Sealing ring edge fine trimming equipment

Abstract

The utility model relates to edge finishing equipment, in particular to sealing ring edge finishing equipment which comprises a workbench, a vertical plate fixedly arranged on one side of the workbench, a transverse plate arranged on one side of the vertical plate in a sliding mode, a lower platform arranged on the workbench in a rotating mode, and an upper platform arranged at the bottom of the transverse plate in a rotating mode. The opposite sides of the upper platform and the lower platform are symmetrically and slidably provided with two trimming components, one side of the vertical plate is further slidably provided with a clamp used for fixing a sealing ring, the clamp is located between the upper platform and the lower platform, and each trimming component at least comprises a grinding piece and further comprises a fixing plate. The arc-shaped structure of the fixing plate can be better attached to the outline trend of the edge of the sealing ring, the polishing piece is more accurate during trimming, the uniformity and consistency of trimming are ensured, the elastic layer can adapt to the irregular shape or radian of the edge of the sealing ring through elastic deformation of the elastic layer, the polishing piece can be tightly attached to the edge of the sealing ring, and the polishing effect is better. And the trimming uniformity and consistency are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of edge finishing equipment, especially a sealing ring edge finishing equipment. BACKGROUND

[0002] With the application of new materials such as rubber, plastic, the manufacturing process of sealing ring is significantly improved, and the sealing effect and durability are improved. For example, nitrile rubber, fluorine rubber and other materials are widely used due to their oil resistance and chemical corrosion resistance. Traditional manual trimming is low in efficiency and unstable in quality, and is prone to leave tooth marks or notches on the surface of the sealing ring, resulting in an increase in product scrap rate.

[0003] The sealing ring trimming machine with publication number CN104057379B basically realizes automatic trimming, especially for soft rubber sealing rings, solves the problem of difficult fixation, and the trimming machine has high trimming speed and efficiency, reducing the labor input;

[0004] However, in the case of trimming irregular or different diameter sealing rings, the problems of uneven trimming, easy damage to the sealing ring body and low trimming efficiency caused by poor adhesion of the polishing pad occur. SUMMARY

[0005] The main purpose of the utility model is to provide a sealing ring edge finishing equipment to solve the problems in the related art.

[0006] To achieve the above purpose, according to one aspect of the utility model, a sealing ring edge finishing equipment is provided, which comprises a workbench, a vertical plate is fixed on one side of the workbench, a horizontal plate is slidably arranged on one side of the vertical plate, a lower platform is rotatably arranged on the workbench, an upper platform is rotatably arranged at the bottom of the horizontal plate, two trimming components are symmetrically and slidably arranged on the opposite sides of the upper platform and the lower platform, a clamp for fixing the sealing ring is also slidably arranged on one side of the vertical plate, and the clamp is located between the upper platform and the lower platform.

[0007] The trimming component comprises at least a polishing pad, which is attached to the outer edge profile of the sealing ring when trimming the edge of the sealing ring.

[0008] Further, the trimming component comprises at least a fixed plate, which is in the shape of an arc with an L-shaped cross section, an elastic layer is fixedly connected to the side wall of the fixed plate, and a magnetic rubber sheet is fixedly arranged on one side of the elastic layer.

[0009] Further, one side of the polishing pad is coated with a ferromagnetic coating, and the polishing pad and the elastic layer are fixedly connected by the attraction between the ferromagnetic coating and the magnetic rubber sheet.

[0010] Further, the trimming component further comprises a sliding block, a limiting block is fixedly arranged on the sliding block, a connecting shaft is fixedly arranged at the bottom of the fixed plate, the connecting shaft is rotatably installed in the limiting block, and a screw is threadedly installed on one side of the limiting block.

[0011] Further, the upper platform and the lower platform are symmetrically provided with a first sliding groove, the sliding block is slidably installed in the first sliding groove, and a screw rod is threadedly installed through the sliding block on the upper platform and the lower platform.

[0012] Further, the clamp comprises symmetrically arranged clamping plates, one side of one of the clamping plates is fixedly connected with a connecting plate, the connecting plate comprises a second connecting plate and a first connecting plate slidably installed in the second connecting plate, the first connecting plate is fixedly connected with a side wall of the clamping plate, one side of the second connecting plate is fixedly connected with a limiting plate, both ends of the two clamping plates are fixedly connected with fixed blocks, and screws are threadedly installed on the corresponding two fixed blocks.

[0013] Further, the vertical plate is provided with a square groove and a second sliding groove on one side, the limiting plate is slidably installed in the second sliding groove, one side of the horizontal plate is fixedly connected with a square block, the square block is slidably installed in the square groove, a lead screw is threadedly installed through the square block, and both ends of the lead screw are rotatably installed at both ends of the square groove.

