A tilt silo deviation rectification structure

Abstract

The application relates to the technical field of silo feeding, and discloses an inclined silo deviation rectifying structure which comprises a mounting platform, a lifting platform, a supporting platform and a clamping seat, wherein the mounting platform is horizontally fixedly installed at a predetermined position; the lifting platform is horizontally located above the mounting platform and moves in the vertical direction through a lifting driving unit; the supporting platform is arranged above the lifting platform, one side of the supporting platform is rotationally matched with the lifting platform through a rotating shaft, and the supporting platform rotates around the rotating shaft through a rotating driving unit; and the clamping seat is arranged at the top of the supporting platform, and a clamping area for placing the silo is arranged on the clamping seat. The application has the effect of improving the neatness of silo feeding.

Description

Technical Field

[0001] This application relates to the field of silo feeding technology, and in particular to a tilting silo correction structure. Background Technology

[0002] A silo is a container used to centrally store silicon wafers. Its design purpose is to enable the batch handling and transportation of silicon wafers, thereby improving production efficiency.

[0003] A loading / unloading port is provided on one side of the hopper for easy operation. When placing silicon wafers, first place the wafers flat on the special tray, and then place the entire tray into the hopper.

[0004] However, in actual operation, after the tray enters the material box, the silicon wafers often become misaligned due to the lack of positioning constraints, resulting in unevenness between wafers and affecting the cycle time of subsequent processes and the accuracy of automated wafer picking. Utility Model Content

[0005] To facilitate the neatness of material loading into the silo, this application provides an inclined silo correction structure.

[0006] The tilting silo correction structure provided in this application adopts the following technical solution: A tilting silo correction structure includes an installation platform, a lifting platform, a support platform, and a clamping base, wherein: The installation platform is horizontally and fixedly installed at the predetermined position; The lifting platform is horizontally located above the installation platform and moves vertically via a lifting drive unit; The support platform is located above the lifting platform, and one side of the support platform is rotatably connected to the lifting platform via a rotating shaft. The support platform rotates around the rotating shaft via a rotary drive unit. The clamping seat is located on the top of the support platform, and the clamping seat has a clamping area for placing the hopper.

[0007] Optionally, the rotary drive unit is a rotary drive telescopic rod, one end of which is rotatably hinged to the lifting platform, and the rotary drive telescopic rod is rotatably hinged to the support platform.

[0008] Optionally, the lifting platform is provided with a placement opening for placing a rotary drive telescopic rod. The inner wall of the placement opening is provided with a pair of mounting plates. The rotary drive telescopic rod is located between the pair of mounting plates and is rotatably hinged to the adjacent mounting plate.

[0009] Optionally, a base is provided between the support platform and the lifting platform. The base is located on the support platform away from the pivot, and the top of the base is in contact with the bottom of the support platform.

[0010] Optionally, the bottom of the lifting platform is provided with multiple guide rods, which pass through the installation platform and slide in the vertical direction with the installation platform.

[0011] Optionally, the clamping base includes a lateral clamping unit and a longitudinal clamping unit, wherein: The lateral clamping unit is provided in pairs, and the pair of lateral clamping units are located on the support platform and move closer or further apart from each other through the lateral driving unit.

[0012] Optionally, the lateral drive unit includes a slide rail, a slider, a guide wheel, a belt, and a motor, wherein: The slide rail is located on the top of the support platform. There is a pair of sliders, and the pair of sliders are slidably disposed on the slide rail. The sliders and the transverse clamping units correspond one-to-one and are fixedly connected to the corresponding transverse clamping units. The guide wheels are provided in pairs; The belt connects to a pair of guide wheels and is divided into a pair of connecting sections by the pair of guide wheels. The slider and the connecting section correspond one-to-one and are fixedly connected to the opposite connecting section. The motor is mounted on the support platform and is connected to the belt drive.

[0013] Optionally, the longitudinal clamping unit includes a mounting rod and a limiting rod, wherein: The mounting rod is mounted on the support platform; The limiting rod is provided with multiple connecting holes, and connecting bolts that connect to the mounting rod are provided at the connecting holes.

