Automatic rapid centering and locking device
By designing an automatic fast centering locking device, automatic locking is achieved using a rotating motor, a precision planetary reducer and an electromagnetic clutch, the problems of poor locking effect and slow clamping speed in the prior art are solved, and production efficiency and operation flexibility of workpieces are improved.
Patent Information
- Application Number
- CN202420842348.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing centering locking devices have problems such as cumbersome mechanism design, poor locking effect, small coverage size, and manual locking, resulting in slow clamping speed, high difficulty and low production efficiency.
An automatic fast centering locking device is designed, including a driving mechanism and a locking mechanism. The driving mechanism consists of a rotating electric machine and a two-stage precision planetary reducer, and drives power through an electromagnetic clutch assembly. The locking mechanism realizes the horizontal and longitudinal locking of the workpiece through the tower foot fixing assembly, and can rotate 360°.
Automatic locking of workpieces is realized, clamping speed and production efficiency are improved, clamping difficulty is reduced, and workpieces can be operated flexibly.
Smart Images

Figure CN222903707U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical locking, in particular to an automatic quick centering and locking device. Background Art
[0002] During the mechanical production process, when operating on a workpiece, it is necessary to fix the workpiece. Currently, the existing centering and locking devices on the market have problems of "complicated mechanism design, poor locking effect, and small covered size". The existing locking devices cannot flexibly operate on the locked workpiece, have a low locking speed, a large locking difficulty, and a low production efficiency. Therefore, there is an urgent need for an automatic quick centering and locking device to solve the existing problems. Summary of the Utility Model
[0003] For this reason, the utility model provides an automatic quick centering and locking device to overcome the problems of "complicated mechanism design, centering only in one direction, poor locking effect, small covered size, and manual locking" in the prior art.
[0004] To achieve the above object, the utility model provides an automatic quick centering and locking device, including:
[0005] A driving mechanism and a locking mechanism.
[0006] Further, the driving mechanism includes:
[0007] A rotary motor and a two-stage precision planetary reducer, the output end of the rotary motor is connected to the two-stage precision planetary reducer; wherein, a motor guard is arranged outside the rotary motor.
[0008] Further, the locking mechanism includes:
[0009] An electromagnetic clutch assembly, which is connected to the other end of the two-stage precision planetary reducer away from the rotary motor to transmit the power of the driving mechanism;
[0010] Further, a flat washer and a standard spring washer are arranged at the connection between the two-stage precision planetary reducer and the electromagnetic clutch assembly.
[0011] A tower foot fixing assembly, including four turntable crossbeam assemblies, a turntable arranged between the turntable crossbeam assemblies and the electromagnetic clutch, a dust-proof cover plate arranged on the upper part of the turntable crossbeam assemblies, and a crossbeam reinforcing rib assembly for connecting and fixing the four turntable crossbeam assemblies.
[0012] Further, the turntable crossbeam assembly includes:
[0013] Two symmetrically arranged turntable crossbeams, a slider transmission shaft disposed between the two symmetrically arranged turntable crossbeams, a slider that can reciprocate along the slider transmission shaft and is disposed above the slider transmission shaft, and a base plate disposed below the slider transmission shaft;
[0014] A passive bevel gear is disposed at one end of the slider transmission shaft in the horizontal direction and is connected to the slider transmission shaft;
[0015] A handwheel is disposed at the other end of the slider transmission shaft in the horizontal direction and is connected to the slider transmission shaft;
[0016] Further, adjacent deep groove ball bearings and tapered roller bearings passing through the slider transmission shaft are provided at the connection between the handwheel and the slider transmission shaft, and the deep groove ball bearing is located near the handwheel; adjacent deep groove ball bearings and tapered roller bearings passing through the slider transmission shaft are provided at the connection between the passive bevel gear and the slider transmission shaft, and the deep groove ball bearing is located near the passive bevel gear.
[0017] Further, the electromagnetic clutch assembly includes: an electromagnetic clutch mounting plate, an electromagnetic clutch disposed on the upper part of the electromagnetic clutch mounting plate, a bevel gear tray disposed on the upper part of the electromagnetic clutch, a transmission shaft disposed in the middle of the electromagnetic clutch mounting plate and passing through the axes of the electromagnetic clutch and the bevel gear tray, and a bevel gear disposed at the end of the transmission shaft;
[0018] Further, the bevel gear meshes with the passive bevel gear;
[0019] Further, a gear end cover is provided at the end of the bevel gear.
