A large-stroke linkage self-locking auxiliary support mechanism

Abstract

The utility model discloses a big stroke linkage self -locking auxiliary support mechanism of work piece machining limit technical field, including the oil cylinder body, the one side of oil cylinder body is equipped with the auxiliary compression piston rod through the side clamp flange cover, and the top of oil cylinder body one side is equipped with A1 oil port and B oil port for the activity of auxiliary compression piston rod, the inside lower extreme of oil cylinder body is provided with the side clamping link, and one end of side clamping link is movably installed with the link piston rod through the side clamp flange, and the link piston rod is connected through the link plate between auxiliary compression piston rod, and the other end of side clamping link is provided with the pressure head, the inside right side of oil cylinder body movably is provided with the oblique contract lock pin connected with the other end of auxiliary compression piston rod, and the bottom of oblique contract lock pin is in abutment with side clamping link, and the lower extreme of oil cylinder body is equipped with A2 oil port for the activity of link piston rod and side clamping link. The application is convenient for the auxiliary positioning of work piece, realizes self -locking, avoids the possibility of loosening in the positioning process, and then avoids the positioning failure.

Description

Technical Field

[0001] This utility model relates to the field of workpiece processing and limiting technology, specifically to a large-stroke linkage self-locking auxiliary support mechanism. Background Technology

[0002] Machining refers to the process of changing the shape, size, or properties of a workpiece using mechanical equipment.

[0003] In machining, any loosening or deviation of the workpiece during various processing steps will affect the final machining result, leading to product failure, impacting quality, significantly increasing scrap rate, and raising costs. Based on this, we propose a large-stroke, linkage-based self-locking auxiliary support mechanism. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned problems in the prior art and provide a large-stroke linkage self-locking auxiliary support mechanism, which facilitates the auxiliary positioning of the workpiece during the processing and achieves self-locking, avoiding the possibility of loosening during the positioning process and thus avoiding positioning failure; through auxiliary positioning, the situation of loosening and deviation of the workpiece during the processing is reduced, avoiding the failure of workpiece processing and affecting the quality, greatly improving the product qualification rate and reducing costs.

[0005] To solve the above technical problems, this utility model provides a large-stroke linkage self-locking auxiliary support mechanism, including a cylinder body. An auxiliary pressing piston rod is installed on one side of the cylinder body through a side clamping flange cover. An A1 oil port and a B oil port are opened on the top side of the cylinder body to act on the movement of the auxiliary pressing piston rod.

[0006] A side clamping rod is provided at the lower end of the cylinder body. A connecting piston rod is movably mounted on one end of the side clamping rod through a side clamping flange. The connecting piston rod and the auxiliary pressing piston rod are connected by a connecting plate. A pressure head is provided at the other end of the side clamping rod.

[0007] The right side of the cylinder body is movably provided with a wedge locking pin that is connected to the other end of the auxiliary pressing piston rod. The bottom of the wedge locking pin abuts against the side clamping rod.

[0008] The lower end of the cylinder body is provided with an A2 oil port that acts to connect the piston rod and the side clamping rod.

[0009] Preferably, the cylinder body is provided with a first cavity, a second cavity, and a third cavity that cooperates with the wedge locking pin.

[0010] The A2 oil port includes a side oil port and a vertical oil port that are connected to each other. The side oil port is connected to the outer wall of the cylinder body, and the end of the vertical oil port connected to the bottom of the cylinder body is blocked with a steel ball.

[0011] Based on the above technical features, oil leakage at the bottom of the cylinder body is avoided, and the oil outlet and inlet are changed to side oil port, which facilitates the installation and fixing of the cylinder body.

[0012] Preferably, the third cavity is connected to the first cavity and the second cavity, and a locking flange cover is provided on the top of the third cavity. The locking flange cover is fixedly installed on the top of the cylinder body by screws.

[0013] Based on the above technical features, it is easy to cover and seal the top of the third cavity.

[0014] Preferably, a short spacer sleeve that mates with the side clamping rod is installed at one end of the first cavity; a long spacer sleeve that mates with the side clamping rod is installed at the other end of the first cavity; an annular groove is formed on the outer wall of the side clamping rod; the annular groove and the inner wall of the long spacer sleeve form a first oil cavity; the other end of the vertical oil port is connected to the first oil cavity; an oil passage is formed at one end of the side clamping rod that is connected to the first oil cavity; and the piston end of the connecting piston rod is movably located in the oil passage.

[0015] Based on the above technical features, it is convenient for hydraulic oil to enter and exit in the oil passage and act on the extension and retraction of the connecting piston rod.

[0016] Preferably, one end of the second cavity is a second oil chamber that cooperates with the piston movement of the auxiliary pressing piston rod. One end of the second oil chamber is connected to oil port A1, and the other end is connected to oil port B.

