A fixed fixture for polishing

Abstract

This utility model relates to the field of processing and fixing technology, and discloses a fixing fixture for polishing, including a worktable. A dust cover is fixedly connected to the top of the worktable. An outer shell is disposed in the internal slot of the worktable. Guide rail slots are formed inside the top wall of the outer shell. A bidirectional motor is disposed inside the outer shell. A first rotating rod is fixedly connected to the bottom output end of the bidirectional motor. The bottom end of the first rotating rod is rotatably connected to the bottom wall of the internal slot of the worktable. A second rotating rod is fixedly connected to the top output end of the bidirectional motor. This utility model, through the dust cover, bidirectional motor, and connecting block, can solve the problem of affecting polishing accuracy and seriously affecting surface accuracy. The four first connecting rods rotatably connected to the bottom wall of the connecting block effectively reduce secondary damage caused by manual contact, reduce rework, significantly shorten changeover time, and improve work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of processing and fixing technology, and in particular to a fixing fixture for polishing. Background Technology

[0002] Polishing fixtures are specialized mechanical devices used in polishing operations to precisely position and securely hold workpieces. Their core function is to ensure that the workpiece does not shift, vibrate, or deform during polishing, thereby guaranteeing polishing accuracy, improving processing efficiency, and reducing reliance on operator skills.

[0003] When the polishing wheel is fixed, rotating the workpiece allows the polishing force to be applied evenly to the entire machined surface. Most equipment can only cover the machined surface by moving the polishing tool, which not only increases the complexity of the equipment but may also lead to uneven polishing due to deviations in the tool's movement trajectory. If small precision workpieces need to be rotated manually, hand tremors may cause the workpiece to shift, affecting polishing accuracy and even scratching the machined surface. Inconsistent polishing patterns on the workpiece surface severely affect surface precision. During the polishing process, a large amount of metal shavings, abrasive particles such as powder and dust from worn sandpaper are generated. If these impurities are not removed in time, they will accumulate on the workpiece surface. The accumulated dust will be repeatedly crushed by the polishing tool, forming scratches, indentations, or stains on the workpiece surface, damaging the polished surface. This is difficult to clean and will affect subsequent assembly accuracy or performance, causing abnormal noises, jamming, or even malfunction due to excessive wear, increasing the frequency and cost of equipment maintenance. Utility Model Content

[0004] The main purpose of this utility model is to provide a fixed fixture for polishing, which can effectively solve the problems that affect polishing accuracy, even scratch the processed surface, inconsistent polishing texture on the workpiece surface, seriously affect surface accuracy, and lead to problems such as affecting subsequent assembly accuracy or performance, abnormal noise, jamming, or even failure due to excessive wear, thus increasing the maintenance frequency and cost of the equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fixed fixture for polishing, comprising a worktable, a dust cover fixedly connected to the top of the worktable, an outer shell disposed in the internal slot of the worktable, guide rail slots being provided inside the top wall of the outer shell, a bidirectional motor disposed inside the outer shell, a first rotating rod fixedly connected to the bottom output end of the bidirectional motor, the bottom end of the first rotating rod being rotatably connected to the bottom wall of the internal slot of the worktable, a second rotating rod fixedly connected to the top output end of the bidirectional motor, a connecting block fixedly connected to the outer side of the top end of the second rotating rod, a first connecting rod rotatably connected to the bottom wall of each of the connecting blocks, and an adapter ring fixedly connected to the other side of each of the four first connecting rods.

[0006] Furthermore, each of the four adapter rings is rotatably connected to a second connecting rod on its outer side, and each of the four second connecting rods is fixedly connected to a slider on its other side. Each of the four sliders is slidably connected inside the four guide rail grooves, and each of the four sliders is fixedly connected to a clamping block on its top.

[0007] Furthermore, a door frame is rotatably connected to the front side wall of the dust cover, an observation window is fixedly connected to the inside of the right side of the door frame, a handle is fixedly connected to the left side of the front side wall of the door frame, a control panel is fixedly connected to the right side of the front side wall of the dust cover, and a base is fixedly connected to the bottom of the workbench.

