CN114572683A

CN114572683A - Grabbing device for machine-building

Info

Publication number: CN114572683A
Application number: CN202210489209.3A
Authority: CN
Inventors: 张�杰
Original assignee: Nantong Jielei Machinery Co ltd
Current assignee: Nantong Jielei Machinery Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-06-03

Abstract

The invention discloses a grabbing device for machine manufacturing, which comprises an assembling mechanism, wherein a hoisting assembly is installed at the front end of the assembling mechanism, a grabbing mechanism is installed at the lower end of the hoisting assembly, a steel ring, a hook claw and a short-circuit column are assembled and installed through a thin bolt rod, meanwhile, connecting balls paired with clamping springs are effectively isolated from each other, mutual interference when the tightness degree between the clamping springs and the connecting balls is adjusted is avoided, the elastic extrusion strength of the clamping springs to the two sides of the connecting balls can be changed by rotating clamping blocks on the two sides of the connecting balls, through the operation, a movable range is provided for arc shaking of the hook claw on a horizontal plane around the short-circuit column as a center, and in combination with the left and right bouncing effect of the springs, the force is relieved through rotation with a certain amplitude when external force impacts an accessory.

Description

Grabbing device for machine-building

Technical Field

The invention relates to the technical field of machine manufacturing, in particular to a grabbing device for machine manufacturing.

Background

The mechanical manufacturing refers to industrial departments engaged in the production of various power machines, hoisting and transporting machines, chemical machinery, textile machinery, machine tools, instruments, meters and other mechanical equipment and the like; the machine-building industry provides technical equipment for whole national economy, and wherein, the grabbing device that involves among the machine-building process provides convenience for the staff carries large-scale accessories, avoids the direct transport of manpower, and the work efficiency who causes is low and brings accessories impaired, and phenomenons such as workman's injury take place.

The existing grabbing device for machine manufacturing cannot utilize the left and right springing effect of a spring to deflect impact force and unload force, does not have the shock absorption buffering function in the vertical direction, is poor in flexibility between structures, is unsmooth in continuity between the structures, cannot closely attach and grab accessories in different structure shapes, does not have the functions of resisting impact and preventing the accessories from falling off, and cannot stably grab and transport the accessories.

Disclosure of Invention

In order to solve the technical problems, the invention provides a grabbing device for machine manufacturing, which solves the problems that the existing grabbing device for machine manufacturing cannot utilize the left and right spring effect of a spring to deflect and unload impact force, does not have a damping and buffering function in the vertical direction, has poor flexibility between structures, is not smooth in continuity between the structures, cannot closely attach and grab accessories with different structural shapes, does not have an impact-resistant anti-accessory falling-off function, and cannot stably grab and transport the accessories.

In order to achieve the purpose, the invention is realized by the following technical scheme: the grabbing device for machine manufacturing comprises an assembling mechanism, wherein a hoisting assembly is installed at the front end of the assembling mechanism, and a grabbing mechanism is installed at the lower end of the hoisting assembly;

the hoisting assembly comprises a short connecting column, a disc plate is fixedly connected to the middle position of the upper end surface of the short connecting column, a top ring is fixedly connected to the surface of the short connecting column, and jacks are formed in the lower end surface of the top ring in a circular array;

the grabbing mechanism comprises a hook claw, the surface of the upper end of the hook claw is fixedly connected with a connecting ball, the lower end of the hook claw is fixedly connected with a bow-shaped plate, and the lower end of the bow-shaped plate is provided with a side clamping block.

Preferably, the surface of the short connecting column is movably provided with a first spiral ring, the surface of the first spiral ring is provided with an upper turning groove in a circular array, the surface of the lower end of the short connecting column is fixedly connected with a lower short column, and the surface of the lower short column is movably provided with a second spiral ring.

