Numerically-controlled tool rest for machining of numerically-controlled machine tool

Abstract

The utility model relates to the technical field of tool rests, in particular to a numerical control tool rest for machining of a numerical control machine tool. Comprising a first moving assembly, a second moving assembly, a fixing assembly, a limiting assembly and a cutter assembly, the second moving assembly is installed on the first moving assembly, and the fixing assembly is installed on the second moving assembly. Through the arrangement of the fixing assembly, when a cutter is fixed, a positioning plate is inserted into a positioning groove, a worm is rotated, the worm is meshed with a worm gear to drive a rotating rod to rotate, the rotating rod drives a third threaded rod to rotate, and the third threaded rod drives a second moving plate to move; the positioning rod is moved into the positioning groove and inserted into the positioning hole to fix the cutter, so that the positioning rod is not easy to separate from the positioning hole when the cutter is used for a long time, the cutter is not easy to fall off, and the use of the device is not influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tool rests, and particularly relates to a numerically controlled tool rest used for numerically controlled machine tool processing. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, and express them in coded numbers. The information is input into the CNC device through the information carrier. After calculation and processing, the CNC device sends out various control signals to control the movement of the machine tool and automatically process the parts according to the shape and size required by the drawing. CNC machine tools have better solved the problems of complex, precise, small batch and multi-variety parts processing. They are flexible and high-efficiency automated machine tools, representing the development direction of modern machine tool control technology. They are a typical mechatronics product. The tool holder is needed in the processing and use of CNC machine tools.

[0003] After searching, in the prior art, Chinese patent application number: CN202321727151.8 discloses a tool holder for CNC machine tool processing, including a bracket, one side of the bracket is fixedly connected to a mounting plate, a first slide rail is installed on the mounting plate, the first slide rail is slidably connected to an adjustment box, a cylinder is installed on the top of the adjustment box, a second slide rail is installed on one side of the adjustment box, an adjustment rod is installed on the inner wall of the adjustment box, a connecting block is installed on the adjustment rod, and a mounting assembly is installed on one side of the connection block, and the mounting assembly includes a first fixed clamping plate, a fixed screw, a second fixed clamping plate, a linkage pin, a handle and a connecting rod. The utility model cooperates with the first slide rail, the second slide rail and the adjustment box. During use, when it is necessary to process workpieces with different cutting requirements and sizes, the horizontal position is adjusted on the first slide rail, and then the adjustment rod is driven by the cylinder to drive the connecting block and the mounting assembly in the adjustment box to adjust vertically to reach the specified position, which meets daily use.

[0004] However, the device still has the following defects:

[0005] First, the device fixes the blade by means of the first fixing clamp plate and the second fixing clamp plate. The blade is easy to fall off after long-term use, thus affecting the use of the device.

[0006] Second, when the device vibrates, the handle is easily offset, thereby reducing the clamping force of the first fixing plate and the second fixing plate, causing the second fixing plate to separate from the first fixing plate, thereby easily causing the blade to fall off. Utility Model Content

[0007] The purpose of the utility model is to provide a CNC tool holder for CNC machine tool processing. By rotating the worm, the positioning rod is moved into the positioning groove and inserted into the positioning hole to fix the cutter, so that the cutter can be used for a long time, and the positioning rod is not easy to separate from the positioning hole, so that the cutter is not easy to fall off, thereby not affecting the use of the device, so as to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC tool holder for CNC machine tool processing, comprising a first moving assembly, a second moving assembly, a fixed assembly, a limit assembly and a cutter assembly, wherein the second moving assembly is mounted on the first moving assembly, the fixed assembly is mounted on the second moving assembly, and the limit assembly and the cutter assembly are both mounted on the fixed assembly;

[0009] The fixing assembly includes a mounting plate, which is mounted on a second movable assembly, an adjusting groove and two groups of positioning grooves are provided in the mounting plate, a worm and two groups of fixing plates are installed in the adjusting groove, the two groups of fixing plates are rotatably connected with a rotating rod, a worm wheel is installed on the rotating rod, the worm wheel and the worm are meshed, both ends of the rotating rod are threadedly connected with a third threaded rod, the second movable plate is installed on one end of the two groups of the third threaded rod away from the rotating rod, two groups of positioning rods are installed on one side of the two groups of the second movable plates away from the third threaded rod, and one end of the two groups of the positioning rods away from the third threaded rod passes through the positioning groove.

