Pressure casting airtightness detection equipment

Abstract

The utility model discloses die casting airtightness detection equipment, which comprises a detection table, a detection assembly for detection is arranged at the top end of the detection table, and the detection assembly comprises a pressing bottom plate fixedly mounted at the top end of the detection table and a pressing top plate arranged right above the pressing bottom plate; according to the utility model, the lower air outlet pipe at one end of the cylinder drives the output shaft to work, the pressing top block is close to the pressing bottom block and performs pressing, the sealing performance during pressing can be increased through the sealing empty groove and the sealing insertion block, and the detection accuracy is increased; afterwards, air inflation is performed through an upper air outlet pipe at one end of an air cylinder and multiple sets of air inflation openings in one end of a pressing bottom plate, air is inflated through a detection air hole for detection, pressing detection can be performed on the die casting through a detection assembly, tiny leakage on the surface and in the die casting can be found, meanwhile, the durability of the die casting in actual use is ensured, and the service life of the die casting is prolonged. And the problem of air leakage under the working condition is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting air tightness detection equipment, in particular to die casting air tightness detection equipment. Background Art

[0002] Die castings are metal components produced through the die-casting process, a manufacturing method in which molten metal is injected into a mold under high pressure and then cooled and solidified to form the final part. Commonly used die-cast metals include aluminum, zinc, and magnesium alloys. This process can produce metal parts with precise dimensions, smooth surfaces, and complex shapes.

[0003] Die castings usually have high mechanical strength and durability and are suitable for applications that withstand high loads. During the processing of die castings, inclusions (such as sand particles, oxides, etc.) may exist inside the die castings. These inclusions may affect the sealing performance of the die castings and cause air leakage in subsequent use of the die castings. Utility Model Content

[0004] The purpose of the utility model is to provide a die-casting airtightness detection device to solve the problem that die-castings usually have high mechanical strength and durability and are suitable for applications with high loads. When die-castings are processed, inclusions (such as sand particles, oxides, etc.) may exist inside the die-castings. These inclusions may affect the sealing performance of the die-castings, causing the die-castings to leak in subsequent use.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die-casting air tightness detection device, comprising a detection platform, a detection component for detection is arranged on the top of the detection platform, the detection component comprises a pressing bottom plate fixedly mounted on the top of the detection platform, a pressing top plate arranged just above the pressing bottom plate, and a mounting rod symmetrically fixedly mounted on the middle of the pressing bottom plate and the pressing top plate, a pressing bottom block for pressing the die-casting is evenly fixed on the top of the pressing bottom plate, and a pressing bottom plate is evenly arranged on the bottom end of the pressing top plate. There is a pressing top block for pressing, a cylinder is evenly fixedly installed on the top of the pressing top plate, and the output shaft of the cylinder passes through the pressing top plate and is fixedly installed with the pressing top block, one end of the cylinder is provided with a lower air outlet pipe for driving the pressing top block to lift, one end of the pressing bottom plate is evenly provided with an inflation port for inflation, the top of the pressing bottom block is provided with a accommodating groove for accommodating the die-casting, and the bottom end of the accommodating groove is provided with a detection air hole for air intake, and one end of the cylinder is provided with an upper air outlet pipe connected to the inflation port.

[0006] As a further solution of the present invention: a sealing groove is provided on the top of the compression bottom block to increase the compression sealing performance, and a sealing plug-in block adapted to the sealing groove is fixed on the bottom end of the compression top block.

[0007] As a further solution of the present invention: the top of the clamping bottom plate is symmetrically provided with an empty groove for accommodating the clamping bottom block, the inside of the empty groove is provided with a plug-in groove for fixing the clamping bottom block, and one end of the clamping bottom block is fixed with a plug-in block for plugging and fixing with the plug-in groove, one end of the clamping bottom block is provided with a clamping groove for clamping and fixing, and the inside of the empty groove is slidably connected with a clamping block.

[0008] As a further solution of the present invention: sliding grooves are evenly opened on the top of the pressing base plate, and a toggle block penetrating the sliding grooves is fixedly installed on the top of the clamping block.

[0009] As a further solution of the present invention: one end of the clamping base plate is slidably connected to a connecting rod that slides with multiple groups of clamping blocks, and a return spring fixedly installed with the clamping blocks is symmetrically fixed inside the connecting rod.

[0010] As a further solution of the present invention: one end of the connecting rod is rotatably connected to a limit block for limiting the position of the pressing base plate, and the limit block is symmetrically rotatably connected to both ends of the connecting rod.

[0011] As a further solution of the present invention: support rods are evenly fixedly installed on the bottom end of the detection platform for support.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model selects a suitable clamping bottom block according to the shape of the die-casting when conducting air-tightness testing on the die-casting, and then first inserts the plug-in block at one end of the clamping bottom block into the plug-in slot inside the empty slot, and then presses one end of the clamping bottom block to contact and squeeze the clamping block, and the clamping block is compressed inside the connecting rod by a return spring, and when the clamping slot and the clamping block are at the same horizontal plane, the clamping block is automatically bounced into the clamping slot by the return spring to complete the rapid fixation. When a single clamping bottom block needs to be replaced, it is only necessary to pull the toggle block to pull the clamping block out of the clamping slot for rapid replacement. When multiple clamping bottom blocks need to be replaced, it is only necessary to remove the limit block and then pull the connecting rod, so that multiple groups of clamping bottom blocks can be quickly replaced. The empty slot, the clamping block, the connecting rod and the clamping slot can be quickly replaced according to the die-castings of different shapes, thereby increasing the flexibility of air-tightness testing of the die-castings.

