An integrated synchronous precision drilling and milling device specifically for small workpieces

Abstract

The present invention discloses an integrated synchronous precision drilling and milling device specifically for small workpieces, comprising a drilling and milling unit, a vertical motion unit, a horizontal motion unit and an intelligent control system, wherein the vertical motion unit is mounted on the horizontal motion unit, the drilling and milling unit is fixed on the horizontal motion unit, and the operation of the drilling and milling unit, the vertical motion unit and the horizontal motion unit is controlled by the intelligent control system. The present invention realizes the function of simultaneously grooving and drilling small workpieces, especially workpieces with a length of 1000 mm and a width of less than 300 mm, by arranging the drilling and milling units on the vertical motion unit and the horizontal motion unit and controlling them by the intelligent control system, thereby saving labor costs.

Description

Technical Field

[0001] The invention belongs to the technical field of furniture processing, and in particular relates to an integrated synchronous precision drilling and milling device specially used for small workpieces. Background Art

[0002] Small drills are widely used in the drilling process of the home furnishing industry. Ordinary small drills are ideal in terms of drilling accuracy and processing speed. They are widely adaptable to workpieces with a length of 1000mm and a width of less than 300mm. If other processes are required on such small workpieces, such as grooving, they need to be completed on other machines, which makes the processing complicated. In addition, its main function is drilling, and the drilling position can be accurate, but the drilling depth control is not accurate. The main power drive is completed by cylinders and compressed air. In general, the existing small workpiece processing devices have the following defects: single function, only drilling; accurate drilling position, but the drilling depth cannot be accurately controlled; pneumatic drive, high energy consumption; the movement speed cannot be controlled, and the air pressure affects the cylinder movement speed. Summary of the invention

[0003] Purpose of the invention: The purpose of the present invention is to address the deficiencies in the prior art and provide an integrated synchronous precision drilling and milling device specifically for small workpieces.

[0004] Technical solution: The integrated synchronous precision drilling and milling device for small workpieces described in the present invention comprises a drilling and milling unit, a vertical motion unit, a horizontal motion unit and an intelligent control system, wherein the vertical motion unit is mounted on the horizontal motion unit, the drilling and milling unit is fixed on the horizontal motion unit, and the operation of the drilling and milling unit, the vertical motion unit and the horizontal motion unit is controlled by the intelligent control system;

[0005] The drilling and milling unit comprises a drilling and milling motor, a drilling and milling cutter head connector, a drilling and milling cutter head and a horizontal movable plate, wherein the drilling and milling cutter head is connected to the drilling and milling motor via the drilling and milling cutter head connector, and the horizontal movable plate is fixed to one side of the drilling and milling motor;

[0006] The horizontal motion unit comprises a horizontal driving motor, a first coupling, a first connecting seat, a horizontal guide frame, a horizontal ball screw group and a pair of horizontal linear guide slider assemblies, the horizontal guide frame has a mounting hole matched with the first coupling, the first connecting seat and the horizontal ball screw, the horizontal ball screw group is installed on the horizontal guide frame, and one end is connected to the horizontal driving motor through the first coupling and the first connecting seat, the two sides of the horizontal guide frame have horizontal guide grooves, and the horizontal guide grooves are matched with the guide sliders on the horizontal linear guide slider assembly; the horizontal linear guide slider assembly is fixed to the horizontal movable plate, and the position corresponds to the horizontal guide groove on the horizontal guide frame, and the load-bearing slider on the horizontal ball screw group is fixedly connected to the horizontal movable plate;

[0007] The vertical motion unit includes a vertical drive motor, a second coupling, a second connecting seat, a vertical guide frame, a vertical movable plate, a vertical ball screw group and a pair of vertical linear guide slider assemblies. The vertical guide frame has a mounting hole matching the second coupling, the second connecting seat and the vertical ball screw. The vertical ball screw group is installed on the vertical guide frame, and one end is connected to the vertical drive motor through the second coupling and the second connecting seat. The vertical guide frame has vertical guide grooves on both sides, and the vertical guide grooves are matched with the guide sliders on the vertical linear guide slider assembly; the vertical linear guide slider assembly is fixed on the vertical movable plate, and its position corresponds to the vertical guide groove on the vertical guide frame. The load-bearing slider on the vertical ball screw group is fixedly connected to the vertical movable plate, and the vertical movable plate is fixedly installed on the tail end of the horizontal guide frame.

[0008] Furthermore, in order to improve the accuracy of drilling depth, the drilling and milling motor is provided with a displacement sensor.

