CN216411176U

CN216411176U - Vacuum heating atmosphere test fixture

Info

Publication number: CN216411176U
Application number: CN202122858819.XU
Authority: CN
Inventors: 张晓晶
Original assignee: Tianjin Yujie Technology Co ltd
Current assignee: Tianjin Yujie Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-29
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a vacuum heating atmosphere test fixture, which comprises two symmetrically arranged mounting plates and two symmetrically and movably arranged fixture components arranged on one side of the mounting plates, wherein the two mounting plates are symmetrically provided, the two fixture components are arranged between the two mounting plates, two sides of each mounting plate are provided with a connecting lug in the middle, the connecting lugs are rotatably matched and installed on one side of each connecting lug facing to the fixture components, one end of each threaded lead screw is fixedly connected with a driving component, each fixture component comprises a supporting plate with a U-shaped plate in the middle of the two sides, and a threaded hole for the threaded matching and installation of the threaded lead screw is formed in the supporting plate. Avoid influencing the test result to vacuum heating atmosphere stove performance, the practicality is strong.

Description

Vacuum heating atmosphere test fixture

Technical Field

The utility model belongs to the technical field of test fixtures, and particularly relates to a vacuum heating atmosphere test fixture.

Background

The vacuum atmosphere furnace is also called a method for sintering objects such as an oxygen-free annealing furnace, a vacuum atmosphere sintering furnace and the like in a hearth into which certain gas is introduced. Different materials are sintered in proper atmosphere, which is beneficial to the sintering process, improves the densification degree of the product and obtains the product with good performance. Various atmospheres such as vacuum, hydrogen, oxygen, nitrogen and inert gas are commonly used in the vacuum atmosphere furnace

The inside test fixture that is not provided with of present vacuum heating atmosphere stove, the in-process object of testing vacuum heating atmosphere stove puts in the bottom of furnace, leads to the bottom of object to be shielded, is heated unevenly, and then influences the test result to vacuum heating atmosphere stove performance.

Disclosure of Invention

The utility model aims to provide a vacuum heating atmosphere test fixture to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a vacuum heating atmosphere test fixture comprises symmetrically arranged mounting plates and fixture components symmetrically movably mounted on one sides of the mounting plates;

the two mounting plates are symmetrically arranged, the two clamp assemblies are symmetrically arranged and arranged between the two mounting plates, connecting lugs are formed in the middle of the two sides of each mounting plate, one side, facing the clamp assemblies, of each connecting lug is rotatably matched with a threaded screw rod, and one end of each threaded screw rod is fixedly connected with a driving assembly;

the clamp assembly comprises supporting plates, wherein U-shaped plates are arranged on two sides of each supporting plate in the middle, and threaded holes for mounting threaded screws in threaded fit are formed in the supporting plates.

Further, drive assembly includes the base of fixed mounting in engaging lug one side, one side fixed mounting that the engaging lug was kept away from to the base has solid fixed ring, fixed mounting has the motor in the solid fixed ring, the motor passes through motor shaft and screw lead screw fixed connection.

Furthermore, a rectangular plate is fixedly mounted on one side of the supporting plate, and a squeezing plate is movably mounted on one side, far away from the supporting plate, of the rectangular plate.

Further, the equal equidistance fixed mounting in one side both sides of stripper plate towards the backup pad has the location guide pillar, the one end that the stripper plate was kept away from to the location guide pillar all passes rectangular plate and backup pad and demountable installation has spacing cardboard, and the cover is equipped with the compound spring of butt stripper plate and rectangular plate on the outer fringe face of location guide pillar.

Furthermore, support ribs fixedly connected to the support plate are formed on two sides of the U-shaped plate, and a bearing plate is symmetrically formed on one side of the support plate, which faces the extrusion plate.

Further, the rotatable knob of installing of up end equidistance of bearing plate, but the bottom fixedly connected with spiral of knob passes the silk axle of bearing plate, and the rotatable cooperation of the one end that the knob was kept away from to the silk axle is installed the extrusion dish, one side symmetrical structure that the extrusion dish was kept away from to the bearing plate has the trapezoidal rib of fixed connection in the backup pad.