Preferably, the surface of second spiro is circular array and has seted up down turn-ups, turn-ups and last turn-ups cooperate correspondingly down, the inside of short column is close to the outside side and has been seted up the annular down, the spiral bullet strip is installed in the inboard gomphosis of annular, first spiro and short connection post thread mounting, second spiro and short column thread mounting down, wherein, first spiro is located the lower extreme setting of apical ring.

Preferably, install central (holding) chuck between first spiro and the second spiro, central (holding) chuck establishes the installation with the short circuit post cover, the steel ring is installed to the upper end of central (holding) chuck, the surface of steel ring is equilateral triangle and is provided with the thin pole of bolt, the thin pole of bolt runs through the steel ring and inserts through jack and apical ring and put the installation.

Preferably, the central chuck is installed through spiral bullet strip and lower short column bullet, the lower extreme and the central chuck composite mount of the thin pole of bolt, the grip block is installed on the surface of steel ring and the both sides that are located the thin pole of bolt, the grip block is kept away from one side of the thin pole of bolt and is installed the centre gripping spring, centre gripping spring and steel ring sliding installation, grip block and steel ring threaded installation, the steel ring passes through the thin pole of bolt and the cooperation of central chuck and short-circuit column composite mount, when the thin pole of bolt is installed the steel ring together with colluding claw and short-circuit column composite mount, effectively with the connection ball that each centre gripping spring paird mutual isolation, mutual interference when avoiding adjusting the elasticity degree between centre gripping spring and the connection ball, the grip block of accessible swivelling joint ball both sides changes the elasticity extrusion intensity of centre gripping spring to the connection ball both sides.

Preferably, one side of the side clamping block, which is far away from the bow plate, is provided with a positioning ring, the rear end surface of the positioning ring is provided with positioning inserting strips in a circular array manner, one side of the side clamping block, which is close to the bow plate, is fixedly connected with a shaft rod, the surface of the bow plate is provided with aligning holes, and the side clamping block is positioned at the front side and the rear side of the bow plate and is symmetrically arranged.

Preferably, the side clamping block is assembled with the bow plate through a positioning insertion strip on the positioning ring in a matching mode, wherein the side clamping block is rotatably installed with the bow plate through a shaft rod, a curved surface, a plane and a multi-edge surface are arranged on the surface of the side clamping block, the hook claw is movably installed with the steel ring through a connecting ball, the hook claw is correspondingly matched with the upward turning groove and the downward turning groove respectively, the side structural shape of the side clamping block facing the accessory to be grabbed is adjusted, the specific contact surface between the side clamping block and the accessory is adjusted and changed according to the specific structural shape of the accessory, then the side clamping block is inserted into the alignment hole again through the positioning insertion strip, the side clamping block is located on two sides of the bow plate and fixed, and different contact surfaces are arranged on the surface of the side clamping block, so that the grabbing device can grab the accessory with different structural shapes in a tight fit mode.

Preferably, the assembling mechanism comprises a short assembling rod, a clamping groove for facilitating assembling is formed in the surface of the rear end of the short assembling rod, an outer spherical shell is installed at the front end of the short assembling rod, an air pressure cover is installed on the inner side of the outer spherical shell, a built-in spring is installed between the outer spherical shell and the air pressure cover, and the air pressure cover is elastically installed with the outer spherical shell through the built-in spring.

Preferably, a sucker cover is installed on the inner side of the air pressure cover, a bolt rod is installed in the middle of the inner side of the sucker cover, the air pressure cover and the sucker cover are symmetrically arranged at two ends of the bolt rod, the sucker cover is installed with the outer spherical shell through the bolt rod in a combined mode, the short connecting column is installed with the short installation rod in a movable hinged mode through matching of the disc plate, the outer spherical shell and the bolt rod, the air pressure cover is tightly attached to the disc plate through a built-in spring, the sucker cover is installed with the disc plate in an adsorption mode through the air pressure cover in an adsorption mode, the disc plate corresponds to the outer spherical shell and is installed at the front end of the short installation rod, the surfaces of two sides of the disc plate can be tightly attached and adsorbed through the air pressure cover and the sucker cover, the effective contact area between the disc plate and the inner side of the outer spherical shell is reduced, and the friction force between the outer spherical shell and the disc plate when the sucker rotates around the bolt rod is reduced.