[0014] 2. When the compression bottom block is installed, the output shaft is driven to work through the lower air outlet pipe at one end of the cylinder. At this time, the compression top block approaches the compression bottom block and compresses it, and the sealing groove and the sealing plug-in block can increase the sealing during compression, thereby increasing the accuracy of detection. Afterwards, air is inflated through the upper air outlet pipe at one end of the cylinder and the multiple sets of inflation ports at one end of the compression bottom plate, and air is filled in through the detection holes for detection. The detection component can be used to perform compression detection on the die-casting, and tiny leaks on the surface and inside of the die-casting can be found. At the same time, the durability of the die-casting in actual use is ensured, and air leakage problems under working conditions are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom structure of the compression top plate of the utility model;

[0017] Figure 3 This utility model Figure 1 Schematic diagram of the local enlarged structure at A in the middle;

[0018] Figure 4 This is a schematic diagram of the top surface structure of the compression top plate of the utility model;

[0019] Figure 5 This is a schematic cross-sectional view of the connecting rod and the clamping block of the utility model;

[0020] Figure 6 It is a schematic diagram of the expanded structure of the compacting bottom block and the compacting bottom plate of the utility model.

[0021] In the figure: 1. Testing table; 2. Support rod; 3. Testing assembly; 31. Pressing bottom plate; 32. Pressing top plate; 33. Mounting rod; 34. Cylinder; 35. Upper air outlet pipe; 36. Lower air outlet pipe; 37. Inflating port; 38. Pressing top block; 39. Sealing plug-in block; 310. Pressing bottom block; 311. Accommodating groove; 312. Sealing empty groove; 313. Testing air hole; 4. Empty groove; 5. Plug-in groove; 6. Plug-in block; 7. Clamping block; 8. Connecting rod; 9. Reset spring; 10. Sliding groove; 11. Toggle block; 12. Clamping groove; 13. Limit block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or connected in an integral manner; they can be mechanically connected or electrically connected; they can be directly connected, indirectly connected through an intermediate medium, or they can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The following describes the embodiments of the present invention based on its overall structure.

[0024] Reference Figures 1 to 6 In the embodiment of the present invention, the die casting air tightness detection equipment includes a detection platform 1, and a detection component 3 for detection is set on the top of the detection platform 1. The detection component 3 includes a pressing bottom plate 31 fixedly installed on the top of the detection platform 1, a pressing top plate 32 set just above the pressing bottom plate 31, and a mounting rod 33 symmetrically fixedly installed in the middle of the pressing bottom plate 31 and the pressing top plate 32. The top of the pressing bottom plate 31 is evenly fixedly installed with a pressing bottom block 310 for pressing the die casting, and the bottom of the pressing top plate 32 is evenly provided with a pressing top block 38 for pressing. A cylinder 34 is evenly fixed on the top of the pressing top plate 32, and the output shaft of the cylinder 34 passes through the pressing top plate 32 and is fixed to the pressing top block 38. One end of the cylinder 34 is provided with a lower air outlet pipe 36 for driving the pressing top block 38 to rise and fall, and one end of the pressing bottom plate 31 is evenly provided with an inflation port 37 for inflation. A accommodating groove 311 for accommodating the die-casting is provided at the top of the pressing bottom block 310, and a detection air hole 313 for air intake is provided at the bottom end of the accommodating groove 311. One end of the cylinder 34 is provided with an upper air outlet pipe 35 connected to the inflation port 37.

[0025] Reference Figures 1 to 6 A sealing groove 312 is provided at the top of the compression bottom block 310 to increase the compression sealing performance, and a sealing plug 39 is fixed at the bottom end of the compression top block 38 to match the sealing groove 312.

[0026] Reference Figures 1 to 6The top of the pressing base plate 31 is symmetrically provided with an empty groove 4 for accommodating the pressing base block 310, and the empty groove 4 is provided with a plug-in groove 5 fixedly installed with the pressing base block 310, and one end of the pressing base block 310 is fixedly provided with a plug-in block 6 plugged and fixed with the plug-in groove 5, one end of the pressing base block 310 is provided with a card slot 12 for fixed connection, and the empty groove 4 is slidably connected with a card block 7, the top of the pressing base plate 31 is evenly provided with a sliding groove 10, and the top of the card block 7 is fixedly installed with a toggle block 11 that passes through the sliding groove 10, one end of the pressing base plate 31 is slidably connected with a connecting rod 8 that limits sliding with multiple groups of card blocks 7, and the inside of the connecting rod 8 is symmetrically fixed with a return spring 9 fixed with the card block 7, one end of the connecting rod 8 is rotatably connected to a limit block 13 that limits the pressing base plate 31, and the limit block 13 is symmetrically rotatably connected to both ends of the connecting rod 8.

