CN214686105U

CN214686105U - Metal part machining clamping stabilizing device

Info

Publication number: CN214686105U
Application number: CN202023345574.2U
Authority: CN
Inventors: 单宝刚; 李志江; 王亮; 刘洋
Original assignee: Jilin Xinyu Photoelectric And Precision Machinery Co ltd
Current assignee: Jilin Xinyu Photoelectric And Precision Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-12
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a metalwork processing centre gripping stabilising arrangement belongs to clamping device technical field. The clamping and stabilizing device for metal part machining comprises a supporting and adjusting mechanism and a clamping mechanism. The pivot extends to the fixed cover of one end in the base is equipped with first bevel gear, motor output pass through the driving medium with the transmission of pivot bottom is connected, the lead screw sets up four, the lead screw extends into the fixed cover of one end in the retainer plate is equipped with second bevel gear, second bevel gear all mesh in first bevel gear, the slide screw thread cup joint in the lead screw, fixture is including supporting riser, cover frame, bolster and splint, the utility model discloses according to the size of metalwork, adjust the distance between four splint, make this device can carry out the centre gripping stability to not unidimensional metalwork, and slide through the cover frame and peg graft in supporting the riser, be convenient for change the splint that use corresponds according to the metalwork of different shapes.

Description

Metal part machining clamping stabilizing device

Technical Field

The utility model relates to a clamping device field particularly, relates to a metalwork processing centre gripping stabilising arrangement.

Background

In-process of the production of metalwork, need process the metalwork, need carry out the centre gripping to the metalwork at the in-process of processing to guarantee metalwork processing's stability, consequently need use centre gripping stabilising arrangement to fix the metalwork, but the in-process that uses is put to current metalwork centre gripping stabilising arrangement, be not convenient for adjust according to the size of metalwork, can't carry out the centre gripping to the metalwork of equidimension not fixed, and be not convenient for change according to the metalwork of different shapes and use different anchor clamps.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above insufficiency, the utility model provides a metalworking centre gripping stabilising arrangement aims at improving the problem that proposes in the above-mentioned background art.

The utility model discloses a realize like this:

the utility model provides a metalwork processing centre gripping stabilising arrangement, including supporting adjustment mechanism and fixture.

The supporting and adjusting mechanism comprises a base, a motor, a rotating shaft, a screw rod, a sliding seat and a fixed ring plate, wherein the base is U-shaped, the motor is installed at the bottom of the base through an installation frame, the rotating shaft is rotatably connected to the central shaft of the base, one end of the rotating shaft extending into the base is fixedly sleeved with a first bevel gear, the output end of the motor is in transmission connection with the bottom end of the rotating shaft through a transmission piece, the fixed ring plate is fixedly connected to the inner bottom wall of the base, the fixed ring plate is sleeved outside the first bevel gear, the screw rod is provided with four screw rods, the screw rod array is arranged on the peripheral side surface of the fixed ring plate, one end of the screw rod extending into the fixed ring plate is fixedly sleeved with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the other end of the screw rod is rotatably connected to the inner side wall of the base, the sliding seat is sleeved on the screw rod in a threaded manner.

The clamping mechanism comprises a supporting vertical plate, a sleeve frame, a buffering member and a clamping plate, wherein the bottom end of the supporting vertical plate is fixedly connected to the top of the sliding seat, the sleeve frame is slidably sleeved on the top end of the supporting vertical plate, the buffering member is symmetrically and fixedly connected to the outer wall of the sleeve frame on one side opposite to the sleeve frame, and the clamping plate is fixedly connected to one end, away from the buffering member, of the sleeve frame.

The utility model discloses an in an embodiment, the bolster all includes fixed sleeve, buffer spring, limiting plate and connecting rod, fixed sleeve fixed connection in the cover frame lateral wall, limiting plate sliding connection in the fixed sleeve inside wall, buffer spring fixes the limiting plate with between the fixed sleeve inner end wall, connecting rod one end fixed connection in the limiting plate, the connecting rod other end runs through fixed sleeve extends to the outside.

The utility model discloses an in one embodiment, set up T type slot in the cover frame, support riser upper portion set up with the bar breach of T type slot adaptation, the cover frame with it is fixed that the support riser passes through fastening bolt.

In an embodiment of the utility model, a processing platform is fixedly arranged on the top of the base, a through groove adapted to the slide seat is formed in the processing platform, and the bottom end of the supporting vertical plate is fixed by a fixing block, and the slide seat extends out of the top end of the through groove.