[0010] Furthermore, the limiting assembly includes a third movable groove, the third movable groove is provided with one end of a worm gear, limiting grooves are provided on the inner walls on both sides of the third movable groove, a spring is installed at the bottom of the third movable groove, a connecting rod is installed at one end of the spring, two groups of limiting blocks are installed on the side walls of the connecting rod, and the two groups of limiting blocks are respectively slidably connected in the two groups of limiting grooves.

[0011] Furthermore, the limit assembly also includes a turntable and multiple groups of limit rods. The turntable is installed at one end of the connecting rod. Multiple groups of limit holes are opened on the turntable. The multiple groups of limit rods are all installed on the mounting plate, and the multiple groups of limit rods are respectively inserted into the multiple groups of limit holes.

[0012] Furthermore, the first moving assembly includes a mounting frame, the mounting frame is provided with two groups of first moving grooves, and the first threaded rod and the first guide rod are respectively installed in the two groups of the first moving grooves.

[0013] Furthermore, a first motor is installed at one end of the mounting frame, and an output end of the first motor is transmission-connected to one end of the first threaded rod.

[0014] Furthermore, the second moving assembly includes a connecting plate, the connecting plate is threadedly connected to the first threaded rod, the connecting plate is slidably connected to the first guide rod, and a second moving groove is formed on the connecting plate.

[0015] Furthermore, a second threaded rod is installed in the second movable groove, a first movable plate is threadedly connected to the second threaded rod, the first movable plate is slidably connected in the second movable groove, a second motor is installed on the connecting plate, and an output end of the second motor is transmission-connected to the second threaded rod.

[0016] Furthermore, the cutter assembly includes a cutter, and two groups of positioning plates are installed on the top of the cutter. Two groups of positioning plates are provided with two groups of positioning holes. The two groups of positioning plates are respectively inserted into the two groups of positioning grooves, and the positioning holes and positioning rods are used in combination.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model sets a fixing component. When fixing the cutter, the positioning plate is inserted into the positioning groove. The worm is rotated, and the worm is meshed with the worm wheel to drive the rotating rod to rotate, so that the rotating rod drives the third threaded rod to rotate, and the third threaded rod drives the second movable plate to move, so that the positioning rod moves into the positioning groove and is inserted into the positioning hole to fix the cutter. The cutter can be used for a long time, and the positioning rod is not easy to separate from the positioning hole, so that the cutter is not easy to fall off, thereby not affecting the use of the device;

[0019] 2. The utility model sets a limit assembly. After the cutter is fixed, the limit rod is inserted into the limit hole on the turntable to fix the turntable, thereby ensuring the stability of the turntable. When the turntable vibrates, it is not easy to deviate, and the cutter is not easy to fall off, thereby improving the stability of the cutter.

[0020] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the structure according to an embodiment of the utility model is shown;

[0023] Figure 2 A schematic diagram of the structure of a first moving component according to an embodiment of the utility model is shown;

[0024] Figure 3 A schematic diagram of the structure of a second moving assembly according to an embodiment of the utility model is shown;

[0025] Figure 4 A schematic diagram of the mounting plate structure according to an embodiment of the utility model is shown;

[0026] Figure 5 A schematic diagram of the internal structure of a mounting plate according to an embodiment of the utility model is shown;

[0027] Figure 6 A schematic diagram of the internal structure of a worm according to an embodiment of the utility model is shown;

[0028] Figure 7 A schematic structural diagram of a cutter assembly according to an embodiment of the utility model is shown.

[0029] In the figure: 110, mounting frame; 120, first movable groove; 130, first threaded rod; 140, first motor; 150, first guide rod; 210, connecting plate; 220, second movable groove; 230, second threaded rod; 240, second motor; 250, first movable plate; 310, mounting plate; 311, adjusting groove; 312, fixing plate; 313, positioning groove; 320, worm; 330, rotating rod; 331, worm wheel; 340, third threaded rod; 350, second movable plate; 360, positioning rod; 410, limiting rod; 420, turntable; 430, limiting hole; 440, connecting rod; 441, limiting block; 450, third movable groove; 451, limiting groove; 460, spring; 510, cutter; 520, positioning plate; 530, positioning hole. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0031] See also Figure 1-7The utility model provides a technical solution: a CNC tool rest for CNC machine tool processing. It includes a first moving assembly, a second moving assembly, a fixed assembly, a limit assembly and a cutter assembly, wherein the second moving assembly is mounted on the first moving assembly, the fixed assembly is mounted on the second moving assembly, and the limit assembly and the cutter assembly are both mounted on the fixed assembly;

