Press machine main gear rotation angle detection device

Abstract

The utility model relates to the technical field of press machine detection, in particular to a press machine main gear rotation angle detection device which comprises a flange plate, a universal coupling, a support, a first spacer bush and a speed reducer support. A support is installed at the front end of a cross beam of the press machine, a supporting seat is arranged on the support, a bearing is installed in a center hole of the supporting seat, a transmission shaft is embedded in the transmission shaft, a second synchronous belt wheel is sleeved at one end of the transmission shaft, and the other end of the transmission shaft is connected with a speed reducer. The two synchronous belt wheels are connected through a synchronous belt, and the speed reducer, the mechanical cam control box and the absolute value multi-circle encoder are sequentially connected. The device reduces the space occupation of the detection device, adopts the synchronous pulley and the synchronous belt for angle transmission, improves the transmission efficiency and accuracy, and achieves the purposes of changing the installation position of the detection device, facilitating the adjustment and maintenance of the equipment, and reducing the space occupation of the detection device.

Description

Technical Field

[0001] The utility model relates to the technical field of press detection, in particular to a main gear rotation angle detection device for a press. Background Art

[0002] In the traditional press structure, obtaining the rotation angle of the main gear usually relies on a complex synchronous signal sending mechanism. This mechanism generally includes a series of transmission gears meshed with the main gear, and these gears are placed in a gearbox at the top of the upper crossbeam. Through these transmission gears, the rotation angle of the main gear is transmitted to a rotary encoder, and corresponding data is obtained accordingly.

[0003] The traditional synchronous signal sending mechanism has some obvious drawbacks. First of all, since this mechanism is installed at the top of the crossbeam, it inevitably increases the height of the entire machine tool, which is inconvenient for the layout and space utilization in factories and production environments with limited space; secondly, the particularity of the installation position makes this synchronous signal sending mechanism extremely inconvenient during actual operation and maintenance. Operators need to climb to high places for inspection and maintenance, which not only increases the work difficulty but also brings potential safety hazards. The additional safety measures and tools required for working at heights also increase the maintenance cost and time; the manufacturing cost of the synchronous signal sending mechanism is high. It not only requires precision-machined transmission gears but also a sturdy gearbox to protect the internal components from the external environment, directly increasing the overall manufacturing cost of the press. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] The utility model provides a main gear rotation angle detection device for a press to overcome the problem that in the prior art, the gear rotation angle detection device of the press is placed on the press crossbeam, and there are risks when workers perform maintenance work at heights.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the utility model provides a main gear rotation angle detection device for a press, including: a flange, a universal coupling, a bracket, a first spacer, and a reducer bracket;

[0008] One end of the flange is connected to the end of the intermediate gear shaft of the press through a plurality of bolts;

[0009] One end of the universal coupling is connected to the flange and the other end is connected to an intermediate shaft. A first spacer, a first synchronous pulley, and a baffle are sequentially sleeved on the right end of the intermediate shaft, and a synchronous belt is sleeved on the first synchronous pulley;

[0010] The synchronous belt connects the first synchronous pulley and the second synchronous pulley;

[0011] The bracket is installed at the front end of the crossbeam of the press through a number of bolts. Two annular support seats are provided at the upper end of the bracket. Bearings are provided in the central holes of the annular support seats. A transmission shaft is embedded in the bearings. A second synchronous pulley and a second spacer sleeve are respectively sleeved on the outer wall of the center of the transmission shaft. The right end of the transmission shaft is connected to a speed reducer.

[0012] The speed reducer is positioned by a bearing seat and a speed reducer bracket. The speed reducer is connected to a mechanical cam control box by a coupling. The mechanical cam control box is connected to an absolute multi-turn encoder.

[0013] Preferably, it further includes: a number of retaining rings, which are respectively arranged at both ends of the bearing, and the retaining rings limit the bearing.

[0014] Preferably, the second spacer sleeve sleeved on the outer wall of the transmission shaft is arranged at the right end of the second synchronous pulley.

[0015] Preferably, the second spacer sleeve is closely attached to the transmission shaft, and the second spacer sleeve limits the second synchronous pulley.

[0016] Preferably, the bearing seat and the speed reducer bracket are arranged at the upper end of the bracket.

[0017] Preferably, the absolute multi-turn encoder can still retain the information of the angular position after the power is turned off.

[0018] Preferably, the coupling is respectively connected to the output shaft of the speed reducer and the input shaft of the mechanical cam control box.

