Multi-station machining numerical control machine tool

Abstract

The utility model discloses a multi-station machining numerical control machine tool, which belongs to the field of multi-station machining and comprises a base station. An inner support clamping mechanism used for conducting inner support avoiding clamping on the flange plate is installed on the base table. A self-rotation drilling mechanism used for drilling the flange plate and driving the flange plate to rotate is installed on the base table. The self-rotating drilling mechanism comprises a drilling assembly, a rotating transmission assembly, a one-way rotating assembly, a workpiece rotating assembly and a positioning mechanism. The base table and the rotary transmission assembly are both connected with the drilling assembly. The base table and the one-way rotating assembly are both connected with the rotating transmission assembly. The base table and the workpiece rotating assembly are both connected with the one-way rotating assembly. The drilling assembly and the base table are both connected with the positioning mechanism. By means of the mode, after the flange plate is drilled through the self-rotating drilling mechanism, the flange plate is automatically rotated to the next position, and machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to multi -station processing field, concretely relates to a multi -station processing numerical control machine tool. BACKGROUND

[0002] Flange drilling is a process of machining bolt connection holes on the surface of a flange, which is usually completed by a numerical control drilling machine, a machining center or a special multi -spindle drilling machine; the multi -station processing numerical control machine tool is a high -efficient automatic equipment, which can continuously complete turning, milling, drilling and tapping and other processes on one machine tool through the integration of multiple processing stations (such as a rotary worktable or parallel spindles) and the precise control of a numerical control system, significantly reducing the workpiece clamping time and process circulation, and being suitable for the machining of large quantities of high-precision complex parts, and having the characteristics of flexibility and high efficiency, and being widely used in the fields of automobiles, aerospace and the like.

[0003] Chinese patent CN214109966U discloses a multi -station numerical control machine tool for PCB cutters, which comprises a base, a rotating device, a mechanical arm device, a slotting device, an edge grinding device and a edge cleaning processing device; the rotating device is columnar structure and is arranged at the center position of the base, four clamps for clamping materials are arranged at the four quarter positions of the side surface of the rotating device, and the rotating device can rotate around its axis; the mechanical arm device, the slotting device, the edge grinding device and the edge cleaning processing device are arranged at the four quarter positions around the rotating device. The multi -station numerical control machine tool for PCB cutters rotates the rotating device in sequence to complete the processes of feeding, slotting, edge grinding, edge cleaning processing and discharging during machining. Four raw materials can be installed on the equipment for machining at a time, which greatly improves the machining efficiency; however, the device still has the following problems:

[0004] When drilling the flange, multiple machine tools need to be matched, the power consumption is large, and the flange does not rotate when rotating, so the machine tool needs to change the drilling position one by one, which takes a long time.

[0005] Therefore, the utility model designs a multi -station processing numerical control machine tool to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a multi -station processing numerical control machine tool.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] A multi -station processing numerical control machine tool, comprising a base;

[0009] The base is provided with an inner supporting clamping mechanism for inner supporting and avoiding clamping of the flange;

[0010] The base is provided with a self-rotating drilling mechanism for drilling the flange plate and driving the flange plate to rotate;

[0011] The self-rotating drilling mechanism comprises a drilling assembly, a rotating transmission assembly, a one-way rotating assembly, a workpiece rotating assembly and a positioning mechanism; the base and the rotating transmission assembly are connected with the drilling assembly; the base and the one-way rotating assembly are connected with the rotating transmission assembly; the base and the workpiece rotating assembly are connected with the one-way rotating assembly; the drilling assembly and the base are connected with the positioning mechanism; the drilling assembly is used for drilling the flange plate and driving the rotating transmission assembly; the rotating transmission assembly is used for linking the drilling assembly with the one-way rotating assembly; the one-way rotating assembly is used for controlling the one-way rotation of the workpiece rotating assembly; the workpiece rotating assembly is used for driving the flange plate to rotate; and the positioning mechanism is used for fixing the flange plate when the drilling assembly drills the flange plate.

