CN108820851B

CN108820851B - A circular workpiece handling fixture

Info

Publication number: CN108820851B
Application number: CN201810707882.3A
Authority: CN
Inventors: 陈恒; 唐明生; 代文鹏; 潘昌鹏
Original assignee: Xijing University
Current assignee: Hefei Longzhi Electromechanical Technology Co ltd
Priority date: 2018-07-02
Filing date: 2018-07-02
Publication date: 2020-03-31
Anticipated expiration: 2038-07-02
Also published as: CN108820851A

Abstract

The invention provides a circular workpiece handling fixture, comprising: a pendant panel, a fixture inner core, and a fixing nut; the pendant panel and the fixture inner core are connected and fixed by a fixing nut; A retractable contact claws are used to hoist the workpiece by pressing the 4 contact claws against the surrounding inner walls of the annular workpiece respectively; The hole is provided with a handling and hoisting hole. In the circular workpiece handling fixture provided by the present invention, the inner wall of the circular workpiece is tightly contacted by retractable contact claws arranged in four directions in the inner part of the fixture, and then the entire fixture is moved by two handling and hoisting blocks, so as to realize the detection of the workpiece. 's transportation.

Description

Ring workpiece carrying clamp

Technical Field

The invention relates to the technical field of machinery, in particular to a circular workpiece carrying clamp.

Background

In engineering application, a circular ring-shaped device is a workpiece frequently used, the surface of the circular workpiece is halo, has no obvious edge angle, and has attractive appearance. However, circular devices cannot be handled as easily as other devices with different shapes. The large circular workpieces are troublesome to construct due to the carrying problem in the construction process, and the circular workpieces are large in surface area and difficult to attach and carry devices, particularly large heavy circular workpieces, due to the fact that the circular workpieces are circumferential in surface, carrying is inconvenient, and carrying efficiency is low.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides a conveying clamp device for heavy-duty circular ring workpieces.

An annular workpiece handling fixture comprising: the hanging piece panel, the clamp inner core and the fixing nut;

the pendant panel is fixedly connected with the inner center of the clamp through a fixing nut;

the four directions of the inner center of the clamp are respectively provided with a telescopic contact claw, and the 4 contact claws are respectively propped against the inner walls of the periphery of the circular workpiece to realize the hoisting of the workpiece;

and the left side and the right side of the pendant panel are respectively fixed with a carrying hoisting block, and a carrying hoisting hole is arranged on the carrying hoisting hole.

Furthermore, the circular workpiece carrying clamp is characterized in that a hollow square hole groove is formed in the upper portion of the inner center of the clamp in all four directions, namely the front direction, the rear direction, the left direction and the right direction, a stress square column is arranged in the square hole groove, a friction disc is fixed at one end of the stress square column, and when the stress square column is stressed to move left and right, the friction disc can penetrate through the square hole groove and then abuts against the inner wall of the circular workpiece.

Furthermore, the stress square column of the circular ring workpiece carrying clamp is composed of a thick column body and a thin column body, wherein one end of the thin column body is fixed with the friction disc, the other end of the thin column body is connected with the thick column body into a whole, and a compression spring is sleeved between the friction disc and the end face of the thick column body.

Further, the rotary bolt is provided with a handle, a truncated cone-shaped contact surface and a rotary thread which are integrally formed from top to bottom;

an inner inserting hole is formed in the center of the inner center of the clamp, an internal thread round hole is formed below the inner inserting hole in a communicating mode, and the rotating thread of the rotating bolt penetrates through the inner inserting hole and then is in threaded connection with the internal thread round hole;

one end face of the stressed rhombic column is an inwards concave inclined plane attached to the contact surface.

Furthermore, the ring workpiece carrying clamp is provided with auxiliary mechanisms used for further clamping and fixing the ring workpiece at four corners of the pendant panel respectively.

Further, the ring workpiece handling jig, the auxiliary mechanism includes: a rotating disc and a rotating hook;

the rotating disc is arranged on the upper surface of the pendant panel, and the top end of the rotating hook penetrates through the pendant panel and then is fixedly connected with the rotating disc; an auxiliary fixed hook for clamping the bottom surface of the circular workpiece is fixed at the bottom of the rotary hook.