[0009] Furthermore, to facilitate the disassembly and replacement of components, the drilling and milling motor is connected to the horizontal movable plate through a group of detachable connecting components, and the detachable connecting components include a pair of fixed plug-ins, a pair of fixed insert cylinders and a pair of movable auxiliary insert cylinder components; the pair of fixed insert cylinders are fixed on the drilling and milling motor, and the pair of fixed plug-ins are fixed on the horizontal movable plate, and the positions correspond to the fixed plug-ins, the fixed plug-ins are divided into a vertical insertion section and a horizontal insertion section, one end of the vertical insertion section is hinged to one end of the horizontal insertion section, and the top of the vertical insertion section is fixed to the horizontal movable plate, after the fixed plug-in is inserted into the fixed insert cylinder, the vertical insertion section is retained in the fixed insert cylinder, and the horizontal insertion section is extended and folded to 90° on both sides and inserted into the movable auxiliary insert cylinder component for fixing, and the movable auxiliary insert cylinder component is fixed to the position corresponding to the horizontal insertion section on the horizontal movable plate.

[0010] Further, as a preferred embodiment, the movable auxiliary insert cylinder assembly includes a surface auxiliary insert cylinder, an inner auxiliary sleeve and a return spring, the inner auxiliary sleeve is sleeved in the surface auxiliary insert cylinder, and a return spring is provided between the inner auxiliary sleeve and the bottom of the surface auxiliary insert cylinder; a limit stop ring is provided at the port of the surface auxiliary insert cylinder to limit the inner auxiliary sleeve from popping out, and a limit plate is provided at the bottom of the inner auxiliary sleeve.

[0011] Beneficial effects: (1) The present invention arranges the drilling and milling units on the vertical motion unit and the horizontal motion unit and controls them by an intelligent control system, thereby realizing the functions of grooving and drilling small workpieces, especially workpieces with a length of 1000mm and a width of less than 300mm, and saving labor costs; (2) The drilling and milling motor is provided with a displacement sensor. During the drilling process, the intelligent control system controls the progress of the drilling and grooving operations according to the feedback signal of the displacement sensor, thereby achieving high-precision drilling and grooving depth; (3) By arranging a detachable connecting component between the drilling and milling motor and the horizontal movable plate, on the one hand, it is convenient for installation and improves the installation efficiency; on the other hand, when the drilling and milling motor needs to be repaired and replaced, it is convenient to disassemble and assemble the drilling and milling motor, thereby improving the maintenance efficiency of the equipment; (4) The driving devices of the drilling and milling unit, the vertical motion unit and the horizontal motion unit in the present equipment all adopt servo motors. Compared with the traditional cylinder drive, it directly converts electrical energy into mechanical energy, is more energy-saving, and has a stable mechanical movement speed. Compared with the cylinder drive, there will be no problem of fast or slow movement due to air pressure fluctuations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention;

[0013] Figure 2 It is a schematic diagram of the overall structure of the vertical motion unit of the present invention;

[0014] Figure 3 It is a schematic diagram of the structural explosion of the vertical motion unit of the present invention;

[0015] Figure 4 It is a schematic diagram of the overall structure of the horizontal motion unit of the present invention;

[0016] Figure 5 It is a schematic diagram of the structure explosion of the horizontal motion unit of the present invention;

[0017] Figure 6 It is a structural schematic diagram of the detachable connection assembly in the present invention;

[0018] Figure 7 It is a structural schematic diagram of the movable auxiliary inserting cylinder assembly in the present invention;

[0019] Wherein: 1. drilling and milling unit, 11. drilling and milling motor, 111. displacement sensor, 12. drilling and milling cutter head connector, 13. drilling and milling cutter head, 14. horizontal movable plate, 2. vertical motion unit, 21. vertical drive motor, 22. second coupling, 23. second connecting seat, 24. vertical guide frame, 25. vertical movable plate, 26. vertical ball screw group, 261. vertical ball screw, 262. vertical load-bearing slider, 27. vertical linear guide slider assembly, 3. horizontal motion unit, 31. horizontal drive motor, 32. first Coupling, 33, first connecting seat, 34, horizontal guide frame, 35, horizontal ball screw group, 351, horizontal ball screw, 352, horizontal load-bearing slider, 36, horizontal linear guide slider assembly, 361, horizontal linear guide slider, 4, detachable connection assembly, 41, fixed plug-in, 411, vertical insertion section, 412, horizontal insertion section, 42, movable auxiliary plug-in assembly, 421, surface auxiliary plug-in, 422, inner auxiliary sleeve reset spring, 4211, limit ring, 4221, inner auxiliary sleeve. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0021] Embodiment: An integrated synchronous precision drilling and milling device specially used for small workpieces, comprising a drilling and milling unit 1, a vertical motion unit 2, a horizontal motion unit 3 and an intelligent control system, wherein the vertical motion unit 2 is mounted on the horizontal motion unit 3, the drilling and milling unit 1 is fixed on the horizontal motion unit 3, and the operation of the drilling and milling unit 1, the vertical motion unit 2 and the horizontal motion unit 3 is controlled by the intelligent control system;

[0022] The drilling and milling unit 1 comprises a drilling and milling motor 11, a drilling and milling cutter head connector 12, a drilling and milling cutter head 13 and a horizontal movable plate 14. The drilling and milling cutter head 13 is connected to the drilling and milling motor 11 through the drilling and milling cutter head connector 12. The horizontal movable plate 14 is fixed to one side of the drilling and milling motor 11. The drilling and milling motor 11 is provided with a displacement sensor 111.

