CN211602732U

CN211602732U - Casting work piece tension and compression stress testing arrangement

Info

Publication number: CN211602732U
Application number: CN201922119879.2U
Authority: CN
Inventors: 蒋华兴
Original assignee: Changzhou Huateng Foundry Co ltd
Current assignee: Changzhou Huateng Foundry Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-29
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a casting work piece draws compression stress testing arrangement, which comprises a base, base top central point puts the total box of fixedly connected with, the internal lateral wall fixedly connected with division board of total box, division board upper surface central point puts and sets up the mouth that slides that runs through the setting, division board upper surface is located the arbitrary one side fixedly connected with ultra-low temperature cooler of mouth that slides, division board position in the position sliding connection of mouth that slides has the dead lever that two symmetries set up, two the dead lever is located the fixed station that two symmetries of one side fixedly connected with at mouth middle part set up, two the fixed station top runs through threaded connection has first butterfly bolt, two casting work piece has been placed between the fixed station, casting work piece is supported tightly by first butterfly bolt bottom. The utility model discloses detection method is comparatively soft, and the measured data is comparatively accurate detailed, the more safe and reliable of simultaneous detection method.

Description

Casting work piece tension and compression stress testing arrangement

Technical Field

The utility model relates to a casting work piece detects technical field, especially relates to a casting work piece draws pressure stress testing arrangement.

Background

Investment casting, also known as lost-wax casting, generally refers to a casting scheme in which a pattern is made of a fusible material, a shell is made of a plurality of layers of refractory materials coated on the surface of the pattern, the pattern is melted and discharged from the shell, so that a casting mold without a parting surface is obtained, and the casting mold is roasted at a high temperature and then filled with sand for pouring. Investment casting is often referred to as "lost wax casting" because patterns are widely made from waxy materials. The types of alloys that can be produced by the investment casting method include carbon steel, alloy steel, heat-resistant alloy, stainless steel, precision alloy, permanent magnet alloy, bearing alloy, copper alloy, aluminum alloy, titanium alloy, nodular cast iron, and the like. Investment castings are generally complex in shape, the minimum diameter of a castable hole in the casting can be 0.5mm, and the minimum wall thickness of the casting is 0.3 mm. During production, some parts which are originally formed by combining a plurality of parts can be designed into an integral part by changing the structure of the parts and directly cast by investment casting, so that the processing time and the consumption of metal materials are saved, and the structure of the parts is more reasonable.

After a cast workpiece is manufactured, whether the tensile and compressive stress value of the product can reach a specified value or not needs to be detected for safety in use, but in the prior art, impact is performed by adopting a brute force impact mode, the obtained value is not accurate, and meanwhile, safety hazards exist in brute force impact detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a casting workpiece tension and compression stress testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a casting work piece draws compression stress testing arrangement, includes the base, base top central point puts fixedly connected with header tank, the internal lateral wall fixedly connected with division board of header tank, division board upper surface central point puts and sets up the spout that runs through the setting, division board upper surface is located the arbitrary one side fixedly connected with ultra-low temperature cooler of spout, division board position sliding connection who slides in the spout has the dead lever that two symmetries set up, two the dead lever is located the fixed station that two symmetries of one side fixedly connected with at spout middle part set up, two the fixed station top runs through threaded connection has first butterfly bolt, two casting work piece has been placed between the fixed station, casting work piece is supported tightly by first butterfly bolt bottom.

As a further description of the above technical solution:

the base upper surface is located two pneumatic cylinders that the symmetry set up of total box both sides position fixedly connected with, two the flexible end of pneumatic cylinder all is towards total box, two the equal fixedly connected with pull rod of the flexible end of pneumatic cylinder, the pull rod is kept away from pneumatic cylinder one end and is run through total box lateral wall.

As a further description of the above technical solution:

the part of the pull rod, which is positioned in the header box body, is positioned below the partition plate, two symmetrically-arranged slide blocks are arranged below the partition plate in the header box body, and one end of the pull rod, which is positioned in the header box body, is fixedly connected with the side ends of the slide blocks.

As a further description of the above technical solution:

two slider bottom fixedly connected with stopper, the internal diapire middle part of header tank position fixedly connected with slide rail, stopper and slide rail sliding connection.

As a further description of the above technical solution:

the bottom of the fixed rod is fixedly connected with the top of the sliding block, and the bottoms of the two sliding blocks are fixedly connected with a connecting wire fixer on one side of the middle part of the sliding opening.

As a further description of the above technical solution:

the connecting wire fixer is provided with a wire clamping port close to the rear side wall, and the bottom of the connecting wire fixer is in threaded connection with a second disc-shaped bolt.

