CN210360840U - Novel pressurization positioning device for optical fiber grinding machine - Google Patents

Abstract

The utility model relates to a novel pressurization positioning device for an optical fiber grinding machine, which comprises a fixture positioning tube fixed on a machine table, wherein a sliding cavity is arranged in the fixture positioning tube, a guide pin for guiding the radial part of which extends into the sliding cavity is arranged on the fixture positioning tube, a pressure application column is arranged in the sliding cavity in a sliding way, a spiral guide groove for controlling the rotation direction of the pressure application column is arranged on the outer wall of the pressure application column, and the guide pin is clamped into the guide groove; at least two rolling bearings correspondingly positioned at two ends of the spiral guide groove are fixed in the sliding cavity, and the pressing columns are in clearance fit in inner rings of the rolling bearings; the bottom end of the pressure applying column extends along the circumferential direction to form a boss, the upper surface of the boss is abutted with a compression spring, and the other end of the compression spring is abutted against an inner ring of a rolling bearing or a plane bearing to rotate synchronously along with the pressure applying column. The utility model discloses an avoid opening and shutting the in-process to the wearing and tearing of anchor clamps, prolonged anchor clamps life, increased the stability and the controllability of grinding process.

Description

Novel pressurization positioning device for optical fiber grinding machine

Technical Field

The utility model relates to an optic fibre processing equipment, especially a can avoid novel optic fibre grinder of anchor clamps wearing and tearing to use pressurization positioner.

Background

The equipment for signal transmission by using optical fiber is commonly used in modern communication, and for the accuracy of optical signal transmission, the optical fiber connector is usually required to be ground, and a four-corner pressing grinder is a commonly used grinding equipment at present. After the positioning column of the existing four-corner pressure grinding machine is arranged on the grinding machine body, the grinding clamp is elastically pressed on the positioning surface of the positioning column through the pressing part, during grinding, the pressing part is in contact with the upper surface of the clamp, the surface of the clamp is pressed, after a product is ground, the pressing part pressing the clamp needs to be rotated and opened, certain abrasion can be clamped in the grinding process for a long time, and the service life of the grinding clamp is shortened.

SUMMERY OF THE UTILITY MODEL

To present not enough, the utility model provides a can avoid the novel optic fibre of anchor clamps wearing and tearing to grind machine pressurization positioner.

The utility model provides a technical scheme that its technical problem adopted is:

a novel pressurization positioning device for an optical fiber grinding machine comprises a clamp positioning tube fixed on a machine table, wherein a sliding cavity is formed in the clamp positioning tube, a guide pin for guiding the radial part of the clamp positioning tube extends into the sliding cavity, a pressure application column is arranged in the sliding cavity in a sliding mode, a spiral guide groove for controlling the rotation direction of the pressure application column is formed in the outer wall of the pressure application column, and the guide pin is clamped into the spiral guide groove; the sliding cavity is at least fixedly provided with two rolling bearings correspondingly positioned at two ends of the spiral guide groove, and the pressure application column is in clearance fit with an inner ring of the rolling bearing; the bottom end of the pressure applying column extends along the circumferential direction to form a boss, the upper surface of the boss is abutted with a compression spring sleeved on the pressure applying column, and the other end of the compression spring is abutted against an inner ring of a rolling bearing or a plane bearing to rotate synchronously along with the pressure applying column.

Preferably, a piston abutting against the bottom end of the pressure application column is further slidably arranged in the sliding cavity, a piston cover is detachably and fixedly connected to the bottom end of the sliding cavity on the clamp positioning tube, and an air inlet through hole is formed in the piston cover.

Preferably, the piston is a sliding block, the top of the sliding block is provided with a groove, the sliding block is embedded in the sliding cavity in a matching and sealing mode, the bottom end of the pressure application column abuts against the bottom face of the groove, and the piston cover is sleeved with a first sealing ring.

Preferably, an annular groove is formed in the outer wall of the piston along the circumferential direction, and a second sealing ring is arranged in the annular groove.

Preferably, the spiral guide grooves are provided in two and have the same grooving direction, and the guide pin is provided in one.