The invention provides a grabbing device for machine manufacturing. The method has the following beneficial effects:

1. this grabbing device for machine-building, when colluding claw and short connecting column combination installation with the steel ring through the thin pole of bolt, effectively keep apart each other the connection ball that each clamping spring is paired, mutual interference when avoiding adjusting the clamping spring and being connected the elasticity degree between the ball, the grip block of accessible swivelling joint ball both sides, change the elasticity extrusion strength of clamping spring to connecting the ball both sides, through the aforesaid operation, for colluding the claw and rock around the circular arc that the short connecting column is the center on the horizontal plane and provide movable range, and combine the spring about the spring bullet move the effect, unload power through the rotation of certain range with the impact of external force to the accessory.

2. This grabbing device for machine-building, through the inseparable cooperation of connecting ball and central chuck, when the connection ball is located rotatory activity between first spiro and the second spiro, utilize the spiral elastic strip that central chuck lower extreme is connected, can effectively provide the ascending shock attenuation buffering of vertical side to connecting the ball, when improving the flexibility of snatching between mechanism and the hoist and mount subassembly structure, further alleviate external force to hoist and mount subassembly and snatch the impact wear of part junction between the mechanism, effectively accomplish the equipment of snatching mechanism and hoist and mount subassembly through first spiro and second spiro, moreover, the steam generator is simple in structure, the installation is convenient with the dismantlement, and the accessible is manual draws close three groups of bow-shaped plate, fix in real time and snatch the accessory, also can use through cooperating with the motor, realize grabbing device snatchs the automation of accessory.

3. This grabbing device for machine-building, correspond outer spherical shell through the disc board and install the front end at short dress pole, can rely on the inseparable laminating of pneumatic pressure cover and sucking disc cover to disc board both sides surface and adsorb, reduce disc board and the inboard effective area of contact of outer spherical shell, reduce the frictional force when rotating around the bolt pole between outer spherical shell and the disc board, make the continuity between the structure more smooth, and cover pneumatic pressure together with sucking disc cover in the subtend extrusion of disc board side through built-in spring and adsorb, form the hemisphere cavity of multilayer cage cover, play certain sound insulation and shock attenuation effect.

4. This grabbing device for machine-building, through extracting the holding ring, extract the location cutting by the counterpoint hole, then it is rotatory around the axostylus axostyle at the both sides of bow board, adjust the side clamp splice orientation and wait to snatch the side structure shape of accessory, according to the concrete structure shape of accessory, adjust and change the concrete contact surface between side clamp splice and the accessory, then reinsert in the counterpoint hole through the location cutting again, it fixes to be located the both sides of bow board with the side clamp splice, utilize the side clamp splice be provided with different contact surfaces on the surface, can realize that grabbing device snatchs to the inseparable laminating of the not isostructure molding accessory, realize the perfect laminating between grabbing device and the multiple accessory surface, avoid snatching in-process accessory and take place local not hard up and fall the damage.

5. This grabbing device for machine-building, run through by the steel ring through connecting the ball, be together assembled around the lower extreme of shorting post together with colluding the claw, through colluding the claw respectively with turn over the groove on with turn over the groove down and correspond the cooperation, make colluding the claw under the drive of connecting the ball, it is rotatory around the tangent point of connecting ball and steel ring, realize that bow board lower extreme snatchs the expansion and the closure in space, through the special bow font structure that utilizes bow board, can snatch the back at grabbing device to the accessory, at the winding rope of the indent structure department of bow board, increase the firm degree that bow board bottom snatched the accessory, avoid the device to receive external force collision and lead to the accessory to drop, guarantee grabbing device steadily snatchs and transports the accessory.

