Clamp for casting part machining

Abstract

The clamp for casting part machining is used for machining a cast hub and comprises the hub, and an assembly hole is formed in the hub; the lower end of the mounting seat is fixedly connected with processing equipment, and a transition seat is fixed at the upper end of the mounting seat; the clamping assembly comprises a base, a supporting piece, a clamping piece, an inserting piece and a pre-positioning piece; the base is connected with the transition seat, and the supporting piece, the clamping piece, the inserting piece and the pre-positioning piece are arranged on the base; the upper end face of the supporting piece abuts against the lower end face of the hub. The clamping pieces are arranged on the inner side of the hub, and the multiple sets of clamping pieces are distributed in the circumferential direction of the hub. The plug connector is arranged below the hub, and the top end of the plug connector is inserted into an assembly hole in the hub; the pre-positioning pieces are arranged on the inner side of the hub, the multiple sets of pre-positioning pieces are distributed in the circumferential direction of the hub, the inner side of the hub makes contact with the tops of the pre-positioning pieces, and the assembling hole of the hub is clamped to the inserting piece, and the clamp can conduct positioning and clamping rapidly and has the advantages of being simple in structure and stable in clamping.

Description

Technical Field

[0001] The utility model relates to a casting, in particular to a fixture for machining the casting. Background Art

[0002] After casting, the wheel hub undergoes a series of machining operations, such as drilling, milling, and slotting. Machining the wheel hub requires the use of a fixture. Current fixtures for clamping the wheel hub suffer from long workpiece switching times, unstable clamping, and complex structures. Therefore, it is necessary to address these shortcomings of the existing technology. Utility Model Content

[0003] The utility model aims to solve the problems mentioned in the above background technology.

[0004] The present application discloses a fixture for machining castings, which is used for machining a casting hub, and includes:

[0005] A wheel hub, wherein the wheel hub has an assembly hole;

[0006] A mounting seat, the lower end of which is fixedly connected to the processing equipment, and the upper end of which is fixed with a transition seat;

[0007] A clamping assembly, comprising a base, a support member, a clamping member, a plug-in member and a pre-positioning member;

[0008] Wherein, the base is connected to the transition seat, and the support member, the clamping member connector and the pre-positioning member are arranged on the base;

[0009] Wherein, the upper end surface of the support member abuts against the lower end surface of the hub;

[0010] Wherein, the clamping member is arranged on the inner side of the wheel hub, and the clamping member is distributed in multiple groups along the circumference of the wheel hub;

[0011] Wherein, the plug-in component is provided below the wheel hub, and the top end of the plug-in component is plugged into the assembly hole on the wheel hub;

[0012] Among them, the pre-positioning parts are arranged on the inner side of the wheel hub, and the pre-positioning parts are distributed in multiple groups along the circumference of the wheel hub. The inner side of the wheel hub contacts the top of the pre-positioning parts, and the assembly hole of the wheel hub is clamped on the connector. The utility model sets support parts, clamping parts, connectors and pre-positioning parts, and uses support parts, clamping parts and connectors to limit the wheel hub in the horizontal and height directions, which can ensure that the wheel hub will not move during the processing and improve the processing stability; in addition, the setting of the pre-positioning parts can make the wheel hub quickly positioned and clamped when switching, and the switching speed is fast. The fixture has the advantages of simple structure and stable clamping.

[0013] In a specific embodiment, the support member includes a support seat fixedly connected to the base and a support block provided on the support seat, and the support block abuts against the lower end surface of the wheel hub. The wheel hub is supported by providing the support block, which has a simple structure and is easy to implement.

[0014] In a specific embodiment, the clamping member includes a base and a cylinder installed on the base. The output end of the cylinder is rotatably connected to a pressure arm. A connecting rod is pivotally connected between the pressure arm and the base. The cylinder can drive the pressure arm to flip and abut against the upper end surface of the wheel hub. By driving the pressure arm to flip and abut against the wheel hub, the height direction of the wheel hub is limited. The structure is simple and the clamping effect is stable.

[0015] In a specific embodiment, the connector includes a socket and a diamond-shaped pin fixed on the socket, and the diamond-shaped pin is inserted into the assembly hole. By matching the diamond-shaped pin and the assembly hole, on the one hand, it can limit the horizontal direction of the wheel hub, and on the other hand, the diamond-shaped pin can prevent the wheel hub from rotating, thereby limiting the circumferential direction.