[0008] Furthermore, the bottom wall of the workbench is fixedly connected with guide rail blocks, and the interior of each of the two guide rail blocks is slidably connected with a slide plate. The front side wall of each of the two slide plates is fixedly connected with a limit plate, and the bottom of each of the two slide plates is fixedly connected with a collection box.

[0009] Furthermore, the workbench has a flow guide groove inside, and a feeding box is fixedly connected to the rear side wall of the workbench. The front side wall of the feeding box is located on the rear side of the flow guide groove.

[0010] Furthermore, guide plates are fixedly connected to both the left and right sides of the inside of the feeding box, and the bottom of the guide plates is connected to a conveying square tube, the bottom front side of which is connected through the inside of the collecting box.

[0011] Furthermore, a baffle is fixedly connected to the top front side of the workbench, the front side of the baffle is located at the bottom rear side of the door frame, a fan is fixedly connected inside the baffle, a fixing plate is fixedly connected to the rear side of the baffle, and partition plates are fixedly connected to the left and right sides of the fixing plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model, through its dust cover, bidirectional motor, connecting block, second connecting rod, slider, and clamping block, solves the problems that affect polishing accuracy, even scratching the processed surface, resulting in inconsistent polishing textures on the workpiece surface and severely impacting surface precision. The four first connecting rods, rotatably connected by the bottom wall of the connecting block, undergo angle changes under the block's influence. Since the other side of the first connecting rod is connected to the second connecting rod via an adapter ring, this angle change is transmitted to the second connecting rod, causing it to push the slider to slide within the guide rail groove. This effectively reduces secondary damage caused by manual contact, decreases rework, significantly shortens changeover time, and improves work efficiency.

[0013] 2. By incorporating a flow guide channel, slide plate, collection box, guide plate, conveying square tube, fan, and partition plate, the system effectively addresses issues that affect subsequent assembly accuracy or performance, such as abnormal noises, jamming, or even malfunction due to excessive wear, increasing maintenance frequency and costs. The collection box is slidably connected to the guide rail block on the bottom wall of the workbench via a top slide plate, facilitating periodic removal and cleaning. Simultaneously, a baffle at the front of the workbench top, located at the bottom rear of the door frame, blocks flying debris. Its internal fan generates airflow, blowing nearby debris towards the rear flow guide channel. Combined with the partition plate, which is fixed to both sides of a fixed plate, and the airflow channel formed by the fixed plate connected to the rear of the baffle, this enhances the debris convergence effect of the flow guide channel, improving collection efficiency. This effectively reduces subsequent cleaning difficulty, ensures overall workpiece machining accuracy, lowers the frequency of equipment failures due to wear, and extends maintenance cycles.

[0014] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a polishing fixture proposed in this utility model; Figure 2 This utility model provides a diagram of a baffle structure for a fixed fixture used in polishing. Figure 3 This utility model provides a guide rail groove structure for a fixed fixture used in polishing. Figure 4 This is a cross-sectional view of the inner shell of a polishing fixture proposed in this utility model. Figure 5 This utility model provides a structural diagram of a connecting block for a polishing fixture. Figure 6 This utility model provides a structural diagram of a collection box for a fixed tooling used in polishing. Figure 7 This is a schematic diagram of a guide groove for a polishing fixture proposed in this utility model; Figure 8 This utility model provides a structural diagram of a limiting plate for a polishing fixture. Figure 9 This is a cross-sectional view of the internal structure of the feed box of a fixed tooling for polishing proposed in this utility model; Figure 10 This utility model provides a slide plate structure diagram for a fixed fixture used in polishing. Figure 11 This utility model presents a structural diagram of a partition plate for a fixed fixture used in polishing.

[0016] Legend: 1. Workbench; 2. Dust cover; 3. Outer shell; 4. Guide rail groove; 5. Bidirectional motor; 6. First rotating rod; 7. Second rotating rod; 8. Connecting block; 9. First connecting rod; 10. Adapter ring; 11. Second connecting rod; 12. Slider; 13. Clamping block; 14. Door frame; 15. Observation window; 16. Handle; 17. Control panel; 18. Base; 19. Guide channel; 20. Guide rail block; 21. Slide plate; 22. Limiting plate; 23. Collection box; 24. Discharge box; 25. Guide plate; 26. Conveying square tube; 27. Baffle; 28. Fan; 29. ​​Fixing plate; 30. Divider plate. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] like Figure 1 - Figure 5 As shown: A polishing fixture includes a worktable 1, with a dust cover 2 fixedly connected to the top of the worktable 1. The worktable 1 serves as the basic support component for the entire fixture, providing an installation platform for other structures. The dust cover 2 fixedly connected to its top can prevent the spread of dust and other debris during processing, thus providing protection.