Drawings

FIG. 1 is a schematic view of an external structure of a gripping device for machine manufacturing according to the present invention;

FIG. 2 is a schematic structural diagram of an assembly mechanism according to the present invention;

FIG. 3 is a schematic view of a partial structure of the shorting post of the present invention;

FIG. 4 is a schematic top view of the lower stub of the present invention;

FIG. 5 is a schematic view of the construction of the Chinese character bow plate of the present invention;

fig. 6 is a partial structural view of a contact assembly of the present invention.

In the figure: 1. an assembly mechanism; 11. short-mounting the rod; 12. clamping grooves; 13. an outer spherical shell; 14. a pneumatic cover; 15. a sucker cover; 16. a latch rod; 17. a built-in spring; 2. hoisting the assembly; 201. a shorting post; 202. a disc plate; 203. a top ring; 204. a jack; 205. a first spiro ring; 206. turning up the groove; 207. a lower short column; 208. a second spiro ring; 209. downward turning the groove; 210. a spiral elastic strip; 211. a central chuck; 212. steel ring; 213. a bolt pin; 214. a clamping block; 215. a clamping spring; 3. a grabbing mechanism; 31. hooking claws; 32. a connecting ball; 33. a Chinese character bow plate; 34. a side clamping block; 35. a positioning ring; 36. positioning the cutting; 37. a shaft lever; 38. and aligning holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

As shown in fig. 1 to 6, the present invention provides a technical solution: the device comprises an assembling mechanism 1, wherein a hoisting component 2 is arranged at the front end of the assembling mechanism 1, and a grabbing mechanism 3 is arranged at the lower end of the hoisting component 2; the assembling mechanism 1 comprises a short assembling rod 11, a clamping groove 12 for facilitating assembling is formed in the surface of the rear end of the short assembling rod 11, an outer spherical shell 13 is installed at the front end of the short assembling rod 11, an air pressure cover 14 is installed on the inner side of the outer spherical shell 13, a built-in spring 17 is installed between the outer spherical shell 13 and the air pressure cover 14, and the air pressure cover 14 is elastically installed with the outer spherical shell 13 through the built-in spring 17; the inner side of the air pressure cover 14 is provided with a sucker cover 15, the middle position of the inner side of the sucker cover 15 is provided with a plug rod 16, the air pressure cover 14 and the sucker cover 15 are symmetrically arranged at two ends of the plug rod 16, the sucker cover 15 is combined and installed with the outer spherical shell 13 through the plug rod 16, the short-circuit column 201 is movably hinged and installed with the short installation rod 11 through the matching of the disc plate 202, the outer spherical shell 13 and the plug rod 16, the air pressure cover 14 is tightly attached to the disc plate 202 through a built-in spring 17, and the sucker cover 15 is installed with the disc plate 202 through the air pressure cover 14 in an adsorption manner; the hoisting assembly 2 comprises a short connection column 201, a disc plate 202 is fixedly connected to the middle position of the upper end surface of the short connection column 201, a top ring 203 is fixedly connected to the surface of the short connection column 201, and jacks 204 are formed in the lower end surface of the top ring 203 in a circular array; a first spiral ring 205 is movably mounted on the surface of the short connecting column 201, an upper turning groove 206 is formed in the surface of the first spiral ring 205 in a circular array, a lower short column 207 is fixedly connected to the surface of the lower end of the short connecting column 201, and a second spiral ring 208 is movably mounted on the surface of the lower short column 207; the surface of the second spiral ring 208 is provided with downward turning grooves 209 in a circular array, the downward turning grooves 209 are correspondingly matched with the upward turning grooves 206, a ring groove is formed in the lower short column 207 close to the outer side, a spiral elastic strip 210 is embedded and mounted on the inner side of the ring groove, the first spiral ring 205 is in threaded mounting with the short column 201, the second spiral ring 208 is in threaded mounting with the lower short column 207, and the first spiral ring 205 is positioned at the lower end of the top ring 203; a central chuck 211 is arranged between the first spiral ring 205 and the second spiral ring 208, the central chuck 211 and the short-circuit column 201 are installed in a sleeved mode, a steel ring 212 is installed at the upper end of the central chuck 211, a bolt thin rod 213 is arranged on the surface of the steel ring 212 in an equilateral triangle mode, and the bolt thin rod 213 penetrates through the steel ring 212 and is installed with the top ring 203 in an inserting mode through an inserting hole 204; the central chuck 211 is elastically installed with the lower short column 207 through the spiral elastic strip 210, the lower end of the bolt thin rod 213 is installed with the central chuck 211 in a combined mode, clamping blocks 214 are installed on the surface of the steel ring 212 and located on the two sides of the bolt thin rod 213, a clamping spring 215 is installed on one side, far away from the bolt thin rod 213, of the clamping blocks 214, the clamping spring 215 is installed with the steel ring 212 in a sliding mode, the clamping blocks 214 are installed with the steel ring 212 in a threaded mode, and the steel ring 212 is installed with the short connecting column 201 in a combined mode through the matching of the bolt thin rod 213 and the central chuck 211.

