High-precision milling and grinding all-in-one machine

Abstract

The high-precision milling and grinding all-in-one machine comprises a working table arranged on a base, the working table is installed on the base through a parallel rail assembly, a portal frame is arranged above the base, a Y-axis module is arranged on the portal frame, a first Z-axis module and a second Z-axis module are arranged on the same side of the Y-axis module side by side, and a chip milling assembly is arranged on the side edge of the first Z-axis module. A grinding assembly is arranged on the side edge of the second Z-axis module. According to the utility model, two different machining procedures of milling and polishing on a metal workpiece can be completed on one device, and the trouble that the metal workpiece needs to be hoisted when the procedures are switched between a milling machine and a grinding machine is avoided, so that not only can the purchase cost of the machining device be reduced, but also the machining efficiency can be improved; and the machining precision of the metal workpiece is improved by designing the structure of the parallel rail assembly, so that the problem that the machining precision of the metal workpiece is affected due to the fact that a workbench is prone to shaking due to the fact that an existing parallel sliding rail structure of a milling machine and a grinding machine is prone to deformation is solved.

Description

Technical Field

[0001] The utility model relates to the field of milling and grinding equipment, in particular to a high-precision milling and grinding integrated machine. Background Art

[0002] With the development of industrialization, in the processing of large equipment accessories, it is often necessary to mill and grind the surface of relatively large metal parts. The existing milling machines or grinders can only perform a single process, either using a milling machine for milling or using a grinder for grinding. When a metal part needs to be milled and ground, it needs to be completed by using a milling machine and a grinder respectively in two processes, which causes the metal part to be hoisted between the milling machine and the grinder when the process is changed between the milling process and the grinding process, which ultimately leads to the shortcomings of low production efficiency, high work intensity and high production cost. In addition, the workbench and base in the current milling machine or grinder generally only use a conventional single set of slide rails and sliders as sliding components. The sliding components of this structure are only suitable for relatively light workbenches and relatively light metal processing parts. If a relatively heavy workbench and metal processing parts are encountered, it usually has the problem of unstable sliding and poor sliding accuracy. In addition, the workbench and the sliding assembly will heat up and deform due to long-term operation. The deformed workbench and the deformed sliding assembly are prone to shaking during the processing and sliding process, thereby affecting the accuracy of the milling and grinding processing of the metal workpiece, resulting in low processing accuracy. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a high-precision milling and grinding machine, whose overall structure can complete two different processing steps of milling and grinding on metal workpieces on one device, and has the advantages of high processing accuracy, high processing efficiency and the ability to reduce the cost of purchasing the machine. It not only effectively solves the problem that the existing milling machine or grinder can only perform a single process, which causes the need to hoist metal parts between the milling machine and the grinder to switch different processing steps, resulting in low processing efficiency and high processing cost, but also solves the problem that the workbench and the base in the current milling machine or grinder generally use a conventional single set of slide rails as a sliding component, which makes the workbench and the sliding component easily deformed due to frictional heat after working for a long time, and shakes due to deformation during processing and sliding, resulting in unstable sliding, poor sliding accuracy and low processing accuracy of metal workpieces. The utility model is achieved through the following technical solutions:

[0004] A high-precision milling and grinding machine comprises a base, a workbench is arranged on the base, a gantry is arranged above the base, two lower ends of the gantry are respectively mounted on both sides of the base through a gantry mounting seat, and also comprises a first Z-axis module and a second Z-axis module, and the first Z-axis module is adjacent to the second Z-axis module;

[0005] A milling assembly is provided on the side of the first Z-axis module and is used for milling the metal workpiece transferred thereto;

[0006] A grinding assembly is provided on the side of the second Z-axis module and is used for grinding the metal workpiece transferred thereto;

[0007] The Y-axis module is arranged on the gantry, and is used to drive the first Z-axis module and the second Z-axis module to synchronously reciprocate and linearly move along the Y-axis direction, so that the milling component and the grinding component can be accurately positioned at the positions that need to be processed in the workpiece respectively; and the first Z-axis module and the second Z-axis module are arranged on the same side of the Y-axis module;

[0008] The workbench is installed on the base through a parallel rail assembly, and the workbench can perform X-axis reciprocating linear displacement along the parallel rail assembly on the base through an X-axis module.

