A three-jaw chuck for eccentric gasket polishing

Abstract

The utility model discloses a three -jaw fixing chuck of eccentric gasket polishing processing belongs to machining equipment technical field, and it is including: three -jaw chuck and eccentric gasket, the centre of three -jaw chuck is provided with the spigot and can dismantle and install the limit block in spigot, the limit block fixedly connected with hexagonal insertion stem to three -jaw chuck clamp jaw direction, the eccentric gasket outer wall is provided with hexagonal insertion groove, and hexagonal insertion stem one end is inserted in the hexagonal insertion groove, the centre of limit block is provided with the threaded hole, and the threaded hole is screw thread connection with the threaded bush, and the fixed mounting of threaded bush has contact sensor, the utility model discloses through the hexagonal insertion stem of limit block and the eccentric gasket own hexagonal insertion hole is inserted and connected, makes the eccentric gasket to place the processing fast alignment, effectively avoids eccentric error, and in the process of placing, through contact sensor real -time monitoring gasket's adhesion and clamping condition, through signal line feedback to external system, avoids the bad clamping.

Description

Technical Field

[0001] This utility model relates to the field of mechanical processing equipment technology, specifically a three-jaw fixed chuck for polishing eccentric gaskets. Background Technology

[0002] Currently, in the polishing process of eccentric gaskets for vehicles, ordinary three-jaw chucks are often used to clamp the workpiece. Although traditional three-jaw chucks have good concentric clamping performance, their structure is usually based on symmetrical center clamping, which makes it difficult to achieve precise positioning and stable fixation of eccentric workpieces.

[0003] Furthermore, existing chucks often lack means to detect the fit of the workpiece, and operators usually rely on experience to judge the clamping status, which can easily lead to insufficient or excessive clamping and damage to the workpiece.

[0004] Based on this, this utility model designs a three-jaw fixing chuck for eccentric gasket polishing to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a three-jaw chuck for polishing eccentric gaskets, in order to solve the above-mentioned technical problems.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a three-jaw chuck for polishing an eccentric gasket, comprising: a three-jaw chuck and an eccentric gasket; the three-jaw chuck has a central opening with a detachable limit block installed inside the opening, the limit block is fixedly connected to a hexagonal rod facing the jaws of the three-jaw chuck, the outer wall of the eccentric gasket has a hexagonal slot, and one end of the hexagonal rod is inserted into the hexagonal slot; The center of the limiting block has a threaded hole, and a threaded sleeve is threadedly connected inside the threaded hole. A contact sensor is fixedly installed inside the threaded sleeve, and the sensing end of the contact sensor extends out of the threaded sleeve and contacts the surface of the eccentric gasket.

[0007] Preferably, one end of the limiting block is integrally formed with multiple connecting arms. The connecting arms are bent at right angles and fit against the edge of the three-jaw chuck's insertion port. They are detachably connected to the three-jaw chuck by bolts to enable the installation and removal of the limiting block.

[0008] Preferably, a hexagonal screw block is fixedly connected to one end of the threaded sleeve near the contact sensor, and a cable connector for connecting the contact sensor is fixedly provided at the other end. The cable connector is electrically connected to an external detection system to realize signal transmission and monitoring.

[0009] Preferably, the three-jaw chuck has three counterweights detachably installed at one end of the three jaws, and the counterweights are located between the three jaws to stabilize and maintain the overall balance and stability of the chuck.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: by connecting the hexagonal plug of the limiting block with the hexagonal plug hole of the eccentric gasket, the eccentric gasket can be quickly aligned during the placement and processing, effectively avoiding eccentricity error. In addition, during the placement process, the contact sensor monitors the fit and clamping of the gasket in real time and feeds back to the external system through the signal line to avoid poor clamping. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this embodiment; Figure 2 This is a schematic diagram showing the disassembled eccentric gasket in this embodiment; Figure 3 This is a schematic diagram highlighting the rear structure of the three-jaw chuck in this embodiment; Figure 4 This embodiment highlights the rear end structure plan view of the three-jaw chuck; Figure 5 This is a schematic diagram showing the internal structure of the three-jaw chuck in this embodiment.

[0013] The attached diagram lists the components represented by each number as follows: 1. Three-jaw chuck; 2. Limit block; 3. Connecting arm; 4. Threaded sleeve; 5. Hexagonal screw block; 6. Contact sensor; 7. Cable connector; 8. Eccentric washer; 9. Hexagonal insert; 10. Hexagonal slot; 11. Counterweight. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-5This utility model provides a technical solution: a three-jaw fixed chuck with eccentric gasket polishing, including: a three-jaw chuck 1 and an eccentric gasket 8; the three-jaw chuck 1 has a socket in the center and a limit block 2 is detachably installed in the socket, the limit block 2 is fixedly connected to a hexagonal rod 9 facing the jaws of the three-jaw chuck 1, the outer wall of the eccentric gasket 8 has a hexagonal slot 10, and one end of the hexagonal rod 9 is inserted into the hexagonal slot 10; The center of the limiting block 2 is provided with a threaded hole, and a threaded sleeve 4 is threadedly connected inside the threaded hole. A contact sensor 6 is fixedly installed inside the threaded sleeve 4, and the sensing end of the contact sensor 6 extends out of the threaded sleeve 4 and contacts the surface of the eccentric pad 8. A socket is set in the center of the three-jaw chuck 1, and a limiting block 2 is installed in the socket. A hexagonal plug 9 is fixed at the front end of the limiting block 2, which engages with the hexagonal slot 10 on the outer wall of the eccentric gasket 8, achieving precise positioning and anti-slip fixation of the eccentric gasket 8. A threaded sleeve 4 and a contact sensor 6 are set in the center of the limiting block 2 to detect the clamping contact state of the gasket, and the threaded sleeve 4 can be disassembled and installed separately. This achieves stable fixation and automatic detection of the eccentric gasket 8 during polishing, avoiding eccentricity errors and loosening, and improving processing safety and accuracy.

