Automatic anti-falling device

Abstract

The utility model relates to an automatic anti-falling device, which belongs to the field of semiconductor production equipment and comprises a fixed frame, a movable plate is arranged on one side of the fixed frame, an air cylinder is connected onto the fixed frame, a piston end of the air cylinder is fixedly connected with the movable plate, and the movable plate is controlled by the air cylinder to move towards or away from the fixed frame. A first spring is arranged between the movable plate and the fixed frame, the two ends of the first spring are connected with the fixed frame and the movable plate respectively, the first spring is in a stretched state, a movable rod is movably arranged on the fixed frame in a penetrating mode, the movable rod is parallel to the moving direction of the movable plate, and one end of the movable rod is fixedly arranged on the movable plate. When an air source connected with the sealing cutter breaks down, the moving rod moves through the elastic acting force of the first spring, so that the supporting plate supports the sealing cutter, the sealing cutter is prevented from continuously descending to the position of a product to damage the product, and the anti-falling effect of the sealing cutter is achieved.

Description

Technical Field

[0001] This utility model relates to an automatic anti-fall device, belonging to the field of semiconductor manufacturing equipment. Background Technology

[0002] A semiconductor is a material whose conductivity at room temperature falls between that of a conductor and an insulator. Semiconductors have wide applications in radios, televisions, and temperature measurement. For example, diodes are devices made using semiconductors. A semiconductor is a material whose conductivity can be controlled, ranging from that of an insulator to a conductor.

[0003] In the semiconductor manufacturing process, thermal packaging is commonly used, which involves packaging semiconductor components using a heated sealing blade. The sealing blade is mostly controlled by a cylinder, and its temperature is around 200°C. If there is an abnormal shutdown of the power equipment, a gas supply failure, or damage to the gas valve or gas connector, the cylinder will fall freely without a gas supply. The sealing blade will then be in contact with the product for an extended period of time, causing the product to be burned or damaged, resulting in losses and wasting raw materials and employee time.

[0004] Therefore, an automatic anti-fall device is needed to prevent the sealing blade from falling and damaging the product during equipment malfunctions. Utility Model Content

[0005] The technical problem to be solved by this utility model is: in order to overcome the shortcomings of the prior art, to provide an automatic anti-fall device to prevent the sealing knife from falling and damaging the product during equipment failure.

[0006] The technical solution adopted by this utility model to solve the above problems is as follows: an automatic anti-fall device, including a fixed frame, a movable plate provided on one side of the fixed frame, a cylinder connected to the fixed frame, the piston end of the cylinder being fixedly connected to the movable plate, the movable plate being moved towards or away from the fixed frame controlled by the cylinder, a first spring being provided between the movable plate and the fixed frame, the two ends of the first spring being connected to the fixed frame and the movable plate respectively, the first spring being in a stretched state, a movable rod being movably passed through the fixed frame, the movable rod being parallel to the moving direction of the movable plate, and one end of the movable rod being fixedly mounted on the movable plate.

[0007] Preferably, the end of the movable rod away from the movable plate is connected to a support plate, the support plate is located above the movable rod, a lifting rod is provided on the support plate, the lifting rod passes vertically through the movable rod, the top end of the lifting rod is fixedly mounted on the support plate, a second spring is sleeved on the lifting rod, the second spring is located between the support plate and the movable rod, and the two ends of the second spring are respectively connected to the support plate and the movable rod.

[0008] Preferably, multiple lifting rods are provided, and the multiple lifting rods are arranged side by side.

[0009] Preferably, a limit block is fixedly provided at the bottom of the lifting rod, and the limit block abuts against the moving rod.

[0010] Preferably, the movable rod includes a connecting section and a telescopic section. One end of the connecting section is fixedly mounted on the movable plate, and the telescopic section is movably sleeved on the other end of the connecting section. The connecting section and the telescopic section are locked together by a first locking member, and the lifting rod passes through the telescopic section.

[0011] Preferably, the first locking element is a first screw.

[0012] Preferably, a connecting block is fixedly provided on the piston end of the cylinder, and a strip groove is provided on the connecting block. The strip groove is parallel to the moving rod. A slider is fixedly provided on the moving plate. The slider is located in the strip groove and matches the strip groove. The slider is locked to the connecting block by a second locking member.

[0013] Preferably, the groove is a dovetail groove.

[0014] Preferably, the slider and the movable plate are integrally formed.

[0015] Preferably, the second locking element is a second screw, and the connecting block is provided with an oblong hole, through which the second screw passes and is connected to the slider screw.