[0009] By adopting the above technical solution, the milling assembly can be lifted and moved through the first Z-axis module, so that it is not only suitable for processing metal workpieces of different heights, but also enables the milling assembly to accurately descend to the surface of the metal workpiece for milling under the drive of the first Z-axis module. Similarly, the grinding assembly can be lifted and moved through the second Z-axis module, so that it is not only suitable for grinding metal workpieces of different heights, but also enables the grinding assembly to accurately descend to the position where grinding is required in the metal workpiece for grinding under the drive of the second Z-axis module. The first Z-axis module and the second Z-axis module can move in the Y-axis direction through the Y-axis module, so that the milling assembly can be lifted and moved, and can be displaced in the Y-axis direction under the joint drive of the first Z-axis module and the Y-axis module; similarly, the grinding assembly can be lifted and moved, and can be displaced in the Y-axis direction under the joint drive of the second Z-axis module and the Y-axis module, so that both the milling assembly and the grinding assembly can be accurately positioned to the position where the metal workpiece needs to be processed for processing, so as to ensure the high processing accuracy of the milling assembly and the grinding assembly.

[0010] Preferably, the parallel rail assembly includes two V-shaped slide rails respectively installed on both ends of the base, and the bottom surface of the workbench is provided with a Y-shaped guide bar used in conjunction with each V-shaped slide rail to improve the sliding stability, rigidity and processing accuracy of the workbench, and the V-shaped slide rail and the Y-shaped guide bar are arranged opposite to each other.

[0011] Preferably, the parallel rail assembly further comprises parallel rails arranged on the sides of each V-shaped rail, and the bottom surface of the workbench is further provided with sliders used in conjunction with each parallel rail, and each slider is slidably connected to each parallel rail.

[0012] By adopting the above technical solution, the worktable can move in the X-axis direction along the parallel rail assembly under the drive of the X-axis module, so that the metal workpiece placed on the worktable can be accurately transferred to the bottom of the grinding assembly and the milling assembly for processing; it is provided with a V-shaped slide rail on the side of each parallel slide rail, and a Y-shaped guide bar is provided on the side of each slider on the bottom surface of the worktable for use with the V-shaped slide rail, the slider and the parallel slide rail form a group of sliding assemblies, and the Y-shaped guide bar and the V-shaped slide rail form another group of sliding assemblies, so that it realizes the function of having a double sliding assembly, thereby improving the sliding rigidity, sliding stability and The sliding accuracy is improved, and the load-bearing of the parallel slide rails on the base on the workbench and the metal workpiece on it is effectively dispersed, so as to solve the problem that the workbench and the base in the current milling machine or grinding machine generally adopt a conventional single set of slide rails as the sliding component, which makes the workbench and the sliding component easily deformed due to friction heat after working for a long time, and shakes due to deformation during the processing and sliding process, resulting in unstable sliding, poor sliding accuracy and low processing accuracy of metal workpieces. Its realization can further improve the processing accuracy of metal workpieces, and is particularly suitable for sliding of large and heavy workbenches and metal workpieces.

[0013] Preferably, the grinding assembly includes a grinding motor, a grinding shaft is arranged below the grinding motor, a grinding head is installed at one end of the grinding shaft, and the other end of the grinding shaft is connected and installed with the grinding motor through a synchronous wheel assembly. The synchronous wheel assembly mainly includes two synchronous wheels and a synchronous belt connecting the two synchronous wheels. The working principle of the synchronous wheel assembly is common knowledge and will not be explained in detail here. The grinding head refers to a tool used to grind metal workpieces.

[0014] By adopting the above technical solution, when the grinding motor rotates, it can drive the grinding shaft to rotate synchronously through the synchronous wheel assembly, and when the grinding shaft rotates, it can drive the grinding head to rotate synchronously, and when the grinding head rotates, it can grind the metal workpiece in contact with it.

[0015] Preferably, the milling assembly comprises a milling motor, and a milling head is mounted on the output shaft of the milling motor.