[0014] Compared with the prior art, the sealing ring edge trimming device has the following beneficial effects:

[0015] 1. In the sealing ring edge trimming device, the arc-shaped structure of the fixed plate can better fit the contour of the sealing ring edge, so that the grinding piece is more accurate when trimming, and the uniformity and consistency of trimming are ensured; the elastic layer can adapt to the irregular shape or arc of the sealing ring edge through its elastic deformation, so that the grinding piece can be tightly attached to the sealing ring edge, and the uniformity and consistency of trimming are ensured; the magnetic rubber sheet is attracted to the ferromagnetic coating of the grinding piece, so that the grinding piece is easy to install and replace, and at the same time provides a certain buffering effect, reducing the damage to the sealing ring.

[0016] 2. In the sealing ring edge trimming device, the clamp is provided, the clamping plate is slidably connected through the first connecting plate and the second connecting plate, the position of the clamping plate can be adjusted, the center of the sealing ring is aligned with the centers of the upper platform and the lower platform, and the accuracy of trimming is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the sealing ring edge trimming device in the preferred embodiment of the utility model;

[0018] Figure 2 It is a plan view of the sealing ring edge trimming device in the preferred embodiment of the utility model;

[0019] Figure 3 It is the second whole structure schematic view of the sealing ring edge finishing equipment in the preferred embodiment of the utility model;

[0020] Figure 4 It is the lower platform sectional view in the preferred embodiment of the utility model;

[0021] Figure 5 It is the preferred embodiment of the utility model Figure 4 The structure amplification schematic view of A place in the middle;

[0022] Figure 6 It is the plan view of the edge trimming part in the preferred embodiment of the utility model;

[0023] Figure 7 It is the whole structure schematic view of the clamp in the preferred embodiment of the utility model.

[0024] Reference signs:

[0025] 1, workbench;11, vertical plate;111, square groove;112, second sliding groove;12, horizontal plate;121, square block;13, first motor;14, second motor;15, screw rod;

[0026] 2, lower platform;21, first sliding groove;22, screw rod;3, upper platform;

[0027] 4, edge trimming part;41, fixed plate;42, elastic layer;421, magnetic rubber sheet;43, polishing sheet;44, connecting shaft;45, sliding block;46, limiting block;47, screw;

[0028] 5, clamp;51, clamping plate;52, first connecting plate;53, second connecting plate;54, limiting plate;55, fixed block;56, bolt;57, nut;

[0029] 6, third motor. Specific implementation

[0030] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are described in detail as follows by combining with the drawings and preferred embodiments.

[0031] The sealing ring edge finishing equipment provided in the embodiment comprises a workbench 1, one side of the workbench 1 is fixedly provided with a vertical plate 11, one side of the vertical plate 11 is slidably provided with a horizontal plate 12, the workbench 1 is rotatably provided with a lower platform 2, the bottom of the horizontal plate 12 is rotatably provided with an upper platform 3, the upper platform 3 and the lower platform 2 are symmetrically slidably provided with two edge trimming parts 4 on the opposite sides, one side of the vertical plate 11 is also slidably provided with a clamp 5 for fixing a sealing ring a, and the clamp 5 is located between the upper platform 3 and the lower platform 2.

[0032] The trimming part 4 comprises at least a polishing sheet 43, which is in contact with the outer edge of the sealing ring a when trimming the edge of the sealing ring a.

[0033] As shown in Figure 4 , Figure 5 and Figure 6 , the trimming part 4 comprises at least a fixed plate 41, which is in an arc structure with an L-shaped cross section, and the arc structure is better in contact with the contour of the edge of the sealing ring a. The fixed plate 41 is fixedly connected with an elastic layer 42, and the elastic layer 42 is provided with a magnetic rubber sheet 421 on one side.

[0034] As shown in Figure 4 , Figure 5 and Figure 6 , the polishing sheet 43 is coated with a ferromagnetic coating on one side, and the polishing sheet 43 is fixedly connected with the elastic layer 42 through the magnetic attraction between the ferromagnetic coating and the magnetic rubber sheet 421. Therefore, when the edge of the sealing ring a is irregular or has a certain curvature, the elastic layer 42 can adapt to the shape of the edge of the sealing ring a through its elastic deformation, so that the polishing sheet 43 can be closely attached to the edge of the sealing ring a, ensuring the uniformity and consistency of trimming. The polishing sheet 43 bends with the deformation of the elastic layer 42, and the magnetic rubber sheet 421 bends accordingly.

[0035] It should be noted that the magnetic attraction between the polishing sheet 43 and the magnetic rubber sheet 421 is large enough to avoid deviation between them during polishing.

