Bidirectional transfer mechanism
By designing a two-way load transfer mechanism, the precise movement of the load transfer plate is achieved using the motor, reducer and transmission system, the problems of stability and accuracy of the traditional load transfer module under high load are solved, and stable movement with high load and high precision and long service life are achieved.
Patent Information
- Application Number
- CN202420141829.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-01-19
AI Technical Summary
The traditional XYZ axis linear load transfer module has a reduced stability under high load conditions, which affects the handling accuracy and service life.
A two-way load transfer mechanism is designed, including a motor, reducer, parallel bracket and coaxial drive shaft. The reciprocating movement of the load transfer plate is achieved through the transmission wheel and the transmission rack, and the linear slide rail and the organ cover are combined to improve stability and accuracy.
It realizes stable movement under high load and high precision requirements, extends service life, and has the advantages of simple structure, safety and reliability.
Smart Images
Figure CN222539666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a transfer mechanism, in particular to a bidirectional transfer mechanism. Background Art
[0002] At present, the handling and stacking of large and heavy objects are mainly completed by gantry handling mechanisms, but the traditional gantry handling mechanism mainly realizes movement through the XYZ axis linear transfer module. Due to the large size of the mechanism itself, the large load it bears, and the need to meet the movement accuracy to achieve the handling, stacking and loading of products, the gantry handling mechanism needs to meet a certain movement accuracy under the premise of meeting the high load. The stability of the existing XYZ axis linear transfer module will be reduced when it is overloaded, which will not only damage the slider, but also affect the accuracy, resulting in a greatly reduced service life. Therefore, it is necessary to propose a new technical solution to solve the above problems. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a bidirectional transfer mechanism which has a simple structure, is safe and stable, has a long service life, and meets the requirements of high load and high movement accuracy.
[0004] The technical solution adopted by the utility model is: the utility model includes a motor, a reducer, two parallel brackets and two coaxial transmission shafts, the motor, the reducer and the two transmission shafts are all arranged between the two brackets, the reducer includes an input interface connected to the output end of the motor and an output interface respectively connected to one end of the two transmission shafts, the other ends of the two transmission shafts are each provided with a transmission wheel, a slidingly connected transfer plate is provided on the top of the two brackets, the reducer and the two transmission shafts are arranged on a mounting bracket, the mounting bracket is fixed to the lower end of the transfer plate, and a transmission rack adapted to the transmission wheel is provided on the two brackets, the transmission wheel includes a plurality of tooth columns evenly distributed in a ring shape, and the transmission rack includes tooth grooves adapted to the plurality of tooth columns.
[0005] Furthermore, the transmission wheel also includes a disc A, a disc B and a disc C that are integrally formed and coaxial, the disc B is located between the disc A and the disc C, the diameter of the disc B is smaller than the diameters of the disc A and the disc C, the axes of several of the gear columns are parallel to the axis of the disc B and several of the gear columns are evenly distributed in a ring shape around the disc B, one ends of several of the gear columns are respectively embedded in the disc A, and the other ends of several of the gear columns are respectively embedded in the disc C.
[0006] Furthermore, the transmission wheel also includes a circular hole that passes through the disc A, the disc B and the disc C, and the disc A is connected to the transmission shaft via a first coupling.
[0007] Furthermore, two linear slide rails parallel to the transmission rack are arranged on the two brackets, and sliding blocks adapted to the two linear slide rails are arranged at both ends of the transfer plate.
[0008] Furthermore, both of the two brackets are provided with accordion covers adapted to the two linear slide rails.
[0009] Furthermore, the two brackets are also provided with linear guide rails adapted to the transmission wheel, and the transmission wheel is located between the transmission rack and the linear guide rails.
[0010] Furthermore, universal joints are provided on both transmission shafts.
[0011] Furthermore, a second coupling is provided between the output interface of the reducer and the two transmission shafts.