[0023] The horizontal motion unit 3 includes a horizontal drive motor 31, a first coupling 32, a first connecting seat 33, a horizontal guide frame 34, a horizontal ball screw group 35 and a pair of horizontal linear guide slider assemblies 36. The horizontal guide frame 34 has a mounting hole matching the first coupling 32, the first connecting seat 33 and the horizontal ball screw 351. The horizontal ball screw group 35 is installed on the horizontal guide frame 34, and one end is connected to the horizontal drive motor 31 through the first coupling 32 and the first connecting seat 33. Both sides of the horizontal guide frame 34 have horizontal guide grooves, and the horizontal guide grooves are matched with the guide slider 361 on the horizontal linear guide slider assembly 36; the horizontal linear guide slider assembly 36 is fixed on the horizontal movable plate 14, and the position corresponds to the horizontal guide groove on the horizontal guide frame 34. The load-bearing slider 352 on the horizontal ball screw group 35 is fixedly connected to the horizontal movable plate 14;

[0024] The drilling and milling motor 11 is connected to the horizontal movable plate 14 through a set of detachable connection components 4, and the detachable connection components 4 include a pair of fixed plug-ins 41, a pair of fixed plug-ins and a pair of movable auxiliary plug-in components 43; the pair of fixed plug-ins are fixed on the drilling and milling motor 11, and the pair of fixed plug-ins 41 are fixed on the horizontal movable plate 14, and the position corresponds to the fixed plug-ins, and the fixed plug-ins 41 are divided into a vertical insertion section 411 and a horizontal insertion section 412. One end of the vertical insertion section 411 is hinged to one end of the horizontal insertion section 412, and the top of the vertical insertion section 411 is hinged and fixed on the horizontal movable plate 14. After the fixed plug-in 41 is inserted into the fixed plug-in cylinder, the vertical insertion section 411 is retained in the fixed plug-in cylinder, and the horizontal insertion section 412 is extended and folded to 90° on both sides and inserted into the movable auxiliary plug-in cylinder assembly 42 for fixing. The movable auxiliary plug-in cylinder assembly 42 is fixed at a position on the horizontal movable plate 14 corresponding to the horizontal insertion section 412.

[0025] The movable auxiliary insert cylinder assembly 42 includes a surface auxiliary insert cylinder 421, an inner auxiliary sleeve 422 and a return spring 423. The inner auxiliary sleeve 422 is sleeved in the surface auxiliary insert cylinder 421, and a return spring 423 is provided between the inner auxiliary sleeve 422 and the bottom of the surface auxiliary insert cylinder 421; a limit ring 4211 is provided at the port of the surface auxiliary insert cylinder 421 to limit the inner auxiliary sleeve 422 from popping out, and a limit plate 4221 is provided at the bottom of the inner auxiliary sleeve.

[0026] The vertical motion unit 2 includes a vertical drive motor 21, a second coupling 22, a second connecting seat 23, a vertical guide frame 24, a vertical movable plate 25, a vertical ball screw group 26 and a pair of vertical linear guide slider assemblies 27. The vertical guide frame 24 has mounting holes that match the second coupling 22, the second connecting seat 23 and the vertical ball screw 261. The vertical ball screw group 26 is installed on the vertical guide frame 24, and one end is connected to the vertical drive motor 21 through the second coupling 22 and the second connecting seat 23. The vertical guide frame 24 is connected, with vertical guide grooves 241 on both sides, and the vertical guide grooves 241 are matched with the guide sliders 271 on the vertical linear guide slider assembly 27; the vertical linear guide slider assembly 27 is fixed on the vertical movable plate 25, and its position corresponds to the vertical guide grooves 241 on the vertical guide frame 24, the load-bearing slider 262 on the vertical ball screw group 26 is fixedly connected to the vertical movable plate 25, and the vertical movable plate 25 is fixedly installed on the tail end of the horizontal guide frame 34.

[0027] In the present device, the drilling and milling motor 11, the horizontal drive motor 31 and the vertical drive motor 21 are all servo motors.