The utility model discloses an in the embodiment, processing platform central point puts and has set firmly and place the board, it is circular and is located to place the board directly over the solid fixed ring board.

The utility model discloses an in one embodiment, the driving medium includes first belt pulley, belt and second belt pulley, first belt pulley cover is located the pivot, the second belt pulley cover is located motor output end, belt transmission connect in first belt pulley with between the second belt pulley, just first belt pulley diameter size is greater than second belt pulley diameter size.

In an embodiment of the present invention, the sliding base is fixed with a sliding block at the bottom, and a sliding groove adapted to the sliding block is disposed on the bottom wall in the base.

The utility model discloses an in one embodiment, the base bottom is provided with lifting support frame, lifting support frame includes supporting baseplate, first sleeve pipe and second sleeve pipe, first sleeve pipe fixed connection in supporting baseplate top four corners, second sleeve pipe bottom peg graft in the first sleeve pipe, second sleeve pipe top fixed connection in base bottom four corners.

In an embodiment of the present invention, a reinforcing plate is fixed at a joint of the first sleeve and the supporting bottom plate, and the first sleeve and the second sleeve are fixed by a locking bolt.

In an embodiment of the present invention, four the clamping plates are all arc-shaped, and four the opposite faces of the clamping plates are all provided with rubber pads.

The utility model has the advantages that: the metal piece processing clamping stabilizing device obtained by the design of the utility model starts the motor when in use, the rotating shaft is driven to rotate by the transmission piece, the four second bevel gears are meshed and driven to rotate by the first bevel gear, so that the four screw rods synchronously rotate, the supporting vertical plates on the four sliding seats move close to each other, thereby driving the sleeve frame to move relatively, further adjusting the distance between the four clamping plates according to the size of the metal piece, leading the device to stably clamp the metal pieces with different sizes, being convenient for rapidly assembling and disassembling the sleeve frame by the sliding and inserting of the sleeve frame on the supporting vertical plate, thereby facilitating the replacement and use of the corresponding clamping plates according to the metal pieces with different shapes, buffering the four clamping plates when the four clamping plates are adjusted and clamped in the vertical direction through the buffer parts, thereby on the one hand, the tightness and the stability of the clamping of the metal piece by the clamping plate are improved, and on the other hand, the damage caused by rigid contact of the clamping plate and the metal piece during clamping of the metal piece can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a metal part processing clamping and stabilizing device provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a support adjusting mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a base at a first viewing angle according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the base at a second viewing angle according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a second viewing angle of the processing table according to the embodiment of the present invention;

fig. 6 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a supporting vertical plate according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the jacket frame according to the embodiment of the present invention at a second viewing angle;

fig. 9 is a schematic structural view of a buffer member according to an embodiment of the present invention.

In the figure: 10-a support adjustment mechanism; 110-a base; 111-a chute; 120-a motor; 121-installing a frame; 130-a rotating shaft; 131-a first bevel gear; 132-a transmission; 1321-a first pulley; 1322-a belt; 1323-a second pulley; 140-a screw rod; 141-second bevel gear; 150-a slide; 151-a slider; 160-stationary ring plate; 170-a processing table; 171-a through slot; 180-lifting support frame; 181-support base plate; 182-a reinforcing plate; 183-first sleeve; 184-locking bolt; 185-a second sleeve; 20-a clamping mechanism; 210-supporting a vertical plate; 211-fixed block; 212-fastening bolts; 213-a bar-shaped gap; 220-a frame; 221-T slot; 230-a buffer; 231-a fixed sleeve; 232-a buffer spring; 233-limiting plate; 234-connecting rod; 240-clamping plate; 241-a rubber pad; 250-place the board.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-9, the present invention provides a technical solution: a clamping and stabilizing device for metal part machining comprises a support adjusting mechanism 10 and a clamping mechanism 20.