Preferably, the spiral guide grooves are provided in two opposite directions, and the guide pin is provided in one direction.

Preferably, a radial through hole is formed in the part, exposed out of the sliding cavity, of the pressure application column, a pin penetrates through the radial through hole, a handle is fixed at one end of the pin, at least one concave neck is arranged at the other end of the pin, an elastic rubber ring protruding out of the surface of the pin or a sliding ring capable of rotating is sleeved on the concave neck, and the elastic rubber ring or the sliding ring is pressed on the upper surface of the optical fiber grinding disc in a propping mode during operation.

Preferably, be provided with the polygon locating section on the round pin nail, radial through-hole is equipped with the interior polygon locating part that matches polygon locating section card and go into, the round pin passes through threaded connection with the handle, screws up the handle and blocks polygon locating section card in the polygon locating part and make the round pin take-up on the post of exerting pressure, and after loosening the handle, the round pin can take out and the not equidirectional of rotatory polygon locating section to switch the wearing surface.

Preferably, the bottom end of the pressure application column is fixed with a gasket with a lower part extending into a boss in the circumferential direction through a screw.

Preferably, the fixture positioning tube is provided with a mounting through hole for mounting a guide pin, and the guide pin is mounted in the mounting through hole in a matching manner and partially extends into the sliding cavity.

The beneficial effects of the utility model reside in that: the utility model discloses a set up the spiral guide way on the post of exerting pressure, the guide pin that can insert the spiral guide way is set up to the position corresponding to the spiral guide way on anchor clamps registration arm, when the post of exerting pressure slides in sliding chamber, the rotation direction of the post of exerting pressure has just been injectd through the cooperation of guide pin and spiral guide way, the post of exerting pressure rises earlier one end distance promptly and rotates again, the wearing and tearing to the anchor clamps of the in-process of opening and shutting have been avoided, anchor clamps life has been prolonged, the stability and the controllability of grinding process have been increased.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a pressing column according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a pin in an embodiment of the present invention;

fig. 4 is a schematic view of the pressing column according to the embodiment of the present invention in a pressed-down closed state;

fig. 5 is a schematic view of the pressing column according to the embodiment of the present invention in an upward opened state;

fig. 6 is a cross-sectional view of an embodiment of the present invention taken along the axial direction of the pin;

fig. 7 is a cross-sectional view of the embodiment of the present invention along the axial direction of the guide pin;

part names and serial numbers in the figure: 1-clamp positioning tube 10-sliding cavity 11-installation through hole 2-guide pin 3-pressure column 30-spiral guide groove 31-radial through hole 32-gasket 310-internal polygonal positioning part 4-rolling bearing 5-compression spring 6-plane bearing 7-piston 70-piston cover 71-groove 72-annular groove 700-air inlet through hole 701-first sealing ring 720-second sealing ring 8-pin 80-concave neck 81-polygonal positioning section 800-elastic rubber ring 9-handle.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are for clear and complete description. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention. In addition, directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer to directions only as shown in the attached drawings, and are used for better and clearer explanation and understanding of the present invention, and do not indicate or imply orientation which the present invention must have, and thus, should not be construed as limiting the present invention.

