A kind of inserting fixture for automatically correcting shaft parts

By using technical means such as spring seats and guide columns in the insertion fixture of automatic calibration shaft-type parts, the stability and accuracy problems when the matching tolerance requirements of the shaft-type parts and molds in the existing technology are solved, and the shaft is realized Accurate insertion and tolerance compensation for class parts.

CN108406299BInactive Publication Date: 2025-01-10DONGGUAN ZHUNDA AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN201810564510.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-06-04
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the coupling tolerance of existing shaft parts and molds is required to be within positive and negative zero point zero two, and above 700 mm, it is difficult to achieve stable production, and manual debugging and accurate alignment are difficult, and tolerance errors are not allowed. Possibly reaching ten or twenty silks.

Method used

A kind of insertion fixture for automatically correcting shaft-type parts is designed. By setting a spring seat and a spring on the movable plate, the error is absorbed, and the guide column is applied to the mold, combining precision bearing guide sleeves and cylinders, automatic tolerance compensation and correction is achieved. , ensure accurate insertion and insertion of shaft parts.

Benefits of technology

It realizes accurate insertion and insertion of shaft parts and molds within a smaller tolerance range, reducing the error of manual commissioning and ensuring production stability and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an inserting jig for automatically correcting shaft parts, comprising a manipulator, a movable plate and a mold, wherein a suction cup is arranged on the front surface of the manipulator, and the suction cup is fixedly connected to the manipulator, a first bending head is arranged above the manipulator, and the first bending head is fixedly connected to the manipulator, a shaft core feeding jig plate is arranged on the right end of the manipulator, and the shaft core feeding jig plate is fixedly connected to the manipulator; the bearing guide sleeve and the barrel on the movable plate are fixed on the movable plate, and the positions of the guide column and the shaft parts on the mold are absolutely consistent with the bearing guide sleeve and the barrel of the movable plate on the manipulator, so that it can be ensured that neither the upper and lower mold errors nor the manipulator errors will affect the precise insertion or embedding of the shaft parts into the mold, and all errors are absorbed by the spring on the movable plate, and then the tolerance is automatically compensated and corrected through the coordinated movement of the guide column and the bearing.
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Description

Technical Field

[0001] The invention belongs to the technical field of inserting jigs, and in particular relates to an inserting jig for automatically correcting shaft parts. Background Art

[0002] Shaft parts are common components in the mechanical field, that is, shaft parts. In industrial products, shaft parts are suitable for maintenance operations of one or more CNC machine tool processing parts. Shaft parts are one of the typical parts often encountered in hardware accessories. They are mainly used to support transmission parts, transmit torque and bear loads. According to the different structural forms of shaft parts, they can generally be divided into three categories: smooth shaft, stepped shaft and special-shaped shaft; or divided into solid shaft, hollow shaft, etc.

[0003] The existing shaft-type insert fixtures can meet part of the market demand when the matching tolerance between the mold and the shaft is above plus or minus 0.05 mm. However, if the matching tolerance between the shaft and the mold is required to be within plus or minus 0.02, it is difficult to have stable production of upright coordinate robots with a stroke of more than 700 mm and such fixed fixtures, and it is difficult to accurately align the machine each time it is debugged. After manually adjusting the fixture position, the tolerance of tightening the screws may have a tolerance of ten or twenty threads. Summary of the invention