[0014] In summary, this application includes at least one of the following beneficial technical effects: 1. Multiple guide rods at the bottom of the lifting platform form a through sliding fit with the installation platform, so that the lifting platform can only move in the vertical direction when driven by the lifting cylinder, eliminating horizontal offset and torsion, ensuring that the hopper obtains high-precision repeatable positioning during the lifting stage, and laying a consistent benchmark for subsequent tilt correction and automated picking and placing of pieces. 2. The rotary drive telescopic rod uses the mounting plate hinged to the lifting platform as a fulcrum to directly push and pull the support platform to rotate around the pivot. Combined with the small initial tilt angle preset by the base, it avoids the "dead point" at the moment of start-up, significantly reducing the required static torque, making the tilting action response faster and the operation smoother. At the same time, it reduces the load on the telescopic rod and air source, and extends the service life of the mechanism. 3. The transverse clamping unit drives the two sliders to move towards each other synchronously via a motor, belt, and guide wheel. The longitudinal clamping unit combines an adjustable height limit rod with a fixed mounting rod to achieve rapid compatibility and four-point positioning for hoppers of different widths and heights. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0016] Figure 2 This is a schematic diagram illustrating the structure of the transverse drive unit in the embodiments of this application.

[0017] Figure 3 This is a schematic diagram illustrating the relative positions of the mounting rod and the limiting rod in an embodiment of this application.

[0018] Figure 4 This is a schematic diagram illustrating the relative positions of the limiting rod and the connecting hole in the application embodiment.

[0019] Explanation of reference numerals in the attached figures: 1. Installation platform; 2. Lifting platform; 21. Lifting drive unit; 22. Placement port; 23. Mounting plate; 24. Base; 25. Guide rod; 3. Support platform; 31. Rotation drive unit; 4. Clamping seat; 41. Lateral clamping unit; 411. Lateral drive unit; 412. Slide rail; 413. Slider; 414. Guide wheel; 415. Belt; 416. Motor; 42. Longitudinal clamping unit; 421. Mounting rod; 422. Limiting rod; 423. Connecting hole. Detailed Implementation

[0020] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0021] This application discloses an inclined silo correction structure.

[0022] An inclined hopper correction structure includes an installation platform 1, a lifting platform 2, a support platform 3, and a clamping seat 4. The installation platform 1 is horizontally fixed in a predetermined position. The lifting platform 2 is horizontally located above the installation platform 1 and moves vertically via a lifting drive unit 21. The support platform 3 is located above the lifting platform 2, and one side of the support platform 3 is rotatably engaged with the lifting platform 2 via a rotating shaft. The support platform 3 rotates around the rotating shaft via a rotation drive unit 31. The clamping seat 4 is located on top of the support platform 3 and has a clamping area for placing the hopper.

[0023] When it is necessary to correct the alignment of the silicon wafers in the hopper, the lifting drive unit 21 is first activated, which drives the lifting platform 2 and its upper support platform 3 and clamping seat 4 to move vertically up and down. This initially adjusts the height of the clamping seat 4, making it easier to place and position the hopper carrying the silicon wafers within the clamping area of ​​the clamping seat 4. After the hopper is in place, the rotation drive unit 31 is then activated, driving the support platform 3 to slowly rotate around its axis, thereby causing the clamping seat 4 fixed on its top and the hopper to change from a horizontal state to a preset, controllable tilted posture.

[0024] By actively tilting the hopper, gravity is used as the natural force for correction. When the hopper is tilted, silicon wafers that have become misaligned due to handling or vibration will automatically slide towards the lower inner wall of the hopper or a preset positioning reference surface under the influence of their own gravity along the tilt direction, eventually coming together tightly. This process effectively eliminates gaps and misalignments between silicon wafers, achieving automatic alignment and regularization of the wafers inside the hopper, significantly improving the overall neatness of the wafers, thus laying a solid and reliable positioning foundation for subsequent automated handling and precision processing.

[0025] Multiple guide rods 25 are vertically installed at the bottom of the lifting platform 2. These guide rods 25 extend downward and pass through the mounting platform 1 below, forming a vertical sliding engagement with the mounting platform 1. This ensures that the lifting platform 2 will not deviate or twist horizontally during the lifting process, thereby guaranteeing the linear accuracy and stability of the movement. The lifting drive unit 21 specifically adopts a lifting cylinder, whose cylinder body is fixed to the mounting platform 1, and the end of the piston rod is connected to the lifting platform 2. Through the extension and retraction of the cylinder, it provides precise and reliable vertical driving force to the lifting platform 2. Alternatively, a lead screw module drive can be used.