[0019] Preferably, the speed reducer bracket is of a rectangular structure, and the speed reducer is embedded in the speed reducer bracket.

[0020] Preferably, the transmission shaft is of a cylindrical structure, a stepped portion with an outer edge is provided in the center of the transmission shaft, and both ends of the transmission shaft are positioned by two annular support seats.

[0021] (III) Beneficial effects

[0022] The utility model provides a main gear rotation angle detection device for a press, which can realize connecting the intermediate gear shaft of the press through a flange plate, so that the whole detection device is closely combined with the main body of the press, reducing the occupation of extra space; the first synchronous pulley and the second synchronous pulley transfer angles through a synchronous belt, with high transmission efficiency and effectively reducing errors during transmission; the combined use of the first synchronous pulley and the second synchronous pulley ensures the continuity and accuracy of angle transfer; by connecting a reduction gearbox to a mechanical cam control box, the rotation angle of the main gear can be accurately transmitted to an absolute multi-turn encoder, realizing high-precision angle detection; it is convenient to disassemble and maintain between various components, reducing the later maintenance cost and time; the use of a coupling makes the connection between the reduction gearbox and the mechanical cam control box more firm and reliable, thus achieving the purpose of changing the installation position of the detection device, facilitating the adjustment and maintenance of the equipment, and reducing the space occupation of the inspection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. shows a schematic structural diagram of a main gear rotation angle detection device for a press according to the utility model;

[0024] Figure 2 shows Figure 1 sectional view A-A in;

[0025] Figure 3 shows Figure 1 sectional view B-B in;

[0026] Figure 4 [[ID=Z2]]FIG. shows a top view structural diagram of a main gear rotation angle detection device for a press according to the utility model.

[0027] Wherein: 1: intermediate gear shaft of the press; 2: flange plate; 3: universal coupling; 4: intermediate shaft; 5: first spacer; 6: first synchronous pulley; 7: baffle; 8: synchronous belt; 9: retaining ring; 10: transmission shaft; 11: bearing; 12: second synchronous pulley; 13: second spacer; 14: bracket; 15: reduction gearbox; 16: bearing seat; 17: reduction gearbox bracket; 18: coupling; 19: mechanical cam control box; 20: absolute multi-turn encoder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present utility model will be described in detail below with reference to the drawings and embodiments.

[0029] In the description of the present utility model, it is necessary to understand that the orientation or positional relationship indicated by "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. The purpose is only to facilitate the description of the present utility model and simplify the description, and does not indicate or imply that the indicated components must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model.

[0030] As Figures 1-4 shown, the present utility model provides a main gear corner detection device for a press, including: a flange 2, a universal coupling 3, a bracket 14, a first spacer 5, and a reducer bracket 17;

[0031] One end of the flange 2 is firmly connected to the end of the intermediate gear shaft 1 of the press through a plurality of bolts, forming a solid and reliable mechanical connection, ensuring the effective transmission of power, and being able to withstand a high-pressure and high-torque working environment, thereby improving the stability and durability of the entire system;

[0032] One end of the universal coupling 3 is tightly connected to the flange 2, and the other end is connected to the intermediate shaft 4. The universal coupling 3 can adapt to angular changes and axial displacements within a certain range, thereby realizing the continuous transmission of power, and being able to adapt to certain angular changes and axial displacements. Since there may be slight angular deviations and vibrations during the operation of mechanical equipment, the flexibility of the universal coupling 3 can effectively compensate for these changes and ensure the smooth operation of the transmission system;

[0033] The right end of the intermediate shaft 4 is successively sleeved with a first spacer 5, a first synchronous pulley 6, and a baffle 7. The first spacer 5 is used to support and accurately position the first synchronous pulley 6 to ensure its correct position on the intermediate shaft 4, thereby ensuring the smoothness and accuracy of the transmission system. The baffle 7 is used to limit the axial movement of the first synchronous pulley 6 to ensure its stability during operation;

[0034] A synchronous belt 8 is sleeved on the first synchronous pulley 6. The synchronous belt 8 is simultaneously connected to the first synchronous pulley 6 and the second synchronous pulley 12. In this way, synchronous operation is achieved between the two synchronous pulleys, making the entire system more reliable and efficient during operation;

[0035] It should be noted that the first spacer 5 is in close fit with the intermediate shaft 4 to prevent the first synchronous pulley 6 from axially moving during operation, thereby improving the reliability and service life of the transmission system.

