Machine clamping numerical control plate pressing turning tool

Abstract

The utility model discloses a machine clamping numerical control plate pressing turning tool which comprises a turning tool rod, the turning tool rod comprises a tool rod body and a tool rod head, the turning tool rod, a tool pad, a blade, a tool groove and a positioning pin piece are used in cooperation, the turning tool rod can accurately control the position of the turning tool in the numerical control machining process, and the cutting performance of the turning tool is guaranteed. The positioning pin piece can ensure that the position of the turning tool is accurate and stable, the problems of workpiece deformation, deviation, clearance and the like caused by machining errors are avoided, the machining accuracy and consistency are ensured, the tool pad can reduce friction between the turning tool and the workpiece and reduce cutting force, and therefore impact and abrasion borne by the turning tool are reduced, and the machining quality and efficiency are improved. The service life of the turning tool is prolonged, the pressing plate screw can generate enough clamping force, it is ensured that the blade is kept stable in the cutting process, the stable clamping force is beneficial for preventing the blade from loosening or vibrating in the cutting process, and therefore the machining precision and the workpiece quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of turning equipment, in particular to a machine-clamped numerically controlled pressure plate turning tool. Background Art

[0002] With the rapid development of modern manufacturing industry, CNC machining technology has been widely used in the precision machining of various metal and non-metal materials. Among them, turning, as one of the core processes of CNC machining, plays a vital role in ensuring the quality of machined parts, improving machining efficiency and reducing production costs. Turning tools, as an efficient, stable and high-precision cutting tool, have gradually attracted widespread attention and favor in the industry. Traditional turning tools usually adopt an integral or welded structure. Turning tools with this structure have problems such as cumbersome tool replacement and difficult to ensure cutting accuracy during the machining process.

[0003] For example, the machine-clamped CNC pressure plate turning tool (announcement number: CN203599554U). The utility model is composed of a blade, a tool shim screw, a tool shim, a pressure plate screw, a pressure plate, a spring, a turning tool body, a tool shim groove, a blade groove, and a pressure plate fixing groove. The turning tool body is provided with a tool shim groove, a blade groove, and a pressure plate fixing groove. The tool shim is fixed to the tool shim groove by a tool shim screw. The tool shim screw and the tool shim are pre-tightened by the concave and convex surfaces to generate force inside the tool body. The pressure plate is fixed to the turning tool body by the pressure plate screw, a spring, and a pressure plate fixing groove. The spring generates upward tension to ensure that the tail end of the pressure plate is fixed on the tool body. The blade is fixed in the blade groove by the downward and inward force generated by the pressure plate. The utility model is easy to disassemble, has high machining precision, and improves work efficiency.

[0004] But the device still has the following defects:

[0005] When the device is in use, the pressure plate lacks a limiting mechanism when clamping the blade, and the clamping force may be uneven. If the clamping force is uneven, the blade will vibrate and deviate during the cutting process, affecting the processing accuracy and tool life. Therefore, we need to propose a machine-clamped CNC pressure plate turning tool. Utility Model Content

[0006] The purpose of the utility model is to provide a machine-clamped CNC pressure plate turning tool, aiming to solve the problem that the pressure plate in the prior art lacks a limiting mechanism when clamping the blade, and there may be a situation where the clamping force is not uniform. If the clamping force is uneven, it will cause the blade to vibrate and deviate during the cutting process, affecting the processing accuracy and tool life.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A machine-clamped CNC platen turning tool, comprising a turning tool rod, the turning tool rod comprising a tool rod body and a tool rod head, a tool pad and a blade are arranged inside the tool rod head, the blade is located on the top of the tool pad, a tool groove adapted to the tool pad and the blade is opened on the top of the tool rod head, the tool pad and the blade are both located inside the tool groove;

[0009] It also includes a positioning pin, and the knife pad and the blade are fixed inside the knife groove through the positioning pin. A pressure plate is arranged on the top of the blade, and the pressure plate is fixed to the top of the knife rod head through a pressure plate screw bolt.

[0010] Preferably, an external thread is provided on the outer wall of the positioning pin, an internal thread matching the external thread is provided on the inner bottom of the knife groove, and the bottom end of the positioning pin is threadedly connected to the inside of the internal thread.

[0011] Preferably, a first through hole matched with the positioning pin is formed on the blade, and the positioning pin is inserted into the inside of the first through hole.

[0012] Preferably, a conical protrusion is fixedly sleeved on the outer wall of the positioning pin, a second through hole matched with the conical protrusion is opened on the knife pad, and the conical protrusion is inserted into the inside of the second through hole.

[0013] Preferably, the positioning pin is made of a cemented carbide material, and a hexagonal blind hole is formed on the top of the positioning pin.

