Quick assembling and disassembling clamp for milling machine
By using a gear meshing structure and dial design, the problem of inaccurate manual angle adjustment in milling machine fixtures was solved, thereby improving the stability and efficiency of milling high-precision workpieces.
Patent Information
- Application Number
- CN202422624249.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-29
AI Technical Summary
When machining high-precision workpieces on a milling machine, manually adjusting the angle of the fixture makes it difficult to accurately control the force and rotation speed, leading to workpiece damage and a decrease in machining quality.
The device employs a gear meshing structure, with the base and rotating disk secured by bolts. A hex wrench is used to rotate the internal hexagonal block, which drives the first gear to achieve gear meshing transmission. When adjusting the clamp angle, the abutment bolt is loosened, and the reduction effect of the dial and spur gear ensures the accuracy of angle adjustment.
It improves the accuracy and stability of fixture angle adjustment, avoids workpiece damage, and enhances processing quality and efficiency.
Smart Images

Figure CN223588817U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of milling machine clamp, concretely is quick mounting and unmounting clamp of milling machine. BACKGROUND
[0002] Quick mounting and unmounting clamp of milling machine is the key tool in milling machine processing, can quickly fix workpiece and ensure processing stability and precision, improves production efficiency simultaneously, and common quick mounting and unmounting clamp has quick flat mouthed forceps, vice and special fixture etc., they are simple to operate, and clamping force is strong, can adapt to different workpiece demand, need to select appropriate clamp when using, follow correct operation steps, and check and maintain regularly, to ensure performance and safety, in general, quick mounting and unmounting clamp of milling machine is important for improving milling machine processing efficiency and precision.
[0003] At present, quick mounting and unmounting clamp of milling machine is widely used in clamping small or medium-sized workpiece, and its outstanding stability and precision provide reliable guarantee for workpiece processing, and some specific clamps also have angle rotating function, and this characteristic greatly enhances its applicability in different working environments, however, in actual use process, especially when processing high-precision workpiece, manually adjusting the angle of clamp has certain difficulty, since the operator is difficult to accurately control the intensity and rotating speed of adjustment, may cause unnecessary damage to workpiece, thereby influence processing quality, this problem not only reduces the use convenience of quick mounting and unmounting clamp of milling machine, but also brings certain risk to the processing of high-precision workpiece. CONTENT OF THE UTILITY MODEL
[0004] Based on this, the utility model aims at providing quick mounting and unmounting clamp of milling machine to solve the technical problem that manually adjusting the clamp is difficult to accurately control the intensity and rotating speed of adjustment.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: quick mounting and unmounting clamp of milling machine, including mounting plate, base, the top of base is provided with clamping seat, the inside of clamping seat is provided with second gear, the outside of second gear is engaged with first gear, the top of clamping seat is provided with rotating disc, the top of rotating disc is provided with dial, the top of first gear is provided with internal hexagonal block.
[0006] By adopting the technical scheme, when the milling machine clamp is used, first, the base is fixed on the T-shaped slot of the mounting plate through the bolts, and the clamping seat is tightly fixed with the rotating disc through the abutting bolt, at this time, the first gear and the second gear are in meshing state, and the rotating disc is locked and cannot rotate, when the angle of the clamping block needs to be adjusted, the abutting bolt is loosened first to release the locking of the rotating disc, then the hexagonal wrench is used to rotate the internal hexagonal block, thereby driving the first gear to rotate, and since the first gear and the second gear are in meshing relationship, the second gear is also driven to rotate, further driving the rotating disc and the clamp body to rotate together, when the clamp body rotates to the required angle position, the abutting bolt is tightened again to lock the rotating disc, thereby completing the angle adjustment operation of the clamp body, in the process, the second gear with large tooth diameter is driven by the first gear with small tooth diameter, and the speed reduction effect is realized.
[0007] Further, the outer surface of the base is provided with a mounting groove, which is arranged in equidistant annular shape along the central axis of the base.
[0008] By adopting the technical scheme, the mounting groove provided on the outer surface of the base provides a stable mounting position for the bolt, so that the base can be firmly fixed on the mounting plate, and the mounting groove is arranged in equidistant annular shape along the central axis of the base, which ensures that the stress of the base is uniform, preventing the base from tilting or being unstable due to improper installation.
[0009] Further, the top of the rotating disc is provided with a clamp body, and three clamping blocks are arranged on the clamp body for clamping the workpiece to be machined.
