Integrated workbench stop device

Abstract

The utility model discloses a kind of integrated workstation limiting device, including workbench body, hollow column is provided on the workbench body, the hollow column is connected with workpiece by compression assembly, ratchet wheel is rotatably installed on the outside of hollow column, the ratchet wheel is connected with servo motor, workbench body is also provided with the ratchet rack of the hollow column both sides, the ratchet rack and the ratchet wheel are mutually engaged, the end of the ratchet rack is also oppositely provided with abutment, and the abutment is used for contacting with workpiece.The utility model utilizes compression assembly and presses workpiece on hollow column, the ratchet wheel on the outside of hollow column and the ratchet rack between them are ratchet wheel engagement structure, and are arranged on the left and right sides of workpiece, so that the action direction of one left and one right is opposite when ratchet wheel rotates, and then keep synchronous close or away, and then utilize the abutting bolt on the ratchet rack to carry out front and back clamping to workpiece body, guarantee the accuracy of workpiece processing.

Description

Technical Field

[0001] This utility model belongs to the field of machining table technology, and in particular relates to an integrated worktable limiting device. Background Technology

[0002] In the machining process, mechanical limit worktables are required. Limiting and positioning structures are installed on the worktable to position and clamp the workpiece to be processed, help fix the workpiece, and improve the stability of the processing equipment. Therefore, the worktable limit device plays an important role in the machining process.

[0003] Workpieces are often clamped and limited by limiting structures on the worktable. However, the clamping direction of the current limiting structures is relatively unidirectional. When the workpiece is large, the clamping stability in a single direction is obviously insufficient. When dealing with large workpieces, a large-area contact method is often used for clamping. However, the tightening and loosening operation of the clamping point is not precise enough. After clamping and limiting the workpiece at a general position, there is a gap in the tightness of the connection between the workpiece and the limiting device. This causes a small range of loosening between the workpiece and the limiting device. When performing fine machining operations, the instability caused by slight loosening will affect the accuracy of workpiece machining. Utility Model Content

[0004] The purpose of this utility model is to overcome the defects of the prior art and provide an integrated worktable limiting device. The clamping component clamps the workpiece onto the hollow column. The ratchet and ratchet rack on the outside of the hollow column have a ratchet meshing structure and are set on the left and right sides of the workpiece. When the ratchet rotates, the left and right action directions are opposite, so as to keep them moving closer or further away synchronously. The clamping bolts on the ratchet rack are used to clamp the workpiece body from front to back, so as to ensure the accuracy of workpiece processing.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] An integrated worktable limiting device includes a worktable body, on which a hollow column is provided. The hollow column is connected to a workpiece via a clamping assembly. A ratchet is rotatably mounted on the outer side of the hollow column. The ratchet is connected to a servo motor. The worktable body also has ratchet racks located on both sides of the hollow column. The ratchet racks mesh with the ratchet. A stop block is also provided at the end of the ratchet rack, which is used to contact the workpiece.

[0007] In this embodiment, the workpiece body is pressed onto the hollow column using a clamping assembly. The ratchet and ratchet rack on the outer side of the hollow column form a ratchet meshing structure and are located on the left and right sides of the workpiece. This allows the ratchet to rotate in opposite directions, moving towards or away from each other synchronously. The clamping bolts on the ratchet rack then clamp the workpiece body from front to back. Combined with the clamping assembly's clamping action in the left and right directions, this ensures the accuracy of workpiece processing.

[0008] In one embodiment, the surface of the abutment block is further threaded with a clamping bolt.

[0009] In one embodiment, an auxiliary slider is provided on the side of the ratchet rack that is far apart from each other. The auxiliary slider is connected to a driving member, and the auxiliary slider and the slide rail provided on the worktable body form a sliding structure.

[0010] In one embodiment, the driving component is a locking cylinder, and the output end of the locking cylinder is connected to the end of the auxiliary slider.

[0011] In one embodiment, the clamping assembly includes a locking pin embedded in the inner hole of the hollow column, an adjusting rod extending horizontally on the locking pin, and connecting frames located on both sides of the workpiece on the adjusting rod. Each connecting frame is provided with a clamping plate and a pressing plate located on the upper and lower sides of the workpiece.

[0012] In one embodiment, the end of the abutment plate is further provided with a fixed rubber roller that contacts the workpiece.

[0013] In one embodiment, the clamping plate is fixedly installed on the top of the connecting frame, and a lifting plate is rotatably connected to the connecting frame. The abutting plate is rotatably connected to both the connecting frame and the lifting plate.