[0016] By adopting the above technical solution, when the milling motor rotates, it can drive the milling head to rotate synchronously to perform milling processing on the metal workpiece in contact with it.

[0017] Preferably, the top surface of the workbench is concave downward and has a plurality of T-slots arranged at equal intervals, and two adjacent T-slots are arranged in parallel.

[0018] Preferably, an electric permanent magnetic disk is provided on the top surface of the workbench, an electric permanent magnetic disk is installed on the top surface of the workbench, a first screw hole is installed on the electric permanent magnetic disk, a T-block is installed in the T-slot, and the electric permanent magnetic disk is connected and installed with the T-block by passing a screw through the first screw hole on the electric permanent magnetic disk so as to fix it on the workbench.

[0019] By adopting the above technical solution, a plurality of T-slots are arranged at equal intervals, so that the workbench is suitable for installing electric permanent magnetic disks of different widths, so as to achieve the purpose of strong versatility; by installing the T-block into the T-slot, when the installer passes the screw through the first screw hole on the electric permanent magnetic disk and installs and connects it with the T-block, the electric permanent magnetic disk can be fixedly installed on the workbench.

[0020] In another embodiment, second screw holes are provided on both ends and the middle portion of the workbench.

[0021] By adopting the above technical solution, it is possible to screw the second screw hole and install other clamping structures (such as clamps) except the electropermanent magnetic disk to fix the metal workpiece according to production needs.

[0022] Preferably, a controller or a PLC control system is respectively connected to the first Z-axis module, the second Z-axis module, the Y-axis module, the X-axis module, the milling assembly and the grinding assembly for signal connection. The controller is a PLC programmable logic controller. The PLC programmable logic controller can be a programmable logic controller produced in Shenzhen and model XDS-40T-D, but is not limited to this.

[0023] It should be noted that the first Z-axis module, the second Z-axis module, the Y-axis module and the X-axis module all include a nut fixing seat, and a ball screw is arranged through the center of the nut fixing seat, wherein one end of the ball screw in the first Z-axis module and the second Z-axis module is connected to a lifting motor, and the side of one end of the ball screw in the Y-axis module and the X-axis module is provided with a rotating motor, and the rotating motor in the Y-axis module and the X-axis module is connected to the ball screw through a pulley assembly. The pulley assembly mainly includes two pulleys, one of which is installed on the output shaft of the rotating motor, and the other pulley is installed on one end of the ball screw, and the two pulleys are connected with a belt. The working principle of the pulley assembly is common knowledge and will not be explained in detail here. In other embodiments, the first Z-axis module, the second Z-axis module, the X-axis module and the Y-axis module can also adopt a belt linear module and a gear rack module and other structures that can output reciprocating motion, and the structure that can realize reciprocating motion can be tried and selected, and no specific restrictions are made here. Gantry mount and parallel slide are functional descriptions of the mount and slide, respectively. Grinding motor and milling motor are both functional descriptions of the motor.

[0024] The beneficial effects of the utility model are as follows: 1. By designing the structure of the parallel rail assembly, a V-shaped rail is arranged on the inner side of each parallel rail, and the parallel rail is opposite to the slider, and the V-shaped rail is opposite to the Y-shaped guide bar, so that the workbench can slide smoothly on the base through the relatively arranged parallel rails and slider and the relatively arranged V-shaped rails and Y-shaped guide bar. The design of the V-shaped rail and the Y-shaped guide bar can effectively disperse the load-bearing of the parallel rail on the workbench and the metal workpiece on the workbench, and improve the overall rigidity, sliding stability and sliding accuracy of the parallel rail assembly. It effectively solves the problem that the workbench and the base in the current milling machine or grinding machine generally adopt a conventional single set of rails as the sliding assembly, which makes the workbench and the sliding assembly easily deformed due to frictional heat after working for a long time, and shakes due to deformation during processing and sliding, resulting in unstable sliding, poor sliding accuracy and low processing accuracy of metal workpieces.