Furthermore, the auxiliary mechanism of the circular workpiece carrying clamp further comprises a clamping cap; the clamping cap comprises an upper clamping cap top, one side of the bottom of the clamping cap top is a rotating disc fixing curved surface, and the other side of the bottom of the clamping cap top is a rotating hook fixing curved surface;

the rotating disc comprises a rotating disc body, an embedded hollow is arranged at the center of the rotating disc body, and a fixing groove is externally tangent to the circumference of the embedded hollow;

the rotary hook is composed of an embedded cylinder at the top, a fixed groove at the upper part and the auxiliary fixed hook at the bottom; the embedded column penetrates through the pendant panel and then is embedded into the embedded hollow; the fixing groove is coincided with the pendant panel and is parallel to the fixing groove, the clamping cap is buckled on the top surface of the embedded cylinder from the top of the rotating disc, the rotating disc fixing curved surface is embedded into the fixing groove, and the rotating hook fixing curved surface is embedded into the fixing groove on the upper portion.

Further, the circular workpiece carrying clamp comprises an auxiliary turntable, and the auxiliary turntable is sleeved on the periphery of the clamping cap and used for fixing the clamping cap.

Furthermore, the auxiliary mechanism of the circular workpiece handling clamp comprises a rotating disk fixing bayonet fixed on the pendant panel;

the rotating disk fixing bayonet comprises: a round handle, a return spring and a chuck; a connecting rod is arranged between the circular handle and the chuck, and the return spring is sleeved on the connecting rod;

and a fixed clamping groove is formed in the outer circumference of the rotating disk, and the clamping head is clamped into the fixed clamping groove through an outward-pulling handle so as to fix the rotating disk.

Furthermore, the circular workpiece carrying clamp is characterized in that a rotating handle is fixed on the rotating disc, and the rotating handle and the auxiliary fixed hook are arranged in an anti-parallel mode.

Has the advantages that:

according to the circular workpiece conveying clamp provided by the invention, the inner wall of the circular workpiece is tightly contacted through the telescopic contact claws arranged in the front, back, left and right directions of the inner center of the clamp, and then the whole clamp is moved through the two conveying hoisting blocks, so that the workpiece is conveyed.

Drawings

FIG. 1(a) is an overall structural view of the present invention;

FIG. 1(b) is a front view of FIG. 1;

FIG. 2(a) is a structural view of a hanging panel in the present invention;

FIG. 2(b) is a cross-sectional view of FIG. 2 (a);

FIG. 3(a) is a view showing the construction of the inner core of the jig according to the present invention;

FIG. 3(b) is a sectional view of the inner core of the jig of the present invention;

FIG. 4 is a structural view of a rotary bolt of the present invention;

FIG. 5(a) is a view showing the first state of the assembly of the inner core of the clamp and the rotary bolt in the present invention;

FIG. 5(b) is a second view showing the assembled state of the inner core of the clamp and the rotary bolt according to the present invention;

FIG. 5(c) is a view showing the assembled state of the inner core of the jig and the rotary bolt in the present invention;

FIG. 6 is a view showing the construction of a fixing bolt according to the present invention;

FIG. 7 is a view showing the construction of the fixing latch of the present invention;

FIG. 8(a) is a view showing the construction of a rotary disk in the present invention;

FIG. 8(b) is an assembly view of the rotary disk structure of the present invention;

FIG. 9(a) is a structural view of a rotating hook in the present invention;

FIG. 9(b) is an assembly view of the structure of the swivel hanger in the present invention;

FIG. 10(a) is a structural view of a chuck cap in the present invention;

FIG. 10(b) is a structural assembly view of the chuck cap in the present invention;

FIG. 11 is an assembly view of an auxiliary fixing part in the present invention;

FIG. 12(a) is a simulated structural view of the clamping apparatus of the present invention lifting a workpiece;

fig. 12(b) is a front view of fig. 12 (a).

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below clearly and completely, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1(a), the heavy round workpiece handling clamp apparatus provided by the present invention comprises a pendant panel 100, a clamp core 200, a rotary bolt 300, a fixing nut 400, a rotary disk fixing bayonet 500, a rotary disk 600, a bayonet cap 700 and a rotary hook 800; the pendant panel 100 is an attachment point of the whole device, the middle lower part of the pendant panel is fixed with the core clamping part clamp inner core 200, the clamping control part rotating bolt 300 of the whole device is positioned between the pendant panel 100 and the clamp inner core 200, the upper parts of four corners around the pendant panel 100 are provided with the rotating disc fixing clamping pin 500, the rotating disc 600 and the clamping cap 700, the lower parts of the four corners are provided with the rotating hook 800, and the clamp inner core 200 and the rotating disc fixing clamping pin 500 are fixed on the pendant panel 100 by the fixing nut 400.

