Anti-loosening graphite packing clamping device

Abstract

The utility model discloses an anti-loosening graphite packing clamping device which comprises a machine frame, a transmission mechanism and a clamping mechanism, a servo air cylinder is started, a pneumatic push rod is controlled to stretch towards the front end, and a conical impact block arranged at the upper end of the pneumatic push rod is driven to extend to the position between friction blocks. A first connecting rod and a second connecting rod at the upper end of a friction block and a movable shaft move in the direction opposite to the stress direction under the condition that the first connecting rod and the second connecting rod and the movable shaft are affected by external force, and therefore a first clamping block and a second clamping block arranged at the upper end of the first connecting rod and the upper end of the second connecting rod move in the opposite direction at the same time; according to the graphite packing clamping and fixing device, the transmission mechanism is arranged, the graphite packing is placed in the clamping grooves in sequence, the servo air cylinder is controlled to drive the pneumatic push rod to contract after placing is completed, the procedures are reversed, and therefore clamping and fixing of the graphite packing are completed. The graphite packing can be clamped and fixed by controlling a switch of the servo cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite packing processing, in particular to a graphite packing clamping device for preventing loosening. Background Art

[0002] Graphite packing is mainly made of graphite wires reinforced by various reinforcing fibers, metal wires (steel wire, copper wire, nickel wire, carbon fiber, pre-oxidized wire, glass yarn) and other materials. It is suitable for dynamic sealing under high temperature and high pressure conditions. Except for a few strong oxidants, it can be used to seal hot water, superheated steam, heat transfer fluid, ammonia solution, hydrocarbons, cryogenic liquids and other media. It is mainly used for sealing valves, pumps, and reactors under high temperature, high pressure, and corrosion-resistant media. It is also a unique universal sealing packing.

[0003] However, after the fiber graphite wires of the graphite packing are mixed with the metal wires, the tightness of the two is still not enough, and further clamping operation is required. Therefore, those skilled in the art provide a graphite packing clamping device that prevents loosening to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a graphite packing clamping device for preventing loosening, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A graphite packing clamping device for preventing loosening includes a frame, a transmission mechanism and a clamping mechanism, and is characterized in that a servo cylinder is fixedly connected to the side wall at one end of the frame, a pneumatic push rod is arranged on the upper end of the servo cylinder, the pneumatic push rod is sleeved and connected to the frame, a conical impact block is arranged on the other end of the pneumatic push rod, a transmission mechanism is arranged on the upper end of the inner side wall of the frame, and a clamping mechanism is arranged on the upper end of the transmission mechanism.

[0007] As a further solution of the utility model: a fixed block is provided on the upper end surface inside the frame, a second connecting rod is provided on the upper end of the fixed block, a first connecting rod is provided on the upper end of the second connecting rod, a movable shaft is provided at the connection between the first connecting rod and the second connecting rod, friction blocks are provided on the upper end surfaces of one end of the first connecting rod and the second connecting rod, and the friction blocks are movably connected to the conical impact block.

[0008] As a further solution of the utility model: the outer side wall of the frame is sleeved with a first linkage rod, the upper ends of the first linkage rod and the second linkage rod are both provided with limiting holes, the limiting holes are sleeved with the first linkage rod, the left and right ends of the outer side wall of the first linkage rod are provided with linkage blocks, the upper ends of the first linkage rod between the linkage blocks and the first linkage rod and the second linkage rod are sleeved with a first damping spring, and a second damping spring is provided between the fixed block and the inner side wall of the frame.

[0009] As a further solution of the utility model: a first clamping block is provided at the other end of the second connecting rod, and a second clamping block is provided at the other end of the first connecting rod. The first clamping block is provided with a plurality of clamping grooves near the inner side wall of the first connecting rod, and the clamping grooves are arranged at equal intervals. The second clamping block is provided with a plurality of extension blocks near the inner side wall of the second connecting rod, and the extension blocks are arranged at equal intervals.

