A CNC vertical lathe anti-collision tool auxiliary contact device

Abstract

The utility model discloses an auxiliary contact device for preventing the tool from collision with a numerically controlled vertical lathe, which belongs to the field of tool rests for lathes. The auxiliary contact device for preventing the tool from collision with a numerically controlled vertical lathe directly connects one side of the connection between the tool and the tool rest through a locking screw and an insulating contact piece one, and connects the other side through an insulating contact piece two, a supporting spring and an adjusting screw, so that the other side of the connection part of the tool presents a form of soft connection, has a certain amount of redundant space for extrusion avoidance, reduces the phenomenon of damaging the tool due to collision caused by hard connection, and fixedly installs signal lines on the tool rest and the side wall of the tool through wiring terminals and screws, so that the two signal lines can be connected to a control module of the machine tool. When a collision occurs, the tool deflects inside a clamping groove, the outer wall of the tool contacts the inner wall of the clamping groove, and the signal transmission paths of the two signal lines are connected, so that the control module is convenient to quickly execute a shutdown command, prevents the tool from breaking when the tool rest continues to feed, and improves the safety of use.

Description

Technical Field

[0001] The utility model relates to the field of lathe tool rests, and more specifically to an anti-collision tool auxiliary contact device for a numerically controlled vertical lathe. 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 cone angles, complex rotary inner and outer curved surfaces, and cylindrical and conical threads, and can also perform grooving, drilling, reaming, reaming and boring, etc. CNC vertical lathe is also a type of CNC lathe.

[0003] During the CNC vertical lathe processing through the contact between the tool and the workpiece, if the feed amount of the tool is controlled to be too large, the tool and the workpiece will easily contact and collide with each other. The existing tool holders for installing the tool are mostly installed with the tool in a hard connection manner, and the contact part lacks the corresponding avoidance redundant structure, which increases the probability of the tool and the workpiece colliding with each other. Therefore, we proposed a CNC vertical lathe anti-collision tool auxiliary contact device to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an auxiliary contact device for anti-collision tool of a CNC vertical lathe, which directly connects one side of the connection between the tool and the tool holder through a locking screw and an insulating contact piece 1, and connects the other side through an insulating contact piece 2, a supporting spring and an adjusting knob, so that the other side of the tool connection part is in the form of a soft connection, with a certain amount of redundant space for extrusion avoidance, reducing the phenomenon of tool collision and damage to the tool caused by hard connection, and signal lines are fixedly installed on the tool holder and the side wall of the tool through wiring terminals and screws, so that the two signal lines can be connected to the control module of the machine tool. When a tool collision occurs, the tool deflects inside the clamping groove, the outer wall of the tool contacts the inner wall of the clamping groove, and the signal transmission path of the two signal lines is connected, thereby facilitating the control module to quickly execute the shutdown command, preventing the tool from breaking when the tool holder continues to feed, and improving the safety of use.

[0006] 2. Technical solution

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A CNC vertical lathe anti-collision tool auxiliary contact device comprises a tool holder and a tool, wherein the side of the tool holder is in a U-shaped structure, and a clamping groove is transversely opened on the top of the tool holder, and the tool is arranged inside the clamping groove, and a plurality of threaded holes are equidistantly opened on one side of the tool holder, and the interiors of the plurality of threaded holes are all connected with the interior of the clamping groove, and the interiors of the plurality of threaded holes are all threadedly connected with locking screws, and the ends of the locking screws are all fixedly connected with an insulating contact piece 1, and the end of the locking screw contacts the side wall of the tool through the insulating contact piece 1;

[0009] A set of torque adjustment channels is opened on the other side of the tool holder, the interior of the torque adjustment channel is connected with the interior of the clamping groove, and the interior of the torque adjustment channel is provided with an insulating contact piece 2, a support spring and an adjustment knob, and signal lines are fixedly installed on the tool holder and the side wall of the tool through wiring terminals and screws.

[0010] Furthermore, the torque adjustment channel includes a telescopic hole section close to one side of the clamping groove and an internal threaded hole section close to the outer side of the tool holder, and the screw section on the adjustment screw handle is threadedly connected to the inner part of the internal threaded hole section.

[0011] Furthermore, the insulating contact piece 2 includes a contact section and a sliding section, the contact section extends to the inside of the clamping groove through the telescopic hole section, and the end of the contact section contacts the other side of the tool side wall, the outer edge of the sliding section is slidably connected to the inside of the internal threaded hole section, and the two ends of the support spring are respectively in contact with the side wall of the sliding section and the end of the screw section on the adjusting handle.

