Rotary lifting mechanism for punching of window hole holder

Abstract

The utility model belongs to the technical field of bearing retainer machining tools, and particularly relates to a window hole retainer punching rotary lifting mechanism which comprises a sliding rail bottom plate, a rotary table bottom plate and a rotary table. The first air cylinder is connected with the rotary table bottom plate and drives the rotary table bottom plate to slide along the linear guide rail, the rotary table is connected above the rotary table bottom plate through the second air cylinder, the second air cylinder drives the rotary table to ascend and descend, and a retainer to be punched is hung on the rotary table. According to the rotary lifting device for punching of the window hole holder, the mode that the height of the shaft and the spring is controlled by rotating the swing angle is changed, the holder is lifted, rotated and dropped back through control of the air cylinder and the mode of overall parallel lifting, it is guaranteed that the axis of the holder is coaxial with the positioning center during punching, and the machining precision of a workpiece is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing retainer processing tooling, and in particular relates to a window hole retainer punching rotation and lifting mechanism. Background Art

[0002] In the process of stamping medium and large window hole cages, individual window holes need to be processed one by one. Since the cage has high circumferential accuracy requirements, high positioning accuracy and rotation accuracy are required. After each hole is punched, the cage needs to be slightly lifted, rotated, and then dropped to a fixed position to punch another hole, and so on. In the past, there was a rotating shaft at the bottom of the rotating mechanism. When rotating, it needs to rely on spring force to lift it up, and then rotate it to complete the punching operation. Due to structural limitations, the axis of the cage cannot be ensured to be completely coaxial with the positioning center during the stamping process, and it will form a certain inclination angle, affecting the production accuracy of the cage. Summary of the invention

[0003] In view of the problem that the above-mentioned punching device affects the accuracy of the retainer, the purpose of the utility model is to provide a window hole retainer punching rotation and lifting device, which controls the retainer to move through a cylinder to complete the punching, reduce errors and improve production accuracy.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a window hole holder punching rotation and lifting mechanism, including a slide rail base plate, a turntable base plate and a turntable, the slide rail base plate is provided with a linear guide rail, the turntable base plate is installed on the linear guide rail, the first cylinder is connected to the turntable base plate and drives the turntable base plate to slide along the linear guide rail, the turntable base plate is connected to the turntable through the second cylinder above, the second cylinder drives the turntable to rise and fall, and the holder to be punched is suspended on the turntable.

[0005] Based on the above technical solution, the rotation of the turntable and the order of the first and second cylinders are controlled by PLC. When working, the first cylinder drives the turntable forward to the specified position, the second cylinder is lifted, the turntable rises, clamps the retaining frame, and after running to the specified position, the second cylinder descends to punch the first window hole, and then the second cylinder drives the turntable to lift up, the turntable rotates the retaining frame to a certain angle, the second cylinder falls back, and punches the second window hole, until all the window holes are punched, the second cylinder lifts the turntable, and the first cylinder returns to the initial position.

[0006] Furthermore, one end of the piston rod of the second cylinder is connected to the turntable bottom plate through a connecting screw, and the piston head at the other end of the piston rod of the second cylinder is connected to the cylinder body. The cylinder body rises and falls along the piston rod, and the turntable is arranged on the cylinder body.

[0007] Furthermore, the piston head is sealed in the cylinder body through a piston cover, and the piston cover is connected to the cylinder body through screws.

[0008] Furthermore, a plurality of guide pillars are fixed to the edge of the turntable bottom plate, and the plurality of guide pillars pass through the outer shell of the cylinder body, and the cylinder body is guided and lifted along the guide pillars.

[0009] Furthermore, there are four guide pillars, which are respectively arranged at the four corners of the turntable bottom plate.

[0010] Furthermore, the fixed end of the first cylinder is fixed to the slide rail bottom plate through a cylinder bracket, and the telescopic end of the first cylinder is connected to the turntable bottom plate and drives the turntable bottom plate to slide along the linear guide rail.

[0011] Furthermore, the telescopic end of the first cylinder is connected to the slide rail bottom plate through a cylinder connecting shaft.

[0012] Furthermore, a stopper is connected to the slide rail bottom plate via bolts, and the stopper limits and stops the turntable bottom plate.

[0013] Furthermore, a positioning block for positioning the turntable is provided on the upper surface of the cylinder body.

[0014] Furthermore, the slide rail bottom plate is fixed to the workbench by bolts.

