Double-screw-rod synchronous lifting mechanism
Through the dual screw synchronous lifting mechanism, combined with the synchronous drive mechanism, the shaking and resonance problems caused by the single screw slide guide operation of the Z-axis mechanism are solved, a more efficient loading process is achieved, and the stability and use of the equipment are improved. life.
Patent Information
- Application Number
- CN202420611168.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-03-27
AI Technical Summary
During the industrial automation test production process, the guide operation of the single screw rail of the Z-axis mechanism causes the equipment to shake or resonate, affecting the loading accuracy and service life, and the return to zero and air-walk movement speed are limited, affecting the loading efficiency.
A double screw synchronous lifting mechanism is adopted. The left and right double screws cooperate with the left and right double guide rails and combined with the synchronous drive mechanism to realize the synchronous lifting movement of the double screws to avoid instability and resonance.
It effectively avoids the instability and resonance phenomenon of the equipment during the loading process, improves the zero return and idling movement speed, significantly improves the loading efficiency, and extends the service life of the Z-axis.
Smart Images
Figure CN222374299U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automation equipment, and in particular relates to a double-screw synchronous lifting mechanism. Background Art
[0002] In the process of industrial automation testing and production, in the design of the Z-axis mechanism, a single screw guide rail is used for guiding operation. Due to the large load on the fuselage frame, the equipment has shaking or resonance during normal operation, which affects the feeding accuracy and reduces the service life of the Z-axis. In addition, due to the shaking phenomenon during the feeding process, the Z-axis's return to zero and idling movement speed cannot be too fast, affecting the overall feeding efficiency. Utility Model Content
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a double-screw synchronous lifting mechanism with a reliable structure, which can effectively avoid instability and resonance of the equipment during normal feeding, and effectively improve the return to zero and idling movement speed of the overall motion mechanism.
[0004] In order to achieve the above technical objectives, the utility model adopts the following technical solutions:
[0005] A double-screw synchronous lifting mechanism, comprising a bracket, a left lifting assembly is installed on the left side of the bracket, the left lifting assembly comprises a left screw rotatably installed on the left side of the bracket, a left screw nut is installed on the left screw; a left guide rail corresponding to the left screw is fixedly installed on the left side of the bracket, a left slider is slidably installed on the left guide rail, and a left fixed block is arranged between the left slider and the left screw nut;
[0006] A right lifting assembly is installed on the right side of the bracket, and the right lifting assembly includes a right screw rod rotatably installed on the right side of the bracket, and a right screw rod nut is installed on the right screw rod; a right guide rail corresponding to the right screw rod is fixedly installed on the right side of the bracket, and a right slider is slidably installed on the right guide rail, and a right fixed block is arranged between the right slider and the right screw rod nut;
[0007] A synchronous driving mechanism is arranged between the left lifting assembly and the right lifting assembly.
[0008] As a preferred technical solution, the bracket includes a left fixing plate and a right fixing plate, and a reinforcing plate is connected between the left fixing plate and the right fixing plate.
[0009] As an optimal technical solution, a left screw fixing seat is installed at the lower end of the left fixed plate, a left screw support seat is installed at the upper end of the left fixed plate, and the two ends of the left screw are respectively installed on the left screw fixing seat and the left screw support seat through bearings.
[0010] As an optimal technical solution, a right screw fixing seat is installed at the lower end of the right fixed plate, a right screw support seat is installed at the upper end of the right fixed plate, and both ends of the right screw are respectively installed on the right screw fixing seat and the right screw support seat through bearings.
[0011] As a preferred technical solution, the synchronous drive mechanism includes a driving motor, a left screw synchronous wheel is installed on the left screw, a right screw synchronous wheel is installed on the right screw, a motor-end synchronous wheel is installed at the output end of the driving motor, and the motor-end synchronous wheel is connected to the left screw synchronous wheel and the right screw synchronous wheel through a synchronous belt transmission.
