CN213646767U

CN213646767U - Fixture for machining spherical parts

Info

Publication number: CN213646767U
Application number: CN202022770040.8U
Authority: CN
Inventors: 李钦生; 何俊; 崔强; 王晓浩; 孙志瑞; 赵刚亮; 卞要伟; 陶瑞
Original assignee: Anhui Technical College of Mechanical and Electrical Engineering
Current assignee: Hefei Longzhi Electromechanical Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-09
Anticipated expiration: 2030-11-24

Abstract

The invention belongs to the technical field of clamps, and particularly relates to a clamp for machining a spherical part, which comprises a bottom plate, a vertical plate, a sliding plate, a supporting bag, a separation wall, an air pipe, an oil pipe, a first electromagnetic valve, a second electromagnetic valve, a supporting plate, a limiting plate, a first spring, a sliding rail and a locking part, wherein the bottom plate is provided with a first opening and a second opening; according to the invention, the spherical part is placed in the clamp, then the sealing cavity is filled with gas through the gas pipe and liquid is injected into the supporting cavity through the oil pipe, so that the supporting cavity is filled with high-pressure liquid, then the supporting cavity is sealed through the locking part, so that the supporting cavity is changed into a straight liquid supporting column, and the spherical part is supported and clamped; meanwhile, the pressure intensity in the sealing cavity is continuously increased, so that the supporting force of the gas on the supporting cavity is increased, and then the second electromagnetic valve is controlled to be closed, so that the gas pressure in the whole supporting bag is kept unchanged, and the stability of supporting the spherical part is improved.

Description

Fixture for machining spherical parts

Technical Field

The utility model belongs to the technical field of anchor clamps, specific anchor clamps are used in machining of spherical part that says so.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

Frock clamp has a lot in the market, but the machining anchor clamps to spherical part are few, because the surface of spherical part is mostly the curved surface consequently increased fixed degree of difficulty, what present spherical part machining anchor clamps adopted supports the clamping jaw and fixes a position the clamp tightly, because the area that supports clamping spherical part is limited, consequently has the unstable problem of support in the processing, and then influences spherical part machining's quality.

SUMMERY OF THE UTILITY MODEL

In order to make up the deficiency of the prior art, the utility model provides a fixture for machining of spherical parts. The utility model discloses the problem that influences globular part machining quality because the support presss from both sides tight unstability when processing globular part in the mainly used solution current anchor clamps.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a clamp for machining spherical parts, which comprises a bottom plate, a vertical plate, a sliding plate, a supporting bag, a separation wall, an air pipe, an oil pipe, a first electromagnetic valve, a second electromagnetic valve, a supporting plate, a limiting plate, a first spring, a sliding rail and a locking part; the two vertical plates are arranged on the upper surface of the bottom plate at intervals; the vertical plate is fixedly connected to the bottom plate; the sliding plates are symmetrically arranged between the vertical plates and are perpendicular to the vertical plates; the sliding plate is connected to the bottom plate and the vertical plate; two support bags are symmetrically arranged between the sliding plates; the supporting bag is made of flexible, wear-resistant and inelastic sealing cloth; one side of the supporting bag is fixedly connected to the sliding plate; the side surfaces of the supporting bags close to each other are parallel to the sliding plate; the support bags are uniformly provided with the partition walls at intervals; the inside of the supporting bag is divided into a plurality of sealed cavities by the partition wall; supporting cavities are uniformly arranged on one side of the partition wall at intervals; the supporting cavity is formed by intermittently pressing two layers of sealing cloth; the cross section of the supporting cavity is semicircular; one end of the support cavity close to the sliding plate penetrates through the side wall of the support bag; a first groove is formed in the sliding plate at a position corresponding to the support cavity; one end of the supporting cavity is abutted against the first groove; the middle position of the end surface of the supporting cavity is fixedly connected with one end of the oil pipe; the other end of the oil pipe penetrates through the sliding plate to be converged and then is fixedly connected to the first electromagnetic valve; one side of the sealing cavity, which is close to the sliding plate, is fixedly connected with one end of the air pipe; the other end of the air pipe penetrates through the sliding plate to be converged and then is fixedly connected to the second electromagnetic valve; the upper surface of the sliding plate is connected with the lower surface of the supporting plate; a first sinking groove is formed in the side face of one side, close to each other, of each of the two supporting plates; the sliding rails are uniformly arranged in the first sinking groove at intervals; the sliding rail is fixedly connected in the first sinking groove; the sliding rail is connected with the limiting plate in a sliding manner; the side walls of the adjacent limiting plates are mutually contacted; the side walls of the two limiting plates at the outermost side are in contact with the inner wall of the first sinking groove; a first spring is arranged between the limiting plate and the bottom of the first sinking groove; one end of the first spring is connected to the limiting plate; the other end of the first spring is connected to the bottom of the first sinking groove; the locking component is arranged in the sliding plate; the locking component is used for closing the supporting cavity.