[0010] By adopting the technical scheme, the clamp body provided on the top of the rotating disc provides a stable clamping platform for the workpiece, and the three clamping blocks arranged on the clamp body can ensure the stability and accuracy of the workpiece during machining, effectively preventing the movement or deviation of the workpiece.
[0011] Further, the first gear and the second gear are both spur gears for providing the rotating effect of the clamp body.
[0012] By adopting the technical scheme, the first gear and the second gear are both spur gears, which simplifies the manufacturing and installation process of the gears and reduces the cost, and the transmission efficiency of the spur gear is high, which can effectively transmit the rotating force to the clamp body.
[0013] Further, the surface of the dial is provided with a plurality of scale grooves for prompting the rotating angle.
[0014] By adopting the technical scheme, the plurality of scale grooves provided on the surface of the dial provide an intuitive rotating angle reference for the operator, which enables the operator to accurately know the current rotating angle when adjusting the angle of the clamp body, thereby ensuring that the workpiece is accurately positioned at the required position.
[0015] Furthermore, the surface of the card holder is provided with a fixing groove, and the inside of the fixing groove is threaded with an abutment bolt, which abuts against the rotating disk.
[0016] By adopting the above technical solution, the fixing groove opened on the surface of the card holder provides an accurate position for the installation of bolts, ensuring the stability and accuracy of bolts. Through the threaded connection of the bolts inside the fixing groove, the bolts are tightly fixed to the card holder.
[0017] Furthermore, the surface of the mounting plate is provided with multiple T-shaped grooves, which are threadedly connected to the base by bolts.
[0018] By adopting the above technical solution, the multiple T-slots on the surface of the mounting plate provide multiple optional positions for the installation of the base, increasing the flexibility and adaptability of the clamp installation. The clamp is stably and firmly installed on the mounting plate by bolts threaded into the T-slots and connecting to the base.
[0019] In summary, the present invention has the following main advantages:
[0020] This invention utilizes a first gear and a second gear. When using a milling machine fixture, the base is first fixed to the T-slot of the mounting plate with bolts, and the chuck is fixed to the rotating disk with abutment bolts. At this time, the two gears are in a meshing state, and the rotating disk cannot rotate. When it is necessary to adjust the angle of the clamping block, the abutment bolts are first loosened to release the fixing of the rotating disk. Then, the internal hexagonal block is rotated with a hex wrench, which drives the first gear to rotate. At the same time, due to the meshing of the gears, the second gear is also driven, which causes the rotating disk and the fixture body to rotate together. When the fixture body rotates to the appropriate angle, the abutment bolts are tightened again to fix the rotating disk, completing the angle adjustment. During this process, the large-diameter second gear is driven by the small-diameter first gear, achieving a deceleration effect, improving the accuracy of adjustment, and avoiding the instability of direct manual operation. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0022] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A;
[0023] Figure 3 This is a schematic diagram of the structure of the second gear of this utility model;
[0024] Figure 4 This utility model Figure 3 Enlarged structural diagram at point B.
[0025] Fig. 1, mounting plate; 2, T-shaped slot; 3, base; 4, mounting slot; 5, bolt; 6, rotating disc; 7, dial; 8, abutting bolt; 9, first gear; 10, clamp body; 11, clamp block; 12, clamping seat; 13, second gear; 14, inner hex block; 15, fixing groove. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation on the utility model.
[0027] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model, and in addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0028] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected: it can be mechanically connected, or it can be electrically connected: it can be directly connected, or it can be indirectly connected through an intermediate medium: it can be the communication inside two elements, and for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0029] The embodiments will be described below according to the overall structure of the utility model.