[0012] Further, the drilling assembly comprises a drilling machine, a sleeve, a cylinder and a limiting slide rod; the cylinder and the limiting slide rod are fixedly connected with the inner top of the base; the driving end of the cylinder is fixedly connected with the sleeve; the lower end of the limiting slide rod is fixedly connected with the base through a fixed plate; the left end of the sleeve is limitingly and slidably connected with the limiting slide rod; and the sleeve is connected with the rotating transmission assembly.

[0013] Further, the rotating transmission assembly comprises a sliding shaft one and a rotating cylinder; the upper end of the rotating cylinder is rotationally connected with the base; the rotating cylinder is connected with the one-way rotating assembly; the front lower side of the rotating cylinder is rotationally connected with the sliding shaft one; a limiting groove is formed in the sleeve; the limiting groove is divided into a vertical segment and an inclined segment; and the sliding shaft one is limitingly and slidably connected with the sleeve through the limiting groove.

[0014] Further, the one-way rotating assembly comprises a ratchet ring, a clamping block two, a compression spring and a one-way rotating shaft; the ratchet ring is fixedly installed on the inner side of the rotating cylinder; the ratchet ring is clamped with one end of the clamping block two; the other end of the clamping block two is rotationally connected with the one-way rotating shaft through a bearing; one end of the compression spring is fixedly connected with the clamping block two; the other end of the compression spring is fixedly connected with the one-way rotating shaft; the upper end of the one-way rotating shaft is rotationally connected with the base; and the one-way rotating shaft is connected with the workpiece rotating assembly.

[0015] Further, the workpiece rotating assembly comprises a sliding shaft two, a cross block, a cross groove and a rotating table; the sliding shaft two is limitingly and slidably connected with the one-way rotating shaft through a sliding groove formed in the inner side of the one-way rotating shaft; the lower end of the sliding shaft two is fixedly connected with the cross block; the rotating table is rotationally connected with the base; the cross groove is formed in the rotating table; the cross block is clamped with the cross groove; and the sliding shaft two is connected with the inner supporting clamping mechanism.

[0016] Further, the positioning mechanism comprises a positioning pin; a plurality of positioning holes are circumferentially formed in the rotating table; the lower end of the sleeve is fixedly connected with a plurality of positioning pins; and the positioning pins are inserted into the positioning holes.

[0017] Further, the inner support clamping mechanism comprises a clamping driving mechanism and an inner support and fixing assembly; the sliding shaft two, the one-way rotating shaft and the inner support and fixing assembly are connected with the clamping driving mechanism; the rotary table is connected with the inner support and fixing assembly; the clamping driving mechanism is used for driving the inner support and fixing assembly; and the inner support and fixing assembly is used for clamping the flange plate after avoiding the flange plate.

[0018] Further, the clamping driving mechanism comprises a fixing frame, a supporting rod and a spring; the fixing frame is fixedly connected with the sliding shaft two, and a plurality of supporting rods are arranged in the circumferential direction on the side surface of the fixing frame and are hinged with the fixing frame; one end of the spring is fixedly connected with the fixing frame, and the other end of the spring is fixedly connected with the one-way rotating shaft.

[0019] Compared with the prior art, the utility model has the advantages that: 1, the utility model discloses a flange plate is rotated to the next position automatically after being bored by the self-rotating drilling mechanism, and the processing efficiency is increased.