Compared with the prior art, the utility model has the following beneficial effects: benefit from the setting of drive assembly and anchor clamps subassembly, can make the screw lead screw rotate through drive assembly, and then make the anchor clamps subassembly orientation of screw hole and screw lead screw-thread fit installation remove in the direction of keeping away from mounting panel one side, and then make the anchor clamps subassembly relative movement that the symmetry set up, it is fixed to carry out the centre gripping to the object through the anchor clamps subassembly, and then make the bottom of object break away from furnace's bottom, make being heated of object more balanced, avoid influencing the test result to vacuum heating atmosphere stove performance, and can realize the anchor clamps subassembly relative movement that the symmetry set up through drive assembly, can realize carrying out the centre gripping fixedly to the object of multiple size of a dimension, the application scope has been widened, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the clamp assembly of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. mounting a plate; 2. connecting lugs; 3. a threaded lead screw; 4. a base; 5. a fixing ring; 6. an electric motor; 7. a clamp assembly; 701. a support plate; 702. a U-shaped plate; 703. a support rib; 704. a threaded hole; 705. a pressing plate; 706. positioning the guide post; 707. a compound spring; 708. a bearing plate; 709. a knob; 710. an extrusion disc; 711. trapezoidal ribs.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a vacuum heating atmosphere test fixture comprises a symmetrically arranged mounting plate 1 and fixture components 7 symmetrically movably mounted on one side of the mounting plate 1;

two mounting plates 1 are symmetrically arranged, two clamp assemblies 7 are symmetrically arranged, the clamp assemblies 7 are arranged between the two mounting plates 1, connecting lugs 2 are formed in the middle of two sides of each mounting plate 1, one sides of the connecting lugs 2 facing the clamp assemblies 7 are rotatably matched with threaded screw rods 3, ball bearings are arranged at the joints of the connecting lugs 2 of the threaded screw rods 3, a group of threaded teeth with opposite thread rotating directions are symmetrically formed on the outer edge surfaces of the threaded screw rods 3, and one end of each threaded screw rod 3 is fixedly connected with a driving assembly;

the clamp assembly 7 comprises a supporting plate 701 with a U-shaped plate 702 constructed in the middle on both sides, a threaded hole 704 installed by a thread matching thread screw rod 3 is formed in the supporting plate 701, the thread screw rod 3 can rotate through the driving assembly thanks to the arrangement of the driving assembly and the clamp assembly 7, so that the clamp assembly 7 installed by the thread matching of the threaded hole 704 and the thread screw rod 3 moves towards the direction away from one side of the mounting plate 1, the symmetrically arranged clamp assemblies 7 move relatively, an object is clamped and fixed through the clamp assembly 7, the bottom of the object is separated from the bottom of a hearth, the object is heated more uniformly, the test result of the performance of the vacuum heating atmosphere furnace is prevented from being influenced, the symmetrically arranged clamp assemblies 7 can move relatively through the driving assembly, and the objects with various sizes can be clamped and fixed, the application range is widened, and the practicability is high.

Wherein, drive assembly includes base 4 of fixed mounting in engaging lug 2 one side, and one side fixed mounting that the engaging lug 2 was kept away from to base 4 has solid fixed ring 5, and solid fixed mounting has motor 6 in the solid fixed ring 5, and motor 6 passes through motor shaft and 3 fixed connection of screw lead screw.

Wherein, a rectangular plate is fixedly arranged on one side of the supporting plate 701, and an extrusion plate 705 is movably arranged on one side of the rectangular plate far away from the supporting plate 701, and during specific implementation, the extrusion plate 705 can be replaced by a rectangular grid structure, so that the heating balance of two sides of an object is ensured.

Wherein, the equal equidistance fixed mounting of one side both sides of stripper plate 705 towards backup pad 701 has positioning guide pillar 706, and the one end that positioning guide pillar 706 kept away from stripper plate 705 all passes rectangular plate and backup pad 701 and demountable installation has spacing cardboard, and the cover is equipped with the compound spring 707 who butts stripper plate 705 and rectangular plate on positioning guide pillar 706's the outer fringe face.

Wherein, both sides of the U-shaped plate 702 are configured with supporting ribs 703 fixedly connected to the supporting plate 701, and one side of the supporting plate 701 facing the pressing plate 705 is symmetrically configured with a bearing plate 708.