[0032] The fixing assembly includes a mounting plate 310, which is mounted on the second moving assembly. An adjusting groove 311 and two groups of positioning grooves 313 are provided in the mounting plate 310. A worm 320 and two groups of fixing plates 312 are installed in the adjusting groove 311. The two groups of fixing plates 312 are rotatably connected with a rotating rod 330. A worm wheel 331 is installed on the rotating rod 330. The worm wheel 331 is meshed with the worm 320. Both ends of the rotating rod 330 are threadedly connected with a third threaded rod 340. The second moving plate 350 is installed at one end of the two groups of the third threaded rod 340 away from the rotating rod 330. Two groups of positioning rods 360 are installed on one side of the two groups of the second moving plates 350 away from the third threaded rod 340. The ends of the two groups of the positioning rods 360 away from the third threaded rod 340 are both penetrated into the positioning groove 313.

[0033] By rotating the worm 320, the worm 320 engages with the worm wheel 331, thereby driving the rotating rod 330 to rotate, so that the rotating rod 330 drives the third threaded rod 340 to rotate, and the third threaded rod 340 drives the second movable plate 350 to move, so that the positioning rod 360 moves into the positioning groove 313 and is inserted into the cutter assembly to fix the cutter assembly and prevent the cutter assembly from falling off easily.

[0034] The limiting assembly includes a third movable groove 450, the third movable groove 450 is provided with one end of the worm 320, and limiting grooves 451 are provided on the inner walls on both sides of the third movable groove 450. A spring 460 is installed at the bottom of the third movable groove 450, and a connecting rod 440 is installed at one end of the spring 460. Two groups of limiting blocks 441 are installed on the side walls of the connecting rod 440, and the two groups of limiting blocks 441 are respectively slidably connected in the two groups of limiting grooves 451.

[0035] The limiting assembly also includes a turntable 420 and multiple groups of limiting rods 410. The turntable 420 is installed at one end of the connecting rod 440. Multiple groups of limiting holes 430 are opened on the turntable 420. The multiple groups of limiting rods 410 are all installed on the mounting plate 310. The multiple groups of limiting rods 410 are respectively inserted into the multiple groups of limiting holes 430.

[0036] A limiting rod 410 is provided and inserted into the limiting hole 430 to limit the rotating disk 420 so that the rotating disk 420 is not easily rotated, thereby keeping the cutter assembly stable.

[0037] When the cutter assembly is replaced, the rotating disk 420 is pulled to separate the limiting rod 410 and the limiting hole 430, thereby releasing the limiting of the rotating disk 420, so that the rotating disk 420 drives the worm 320 to rotate, and the cutter assembly is replaced.

[0038] A spring 460 is provided, and under the elastic action of the spring 460 , the rotating disk 420 can be close to the limiting rod 410 , so that the limiting rod 410 is inserted into the limiting hole 430 .

[0039] A limit block 441 is provided. When the rotating disk 420 rotates, the rotating disk 420 drives the connecting rod 440 to rotate. The connecting rod 440 drives the worm 320 to rotate through the limit block 441 and the limit slot 451 .

[0040] The first moving assembly includes a mounting frame 110 , and two groups of first moving grooves 120 are formed on the mounting frame 110 . A first threaded rod 130 and a first guide rod 150 are respectively installed in the two groups of first moving grooves 120 .

[0041] A first motor 140 is installed at one end of the mounting frame 110 , and an output end of the first motor 140 is transmission-connected to one end of the first threaded rod 130 .

[0042] The second moving assembly includes a connecting plate 210 , wherein the connecting plate 210 is threadedly connected to the first threaded rod 130 , the connecting plate 210 is slidably connected to the first guide rod 150 , and a second moving groove 220 is formed on the connecting plate 210 .

[0043] A second threaded rod 230 is installed in the second movable groove 220, and a first movable plate 250 is threadedly connected to the second threaded rod 230. The first movable plate 250 is slidably connected in the second movable groove 220. A second motor 240 is installed on the connecting plate 210, and an output end of the second motor 240 is transmission-connected to the second threaded rod 230.

[0044] The first moving assembly and the second moving assembly are used to move and drive the cutter assembly to move, so that the cutter assembly can cut different positions.

[0045] The cutter assembly includes a cutter 510, and two groups of positioning plates 520 are installed on the top of the cutter 510. Two groups of positioning holes 530 are opened on the two groups of positioning plates 520. The two groups of positioning plates 520 are respectively inserted into the two groups of positioning grooves 313. The positioning holes 530 and the positioning rods 360 are used in conjunction with each other.