As a further description of the above technical solution:

the novel bus box is characterized in that a broken line alarm is fixedly connected to any one side of the inner bottom wall of the bus box body and provided with a connecting line, and the connecting line is clamped with the line clamping port and the part, located between the two connecting line fixing devices, is tightened.

As a further description of the above technical solution:

and one ends of the first butterfly bolt and the second butterfly bolt, which are far away from the butterfly block, are rotatably connected with rubber pads.

As a further description of the above technical solution:

the box door has been seted up to total box antetheca, ultra-low temperature cooler place the door towards the box door, box door middle part position runs through and is provided with visual window.

The utility model discloses following beneficial effect has:

the utility model discloses a set up ultra-low temperature cooler and pneumatic cylinder, carry out the ultra-low temperature through the ultra-low temperature cooler and freeze the casting fragile, take out and put on the fixed station, utilize the pneumatic cylinder to drag it, can detect the drawing and pressing stress bearing peak value of casting through the inside that the pneumatic cylinder was applyed and the cracked time of casting.

The utility model discloses detection method is comparatively soft, and the measured data is comparatively accurate detailed, the more safe and reliable of simultaneous detection method.

Drawings

Fig. 1 is a front view of a tensile and compressive stress testing device for a cast workpiece according to the present invention;

fig. 2 is a cross-sectional view of a tensile and compressive stress testing device for a cast workpiece according to the present invention;

fig. 3 is a sectional view of the connecting wire fixer of the tension and compression stress testing device for the casting workpiece according to the present invention.

Illustration of the drawings:

1. a base; 2. a main box body; 3. a box door; 4. a visible window; 5. a wire clamping port; 6. a pull rod; 7. a hydraulic cylinder; 8. an ultra-low temperature cooler; 9. a slider; 10. a fixed table; 11. a first butterfly bolt; 12. casting a workpiece; 13. fixing the rod; 14. a second disk bolt; 15. a sliding port; 16. a separator plate; 17. a wire break alarm; 18. a limiting block; 19. a connecting wire holder; 20. a connecting wire; 21. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a casting work piece draws pressure stress testing arrangement, which comprises a

base

1, 1 top central point of base puts fixedly connected with

total box

2, 2 inside wall fixedly connected with division board 16 of total box, division board 16 upper surface central point puts and sets up the spout 15 that runs through the setting, 16 arbitrary one side fixedly connected with ultra-low temperature cooler 8 that the upper surface of division board is located spout 15, division board 16 is located the position sliding connection of spout 15 has the dead lever 13 that two symmetries set up, two dead levers 13 are located the fixed station 10 that two symmetries of one side fixedly connected with at spout 15 middle part set up, two fixed station 10 tops run through threaded connection have first butterfly bolt 11, casting work piece 12 has been placed between two fixed stations 10, casting work piece 12 is supported tightly by first butterfly bolt 11 bottoms.

The upper surface of the base 1 is located two hydraulic cylinders 7 which are symmetrically arranged on two sides of the main box body 2 in a fixed mode, the telescopic ends of the two hydraulic cylinders 7 face the main box body 2, the telescopic ends of the two hydraulic cylinders 7 are fixedly connected with pull rods 6, and one ends of the pull rods 6, far away from the hydraulic cylinders 7, penetrate through the side wall of the main box body 2. The part of the pull rod 6 located in the main box body 2 is located below the isolation plate 16, two symmetrically arranged slide blocks 9 are arranged in the main box body 2 below the isolation plate 16, and one end of the pull rod 6 located in the main box body 2 is fixedly connected with the side ends of the slide blocks 9.

The bottoms of the two sliding blocks 9 are fixedly connected with limiting blocks 18, the middle part of the bottom wall in the main box body 2 is fixedly connected with a sliding rail 21, and the limiting blocks 18 are connected with the sliding rail 21 in a sliding manner. The bottom of the fixed rod 13 is fixedly connected with the tops of the sliding blocks 9, and the bottoms of the two sliding blocks 9 are fixedly connected with a connecting wire fixer 19 at one side of the middle part of the sliding opening 15. The connecting wire fixer 19 is provided with a wire clamping port 5 near the rear side wall, and the bottom of the connecting wire fixer 19 is in threaded connection with a second dish-shaped bolt 14.

Any side of the bottom wall of the main box body 2 is fixedly connected with a broken line alarm 17, the broken line alarm 17 is provided with a connecting line 20, and the connecting line 20 is clamped with the line clamping port 5 and the part positioned between the two connecting line fixing devices 19 is tightened. And one ends of the first butterfly bolt 11 and the second butterfly bolt 14, which are far away from the butterfly block, are rotatably connected with rubber pads. Box door 3 has been seted up to 2 antethecas of total box, and ultra-low temperature cooler 8 place the door towards box door 3, and box door 3 middle part position runs through and is provided with visual window 4.