[0017] Based on the above technical features, it is convenient for hydraulic oil to enter and exit the second oil chamber and act on the auxiliary pressing piston rod to extend and retract left and right.

[0018] Preferably, an auxiliary clamping flange is installed on the other side of the cylinder body.

[0019] Based on the above technical features, it is easy to cover and seal the other side of the cylinder body.

[0020] Preferably, the top of the side clamping rod is provided with a stepped inclined surface; the wedge locking pin is provided with a self-locking hole that cooperates with the other end of the auxiliary pressing piston rod, and the bottom end of the wedge locking pin is provided with a wedge head that cooperates with the stepped inclined surface.

[0021] Based on the above technical features, the wedge head is pressed against the inclined surface of the step to achieve self-locking of the clamping rod on the opposite side of the wedge locking pin.

[0022] Preferably, the bottom of the outer wall of the side clamping rod is provided with a guide pin groove, and the bottom of the cylinder body is provided with an anti-rotation pin, the top of which extends into the guide pin groove.

[0023] Based on the above technical features, when the side clamping rod moves telescopically, one end of the anti-rotation pin moves relative to the guide pin groove, thereby preventing the side clamping rod from rotating.

[0024] In summary, this utility model has at least one of the following beneficial effects:

[0025] This application uses both the A1 and side oil ports for oil intake and the B port for oil outlet. Hydraulic power drives the auxiliary clamping piston rod forward, and the linkage of the connecting plate propels the side clamping rod forward, causing the pressure head to clamp and limit the workpiece. This facilitates auxiliary positioning of the workpiece during processing, reducing the possibility of workpiece loosening or deviation, preventing processing failures that could affect quality, significantly improving product qualification rate, and reducing costs. Simultaneously, the wedge locking pin self-locks the side clamping rod, preventing loosening during pressure head clamping and positioning, thus avoiding positioning failure. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure in use of this utility model. Figure 1 ;

[0027] Figure 2 This is a schematic diagram of the structure in use of this utility model. Figure 2 ;

[0028] Figure 3 For the present utility model Figure 1 A half-section view;

[0029] Figure 4 For the present utility model Figure 2 A half-section view;

[0030] Figure 5 This is a schematic diagram of the structure in use of this utility model. Figure 3 ;

[0031] Figure 6 This is a schematic diagram of the structure of the cylinder body of this utility model;

[0032] Figure 7 For the present utility model Figure 6 A half-section front view;

[0033] Figure 8 This is a schematic diagram of the wedge locking pin of this utility model;

[0034] Figure 9 For the present utility model Figure 8 A half-section view;

[0035] Figure 10 For the present utility model Figure 9 The front view;

[0036] Figure 11 This is a schematic diagram of the large-stroke linkage self-locking auxiliary support mechanism of this utility model in use with the workpiece. Figure 1 ;

[0037] Figure 12 This is a schematic diagram of the large-stroke linkage self-locking auxiliary support mechanism of this utility model in use with the workpiece. Figure 2 ;

[0038] The attached diagram lists the components represented by each number as follows:

[0039] 1-Cylinder body, 101-Side oil port, 102-Vertical oil port, 103-First cavity, 104-Second cavity, 105-Third cavity, 2-Long spacer, 3-Anti-rotation pin, 4-Side clamping rod, 401-Annular groove, 402-Oil passage, 403-Step slope, 5-Pressure head, 6-Wedge locking pin, 601-Self-locking hole, 602-Wedge head, 7-Connecting plate, 8-Side clamping flange, 9-Connecting piston rod, 10-Side clamping flange cover, 11-Auxiliary clamping piston rod, 12-Locking flange cover, 13-Auxiliary clamping flange, 14-Short spacer, 15-A1 oil port, 16-B oil port. Detailed Implementation

[0040] The following is in conjunction with the appendix Figures 1-12 The present invention will be described in further detail below.

[0041] One embodiment of this utility model is shown below: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 11 and Figure 12 A large-stroke linkage self-locking auxiliary support mechanism includes a cylinder body 1. An auxiliary clamping piston rod 11 is installed on one side of the cylinder body 1 through a side clamping flange cover 10. An A1 oil port 15 and a B oil port 16 are opened on one side of the top of the cylinder body 1 to act on the movement of the auxiliary clamping piston rod 11. An auxiliary clamping flange 13 is installed on the other side of the cylinder body 1 to facilitate the sealing of the other side of the cylinder body 1.

[0042] A side clamping rod 4 is provided at the lower end of the cylinder body 1. A connecting piston rod 9 is movably installed at one end of the side clamping rod 4 through a side clamping flange 8. The connecting piston rod 9 is connected to the auxiliary pressing piston rod 11 through a connecting plate 7. A pressure head 5 is provided at the other end of the side clamping rod 4.