[0020] 2, the utility model discloses a flange plate is conveniently avoided and fixed by the inner support clamp. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0022] Figure 1 It is a perspective view of the multi-station machining numerical control machine tool of the utility model Figure 1 ;

[0023] Figure 2 It is a front view of the multi-station machining numerical control machine tool of the utility model;

[0024] Figure 3 It is a perspective view of the multi-station machining numerical control machine tool of the utility model Figure 2 ;

[0025] Figure 4 It is a perspective view along the A-A direction of Figure 2 ;

[0026] Figure 5 It is an enlarged view of B in Figure 3 ;

[0027] The reference numerals in the drawings respectively represent:

[0028] 1. Base; 2. Internal support clamping mechanism; 21. Clamping drive mechanism; 211. Fixing frame; 212. Support rod; 213. Spring; 22. Internal support and fixing assembly; 221. Internal support block; 222. Locking block one; 223. Locking groove; 3. Self-rotating drilling mechanism; 31. Drilling assembly; 311. Drill; 312. Sleeve; 313. Cylinder; 314. Limiting slide rod; 32. Rotary transmission assembly; 321. Limiting groove; 322. Sliding shaft one; 323. Rotary drum; 33. One-way rotation assembly; 331. Ratchet ring; 332. Locking block two; 334. Compression spring; 335. One-way rotating shaft; 34. Workpiece rotation assembly; 341. Sliding shaft two; 342. Cross block; 343. Cross groove; 344. Turntable; 35. Positioning mechanism; 351. Positioning pin; 352. Positioning hole. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] The terms "left", "right", "front", "back", "up", and "down" used in the following description refer to the orientation from the perspective of the front view.

[0031] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-5 A multi-station CNC machine tool, including a base 1;

[0032] An internal support clamping mechanism 2 for internally supporting and clamping the flange is installed on the base 1;

[0033] The base 1 is equipped with a self-rotating drilling mechanism 3 for drilling holes in the flange and driving the flange to rotate.

[0034] like Figure 2As shown, the self-rotating drilling mechanism 3 comprises a drilling assembly 31, a rotary transmission assembly 32, a one-way rotating assembly 33, a workpiece rotating assembly 34 and a positioning mechanism 35; the base 1 and the rotary transmission assembly 32 are connected with the drilling assembly 31; the base 1 and the one-way rotating assembly 33 are connected with the rotary transmission assembly 32; the base 1 and the workpiece rotating assembly 34 are connected with the one-way rotating assembly 33; the drilling assembly 31 and the base 1 are connected with the positioning mechanism 35; the drilling assembly 31 is used for drilling the flange plate and driving the rotary transmission assembly 32; the rotary transmission assembly 32 is used for linking the drilling assembly 31 with the one-way rotating assembly 33; the one-way rotating assembly 33 is used for controlling the one-way rotation of the workpiece rotating assembly 34; the workpiece rotating assembly 34 is used for driving the flange plate to rotate; the positioning mechanism 35 is used for fixing the flange plate when the drilling assembly 31 drills the flange plate;

[0035] In the utility model, the operator places the flange plate on the positioning mechanism 35, drives the inner support clamping mechanism 2 to fix the flange plate, and then the drilling assembly 31 drills the flange plate; the positioning mechanism 35 fixes the flange plate while drilling to prevent the flange plate from moving due to mechanical vibration; after drilling, the drilling assembly 31 moves upwards to drive the rotary transmission assembly 32 to transmit to the one-way rotating assembly 33; the one-way rotating assembly 33 drives the flange plate to rotate to the next drilling position through the workpiece rotating assembly 34, and then the drilling assembly 31 continues to drill the flange plate; the fixing of the flange plate and the automatic rotation of the flange plate to the next drilling position after drilling are realized.

[0036] The drilling assembly 31 comprises a drilling machine 311, a sleeve 312, a cylinder 313 and a limiting sliding rod 314; the upper ends of the cylinder 313 and the limiting sliding rod 314 are fixedly connected with the inner top of the base 1, the driving end of the cylinder 313 is fixedly connected with the sleeve 312, and the lower end of the limiting sliding rod 314 is fixedly connected with the base 1 through a fixed plate; the left end of the sleeve 312 is limitingly and slidably connected with the limiting sliding rod 314; the sleeve 312 is connected with the rotary transmission assembly 32;

[0037] The drilling machine 311 adopts mature technology in the field, for example, the motor drilling machine disclosed in Chinese patent CN213317880U, which will not be described in detail here;

