Rubber external dimension accurate grinding device

Abstract

The utility model discloses a rubber external dimension accurate polishing device, and relates to the technical field of rubber sheet polishing. The device structurally comprises a grinding rack, an electric grinding machine, a rubber sheet adsorption positioning tool and a linear guide frame; the grinding rack comprises a horizontal table top; an electric grinder mounting frame extending towards one side of the horizontal table top is fixed on the bottom surface of the middle of the horizontal table top; the electric grinder is horizontally clamped and mounted on the electric grinder mounting frame; a cylindrical carborundum grinding head is clamped and mounted on the electric grinder; the linear guide frame is arranged in the length direction of the horizontal table top. According to the utility model, redundant materials can be accurately removed, the thickness consistency of the rubber sheet is ensured, and the strict requirement of the underwater acoustic transducer on the thickness of the rubber sheet is met; the ground rubber sheet can be conveniently collected and blanked into a circular rubber sheet, and the part without grinding traces on the surface indicates that the rubber sheet is too thin and unqualified, so that the rubber sheet is convenient to identify and screen.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rubber sheet polishing technical field, in particular, relate to a rubber external size accurate polishing device. BACKGROUND

[0002] A hydroacoustic transducer is a device that converts acoustic energy and electrical energy, and its position is similar to that of an antenna in a radio device, which is a key device for transmitting and receiving acoustic waves underwater. The hydroacoustic transducer includes a piezoelectric ceramic wafer stack and metal cover plates at its top and bottom. Each 2-8 piezoelectric ceramic wafer is a group, and the wafer stack contains one or more groups of wafers, with rubber sheets separating each group. The piezoelectric ceramic wafer stack and the metal cover plate are also separated by rubber sheets. The thickness consistency of these rubber sheets is crucial to maintaining the thickness consistency of the wafer stack of the hydroacoustic transducer, because even a small thickness difference can affect the performance of the transducer, such as the transmission efficiency and receiving sensitivity of the acoustic wave.

[0003] In the traditional manufacturing process of hydroacoustic transducers, the thickness control of rubber sheets mainly relies on manual measurement and adjustment, which is not only inefficient, but also difficult to ensure high precision and consistency. With the continuous expansion of the application field of hydroacoustic transducers and the improvement of performance requirements, higher requirements are put forward for the precision and efficiency of rubber sheet thickness control. Therefore, it is particularly important to develop a technology that can accurately control the thickness of rubber sheets, improve production efficiency and product quality. The utility model aims to provide a rubber external size accurate polishing device. SUMMARY

[0004] The utility model discloses a rubber external size accurate polishing device, through the combination of polishing machine frame, electric grinder, rubber sheet adsorption positioning frock and straight line guide frame, can accurately remove the redundant material, ensure the thickness consistency of rubber sheet.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a rubber outer size accurate polishing device, including polisher frame, electric grinder, rubber sheet adsorption positioning frock, linear guide frame, the polisher frame includes water platform surface, the water platform surface middle bottom surface is fixed with the electric grinder mounting bracket that extends to its one side, electric grinder horizontal clamping is installed on electric grinder mounting bracket, the cylindrical emery point head is clamped and installed on electric grinder, linear guide frame is along water platform surface length direction is established, and linear guide frame is fixed on water platform surface upper surface, rubber sheet adsorption positioning frock is installed on linear guide frame, and rubber sheet adsorption positioning frock is along linear guide frame length direction linear movement, the both ends of water platform surface lower surface are fixed with a fixed support leg respectively, and the bottom surface of fixed support leg is with the bottom surface of electric grinder mounting bracket common plane.

[0007] As a preferred technical scheme of the utility model, the electric grinder mounting bracket includes two vertical plates fixed to the lower surface of the water platform surface; two U-shaped groove plates for horizontally supporting the electric grinder are fixed to the top surfaces of the two vertical plates; a pressing plate for clamping and fixing the electric grinder is fixed to each of the two U-shaped groove plates through two half-thread bolts; a horizontal bottom plate is fixed to the bottom surfaces of the two vertical plates, and the bottom surface of the horizontal bottom plate is coplanar with the bottom surface of the electric grinder mounting bracket.