[0030] Embodiment one:
[0031] The quick mounting and dismounting clamp of the milling machine, such as Figures 1-4As shown, including the mounting plate 1, base 3, the top of the base 3 is provided with the card seat 12, the inside of the card seat 12 is provided with the second gear 13, the outside of the second gear 13 is engaged with the first gear 9, the top of the card seat 12 is provided with the rotating disc 6, the top of the rotating disc 6 is provided with the dial 7, the top of the first gear 9 is provided with the internal hex block 14, when using the milling machine clamp, first, the base 3 is fixed on the T-shaped groove 2 of the mounting plate 1 through the bolt 5, at the same time, the card seat 12 and the rotating disc 6 are tightly fixed through the abutting bolt 8, at this time, the first gear 9 and the second gear 13 are in meshing state, the rotating disc 6 is locked and cannot rotate, when the angle of the clamp block 11 needs to be adjusted, the abutting bolt 8 is loosened first, the locking of the rotating disc 6 is released, then, the internal hex block 14 is rotated by using the hex wrench, thereby driving the first gear 9 to rotate, at the same time, due to the meshing relationship between the first gear 9 and the second gear 13, the second gear 13 is also driven to rotate, further driving the rotating disc 6 and the clamp body 10 to rotate together, when the clamp body 10 rotates to the required angle position, the abutting bolt 8 is tightened again to lock the rotating disc 6, thereby completing the angle adjustment operation of the clamp body 10, in this process, the second gear 13 with large tooth diameter is driven by the first gear 9 with small tooth diameter, the speed reduction effect is realized, and the accuracy of the angle adjustment of the clamp body 10 is improved.
[0032] Referring to Figure 1 , Figure 2 , Figure 3 , the outer surface of the base 3 is provided with the mounting groove 4, the mounting groove 4 is arranged in equidistant annular along the central axis of the base 3, the mounting groove 4 provided on the outer surface of the base 3 provides stable mounting position for the bolt 5, so that the base 3 can be firmly fixed on the mounting plate 1, the mounting groove 4 is arranged in equidistant annular along the central axis of the base 3, which ensures that the stress of the base 3 is uniform, prevents the base from tilting or being unstable due to improper installation, at the same time, the equidistant annular arrangement also makes it possible to flexibly select the fixing point during installation, which is convenient for adjusting the installation position according to the actual situation, improves the flexibility and accuracy of installation, not only enhances the stability and safety of the clamp, but also facilitates the installation operation.
[0033] Referring to Figure 1 , Figure 2 , the top of the rotating disc 6 is provided with the clamp body 10, the clamp body 10 is provided with three clamp blocks 11 for clamping the workpiece to be processed, the clamp body 10 provided on the top of the rotating disc 6 provides a stable clamping platform for the workpiece, the three clamp blocks 11 provided on the clamp body 10 can ensure the stability and accuracy of the workpiece during processing, effectively prevent the movement or deviation of the workpiece, at the same time, the three clamp blocks 11 make the workpiece can be firmly clamped from multiple angles, adapt to different shapes and sizes of workpieces, improve the versatility and flexibility of the clamp, not only ensure the stable clamping of the workpiece, but also improve the precision and efficiency of processing.
[0034] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , the first gear 9 and the second gear 13 are spur gears, which are used to provide a rotating effect on the clamp body 10. The first gear 9 and the second gear 13 are spur gears, which simplify the manufacturing and installation process of the gears, reduce costs, and have high transmission efficiency, effectively transmitting the rotating force to the clamp body 10. At the same time, the meshing of the spur gears is stable and smooth, ensuring the stability and accuracy of the clamp body 10 during adjustment. In addition, the meshing of the two gears achieves a reduction effect, allowing the operator to control more finely when adjusting the angle of the clamp, improving the convenience and accuracy of operation. The spur gears provide a stable and accurate rotating effect for the clamp body 10.
[0035] Referring to Figure 1 , Figure 2 , the surface of the dial 7 is provided with a plurality of scale grooves for indicating the rotation angle. The plurality of scale grooves on the surface of the dial 7 provide the operator with an intuitive reference for the rotation angle, which allows the operator to accurately know the current rotation angle when adjusting the angle of the clamp body 10, ensuring that the workpiece is accurately positioned at the desired location. At the same time, the design of the scale grooves improves the convenience of operation, allowing the operator to quickly find the target angle without the need for repeated measurement and adjustment. The scale grooves on the dial 7 not only improve the accuracy of clamp adjustment, but also improve the efficiency and convenience of operation.
[0036] Example Two:
[0037] Referring to Figure 3 , Figure 4 , the surface of the card holder 12 is provided with a fixing groove 15, and the inside of the fixing groove 15 is threadedly connected with an abutting bolt 8. The abutting bolt 8 abuts against the rotating disc 6. The fixing groove 15 on the surface of the card holder 12 provides an accurate position for the installation of the abutting bolt 8, ensuring the stability and accuracy of the abutting bolt 8. Through the threaded connection of the abutting bolt 8 inside the fixing groove 15, the bolt 5 is tightly fixed with the card holder 12. At the same time, the abutting of the abutting bolt 8 and the rotating disc 6 further ensures the stability and position accuracy of the rotating disc 6, preventing accidental movement of the rotating disc 6 during processing. This not only improves the overall stability and safety of the clamp, but also facilitates the operator to accurately adjust the clamp during use. The design of the card holder 12 and its interaction with the abutting bolt 8 and the rotating disc 6 provide an important guarantee for the efficient and stable use of the clamp.