[0038] The rotary transmission assembly 32 comprises a sliding shaft one 322 and a rotating cylinder 323; the upper end of the rotating cylinder 323 is rotationally connected with the base 1; the rotating cylinder 323 is connected with the one-way rotating assembly 33; the front lower side of the rotating cylinder 323 is rotationally connected with the sliding shaft one 322; a limiting groove 321 is formed in the sleeve 312, and the limiting groove 321 is divided into a vertical section and an inclined section; the sliding shaft one 322 is limitingly and slidably connected with the sleeve 312 through the limiting groove 321;

[0039] The one-way rotating component 33 comprises a ratchet ring 331, a clamping block two 332, a compression spring 334 and a one-way rotating shaft 335; the ratchet ring 331 is fixedly installed on the inner side of the rotating drum 323; the ratchet ring 331 is clamped with one end of the clamping block two 332; the other end of the clamping block two 332 is rotationally connected with the one-way rotating shaft 335 through a bearing, one end of the compression spring 334 is fixedly connected with the clamping block two 332, the other end of the compression spring 334 is fixedly connected with the one-way rotating shaft 335, and the upper end of the one-way rotating shaft 335 is rotationally connected with the base 1; the one-way rotating shaft 335 is connected with the workpiece rotating component 34;

[0040] The workpiece rotating component 34 comprises a sliding shaft two 341, a cross block 342, a cross groove 343 and a rotating table 344; the sliding shaft two 341 is limitingly and slidably connected with the one-way rotating shaft 335 through a sliding groove formed in the inner side of the one-way rotating shaft 335, and the lower end of the sliding shaft two 341 is fixedly connected with the cross block 342; the rotating table 344 is rotationally connected with the base 1, the cross groove 343 is formed in the rotating table 344, the cross block 342 is clamped with the cross groove 343, and the sliding shaft two 341 is connected with the inner support clamping mechanism 2;

[0041] The positioning mechanism 35 comprises a positioning pin 351; a plurality of positioning holes 352 are circumferentially and arrayedly formed in the rotating table 344, and the lower end of the sleeve 312 is fixedly connected with the plurality of positioning pins 351; the positioning pin 351 is inserted into the positioning hole 352;

[0042] In the utility model, the cylinder 313 drives the sleeve 312 to move downwards, the sleeve 312 moves downwards to drive the rotating drum 323 to rotate through the limiting groove 321 and the sliding shaft one 322, the rotating drum 323 rotates clockwise at this time, the ratchet ring 331 rotates clockwise to press down the clamping block two 332, so that the rotating drum 323 cannot drive the one-way rotating shaft 335 to rotate; meanwhile, the positioning pin 351 is inserted into the positioning hole 352 to fix the flange plate, the drilling machine 311 contacts the flange plate to drill the flange plate, after drilling is completed, the cylinder 313 drives the sleeve 312 to move upwards, the sleeve 312 moves upwards to drive the positioning pin 351 to be extracted from the positioning hole 352, at this time, the sliding shaft one 322 slides in the vertical section of the limiting groove 321 and cannot drive the rotating drum 323 to rotate; after the positioning pin 351 is completely extracted from the positioning hole 352; the sliding shaft one 322 enters the oblique section of the limiting groove 321 to slide, the sliding shaft one 322 drives the rotating drum 323 to rotate at this time, the rotating drum 323 drives the one-way rotating shaft 335 to rotate through the cooperation of the ratchet ring 331 and the clamping block two 332, the one-way rotating shaft 335 drives the sliding shaft two 341 to rotate, the sliding shaft two 341 drives the rotating table 344 to rotate through the cooperation of the cross block 342 and the cross groove 343, and the rotating table 344 drives the flange plate to complete rotation through the cooperation of the inner support clamping mechanism 2, so that the flange plate is fixed and automatically rotated to the next drilling position after drilling.