[0036] The bracket 14 is firmly installed at the front end of the crossbeam of the press through a number of bolts, forming a stable support structure, ensuring the stability of the bracket 14 under high-load conditions and being able to effectively resist the adverse effects caused by vibration and impact. There are two annular support seats provided at the upper end of the bracket 14, and bearings 11 are respectively provided in the central holes of the two annular support seats. The annular support seats are used to support and position the transmission shaft 10. The use of the bearings 11 not only reduces the friction between the transmission shaft 10 and the annular support seats, but also can bear high radial and axial loads. The positioning of the two annular support seats also ensures the accurate centering of the transmission shaft 10 during rotation, thereby improving its stability and reliability during operation;

[0037] The number of snap rings 9 are respectively provided at both ends of the bearing 11. The snap rings 9 limit the bearing 11 to prevent its axial movement. The transmission shaft 10 is embedded in the bearing 11;

[0038] The transmission shaft 10 is designed with a cylindrical structure, and there is a stepped outer edge in its center. This design helps to improve the strength and stiffness of the transmission shaft 10, so as to better bear the working conditions of high torque and high load. A second synchronous pulley 12 and a second spacer 13 are respectively sleeved on the outer wall of the transmission shaft 10. The second spacer 13 sleeved on the outer wall of the transmission shaft 10 is arranged at the right end of the second synchronous pulley 12 and is used to support and position the second synchronous pulley 12 to ensure its correct position on the transmission shaft 10;

[0039] The second synchronous pulley 12 is used to be connected with the first synchronous pulley 6 through a synchronous belt 8, so as to realize the synchronous operation of the two and ensure the effective transmission of power. The second spacer 13 is closely attached to the transmission shaft 10, effectively preventing the second synchronous pulley 12 from axially moving during operation, thereby further enhancing its stability. The second spacer 13 limits the second synchronous pulley 12, further enhancing the stability of the second synchronous pulley 12 on the transmission shaft 10 and preventing it from axially moving during operation. The right end of the transmission shaft 10 is connected to a speed reducer 15. The function of the speed reducer 15 is to change the transmission ratio of the intermediate gear shaft of the press to 1:1, facilitating the use of the mechanical cam control box 19;

[0040] The speed reducer 15 is positioned by the bearing housing 16 and the speed reducer support 17. The speed reducer support 17 is of a rectangular structure. The speed reducer 15 is embedded in the speed reducer support 17. The bearing housing 16 and the speed reducer support 17 are arranged at the upper end of the support 14 to ensure the stability and reliability of the speed reducer 15 during operation, and to avoid displacement or damage caused by vibration or external forces. The speed reducer 15 is connected to the mechanical cam control box 19 through a coupling 18. As a commonly used transmission component, the coupling 18 can transmit torque and rotational motion between the speed reducer 15 and the mechanical cam control box 19, and at the same time can also play a role in buffering and vibration reduction, protecting each component in the transmission system from impact and overload damage;

[0041] The mechanical cam control box 19 is connected to an absolute multi-turn encoder 20. The coupling 18 is respectively connected to the output shaft of the speed reducer 15 and the input shaft of the mechanical cam control box 19. The absolute multi-turn encoder 20 is a high-precision position sensor that can still retain the angular position information after the power is turned off, so as to ensure that when the power is restarted, it can quickly return to the original position, avoiding position loss and control errors caused by power failure.

[0042] The actual working scenario of a main gear angle detection device for a press will be introduced in detail below.

[0043] During the actual working process, the main gear angle detection device for the press is installed on the output shaft or the intermediate gear shaft of the speed reducer, connected to the shaft through the coupling 18, and the absolute multi-turn encoder 20 is fixed in an appropriate position, and its shaft is connected to the output shaft of the speed reducer 15 through the coupling 18 to ensure synchronous rotation of the two;

[0044] When the main motor of the press starts and drives the transmission system to operate, the absolute multi-turn encoder 20 starts to detect the rotation angle of the output shaft of the speed reducer 15 in real time. There is a rotating code disk inside the absolute multi-turn encoder 20, and there are multiple gratings or magnetic marks on the code disk. As the shaft rotates, these marks will be detected by the sensor to generate corresponding pulse signals or digital signals. The signals generated by the encoder are transmitted to the control system through a cable. The control system calculates the actual rotation angle of the main gear based on the received signals and compares it with the set value.

[0045] It can be understood that for the above-mentioned various embodiments mentioned in the present invention, without violating the principle logic, they can be combined with each other to form a combined embodiment. Due to space limitations, the present invention will not be elaborated further.

