Device for drilling semi-direct-drive machine base

Abstract

The utility model relates to a device for drilling a semi-direct-drive machine base. The device comprises a rotary workbench body, a supporting and positioning tool, a first stand column, a second stand column, a first extending frame and a second extending frame. The supporting and positioning tool is arranged on the rotating table body and is used for supporting and positioning a workpiece to be machined; the first stand column and the second stand column are arranged along the periphery of the rotary workbench body. The first extension frame is arranged on the first stand column, and a first power assembly is arranged on the first extension frame; the second extension frame is arranged on the second stand column, and a second power assembly is arranged on the second extension frame. The first power head and the second power head can drill the outer diameter and the end face of a workpiece, the outer diameter and the end face of the workpiece can be drilled through one device, the drilling efficiency of the workpiece is improved, and the machining period is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, specifically relates to a device for semi-direct drive base drilling. BACKGROUND

[0002] At present, in the mechanical manufacturing industry, with the increasingly fierce market competition and the continuous change of customer demand, improving production efficiency and reducing processing cost has become the key to the survival and development of enterprises. Especially for enterprises that undertake a large number of semi-direct drive base processing tasks, how to efficiently and accurately complete the processing task while ensuring product quality has become a problem to be solved.

[0003] In the semi-direct drive base processing process, the traditional processing method usually uses a number of boring machine tools to drill outer diameter holes and end face holes, although it can meet the processing demand to a certain extent, but there are problems of high cost and low efficiency. Especially when a large number of semi-direct drive bases need to be processed, this traditional processing method not only increases the production cost, but also affects the normal production progress of other products.

[0004] Based on the above problems, the utility model provides a device for semi-direct drive base drilling. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a device for semi-direct drive base drilling, in order to realize the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A device for semi-direct drive base drilling, comprising:

[0007] A rotary workbench body;

[0008] A support positioning tool is arranged on the rotary workbench body and used for supporting and positioning the workpiece;

[0009] A first column and a second column are arranged along the outer periphery of the rotary workbench body;

[0010] A first extension frame is arranged on the first column, and the first extension frame is provided with a first power assembly;

[0011] A second extension frame is arranged on the second column, and the second extension frame is provided with a second power assembly.

[0012] Further, the first extension frame is provided with a first mounting surface and a first mounting hole for mounting the first power assembly, and the center axis of the first mounting surface and the first mounting hole is concentrically arranged with the center axis of the main shaft of the machine tool;

[0013] The second extension frame is provided with a second mounting surface and a second mounting hole for mounting the second power assembly, and the center axis of the second mounting surface and the second mounting hole is concentric with the center axis of the main shaft of the machine tool.

[0014] The first extension frame and the second extension frame are structurally arranged to ensure that the center lines of their two sides coincide after installation, and the drilling hole centers of the first power assembly and the second power assembly coincide.

[0015] Further, the rotary table body includes a table, a turntable seat, and a servo motor.

[0016] The table is rotationally arranged on the turntable seat.

[0017] The servo motor is arranged on the turntable seat, and an output shaft of the servo motor is connected with the table.

[0018] Further, the first extension frame and the second extension frame are each provided with a linear slide table, and the first power assembly and the second power assembly are each in sliding connection with the linear slide table.

[0019] Further, the first power assembly includes a first driving motor and a first power head.

[0020] The first driving motor is arranged on the first extension frame.

[0021] The first power head is in driving connection with the first driving motor.

[0022] Further, the first power head is horizontally arranged on the first extension frame.

[0023] Further, the first power head is a horizontal power head.

[0024] Further, the second power assembly includes a second driving motor and a second power head.

[0025] The second driving motor is arranged on the second extension frame.

[0026] The second power head is in driving connection with the second driving motor.

[0027] Further, the second power head is vertically arranged on the second extension frame, and the second power head is a vertical power head.

[0028] Further, the first power head and the second power head are each provided with a cooling assembly, and the cooling assembly includes:

[0029] A cooling pipe is connected with the water outlet of the first power head and the second power head respectively, for providing cooling liquid to the drill bit for cooling.

