Novel vertical machining center

Abstract

The utility model provides a novel vertical machining center, and relates to the field of machining centers. The novel vertical machining center comprises a supporting mechanism; the headstock is slidably mounted on a guide rail of the upright post; the cutter is mounted at the bottom of the headstock; the tool is connected with the headstock in an inserted mode, the interior of the headstock is connected with the cooling liquid storage device, when a workpiece is cut, cooling liquid can be sprayed through a round hole in the tool, water is discharged from a high-pressure center, the tool and the workpiece are more effectively cooled, waste chips are efficiently discharged out of a to-be-machined part, the wall of a machined hole is smooth, and the machining efficiency is improved. The hole precision is relatively higher than the machining precision of a high-speed steel cutter, and the problems that according to an existing vertical machining center, when a cutter of a conventional vertical machining center drills a deep hole, the cutter can only use the high-speed steel cutter due to cutting external cooling limitation, and when the deep hole is drilled, scrap iron cannot be efficiently discharged, and scrap accumulation and cutter burning are prone to occurring are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of machining centers, and particularly relates to a new type of vertical machining center. Background Art

[0002] A numerically controlled machining center is a high-efficiency automated machine tool composed of mechanical equipment and a numerical control system, suitable for machining complex parts. The numerically controlled machining center is one of the numerically controlled machine tools with the highest output and the widest application in the world. It has strong comprehensive machining capabilities. The machining center is developed from a numerically controlled milling machine. The biggest difference between the machining center and the numerically controlled milling machine is that the machining center has the ability to automatically exchange the machining tool library. By installing different-purpose tool libraries on the tool magazine, the machining tool library on the spindle can be changed through the automatic tool change device during one clamping, realizing multiple machining functions.

[0003] However, for the existing vertical machining centers currently, when in use, the base area of the machining center is small, and the suspension between the guide rails is too large, resulting in poor overall stability of the whole machine during the cutting operation. The conventional vertical machining center uses a herringbone column for support and is hollow inside, so the column support strength is poor. And when the tool of the conventional vertical machining center drills deep holes, it is limited by the external cooling during cutting, and only high-speed steel tools can be used. When drilling deep holes, the iron chips cannot be efficiently discharged, and it is easy to accumulate chips and burn the tool. It is necessary to cycle back the tool for chip removal. Chip built-up edge is likely to appear on the machined hole wall. High-speed steel belongs to a low-speed cutting tool, which prolongs the machining time and restricts the machining efficiency. And when machining different workpieces, it cannot meet the need for multi-angle machining, and there are certain limitations. Summary of the Invention

[0004] In view of this, the present invention provides a new type of vertical machining center, which has a column. By setting the bottom of the column as a square box reinforcement structure, the support and stability of the column are stronger during use. And by setting four groups of slide rails, the coverage area of the slide rails is increased, achieving full support of the slide rails and improving the installation stability of the sliding table. And the tool on this device is provided with a round hole, and the tool is inserted and connected with the headstock. Thus, the coolant inside the headstock can be sprayed out through the round hole inside the tool, achieving the effect of central water outlet, better ensuring the cooling of the tool, and at the same time, it can assist in flushing out the waste chips while cutting the workpiece.

[0005] The present invention provides a new type of vertical machining center, which specifically includes: a support mechanism, an installation mechanism, a bearing mechanism, and a rotation mechanism:

[0006] The support mechanism is the vertical machining center body, and the support mechanism includes: a column, the bottom of the column is set as a square box reinforcement structure, a guide rail is installed on the column, a motor is fixedly installed on the column, and the inside of the column is set as an X-shaped structure;

[0007] The installation mechanism is installed on the top of the support mechanism, and the installation mechanism includes: slide rails, there are four groups of slide rails in total, and the slide rails are fixedly installed on the top of the main body on the support mechanism;

[0008] The bearing mechanism is installed on the top of the installation mechanism; the rotating mechanism is installed on the top of the bearing mechanism.

[0009] Furthermore, the support mechanism further includes:

[0010] The machine head base is slidably installed on the guide rail of the column; the cutting tool is provided with a round hole, and the cutting tool is installed at the bottom of the machine head base.

