Novel numerical control machining tool

Abstract

The utility model discloses a novel numerical control machine tool. The novel numerical control machining tool comprises a hollow main frame, a material moving module, a multi-axis moving module and a CNC machining part. The main frame is a three-dimensional rectangular frame; the material moving module comprises an upper positioning and pressing assembly installed on a longitudinal moving frame, a longitudinal moving assembly is installed in the longitudinal moving frame, the material carrying plate is connected to the longitudinal moving assembly, and vertical floating springs are arranged at the upper ends of floating guide columns of the upper positioning and pressing assembly. The floating guide columns can penetrate through the lateral positioning holes of the workpieces below the floating guide columns and the long round through holes of the material loading plate or press the workpieces below the floating guide columns in a floating manner; the CNC machining part is located in the main frame and fixedly connected with the output tail end of the vertical moving assembly, and the multi-axis moving module can drive the CNC machining part to move in the transverse direction, the longitudinal direction and the vertical direction. The numerical control machine tool has the advantages of being capable of positioning and pressing machined workpieces in a high-precision mode, high in yield and high in application flexibility.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control equipment field, especially new numerical control processing machine tool. BACKGROUND

[0002] Current numerical control machine tool is widely used in precision machining field, numerical control machine tool pursues higher machining precision and machining flexibility, and numerical control machine tool needs to move product to machining position by feeding machine, and product needs to be locked and positioned during machining, and its problems are as follows: first, the material sheet is easy to shift in the existing numerical control machine tool's material shifting mechanism adopting lower positioning pin and upper positioning hole, and there is inaccuracy in positioning, which reduces machining precision, and the product has jumping phenomenon when the product is subjected to large cutting load during machining, thereby causing low product precision and low yield; second, the existing feeding machine cannot match complex products with frequent changes, so that the equipment application flexibility is seriously reduced, thereby reducing production efficiency. SUMMARY

[0003] In order to solve one or more of the above problems, the utility model provides new numerical control processing machine tool.

[0004] According to one aspect of the utility model, the new numerical control processing machine tool comprises: a hollow main frame, a material shifting module, a multi-axis moving module and a CNC machining part;

[0005] The main frame is a three-dimensional rectangular frame formed by two cross beams, four vertical adjustable legs connected perpendicularly at the lower ends of the two cross beams, and two vertical plates connected between the middle sides of the two cross beams;

[0006] The material shifting module comprises an upper positioning and pressing assembly installed on a longitudinal shifting frame, two side legs and two vertical plates connected to the two side end beams of the longitudinal shifting frame, a longitudinal shifting assembly installed in the longitudinal shifting frame, a load carrying plate connected to the longitudinal shifting assembly, a plurality of long circular through holes symmetrically arranged on the left and right sides of the load carrying plate, a vertical floating spring arranged on the upper end of a floating guide pillar of the upper positioning and pressing assembly, and the floating guide pillar capable of penetrating the lateral positioning hole of the workpiece below and the long circular through hole of the load carrying plate or floating pressing the workpiece below, thereby realizing high-precision positioning and pressing of the workpiece during machining;

[0007] The multi-axis moving module comprises a horizontal shifting assembly installed at the lower ends of the two ends of a horizontal shifting beam and the upper ends of two cross beams, a longitudinal shifting assembly installed on the upper end surface of the horizontal shifting beam, and a vertical shifting assembly installed at the moving end of the longitudinal shifting assembly;

[0008] The CNC machining part is located in the main frame and fixedly connected to the output end of the vertical shifting assembly, and the CNC machining part can be moved above the workpiece for machining under the driving of the multi-axis moving module.

[0009] The novel numerical control processing machine tool adopts a novel material moving module and a novel upper positioning and pressing assembly. The upper positioning and pressing assembly performs floating pressing while positioning the workpiece through the shaft sleeve. The multi-axis moving module has XYZ three-way movement and can perform large range movement. The beneficial effects are as follows: firstly, the numerical control processing machine tool can press the workpiece with high precision, the processing position is constant, there is no left-right movement and up-down jumping, the machine tool can bear a large load without displacement, and the workpiece can be processed with high precision and high yield.