As shown in fig. 1(b), the heavy duty circular workpiece handling jig device is shown in a sectional view, and all the parts are fixed by the pendant panel 100, wherein the jig inner core 200 and the rotary disk fixing bayonet 500 are fixed on the pendant panel 100 by the fixing nut 400, the rotary bolt 300 is inserted into the pendant panel 100 and the jig inner core 200 and fixed by screw-thread fit, the rotary disk 600, the clamping cap 700 and the rotary hook 800 constitute auxiliary fixing parts, and the three parts are nested and matched and fixed on four corners of the pendant panel 100.

As shown in fig. 2(a), in the pendant panel 100, the four corners of the panel are mounting holes 101 of a rotating hook 800, the inner sides of the mounting holes 101 are fixing mounting holes 102 for a rotating disk fixing bayonet 500, the two sides of the middle of the panel are carrying hoisting holes 103, the middle of the panel is a circle of mounting fixing holes 104 for a clamp inner core 200, and the middle of the panel is a rotating bolt 300 inserting hole 105. As shown in fig. 2(b), in the cross-sectional view of the pendant panel 100, the carrying lifting holes 103 are located at two sides of the middle of the pendant panel 100, and the carrying lifting holes 103 are higher than the pendant panel 100 and have through holes for loading. The hanger panel 100 is used to secure all other components of the fixture.

As shown in fig. 3(a) and 3(b), the top surface of the clamp core 200 is provided with an installation and fixation screw hole 201, which is used for being matched with the installation and fixation hole 104, and the clamp core 200 is fixedly connected with the pendant panel 100 through a fixation nut 400; a round hole groove 202 is formed in the upper portion of the side face in the front, back, left and right directions, a through square hole groove 203 is formed in the round hole groove 202, an inserting hole 204 is formed in the middle of the top of the round hole groove, a rotating bolt 300 is inserted into the hole 204, an internal thread round hole 205 is formed in the middle of the round hole groove, a weight reducing hollow 206 is formed in the lower portion of the middle of the round hole groove, and the weight of the whole clamp can be reduced due to the weight; as shown in fig. 3(b), in the cross-sectional view of the inner core 200 of the clamp, a force-bearing square column 209 is arranged in a square hole groove 203, the force-bearing square column 209 is composed of a thick-thin two-part column body, one end of the thin column body of the force-bearing square column 209 is fixed with a round friction disc 207, one end of the thick column body is attached to a contact surface 302 of a rotating bolt 300, and a compression spring 208 is arranged between the round friction disc 207 and the end surface of the thick column body; one end of the thick cylinder of the rhombic cylinder 209 is provided with an oval concave-chamfered surface 210, and the oval concave-chamfered surface 210 is attached to the contact surface 302.

When a workpiece is conveyed, the clamp inner core 200 is inserted into the workpiece to be conveyed (the inner center of the workpiece to be conveyed is provided with a groove, the clamp inner core 200 extends into the groove), and after an external force is applied to the rotary bolt 300 for rotation, the rotary thread 303 of the rotary bolt 300 is matched with the internal thread round hole 205, so that the rotary bolt 300 can move up and down; when the rotary bolt 300 moves up and down, the contact surface 302 applies a force to the chamfered surface 210 leftwards or rightwards, so that the inclined square column 209 is stressed to enable the circular friction disc 207 to extend outwards through the compression spring 208 to be in contact with the inner wall of the groove in the workpiece to generate a horizontal jacking force, and a vertical friction force is generated when the workpiece is hoisted, so that the workpiece and the inner center 200 of the clamp move up and down together.

Preferably, the length of the inner core 200 is longer than the length of the workpiece to be handled, so that a small section of the cylindrical tube is exposed downward below the inner core 200, and thus the inner core can be concentrically aligned with the workpiece placed on the lower part, so that the whole clamp 200 has the functions of lifting the workpiece and keeping the upper and lower workpieces concentric.