[0004] The purpose of the present invention is to provide an inserting jig for automatically correcting shaft parts, so as to solve the problem that the robot jig proposed in the above background technology can meet part of the market demand when the matching tolerance of the mold and the shaft parts is above plus or minus 0.05 mm. However, for the matching tolerance of the shaft parts and the mold within plus or minus 0.02, it is difficult to have stable production of upright coordinate robots and such fixed jigs with a stroke of more than 700 mm, and it is difficult to accurately align the machine each time. After manually adjusting the position of the jig, the tolerance of tightening the screws may have a tolerance of ten or twenty threads.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A plug-in jig for automatically correcting shaft parts, comprising a manipulator, a movable plate and a mold, a suction cup is provided on the front surface of the manipulator, the suction cup is fixedly connected to the manipulator, a first bending head is provided above the manipulator, the first bending head is fixedly connected to the manipulator, a shaft core feeding jig plate is provided at the right end of the manipulator, the shaft core feeding jig plate is fixedly connected to the manipulator, a spring seat is provided on the front surface of the shaft core feeding jig plate, the spring seat is fixedly connected to the shaft core feeding jig plate, a spring is provided on the outer side wall of the spring seat, the spring is fixedly connected to the spring seat, the movable plate is provided on the front surface of the shaft core feeding jig plate, the movable plate is slidably connected to the shaft core feeding jig plate, a barrel is provided on the front surface of the movable plate, the barrel is fixedly connected to the movable plate, the material An insert pin is provided inside the barrel, and the insert pin is slidably connected to the barrel. A second bending head is provided on the outer wall of the barrel, and the second bending head is fixedly connected to the barrel. A bearing guide sleeve is provided on the front surface of the movable plate, and the bearing guide sleeve is rotatably connected to the movable plate. A bearing seat is provided at the bottom of the bearing guide sleeve, and the bearing seat is fixedly connected to the bearing guide sleeve. A small cylinder is provided at the bottom of the movable plate, and the small cylinder is fixedly connected to the movable plate. A small cylinder pressure plate is provided at the bottom of the small cylinder, and the small cylinder pressure plate is fixedly connected to the small cylinder. The mold is provided on the left side of the manipulator, and a guide column is provided on the right side wall of the mold, and the guide column is fixedly connected to the mold. Mold insert holes are provided on the upper and lower sides of the guide column, and the mold insert holes are fixedly connected to the mold.

[0007] Preferably, eight springs are provided in total, one end of each spring is connected to the spring seat and the other end is fixedly connected to the movable plate.

[0008] Preferably, the bearing seat is located at the bottom of the movable plate, the bearing seat is fixedly connected to the movable plate via a nut, and the bearing guide sleeve is fixedly connected to the movable plate via the bearing seat.

[0009] Preferably, there are two small cylinders in total, both located at the bottom of the barrel, and the output end of the small cylinder is provided with the inserting needle, and the inserting needle is transmission-connected to the small cylinder.

[0010] Preferably, two guide columns are provided, the bearing guide sleeve is provided on the right side of the guide column, and the bearing guide sleeve corresponds to the guide column one by one.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: an automatic correction shaft-type component insertion jig of the present invention, by setting a spring seat, and setting a spring on the outer side wall of the spring seat, so that the spring is connected to the movable plate, and by punching two guide columns on the mold, and then installing two precision bearing guide sleeves on the movable plate, the bearing guide sleeve and the barrel on the movable plate are fixed on the movable plate, and the positions of the guide columns and shaft-type components on the mold are absolutely consistent with the bearing guide sleeve and the barrel of the movable plate on the manipulator, so that it can be ensured that neither the upper and lower mold errors nor the manipulator errors will affect the precise insertion or embedding of shaft-type components into the mold, and all errors are absorbed by the spring on the movable plate, and then the tolerance is automatically compensated and corrected through the coordinated movement of the guide columns and bearings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 It is a structural schematic diagram of a bottom view of the present invention;

[0014] Figure 3 It is a schematic diagram of the structure of the top view of the present invention;

[0015] Figure 4 It is a structural schematic diagram of the alignment device of the present invention;

[0016] In the figure: 1. Robot; 11. Suction cup; 12. First bending head; 13. Shaft core loading fixture plate; 14. Spring seat; 15. Spring; 2. Movable plate; 21. Barrel; 211. Insert needle; 22. Second bending head; 23. Bearing guide sleeve; 24. Bearing seat; 25. Small cylinder; 26. Small cylinder pressure plate; 3. Mold; 31. Guide column; 32. Mold insert hole. DETAILED DESCRIPTION