[0012] As a preferred technical solution, a left flange idler wheel is installed on the transmission line between the motor end synchronous wheel and the left screw synchronous wheel.
[0013] As a preferred technical solution, a right rib idler wheel is installed on the transmission line between the motor end synchronous wheel and the right screw synchronous wheel.
[0014] Due to the adoption of the above-mentioned technical scheme, the utility model has at least the following beneficial effects: the left and right double screws are used in conjunction with the left and right double guide rails, the structure is simple, strong and reliable, and the versatility is strong. Even when the equipment load is large, the instability and resonance phenomena generated during the normal feeding process can still be effectively avoided, thereby ensuring the feeding quality, and the speed of the return to zero and idling movement of the overall motion mechanism can be effectively improved, thereby significantly improving the feeding efficiency, and solving the technical problems for manufacturing large-scale industrial-grade automatic feeding testing machines. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.
[0016] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;
[0017] Figure 2 yes Figure 1 A partial enlarged view of point I in the middle;
[0018] Figure 3 yes Figure 1 A partial enlarged view of position II in the middle;
[0019] Figure 4 yes Figure 1 A partial enlarged view of the part III in the middle;
[0020] Figure 5 yes Figure 1 A partial enlarged view of point IV in the middle. DETAILED DESCRIPTION
[0021] The present invention is further described below in conjunction with the accompanying drawings and examples. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Needless to say, those skilled in the art will recognize that the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are illustrative in nature and are not intended to limit the scope of protection of the claims.
[0022] like Figure 1 As shown, a double-screw synchronous lifting mechanism includes a bracket 10, a left lifting component 20 is installed on the left side of the bracket 10, a right lifting component 30 is installed on the right side of the bracket, and a synchronous driving mechanism 40 is arranged between the left lifting component 20 and the right lifting component 30.
[0023] refer to Figure 2 The left lifting assembly 20 includes a left screw rod 21 rotatably mounted on the left side of the bracket 10, and a left screw rod nut 22 is mounted on the left screw rod 21; a left guide rail 23 corresponding to the left screw rod 21 is fixedly mounted on the left side of the bracket 10, and a left slider 24 is slidably mounted on the left guide rail 23, and a left fixed block 25 is arranged between the left slider 24 and the left screw rod nut 22;
[0024] refer to Figure 3 The right lifting assembly 30 includes a right screw rod 31 rotatably mounted on the right side of the bracket 10, and a right screw rod nut 32 is mounted on the right screw rod 31; a right guide rail 33 corresponding to the right screw rod 31 is fixedly mounted on the right side of the bracket 10, and a right slider 34 is slidably mounted on the right guide rail 33, and a right fixed block 35 is arranged between the right slider 34 and the right screw rod nut 32;
[0025] In this embodiment, the bracket 10 includes a left fixing plate 11 and a right fixing plate 12 , and an upper reinforcing plate 13 and a lower reinforcing plate 14 are connected between the left fixing plate 11 and the right fixing plate 12 , so the structure is simple and reliable.
[0026] Specifically, refer to Figure 2 and Figure 4 The left screw fixing seat 26 is installed at the lower end of the left fixing plate 11, and the left screw support seat 27 is installed at the upper end of the left fixing plate 11. The two ends of the left screw 21 are respectively installed on the left screw fixing seat 26 and the left screw support seat 27 through bearings. Figure 3 and Figure 5 A right screw fixing seat 36 is installed at the lower end of the right fixing plate 12, and a right screw support seat 37 is installed at the upper end of the right fixing plate 12. Both ends of the right screw 31 are respectively installed on the right screw fixing seat 36 and the right screw support seat 37 through bearings.