[0025] 2. The grinding component and the milling component are integrated on the same device, and the grinding component and the milling component can grind or mill the workpiece at different positions in the Y-axis direction under the drive of the Y-axis module. The grinding component and the milling component can be accurately lowered to the position where grinding or milling is required in the metal workpiece under the drive of the Z-axis module connected thereto for grinding or milling. This eliminates the need to purchase multiple devices for different processes, thereby reducing machine purchase costs and production costs, and effectively solves the problem of low processing efficiency and high processing costs caused by the existing milling machines or grinders that can only perform a single process and the need to hoist metal parts between the milling machine and the grinder to switch between different processing processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] For ease of explanation, the present invention is described in detail with reference to the following preferred embodiments and accompanying drawings.

[0027] Figure 1 It is a three-dimensional diagram of the high-precision milling and grinding machine of the utility model.

[0028] Figure 2 It is a rear view of the assembly of the base, workbench, electro-permanent magnetic disk and gantry mounting seat of the high-precision milling and grinding machine of the utility model.

[0029] Figure 3 This is the assembly front view of the base, workbench, electro-permanent magnetic disk and gantry mounting seat of the high-precision milling and grinding machine of the utility model.

[0030] Figure 4 It is a three-dimensional assembly diagram of the base, workbench and gantry mounting seat of the high-precision milling and grinding machine of the utility model.

[0031] Figure 5This is a stereoscopic diagram of the assembly of the milling component and the grinding component of the high-precision milling and grinding machine of the utility model. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0034] In this embodiment, refer to Figures 1 to 5 As shown, the high-precision milling and grinding machine of the utility model includes a base 1, a workbench 2 is provided on the base 1, a gantry 3 is provided above the base 1, and the two lower ends of the gantry 3 are respectively installed on both sides of the base 1 through the gantry mounting seat 4, and also includes a first Z-axis module 51 and a second Z-axis module 52, and the first Z-axis module 51 and the second Z-axis module 52 are arranged adjacent to each other; a milling component 6 is arranged on the side of the first Z-axis module 51, and is used for milling the workpiece placed on the workbench 2; a grinding component 7 is arranged The side of the second Z-axis module 52 is used for grinding the workpiece placed on the workbench 2; the Y-axis module 8 is arranged on the gantry 3, and is used to drive the first Z-axis module 51 and the second Z-axis module 52 to synchronously reciprocate linearly along the Y-axis direction, so that the milling assembly 6 and the grinding assembly 7 can be accurately positioned at the positions that need to be processed in the workpiece respectively; the workbench 2 is installed on the base 1 through the parallel rail assembly 9, and the workbench 2 can perform reciprocating linearly in the X-axis direction on the base 1 along the parallel rail assembly 9 through the X-axis module 10.

[0035] In one embodiment, the parallel rail assembly 9 includes two V-shaped slide rails 91 respectively installed on both ends of the base 1, and the bottom surface of the workbench 2 is provided with a Y-shaped guide bar 92 used in conjunction with each V-shaped slide rail 91 to improve the sliding stability, rigidity and processing accuracy of the workbench 2, and the V-shaped slide rail 91 and the Y-shaped guide bar 92 are arranged opposite to each other.

[0036] In one embodiment, the parallel rail assembly 9 also includes a parallel rail 93 arranged on the side of each V-shaped rail 91, and the bottom surface of the workbench 2 is also equipped with a slider 94 used in conjunction with each parallel rail 93, and each slider 94 is slidably connected to each parallel rail 93.

[0037] In one embodiment, more than one pair of the V-shaped slide rail 91 , the Y-shaped guide bar 92 , the parallel slide rail 93 and the slider 94 are provided respectively.

[0038] In one embodiment, the grinding assembly 7 includes a grinding motor 71 , a grinding shaft 72 is disposed below the grinding motor 71 , a grinding head 73 is mounted on one end of the grinding shaft 72 , and the other end of the grinding shaft 72 is connected to the grinding motor 71 via a synchronous wheel assembly 74 .

[0039] In one embodiment, the milling assembly 6 includes a milling motor 61 , and a milling head 62 is mounted on the output shaft of the milling motor 61 .

[0040] In one embodiment, the top surface of the workbench 2 is concave downward and has a plurality of T-shaped slots 21 arranged at equal intervals, and two adjacent T-shaped slots 21 are arranged in parallel.

