CN221209884U - Deep hole inner supporting structure for deep hole inner wall vacuum sintering - Google Patents

Abstract

The utility model relates to the technical field of deep hole inner wall support, and discloses a deep hole inner support structure for deep hole inner wall vacuum sintering, which comprises a shell, wherein a support structure for supporting the deep hole inner wall is arranged on the inner side of the shell, the support structure comprises an air cylinder fixedly connected to the inner top wall of the shell, a sealing block is fixedly connected to the bottom end of a piston rod of the air cylinder, a sealing cushion layer is fixedly connected to the outer side of the sealing block, a connecting rod is fixedly connected to the bottom of the sealing block, a connecting block is fixedly connected to the bottom end of the connecting rod, four telescopic rods are fixedly connected to the outer surface of the connecting block, springs are sleeved on the outer sides of the telescopic rods, and one end of the piston rod of the telescopic rods is fixedly connected with a supporting plate. This a deep hole inner support structure for deep hole inner wall vacuum sintering supports the inner wall of boiler tube through bearing structure to prevent at the in-process boiler tube deep hole inner wall of sintering can appear deformation, the problem such as fracture.

Description

Deep hole inner supporting structure for deep hole inner wall vacuum sintering

Technical Field

The utility model relates to the technical field of deep hole inner wall support, in particular to a deep hole inner support structure for deep hole inner wall vacuum sintering.

Background

The tungsten carbide wear-resistant alloy is a hard alloy taking tungsten carbide as a main component, has the characteristics of high hardness, high wear resistance and the like, is widely applied to the fields of manufacturing cutting tools, wear-resistant parts and the like, and is subjected to a plurality of working procedures, wherein sintering is the most critical step.

In the sintering process, the inner wall of the deep hole may have deformation, cracking and other problems, which may seriously affect the quality and precision of the product, and the main purpose of supporting the inner wall of the deep hole is to prevent the problems, however, the current supporting structure has poor sealing property during vacuum sintering, and is easy to lead the gas and materials in the furnace to leak.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the deep hole inner supporting structure for the vacuum sintering of the deep hole inner wall, has the advantages of enhanced sealing performance and the like, and solves the problems that the existing supporting structure is poor in sealing performance during vacuum sintering and is easy to lead the leakage of gas and materials in a furnace.

(II) technical scheme

In order to achieve the purpose of enhancing the sealing performance, the utility model provides the following technical scheme: the deep hole inner supporting structure for deep hole inner wall vacuum sintering comprises a shell, wherein a supporting structure for supporting the deep hole inner wall is arranged on the inner side of the shell;

The supporting structure comprises a cylinder fixedly connected to the inner top wall of the shell, a sealing block is fixedly connected to the bottom end of a piston rod of the cylinder, a sealing cushion layer is fixedly connected to the outer side of the sealing block, a connecting rod is fixedly connected to the bottom of the sealing block, a connecting block is fixedly connected to the bottom end of the connecting rod, four telescopic rods are fixedly connected to the outer surface of the connecting block, springs are sleeved on the outer sides of the telescopic rods, and a supporting plate is fixedly connected to one end of the piston rod of the telescopic rods.

Further, the sealing block is cylindrical, and the height of the sealing cushion layer is equal to that of the sealing block.

Further, the four telescopic rods are respectively and fixedly connected to the front face of the connecting block, the back face of the connecting block, the left side of the connecting block and the right side of the connecting block.

Further, the equal fixedly connected with framework of left and right sides of casing, left and right sides the inboard of framework is all rotated and is connected with the threaded rod, left and right sides the equal fixedly connected with handle of one end of the back of the body that is opposite to the threaded rod, and the equal threaded connection in the outside of left and right sides threaded rod has the screw thread piece, left and right sides the equal fixedly connected with slide bar of bottom of screw thread piece, left and right sides the equal fixedly connected with splint of bottom of slide bar, and the opposite one side of left and right sides splint all is equipped with the bump.

Further, the height and the width of the thread blocks are respectively equal to the height and the width of the inside of the frame body.

Further, a sliding port matched with the sliding rod is formed in the bottom of the frame body.

Further, the installation cavity is arranged on the inner side of the connecting block, the vacuum pressure sensor is fixedly connected to the inner top wall of the installation cavity, and the detection port communicated with the installation cavity is arranged on the bottom of the connecting block.

(III) beneficial effects

Compared with the prior art, the utility model provides the deep hole inner supporting structure for deep hole inner wall vacuum sintering, which has the following beneficial effects:

This a deep hole inner support structure for deep hole inner wall vacuum sintering supports the inner wall of boiler tube through bearing structure to prevent at the in-process boiler tube deep hole inner wall of sintering can appear deformation, fracture scheduling problem, this bearing structure is equipped with the sealing member simultaneously, thereby prevents gas and material when the sintering and leak.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a connection block in the structure of the present utility model.

In the figure: 1. a housing; 2. a cylinder; 3. a sealing block; 4. a sealing cushion layer; 5. a connecting rod; 6. a connecting block; 7. a telescopic rod; 8. a spring; 9. a support plate; 10. a frame; 11. a threaded rod; 12. a handle; 13. a screw block; 14. a slide bar; 15. a clamping plate; 16. a mounting cavity; 17. a vacuum pressure sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a deep hole inner supporting structure for vacuum sintering of deep hole inner wall includes a casing 1, and a supporting structure for supporting the deep hole inner wall is arranged on the inner side of the casing 1.