When the device is used, the steel ring 212, the hook claw 31 and the short-circuit column 201 are assembled and installed through the bolt thin rod 213, meanwhile, the connecting balls 32 paired with the clamping springs 215 are effectively isolated from each other, mutual interference in adjusting the tightness degree between the clamping springs 215 and the connecting balls 32 is avoided, the elastic extrusion strength of the clamping springs 215 to the two sides of the connecting balls 32 can be changed by rotating the clamping blocks 214 on the two sides of the connecting balls 32, through the operation, a movable range is provided for arc shaking of the hook claw 31 on the horizontal plane around the short-circuit column 201 as the center, and in combination with the left and right bouncing effect of the springs, the impact of external force to accessories is relieved through rotation with certain amplitude;

through the tight fit of the connecting ball 32 and the central chuck 211, when the connecting ball 32 is positioned between the first spiral ring 205 and the second spiral ring 208 to rotate, the spiral elastic strip 210 connected with the lower end of the central chuck 211 can effectively provide damping and buffering in the vertical direction for the connecting ball 32, so that the flexibility between the structure of the grabbing mechanism 3 and the hoisting assembly 2 is improved, the impact abrasion of external force on the joint of parts between the hoisting assembly 2 and the grabbing mechanism 3 is further reduced, the assembly of the grabbing mechanism 3 and the hoisting assembly 2 is effectively completed through the first spiral ring 205 and the second spiral ring 208, the structure is simple, the installation and the disassembly are convenient, three groups of arched plates 33 can be manually closed, the accessories can be fixed and grabbed in real time, and the automatic grabbing of the accessories by the grabbing device can be realized through the cooperation with a motor;

the disc plate 202 is arranged at the front end of the short installation rod 11 corresponding to the outer spherical shell 13, the two side surfaces of the disc plate 202 can be closely attached and adsorbed by virtue of the air pressure cover 14 and the sucker cover 15, the effective contact area between the disc plate 202 and the inner side of the outer spherical shell 13 is reduced, the friction force between the outer spherical shell 13 and the disc plate 202 when rotating around the bolt rod 16 is reduced, the continuity between the structures is smoother, and the air pressure cover 14 and the sucker cover 15 are adsorbed by opposite extrusion on the side surface of the disc plate 202 through the built-in spring 17, so that a hemispherical cavity of a multi-layer cage cover is formed, and certain sound insulation and shock absorption effects are achieved.