[0036] As shown in Figure 4 , Figure 5 and Figure 6 , the trimming part 4 further comprises a sliding block 45, which is provided with a limiting block 46, and the fixed plate 41 is provided with a connecting shaft 44 at the bottom, which is rotatably installed in the limiting block 46, and a screw 47 is threadedly installed on one side of the limiting block 46. Therefore, the elastic layer 42 with the polishing sheet 43 rotates on the sliding block 45 to adjust the inclination angle, so as to adapt to the sealing ring a with special shape or bevel, and when the appropriate angle is adjusted, the screw 47 is installed and tightened to fix the end of the connecting shaft 44.

[0037] As shown in Figure 4 and Figure 5As shown, the upper platform 3 and the lower platform 2 are symmetrically provided with a first sliding groove 21, the sliding block 45 is slidingly installed in the first sliding groove 21, and the upper platform 3 and the lower platform 2 are provided with a screw rod 22 penetrating the sliding block 45 and being threadedly installed, the screw rod 22 is provided with a bidirectional thread, thus rotating the screw rod 22 can drive the two sliding blocks 45 to approach or move away from each other, thereby driving the two trimming parts 4 on the upper platform 3 or the lower platform 2 to approach or move away from each other, and further adapting to the sealing ring a of different diameters.

[0038] As shown in the drawings, Figure 7 The clamp 5 includes symmetrically arranged clamping plates 51, one of which is fixedly connected with a connecting plate including a second connecting plate 53 and a first connecting plate 52 slidingly installed therein, and the first connecting plate 52 is fixedly connected with the side wall of the clamping plate 51, the second connecting plate 53 is fixedly connected with a limiting plate 54 on one side, both ends of the two clamping plates 51 are fixedly connected with fixed blocks 55, and corresponding two fixed blocks 55 are threadedly installed with bolts 56; when fixing the sealing ring a, the sealing ring a is placed between the two clamping plates 51, then the bolts 56 are threadedly installed on the two fixed blocks 55 and tightened, at this time the two clamping plates 51 approach each other under the tension of the bolts 56, clamping the sealing ring a, and the end of the bolt 56 is threadedly installed with a nut 57, tightening the nut 57 further clamps and fixes the sealing ring a by the two clamping plates 51, and the inner wall of the clamping plate 51 is made of silica gel material, which has a certain elasticity and will not scratch the surface of the sealing ring a, and the thickness of the sealing ring a is greater than that of the clamping plate 51, ensuring that both ends of the sealing ring a are located at the upper and lower ends of the clamping plate 51; the clamp 5 can fix sealing rings a of different diameters, and in actual application, if the sealing ring a is not aligned with the center of the upper platform 3 and the lower platform 2, the clamping plate 51 can be pulled to make the first connecting plate 52 slide in the second connecting plate 53, thereby adjusting the position of the clamping plate 51 to align the sealing ring a with the center of the upper platform 3 and the lower platform 2.

[0039] As shown in the drawings, Figure 1 , Figure 2 and Figure 3As shown, the side of the vertical plate 11 is provided with a square groove 111 and a second sliding groove 112, the limiting plate 54 is slidingly installed in the second sliding groove 112, so that the up-down position of the clamp 5 can be manually adjusted, so that the two ends of the sealing ring a on the clamp 5 are arranged between the polishing pads 43 on the lower platform 2, the side of the horizontal plate 12 is fixedly connected with a square block 121, the square block 121 is slidingly installed in the square groove 111, a lead screw 15 is threadedly installed through the square block 121, both ends of the lead screw 15 are rotatably installed at both ends of the square groove 111, and a first motor 13 is fixedly arranged at the top of the vertical plate 11, the output shaft of the first motor 13 is fixedly connected with the center of one end of the lead screw 15, the first motor 13 is driven to rotate the lead screw 15, so as to drive the square block 121 to slide in the square groove 111, thereby adjusting the height position of the horizontal plate 12 and the upper platform 3, so that the upper platform 3 moves downward to approach the clamp 5, until the two polishing pads 43 on the upper platform 3 are tightly fitted with the outer wall of the upper end of the sealing ring a on the clamp 5.

[0040] As shown in Figure 1 , Figure 2 and Figure 3 , and the center of the horizontal plate 12 is fixedly provided with a second motor 14, the output shaft of the second motor 14 is fixedly connected with the center of the upper platform 3, so that the second motor 14 is driven to rotate the upper platform 3, so that the polishing pads 43 on it are finely finished on the upper end edge of the sealing ring a; a third motor 6 is fixedly arranged in the workbench 1, the output shaft of the motor is fixedly connected with the center of the lower platform 2, the third motor 6 is driven to rotate the lower platform 2, so that the polishing pads 43 on it are finely finished on the lower end edge of the sealing ring a.