[0010] In some embodiments, the lateral moving assembly, the longitudinal moving assembly, and the vertical moving assembly are linear sliding tables.

[0011] In some embodiments, the linear sliding table comprises a screw-nut transmission pair, a linear sliding rail and a sliding block, and the screw-nut transmission pair is directly connected to a servo motor.

[0012] In some embodiments, the material moving module further comprises a lower positioning block opposite to the upper positioning and pressing assembly. The lower positioning block is connected below one longitudinal end beam and the variable distance beam of the longitudinal moving frame. The vertical positioning hole of the lower positioning block is in equal-diameter cooperation with the floating guide column.

[0013] The center lines of the long circular through holes on both sides, the vertical positioning hole of the lower positioning block, and the floating guide column are located in two symmetrical vertical planes, and the floating guide column and the long circular through hole are in clearance cooperation.

[0014] In some embodiments, an elastic material made clamping sleeve is installed below the vertical positioning hole.

[0015] Or an electromagnetic lock connected clamping sleeve is installed below the vertical positioning hole.

[0016] In some embodiments, the upper positioning and pressing assembly comprises a locking cylinder, a lifting beam, and a plurality of floating guide columns and floating springs. The locking cylinder is fixedly connected below one longitudinal end beam and one variable distance beam. The lifting beam is located above the end beam or the variable distance beam and has a rear end connected to the locking cylinder. The vertical sliding hole at the front end of the lifting beam is slidingly connected to the plurality of floating guide columns, and the floating spring is installed between the floating guide column and the lifting beam.

[0017] In some embodiments, the lower end of the floating guide column is provided with a lower shaft shoulder, and the lower end of the vertical sliding hole is provided with a large-diameter buffer groove. The lower end of the floating spring is attached to the lower shaft shoulder, and the upper end of the floating spring is attached to the buffer groove.

[0018] Or the upper end of the floating guide column is provided with a large-diameter stop end ring, and the lower end is provided with a chamfered guide end head.

[0019] In some embodiments, the longitudinal moving frame of the material moving module is a rectangular frame connected by several horizontal shafts between two longitudinal end beams, the left end beam is connected to the inner side of the left two supporting legs through a steering seat, and the right end beam is vertically connected to the inner side of two vertical plates.

[0020] In some embodiments, the longitudinal moving frame further comprises a variable distance beam and a variable distance assembly, the variable distance beam is slidingly connected to the horizontal shaft between the two end beams, the variable distance assembly is rotatably connected to the two end beams through the variable distance screw shaft at both ends and is fixedly connected to the variable distance beam through the nut matched therewith, one end of the variable distance screw shaft is connected to the variable distance transmission system, and the motor of the variable distance transmission system is fixedly connected to the middle of the right end beam.

[0021] Or the variable distance transmission system and the longitudinal moving assembly are both synchronous belt transmission systems driven by servo motors.

[0022] In some embodiments, the CNC machining part is any one of a drill, a grinder, a welder and a laser engraver. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view schematic diagram of the novel CNC machining tool shown in the embodiment of the utility model;

[0024] Figure 2 It is a left view schematic diagram of the novel CNC machining tool shown in the embodiment of the utility model; Figure 1

[0025] Figure 3 It is a front view schematic diagram of the material moving module shown in the embodiment of the utility model; Figure 2

[0026] Figure 4 It is a partial enlarged schematic diagram of the material moving module shown in the embodiment of the utility model; Figure 3

[0027] Figure 5 It is a left view schematic diagram of the material moving module shown in the embodiment of the utility model; Figure 2

