CN216327591U

CN216327591U - Special clamp for precision machining of inner and outer circular mills of silicon carbide sealing ring

Info

Publication number: CN216327591U
Application number: CN202123169070.4U
Authority: CN
Inventors: 刘芳; 邱林
Original assignee: Shanghai Wangheng Mechanical Equipment Co ltd
Current assignee: Shanghai Wangheng Mechanical Equipment Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-19
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a special clamp for precision machining of an inner circle and an outer circle of a silicon carbide sealing ring through grinding, which comprises a clamp table body, wherein a driving motor and a screw cavity are arranged in the bottom of the clamp table body, the driving motor is provided with a screw extending into the screw cavity, a moving block matched with the screw is arranged on the screw, a first connecting block extending to the top of the clamp table body is arranged at the top of the moving block, an opening matched with the first connecting block to move is formed in the clamp table body, a first arc-shaped clamping plate is arranged on the first connecting block, a supporting plate is arranged at the top of the clamp table body, a rotating handle is arranged in the supporting plate, and a second arc-shaped clamping plate is arranged on the rotating handle. Compared with the prior art, the utility model has the advantages that: according to the clamping device, the first arc-shaped clamping plate moved under the control of the motor and the second arc-shaped clamping plate moved under the control of the hand can stably clamp the sealing ring, and meanwhile, the sealing ring can be further clamped through the matching of the screw rod and the clamping plates.

Description

Special clamp for precision machining of inner and outer circular mills of silicon carbide sealing ring

Technical Field

The utility model relates to the technical field of precision machining of sealing rings, in particular to a special clamp for precision machining of inner and outer circular grinding of a silicon carbide sealing ring.

Background

The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of the sleeve, the sleeve and the shaft rotate together, the sealing ring is tightly pressed on the inner hole wall of the static element by the elasticity of the pressed notch, the sealing ring can play a role of sealing, all contact surfaces need to be hardened and polished, and the silicon carbide sealing ring is made of silicon carbide and has higher high temperature resistance, corrosion resistance, wear resistance and plasticity.

In some high-precision equipment, the precision requirement on the sealing ring is higher, so precision machining is required, clamps in the prior art are simple, adjustment is not convenient enough, and the silicon carbide sealing ring is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a special clamp for precision machining of the inner and outer circular grindings of the silicon carbide sealing ring, which is convenient for adjusting and clamping the sealing ring, aiming at the defects in the background technology.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a special clamp for precision machining of an inner circle and an outer circle of a silicon carbide sealing ring comprises a clamp table body, wherein a driving motor is arranged on one side in the bottom of the clamp table body, a screw cavity matched with the driving motor is arranged in the bottom of the clamp table body, a screw rod extending into the screw cavity is connected to the power end of the driving motor, a moving block matched with the screw rod is connected to the screw rod, the top of the moving block is connected with a first connecting block extending to the top of the clamp table body, an opening matched with the first connecting block to move is formed in the clamp table body, a first arc-shaped clamping plate is fixedly connected to one side of the inner side of the first connecting block, a supporting plate is connected to one side, far away from the driving motor, of the top of the clamp table body, a rotating handle is connected to the inside of the supporting plate and provided with threads matched with the supporting plate, and a second connecting block is connected to the inner side of the supporting plate, and a second arc-shaped clamping plate is fixedly connected to the inner side of the second connecting block.

Further, first arc splint and second arc splint both ends all be equipped with the screw hole, the screw hole on connect and be equipped with the bolt, bolt outside one end connect and be equipped with the hand and twist the dish, the inboard one end of bolt connect and be equipped with splint, the convenient tight sealing ring of further clamp.

Further, first arc splint and the inboard one side of second arc splint connect and be equipped with first rubber pad, the inboard connection of splint be equipped with the second rubber pad, can protect the sealing ring through two kinds of rubber pads, prevent splint direct contact sealing ring, produce the damage to it.

Further, first arc splint and second arc splint both ends bottom all connect and be equipped with limit slide, the anchor clamps table body on be equipped with the spacing spout of cooperation limit slide, can guarantee the temperature shift of first arc splint and second arc splint.