[0008] As a preferred technical scheme of the utility model, the linear guide frame includes a rectangular groove body fixed to the upper surface of the water platform surface; a row of non-powered idlers are fixed to the two side walls of the rectangular groove body in an equidistant manner; an upwardly extending rectangular vertical plate is fixed to the side wall of the rectangular groove body adjacent to the electric grinder; a horizontally arranged rectangular strip is fixed to the side wall of the upper end of the rectangular vertical plate adjacent to the non-powered idlers, and the side end of the rectangular strip adjacent to the non-powered idlers is provided as a semicircular arc surface.

[0009] As a preferred technical scheme of the utility model, the rubber sheet adsorption positioning frock includes a rectangular metal strip; a rectangular channel for placing a rubber sheet is formed in the top surface of the rectangular metal strip; a plurality of waist round holes are formed in the bottom surface of the rectangular channel; a rectangular cover is fixed to the bottom surface of the rectangular channel; the side wall of the rectangular channel is in linear contact with the semicircular arc surface of the rectangular strip; the bottom surface of the rectangular cover is horizontally placed on the row of non-powered idlers; a first circular pipe and a second circular pipe are fixed to one end of the side wall of the rectangular cover; a first ball valve and a second ball valve are installed on the first circular pipe and the second circular pipe respectively; and a vacuum extraction device is arranged outside the first circular pipe.

[0010] As a preferred technical scheme of the utility model, the side wall pipe of the water platform surface away from the electric grinder has a material tank.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a grinding frame, electric grinder, rubber sheet adsorption positioning frock and linear guide frame's combination use cylinder emery point to the rubber sheet grinding, can accurately remove the redundant material, ensure the thickness consistency of rubber sheet, satisfy the strict requirement of water acoustic transducer to rubber sheet thickness.

[0013] The utility model discloses a rectangular groove and waist round long hole design on rectangular metal sheet strip, cooperate vacuum adsorption system, can ensure that the rubber sheet is stable and flatly fixed in the grinding process, avoided the precision loss caused by moving or vibration.

[0014] The utility model discloses the control of first ball valve and second ball valve can easily realize the adsorption and release of rubber sheet, simplified operation process, improved work efficiency.

[0015] The utility model discloses the rubber sheet after grinding can be conveniently collected and punches into circular rubber sheet, and the part without grinding trace on the surface shows that its thickness is too thin and unqualified, is convenient for identification and screening.

[0016] The utility model discloses the thickness of rubber sheet can be accurately controlled, can improve the performance and reliability of water acoustic transducer, thereby improving the quality of whole product.

[0017] Of course, any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0019] Figure 1 It is the structure schematic diagram of the utility model rubber outer size accurate polishing device.

[0020] Figure 2 It is the front view of Figure 1 .

[0021] Figure 3 It is the structure schematic diagram of grinding frame and linear guide frame.

[0022] Figure 4 It is the partial close-up of Figure 3 A place.

[0023] Figure 5 It is the structure schematic diagram of rubber sheet adsorption positioning frock.

[0024] The components represented by the reference numerals in the drawings are listed as follows:

[0025] 1-polishing machine frame, 2-electric grinder, 3-rubber sheet adsorption positioning tool, 4-linear guide frame, 5-cylindrical diamond grinding head, 11-water platform surface, 12-electric grinder mounting frame, 13-fixed support leg, 14-material groove, 121-vertical plate, 122-U-shaped groove plate, 123-half-thread bolt, 124-pressing plate, 125-horizontal bottom plate, 31-rectangular metal strip, 32-rectangular channel, 33-waist round hole, 34-rectangular cover, 35-first circular tube, 36-second circular tube, 37-first ball valve, 38-second ball valve, 41-rectangular groove body, 42-unpowered carrier roller, 43-rectangular vertical plate, 44-rectangular strip. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described 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. Embodiment one:

