Fixing device for table type drilling and milling machine

By using multiple clamping components and permanent magnets on a bench drill milling machine, the problem of unstable clamping of irregular or polygonal workpieces was solved, achieving stable clamping of workpieces in both the horizontal and vertical directions, thus improving machining accuracy and safety.

CN223932634UActive Publication Date: 2026-02-24LUOYANG ZHICHENGYUE ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202520628803.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-24
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Existing benchtop milling machine fixtures cannot stably clamp irregular or polygonal workpieces, and the spring's rebound force causes the workpiece to vibrate longitudinally, affecting machining accuracy and safety.

Method used

Multiple clamping components are used, combined with permanent magnets and clamping springs. Through the cooperation of magnetic attraction and springs, irregular or polygonal workpieces can be clamped evenly to prevent vibration.

Benefits of technology

It achieves stable clamping of irregular or polygonal workpieces, ensuring the stability of the workpieces in the lateral and longitudinal directions, and improving machining accuracy and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drilling and milling machines, and discloses a table type drilling and milling machine fixing device which comprises a drilling and milling machine body, a feeding table is arranged on the drilling and milling machine body, an adjusting table is arranged on the top face of the feeding table, an operating table is fixedly arranged on the top face of the adjusting table, and a fixing box assembly is arranged on the operating table. A plurality of clamping assemblies are symmetrically arranged on the fixing box assembly, a lifting mechanism is arranged on the top of the drilling and milling machine body, a drilling and milling cutter is arranged on the lifting mechanism, and a control mechanism is arranged on one side of the drilling and milling machine body; according to the utility model, the plurality of clamping assemblies are arranged to adaptively clamp the workpiece in an irregular or polygonal shape, so that the clamping points on the outer side of the workpiece are uniformly distributed, the stressed clamping force is uniformly distributed, and the stability in the transverse direction is ensured; by arranging the fixing box assembly, the clamping point, making contact with the machined part, of the clamping assembly is fixed, meanwhile, the machined part is magnetically attracted, and it is guaranteed that the machined part is stable in the longitudinal direction.
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Description

Technical Field

[0001] This utility model relates to the field of drilling and milling machine technology, and in particular to a fixing device for a bench drill and milling machine. Background Technology

[0002] The clamping device of a bench drill and milling machine is mainly used to hold and fix the workpiece being machined, keeping it in a stable position and posture during machining. The clamping device not only helps ensure the accuracy of drilling or milling, but also improves machining efficiency and ensures the safety of the operator.

[0003] Chinese utility model patent application number 202320451910.6 discloses a fixing device for a benchtop drilling and milling machine, including a drilling and milling machine body, an electric actuator fixedly connected to the top of the drilling and milling machine body, and a fixing mechanism set on the top of the drilling and milling machine body. This utility model places the object to be drilled / milled on a placement platform set on the top of the operating platform. A motor drives a threaded rod to rotate, and the threaded rod is threadedly connected to a threaded sleeve block. This causes the threaded sleeve block to be forced to slide a moving block outside a limit rod. Pressing the insertion rod causes the insertion rod to push a moving plate set on the side to slide inside the connecting block. During the sliding process, a spring set on the side is compressed, pulling the fixing block. The insertion rod is subjected to the spring's rebound force, causing the insertion rod to be inserted and fixed to the moving block, thus fixing the fixing block inside the moving block. This allows for easy adjustment and fixing according to the object's size. The operation is simple and quick, and it is easy to disassemble and replace, ensuring the practicality of the device.

[0004] However, in this technical solution, the straight plate used for clamping and fixing can only fix workpieces with regular shapes. When it comes to workpieces with irregular sizes or polygons, the fixing of the straight plate is not stable enough, which makes the clamping of the workpiece unstable in the lateral direction. In addition, the spring is used to fix workpieces of different heights, but because the spring itself has a rebound force, it is subjected to high-frequency friction during drilling and milling, which can easily cause the workpiece to vibrate in the longitudinal direction, resulting in the clamping of the workpiece unstable in the longitudinal direction.