[0041] In one embodiment, an electropermanent magnetic disk 20 is installed on the top surface of the workbench 2, a T-block is installed in the T-slot 21, and the electropermanent magnetic disk 20 is installed and connected to the T-block by screws passing through the first screw holes thereon, so that the electropermanent magnetic disk 20 can be fixedly installed on the workbench 2.

[0042] In one embodiment, second screw holes 22 are provided on both ends and the middle of the workbench 2 .

[0043] In another embodiment, the milling assembly 6 and the grinding assembly 7 can also be provided with a Y-axis module 8 on the side of each Z-axis module according to production needs, so that the two Z-axis modules can be driven by the Y-axis modules 8 connected to them to move closer to or farther away from each other, thereby achieving the ability to adjust the distance between the milling assembly 6 and the grinding assembly 7, making the processing operation on the metal workpiece more flexible.

[0044] In one embodiment, the working principle of the high-precision milling and grinding machine is as follows: it can choose whether to install the electric permanent magnetic disk 20 on the workbench 2 according to the needs of use, and it is through the T-shaped slot 21 on the top surface of the workbench 2, each T-shaped slot 21 is installed with a T-shaped block, when the electric permanent magnetic disk 20 is placed on the workbench 2, the electric permanent magnetic disk 20 is connected with the T-shaped block by screws through the first screw hole on the electric permanent magnetic disk 20 to achieve the electric permanent magnetic disk 20 Fixed and locked on the workbench 2; when the metal workpiece is placed on the electric permanent magnetic disk 20, the electric permanent magnetic disk 20 uses magnetic energy to suck the metal workpiece on it to achieve the fixation of the metal workpiece, thereby avoiding the displacement of the metal workpiece in the process of sliding with the workbench 2 and the process of the milling chip assembly 6 and the grinding assembly 7 processing the metal workpiece respectively, which ensures the high processing accuracy of the metal workpiece. When the metal workpiece is placed on the electric permanent magnetic disk 20, the metal workpiece can slide along the parallel rail assembly 9 to the right below the gantry 3 with the workbench 2 and under the drive of the X-axis module 10. The structure of the parallel rail assembly 9 is designed so that each parallel slide rail 93 in the parallel rail assembly 9 is provided with a V-shaped slide rail 91 on the side thereof, which is opposite to the Y-shaped guide bar 92 on the lower surface of the workbench 2. When the V-shaped slide rail 91 and the Y-shaped guide bar 92 are used in conjunction with each other, they can not only effectively disperse the load of the workbench 2 and the metal workpiece on the workbench 2 on the parallel slide rail 93, but also avoid the workbench 2 and the parallel slide rail 93 being easily deformed due to friction and heat generated after long-term operation, so that the deformed workbench 2 sliding only on the deformed parallel slide rail 93 is prone to shaking during the sliding process and during the process in which the milling assembly 6 and the grinding assembly 7 respectively process the metal workpiece, thereby affecting the processing accuracy of the metal workpiece.

[0045] When the metal workpiece slides along the parallel rail assembly 9 to the bottom of the gantry 3 along with the workbench 2 and driven by the X-axis module 10, the first Z-axis module 51 and the second Z-axis module 52 can move back and forth in a straight line along the Y-axis driven by the Y-axis module 8, so that the milling assembly 6 can be accurately moved to the top of the metal workpiece along with the first Z-axis module 51 and driven by the Y-axis module 8. Then, the milling assembly 6 can be lowered to the processing surface of the metal workpiece driven by the first Z-axis module 51, and when the milling motor 61 of the milling assembly 6 drives the milling head 62 to rotate, the processing surface of the metal workpiece can be milled.

[0046] When the metal workpiece is finished with milling, the first Z-axis module 51 drives the milling assembly 6 to reset and rise. Then, the grinding assembly 7 can be accurately moved to each processing surface of the metal workpiece that needs to be polished after Y-axis movement and downward movement under the joint drive of the Y-axis module 8 and the second Z-axis module 52; when the grinding motor 71 of the grinding assembly 7 drives the grinding head 73 to rotate, the metal workpiece can be polished. When the metal workpiece is finished with polishing, the grinding assembly 7 resets and rises under the drive of the second Z-axis module 52. Finally, the metal workpiece resets and retreats along the parallel rail assembly 9 with the workbench 2 and under the drive of the X-axis module 10 (i.e., moves in the direction away from the gantry 3), so as to facilitate the unloading of the processed metal workpiece and the loading of the next metal workpiece to be processed.

