Positioning mechanism of numerical control straight bar cutting machine
The positioning mechanism of the CNC straight bar cutting machine utilizes the motor-driven lead screw and gear meshing to achieve linear motion of the cutting mechanism. Combined with a dual positioning mechanism, it solves the problems of low efficiency and difficulty in guaranteeing accuracy in traditional cutting, achieving efficient and precise cutting results and operational flexibility.
Patent Information
- Application Number
- CN202520764239.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Traditional steel plate cutting processes are inefficient and difficult to guarantee accuracy, especially when large batches or high precision are required. They also have poor adaptability to cutting different widths and require frequent changes of fixtures or adjustments to equipment.
The positioning mechanism of the CNC straight bar cutting machine is adopted. The linear motion of the cutting mechanism is achieved by driving the lead screw with the first forward and reverse motor. Combined with the meshing of the gear and transmission rack driven by the second forward and reverse motor, the steel plate is initially and secondly positioned using dual positioning components (first positioning component and second positioning component) to ensure cutting accuracy and stability.
It achieves efficient and precise cutting operations, ensuring the flatness and positional accuracy of the cutting line, adapting to different width cutting requirements, improving operational flexibility and production efficiency, reducing manual intervention, and enhancing the stability of the cutting process and the precision of the final product.
Smart Images
Figure CN223776164U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cutting machine technical field, especially a positioning mechanism of numerical control straight bar cutting machine. BACKGROUND
[0002] In the traditional steel plate cutting process, usually adopts the way of manual scribing and manual operation cutting equipment to carry out straight bar cutting, this method is not only inefficient, and cutting precision is difficult to guarantee, especially when processing large quantities or high precision requirement workpiece, its limitation is more obvious. In addition, the adaptability of traditional cutting mode for different width cutting is poor, often needs to replace different clamps or adjust equipment, which further increases the working complexity and time cost. Therefore, we put forward a positioning mechanism of numerical control straight bar cutting machine. SUMMARY
[0003] The main purpose of the utility model is to provide a positioning mechanism of numerical control straight bar cutting machine, which can effectively solve the problems in the background art.
[0004] To achieve the above purpose, the technical scheme adopted by the utility model is:
[0005] A positioning mechanism of numerical control straight bar cutting machine, comprising a machining table, the upper end of the machining table is fixedly installed with a column at four corners, the upper end of the front and rear two columns on the same side is fixedly installed with a fixed frame, the opposite ends of the two fixed frames are opened with T-shaped sliding grooves, a cutting mechanism is slidably connected in the two T-shaped sliding grooves, and a first positioning piece is arranged on the upper end of the machining table.
[0006] The cutting mechanism comprises a moving frame, T-shaped sliding blocks are fixedly welded at the left and right ends of the moving frame, the two T-shaped sliding blocks are slidably connected in the T-shaped sliding grooves on the two sides, an upper and lower movable slot is opened in the upper end of the moving frame, a cutting main body is slidably connected in the movable slot, a U-shaped transmission frame is fixedly installed on the upper end of the moving frame, and a transmission rack is fixedly connected to the lower end of the upper part of the U-shaped transmission frame.
[0007] Preferably, the front end of one of the fixed frames is fixedly installed with a first reversible motor, the output end of the first reversible motor is fixedly connected with a lead screw, and the lead screw is movably installed in the T-shaped sliding groove and is threadedly connected with the T-shaped sliding block.
[0008] By adopting the above technical scheme: the linear motion of the cutting mechanism is realized by using the first reversible motor to drive the lead screw, so that efficient and accurate cutting operation is completed, and the flatness of the cutting line and the accuracy of the cutting position are ensured.
