A quick indexing indexing chuck

Abstract

The utility model belongs to the field of index chuck, specifically speaking is a kind of index chuck of quick indexing, including disc body, the outside of disc body is equipped with cooling plate;The inner wall of cooling plate is set to be porous;Cooling plate side is connected with air inlet pipe;Cooling plate end part is equipped with multiple mounting holes;The inside rotation of disc body is connected with the shaft;The shaft bottom of fixed joint has index disc;Index disc bottom is equipped with the top rod;The top rod and disc body are the same as sliding fit;Through the cooperation of cooling plate and air inlet pipe, the disc body will be subjected to the cooling airflow effect of cooling plate spray when working, and then the flowing oil body in disc body is cooled, ensure that oil body has stable viscosity, ensure that first extruding piece, second extruding piece have sufficient hydraulic power when sliding.

Description

Technical Field

[0001] This utility model relates to the field of indexing chucks, specifically an indexing chuck capable of rapid indexing. Background Technology

[0002] A dividing chuck is a precision fixture used in machine tool processing. It integrates clamping and indexing functions, enabling multi-faceted machining of workpieces in a single setup, significantly improving processing efficiency and accuracy. Dividing chucks are widely used in CNC lathes, machining centers, and other equipment, and are especially suitable for machining workpieces that require multi-faceted machining, such as valves, hydraulic components, and automotive parts.

[0003] In existing technologies, hydraulic indexing chucks experience oil temperature rises during long-term operation due to resistance, friction, and other factors. This causes the oil viscosity to decrease, reducing the hydraulic power distributed to the indexing plate by the hydraulic system, and consequently reducing the indexing speed of the chuck.

[0004] Therefore, a rapid indexing chuck is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A quick-indexing chuck, comprising a disc body, an outer cooling plate, a porous inner wall of the cooling plate, an air inlet pipe connected to one side of the cooling plate, and multiple mounting holes at the end of the cooling plate; a rotating shaft rotatably connected inside the disc body; an indexing disc fixedly connected to the bottom of the rotating shaft; a push rod at the bottom of the indexing disc; a sliding fit between the push rod and the disc body; clamping plates at opposite ends of the push rod and the indexing disc; a first extrusion member and a second extrusion member slidingly fitted inside the disc body; both the ends of the first and second extrusion members being inclined; through the combined action of the cooling plate and the air inlet pipe, the disc body is subjected to the cooling airflow ejected from the cooling plate during operation, thereby cooling the oil flowing inside the disc body, ensuring the oil has a stable viscosity, and ensuring sufficient hydraulic power for the sliding of the first and second extrusion members.

[0007] Preferably, the disc body has a branch pipe inside; the surface of the branch pipe is porous; the two ends of the branch pipe are connected to a connecting plate; the connecting plate has a trumpet-shaped structure; through holes are symmetrically opened on both sides of the disc body, and the connecting plate and the inner wall of the through hole are fixedly connected; through the cooperation of the branch pipe and the connecting plate, when the cooling plate cools the disc body, the cooling airflow can enter the interior of the branch pipe through the connecting plate and exchange heat with the interior of the disc body, thereby expanding the cooling area of ​​the device for the oil and ensuring that the disc body can quickly clamp and index the workpiece.

[0008] Preferably, a fixing plate is fixedly connected inside the branch pipe; a sliding rod is slidably fitted through the middle of the fixing plate; sliders are fixedly connected to both ends of the sliding rod; a spring is fixedly connected between the sliders and the fixing plate; the spring is sleeved on the outside of the sliding rod; when the disc rotates with the spindle, the branch pipe also rotates with the disc, the workpiece is turned and flying debris is generated, and these debris spreads to the surface of the branch pipe. When the branch pipe is in a horizontal state, the sliders on both sides will seal the holes on the surface of the branch pipe under the action of the spring tension. When the branch pipe is in an inclined or vertical state, the sliders will overcome the spring tension under the action of gravity and stop sealing the holes on the surface of the branch pipe. This makes the holes on the surface of the branch pipe periodically open when the disc rotates, thereby reducing the situation where debris enters the interior of the branch pipe through the holes on the surface of the branch pipe and reducing the amount of work required to clean the branch pipe.