[0030] an extension pipe connected to the end of the cooling pipe through a fastening joint;

[0031] an extended water outlet pipe connected to the end of the extension pipe and fixed at the drill tips of the first power head and the second power head;

[0032] a spray head connected to the extended water outlet pipe.

[0033] The device for drilling a semi-direct drive base seat has the following advantages:

[0034] Compared with the prior art, the device for drilling a semi-direct drive base seat has the following advantages: the first power head and the second power head suitable for drilling are installed on the first extension frame and the second extension frame, the first power head and the second power head can drill the outer diameter and the end face of the workpiece, the outer diameter and the end face drilling operation of the workpiece can be completed by one device, the drilling efficiency of the workpiece is improved, and the processing cycle is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 FIG. 1 is a structural schematic view of the device for drilling a semi-direct drive base seat.

[0036] The reference signs are as follows: 1-rotary workbench body, 2-supporting and positioning tooling, 3-first vertical column, 4-second vertical column, 5-first extension frame, 6-second extension frame, 7-first power head, 8-second power head, 9-first driving motor, 10-second driving motor, and 11-workpiece to be processed. DETAILED DESCRIPTION

[0037] The preferred embodiments of the device for drilling a semi-direct drive base seat will be described in detail below with reference to the accompanying drawings, so that the purpose, characteristics and advantages of the device for drilling a semi-direct drive base seat can be more clearly understood. It should be understood that the embodiments shown in the drawings are not a limitation on the scope of the device for drilling a semi-direct drive base seat, but are only used to illustrate the essential spirit of the technical scheme of the device for drilling a semi-direct drive base seat.

[0038] There are various types of semi-direct drive base seats with different diameters, and the main process of the semi-direct drive base seats is drilling. The outer diameter mounting holes of these base seats have a large number, small hole diameters, and moderate plate thicknesses, generally between 20-30 mm. In the processing process, the index circle and position degree requirements of the mounting holes need to be ensured, which puts forward very high requirements on the processing precision. However, the traditional processing mode is often difficult to achieve the ideal effect in terms of processing precision and efficiency, especially when facing a large number of processing tasks, which is even more inadequate.

[0039] Therefore, in order to meet the needs of market competition, improve production efficiency, and reduce processing cost, the device for drilling a semi-direct drive base seat is proposed, and the device for drilling a semi-direct drive base seat specifically includes Figure 1As shown, it comprises a rotary table body 1, a support positioning tool 2, a first column 3, a second column 4, a first extension frame 5 and a second extension frame 6; the support positioning tool 2 is arranged on the rotary table body 1 and used for supporting and positioning a workpiece 11; the first column 3 and the second column 4 are arranged along the outer periphery of the rotary table body 1; the first extension frame 5 is arranged on the first column 3, and the first extension frame 5 is provided with a first power assembly; the second extension frame 6 is arranged on the second column 4, and the second extension frame 6 is provided with a second power assembly.

[0040] Specifically, the support positioning tool 2 is provided with a tool stop and a guide mounting hole, and the tool stop and the guide mounting hole are used for positioning the machined semi-direct drive machine base.

[0041] Specifically, the height of the support positioning tool 2 is determined by comprehensively considering the height of the workpiece, the up-and-down travel range of the machine tool, and the convenience of personnel operation during machining; the tool stop and the guide mounting hole are matched with the inner diameter tolerance size of the workpiece; the strength of the support positioning tool is determined according to the weight of the workpiece; the length range of the first extension frame and the second extension frame is determined according to the distance difference between the main shafts of the first column and the second column and the workpiece; assuming that the limit travel x of the first column or the second column is moved by x / 2 from the limit position, the first column or the second column is taken as the reference position (the outer diameter of each part of the workpiece is 100mm, which is much smaller than x / 2), the distance between the first extension frame and the workpiece is measured, so that the total assembly size of the first extension frame and the first power assembly is equal to the total assembly size of the second extension frame and the second power assembly, and it is ensured that the first power assembly and the second power assembly can be safely advanced and retreated and smoothly machined after installation.