[0016] Compared with the prior art, the advantages of this utility model are:

[0017] This utility model discloses an automatic anti-fall device. When the air source connected to the sealing knife malfunctions, the elastic force of the first spring moves the moving rod, thereby supporting the sealing knife with a support plate and preventing the sealing knife from falling further to the product position and damaging the product, thus achieving the effect of preventing the sealing knife from falling. Secondly, the movement of the telescopic section on the connecting section ensures that the support plate can support the sealing knife. In addition, the position of the slider on the connecting block can adjust the extension length of the first spring, thereby adjusting the moving speed of the moving rod and further ensuring that the support plate can support the sealing knife. Attached Figure Description

[0018] Figure 1 This is a perspective view of an automatic anti-fall device according to the present invention;

[0019] Figure 2 This is a front view of an automatic anti-fall device according to the present invention;

[0020] Figure 3 This is a left view of an automatic anti-fall device according to the present invention;

[0021] Figure 4 This is a top view of an automatic anti-fall device according to the present invention;

[0022] Figure 5 for Figure 2 Enlarged view of part A;

[0023] Figure 6 This is a schematic diagram of the connecting block structure;

[0024] Figure 7 This is a schematic diagram of the connection structure between the moving plate and the slider.

[0025] in:

[0026] 1. Fixed frame, 2. Moving plate, 3. Cylinder, 4. First spring, 5. Moving rod, 6. Support plate, 7. Lifting rod, 8. Limiting block, 9. Second spring, 10. Connecting block, 11. Strip groove, 12. Slider, 13. Second screw, 14. Oval hole;

[0027] Connecting section 501, telescopic section 502, first screw 503. Detailed Implementation

[0028] like Figure 1-7 As shown, an automatic anti-fall device in this embodiment includes a fixed frame 1, a movable plate 2 is provided on one side of the fixed frame 1, a cylinder 3 is connected to the fixed frame 1, the piston end of the cylinder 3 is fixedly connected to the movable plate 2, and the movable plate 2 is moved towards or away from the fixed frame 1 by the cylinder 3. A first spring 4 is provided between the movable plate 2 and the fixed frame 1, and the two ends of the first spring 4 are respectively connected to the fixed frame 1 and the movable plate 2. The first spring 4 is in a stretched state. A movable rod 5 is movably passed through the fixed frame 1. The movable rod 5 is parallel to the moving direction of the movable plate 2, and one end of the movable rod 5 is fixedly provided on the movable plate 2.

[0029] During use, cylinder 3 is connected to an air source, which is also connected to the sealing knife. During normal operation of the sealing knife, the piston end of cylinder 3 is in the extended state, and the first spring 4 is in the stretched state. When the air source malfunctions, the sealing knife falls. At this time, the elastic force of the first spring 4 drives the moving plate 2 to move closer to the fixed frame 1, and causes the piston end of cylinder 3 to retract. The movement of the moving plate 2 drives the moving rod 5 to move synchronously. According to calculation, during the falling process of the sealing knife, it abuts against the top of the moving rod 5 after the movement is completed. In this way, the moving rod 5 plays the role of supporting the sealing knife and preventing the sealing knife from falling further to the product position and damaging the product. This plays the role of preventing the sealing knife from falling.

[0030] After the fault is repaired, cylinder 3 pushes the moving plate 2 to move away from the fixed frame 1 and resets it. The reset of the moving plate 2 drives the moving rod 5 to reset and stretches the first spring 4.

[0031] The end of the movable rod 5 furthest from the movable plate 2 is connected to a support plate 6. The support plate 6 is located above the movable rod 5. Multiple lifting rods 7 are provided on the support plate 6, specifically two in total, arranged side-by-side. Each lifting rod 7 vertically passes through the movable rod 5. The top of each lifting rod 7 is fixedly mounted on the support plate 6, and a limit block 8 is fixedly mounted on the bottom of each lifting rod 7. The limit block 8 abuts against the movable rod 5. A second spring 9 is sleeved on the lifting rod 7. Between the support plate 6 and the moving rod 5, the two ends of the second spring 9 are connected to the support plate 6 and the moving rod 5 respectively. When the moving rod 5 supports the sealing knife, the sealing knife abuts against the top of the support plate 6. At this time, the second spring 9 deforms, and the distance between the support plate 6 and the moving rod 5 decreases. Through the elastic action of the second spring 9, buffering is achieved, which protects the sealing knife and the moving rod 5. When the sealing knife separates from the support plate 6, the elastic action of the second spring 9 causes the support plate 6 to rise and reset, and the limiting block 8 abuts against the moving rod 5.

[0032] The movable rod 5 includes a connecting section 501 and a telescopic section 502. One end of the connecting section 501 is fixedly mounted on the movable plate 2, and the telescopic section 502 is movably sleeved on the other end of the connecting section 501. The connecting section 501 and the telescopic section 502 are locked together by a first locking element, which is a first screw 503. The lifting rod 7 passes through the telescopic section 502.

[0033] After loosening the first screw 503, the telescopic section 502 can move along its own length on the connecting section 501 to ensure that the support plate 6 can support the sealing knife. After the telescopic section 502 has moved, tighten the first screw 503.