[0020] Compared with the prior art, the beneficial effects of the present invention are that through the drive of the drive mechanism, automatic locking of the workpiece can be achieved. Through the tower foot fixing assembly and the transverse and longitudinal turntable crossbeam assemblies, locking of the workpiece in two directions, transverse and longitudinal, and locking of the workpiece in a single direction can be achieved; through the turntable, in cooperation with the clamping tool, the locked workpiece can be rotated 360°, ensuring safety and facilitating operation of the workpiece; applying this automatic quick centering and locking device to mechanical production improves the clamping speed, reduces the clamping difficulty, and improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic structural diagram of the intermediate support of the positioner of the automatic quick centering and locking device described in the present invention;
[0022] Figure 2 It is a schematic structural diagram of the electromagnetic clutch assembly described in the present invention;
[0023] Figure 3 Structural schematic diagram of the turntable crossbeam assembly described in the present utility model;
[0024] Figure 4 Top view of the turntable crossbeam assembly described in the present utility model;
[0025] Figure 5 Side view of the turntable crossbeam assembly described in the present utility model;
[0026] Figure 6 Side view of the turntable crossbeam assembly described in the present utility model;
[0027] Figure 7 Structural schematic diagram of the tower foot fixing assembly described in the present utility model;
[0028] Reference numerals in the figure:
[0029] 1. Slide block transmission shaft; 2. Slide block; 3. Handwheel; 4. Standard spring washer; 5. Flat washer; 6. Rotary motor; 7. Two-stage precision planetary reducer; 8. Electromagnetic clutch; 9. Electromagnetic clutch mounting plate; 10. Electromagnetic clutch assembly; 11. Flat key; 12. Transmission shaft; 15. Standard spring washer; 16. Flat washer; 18. Flat key; 19. Gear end cover; 20. Bevel gear; 22. Bevel gear tray; 24. Standard spring washer; 25. Skeleton oil seal; 26. Turntable; 27. Turntable crossbeam assembly; 28. Dust-proof cover plate; 29. Crossbeam reinforcing rib assembly; 30. Bearing seat 1; 33. Deep groove ball bearing; 34. Tapered roller bearing; 36. Base plate; 37. Crossbeam pressing strip; 38. Bearing seat 2; 39. Gear adjusting pad; 41. Driven bevel gear; 45. First turntable crossbeam; 46. Second turntable crossbeam; Specific embodiments
[0030] In order to make the objectives and advantages of the present utility model clearer, the present utility model will be further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0031] The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present utility model and do not limit the protection scope of the present utility model.
[0032] It should be noted that in the description of the present utility model, the terms indicating the direction or positional relationship such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0033] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0034] Embodiment 1
[0035] Please refer to Figures 1-7 As shown, the embodiment of the present utility model provides an automatic rapid centering and locking device, including:
[0036] A driving mechanism and a locking mechanism.
[0037] In the embodiment of the present utility model, the driving mechanism includes:
[0038] A rotary motor 6 and a two-stage precision planetary reducer 7, the output end of the rotary motor 6 is connected to the two-stage precision planetary reducer 7; wherein, a motor shield is provided outside the rotary motor 6.
[0039] In the embodiment of the present utility model, the locking mechanism includes:
[0040] An electromagnetic clutch assembly 10, which is connected to the other end of the two-stage precision planetary reducer 7 away from the rotary motor 6 to transmit the power of the driving mechanism;
[0041] Specifically, a flat washer 5 and a standard spring washer 4 are provided at the connection between the two-stage precision planetary reducer 7 and the electromagnetic clutch assembly 10.
[0042] The tower foot fixing assembly includes four turntable crossbeam assemblies 27, a turntable 26 disposed between the turntable crossbeam assemblies 27 and the electromagnetic clutch 8, a dust cover plate 28 disposed on the upper part of the turntable crossbeam assemblies 27, and a crossbeam reinforcing rib assembly 29 for connecting and fixing the four turntable crossbeam assemblies 27.
[0043] Specifically, the combination of the rotating motor 6 and the two-stage precision planetary reducer 7 provides kinetic energy for the automatic quick centering and locking device to achieve automatic locking. After the rotating motor 6 is powered on, a magnetic field can be generated inside it to cause the rotor to rotate, thereby converting kinetic energy into mechanical energy; the rotating motor 6 and the two-stage precision planetary reducer 7 are used in combination, so that the high-speed rotation of the rotating motor 6 is converted into low-speed and high-torque; the electromagnetic clutch 8 controls the output speed and direction of the two-stage precision planetary reducer 7 through the principle of electromagnetic induction.
[0044] In the embodiment of the present utility model, the electromagnetic clutch assembly 10 includes: an electromagnetic clutch mounting plate 9, an electromagnetic clutch 8 provided on the upper part of the electromagnetic clutch mounting plate 9, a bevel gear tray 22 provided on the upper part of the electromagnetic clutch 8, a transmission shaft 12 provided in the middle of the electromagnetic clutch mounting plate 9 and passing through the axes of the electromagnetic clutch 8 and the bevel gear tray 22, and a bevel gear 20 provided at the end of the transmission shaft 12;
[0045] Specifically, a flat washer 16 and a spring washer 15 are provided between the bevel gear tray 22 and the electromagnetic clutch 8; a flat key 18 is provided at the connection between the bevel gear tray 22 and the bevel gear 20.
[0046] Specifically, the electromagnetic clutch mounting plate 9 is fixed by bolts.