[0014] In one embodiment, the lifting plate is provided with an arc-shaped groove, and a locking bolt that penetrates the connecting frame is provided in the arc-shaped groove, the head of the locking bolt being able to contact the surface of the lifting plate.

[0015] In one embodiment, the connecting frame is mounted on the adjusting rod via a fastening seat, the fastening seat comprising fastening plates disposed on both sides of the adjusting rod, the fastening plates being connected to each other by a plurality of fastening bolts that bypass the adjusting rod.

[0016] In one embodiment, the connecting frame is mounted on the adjusting rod via a fastening seat, the fastening seat comprising fastening plates disposed on both sides of the adjusting rod, the fastening plates being connected to each other by a plurality of fastening bolts that bypass the adjusting rod.

[0017] The beneficial effects of this utility model are as follows:

[0018] (1) The workpiece is pressed onto the hollow column using the clamping assembly. The ratchet and ratchet rack on the outside of the hollow column are ratchet meshing structures and are set on the left and right sides of the workpiece. When the ratchet rotates, the left and right action directions are opposite, thus keeping them moving closer or further away synchronously. The clamping bolts on the ratchet rack are used to clamp the workpiece body from front to back, ensuring the accuracy of workpiece processing.

[0019] (2) The surface of the connecting frame is connected to the lifting plate by bolts. The surface of the lifting plate is provided with a sliding groove. The connecting frame is connected to the sliding groove on the surface of the lifting plate by locking bolts. After the bolts are loosened, the lifting plate is lifted upward by the rotation structure of the lifting plate. The lifting plate moves upward along with the pressing plate, so that the fixed rubber roller at the upper end of the pressing plate can press against the bottom of the workpiece body, further reducing the gap between the fixed rubber roller and the bottom of the workpiece. It cooperates with the pressing plate above to realize the independent adjustment of the clamping point, improve the clamping tightness of the clamping point on the workpiece body, avoid slight shaking at the clamping point, and further improve the stability of the workpiece during processing. Through multi-directional clamping and the adjustment of the clamping point and the strengthening of the force, the functional integrated limiting structure of the worktable body is formed. Attached Figure Description

[0020] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings. Wherein:

[0021] Figure 1 A schematic diagram of the structure of this utility model is shown;

[0022] Figure 2 A schematic diagram of the clamping assembly of this utility model is shown;

[0023] Figure 3 This diagram shows the structure of the connecting frame of this utility model mounted on the adjusting rod;

[0024] Figure 4 Showing Figure 3 A magnified schematic diagram of the partial structure at point A in the middle;

[0025] In the accompanying drawings, the same parts use the same reference numerals. The drawings are not to scale.

[0026] Figure label:

[0027] 1-Workbench body, 2-Hollow column, 3-Ratchet, 4-Servo motor, 5-Ratchet rack, 6-Abutting block, 7-Auxiliary slider, 8-Locking cylinder, 9-Clamping column, 10-Fastening seat, 11-Workpiece body, 12-Connecting frame, 13-Lifting plate, 14-Abutting bolt, 15-Pressure plate, 16-Abutting plate, 17-Fixing rubber roller, 18-Slide groove, 19-Locking bolt, 20-Adjusting rod. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings.

[0029] This utility model provides an integrated worktable limiting device, such as Figure 1 As shown, the worktable includes a worktable body 1, on which a hollow column 2 is provided. The hollow column 2 is connected to the workpiece through a clamping assembly. A ratchet 3 is rotatably mounted on the outside of the hollow column 2. The ratchet 3 is connected to a servo motor 4. The worktable body 1 is also provided with ratchet racks 5 located on both sides of the hollow column 2. The ratchet racks 5 and the ratchet 3 mesh with each other. A stop block 6 is also provided on the end of the ratchet rack 5. The stop block 6 is used to contact the workpiece body 11.

[0030] Specifically, the surface of the abutment block 6 is also threaded with a clamping bolt 14, and an auxiliary slider 7 is provided on the side of the ratchet rack 5 that is far apart from each other. The auxiliary slider 7 is connected to a driving component, and the auxiliary slider 7 and the slide rail provided on the worktable body form a sliding structure. The driving component is a locking cylinder 8, and the output end of the locking cylinder 8 is connected to the end of the auxiliary slider 7.