When the device works, the limiting plates slide towards one side of the supporting plate under the action of the applied force by applying the force pointing to the supporting plate between the limiting plates at two sides, so that a spring arranged between the limiting plate and the bottom of a sinking groove is compressed, the limiting plates which are originally mutually abutted under the action of the elastic force of the spring are opened, then spherical parts to be processed are put in, the applied force is removed, a part of the limiting plates are again abutted under the action of the elastic force of the spring, the other part of the limiting plates are abutted on the spherical parts to be processed, and the supporting bag is closed, so that the supporting bag is prevented from leaking outside; the method comprises the following steps that gas is filled into a sealing cavity through a gas pipe, liquid is filled into a supporting cavity through an oil pipe, high-pressure liquid is filled into the supporting cavity along with the filling of the liquid, the supporting cavity is sealed through a locking component, the stability of the pressure in the supporting cavity is further ensured, a liquid supporting column is formed in the originally flexible supporting cavity, the spherical part is further supported and clamped, the pressure of the oil pipe between the supporting cavity and a first electromagnetic valve is maintained through a first electromagnetic slip, the stability of the liquid pressure in the supporting cavity is further ensured, and the stability of supporting and clamping of the spherical part is further improved; meanwhile, with the continuous filling of the gas, the pressure in the sealing cavity is continuously increased, the supporting force of the gas on the supporting cavity is increased, then the second electromagnetic valve is controlled to be closed, the gas pressure in the whole supporting bag is kept stable, the supporting of the sealing cavity on the liquid supporting column formed by the supporting cavity is further realized, the liquid supporting column formed by the supporting cavity is further prevented from being bent, and the stability of the spherical part supporting behind the liquid supporting column formed by the supporting cavity is further improved; and the high-pressure gas in the sealing cavity makes the side wall of the supporting bag closely contact with the spherical part to be processed, so that the friction force between the supporting bag and the spherical part to be processed is increased, and meanwhile, the high-pressure gas in the sealing cavity supports and clamps the spherical part to be processed through the side wall of the supporting bag, so that the supporting and clamping stability of the spherical part to be processed is further increased, and the processing quality of the spherical part is further improved.

Preferably, a first boss is arranged at the edge of one side of the support plate, which is close to the sliding plate; a second sinking groove is formed in the upper surface of the sliding plate at a position corresponding to the first boss; the first boss slides in the second sinking groove; the sliding plate is provided with the supporting seat; the supporting seat is fixedly connected to the upper surface of the sliding plate; a second boss is arranged on one side, close to the supporting seat, of the upper surface of the supporting plate; a screw is arranged on the supporting seat; one end of the screw rod penetrates through the supporting seat and is rotatably connected with the second boss; the screw rod is connected with the supporting seat through threads; a first through groove is formed in the position, corresponding to the sliding plate, of the side wall of one of the vertical plates; a sliding rod is arranged in the first through groove; one end of the sliding rod is fixed on the sliding plate; the other ends of the two sliding rods are connected through a screw rod; the spiral directions of the threads at the two ends of the screw rod are opposite; a worm wheel is arranged in the middle of the screw rod; the worm wheel is fixedly connected to the screw rod; a fixed seat is arranged above the worm wheel; the fixed seat is fixedly connected to the vertical plate; the fixed seat is provided with the worm; the worm is rotationally connected to the fixed seat; the worm wheel is in meshed transmission with the worm; two third bosses are arranged on the bottom surface of the sliding plate at intervals; a sliding groove is formed in the position, corresponding to the third boss, of the bottom plate; the third boss is connected in the sliding groove in a sliding mode.

During operation, through rotating the screw rod, and then the screw rod passes through the backup pad and drives a boss and slide in No. two heavy grooves, and then realized the ascending adjustment of backup pad and the vertical side of limiting plate, simultaneously through rotating the worm, and then the worm drives the worm wheel and rotates, and then the worm wheel drives the lead screw and rotates, again because the spiral direction of lead screw both ends screw thread is opposite, and then make between two slide bars to opposite direction or relative direction motion, and then realized the sliding plate along the ascending adjustment of anchor clamps length direction, and then when globular part diameter changes, can realize wrapping up globular part through control sliding plate and backup pad, and then realized that anchor clamps are applicable to the globular part of different diameters, and then increased the application scope of anchor clamps.

Preferably, one end of the limiting plate, which is far away from the supporting plate, is provided with a rotating ring; the rotating ring is rotatably connected to the limiting plate; the middle parts of the upper side surfaces of the two vertical plates are respectively provided with a fixing ring; the fixing ring is fixedly connected to the vertical plate; rotating wheels are arranged at the middle positions of the upper surfaces of the two supporting plates; the rotating wheel is rotationally connected to the supporting plate; a pull ring is arranged on one side of the fixed ring, which is close to the fixed seat; a rope is arranged on the pull ring; two ends of the rope respectively penetrate through the rotating ring and the rotating wheel and then are connected to the other fixing ring.

When spherical parts need to be put in, the pull ring is pulled, and then the pull ring drives and pulls the rope to contract, because the rope bypasses the rotating wheel, a component force pointing to the support plate is generated on the rotating ring when the rope contracts, so that the rotating ring drives the limiting plate to rapidly slide towards one side of the support plate, and meanwhile, a first spring arranged between the limiting plate and the bottom of the first sinking groove is compressed, so that the limiting plates which are originally mutually butted under the elastic action of the first spring are rapidly opened, and the spherical parts are rapidly taken and placed; when the force of the pull ring is removed, the limiting plate is pushed to move under the action of the elastic force of the first spring, so that the limiting plate is opened and the closed state is restored again, and the supporting bag is guaranteed to be closed all the time.