[0028] The operation process of the equipment is specifically as follows: start the device, when drilling is required, the intelligent control system starts the vertical motion unit 2 according to the programming, and the vertical ball screw 261 starts to rotate under the drive of the vertical drive motor 21, and the load-bearing slider 352 on the ball screw realizes up and down movement, driving the entire horizontal motion unit 3 to move up and down; at this time, the drilling and milling unit 1 fixed on the horizontal moving unit 3 realizes the function of moving up and down until it moves to the target position, and according to the displacement feedback of the displacement sensor 111 on the drilling and milling motor 11, the intelligent control system accurately controls to achieve the accuracy of the drilling depth; when grooving is required, after the vertical motion unit 2 is running, the horizontal motion unit 3 starts to run, and the horizontal drive motor 31 starts to move, driving the drilling and milling cutter to move in the horizontal direction to realize the function of grooving; during the process, the displacement sensor 111 plays the same displacement feedback function to achieve precise grooving operations.

[0029] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the present invention itself. Various changes in form and details may be made without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. An integrated synchronous precision drilling and milling device specifically for small workpieces, characterized in that: It includes a drilling and milling unit, a vertical motion unit, a horizontal motion unit and an intelligent control system, wherein the vertical motion unit is mounted on the horizontal motion unit, the drilling and milling unit is fixed on the horizontal motion unit, and the operation of the drilling and milling unit, the vertical motion unit and the horizontal motion unit is controlled by the intelligent control system; The drilling and milling unit comprises a drilling and milling motor, a drilling and milling cutter head connector, a drilling and milling cutter head and a horizontal movable plate, wherein the drilling and milling cutter head is connected to the drilling and milling motor via the drilling and milling cutter head connector, and the horizontal movable plate is fixed to one side of the drilling and milling motor; The horizontal motion unit comprises a horizontal driving motor, a first coupling, a first connecting seat, a horizontal guide frame, a horizontal ball screw group and a pair of horizontal linear guide slider assemblies, the horizontal guide frame has a mounting hole matched with the first coupling, the first connecting seat and the horizontal ball screw, the horizontal ball screw group is installed on the horizontal guide frame, and one end is connected to the horizontal driving motor through the first coupling and the first connecting seat, the two sides of the horizontal guide frame have horizontal guide grooves, and the horizontal guide grooves are matched with the guide sliders on the horizontal linear guide slider assembly; the horizontal linear guide slider assembly is fixed to the horizontal movable plate, and the position corresponds to the horizontal guide groove on the horizontal guide frame, and the load-bearing slider on the horizontal ball screw group is fixedly connected to the horizontal movable plate; The vertical motion unit comprises a vertical driving motor, a second coupling, a second connecting seat, a vertical guide frame, a vertical movable plate, a vertical ball screw group and a pair of vertical linear guide slider assemblies, the vertical guide frame has a mounting hole matching the second coupling, the second connecting seat and the vertical ball screw, the vertical ball screw group is installed on the vertical guide frame, and one end is connected to the vertical driving motor through the second coupling and the second connecting seat, the two sides of the vertical guide frame have vertical guide slots, and the vertical guide slots are matched with the guide sliders on the vertical linear guide slider assembly; the vertical linear guide slider assembly is fixed to the vertical movable plate, and the position corresponds to the vertical guide slot on the vertical guide frame, the load-bearing slider on the vertical ball screw group is fixedly connected to the vertical movable plate, and the vertical movable plate is fixedly installed on the tail end of the horizontal guide frame; The drilling and milling motor is provided with a displacement sensor; The drilling and milling motor is connected to the horizontal movable plate through a group of detachable connection components, and the detachable connection components include a pair of fixed plug-ins, a pair of fixed plug-ins and a pair of movable auxiliary plug-in components; the pair of fixed plug-ins are fixed on the drilling and milling motor, and the pair of fixed plug-ins are fixed on the horizontal movable plate, and the positions correspond to the fixed plug-ins, the fixed plug-ins are divided into a vertical insertion section and a horizontal insertion section, one end of the vertical insertion section is hinged to one end of the horizontal insertion section, and the top of the vertical insertion section is fixed to the horizontal movable plate, after the fixed plug-in is inserted into the fixed plug-in, the vertical insertion section is retained in the fixed plug-in, and the horizontal insertion section is extended and folded to 90° on both sides and inserted into the movable auxiliary plug-in component for fixing, and the movable auxiliary plug-in component is fixed on the horizontal movable plate at a position corresponding to the horizontal insertion section; The movable auxiliary insert cylinder assembly comprises a surface auxiliary insert cylinder, an inner auxiliary sleeve and a reset spring. The inner auxiliary sleeve is sleeved in the surface auxiliary insert cylinder, and a reset spring is provided between the inner auxiliary sleeve and the bottom of the surface auxiliary insert cylinder. A limit ring is provided at the port of the surface auxiliary insert cylinder to limit the inner auxiliary sleeve from popping out, and a limit plate is provided at the bottom of the inner auxiliary sleeve.

Images