The working principle is as follows: the method comprises the steps of putting a workpiece to be detected into an ultralow temperature cooler 8, rapidly cooling to make the workpiece become brittle, taking out the low-temperature workpiece, putting the low-temperature workpiece on a fixing table 10, rotating a first butterfly bolt 11 to enable the first butterfly bolt 11 to abut against the workpiece, clamping a connecting wire 20 into a wire clamping opening 5, rotating a second butterfly bolt 14 to abut against a connecting wire 20, starting a hydraulic cylinder 7 to enable the hydraulic cylinder 7 to apply tensile force to two sides of a sliding block 9, namely a casting workpiece 12, to enable the sliding block 9 to break, moving the sliding block 9 towards two sides to break the connecting wire 20 when the casting workpiece 12 breaks, alarming by a wire breaking alarm 17, recording the force for breaking the casting workpiece 12, and detecting the tensile and compressive stresses of the casting workpiece 12 according to the force.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a casting work piece tension and compression stress testing arrangement, includes base (1), its characterized in that: the center of the top of the base (1) is fixedly connected with a main box body (2), the inner side wall of the main box body (2) is fixedly connected with an isolation plate (16), a sliding opening (15) which is arranged in a penetrating way is arranged at the center of the upper surface of the isolation plate (16), the upper surface of the isolation plate (16) is fixedly connected with an ultra-low temperature cooler (8) at any side of the sliding opening (15), the position of the isolation plate (16) at the sliding opening (15) is connected with two symmetrically arranged fixed rods (13) in a sliding manner, one side of each fixed rod (13) at the middle part of the sliding opening (15) is fixedly connected with two symmetrically arranged fixed tables (10), the top parts of the two fixed tables (10) are connected with first butterfly bolts (11) in a penetrating and threaded manner, a casting workpiece (12) is placed between the two fixed tables (10), the casting workpiece (12) is tightly pressed by the bottom end of the first butterfly bolt (11).

2. The cast workpiece tensile and compressive stress testing device according to claim 1, wherein: the base (1) upper surface is located pneumatic cylinder (7) that total box (2) both sides position fixedly connected with two symmetries set up, two pneumatic cylinder (7) flexible end all towards total box (2), two pneumatic cylinder (7) flexible end equal fixedly connected with pull rod (6), pneumatic cylinder (7) one end is kept away from in pull rod (6) runs through total box (2) lateral wall.

3. The cast workpiece tensile and compressive stress testing device according to claim 2, wherein: the part that pull rod (6) are located total box (2) is located division board (16) below, it is provided with slider (9) that two symmetries set up to lie in division board (16) below position in total box (2), one end and slider (9) side fixed connection that pull rod (6) are located total box (2).

4. The cast workpiece tensile and compressive stress testing device according to claim 3, wherein: two slider (9) bottom fixedly connected with stopper (18), bottom wall middle part fixedly connected with slide rail (21) in total box (2), stopper (18) and slide rail (21) sliding connection.

5. The cast workpiece tensile and compressive stress testing device according to claim 3, wherein: the bottom of the fixed rod (13) is fixedly connected with the tops of the sliding blocks (9), and the bottoms of the two sliding blocks (9) are fixedly connected with a connecting wire fixer (19) at one side of the middle part of the sliding opening (15).

6. The cast workpiece tensile and compressive stress testing device according to claim 5, wherein: the connecting wire fixer (19) is provided with a wire clamping port (5) at a position close to the rear side wall, and the bottom of the connecting wire fixer (19) is in threaded connection with a second butterfly bolt (14).

7. The cast workpiece tensile and compressive stress testing device according to claim 1, wherein: any side of the bottom wall in the main box body (2) is fixedly connected with a broken line alarm (17), the broken line alarm (17) is provided with a connecting line (20), and the connecting line (20) is clamped with the line clamping port (5) and is positioned in the middle of the two connecting line fixing devices (19) to be tightened.

8. The cast workpiece tensile and compressive stress testing device according to claim 1, wherein: and one ends of the first butterfly bolt (11) and the second butterfly bolt (14) far away from the butterfly block are both rotatably connected with rubber pads.

9. The cast workpiece tensile and compressive stress testing device according to claim 1, wherein: box door (3) have been seted up to total box (2) antetheca, the door of placing of ultra-low temperature cooler (8) is towards box door (3), box door (3) middle part position is run through and is provided with visual window (4).