As shown in fig. 1, the supporting structure comprises a cylinder 2 fixedly connected to the inner top wall of a shell 1, a sealing block 3 is fixedly connected to the bottom end of a piston rod of the cylinder 2, a sealing cushion layer 4 is fixedly connected to the outer side of the sealing block 3, a connecting rod 5 is fixedly connected to the bottom of the sealing block 3, a connecting block 6 is fixedly connected to the bottom end of the connecting rod 5, four telescopic rods 7 are fixedly connected to the outer surface of the connecting block 6, springs 8 are sleeved on the outer sides of the telescopic rods 7, and a supporting plate 9 is fixedly connected to one end of the piston rod of the telescopic rods 7.

It should be noted that, sealing block 3 is cylindrically, sealing cushion layer 4's height equals with sealing block 3's height, four telescopic links 7 are fixedly connected with in the front of connecting block 6 respectively, the back of connecting block 6, the left side of connecting block 6 and the right side of connecting block 6, the equal fixedly connected with framework 10 in the left and right sides of casing 1, the inboard of the both sides framework 10 all rotates and is connected with threaded rod 11, the right-hand member of left side threaded rod 11 rotates with the interior right side wall of left side framework 10 to be connected, the left end of right side threaded rod 11 rotates with the interior left side wall of right side framework 10 to be connected, the equal fixedly connected with handle 12 of the equal threaded connection in the outside of both sides threaded rod 11 has thread block 13, the equal fixedly connected with slide bar 14 in the bottom of the equal threaded block 13 in the both sides, the bottom of the equal fixedly connected with slide bar 14 in the both sides slide bar 14, and the opposite one side of both sides 15 is equipped with the bump, the bump is used for increasing the frictional force of splint 15, thereby improve the centre gripping effect, the height and the width of thread block 13 are equipped with the top wall 16 that the inside of framework 10 is equal with the inside of the framework 10 and the top wall 16 is installed with the top wall 16, the vacuum sensor 16 is installed with the opening 16, the bottom opening 16 is connected with the top wall 16, the vacuum sensor is installed with the opening 16.

The working principle of the embodiment is as follows:

The handle 12 is rotated to drive the threaded rod 11 to rotate, the threaded rod 11 drives the threaded block 13 to move, the threaded block 13 then drives the slide bar 14 to move, the slide bar 14 then drives the clamping plate 15 to move, the clamping plates 15 on the left side and the right side move towards opposite directions, the outer wall of the furnace tube is clamped through the clamping plates 15 on the left side and the right side, then the sealing block 3 is driven by the air cylinder 2 to descend and enter the interior of the furnace tube, the interior of the furnace tube is sealed through the sealing cushion layer 4, so that gas and materials are prevented from leaking, the connecting rod 5 is driven by the sealing block 3 to enter the furnace tube, the connecting rod 5 then enters the furnace tube to the movable connecting rod 6, and accordingly the inner wall of the furnace tube is supported through the four telescopic rods 7 and the four supporting plates 9, and the sealing condition in the furnace tube is monitored through the vacuum pressure sensor 17.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A support structure in deep hole for deep hole inner wall vacuum sintering, includes casing (1), its characterized in that: the inner side of the shell (1) is provided with a supporting structure for supporting the inner wall of the deep hole;

The supporting structure comprises a cylinder (2) fixedly connected to the inner top wall of the shell (1), a sealing block (3) is fixedly connected to the bottom end of a piston rod of the cylinder (2), a sealing cushion layer (4) is fixedly connected to the outer side of the sealing block (3), a connecting rod (5) is fixedly connected to the bottom of the sealing block (3), a connecting block (6) is fixedly connected to the bottom end of the connecting rod (5), four telescopic rods (7) are fixedly connected to the outer surface of the connecting block (6), a spring (8) is sleeved on the outer side of the telescopic rods (7), and a supporting plate (9) is fixedly connected to one end of the piston rod of the telescopic rods (7).

2. The deep hole inner support structure for deep hole inner wall vacuum sintering according to claim 1, wherein: the sealing block (3) is cylindrical, and the height of the sealing cushion layer (4) is equal to the height of the sealing block (3).

3. The deep hole inner support structure for deep hole inner wall vacuum sintering according to claim 1, wherein: the four telescopic rods (7) are respectively and fixedly connected to the front face of the connecting block (6), the back face of the connecting block (6), the left side of the connecting block (6) and the right side of the connecting block (6).

4. The deep hole inner support structure for deep hole inner wall vacuum sintering according to claim 1, wherein: the utility model discloses a novel anti-theft device for the automobile, including casing (1), frame (10) of equal fixedly connected with in left and right sides of casing (1), left and right sides the inboard of frame (10) is all rotated and is connected with threaded rod (11), left and right sides the equal fixedly connected with handle (12) of one end that is opposite to of threaded rod (11), and the equal threaded connection in the outside of left and right sides threaded rod (11) has screw thread piece (13), left and right sides the equal fixedly connected with slide bar (14) in bottom of screw thread piece (13), the left and right sides the equal fixedly connected with splint (15) of bottom of slide bar (14), and the opposite one side of left and right sides splint (15) all is equipped with the bump.

5. The deep hole inner support structure for deep hole inner wall vacuum sintering according to claim 4, wherein: the height and the width of the thread block (13) are respectively equal to the height and the width of the inside of the frame body (10).

6. The deep hole inner support structure for deep hole inner wall vacuum sintering according to claim 4, wherein: the bottom of the frame body (10) is provided with a sliding opening matched with the sliding rod (14).

7. The deep hole inner support structure for deep hole inner wall vacuum sintering according to claim 1, wherein: the inner side of the connecting block (6) is provided with an installation cavity (16), the inner top wall of the installation cavity (16) is fixedly connected with a vacuum pressure sensor (17), and the bottom of the connecting block (6) is provided with a detection port communicated with the installation cavity (16).