[0014] Preferably, a pressure plate groove matched with the pressure plate is formed on the top of the knife rod head, the pressure plate groove is communicated with the inside of the knife groove, and the pressure plate is inserted into the inside of the pressure plate groove.

[0015] Preferably, a positioning rod is fixedly connected to the bottom of the pressure plate, a positioning hole matched with the positioning rod is formed on the top of the blade, and the bottom end of the positioning rod is inserted into the interior of the positioning hole.

[0016] Preferably, two groups of mounting grooves are respectively formed on the side walls of both sides of the blade shaft body, and two groups of mounting holes are respectively formed on the inner walls of the four groups of mounting grooves.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a turning tool rod, a tool pad, a blade, a tool groove and a positioning pin for coordinated use. The turning tool rod can accurately control the position of the turning tool during CNC machining to ensure the cutting performance of the turning tool, thereby improving the machining quality and efficiency. The positioning pin can ensure that the position of the turning tool is accurate and stable, avoid problems such as workpiece deformation, deviation and virtual position caused by machining errors, and ensure the accuracy and consistency of machining. The tool pad can reduce the friction between the turning tool and the workpiece and reduce the cutting force, thereby reducing the impact and wear on the turning tool and extending the life of the turning tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the shaft side of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the tool bar head, tool pad and blade of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the positioning pin of the utility model.

[0023] In the figure: 1, turning tool rod; 101, tool rod body; 102, tool rod head; 2, mounting hole; 3, tool pad; 4, blade; 5, tool groove; 6, positioning pin; 7, pressure plate; 8, pressure plate screw; 9, external thread; 10, internal thread; 11, first through hole; 12, conical bump; 13, second through hole; 14, hexagonal blind hole; 15, pressure plate groove; 16, positioning rod; 17, positioning socket; 18, mounting groove. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 , the utility model provides a technical solution:

[0026] A machine-clamped CNC pressure plate turning tool comprises a turning tool rod 1, wherein the turning tool rod 1 comprises a tool rod body 101 and a tool rod head 102, wherein a tool pad 3 and a blade 4 are arranged inside the tool rod head 102, wherein the blade 4 is located on the top of the tool pad 3, and a tool groove 5 adapted to the tool pad 3 and the blade 4 is opened on the top of the tool rod head 102, wherein the tool pad 3 and the blade 4 are both located inside the tool groove 5.

[0027] By setting the tool bar 1, tool pad 3, blade 4, tool groove 5 and positioning pin 6 for coordinated use, the tool bar 1 can accurately control the position of the tool during CNC machining, ensure the cutting performance of the tool, and thus improve machining quality and efficiency.

[0028] The positioning pin 6 can ensure the accurate and stable position of the turning tool, avoid the deformation, deviation and virtual position of the workpiece caused by the processing error, and ensure the accuracy and consistency of the processing. The tool pad 3 can reduce the friction between the turning tool and the workpiece, reduce the cutting force, thereby reducing the impact and wear of the turning tool and extending the life of the turning tool;

[0029] It also includes a positioning pin 6, through which the knife pad 3 and the blade 4 are fixed to the inside of the knife groove 5, and a pressure plate 7 is provided on the top of the blade 4, and the pressure plate 7 is bolted and fixed to the top of the tool rod head 102 by a pressure plate screw 8.

[0030] By setting the pressure plate 7 and the pressure plate screw 8 for use together, the pressure plate screw 8 can generate sufficient clamping force to ensure that the blade 4 remains stable during the cutting process. This stable clamping force helps prevent the blade 4 from loosening or vibrating during the cutting process, thereby improving processing accuracy and workpiece quality.

[0031] By loosening the pressure plate screw 8, the blade 4 can be easily removed from the blade groove 5, and then a new blade 4 can be installed and the pressure plate screw 8 can be tightened to complete the replacement. This convenient replacement method helps to improve production efficiency;

[0032] An external thread 9 is provided on the outer wall of the positioning pin 6, and an internal thread 10 matching the external thread 9 is provided on the inner bottom of the knife groove 5. The bottom end of the positioning pin 6 is threadedly connected to the inside of the internal thread 10. By setting the external thread 9 and the internal thread 10 for use in combination, the knife pad 3 and the blade 4 can be installed and positioned through the positioning pin 6;

[0033] The blade 4 is provided with a first through hole 11 adapted to the positioning pin 6, the positioning pin 6 is inserted into the first through hole 11, a conical protrusion 12 is fixedly sleeved on the outer wall of the positioning pin 6, and the knife pad 3 is provided with a second through hole 13 adapted to the conical protrusion 12, the conical protrusion 12 is inserted into the second through hole 13, and the conical protrusion 12 is provided to press and position the knife pad 3;

[0034] The positioning pin 6 is made of cemented carbide material, and a hexagonal blind hole 14 is opened on the top of the positioning pin 6. The blade 4 is a key part of the machine clamp CNC plate turning tool and is directly involved in the cutting process. The blade 4 is usually made of wear-resistant and heat-resistant materials, such as cemented carbide. The shape and angle design of the blade 4 are carried out according to the processing requirements to adapt to different cutting conditions.