Example 2

As shown in fig. 5-6, the grabbing mechanism 3 comprises a hook 31, a connecting ball 32 is fixedly connected to the upper end surface of the hook 31, a bow plate 33 is fixedly connected to the lower end of the hook 31, and a side clamping block 34 is mounted at the lower end of the bow plate 33; a positioning ring 35 is arranged on one side of the side clamping block 34 far away from the bow-shaped plate 33, positioning inserting strips 36 are arranged on the rear end surface of the positioning ring 35 in a circular array mode, a shaft rod 37 is fixedly connected to one side of the side clamping block 34 close to the bow-shaped plate 33, aligning holes 38 are formed in the surface of the bow-shaped plate 33, and the side clamping block 34 is symmetrically arranged on the front side and the rear side of the bow-shaped plate 33; the side clamping block 34 is assembled with the bow plate 33 through a positioning insert 36 on the positioning ring 35 matching with the alignment hole 38, wherein the side clamping block 34 is rotatably installed with the bow plate 33 through a shaft lever 37, the surface of the side clamping block 34 is provided with a curved surface, a plane and a multi-edge surface, the hook claw 31 is movably installed with the steel ring 212 through a connecting ball 32, and the hook claw 31 is correspondingly matched with the upper turning groove 206 and the lower turning groove 209 respectively.

When the clamping device is used, the positioning insertion strip 36 is pulled out from the alignment hole 38 by pulling out the positioning ring 35, then the clamping device rotates around the shaft rod 37 at two sides of the Chinese character bow-shaped plate 33, the side clamping block 34 is adjusted to face the side structure shape of an accessory to be grabbed, the specific contact surface between the side clamping block 34 and the accessory is adjusted and changed according to the specific structure shape of the accessory, then the clamping device is inserted into the alignment hole 38 again through the positioning insertion strip 36, the side clamping block 34 is positioned at two sides of the Chinese character bow-shaped plate 33 to be fixed, different contact surfaces are arranged on the surface of the side clamping block 34, the grabbing device can tightly attach and grab accessories with different structure shapes, perfect attachment between the grabbing device and the surfaces of various accessories is realized, and the accessory is prevented from being partially loosened and damaged by falling in the grabbing process;

the connecting ball 32 is penetrated by the steel ring 212, the connecting ball and the hook claw 31 are assembled together around the lower end of the short connecting column 201, the hook claw 31 is correspondingly matched with the upper turning groove 206 and the lower turning groove 209 respectively, the hook claw 31 is driven by the connecting ball 32 to rotate around the tangent point of the connecting ball 32 and the steel ring 212, the expansion and the closing of a grabbing space at the lower end of the arched plate 33 are realized, the rope is wound at the concave structure of the arched plate 33 after the grabbing device grabs the accessory by utilizing the special arched structure of the arched plate 33, the stability of the grabbed accessory at the bottom of the arched plate 33 is increased, and the device is prevented from being collided by external force to cause the accessory to fall off.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A grabbing device for machine-building, includes equipment mechanism (1), its characterized in that: the front end of the assembling mechanism (1) is provided with a hoisting assembly (2), and the lower end of the hoisting assembly (2) is provided with a grabbing mechanism (3);

the hoisting assembly (2) comprises a short connecting column (201), a disc plate (202) is fixedly connected to the middle position of the upper end surface of the short connecting column (201), a top ring (203) is fixedly connected to the surface of the short connecting column (201), and jacks (204) are formed in a circular array on the lower end surface of the top ring (203);

the surface of the second spiral ring (208) is provided with lower turning grooves (209) in a circular array, the lower turning grooves (209) are correspondingly matched with the upper turning grooves (206), a ring groove is formed in the lower short column (207) close to the outer side, a spiral elastic strip (210) is installed on the inner side of the ring groove in an embedded mode, the first spiral ring (205) is installed with the short connection column (201) in a threaded mode, the second spiral ring (208) is installed with the lower short column (207) in a threaded mode, and the first spiral ring (205) is located at the lower end of the top ring (203);

a central chuck (211) is arranged between the first spiral ring (205) and the second spiral ring (208), the central chuck (211) and the short-circuit column (201) are installed in a sleeved mode, a steel ring (212) is installed at the upper end of the central chuck (211), a bolt thin rod (213) is arranged on the surface of the steel ring (212) in an equilateral triangle mode, and the bolt thin rod (213) penetrates through the steel ring (212) and is installed with the top ring (203) in an inserting mode through a jack (204);