Preferably, the locking component comprises a locking block, a connecting rod and a hydraulic cylinder; a second through groove is formed in the upper surface of the sliding plate along the vertical direction at a position corresponding to the isolation wall; the second through groove is connected with the locking block in a sliding manner; an arc-shaped groove is formed in one side face of the locking block, close to the isolation wall, and corresponds to the support cavity; a notch is arranged at the lower edge of the arc-shaped groove; the upper ends of the locking blocks are connected through the connecting rod; both ends of the connecting rod are provided with hydraulic cylinders; an avoidance groove is formed in the position, corresponding to the hydraulic cylinder, of the sliding plate; the hydraulic cylinder is fixedly connected in the avoidance groove.

When the device works, the hydraulic cylinder is controlled to ascend, so that the hydraulic cylinder drives the connecting rod to ascend, the connecting rod drives the locking block to upwards slide in the second through groove, the arc-shaped groove is further moved upwards, the plane on the side of the arc-shaped groove is in extrusion contact with the supporting cavity, the liquid in the supporting cavity is further partitioned, and the sealing of the supporting cavity is further realized; through set up the breach in arc recess lower limb department, and then realize the sealed cloth extrusion of fold when supporting the chamber with the latch segment is sealed in the breach, and then prevented to support the chamber damaged, and then improved sealed cloth's life.

Preferably, a circular rotating block is arranged below the limiting plate; the circular rotating block is rotationally connected to the fixed ring; an arc-shaped notch is formed in the outer edge of the circular rotating block; the diameter of the circular rotating block is equal to the width of the limiting plate; a cylindrical boss is eccentrically arranged on the upper surface of the circular rotating block; the cylindrical boss is far away from the arc-shaped notch; the limiting plate is provided with an arc-shaped waist groove corresponding to the cylindrical boss; two springs are arranged on two sides of the cylindrical boss in the arc-shaped waist groove; one end of the second spring is in contact with the arc-shaped waist groove; the other end of the second spring is in contact with the cylindrical boss.

When the spherical part sealing device works, the circular rotating block is arranged, the arc-shaped notch is formed in the edge of the circular rotating block, and after the spherical part is placed in the spherical part, the limiting plate is contacted with the spherical part through the arc-shaped notch of the circular rotating block, so that the coverage area of the limiting plate around the spherical part is increased, the leakage of the supporting bag around the spherical part is reduced, and the reliability of the limiting plate on the sealing of the supporting bag around the spherical part is ensured; and because the two sides of the cylindrical boss in the arc-shaped waist groove are provided with the second springs, the arc-shaped notch of the circular rotating block always faces to the outside under the elastic action of the second springs after the spherical part is taken out, the circular rotating block is always in contact with the spherical part, and the reliability of the limiting plate for sealing the supporting bag around the spherical part is further ensured.

The utility model has the advantages as follows:

1. the utility model discloses in through exert the power of directional backup pad between the limiting plate of both sides, and then the limiting plate slides to backup pad one side under the effect of application, and then make the spring that sets up between limiting plate and the heavy groove tank bottom of a number compress, and then realize originally that the limiting plate of contradicting each other under the spring force effect opens, put into the globular part of waiting to process afterwards, then remove the application, and then conflict each other again under the spring force effect of a spring partly limiting plate, another partly limiting plate is contradicted on the globular part of waiting to process, and then realize closing the support bag, and then prevent the support bag from leaking outward; the method comprises the following steps that gas is filled into a sealing cavity through a gas pipe, liquid is filled into a supporting cavity through an oil pipe, high-pressure liquid is filled into the supporting cavity along with the filling of the liquid, the supporting cavity is sealed through a locking component, the stability of the pressure in the supporting cavity is further ensured, a liquid supporting column is formed in the originally flexible supporting cavity, the spherical part is further supported and clamped, the pressure of the oil pipe between the supporting cavity and a first electromagnetic valve is maintained through a first electromagnetic slip, the stability of the liquid pressure in the supporting cavity is further ensured, and the stability of supporting and clamping of the spherical part is further improved; meanwhile, with the continuous filling of the gas, the pressure in the sealing cavity is continuously increased, the supporting force of the gas on the supporting cavity is increased, then the second electromagnetic valve is controlled to be closed, the gas pressure in the whole supporting bag is kept stable, the supporting of the sealing cavity on the liquid supporting column formed by the supporting cavity is further realized, the liquid supporting column formed by the supporting cavity is further prevented from being bent, and the stability of the spherical part supporting behind the liquid supporting column formed by the supporting cavity is further improved; and the high-pressure gas in the sealing cavity makes the side wall of the supporting bag closely contact with the spherical part to be processed, so that the friction force between the supporting bag and the spherical part to be processed is increased, and meanwhile, the high-pressure gas in the sealing cavity supports and clamps the spherical part to be processed through the side wall of the supporting bag, so that the supporting and clamping stability of the spherical part to be processed is further increased, and the processing quality of the spherical part is further improved.