[0046] Those skilled in the art can understand that in the above method of the specific implementation manner, the writing order of each step does not mean a strict execution order that constitutes any limitation to the implementation process, and the specific execution order of each step should be determined according to its function and possible internal logic.

[0047] A main gear rotation angle detection device provided by the utility model is connected to an intermediate gear shaft 1 of a press through a flange 2, so that the whole detection device is closely combined with the press body, reducing the occupation of extra space; the angle is transmitted by using a first synchronous pulley 6, a second synchronous pulley 12 and a synchronous belt 8, with high transmission efficiency and effective reduction of errors in the transmission process; the combined use of the first synchronous pulley 6 and the second synchronous pulley 12 ensures the continuity and accuracy of angle transmission; by connecting a reduction gear 15 to a mechanical cam control box 19, the rotation angle of the main gear can be accurately transmitted to an absolute multi-turn encoder 20, realizing high-precision angle detection; the disassembly and maintenance between various components are convenient, reducing the later maintenance cost and time; the use of a coupling 18 makes the connection between the reduction gear and the mechanical cam control box more firm and reliable, so as to achieve the purpose of changing the installation position of the detection device to facilitate the adjustment and maintenance of the equipment and reduce the space occupation of the inspection device.

[0048] The embodiments of the utility model have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, the practical application or the improvement of the technology in the market, or to enable other ordinary skill in the art in the technical field to understand the embodiments disclosed herein.

Claims

1. A main gear rotation angle detection device for a press, characterized in that Including: A flange (2), a universal coupling (3), a bracket (14), a first spacer sleeve (5), and a reducer bracket (17); One end of the flange (2) is connected to the end of the intermediate gear shaft (1) of the press by a plurality of bolts; One end of the universal coupling (3) is connected to the flange (2) and the other end is connected to the intermediate shaft (4). The right end of the intermediate shaft (4) is sequentially sleeved with a first spacer sleeve (5), a first synchronous pulley (6), and a baffle (7). A synchronous belt (8) is sleeved on the first synchronous pulley (6); The synchronous belt (8) connects the first synchronous pulley (6) and the second synchronous pulley (12); The bracket (14) is installed at the front end of the press crossbeam by a plurality of bolts. Two annular support seats are provided at the upper end of the bracket (14). Bearings (11) are provided in the central holes of the annular support seats. A transmission shaft (10) is embedded in the bearings (11). A second synchronous pulley (12) and a second spacer sleeve (13) are sleeved on the outer wall of the center of the transmission shaft (10). The right end of the transmission shaft (10) is connected to a reducer (15); The reducer (15) is positioned by a bearing seat (16) and a reducer bracket (17). The reducer (15) is connected to a mechanical cam control box (19) by a coupling (18), and the mechanical cam control box (19) is connected to an absolute multi-turn encoder (20).

2. The main gear rotation angle detection device of the press according to claim 1, characterized in that Also including: A plurality of retaining rings (9), the plurality of retaining rings (9) are respectively provided at both ends of the bearing (11), and the retaining rings (9) limit the bearing (11).

3. The main gear rotation angle detection device of a press according to claim 1, characterized in that The second spacer sleeve (13) sleeved on the outer wall of the transmission shaft (10) is provided at the right end of the second synchronous pulley (12).

4. The main gear rotation angle detection device of a press according to claim 3, characterized in that, The second spacer sleeve (13) is in close fit with the transmission shaft (10), and the second spacer sleeve (13) limits the second synchronous pulley (12).

5. The main gear angle detection device of a press according to claim 1, characterized in that, The bearing seat (16) and the reducer bracket (17) are provided at the upper end of the bracket (14).

6. The main gear rotation angle detection device of the press according to claim 1, characterized in that The absolute multi-turn encoder (20) can still retain the information of the angular position after the power is turned off.

7. The press main gear rotation angle detection device according to claim 1, wherein The coupling (18) connects the output shaft of the reducer (15) and the input shaft of the mechanical cam control box (19) respectively.

8. The main gear rotation angle detection device of the press according to claim 5, characterized in that The reducer bracket (17) is of a rectangular structure, and the reducer (15) is embedded in the reducer bracket (17).

9. The press main gear rotation angle detection device according to claim 4, characterized in that, The transmission shaft (10) is of a cylindrical structure. There are steps with outer edges in the center of the transmission shaft (10), and both ends of the transmission shaft (10) are positioned by two annular support seats.

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