and the cover plate are both metal plates in this solution.

[0019] Adopting the above technical solution, compared with the prior art, the beneficial effects of the present utility model are as follows: By skillfully setting a limit sleeve and a spring on the cover plate in this solution, and the spring abuts against the other end of the penetrator to be ground or the connection sleeve connected to the penetrator passing through the through hole on the substrate, when the tooling batch-grinds the penetrator, when the penetrator receives the reverse force of the grinding disc of the optical fiber grinding machine, the spring is compressed to a certain extent, so that the penetrator can better adapt to the grinding intensity of the grinding disc, avoiding the risk of damage to the grinding disc or the grinding paper on the grinding disc during batch grinding in the traditional solution when the penetrator is directly fixed on the cover plate. At the same time, the tooling in this solution also improves the stability and grinding treatment effect of penetrator grinding. Description of the Drawings

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 It is one of the schematic three-dimensional views of the brief implementation structure when the tooling of this solution is loaded into the grinder;

[0022] Figure 2 It is the second of the schematic three-dimensional views of the brief implementation structure when the tooling of this solution is loaded into the grinder;

[0023] Figure 3 It is the first of the schematic three-dimensional views of the exploded partial structure of the brief implementation structure when the tooling of this solution is loaded into the grinder;

[0024] Figure 4 It is the second of the schematic three-dimensional views of the exploded partial structure of the brief implementation structure when the tooling of this solution is loaded into the grinder;

[0025] Figure 5 It is the sectional view and enlarged view of the partial structure when the tooling of this solution is loaded into the grinder;

[0026] Figure 6 It is the first of the schematic exploded views of the implementation structures of components such as the substrate and base of the tooling of this solution, where the connecting sleeve is not shown;

[0027] Figure 7 It is the second of the schematic exploded views of the implementation structures of components such as the substrate and base of the tooling of this solution, where the connecting sleeve is not shown. Detailed implementation manners

[0028] The following will further describe the present invention in detail in combination with the drawings and embodiments. It should be specifically noted that the following embodiments are only used to illustrate the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only partial embodiments of the present invention rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0029] Such as Figures 1 to 7As shown in one of the figures, the present embodiment provides a through-hole grinding auxiliary tool, which is used in an optical fiber grinding machine and assists in the grinding of the optical fiber at the end of the through-hole 1. The main body of the through-hole 1 is a tubular structure, and an external thread 11 is provided on its outer peripheral side. Both ends of the through-hole 1 are provided with a sleeve 12, and an optical fiber 14 is inserted into the through-hole 1. The two ends of the optical fiber 14 extend to the ends of the sleeve 12 at both ends of the through-hole 1 (focus on reference Figures 2 to 4 ); the tooling comprises:

[0030] There are more than one connecting sleeve 2, and they correspond one to one with the through-holes 1 to be ground. The inner circumference of the connecting sleeve 2 is provided with an internal thread, and is used to be threadedly sleeved on the outer circumference of the through-hole 1. The sleeves 12 at both ends of the through-hole 1 are exposed outside the connecting sleeve 2;

[0031] The base 3 is a plate-like structure, on which a through hole 31 is provided which is adapted to the diameter of the sleeve 12 of the through-hole 1. The number of the through hole 31 is at least one. When the sleeve 12 at the end of the through-hole 1 is passed through the through hole 31 from one end surface of the base 3, the end thereof is exposed at the other end surface of the base 3.

[0032] A cover plate 4 is relatively fixedly arranged above the base 3 and is detachably connected to the base 3 via a connecting assembly 5. A restraining sleeve 6 is provided on the end surface of the cover plate 4 opposite to the base 3 and is directly opposite to the through holes 31.

[0033] The number of springs 7 corresponds one-to-one to the restraint sleeves 6 on the cover plate 4, one end of which is fixed in the restraint sleeve 6, and the other end of which is used to resist the upper part of the through-hole 1 penetrated on the penetration hole 31 or the connecting sleeve 2 threadedly sleeved on the through-hole 1, so as to apply a downward elastic force to the through-hole 1.

[0034] Among them, when the other end of the spring 7 described in this scheme abuts against the upper part of the through-hole 1 penetrated on the penetration hole 31 or the connecting sleeve 2 threadedly sleeved on the through-hole 1, the sleeve 12 at the upper end of the through-hole 1 partially penetrates into the restraint sleeve 6.