[0011] Furthermore, the support mechanism further includes:

[0012] The tool magazine is fixedly installed on the column; the tool arm is provided with arc-shaped protrusions on both sides, and the tool arm is connected to the machine head base through a hydraulic telescopic rod.

[0013] Furthermore, the support mechanism further includes:

[0014] The main body is of a rectangular structure, and the main body is fixedly installed at the bottom of the column, and a motor is fixedly installed on the main body.

[0015] Furthermore, the installation mechanism further includes:

[0016] The sliding table is of a rectangular structure, and the sliding table is slidably connected to the slide rail; the first screw rod is fixedly connected to the motor on the main body, and the first screw rod is connected to the sliding table.

[0017] Furthermore, the bearing mechanism includes:

[0018] There are two groups of installation rails in total, and the installation rails are fixedly installed on the top of the sliding table; the bearing table is of a rectangular structure, the bearing table is provided with a T-shaped groove, and the bearing table is slidably connected to the installation rail; the second screw rod is fixedly connected to the motor on the sliding table, and the second screw rod is connected to the bearing table.

[0019] Furthermore, the rotating mechanism includes:

[0020] The fixing part is of a T-shaped structure, and the fixing part is fixedly installed on the bearing table; the tightening part is installed on the fixing part, and a conical protrusion is rotatably installed on the tightening part.

[0021] Furthermore, the rotating mechanism further includes:

[0022] The installation part is fixedly installed on the bearing table; the clamping part is of a cylindrical structure, and the clamping part is connected to the motor inside the installation part.

[0023] A new type of vertical machining center provided by the present invention has the following beneficial effects:

[0024] In addition, the bottom of the column is set as a square box reinforcement structure, which enhances the stability of the column support. And the inside of the column is set as a cross shape, compared with the hollow setting of traditional equipment, it improves the overall strength of the column. And the column is set with a higher height, compared with traditional machining centers, it has a longer stroke distance and stronger practicability. The main body area is larger than that of conventional models. The rated load of traditional equipment is 700KG, while the effective load of the main body of this device is 1000KG, which expands the processing of heavy-load parts on small-scale machine tools, ensures the overall rigidity of the equipment, and is more conducive to the stability of machine tool cutting.

[0025] In addition, through the provided fixing parts and clamping parts, the fixing parts here are fixedly installed on the bearing platform by bolts, and the clamping parts are rotatably installed on the installation parts. Thus, when in use, the fixing parts and installation parts can be conveniently installed on the bearing platform, and cooperate with the bearing platform, sliding table and machine head seat to form an overall four-axis processing unit, and can process different positions of the workpiece according to the use requirements, making the equipment more practical.

[0026] In addition, through the provided machine head seat and tool, the machine head seat here is slidably installed on the guide rail of the column, and the tool is inserted and connected with the machine head seat. And the inside of the machine head seat is connected with the coolant storage device, and the tool is inserted and connected with the machine head seat. Thus, when cutting and processing the workpiece, the coolant can be sprayed through the round holes on the tool, and the coolant flowing inside the tool can ensure better heat dissipation of the tool. The high-pressure central water outlet can more effectively cool the tool and workpiece and efficiently discharge the waste chips from the machining area. The machined hole wall is smooth, and the hole accuracy is relatively higher than that of high-speed steel tools, and it can avoid the generation of some chip accumulation and tool burning, improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0028] The following drawings in the description only relate to some embodiments of the present invention and do not limit the present invention.

[0029] In the drawings:

[0030] Figure 1 is the main view three-dimensional structure schematic diagram of the new type of vertical machining center of the embodiment of the present invention.

[0031] Figure 2 is the main view structure schematic diagram of the new type of vertical machining center of the embodiment of the present invention.

[0032] Figure 3 It is a schematic side view structure diagram of a new type of vertical machining center according to an embodiment of the present invention.

[0033] Figure 4 It is a schematic top view structure diagram of a new type of vertical machining center according to an embodiment of the present invention.

[0034] Figure 5 It is a schematic three-dimensional structure diagram of a bearing mechanism and a rotating mechanism of a new type of vertical machining center according to an embodiment of the present invention.