[0009] Preferably, the cutting body comprises a movable block in sliding connection with the movable groove, the lower end of the movable block is fixedly connected with an installation plate, the lower end of the installation plate is fixedly connected with a first electric telescopic rod, the lower end of the first electric telescopic rod is fixedly connected with a lifting plate, the lower end of the lifting plate is fixedly connected with a cutting machine, two second positioning members are arranged on the lifting plate and are symmetrically distributed on the two sides of the cutting machine.
[0010] By adopting the above technical scheme: the two second positioning members on the lifting plate are used for secondary pressing and positioning of the steel plate, the shaking problem that may occur in the cutting process is effectively avoided, the double positioning mechanism is adopted in cooperation with the first positioning member, and the stability in the cutting process and the cutting precision of the final product are greatly improved.
[0011] Preferably, the upper end of the movable block is fixedly connected with a mounting seat, one end of the mounting seat is fixedly connected with a second reversible motor, the output end of the second reversible motor is fixedly connected with a driving gear, and the driving gear is in meshing connection with a transmission rack at the lower end of the U-shaped transmission frame.
[0012] By adopting the above technical scheme: the meshing connection of the second reversible motor driving gear and the transmission rack is used for accurately adjusting the cutting width, the equipment can also adapt to the cutting requirements of straight bars with different widths, and the flexibility of operation is improved.
[0013] Preferably, the second positioning member comprises a guide column, the guide column is in sliding connection with the lifting plate, the upper end of the guide column is fixedly connected with an anti-dropping plate, the lower end of the guide column is fixedly connected with a positioning pressing wheel, the upper end of the positioning pressing wheel is fixedly connected with a buffer spring, and the buffer spring is coaxially arranged with the guide column and is fixedly connected with the lifting plate at the upper end.
[0014] By adopting the above technical scheme: the second positioning member uses the positioning pressing wheel to apply pressure downward through the buffer spring to press and position the steel plate again, and the shaking problem that may occur in the cutting process is effectively avoided.
[0015] Preferably, the first positioning member comprises a fixed plate, two fixed plates are symmetrically arranged on the upper end of the machining table, a second electric telescopic rod is penetratingly connected to the middle of each fixed plate, and a positioning plate is fixedly connected to the opposite end of each second electric telescopic rod.
[0016] By adopting the above technical scheme: the second electric telescopic rod and the positioning plate in the first positioning member can quickly align and fix the steel plate placed on the machining table, and the accuracy of the initial position is ensured.
[0017] Preferably, guide grooves are formed in the upper end of the machining table, and two guide blocks are integrally formed at the lower end of each positioning plate and are in sliding connection with the guide grooves.
[0018] By adopting the above technical scheme: the guide block at the lower end of the positioning plate is in sliding connection with the guide groove on the machining table, ensuring smooth and accurate positioning.
[0019] Compared with the prior art, the positioning mechanism has the following beneficial effects:
[0020] 1. Through the cooperative work of the first positioning member and the second positioning member, the initial and secondary positioning of the steel plate is realized. The second electric telescopic rod in the first positioning member and the positioning plate can quickly align and fix the steel plate placed on the machining table, ensuring the accuracy of the initial position. The second positioning member uses the positioning pressure roller to apply downward pressure through the buffer spring to perform secondary pressing and positioning on the steel plate, effectively avoiding the shaking problem that may occur during cutting. This double positioning mechanism greatly improves the stability during cutting and the cutting accuracy of the final product.
[0021] 2. The cutting width is accurately adjusted through the meshing of the second forward-reverse motor drive gear and the transmission rack, and the linear motion of the cutting mechanism is realized by using the first forward-reverse motor drive screw, thereby completing efficient and accurate cutting operations. This design not only ensures the flatness of the cutting line and the accuracy of the cutting position, but also enables the equipment to adapt to different width straight bar cutting requirements, increasing the flexibility of operation. In addition, automatic control reduces the need for manual intervention, simplifies the operation process, and further improves production efficiency and user experience. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a whole structure schematic view of the positioning mechanism of the numerical control straight bar cutting machine.