[0009] Preferably, the rotating shaft is externally connected to a plurality of ball bearings; the ball bearings are arranged in a circumferential array; by setting the ball bearings, when the indexing plate is pressed and indexed by the first extruder and the second extruder, the rotating shaft will also rotate with the indexing plate, and the ball bearings will reduce the frictional resistance between the rotating shaft and the plate body, thereby accelerating the indexing speed of the indexing plate due to the extrusion force.

[0010] Preferably, a sealing gasket is fixed to the ends of the first and second extruders away from the rotating shaft; the sealing gasket is used to fill the gap between the first and second extruders and the disc body; the sealing gasket will seal the oil passage connection between the first and second extruders and the disc body, thereby reducing oil leakage when the first and second extruders slide, reducing the resistance encountered when the first and second extruders move, and thus accelerating the extrusion and indexing speed of the first and second extruders on the indexing plate.

[0011] Preferably, the clamping plate, the top rod, and the indexing plate are all connected by bolts, and the bolts are located inside the clamping plate. By setting the bolts, when the device clamps different workpieces, the clamping plate, the top rod, and the indexing plate can be quickly separated by removing the bolts, realizing the quick disassembly of the clamping plate by the device. At the same time, by setting the bolts inside the clamping plate, the bolts will not obstruct the clamping of the workpiece.

[0012] The advantages of this utility model are:

[0013] 1. The indexing chuck of this utility model, which can quickly index, through the cooperation of the cooling plate and the air inlet pipe, allows the disc body to be subjected to the cooling airflow sprayed by the cooling plate during operation, thereby cooling the oil flowing in the disc body, ensuring that the oil body has a stable viscosity, and ensuring that the first extrusion piece and the second extrusion piece have sufficient hydraulic power when sliding.

[0014] 2. The indexing chuck of this utility model, which can quickly index, allows the cooling airflow to enter the interior of the branch pipe through the connecting plate and exchange heat with the interior of the chuck when the cooling plate cools the chuck body, by cooperating with the branch pipe and the connecting plate. This expands the cooling area of ​​the device for the oil and ensures that the chuck body can quickly clamp and index the workpiece. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0016] Figure 1 This is a schematic diagram of the main body of this utility model;

[0017] Figure 2 This is a schematic diagram of the cooling plate in this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the disc body in this utility model;

[0019] Figure 4 This is a schematic diagram of the branch pipe in this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the fixing plate in this utility model.

[0021] In the diagram: 1. Disc body; 12. Rotating shaft; 13. Indexing plate; 14. Top rod; 15. Clamping plate; 16. First extrusion piece; 17. Second extrusion piece; 18. Cooling plate; 19. Air inlet pipe; 110. Mounting hole; 2. Branch pipe; 22. Connecting plate; 3. Slide rod; 32. Slider; 33. Fixing plate; 34. Spring; 4. Ball bearing; 5. Sealing gasket; 6. Bolt. Detailed Implementation

[0022] 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 of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] Specific implementation examples are given below.

