CN209994789U - Unequal pitch-changing mechanism - Google Patents
Unequal pitch-changing mechanism Download PDFInfo
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- CN209994789U CN209994789U CN201920071387.8U CN201920071387U CN209994789U CN 209994789 U CN209994789 U CN 209994789U CN 201920071387 U CN201920071387 U CN 201920071387U CN 209994789 U CN209994789 U CN 209994789U
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- mounting plate
- ball screw
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- unequal pitch
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Abstract
The utility model discloses an unequal displacement mechanism belongs to the automatic machine field, include: the device comprises a guide shaft, a frame, a bearing inner ring, at least 4 transmission assemblies and at least 4 sliding assemblies; the sliding assembly comprises a sliding block, a linear bearing and a ball screw; the frame is provided with a mounting hole, and the bearing inner ring is mounted in the mounting hole; the linear bearings are arranged in holes at the front end and the rear end of the sliding block, the guide shaft passes through the linear bearings and is fixed on the frame, the ball screw passes through the sliding block and is arranged on one of the sliding blocks, the ball screw is fixed with the bearing inner ring on the frame, and the transmission assemblies are fixed on the frame and are connected with the ball screw in a one-to-one correspondence manner. The utility model provides an in the prior art pitch mechanism can't not divide the displacement unequally to lead to the problem that production efficiency is low.
Description
Technical Field
The utility model relates to the field of automated machinery, in particular to unequal displacement mechanism.
Background
In automatic production, especially in the small-size components and parts transport, paste dress and transportation process, the tray or the feeding mechanism of going up the station arrange with the components and parts of station down, place the distance different, and current displacement mechanism all is the partition displacement, and when adjusting the distance promptly, every distance of adjusting relatively is unanimous, if meet the components and parts of placing according to different line intervals, just can't carry, paste dress and transport to it to lead to the problem that production efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unequal displacement mechanism solves among the prior art displacement mechanism and can't carry out unequal displacement to lead to the problem that production efficiency is low.
In order to achieve the above object, the utility model discloses an unequal displacement mechanism, include: the device comprises a guide shaft, a frame, a bearing inner ring, at least 4 transmission assemblies and at least 4 sliding assemblies; the sliding assembly comprises a sliding block, a linear bearing and a ball screw; the frame is provided with a mounting hole, and the bearing inner ring is mounted in the mounting hole; the linear bearings are arranged in holes at the front end and the rear end of the sliding block, the guide shaft passes through the linear bearings and is fixed on the frame, the ball screw passes through the sliding block and is arranged on one of the sliding blocks, the ball screw is fixed with the bearing inner ring on the frame, and the transmission assemblies are fixed on the frame and are connected with the ball screw in a one-to-one correspondence manner.
Preferably, the transmission assembly comprises: a servo motor, a synchronous belt pulley and a synchronous belt; the synchronous belt is connected with the servo motor and the synchronous belt wheel; the synchronous belt wheel is connected with the ball screw.
Preferably, a bracket is arranged on the frame, and a suction nozzle is arranged on the bracket.
Preferably, the stent is of an L-shaped configuration.
Preferably, one end of the support is provided with a mounting hole with internal threads, the suction nozzle is provided with external threads, and the suction nozzle is mounted in the mounting hole through thread fit.
Preferably, the frame includes first mounting panel, second mounting panel and third mounting panel, and the third mounting panel both ends are installed respectively to first mounting panel and second mounting panel, the guiding axle both ends are fixed respectively on first mounting panel and second mounting panel.
Preferably, the first mounting plate and the second mounting plate are provided with mounting holes, the bearing inner ring is mounted in the mounting holes, and two ends of the ball screw are fixed with the bearing inner ring on the first mounting plate and the second mounting plate respectively.
Preferably, the synchronous pulley is mounted outside the first mounting plate or the second mounting plate and at a shaft end of the ball screw passing through the first mounting plate or the second mounting plate.
Preferably, be provided with the connecting plate on first mounting panel or the second mounting panel, be provided with the screw hole on the connecting plate, will through nut and screw-thread fit servo motor fixes on first mounting panel or the second mounting panel, servo motor with synchronous pulley homonymy arranges.
Compared with the prior art, the beneficial effects of the utility model are that:
because each ball screw is controlled by different servo motors, when the ball screws rotate, the slide blocks connected with the ball screws slide on the guide shafts, and therefore the effect of distance changing is achieved; on the other hand, the sliding distance of each sliding block is the same or different by controlling each servo motor to rotate the same or different turns, so that the sliding distance of the sliding blocks is accurately controlled, and equal division and unequal division variable distances are realized.
Drawings
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
fig. 1 is a schematic structural view of an unequal pitch mechanism.
Detailed Description
To further illustrate the features of the present invention, please refer to the following detailed description and accompanying drawings. The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure.