[0023] Figure 2 It is a structure schematic view of the cutting mechanism of the positioning mechanism of the numerical control straight bar cutting machine.
[0024] Figure 3 It is a structure schematic view of the first positioning member of the positioning mechanism of the numerical control straight bar cutting machine.
[0025] Figure 4 It is a structure schematic view of the cutting main body of the positioning mechanism of the numerical control straight bar cutting machine.
[0026] In the figure: 1, processing platform; 2, stand; 3, fixed frame; 4, T-shaped sliding groove; 5, cutting mechanism; 51, moving frame; 52, T-shaped sliding block; 53, movable groove; 54, cutting main body; 541, movable block; 5411, mounting seat; 5412, No. 2 forward and reverse motor; 5413, driving gear; 542, mounting plate; 543, No. 1 electric telescopic rod; 544, lifting plate; 545, cutting machine; 546, second positioning piece; 547, guide column; 548, anti-dropping plate; 549, positioning pressure roller; 550, buffer spring; 55, U-shaped transmission frame; 56, transmission rack; 6, No. 1 forward and reverse motor; 7, screw; 8, No. 1 positioning piece; 81, fixed plate; 82, No. 2 electric telescopic rod; 83, positioning plate; 84, guide block; 11, guide groove. DETAILED DESCRIPTION
[0027] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0028] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0029] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0031] A positioning mechanism of a numerical control straight bar cutting machine, comprising a processing platform 1, the upper end of the processing platform 1 is fixedly provided with a stand 2 at four corners, the upper ends of the two stands 2 located on the same side are fixedly provided with a fixed frame 3, the opposite ends of the two fixed frames 3 are provided with a T-shaped sliding groove 4, a cutting mechanism 5 is slidably connected in the two T-shaped sliding grooves 4, and the upper end of the processing platform 1 is provided with a No. 1 positioning piece 8.
[0032] In the embodiment, the cutting mechanism 5 includes a moving frame 51, both ends of which are fixedly welded with T-shaped sliding blocks 52, the two T-shaped sliding blocks 52 are slidingly connected in the T-shaped sliding grooves 4 on both sides respectively, the upper end of the moving frame 51 is provided with an up-and-down through movable slot 53, a cutting main body 54 is slidingly connected in the movable slot 53, the upper end of the moving frame 51 is fixedly installed with a U-shaped transmission frame 55, the lower end of the upper part of the U-shaped transmission frame 55 is fixedly connected with a transmission rack 56; the front end of one fixed frame 3 is fixedly installed with a first forward-reverse motor 6, the output end of the first forward-reverse motor 6 is fixedly connected with a lead screw 7, the lead screw 7 is movably installed in the T-shaped sliding groove 4 and is threadedly connected with the T-shaped sliding block 52; the cutting main body 54 includes a movable block 541 slidingly connected with the movable slot 53, the lower end of the movable block 541 is fixedly and integrally formed with a mounting plate 542, the lower end of the mounting plate 542 is fixedly connected with a first electric telescopic rod 543, the lower end of the first electric telescopic rod 543 is fixedly connected with a lifting plate 544, the lower end of the lifting plate 544 is fixedly installed with a cutting machine 545, the lifting plate 544 is provided with two second positioning pieces 546, and the two second positioning pieces 546 are symmetrically distributed on both sides of the cutting machine 545; the upper end of the movable block 541 is fixedly connected with a mounting seat 5411, one end of the mounting seat 5411 is fixedly installed with a second forward-reverse motor 5412, the output end of the second forward-reverse motor 5412 is fixedly connected with a drive gear 5413, and the drive gear 5413 is engaged with the transmission rack 56 at the lower end of the U-shaped transmission frame 55.