[0035] A pressure plate groove 15 adapted to the pressure plate 7 is provided on the top of the tool bar head 102, the pressure plate groove 15 is communicated with the inside of the knife groove 5, the pressure plate 7 is plugged into the inside of the pressure plate groove 15, the tool bar body 101 and the tool bar head 102 are usually made of high-strength and high-hardness materials, such as high-speed steel, cemented carbide, etc., by setting the pressure plate groove 15 and the knife groove 5, the knife groove 5 can remove chips and coolant, reduce problems such as chip breakage and blade overheating caused by cutting, further protect the blade 4, and extend its service life;

[0036] The bottom of the pressing plate 7 is fixedly connected with a positioning rod 16, and the top of the blade 4 is provided with a positioning hole 17 adapted to the positioning rod 16, and the bottom end of the positioning rod 16 is inserted into the inside of the positioning hole 17. By setting the positioning rod 16 and the positioning hole 17 for use in coordination, the pressing plate 7 is limited, and the position of the blade 4 on the pressing plate 7 can be ensured to be fixed and accurate, which helps to maintain the stability of the blade 4 during the cutting process and improve the processing accuracy. The quick docking of the positioning rod 16 and the positioning hole 17 can simplify the installation process of the blade 4 and reduce the installation time. At the same time, due to the accurate positioning, the time for adjusting the position of the blade 4 is also reduced, thereby improving the work efficiency.

[0037] Two groups of mounting grooves 18 are respectively provided on the side walls of the tool shaft body 101, and two groups of mounting holes 2 are respectively provided on the inner walls of the four groups of mounting grooves 18. The mounting grooves 18 and the mounting holes 2 are used in conjunction with each other to enable the tool shaft body 101 to be connected to a fixture or chuck on a machine tool.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine-clamped CNC pressure plate turning tool, characterized in that: include: A turning tool rod (1), the turning tool rod (1) comprising a tool rod body (101) and a tool rod head (102); A knife pad (3) and a blade (4) are arranged inside the knife bar head (102), wherein the blade (4) is located on top of the knife pad (3); A knife groove (5) adapted to the knife pad (3) and the blade (4) is provided on the top of the knife bar head (102), wherein the knife pad (3) and the blade (4) are both located inside the knife groove (5); It also includes a positioning pin (6), the knife pad (3) and the blade (4) are fixed to the inside of the knife groove (5) through the positioning pin (6), and a pressure plate (7) is provided on the top of the blade (4), and the pressure plate (7) is bolted and fixed to the top of the knife rod head (102) through a pressure plate screw (8).

2. The machine-clamped CNC platen turning tool according to claim 1, characterized in that: An external thread (9) is formed on the outer wall of the positioning pin (6), an internal thread (10) matching the external thread (9) is formed on the inner bottom of the knife groove (5), and the bottom end of the positioning pin (6) is threadedly connected to the inside of the internal thread (10).

3. The machine-clamped CNC platen turning tool according to claim 1, characterized in that: The blade (4) is provided with a first through hole (11) adapted to the positioning pin (6), and the positioning pin (6) is inserted into the interior of the first through hole (11).

4. The machine-clamped CNC platen turning tool according to claim 1, characterized in that: A conical protrusion (12) is fixedly sleeved on the outer wall of the positioning pin (6), a second through hole (13) adapted to the conical protrusion (12) is opened on the knife pad (3), and the conical protrusion (12) is inserted into the interior of the second through hole (13).

5. The machine-clamped CNC pressure plate turning tool according to claim 1, characterized in that: The positioning pin (6) is made of a hard alloy material, and a hexagonal blind hole (14) is provided on the top of the positioning pin (6).

6. The machine-clamped CNC platen turning tool according to claim 1, characterized in that: A pressure plate groove (15) adapted to the pressure plate (7) is provided on the top of the knife rod head (102); the pressure plate groove (15) is communicated with the interior of the knife groove (5); and the pressure plate (7) is inserted into the interior of the pressure plate groove (15).

7. The machine-clamped CNC platen turning tool according to claim 1, characterized in that: A positioning rod (16) is fixedly connected to the bottom of the pressure plate (7), a positioning hole (17) adapted to the positioning rod (16) is formed on the top of the blade (4), and the bottom end of the positioning rod (16) is inserted into the interior of the positioning hole (17).

8. The machine-clamped CNC pressure plate turning tool according to claim 1, characterized in that: Two groups of mounting grooves (18) are respectively formed on the side walls of the blade shaft (101), and two groups of mounting holes (2) are respectively formed on the inner walls of the four groups of mounting grooves (18).

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