[0043] The inner support clamping mechanism 2 comprises a clamping driving mechanism 21 and an inner support and fixing assembly 22; the sliding shaft two 341, the one-way rotating shaft 335 and the inner support and fixing assembly 22 are connected with the clamping driving mechanism 21; the rotating table 344 is connected with the inner support and fixing assembly 22; the clamping driving mechanism 21 is used for driving the inner support and fixing assembly 22; the inner support and fixing assembly 22 is used for clamping the flange plate after avoiding the flange plate;

[0044] As shown in Figure 2 The clamping driving mechanism 21 comprises a fixing frame 211, a supporting rod 212 and a spring 213; the fixing frame 211 is fixedly connected with the sliding shaft two 341, and a plurality of supporting rods 212 are arranged in the circumferential direction on the side of the fixing frame 211 and are hinged to the fixing frame 211; one end of the spring 213 is fixedly connected with the fixing frame 211, and the other end of the spring 213 is fixedly connected with the one-way rotating shaft 335;

[0045] The inner support and fixing assembly 22 comprises an inner support block 221 and a clamping block one 222; one end of each supporting rod 212 away from the fixing frame 211 is hinged to one inner support block 221; clamping grooves 223 are formed in the sliding shaft two 341 and the one-way rotating shaft 335, and the clamping block one 222 is inserted into the sliding shaft two 341 and the one-way rotating shaft 335 through the clamping grooves 223;

[0046] In the utility model, the operator places the flange plate above the inner part of the rotating table 344, then pulls down the fixing frame 211, the fixing frame 211 drives the sliding shaft two 341 and the supporting rod 212 to move downwards, the supporting rod 212 drives the inner support block 221 to move downwards, the inner support block 221 contacts the rotating table 344 after moving downwards, because the contact side of the inner support block 221 is provided with a round corner, the inner support block 221 rotates through the rotating shaft and the supporting rod 212 first, then the inner support block 221 slides with the rotating table 344, until all the inner support blocks 221 abut against the flange plate to realize the fixation of the flange plate, at this time, the clamping grooves 223 formed in the sliding shaft two 341 are aligned with the clamping grooves 223 formed in the one-way rotating shaft 335, the clamping block one 222 is inserted into the clamping grooves 223 to realize the fixation of the positions of the sliding shaft two 341 and the one-way rotating shaft 335, and the avoidance and fixation of the flange plate are realized.

[0047] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A numerically controlled machine tool for multi-station machining, comprising a base (1), characterized in that: It also comprises an inner support clamping mechanism (2) and a self-rotation drilling mechanism (3); The base (1) is provided with an inner support clamping mechanism (2) for clamping the flange plate; The base (1) is provided with a self-rotation drilling mechanism (3) for drilling the flange plate and driving the flange plate to rotate. The self-rotation drilling mechanism (3) comprises a drilling assembly (31), a rotation transmission assembly (32), a one-way rotation assembly (33), a workpiece rotation assembly (34) and a positioning mechanism (35); the base (1) and the rotation transmission assembly (32) are connected with the drilling assembly (31); the base (1) and the one-way rotation assembly (33) are connected with the rotation transmission assembly (32); the base (1) and the workpiece rotation assembly (34) are connected with the one-way rotation assembly (33); the drilling assembly (31) and the base (1) are connected with the positioning mechanism (35); the drilling assembly (31) is used for drilling the flange plate and driving the rotation transmission assembly (32); the rotation transmission assembly (32) is used for linking the drilling assembly (31) with the one-way rotation assembly (33); the one-way rotation assembly (33) is used for controlling the one-way rotation of the workpiece rotation assembly (34); the workpiece rotation assembly (34) is used for driving the flange plate to rotate; and the positioning mechanism (35) is used for fixing the flange plate when the drilling assembly (31) drills the flange plate.