[0015] The beneficial effects of the utility model are as follows: the window hole holder punching rotating lifting device of the utility model changes the way the shaft and the spring control the height by rotating the swing angle, and adopts the overall parallel lifting method through cylinder control to lift, rotate and fall the holder, ensuring that the axis center of the holder is coaxial with the positioning center during punching, thereby ensuring the processing accuracy of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the front view of the automatic rotating lifting mechanism for the retainer punching;

[0017] Figure 2 It is a top view of the automatic rotating lifting mechanism for punching the cage;

[0018] Figure 3 It is a partial cross-sectional view of the automatic rotating lifting mechanism of the retainer punching;

[0019] In the figure: 1, turntable base plate, 2, first cylinder, 3, slide rail base plate, 4, linear guide rail, 5, turntable, 6, vertical plate, 7, stopper, 8, positioning cover, 9, positioning block, 10, cylinder connecting shaft, 11, piston cover, 12, baffle, 13, second cylinder piston head, 14, connecting screw, 15, cylinder body, 16, guide column, 17, cylinder bracket, 18, workpiece. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] See attached Figure 1-3 A window hole holder punching rotating lifting mechanism includes a slide rail base plate 3, a turntable base plate 1 and a turntable 5. A linear guide rail 4 is arranged on the slide rail base plate 3. The turntable base plate 1 is installed on the linear guide rail 4. The first cylinder 2 is connected to the turntable base plate 1 and drives the turntable base plate 1 to slide along the linear guide rail 4. The turntable base plate 1 is connected to the turntable 5 through the second cylinder above. The second cylinder drives the turntable 5 to rise and fall, and the workpiece 18 of the holder to be punched is suspended on the turntable 5.

[0022] In this embodiment, one end of the piston rod of the second cylinder is connected to the turntable bottom plate 1 by a connecting screw 14, and the piston head 13 at the other end of the piston rod of the second cylinder is connected to the cylinder body 15. The piston head 13 is sealed in the cylinder body 15 by a piston cover 11, and the piston cover 11 is connected to the cylinder body 15 by screws. The cylinder body 15 is raised and lowered along the piston rod of the second cylinder, and the turntable 5 is set on the cylinder body 15.

[0023] Based on the above technical solution, a positioning cover 8 is installed on the turntable base plate 1. The positioning cover 8 is embedded in the turntable base plate 1 and fixed by screws. One end of the piston rod of the second cylinder is connected to the positioning cover 8 by a connecting screw 14.

[0024] In this embodiment, four guide posts 16 are fixed to the edge of the turntable bottom plate 1, which are respectively arranged at the four corners of the turntable bottom plate 1. The guide posts 16 pass through the outer shell of the cylinder body 15, and the cylinder body 15 is guided and lifted along the guide posts 16. The guide posts 16 are arranged at the four corners to ensure that the cylinder body 15 will not deviate during the lifting process and can always be in a horizontal position, providing stability for the positioning of the punching action.

[0025] In this embodiment, the fixed end of the first cylinder 2 is fixed to the slide rail base plate 3 through the cylinder bracket 17, and the telescopic end of the first cylinder 2 is connected to the turntable base plate 1 through the cylinder connecting shaft 10 and drives the turntable base plate 1 to slide along the linear guide rail 4. The slide rail base plate 1 is fixed to the workbench by bolts. The first cylinder 2 is connected to the turntable base plate 1 through the cylinder connecting shaft 10. When the turntable base plate 1 is driven to move by the telescopic movement of the first cylinder 2, it is also guided by the linear guide rail 4. The hinged mode of the cylinder connecting shaft 10 can prevent the turntable base plate 1 from getting stuck and damaging the equipment.

[0026] In this embodiment, the slide rail bottom plate 3 is connected with a stopper 7 by bolts, and the stopper 7 limits and stops the turntable bottom plate 1. The stopper 7 controls the turntable bottom plate 1 to stop moving when it reaches the punching position, thereby ensuring positioning accuracy.

[0027] In this embodiment, a positioning block 9 for positioning the turntable 5 is provided on the upper surface of the cylinder body 15 to ensure the positioning accuracy of the turntable 5 installation, thereby ensuring that the position of the workpiece to be punched is below the punch.

