Cutter of horizontal numerical control lathe

Abstract

The utility model discloses a cutter of a horizontal numerical control lathe, which relates to the technical field of numerical control lathes and particularly comprises a fixing rod, one end of the fixing rod is movably connected with a connecting rod, the connecting rod is connected with the fixing rod through an extrusion structure, and the other end of the connecting rod is fixedly connected with a cutter bar. The two ends of the cutter bar are connected with cutter heads through bolts, the two ends of the cutter bar are provided with limiting structures matched with the bolts, the middle of the connecting rod is movably connected with a cooling pipe, the other end of the cooling pipe is fixedly connected with the fixing rod, and heat exchange pipes are fixed in inner cavities in the two ends of the cutter bar. According to the tool of the horizontal numerical control lathe, through the arrangement of the extrusion structures, the positions of the tool bits at the two ends of the tool can be rapidly changed, the tool bits do not need to be frequently disassembled and assembled, and the use convenience of the tool is improved; and through the arrangement of the limiting structure, the limiting structure can limit the bolt, so that the bolt is prevented from loosening when the tool is used, and the fixing reliability of the tool bit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled lathes, in particular to a tool for a horizontal numerically controlled lathe. Background Art

[0002] As a high-precision automated lathe, horizontal CNC lathes have been widely used in mechanical production. CNC tools are tools used for cutting in horizontal CNC lathes and are very important components in the entire operation. Some solutions for CNC lathe tools are disclosed in the prior art, such as the solutions disclosed in the authorized patent documents with application numbers CN202220875354.0 or CN202220010239.7. The tool in the above solution has only one cutter head. When processing different processes of the workpiece, the corresponding cutter head needs to be replaced, so that the cutter head needs to be repeatedly disassembled and assembled, which is inconvenient to use. In addition, when the tool in the above solution is used, the processing parts of the tool and the workpiece are cooled from the outside, and there is a dead corner for cooling. Based on this, the present application proposes a tool for a horizontal CNC lathe. Utility Model Content

[0003] The utility model provides a tool for a horizontal CNC lathe, which solves the problem that the tool proposed in the above background technology has only one tool head, and when processing multi-step workpieces, the tool head needs to be frequently disassembled and assembled, which is inconvenient to use, and the processing parts of the tool and the workpiece are cooled from the outside, which is prone to the problem of dead corners for cooling.

[0004] The utility model provides the following technical solutions: a tool for a horizontal CNC lathe, comprising a fixing rod, one end of the fixing rod is movably connected to a connecting rod, the connecting rod and the fixing rod are connected by an extrusion structure, the other end of the connecting rod is fixedly connected to a tool rod, both ends of the tool rod are connected to a tool head by bolts, both ends of the tool rod are provided with limiting structures adapted to the bolts, the middle part of the connecting rod is movably connected to a cooling tube, the other end of the cooling tube is fixedly connected to the fixing rod, heat exchange tubes are fixed in the inner cavities at both ends of the tool rod, one end of the heat exchange tube is in contact with the cooling tube, and a liquid inlet hole is provided on the side of the heat exchange tube in contact with the cooling tube, a fluid discharge hole is provided on one side of the cooling tube, the fluid discharge hole overlaps with a liquid inlet hole, the other end of the heat exchange tube is connected to a spray ring, and the spray ring is fixedly connected to the end of the tool rod;

[0005] The limiting structure includes a swivel ring movably connected to the tool rod, a gear meshing with the swivel ring, a ball screw fixedly connected to the middle part of the gear, a threaded sleeve threadedly connected to the ball screw and a limiting plate fixedly connected to the bottom of the threaded sleeve, the outer ring of the bolt is provided with a limiting groove adapted to the limiting plate, and the gear is movably connected to the tool rod; the extrusion structure includes an extrusion plate connected to the fixing rod by a spring and a handle fixed to the extrusion plate, and both sides of the connecting rod are provided with extrusion grooves adapted to the extrusion plate.

[0006] Preferably, spray rings are fixed to both ends of the tool rod, the tool head is located in the inner cavity of the spray ring, and chip guard plates are fixed to the outer rings at both ends of the tool rod.

[0007] Preferably, a gear ring is fixedly connected to the inner wall of the rotating ring, the rotating ring and the gear ring are movably connected to the knife rod, and the gear ring is meshed with the gear.

[0008] Preferably, both ends of the tool rod are provided with bolt holes adapted to the bolts, the top of the inner cavity of the bolt hole is provided with a groove, and the ball screw, threaded sleeve and limit plate are all movably connected to the inner cavity of the groove.

[0009] Preferably, the outer surfaces of the extrusion plate and the limiting plate are both wrapped with buffer pads.