[0033] Through the above scheme: the engagement of the drive gear 5413 of the second forward-reverse motor 5412 and the transmission rack 56 can accurately adjust the cutting width, and the linear motion of the cutting mechanism 5 is realized by the first forward-reverse motor 6 driving the lead screw 7, so that efficient and accurate cutting operation is completed, which not only ensures the flatness of the cutting line and the accuracy of the cutting position, but also enables the equipment to adapt to the cutting needs of straight bars of different widths, increases the flexibility of operation. In addition, automatic control reduces the need for manual intervention, simplifies the operation process, and further improves production efficiency and user experience.
[0034] In the embodiment, the second positioning member 546 comprises a guide column 547, the guide column 547 is in sliding insertion connection with the lifting plate 544, the upper end of the guide column 547 is fixedly connected with an anti-off plate 548, the lower end of the guide column 547 is fixedly connected with a positioning pressure roller 549, the upper end of the positioning pressure roller 549 is fixedly connected with a buffer spring 550, the buffer spring 550 is coaxially arranged with the guide column 547 and the upper end is fixedly connected with the lifting plate 544; the first positioning member 8 comprises a fixed plate 81, the fixed plate 81 is arranged in pairs and symmetrically on the upper end of the machining table 1, the middle part of the two fixed plates 81 is in insertion connection with a second electric telescopic rod 82, the opposite end of the two second electric telescopic rods 82 is fixedly connected with a positioning plate 83; the upper end of the machining table 1 is provided with a guide groove 11 on the left and right sides, the lower end of the two positioning plates 83 is integrally formed with two guide blocks 84 in sliding connection with the guide groove 11.
[0035] Through the above scheme: the second electric telescopic rod 82 and the positioning plate 83 in the first positioning member 8 can quickly correct and fix the steel plate placed on the machining table 1, ensuring the accuracy of the initial position; and the second positioning member 546 uses the positioning pressure roller 549 to apply pressure downward through the buffer spring 550 to press and position the steel plate again, effectively avoiding the shaking problem that may occur in the cutting process, and this double positioning mechanism greatly improves the stability in the cutting process and the cutting precision of the final product.
[0036] It needs to be explained that the utility model discloses a positioning mechanism of numerical control straight bar cutting machine, in the use process, first, the steel plate to be cut is placed on the upper end of the processing table 1, then the second electric telescopic rod 82 on the first positioning piece 8 is started, the second electric telescopic rod 82 is used to push the positioning plate 83 to move to the side close to the steel plate, until the two positioning plates 83 cooperate to right the steel plate and fix on the upper end of the processing table 1, the guide block 84 at the lower end of the positioning plate 83 is slidably connected with the guide groove 11 on the processing table 1, ensuring that the positioning process is stable and accurate, next, the second forward and reverse motor 5412 on the mounting seat 5411 is started, the second forward and reverse motor 5412 drives the driving gear 5413 to rotate, since the driving gear 5413 is engaged with the transmission rack 56 at the lower end of the U-shaped transmission frame 55, this makes the movable block 541 can slide accurately in the movable groove 53, thereby adjusting the position of the cutting machine 545 to adapt to the requirement of the required cutting width, when the cutting width adjustment is completed, the first electric telescopic rod 543 is started, the first electric telescopic rod 543 is used to push the lifting plate 544 to move downwards, so that the cutting machine 545 contacts the steel plate to be cut, and prepares to start the cutting operation, at the same time, the positioning press wheel 549 applies appropriate pressure downwards through the action of the buffer spring 550, and the steel plate is positioned again, this step not only can avoid unnecessary shaking of the steel plate during cutting, but also further improves the cutting precision, after the above work is completed, the first forward and reverse motor 6 is started, the first forward and reverse motor 6 drives the screw rod 7 to rotate, through the threaded connection between the screw rod 7 and the T-shaped sliding block 52, the whole cutting mechanism 5 moves stably along the T-shaped sliding groove 4 on the fixed frame 3, in this process, the cutting machine 545 starts to perform accurate straight cutting operation on the steel plate.