[0019] The workbench 1 has an outer shell 3 installed in the internal slot. The top wall of the outer shell 3 is provided with guide rail grooves 4. The outer shell 3 installed in the internal slot of the workbench 1 provides protection for the internal transmission structure. On the other hand, the four guide rail grooves 4 on the top wall provide a directional track for the sliding of the slider 12, ensuring that the slider 12 can only move in a straight line along the direction of the guide rail grooves 4.

[0020] The bidirectional motor 5 is installed inside the outer casing 3. The bottom output end of the bidirectional motor 5 is fixedly connected to a first rotating rod 6. The bottom end of the first rotating rod 6 is rotatably connected to the bottom wall of the internal slot of the worktable 1. The top output end of the bidirectional motor 5 is fixedly connected to a second rotating rod 7. The outer side of the top of the second rotating rod 7 is fixedly connected to a connecting block 8. The bottom of each connecting block 8 is rotatably connected to a first connecting rod 9. The other side of each of the four first connecting rods 9 is fixedly connected to a transition ring 10. The outer side of each of the four transition rings 10 is rotatably connected to a second connecting rod 11. The other side of each of the four second connecting rods 11 is fixedly connected to a slider 12. The four sliders 12 are slidably connected inside the four guide rail slots 4. The top of each of the four sliders 12 is fixedly connected to a clamping block 13. When the bidirectional motor 5 is started, its bottom output end drives the first rotating rod 6 to rotate. Since the bottom end of the first rotating rod 6 is rotatably connected to the bottom wall of the internal slot of the worktable 1, it drives the device inside the outer casing 3 to rotate. Simultaneously, the top output end of the bidirectional motor 5 drives the second rotating rod 7 to rotate, and the connecting block 8 fixedly connected to the outer side of the top of the second rotating rod 7 rotates together with the second rotating rod 7. The four first connecting rods 9 connected to the bottom wall of the connecting block 8 will produce a pushing and pulling action under the rotation of the connecting block 8. The adapter ring 10 fixedly connected to the other side of each first connecting rod 9 plays a flexible transfer role, transmitting the movement of the first connecting rod 9 to the second connecting rod 11 connected to it.

[0021] Furthermore, the second connecting rod 11 will cause the respective connected sliders 12 to slide within the corresponding guide rail grooves 4. Since the four sliders 12 are fixedly connected to the four clamping blocks 13 respectively, the sliding of the sliders 12 will cause the clamping blocks 13 to move synchronously. In addition, when the bidirectional motor 5 rotates forward, the slider 12 moves towards the center along the inside of the guide rail groove 4, and the clamping block 13 tightens accordingly, thereby clamping and fixing the workpiece placed above the worktable 1; when the bidirectional motor 5 rotates in reverse, the slider 12 moves outward along the guide rail groove 4, and the clamping block 13 loosens accordingly, making it easier to pick up and put down the workpiece.

[0022] like Figure 1 - Figure 2 As shown, a door frame 14 is rotatably connected to the front wall of the dust cover 2. An observation window 15 is fixedly connected to the inside of the right side of the door frame 14. A handle 16 is fixedly connected to the left side of the front wall of the door frame 14, and a control panel 17 is fixedly connected to the right side of the front wall of the dust cover 2. The door frame 14 connected to the front wall of the dust cover 2 is the channel for loading and unloading workpieces. The operator can flexibly open and close the door frame 14 using the handle 16 on the left side of the front wall. The observation window 15 inside the right side of the door frame 14 is made of transparent material, allowing real-time observation of the polishing status of the workpiece during processing. It also forms a closed space with the dust cover 2 to prevent dust from spilling out. A base 18 is fixedly connected to the bottom of each workbench 1, providing support for the entire device.