The embodiment of the utility model provides a as shown in fig. 1 to 7, a novel pressurization location device for optical fiber grinder, including fixing anchor clamps registration arm 1 on the board, be equipped with sliding chamber 10 in the anchor clamps registration arm 1 and be equipped with the uide pin 2 that is used for the direction that the radial part stretched into sliding chamber 10 on anchor clamps registration arm 1, anchor clamps registration arm 1 is fixed on the board, is immovable, sets up sliding chamber 10 in it and just makes sliding chamber 10 can set up other parts, uide pin 2 sets up on anchor clamps registration arm 1, and it is also immovable. The clamp positioning tube 1 is provided with an installation through hole 11 for installing the guide pin 2, the guide pin 2 is installed in the installation through hole 11 in a matching manner and partially extends into the sliding cavity 10, the guide pin 2 can be conveniently installed on the clamp positioning tube 1 through the installation through hole 11, meanwhile, part of the guide pin 2 extends into the sliding cavity 10, namely, part of the guide pin 2 protrudes out of the cavity wall of the sliding cavity 10 after being arranged on the clamp positioning tube 1, when a sliding component in the sliding cavity 10 moves to the position of the guide pin 2, because the guide pin 2 is fixed, the moving direction of the sliding component can be changed in order to avoid the guide pin 2, the guide pin 2 plays a guiding role, the pressure application column 3 is arranged in the sliding cavity 10 in a sliding manner, namely, the pressure application column 3 slides in the sliding cavity 10 and is a sliding component in the sliding cavity 10, the outer wall of the pressure application column 3 is provided with a spiral guide groove 30 for controlling the rotation direction of the pressure application column 3, the guide pin 2 is clamped in the spiral guide groove 30, the guide pin 2 is fixed, the spiral guide groove 30 slides relative to the guide pin 2 along with the sliding of the pressure application column 3, the spiral guide groove 30 rises and rotates along with the spiral guide groove, thus, in the opening and closing process of the pressure application column 3, the pressure application column can rise firstly and then rotate, the abrasion to the clamp in the opening and closing process is avoided, the service life of the clamp is prolonged, meanwhile, the spontaneous rotation of the pressure application column 3 under the action of grinding resistance in the grinding process is also avoided, the possibility of sudden load disengagement in the grinding process is avoided, the stability and the controllability of the process are increased, the problem that after the product is ground in the traditional pressure application positioning device is solved, the pressure application part needs to rotate, the problem of abrasion of the grinding clamp after long-term use; the sliding cavity 10 is at least fixedly provided with two rolling bearings 4 correspondingly positioned at two ends of the spiral guide groove 30, the pressure applying column 3 is in clearance fit in inner rings of the rolling bearings 4, the pressure applying column 3 is positioned in the clamp positioning tube 1 through a bearing and is pressed on the clamp positioning tube 1 through a spring arranged below the pressure applying column 3, and the bearing and the pressure applying column 3 are in sliding fit, so that the smoothness of the pressure applying column 3 in rotation is ensured; the bottom end of the pressure applying column 3 extends along the circumferential direction to form a boss, the upper surface of the boss is abutted with a set of compression spring 5 arranged on the pressure applying column 3, the other end of the compression spring 5 is abutted against an inner ring of a rolling bearing 4 or is abutted against a planar bearing 6 to synchronously rotate along with the pressure applying column 3, so that one end of the compression spring 5 acts on the surface of the boss at the bottom end of the pressure applying column 3, the other end of the compression spring acts on the planar bearing 6 or the inner ring of the rolling bearing 4, the compression spring 5 and the pressure applying column 3 synchronously rotate in the rotation of the pressure applying column 3, the compression spring 5 basically cannot be acted by torsion force, and the problem of fracture caused by excessive torsion force is avoided.