Furthermore, one side of the screw cavity far away from the driving motor is connected with a first bearing provided with a matched screw, and the rear side of the second connecting block is connected with a second bearing provided with a matched rotating handle, so that the screw and the rotating handle can rotate conveniently.

Compared with the prior art, the special clamp for precision machining of the inner circle and the outer circle of the silicon carbide sealing ring has the advantages that: according to the clamping device, the first arc-shaped clamping plate moved under the control of the motor and the second arc-shaped clamping plate moved under the control of the hand can stably clamp the sealing ring, and meanwhile, the sealing ring can be further clamped through the matching of the screw rod and the clamping plates.

Drawings

FIG. 1 is a schematic structural view of the main cross section of a jig special for precision machining of a silicon carbide sealing ring by internal and external circular grinding.

FIG. 2 is a schematic structural diagram of a top view of the jig for precision machining of the inner and outer circular grinding of the silicon carbide sealing ring according to the present invention.

As shown in the figure: 1. the fixture table comprises a fixture table body, 2, a screw cavity, 3, a driving motor, 4, a screw, 5, a first bearing, 6, a moving block, 7, a first connecting block, 8, a first arc-shaped clamping plate, 9, a supporting plate, 10, a rotating handle, 11, threads, 12, a second connecting block, 13, a second arc-shaped clamping plate, 14, threaded holes, 15, bolts, 16, a hand screwing plate, 17, a clamping plate, 18, a first rubber pad, 19, a second rubber pad, 20, an opening, 21, a second bearing, 22, a limiting slide block, 23 and a limiting slide groove.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the present invention, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation and be operated, and therefore are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", etc., are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implicitly indicating the number of technical features indicated, and thus, the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that the term "connected" is to be understood broadly, for example, it may be a fixed connection, a detachable connection, or an integral connection, unless otherwise explicitly specified or limited, and those skilled in the art can understand the specific meaning of the above terms in the present invention in a specific case.

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawings 1-2, the special clamp for precision machining of the inner and outer circular grinding of the silicon carbide sealing ring comprises a clamp table body 1, a driving motor 3 is arranged on one side in the bottom of the clamp table body 1, a screw cavity 2 matched with the driving motor 3 is arranged in the bottom of the clamp table body 1, a screw 4 extending into the screw cavity 2 is connected to a power end of the driving motor 3, a moving block 6 matched with the screw 4 is connected to the screw 4, a first connecting block 7 extending to the top of the clamp table body 1 is connected to the top of the moving block 6, an opening 20 matched with the first connecting block 7 to move is arranged on the clamp table body 1, a first arc-shaped clamping plate 8 is fixedly connected to one side of the inner side of the first connecting block 7, the driving motor 3 is started to control the screw 4 to rotate so as to drive the moving block 6 to move in the screw cavity 2, and a screw hole matched with the screw 4 is arranged in the moving block 6, the screw rod 4 rotates to drive the moving block 6 to move, the moving block 6 moves to drive the first connecting block 7 and the first arc-shaped clamping plate 8 to clamp or loosen, a supporting plate 9 is connected and arranged on one side of the top of the clamp table body 1 far away from the driving motor 3, a rotating handle 10 is connected and arranged in the supporting plate 9, the rotating handle 10 is provided with a thread 11 matched with the supporting plate 9, the supporting plate 9 is also provided with a screw hole matched with the thread 11, the rotating handle 10 can move forwards or backwards by rotating, the rotating handle 10 extends to the inner side of the supporting plate 9 and is connected with a second connecting block 12, the joint of the rotating handle 10 and the second connecting block 12 is rotatably connected through a bearing, thereby pulling and pushing second connecting block 12 in the pivoted while, the inboard fixed connection of second connecting block 12 be equipped with second arc splint 13, can drive second arc splint 13 through the rotation of rotating handle 10 and press from both sides tightly or loosen.