The rotary knob 709 is rotatably mounted on the upper end face of the bearing plate 708 at equal intervals, a screw shaft capable of spirally penetrating through the bearing plate 708 is fixedly connected to the bottom of the rotary knob 709, a squeezing disc 710 is rotatably mounted at one end of the screw shaft, which is far away from the rotary knob 709, a ball bearing is arranged at the connection position of the screw shaft and the support plate 701, and trapezoidal ribs 711 fixedly connected to the support plate 701 are symmetrically formed on one side of the bearing plate 708, which is far away from the squeezing disc 710.

The working principle is as follows: the vacuum heating atmosphere test fixture can be fixedly arranged in the middle of a vacuum heating atmosphere furnace when in use, an object to be clamped is placed between symmetrically arranged fixture components 7, the threaded screw rod 3 is rotated by starting the motor 6, the fixture components 7 which are arranged by the threaded matching of the threaded hole 704 and the threaded screw rod 3 move towards the direction far away from one side of the mounting plate 1, the symmetrically arranged fixture components 7 move relatively, the extrusion plate 705 is abutted against the side surface of the object to clamp the object, the extrusion plate 705 pushes the positioning guide post 706 to move while being abutted against the side surface of the object, the composite spring 707 deforms under pressure to realize clamping buffering, the screw shaft rotates and pushes the extrusion disc 710 to move towards the object by rotating the knob 709, and the support plate 701 is abutted against the object to further fix the object, promote the fixed effect to the object, can realize testing the performance of vacuum heating atmosphere stove after the fixed completion of object centre gripping, this vacuum heating atmosphere test fixture, rational in infrastructure, it is fixed to be convenient for carry out the centre gripping to the object, and then makes the bottom of object break away from furnace's bottom for the object be heated more balanced, avoid influencing the test result to vacuum heating atmosphere stove performance, the practicality is strong.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vacuum heating atmosphere test fixture comprises a mounting plate (1) which is symmetrically arranged and fixture components (7) which are symmetrically and movably mounted on one side of the mounting plate (1);

the method is characterized in that: the two mounting plates (1) are symmetrically arranged, the two clamp assemblies (7) are symmetrically arranged, the clamp assemblies (7) are arranged between the two mounting plates (1), connecting lugs (2) are formed in the middle of two sides of each mounting plate (1), one sides of the connecting lugs (2) facing the clamp assemblies (7) are rotatably matched with threaded screw rods (3), and one ends of the threaded screw rods (3) are fixedly connected with driving assemblies;

the clamp assembly (7) comprises a supporting plate (701) with two sides provided with a U-shaped plate (702) in the middle, and a threaded hole (704) for installing a thread matching threaded screw rod (3) is formed in the supporting plate (701).

2. A vacuum heated atmosphere test fixture as claimed in claim 1, wherein: drive assembly includes base (4) of fixed mounting in engaging lug (2) one side, one side fixed mounting that engaging lug (2) were kept away from in base (4) has solid fixed ring (5), gu fixed ring (5) internal fixation installs motor (6), motor (6) are through motor shaft and threaded screw (3) fixed connection.

3. A vacuum heated atmosphere test fixture as claimed in claim 1, wherein: a rectangular plate is fixedly mounted on one side of the supporting plate (701), and a squeezing plate (705) is movably mounted on one side, far away from the supporting plate (701), of the rectangular plate.

4. A vacuum heated atmosphere test fixture as claimed in claim 3, wherein: the extrusion plate (705) is towards equal equidistance fixed mounting in the one side both sides of backup pad (701) has location guide pillar (706), the one end that extrusion plate (705) were kept away from in location guide pillar (706) all passes rectangular plate and backup pad (701) and demountable installation has spacing cardboard, and the cover is equipped with compound spring (707) of butt extrusion plate (705) and rectangular plate on the outer fringe face of location guide pillar (706).

5. A vacuum heated atmosphere test fixture as claimed in claim 4, wherein: the U-shaped plate (702) is provided with support ribs (703) fixedly connected to the support plate (701) on both sides, and the support plate (701) is symmetrically provided with bearing plates (708) on one side facing the extrusion plate (705).

6. A vacuum heated atmosphere test fixture as claimed in claim 5, wherein: the rotary knob (709) is rotatably installed to the up end equidistance of bearing plate (708), but the bottom fixedly connected with screw that the screw passed bearing plate (708) of knob (709), the rotatable cooperation of the one end that the screw was kept away from knob (709) is installed extrusion dish (710), one side symmetry that bearing plate (708) was kept away from extrusion dish (710) is constructed trapezoidal rib (711) fixedly connected in backup pad (701).