[0023] like Figure 1 - Figure 10 As shown, guide rail blocks 20 are fixedly connected to the bottom wall of the workbench 1. Slide plates 21 are slidably connected inside the two guide rail blocks 20. Limiting plates 22 are fixedly connected to the front side walls of the two slide plates 21. Collection boxes 23 are fixedly connected to the bottom of the two slide plates 21. A guide channel 19 is provided inside the workbench 1. The dust generated is guided by the guide channel 19 and enters the interior of the feeding box 24 through the guide channel 19.

[0024] The rear side wall of the workbench 1 is fixedly connected to the feeding box 24. The front side wall of the feeding box 24 is set behind the guide channel 19. The left and right sides of the inside of the feeding box 24 are fixedly connected to the guide plates 25. The bottom of the guide plates 25 is connected to the conveying square tube 26. The bottom front side of the conveying square tube 26 is connected through the inside of the collection box 23. The two guide rail blocks 20 fixed at the bottom of the workbench 1 provide a precise sliding track for the slide plate 21. The slide plate 21 is fixedly connected to the bottom of the collection box 23 to ensure that the collection box 23 can only slide back and forth along the guide rail blocks 20.

[0025] When the collection box 23 needs to be cleaned, the operator can pull the limiting plate 22 on the front side wall of the slide plate 21 forward to make the slide plate 21 slide out along the guide rail block 20, thereby causing the collection box 23 to detach from the conveying square tube 26. After cleaning, the slide plate 21 is pushed back along the guide rail block 20 to make the collection box 23 accurately reset, ensuring that the bottom front side of the conveying square tube 26 re-enters the interior of the collection box 23 and restores the collection function.

[0026] like Figure 1 - Figure 11 As shown, a baffle 27 is fixedly connected to the top front side of the workbench 1. The front side of the baffle 27 is located at the bottom rear side of the door frame 14. The baffle 27 serves as a barrier and provides external protection for the internal devices. Its front side corresponds to the bottom rear side of the door frame 14, forming a longitudinal barrier. When the door frame 14 is closed, the baffle 27 can prevent polishing debris and dust from overflowing forward from the gap between the door frame 14 and the workbench 1, reducing the impact of dust on the operator.

[0027] Fans 28 are fixedly connected inside the baffle 27, and a fixed plate 29 is fixedly connected to the rear side of the baffle 27. Partition plates 30 are fixedly connected to the left and right sides of the fixed plate 29. When the multiple fans 28 fixed inside the baffle 27 work, they generate a backward directional airflow. This airflow can push the suspended dust and scattered debris during the polishing process to the rear side of the worktable 1. It works in conjunction with the inclined guide of the guide channel 19 to accelerate the convergence of dust and debris into the guide channel 19 and improve the collection efficiency.

[0028] It should be noted that this utility model is a fixed tooling for polishing. First, the bidirectional motor 5, control panel 17, and fan 28 are connected to an external power source to supply power to the device.

[0029] When it is necessary to fix the workpiece, the bidirectional motor 5 inside the housing 3 is activated. The bidirectional motor 5 has a bidirectional output function. The bottom of the first rotating rod 6 connected to the bottom of the output end is rotatably connected to the bottom wall of the slot inside the worktable 1. This structure provides stable support for the motor and ensures the normal rotation of the motor output end. The top output end of the bidirectional motor 5 drives the second rotating rod 7 to rotate, and the connecting block 8 fixed to the outer side of the top of the second rotating rod 7 rotates along with it. The four first connecting rods 9 rotatably connected to the bottom wall of the connecting block 8 will change angle under the action of the connecting block 8. Since the other side of the first connecting rod 9 is connected to the second connecting rod 11 through the adapter ring 10, this angle change will be transmitted to the second connecting rod 11, causing the second connecting rod 11 to push the slider 12 to slide in the guide groove 4. As the four sliders 12 move synchronously inward or outward along the guide rail groove 4, the clamping blocks 13 fixed to the top of the sliders 12 will move closer or further apart accordingly. When the clamping blocks 13 move inward, the workpiece can be clamped and fixed, meeting the stability requirements during polishing; when the clamping blocks 13 move outward, the workpiece can be released for easy handling. By controlling the forward and reverse rotation of the bidirectional motor 5, the position of the clamping blocks 13 can be flexibly adjusted to adapt to the fixing requirements of workpieces of different sizes.