[0035] Figure 6 It is from Figure 1 A partial enlarged structure diagram of part A of the new type of vertical machining center according to an embodiment of the present invention.

[0036] Figure 7 It is from Figure 2 A partial enlarged structure diagram of part B of the new type of vertical machining center according to an embodiment of the present invention.

[0037] Figure 8 It is from Figure 4 A partial enlarged structure diagram of part C of the new type of vertical machining center according to an embodiment of the present invention.

[0038] Figure 9 It is a schematic internal structure diagram of a headstock sectioned of a new type of vertical machining center according to an embodiment of the present invention.

[0039] List of reference numerals

[0040] 1. Support mechanism;

[0041] 101. Column; 102. Headstock; 103. Tool; 104. Tool magazine; 105. Tool arm; 106. Main body;

[0042] 2. Installation mechanism;

[0043] 201. Slide rail; 202. Slide table; 203. First screw;

[0044] 3. Bearing mechanism;

[0045] 301. Installation rail; 302. Bearing table; 303. Second screw;

[0046] 4. Rotating mechanism;

[0047] 401. Fixing part; 402. Tightening part; 403. Mounting part; 404. Clamping part. Detailed implementation manners

[0048] The following further describes the implementation manners of the present invention in detail with reference to the drawings and embodiments.

[0049] Embodiment: Please refer to Figures 1 to 9 as shown below:

[0050] The present invention provides a new type of vertical machining center, including a support mechanism 1, a mounting mechanism 2, a bearing mechanism 3 and a rotating mechanism 4:

[0051] The support mechanism 1 is the vertical machining center body, and the support mechanism 1 includes: a column 101. The bottom of the column 101 is set as a square box strengthening structure. A guide rail is installed on the column 101. A motor is fixedly installed on the column 101, and the inside of the column 101 is set as an X-shaped structure. Here, the bottom of the column 101 is set as a square box strengthening structure, so that the column 101 has higher strength compared with the traditional herringbone support. And the inside of the column 101 is set as an X-shaped structure. Compared with the traditional hollow structure inside, the column 101 body has higher strength and better rigidity;

[0052] The mounting mechanism 2 is installed on the top of the support mechanism 1, and the mounting mechanism 2 includes: slide rails 201. There are four groups of slide rails 201 in total, and the slide rails 201 are fixedly installed on the top of the main body 106 on the support mechanism 1. Here, the slide rails 201 are used to slidably connect with the sliding table 202. By setting four groups, the coverage area of the slide rails 201 is increased, achieving full support of the slide rails 201. Compared with the traditional support method of two groups of slide rails 201, it is more stable and firm, reducing the suspended area at the bottom of the sliding table 202;

[0053] The bearing mechanism 3 is installed on the top of the mounting mechanism 2; the rotating mechanism 4 is installed on the top of the bearing mechanism 3.

[0054] Among them, as Figure 1 shown, the support mechanism 1 further includes:

[0055] The headstock 102 is slidably mounted on the guide rail of the column 101. Here, the headstock 102 is driven by a motor on the column 101 to drive a screw rod, and the headstock 102 is reciprocally moved on the guide rail of the column 101 through the screw rod, so that workpieces of different heights can be machined by moving up and down. This is a mature existing technology. A nitrogen counterweight is configured at the top of the headstock 102 to provide a reaction force. A water outlet hole is provided at the axis of the main shaft inside the headstock 102. A rotary joint is provided above the main shaft and connected to a water tank, and coolant is sprayed through high-pressure action. The inside of the headstock 102 is set in an oil-cooling manner, and external water cooling and air cooling are provided at the bottom of the headstock 102, which can enhance the heat dissipation efficiency of the cutting tool 103 and the machined workpiece; The cutting tool 103 is provided with a round hole, and the cutting tool 103 is installed at the bottom of the headstock 102. Here, the cutting tool 103 is used to be inserted and connected with the headstock 102, and the headstock 102 sprays coolant through an external coolant connection method, so that the coolant can be sprayed through the round hole on the cutting tool 103, thereby presenting an effect of central water outlet. The coolant flows inside the cutting tool 103, which can better dissipate heat from the cutting tool 103. When cutting with the workpiece, by configuring a central water outlet two-speed gear cutting tool 103, and also a 7.5KW servo motor is configured on the headstock 102. When the spindle rpm is 999 or less, the gearbox speed ratio is 1:4, magnifying the torque of the servo motor by four times to ensure the large torque required for rough machining of parts; when the spindle rpm is 1000 - 8000, it is 1:1 to ensure the high speed during finishing of parts or machining with small cutting tools 103; Central water outlet can more effectively cool the cutting tool 103 and the workpiece and clean waste chips. The machined hole wall is smooth, and the hole accuracy is relatively higher than that of high-speed steel cutting tools; The tool magazine 104 is fixedly installed on the column 101. Here, the tool magazine 104 is used to store various tool magazines 104; The tool arm 105 is provided with arc-shaped protrusions on both sides, and the tool arm 105 is connected to the headstock 102 through a hydraulic telescopic rod. Here, the tool arm 105 is used to drive the cutting tool 103 to move and rotate through motor control rotation and the telescopic movement of the hydraulic telescopic rod, so as to conveniently replace the tool magazine 104; The main body 106 is of a rectangular structure, and the main body 106 is fixedly installed at the bottom of the column 101, and a motor is fixedly installed on the main body 106. Here, the area of the main body 106 is larger than that of conventional models. The rated load of traditional equipment is 700KG, while the effective load of the main body 106 of this device is 1000KG, expanding the processing of heavy-load parts on small-sized machine tools, ensuring the overall rigidity of the equipment, and being more conducive to the stability of machine tool cutting.

[0056] Among them, as Figure 2 shown, the installation mechanism 2 further includes:

[0057] The sliding table 202 is a rectangular structure and is slidably connected to the slide rail 201. The sliding table 202 is used to move back and forth on the slide rail 201 to meet the requirements of cutting the workpiece back and forth. The first screw 203 is fixedly connected to the motor on the main body 106 and is connected to the sliding table 202. The first screw 203 is used to drive the rotation by the motor on the main body 106 to drive the sliding table 202 to move back and forth.

[0058] Among them, as Figure 2 shown, the carrying mechanism 3 includes:

[0059] The mounting rails 301 are provided in two groups and are fixedly installed on the top of the sliding table 202. The mounting rails 301 are used to slidably connect to the carrying table 302. The carrying table 302 is a rectangular structure, with a T-shaped groove provided on the carrying table 302, and the carrying table 302 is slidably connected to the mounting rails 301. The carrying table 302 is used to be driven by the second screw 303 to move left and right on the mounting rails 301. The carrying table 302 can be conveniently installed with a rotating mechanism 4 for four-axis machining of the workpiece and can be installed as an optional configuration. The second screw 303 is fixedly connected to the motor on the sliding table 202 and is connected to the carrying table 302. The second screw 303 is used to be driven to rotate by the motor on the sliding table 202.

[0060] Among them, as Figure 5 shown, the rotating mechanism 4 includes:

[0061] The fixing member 401 is a T-shaped structure and is fixedly installed on the carrying table 302. The fixing member 401 is used to install the tightening member 402. The tightening member 402 is installed on the fixing member 401, and a conical protrusion is rotatably installed on the tightening member 402. The tightening member 402 is used to drive the conical protrusion to contact the side of the workpiece through rotation to assist in positioning the workpiece. The mounting member 403 is fixedly installed on the carrying table 302. The mounting member 403 is used to drive the clamping member 404 to rotate through the motor installed inside and drive the workpiece to rotate through the clamping member 404 to achieve four-axis machining, which is a mature prior art. The clamping member 404 is a cylindrical structure and is connected to the motor inside the mounting member 403. The clamping member 404 is used to move through the arc-shaped protrusion inside the rectangular groove on the clamping member 404 to fixedly clamp the workpiece, which is a mature prior art. This mechanism can be used for four-axis machining and can be installed and used as an optional configuration.