[0010] As a further solution of the utility model: the extension block and the clamping groove are arranged correspondingly.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: since the utility model is provided with a transmission mechanism, the clamping and fixing of the graphite packing can be completed by controlling the switch of the servo cylinder through the cooperation between various parts, and a plurality of damping springs are arranged in the transmission mechanism, which can convert some energy generated by mechanical movement into heat energy, thereby reducing the generation of vibration and noise, and at the same time can reduce the impact and vibration during the movement of the machine, thereby reducing the wear and damage of parts, and increasing the service life of the device. The overall device is easy to operate and can quickly complete the clamping work. Since a clamping mechanism is provided, the effect of the graphite packing after clamping can be ensured through the clamping groove and the extension block, and the graphite packing is placed so as to prevent it from falling and affecting the subsequent use. In addition, a plurality of groups of clamping grooves and extension blocks are provided, and a plurality of groups of graphite packings can be clamped, thereby greatly improving the work efficiency. The utility model relates to a graphite packing clamping device that prevents loosening. The utility model is simple and reasonable in structure design, and is convenient and quick to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The figure is a schematic diagram of the structure of a graphite packing clamping device for preventing loosening.

[0013] Figure 2 The figure is a schematic diagram of the structure of a graphite packing clamping device for preventing loosening, viewed from above.

[0014] Figure 3 This is a schematic diagram of the enlarged structure of point A in a graphite packing clamping device that prevents loosening.

[0015] Figure 4 This is a schematic diagram of the enlarged structure of point B in a graphite packing clamping device that prevents loosening.

[0016] In the figure: 1-frame, 2-servo cylinder, 3-pneumatic push rod, 4-conical impact block, 5-first connecting rod, 6-second connecting rod, 7-friction block, 8-first linkage rod, 9-linkage block, 10-first damping spring, 11-second linkage rod, 12-second damping spring, 13-fixed block, 14-movable shaft, 15-first clamping block, 16-second clamping block, 17-clamping groove, 18-extension block. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with the specific implementation methods. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" 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 directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0018] See also Figures 1 to 4In the embodiment of the utility model, a graphite packing clamping device for preventing loosening includes a frame 1, a servo cylinder 2, a pneumatic push rod 3, a conical impact block 4, a first connecting rod 5, a second connecting rod 6, a friction block 7, a first linkage rod 8, a linkage block 9, a first damping spring 10, a second linkage rod 11, a second damping spring 12, a fixed block 13, a movable shaft 14, a first clamping block 15, a second clamping block 16, a clamping groove 17, and an extension block 18; the side wall of one end of the frame 1 is fixedly connected to the servo cylinder 2, and the servo cylinder 2 is fixedly connected to the side wall of the frame 1. The upper end of the service cylinder 2 is provided with a pneumatic push rod 3, which is sleeve-connected with the frame 1, and the other end of the pneumatic push rod 3 is provided with a conical impact block 4, and the upper end of the inner wall of the frame 1 is provided with a transmission mechanism, and the upper end of the transmission mechanism is provided with a clamping mechanism. The upper end surface of the inner part of the frame 1 is provided with a fixed block 13, and the upper end of the fixed block 13 is provided with a second connecting rod 6, and the upper end of the second connecting rod 6 is provided with a first connecting rod 5, and a movable shaft 14 is provided at the connection between the first connecting rod 5 and the second connecting rod 6. The upper ends of the first connecting rod 5 and the second connecting rod 6 are provided with a movable shaft 14. The outer surface is provided with a friction block 7, and the friction block 7 and the friction block 7 are movably connected to the conical impact block 4. The outer wall of the frame 1 is sleeved with a first linkage rod 8, and the upper ends of the first linkage rod 5 and the second linkage rod 6 are provided with a limited hole, and the limited hole is sleeved with the first linkage rod 8. The left and right ends of the outer wall of the first linkage rod 8 are provided with linkage blocks 9, and the upper ends of the first linkage rod 8 between the linkage block 9 and the first linkage rod 5 and the second linkage rod 6 are sleeved with a first damping spring 10, and the fixing block 13 is connected to the inner wall of the frame 1. A second damping spring 12 is provided, a first clamping block 15 is provided at the other end of the second connecting rod 6, and a second clamping block 16 is provided at the other end of the first connecting rod 5. The first clamping block 15 is provided with a plurality of clamping grooves 17 on the inner side wall close to the first connecting rod 5, and the clamping grooves 17 are arranged at equal intervals. The second clamping block 16 is provided with a plurality of extension blocks 18 on the inner side wall close to the second connecting rod 6, and the extension blocks 18 are arranged at equal intervals, and the extension blocks 18 are arranged corresponding to the clamping grooves 17.