Referring to fig. 2, the supporting and adjusting mechanism 10 includes a base 110, a motor 120, a rotating shaft 130, a screw rod 140, a sliding seat 150 and a fixing ring plate 160, the base 110 is U-shaped, a lifting support frame 180 is disposed at the bottom of the base 110, the lifting support frame 180 is disposed to adjust the height of the device, thereby improving the flexibility of the device and facilitating the processing of metal parts, specifically, the lifting support frame 180 includes a support base plate 181, a first sleeve 183 and a second sleeve 185, the first sleeve 183 is fixedly connected to four corners of the top of the support base plate 181, a reinforcing plate 182 is fixed at the connection between the first sleeve 183 and the support base plate 181, the reinforcing plate 182 and the first sleeve 183 are all fixed by welding to play a reinforcing role, the bottom end of the second sleeve 185 is inserted into the first sleeve 183, the first sleeve 183 and the second sleeve 185 are fixed by a locking bolt 184, a plurality of insertion holes are uniformly formed on the second sleeve 185, the locking bolts 184 penetrate through the outer wall of the first sleeve 183 and the insertion holes, and the top end of the second sleeve 185 is fixedly connected to the four corners of the bottom of the base 110.

Referring to fig. 3, 4 and 5, the motor 120 is installed at the bottom of the base 110 through the installation frame 121, a U-shaped groove is formed in the installation frame 121, the motor 120 is fixed at the bottom of the installation frame 121 through a bolt, an output end of the motor 120 extends into the U-shaped groove of the installation frame 121, the rotating shaft 130 is rotatably connected to a central shaft of the base 110, a bottom end of the rotating shaft 130 is rotatably connected to the installation frame 121 through a bearing, an output end of the motor 120 is rotatably connected to a bottom end of the rotating shaft 130 through a transmission member 132, specifically, the transmission member 132 includes a first belt pulley 1321, a belt 1322 and a second belt pulley 1323, the first belt pulley 1321 is sleeved on the rotating shaft 130, the second belt pulley 1323 is sleeved on the output end of the motor 120, the belt is rotatably connected between the first belt pulley 1321 and the second belt pulley 1323, and a diameter of the first belt pulley 1321 is larger than a diameter of the second belt pulley 1323, the motor 120 drives the second belt 1323 to rotate the first belt pulley 1322, thereby driving the rotating shaft 130 to rotate, and simultaneously the diameter of the first belt pulley 1321 is not less than 2 times of the diameter of the second belt pulley 1323, so that the motor 120 drives the rotating shaft 130 to slowly rotate after being decelerated by the transmission member 132, thereby preventing the rotating shaft 130 from rotating too fast and moving the clamping mechanism 20 too fast.

In this embodiment, one end of the rotating shaft 130 extending into the base 110 is fixedly sleeved with a first bevel gear 131, the fixed ring plate 160 is fixedly connected to the inner bottom wall of the base 110, the fixed ring plate 160 is fixed to the base 110 by welding or bolts, the fixed ring plate 160 is sleeved outside the first bevel gear 131, four screw rods 140 are provided, the screw rods 140 are arranged in an array on the peripheral side surface of the fixed ring plate 160, one end of the screw rods 140 extending into the fixed ring plate 160 is fixedly sleeved with a second bevel gear 141, the second bevel gears 141 are all engaged with the first bevel gear 131, it should be noted that the four second bevel gears 141 are engaged with the first bevel gear 131 together, the other end of the screw rods 140 is rotatably connected to the inner side wall of the base 110 through bearings, the sliding base 150 is threadedly sleeved on the screw rods 140, an internal thread adapted to the screw rods 140 is provided in the sliding base 150, and a sliding block 151 is fixed to the bottom of the sliding base 150, offer the spout 111 with slider 151 adaptation in the base 110 on the diapire, slider 151 sliding connection is in spout 111, slider 151 and spout 111's cooperation, it is spacing to slide 150, prevent that slide 150 from rocking, it is concrete, drive first bevel gear 131 through pivot 130 and rotate, thereby rotate through four second bevel gears 141 of first bevel gear 131 meshing transmission, make four lead screws 140 rotate, and then drive slide 150 and remove to the direction of keeping away from or being close to fixed crown plate 160, make fixture 20 on four slides 150 be close to or keep away from the removal in opposite directions, and then according to the size of metalwork, adjust the distance between four fixture 20, it is stable to make the device can carry out the centre gripping to the metalwork of unidimensional not, improve the clamping range of device.