[0024] Please see Figures 1 to 5As shown in the embodiment of this utility model, a quick-indexing indexing chuck includes a disc body 1. A cooling plate 18 is provided on the outside of the disc body 1. The inner wall of the cooling plate 18 is porous. An air inlet pipe 19 is connected to one side of the cooling plate 18. Multiple mounting holes 110 are provided at the end of the cooling plate 18. A rotating shaft 12 is rotatably connected inside the disc body 1. An indexing disc 13 is fixedly connected to the bottom of the rotating shaft 12. A push rod 14 is provided at the bottom of the indexing disc 13. The push rod 14 and the disc body 1 are in sliding engagement. Clamping plates 15 are provided at opposite ends of the push rod 14 and the indexing disc 13. A first pressing member 16 and a second pressing member 15 are slidably engaged inside the disc body 1. Extrusion component 17; the ends of the first extrusion component 16 and the second extrusion component 17 are both inclined; when the disc body 1 is working, the workpiece can be placed above the clamping plate 15 at the top of the push rod 14, and then the push rod 14 is driven by the hydraulic system to slide and lift along the disc body 1, so that the workpiece can be clamped by a pair of clamping plates 15. By connecting the disc body 1 to the machine tool spindle, the disc body 1 can be driven to rotate and turn with the workpiece. When the workpiece needs to be indexed, the second extrusion component 17 can be driven away from the indexing plate 13 by the hydraulic system, and the first extrusion component 16 can be pressed against the indexing plate 13. Because the end of the first extrusion component 16 is inclined, the first extrusion component 16 presses against the indexing plate 13. The final position of part 3 will be such that the end of the first extrusion piece 16 and the end of the indexing plate 13 are flush. Because the indexing plate 13 has a square structure, it will rotate 90° during the process to achieve the indexing rotation of the workpiece, allowing the workpiece to be processed in other directions. It is worth mentioning that the use of the above-mentioned disc 1 is all mature existing technology, so the relevant hydraulic system and oil circuit diagram are not shown and will not be described here. When the disc 1 is used for a long time, the oil inside it will heat up due to resistance and friction, reducing its viscosity. At this time, the air intake pipe 19 can be connected to a cooler so that the cooling airflow can enter the interior of the cooling plate 18 through the air intake pipe 19, and the airflow will be sprayed out through the inner wall of the cooling plate 18. The airflow reaches the outside of the disc body 1. Through heat conduction, the airflow absorbs the heat released by the internal oil circuit through the outer shell of the disc body 1, thereby cooling the oil inside the disc body 1. This ensures that the oil in the hydraulic system maintains an appropriate viscosity, reducing oil leakage. At the same time, the cooling plate 18 can be quickly installed onto the lathe surface through the reserved mounting hole 110. Through the cooperation of the cooling plate 18 and the air intake pipe 19, the disc body 1 is subjected to the cooling airflow sprayed by the cooling plate 18 during operation, thereby cooling the flowing oil inside the disc body 1 and ensuring that the oil has a stable viscosity, ensuring sufficient hydraulic power when the first extrusion member 16 and the second extrusion member 17 slide.

[0025] Please see Figure 4 and Figure 5As shown, the disc body 1 has a branch pipe 2 inside; the surface of the branch pipe 2 is porous; the two ends of the branch pipe 2 are connected to a connecting plate 22; the connecting plate 22 has a trumpet-shaped structure; the two sides of the disc body 1 are symmetrically provided with through holes, and the connecting plate 22 and the inner wall of the through holes are fixedly connected; through the cooperation of the branch pipe 2 and the connecting plate 22, part of the cooling airflow ejected by the cooling plate 18 will enter the interior of the branch pipe 2 through the connecting plate 22 and be ejected through the surface of the branch pipe 2. This airflow will exchange heat with the oil circuit inside the disc body 1, expanding the contact area between the cooling airflow and the oil circuit. It is worth mentioning that the oil circuit layout inside the disc body 1 should appropriately avoid the branch pipe 2; through the cooperation of the branch pipe 2 and the connecting plate 22, when the cooling plate 18 cools the disc body 1, the cooling airflow can enter the interior of the branch pipe 2 through the connecting plate 22 and exchange heat with the interior of the disc body 1, expanding the cooling area of ​​the device for the oil, and ensuring that the disc body 1 can quickly clamp and index the workpiece.

[0026] Please see Figure 5 As shown, a fixed plate 33 is fixedly connected inside the branch pipe 2; a sliding rod 3 is slidably fitted through the middle of the fixed plate 33; sliders 32 are fixedly connected to both ends of the sliding rod 3; a spring 34 is fixedly connected between the sliders 32 and the fixed plate 33; the spring 34 is sleeved on the outside of the sliding rod 3; when the disc 1 rotates with the spindle, the branch pipe 2 also rotates with the disc 1, the workpiece is turned and flying debris is generated, and these debris will spread to the surface of the branch pipe 2. When the branch pipe 2 is in a horizontal state, the sliders 32 on both sides will block the holes on the surface of the branch pipe 2 under the tension of the springs 34. When the branch pipe 2 is in an inclined or vertical state, the sliders 32 will overcome the elastic force of the springs 34 under the action of gravity and stop blocking the holes on the surface of the branch pipe 2. This makes the holes on the surface of the branch pipe 2 periodically open when the disc 1 rotates, thereby reducing the situation where debris enters the interior of the branch pipe 2 through the holes on the surface of the branch pipe 2, and reducing the amount of work required to clean the branch pipe 2.