An unequal pitch mechanism, as shown in fig. 1, comprising: the device comprises a guide shaft 1, a frame 2, a bearing inner ring, at least 4 transmission assemblies and at least 4 sliding assemblies; the sliding assembly comprises a sliding block 3, a linear bearing 4 and a ball screw 5; the frame 2 is provided with a mounting hole, and the bearing inner ring is mounted in the mounting hole; linear bearings 4 are arranged in holes at the front end and the rear end of the sliding block 3, the guide shaft 1 penetrates through the linear bearings 4 and is fixed on the frame 2, the ball screw 5 penetrates through the sliding block 3 and is arranged on one of the sliding blocks 3, the ball screw 5 is fixed with a bearing inner ring on the frame 2, and the transmission assemblies are fixed on the frame 2 and are connected with the ball screws 5 in a one-to-one correspondence mode.
It should be noted that 4 sliding blocks 3 are arranged in parallel, and each sliding block 3 is provided with small holes with the same number as the number of the ball screws 5 on the body for the ball screws 5 to pass through. The process of the unequal pitch mechanism provided by the embodiment for realizing unequal pitch is as follows: before the mechanism works, the distance between the adjacent sliding blocks 3 is set, if the distances between the adjacent sliding blocks 3 are set to be equal, each transmission assembly controls the corresponding ball screw 5 to rotate for the same number of turns, and equal division and variable pitch are realized; if the distances between the adjacent sliding blocks 3 are set to be unequal, each transmission assembly controls the corresponding ball screw 5 to rotate for different turns, and unequal pitch change is realized.
Specifically, the equal division and unequal division variable distances of the mechanism are realized through the relation between the number n of turns of the rotation of the servo motor 6 and the sliding distance of the sliding block 3, and meanwhile, the sliding distance of the sliding block 3 can be accurately controlled. The concrete description is as follows:
if the lead of the ball screw 5 is P, the transmission ratio of the servo motors 6 to the synchronous belt wheel 7 is i, and if the number of rotating turns of each servo motor 6 is n, the sliding distance of each sliding block 3 is npi; i.e. to achieve equal division of the pitch.
If the number of rotations of each servo motor 6 is different, for example, the number of rotations of each servo motor 6 is n1、n2、n3、n4Then the sliding distance of each slide block 3 is n1pi、n2pi、n3pi、n4pi, namely, the unequal pitch is realized.
Preferably, the transmission assembly comprises: a servo motor 6, a synchronous belt wheel 7 and a synchronous belt 8; the synchronous belt 8 is connected with the servo motor 6 and the synchronous belt wheel 7; the timing pulley 7 is connected to the ball screw 5. Wherein, the transmission assembly is connected with the sliding assembly in a one-to-one correspondence manner so as to drive the ball screws 5 in the sliding assembly to rotate, thereby realizing equal division variable pitch and unequal division variable pitch.
It should be understood that the transmission assembly in this embodiment may further include a hydraulic cylinder, an air cylinder, a motor, an electromagnet, etc., and only needs to provide a rotation power for the ball screw 5, and the motor is used in this embodiment for illustration only.
Preferably, the slider 3 is provided with a bracket 9 on which a suction nozzle 10 is mounted.
It should be noted that, in the production process, the slider 3 on the control mechanism moves to the position where the component is placed, the suction nozzle 10 sucks the component by suction, and then the control mechanism carries the component to the specified position. In addition, other components can be mounted on the bracket 9 as required, and the embodiment will be described only with respect to the scheme for mounting the suction nozzle 10.
Preferably, the support 9 is an L-shaped structure, and may be an L-shaped structure formed by connecting a support arm and a suspension arm, wherein one end of the support arm is connected to the suspension arm, and the other end of the support arm is fixed on the slider 3.
Preferably, the cantilever of the bracket 9 is provided with a mounting hole with internal threads, the suction nozzle 10 is provided with external threads, and the suction nozzle 10 is mounted on the mounting hole through the matching of the internal threads and the external threads.
Specifically, the threaded engagement facilitates easy removal and installation of the suction nozzle 10.
Preferably, the frame 2 includes a first mounting plate 21, a second mounting plate 22 and a third mounting plate 23, the first mounting plate 21 and the second mounting plate 22 are respectively mounted at two ends of the third mounting plate 23, and two ends of the guide shaft 1 are respectively fixed on the first mounting plate 21 and the second mounting plate 22.
Preferably, the first mounting plate 21 and the second mounting plate 22 are provided with mounting holes, bearing inner rings are mounted in the mounting holes, and two ends of the ball screw 5 are respectively fixed with the bearing inner rings on the first mounting plate 21 and the second mounting plate 22.
Specifically, when a certain mounting plate or a component is damaged and needs to be replaced, the frame 2 adopts the mode that two mounting plates are mounted at two ends of the third mounting plate, so that the cost of replacing the whole frame 2 due to the damage of the certain mounting plate is reduced, and meanwhile, the mounting and the replacement of the component are facilitated.