Referring to fig. 6, 7, 8, and 9, the clamping mechanism 20 includes a supporting vertical plate 210, a sleeve frame 220, a buffer 230, and a clamping plate 240, the bottom end of the supporting vertical plate 210 is fixedly connected to the top of the sliding seat 150, the top of the base 110 is fixedly provided with a processing table 170 for protecting components below the processing table 170, the processing table 170 is provided with a through slot 171 adapted to the sliding seat 150, the bottom end of the supporting vertical plate 210 is fixed to the top end of the through slot 171 extended from the sliding seat 150 through a fixing block 211, the central position of the processing table 170 is fixedly provided with a placing plate 250, the placing plate 250 is circular and located right above the fixing ring plate 160 for placing metal parts, the sleeve frame 220 is slidably sleeved on the top end of the supporting vertical plate 210, specifically, the sleeve frame 220 is provided with a T-shaped slot 221, the upper portion of the supporting vertical plate 210 is provided with a strip-shaped notch 213 adapted to the T-shaped slot 221, the sleeve frame 220 and the supporting vertical plate 210 are fixed through a fastening bolt 212, so as to facilitate quick assembly and disassembly of the sleeve frame 220, thereby facilitating the replacement of the corresponding clamping plate 240 according to metal members of different shapes.

In this embodiment, the buffering members 230 are symmetrically and fixedly connected to the outer wall of the opposite side of the casing 220, each buffering member 230 includes a fixing sleeve 231, a buffering spring 232, a limiting plate 233 and a connecting rod 234, the fixing sleeve 231 is fixedly connected to the side wall of the casing 220, the limiting plate 233 is slidably connected to the inner side wall of the fixing sleeve 231, the buffering spring 232 is fixed between the limiting plate 233 and the inner end wall of the fixing sleeve 231, one end of the connecting rod 234 is fixedly connected to the limiting plate 233, the other end of the connecting rod 234 extends to the outside through the fixing sleeve 231, the end of the connecting rod 234 is fixedly connected to the clamping plate 240, the clamping plate 240 is fixedly connected to one end of the buffering member 230 away from the casing 220, each of the four clamping plates 240 is arc-shaped, and the opposite surfaces of the four clamping plates 240 are provided with rubber pads 241, the rubber pads 241 improve the stability of the clamping plate 240 for clamping the metal member, under the cooperation of the limiting plate 233, the buffering spring 232 and the connecting rod 234, the clamping device can buffer the clamping of the four clamping plates 240 in the vertical direction, so that the tightness and the stability of the clamping plates 240 for clamping the metal piece are improved on the one hand, and the damage caused by rigid contact of the clamping plates 240 with the metal piece during clamping can be reduced on the other hand.

Specifically, this metalwork processing centre gripping stabilising arrangement's theory of operation: when the device is used, according to the processing requirement, the height of the device is adjusted through the lifting support frame 180, a metal piece is placed on the placing plate 250, the motor 120 is started to drive the second belt pulley 1323 to rotate, the first belt pulley 1321 is driven to rotate through the belt 1322 to drive the rotating shaft 130 to rotate, the four second bevel gears 141 are meshed and driven to rotate through the first bevel gears 131, the four screw rods 140 synchronously rotate, the sliding seat 150 is driven to move towards the direction close to the fixed ring plate 160, the supporting vertical plates 210 on the four sliding seats 150 move towards each other, the sleeve frame 220 is driven to move relatively, the distance between the four clamping plates 240 is adjusted according to the size of the metal piece, the device can stably clamp the metal pieces with different sizes, the clamping range of the device is improved, the sleeve frame 220 is slidably inserted in the supporting vertical plates 210 and fixed through the fastening bolts 212, and the sleeve frame 220 is convenient to be quickly assembled and disassembled, thereby be convenient for change the splint 240 that use corresponds according to the metalwork of different shapes, cushion when can adjusting the centre gripping to four splint 240 vertical direction through bolster 230 to improve splint 240 compactness and steadiness to the metalwork centre gripping on the one hand, on the other hand also can reduce splint 240 to the damage that causes rather than rigid contact when the metalwork centre gripping.