[0005] Therefore, it is necessary to solve the above problems by using a bench drill and milling machine fixing device. Utility Model Content

[0006] The purpose of this utility model is to provide a fixing device for a bench drill and milling machine to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a bench drill and milling machine fixing device, including a drill and milling machine body, a feed table on the drill and milling machine body, an adjustment table on the top surface of the feed table, an operating table fixedly mounted on the top surface of the adjustment table, a fixing box assembly on the operating table, a plurality of clamping assemblies symmetrically arranged on the fixing box assembly, a lifting mechanism on the top of the drill and milling machine body, a drill and milling cutter mounted on the lifting mechanism, and a control mechanism on one side of the drill and milling machine body.

[0008] Preferably, the clamping assembly includes a clamping plate, a movable rod is fixedly disposed on one side of the clamping plate, and a clamping spring is disposed on the outer side of the movable rod.

[0009] Preferably, an anti-slip pad is fixedly provided on the side of the clamping plate away from the moving rod, and one end of the clamping spring is fixedly connected to the clamping plate, and the other end is fixedly connected to the inner wall of the fixing box assembly.

[0010] Preferably, the fixing box assembly has vertical electromagnets on both sides of the clamping assembly, and a horizontal electromagnet is provided at the bottom of the side opposite to the two vertical electromagnets.

[0011] Preferably, connecting plates are fixedly provided at both ends of the vertical electromagnet, and a slider is provided on the bottom surface of the horizontal electromagnet.

[0012] Preferably, the slider is slidably mounted on the operating table, and the operating table is provided with a groove that matches the slider.

[0013] Preferably, the feed table is slidably disposed at the front end of the drilling and milling machine body, and the adjustment table is slidably disposed on the top surface of the feed table.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] 1. In this utility model, by setting multiple clamping components, the workpiece with irregular or polygonal shapes is adaptively clamped, ensuring that the clamping points on the outside of the workpiece are evenly distributed and the clamping force is evenly distributed, thus ensuring lateral stability; by setting a fixing box component, the clamping points in contact with the workpiece are fixed, and the workpiece is magnetically attracted, thus ensuring longitudinal stability.

[0016] 2. In this utility model, by setting a clamping plate and a clamping spring, it is possible to adaptively clamp irregularly sized or polygonal workpieces, ensuring the initial stability of the workpiece in the lateral direction; by setting a lateral electromagnet to fix the clamping plate located at different clamping points, it is possible to prevent the workpiece from vibrating in the lateral direction due to the shock absorption of the clamping spring during drilling and milling. At the same time, it is also possible to fix the workpiece body through magnetic attraction, preventing the workpiece from vibrating in the longitudinal direction, thereby ensuring the stability of the workpiece in both the lateral and longitudinal directions. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the fixing box assembly and clamping assembly of this utility model.

[0019] In the diagram: 1. Drilling and milling machine body; 2. Feed table; 3. Adjustment table; 4. Operating table; 5. Fixing box assembly; 501. Connecting plate; 502. Vertical electromagnet; 503. Horizontal electromagnet; 504. Slider; 6. Clamping assembly; 601. Clamping plate; 602. Moving rod; 603. Clamping spring; 604. Anti-slip pad; 7. Lifting mechanism; 8. Drilling and milling cutter; 9. Control mechanism. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] To address the problems of existing clamping and fixing devices being unable to fix irregularly sized or polygonal workpieces, resulting in unstable clamping of the workpiece in the lateral direction, and the fact that the spring itself has a restoring force, causing high-frequency friction during drilling and milling, which can easily lead to vibration of the workpiece in the longitudinal direction and instability in clamping of the workpiece in the longitudinal direction, the following embodiments are proposed.

[0022] This utility model provides, for example Figures 1 to 2The table milling machine fixing device shown includes a milling machine body 1, a feed table 2 on the milling machine body 1, an adjustment table 3 on the top surface of the feed table 2, the feed table 2 being slidably disposed at the front end of the milling machine body 1, a track being disposed at the front end of the milling machine body 1, the bottom of the feed table 2 being engaged with the track and sliding along the track, the adjustment table 3 being slidably disposed at the top surface of the feed table 2 for controlling the lateral movement of the operating table 4, the operating table 4 being fixedly disposed at the top surface of the adjustment table 3, a fixing box assembly 5 being disposed on the operating table 4, a plurality of clamping assemblies 6 being symmetrically disposed on the fixing box assembly 5, a lifting mechanism 7 being disposed at the top of the milling machine body 1, a milling cutter 8 being disposed on the lifting mechanism 7, and a control mechanism 9 being disposed on one side of the milling machine body 1.