[0028] Figure 6 It is a partial sectional view schematic diagram of the material moving module after removing the longitudinal moving frame shown in the embodiment of the utility model; Figure 5

[0029] Figure 7 It is a top view schematic diagram of the material moving module shown in the embodiment of the utility model; Figure 2 Workpiece 00, lateral positioning hole 001;

[0030] Main frame 01, cross beam 011, supporting leg 012, vertical plate 013;

[0031]

[0032] ​​​​​​Material moving module 02, longitudinal moving frame 1, end beam 10, transverse shaft 11, variable distance beam 12, variable distance assembly 13, variable distance screw shaft 131, nut 132, variable distance transmission system 14, longitudinal moving assembly 2, material carrying plate 3, long circular through hole 31, upper positioning and pressing assembly 4, floating guide column 40, floating spring 41, lifting beam 42, vertical sliding hole 43, lower shaft shoulder 44, buffer groove 45, self-lubricating copper sleeve 46, stop end ring 47, guide end 48, locking cylinder 49, lower positioning block 5, vertical positioning hole 51, clamping sleeve 52, steering seat 6;

[0033] Multi-axis moving module 03, transverse moving beam 030, transverse moving assembly 031, longitudinal moving assembly 032, vertical moving assembly 033, screw nut transmission pair 034, linear sliding rail slider sliding pair 035;

[0034] CNC processing part 04. DETAILED DESCRIPTION

[0035] The utility model will be further explained in detail below in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0036] Figures 1 to 7 A novel CNC machine tool according to an embodiment of the utility model is schematically shown. As shown in the figure, the novel CNC machine tool comprises: a hollow main frame 01, a material moving module 02, a multi-axis moving module 03 and a CNC processing part 04.

[0037] The main frame 01 is a three-dimensional rectangular frame formed by two cross beams 011 at the lower ends of which four vertical adjustable legs 012 are connected perpendicularly and two vertical plates 013 are connected at the middle of the two sides.

[0038] The material moving module 02 comprises an upper positioning and pressing assembly 4 installed on a longitudinal moving frame 1, two end beams 10 at the two sides of the longitudinal moving frame 1 connecting two legs 012 and two vertical plates 013 on one side, a longitudinal moving assembly 2 installed in the longitudinal moving frame 1, a material carrying plate 3 connected to the longitudinal moving assembly 2, a plurality of long circular through holes 31 symmetrically arranged on the left and right sides of the material carrying plate 3, a vertical floating spring 41 arranged at the upper end of a floating guide column 40 of the upper positioning and pressing assembly 4, the floating guide column 40 being capable of penetrating the lateral positioning hole 001 of the workpiece 00 below and the long circular through hole 31 of the material carrying plate 3 or floatingly pressing the workpiece 00 below, so as to realize high-precision positioning and pressing of the workpiece 00 during processing.

[0039] The horizontal moving assembly 031 is installed at the lower ends of the transverse beams 030 of the multi-axis moving module 03 and the upper ends of the two horizontal beams 011, the longitudinal moving assembly 032 is installed on the upper end surface of the transverse beam 030, and the vertical moving assembly 033 is installed at the moving end of the longitudinal moving assembly 032. The horizontal moving assembly 031, the longitudinal moving assembly 032 and the vertical moving assembly 033 are preferably linear sliding tables. The beneficial effect is that linear sliding can output good position accuracy, ensuring accurate CNC machining of the CNC machining part 04.

[0040] The CNC machining part 04 is located in the main frame 01 and fixedly connected to the output end of the vertical moving assembly 033, and can be moved to the upper part of the workpiece 00 for machining under the driving of the multi-axis moving module 03. The CNC machining part 04 is preferably any one of a drill, a grinder, a welding tool and a laser engraving tool.