It should be noted that the specific model specification of the motor 120 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 120 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamping and stabilizing device for metal part machining is characterized by comprising

The supporting and adjusting mechanism (10) comprises a base (110), a motor (120), a rotating shaft (130), a screw rod (140), a sliding seat (150) and a fixed ring plate (160), wherein the base (110) is U-shaped, the motor (120) is installed at the bottom of the base (110) through an installation frame (121), the rotating shaft (130) is rotatably connected to a central shaft of the base (110), a first bevel gear (131) is fixedly arranged at one end of the rotating shaft (130) extending into the base (110), the output end of the motor (120) is in transmission connection with the bottom end of the rotating shaft (130) through a transmission piece (132), the fixed ring plate (160) is fixedly connected to the inner bottom wall of the base (110), the fixed ring plate (160) is sleeved outside the first bevel gear (131), the screw rod (140) is provided with four screws, and the screw rod (140) array is arranged on the peripheral side face of the fixed ring plate (160), one end of the screw rod (140) extending into the fixed ring plate (160) is fixedly sleeved with a second bevel gear (141), the second bevel gears (141) are meshed with the first bevel gear (131), the other end of the screw rod (140) is rotatably connected to the inner side wall of the base (110), and the sliding seat (150) is sleeved on the screw rod (140) in a threaded manner;

fixture (20), fixture (20) is including supporting riser (210), cover frame (220), bolster (230) and splint (240), support riser (210) bottom fixed connection in slide (150) top, cover frame (220) slip cup joint in support riser (210) top, bolster (230) symmetry fixed connection in the relative one side outer wall of cover frame (220), splint (240) fixed connection in bolster (230) are kept away from the one end of cover frame (220).

2. A metal processing clamping stabilizing device according to claim 1, wherein each buffer member (230) comprises a fixing sleeve (231), a buffer spring (232), a limiting plate (233) and a connecting rod (234), the fixing sleeve (231) is fixedly connected to the side wall of the sleeve frame (220), the limiting plate (233) is slidably connected to the inner side wall of the fixing sleeve (231), the buffer spring (232) is fixed between the limiting plate (233) and the inner end wall of the fixing sleeve (231), one end of the connecting rod (234) is fixedly connected to the limiting plate (233), and the other end of the connecting rod (234) penetrates through the fixing sleeve (231) and extends to the outside.

3. The clamping and stabilizing device for metal processing according to claim 1, wherein a T-shaped slot (221) is formed in the sleeve frame (220), a strip-shaped notch (213) matched with the T-shaped slot (221) is formed in the upper portion of the supporting vertical plate (210), and the sleeve frame (220) and the supporting vertical plate (210) are fixed through a fastening bolt (212).

4. The clamping and stabilizing device for metal processing according to claim 1, wherein a processing table (170) is fixedly arranged at the top of the base (110), a through groove (171) adapted to the slide seat (150) is formed in the processing table (170), and the bottom end of the supporting vertical plate (210) is fixed to the top end of the slide seat (150) extending out of the through groove (171) through a fixing block (211).

5. The clamping and stabilizing device for metal processing according to claim 4, wherein a placing plate (250) is fixedly arranged at the center of the processing table (170), and the placing plate (250) is circular and is positioned right above the fixed ring plate (160).

6. A clamping and stabilizing device for metal processing as claimed in claim 1, wherein the transmission member (132) comprises a first pulley (1321), a belt (1322) and a second pulley (1323), the first pulley (1321) is sleeved on the rotating shaft (130), the second pulley (1323) is sleeved on the output end of the motor (120), the belt (1322) is drivingly connected between the first pulley (1321) and the second pulley (1323), and the diameter of the first pulley (1321) is larger than that of the second pulley (1323).

7. The clamping and stabilizing device for metal processing according to claim 1, wherein a sliding block (151) is fixed at the bottom of the sliding base (150), and a sliding groove (111) matched with the sliding block (151) is formed in the inner bottom wall of the base (110).

8. A clamping and stabilizing device for metal processing as claimed in claim 1, wherein a lifting support frame (180) is provided at the bottom of the base (110), the lifting support frame (180) comprises a support base plate (181), a first sleeve (183) and a second sleeve (185), the first sleeve (183) is fixedly connected to the four corners of the top of the support base plate (181), the bottom end of the second sleeve (185) is inserted into the first sleeve (183), and the top end of the second sleeve (185) is fixedly connected to the four corners of the bottom of the base (110).

9. A clamping and stabilizing device for metal processing according to claim 8, characterized in that a reinforcing plate (182) is fixed at the joint of the first sleeve (183) and the supporting bottom plate (181), and the first sleeve (183) and the second sleeve (185) are fixed by a locking bolt (184).

10. A metal working clamping and stabilizing device as claimed in claim 1, wherein each of the four clamping plates (240) is arc-shaped, and the opposite surfaces of each of the four clamping plates (240) are provided with rubber pads (241).