2. The utility model discloses in through rotating the screw rod, and then the screw rod passes through the backup pad and drives a boss and slide in No. two heavy grooves, and then realized the ascending adjustment of backup pad and the vertical side of limiting plate, simultaneously through rotating the worm, and then the worm drives the worm wheel and rotates, and then the worm wheel drives the lead screw and rotates, again because the screw direction of lead screw both ends screw thread is opposite, and then make between two slide bars to opposite direction or relative direction motion, and then realized the sliding plate along the ascending adjustment of anchor clamps length direction, and then when globular part diameter changes, can realize wrapping up globular part through control sliding plate and backup pad, and then realized that anchor clamps are applicable to the globular part of different diameters, and then increased the application scope of anchor clamps.

3. When spherical parts need to be put in, the pull ring is pulled, and then the pull ring drives and pulls the rope to contract, because the rope bypasses the rotating wheel, and then component force pointing to the support plate is generated on the rotating ring when the rope contracts, so that the rotating ring drives the limiting plate to slide towards one side of the support plate rapidly, and meanwhile, a spring arranged between the limiting plate and the bottom of the first sinking groove is compressed, so that the limiting plates which are originally mutually contradicted under the action of spring force are rapidly opened, and the spherical parts are rapidly taken and placed; when the force of the pull ring is removed, the limiting plate is pushed to move under the action of the elastic force of the first spring, so that the limiting plate is opened and the closed state is restored again, and the supporting bag is guaranteed to be closed all the time.

4. In the utility model, by controlling the ascending of the hydraulic cylinder, the hydraulic cylinder drives the connecting rod to ascend, and then the connecting rod drives the locking block to slide upwards in the second through groove, so that the arc-shaped groove is moved upwards, and the plane of the arc-shaped groove side is in extrusion contact with the supporting cavity, thereby realizing the partition of liquid in the supporting cavity, and further realizing the sealing of the supporting cavity; through set up the breach in arc recess lower limb department, and then realize the sealed cloth extrusion of fold when supporting the chamber with the latch segment is sealed in the breach, and then prevented to support the chamber damaged, and then improved sealed cloth's life.

5. The utility model discloses in through setting up circular turning block to the edge of circular turning block sets up the arc notch, after putting into globular part, makes the limiting plate pass through the arc notch of circular turning block and contact with globular part, and then increased the area of coverage of limiting plate around globular part, and then reduced the hourglass of supporting bag around globular part, and then guaranteed the limiting plate to support the reliability that the bag seals around globular part; and because the two sides of the cylindrical boss in the arc-shaped waist groove are provided with the second springs, the arc-shaped notch of the circular rotating block always faces to the outside under the elastic action of the second springs after the spherical part is taken out, the circular rotating block is always in contact with the spherical part, and the reliability of the limiting plate for sealing the supporting bag around the spherical part is further ensured.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the clamp of the present invention;

fig. 2 is a front view of the clamp of the present invention;

FIG. 3 is a schematic structural view of a support bag and a support wall according to the present invention;

fig. 4 is a schematic structural view of the sliding plate according to the present invention;

FIG. 5 is a schematic view of the structure of the sliding plate and the supporting bag according to the present invention;

fig. 6 is a schematic structural view of the support plate of the present invention;

fig. 7 is a schematic structural diagram of a limiting plate of the present invention;

fig. 8 is a schematic view of the support plate and the limiting plate of the present invention;

fig. 9 is a top view of the clamp of the present invention;

fig. 10 is a schematic view of the internal structure of the locking mechanism of the present invention;

FIG. 11 is a schematic view of the internal structure of the middle rotating ring and the circular rotating block of the present invention;

FIG. 12 is an enlarged view of a portion of FIG. 10 at A;

