CN216940231U - Tool clamp for hanging pipe in ion nitriding process - Google Patents

Tool clamp for hanging pipe in ion nitriding process Download PDF

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Publication number
CN216940231U
CN216940231U CN202122804742.8U CN202122804742U CN216940231U CN 216940231 U CN216940231 U CN 216940231U CN 202122804742 U CN202122804742 U CN 202122804742U CN 216940231 U CN216940231 U CN 216940231U
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China
Prior art keywords
fastening block
pipe
movable fastening
clamping ring
chuck
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CN202122804742.8U
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Chinese (zh)
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甄利平
蔡云龙
陶永良
崔驱虎
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Shanghai High Precision Pipe Ltd By Share Ltd
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Shanghai High Precision Pipe Ltd By Share Ltd
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Abstract

The utility model discloses a tool clamp for hanging a pipe in an ion nitriding process, which belongs to the technical field of metal surface heat treatment processing and comprises an upper chuck, a lower chuck, a mounting sleeve, a fixed clamping ring, a movable fastening block and a return spring; according to the utility model, by arranging the fixed clamping ring, the movable fastening block and the return spring, the pipe to be tested can be loosened or clamped by adjusting the position of the movable fastening block, namely, the clamp can be reused; by limiting the end, in contact with the stainless steel pipe to be detected, of the movable fastening block to be an arc-shaped surface with the same outer diameter as the pipe to be detected, the contact area of the movable fastening block and the stainless steel pipe to be detected can be increased, the pressure between the movable fastening block and the stainless steel pipe to be detected is reduced, the movable fastening block can be ensured to transmit the pressure to the pipe to be detected uniformly, and the pipe to be detected is prevented from being deformed due to the clamp; the utility model can play a role of glow light shielding on the part of the pipe between the upper chuck and the lower chuck in the ion nitriding process by arranging the lower chuck.