[0027] Reference Figures 1 to 6 The bottom end of the testing platform 1 is evenly fixed with a supporting rod 2 for support.

[0028] When the clamping block 310 is in the state of being pressed, the clamping block 7 is pressed and squeezed, and the clamping block 7 is pressed and squeezed into the connecting rod 8 by the return spring 9. When the clamping slot 12 and the clamping block 7 are in the same horizontal plane, the clamping block 7 is automatically rebound into the clamping slot 12 by the return spring 9 to complete the rapid fixation. When a single clamping block 310 needs to be replaced, it is only necessary to pull the toggle block 11 to pull the clamping block 7 out of the clamping slot 12 for rapid replacement. When multiple clamping blocks 310 need to be replaced, it is only necessary to remove the limit block 13 and then pull the connecting rod 8. Multiple groups of clamping blocks 310 can be quickly replaced. The groove 4, the connecting block 7, the connecting rod 8 and the card slot 12 can be quickly replaced according to the die-castings of different shapes, which increases the flexibility of the air tightness detection of the die-castings. When the compression bottom block 310 is installed, the output shaft is driven to work by the lower air outlet pipe 36 at one end of the cylinder 34. At this time, the compression top block 38 approaches the compression bottom block 310 and compresses it, and the sealing groove 312 and the sealing plug block 39 can increase the sealing during compression, thereby increasing the accuracy of the detection. Afterwards, the air is inflated through the upper air outlet pipe 35 at one end of the cylinder 34 and the multiple groups of inflation ports 37 at one end of the compression bottom plate 31, and the air is filled in through the detection hole 313 for detection. The die-casting can be compressed and detected through the detection component 3, and small leaks on the surface and inside of the die-casting can be found. At the same time, the durability of the die-casting in actual use is ensured, and air leakage problems under working conditions are avoided.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Die casting air tightness testing equipment, characterized in that, The invention comprises a detection platform (1), wherein a detection component (3) for detection is arranged at the top of the detection platform (1), and the detection component (3) comprises a pressing bottom plate (31) fixedly mounted on the top of the detection platform (1), a pressing top plate (32) arranged just above the pressing bottom plate (31), and a mounting rod (33) symmetrically fixedly mounted in the middle of the pressing bottom plate (31) and the pressing top plate (32), wherein a pressing bottom block (310) for pressing the die casting is evenly fixedly mounted on the top of the pressing bottom plate (31), and a pressing top block (38) for pressing is evenly arranged at the bottom end of the pressing top plate (32), and the top of the pressing top plate (32) is evenly fixedly mounted. A cylinder (34) is fixedly installed, and the output shaft of the cylinder (34) passes through the pressing top plate (32) and is fixedly installed with the pressing top block (38). One end of the cylinder (34) is provided with a lower air outlet pipe (36) for driving the pressing top block (38) to move up and down. One end of the pressing bottom plate (31) is evenly provided with an inflation port (37) for inflation. The top of the pressing bottom block (310) is provided with a receiving groove (311) for accommodating the die casting, and the bottom end of the receiving groove (311) is provided with a detection air hole (313) for air intake. One end of the cylinder (34) is provided with an upper air outlet pipe (35) connected to the inflation port (37).

2. The die casting air tightness detection equipment according to claim 1, characterized in that: The top end of the compression bottom block (310) is provided with a sealing groove (312) for increasing the compression sealing performance, and the bottom end of the compression top block (38) is fixed with a sealing plug (39) that matches the sealing groove (312).

3. The die casting air tightness detection equipment according to claim 1, characterized in that: The top of the clamping bottom plate (31) is symmetrically provided with an empty slot (4) for accommodating the clamping bottom block (310); a plug-in slot (5) fixedly mounted to the clamping bottom block (310) is provided inside the empty slot (4); a plug-in block (6) plugged and fixed to the plug-in slot (5) is fixedly provided at one end of the clamping bottom block (310); a clamping slot (12) for clamping and fixing is provided at one end of the clamping bottom block (310); and a clamping block (7) is slidably connected inside the empty slot (4).

4. The die casting air tightness detection equipment according to claim 1, characterized in that: The top of the pressing base plate (31) is evenly provided with sliding grooves (10), and the top of the clamping block (7) is fixedly provided with a toggle block (11) that passes through the sliding grooves (10).

5. The die casting air tightness detection equipment according to claim 1, characterized in that: One end of the pressing base plate (31) is slidably connected to a connecting rod (8) that is limitedly slidable with multiple groups of clamping blocks (7), and a return spring (9) that is fixedly installed with the clamping blocks (7) is symmetrically fixed inside the connecting rod (8).

6. The die casting air tightness detection equipment according to claim 5, characterized in that: One end of the connecting rod (8) is rotatably connected to a limiting block (13) for limiting the position of the pressing base plate (31), and the limiting block (13) is symmetrically rotatably connected to both ends of the connecting rod (8).

7. The die casting air tightness detection equipment according to claim 1, characterized in that: Support rods (2) are evenly and fixedly mounted on the bottom end of the detection platform (1) for support.

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