the central chuck (211) is elastically installed with the lower short column (207) through a spiral elastic strip (210), the lower end of the bolt thin rod (213) is installed with the central chuck (211) in a combined mode, clamping blocks (214) are installed on the surface of the steel ring (212) and located on the two sides of the bolt thin rod (213), one side, far away from the bolt thin rod (213), of each clamping block (214) is provided with a clamping spring (215), the clamping springs (215) are installed with the steel ring (212) in a sliding mode, the clamping blocks (214) are installed with the steel ring (212) in a threaded mode, and the steel ring (212) is installed with the short-connection column (201) in a combined mode through matching of the bolt thin rod (213) and the central chuck (211);

the grabbing mechanism (3) comprises a hook claw (31), the surface of the upper end of the hook claw (31) is fixedly connected with a connecting ball (32), the lower end of the hook claw (31) is fixedly connected with a bow-shaped plate (33), and the lower end of the bow-shaped plate (33) is provided with a side clamping block (34);

a positioning ring (35) is mounted on one side, away from the arched plate (33), of each side clamping block (34), positioning inserting strips (36) are mounted on the surface of the rear end of each positioning ring (35) in a circular array mode, a shaft lever (37) is fixedly connected to one side, close to the arched plate (33), of each side clamping block (34), aligning holes (38) are formed in the surface of the arched plate (33), and the side clamping blocks (34) are symmetrically mounted on the front side and the rear side of the arched plate (33);

the side clamping block (34) is installed with the bow-shaped plate (33) in a combined mode through a positioning inserting strip (36) on a positioning ring (35) in a matched mode, wherein the side clamping block (34) is installed with the bow-shaped plate (33) in a rotating mode through a shaft rod (37), a curved surface, a plane and a multi-edge surface are arranged on the surface of the side clamping block (34), the hook claw (31) is movably installed with the steel ring (212) through a connecting ball (32), and the hook claw (31) is correspondingly matched with the upper turning groove (206) and the lower turning groove (209) respectively.

2. The grasping apparatus for machine manufacturing according to claim 1, wherein: the surface of the short connecting column (201) is movably provided with a first spiral ring (205), the surface of the first spiral ring (205) is provided with an upper turning groove (206) in a circular array, the lower end surface of the short connecting column (201) is fixedly connected with a lower short column (207), and the surface of the lower short column (207) is movably provided with a second spiral ring (208).

3. The grasping apparatus for machine manufacturing according to claim 2, wherein: the assembling mechanism (1) comprises a short assembling rod (11), a clamping groove (12) used for facilitating assembling is formed in the surface of the rear end of the short assembling rod (11), an outer spherical shell (13) is installed at the front end of the short assembling rod (11), an air pressure cover (14) is installed on the inner side of the outer spherical shell (13), a built-in spring (17) is installed between the outer spherical shell (13) and the air pressure cover (14), and the air pressure cover (14) is installed with the outer spherical shell (13) in a springing mode through the built-in spring (17).

4. The grasping apparatus for machine manufacturing according to claim 3, wherein: the sucker cover (15) is installed on the inner side of the air pressure cover (14), the bolt rod (16) is installed in the middle position of the inner side of the sucker cover (15), the air pressure cover (14) and the sucker cover (15) are located at two ends of the bolt rod (16) and are symmetrically arranged, the sucker cover (15) is installed with the outer spherical shell (13) in a combined mode through the bolt rod (16), the short connecting column (201) is installed with the short installing rod (11) in a movable hinged mode through matching of the disc plate (202), the outer spherical shell (13) and the bolt rod (16), the air pressure cover (14) is tightly attached to the disc plate (202) through the built-in spring (17), and the sucker cover (15) is installed with the disc plate (202) in an adsorption mode through the air pressure cover (14).