[0035] As a possible implementation of the through-hole 1, further, an annular step portion 13 is provided on the outer peripheral side of the through-hole 1 described in this solution.

[0036] On the basis of this structure, the connecting sleeve 2 described in this scheme is threadedly sleeved on the outer peripheral side of the through-hole 1 by one end of the through-hole 1, and when the sleeve 12 at one end of the through-hole 1 is passed through the through-hole 31 by one end face of the base 3, the other end of the spring 7 is inserted into the through-hole 1 by the other end of the through-hole 1 and abuts against the annular step 13.

[0037] In addition, when the sleeve 12 at the other end of the penetrator 1 is inserted through the end face of the base 1 onto the through hole 31, the other end of the spring 7 is sleeved into the penetrator 1 from one end of the penetrator 1 and abuts against the connecting sleeve 2.

[0038] As a possible implementation manner, further, the connection assembly 5 of the present solution includes a connection post 51 and a nut 52. There are two pairs of the connection posts 51, and they are arranged opposite to each other at the corners of the upper end face of the base 3. The lower end of the connection post 51 is fixedly connected to the base 3. The upper part of the connection post 51 is provided with a threaded rod 511, and the outer diameter of the threaded rod 511 is smaller than the outer diameter of the main body of the connection post 51; the cover plate 4 is provided with a mounting hole 41 corresponding to the threaded rod 511 of the connection post 51. The inner diameter of the mounting hole 41 is larger than the outer diameter of the threaded rod 511 and smaller than the outer diameter of the main body of the connection post 51; the number of the nuts 52 corresponds to the connection posts 51 one by one; when the operator installs the penetrators 1 to be ground on the connection sleeves 2 and inserts the penetrators 1 with the connection sleeves 2 into the through holes 31, the cover plate 4 can be passed through the threaded rod 511 through the mounting hole 41 and lapped on the connection post 51, and then the nut 52 is screwed onto the threaded rod 511 to detachably fix the cover plate 4 above the base 3, so as to realize the installation of the penetrators 1 to be ground; at this time, the spring 7 corresponding to the through hole 31 into which the penetrator 1 is inserted will abut against the upper end of the penetrator 1, so that the penetrator 1 is elastically constrained on the substrate 3. When the penetrator grinding auxiliary device of the present solution is placed on the optical fiber grinding machine for grinding, the end of the sleeve 12 of the penetrator 1 passing through the base 3 is ground by the abrasive paper on the grinding disc, so as to realize the grinding of the end of the optical fiber 14 in the sleeve 12. If there are a batch of penetrators 1 on the tooling, since the lengths of the sleeves 12 passing through the base 3 are not necessarily exactly the same, after adjusting the relative height between the tooling and the grinding disc, the external force received by the penetrator 1 with the sleeve 12 protruding from the base 3 relatively long will be slightly larger. At this time, the spring 7 will be compressed due to the reaction force, so that the penetrator 1 can adapt to the abrasive paper on the grinding disc to a certain extent by compressing the spring 7, avoiding abnormal conditions such as directly scraping the abrasive paper.

[0039] In order to facilitate batch grinding, as a possible implementation manner, further, there are multiple through holes 31 on the base 3 of the present solution, which are divided into at least one group, and the number of each group is multiple. The multiple through holes 31 in each group are arranged in a circular array on the base 3, and the circular arrays of through holes 31 in each group are concentric. In this form, there will be no position interference between different penetrators 1 to be ground, and it is also convenient for the operator to count and pick up.

[0040] In order to facilitate weight reduction of the base 3 and the cover plate 4, and at the same time, when installing the tooling, observe the situation of the grinding disc of the grinding machine. As a possible implementation manner, further, through windows 32 and 42 penetrating the upper and lower end faces thereof are provided in the middle parts of the base 3 and the cover plate 4 of this solution; at the same time, the base 3 and the cover plate 4 of this solution are both metal plates.

[0041] In order to facilitate fixing the tooling of the grinding machine, as a possible implementation manner, further, positioning grooves 33 for cooperating with external jigs are provided at the corners of the upper end face of the base 3 of this solution.