[0010] Preferably, the connecting rod is located in the middle of the knife rod, and the connecting rod is magnetically connected to the handle.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The tool of the horizontal CNC lathe can cool down both inside and outside by setting the cooling tube and the heat exchange tube, thereby improving the cooling speed of the tool. The cooling fluid is sprayed to the tool head and the workpiece processing part through the spray ring, thereby avoiding the cooling dead corner. At the same time, the workpiece processing debris can be sprayed or broken, thereby avoiding the processing debris from being entangled on the tool, thereby facilitating the cleaning of the tool.

[0013] 2. The tool of the horizontal CNC lathe can realize quick replacement of the tool head positions at both ends of the tool through the setting of the extrusion structure, and the tool head does not need to be frequently disassembled and assembled, thereby improving the convenience of using the tool; through the setting of the limiting structure, the limiting structure can limit the bolt to avoid loosening of the bolt when the tool is used, thereby improving the reliability of the tool head fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of the structure of the utility model;

[0015] Figure 2 The utility model structure Figure 1 Back diagram;

[0016] Figure 3 The utility model structure Figure 2 Explosion diagram;

[0017] Figure 4 This is a cross-sectional schematic diagram of the tool bar structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the connection between the cooling tube and the heat exchange tube of the utility model structure;

[0019] Figure 6 This is a schematic diagram of the connection between the heat exchange tube and the spray ring of the utility model structure.

[0020] In the figure: 1. fixing rod; 2. connecting rod; 3. knife rod; 4. handle; 5. bolt; 6. swivel; 7. knife head; 8. spray ring; 9. chip guard plate; 10. cooling tube; 11. extrusion groove; 12. spring; 13. extrusion plate; 14. fluid discharge hole; 15. heat exchange tube; 16. gear ring; 17. gear; 18. ball screw; 19. threaded sleeve; 20. limit plate; 21. limit groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a tool for a horizontal CNC lathe, comprising a fixed rod 1, one end of the fixed rod 1 is movably connected with a connecting rod 2, one end of the fixed rod 1 is provided with an extrusion structure, by means of which the connecting rod 2 and the fixed rod 1 can be fixed together, the extrusion structure comprising an extrusion plate 13 movably connected to an inner cavity at one end of the fixed rod 1, a spring 12 is fixedly connected to the top of the extrusion plate 13, the other end of the spring 12 is fixedly connected to the fixed rod 1, a handle 4 is fixed to the middle part of the top of the extrusion plate 13, the other end of the handle 4 is located outside the fixed rod 1, through the setting of the handle 4, under the action of an external force, the position of the extrusion plate 13 can be changed, and when the restriction on the handle 4 is released, the extrusion plate 13 can be reset under the action of the rebound force of the spring 12. The above-mentioned connecting rod 2 is provided with an extrusion groove 11 on both sides, and the extrusion groove 11 and the extrusion plate 13 are reset. Under the action of the rebound force of the spring 12, the extrusion plate 13 can be inserted into the extrusion groove 11 to limit the connecting rod 2, so that the connecting rod 2 and the fixed rod 1 can be in a fixed state, which is convenient for the fixed rod 1 to drive the connecting rod 2 to move.

[0023] The outer surface of the extrusion plate 13 is wrapped with a buffer pad. The buffer pad can reduce the impact force when the extrusion plate 13 contacts the connecting rod 2. The material of the buffer pad can be metal iron. The handle 4 is in a magnetic connection with the connecting rod 2. Such a setting can further improve the stability of the extrusion plate 13 and facilitate the extrusion structure to fix the connecting rod 2. In some embodiments of the present application, a permanent magnet is fixed on the side of the handle 4 close to the connecting rod 2, and the material of the connecting rod 2 is metal iron.

[0024] A knife rod 3 is fixed to one end of the connecting rod 2 away from the fixed rod 1, and the connecting rod 2 is located in the middle of the knife rod 3. A cooling tube 10 is movably connected to the middle of the connecting rod 2. The cooling tube 10 is in a fixed connection with the fixed rod 1 at one end away from the connecting rod 2. Heat exchange tubes 15 are fixed to both ends of the knife rod 3. A fluid discharge hole 14 is provided on one side of the other end of the cooling tube 10. One end of the heat exchange tube 15 contacts the cooling tube 10. A liquid inlet is provided on the side of the heat exchange tube 15 contacting the cooling tube 10. When the tool is in use, the liquid inlet and the fluid discharge hole 14 on the heat exchange tube 15 on the side away from the fixed rod 1 are in an overlapping state. With this arrangement, the fluid for cooling the tool passes through the cooling tube 10. , the fluid discharge hole 14 and the liquid inlet hole overlapping with the fluid discharge hole 14 can enter the heat exchange tube 15. The fluid can cool the tool during the flow in the heat exchange tube 15. A shunt pipe is evenly fixed to the other end of the heat exchange tube 15. The other end of the shunt pipe is fixed to the spray ring 8. The spray ring 8 is fixedly connected to the end of the tool rod 3. The fluid flowing in the heat exchange tube 15 can enter the inner cavity of the spray ring 8 through the shunt pipe. The side of the spray ring 8 away from the tool rod 3 is evenly provided with spray holes. The cooling fluid can be sprayed out through the spray holes. The sprayed cooling fluid can cool the tool head and the processing part of the workpiece, and can blow away the debris generated in the cutting process to prevent the debris from being entangled on the tool.

