Automatic centering mechanism

Abstract

The utility model relates to an automatic centering mechanism, which adopts a driving device arranged on a bottom plate; the movable end of the driving device is movably connected to one side of a three-link mechanism; the two sides of the three-link mechanism are respectively movably connected to two sliding devices, and the three-link mechanism drives the sliding device to automatically center; the servo electric cylinder cooperates with the three-link mechanism and the driving slide block limiter to accurately complete the centering of multiple products, and realizes the free switching of the centering spacing; it solves the technical problems that in the traditional automated line machinery assembly process, when designing automated equipment, it is often encountered that when centering products, many products require multiple opening sizes to complete the process design goals, and when designing traditional tooling and fixtures, each product needs to correspond to an opening size, and each product needs a set of centering mechanisms, resulting in tooling and fixtures, the cost is increased, and the tooling and fixtures need to be replaced continuously, resulting in reduced efficiency.

Description

Technical Field

[0001] The embodiment of the utility model relates to a centering mechanism in the technical field of mechanical process equipment in an automated production process, and in particular to an automatic centering mechanism in the technical field of mechanical process equipment in an automated production process. Background Art

[0002] In the traditional automated line machinery assembly process, we often encounter product alignment when designing automated equipment. Many products require multiple opening sizes to achieve the process design goals. When designing traditional tooling and fixtures, each product needs to have an opening size corresponding to it. Each product requires a set of alignment mechanisms, which increases the cost of tooling and fixtures, and requires constant replacement of tooling and fixtures, resulting in reduced efficiency. Utility Model Content

[0003] The purpose of the implementation mode of the utility model is to provide an automatic centering mechanism with high efficiency that can achieve product diversity, save space, save costs, improve the flexibility of automated production lines, and do not require constant replacement of tooling fixtures.

[0004] In order to achieve the above-mentioned purpose, the embodiment of the utility model designs an automatic centering mechanism, including:

[0005] Base plate;

[0006] A driving device, the driving device is arranged on the bottom plate;

[0007] A three-bar linkage, wherein the movable end of the driving device is movably connected to one side of the three-bar linkage;

[0008] Sliding device, both sides of the three-link mechanism are movably connected to two sliding devices respectively;

[0009] The driving device drives the three-link mechanism, and the three-link mechanism drives the sliding device to perform automatic centering.

[0010] Furthermore, in the automatic centering mechanism of the utility model, brackets are fixed on both sides of the bottom plate, and the upper cover connecting plate is fixed above the brackets; and the three-link mechanism is movably connected above the upper cover connecting plate.

[0011] Furthermore, in the automatic centering mechanism of the utility model, the driving device is a servo electric cylinder.

[0012] Furthermore, in the automatic centering mechanism of the utility model, the cylinder body of the servo electric cylinder is fixed on the bottom plate; the piston rod of the servo electric cylinder is movably connected to the sliding device at one end through a piston connecting rod.

[0013] Further, in the automatic centering mechanism of the utility model, the two sliding devices each include:

[0014] A slide rail is fixed on the bottom plate below the driving device;

[0015] A slider movably connected to the slider on the slide rail;

[0016] A clamping claw arm, one end of which is fixed on the sliding block; above the clamping claw arm, it is movably connected to the two ends of the three-link mechanism on the outside of the sliding block.

[0017] Furthermore, in the automatic centering mechanism of the utility model, the three-link mechanism further includes:

[0018] A rotating shaft connecting rod; movably connected to the middle rotating shaft of the rotating shaft connecting rod on the upper cover connecting plate;

[0019] The driving rod is movably connected to one end of the driving rod at both ends of the rotating shaft connecting rod; the other end of the driving rod is movably connected to the outer side of the sliding block.

[0020] Furthermore, in the automatic centering mechanism of the utility model, a slide groove is provided on the upper cover connecting plate below the driving rod, and a sliding sleeve is movably connected in the slide groove.

[0021] Furthermore, in the automatic centering mechanism of the utility model, the two slide rails are fixed on an axis.

[0022] Furthermore, in the automatic centering mechanism of the utility model, a sensing sheet is fixed above the clamping claw arm; below the sensing sheet, a photoelectric switch bracket is fixed on the bottom plate, and a photoelectric switch is fixed on the photoelectric switch bracket.