in the figure: the device comprises a bottom plate 1, a sliding groove 11, a vertical plate 2, a first through groove 21, a sliding rod 22, a screw rod 23, a worm wheel 24, a fixed seat 25, a worm 26, a sliding plate 3, a first groove 30, a second groove 31, a supporting seat 32, a screw rod 33, a third boss 34, a second through groove 35, an avoiding groove 36, a supporting bag 4, a partition wall 41, a sealing cavity 42, a supporting cavity 43, an air pipe 5, an oil pipe 51, a first electromagnetic valve 52, a second electromagnetic valve 53, a supporting plate 6, a first groove 601, a first boss 602, a second boss 603, a limiting plate 61, an arc-shaped waist groove 610, a first spring 62, a sliding rail 63, a locking part 7, a locking block 71, an arc-shaped groove 710, a notch 711, a connecting rod 72, a hydraulic cylinder 73, a rotating ring 8, a fixed ring 81, a rotating wheel 82, a pull ring 83, a rope 84, a circular rotating block 9, an arc-shaped.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 9, a fixture for machining a spherical part comprises a bottom plate 1, a vertical plate 2, a sliding plate 3, a supporting bag 4, a separation wall 41, an air pipe 5, an oil pipe 51, a first electromagnetic valve 52, a second electromagnetic valve 53, a supporting plate 6, a limiting plate 61, a first spring 62, a sliding rail 63 and a locking component 7; the two vertical plates 2 are arranged on the upper surface of the bottom plate 1 at intervals; the vertical plate 2 is fixedly connected to the bottom plate 1; the sliding plates 3 are symmetrically arranged between the vertical plates 2, and the sliding plates 3 are perpendicular to the vertical plates 2; the sliding plate 3 is connected to the bottom plate 1 and the vertical plate 2; two support bags 4 are symmetrically arranged between the sliding plates 3; the supporting bag 4 is made of flexible, wear-resistant and inelastic sealing cloth; one side of the supporting bag 4 is fixedly connected to the sliding plate 3; the side surfaces of the supporting bags 4 close to each other are parallel to the sliding plate 3; the separation walls 41 are uniformly arranged in the support bag 4 at intervals; the separation wall 41 separates the interior of the support bag 4 into a plurality of sealed cavities 42; one side of the partition wall 41 is uniformly provided with supporting cavities 43 at intervals; the supporting cavity 43 is formed by intermittently pressing two layers of sealing cloth; the cross section of the supporting cavity 43 is semicircular; the supporting cavity 43 penetrates through the side wall of the supporting bag 4 near one end of the sliding plate 3; a first groove 30 is arranged on the sliding plate 3 at a position corresponding to the support cavity 43; one end of the supporting cavity 43 is abutted against the first groove 30; one end of the oil pipe 51 is fixedly connected to the middle position of the end surface of the supporting cavity 43; the other end of the oil pipe 51 penetrates through the sliding plate 3 to be converged and then is fixedly connected to the first electromagnetic valve 52; the sealing cavity 42 is close to one side of the sliding plate 3 and is fixedly connected with one end of the air pipe 5; the other end of the air pipe 5 penetrates through the sliding plate 3 to be converged and then is fixedly connected to the second electromagnetic valve 53; the upper surface of the sliding plate 3 is connected with the lower surface of the supporting plate 6; a first sinking groove 601 is formed in the side face of one side, close to each other, of each of the two support plates 6; the sliding rails 63 are uniformly arranged in the first sinking groove 601 at intervals; the sliding rail 63 is fixedly connected in the first sinking groove 601; the slide rail 63 is connected with the limit plate 61 in a sliding manner; the side walls of the adjacent limiting plates 61 are mutually contacted; the side walls of the two outermost limiting plates 61 are in contact with the inner wall of the first sinking groove 601; a first spring 62 is arranged between the limiting plate 61 and the bottom of the first sinking groove 601; one end of the first spring 62 is connected to the limit plate 61; the other end of the first spring 62 is connected to the bottom of the first sinking groove 601; the locking component 7 is arranged in the sliding plate 3; the locking member 7 is used to close the support cavity 43.

When the spherical part sealing device works, force pointing to the supporting plate 6 is applied between the limiting plates 61 on the two sides, and then the limiting plates 61 slide towards one side of the supporting plate 6 under the action of the applied force, so that the first springs 62 arranged between the limiting plates 61 and the bottoms of the first grooves 601 are compressed, and then the limiting plates 61 which are originally mutually abutted under the elastic force of the first springs 62 are opened, then spherical parts to be processed are put in, the applied force is removed, and then a part of the limiting plates 61 are mutually abutted again under the elastic force of the first springs 62, and the other part of the limiting plates 61 are abutted on the spherical parts to be processed, so that the supporting bag 4 is sealed, and the supporting bag 4 is prevented from leaking outside; next, the sealing cavity 42 is filled with gas through the gas pipe 5, the supporting cavity 43 is filled with liquid through the oil pipe 51, the supporting cavity 43 is filled with high-pressure liquid along with the liquid injection, then the supporting cavity 43 is sealed through the locking part 7, the stability of the pressure in the supporting cavity 43 is guaranteed, a liquid supporting column is formed in the originally flexible supporting cavity 43, the spherical part is supported and clamped, and finally the pressure of the oil pipe 51 between the supporting cavity 43 and the first electromagnetic valve 52 is maintained through the first electromagnetic slip, so that the stability of the liquid pressure in the supporting cavity 43 is further guaranteed, and the stability of the supporting and clamping of the spherical part is further improved; meanwhile, with the continuous filling of the gas, the pressure in the sealing cavity 42 is continuously increased, the supporting force of the gas on the supporting cavity 43 is increased, and then the second electromagnetic valve 53 is controlled to be closed, so that the gas pressure in the whole supporting bag 4 is kept stable, the sealing cavity 42 is used for supporting the liquid supporting column formed by the supporting cavity 43, the liquid supporting column formed by the supporting cavity 43 is prevented from being bent, and the stability of the spherical part support behind the liquid supporting column formed by the supporting cavity 43 is improved; and high-pressure gas in the sealed chamber 42 makes the lateral wall of supporting bag 4 and wait to process the spherical part in close contact with, and then has increased the frictional force between supporting bag 4 and the spherical part of waiting to process, and high-pressure gas in the sealed chamber 42 treats through supporting bag 4 lateral wall that the spherical part of processing produces to support and presss from both sides tightly simultaneously, has further increased and has waited to process the spherical part and supported the tight stability of clamp, and then has improved the processingquality of spherical part.