[0042] The above are only some embodiments of the present utility model, and thus do not limit the protection scope of the present utility model. Any equivalent device or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A through-hole grinding auxiliary tool, used in an optical fiber grinding machine and assisting in the grinding of an optical fiber at the end of the through-hole, wherein the main body of the through-hole is a tubular structure, and an external thread is provided on its outer peripheral side, and sleeves are provided at both ends of the through-hole, and an optical fiber is inserted into the through-hole, and the two ends of the optical fiber extend to the ends of the sleeves at both ends of the through-hole respectively; characterized in that: The tooling comprises: There are more than one connecting sleeves, which correspond to the through-holes to be ground one by one. The inner circumference of the connecting sleeve is provided with an internal thread, and is used to be threadedly sleeved on the outer circumference of the through-hole. The sleeves at both ends of the through-hole are exposed outside the connecting sleeve; The base is a plate-like structure, on which a through hole is provided that is adapted to the diameter of the sleeve of the through-hole, and the number of the through hole is at least one. When the sleeve at the end of the through-hole is passed through the through hole from one end face of the base, the end thereof is exposed on the other end face of the base; A cover plate is relatively fixedly arranged above the base and is detachably connected to the base through a connecting assembly, and a restraining sleeve is provided on the end surface of the cover plate opposite to the base and directly facing the through holes one by one; A spring, the number of which corresponds to the constraint sleeve on the cover plate, one end of which is fixed in the constraint sleeve, and the other end of which is used to resist the upper part of the through-hole penetrated on the penetration hole or the connecting sleeve threadedly sleeved on the through-hole, so as to apply a downward elastic force to the through-hole.

2. The through-hole grinding auxiliary tooling according to claim 1, characterized in that: When the other end of the spring abuts against the upper part of the through-hole inserted in the through-hole or the connecting sleeve threadedly sleeved on the through-hole, the sleeve portion at the upper end of the through-hole penetrates into the restraint sleeve.

3. The through-hole grinding auxiliary tool as claimed in claim 1, characterized in that: The outer peripheral side of the through-hole is provided with an annular step portion; The connecting sleeve is threadedly sleeved on the outer peripheral side of the through-hole by one end of the through-hole, and when the sleeve at one end of the through-hole is inserted into the through-hole by one end surface of the base, the other end of the spring is inserted into the through-hole by the other end of the through-hole and abuts against the annular step portion; When the sleeve at the other end of the through-hole is inserted into the through-hole from one end surface of the base, the other end of the spring is inserted into the through-hole from one end of the through-hole and abuts against the connecting sleeve.

4. The through-hole grinding auxiliary tooling according to claim 1, characterized in that: The connecting assembly includes connecting columns and nuts. The connecting columns are divided into two pairs and are arranged opposite to each other at the upper end corners of the base. The lower ends of the connecting columns are fixedly connected to the base. The upper parts of the connecting columns are provided with threaded rods, and the outer diameter of the threaded rods is smaller than the outer diameter of the main body of the connecting columns. The cover plate is provided with mounting holes corresponding to the threaded rods of the connecting columns, and the inner diameter of the mounting holes is larger than the outer diameter of the threaded rods and smaller than the outer diameter of the main body of the connecting column. The number of the nuts corresponds to the connecting columns one by one. When the cover plate passes through the threaded rods through the mounting holes and is overlapped on the connecting columns, the nuts are screwed into the threaded rods to removably fix the cover plate relatively above the base.

5. The through-hole grinding auxiliary tool as claimed in claim 1, characterized in that: There are multiple through holes on the base, which are divided into at least one group, each group has multiple through holes, and the multiple through holes in each group are arranged in a circular array on the base, and the through holes arranged in each group of circular arrays are concentric.

6. The through-hole grinding auxiliary tooling according to claim 1, characterized in that: The middle parts of the base and the cover plate are both provided with windows penetrating the upper and lower end surfaces thereof.

7. The through-hole grinding auxiliary tool as claimed in claim 1, characterized in that: The corners of the upper end surface of the base are all provided with positioning grooves for matching with external clamps.

8. The through-hole grinding auxiliary tooling according to claim 1, characterized in that: The base and the cover plate are both metal plates.

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