[0041] The new numerical control machining machine tool adopts a new material moving module 02 with a new upper positioning and pressing assembly 4, which can float and press while positioning the workpiece through the shaft sleeve. The multi-axis moving module 03 has XYZ three-way movement and can move in a large range. The beneficial effect is that: first, the numerical control machining machine tool can press the workpiece with high precision, the machining position is constant, there is no left-right movement and up-down jumping, and it can bear a large load without displacement, and can process the workpiece with high precision and high yield.

[0042] Preferably, the linear sliding table includes a screw nut transmission pair 034 and a linear sliding rail sliding block sliding pair 035 which are parallel to each other, and the screw nut transmission pair 034 is directly connected to a servo motor. The beneficial effect is that this setting can output good position movement, ensure the position accuracy of the tool, and improve the machining precision.

[0043] Further, the material moving module 02 further includes a lower positioning block 5 opposite to the upper positioning and pressing assembly 4, which is connected below one longitudinal end beam 10 and the variable distance beam 12 of the longitudinal moving frame 1, and the vertical positioning hole 51 of the lower positioning block 5 is in equal-diameter cooperation with the floating guide column 40.

[0044] The center lines of the long circular through hole 31 on both sides, the vertical positioning hole 51 of the lower positioning block 5 and the floating guide column 40 are located in two symmetrical vertical surfaces, and the floating guide column 40 and the long circular through hole 31 are in clearance fit.

[0045] The workpiece 00 is placed on the loading plate 3 and the lateral positioning hole 001 is located above the oblong through hole 31, the loading plate 3 is moved to the machining position and is attached to the lower positioning block 5, the lateral positioning hole 001 is located directly below the positioning column 40 and the oblong through hole 31 is located directly above the vertical positioning hole 51, a plurality of floating guide columns 40 can be moved downward through the lateral positioning hole 001, the oblong through hole 31 and the equal-diameter shaft sleeve vertical positioning hole 51, and the remaining floating guide columns 40 are floatingly pressed against both sides of the workpiece 00, so that the workpiece 00 is accurately positioned and pressed during machining. The beneficial effects are that the lower positioning block 5 and the upper positioning and pressing assembly 4 are arranged in cooperation, the positioning accuracy of the product is further improved, the left and right mobility is further constrained, and the machining position is stable.

[0046] Preferably, a positioning pin is arranged at the center of the loading plate 3, and the center hole of the workpiece 00 is connected to the positioning pin. The beneficial effects are that the positioning pin and the center hole can further ensure that there is no position movement during movement.

[0047] Preferably, an elastic material made clamping sleeve 52 is installed below the vertical positioning hole 51. The beneficial effects are that the elastic material made clamping sleeve 52 has a simple structure, is easy to install and fix, and has good locking force.

[0048] Alternatively, an electromagnetic lock connected clamping sleeve 52 is installed below the vertical positioning hole 51. The beneficial effects are that the electromagnetic lock has greater locking force, can achieve better position stability and impact resistance.

[0049] Further, the upper positioning and pressing assembly 4 includes a locking cylinder 49, a lifting beam 42, and a plurality of floating guide columns 40 and floating springs 41, the locking cylinder 49 is fixedly connected below one longitudinal end beam 10 and one variable distance beam 12, the lifting beam 42 is located above the end beam 10 or the variable distance beam 12 and the rear end is connected to the locking cylinder 49, the vertical sliding hole 43 of the front end of the lifting beam 42 is slidingly connected to the plurality of floating guide columns 40, and the floating spring 41 is installed between the floating guide column 40 and the lifting beam 42. The beneficial effects are that the locking cylinder 49 has good up-down movement, ensures high straight-line accuracy of output movement, and integrates multiple floating guide columns 40 through the lifting beam 42, so that the structure is simple and the occupied space is small.

[0050] Preferably, the lower end of the floating guide column 40 is provided with a lower shaft shoulder 44, the lower end of the vertical sliding hole 43 is a large-diameter buffer groove 45, the lower end of the floating spring 41 is attached to the lower shaft shoulder 44 and the upper end is attached to the buffer groove 45. The beneficial effects are that this arrangement ensures that the spring has good installation accuracy and effectively realizes vertical floating and damping effect.