[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A positioning mechanism of a numerical control straight bar cutting machine comprising a machining table (1), characterized in that: The upper end of the processing table (1) is fixedly provided with a column (2) at each corner, and the upper ends of the two columns (2) on the same side are fixedly provided with a fixed frame (3), and the opposite ends of the two fixed frames (3) are provided with a T-shaped sliding groove (4), and the two T-shaped sliding grooves (4) are slidably connected with a cutting mechanism (5), and the upper end of the processing table (1) is provided with a first positioning piece (8). The cutting mechanism (5) comprises a moving frame (51), and the left and right ends of the moving frame (51) are fixedly welded with T-shaped sliding blocks (52), and the two T-shaped sliding blocks (52) are slidably connected in the two T-shaped sliding grooves (4) respectively, and the upper end of the moving frame (51) is provided with an upper and lower through movable slot (53), and the movable slot (53) is slidably connected with a cutting main body (54), and the upper end of the moving frame (51) is fixedly provided with a U-shaped transmission frame (55), and the lower end of the upper part of the U-shaped transmission frame (55) is fixedly connected with a transmission rack (56).
2. The positioning mechanism of a numerical control straight bar cutting machine according to claim 1, characterized in that: The front end of one of the fixed frames (3) is fixedly provided with a first reversible motor (6), and the output end of the first reversible motor (6) is fixedly connected with a lead screw (7), and the lead screw (7) is movably installed in the T-shaped sliding groove (4) and is threadedly connected with the T-shaped sliding block (52).
3. The positioning mechanism of a numerical control straight bar cutting machine according to claim 1, characterized in that: The cutting main body (54) comprises a movable block (541) slidably connected with the movable slot (53), and the lower end of the movable block (541) is fixedly and integrally provided with a mounting plate (542), and the lower end of the mounting plate (542) is fixedly connected with a first electric telescopic rod (543), and the lower end of the first electric telescopic rod (543) is fixedly connected with a lifting plate (544), and the lower end of the lifting plate (544) is fixedly installed with a cutting machine (545), and the lifting plate (544) is provided with two second positioning pieces (546), and the two second positioning pieces (546) are symmetrically distributed on the two sides of the cutting machine (545).
4. The positioning mechanism of a numerical control straight bar cutting machine according to claim 3, characterized in that: The upper end of the movable block (541) is fixedly connected with a mounting seat (5411), and one end of the mounting seat (5411) is fixedly provided with a second reversible motor (5412), and the output end of the second reversible motor (5412) is fixedly connected with a driving gear (5413), and the driving gear (5413) is engaged with the transmission rack (56) at the lower end of the U-shaped transmission frame (55).
5. The positioning mechanism of a numerical control straight bar cutting machine according to claim 3, characterized in that: The second positioning piece (546) comprises a guide column (547), and the guide column (547) is slidably connected with the lifting plate (544), and the upper end of the guide column (547) is fixedly connected with an anti-dropping plate (548), and the lower end of the guide column (547) is fixedly connected with a positioning pressure roller (549), and the upper end of the positioning pressure roller (549) is fixedly connected with a buffer spring (550), and the buffer spring (550) is coaxially arranged with the guide column (547) and is fixedly connected with the lifting plate (544) at the upper end.
6. The positioning mechanism of a numerical control straight bar cutting machine according to claim 1, characterized in that: The first positioning member (8) comprises a fixed plate (81), two fixed plates (81) are symmetrically arranged on the upper end of the machining table (1), the middle part of the two fixed plates (81) is connected with a second electric telescopic rod (82), and the opposite end of the second electric telescopic rod (82) is fixedly connected with a positioning plate (83).
7. A positioning mechanism for a numerical control straight bar cutting machine according to claim 6, characterized in that: The upper end of the machining table (1) is provided with a guide groove (11), and the lower end of the two positioning plates (83) is integrally formed with two guide blocks (84) which are slidably connected with the guide groove (11).