[0030] The generated debris flows backward through the guide channel 19 inside the workbench 1 and enters the feed box 24 fixed to the rear side wall of the workbench 1. The guide plate 25 inside the feed box 24 guides the debris to concentrate at the bottom, and then falls into the collection box 23 through the conveying square tube 26. The collection box 23 is slidably connected to the guide rail block 20 on the bottom wall of the workbench 1 by the top sliding plate 21, which is convenient for periodic removal and cleaning. At the same time, the baffle 27 on the front side of the top of the workbench 1 is located at the bottom rear side of the door frame 14, which can block the debris splashing from the front. When the fan 28 inside is started, it can generate airflow, blowing the nearby debris to the rear guide channel 19. With the help of the partition plate 30, which is fixed to both sides of the fixed plate 29, the fixed plate 29 is connected to the airflow channel formed by the rear side of the baffle 27, which enhances the gathering effect of debris to the guide channel 19 and improves the collection efficiency.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fixed fixture for polishing, comprising a worktable (1), characterized in that: A dust cover (2) is fixedly connected to the top of the workbench (1). A shell (3) is provided in the internal slot of the workbench (1). A guide rail slot (4) is provided inside the top wall of the shell (3). A bidirectional motor (5) is provided inside the shell (3). A first rotating rod (6) is fixedly connected to the bottom output end of the bidirectional motor (5). The bottom end of the first rotating rod (6) is rotatably connected to the bottom wall of the internal slot of the workbench (1). A second rotating rod (7) is fixedly connected to the top output end of the bidirectional motor (5). A connecting block (8) is fixedly connected to the outer side of the top end of the second rotating rod (7). A first connecting rod (9) is rotatably connected to the bottom of each of the connecting blocks (8). A transition ring (10) is fixedly connected to the other side of each of the four first connecting rods (9).

2. The polishing fixture according to claim 1, characterized in that: The outer sides of the four adapter rings (10) are rotatably connected to a second connecting rod (11), and the other side of the four second connecting rods (11) is fixedly connected to a slider (12). The four sliders (12) are slidably connected inside the four guide rail grooves (4), and the top of the four sliders (12) is fixedly connected to a clamp (13).

3. The polishing fixture according to claim 1, characterized in that: The front side wall of the dust cover (2) is rotatably connected to a door frame (14), the right side of the door frame (14) is fixedly connected to an observation window (15), the left side of the front side wall of the door frame (14) is fixedly connected to a handle (16), the right side of the front side wall of the dust cover (2) is fixedly connected to a control panel (17), and the bottom of the workbench (1) is fixedly connected to a base (18).

4. The polishing fixture according to claim 1, characterized in that: The bottom wall of the workbench (1) is fixedly connected with guide rail blocks (20), and the interior of the two guide rail blocks (20) is slidably connected with slide plates (21). The front side walls of the two slide plates (21) are fixedly connected with limit plates (22), and the bottom of the two slide plates (21) is fixedly connected with collection boxes (23).

5. The polishing fixture according to claim 4, characterized in that: The workbench (1) has a flow channel (19) inside, and a feeding box (24) is fixedly connected to the rear side wall of the workbench (1). The front side wall of the feeding box (24) is located on the rear side of the flow channel (19).

6. The polishing fixture according to claim 5, characterized in that: The feed box (24) has guide plates (25) fixedly connected to both the left and right sides inside. The bottom of the guide plate (25) is connected to a conveying square tube (26), and the bottom front side of the conveying square tube (26) is connected through to the inside of the collection box (23).

7. The polishing fixture according to claim 1, characterized in that: A baffle (27) is fixedly connected to the top front side of the workbench (1). The front side of the baffle (27) is located at the bottom rear side of the door frame (14). A fan (28) is fixedly connected inside the baffle (27). A fixing plate (29) is fixedly connected to the rear side of the baffle (27). A partition plate (30) is fixedly connected to both the left and right sides of the fixing plate (29).

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