[0031] It should be noted that the servo motor 4 drives the ratchet 3 to rotate. The ratchet 3 and the ratchet rack 5 have a meshing structure, and the ratchet rack 5 is positioned on the left and right sides of the outside of the ratchet 3, so that when the ratchet 3 rotates, the left and right directions are opposite, thus maintaining synchronous approach or distance. The abutment block 6 on the ratchet rack 5 clamps the workpiece body 11 from front to back, and a clamping bolt 14 is installed on the surface of the abutment block 6. When the abutment block 6 clamps the workpiece body 11, the clamping bolt 14 is tightened to further strengthen the connection between the abutment block 6 and the workpiece body 11. The clamping force between the workpiece body 11 and the abutment block 6 is increased to prevent gaps from appearing between the workpiece body 11 and the surface of the abutment block 6, thereby improving the clamping strength of the abutment block 6. After the abutment block 6 has completed clamping the workpiece body 11, the locking cylinder 8 is activated. The locking cylinder 8 pushes the auxiliary slider 7 again, and the auxiliary slider 7 slides horizontally along the worktable body 1. The pushing direction of the cylinder is coordinated with the movement direction of the ratchet rack 5. The main purpose is to use the locking cylinder 8 to strengthen the clamping force of the ratchet rack 5 and to lock the ratchet rack 5. The locking cylinder 8 is existing technology and will not be described in detail here.

[0032] Furthermore, such as Figures 2 to 4As shown, the clamping assembly includes a locking pin 9 embedded in the inner hole of the hollow column 2. An adjusting rod 20 extending horizontally is provided on the locking pin 9. Connecting brackets 12 located on both sides of the workpiece body 11 are provided on the adjusting rod 20. Each connecting bracket 12 is provided with a clamping plate 15 and a pressing plate 16 located on the upper and lower sides of the workpiece body 11. That is, the clamping plate 15 and the pressing plate 16 located on the upper and lower sides of the workpiece body 11 are used to clamp the workpiece body 11. Figure 1 The workpiece body 11 is pressed in the left and right directions as shown, and the two abutments 6 clamp the workpiece in the front and back directions to improve the clamping effect on the workpiece body 11.

[0033] Specifically, the end of the clamping plate 16 is also provided with a fixed rubber roller 17 that contacts the workpiece. The pressing plate 15 is fixedly installed on the top of the connecting frame 12. The connecting frame 12 is also rotatably connected with a lifting plate 13. The clamping plate 16 is rotatably connected to the connecting frame 12 and the lifting plate 13 respectively. The lifting plate 12 is provided with an arc-shaped groove 18. A locking bolt 19 that penetrates the connecting frame 12 is provided in the arc-shaped groove 18. The head of the locking bolt 19 can contact the surface of the lifting plate 13. The connecting frame 12 is set on the adjusting rod 12 through a fastening seat 10. The fastening seat 10 includes fastening plates set on both sides of the adjusting rod 20. The fastening plates are connected by multiple fastening bolts that bypass the adjusting rod.

[0034] It should be noted that when the workpiece body 11 is placed between the clamping plate 15 and the abutment plate 16, and the locking bolt 19 is loosened, the lifting plate 13 is lifted upwards using the rotating structure between the locking bolt 19 and the lifting plate 13. The locking bolt 19 slides along the slide groove 18. As the lifting plate 13 rises, it also lifts the abutment plate 16. The abutment plate 16, the lifting plate 13, and the connecting frame 12 are all rotating structures. Therefore, they can rise with the lifting plate 13, thus fixing the upper end of the abutment plate 16 with the fixed rubber. During the upward movement, the rubber roller 17 continuously reduces the gap between itself and the workpiece body 11 until it is pressed against the workpiece body 11 by the pressure plate. After pressing, the locking bolt 19 is tightened to lock and position the lifting plate 13, thus completing the positioning of the workpiece body 11. In addition, the bolts on the surface of the fastening seat 10 can be loosened according to the actual size of the workpiece body 11, and the fastening seat 10 can move along the surface of the clamping post 9 to adjust the spacing, thereby improving the clamping flexibility and practicality of the workpiece body 11.