A further improvement, as shown in fig. 1, 6 and 7, a piston 7 abutting against the bottom end of the pressure applying column 3 is further slidably disposed in the sliding cavity 10, and abuts against the piston 7, so that the pressure applying column 3 is pushed to move along with the movement of the piston 7, a piston cover 70 is detachably and fixedly connected to the bottom end of the sliding cavity 10 on the clamp positioning tube 1, an air inlet through hole 700 is disposed on the piston cover 70, the piston cover 70 is fixedly connected to the bottom end of the sliding cavity 10 on the clamp positioning tube 1, and is also fixed, but is detachable so as to facilitate installation and maintenance thereof, so that when the air is inflated through the air inlet through hole 700, the air drives the piston 7 to move upward, thereby pushing the pressure applying column 3 and the compression spring 5 to move upward and rotate simultaneously in the sliding cavity 10, and realizing automatic opening of the pressure applying column 3. After the air is cut off, the pressing column 3 returns to the initial position under the pressure of the compression spring 5, and meanwhile, the piston 7 is pushed to reset, so that the pressing and positioning of the grinding machine are realized. Pressurization or pressure relief action is realized through a pneumatic control mode, so that the operation time is saved, the operation intensity is reduced, the automatic transformation of a production line by combining a plurality of devices is facilitated, the production efficiency is improved, and the problem caused by a transmission manual operation rotary pressurization mode is solved. In order to ensure that the stress of the pressure applying column 3 is uniform and not concentrated at a certain position and does not deflect to a certain position during the movement when the piston 7 pushes the pressure applying column 3 to move, the piston 7 is a sliding block which is provided with a groove 71 at the top and is embedded in the sliding cavity 10 in a matching and sealing way, the bottom end of the pressure application column 3 is abutted against the bottom surface of the groove 71, thus ensuring the uniformity of the stress surface of the pressure applying column 3 and ensuring the smooth sliding of the pressure applying column, the piston 7 is embedded in the sliding cavity 10 and sealed with the sliding cavity 10, no gap is generated between the two, after the air is communicated, no air can escape from the joint of the piston 7, so that the stress of the piston is uniform, thereby ensuring that the pressure applying column 3 is evenly stressed, a first sealing ring 701 is sleeved on the piston cover 70, in this way, gas cannot escape from the connection of the piston cover 70 in the sliding chamber 10, ensuring that the gas which is introduced can exert sufficient pressure on the piston 7. The piston 7 is sealed in the sliding cavity 10, an annular groove 72 is formed in the outer wall of the piston 7 along the circumferential direction, and a second sealing ring 720 is arranged in the annular groove 72, so that the structure is simple, the movement of the piston 7 is not affected, and the sealing performance is also ensured.

In a further modification, as shown in fig. 1, 2 and 7, for the spiral guide grooves 30, one is that the spiral guide grooves 30 are provided with two grooves having the same grooving direction, and the guide pin 2 is provided with one, so that the guide pin can be inserted into any one spiral guide groove 30, and thus the opening and closing direction of the pressing column 3 can be better controlled. The other is that the spiral guide grooves 30 are provided with two spiral guide grooves with opposite grooving directions, and the guide pin 2 is provided with one guide pin, so that the rotation forward and backward directions of the pressure applying column 3 can be selected, and one guide pin 2 can be clamped into the spiral guide grooves 30 in different directions, so that the interference between the two guide pins 2 when one guide pin 2 is clamped into the spiral guide grooves 30 in different directions is avoided.

In a further improvement, as shown in fig. 1, 3 and 7, a radial through hole 31 is provided at a portion of the pressure applying column 3 exposed out of the sliding cavity 10, a pin 8 is inserted into the radial through hole 31, a handle 9 is fixed at one end of the pin 8, at least one concave neck 80 is provided at the other end of the pin 8, the concave necks 80 are preferably arranged in parallel to ensure that the two concave necks are well pressed against the upper surface of the optical fiber polishing disc, an elastic rubber ring 800 or a rotatable sliding ring protruding out of the surface of the pin 8 is sleeved on the concave neck 80, the elastic rubber ring 800 or the sliding ring is replaceable, the outer diameter of the elastic rubber ring 800 or the sliding ring is larger than the diameter of the working portion of the pin 8, the elastic rubber ring 800 or the sliding ring is pressed against the upper surface of the optical fiber polishing disc during operation, and the elastic rubber ring 800 or the sliding ring is firstly contacted with the surface of the optical fiber polishing disc during operation, so as to avoid the abrasion of the pin 8 on, meanwhile, the rotation of the sliding ring in the pressurizing process also enables the pressurizing process to be smoother.

In a further improvement, as shown in fig. 1 to 3, a polygonal positioning section 81 is provided on the pin 8, the radial through hole 31 is provided with an inner polygonal positioning portion 310 into which the matching polygonal positioning section 81 is inserted, the position of the pin 8 is fixed by matching the polygonal positioning section 81 and inserting into the inner polygonal positioning portion 310, and the pin 8 and the handle 9 are connected through a thread, the handle 9 is screwed down to insert the polygonal positioning section 81 into the inner polygonal positioning portion 310, so that the pin 8 is tightened on the pressure applying column 3, and after the handle 9 is loosened, the pin 8 can be taken out and rotated in different directions of the polygonal positioning section 81, so that the wear surface of the elastic rubber ring 800 can be switched.