[0023] In this utility model, the electronic components uniform control mechanism 9 is electrically connected, and the user can issue commands to the feed table 2, adjustment table 3, fixed box assembly 5, lifting mechanism 7, and drilling and milling cutter 8 through the control mechanism 9.

[0024] By setting multiple clamping components 6, the workpiece with irregular or polygonal shapes can be clamped in an adaptive manner, ensuring that the clamping points on the outside of the workpiece are evenly distributed and the clamping force is evenly distributed, thus ensuring lateral stability. By setting a fixing box component 5, the clamping points of the clamping components 6 that are in contact with the workpiece are fixed, and the workpiece is magnetically attracted, thus ensuring longitudinal stability.

[0025] like Figure 2 As shown, the clamping assembly 6 includes a clamping plate 601. The clamping plate 601 is made of permanent magnet material. When the vertical electromagnet 502 and the horizontal electromagnet 503 are energized, they will generate a magnetic attraction force on the clamping plate 601. A moving rod 602 is fixedly provided on one side of the clamping plate 601. The moving rod 602 is used to limit the movement trajectory of the clamping plate 601. A clamping spring 603 is provided on the outer side of the moving rod 602. An anti-slip pad 604 is fixedly provided on the side of the clamping plate 601 away from the moving rod 602. One end of the clamping spring 603 is fixedly connected to the clamping plate 601, and the other end is fixedly connected to the inner wall of the fixing box assembly 5.

[0026] In use, the control mechanism 9 controls the vertical electromagnet 502 to be energized, generating a magnetic attraction force on the clamping plate 601, attracting the clamping plate 601 to a position close to the vertical electromagnet 502. At this time, the clamping spring 603 is compressed to its maximum compression. Then, the workpiece is placed between the clamping plates 601. The control mechanism 9 controls the vertical electromagnet 502 to be de-energized, the clamping spring 603 returns to its original position, and the clamping plate 601 clamps the workpiece. The clamping spring 603 supports the clamping plate 601 to adaptively clamp according to the shape of the workpiece, ensuring the stability of the workpiece in the lateral direction.

[0027] like Figure 2As shown, the fixing box assembly 5 is provided with vertical electromagnets 502 on both sides of the clamping assembly 6. The vertical electromagnets 502 are evenly provided with through holes. The moving rod 602 passes through the through holes and can slide in the through holes. A horizontal electromagnet 503 is provided at the bottom of the opposite side of the two vertical electromagnets 502. The two ends of the vertical electromagnets 502 are fixedly provided with connecting plates 501. A slider 504 is provided on the bottom surface of the horizontal electromagnet 503. The slider 504 is slidably provided on the operating table 4. The operating table 4 is provided with a sliding groove that matches the slider 504. The fixing box assembly 5 is snapped onto the operating table 4 by the slider 504.

[0028] After the clamping plate 601 clamps the workpiece, the control mechanism 9 controls the transverse electromagnet 503 to be energized, so as to attract the clamping plate 601 located at each clamping point, thereby fixing the position of the clamping plate 601 and preventing the clamping plate 601 from vibrating due to the buffer of the clamping spring 603 during drilling and milling. At the same time, it can also attract and fix the workpiece of metal material, ensuring the stability of the workpiece in the longitudinal direction.

[0029] By setting up the clamping plate 601 and the clamping spring 603, it is possible to adaptively clamp irregularly sized or polygonal workpieces to ensure the initial stability of the workpiece in the lateral direction. By setting up the lateral electromagnet 503 to fix the clamping plate 601 located at different clamping points, it is possible to prevent the workpiece from vibrating in the lateral direction due to the damping of the clamping spring 603 during drilling and milling. At the same time, the workpiece body can also be fixed by magnetic attraction to prevent the workpiece from vibrating in the longitudinal direction, thereby ensuring the stability of the workpiece in both the lateral and longitudinal directions.