[0016] In a specific embodiment, the pre-positioning member includes a positioning seat fixedly connected to the base and a positioning rod provided on the positioning seat, the top end of the positioning rod has a chamfer. By arranging the positioning rod on the inner side of the wheel hub and arranging a chamfer on the positioning rod, when switching the wheel hub, it can slide downward along the positioning rod to complete rapid positioning, facilitate the switching of the wheel hub, and have high operating efficiency.

[0017] In a specific embodiment, a U-shaped groove is provided on the positioning seat, and an adjusting bolt connected to the base is provided in the U-shaped groove. The position of the positioning rod can be easily adjusted through the cooperation of the U-shaped groove and the adjusting bolt.

[0018] Beneficial effects: The utility model sets support members, clamping members, connectors and pre-positioning members, and uses the support members, clamping members and connectors to limit the wheel hub in the horizontal and height directions, thereby ensuring that the wheel hub will not move during the processing, thereby improving the processing stability; in addition, the setting of the pre-positioning members can make the wheel hub quickly positioned and clamped when switching, and the switching speed is fast. The fixture has the advantages of simple structure and stable clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a fixture for machining castings according to this embodiment;

[0020] Figure 2 It is a schematic diagram of the structure of the wheel hub;

[0021] Figure 3 It is a structural diagram of the clamping member;

[0022] Figure 4 It is a structural diagram of the support member;

[0023] Figure 5 It is a structural diagram of the connector;

[0024] Figure 6 It is a structural diagram of the pre-positioning component.

[0025] Among them: 100, fixture; 1, transition seat; 2, base; 3, support member; 30, support seat; 31, support block; 4, connector; 40, connector; 41, diamond latch; 5, pre-positioning member; 50, positioning seat; 51, U-shaped groove; 52, positioning rod; 53, chamfer; 6, clamping member; 60, base; 61, cylinder; 62, connecting rod; 63, pressure arm; 7, wheel hub; 70, assembly hole. DETAILED DESCRIPTION

[0026] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "counterclockwise," "clockwise," "axial," "radial," "circumferential," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0029] Example

[0030] A fixture 100 for processing castings in this embodiment is used for processing a casting wheel hub 7, comprising a wheel hub 7 with an assembly hole 70; a mounting seat, the lower end of which is fixedly connected to a processing device, and the upper end of which is fixed with a transition seat 2; a clamping assembly, which comprises a base 2, a support member 3, a clamping member 6, a plug-in member 4 and a pre-positioning member 5; wherein, the base 2 is connected to the transition seat 2, and the support member 3, the clamping member 6, the plug-in member 4 and the pre-positioning member 5 are arranged on the base 2; wherein, the upper end surface of the support member 3 abuts against the lower end surface of the wheel hub 7; wherein, the clamping member 6 is arranged on the inner side of the wheel hub 7, and the clamping member 6 is distributed in multiple groups along the circumference of the wheel hub 7; wherein, the plug-in member 4 is arranged below the wheel hub 7, and the plug-in member 4 is arranged below the wheel hub 7. The top end of the connector 4 is inserted into the assembly hole 70 on the wheel hub 7; wherein, the pre-positioning member 5 is provided on the inner side of the wheel hub 7, and the pre-positioning member 5 is distributed in multiple groups along the circumference of the wheel hub 7, and the inner side of the wheel hub 7 contacts the top of the pre-positioning member 5, and the assembly hole 70 of the wheel hub 7 is clamped on the connector 4. The utility model sets the support member 3, the clamping member 6, the connector 4 and the pre-positioning member 5, and uses the support member 3, the clamping member 6 and the connector 4 to limit the wheel hub 7 in the horizontal and height directions, thereby ensuring that the wheel hub 7 does not move during the processing, thereby improving the processing stability; in addition, the setting of the pre-positioning member 5 can make the wheel hub 7 quickly positioned and clamped when switching, and the switching speed is fast, and the fixture has the advantages of simple structure and stable clamping.

[0031] See also Figure 4 The support member 3 includes a support seat 30 fixedly connected to the base 2 and a support block 31 provided on the support seat 30. The support block 31 abuts against the lower end surface of the wheel hub 7. The wheel hub 7 is supported by providing the support block 31. The structure is simple and easy to implement.