In a further modification, as shown in fig. 1, 6 and 7, a washer 32 with a lower portion extending circumferentially as a boss is fixed to the bottom end of the pressing column 3 by screws, so that the elastic force of the compression spring 5 can be adjusted by adjusting the height of the washer 32.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (10)

1. The utility model provides a novel optic fibre grinds machine pressurization positioner which characterized in that: the clamp positioning device comprises a clamp positioning pipe fixed on a machine table, wherein a sliding cavity is arranged in the clamp positioning pipe, a guide pin for guiding the radial part of the clamp positioning pipe extending into the sliding cavity is arranged on the clamp positioning pipe, a pressure application column is arranged in the sliding cavity in a sliding mode, a spiral guide groove for controlling the rotation direction of the pressure application column is arranged on the outer wall of the pressure application column, and the guide pin is clamped into the spiral guide groove; the sliding cavity is at least fixedly provided with two rolling bearings correspondingly positioned at two ends of the spiral guide groove, and the pressure application column is in clearance fit with an inner ring of the rolling bearing; the bottom end of the pressure applying column extends along the circumferential direction to form a boss, the upper surface of the boss is abutted with a compression spring sleeved on the pressure applying column, and the other end of the compression spring is abutted against an inner ring of a rolling bearing or a plane bearing to rotate synchronously along with the pressure applying column.

2. The new optical fiber grinder pressure positioning device according to claim 1, characterized in that: the clamp positioning tube is fixedly connected with the bottom end of the sliding cavity in a detachable mode, and the piston cover is provided with an air inlet through hole.

3. The new optical fiber grinder pressure positioning device according to claim 2, characterized in that: the piston is a sliding block, the top of the sliding block is provided with a groove, the sliding block is embedded in the sliding cavity in a matching and sealing mode, the bottom end of the pressure application column abuts against the bottom surface of the groove, and the piston cover is sleeved with a first sealing ring.

4. The new optical fiber grinder pressure positioning device according to claim 2, characterized in that: an annular groove is formed in the outer wall of the piston along the circumferential direction, and a second sealing ring is arranged in the annular groove.

5. The new optical fiber grinder pressure positioning device according to claim 1, characterized in that: the spiral guide way is provided with two and fluting direction is the same, the uide pin is equipped with one.

6. The new optical fiber grinder pressure positioning device according to claim 1, characterized in that: the spiral guide way is provided with two and fluting opposite direction, the uide pin is equipped with one.

7. The new optical fiber grinder pressure positioning device according to claim 1, characterized in that: the part of forcing the post to expose the slip chamber is provided with a radial through-hole, wear to be equipped with a pin in the radial through-hole, the one end of pin is fixed with a handle, the other end of pin is provided with at least one concave neck, the cover is equipped with the elastic rubber ring or the sliding ring that can rotate of a protrusion pin surface on the concave neck, during operation elastic rubber ring or sliding ring support press at optic fibre abrasive disc upper surface.

8. The new optical fiber grinder pressure positioning device according to claim 7, characterized in that: be provided with polygon positioning section on the pin, radial through-hole is equipped with the interior polygon location portion that matches polygon positioning section card and go into, the pin passes through threaded connection with the handle, screws up the handle and blocks polygon positioning section card in the polygon location portion and make the pin take-up on the post of exerting pressure, and after loosening the handle, the pin can take out and rotate the not equidirectional of polygon positioning section to switch the wearing surface.

9. The new optical fiber grinder pressure positioning device according to claim 1, characterized in that: and the bottom end of the pressure application column is fixed with a gasket of which the lower part extends circumferentially to form a boss through a screw.

10. The new optical fiber grinder pressure positioning device according to claim 1, characterized in that: the fixture positioning pipe is provided with a mounting through hole for mounting a guide pin, and the guide pin is mounted in the mounting through hole in a matching manner and partially extends into the sliding cavity.

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