[0043] The right side of the inside of the cylinder body 1 is movably provided with a wedge locking pin 6 that is connected to the other end of the auxiliary pressing piston rod 11. The bottom of the wedge locking pin 6 abuts against the side clamping rod 4.

[0044] The lower end of the cylinder body 1 is provided with an A2 oil port that acts to connect the piston rod 9 and the side clamping rod 4.

[0045] The bottom of the outer wall of the side clamping rod 4 is provided with a guide pin groove, and the bottom of the cylinder body 1 is provided with an anti-rotation pin 3. The top end of the anti-rotation pin 3 extends into the guide pin groove. When the side clamping rod 4 moves in extension and retraction, it moves relative to the guide pin groove through one end of the anti-rotation pin 3, thereby preventing the side clamping rod 4 from rotating.

[0046] See Figure 5 , Figure 7 The cylinder body 1 has a first cavity 103, a second cavity 104 and a third cavity 105 that is movably engaged with the wedge locking pin 6. The third cavity 105 connects the first cavity 103 and the second cavity 104. The top of the third cavity 105 is provided with a locking flange cover 12, which is fixedly installed on the top of the cylinder body 1 by screws to facilitate the sealing of the top of the third cavity 105.

[0047] See Figure 6 and Figure 7 The A2 oil port includes a side oil port 101 and a vertical oil port 102 that are interconnected. The side oil port 101 is connected to the outer wall of the cylinder body 1, and the end of the vertical oil port 102 connected to the bottom of the cylinder body 1 is blocked with a steel ball. After the long spacer 2 is assembled with the first cavity 103, the hole of the vertical oil port 102 is machined and blocked with a steel ball to prevent oil leakage at the bottom of the cylinder body 1. The oil is then changed to be supplied and discharged from the side oil port 101, which facilitates the installation and fixing of the cylinder body 1.

[0048] See Figure 5 One end of the first cavity 103 is equipped with a short spacer 14 that cooperates with the side clamping rod 4; the other end of the first cavity 103 is equipped with a long spacer 2 that cooperates with the side clamping rod 4. The outer wall of the side clamping rod 4 is provided with an annular groove 401. The annular groove 401 and the inner wall of the long spacer 2 form a first oil cavity. The other end of the vertical oil port 102 is connected to the first oil cavity. One end of the side clamping rod 4 is provided with an oil passage 402 that is connected to the first oil cavity. The piston end of the connecting piston rod 9 is movably located in the oil passage 402, which facilitates the hydraulic oil to enter and exit in the oil passage 402 and act on the extension and retraction of the connecting piston rod 9.

[0049] See Figure 5 and Figure 7 One end of the second cavity 104 is a second oil cavity that cooperates with the piston movement of the auxiliary pressing piston rod 11. One end of the second oil cavity is connected to oil port A1 15, and the other end is connected to oil port B 16, so that hydraulic oil can enter and exit in the second oil cavity to act on the left and right extension and retraction of the auxiliary pressing piston rod 11.

[0050] See Figure 5 , Figure 8, Figure 9 and Figure 10 The top of the side clamping rod 4 is provided with a stepped inclined surface 403; the wedge locking pin 6 is provided with a self-locking hole 601 that cooperates with the other end of the auxiliary pressing piston rod 11, so that the wedge locking pin 6 can move up and down on the auxiliary pressing piston rod 11 and be limited; the bottom end of the wedge locking pin 6 is provided with a wedge head 602 that cooperates with the stepped inclined surface 403. The wedge head 602 presses against the stepped inclined surface 403 to realize the self-locking of the wedge locking pin 6 against the side clamping rod 4.

[0051] Working principle:

[0052] In use, a three-way oil pipe is used to connect to oil port A1 15 and side oil port 101 respectively, and a single-way oil pipe is used to connect to oil port B 16. Oil enters through oil port A1 15 and side oil port 101 at the same time, and oil exits through oil port B 16 to achieve the forward movement of the side clamping rod 4.

[0053] That is: after oil enters through side oil port 101, the oil enters the first oil chamber to provide lubrication for the extension and retraction of the side clamping rod 4, and the oil also enters the oil passage 402; oil enters through oil port A1 15 and exits through oil port B 16. The oil pressure pushes the auxiliary clamping piston rod 11 forward. Through the linkage of the connecting plate 7, the connecting piston rod 9 is driven to squeeze the oil delivered in the oil passage 402, thereby driving the side clamping rod 4 forward. The forward side clamping rod 4 drives the pressure head 5 to contact and squeeze one side of the workpiece, thereby facilitating the clamping and limiting of the workpiece; after the side clamping rod 4 moves forward, the wedge locking pin 6 moves down, so that the wedge head 602 of the wedge locking pin 6 is always pressed on the stepped inclined surface 403, thereby realizing the self-locking of the side clamping rod 4;

[0054] Oil enters through port B 16 and exits through port A1 15 and side port 101, thereby enabling the side clamping rod 4 to retract.

