CN219174668U - High-stability hydraulic clamp for single crystal furnace - Google Patents

Abstract

The utility model relates to the technical field of single crystal furnace devices, in particular to a high-stability single crystal furnace hydraulic clamp which comprises a mounting plate and a hydraulic telescopic rod, wherein an upper clamp and a lower clamp are respectively arranged at the upper end and the lower end of the front end face of the mounting plate, the upper clamp and the lower clamp are connected through a driving rod, the output end of the hydraulic telescopic rod is connected with the middle of the driving rod and is used for driving the driving rod to move along the direction close to or far away from the mounting plate, and then the upper clamp and the lower clamp are driven to open or close.

Description

High-stability hydraulic clamp for single crystal furnace

Technical Field

The utility model relates to the technical field of single crystal furnace devices, in particular to a high-stability single crystal furnace hydraulic clamp.

Background

The single crystal furnace is a device for growing dislocation-free single crystals by using a Czochralski method in an inert gas environment by using a graphite heater to melt polycrystalline materials such as polysilicon. In the production process, the crystal bar needs to be taken out of the single crystal furnace, and in the traditional production process, the crystal bar is mostly taken out manually, so that the bar taking efficiency is low and potential safety hazards exist.

In the Chinese patent literature library, the utility model patent of the publication number CN 203728965U discloses a single crystal furnace clamping device, which clamps and fixes the upper end and the lower end of a crystal bar by arranging a mechanical arm and two check blocks, so that breakage of the crystal bar caused by shaking when the crystal bar is taken out is avoided, but the position of the check block is required to be manually adjusted during actual use, a plurality of mechanical arms are arranged, equipment investment is increased, the distance between the check block and the mechanical arm is fixed, applicability is not strong, and the mechanical arms are in long-term contact with the crystal bar and are also easy to wear.

Disclosure of Invention

The utility model aims to provide a high-stability hydraulic clamp for a single crystal furnace, which solves the problems that the position of a stop block needs to be manually adjusted, the spacing between the stop block and a manipulator is inconvenient to adjust and the manipulator is easy to wear in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high stability's single crystal growing furnace hydraulic clamp, includes mounting panel and hydraulic telescoping rod, the upper and lower both ends of terminal surface are provided with anchor clamps and lower anchor clamps respectively before the mounting panel, and go up and connect through the actuating lever between anchor clamps and the lower anchor clamps, hydraulic telescoping rod's output is connected with the centre of actuating lever for drive actuating lever along being close to or keeping away from the direction of mounting panel and remove, drive anchor clamps and lower anchor clamps and open or fold then.

Further, the driving rod comprises an outer tube, two inner rods inserted into two ends of the outer tube respectively and a connecting piece arranged on the outer side wall of the outer tube, and the connecting piece is fixedly connected with the output end of the hydraulic telescopic rod.

Further, the two inner rods comprise threaded sections in threaded connection with the outer tube and connecting sections arranged at one ends of the threaded sections far away from the outer tube, the size of the connecting sections is smaller than that of the threaded sections, and the threads of the threaded sections of the two inner rods are opposite.

Further, the connecting piece is rotatably sleeved on the outer side wall of the outer tube through the sliding rail, and the connecting piece is connected with a fixing knob in a threaded manner for tightly propping the outer tube.

Further, go up anchor clamps and lower anchor clamps and all include the clamping jaw and be used for carrying out the backup pad of installing to the clamping jaw, the clamping jaw includes drive division, two connecting portions and two clamping parts of V type, two the one end of connecting portion rotates with two tip of drive division respectively and is connected, the one end and the connecting portion fixed connection of clamping part, and the other end and the backup pad rotation of clamping part are connected, run through in the backup pad and be provided with the through-hole of stepping down that holds the linkage segment and reciprocate, the linkage segment passes the through-hole of stepping down and with drive division fixed connection.

Further, the connecting section is of a polygonal prism structure, and the width of the abdication through hole is the same as that of the connecting section.

Further, two opposite ends of the connecting portion are detachably provided with clamping plates.