[0012] Furthermore, the two transmission shafts are provided with L-shaped support plates located at both ends of the universal joints, and the L-shaped support plates are arranged on the transmission shafts through rotating bearings.
[0013] Furthermore, the mounting bracket includes a reducer mounting plate located at both ends of the reducer and a support plate connected to the transmission shaft.
[0014] The beneficial effects of the utility model are as follows: compared with the traditional transfer module, the utility model is driven by the motor, the power is transmitted by the transmission shaft, and the transmission wheel is engaged with the transmission rack, so as to control the reciprocating movement of the transfer plate, thereby ensuring the moving position accuracy of the utility model, and the transfer plate is slidably arranged on the bracket, which greatly improves the stability and bearing strength of the movement of the transfer plate, thereby meeting the high-load and high-precision use requirements of the gantry transport mechanism, and at the same time has the advantages of simple structure, safety, reliability and long service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle;
[0017] Figure 3 is a schematic structural diagram of the reducer, the transmission shaft and the transmission wheel;
[0018] Figure 4 It is a structural schematic diagram of the transmission wheel. DETAILED DESCRIPTION
[0019] like Figures 1 to 4As shown, in this embodiment, the utility model includes a motor 1, a reducer 2, two parallel brackets 6 and two coaxial transmission shafts 3, the motor 1, the reducer 2 and the two transmission shafts 3 are all arranged between the two brackets 6, the reducer 2 includes an input interface connected to the output end of the motor 1 and an output interface respectively connected to one end of the two transmission shafts 3, the other ends of the two transmission shafts 3 are each provided with a transmission wheel 4, the tops of the two brackets 6 are provided with a slidingly connected transfer plate 7, the reducer 2 and the two transmission shafts 3 are arranged on a mounting bracket 8, and the mounting bracket 8 is fixed at the lower end of the transfer plate 7, and the two brackets 6 are each provided with a transmission rack 9 adapted to the transmission wheel 4, the transmission wheel 4 includes a plurality of tooth columns 41 evenly distributed in a ring shape, and the transmission rack 9 includes tooth grooves 91 adapted to the plurality of tooth columns 41.
[0020] It can be seen from the above scheme that the motor 1 is used to drive the two transmission shafts 3 to rotate through the reducer 2, the mounting bracket 8 is used to support the reducer 2 and the two transmission shafts 3, and the mounting bracket 8 is fixedly connected to the transfer plate 7, the transfer plate 7 is slidably set on the two brackets 6, and the transfer plate 7 is used to install an external manipulator, the two transmission wheels 4 are respectively fixed at the ends of the two transmission shafts 3, and the transmission rack 9 is located at the upper end of the transmission wheel 4. The motor 1 transmits power to the transmission wheel 4 through the transmission shaft 3, and the transmission wheel 4 cooperates with the tooth groove 91 on the transmission rack 9 through the tooth column 41 and performs meshing transmission. Therefore, compared with the traditional transfer module, the utility model is driven by the motor 1, the power is transmitted by the transmission shaft 3, and the transmission wheel 4 is engaged with the transmission rack 9, so as to control the reciprocating movement of the transfer plate 7, thereby ensuring the moving position accuracy of the utility model, and the transfer plate 7 is slidably set on the bracket 6, which greatly improves the stability and bearing strength of the movement of the transfer plate 7, thereby meeting the high-load and high-precision use requirements of the gantry transport mechanism, and at the same time has the advantages of simple structure, safety, reliability and long service life.
[0021] In this embodiment, the transmission wheel 4 also includes a disc A42, a disc B43 and a disc C44 that are integrally formed and coaxial, the disc B43 is located between the disc A42 and the disc C44, the diameter of the disc B43 is smaller than the diameters of the disc A42 and the disc C44, the axes of several of the gear columns 41 are parallel to the axes of the disc B43 and several of the gear columns 41 are evenly distributed in a ring shape around the disc B43, one ends of several of the gear columns 41 are respectively embedded in the disc A42, and the other ends of several of the gear columns 41 are respectively embedded in the disc C44.