[0017] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-4A plug-in fixture for automatically correcting shaft parts includes a manipulator 1, a movable plate 2 and a mold 3. A suction cup 11 is provided on the front surface of the manipulator 1, and the suction cup 11 is fixedly connected to the manipulator 1. A first bending head 12 is provided above the manipulator 1, and the first bending head 12 is fixedly connected to the manipulator 1. A shaft core feeding fixture plate 13 is provided at the right end of the manipulator 1, and the shaft core feeding fixture plate 13 is fixedly connected to the manipulator 1. A spring seat 14 is provided on the front surface of the shaft core feeding fixture plate 13, and the spring seat 14 is fixedly connected to the shaft core feeding fixture plate 13. A spring 15 is provided on the outer wall of the spring seat 14, and the spring 15 is fixedly connected to the spring seat 14. A movable plate 2 is provided on the front surface of the shaft core feeding fixture plate 13, and the movable plate 2 is slidably connected to the shaft core feeding fixture plate 13. A barrel 21 is provided on the front surface of the movable plate 2, and the barrel 21 is fixedly connected to the movable plate 2. A pin 211 is provided inside, and the pin 211 is slidably connected to the barrel 21. A second bending head 22 is provided on the outer wall of the barrel 21, and the second bending head 22 is fixedly connected to the barrel 21. A bearing guide sleeve 23 is provided on the front surface of the movable plate 2, and the bearing guide sleeve 23 is rotatably connected to the movable plate 2. A bearing seat 24 is provided at the bottom of the bearing guide sleeve 23, and the bearing seat 24 is fixedly connected to the bearing guide sleeve 23. A small cylinder 25 is provided at the bottom of the movable plate 2, and the small cylinder 25 is fixedly connected to the movable plate 2. A small cylinder pressure plate 26 is provided at the bottom of the small cylinder 25, and the small cylinder pressure plate 26 is fixedly connected to the small cylinder 25. A mold 3 is provided on the left side of the manipulator 1, and a guide column 31 is provided on the right side wall of the mold 3, and the guide column 31 is fixedly connected to the mold 3. Mold insert holes 32 are provided on the upper and lower sides of the guide column 31, and the mold insert holes 32 are fixedly connected to the mold 3.

[0019] In the present embodiment, a spring 15 is arranged on the outer wall of the spring seat 14 to connect the spring 15 to the movable plate 2, and two guide columns 31 are punched on the mold 3, and then two precision bearing guide sleeves 23 are installed on the movable plate 2. The bearing guide sleeve 23 and the barrel 21 on the movable plate 2 are fixed on the movable plate 2, and the positions of the guide columns 31 and shaft parts on the mold 3 are absolutely consistent with the bearing guide sleeve 23 and the barrel 21 of the movable plate 2 on the manipulator 1. In this way, it can be ensured that neither the upper and lower mold errors nor the manipulator 1 errors will affect the precise insertion or embedding of shaft parts into the mold 3, and all errors are absorbed by the spring 15 on the movable plate 2, and then the tolerance is automatically compensated and corrected through the coordinated movement of the guide columns 31 and the bearings.

[0020] Furthermore, a total of eight springs 15 are provided, one end of the spring 15 is connected to the spring seat 14 and the other end is fixedly connected to the movable plate 2 .

[0021] In this embodiment, a spring 15 is provided to enable the spring 15 to drive the movable plate 2 to move.

[0022] Furthermore, the bearing seat 24 is located at the bottom of the movable plate 2 , the bearing seat 24 is fixedly connected to the movable plate 2 via a nut, and the bearing guide sleeve 23 is fixedly connected to the movable plate 2 via the bearing seat 24 .

[0023] In this embodiment, the bearing seat 24 is provided to fix the bearing guide sleeve 23 , which has a simple structure and is easy to operate.

[0024] Furthermore, there are two small cylinders 25, both located at the bottom of the barrel 21, and an inserting needle 211 is provided at the output end of the small cylinder 25, and the inserting needle 211 is transmission-connected to the small cylinder 25 to move.

[0025] In this embodiment, a small cylinder 25 is provided to drive the cylinder 21 to move the

[0026] Furthermore, two guide posts 31 are provided in total, and a bearing guide sleeve 23 is provided on the right side of the guide post 31 , and the bearing guide sleeve 23 corresponds to the guide post 31 one by one.

[0027] In this embodiment, the bearing guide sleeve 23 corresponds to the guide column 31 one by one, so that the bearing guide sleeve 23 can be received in the guide column 31 .

[0028] In this embodiment, the model of the small cylinder 25 is SC63.