[0035] In one embodiment, the working principle of this utility model is as follows:

[0036] First, place the workpiece body 11 to be processed on the worktable body 1, ensuring it is positioned between the clamping plate 15 and the abutment plate 16. Then, start the servo motor 4, which drives the ratchet 3 to rotate. Since the ratchet 3 and ratchet rack 5 have a ratchet meshing structure, the rotation of the ratchet 3 will cause the ratchet rack 5 to move relative to or towards the outside of the hollow column 2. Because the ratchet rack 5 is located on the left and right sides of the workpiece body 11, the rotation of the ratchet 3 will cause the ratchet rack 5 to move synchronously closer to or further away from the workpiece body 11. This allows the abutment block 6 at one end of the ratchet rack 5 to clamp the workpiece body 11 in the front-back direction. After the abutment block 6 initially clamps the workpiece body 11, tighten the abutment bolt 14 on the surface of the abutment block 6 to further strengthen the clamping force between the abutment block 6 and the workpiece body 11, ensuring the workpiece body 11 is securely clamped and preventing shaking or displacement during processing. Simultaneously, when the abutment block 6 completes its clamping action... After the workpiece body 11 is clamped, the locking cylinder 8 is activated. The locking cylinder 8 pushes the auxiliary slider 7 to slide along the surface of the worktable body 1. Since the sliding direction of the auxiliary slider 7 is matched with the movement direction of the ratchet rack 5, the push of the locking cylinder 8 will further strengthen the clamping force of the ratchet rack 5 and lock the ratchet rack 5, ensuring the stability and safety of the workpiece body 11 during the processing. Then, according to the actual size of the workpiece body 11 and the processing requirements, the bolts on the surface of the fastening seat 10 are loosened, and the position of the fastening seat 10 on the adjusting rod 20 is adjusted, thereby adjusting the distance between the clamping plate 15 and the clamping plate 16, which improves the clamping flexibility and practicality of the workpiece body 11 and can adapt to workpiece bodies 11 of different sizes and shapes. Finally, when the workpiece body 11 is firmly clamped and positioned, the processing operation can begin, avoiding the slight shaking that may occur in the workpiece body 11 during fine processing.

[0037] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] While specific embodiments of the present invention have been described herein with reference to them, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that different dependent claims and features described herein can be combined in ways different from those described in the original claims. It is also understood that features described in conjunction with individual embodiments can be used in other described embodiments.

Claims

1. An integrated worktable limiting device, characterized in that, The device includes a worktable body, on which a hollow column is provided. The hollow column is connected to the workpiece via a clamping assembly. A ratchet is rotatably mounted on the outer side of the hollow column. The ratchet is connected to a servo motor. The worktable body also has ratchet racks located on both sides of the hollow column. The ratchet racks mesh with the ratchet. A stop block is also provided at the end of the ratchet rack, which is used to contact the workpiece.

2. The integrated worktable limiting device according to claim 1, characterized in that, The surface of the abutment block is also threaded with a clamping bolt.

3. The integrated worktable limiting device according to claim 1, characterized in that, An auxiliary slider is provided on the side of the ratchet rack that is far apart from each other. The auxiliary slider is connected to a driving component, and the auxiliary slider and the slide rail provided on the worktable body form a sliding structure.

4. The integrated worktable limiting device according to claim 3, characterized in that, The driving component is a locking cylinder, and the output end of the locking cylinder is connected to the end of the auxiliary slider.

5. The integrated worktable limiting device according to claim 1, characterized in that, The clamping assembly includes a locking pin embedded in the inner hole of the hollow column. The locking pin is provided with an adjusting rod extending in the horizontal direction. The adjusting rod is provided with connecting frames located on both sides of the workpiece. Each connecting frame is provided with a clamping plate and a backing plate located on the upper and lower sides of the workpiece.

6. The integrated worktable limiting device according to claim 5, characterized in that, The end of the abutment plate is also provided with a fixed rubber roller that contacts the workpiece.

7. The integrated worktable limiting device according to claim 5, characterized in that, The clamping plate is fixedly installed on the top of the connecting frame, and a lifting plate is rotatably connected to the connecting frame. The abutting plate is rotatably connected to the connecting frame and the lifting plate respectively.

8. The integrated worktable limiting device according to claim 7, characterized in that, The lifting plate is provided with an arc-shaped sliding groove, and a locking bolt that passes through the connecting frame is provided in the arc-shaped sliding groove. The head of the locking bolt can contact the surface of the lifting plate.

9. The integrated worktable limiting device according to claim 5, characterized in that, The connecting frame is mounted on the adjusting rod via a fastening seat. The fastening seat includes fastening plates disposed on both sides of the adjusting rod, and the fastening plates are connected to each other by a plurality of fastening bolts that bypass the adjusting rod.

10. The integrated worktable limiting device according to claim 1, characterized in that, The servo motor is located below the worktable body, and the output shaft of the servo motor is connected to the ratchet.

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