Mobile centering clamping mechanism

Abstract

The utility model relates to workpiece machining equipment field especially is mobile centering clamping mechanism, this clamping mechanism includes single rod power cylinder, box, straight pipe, gear one, gear two, guide plate, mandrel, gyro wheel, connecting piece, pin, the cylinder body of single rod power cylinder is fixed on the box, and the piston rod of single rod power cylinder is fixedly connected together with connecting piece, is equipped with the pin on connecting piece, is equipped with cam groove on straight pipe, and the pin passes through cam groove, and straight pipe rotation is connected on the box, and the gear one is fixed on straight pipe, and the gear one is engaged with gear two, and gear two rotation is connected in the box. The utility model discloses through the piston rod telescoping of single rod power cylinder to push connecting piece linear movement, and the connecting piece of movement then pushes straight pipe rotation through the pin, and straight pipe drives gear two rotation through gear one, and gear two cooperation guide plate drives several gyro wheels to open and shut to realize the clamping centering of bar material. The application saves the cost, and simplifies the structure.

Description

Technical Field

[0001] This utility model relates to the field of workpiece processing equipment, and in particular to a moving centering and clamping mechanism. Background Technology

[0002] In some automated workpiece processing equipment, a linear motion mechanism and a bar clamping and centering mechanism are required. However, the existing linear motion mechanism and bar clamping and centering mechanism each require two separate power systems, which not only makes the structure complex but also increases the cost. Utility Model Content

[0003] The technical problem this invention aims to solve is: to address the technical problem described in the background art, this invention provides a movable centering clamping mechanism. The connecting member moves linearly by extending and retracting the piston rod of a single-bar power cylinder. The moving connecting member, in turn, drives a straight tube to rotate via a pin. The straight tube, through gear one, drives gear two to rotate. Gear two, in conjunction with a guide plate, drives several rollers to open and close, achieving the clamping and centering of the bar. This application saves costs and simplifies the structure.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A movable centering clamping mechanism includes a single-rod power cylinder, a housing, a straight tube, a first gear, a second gear, a guide plate, a spindle, rollers, a connector, and a pin. The cylinder body of the single-rod power cylinder is fixed to the housing, and the piston rod of the single-rod power cylinder is fixedly connected to the connector. The connector is provided with a pin, and the straight tube is provided with a cam groove through which the pin passes. The straight tube is rotatably connected to the housing. A first gear is fixed to the straight tube, and the first gear meshes with the second gear. The second gear is rotatably connected to the housing. The housing is provided with three or more rollers, and a guide plate is fixed inside the housing. The guide plate is provided with several rotationally symmetrical arc-shaped slots, and the second gear is provided with several straight slots. A spindle is fixed at the center of each roller, and each spindle passes through one arc-shaped slot and one straight slot.

[0006] Specifically, the connecting component is a straight rod, with a pin vertically connected to the rod body. The straight rod is fixedly connected to the piston rod of the single-rod power cylinder by screws, and the connection between the piston rod of the single-rod power cylinder and the straight rod is located inside a straight pipe.

[0007] Specifically, a connecting plate is fixed on the housing, one end of the straight pipe is rotatably connected to the connecting plate through a bearing, and the other end of the straight pipe is rotatably connected to the cylinder body of the single-rod power cylinder through a bearing.

[0008] Specifically, a connecting block is fixed to the front end of the connector, and a guide rod is vertically fixed to the end face of the connecting block, with the guide rod passing through a guide hole on the connecting plate.

[0009] Specifically, the front end of the box is provided with an opening for the rod to pass through.

[0010] The beneficial effects of this utility model are as follows: This utility model provides a movable centering clamping mechanism. The connecting member moves linearly by extending and retracting the piston rod of a single-rod power cylinder. The moving connecting member, in turn, drives a straight tube to rotate via a pin. The straight tube, through gear one, drives gear two to rotate. Gear two, in conjunction with a guide plate, drives several rollers to open and close, achieving the clamping and centering of the bar. This application saves costs and simplifies the structure. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 This is the front view of this utility model;

[0013] Figure 2 This is a top view of the present invention;

[0014] Figure 3 This is a schematic diagram of the structure of the guide plate of this utility model;

[0015] Figure 4 This is a structural schematic diagram of gear two of this utility model;

[0016] In the diagram: 1. Single-rod power cylinder, 2. Housing, 3. Straight pipe, 4. Gear 1, 5. Gear 2, 6. Guide plate.

[0017] 7. Mandrel, 8. Roller, 9. Connector, 10. Pin, 11. Connecting plate, 12. Connecting block, 13.

[0018] Guide rod, 31. Cam groove, 51. Straight strip hole, 61. Arc-shaped strip hole. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0020] Figure 1 This is the front view of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a schematic diagram of the structure of the guide plate of this utility model; Figure 4 This is a schematic diagram of the structure of gear two of this utility model.