Description

Tool clamp for hanging pipe in ion nitriding process
Technical Field
The utility model relates to the technical field of metal surface heat treatment processing, in particular to a tool clamp for hanging a pipe in an ion nitriding process.
Background
Ion nitriding is a process of forming a nitrogen layer on the surface of a metal workpiece by using a glow discharge principle. The ion nitriding treatment can improve the mechanical property of metal and prolong the service life of metal workpieces. The metal pipe is fixed by a tool clamp in the ion nitriding treatment process. The existing work fixture for hanging the pipe belongs to a clamping sleeve joint type fixture, and the pipe is hung by using a clamping sleeve joint. The cutting ferrule connects mainly comprises connecting body, front and back cutting ferrule, nut. The conventional tool holder is used by inserting a stainless steel pipe with a ferrule and a nut into a joint body, tightening the nut by hand, rotating the nut to a position before disassembly by using a wrench, and slightly screwing the nut by using the wrench. The principle of fixing the pipe by the cutting sleeve connector type clamp is that the cutting sleeve is pushed into a 24-degree taper hole and deforms along with the taper hole, so that the cutting sleeve is in spherical contact with the inner conical surface of the connector body, meanwhile, the inner cutting edge of the cutting sleeve is embedded into the outer wall of the stainless steel pipe, and an annular groove is formed in the outer wall in a pressing mode, and therefore the function of fixing and hanging the pipe is achieved. Therefore, the prior clamping sleeve joint type clamp has the following defects in the using process: firstly, the clamping sleeve joint type clamp has limited use times, and particularly the clamping sleeve is tightly contacted with a pipe, so that the repeated use difficulty is high; secondly, the cutting sleeve clamp can damage the contact part with the pipe, and the surface of the pipe is scratched, dents and the like, so that the pipe cannot be recovered and deformed, and the pipe is scrapped; thirdly, the cutting ferrule anchor clamps can't play the glow shielding effect in the ion nitriding process, can't carry out mechanical shielding to the position that the pipe surface required not have the nitriding layer, the subsequent welding process of stainless steel pipe of not being convenient for.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool clamp for hanging a pipe in an ion nitriding process, so as to solve the problems in the background technology.
A frock clamp for hanging a pipe in the ion nitriding process is characterized in that the frock clamp comprises an upper chuck, a lower chuck, a mounting sleeve, a fixed clamping ring, a movable fastening block and a return spring;
the upper end face of the upper chuck is fixedly connected with a coaxial mounting sleeve, and the inner side wall of the mounting sleeve is provided with a first internal thread; the inner side wall of the upper chuck is provided with a second internal thread, the outer side wall of the lower chuck is provided with an external thread, and the upper chuck and the lower chuck are in threaded connection through the second internal thread and the external thread;
the pair of the fixed clamp rings is formed, a plurality of annular grooves which are coaxial with the fixed clamp rings and a plurality of sliding grooves which horizontally penetrate through the fixed clamp rings are formed in one end face of each fixed clamp ring, the annular grooves and the sliding grooves are distributed at intervals, and the sliding grooves point to the virtual center where the fixed clamp rings are located and are distributed at equal angular intervals adjacent to the sliding grooves; the reset spring is arranged in the annular groove, the movable fastening block is arranged in the sliding chute in a sliding manner, and one end of the movable fastening block, which points to the virtual center where the fixed clamping ring is located, is abutted against the reset spring; the pair of fixed clamp rings are provided with one surfaces of annular grooves, the surfaces are oppositely embraced and fixedly connected through bolts and nuts, when the upper chuck is in threaded connection with the lower chuck, the pair of fixed clamp rings are positioned in a cavity formed by the threaded connection of the upper chuck and the lower chuck, the upper ends of the fixed clamp rings tightly abut against the top end of the upper chuck, the lower ends of the fixed clamp rings tightly abut against the top end of the lower chuck, and one end, far away from a virtual center where the fixed clamp rings are located, of each movable fastening block tightly abuts against the inner wall of the upper chuck.
As a preferred technical solution of the present invention, a clamping groove is formed at one end of the movable fastening block pointing to the virtual center of the fixed clamping ring, and the return spring is clamped inside the clamping groove.
As a preferred technical scheme of the utility model, two regions of two sides of the sliding groove, which are close to the virtual center of the fixed clamping ring, are respectively provided with a limiting groove, a limiting block is fixedly connected to a region, corresponding to the limiting groove, on the movable fastening block, the limiting block is clamped inside the limiting groove, and the limiting block is in sliding connection with the limiting groove.
As a preferable technical scheme of the utility model, the radian of one side of the movable fastening block close to the inner side wall of the upper chuck is the same as that of the inner side wall of the upper chuck.
As a preferable technical scheme of the utility model, the radian of one side of the movable fastening block, which is far away from the virtual center of the fixed clamping ring, is the same as the radian of the outer side wall of the clamped pipe.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, by arranging the fixed clamping ring, the movable fastening block and the return spring, the pipe to be tested can be loosened or clamped by adjusting the position of the movable fastening block, namely, the clamp can be reused. According to the utility model, the contact end of the movable fastening block and the stainless steel pipe to be tested is limited to be the arc-shaped surface with the same outer diameter as that of the pipe to be tested, so that the contact area of the movable fastening block and the stainless steel pipe to be tested can be increased, the pressure between the movable fastening block and the stainless steel pipe to be tested is reduced, the movable fastening block can be ensured to uniformly transmit the pressure to the pipe to be tested, and the pipe to be tested is prevented from being deformed due to the clamp; the lower chuck is arranged, so that the part of the pipe, which is positioned between the upper chuck and the lower chuck, can be shielded by glow light in the ion nitriding process; furthermore, a clamping groove is formed in one end, pointing to the center of the fixed clamping ring, of the movable fastening block, so that the movable fastening block can be accurately positioned when the movable fastening block is clamped with the return spring; further, through setting up spacing groove and stopper, can avoid the activity fastening block slippage from the spout at the in-process that resets.
Drawings
FIG. 1 is a schematic structural view of a tool clamp for hanging a pipe in an ion nitriding process;
FIG. 2 is a schematic view of a tool holder for hanging a pipe during ion nitriding;
FIG. 3 is a schematic view showing the installation of a pair of fixed clamp rings, a return spring, a movable fastening block and the like in a tool fixture for hanging a pipe during ion nitriding;