[0047] In the embodiment of the present utility model, the turntable crossbeam assembly 27 includes:
[0048] Two symmetrically arranged turntable crossbeams, a slider transmission shaft 1 provided in the middle of the two symmetrically arranged turntable crossbeams 45, a slider 2 that can reciprocate along the slider transmission shaft 1 provided above the slider transmission shaft 1, and a bottom plate 36 provided below the slider transmission shaft, wherein the turntable crossbeam includes a first turntable crossbeam 45 and a second turntable crossbeam 46;
[0049] A driven bevel gear 41 is provided at one end of the slider transmission shaft 1 in the horizontal direction and is connected to the slider transmission shaft 1, and a bearing seat 38 is provided at the connection thereof;
[0050] Specifically, the bevel gear 20 and the driven bevel gear 41 are meshed to control the movement of the slider 2 to achieve locking of the workpiece.
[0051] Specifically, the four turntable crossbeam assemblies 27 can achieve locking of the workpiece in multiple horizontal and vertical directions, and can also lock the workpiece in a single direction; through the turntable 26 and the clamping tool, the locked workpiece can be rotated 360°, which is convenient for operating the workpiece.
[0052] The handwheel is arranged at the other end of the slider transmission shaft 1 in the horizontal direction and is connected to the slider transmission shaft 1, and a bearing seat 30 is arranged at the connection part thereof.
[0053] In the embodiment of the present invention, the bearing seat 30 and the bearing seat 38 are symmetrically arranged. At the connection part of the handwheel 3 and the slider transmission shaft 1, adjacent deep groove ball bearings 33 and tapered roller bearings 34 passing through the slider transmission shaft 1 are arranged, wherein the deep groove ball bearing 33 is located at a position close to the handwheel 3; at the connection part of the passive bevel gear 41 and the slider transmission shaft 1, adjacent deep groove ball bearings 33 and tapered roller bearings 34 passing through the slider transmission shaft 1 are arranged, wherein the deep groove ball bearing 33 is located at a position close to the passive bevel gear 41.
[0054] Specifically, the workpiece can also be manually locked by the handwheel 3.
[0055] So far, the technical solution of the present invention has been described in combination with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or replacements to the relevant technical features, and the technical solutions after these changes or replacements will all fall within the protection scope of the present invention.
[0056] The above are only the preferred embodiments of the present invention and are not used to limit the present invention; for those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An automatic quick centering and locking device, characterized in that: include: A driving mechanism, comprising a rotating motor (6) and a two-stage precision planetary reducer (7) arranged at an output end of the rotating motor (6) and connected to the rotating motor (6); A locking mechanism, comprising a tower foot fixing assembly for performing locking and an electromagnetic clutch assembly (10) arranged below the tower foot fixing assembly for transmitting power of the driving mechanism; Wherein, the tower foot fixing assembly comprises four turntable crossbeam assemblies (27), and the turntable crossbeam assemblies (27) are symmetrically arranged in pairs; The other end of the two-stage precision planetary reducer (7) away from the rotating motor (6) is connected to the electromagnetic clutch assembly (10).
2. The automatic quick centering and locking device according to claim 1, characterized in that: The turntable crossbeam assembly (27) comprises two symmetrically arranged turntable crossbeams, a slider transmission shaft (1) arranged between the two symmetrical turntable crossbeams, a slider (2) arranged above the slider transmission shaft (1) and capable of reciprocating along the slider transmission shaft (1), and a bottom plate (36) arranged below the slider transmission shaft (1); a passive bevel gear (41) arranged at one end of the slider transmission shaft (1) in the horizontal direction, and a hand wheel (3) arranged at the other end of the slider transmission shaft (1) in the horizontal direction.
3. The automatic quick centering and locking device according to claim 2, characterized in that: The connection between the hand wheel (3) and the slider transmission shaft (1) is provided with adjacent deep groove ball bearings (33) and tapered roller bearings (34) that pass through the slider transmission shaft (1), wherein the deep groove ball bearings (33) are located near the hand wheel (3); the connection between the passive bevel gear (41) and the slider transmission shaft (1) is provided with adjacent deep groove ball bearings (33) and tapered roller bearings (34) that pass through the slider transmission shaft (1), wherein the deep groove ball bearings (33) are located near the passive bevel gear (41).
4. The automatic quick centering and locking device according to claim 3, characterized in that: The electromagnetic clutch assembly (10) comprises an electromagnetic clutch mounting plate (9), an electromagnetic clutch (8) arranged on the upper part of the electromagnetic clutch mounting plate (9), a bevel gear tray (22) arranged on the upper part of the electromagnetic clutch (8), a transmission shaft (12) arranged in the middle of the electromagnetic clutch mounting plate (9) and passing through the axis of the electromagnetic clutch (8) and the axis of the bevel gear tray (22), and a bevel gear (20) arranged at the end of the transmission shaft (12); Wherein, the bevel gear (20) is meshed with the passive bevel gear (41).
5. The automatic quick centering and locking device according to claim 4, characterized in that: A turntable (26) is arranged between the electromagnetic clutch assembly (10) and the turntable crossbeam assembly (27), and a dust cover plate (28) is arranged above the turntable crossbeam assembly (27).
6. The automatic quick centering and locking device according to claim 5, characterized in that: A gear end cover (19) is provided at the end of the bevel gear (20).