[0034] A connecting block 10 is fixedly installed on the piston end of the cylinder 3. A strip groove 11 is provided on the connecting block 10. The strip groove 11 is a dovetail groove and is parallel to the moving rod 5. A slider 12 is fixedly installed on the moving plate 2. The slider 12 and the moving plate 2 are integrally formed. The slider 12 is located in the strip groove 11 and matches the strip groove 11. The slider 12 is locked to the connecting block 10 by a second locking member, which is a second screw 13.

[0035] The connecting block 10 is provided with an oblong hole 14, the second screw 13 passes through the oblong hole 14, and the second screw 13 is screwed to the slider 12.

[0036] When it is necessary to adjust the extension length of the first spring 4, first loosen the second screw 13, so that the slider 12 moves in the strip groove 11 and drives the second screw 13 to move synchronously in the oval hole 14. After the slider 12 has moved, tighten the second screw 13. In this way, the distance between the moving plate 2 and the fixed frame 1 changes, thereby adjusting the extension length of the first spring 4. Here, by adjusting the extension length of the first spring 4, the speed at which the moving plate 2 moves toward the fixed frame 1 can be adjusted, thereby further ensuring that the support plate 6 can support the sealing knife.

[0037] In summary, when the air source connected to the sealing knife malfunctions, the elastic force of the first spring 4 causes the moving rod 5 to move, thereby supporting the sealing knife with the support plate 6. This prevents the sealing knife from falling further to the product position and damaging the product, thus achieving the effect of preventing the sealing knife from falling. Secondly, the movement of the telescopic section 502 on the connecting section 501 ensures that the support plate 6 can support the sealing knife. In addition, the position of the slider 12 on the connecting block 10 can be adjusted to adjust the extension length of the first spring 4, thereby adjusting the moving speed of the moving rod 5, further ensuring that the support plate 6 can support the sealing knife.

[0038] In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.

Claims

1. An automatic anti-fall device, comprising a fixing frame (1), characterized in that: A movable plate (2) is provided on one side of the fixed frame (1). A cylinder (3) is connected to the fixed frame (1). The piston end of the cylinder (3) is fixedly connected to the movable plate (2). The cylinder (3) controls the movable plate (2) to move closer to or further away from the fixed frame (1). A first spring (4) is provided between the movable plate (2) and the fixed frame (1). The two ends of the first spring (4) are respectively connected to the fixed frame (1) and the movable plate (2). The first spring (4) is in a stretched state. A movable rod (5) is movably passed through the fixed frame (1). The movable rod (5) is parallel to the moving direction of the movable plate (2). One end of the movable rod (5) is fixedly set on the movable plate (2).

2. The automatic anti-fall device according to claim 1, characterized in that: The end of the moving rod (5) away from the moving plate (2) is connected to a support plate (6). The support plate (6) is located above the moving rod (5). A lifting rod (7) is provided on the support plate (6). The lifting rod (7) passes vertically through the moving rod (5). The top end of the lifting rod (7) is fixedly set on the support plate (6). A second spring (9) is sleeved on the lifting rod (7). The second spring (9) is located between the support plate (6) and the moving rod (5). The two ends of the second spring (9) are respectively connected to the support plate (6) and the moving rod (5).

3. An automatic anti-fall device according to claim 2, characterized in that: Multiple lifting rods (7) are provided, and multiple lifting rods (7) are arranged side by side.

4. An automatic anti-fall device according to claim 2, characterized in that: A limiting block (8) is fixedly installed at the bottom of the lifting rod (7), and the limiting block (8) abuts against the moving rod (5).

5. An automatic anti-fall device according to claim 2, characterized in that: The movable rod (5) includes a connecting section (501) and a telescopic section (502). One end of the connecting section (501) is fixedly mounted on the movable plate (2), and the telescopic section (502) is movably sleeved on the other end of the connecting section (501). The connecting section (501) and the telescopic section (502) are locked together by a first locking member. The lifting rod (7) passes through the telescopic section (502).

6. An automatic anti-fall device according to claim 5, characterized in that: The first locking element is the first screw (503).

7. An automatic anti-fall device according to claim 1, characterized in that: A connecting block (10) is fixedly provided on the piston end of the cylinder (3). A strip groove (11) is provided on the connecting block (10). The strip groove (11) is parallel to the moving rod (5). A slider (12) is fixedly provided on the moving plate (2). The slider (12) is located in the strip groove (11). The slider (12) matches the strip groove (11). The slider (12) is locked to the connecting block (10) by a second locking member.

8. An automatic anti-fall device according to claim 7, characterized in that: The strip groove (11) is a dovetail groove.

9. An automatic anti-fall device according to claim 7, characterized in that: The slider (12) and the moving plate (2) are integrally formed.

10. An automatic anti-fall device according to claim 7, characterized in that: The second locking component is a second screw (13). The connecting block (10) is provided with an oblong hole (14). The second screw (13) passes through the oblong hole (14) and is screwed to the slider (12).

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