As shown in fig. 1, 5, 6 and 8, a first boss 602 is provided at the edge of the support plate 6 near one side of the sliding plate 3; a second sinking groove 31 is arranged on the upper surface of the sliding plate 3 at a position corresponding to the first boss 602; the first boss 602 slides in the second sinking groove 31; the sliding plate 3 is provided with the supporting seat 32; the support base 32 is fixedly connected to the upper surface of the slide plate 3; a second boss 603 is arranged on one side, close to the support seat 32, of the upper surface of the support plate 6; a screw 33 is arranged on the supporting seat 32; one end of the screw 33 passes through the support seat 32 and is rotatably connected with the second boss 603; the screw 33 is in threaded connection with the support seat 32; a first through groove 21 is arranged on the side wall of one of the vertical plates 2 at a position corresponding to the sliding plate 3; a sliding rod 22 is arranged in the first through groove 21; one end of the sliding rod 22 is fixed on the sliding plate 3; the other ends of the two sliding rods 22 are connected through a screw rod 23; the spiral directions of the threads at the two ends of the screw rod 23 are opposite; a worm wheel 24 is arranged in the middle of the screw rod 23; the worm wheel 24 is fixedly connected to the screw rod 23; a fixed seat 25 is arranged above the worm wheel 24; the fixed seat 25 is fixedly connected to the vertical plate 2; the worm 26 is arranged on the fixed seat; the worm 26 is rotatably connected to the fixed seat 25; the worm wheel 24 is in meshed transmission with the worm 26; two third bosses 34 are arranged on the bottom surface of the sliding plate 3 at intervals; a sliding groove 11 is formed in the position, corresponding to the third boss 34, of the bottom plate 1; the third boss 34 is slidably connected in the sliding groove 11.

During operation, through rotating screw rod 33, and then screw rod 33 passes through backup pad 6 and drives a boss 602 and slide in No. two heavy grooves 31, and then realized backup pad 6 and the ascending adjustment of limiting plate 61 vertical side, simultaneously through rotating worm 26, and then worm 26 drives worm wheel 24 and rotates, and then worm wheel 24 drives lead screw 23 and rotates, again because the spiral direction of lead screw 23 both ends screw thread is opposite, and then make between two slide bars 22 to opposite direction or relative direction motion, and then realized sliding plate 3 along the ascending adjustment of anchor clamps length direction, and then when the globular part diameter changes, can realize wrapping up globular part through control sliding plate 3 and backup pad 6, and then realized that anchor clamps are applicable to the globular part of different diameters, and then increased the application scope of anchor clamps.

As shown in fig. 1 and 9, one end of the limiting plate 61 away from the supporting plate 6 is provided with a rotating ring 8; the rotating ring 8 is rotatably connected to the limiting plate 61; the middle parts of the upper edge surfaces of the two vertical plates 2 are respectively provided with a fixing ring 81; the fixing ring 81 is fixedly connected to the vertical plate 2; rotating wheels 82 are arranged at the middle positions of the upper surfaces of the two supporting plates 6; the rotating wheel 82 is rotationally connected to the supporting plate 6; a pull ring 83 is arranged on one side, close to the fixed seat 25, of the fixed ring 81; a rope 84 is arranged on the pull ring 83; two ends of the rope 84 are respectively connected to the other fixed ring 81 after passing through the rotating ring 8 and the rotating wheel 82.

When spherical parts need to be placed, the pull ring 83 is pulled, the pull ring 83 drives the traction rope 84 to contract, the rope 84 bypasses the rotating wheel 82, a component force pointing to the support plate 6 is generated on the rotating ring 8 when the rope 84 contracts, the rotating ring 8 drives the limiting plate 61 to rapidly slide towards one side of the support plate 6, and meanwhile, the first spring 62 arranged between the limiting plate 61 and the bottom of the first sinking groove 601 is compressed, so that the limiting plates 61 which are originally mutually butted under the elastic force action of the first spring 62 are rapidly opened, and the spherical parts are rapidly taken and placed; when the force of the pull ring 83 is removed, the limiting plate 61 is pushed to move under the action of the elastic force of the first spring 62, so that the limiting plate 61 is opened to restore the closed state again, and the supporting bag 4 is guaranteed to be closed all the time.

As shown in fig. 1, 10 and 12, the locking member 7 includes a locking block 71, a connecting rod 72 and a hydraulic cylinder 73; a second through groove 35 is arranged on the upper surface of the sliding plate 3 along the vertical direction at a position corresponding to the separation wall 41; the second through groove 35 is connected with the locking block 71 in a sliding manner; an arc-shaped groove 710 is formed in one side surface of the locking block 71, which is close to the partition wall 41, and corresponds to the support cavity 43; a notch 711 is arranged at the lower edge of the arc-shaped groove 710; the upper ends of the locking blocks 71 are connected through the connecting rods 72; both ends of the connecting rod 72 are provided with hydraulic cylinders 73; an avoidance groove 36 is arranged at the position of the sliding plate 3 corresponding to the hydraulic cylinder 73; the hydraulic cylinder 73 is fixedly connected in the escape groove 36.