[0025] From the above description of the heat exchange tube 15 and the cooling tube 10, it can be seen that when the tool rod 3 rotates, the heat exchange tube 15 in contact with the fluid discharge hole 14 changes, so that the cooling fluid can cool the working end of the tool, and the tool adopts a method of cooling both inside and outside at the same time to improve the cooling efficiency of the tool.

[0026] Both ends of the tool rod 3 are connected to the tool head 7 by bolts 5. The tool head 7 is located in the middle of the inner cavity of the spray ring 8. When the tool is in use, the tool head 7 can be quickly replaced by pulling the handle 4 and rotating the tool rod 3, thereby improving the efficiency of replacing the tool head 7. The staff can disassemble and assemble the tool head 7 by screwing the bolts 5, which is convenient for the use of the tool.

[0027] The end of the shank 3 is provided with a knife groove adapted to the cutter head 7, and the knife groove is used to limit the cutter head 7 to prevent the cutter head 7 from shifting. Bolt holes adapted to the bolts 5 are provided at both ends of the shank 3, and a groove is provided at the top of the inner cavity of the bolt hole, and a ball screw 18, a threaded sleeve 19 and a limit plate 20 are provided in the inner cavity of the groove. A gear 17 is fixed to the top of the ball screw 18, and the gear 17 is in a state of active connection with the shank 3. The outer ring of the ball screw 18 is threadedly connected with a threaded sleeve 19, and the threaded sleeve 19 is fixedly connected to the top of the limit plate 20. Through the setting of the ball screw 18, the rotation of the ball screw 18 causes the threaded sleeve 19 threadedly connected thereto to move in the direction where the ball screw 18 is located. When the threaded sleeve 19 moves, it can drive the limit plate 20 to move, and the limit plate 20 can move into the inner cavity of the bolt hole.

[0028] One end of the bolt 5 is provided with a limiting groove 21 adapted to the limiting plate 20. When the cutter head 7 is fixed to the cutter rod 3 by means of the bolt 5, the limiting groove 21 is located below the limiting plate 20. When the ball screw 18 rotates, the limiting plate 20 can be inserted into the limiting groove 21. At this time, the limiting plate 20 can limit the bolt 5 to prevent the bolt 5 from loosening during the use of the tool, thereby ensuring the reliability of the fixation of the cutter head 7.

[0029] The outer rings at both ends of the knife rod 3 are movably connected with a swivel 6, and a gear ring 16 is fixed to the inner wall of the swivel 6. The gear ring 16 is movably connected to the knife rod 3, and the gear ring 16 is meshed with the gear 17. Through the setting of the swivel 6, the user can drive the gear 17 to rotate through the swivel 6, and then drive the ball screw 18 to rotate.

[0030] The above-mentioned rotating ring 6, gear ring 16, gear 17, ball screw 18, threaded sleeve 19 and limit plate 20 constitute a limit structure for limiting the bolt 5. By setting the limit structure, the bolt 5 can be prevented from loosening and the accuracy of workpiece processing can be guaranteed. The outer surface of the limit plate 20 is wrapped with a buffer pad to reduce the impact force between the limit plate 20 and the bolt 5.

[0031] The outer rings at both ends of the tool rod 3 are fixed with chip guard plates 9. Through the setting of the chip guard plates 9, the chip guard plates 9 can intercept the chips generated by processing to prevent the chips from being entangled on the tool rod 3, thereby facilitating the cleaning of the tool.