[0026] The rotary drive unit 31 employs a rotary drive telescopic rod, and a placement opening 22 for accommodating this telescopic rod is provided on the lifting platform 2. A pair of mounting plates 23 are fixed to both sides of the inner wall of the placement opening 22, and the rotary drive telescopic rod is located between these mounting plates 23. The end of its cylinder is pivotally connected to one of the mounting plates 23 via a pin. Simultaneously, the top of the piston rod of the telescopic rod is pivotally connected to the upper support platform 3.

[0027] When it is necessary to tilt the hopper, the rotary drive telescopic rod begins to move. Through the precise extension or retraction of its piston rod, and using its hinge point with the lifting platform 2 as a fulcrum, a pushing or pulling force is generated. This force acts directly on the hinged support platform 3. Since the other side of the support platform 3 is connected to the lifting platform 2 via a pivot, this force is converted into a driving torque, forcing the support platform 3, along with the hopper on it, to smoothly rotate around the pivot, thereby achieving the switching of the hopper from a horizontal to an inclined state.

[0028] A base 24 is provided between the support platform 3 and the lifting platform 2. The base 24 is arranged on the support platform 3 at the end away from the rotating shaft. Its top is in direct contact with the bottom of the support platform 3, so that the support platform 3 maintains a small, preset initial tilt angle in its natural state. This makes the rotary drive telescopic rod in a more advantageous mechanical position when it is started. The rotary drive telescopic rod is a cylinder.

[0029] When the support platform 3 needs to be tilted, the rotary drive telescopic rod does not need to start from the completely horizontal "dead point" position to overcome the maximum static friction. Instead, it can directly use this preset angle to apply the thrust or pull force more smoothly and efficiently, thereby driving the support platform 3 to rotate smoothly around the axis. This effectively reduces the starting torque required for rotary drive, making the initial stage of tilting action smoother and the response faster.

[0030] The clamping base 4 includes a transverse clamping unit 41 and a longitudinal clamping unit 42. A pair of transverse clamping units 41 are arranged opposite each other on the platform of the support platform 3. This pair of transverse clamping units 41 is connected to a transverse drive unit 411, which can perform synchronous movements of moving closer to each other or moving further away from each other under the drive of the drive unit.

[0031] Once the hopper is placed in the clamping area of ​​the support platform 3, the lateral drive unit 411 is activated, driving a pair of lateral clamping units 41 to move towards each other, clamping or positioning the hopper from both sides to prevent any slippage or shaking during subsequent lifting and tilting actions.

[0032] The transverse drive unit 411 includes a slide rail 412, sliders 413, guide wheels 414, a belt 415, and a motor 416. The slide rail 412 is located on the top of the support platform 3. A pair of sliders 413 are mounted on the slide rail 412 and can slide along it. Each slider 413 is fixedly connected to a transverse clamping unit 41. The guide wheels 414 are mounted on the support platform 3. There is a pair of guide wheels 414, and a closed-loop belt 415 is wrapped around them, dividing them into two parallel connecting sections. Each slider 413 is fixedly connected to one connecting section. The motor 416 is mounted on the support platform 3 and is directly connected to the drive guide wheel 414 or the belt 415 via its output shaft.

[0033] When the motor 416 receives the command, it starts to rotate, driving the belt 415 to circulate through the drive guide wheel 414. Since the two connecting sections of the belt 415 are parallel and move in opposite directions, when the belt 415 moves, the two sliders 413 fixed on it will be directly driven by the belt 415 and move synchronously and in opposite directions on the slide rail 412. That is, they will either move closer to each other to achieve clamping or move away from each other to release the hopper.

[0034] The longitudinal clamping unit 42 includes a mounting rod 421 and a limiting rod 422. The mounting rod 421 is fixedly mounted on the support platform 3, serving as the base 24 of the entire unit. The limiting rod 422 is assembled with the mounting rod 421 through a set of connecting holes 423. By using connecting bolts passing through the multiple pre-set connecting holes 423 on the limiting rod 422, it is securely connected to the mounting rod 421.