[0022] It can be seen from the above scheme that when the tooth column 41 is engaged with the tooth groove 91, the transmission rack 9 is located between the disk A42 and the disk C44, and the disk A42 and the disk C44 guide the transmission rack 9, and the transmission rack 9 is located at the upper end of the transmission wheel 4, so that the rotation of the transmission wheel 4 is smoother, and the two ends of the several tooth columns 41 are respectively embedded in the disk A42 and the disk C44, so that the structure of the transmission wheel 4 is more stable, thereby improving the transmission stability of the utility model.
[0023] In this embodiment, the transmission wheel 4 further includes a circular hole 45 that passes through the disc A42 , the disc B43 , and the disc C44 , and the disc A42 is connected to the transmission shaft 3 via a first coupling 46 .
[0024] It can be seen from the above scheme that the circular hole 45 is coaxial with the disc A42, the disc B43 and the disc C44, and the transmission wheel 4 is detachably mounted on the end of the transmission shaft 3 through the first coupling 46, making the assembly and maintenance of the utility model more convenient.
[0025] In this embodiment, two linear slide rails 61 parallel to the transmission rack 9 are disposed on the two brackets 6 , and sliders 71 adapted to the two linear slide rails 61 are disposed at both ends of the transfer plate 7 .
[0026] It can be seen from the above scheme that the transmission rack 9 is parallel to the two linear slide rails 61, and the transfer plate 7 is slidably matched with the linear slide rails 61 through the sliders 71 at both ends, which further improves the movement accuracy and load strength of the utility model.
[0027] In this embodiment, the two brackets 6 are each provided with an accordion cover 62 adapted to the two linear guide rails 61 .
[0028] It can be seen from the above solution that the accordion cover 62 covers the two linear guide rails 61 to protect the linear guide rails 61 from dust and other impurities, thereby ensuring the movement accuracy of the utility model.
[0029] In this embodiment, the two brackets 6 are further provided with linear guide rails 63 adapted to the transmission wheel 4 , and the transmission wheel 4 is located between the transmission rack 9 and the linear guide rails 63 .
[0030] It can be seen from the above scheme that the linear guide 63 is located at the lower ends of the disk A42 and the disk C44, and the linear guide 63 is parallel to the transmission rack 9. The linear guide 63 guides the transmission wheel 4, thereby improving the movement stability of the transmission wheel 4.
[0031] In this embodiment, universal joints 31 are provided on the two transmission shafts 3 .
[0032] It can be seen from the above scheme that a universal joint 31 is provided between the power input end and the output end of the two transmission shafts 3, so as to balance the relative angle deviation of the two transmission wheels 4 when rotating, and ensure stable and efficient power transmission.
[0033] In this embodiment, a second coupling 21 is provided between the output interface of the reducer 2 and the two transmission shafts 3 .
[0034] It can be seen from the above solution that the two transmission shafts 3 are connected to the output interface of the reducer 2 by the second coupling 21, which makes maintenance and debugging more convenient.
[0035] In this embodiment, the two transmission shafts 3 are provided with L-shaped support plates 32 located at both ends of the universal joint 31 , and the L-shaped support plates 32 are provided on the transmission shafts 3 via a rotating bearing.
[0036] It can be seen from the above scheme that one end of the L-shaped support plate 32 is connected to the transmission shaft 3 through a rotating bearing, and the other end of the L-shaped support plate 32 is fixedly connected to the transfer plate 7, further ensuring the stability of the transmission shaft 3 and the transfer plate 7.
[0037] In this embodiment, the mounting bracket 8 includes a reducer mounting plate 81 located at both ends of the reducer 2 and a support plate 82 connected to the transmission shaft 3 .
[0038] It can be seen from the above scheme that the reducer mounting plate 81 is used to install and fix the reducer 2, and the support plate 82 is provided with a bearing connected to the transmission shaft 3, thereby ensuring the transmission stability of the transmission shaft 3.