[0032] To sum up: when the tool of the horizontal CNC lathe is in use, the staff fixes the fixed rod 1 on the horizontal CNC lathe. The horizontal CNC lathe can drive the cutter head 7 to move through the fixed rod 1 to realize the processing of the workpiece. When the horizontal CNC lathe uses the tool to process the workpiece, the cooling fluid for cooling the tool and the processing part of the workpiece is injected into the heat exchange tube 15 adapted to the working cutter head 7 through the cooling tube 10. The cooling fluid in the heat exchange tube 15 is sprayed onto the cutter head 7 and the processing part of the workpiece through the spray ring 8 connected thereto, thereby achieving the purpose of cooling the cutter head and the processing part of the workpiece. The cooling fluid can cool the tool rod 3 during the flow in the heat exchange tube 15. The sprayed cooling fluid can disperse or break the workpiece processing debris to avoid the debris from being entangled on the tool rod 3, which is convenient for cleaning the tool rod 3. When the cutter head 7 needs to be replaced, the user pulls the handle 4 outward, and the handle 4 drives the extrusion plate 13 to move upward until the extrusion plate 13 is separated from the connecting rod 2. The staff rotates the connecting rod 2, and the cutter heads 7 at both ends of the tool can be replaced. After the cutter head 7 is replaced, the staff releases the restriction on the handle 4, and under the action of the rebound force of the spring 12, the extrusion plate 13 can be inserted into the extrusion groove 11 to fix the connecting rod 2. The tool can continue to process the workpiece. If the cutter head 7 needs to be replaced, the staff rotates the swivel 6, releases the restriction on the bolt 5, and then tightens the bolt 5 to release the restriction of the bolt 5 on the cutter head 7, and the cutter head 7 can be replaced.

[0033] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A tool for a horizontal CNC lathe, comprising a fixing rod (1), characterized in that: One end of the fixed rod (1) is movably connected to a connecting rod (2), the connecting rod (2) and the fixed rod (1) are connected via an extrusion structure, the other end of the connecting rod (2) is fixedly connected to a knife rod (3), both ends of the knife rod (3) are connected to a knife head (7) via bolts (5), both ends of the knife rod (3) are provided with a limiting structure adapted to the bolts (5), the middle part of the connecting rod (2) is movably connected to a cooling tube (10), the other end of the cooling tube (10) is connected to the fixed rod (1) The heat exchange tube (15) is fixedly connected, and the inner cavities at both ends of the knife rod (3) are fixedly provided with heat exchange tubes (15), one end of the heat exchange tube (15) is in contact with the cooling tube (10), and the side of the heat exchange tube (15) in contact with the cooling tube (10) is provided with a liquid inlet hole, and one side of the cooling tube (10) is provided with a fluid discharge hole (14), and the fluid discharge hole (14) overlaps with a liquid inlet hole, and the other end of the heat exchange tube (15) is connected to the spray ring (8), and the spray ring (8) is fixedly connected to the end of the knife rod (3); The limiting structure comprises a rotating ring (6) movably connected to the knife rod (3), a gear (17) meshing with the rotating ring (6), a ball screw (18) fixedly connected to the middle of the gear (17), a threaded sleeve (19) threadedly connected to the ball screw (18) and a limiting plate (20) fixedly connected to the bottom of the threaded sleeve (19); the outer ring of the bolt (5) is provided with a limiting groove (21) adapted to the limiting plate (20); the gear (17) is movably connected to the knife rod (3); the extrusion structure comprises an extrusion plate (13) connected to the fixed rod (1) via a spring (12) and a handle (4) fixed to the extrusion plate (13); both sides of the connecting rod (2) are provided with extrusion grooves (11) adapted to the extrusion plate (13).

2. The tool for a horizontal CNC lathe according to claim 1, characterized in that: Spray rings (8) are fixed to both ends of the tool rod (3), the tool head (7) is located in the inner cavity of the spray ring (8), and chip guard plates (9) are fixed to the outer rings of both ends of the tool rod (3).

3. The tool for a horizontal CNC lathe according to claim 1, characterized in that: The inner wall of the rotating ring (6) is fixedly connected with a gear ring (16), the rotating ring (6) and the gear ring (16) are both movably connected to the knife rod (3), and the gear ring (16) is meshed with a gear (17).

4. The tool for a horizontal CNC lathe according to claim 1, characterized in that: Both ends of the knife rod (3) are provided with bolt holes adapted to the bolts (5), the top of the inner cavity of the bolt hole is provided with a groove, and the ball screw (18), the threaded sleeve (19) and the limit plate (20) are all movably connected to the inner cavity of the groove.

5. The tool for a horizontal CNC lathe according to claim 1, characterized in that: The outer surfaces of the extrusion plate (13) and the limiting plate (20) are both wrapped with buffer pads.

6. The tool for a horizontal CNC lathe according to claim 1, characterized in that: The connecting rod (2) is located in the middle of the knife rod (3), and the connecting rod (2) is magnetically connected to the handle (4).

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