2. The numerically controlled machine tool for multi-station machining according to claim 1, characterized in that, The drilling assembly (31) comprises a drilling machine (311), a sleeve (312), a cylinder (313) and a limiting slide rod (314); the upper ends of the cylinder (313) and the limiting slide rod (314) are fixedly connected with the inner top of the base (1), the driving end of the cylinder (313) is fixedly connected with the sleeve (312), the lower end of the limiting slide rod (314) is fixedly connected with the base (1) through a fixed plate; the left end of the sleeve (312) is limitingly and slidably connected with the limiting slide rod (314); and the sleeve (312) is connected with the rotation transmission assembly (32).

3. The numerically controlled machine tool for multi-station machining according to claim 2, characterized in that, The rotation transmission assembly (32) comprises a sliding shaft one (322) and a rotating cylinder (323); the upper end of the rotating cylinder (323) is rotationally connected with the base (1); the rotating cylinder (323) is connected with the one-way rotation assembly (33); the front end of the rotating cylinder (323) is rotationally connected with the sliding shaft one (322) on the lower side; a limiting groove (321) is formed in the sleeve (312); the limiting groove (321) is divided into a vertical section and an inclined section; and the sliding shaft one (322) is limitingly and slidably connected with the sleeve (312) through the limiting groove (321).

4. The numerically controlled machine tool for multi-station machining according to claim 3, characterized in that, The one-way rotating component (33) comprises a ratchet ring (331), a clamping block two (332), a compression spring (334) and a one-way rotating shaft (335); the ratchet ring (331) is fixedly installed on the inner side of the rotating drum (323); the ratchet ring (331) is connected with one end of the clamping block two (332); the other end of the clamping block two (332) is rotatably connected with the one-way rotating shaft (335) through a bearing, one end of the compression spring (334) is fixedly connected with the clamping block two (332), the other end of the compression spring (334) is fixedly connected with the one-way rotating shaft (335), and the upper end of the one-way rotating shaft (335) is rotatably connected with the base (1); the one-way rotating shaft (335) is connected with the workpiece rotating component (34).

5. The numerically controlled machine tool for multi-station machining according to claim 4, characterized in that, The workpiece rotating component (34) comprises a sliding shaft two (341), a cross block (342), a cross groove (343) and a rotating table (344); the sliding shaft two (341) is limitingly and slidably connected with the one-way rotating shaft (335) through a sliding groove formed in the inner side of the one-way rotating shaft (335), and the lower end of the sliding shaft two (341) is fixedly connected with the cross block (342); the rotating table (344) is rotatably connected with the base (1), the cross groove (343) is formed in the rotating table (344), the cross block (342) is connected with the cross groove (343), and the sliding shaft two (341) is connected with the inner support clamping mechanism (2).

6. The numerically controlled machine tool for multi-station machining according to claim 5, characterized in that, The positioning mechanism (35) comprises a positioning pin (351); a plurality of positioning holes (352) are circumferentially and arrayed on the rotating table (344), and the lower end of the sleeve (312) is fixedly connected with the plurality of positioning pins (351); and the positioning pin (351) is inserted into the positioning hole (352).

7. The numerically controlled machine tool for multi-station machining according to claim 5, characterized by The inner support clamping mechanism (2) comprises a clamping driving mechanism (21) and an inner support and fixing component (22); the sliding shaft two (341), the one-way rotating shaft (335) and the inner support and fixing component (22) are connected with the clamping driving mechanism (21); the rotating table (344) is connected with the inner support and fixing component (22); the clamping driving mechanism (21) is used for driving the inner support and fixing component (22); and the inner support and fixing component (22) is used for clamping the flange plate after avoiding.

8. The numerically controlled machine tool for multi-station machining according to claim 7, characterized by The clamping driving mechanism (21) comprises a fixed frame (211), a supporting rod (212) and a spring (213); the fixed frame (211) is fixedly connected with the sliding shaft two (341), a plurality of supporting rods (212) are circumferentially and arrayed on the side surface of the fixed frame (211), and the supporting rod (212) is hinged with the fixed frame (211); one end of the spring (213) is fixedly connected with the fixed frame (211), and the other end of the spring (213) is fixedly connected with the one-way rotating shaft (335).

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