[0039] In this embodiment, the working principle of the utility model is:
[0040] The motor 1 is started and drives the two transmission shafts 3 through the reducer 2. The transmission shaft 3 transmits power to the transmission wheel 4. The transmission wheel 4 is meshed with the transmission rack 9 for transmission. The transmission rack 9 is fixed on the top of the bracket 6. As the transmission wheel 4 rotates, the transfer plate 7 slidingly arranged on the top of the bracket 6 moves back and forth.
[0041] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.
Claims
1. A bidirectional transfer mechanism, comprising a motor (1), a reducer (2), two parallel brackets (6) and two coaxial transmission shafts (3), wherein the motor (1), the reducer (2) and the two transmission shafts (3) are all arranged between the two brackets (6), characterized in that: The reducer (2) comprises an input interface connected to the output end of the motor (1) and an output interface connected to one end of each of the two transmission shafts (3); the other ends of the two transmission shafts (3) are each provided with a transmission wheel (4); the tops of the two brackets (6) are provided with a slidingly connected transfer plate (7); the reducer (2) and the two transmission shafts (3) are arranged on a mounting bracket (8); the mounting bracket (8) is fixed to the lower end of the transfer plate (7); the two brackets (6) are each provided with a transmission rack (9) adapted to the transmission wheel (4); the transmission wheel (4) comprises a plurality of tooth columns (41) evenly distributed in a ring shape; and the transmission rack (9) comprises tooth grooves (91) adapted to the plurality of tooth columns (41).
2. The bidirectional transfer mechanism according to claim 1, characterized in that: The transmission wheel (4) further comprises a disc A (42), a disc B (43) and a disc C (44) which are integrally formed and coaxial, the disc B (43) being located between the disc A (42) and the disc C (44), the diameter of the disc B (43) being smaller than the diameters of the disc A (42) and the disc C (44), the axes of the plurality of tooth columns (41) being parallel to the axes of the disc B (43) and the plurality of tooth columns (41) being evenly distributed around the disc B (43) in an annular shape, one end of the plurality of tooth columns (41) being respectively embedded in the disc A (42), and the other ends of the plurality of tooth columns (41) being respectively embedded in the disc C (44).
3. The bidirectional transfer mechanism according to claim 2, characterized in that: The transmission wheel (4) further comprises a circular hole (45) penetrating the disc A (42), the disc B (43) and the disc C (44); the disc A (42) is connected to the transmission shaft (3) via a first coupling (46).
4. The bidirectional transfer mechanism according to claim 1, characterized in that: Two linear slide rails (61) parallel to the transmission rack (9) are provided on the two brackets (6), and sliding blocks (71) adapted to the two linear slide rails (61) are provided at both ends of the transfer plate (7).
5. The bidirectional transfer mechanism according to claim 4, characterized in that: The two brackets (6) are each provided with an accordion cover (62) adapted to the two linear slide rails (61).
6. The bidirectional transfer mechanism according to claim 1, characterized in that: The two brackets (6) are also provided with linear guide rails (63) adapted to the transmission wheel (4), and the transmission wheel (4) is located between the transmission rack (9) and the linear guide rails (63).
7. The bidirectional transfer mechanism according to claim 1, characterized in that: Universal joints (31) are provided on both of the two transmission shafts (3).
8. The bidirectional transfer mechanism according to claim 1, characterized in that: A second coupling (21) is provided between the output interface of the reducer (2) and the two transmission shafts (3).
9. The bidirectional transfer mechanism according to claim 7, characterized in that: The two transmission shafts (3) are provided with L-shaped support plates (32) located at both ends of the universal joint (31); the L-shaped support plates (32) are arranged on the transmission shafts (3) via a rotating bearing.
10. The bidirectional transfer mechanism according to claim 1, characterized in that: The mounting bracket (8) comprises a reducer mounting plate (81) located at both ends of the reducer (2) and a support plate (82) connected to the transmission shaft (3).