[0051] Preferably, the vertical sliding hole 43 is provided with a self-lubricating copper sleeve 46 or a linear bearing at the upper end, and the upper segment of the floating guide column 40 is provided with a self-lubricating copper sleeve 46 or a linear bearing.

[0052] Preferably, the floating guide column 40 is provided with a large-diameter stop end ring 47 at the upper end and a chamfered guide end head 48 at the lower end. The beneficial effect is that the stop end ring 47 effectively limits the lower position, and the guide end head 48 effectively locates, ensuring quick and effective alignment and installation.

[0053] Further, the longitudinal moving frame 1 of the material moving module 02 is a rectangular frame connected by a plurality of transverse shafts 11 between two longitudinal end beams 10, the left end beam 10 is connected to the inner side of the left two supporting legs 012 through a steering seat 6, and the right end beam 10 is vertically connected to the inner side of two vertical plates 013. The beneficial effect is that the structure has high strength and impact load strength, ensuring that the tool does not vibrate and the product does not shift during processing.

[0054] Preferably, the longitudinal moving frame 1 further comprises a variable distance beam 12 and a variable distance assembly 13. The variable distance beam 12 is slidingly connected to the transverse shaft 11 between the two end beams 10. The variable distance assembly 13 is rotatably connected to the two end beams 10 at both ends of the variable distance screw shaft 131, and the nut 132 matched therewith is fixedly connected to the variable distance beam 12. The variable distance screw shaft 131 is connected to the variable distance transmission system 14 at one end, and the motor of the variable distance transmission system 14 is fixedly connected to the middle of the right end beam 10.

[0055] Preferably, the variable distance transmission system 14 and the longitudinal moving assembly 2 are both synchronous belt transmission systems driven by servo motors. The beneficial effect is that the variable distance structure has high adjustment accuracy and is suitable for a variety of sheet products.

[0056] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the scope of protection of the present application.

Claims

1. A new type of numerically controlled machine tool, characterized in that, It comprises: an internal hollow main frame (01), a material moving module (02), a multi-axis moving module (03) and a CNC processing part (04); The main frame (01) is a three-dimensional rectangular frame formed by two cross beams (011) vertically connected to four vertical adjustable legs (012) at the lower end and two vertical plates (013) connected to the middle two sides; The material moving module (02) comprises an upper positioning and pressing assembly (4) mounted on a longitudinal moving frame (1), two side end beams (10) of the longitudinal moving frame (1) are connected to two legs (012) and two vertical plates (013) on one side, a longitudinal moving assembly (2) is mounted in the longitudinal moving frame (1), a load plate (3) is connected to the longitudinal moving assembly (2), a plurality of long circular through holes (31) are symmetrically arranged on the left and right sides of the load plate (3), a vertical floating spring (41) is arranged at the upper end of a floating guide column (40) of the upper positioning and pressing assembly (4), the floating guide column (40) can pass through a lateral positioning hole (001) of a workpiece (00) below and the long circular through hole (31) of the load plate (3) or press the workpiece (00) below, so as to realize high-precision positioning and pressing of the workpiece (00) during processing; The multi-axis moving module (03) comprises a horizontal moving assembly (031) mounted on the two ends of a horizontal moving beam (030) and the upper two cross beams (011), a longitudinal moving assembly (032) mounted on the upper end surface of the horizontal moving beam (030), and a vertical moving assembly (033) mounted on the moving end of the longitudinal moving assembly (032); The CNC processing part (04) is located in the main frame (01) and is fixedly connected to the output end of the vertical moving assembly (033), and the CNC processing part (04) can be moved to the upper side of the workpiece (00) for processing under the driving of the multi-axis moving module (03).

