Lathe clamping and positioning combined tool

Abstract

The utility model relates to the technical field of lathe clamps, and discloses a lathe clamping and positioning combined tool which comprises a tool clamping frame, two fan-shaped connecting blocks are symmetrically arranged at the end of the tool clamping frame, a right side screw hole and a left side screw hole are formed in the fan-shaped connecting blocks respectively, a first fastening bolt is inserted into the left side screw hole, and a second fastening bolt is inserted into the right side screw hole. The tool clamping frame is arranged, and the top fixing insertion block and the bottom fastening insertion block are arranged on the tool clamping frame, so that when a user needs to clamp and process an open product, an open workpiece can be clamped conveniently, a chuck of a machine tool directly uses a soft claw for clamping, repeated positioning is accurate, and the machining efficiency is improved. The repeated clamping precision of batch product machining is high, the machining efficiency is improved, the workpiece clamping time is greatly shortened, the stability is good, the rigidity of a workpiece is better when the workpiece is machined, the product quality is guaranteed, the machining speed is increased, and therefore the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe clamps, in particular to a lathe clamping and positioning combined tooling. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools. It is mainly used for cutting and processing of inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary taper angles, complex rotary inner and outer curved surfaces, and cylindrical and conical threads, and can perform grooving, drilling, reaming, reaming and boring, etc. When drilling, reaming drills, reamers, taps, dies and knurling on lathes are processed accordingly, positioning and clamping structures are needed to clamp the workpieces to be processed.

[0003] The existing fixtures for CNC lathes are mostly three-jaw or four-jaw chucks to clamp the workpiece. However, when processing and clamping some open products, due to the particularity of the open products, neither the four-jaw chuck nor the three-jaw chuck can clamp and position normally. Therefore, it is necessary to design this tooling to ensure that the workpiece is clamped firmly, positioned accurately, and processed stably. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a lathe clamping and positioning combination tooling, which solves the problem that the existing CNC lathe clamps are mostly three-jaw or four-jaw chucks for clamping the workpiece, but when processing and clamping some open products, due to the particularity of the open products, neither the four-jaw chuck nor the three-jaw chuck can clamp and position normally. Therefore, it is necessary to design this tooling to ensure that the workpiece is clamped firmly, positioned accurately, and processed stably.

[0005] The utility model provides the following technical solution: a lathe clamping and positioning combined tool, comprising a tool clamping frame, two fan-shaped connecting blocks are symmetrically arranged at the end of the tool clamping frame, a right screw hole and a left screw hole are respectively opened on the fan-shaped connecting blocks, and a first fastening bolt is inserted into the left screw hole;

[0006] A second fastening bolt is inserted into the right screw hole, a top fixing block is inserted into the sides of the two fan-shaped connecting blocks, a bottom connecting screw hole is opened at the end of the top fixing block, two limiting slots are symmetrically opened on both sides of the bottom connecting screw hole, two side screw holes are symmetrically opened on both sides of the top fixing block, a bottom fastening block is arranged below the top fixing block, a bottom screw hole is opened in the middle of the bottom fastening block, a connecting bolt is inserted in the bottom screw hole, and two limiting blocks are symmetrically arranged on both sides of the bottom screw hole.

[0007] Preferred technical solution 1: The upper and lower sides and the side edges of the tooling clamping frame are all open.

[0008] Preferred technical solution 2: The top fixed plug block consists of a top arc block and a bottom rectangular block.

[0009] Preferred technical solution three: the diameter of the side screw hole is the same as the diameter of the right screw hole and the left screw hole.

[0010] This solution enables the first fastening bolt and the second fastening bolt inserted into the right screw hole and the left screw hole to extend and be inserted into the side screw holes, so that the fan-shaped connecting block is fixedly connected to the top fixed plug block.

[0011] Preferred technical solution four: the diameter of the limiting plug is the same as the diameter of the limiting slot.

[0012] This solution enables the limiting plug block to be inserted into the limiting slot, thereby enhancing the connection stability between the top fixing plug block and the bottom fastening plug block.

[0013] Preferred technical solution five: the diameter of the bottom connecting screw hole is the same as the diameter of the bottom screw hole.

[0014] This solution enables the connecting bolt inserted into the bottom screw hole to extend and be inserted into the bottom connecting screw hole, thereby connecting and fixing the bottom fastening plug block and the top fixing plug block.