As shown in fig. 4, the rotary bolt 300 includes a square top handle 301, a truncated cone-shaped middle contact surface 302, and a lower rotary thread 303. The rotary bolt 300 is embedded in the internal thread round hole 205 and is matched with the thread in the internal thread round hole 205 to form a screw rod structure; when the square handle 301 is rotated, the rotating thread 303 realizes the up-and-down movement of the whole rotating bolt 300 through the internal thread round hole 205, and because the contact surface 302 is attached to the chamfer surface 210, when the contact surface 302 moves up and down along with the up-and-down movement of the rotating bolt 300, the corresponding left-and-right movement of the square column 209 is generated. The specific movement principle is shown in fig. 5(a), the assembly structure of the clamp core 200 and the rotary bolt 300 is shown, the rotary bolt 300 is inserted into the inner insertion hole 204 of the clamp core 200, and the rotary thread 303 and the internal thread round hole 205 are nested and matched to fix the positions of the rotary bolt 300 and the clamp core 200. When the square handle 301 is not rotated, the truncated cone-shaped contact surface 302 and the chamfer 210 of the rhombic column 209 are superposed with each other, but are not stressed, and at the moment, the circular friction disc 207, the compression spring 208 and the rhombic column 209 are not stressed and are positioned in the inner core 200 of the clamp. As shown in fig. 5(b), in the sectional stress analysis diagram of the clamp core 200 and the rotary bolt 300, after the rotary bolt 300 is inserted into the clamp core 200, the square handle 301 is rotated counterclockwise, the rotary thread 303 is inserted into the internal thread round hole 205 of the clamp core 200, and by rotating counterclockwise, the thread fit moves downward, the truncated cone-shaped contact surface 302 also moves downward, and simultaneously, the chamfered surface 210 of the rhombic column 209 is pressed to the periphery, so that the circular friction disc 207 moves outward and protrudes. As shown in fig. 5(c), the structure of the assembly of the clamp core 200 and the rotary bolt 300 is shown, when the rotary screw 300 is inserted into the clamp core 200, the clamp core 200 is pressed outward, so that the circular friction disk 207 is protruded outward.

As shown in fig. 6, the fixing nut 400 includes an M10 nut fixing the jig core 200 and an M6 nut fixing the rotating disk fixing bayonet 500.

As shown in FIG. 7, the rotating disk fixing latch 500 comprises a circular handle 501, a fixing screw hole 502, a return spring 503 and a chuck 504. The circular handle 501 is pulled outwards, the return spring 503 is compressed, the chuck 504 is retracted inwards to release the fixed state, and after the hand is released, the chuck 504 is reset to the external fixed state.

As shown in fig. 8(a), the rotating disc 600 includes a fixed slot 601, a hollow insert 602 in the middle, an auxiliary rotating disc 603 below, a fixed slot 604 circumscribing the hollow insert 602, and a rotating handle 605. The rotating handle 605 is rotated to drive the embedded object in the embedded hollow 602 to rotate, and the position of the fixed clamping groove 601 is changed. As shown in fig. 8(b), in the assembly structure of the rotating disk fixing latch 500 and the rotating disk 600, the fixing state of the rotating disk 600 can be released by pulling the circular handle 501 outwards, the rotating handle 605 is rotated to drive the embedded object in the embedded hollow 602 to rotate to a specified position, so that the chuck 504 is aligned with the fixing slot 601, and after releasing the circular handle 501, the chuck 504 is reset to be embedded into the fixing slot 601, so that the rotating disk 600 keeps a fixed position.

As shown in fig. 9(a), the rotating hook 800 includes a top embedded cylinder 801, an upper fixing groove 802 and a bottom auxiliary fixing hook 803. As shown in fig. 9(b), the structure of the assembly of the rotating hook 800 and the rotating disk 600 is shown, wherein the rotating hook 800 is located below the pendant panel 100, and the rotating disk 600 is located above the pendant panel 100. The embedded cylinder 801 at the top of the rotary hook 800 is inserted into the embedded hollow 602 of the rotary disk 600 through the pendant panel 100, the fixing groove 802 at the upper part is coincided with the pendant panel 100 and is relatively parallel to the fixing groove 604, the auxiliary fixing hook 803 at the bottom is anti-parallel to the rotary handle 605, and the auxiliary rotary disk 603 is coincided with the upper surface of the pendant panel 100 to reduce the friction force in the rotating process.