The clamp is characterized in that threaded holes 14 are formed in two ends of the first arc-shaped clamping plate 8 and the second arc-shaped clamping plate 13, bolts 15 are connected to the threaded holes 14, hand-tightening discs 16 are connected to one ends of the outer sides of the bolts 15, clamping plates 17 are connected to one ends of the inner sides of the bolts 15, after the two sides of the sealing rings are clamped through the first arc-shaped clamping plate 8 and the second arc-shaped clamping plate 13, the bolts 15 are rotated to be matched with the threaded holes 14, the four clamping plates 17 further clamp the sealing rings, so that the clamp sealing rings can be safely and stably clamped, first rubber pads 18 are connected to one sides of the inner sides of the first arc-shaped clamping plate 8 and the second arc-shaped clamping plate 13, second rubber pads 19 are connected to the inner sides of the clamping plates 17, limiting sliding blocks 22 are connected to the bottoms of two ends of the first arc-shaped clamping plate 8 and the second arc-shaped clamping plate 13, limiting sliding grooves 23 matched with the limiting sliding blocks 22 are formed in the clamp table body 1, one side of the screw cavity 2 far away from the driving motor 3 is connected with a first bearing 5 provided with a matching screw rod 4, and the rear side of the second connecting block 12 is connected with a second bearing 21 provided with a matching rotating handle 10.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a carborundum sealing ring inside and outside circular grinding precision finishing special fixture, includes the anchor clamps table body (1), its characterized in that: a driving motor (3) is arranged on one side in the bottom of the clamp table body (1), a screw rod cavity (2) matched with the driving motor (3) is arranged in the bottom of the clamp table body (1), a screw rod (4) extending into the screw rod cavity (2) is connected and arranged at the power end of the driving motor (3), a moving block (6) matched with the screw rod (4) is connected and arranged on the screw rod (4), a first connecting block (7) extending to the top of the clamp table body (1) is connected and arranged at the top of the moving block (6), an opening (20) matched with the first connecting block (7) to move is arranged on the clamp table body (1), a first arc-shaped clamping plate (8) is fixedly connected and arranged on one side, far away from the driving motor (3), of the top of the clamp table body (1) is connected and arranged with a supporting plate (9), a rotating handle (10) is connected and arranged in the supporting plate (9), the novel multifunctional electric wrench is characterized in that threads (11) matched with the supporting plate (9) are arranged on the rotating handle (10), the rotating handle (10) extends to the inner side of the supporting plate (9) to be connected with a second connecting block (12), and a second arc-shaped clamping plate (13) is fixedly connected to the inner side of the second connecting block (12).

2. The special fixture for precision machining of the inner and outer circular grinding of the silicon carbide sealing ring according to claim 1, characterized in that: first arc splint (8) and second arc splint (13) both ends all be equipped with screw hole (14), screw hole (14) on connect and be equipped with bolt (15), bolt (15) outside one end connect and be equipped with hand and twist set (16), bolt (15) inboard one end connect and be equipped with splint (17).

3. The special fixture for precision machining of the inner and outer circular mills of the silicon carbide sealing ring according to claim 2, which is characterized in that: the inner sides of the first arc-shaped clamping plate (8) and the second arc-shaped clamping plate (13) are provided with a first rubber pad (18) in a connecting mode, and the inner side of the clamping plate (17) is provided with a second rubber pad (19) in a connecting mode.

4. The special fixture for precision machining of the inner and outer circular grinding of the silicon carbide sealing ring according to claim 1, characterized in that: first arc splint (8) and second arc splint (13) both ends bottom all connect and be equipped with stop block (22), the anchor clamps table body (1) on be equipped with spacing spout (23) of cooperation stop block (22).

5. The special fixture for precision machining of the inner and outer circular grinding of the silicon carbide sealing ring according to claim 1, characterized in that: one side of keeping away from driving motor (3) in screw cavity (2) connect first bearing (5) that are equipped with cooperation screw rod (4), second connecting block (12) rear side connect second bearing (21) that are equipped with cooperation rotation handle (10).