FIG. 4 is a schematic structural view of a fixed clamp ring, a return spring, a movable fastening block and other parts in a tool clamp for hanging a pipe in an ion nitriding process;
FIG. 5 is a schematic view of a structure of a fixing clamp ring in a tool clamp for hanging a pipe in an ion nitriding process;
FIG. 6 is a schematic view of a connection structure of a movable fastening block and a limiting block in a tool clamp for hanging a pipe in an ion nitriding process.
In the figure: 1. an upper chuck; 2. a lower chuck; 3. installing a sleeve; 4. fixing the clamp ring; 5. a movable fastening block; 6. a return spring; 7. a first internal thread; 8. a second internal thread; 9. an external thread; 10. an annular groove; 11. a chute; 12. a card slot; 13. a limiting groove; 14. and a limiting block.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the embodiments of the present application, the following description will be made clearly and completely in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, and not all embodiments. 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 application.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present application will be described in detail with reference to fig. 1 to 6 in conjunction with the embodiments.
Example 1
Embodiment 1 provides a frock clamp of tubular product is hung to ion nitriding in-process, and this embodiment can realize loosening or pressing from both sides the tubular product that awaits measuring through the regulation of the 5 positions of activity fastening block through setting up fixed clamp ring 4, activity fastening block 5 and reset spring 6, realizes anchor clamps used repeatedly promptly. According to the utility model, the contact end of the movable fastening block 5 and the stainless steel pipe to be tested is limited to be the arc-shaped surface with the same outer diameter as the pipe to be tested, so that the contact area of the movable fastening block 5 and the stainless steel to be tested can be increased, the pressure between the movable fastening block 5 and the stainless steel to be tested is reduced, the movable fastening block 5 can be ensured to uniformly transmit the pressure to the pipe to be tested, and the pipe to be tested is prevented from being deformed due to a clamp; the utility model can play a role of glow light shielding on the part of the pipe between the upper chuck 1 and the lower chuck 2 in the ion nitriding process by arranging the lower chuck 2; furthermore, a clamping groove 12 is formed in one end, pointing to the center of the fixed clamping ring 4, of the movable fastening block 5, so that the movable fastening block 5 can be conveniently and accurately positioned when being clamped with the return spring 6. The details are as follows.
A frock clamp for hanging a pipe in the ion nitriding process comprises an upper chuck 1, a lower chuck 2, a mounting sleeve 3, a fixed clamping ring 4, a movable fastening block 5 and a return spring 6;
the upper end surface of the upper chuck 1 is fixedly connected with a coaxial mounting sleeve 3, and the inner side wall of the mounting sleeve 3 is provided with a first internal thread 7; the inner side wall of the upper chuck 1 is provided with a second internal thread 8, the outer side wall of the lower chuck 2 is provided with an external thread 9, and the upper chuck 1 and the lower chuck 2 are in threaded connection through the second internal thread 8 and the external thread 9;
the fixed clamp rings 4 are in a pair, one end face of each fixed clamp ring 4 is provided with a plurality of annular grooves 10 which are coaxial with the fixed clamp rings 4 and a plurality of sliding grooves 11 which horizontally penetrate through the fixed clamp rings 4, the annular grooves 10 and the sliding grooves 11 are distributed at intervals, the sliding grooves 11 point to the virtual center where the fixed clamp rings 4 are located, and the adjacent sliding grooves 11 are distributed at equal angle intervals; the reset spring 6 is arranged in the annular groove 10, the movable fastening block 5 is slidably arranged in the sliding groove 11, one end, pointing to the virtual center of the fixed clamping ring 4, of the movable fastening block 5 abuts against the reset spring 6, one end, pointing to the virtual center of the fixed clamping ring 4, of the movable fastening block 5 is provided with a clamping groove 12, and the reset spring 6 is clamped in the clamping groove 12; when the upper chuck 1 is in threaded connection with the lower chuck 2, the pair of fixed clamping rings 4 are positioned in a cavity formed by the threaded connection of the upper chuck 1 and the lower chuck 2, the upper ends of the fixed clamping rings are tightly abutted against the top end of the upper chuck, the lower ends of the fixed clamping rings are tightly abutted against the top end of the lower chuck, one end, far away from a virtual center of the fixed clamping ring 4, of the movable fastening block 5 is tightly abutted against the inner wall of the upper chuck, and the radian of one side, close to the inner side wall of the upper chuck 1, of the movable fastening block 5 is the same as that of the inner side wall of the upper chuck 1; the radian of one side of the movable fastening block 5 close to the virtual center of the fixed clamping ring 4 is the same as the radian of the outer side wall of the clamped pipe.
The working principle of the embodiment is as follows: this embodiment is through setting up fixed clamp ring 4, activity fastening block 5 and reset spring 6, can realize loosening or press from both sides tight tubular product that awaits measuring through the regulation of activity fastening block 5 position, realizes anchor clamps used repeatedly promptly. According to the utility model, the contact end of the movable fastening block 5 and the stainless steel pipe to be tested is limited to be the arc-shaped surface with the same outer diameter as the pipe to be tested, so that the contact area of the movable fastening block 5 and the stainless steel to be tested can be increased, the pressure between the movable fastening block 5 and the stainless steel to be tested is reduced, the movable fastening block 5 can be ensured to uniformly transmit the pressure to the pipe to be tested, and the pipe to be tested is prevented from being deformed due to a clamp; the utility model can play a role of glow light shielding on the part of the pipe between the upper chuck 1 and the lower chuck 2 in the ion nitriding process by arranging the lower chuck 2; furthermore, a clamping groove 12 is formed in one end, pointing to the center of the fixed clamping ring 4, of the movable fastening block 5, so that the movable fastening block 5 can be conveniently and accurately clamped with the reset spring 6.
Example 2
Embodiment 2 is a further improvement on the basis of embodiment 1, and embodiment 2 is provided with a limiting groove 13 and a limiting block 14, and the limiting block 14 is clamped in the limiting groove 13, so that the movable fastening block 5 can be prevented from slipping off from the sliding groove 11 in the resetting process. The method comprises the following specific steps:
the two sides of the sliding groove 11 are provided with a limit groove 13 in the area close to the virtual center of the fixed clamping ring 4, the movable fastening block 5 is fixedly connected with a limit block 14 in the area corresponding to the limit groove 13, the limit block 14 is clamped in the limit groove 13, and the limit block 14 is connected with the limit groove 13 in a sliding manner.
The working principle of the embodiment is as follows: through setting up spacing groove 13 and stopper 14, stopper 14 block can avoid the slip of activity fastening block 5 from spout 11 in the process of restoring to the throne in inside the spacing groove 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims (5)