[0046] Specifically, the internal electrical connection structure of the first motor 140 and the second motor 240 is well known to those skilled in the art and will not be described in detail herein. The electrical components in this application are all connected to an external power source when in use.

[0047] The circuits, electrical components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to the software.

[0048] The control method of the present application document is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field, which is common knowledge in this field. In addition, the present application document is mainly used to protect mechanical devices, so the present application document will no longer explain the control method and circuit connection in detail.

[0049] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A CNC tool rest for CNC machine tool processing, characterized in that: It includes a first moving assembly, a second moving assembly, a fixed assembly, a limiting assembly and a cutter assembly, wherein the second moving assembly is mounted on the first moving assembly, the fixed assembly is mounted on the second moving assembly, and the limiting assembly and the cutter assembly are both mounted on the fixed assembly; The fixed assembly comprises a mounting plate (310), wherein the mounting plate (310) is mounted on the second moving assembly, wherein an adjustment slot (311) and two groups of positioning slots (313) are provided in the mounting plate (310), wherein a worm (320) and two groups of fixed plates (312) are installed in the adjustment slot (311), wherein the two groups of fixed plates (312) are rotatably connected with a rotating rod (330), wherein a worm wheel (331) is installed on the rotating rod (330), and wherein the worm wheel (331) and the worm are connected to each other. (320) are meshed with each other, both ends of the rotating rod (330) are threadedly connected with the third threaded rod (340), the two groups of the third threaded rod (340) are installed with a second movable plate (350) at one end away from the rotating rod (330), and the two groups of the second movable plates (350) are installed with two groups of positioning rods (360) at one side away from the third threaded rod (340), and the two groups of the positioning rods (360) are inserted into the positioning groove (313) at one end away from the third threaded rod (340).

2. A CNC tool rest for CNC machine tool processing according to claim 1, characterized in that: The limiting assembly comprises a third movable groove (450), one end of a worm (320) is provided in the third movable groove (450), limiting grooves (451) are provided on both inner walls of the third movable groove (450), a spring (460) is installed at the bottom of the third movable groove (450), a connecting rod (440) is installed at one end of the spring (460), two groups of limiting blocks (441) are installed on the side walls of the connecting rod (440), and the two groups of limiting blocks (441) are respectively slidably connected in the two groups of limiting grooves (451).

3. The CNC tool rest for CNC machine tool processing according to claim 2, characterized in that: The limiting assembly further comprises a rotating disk (420) and a plurality of groups of limiting rods (410); the rotating disk (420) is mounted on one end of the connecting rod (440); a plurality of groups of limiting holes (430) are provided on the rotating disk (420); the plurality of groups of limiting rods (410) are all mounted on the mounting plate (310); and the plurality of groups of limiting rods (410) are respectively inserted into the plurality of groups of limiting holes (430).

4. The CNC tool rest for CNC machine tool processing according to claim 3, characterized in that: The first moving assembly comprises a mounting frame (110), the mounting frame (110) is provided with two groups of first moving grooves (120), and the first threaded rods (130) and the first guide rods (150) are respectively installed in the two groups of the first moving grooves (120).

5. The CNC tool rest for CNC machine tool processing according to claim 4, characterized in that: A first motor (140) is installed at one end of the mounting frame (110), and an output end of the first motor (140) is transmission-connected to one end of a first threaded rod (130).

6. The CNC tool rest for CNC machine tool processing according to claim 5, characterized in that: The second moving assembly comprises a connecting plate (210), wherein the connecting plate (210) is threadedly connected to the first threaded rod (130), the connecting plate (210) is slidably connected to the first guide rod (150), and a second moving groove (220) is formed on the connecting plate (210).

7. The CNC tool rest for CNC machine tool processing according to claim 6, characterized in that: A second threaded rod (230) is installed in the second movable groove (220), a first movable plate (250) is threadedly connected to the second threaded rod (230), the first movable plate (250) is slidably connected in the second movable groove (220), a second motor (240) is installed on the connecting plate (210), and an output end of the second motor (240) is transmission-connected to the second threaded rod (230).

8. The CNC tool rest for CNC machine tool processing according to claim 7, characterized in that: The cutter assembly comprises a cutter (510), and two groups of positioning plates (520) are installed on the top of the cutter (510). Two groups of positioning holes (530) are opened on the two groups of positioning plates (520). The two groups of positioning plates (520) are respectively inserted into the two groups of positioning grooves (313), and the positioning holes (530) and the positioning rods (360) are used in combination.

Images