Compared with the prior art, the utility model has the beneficial effects that: this single crystal growing furnace hydraulically operated fixture of high stability

(1) The upper clamp and the lower clamp are respectively arranged at the upper end and the lower end of the mounting plate, so that the upper end and the lower end of the crystal bar can be simultaneously and automatically clamped, the clamping stability is high, the crystal bar is not easy to shake, the upper clamp and the lower clamp are connected through the driving rod, and the driving rod is driven to move back and forth through the hydraulic telescopic rod, so that the upper clamp and the lower clamp can be synchronously driven to open or close, the equipment investment is reduced, and the working cost is reduced;

(2) The distance between the upper clamp and the lower clamp can be adjusted by arranging the driving rod into a telescopic mode of the outer pipe and the inner rod, so that the device is suitable for crystal bars with different lengths;

(3) Through the detachably grip block in the opposite one end of connecting portion, the convenient change when the grip block takes place wearing and tearing.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of the clamping jaw of the present utility model;

FIG. 3 is a schematic view of a driving rod in a perspective cutaway structure of the utility model;

FIG. 4 is a schematic cross-sectional view of a driving rod according to the present utility model.

In the figure: 1. a mounting plate; 2. a clamp is arranged; 3. a lower clamp; 4. a driving rod; 401. an outer tube; 402. an inner rod; 4021. a threaded section; 4022. a connection section; 403. a connecting piece; 404. fixing a knob; 5. a hydraulic telescopic rod; 6. a support plate; 601. a relief through hole; 7. a clamping jaw; 701. a driving section; 702. a connection part; 703. a clamping part; 704. and a clamping plate.

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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected or detachably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-4, an embodiment of the present utility model is provided: the high-stability single crystal furnace hydraulic clamp comprises a mounting plate 1 and a hydraulic telescopic rod 5, wherein the mounting plate 1 is of a vertical strip-shaped structure, a mounting hole can be formed in the surface of the mounting plate 1 and is fixedly mounted or adjustably mounted with a feeding car, an upper clamp 2 and a lower clamp 3 are respectively arranged at the upper end and the lower end of the front end surface of the mounting plate 1, the upper clamp 2 and the lower clamp 3 are connected through a driving rod 4, the hydraulic telescopic rod 5 is mounted on the back surface of the mounting plate 1, the output end of the hydraulic telescopic rod 5 extends to the front end surface of the mounting plate 1 and is connected with the middle of the driving rod 4, the driving rod 4 is used for driving the driving rod 4 to move along the direction close to or far away from the mounting plate 1, the upper clamp 2 and the lower clamp 3 are driven to open or close, the driving rod 4 comprises an outer tube 401, two inner rods 402 which are respectively inserted into the two ends of the outer tube 401 and connecting pieces 403 which are arranged on the outer side wall of the outer tube 401, the connecting pieces 403 are fixedly connected with the output ends of the hydraulic telescopic rod 5, the inner clamps 2 and the lower clamp 3 can be adjusted by adjusting the length of the inner rods 402, so that crystal bars with different lengths can be conveniently clamped;

in this embodiment, both inner rods 402 include a threaded section 4021 screwed with the outer tube 401 and a connecting section 4022 disposed at an end of the threaded section 4021 far away from the outer tube 401, the size of the connecting section 4022 is smaller than that of the threaded section 4021, the threads of the threaded sections 4021 of the two inner rods 402 are opposite, and when the outer tube 401 is rotated, the two inner rods 402 can be driven to move in opposite directions at the same time, so that the length of the inner rods can be quickly adjusted;

the connecting piece 403 is rotatably sleeved on the outer side wall of the outer tube 401 through a sliding rail, so that the connecting piece 403 and the outer tube 401 can rotate relatively, a fixing knob 404 used for propping the outer tube 401 tightly is connected to the connecting piece 403 in a threaded manner, after the length of the driving rod 4 is adjusted, the fixing knob 404 is rotated to fix, the driving rod 4 is prevented from shaking in the clamping process, the outer tube 401 and the inner rod 402 can be set to be of a sliding telescopic structure, and the two ends of the outer tube 401 are fixedly connected with the outer tube 401 through bolts, so that the positions of the upper clamp 2 and the lower clamp 3 can be freely adjusted;

referring to fig. 1 and 2, each of the upper and lower clamps 2 and 3 includes a clamping jaw 7 and a supporting plate 6 for mounting the clamping jaw 7, in this embodiment, the supporting plate 6 is horizontally placed, one end of the supporting plate 6 is slidably connected with the mounting plate 1 through a T-shaped sliding rail, the clamping jaw 7 includes a V-shaped driving portion 701, two connecting portions 702 and two clamping portions 703, one ends of the two connecting portions 702 are respectively rotationally connected with two ends of the driving portion 701, one ends of the clamping portions 703 are fixedly connected with the connecting portions 702, the other ends of the clamping portions 703 are rotationally connected with the supporting plate 6, a yielding through hole 601 for accommodating the front and rear movement of the connecting segment 4022 is provided on the supporting plate 6, and the connecting segment 4022 passes through the yielding through hole 601 and is fixedly connected with the driving portion 701;