[0023] Furthermore, in the automatic centering mechanism of the utility model, the clamping claw arm is driven by the servo electric cylinder to move toward the central axis of the automatic centering mechanism to perform automatic centering.

[0024] Compared with the prior art, the implementation method of the utility model adopts the arrangement of the driving device on the bottom plate;

[0025] The movable end of the driving device is movably connected to one side of the three-link mechanism; the two sides of the three-link mechanism are respectively movably connected to the two sliding devices, and the three-link mechanism drives the sliding device to automatically align; the centering mechanism in the utility model can accurately complete the centering of multiple products through the servo electric cylinder, the three-link mechanism and the driving slider limit, and realize the free switching of the centering distance; the efficiency of the automated production line is improved, and the cost of the tooling fixture is reduced, which solves the problem that in the traditional automated line machinery assembly process, when designing automated equipment, product centering is often encountered, and many products require multiple opening sizes to achieve the process design goals. When designing tooling fixtures in the traditional way, each product needs to correspond to an opening size, and each product needs a set of centering mechanisms, which increases the cost of tooling fixtures and requires constant replacement of tooling fixtures, resulting in reduced efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 A schematic diagram of the three-dimensional structure of the utility model after the upper cover connecting plate is removed. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model clearer, the various embodiments of the utility model will be described in detail below with reference to the accompanying drawings. However, it can be understood by those skilled in the art that in the various embodiments of the utility model, many technical details are provided in order to enable readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical schemes claimed for protection in the claims of the present application can be implemented.

[0029] The embodiment of the utility model relates to an automatic centering mechanism, such as Figure 1 and Figure 2 As shown, including:

[0030] The base plate 1 in this embodiment serves as a mounting base for the automatic centering mechanism of this embodiment;

[0031] A driving device is arranged on the bottom plate 1; the driving device is mainly used to drive the three-link mechanism 20;

[0032] The movable end of the driving device is movably connected to one side of the three-link mechanism 20;

[0033] The two sides of the three-link mechanism 20 are movably connected to the two sliding devices 30 respectively; the three-link mechanism 20 drives the sliding devices 30 to slide;

[0034] The driving device drives the three-link mechanism 20, and the three-link mechanism 20 drives the sliding device 30 to perform automatic centering.

[0035] The centering mechanism in this embodiment can accurately complete the centering of multiple products through the driving device, the three-link mechanism 20 and the driving sliding device 30, and realize the free switching of the centering spacing; it improves the efficiency of the automated production line and reduces the cost of tooling and fixtures, and solves the technical problems that often occur in the design of automated equipment during the traditional automated line machinery assembly process, such as product centering and many products requiring multiple opening sizes to achieve the process design goals. When designing tooling and fixtures in the traditional way, each product needs to correspond to an opening size, and each product needs a set of centering mechanisms, which increases the cost of tooling and fixtures, and requires constant replacement of tooling and fixtures, resulting in reduced efficiency.

[0036] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, brackets 2 are fixed on both sides of the bottom plate 1 , and an upper cover connecting plate 3 is fixed above the brackets 2 ; and a three-link mechanism 20 is movably connected above the upper cover connecting plate 3 .

[0037] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, the driving device is a servo electric cylinder 10.

[0038] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, the cylinder body of the servo electric cylinder 10 is fixed on the base plate 1; the piston rod of the servo electric cylinder 10 is movably connected to the sliding device 30 at one end through the piston connecting rod 4. The piston rod of the servo electric cylinder 10 extends to drive the sliding device 30 on one side to extend, and the sliding device 30 on the other side is extended at the same time through the three-link mechanism 20, realizing the automatic centering function in this embodiment.

[0039] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, the two sliding devices 30 each include:

[0040] On the bottom plate 1, a slide rail 31 is fixed below the driving device;

[0041] The slide block 32 is movably connected to the slide rail 31; the slide block 32 slides on the slide rail 31;

[0042] One end of the clamp arm 33 is fixed on the slider 32; above the clamp arm 33, the clamp arm 33 is movably connected to the two ends of the three-link mechanism 20 on the outside of the slider 32. The clamp arm 33 mainly realizes automatic centering and then clamping.