[0030] The working principle of this utility model is as follows: First, the feed table 2 is moved out from directly below the drill and milling cutter 8 by the control mechanism 9. The feed table 2 drives the operating table 4 to move out through the adjustment table 3.

[0031] Next, the fixing box assembly 5 is attached to the operating table 4 via the slider 504. The control mechanism 9 controls the vertical electromagnet 502 to be energized, generating a magnetic attraction force on the clamping plate 601, attracting the clamping plate 601 to a position close to the vertical electromagnet 502. At this time, the clamping spring 603 is compressed to its maximum compression. Then, the workpiece is placed between the clamping plates 601. The control mechanism 9 controls the vertical electromagnet 502 to be de-energized, the clamping spring 603 returns to its original position, and the clamping plate 601 clamps the workpiece. The clamping spring 603 supports the clamping plate 601 to adaptively clamp according to the shape of the workpiece, ensuring the stability of the workpiece in the lateral direction.

[0032] Then, after the clamping plate 601 clamps the workpiece, the control mechanism 9 controls the transverse electromagnet 503 to be energized, so as to attract the clamping plate 601 located at each clamping point, thereby fixing the position of the clamping plate 601 and preventing the clamping plate 601 from vibrating due to the buffer of the clamping spring 603 during drilling and milling. At the same time, it can also attract and fix the workpiece of metal material, ensuring the stability of the workpiece in the longitudinal direction.

[0033] Then, the control mechanism 9 controls the feed table 2 to move the adjustment table 3, the operating table 4, and the fixed box assembly 5 back to directly below the drill cutter 8. The control mechanism 9 controls the adjustment table 3 to adjust the position of the workpiece in the fixed box assembly 5. After the adjustment is in place, the control mechanism 7 controls the lifting mechanism 7 to lower the drill cutter 8 to the position, and then the drill cutter 8 is turned on to perform drilling and milling.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fixing device for a benchtop drilling and milling machine, characterized in that: The machine includes a milling machine body (1), a feed table (2) is provided on the milling machine body (1), an adjustment table (3) is provided on the top surface of the feed table (2), an operating table (4) is fixedly provided on the top surface of the adjustment table (3), a fixed box assembly (5) is provided on the operating table (4), a plurality of clamping assemblies (6) are symmetrically provided on the fixed box assembly (5), a lifting mechanism (7) is provided on the top of the milling machine body (1), a milling cutter (8) is provided on the lifting mechanism (7), and a control mechanism (9) is provided on one side of the milling machine body (1).

2. The fixing device for a benchtop drilling and milling machine according to claim 1, characterized in that: The clamping assembly (6) includes a clamping plate (601), a movable rod (602) is fixedly provided on one side of the clamping plate (601), and a clamping spring (603) is provided on the outside of the movable rod (602).

3. The fixing device for a benchtop drilling and milling machine according to claim 2, characterized in that: An anti-slip pad (604) is fixedly provided on the side of the clamping plate (601) away from the moving rod (602). One end of the clamping spring (603) is fixedly connected to the clamping plate (601), and the other end is fixedly connected to the inner wall of the fixing box assembly (5).

4. The fixing device for a benchtop drilling and milling machine according to claim 1, characterized in that: The fixing box assembly (5) is provided with vertical electromagnets (502) on both sides of the clamping assembly (6), and a horizontal electromagnet (503) is provided at the bottom of the opposite side of the two vertical electromagnets (502).

5. A benchtop drilling and milling machine fixing device according to claim 4, characterized in that: The vertical electromagnet (502) has connecting plates (501) fixedly installed at both ends, and the horizontal electromagnet (503) has a slider (504) installed on its bottom surface.

6. A benchtop drilling and milling machine fixing device according to claim 5, characterized in that: The slider (504) is slidably mounted on the operating table (4), and the operating table (4) is provided with a groove that matches the slider (504).

7. A benchtop drilling and milling machine fixing device according to claim 1, characterized in that: The feed table (2) is slidably disposed at the front end of the milling machine body (1), and the adjustment table (3) is slidably disposed on the top surface of the feed table (2).

Citation Information

Patent Citations

  • Fixing device for table type drilling and milling machine

    CN219336082U