[0012] Furthermore, an insulating gasket is fixedly adhered to the bottom of the clamping groove, and the top of the insulating gasket is in contact with the bottom of the tool.

[0013] Furthermore, a mounting threaded hole is provided on one side of the outer wall of the tool holder, and a mounting screw is threadedly connected inside the mounting threaded hole, and a fastening nut and a washer are fixedly installed on the outer side of the mounting screw.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] In this solution, one side of the connection between the tool and the tool holder is directly connected by a locking screw and an insulating contact piece 1, and the other side is connected by an insulating contact piece 2, a supporting spring and an adjusting knob, so that the other side of the tool connection part is in the form of a soft connection, with a certain amount of redundant space for extrusion avoidance, thereby reducing the phenomenon of tool collision and damage to the tool caused by hard connection, and signal lines are fixedly installed on the tool holder and the side wall of the tool through wiring terminals and screws, so that the two signal lines can be connected to the control module of the machine tool. When a tool collision occurs, the tool deflects inside the clamping groove, and the outer wall of the tool contacts the inner wall of the clamping groove, connecting the signal transmission path of the two signal lines, thereby facilitating the control module to quickly execute the shutdown command, preventing the tool from breaking when the tool holder continues to feed, and improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the second insulating contact piece of the utility model;

[0020] Figure 4 It is a structural schematic diagram of an insulating contact piece of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Tool holder; 2. Tool; 3. Clamping groove; 4. Threaded hole; 5. Locking screw; 6. Insulating contact piece 1; 7. Torque adjustment channel; 8. Insulating contact piece 2; 801. Contact section; 802. Sliding section; 9. Support spring; 10. Adjustment knob; 11. Insulating gasket; 12. Mounting screw; 13. Signal line. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention specification; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0024] Embodiment 1:

[0025] See also Figure 1-Figure 4, a CNC vertical lathe anti-collision tool auxiliary contact device, including a tool holder 1 and a tool 2, the side of the tool holder 1 is a U-shaped structure, and a clamping groove 3 is horizontally opened on the top of the tool holder 1, and the tool 2 is arranged inside the clamping groove 3, and a plurality of threaded holes 4 are equidistantly opened on one side of the tool holder 1, and the interiors of the plurality of threaded holes 4 are all connected with the interior of the clamping groove 3, and the interiors of the plurality of threaded holes 4 are all threadedly connected with locking screws 5, and the ends of the locking screws 5 are all fixedly connected with insulating contact pieces 6, and the ends of the locking screws 5 are in contact with the side wall of the tool 2 through the insulating contact pieces 6; a group of torque adjustment channels 7 are opened on the other side of the tool holder 1, and the interior of the torque adjustment channel 7 is connected with the interior of the clamping groove 3, and the interior of the torque adjustment channel 7 is provided with insulating contact pieces 8, support springs 9 and adjusting knobs 10, and signal lines 13 are fixedly installed on the side walls of the tool holder 1 and the tool 2 through wiring terminals and screws.

[0026] The working principle of this CNC vertical lathe anti-collision tool auxiliary contact device is:

[0027] First, the tool holder 1 is installed on the tool feed table of the CNC vertical lathe by installing screws 12, fastening nuts and washers, and then the tool 2 is placed in the clamping groove 3, and several locking screws 5 are tightened, so that the several locking screws 5 are in contact with one side of the outer wall of the tool 2 through the insulating contact piece 1 6, and then the two adjusting knobs 10 are rotated and adjusted at the same time, so that the adjusting knobs 10 are in contact with the other side of the outer wall of the tool 2 through the supporting spring 9 and the insulating contact piece 2 8, and the contact force between the insulating contact piece 2 8 and the other side of the outer wall of the tool 2 reaches the required clamping force, and finally the two signal lines 13 connecting the control module are respectively connected to the tool holder 1 and the tool 2 by screws;

[0028] During operation, when the contact force between the tool 2 and the workpiece is greater than the above-mentioned clamping force, the tool 2 will deflect inside the clamping groove 3 and make the outer wall of the tool 2 contact the inner wall of the clamping groove 3. At this time, the two signal lines 13 can be connected, and then the CNC vertical lathe can be immediately controlled to stop operating through the preset program instructions on the control module to prevent the tool 2 from breaking as the tool holder 1 continues to feed the tool 2.