[0021] Combined with appendix Figure 1 Appendix Figure 2 Appendix Figure 3 and attached Figure 4As shown, a movable centering clamping mechanism includes a single-rod power cylinder 1, a housing 2, a straight tube 3, a first gear 4, a second gear 5, a guide plate 6, a spindle 7, rollers 8, a connecting piece 9, and a pin 10. The cylinder body of the single-rod power cylinder 1 is fixed on the housing 2. The piston rod of the single-rod power cylinder 1 is fixedly connected to the connecting piece 9. The connecting piece 9 is provided with a pin 10. The straight tube 3 is provided with a cam groove 31. The pin 10 passes through the cam groove 31. The straight tube 3 is rotatably connected to the housing 2. The first gear 4 is fixed on the straight tube 3. The first gear 4 meshes with the second gear 5. The second gear 5 is rotatably connected inside the housing 2. The housing 2 is provided with three or more rollers 8. The guide plate 6 is fixed inside the housing 2. The guide plate 6 is provided with several rotationally symmetrical arc-shaped slots 61. The second gear 5 is provided with several straight slots 51. A spindle 7 is fixed at the center of the roller 8. Each spindle 7 passes through an arc-shaped slot 61 and a straight slot 51 respectively.

[0022] The connector 9 is a straight rod, and a pin 10 is vertically connected to the rod body. The straight rod is fixedly connected to the piston rod of the single-rod power cylinder 1 by screws. The connection between the piston rod of the single-rod power cylinder 1 and the straight rod is located inside the straight tube 3.

[0023] A connecting block 12 is fixed to the front end of the connector 9, and a guide rod 13 is vertically fixed to the end face of the connecting block 12. The guide rod 13 passes through the guide hole on the connecting plate 11.

[0024] When the straight rod is driven to move linearly by the piston rod of the single-rod power cylinder 1, it will drive the connecting block 12 and the guide rod 13 to move linearly. The guide rod 13 moves along the guide hole, which will help the connecting piece 9 move more stably. The connecting block 12 is used to connect to the external mechanism.

[0025] A connecting plate 11 is fixed on the housing 2. One end of the straight pipe 3 is rotatably connected to the connecting plate 11 via a bearing, and the other end of the straight pipe 3 is rotatably connected to the cylinder body of the single-rod power cylinder 1 via a bearing. The straight pipe 3 will rotate along the bearings at both ends.

[0026] The front end of the housing 2 is provided with an opening for the rod to pass through.

[0027] The working principle of this application is as follows: When the piston rod of the single-rod power cylinder 1 extends or retracts, it drives the connecting piece 9 to move back and forth in a linear motion. When the connecting piece 9 moves, the pin 10 on the connecting piece 9 moves along the cam groove 31, thereby driving the straight tube 3 to rotate. The straight tube 3 drives the gear 2 5 to rotate via gear 4. When gear 2 5 rotates, it pushes the mandrel 7 to move along the arc-shaped slot 61 and the straight slot 51. Since the several arc-shaped slots 61 are rotationally symmetrical and the straight slots 51 are centrally symmetrical, when gear 2 5 rotates in the forward or reverse direction, it can drive several rollers 8 to open outward or converge towards the center. When the bar is placed between several rollers 8, while the single-rod power cylinder 1 drives the connecting piece 9 to move, it can also drive several rollers 8 to clamp and center the bar.

[0028] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A movable centering clamping mechanism, characterized in that, The assembly includes a single-rod power cylinder (1), a housing (2), a straight tube (3), a first gear (4), a second gear (5), a guide plate (6), a spindle (7), a roller (8), a connector (9), and a pin (10). The cylinder body of the single-rod power cylinder (1) is fixed to the housing (2). The piston rod of the single-rod power cylinder (1) is fixedly connected to the connector (9). The connector (9) is provided with a pin (10). The straight tube (3) is provided with a cam groove (31). The pin (10) passes through the cam groove (31). The straight tube (3) is rotatably connected to the housing (2). On the straight tube (3), a gear 1 (4) is fixed on it. The gear 1 (4) meshes with the gear 2 (5). The gear 2 (5) is rotatably connected inside the box (2). The box (2) is equipped with more than three rollers (8). The box (2) is fixed with a guide plate (6). The guide plate (6) is equipped with several rotationally symmetrical arc-shaped slots (61). The gear 2 (5) is equipped with several straight slots (51). A spindle (7) is fixed at the center of the roller (8). Each spindle (7) passes through an arc-shaped slot (61) and a straight slot (51).

2. The movable centering clamping mechanism according to claim 1, characterized in that: The connector (9) is a straight rod, and a pin (10) is vertically connected to the rod body. The straight rod is fixedly connected to the piston rod of the single rod power cylinder (1) by screws. The connection between the piston rod of the single rod power cylinder (1) and the straight rod is located in the straight tube (3).

3. The movable centering clamping mechanism according to claim 1, characterized in that: A connecting plate (11) is fixed on the housing (2). One end of the straight pipe (3) is rotatably connected to the connecting plate (11) through a bearing, and the other end of the straight pipe (3) is rotatably connected to the cylinder body of the single-rod power cylinder (1) through a bearing.

4. The movable centering clamping mechanism according to claim 3, characterized in that: The connector (9) has a connecting block (12) fixed at its front end, and a guide rod (13) is vertically fixed on the end face of the connecting block (12). The guide rod (13) passes through the guide hole on the connecting plate (11).

5. The movable centering clamping mechanism according to claim 1, characterized in that: The front end of the box (2) is provided with an opening for the rod to pass through.

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