[0028] Working process as Figure 1-3 As shown, the slide rail base plate 3 is fixed on the workbench, the linear guide 4 is installed on the slide rail base plate 3, the first cylinder 2 is installed on the slide rail base plate 3 through the cylinder bracket 17, the front end of the first cylinder 2 is connected to the turntable base plate 1 through the cylinder connecting shaft 10, the turntable base plate 1 is installed on the linear guide 4, and the first cylinder 2 drives the turntable base plate 1 to move along the linear guide 4. The cylinder body 15 of the second cylinder is located below the turntable 5 and is used to control the lifting and lowering of the turntable 29. The piston cover 11 is connected to the cylinder body 15 by screws, and the cylinder body 15 is equipped with a piston head 13, and the lower part of the piston head 13 is connected to the connecting screw 14, and the connecting screw 14 is connected to the positioning cover 8 and the turntable base plate 1. When working, the cylinder body 15 of the second cylinder is lifted upward, and the telescopic end of the first cylinder 2 moves forward, driving the turntable base plate 1 to move forward, and then driving the turntable 5 and the workpiece 18 forward. After running to the designated position, the cylinder body 15 descends. After punching a hole, the cylinder body 15 is lifted upward, and the turntable 29 drives the workpiece to rotate a certain angle to continue punching until all the window holes are punched. The cylinder body 15 is lifted upward, the telescopic end of the first cylinder 2 is retracted, and the turntable 5 is reset to complete the holder punching process. The present invention controls the forward and backward movement of the turntable through the cylinder, controls the lifting and lowering of the turntable through the small stroke cylinder, and controls the rotation of the turntable and the sequential action sequence of the two cylinders through the PLC. The production rhythm and processing accuracy are guaranteed.

[0029] It should be noted that the parts not described in detail in the present invention are prior art.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0035] The above examples are only the best embodiments of the present invention. Obviously, the present invention is not limited to the above examples, and there are many variations. All variations that can be directly derived or associated with the contents disclosed by a person skilled in the art should be considered as the protection scope of the present invention.

Claims

1. A window hole holder punching rotating lifting mechanism, characterized in that: It includes a slide rail base plate, a turntable base plate and a turntable, wherein the slide rail base plate is provided with a linear guide rail, the turntable base plate is installed on the linear guide rail, the first cylinder is connected to the turntable base plate and drives the turntable base plate to slide along the linear guide rail, the turntable base plate is connected to the turntable through the second cylinder above, the second cylinder drives the turntable to rise and fall, and the holder to be punched is suspended on the turntable.

2. A window hole holder punching rotating lifting mechanism according to claim 1, characterized in that: One end of the piston rod of the second cylinder is connected to the turntable bottom plate through a connecting screw, and the piston head at the other end of the piston rod of the second cylinder is connected to the cylinder body. The cylinder body rises and falls along the piston rod, and the turntable is arranged on the cylinder body.

3. A window hole holder punching rotating lifting mechanism according to claim 2, characterized in that: The piston head is sealed in the cylinder body through a piston cover, and the piston cover is connected to the cylinder body through screws.

4. The window hole holder punching rotating lifting mechanism according to claim 2, characterized in that: A plurality of guide posts are fixed on the edge of the turntable bottom plate. The plurality of guide posts pass through the outer shell of the cylinder body, and the cylinder body is guided and lifted along the guide posts.

5. The window hole holder punching rotating lifting mechanism according to claim 4, characterized in that: There are four guide pillars, which are respectively arranged at the four corners of the turntable bottom plate.

6. The window hole holder punching rotating lifting mechanism according to claim 1, characterized in that: The fixed end of the first cylinder is fixed to the slide rail bottom plate through a cylinder bracket, and the telescopic end of the first cylinder is connected to the turntable bottom plate and drives the turntable bottom plate to slide along the linear guide rail.

7. A window hole holder punching rotating lifting mechanism according to claim 6, characterized in that: The telescopic end of the first cylinder is connected to the turntable bottom plate through a cylinder connecting shaft.

8. The window hole holder punching rotating lifting mechanism according to claim 1, characterized in that: The slide rail bottom plate is connected with a stopper via bolts, and the stopper limits and stops the turntable bottom plate.

9. The window hole holder punching rotating lifting mechanism according to claim 2, characterized in that: A positioning block for positioning the turntable is arranged on the upper surface of the cylinder body.

10. The window hole holder punching rotating lifting mechanism according to claim 1, characterized in that: The slide rail bottom plate is fixed on the workbench by bolts.

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