the connecting section 4022 is of a polygonal prism structure, the abdication through hole 601 is identical to the connecting section 4022 in width, and since the size of the connecting section 4022 is smaller than that of the threaded section 4021, the connecting section 4022 passes through the abdication through hole 601 and then is fixedly connected with the driving part 701 through a bolt, and then the supporting plate 6 can be clamped between the clamping jaw 7 and the threaded section 4021, so that the supporting plate 6 and the inner rod 402 can synchronously move.

Working principle: through the flexible of hydraulic telescoping rod 5, promote actuating lever 4 along keeping away from or being close to the direction slip of mounting panel 1 to drive the one end back-and-forth movement of drive portion 701, drive portion 701 drives the one end of two connecting portions 702 and opens or close, can realize the clamp of crystal bar or loosen, go up anchor clamps 2 and lower anchor clamps 3 and can carry out the centre gripping to the upper and lower both ends of crystal bar simultaneously, crystal bar shake when avoiding the centre gripping, lead to its fracture, rotatory outer tube 401 can drive two interior poles 402 and move to opposite direction, thereby adjust the interval of going up anchor clamps 2 and lower anchor clamps 3, be applicable to the crystal bar of different length.

Example 2

In this embodiment, on the basis of embodiment 1, opposite ends of the two connection portions 702 are detachably provided with the clamping plates 704 by bolts, and replacement is facilitated when the clamping plates 704 are worn.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. High-stability single crystal furnace hydraulic clamp, including mounting panel (1) and hydraulic telescoping rod (5), its characterized in that: the upper end and the lower end of the front end face of the mounting plate (1) are respectively provided with an upper clamp (2) and a lower clamp (3), the upper clamp (2) and the lower clamp (3) are connected through a driving rod (4), the output end of the hydraulic telescopic rod (5) is connected with the middle of the driving rod (4) and used for driving the driving rod (4) to move along the direction close to or far away from the mounting plate (1), and then the upper clamp (2) and the lower clamp (3) are driven to open or close.

2. The high stability single crystal furnace hydraulic clamp of claim 1, wherein: the driving rod (4) comprises an outer tube (401), two inner rods (402) which are respectively inserted into two ends of the outer tube (401) and a connecting piece (403) which is arranged on the outer side wall of the outer tube (401), and the connecting piece (403) is fixedly connected with the output end of the hydraulic telescopic rod (5).

3. The high stability single crystal furnace hydraulic clamp of claim 2, wherein: both inner rods (402) comprise a threaded section (4021) in threaded connection with the outer tube (401) and a connecting section (4022) arranged at one end, far away from the outer tube (401), of the threaded section (4021), the size of the connecting section (4022) is smaller than that of the threaded section (4021), and threads of the threaded sections (4021) of the two inner rods (402) are opposite.

4. The high stability single crystal furnace hydraulic clamp of claim 3, wherein: the connecting piece (403) is rotationally sleeved on the outer side wall of the outer tube (401) through a sliding rail, and a fixing knob (404) for propping the outer tube (401) tightly is connected to the connecting piece (403) in a threaded mode.

5. The high stability single crystal furnace hydraulic clamp of claim 3, wherein: go up anchor clamps (2) and lower anchor clamps (3) all include clamping jaw (7) and are used for carrying out backup pad (6) of installing to clamping jaw (7), clamping jaw (7) are including drive portion (701), two connecting portions (702) and two clamping portions (703) of V type, two the one end of connecting portion (702) is rotated with two tip of drive portion (701) respectively and is connected, the one end and the connecting portion (702) fixed connection of clamping portion (703), and the other end and backup pad (6) of clamping portion (703) rotate to be connected, run through on backup pad (6) and be provided with and hold the through-hole (601) of stepping down that connecting section (4022) reciprocated, connecting section (4022) pass through-hole (601) and are fixed connection with drive portion (701).

6. The high stability single crystal furnace hydraulic clamp of claim 5, wherein: the connecting section (4022) is of a polygonal prism structure, and the width of the abdication through hole (601) is the same as that of the connecting section (4022).

7. The high stability single crystal furnace hydraulic clamp of claim 1, wherein: the opposite ends of the two connecting parts (702) are detachably provided with clamping plates (704).

Images