[0043] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, the three-link mechanism 20 further includes:

[0044] A rotating shaft connecting rod 21 is movably connected to the middle rotating shaft of the rotating shaft connecting rod 21 on the upper cover connecting plate 3;

[0045] The driving rod 22 is movably connected to one end of the driving rod 22 at both ends of the rotating shaft connecting rod 21 ; the other end of the driving rod 22 is movably connected to the outer side of the sliding block 32 .

[0046] In the automatic centering mechanism of the present embodiment, the piston rod of the servo electric cylinder 10 extends to drive the slider 32 on one side to slide on the slide rail 31, and the shaft connecting rod 21 is driven to rotate through the driving rod 22, and the shaft connecting rod 21 connected to the other side is extended at the same time, realizing the automatic centering function of the present embodiment.

[0047] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, a slide groove 23 is provided on the upper cover connecting plate 3 below the driving rod 22, and a sliding sleeve 24 is movably connected in the slide groove 23. The slide groove 23 and the sleeve 24 are mainly used to realize that when the slider 32 slides on the slide rail 31, the upper cover connecting plate 3 will not interfere when the driving rod 22 makes a linear motion.

[0048] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, two slide rails 31 are fixed on an axis to achieve linear motion.

[0049] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, a sensing sheet 34 is fixed above the gripper arm 33; below the sensing sheet 34, a photoelectric switch bracket 35 is fixed on the bottom plate 1, and a photoelectric switch 36 is fixed on the photoelectric switch bracket 35. When the sensing sheet 34 hits the photoelectric switch 36, the servo electric cylinder 10 stops working, realizing the limit function.

[0050] In order to achieve the above technical effects, the automatic centering mechanism in this embodiment is as follows: Figure 1 and Figure 2 As shown, the gripper arm 33 is driven by the servo electric cylinder 10 to move toward the central axis of the automatic centering mechanism for automatic centering.

[0051] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. An automatic centering mechanism, characterized in that: include: Base plate; A driving device, the driving device is arranged on the bottom plate; A three-bar linkage, wherein the movable end of the driving device is movably connected to one side of the three-bar linkage; Sliding device, both sides of the three-link mechanism are movably connected to two sliding devices respectively; The driving device drives the three-link mechanism, and the three-link mechanism drives the sliding device to perform automatic centering.

2. The automatic centering mechanism according to claim 1, characterized in that: Brackets are fixed on both sides of the bottom plate, and an upper cover connecting plate is fixed above the brackets; and the three-link mechanism is movably connected above the upper cover connecting plate.

3. The automatic centering mechanism according to claim 1, characterized in that: The driving device is a servo electric cylinder.

4. The automatic centering mechanism according to claim 3, characterized in that: The cylinder body of the servo electric cylinder is fixed on the bottom plate; the piston rod of the servo electric cylinder is movably connected to the sliding device at one end through a piston connecting rod.

5. The automatic centering mechanism according to claim 1, characterized in that: The two sliding devices both include: A slide rail is fixed on the bottom plate below the driving device; A slider movably connected to the slider on the slide rail; A clamping claw arm, one end of which is fixed on the sliding block; above the clamping claw arm, it is movably connected to the two ends of the three-link mechanism on the outside of the sliding block.

6. The automatic centering mechanism according to claim 2, characterized in that: The three-link mechanism further comprises: A rotating shaft connecting rod; movably connected to the middle rotating shaft of the rotating shaft connecting rod on the upper cover connecting plate; The driving rod is movably connected to one end of the driving rod at both ends of the rotating shaft connecting rod; the other end of the driving rod is movably connected to the outer side of the sliding block.

7. The automatic centering mechanism according to claim 6, characterized in that: A slide groove is provided on the upper cover connecting plate below the driving rod, and a sliding sleeve is movably connected in the slide groove.

8. The automatic centering mechanism according to claim 5, characterized in that: The two slide rails are fixed on an axis.

9. The automatic centering mechanism according to claim 5, characterized in that: A sensing sheet is fixed above the gripper arm; a photoelectric switch bracket is fixed on the bottom plate below the sensing sheet, and a photoelectric switch is fixed on the photoelectric switch bracket.

10. The automatic centering mechanism according to claim 5, characterized in that: The gripper arm is driven by the servo electric cylinder to move toward the central axis of the automatic centering mechanism to perform automatic centering.

Images