[0027] Please see Figure 3 As shown, a plurality of ball bearings 4 are rotatably connected to the outside of the rotating shaft 12; the ball bearings 4 are arranged in a circumferential array; by setting the ball bearings 4, when the indexing disk 13 is pressed and indexed by the first pressing member 16 and the second pressing member 17, the rotating shaft 12 will also rotate with the indexing disk 13, and the ball bearings 4 will reduce the frictional resistance between the rotating shaft 12 and the disk body 1, thereby accelerating the indexing speed of the indexing disk 13 due to the pressing force.

[0028] Please see Figure 3As shown, sealing gaskets 5 are fixed to the ends of the first extruder 16 and the second extruder 17 away from the rotating shaft 12; the sealing gaskets 5 are used to fill the gaps between the first extruder 16, the second extruder 17 and the disc body 1; so that the sealing gaskets 5 will seal the oil passage connection between the first extruder 16, the second extruder 17 and the disc body 1, thereby reducing the oil leakage that occurs when the first extruder 16 and the second extruder 17 slide, reducing the resistance encountered when the first extruder 16 and the second extruder 17 move, thereby accelerating the extrusion and indexing speed of the first extruder 16 and the second extruder 17 on the indexing disc 13.

[0029] Please see Figure 4 As shown, the clamping plate 15, the push rod 14, and the indexing plate 13 are all connected by bolts 6, and the bolts 6 are located inside the clamping plate 15. By setting the bolts 6, when the device clamps different workpieces, the clamping plate 15, the push rod 14, and the indexing plate 13 can be quickly separated by removing the bolts 6, realizing the quick disassembly of the clamping plate 15. At the same time, by setting the bolts 6 inside the clamping plate 15, the bolts 6 will not obstruct the clamping of the workpiece.