[0042] In one embodiment, the first extension frame 5 is provided with a first mounting surface and a first mounting hole for mounting the first power assembly, and the center axis of the first mounting surface and the first mounting hole is concentrically arranged with the center axis of the main shaft of the machine tool; the second extension frame 6 is provided with a second mounting surface and a second mounting hole for mounting the second power assembly, and the center axis of the second mounting surface and the second mounting hole is concentrically arranged with the center axis of the main shaft of the machine tool, so as to ensure that the front-and-back movement drilling of the machine tool is at the center of the workpiece.

[0043] The first extension frame 5 and the second extension frame 6 are structurally arranged to ensure that the center lines of the two sides coincide after installation, and the drilling centers of the first power assembly and the second power assembly coincide, and the starting positions of the end face hole and the outer diameter hole are consistent.

[0044] In one embodiment, the rotary table body 1 comprises a table, a turntable seat and a servo motor; the table is rotatably arranged on the turntable seat; the servo motor is arranged on the turntable seat, and the output shaft of the servo motor is connected with the table.

[0045] In one embodiment, a linear slide is arranged on each of the first extension frame 5 and the second extension frame 6, and the first power assembly and the second power assembly are in sliding connection with the linear slide. The first power assembly and the second power assembly can move back and forth on the first extension frame and the second extension frame, expand the machining range of the machine base, and be able to adapt to the machining of machine bases of various diameters.

[0046] In one embodiment, the first power assembly comprises a first driving motor 9 and a first power head 7, the first driving motor is arranged on the first extension frame 5, and the first power head 7 is in transmission connection with the first driving motor.

[0047] In one embodiment, the first power head 7 is horizontally arranged on the first extension frame 5, and the first power head 7 is a horizontal power head.

[0048] In one embodiment, the second power assembly comprises a second driving motor 10 and a second power head 8, the second driving motor is arranged on the second extension frame 6, and the second power head 8 is in transmission connection with the second driving motor.

[0049] In one embodiment, the second power head 8 is vertically arranged on the second extension frame 6, and the second power head 8 is a vertical power head.

[0050] Specifically, the first extension frame and the second extension frame are positioned by the flange end face and the outer diameter of the main shaft of the first column and the second column, and are connected by fastening bolts, so that the first extension frame and the second extension frame are fixed on the machine tool column; the first power head and the second power head are connected by fastening bolts on the machining plane of the first extension frame and the second extension frame, and after fastening, the body of the first power head and the second power head is found to be parallel to the main shaft of the machine tool by a dial gauge.

[0051] Further, according to the material and size of the machined workpiece, the power and other parameters of the first power head 7 and the second power head 8 are selected. For a machined workpiece with an outer diameter hole of M8 and a flange end face of M16 (i.e. a semi-direct drive machine base), the drilling diameter is small, the workpiece material is ordinary low-alloy structural steel, the driving form of the first power head 7 and the second power head 8 is suitable for electric form (i.e. AC servo motor driving), the first power head 7 and the second power head 8 adopt ER chuck form, then the first power head 7 (i.e. outer diameter drilling) adopts a horizontal power head, high-speed drilling is adopted, the speed is generally 1000-2000 rad / min, preferably 1500 rad / min, the second power head 8 (i.e. flange end face drilling) adopts a vertical power head, the first power head 7 and the second power head 8 are correspondingly pre-tightened with the mounting surface and mounting hole of the first extension frame and the second extension frame, and the adjusting top wire is installed, the dial gauge is used to check the side surface and upper plane needle runout of the first power head and the second power head when they move back and forth with the first extension frame and the second extension frame, to ensure that the straightness runout is zero, and the installation and adjustment meet the requirements.

[0052] In one embodiment, the first power head 7 and the second power head 8 are provided with cooling assemblies, which include cooling pipes, extension pipes, lengthened water outlet pipes and spray heads, the cooling pipes are connected with water outlets of the first power head 7 and the second power head 8 respectively, for providing cooling liquid to the drill bit for cooling; the extension pipes are connected with the ends of the cooling pipes through fastening joints; the lengthened water outlet pipes are connected with the ends of the extension pipes and are fixed at drill tips of the first power head 7 and the second power head 8; the spray heads are connected with the lengthened water outlet pipes, ensuring that the cutting liquid can be accurately sent to the drill bit for cooling.