When the support device works, the hydraulic cylinder 73 is controlled to ascend, the hydraulic cylinder 73 drives the connecting rod 72 to ascend, the connecting rod 72 drives the locking block 71 to slide upwards in the second through groove 35, the arc-shaped groove 710 is further moved upwards, the plane on the side of the arc-shaped groove 710 is in extrusion contact with the support cavity 43, the liquid in the support cavity 43 is further separated, and the support cavity 43 is further sealed; through set up breach 711 at arc recess 710 lower limb department, and then realize pushing the sealed cloth of fold in breach 711 when supporting chamber 43 with the sealed of latch segment 71, and then prevented to support chamber 43 damage, and then improved sealed cloth's life.

As shown in fig. 7 and 11, a circular rotating block 9 is arranged below the limiting plate 61; the circular rotating block 9 is rotatably connected to the fixed ring 81; an arc-shaped notch 91 is formed in the outer edge of the circular rotating block 9; the diameter of the circular rotating block 9 is equal to the width of the limiting plate 61; a cylindrical boss 92 is eccentrically arranged on the upper surface of the circular rotating block 9; the cylindrical boss 92 is far away from the arc-shaped notch 91; the limiting plate 61 is provided with an arc-shaped waist groove 610 corresponding to the cylindrical boss 92; a second spring 93 is arranged on each of two sides of the cylindrical boss 92 in the arc-shaped waist groove 610; one end of the second spring 93 is in contact with the arc-shaped waist groove 610; the other end of the second spring 93 contacts the cylindrical boss 92.

When the spherical part sealing device works, the circular rotating block 9 is arranged, the arc-shaped notch 91 is formed in the edge of the circular rotating block 9, after a spherical part is placed in the spherical part, the limiting plate 61 is in contact with the spherical part through the arc-shaped notch 91 of the circular rotating block 9, the coverage area of the limiting plate 61 around the spherical part is increased, the leakage of the supporting bag 4 around the spherical part is reduced, and the reliability of the limiting plate 61 for sealing the supporting bag 4 around the spherical part is guaranteed; and because the two sides of the cylindrical boss 92 in the arc-shaped waist groove 610 are provided with the second springs 93, the arc-shaped notch 91 always faces outwards under the elastic force action of the second springs 93 of the circular rotating block 9 after the spherical part is taken out, so that the arc-shaped notch 91 always faces the spherical part when the circular rotating block 9 is contacted with the spherical part, and the reliability of the limiting plate 61 for sealing the supporting bag 4 around the spherical part is further ensured.

While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a spherical spare part anchor clamps for machine tooling which characterized in that: the device comprises a bottom plate (1), a vertical plate (2), a sliding plate (3), a supporting bag (4), a partition wall (41), an air pipe (5), an oil pipe (51), a first electromagnetic valve (52), a second electromagnetic valve (53), a supporting plate (6), a limiting plate (61), a first spring (62), a sliding rail (63) and a locking component (7); the upper surface of the bottom plate (1) is provided with two vertical plates (2) at intervals; the vertical plate (2) is fixedly connected to the bottom plate (1); the sliding plates (3) are symmetrically arranged between the vertical plates (2), and the sliding plates (3) are vertical to the vertical plates (2); the sliding plate (3) is connected to the bottom plate (1) and the vertical plate (2); two support bags (4) are symmetrically arranged between the sliding plates (3); the supporting bag (4) is made of flexible, wear-resistant and inelastic sealing cloth; one side of the supporting bag (4) is fixedly connected to the sliding plate (3); the side surfaces of the side surfaces, close to each other, of the supporting bags (4) are parallel to the sliding plate (3); the separation walls (41) are uniformly arranged in the support bag (4) at intervals; the separation wall (41) separates the interior of the support bag (4) into a plurality of sealed cavities (42); supporting cavities (43) are uniformly arranged on one side of the partition wall (41) at intervals; the supporting cavity (43) is formed by intermittently pressing two layers of sealing cloth; the cross section of the supporting cavity (43) is semicircular; one end of the support cavity (43) close to the sliding plate (3) penetrates through the side wall of the support bag (4); a first groove (30) is formed in the sliding plate (3) at a position corresponding to the support cavity (43); one end of the supporting cavity (43) is abutted against the first groove (30); the middle position of the end surface of the supporting cavity (43) is fixedly connected with one end of the oil pipe (51); the other end of the oil pipe (51) penetrates through the sliding plate (3) to be converged and then is fixedly connected to the first electromagnetic valve (52); one end of the sealed cavity (42) close to one side of the sliding plate (3) is fixedly connected with one end of the air pipe (5); the other end of the air pipe (5) penetrates through the sliding plate (3) to be converged and then is fixedly connected to the second electromagnetic valve (53); the upper surface of the sliding plate (3) is connected with the lower surface of the supporting plate (6); a first sinking groove (601) is formed in the side face of one side, close to each other, of each of the two support plates (6); the sliding rails (63) are uniformly arranged in the first sinking groove (601) at intervals; the sliding rail (63) is fixedly connected in the first sinking groove (601); the sliding rail (63) is connected with the limiting plate (61) in a sliding manner; the side walls of the adjacent limiting plates (61) are mutually contacted; the side walls of the two outermost limiting plates (61) are in contact with the inner wall of the first sinking groove (601); a first spring (62) is arranged between the limiting plate (61) and the bottom of the first sinking groove (601); one end of the first spring (62) is connected to the limiting plate (61); the other end of the first spring (62) is connected to the bottom of the first sinking groove (601); the sliding plate (3) is internally provided with the locking component (7); the locking member (7) is used for closing the supporting cavity (43).