[0030] Working principle: When the disc body 1 is working, the workpiece can be placed above the clamping plate 15 on the top of the push rod 14. Then, the hydraulic system drives the push rod 14 to slide and lift along the disc body 1, so that the workpiece can be clamped by a pair of clamping plates 15. By connecting the disc body 1 to the machine tool spindle, the disc body 1 can be driven to rotate and turn the workpiece. When the workpiece needs to be indexed, the hydraulic system can drive the second extruder 17 away from the indexing plate 13, and make the first extruder 16 extrude the indexing plate 13. Because the end of the first extruder 16 is inclined, the final posture of the first extruder 16 extruding the indexing plate 13 will be that the end of the first extruder 16 is flush with the end of the indexing plate 13. Because the indexing plate 13 has a square structure, the indexing process... The disc 13 rotates 90° to achieve indexing rotation of the workpiece, allowing the workpiece to be processed in other directions. It is worth noting that the use of the disc 1 is based on mature existing technology; therefore, the relevant hydraulic system and oil circuit diagrams are not shown and will not be elaborated upon here. When the disc 1 is used for an extended period, the internal oil will heat up due to resistance and friction, reducing its viscosity. At this time, a cooling airflow can be introduced into the cooling plate 18 by connecting the air inlet pipe 19. The airflow will be ejected through the inner wall of the cooling plate 18 and reach the outside of the disc 1. This airflow will absorb the heat released from the internal oil circuit through heat conduction via the outer shell of the disc 1, thereby cooling the oil inside the disc 1 and maintaining a suitable temperature for the oil in the hydraulic system. The appropriate viscosity reduces oil leakage, and the cooling plate 18 can be quickly installed onto the lathe surface through the pre-drilled mounting holes 110. Through the cooperation of the branch pipe 2 and the connecting plate 22, some of the cooling airflow ejected from the cooling plate 18 enters the interior of the branch pipe 2 through the connecting plate 22 and is ejected from the surface of the branch pipe 2. This airflow exchanges heat with the oil passages inside the disc body 1, increasing the contact area between the cooling airflow and the oil passages. It is worth noting that the oil passage layout inside the disc body 1 should appropriately avoid the branch pipe 2. When the disc body 1 rotates with the spindle, the branch pipe 2 also rotates with the disc body 1. The workpiece is machined, generating flying debris, which diffuses onto the surface of the branch pipe 2. When the branch pipe 2 is in a horizontal state, the two sides... The slider 32 will seal the holes on the surface of the branch pipe 2 under the tension of the spring 34. When the branch pipe 2 is tilted or vertical, the slider 32 will overcome the elastic force of the spring 34 under the action of gravity and stop sealing the holes on the surface of the branch pipe 2. This will cause the holes on the surface of the branch pipe 2 to open periodically when the disc 1 rotates, thereby reducing the possibility of debris entering the interior of the branch pipe 2 through the holes on the surface of the branch pipe 2 and reducing the amount of work required to clean the branch pipe 2. By setting the ball bearing 4, when the indexing disc 13 is pressed and indexed by the first pressing member 16 and the second pressing member 17, the rotating shaft 12 will also rotate with the indexing disc 13. The ball bearing 4 will reduce the frictional resistance between the rotating shaft 12 and the disc 1, thereby accelerating the indexing speed of the indexing disc 13 due to the pressing force.The sealing gasket 5 seals the connection between the first extruder 16, the second extruder 17, and the oil passage inside the disc 1, thereby reducing oil leakage when the first extruder 16 and the second extruder 17 slide, reducing the resistance encountered when the first extruder 16 and the second extruder 17 move, and thus accelerating the extrusion and indexing speed of the first extruder 16 and the second extruder 17 on the indexing plate 13. By setting bolts 6, when the device clamps different workpieces, the clamping plate 15, the push rod 14, and the indexing plate 13 can be quickly separated by removing bolts 6, realizing the rapid disassembly of the clamping plate 15. At the same time, by placing bolts 6 inside the clamping plate 15, the bolts 6 do not obstruct the clamping of the workpiece.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rapidly indexing chuck, comprising a chuck body (1), characterized in that: The outer side of the disc body (1) is provided with a cooling plate (18); the inner wall of the cooling plate (18) is perforated; an air inlet pipe (19) is connected to one side of the cooling plate (18); multiple mounting holes (110) are opened at the end of the cooling plate (18); a rotating shaft (12) is rotatably connected inside the disc body (1); an indexing plate (13) is fixedly connected to the bottom of the rotating shaft (12); a top rod (14) is provided at the bottom of the indexing plate (13); the top rod (14) and the disc body (1) are in sliding fit; a clamping plate (15) is provided at the opposite end of the top rod (14) and the indexing plate (13); a first extrusion member (16) and a second extrusion member (17) are slidably fitted inside the disc body (1); the ends of the first extrusion member (16) and the second extrusion member (17) are both inclined.

2. The indexing chuck capable of rapid indexing according to claim 1, characterized in that: The disc body (1) has a branch pipe (2) inside; the surface of the branch pipe (2) is porous; the two ends of the branch pipe (2) are connected to a connecting plate (22); the connecting plate (22) has a trumpet-shaped structure; the disc body (1) has symmetrical through holes on both sides, and the connecting plate (22) and the inner wall of the through hole are fixedly connected.

3. The indexing chuck capable of rapid indexing according to claim 2, characterized in that: A fixing plate (33) is fixedly connected inside the branch pipe (2); a sliding rod (3) is slidably fitted through the middle of the fixing plate (33); sliders (32) are fixedly connected to both ends of the sliding rod (3); a spring (34) is fixedly connected between the slider (32) and the fixing plate (33); the spring (34) is sleeved on the outside of the sliding rod (3).

4. The indexing chuck capable of rapid indexing according to claim 3, characterized in that: The rotating shaft (12) is externally connected to a plurality of ball bearings (4); the ball bearings (4) are arranged in a circular array.

5. The indexing chuck capable of rapid indexing according to claim 4, characterized in that: Sealing gaskets (5) are fixed to the ends of the first extruder (16) and the second extruder (17) away from the rotating shaft (12); the sealing gaskets (5) are used to fill the gap between the first extruder (16), the second extruder (17) and the disc body (1).

6. The indexing chuck capable of rapid indexing according to claim 5, characterized in that: The clamping plate (15), the top rod (14), and the indexing plate (13) are all connected by bolts (6), which are located inside the clamping plate (15).

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