[0055] That is: after oil comes out of the side oil port 101, the oil returns to the three-way oil pipe; oil enters through the B oil port 16 and exits through the A1 oil port 15. The oil pressure pushes the auxiliary clamping piston rod 11 to retract. Through the linkage of the connecting plate 7, the connecting piston rod 9 is driven to retract in the oil passage 402. Through the obstruction of the side clamping flange 8, the retracting connecting piston rod 9 drives the side clamping rod 4 to retract together, so that the pressure head 5 is separated from the workpiece and no clamping limit is implemented.

[0056] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A long-stroke linkage self-locking auxiliary support mechanism, comprising a cylinder body (1), characterized in that: An auxiliary pressing piston rod (11) is installed on one side of the cylinder body (1) via a side clamp flange cover (10). An A1 oil port (15) and a B oil port (16) are opened on the top side of the cylinder body (1) to act on the movement of the auxiliary pressing piston rod (11). The lower end of the cylinder body (1) is provided with a side clamping rod (4). One end of the side clamping rod (4) is movably mounted with a connecting piston rod (9) through a side clamping flange (8). The connecting piston rod (9) and the auxiliary pressing piston rod (11) are connected by a connecting plate (7). The other end of the side clamping rod (4) is provided with a pressure head (5). The right side of the cylinder body (1) is movably provided with a wedge locking pin (6) connected to the other end of the auxiliary pressing piston rod (11), and the bottom of the wedge locking pin (6) abuts against the side clamping rod (4); The lower end of the cylinder body (1) is provided with an A2 oil port that acts on the movement of the connecting piston rod (9) and the side clamping rod (4).

2. The long-stroke linkage self-locking auxiliary support mechanism according to claim 1, characterized in that: The cylinder body (1) is provided with a first cavity (103), a second cavity (104) and a third cavity (105) that is movable and cooperates with the wedge locking pin (6). The A2 oil port includes a side oil port (101) and a vertical oil port (102) that are connected to each other. The side oil port (101) is connected to the outer wall of the cylinder body (1), and the vertical oil port (102) is connected to the bottom of the cylinder body (1) by a steel ball.

3. The large-stroke linkage self-locking auxiliary support mechanism according to claim 2, characterized in that: The third cavity (105) is connected to the first cavity (103) and the second cavity (104). A locking flange cover (12) is provided on the top of the third cavity (105). The locking flange cover (12) is fixedly installed on the top of the cylinder body (1) by screws.

4. The large-stroke linkage self-locking auxiliary support mechanism according to claim 2, characterized in that: One end of the first cavity (103) is equipped with a short spacer (14) that cooperates with the side clamping rod (4); the other end of the first cavity (103) is equipped with a long spacer (2) that cooperates with the side clamping rod (4). The outer wall of the side clamping rod (4) is provided with an annular groove (401). The annular groove (401) and the inner wall of the long spacer (2) form a first oil cavity. The other end of the vertical oil port (102) is connected to the first oil cavity. One end of the side clamping rod (4) is provided with an oil passage (402) that is connected to the first oil cavity. The piston end of the connecting piston rod (9) is movably located in the oil passage (402).

5. The long-stroke linkage self-locking auxiliary support mechanism according to claim 2, characterized in that: One end of the second cavity (104) is a second oil cavity that cooperates with the piston movement of the auxiliary pressing piston rod (11). One end of the second oil cavity is connected to the A1 oil port (15), and the other end is connected to the B oil port (16).

6. The large-stroke linkage self-locking auxiliary support mechanism according to claim 1, characterized in that: An auxiliary clamping flange (13) is installed on the other side of the cylinder body (1).

7. The long-stroke linkage self-locking auxiliary support mechanism according to claim 1, characterized in that: The top of the side clamping rod (4) is provided with a stepped inclined surface (403); the inclined wedge locking pin (6) is provided with a self-locking hole (601) that cooperates with the other end of the auxiliary pressing piston rod (11); the bottom end of the inclined wedge locking pin (6) is provided with an inclined wedge head (602) that cooperates with the stepped inclined surface (403).

8. The large-stroke linkage self-locking auxiliary support mechanism according to claim 1, characterized in that: The bottom of the outer wall of the side clamping rod (4) is provided with a guide pin groove, and the bottom of the cylinder body (1) is provided with an anti-rotation pin (3), the top of which extends into the guide pin groove.

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