[0015] Compared with the prior art, the utility model provides a lathe clamping and positioning combined tooling, which has the following beneficial effects:

[0016] (1) The utility model is provided with a tool clamping frame, on which a top fixing block and a bottom fastening block are provided. When a user needs to clamp and process an open product, the user can insert the open workpiece into the tool clamping frame, and then fix the top fixing block and the bottom fastening block together by connecting bolts inserted thereon, and insert a first fastening bolt and a second fastening bolt between the fan-shaped connecting block and the top fixing block to connect them, so that the product inserted into the tool clamping frame can be fixed and clamped, thereby facilitating the clamping of the open workpiece, realizing direct use of soft claws for clamping of the machine tool's own chuck, and accurate repeated positioning, high repeated clamping accuracy for batch product processing, improved processing efficiency, greatly shortened the time for clamping the workpiece, and good stability, so that the workpiece has better rigidity during processing, product quality is guaranteed, and the processing rate is accelerated, thereby improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion of the structure of the utility model;

[0019] Figure 3For the utility model Figure 2 A schematic diagram of the structure of the middle top fixed plug;

[0020] Figure 4 For the utility model Figure 2 Schematic diagram of the structure of the middle bottom fastening plug.

[0021] In the figure:

[0022] 1. Tooling clamping frame; 2. Fan-shaped connecting block; 3. Right screw hole; 4. Left screw hole; 5. First fastening bolt; 6. Second fastening bolt; 7. Top fixing block; 8. Bottom connecting screw hole; 9. Limiting slot; 10. Side screw hole; 11. Bottom fastening block; 12. Bottom screw hole; 13. Connecting bolt; 14. Limiting block. DETAILED DESCRIPTION

[0023] See also Figure 1-4

[0024] Embodiment 1: A lathe clamping and positioning assembly tool comprises a tool clamping frame 1, two fan-shaped connecting blocks 2 are symmetrically arranged at the end of the tool clamping frame 1, and the fan-shaped connecting blocks 2 are respectively provided with a right screw hole 3 and a left screw hole 4, and a first fastening bolt 5 is inserted into the left screw hole 4.

[0025] A second fastening bolt 6 is inserted into the right screw hole 3, a top fixing block 7 is inserted into the sides of the two fan-shaped connecting blocks 2, a bottom connecting screw hole 8 is opened at the end of the top fixing block 7, two limiting slots 9 are symmetrically opened on both sides of the bottom connecting screw hole 8, two side screw holes 10 are symmetrically opened on both sides of the top fixing block 7, a bottom fastening block 11 is arranged below the top fixing block 7, a bottom screw hole 12 is opened in the middle of the bottom fastening block 11, a connecting bolt 13 is inserted in the bottom screw hole 12, and two limiting blocks 14 are symmetrically arranged on both sides of the bottom screw hole 12.

[0026] The upper and lower sides and the side edges of the tooling clamping frame 1 are all open.

[0027] The top fixed plug block 7 is composed of a top arc block and a bottom rectangular block.

[0028] Embodiment 2: The difference between this embodiment and embodiment 1 is that the diameter of the side screw hole 10 is the same as the diameter of the right screw hole 3 and the left screw hole 4.

[0029] The first fastening bolt 5 and the second fastening bolt 6 inserted into the right screw hole 3 and the left screw hole 4 can extend and be inserted into the side screw hole 10 , so that the fan-shaped connecting block 2 and the top fixing plug block 7 are fixedly connected.

[0030] Embodiment 3: The difference between this embodiment and embodiment 1 is that the diameter of the limiting plug 14 is the same as the diameter of the limiting slot 9 .

[0031] The limiting plug block 14 can be inserted into the limiting slot 9 to enhance the connection stability between the top fixing plug block 7 and the bottom fastening plug block 11 .

[0032] Embodiment 4: The difference between this embodiment and embodiment 1 is that the diameter of the bottom connecting screw hole 8 is the same as the diameter of the bottom screw hole 12 .

[0033] The connecting bolt 13 inserted into the bottom screw hole 12 is extended and inserted into the bottom connecting screw hole 8 to connect and fix the bottom fastening plug block 11 and the top fixing plug block 7 .