[0029] The working principle of the present invention is: during debugging, the bearing guide sleeve is inserted into the guide column, and when it enters the set distance, the insert pin 211 of the barrel 21 enters the mold insert hole 32 on the mold 3, and the insert pin 211 of the barrel 21 moves forward under the push of the small cylinder 25, and pushes the insert pin 211 into the mold insert hole 32. The position of the guide column 31 and the shaft parts on the mold 3 is absolutely consistent with the bearing guide sleeve 23 and the barrel 21 of the movable plate 2 on the manipulator 1. In this way, it can be ensured that neither the upper and lower mold errors nor the manipulator 1 errors will affect the precise insertion or embedding of the shaft parts into the mold 3. All errors are absorbed by the spring 15 on the movable plate 2, and then the tolerance is automatically compensated and corrected through the coordinated movement of the guide column 31 and the bearing guide sleeve 23.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inserting fixture for automatically correcting shaft parts, characterized in that: The invention comprises a manipulator (1), a movable plate (2) and a mould (3), wherein a suction cup (11) is arranged on the front surface of the manipulator (1), and the suction cup (11) is fixedly connected to the manipulator (1); a first bending head (12) is arranged above the manipulator (1), and the first bending head (12) is fixedly connected to the manipulator (1); a shaft core feeding fixture plate (13) is arranged at the right end of the manipulator (1), and the shaft core feeding fixture plate (13) is fixedly connected to the manipulator (1); a spring seat (14) is arranged on the front surface of the shaft core feeding fixture plate (13), and the spring seat (14) is fixedly connected to the shaft core feeding fixture plate (13); the spring seat (14) ) is provided with a spring (15) on the outer wall thereof, the spring (15) being fixedly connected to the spring seat (14), the movable plate (2) being provided on the front surface of the shaft core feeding jig plate (13), the movable plate (2) being slidably connected to the shaft core feeding jig plate (13), the barrel (21) being provided on the front surface thereof, the barrel (21) being fixedly connected to the movable plate (2), the barrel (21) being provided with an inserting pin (211) inside thereof, the inserting pin (211) being slidably connected to the barrel (21), the outer wall of the barrel (21) being provided with a second bending head (22), the second bending head (22) being fixedly connected to the barrel (21) The movable plate (2) is connected to the movable plate (2), the front surface of the movable plate (2) is provided with a bearing guide sleeve (23), the bearing guide sleeve (23) is rotatably connected to the movable plate (2), the bottom of the bearing guide sleeve (23) is provided with a bearing seat (24), the bearing seat (24) is fixedly connected to the bearing guide sleeve (23), the bottom of the movable plate (2) is provided with a small cylinder (25), the small cylinder (25) is fixedly connected to the movable plate (2), the bottom of the small cylinder (25) is provided with a small cylinder pressure plate (26), the small cylinder pressure plate (26) is fixedly connected to the small cylinder (25), the left side of the manipulator (1) is provided with the mold (3), the mold ( A guide column (31) is provided on the right side wall of the mold (3), the guide column (31) is fixedly connected to the mold (3), mold insert holes (32) are provided on the upper and lower sides of the guide column (31), the mold insert holes (32) are fixedly connected to the mold (3), a total of eight springs (15) are provided, one end of the spring (15) is connected to the spring seat (14) and the other end is fixedly connected to the movable plate (2), the bearing seat (24) is located at the bottom of the movable plate (2), the bearing seat (24) is fixedly connected to the movable plate (2) through a nut, and the bearing guide sleeve (23) is fixedly connected to the movable plate (2) through the bearing seat (24).

2. The automatic correction shaft inserting jig according to claim 1 is characterized in that: Two small cylinders (25) are provided, both located at the bottom of the barrel (21), and the output end of the small cylinder (25) is provided with the inserting needle (211), and the inserting needle (211) is drivingly connected to the small cylinder (25).

3. The automatic correction shaft inserting jig according to claim 1 is characterized in that: Two guide columns (31) are provided in total, and the bearing guide sleeve (23) is provided on the right side of the guide column (31), and the bearing guide sleeve (23) corresponds to the guide column (31) one by one.

Citation Information

Patent Citations

  • Automatic tool is inlayed in inserting of school positive axial class piece

    CN208276489U