1. A tool clamp for hanging a pipe in an ion nitriding process is characterized by comprising an upper chuck (1), a lower chuck (2), a mounting sleeve (3), a fixed clamping ring (4), a movable fastening block (5) and a return spring (6);
the upper end face of the upper chuck (1) is fixedly connected with a coaxial mounting sleeve (3), and the inner side wall of the mounting sleeve (3) is provided with a first internal thread (7); the inner side wall of the upper chuck (1) is provided with a second internal thread (8), the outer side wall of the lower chuck (2) is provided with an external thread (9), and the upper chuck (1) and the lower chuck (2) are in threaded connection through the second internal thread (8) and the external thread (9);
the pair of the fixed clamp rings (4) is formed, a plurality of annular grooves (10) which are coaxial with the fixed clamp rings (4) and a plurality of sliding grooves (11) which horizontally penetrate through the fixed clamp rings (4) are formed in one end face of each fixed clamp ring (4), the annular grooves (10) and the sliding grooves (11) are distributed at intervals, the sliding grooves (11) point to the virtual center where the fixed clamp rings (4) are located, and the adjacent sliding grooves (11) are distributed at equal angle intervals; the reset spring (6) is arranged in the annular groove (10), the movable fastening block (5) is arranged in the sliding groove (11) in a sliding manner, and one end, pointing to the virtual center where the fixed clamping ring (4) is located, of the movable fastening block (5) is abutted against the reset spring (6); one side of the fixed clamping ring (4) provided with the annular groove (10) is oppositely embraced and fixedly connected through a bolt and a nut, when the upper chuck (1) is in threaded connection with the lower chuck (2), the fixed clamping ring (4) is located inside a cavity formed by the upper chuck (1) and the lower chuck (2) in threaded connection, the upper end of the fixed clamping ring tightly supports against the top end of the upper chuck, the lower end of the fixed clamping ring tightly supports against the top end of the lower chuck, and one end, away from the virtual center of the fixed clamping ring (4), of the movable fastening block (5) tightly supports against the inner wall of the upper chuck.
2. The tool clamp for hanging the pipe in the ion nitriding process according to claim 1, wherein a clamping groove (12) is formed in one end, pointing to the virtual center of the fixed clamping ring (4), of the movable fastening block (5), and the return spring (6) is clamped in the clamping groove (12).
3. The tool clamp for hanging pipes in the ion nitriding process according to claim 1, wherein two sides of the sliding groove (11) close to the virtual center of the fixed clamping ring (4) are respectively provided with a limiting groove (13), a limiting block (14) is fixedly connected to the area of the movable fastening block (5) corresponding to the limiting groove (13), the limiting block (14) is clamped inside the limiting groove (13), and the limiting block (14) is slidably connected with the limiting groove (13).
4. The tool clamp for hanging the pipe in the ion nitriding process according to claim 1, wherein the radian of one side of the movable fastening block (5) close to the inner side wall of the upper chuck (1) is the same as the radian of the inner side wall of the upper chuck (1).
5. The tool clamp for hanging the pipe in the ion nitriding process according to claim 1, wherein the radian of one side of the movable fastening block (5) away from the virtual center of the fixed clamping ring (4) is the same as the radian of the outer side wall of the clamped pipe.
CN202122804742.8U 2021-11-16 2021-11-16 Tool clamp for hanging pipe in ion nitriding process Active CN216940231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122804742.8U CN216940231U (en) 2021-11-16 2021-11-16 Tool clamp for hanging pipe in ion nitriding process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122804742.8U CN216940231U (en) 2021-11-16 2021-11-16 Tool clamp for hanging pipe in ion nitriding process

Publications (1)

Publication Number Publication Date
CN216940231U true CN216940231U (en) 2022-07-12

Family

ID=82305642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122804742.8U Active CN216940231U (en) 2021-11-16 2021-11-16 Tool clamp for hanging pipe in ion nitriding process

Country Status (1)

Country Link
CN (1) CN216940231U (en)

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