[0034] In this embodiment, since most of the existing CNC lathe fixtures are three-jaw or four-jaw chucks to clamp the workpiece, when processing and clamping some open products, due to the particularity of the open products, neither the four-jaw chuck nor the three-jaw chuck can clamp and position normally, it is necessary to design this tooling to ensure that the workpiece is clamped firmly, positioned accurately, and processed stably.

[0035] In summary, in the specific implementation, when the user needs to process and clamp the open product, the user first needs to insert one end of the open product into the tooling clamping frame 1, so that the bottom end of the tooling clamping frame 1 moves to the side of the top fixed block 7, and then, by inserting the top fixed block 7 into the middle of the two fan-shaped connecting blocks 2, the side screw hole 10 opened on the side of the top fixed block 7 is located on the same straight line as the right screw hole 3 and the left screw hole 4 opened on the fan-shaped connecting block 2.

[0036] Then, the first fastening bolt 5 and the second fastening bolt 6 are inserted into the right screw hole 3 and the left screw hole 4, so that the ends of the first fastening bolt 5 and the second fastening bolt 6 can be inserted into the side screw hole 10, thereby fixing the fan-shaped connecting block 2 and the top fixed plug-in block 7 to be connected, so that the side of the open product inserted into the tooling clamping frame 1 can be clamped.

[0037] Then, by inserting the bottom fastening block 11 into the bottom ends of the two fan-shaped connecting blocks 2, the bottom fastening block 11 is fitted with the top fixed block 7, and the limiting block 14 provided on the bottom fastening block 11 is inserted into the limiting slot 9 provided on the top fixed block 7, and then by inserting the connecting bolt 13 into the bottom screw hole 12, the end of the connecting bolt 13 extends into the bottom connecting screw hole 8, and then the top fixed block 7 is fixedly connected to the bottom fastening block 11, so as to fully and firmly clamp the open workpiece inserted into the tooling clamping frame 1.

[0038] Finally, by placing the end of the tooling clamping frame 1 composed of the top fixed plug block 7, the fan-shaped connecting block 2 and the bottom fastening plug block 11 into the lathe chuck position, the device is clamped by the lathe chuck, thereby facilitating the clamping of the open workpiece, and realizing the direct use of soft claws for clamping the machine tool's own chuck, and accurate repeated positioning, high precision of repeated clamping of batch products, improved processing efficiency, greatly shortened the time for clamping the workpiece, and good stability, so that the workpiece has better rigidity during processing, product quality is guaranteed, and the processing rate is accelerated, thereby improving processing efficiency.

Claims

1. A lathe clamping and positioning combined tooling, comprising a tooling clamping frame (1), characterized in that: Two fan-shaped connecting blocks (2) are symmetrically arranged at the end of the tooling clamping frame (1), and a right screw hole (3) and a left screw hole (4) are respectively opened on the fan-shaped connecting block (2), and a first fastening bolt (5) is inserted into the left screw hole (4); A second fastening bolt (6) is inserted into the right screw hole (3), a top fixing block (7) is inserted into the side edges of the two fan-shaped connecting blocks (2), a bottom connecting screw hole (8) is provided at the end of the top fixing block (7), two limiting slots (9) are symmetrically provided on both sides of the bottom connecting screw hole (8), two side screw holes (10) are symmetrically provided on both sides of the top fixing block (7), a bottom fastening block (11) is provided below the top fixing block (7), a bottom screw hole (12) is provided in the middle of the bottom fastening block (11), a connecting bolt (13) is inserted into the bottom screw hole (12), and two limiting blocks (14) are symmetrically provided on both sides of the bottom screw hole (12).

2. The lathe clamping and positioning combined tooling according to claim 1, characterized in that: The upper and lower sides and the side edges of the tooling clamping frame (1) are all open.

3. The lathe clamping and positioning combined tooling according to claim 2, characterized in that: The top fixed plug block (7) consists of a top circular arc block and a bottom rectangular block.

4. The lathe clamping and positioning combined tooling according to claim 3, characterized in that: The diameter of the side screw hole (10) is the same as the diameter of the right screw hole (3) and the left screw hole (4).

5. The lathe clamping and positioning combined tooling according to claim 4, characterized in that: The diameter of the limiting plug block (14) is the same as the diameter of the limiting slot (9).

6. The lathe clamping and positioning combined tooling according to claim 5, characterized in that: The diameter of the bottom connecting screw hole (8) is the same as the diameter of the bottom screw hole (12).

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