[0062] Specific usage method and function of this embodiment: In the present invention, by placing the workpiece on the clamping member 404, the arc-shaped protrusion on the clamping member 404 contacts the workpiece, so that the workpiece can be fixedly clamped. And by adjusting the tightening member 402, the conical protrusion on the tightening member 402 contacts the workpiece, so as to stably clamp the workpiece. By moving the headstock 102 up and down on the guide rail of the column 101, the sliding table 202 moves back and forth on the slide rail 201, and the bearing table 302 moves left and right on the mounting rail 301, so as to realize the all-round processing of the workpiece, and further achieve the purpose of four-axis processing. During processing, the tool 103 contacts the workpiece, the headstock 102 drives the tool 103 to rotate, and the coolant sprays out from the round hole on the tool 103. And the coolant flowing inside the tool 103 can ensure better heat dissipation of the tool 103. The high-pressure central water outlet can more effectively cool the tool 103 and the workpiece and efficiently discharge the waste chips from the part to be processed. The processed hole wall is smooth, the hole accuracy is relatively higher than that of the high-speed steel tool, and the processing efficiency is stronger.

Claims

1. A new type of vertical machining center, characterized in that: It comprises a supporting mechanism (1), a mounting mechanism (2), a bearing mechanism (3) and a rotating mechanism (4): The support mechanism (1) is a vertical machining center body, and the support mechanism (1) comprises: a column (101), the bottom of the column (101) is arranged as a square box reinforcement structure, a guide rail is installed on the column (101), a motor is fixedly installed on the column (101), and the interior of the column (101) is arranged as an X-shaped structure; The mounting mechanism (2) is mounted on the top of the supporting mechanism (1), and the mounting mechanism (2) comprises: a slide rail (201), a total of four sets of slide rails (201), and the slide rails (201) are fixedly mounted on the top of the main body (106) on the supporting mechanism (1); The bearing mechanism (3) is installed on the top of the mounting mechanism (2); and the rotating mechanism (4) is installed on the top of the bearing mechanism (3).

2. A novel vertical machining center according to claim 1, characterized in that: The support mechanism (1) further comprises: A machine head base (102) is slidably mounted on a guide rail of a column (101); a tool (103) is provided with a circular hole, and the tool (103) is mounted on the bottom of the machine head base (102).

3. A novel vertical machining center according to claim 2, characterized in that: The support mechanism (1) further comprises: A tool magazine (104) is fixedly mounted on the column (101); a knife arm (105) is provided with arc-shaped protrusions on both sides of the knife arm (105), and the knife arm (105) is connected to the machine head seat (102) through a hydraulic telescopic rod.

4. A novel vertical machining center according to claim 1, characterized in that: The support mechanism (1) further comprises: The main body (106) is a rectangular structure and is fixedly mounted on the bottom of the column (101), and a motor is fixedly mounted on the main body (106).

5. A novel vertical machining center according to claim 4, characterized in that: The mounting mechanism (2) further comprises: The sliding platform (202) is a rectangular structure, and the sliding platform (202) is slidably connected to the slide rail (201); the first screw rod (203) is fixedly connected to the motor on the main body (106), and the first screw rod (203) is connected to the sliding platform (202).

6. A novel vertical machining center according to claim 5, characterized in that: The carrying mechanism (3) comprises: Mounting rails (301), there are two sets of mounting rails (301), and the mounting rails (301) are fixedly mounted on the top of the sliding platform (202); a bearing platform (302), the bearing platform (302) is a rectangular structure, a T-shaped slot is provided on the bearing platform (302), and the bearing platform (302) is slidably connected to the mounting rails (301); a second screw rod (303), the second screw rod (303) is fixedly connected to the motor on the sliding platform (202), and the second screw rod (303) is connected to the bearing platform (302).

7. A novel vertical machining center according to claim 6, characterized in that: The rotating mechanism (4) comprises: The fixing member (401) is a T-shaped structure and is fixedly mounted on the bearing platform (302); the pressing member (402) is mounted on the fixing member (401) and a conical protrusion is rotatably mounted on the pressing member (402).

8. A novel vertical machining center according to claim 7, characterized in that: The rotating mechanism (4) further comprises: A mounting member (403), the mounting member (403) is fixedly mounted on the bearing platform (302); a clamping member (404), the clamping member (404) is a cylindrical structure, and the clamping member (404) is connected to the motor inside the mounting member (403).

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