[0016] More preferably, one end of the limiting block 2 is integrally formed with multiple connecting arms 3. The connecting arms 3 are bent at right angles and fit against the edge of the insertion port of the three-jaw chuck 1. They are detachably connected to the three-jaw chuck 1 by bolts so as to realize the installation and removal of the limiting block 2. The installation, maintenance and replacement of limit block 2 are more convenient, improving the chuck's adaptability; limit blocks 2 of different sizes can be quickly replaced, enhancing the equipment's versatility and clamping flexibility.

[0017] In a further preferred embodiment, a hexagonal screw block 5 is fixedly connected to one end of the threaded sleeve 4 near the contact sensor 6, and a cable connector 7 for connecting the contact sensor 6 is fixedly provided at the other end. The cable connector 7 is electrically connected to an external detection system to realize signal transmission and monitoring. By adjusting and combining the signal output structure, the clamping pressure is visualized and the detection accuracy is high, avoiding damage to the eccentric shim 8 caused by insufficient or excessive clamping, thus improving the safety and reliability of the machining process.

[0018] In a further preferred embodiment, the three-jaw chuck 1 has three counterweights 11 detachably installed at one end of the three jaws. The counterweights 11 are located between the three jaws respectively, and are used to stabilize and maintain the overall balance and stability of the chuck. By balancing the centrifugal force with counterweight 11, vibration and polishing errors are reduced, the rotational accuracy and service life of the chuck are improved, and the smoothness and uniformity of the polished surface of the eccentric shim 8 are guaranteed.

[0019] One specific application of this embodiment is as follows: The three-jaw chuck 1 is pre-installed in the workpiece machining center. An eccentric shim 8 with a pre-cut hexagonal slot 10 is placed between the jaws of the three-jaw chuck 1, so that the hexagonal slot 10 of the eccentric shim 8 aligns with the hexagonal insert 9 at the front end of the limiting block 2 and they are inserted. After initial positioning, the eccentric shim 8 contacts the sensing end of the contact sensor 6. The contact sensor 6 senses and outputs a detection signal, which is connected to an external detection system to monitor the clamping status in real time. When the sensing signal reaches the set value, it indicates that the eccentric shim 8 has been properly positioned and is monitored in real time during the machining process. Then, after the three-jaw chuck 1 is started, its own control mechanism causes the three jaws to gradually tighten towards the center, achieving the final fixation of the eccentric shim 8. The polishing and cutting equipment of the machining center is started to process the eccentric shim 8. Due to the balancing effect of the counterweight 11, the entire system rotates stably without significant sway.

[0020] In the description of this utility model, it should be understood that the terms "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A three-jaw chuck with an eccentric washer polished, characterized in that, include: A three-jaw chuck (1) and an eccentric washer (8); the three-jaw chuck (1) has a socket in the center and a limit block (2) can be detachably installed in the socket. The limit block (2) is fixedly connected to a hexagonal rod (9) facing the jaws of the three-jaw chuck (1). The outer wall of the eccentric washer (8) has a hexagonal slot (10). One end of the hexagonal rod (9) is inserted into the hexagonal slot (10). The center of the limiting block (2) is provided with a threaded hole, and a threaded sleeve (4) is threadedly connected inside the threaded hole. A contact sensor (6) is fixedly installed inside the threaded sleeve (4), and the sensing end of the contact sensor (6) extends out of the threaded sleeve (4) and contacts the surface of the eccentric gasket (8).

2. The three-jaw chuck for polishing eccentric gaskets according to claim 1, characterized in that: The limiting block (2) has multiple connecting arms (3) integrally formed at one end. The connecting arms (3) are bent at right angles and fit against the edge of the insertion port of the three-jaw chuck (1). They are detachably connected to the three-jaw chuck (1) by bolts so as to realize the installation and removal of the limiting block (2).

3. The three-jaw chuck for polishing eccentric gaskets according to claim 1, characterized in that: The threaded sleeve (4) is fixedly connected to a hexagonal screw block (5) at one end near the contact sensor (6), and a cable connector (7) for connecting the contact sensor (6) is fixedly provided at the other end. The cable connector (7) is electrically connected to an external detection system to realize signal transmission and monitoring.

4. A three-jaw chuck for polishing eccentric gaskets according to claim 1, characterized in that: The three-jaw chuck (1) has three counterweights (11) detachably installed at one end of the three jaws. The counterweights (11) are located between the three jaws and are used to stabilize the overall balance and stability of the chuck.

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