[0019] The working principle of the utility model is: start the servo cylinder, control the pneumatic push rod to extend to the front end, drive the conical impact block arranged on the upper end of the pneumatic push rod to extend between the friction blocks, so that the first connecting rod and the second connecting rod and the movable shaft at the upper end of the friction block move in the direction relative to the force direction under the influence of external force, so that the first clamping block and the second clamping block arranged on the upper end of the first connecting rod and the second connecting rod move in the relative direction at the same time, and then the graphite packing is placed in the clamping groove in turn. After the placement is completed, the servo cylinder is controlled to drive the pneumatic push rod to shrink, and the above-mentioned process is reversed, so as to complete the clamping and fixing of the graphite packing. Since the utility model is provided with a transmission mechanism, the switch of the servo cylinder can be controlled through the cooperation between various parts to complete the graphite packing. The graphite packing is clamped and fixed, and a plurality of damping springs are arranged in the transmission mechanism, which can convert some energy generated by mechanical movement into heat energy, thereby reducing the generation of vibration and noise, and at the same time can reduce the impact and vibration during the movement of the machine, thereby reducing the wear and damage of parts and increasing the service life of the device. The overall device is easy to operate and can quickly complete the clamping work. Because a clamping mechanism is provided, the clamping effect of the graphite packing can be ensured through the clamping groove and the extension block, and the graphite packing can be prevented from falling and affecting the subsequent use. In addition, multiple groups of clamping grooves and extension blocks are provided, and multiple groups of graphite packings can be clamped, which greatly improves the work efficiency. The utility model relates to a graphite packing clamping device that prevents loosening. The utility model is simple and reasonable in structure design and is convenient and quick to operate.

[0020] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0021] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A graphite packing clamping device for preventing loosening, comprising a frame (1), a transmission mechanism and a clamping mechanism, characterized in that: A servo cylinder (2) is fixedly connected to a side wall at one end of the frame (1); a pneumatic push rod (3) is arranged at the upper end of the servo cylinder (2); the pneumatic push rod (3) is sleeve-connected to the frame (1); a conical impact block (4) is arranged at the other end of the pneumatic push rod (3); a transmission mechanism is arranged at the upper end of the inner side wall of the frame (1); and a clamping mechanism is arranged at the upper end of the transmission mechanism.

2. The anti-loosening graphite packing clamping device according to claim 1, characterized in that: The transmission mechanism comprises a first connecting rod (5), a second connecting rod (6), a friction block (7), a first linkage rod (8), a linkage block (9), a first damping spring (10), a second linkage rod (11), a second damping spring (12), a fixed block (13), and a movable shaft (14); a fixed block (13) is arranged on the upper end surface of the frame (1), and a second connecting rod (6) is arranged on the upper end of the fixed block (13).

3. The anti-loosening graphite packing clamping device according to claim 2, characterized in that: A first connecting rod (5) is arranged at the upper end of the second connecting rod (6); a movable shaft (14) is arranged at the connection between the first connecting rod (5) and the second connecting rod (6); friction blocks (7) are arranged on the upper end surfaces of one end of the first connecting rod (5) and the second connecting rod (6); and the friction blocks (7) and the friction blocks (7) are movably connected to the conical impact block (4).

4. The anti-loosening graphite packing clamping device according to claim 1, characterized in that: The outer wall of the frame (1) is sleeved with a first linkage rod (8); the upper ends of the first linkage rod (5) and the second linkage rod (6) are both provided with limit holes, the limit holes are sleeved with the first linkage rod (8); the left and right ends of the outer wall of the first linkage rod (8) are both provided with linkage blocks (9); the upper ends of the first linkage rod (8) between the linkage blocks (9) and the first linkage rod (5) and the second linkage rod (6) are sleeved with a first damping spring (10); and a second damping spring (12) is provided between the fixed block (13) and the inner wall of the frame (1).

5. The anti-loosening graphite packing clamping device according to claim 4, characterized in that: The clamping mechanism comprises a first clamping block (15), a second clamping block (16), a clamping groove (17), and an extension block (18); the other end of the second connecting rod (6) is provided with the first clamping block (15), and the other end of the first connecting rod (5) is provided with the second clamping block (16).

6. The anti-loosening graphite packing clamping device according to claim 5, characterized in that: The first clamping block (15) is provided with a plurality of clamping grooves (17) on the inner side wall close to the first connecting rod (5), and the clamping grooves (17) are arranged at equal intervals. The second clamping block (16) is provided with a plurality of extension blocks (18) on the inner side wall close to the second connecting rod (6), and the extension blocks (18) are arranged at equal intervals.

7. The anti-loosening graphite packing clamping device according to claim 6, characterized in that: The extension block (18) and the clamping groove (17) are arranged correspondingly.

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