2. The jig for machining spherical parts according to claim 1, characterized in that: a first boss (602) is arranged at the edge of the support plate (6) close to one side of the sliding plate (3); a second sinking groove (31) is formed in the upper surface of the sliding plate (3) at a position corresponding to the first boss (602); the first boss (602) slides in the second sinking groove (31); the sliding plate (3) is provided with a supporting seat (32); the supporting seat (32) is fixedly connected to the upper surface of the sliding plate (3); a second boss (603) is arranged on one side, close to the supporting seat (32), of the upper surface of the supporting plate (6); a screw rod (33) is arranged on the supporting seat (32); one end of the screw rod (33) penetrates through the supporting seat (32) to be rotatably connected with the second boss (603); the screw rod (33) is in threaded connection with the supporting seat (32); a one-number through groove (21) is formed in the side wall of one of the vertical plates (2) at a position corresponding to the sliding plate (3); a sliding rod (22) is arranged in the first through groove (21); one end of the sliding rod (22) is fixed on the sliding plate (3); the other ends of the two sliding rods (22) are connected through a screw rod (23); the spiral directions of the threads at the two ends of the screw rod (23) are opposite; a worm wheel (24) is arranged in the middle of the screw rod (23); the worm wheel (24) is fixedly connected to the screw rod (23); a fixed seat (25) is arranged above the worm wheel (24); the fixed seat (25) is fixedly connected to the vertical plate (2); a worm (26) is arranged on the fixed seat; the worm (26) is rotationally connected to the fixed seat (25); the worm wheel (24) is in meshed transmission with the worm (26); two third bosses (34) are arranged on the bottom surface of the sliding plate (3) at intervals; a sliding groove (11) is formed in the position, corresponding to the third boss (34), of the bottom plate (1); the third boss (34) is connected in the sliding groove (11) in a sliding mode.

3. The jig for spherical component machining according to claim 2, characterized in that: one end, far away from the supporting plate (6), of the limiting plate (61) is provided with a rotating ring (8); the rotating ring (8) is rotatably connected to the limiting plate (61); the middle parts of the upper side surfaces of the two vertical plates (2) are respectively provided with a fixing ring (81); the fixing ring (81) is fixedly connected to the vertical plate (2); rotating wheels (82) are arranged at the middle positions of the upper surfaces of the two supporting plates (6); the rotating wheel (82) is rotationally connected to the supporting plate (6); a pull ring (83) is arranged on one side, close to the fixed seat (25), of the fixed ring (81); a rope (84) is arranged on the pull ring (83); two ends of the rope (84) are respectively connected to the other fixing ring (81) after passing through the rotating ring (8) and the rotating wheel (82).

4. The jig for spherical component machining according to claim 3, characterized in that: the locking component (7) comprises a locking block (71), a connecting rod (72) and a hydraulic cylinder (73); a second through groove (35) is formed in the upper surface of the sliding plate (3) in the vertical direction at a position corresponding to the partition wall (41); the second through groove (35) is connected with the locking block (71) in a sliding manner; an arc-shaped groove (710) is formed in one side of the side face of the locking block (71) close to the partition wall (41) and corresponds to the support cavity (43); a notch (711) is arranged at the lower edge of the arc-shaped groove (710); the upper ends of the locking blocks (71) are connected through the connecting rod (72); both ends of the connecting rod (72) are provided with hydraulic cylinders (73); an avoidance groove (36) is formed in the position, corresponding to the hydraulic cylinder (73), of the sliding plate (3); the hydraulic cylinder (73) is fixedly connected in the avoidance groove (36).

5. The jig for spherical component machining according to claim 4, characterized in that: a circular rotating block (9) is arranged below the limiting plate (61); the round rotating block (9) is rotationally connected to the fixed ring (81); an arc-shaped notch (91) is formed in the outer edge of the circular rotating block (9); the diameter of the circular rotating block (9) is equal to the width of the limiting plate (61); a cylindrical boss (92) is eccentrically arranged on the upper surface of the circular rotating block (9); the cylindrical boss (92) is far away from the arc-shaped notch (91); the limiting plate (61) is provided with an arc-shaped waist groove (610) corresponding to the cylindrical boss (92); a second spring (93) is arranged on each of two sides of the cylindrical boss (92) in the arc-shaped waist groove (610); one end of the second spring (93) is in contact with the arc-shaped waist groove (610); the other end of the second spring (93) is in contact with the cylindrical boss (92).