As shown in fig. 10(a), the locking cap 700 includes an upper locking cap top 701, a rotating disc fixing curved surface 702 on one side, and a rotating hook fixing curved surface 703 on the other side. As shown in fig. 10(b), in the assembly structure of the rotating hook 800, the rotating disk 600 and the locking cap 700, the upper locking cap top 701 coincides with the top of the embedded cylinder 801, the rotating disk fixing curved surface 702 is clamped in the fixing groove 604, the rotating hook fixing curved surface 703 is clamped in the fixing groove 802 of the rotating hook 800, so that the relative positions of the rotating disk 600 and the rotating hook 800 are fixed and fixedly installed on both sides of the pendant panel 100 through the rotating disk fixing curved surface 702 and the rotating hook fixing curved surface 703, and finally the locking cap 700 is fixed by the auxiliary rotating disk 603.

As shown in fig. 11, the auxiliary fixing part includes a rotary disk fixing latch 500, a rotary disk 600, a latch cap 700, and a rotary hook 800. The assembly body of the rotating hook 800, the rotating disk 600 and the clamping cap 700 is fixed at one corner of the pendant panel 100, the handle 605 can be rotated to rotate the whole body to change the direction of the auxiliary fixing hook 803, the rotating disk fixing clamping pin 500 is embedded and matched with the fixing clamping groove 601 of the rotating disk 600 to control rotation or locking, the rotating handle 605 can be rotated only by pulling the circular handle 501 outwards, the rotating handle cannot be rotated when the hand is released, and the auxiliary fixing part is kept in a fixed state integrally.

As shown in fig. 12(a), when in use, the rotating handle 605 around the system is rotated clockwise, so that the auxiliary fixing hook 803 of the rotating hook 800 and the workpiece are kept in a parallel position, the clamp inner core 200 is inserted into the inner hole of the heavy round workpiece, the rotating bolt 300 is at the outside, the round friction disc 207 of the clamp inner core 200 is not in contact with the workpiece, and when the heavy workpiece completely coincides with the clamp inner core 200 and covers the round friction disc 207, the rotating bolt 300 is rotated, so that the round friction disc 207 protrudes outwards to generate friction force with the inside of the workpiece, and the heavy workpiece is fixed on the clamp inner core 200. As shown in fig. 12(b), after the heavy workpiece is fixed on the fixture inner core 200, the workpiece is lightly lifted through the carrying hoisting hole 103 on the pendant panel 100, then the peripheral circular handle 501 is pulled outwards, the rotating handle 605 is rotated anticlockwise, so that the four auxiliary fixing hooks 803 are internally buckled for auxiliary fixing of the heavy workpiece, and after the circular handle 501 is loosened, the auxiliary fixing hooks 803 are fixed in position, and the heavy workpiece can be carried.

The working principle of the invention is as follows: the inner clamp core 200 of the heavy round workpiece conveying clamp device is inserted into the round workpiece, the rotating bolt 300 is rotated to enable the round friction disc 207 of the inner clamp core 200 to extend outwards, the inner part of the heavy round workpiece is extruded, and the generated friction force fixes the heavy round workpiece. The auxiliary fixing part consists of a rotating disk fixing bayonet 500, a rotating disk 600, a clamping cap 700 and a rotating hook 800, and before lifting, the rotating handle 605 and the rotating disk fixing bayonet 500 are matched for use, so that the auxiliary fixing hook 803 is internally buckled and dragged with a heavy round workpiece to play a role in auxiliary fixing. Because the main stress part is the friction force between the inner center 200 of the clamp and the inside of the round workpiece, the surface of the round workpiece cannot be damaged in the carrying process, and the integrity of the round workpiece is ensured.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An annular workpiece carrying clamp is characterized by comprising: the clamp comprises a hanging panel (100), a clamp inner core (200) and a fixing nut (400);

the pendant panel (100) is fixedly connected with the clamp inner core (200) through a fixing nut (400);

the four directions of the inner center (200) of the clamp are respectively provided with a telescopic contact claw, and the 4 contact claws are respectively propped against the inner walls of the periphery of the circular workpiece to realize the hoisting of the workpiece;