Preferably, the timing pulley 7 is mounted outside the first mounting plate 21 or outside the second mounting plate 22 and at the shaft end of the ball screw 5 passing through the first mounting plate 21 or the second mounting plate 22.
Preferably, a connecting plate is arranged on the first mounting plate 21 or the second mounting plate 22, a threaded hole is formed in the connecting plate, the servo motor 6 is fixed on the first mounting plate 21 or the second mounting plate 22 through nuts and threaded matching, and the servo motor 6 and the synchronous pulley 7 are arranged on the same side.
The utility model discloses earlier through the distance of setting for every slider and being separated by, control servo motor again and rotate, it is rotatory to drive ball, makes the slider move the assigned position to realized the unequal pitch, solved among the prior art pitch change mechanism can't carry out unequal pitch change, thereby lead to the problem that production efficiency is low.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. An unequal pitch mechanism, comprising: the device comprises a guide shaft (1), a frame (2), a bearing inner ring, at least 4 transmission assemblies and at least 4 sliding assemblies; the sliding assembly comprises a sliding block (3), a linear bearing (4) and a ball screw (5); the frame (2) is provided with a mounting hole, and the bearing inner ring is mounted in the mounting hole; linear bearing (4) are installed in the holes of the front end and the rear end of the sliding block (3), the guide shaft (1) penetrates through the linear bearing (4) and is fixed on the frame (2), the ball screw (5) penetrates through the sliding block (3) and is installed on one of the sliding blocks (3), the ball screw (5) is fixed with the bearing inner ring on the frame (2), and the transmission assembly is fixed on the frame (2) and is connected with the ball screw (5) in a one-to-one correspondence mode.
2. The unequal pitch mechanism according to claim 1, wherein the drive assembly comprises: a servo motor (6), a synchronous pulley (7) and a synchronous belt (8); the synchronous belt (8) is connected with the servo motor (6) and the synchronous belt wheel (7); and a synchronous pulley (7) is arranged at the shaft end of the ball screw (5).
3. The unequal pitch mechanism according to claim 1, wherein a support (9) is provided on the slider (3), and a suction nozzle (10) is mounted on the support.
4. Unequal pitch mechanism according to claim 3, wherein the bracket (9) is of L-shaped construction.
5. The unequal pitch mechanism according to claim 4, wherein the bracket (9) is provided at one end with a mounting hole with internal threads, the suction nozzle (10) is provided with external threads, and the suction nozzle (10) is mounted in the mounting hole by threaded fit.
6. The unequal pitch mechanism according to claim 2, wherein the frame (2) comprises a first mounting plate (21), a second mounting plate (22) and a third mounting plate (23), the first mounting plate (21) and the second mounting plate (22) are respectively mounted at two ends of the third mounting plate (23), and two ends of the guide shaft (1) are respectively fixed on the first mounting plate (21) and the second mounting plate (22).
7. The unequal pitch mechanism according to claim 6, wherein the first mounting plate (21) and the second mounting plate (22) are provided with mounting holes, bearing inner rings are mounted in the mounting holes, and two ends of the ball screw (5) are respectively fixed with the bearing inner rings on the first mounting plate (21) and the second mounting plate (22).
8. The unequal pitch mechanism according to claim 6, wherein the timing pulley (7) is mounted outside the first mounting plate (21) or outside the second mounting plate (22) and at an axial end of the ball screw (5) that passes through the first mounting plate (21) or the second mounting plate (22).
9. The unequal pitch mechanism according to claim 7, wherein a connecting plate is arranged on the first mounting plate (21) or the second mounting plate (22), a threaded hole is arranged on the connecting plate, the servo motor (6) is fixed on the first mounting plate (21) or the second mounting plate (22) through nut and thread fit, and the servo motor (6) and the synchronous pulley (7) are arranged on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071387.8U CN209994789U (en) | 2019-01-16 | 2019-01-16 | Unequal pitch-changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071387.8U CN209994789U (en) | 2019-01-16 | 2019-01-16 | Unequal pitch-changing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209994789U true CN209994789U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920071387.8U Active CN209994789U (en) | 2019-01-16 | 2019-01-16 | Unequal pitch-changing mechanism |
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|---|---|
| CN (1) | CN209994789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056867A (en) * | 2021-11-19 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Single main shaft module, carrying mechanism and automatic assembly equipment |
-
2019
- 2019-01-16 CN CN201920071387.8U patent/CN209994789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056867A (en) * | 2021-11-19 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Single main shaft module, carrying mechanism and automatic assembly equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 230088 room a400, University Science Park, 602 Huangshan Road, high tech Zone, Hefei City, Anhui Province Patentee after: Hefei Anxin Precision Technology Co.,Ltd. Address before: 230061 Building 1, yizhi science and Technology Industrial Park, 388 Yanzihe Road, high tech Zone, Hefei City, Anhui Province Patentee before: HEFEI ITEK PHOTOELECTRICS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |