Index plate device with positioning pin

The indexing plate device, which combines positioning pins and photoelectric sensors, solves the problem of indexing instability caused by gear transmission backlash, and achieves stable and smooth rotation of the indexing plate.

CN223481418UActive Publication Date: 2025-10-28KUNSHAN PULIFEI PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202422877531.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-28
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

There is a return gap in the gear transmission of the existing indexing device, which leads to the problem of unstable and unsmooth indexing.

Method used

The indexing plate device with positioning pins is adopted. The indexing gear is driven to rotate by a servo motor. Combined with photoelectric sensors and electromagnets, the stability and smoothness of the indexing plate are achieved.

Benefits of technology

It improves the smoothness and stability of the indexing plate, avoids indexing instability caused by return backlash, and ensures that the indexing plate stops rotating after every 120 degrees.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of jigs, and discloses an index plate device with a positioning pin, which comprises a fixing plate, the top end of the fixing plate is fixedly connected with a limiting plate, a supporting seat is fixedly sleeved in an inner cavity of the limiting plate, a thrust bearing is movably connected in an inner cavity of the supporting seat, a rotating shaft is fixedly inserted in an inner cavity of the thrust bearing, and a positioning pin is arranged in the inner cavity of the rotating shaft. The rotating shaft has the rotating freedom degree through a thrust bearing, an indexing gear is fixedly connected to the top end of the rotating shaft, a positioning pin is connected to the top end of the indexing gear in an inserted mode, and the indexing gear is connected with the indexing plate through the positioning pin. The photoelectric sensor triggers the control equipment, and the control equipment controls the electromagnet to be electrified, so that the iron disc and the electromagnet are magnetically attracted, the index plate is fixed, the index plate stops rotating, the situation that the index plate stops stably due to a return clearance between the index gear and the driving gear is avoided, and indexing smoothness is improved.
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Description

Technical Field

[0001] This utility model relates to the field of fixture technology, and more specifically, to an indexing plate device with positioning pins. Background Technology

[0002] In the process of manufacturing three-dimensional integral woven prefabricated bodies, a weaving mechanism is required. However, in order to ensure the continuity of the weaving process, some auxiliary equipment needs to be added in addition to the weaving mechanism to assist the weaving mechanism and thus make the entire weaving process continuous. The indexing plate device is one of them. However, in the existing technology, the indexing device generally uses gear transmission. However, there is a backlash between gear transmissions. This backlash may cause the indexing device to be unstable, resulting in a less smooth indexing. Utility Model Content

[0003] The purpose of this invention is to provide an indexing plate device with positioning pins to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an indexing plate device with a positioning pin, comprising a fixed plate, a limiting plate fixedly connected to the top of the fixed plate, a support seat fixedly fitted inside the inner cavity of the limiting plate, a thrust bearing movably connected to the inner cavity of the support seat, a rotating shaft fixedly inserted into the inner cavity of the thrust bearing, the rotating shaft having a degree of freedom of rotation through the thrust bearing, an indexing gear fixedly connected to the top of the rotating shaft, a positioning pin inserted into the top of the indexing gear, and the indexing gear connected to the indexing plate through the positioning pin;

[0005] A servo motor is fixedly connected to the bottom end of a fixed plate. A drive gear is fixedly mounted on the output shaft of the servo motor. The indexing gear and the drive gear have rotational freedom. An iron disc is fixedly connected to the bottom end of the indexing plate. A blocking post is fixedly connected to the bottom end of the indexing plate. A photoelectric sensor is fixedly connected to the right side of the limiting plate. An electromagnet is fixedly connected to the top end of the fixed plate. The indexing plate is disc-shaped.

[0006] The beneficial effects of adopting the above technical solution are as follows: the prefabricated part is fixed above the indexing plate through the positioning hole. Then, the servo motor is started to drive the drive gear to rotate, which in turn drives the indexing gear to rotate. When the indexing gear rotates, it drives the rotating shaft to rotate, which in turn drives the indexing plate to rotate, thereby causing the prefabricated part to rotate. When the blocking column moves into the inner cavity of the photoelectric sensor, the iron plate moves above the electromagnet. At this time, the photoelectric sensor triggers the control device, which controls the electromagnet to be energized, so that the iron plate and the electromagnet are magnetically attracted, thereby fixing the indexing plate and stopping its rotation. Furthermore, the indexing plate will not stop unstably due to the backlash between the indexing gear and the drive gear, thus improving the smoothness of indexing.

[0007] As a further improvement of this utility model, a cleaning soft brush is fixedly connected to the bottom end of the indexing plate, and the photoelectric sensor is located on the moving path of the cleaning soft brush.

[0008] The beneficial effect of adopting the above technical solution is that by moving the cleaning soft brush to the inner cavity of the photoelectric sensor, the inner cavity of the photoelectric sensor can be cleaned by the cleaning soft brush, thereby avoiding the photoelectric sensor's inner cavity from being less sensitive due to dust.

[0009] As a further improvement of this utility model, the top of the indexing plate is provided with a positioning hole, and there are multiple positioning pins, all of which are inserted into the top of the indexing plate.

[0010] The beneficial effect of adopting the above technical solution is that the prefabricated parts can be fixed through the positioning holes at the top of the indexing plate.

[0011] As a further improvement of this utility model, there are three blocking posts, all of which are fixedly installed at the bottom of the indexing plate, and the included angle between two adjacent blocking posts is 120 degrees.

[0012] The beneficial effect of adopting the above technical solution is that by setting three blocking columns and the included angle between adjacent blocking columns being 120 degrees, the indexing plate stops rotating after rotating 120 degrees, thereby enabling the indexing plate to be indexed.

[0013] As a further improvement of this utility model, there are six iron discs in total, and all six iron discs are fixedly connected to the bottom end of the indexing plate, with an included angle of 60 degrees between two adjacent iron discs.

[0014] The beneficial effect of adopting the above technical solution is that by setting up six iron plates, when the shielding column is located in the inner cavity of the photoelectric sensor, two iron plates will always be in contact with the electromagnet, thereby ensuring that the iron plates can be stably magnetically attracted to the electromagnet, and thus fixing the indexing plate.

[0015] As a further improvement of this utility model, the drive gear meshes with the indexing gear, and the output shaft of the servo motor passes through the limiting plate and is fixedly connected to the drive gear;

[0016] The beneficial effects of adopting the above technical solution are: by meshing the drive gear and the indexing gear, the servo motor drives the drive gear to rotate. When the drive gear rotates, it can drive the indexing gear to rotate, and then drive the indexing plate to rotate through the indexing gear, thereby driving the preform to rotate.

[0017] As a further improvement of this utility model, the bottom end of the iron plate is attached to the top end of the electromagnet, and the photoelectric sensor is located on the moving path of the blocking column.

[0018] The beneficial effect of adopting the above technical solution is that by attaching the bottom end of the iron plate to the top end of the electromagnet, the iron plate and the electromagnet can be magnetically attracted after the electromagnet is energized, thereby fixing the indexing plate.

[0019] As a further improvement of this utility model, the cleaning soft brush is fitted into the inner cavity of the photoelectric sensor, and the photoelectric sensor is electrically connected to the electromagnet.

[0020] The beneficial effects of adopting the above technical solution are: by cleaning the soft brush and attaching it to the inner cavity of the photoelectric sensor, the soft brush can adhere to the inner cavity of the photoelectric sensor. Then, by electrically connecting the photoelectric sensor with the electromagnet, the photoelectric sensor can trigger the electromagnet, causing the electromagnet to magnetically attract the iron disc. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This utility model Figure 1 Enlarged connection diagram at point A in the middle;

[0023] Figure 3 This is a schematic diagram of the electromagnet connection of the present invention;

[0024] Figure 4 This is a schematic diagram of the servo motor connection of the present invention.

[0025] Figure 5 This is a schematic diagram of the connection of the photoelectric sensor structure of this utility model;

[0026] Figure 6 This is a schematic diagram of the connection of the structural support base of this utility model.

[0027] In the diagram: 1. Fixed plate; 2. Limiting plate; 3. Support base; 4. Thrust bearing; 5. Rotating shaft; 6. Indexing gear; 7. Positioning pin; 8. Indexing plate; 9. Iron plate; 10. Blocking column; 11. Electromagnet; 12. Photoelectric sensor; 13. Servo motor; 14. Drive gear; 15. Cleaning soft brush; 16. Positioning hole. Detailed Implementation

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] like Figures 1 to 5 As shown, this utility model provides an indexing plate device with a positioning pin, including a fixed plate 1, a limiting plate 2 fixedly connected to the top of the fixed plate 1, a support base 3 fixedly fitted inside the cavity of the limiting plate 2, a thrust bearing 4 movably connected inside the cavity of the support base 3, a rotating shaft 5 fixedly inserted into the cavity of the thrust bearing 4, the rotating shaft 5 having a degree of freedom of rotation through the thrust bearing 4, an indexing gear 6 fixedly connected to the top of the rotating shaft 5, a positioning pin 7 inserted into the top of the indexing gear 6, and the indexing gear 6 connected to the indexing plate 8 through the positioning pin 7;

[0030] Servo motor 13 is fixedly connected to the bottom of fixed plate 1. The output shaft of servo motor 13 is fixedly fitted with drive gear 14. Indexing gear 6 and drive gear 14 have rotational freedom. Iron plate 9 is fixedly connected to the bottom of indexing plate 8. Blocking column 10 is fixedly connected to the bottom of indexing plate 8. Photoelectric sensor 12 is fixedly connected to the right side of limit plate 2. Electromagnet 11 is fixedly connected to the top of fixed plate 1. Indexing plate 8 is disc-shaped.

[0031] The beneficial effects of adopting the above technical solution are as follows: the prefabricated part is fixed above the indexing plate 8 through the positioning hole 16. Then, the servo motor 13 is started to drive the drive gear 14 to rotate. The drive gear 14 drives the indexing gear 6 to rotate. When the indexing gear 6 rotates, it drives the rotating shaft 5 to rotate. When the rotating shaft 5 rotates, it drives the indexing plate 8 to rotate, thereby driving the prefabricated part to rotate. When the blocking column 10 moves to the inner cavity of the photoelectric sensor 12, the iron plate 9 moves above the electromagnet 11. At this time, the photoelectric sensor 12 triggers the control device. The control device controls the electromagnet 11 to be energized, so that the iron plate 9 and the electromagnet 11 are magnetically attracted, thereby fixing the indexing plate 8 and stopping the indexing plate 8 from rotating. Moreover, the indexing plate 8 will not stop unstably due to the return gap between the indexing gear 6 and the drive gear 14, thus improving the smoothness of indexing.

[0032] In one embodiment of this utility model, a cleaning soft brush 15 is fixedly connected to the bottom end of the indexing plate 8, and the photoelectric sensor 12 is located on the moving path of the cleaning soft brush 15.

[0033] The beneficial effect of adopting the above technical solution is that by moving the cleaning soft brush 15 to the inner cavity of the photoelectric sensor 12, the inner cavity of the photoelectric sensor 12 can be cleaned by the cleaning soft brush 15, thereby avoiding the photoelectric sensor 12 from being less sensitive due to dust.

[0034] In one embodiment of this utility model, a positioning hole 16 is provided at the top of the indexing plate 8, and there are multiple positioning pins 7, all of which are inserted into the top of the indexing plate 8.

[0035] The beneficial effect of adopting the above technical solution is that the prefabricated part can be fixed through the positioning hole 16 at the top of the indexing plate 8.

[0036] In one embodiment of this utility model, there are three blocking posts 10, and all three blocking posts 10 are fixedly installed at the bottom of the indexing plate 8. The included angle between two adjacent blocking posts 10 is 120 degrees.

[0037] The beneficial effect of adopting the above technical solution is that by setting three blocking pillars 10 and the included angle between adjacent blocking pillars 10 is 120 degrees, the indexing plate 8 stops rotating after rotating 120 degrees, thereby enabling the indexing plate 8 to be indexed.

[0038] In one embodiment of this utility model, there are six iron discs 9 in total, and all six iron discs 9 are fixedly connected to the bottom end of the indexing plate 8. The included angle between two adjacent iron discs 9 is 60 degrees.

[0039] The beneficial effect of adopting the above technical solution is that, by setting up six iron plates 9, when the blocking post 10 is located in the inner cavity of the photoelectric sensor 12, two iron plates 9 will always be in contact with the electromagnet 11, thereby ensuring that the iron plates 9 can be stably magnetically attracted to the electromagnet 11, and thus fixing the indexing plate 8.

[0040] In one embodiment of this utility model, the drive gear 14 meshes with the indexing gear 6, and the output shaft of the servo motor 13 passes through the limiting plate 2 and is fixedly connected to the drive gear 14.

[0041] The beneficial effects of adopting the above technical solution are: by meshing the drive gear 14 with the indexing gear 6, the servo motor 13 drives the drive gear 14 to rotate. When the drive gear 14 rotates, it can drive the indexing gear 6 to rotate, and then drive the indexing plate 8 to rotate through the indexing gear 6, thereby driving the preform to rotate.

[0042] In one embodiment of this utility model, the bottom end of the iron plate 9 is attached to the top end of the electromagnet 11, and the photoelectric sensor 12 is located on the moving path of the blocking column 10.

[0043] The beneficial effect of adopting the above technical solution is that by attaching the bottom end of the iron plate 9 to the top end of the electromagnet 11, the iron plate 9 and the electromagnet 11 can be magnetically attracted after the electromagnet 11 is energized, thereby fixing the indexing plate 8.

[0044] In one embodiment of this utility model, the cleaning soft brush 15 is fitted into the inner cavity of the photoelectric sensor 12, and the photoelectric sensor 12 is electrically connected to the electromagnet 11.

[0045] The beneficial effects of adopting the above technical solution are: by the cleaning soft brush 15 being attached to the inner cavity of the photoelectric sensor 12, the cleaning soft brush 15 can be attached to the inner cavity of the photoelectric sensor 12. Then, by the photoelectric sensor 12 being electrically connected to the electromagnet 11, the photoelectric sensor 12 can trigger the electromagnet 11, so that the electromagnet 11 is magnetically attracted to the iron plate 9.

[0046] The working principle and usage process of this utility model are as follows: The preform is positioned at the top of the indexing plate 8 through the positioning hole 16, and the parallelism between the narrow slit channel formed by the carbon rod array in the preform tooling and the direction of the weft insertion system tooling on one side is ensured.

[0047] During processing, the servo motor 13 is then started to drive the drive gear 14 to rotate. Through the meshing of the drive gear 14 and the indexing gear 6, the indexing gear 6 is driven to rotate. The indexing gear 6 drives the rotating shaft 5 to rotate, and the rotating shaft 5 drives the indexing plate 8 to rotate, thereby driving the preform at the top of the indexing plate 8 to rotate. When the blocking column 10 moves into the inner cavity of the photoelectric sensor 12, a certain iron plate 9 moves above the electromagnet 11. The photoelectric sensor 12 transmits a signal to the control device, and then the control device energizes the electromagnet 11. The energized electromagnet 11 magnetically attracts the iron plate 9, thereby fixing the indexing plate 8 and stopping its rotation. Thus, the indexing plate 8 stops moving after rotating 120 degrees.

[0048] When the cleaning soft brush 15 enters the inner cavity of the photoelectric sensor 12, the upper part of the photoelectric sensor 12 is cleaned by the cleaning soft brush 15.

[0049] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An indexing plate device with positioning pins, characterized in that, include: A fixed plate has a limit plate fixedly connected to its top end. A support seat is fixedly fitted inside the cavity of the limit plate. A thrust bearing is movably connected inside the cavity of the support seat. A rotating shaft is fixedly inserted into the cavity of the thrust bearing. The rotating shaft has a degree of freedom of rotation through the thrust bearing. An indexing gear is fixedly connected to the top end of the rotating shaft. A positioning pin is inserted into the top end of the indexing gear. The indexing gear is connected to the indexing plate through the positioning pin. A servo motor is fixedly connected to the bottom end of a fixed plate. A drive gear is fixedly mounted on the output shaft of the servo motor. The indexing gear and the drive gear have rotational freedom. An iron disc is fixedly connected to the bottom end of the indexing plate. A blocking post is fixedly connected to the bottom end of the indexing plate. A photoelectric sensor is fixedly connected to the right side of the limiting plate. An electromagnet is fixedly connected to the top end of the fixed plate. The indexing plate is disc-shaped.

2. The indexing plate device with positioning pins according to claim 1, characterized in that: A cleaning soft brush is fixedly connected to the bottom of the indexing plate, and the photoelectric sensor is located on the moving path of the cleaning soft brush.

3. The indexing plate device with positioning pins according to claim 1, characterized in that: The indexing plate has a positioning hole at its top, and there are multiple positioning pins, all of which are inserted into the top of the indexing plate.

4. The indexing plate device with positioning pins according to claim 1, characterized in that: There are three shielding posts, all of which are fixedly installed at the bottom of the indexing plate, and the included angle between any two adjacent shielding posts is 120 degrees.

5. The indexing plate device with positioning pins according to claim 1, characterized in that: There are six iron discs in total, and all six iron discs are fixedly connected to the bottom of the indexing plate. The included angle between two adjacent iron discs is 60 degrees.

6. The indexing plate device with positioning pins according to claim 1, characterized in that: The drive gear meshes with the indexing gear, and the output shaft of the servo motor passes through the limiting plate and is fixedly connected to the drive gear.

7. The indexing plate device with positioning pins according to claim 1, characterized in that: The bottom of the iron disc is attached to the top of the electromagnet, and the photoelectric sensor is located on the moving path of the blocking column.

8. The indexing plate device with positioning pins according to claim 2, characterized in that: The cleaning soft brush is fitted into the inner cavity of the photoelectric sensor, and the photoelectric sensor is electrically connected to the electromagnet.