[0041] The utility model discloses in specific use, place sealing ring a between two clamping plates 51, and screw bolt 56 is installed on two fixed blocks 55 and is screwed down, make two clamping plates 51 under the tension of bolt 56 close to each other, clamp sealing ring a, then screw down nut 57 further make two clamping plates 51 clamp sealing ring a, rotate screw rod 22, drive two sliding blocks 45 in first sliding slot 21 close to each other or away from each other to drive two trimming parts 4 on upper platform 3 or lower platform 2 close to each other or away from each other, make trimming part 4 adapt to the sealing ring a of different diameter size, ensure that abrasive disc 43 can be in good contact with the edge of sealing ring a, along the second sliding slot 112 slide clamp 5 and make the lower end of sealing ring a set between abrasive disc 43 on lower platform 2, start first motor 13, and the output shaft of first motor 13 drives screw rod 15 to rotate, and screw rod 15 drives square block 121 to slide in square groove 111 to drive horizontal plate 12 and upper platform 3 to move up and down, make upper platform 3 move down and close to clamp 5, until two abrasive discs 43 on upper platform 3 are closely attached to the upper end outer wall of sealing ring a on clamp 5, start second motor 14, and the output shaft of second motor 14 drives upper platform 3 to rotate, and abrasive disc 43 on upper platform 3 rotates along with it, and carries out fine trimming to the upper end edge of sealing ring a, start third motor 6 in workbench 1, and the output shaft of third motor 6 drives lower platform 2 to rotate, and abrasive disc 43 on lower platform 2 rotates along with it, and carries out fine trimming to the lower end edge of sealing ring a.

[0042] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art, within the scope of the utility model technical scheme, can make a little more change or modification as equivalent embodiment of equivalent change with the above disclosed technical content, but as long as not departing from the utility model technical scheme content, according to the technical essence of the utility model, any brief introduction modification, equivalent change and modification of the above embodiment, still belong to the scope of the utility model technical scheme.

Claims

1. A sealing ring edge finishing device, comprising a workbench (1), wherein a vertical plate (11) is fixedly disposed on one side of the workbench (1), and a horizontal plate (12) is slidably disposed on one side of the vertical plate (11), characterized in that, The workbench (1) is rotatably provided with a lower platform (2), and the bottom of the horizontal plate (12) is rotatably provided with an upper platform (3). Two trimming parts (4) are symmetrically slidably provided on opposite sides of the upper platform (3) and the lower platform (2). A clamp (5) for fixing the sealing ring (6) is also slidably provided on one side of the vertical plate (11), and the clamp (5) is located between the upper platform (3) and the lower platform (2). The trimming component (4) includes at least a polishing disc (43), which fits the outer edge contour of the sealing ring (6) when the edge of the sealing ring (6) is finely trimmed.

2. The sealing ring edge finishing equipment according to claim 1, characterized in that, The trimming component (4) includes at least a fixing plate (41), which has an L-shaped arc structure. An elastic layer (42) is fixedly connected to the side wall of the fixing plate (41), and a magnetic rubber sheet (421) is embedded and fixedly provided on one side of the elastic layer (42).

3. The sealing ring edge finishing equipment according to claim 2, characterized in that, One side of the grinding disc (43) is coated with a ferromagnetic coating. The grinding disc (43) and the elastic layer (42) are fixedly connected by the attraction between the magnetic rubber sheet (421) and the ferromagnetic coating.

4. The sealing ring edge finishing equipment according to claim 2, characterized in that, The trimming component (4) also includes a slider (45), on which a limit block (46) is fixedly installed. A connecting shaft (44) is fixedly installed at the bottom of the fixing plate (41). The connecting shaft (44) is rotatably installed in the limit block (46), and a screw (47) is threaded on one side of the limit block (46).

5. The sealing ring edge finishing equipment according to claim 4, characterized in that, The upper platform (3) and the lower platform (2) are symmetrically provided with first sliding grooves (21), the slider (45) is slidably installed in the first sliding groove (21), and the upper platform (3) and the lower platform (2) are threaded with screws (22) through the slider (45).

6. The sealing ring edge finishing equipment according to claim 1, characterized in that, The clamp (5) includes symmetrically arranged clamping plates (51), one of which is fixedly connected to a connecting plate on one side. The connecting plate includes a second connecting plate (53) and a first connecting plate (52) slidably installed therein. The first connecting plate (52) is fixedly connected to the side wall of the clamping plate (51). A limit plate (54) is fixedly connected to one side of the second connecting plate (53). Both ends of the two clamping plates (51) are fixedly connected to fixing blocks (55), and bolts (56) are threaded on the corresponding two fixing blocks (55).

7. The sealing ring edge finishing equipment according to claim 6, characterized in that, The upright plate (11) has a square groove (111) and a second sliding groove (112) on one side. The limiting plate (54) is slidably installed in the second sliding groove (112). A block (121) is fixedly connected to one side of the horizontal plate (12). The block (121) is slidably installed in the square groove (111). A screw rod (15) is threaded through the block (121). The two ends of the screw rod (15) are rotatably installed at both ends of the square groove (111).

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