[0028] Please refer to Figures 1-5 The utility model discloses a rubber outer size accurate polishing device, including polishing machine frame 1, electric grinder 2, rubber sheet adsorption positioning tool 3, linear guide frame 4. Polishing machine frame 1 includes water platform surface 11. The middle bottom surface of water platform surface 11 is fixed with electric grinder mounting frame 12 extending to its one side. Electric grinder 2 is horizontally clamped and installed on electric grinder mounting frame 12. The cylindrical diamond grinding head 5 is clamped and installed on electric grinder 2. Linear guide frame 4 is arranged along the length direction of water platform surface 11, and linear guide frame 4 is fixed on the upper surface of water platform surface 11. Rubber sheet adsorption positioning tool 3 is installed on linear guide frame 4, and rubber sheet adsorption positioning tool 3 moves linearly along the length direction of linear guide frame 4. The lower surfaces of the both ends of water platform surface 11 are respectively fixed with a fixed support leg 13, and the bottom surface of fixed support leg 13 is coplanar with the bottom surface of electric grinder mounting frame 12. Among them, electric grinder mounting frame 12 includes two vertical plates 121 fixed on the lower surface of water platform surface 11. The top surfaces of the two vertical plates 121 are fixed with two U-shaped groove plates 122 for horizontally supporting electric grinder 2. Two U-shaped groove plates 122 are respectively fixed with a pressing plate 124 for clamping and fixing electric grinder 2 through two half-thread bolts 123. The bottom surfaces of the two vertical plates 121 are fixed with a horizontal bottom plate 125, and the bottom surface of horizontal bottom plate 125 is coplanar with the bottom surface of electric grinder mounting frame 12.

[0029] The straight guide frame 4 includes a rectangular groove body 41 fixed on the upper surface of the water platform 11. A row of evenly distributed unpowered rollers 42 are fixed on the two side walls of the rectangular groove body 41. The upper end of the side wall of the rectangular groove body 41 adjacent to the electric grinder 2 is fixed with an upward extending rectangular vertical plate 43. The upper end of the rectangular vertical plate 43 is fixed with a horizontally arranged rectangular strip 44 adjacent to the side wall of the unpowered roller 42, and the side end of the rectangular strip 44 is provided with a semicircular arc surface.

[0030] The rubber sheet adsorption positioning tool 3 includes a rectangular metal strip 31. The top surface of the rectangular metal strip 31 is provided with a rectangular groove 32 for placing the rubber sheet. The bottom surface of the rectangular groove 32 is provided with a plurality of waist round holes 33. The bottom surface of the rectangular groove 32 is fixed with a rectangular cover 34. The side wall of the rectangular groove 32 is in linear contact with the semicircular arc surface of the rectangular strip 44. The bottom surface of the rectangular cover 34 is horizontally placed on a row of unpowered rollers 42. One end of the side wall of the rectangular cover 34 penetrates and is fixed with a first circular pipe 35 and a second circular pipe 36. The first circular pipe 35 and the second circular pipe 36 are respectively provided with a first ball valve 37 and a second ball valve 38. The first circular pipe 35 is connected with a vacuum pumping device. During grinding, the first ball valve 37 is opened, the second ball valve 38 is closed, the rectangular cover 34 is in a negative pressure state, and the rubber sheet to be ground is tightly and flatly adsorbed and fixed on the rectangular groove 32. During the replacement of the rubber sheet, the first ball valve 37 is closed first, and then the second ball valve 38 is opened to replace the rubber sheet.

[0031] When the rubber sheet adsorption positioning tool 3 adsorbs and fixes the rubber sheet to be ground, the rubber sheet adsorption positioning tool 3 is placed on a row of unpowered rollers 42, and the side wall of the rectangular cover 34 is attached to the semicircular arc surface at the side end of the straight guide frame 4. During the linear movement of the rubber sheet adsorption positioning tool 3, the cylindrical diamond sand grinder 5 grinds and removes the protruding part of the rubber sheet to meet the requirements. The equipment wear during the grinding process of the excess part of the rubber sheet is small, and the precision is high during repeated use. In addition, the installed rubber sheet is flat and stable, and the installation and removal operation is convenient and reliable.