[0035] Mounting rod 421 provides physical obstruction for the hopper in the front-to-back direction, and limiting rod 422 provides physical obstruction in the height direction. When it is necessary to adapt to hoppers of different sizes, the operator can loosen the connecting bolts, move the limiting rod 422 along the mounting rod 421 to the target connecting hole 423, and then tighten it again to adapt to hoppers of different heights.

[0036] The implementation principle of the inclined hopper correction structure in this application embodiment is as follows: First, the lifting cylinder pushes the lifting platform 2 to rise vertically along the guide rod 25, and the support platform 3 installed above it, together with the clamping seat 4, is brought to a height suitable for manual or robotic loading. After the hopper is placed in the clamping area, the transverse drive unit 411 drives the transverse clamping unit 41 to move synchronously towards each other along the slide rail 412, clamping the hopper from the left and right sides. At the same time, the mounting rod 421 of the longitudinal clamping unit 42 and the adjustable limiting rod 422 limit the hopper from the front-back and height directions, completing the process. Full positioning; then the rotating drive telescopic rod uses the mounting plate 23, which is hinged to the lifting platform 2, as the fulcrum. The piston rod extends or retracts, directly pushing and pulling the support platform 3, making it rotate smoothly around the rotating shaft. The hopper then turns to the preset tilt posture. The silicon wafers inside, due to the vibration of the handling, slide down to the positioning reference surface of the lower side of the hopper under the action of gravity, automatically sticking and aligning, realizing correction. Throughout the process, the base 24 gives the support platform 3 a small initial tilt angle at the end away from the rotating shaft, helping the rotating drive telescopic rod avoid the "dead point", reducing the starting torque, and making the tilting action smoother.

[0037] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A tilting silo correction structure, characterized in that: Includes an installation platform, a lifting platform, a support platform, and a clamping base, wherein: The installation platform is horizontally and fixedly installed at the predetermined position; The lifting platform is horizontally located above the installation platform and moves vertically via a lifting drive unit; The support platform is located above the lifting platform, and one side of the support platform is rotatably connected to the lifting platform via a rotating shaft. The support platform rotates around the rotating shaft via a rotary drive unit. The clamping seat is located on the top of the support platform, and the clamping seat has a clamping area for placing the hopper.

2. The inclined silo correction structure according to claim 1, characterized in that: The rotary drive unit is a rotary drive telescopic rod, one end of which is rotatably hinged to the lifting platform, and the rotary drive telescopic rod is rotatably hinged to the support platform.

3. The inclined silo correction structure according to claim 2, characterized in that: The lifting platform is provided with a placement opening for placing a rotary drive telescopic rod. The inner wall of the placement opening is provided with a pair of mounting plates. The rotary drive telescopic rod is located between the pair of mounting plates and is rotatably hinged to the adjacent mounting plate.

4. The inclined silo correction structure according to claim 2, characterized in that: A base is provided between the support platform and the lifting platform. The base is located on the support platform away from the pivot, and the top of the base is in contact with the bottom of the support platform.

5. The inclined silo correction structure according to claim 1, characterized in that: The bottom of the lifting platform is vertically provided with multiple guide rods, which pass through the installation platform and slide in cooperation with the installation platform in the vertical direction.

6. The inclined silo correction structure according to claim 1, characterized in that: The clamping base includes a lateral clamping unit and a longitudinal clamping unit, wherein: The lateral clamping unit is provided in pairs, and the pair of lateral clamping units are located on the support platform and move closer or further apart from each other through the lateral driving unit.

7. The inclined silo correction structure according to claim 6, characterized in that: The lateral drive unit includes a slide rail, a slider, guide wheels, a belt, and a motor, wherein: The slide rail is located on the top of the support platform. There is a pair of sliders, and the pair of sliders are slidably disposed on the slide rail. The sliders and the transverse clamping units correspond one-to-one and are fixedly connected to the corresponding transverse clamping units. The guide wheels are provided in pairs; The belt connects to a pair of guide wheels and is divided into a pair of connecting sections by the pair of guide wheels. The slider and the connecting section correspond one-to-one and are fixedly connected to the opposite connecting section. The motor is mounted on the support platform and is connected to the belt drive.

8. The inclined silo correction structure according to claim 6, characterized in that: The longitudinal clamping unit includes a mounting rod and a limiting rod, wherein: The mounting rod is mounted on the support platform; The limiting rod is provided with multiple connecting holes, and connecting bolts that connect to the mounting rod are provided at the connecting holes.

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