[0032] See also Figure 3 The clamping member 6 includes a base 60 and a cylinder 61 installed on the base 60. The output end of the cylinder 61 is rotatably connected to a pressure arm 63. A connecting rod 62 is pivotally connected between the pressure arm 63 and the base 60. The cylinder 61 can drive the pressure arm 63 to flip and abut against the upper end surface of the wheel hub 7. By driving the pressure arm 63 to flip and abut against the wheel hub 7 through the cylinder 61, the height direction of the wheel hub 7 is limited. The structure is simple and the clamping effect is stable.

[0033] See also Figure 5The connector 4 includes a socket 40 and a diamond-shaped pin 41 fixed on the socket 40. The diamond-shaped pin 41 is inserted into the assembly hole 70. By matching the diamond-shaped pin 41 with the assembly hole 70, on the one hand, it can limit the horizontal direction of the wheel hub 7, and on the other hand, the diamond-shaped pin 41 can prevent the wheel hub 7 from rotating, thereby limiting the circumferential direction.

[0034] See also Figure 6 The pre-positioning member 5 includes a positioning seat 50 fixedly connected to the base 2 and a positioning rod 52 provided on the positioning seat 50. The top end of the positioning rod 52 has a chamfer 53. By arranging the positioning rod 52 on the inner side of the wheel hub 7 and arranging the chamfer 53 on the positioning rod 52, when switching the wheel hub 7, it can slide downward along the positioning rod 52 to complete rapid positioning, facilitate the switching of the wheel hub 7, and have high operating efficiency.

[0035] Continue to see Figure 6 A U-shaped groove 51 is provided on the positioning seat 50, and an adjusting bolt connected to the base 2 is provided in the U-shaped groove 51. Through the cooperation of the U-shaped groove 51 and the adjusting bolt, the position of the positioning rod 52 can be easily adjusted.

[0036] The above are only specific embodiments of the present application, but the scope of protection of the present application is not limited thereto. Any changes or replacements within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A fixture for machining castings, used for machining cast wheel hubs, characterized in that: include: A wheel hub, wherein the wheel hub has an assembly hole; A mounting seat, the lower end of which is fixedly connected to the processing equipment, and the upper end of which is fixed with a transition seat; A clamping assembly, comprising a base, a support member, a clamping member, a plug-in member and a pre-positioning member; Wherein, the base is connected to the transition seat, and the support member, the clamping member connector and the pre-positioning member are arranged on the base; Wherein, the upper end surface of the support member abuts against the lower end surface of the hub; Wherein, the clamping member is arranged on the inner side of the wheel hub, and the clamping member is distributed in multiple groups along the circumference of the wheel hub; Wherein, the plug-in component is provided below the wheel hub, and the top end of the plug-in component is plugged into the assembly hole on the wheel hub; The pre-positioning member is arranged on the inner side of the wheel hub, and there are multiple groups of pre-positioning members distributed along the circumference of the wheel hub. The inner side of the wheel hub contacts the top of the pre-positioning member, and the assembly hole of the wheel hub is clamped on the connector.

2. A fixture for machining castings according to claim 1, characterized in that: The support member includes a support seat fixedly connected to the base and a support block provided on the support seat, and the support block abuts against the lower end surface of the hub.

3. A fixture for machining castings according to claim 2, characterized in that: The clamping member includes a base and a cylinder installed on the base. The output end of the cylinder is rotatably connected to a pressure arm. A connecting rod is pivotally connected between the pressure arm and the base. The cylinder can drive the pressure arm to flip and abut against the upper end surface of the wheel hub.

4. A fixture for machining castings according to claim 3, characterized in that: The connector includes a socket and a diamond-shaped pin fixed on the socket, and the diamond-shaped pin is inserted into the assembly hole.

5. A fixture for machining castings according to claim 4, characterized in that: The pre-positioning member includes a positioning seat fixedly connected to the base and a positioning rod provided on the positioning seat, and the top end of the positioning rod has a chamfer.

6. A fixture for machining castings according to claim 5, characterized in that: A U-shaped groove is provided on the positioning seat, and an adjusting bolt connected to the base is provided in the U-shaped groove.

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