2. The numerically controlled machine tool according to claim 1, characterized in that, The horizontal moving assembly (031), the longitudinal moving assembly (032) and the vertical moving assembly (033) are linear sliding tables.

3. The numerically controlled machine tool according to claim 2, characterized in that, The linear sliding table comprises a screw nut transmission pair (034) and a linear sliding rail sliding block sliding pair (035) which are parallel to each other, and the screw nut transmission pair (034) is directly connected to a servo motor.

4. The numerically controlled machine tool according to claim 1, characterized in that, The material moving module (02) further comprises a lower positioning block (5) opposite to the upper positioning and pressing assembly (4), the lower positioning block (5) is connected to one longitudinal end beam (10) of the longitudinal moving frame (1) and a variable distance beam (12) below, and a vertical positioning hole (51) of the lower positioning block (5) is in equal-diameter cooperation with the floating guide column (40); The center lines of the long circular through holes (31) on the two sides, the vertical positioning hole (51) of the lower positioning block (5) and the floating guide column (40) are located in two symmetrical vertical planes, and the floating guide column (40) and the long circular through hole (31) are in clearance fit.

5. The numerically controlled machine tool according to claim 4, characterized in that, An elastic material made clamping sleeve (52) is mounted below the vertical positioning hole (51). Or an electromagnetic lock connected clamping sleeve (52) is mounted below the vertical positioning hole (51).

6. The numerically controlled machine tool according to claim 1, characterized in that, The upper positioning and pressing assembly (4) comprises a locking cylinder (49), a lifting beam (42), and a plurality of floating guide columns (40) and floating springs (41). The locking cylinder (49) is fixedly connected below one longitudinal end beam (10) and one variable-distance beam (12). The lifting beam (42) is located above the end beam (10) or the variable-distance beam (12) and has a rear end connected to the locking cylinder (49). The lifting beam (42) is slidably connected to the plurality of floating guide columns (40) through a vertical sliding hole (43) at the front end of the lifting beam (42), and the floating guide columns (40) and the lifting beam (42) are provided with the floating springs (41).

7. The numerically controlled machine tool according to claim 6, characterized in that, The lower end of the floating guide column (40) is provided with a lower shaft shoulder (44), the lower end of the vertical sliding hole (43) is a large-diameter buffer groove (45), the lower end of the floating spring (41) is attached to the lower shaft shoulder (44), and the upper end of the floating spring (41) is attached to the buffer groove (45). Or the upper end of the floating guide column (40) is provided with a large-diameter stop end ring (47), and the lower end is provided with a guide end head (48) with a chamfer structure.

8. The numerically controlled machine tool according to claim 1, characterized in that, The longitudinal moving frame (1) of the material moving module (02) is a rectangular frame connected by a plurality of transverse shafts (11) between two longitudinal end beams (10). The left end beam (10) is connected to the inner side of the left two supporting legs (012) through a steering seat (6), and the right end beam (10) is vertically connected to the inner side of the two vertical plates (013) at both ends.

9. The numerically controlled machine tool according to claim 1, characterized in that, The longitudinal moving frame (1) further comprises a variable-distance beam (12) and a variable-distance assembly (13). The variable-distance beam (12) is slidably connected to the transverse shaft (11) between the two end beams (10). The variable-distance assembly (13) is rotatably connected to the two end beams (10) at both ends of the variable-distance lead screw shaft (131), and the nut (132) matched therewith is fixedly connected to the variable-distance beam (12). One end of the variable-distance lead screw shaft (131) is connected to the variable-distance transmission system (14), and the motor of the variable-distance transmission system (14) is fixedly connected to the middle of the right end beam (10). Or the variable-distance transmission system (14) and the longitudinal moving assembly (2) are both synchronous belt transmission systems driven by servo motors.

10. The numerically controlled machine tool according to any one of claims 1 to 9, characterized in that, The CNC processing part (04) is any one of a drill, a grinder, a welder, and a laser engraver.

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