[0053] The utility model discloses a support positioning tool 2 is fixed on the workbench first when drilling the workpiece (i.e. half direct drive machine seat), rotates the table and finds the center, finds the plane, then through the pressing plate and other fastener, the support positioning tool is fastened on the workbench, after fastening, the table is rotated again, and the flatness and roundness are ensured to be within 0.1 after fastening;The workpiece 11 (i.e. half direct drive machine seat) is placed on the support positioning tool, and the workpiece flange plane is pasted with the tool stop mouth plane, and the workpiece flatness and roundness are measured again, then the pressing plate is used to press tightly in four places, the workbench is rotated every time a uniform angle, the first power head carries out one time outer diameter drilling processing, and the second power head carries out one time end face drilling. Through one equipment, the outer diameter and end face drilling of the workpiece can be completed, the drilling efficiency of the workpiece is improved, and the processing period is shortened.

Claims

1. A device for semi-direct drive jumbo drilling, characterized by, The utility model relates to a machine tool, including: Rotary table body (1); Support positioning tooling (2) are set up on rotary table body (1), be used for supporting positioning piece (11) of processing; First stand (3) and second stand (4) are set up along the periphery of rotary table body (1); First extension frame (5) is set up on first stand (3), and first extension frame (5) is provided with first power assembly on it; Second extension frame (6) is set up on second stand (4), and second extension frame (6) is provided with second power assembly on it.

2. A device for semi-direct drive jig drilling according to claim 1, characterized in that: First extension frame (5) is provided with first mounting surface and first mounting hole for installing first power assembly, and the center axis of first mounting surface and first mounting hole is concentric with the center axis of machine tool spindle; Second extension frame (6) is provided with second mounting surface and second mounting hole for installing second power assembly, and the center axis of second mounting surface and second mounting hole is concentric with the center axis of machine tool spindle; First extension frame (5) and second extension frame (6) are structurally arranged to ensure that the center lines of their two sides coincide after installation, and the drilling centers of first power assembly and second power assembly coincide.

3. A device for semi-direct drive jig drilling according to claim 2, characterized in that: Rotary table body (1) includes a worktable, a turntable base and a servo motor; The worktable is rotatably arranged on the turntable base; The servo motor is arranged on the turntable base, and an output shaft of the servo motor is connected with the worktable.

4. A device for semi-direct drive jig drilling according to claim 2, characterized in that: Linear slides are arranged on first extension frame (5) and second extension frame (6), and first power assembly and second power assembly are slidably connected with the linear slides.

5. A device for semi-direct drive jig drilling according to claim 1, characterized in that: First power assembly includes a first driving motor (9) and a first power head (7); The first driving motor (9) is arranged on the first extension frame (5); The first power head (7) is drivingly connected with the first driving motor (9).

6. A device for semi-direct drive jig drilling according to claim 5, characterized in that: The first power head (7) is horizontally arranged on the first extension frame (5).

7. A device for semi-direct drive jumbo drilling according to claim 5 or 6, characterized in that: The first power head (7) is a horizontal power head.

8. A device for semi-direct drive jig drilling according to claim 5, characterized in that: Second power assembly includes a second driving motor (10) and a second power head (8); The second driving motor (10) is arranged on the second extension frame (6); The second power head (8) is drivingly connected with the second driving motor (10).

9. A device for semi-direct drive jig drilling according to claim 8, characterized in that: The second power head (8) is vertically arranged on the second extension frame (6), and the second power head (8) is a vertical power head.

10. A device for semi-direct drive jig drilling according to claim 8, characterized in that: Cooling assemblies are arranged on the first power head (7) and the second power head (8), and the cooling assemblies include: Cooling pipes are connected with water outlets of the first power head (7) and the second power head (8) respectively, and are used for providing cooling liquid to drill heads for cooling; Extension pipes are connected with the ends of the cooling pipes through fastening joints; Lengthened water outlet pipes are connected with the ends of the extension pipes and are fixed at drill tips of the first power head (7) and the second power head (8); Nozzles are connected with the lengthened water outlet pipes.

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