[0038] Referring to Figure 1 , Figure 2 , Figure 3The surface of the mounting plate 1 is provided with a plurality of T-shaped grooves 2, the T-shaped grooves 2 are threadedly connected with the base 3 through bolts 5, the plurality of T-shaped grooves 2 provided on the surface of the mounting plate 1 provide a plurality of optional positions for the mounting of the base 3, and the flexibility and adaptability of the clamp mounting are increased, the bolts 5 are threadedly connected with the base 3 in the T-shaped grooves 2, so that the clamp can be stably and firmly mounted on the mounting plate 1, meanwhile, the T-shaped grooves 2 also enhance the rigidity and stability of the connection, effectively prevent the clamp from shaking or shifting during use, and the connection mode of the T-shaped grooves 2 and the bolts 5 not only ensures the stability of the clamp mounting, but also provides the diversity of the mounting position, so that the clamp can better adapt to different processing requirements.
[0039] The implementation principle of the utility model is: when using the milling machine clamp, first, the bolt 5 installs the base 3 on the T-shaped groove 2 of the mounting plate 1 through the installation groove 4, then the clamping seat 12 is abutted and fixed with the rotating disc 6 through the abutment bolt 8, at this time, the first gear 9 and the second gear 13 are in meshing state, and the rotating disc 6 is in the form of non-rotation, when the angle of the clamping block 11 needs to be adjusted, the abutment bolt 8 is screwed, the abutment force of the abutment bolt 8 on the rotating disc 6 is removed, then the hexagonal wrench is used to rotate the inner hexagonal block 14, so as to drive the synchronous rotation of the first gear 9, at the same time, the second gear 13 drives the rotating disc 6 and the clamp main body 10 to rotate, until the clamp main body 10 is rotated to the appropriate angle position, the abutment bolt 8 is screwed, and the rotating disc 6 is abutted and limited again, the angle adjustment operation of the clamp main body 10 is completed, in the adjustment process, the second gear 13 is driven to rotate by the first gear 9, because the tooth diameter of the second gear 13 is greater than that of the first gear 9, so the speed reduction effect can be achieved in the rotating process, so as to improve the angle adjustment accuracy of the clamp main body 10, and avoid the instability of direct operation by hand.
[0040] The parts not involved in the utility model are the same as or can be realized by the prior art, and will not be described in detail here.
[0041] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A quick change fixture for a milling machine, characterised in that: Including installation board (1), base (3), the top of base (3) is provided with clamping seat (12), the inside of clamping seat (12) is provided with second gear (13), the outside of second gear (13) is engaged with first gear (9), the top of clamping seat (12) is provided with rotary disc (6), the top of rotary disc (6) is provided with dial (7), the top of first gear (9) is provided with internal hex block (14).
2. The quick change fixture for a milling machine of claim 1, wherein: The outer surface of base (3) is provided with installation groove (4), and the installation groove (4) is arranged in equidistant annular along the central axis of base (3).
3. The quick change fixture for a milling machine of claim 1, wherein: The top of rotary disc (6) is provided with clamp body (10), and three clamp blocks (11) are arranged on the clamp body (10) for clamping the workpiece to be machined.
4. The quick change fixture for a milling machine of claim 1, wherein: The first gear (9) and the second gear (13) are both spur gears for providing the rotating effect of the clamp body (10).
5. The quick change fixture for a milling machine of claim 1, wherein: The surface of dial (7) is provided with a plurality of scale grooves for prompting the rotating angle.
6. The quick change fixture for a milling machine of claim 1, wherein: The surface of clamping seat (12) is provided with fixing groove (15), the inside of fixing groove (15) is screw-connected with abutting bolt (8), and the abutting bolt (8) abuts against rotary disc (6).
7. The quick change fixture for a milling machine of claim 1, wherein: The surface of installation board (1) is provided with a plurality of T-shaped grooves (2), and the T-shaped grooves (2) are screw-connected with base (3) through bolts (5).