[0027] Refer to Figure 1 , Figure 4 and Figure 5 The synchronous drive mechanism 40 includes a drive motor 41, a left screw synchronous wheel 42 is installed on the left screw 21, a right screw synchronous wheel 43 is installed on the right screw 31, and a motor end synchronous wheel 44 is installed on the output end of the drive motor 41. The motor end synchronous wheel 44 is connected to the left screw synchronous wheel 42 and the right screw synchronous wheel 43 through a synchronous belt 45. A left flange idler wheel 46 is installed on the transmission route between the motor end synchronous wheel 44 and the left screw synchronous wheel 42, and a right flange idler wheel 47 is installed on the transmission route between the motor end synchronous wheel 44 and the right screw synchronous wheel 43 to ensure that the synchronous belt is transmitted along the set motion path. The driving action of the drive motor 41 can drive the left fixed block 25 and the right fixed block 35 to move up and down along the left guide rail 23 and the right guide rail 33 respectively. The left fixed block 25 and the right fixed block 35 can be used to facilitate the fixed installation of working parts such as the feeding mechanism.
[0028] The utility model utilizes left and right double screw rods in conjunction with left and right double guide rails, with a simple, strong and reliable structure and strong versatility. Even when the equipment is heavily loaded, it can still effectively avoid instability and resonance during normal feeding, thereby ensuring the feeding quality, and can effectively improve the speed of the overall motion mechanism during zero return and idling motion, thereby significantly improving the feeding efficiency, solving the technical problem for manufacturing large-scale industrial-grade automatic feeding testing machines.
[0029] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by a person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.
Claims
1. A double-screw synchronous lifting mechanism, comprising a bracket, characterized in that: A left lifting assembly is installed on the left side of the bracket, and the left lifting assembly includes a left screw rod rotatably installed on the left side of the bracket, and a left screw rod nut is installed on the left screw rod; a left guide rail corresponding to the left screw rod is fixedly installed on the left side of the bracket, and a left slider is slidably installed on the left guide rail, and a left fixed block is arranged between the left slider and the left screw rod nut; A right lifting assembly is installed on the right side of the bracket, and the right lifting assembly includes a right screw rod rotatably installed on the right side of the bracket, and a right screw rod nut is installed on the right screw rod; a right guide rail corresponding to the right screw rod is fixedly installed on the right side of the bracket, and a right slider is slidably installed on the right guide rail, and a right fixed block is arranged between the right slider and the right screw rod nut; A synchronous driving mechanism is arranged between the left lifting assembly and the right lifting assembly.
2. The double-screw synchronous lifting mechanism according to claim 1, characterized in that: The bracket comprises a left fixing plate and a right fixing plate, and a reinforcing plate is connected between the left fixing plate and the right fixing plate.
3. The double-screw synchronous lifting mechanism according to claim 2, characterized in that: A left screw fixing seat is installed at the lower end of the left fixing plate, a left screw support seat is installed at the upper end of the left fixing plate, and two ends of the left screw are respectively installed on the left screw fixing seat and the left screw support seat through bearings.
4. The double-screw synchronous lifting mechanism according to claim 2, characterized in that: A right screw fixing seat is installed at the lower end of the right fixing plate, a right screw support seat is installed at the upper end of the right fixing plate, and two ends of the right screw are respectively installed on the right screw fixing seat and the right screw support seat through bearings.
5. The double-screw synchronous lifting mechanism according to claim 1, characterized in that: The synchronous drive mechanism includes a driving motor, a left screw synchronous wheel is installed on the left screw, a right screw synchronous wheel is installed on the right screw, a motor end synchronous wheel is installed on the output end of the driving motor, and the motor end synchronous wheel is connected to the left screw synchronous wheel and the right screw synchronous wheel through a synchronous belt transmission.
6. The double-screw synchronous lifting mechanism according to claim 5, characterized in that: A left side guard idler wheel is installed on the transmission route between the motor end synchronous wheel and the left screw synchronous wheel.
7. The double-screw synchronous lifting mechanism according to claim 5, characterized in that: A right rib idler wheel is installed on the transmission route between the motor end synchronous wheel and the right screw rod synchronous wheel.