[0029] Embodiment 2:

[0030] In view of the above embodiment 1, for further description, refer to Figure 3The torque adjustment channel 7 includes a telescopic hole section near one side of the clamping groove 3 and an internal threaded hole section near the outside of the tool holder 1. The screw section on the adjusting handle 10 is threadedly connected to the inside of the internal threaded hole section. The insulating contact member 8 includes a contact section 801 and a sliding section 802. The contact section 801 extends to the inside of the clamping groove 3 through the telescopic hole section, and the end of the contact section 801 contacts the other side of the side wall of the tool 2. The outer edge of the sliding section 802 is slidably connected inside the internal threaded hole section, and the two ends of the support spring 9 are respectively in contact with the side wall of the sliding section 802 and the end of the screw section on the adjusting handle 10. An insulating gasket 11 is fixedly attached to the bottom of the clamping groove 3, and the top of the insulating gasket 11 contacts the bottom of the tool 2. A mounting threaded hole 4 is also opened on one side of the outer wall of the tool holder 1, and a mounting screw 12 is threadedly connected to the inside of the mounting threaded hole 4, and a fastening nut and a washer are fixedly installed on the outside of the mounting screw 12.

[0031] The telescopic hole section and the internal threaded hole section arranged on the torque adjustment channel 7 can be conveniently connected with the contact section 801 and the sliding section 802 of the insulating contact piece 8 respectively, and the internal threaded hole section can also meet the installation and tightening requirements of the screw section on the adjustment handle 10. The insulating gasket 11 plays the effect of insulating the tool 2 from the tool holder 1 at the bottom of the clamping groove 3.

[0032] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A CNC vertical lathe anti-collision tool auxiliary contact device, comprising a tool holder (1) and a tool (2), characterized in that: The side of the tool holder (1) is in a U-shaped structure, and a clamping groove (3) is transversely opened on the top of the tool holder (1), and the tool (2) is arranged inside the clamping groove (3). A plurality of threaded holes (4) are equidistantly opened on one side of the tool holder (1), and the interiors of the plurality of threaded holes (4) are all connected to the interior of the clamping groove (3). The interiors of the plurality of threaded holes (4) are all threadedly connected with locking screws (5), and the ends of the locking screws (5) are all fixedly connected with an insulating contact piece (6), and the end of the locking screw (5) contacts the side wall of the tool (2) through the insulating contact piece (6); A set of torque adjustment channels (7) are provided on the other side of the tool holder (1), the interior of the torque adjustment channel (7) is connected to the interior of the clamping groove (3), and the interior of the torque adjustment channel (7) is provided with two insulating contact pieces (8), a support spring (9) and an adjustment knob (10), and signal lines (13) are fixedly installed on the side walls of the tool holder (1) and the tool (2) through wiring terminals and screws.

2. According to claim 1, a CNC vertical lathe anti-collision tool auxiliary contact device is characterized in that: The torque adjustment channel (7) comprises a telescopic hole section close to one side of the clamping groove (3) and an internal threaded hole section close to the outside of the tool holder (1), and the screw section on the adjustment knob (10) is threadedly connected to the inside of the internal threaded hole section.

3. The CNC vertical lathe anti-collision tool auxiliary contact device according to claim 2 is characterized in that: The insulating contact member 2 (8) comprises a contact section (801) and a sliding section (802), wherein the contact section (801) extends to the inside of the clamping groove (3) through the telescopic hole section, and the end of the contact section (801) contacts the other side of the side wall of the tool (2), the outer edge of the sliding section (802) is slidably connected inside the internal threaded hole section, and the two ends of the support spring (9) are respectively in contact with the side wall of the sliding section (802) and the end of the screw section on the adjusting handle (10).

4. The CNC vertical lathe anti-collision tool auxiliary contact device according to claim 1 is characterized in that: An insulating gasket (11) is fixedly adhered to the bottom of the clamping groove (3), and the top of the insulating gasket (11) is in contact with the bottom of the tool (2).

5. The CNC vertical lathe anti-collision tool auxiliary contact device according to claim 1 is characterized in that: A mounting threaded hole (4) is also provided on one side of the outer wall of the tool holder (1), and a mounting screw (12) is threadedly connected inside the mounting threaded hole (4), and a fastening nut and a washer are fixedly installed outside the mounting screw (12).

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