[0047] Its overall structure realizes the ability to complete two different processing steps, milling and grinding, on a metal workpiece on a single device, avoiding the trouble of hoisting metal parts when switching between two different processing equipment, namely a milling machine and a grinder, so that it can not only reduce the purchase cost of the processing equipment to reduce production costs, but also improve processing efficiency; and by designing the structure of the parallel rail assembly 9 to improve the rigidity, sliding stability and sliding accuracy of the parallel rail assembly 9, it can further improve the processing accuracy of the metal workpiece, so as to effectively solve the problem that the parallel slide rail 93 structure of the current milling machine and grinder is easy to deform, causing the workbench 2 to shake easily and affect the processing accuracy of the metal workpiece.

[0048] The above embodiment is only an example of the present invention and is not intended to limit the implementation and scope of rights of the present invention. Any technical solution that is identical or equivalent to the content described in the claims of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision milling and grinding machine comprises a base, a workbench is arranged on the base, a gantry is arranged above the base, and two lower ends of the gantry are respectively mounted on both sides of the base through a gantry mounting seat, and the characteristics are: It also includes a first Z-axis module and a second Z-axis module, and the first Z-axis module is adjacent to the second Z-axis module; A milling assembly is provided on the side of the first Z-axis module and is used for milling the workpiece placed on the workbench; A grinding assembly is provided on the side of the second Z-axis module and is used for grinding the workpiece placed on the workbench; The Y-axis module is arranged on the gantry, and is used to drive the first Z-axis module and the second Z-axis module to synchronously reciprocate and linearly move along the Y-axis direction, so that the milling component and the grinding component can be accurately positioned at the positions that need to be processed in the workpiece respectively; and the first Z-axis module and the second Z-axis module are arranged on the same side of the Y-axis module; The workbench is installed on the base through a parallel rail assembly, and the workbench can perform X-axis reciprocating linear displacement along the parallel rail assembly on the base through an X-axis module; The parallel rail assembly includes two V-shaped slide rails respectively installed on both ends of the base. The bottom surface of the workbench is provided with a Y-shaped guide bar used in conjunction with each V-shaped slide rail to improve the sliding stability, rigidity and processing accuracy of the workbench, and the V-shaped slide rail and the Y-shaped guide bar are arranged opposite to each other.

2. The high-precision milling and grinding machine according to claim 1, characterized in that: The parallel rail assembly also includes parallel rails arranged on the sides of each V-shaped rail. The bottom surface of the workbench is also equipped with a slider used in conjunction with each parallel rail, and each slider is slidably connected to each parallel rail.

3. The high-precision milling and grinding machine according to claim 1, characterized in that: The grinding assembly comprises a grinding motor, a grinding shaft is arranged below the grinding motor, a grinding head is installed at one end of the grinding shaft, and the other end of the grinding shaft is connected and installed with the grinding motor through a synchronous wheel assembly.

4. The high-precision milling and grinding machine according to claim 1, characterized in that: The chip milling assembly comprises a chip milling motor, and a milling head is installed on the output shaft of the chip milling motor.

5. The high-precision milling and grinding machine according to claim 1, characterized in that: The top surface of the workbench is concave downwards and is provided with a plurality of T-shaped grooves at equal intervals, and two adjacent T-shaped grooves are arranged in parallel.

6. The high-precision milling and grinding machine according to claim 5, characterized in that: An electric permanent disk is installed on the top surface of the workbench, a T-block is installed in the T-slot, and the electric permanent disk is installed and connected with the T-block by screws passing through the first screw holes on the electric permanent disk to achieve fixed installation of the electric permanent disk on the workbench.

7. The high-precision milling and grinding machine according to any one of claims 1 or 6, characterized in that: Second screw holes are provided on both ends and the middle of the workbench.

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