the left side and the right side of the pendant panel (100) are respectively fixed with a conveying hoisting block, and the conveying hoisting block is provided with a conveying hoisting hole (103);

auxiliary mechanisms for further clamping and fixing the circular workpiece are respectively arranged at four corners of the pendant panel (100);

the assist mechanism includes: a rotating disc (600) and a rotating hook (800);

the rotating disc (600) is installed on the upper surface of the pendant panel (100), and the top end of the rotating hook (800) penetrates through the pendant panel (100) and then is fixedly connected with the rotating disc (600); an auxiliary fixed hook (803) for clamping the bottom surface of the circular workpiece is fixed at the bottom of the rotary hook (800);

the assist mechanism further comprises a snap cap (700); the clamping cap (700) comprises an upper clamping cap top (701), one side of the bottom of the clamping cap top (701) is a rotating disc fixing curved surface (702), and the other side of the bottom of the clamping cap top (701) is a rotating hook fixing curved surface (703);

the rotary disc (600) comprises a rotary disc body, an embedded hollow core (602) is arranged at the center of the rotary disc body, and a fixed groove (604) is externally tangent to the circumference of the embedded hollow core (602);

the rotary hook (800) is composed of an embedded cylinder (801) at the top, a fixing groove (802) at the upper part and the auxiliary fixing hook (803) at the bottom; the embedded cylinder (801) penetrates through the pendant panel (100) and then is embedded into the embedded hollow (602); the fixing groove (802) is overlapped with the pendant panel (100) and is parallel to the fixing groove (604), the clamping cap (700) is buckled on the top surface of the embedding cylinder (801) from the top of the rotating disc (600), the rotating disc fixing curved surface (702) is embedded into the fixing groove (604), and the rotating hook fixing curved surface (703) is embedded into the fixing groove (802) on the upper portion.

2. The circular ring workpiece carrying clamp as claimed in claim 1, wherein a hollow square hole groove (203) is formed in the upper inner portion of the clamp inner core (200) in four directions, namely the front direction, the rear direction, the left direction and the right direction, a stress square column (209) is arranged in the square hole groove (203), a friction disc (207) is fixed at one end of the stress square column (209), and when the stress square column (209) is stressed to move left and right, the friction disc (207) can penetrate through the square hole groove (203) and then abut against the inner wall of the circular ring workpiece.

3. The ring workpiece handling clamp of claim 2, wherein said force-bearing square column (209) is formed by a thick and thin two-part column, wherein one end of the thin column is fixed with said friction disk (207), and the other end is integrally connected with the thick column, and a compression spring (208) is sleeved between the friction disk (207) and the end surface of the thick column.

4. The ring workpiece handling clamp according to claim 2 or 3, further comprising a rotary bolt (300), wherein the rotary bolt (300) is provided with a handle (301), a truncated cone-shaped contact surface (302) and a rotary thread (303) which are integrally formed from top to bottom;

an inner inserting hole (204) is formed in the center of the inner clamp core (200), an internal thread round hole (205) is formed below the inner inserting hole (204) in a communicating mode, and a rotating thread (303) of the rotating bolt (300) penetrates through the inner inserting hole (204) and then is in threaded connection with the internal thread round hole (205);

one end face of the stress rhombic column (209) is an inward concave inclined plane (210) attached to the surface of the contact surface (302).

5. The ring workpiece handling clamp of claim 1, wherein the rotary plate (600) further comprises an auxiliary rotary plate (603), the auxiliary rotary plate (603) being fitted around the periphery of the clamp cap (700) for fixing the clamp cap (700).

6. The ring workpiece handling clamp of claim 1, wherein the assist mechanism comprises a rotary disk securing detent (500) secured to the pendant panel (100);

the rotating disk fixing latch (500) includes: a round handle (501), a return spring (503) and a chuck (504); a connecting rod is arranged between the round handle (501) and the clamping head (504), and the return spring (503) is sleeved on the connecting rod;

a fixed clamping groove (601) is formed in the outer circumference of the rotating disk (600), and the clamping head (504) is clamped into the fixed clamping groove (601) through an outer pulling handle (501) so as to fix the rotating disk (600).

7. The annular workpiece handling clamp of claim 1, wherein a rotary handle (605) is fixed to the rotary plate (600), and the rotary handle (605) is arranged in an anti-parallel direction to the auxiliary fixing hook (803).