[0032] In order to facilitate the collection of the ground rubber sheet for subsequent processing and use, a material tank 14 is provided on the side wall pipe away from the electric grinder 2 of the water platform 11. The ground rubber sheet is stacked, and the surface of the rubber sheet to be punched into a circular rubber sheet is ground. The part without grinding marks indicates that the thickness is too thin and unqualified.

[0033] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A rubber oversize precision polishing device, characterized in that: It comprises a polishing machine frame (1), an electric grinder (2), a rubber sheet adsorption positioning tooling (3), and a linear guide frame (4). The polishing machine frame (1) comprises a water platform surface (11); the middle bottom surface of the water platform surface (11) is fixed with an electric grinder mounting rack (12) extending to one side thereof; the electric grinder (2) is horizontally clamped and mounted on the electric grinder mounting rack (12); and a cylindrical diamond sand grinding head (5) is clamped and mounted on the electric grinder (2). The linear guide frame (4) is arranged along the length direction of the water platform surface (11), and is fixed on the upper surface of the water platform surface (11); the rubber sheet adsorption positioning tooling (3) is mounted on the linear guide frame (4), and moves linearly along the length direction of the linear guide frame (4). The lower surfaces of the both ends of the water platform surface (11) are respectively fixed with a fixed support leg (13), and the bottom surface of the fixed support leg (13) is coplanar with the bottom surface of the electric grinder mounting rack (12).

2. The rubber oversize precision sanding device of claim 1, wherein, The electric grinder mounting rack (12) comprises two vertical plates (121) fixed on the lower surface of the water platform surface (11); the top surfaces of the two vertical plates (121) are fixed with two U-shaped groove plates (122) for horizontally supporting the electric grinder (2); the two U-shaped groove plates (122) are respectively fixed with a pressing plate (124) for clamping and fixing the electric grinder (2) through two half-thread bolts (123); the bottom surfaces of the two vertical plates (121) are fixed with a horizontal bottom plate (125), and the bottom surface of the horizontal bottom plate (125) is coplanar with the bottom surface of the electric grinder mounting rack (12).

3. The rubber oversize precision sanding device of claim 1, wherein, The linear guide frame (4) comprises a rectangular groove body (41) fixed on the upper surface of the water platform surface (11); a row of uniformly distributed unpowered idlers (42) are fixed on the side walls of the rectangular groove body (41); an upwardly extending rectangular vertical plate (43) is fixed on the side wall upper end of the rectangular groove body (41) adjacent to the electric grinder (2); a horizontally arranged rectangular strip (44) is fixed on the side wall of the upper end of the rectangular vertical plate (43) adjacent to the unpowered idlers (42), and the side end of the rectangular strip (44) adjacent to the unpowered idlers (42) is provided with a semicircular arc surface.

4. The rubber oversize precision sanding device of claim 3, wherein, The rubber sheet adsorbing positioning tool (3) comprises a rectangular metal strip (31); a rectangular groove (32) for placing a rubber sheet is formed in the top surface of the rectangular metal strip (31); a plurality of waist round long holes (33) are formed in the bottom surface of the rectangular groove (32); a rectangular cover (34) is fixed to the bottom surface of the rectangular groove (32); the side wall of the rectangular groove (32) is in linear contact with the semicircular arc surface of the rectangular strip (44); the bottom surface of the rectangular cover (34) is horizontally placed on a row of unpowered rollers (42); a first circular pipe (35) and a second circular pipe (36) are fixed to the side wall of one end of the rectangular cover (34); a first ball valve (37) and a second ball valve (38) are respectively installed on the first circular pipe (35) and the second circular pipe (36).

5. The rubber oversize precision sanding device of claim 1, wherein, The water platform surface (11) is provided with a material groove (14) away from the side wall pipe of the electric grinder (2).

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