High-stability B-axis turning and milling main shaft

Abstract

The utility model relates to a high-stability B-axis turning and milling spindle, which belongs to the technical field of turning and milling spindles and comprises a machine tool seat, two sliding rails are fixedly connected to the top surface of the machine tool seat, two sliding blocks are slidably connected to the two sliding rails, a mounting seat is placed among the top surfaces of the four sliding blocks, and the mounting seat is fixedly connected with the machine tool seat. A turning and milling spindle is fixedly mounted on the top face of the mounting base, and two mounting frames are fixedly connected to the bottom face of the mounting base. According to the high-stability B-axis turning and milling main shaft, through cooperation of the multiple sliding blocks, the multiple positioning blocks and the multiple positioning grooves, the installation base is supported, the stability of the turning and milling main shaft fixedly installed on the installation base is improved, through cooperation of the clamping plates and the clamping grooves, the positioning blocks are fixed, the stability of the positioning blocks is improved, and meanwhile the stability of the turning and milling main shaft is improved. And through threaded connection between the driving rod and the screw rod, the clamping plate is driven to move, operation by workers is facilitated, the turning and milling main shaft is conveniently disassembled and assembled, and more convenience and practicability are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a turning and milling spindle technical field, concretely to a high stability B axis turning and milling spindle. BACKGROUND

[0002] B axis is the fifth coordinate axis that rotates around Y axis, so that the machine tool can carry out compound angle machining, this design makes the B axis turning and milling spindle can combine the turning and milling function, thereby completing various processing operations in single clamping, the B axis turning and milling spindle can adopt manual rotation and electric rotation two structures, manual rotation structure is simple, but low efficiency and unsafe, electric rotation structure is complex, but positioning accuracy is high, can participate in cutting feed, improves production efficiency.

[0003] A high stability B axis turning and milling spindle is disclosed in Chinese patent CN221833324U, which discloses a convenient installation and positioning technical solution, solves the problem that the existing B axis turning and milling spindle needs to be stably installed in the machine tool before milling, and the turning and milling spindle installation mode adopts bolt assembly fixation, the installation process is relatively complex, and the stability cannot be effectively guaranteed.

[0004] The device is used, and the cooperation between the positioning piece and the positioning groove is used for secondary positioning, so that the accuracy of the positioning process is ensured, but the turning and milling spindle is supported by a single positioning guide rail, the supporting point is single, the supporting effect is reduced, and therefore a high stability B axis turning and milling spindle is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a high stability B axis turning and milling spindle, which has the advantages of convenient disassembly and assembly, solves the problem that the device is used, and the cooperation between the positioning piece and the positioning groove is used for secondary positioning, so that the accuracy of the positioning process is ensured, but the turning and milling spindle is supported by a single positioning guide rail, the supporting point is single, and the supporting effect is reduced.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a high stability B axis turning and milling spindle, including machine tool seat, the top surface of machine tool seat is fixedly connected with two slide rails, two slide rails are all slidingly connected with two slide blocks.

[0007] The installation seat is placed between the top surfaces of the four slide blocks, the turning and milling spindle is fixedly installed on the top surface of the installation seat, the installation seat is fixedly connected with two mounting frames on the bottom surface, the positioning grooves are formed in the top surfaces of the four slide blocks, the installation seat is fixedly connected with four positioning blocks which extend into the four positioning grooves at one end on the bottom surface, and the rubber pads are fixedly connected to the bottom surface and the side face away from the mounting frame of the four positioning blocks.

[0008] The fixing assembly is arranged between the two mounting racks to fix the positioning blocks.

[0009] The driving assembly is arranged between the two mounting racks to drive the fixing assembly.

[0010] Further, the positioning blocks and the positioning grooves are fitted, and the rubber pads and the positioning grooves are fitted.

[0011] Further, the fixing assembly comprises four driving rods, one end of each of the four driving rods is rotatably connected to the front inner wall and the back inner wall of the two mounting racks through bearings, the other end of each of the four driving rods penetrates the mounting rack and extends to the outside of the mounting rack, each side of the four sliding blocks close to the mounting rack is provided with a clearance groove, a screw rod extending into the inside of the driving rod is arranged in each of the four clearance grooves, each side of the four screw rods away from the driving rod is fixedly connected with a moving plate, each side of the four moving plates away from the screw rod is fixedly connected with a clamping plate, each side of the four positioning blocks close to the mounting rack is provided with a clamping groove, and the four clamping plates extend into the inside of the clamping grooves.

[0012] Further, the mounting rack is a U-shaped rack, the clamping plates and the clamping grooves are fitted, each side of the four driving rods away from the mounting rack is provided with a threaded hole, each of the four screw rods extends into the inside of the four threaded holes and is threadedly connected with the threaded holes, and the threads of the adjacent two screw rods are opposite.

[0013] Further, the driving assembly comprises two driving motors, the two driving motors are fixedly installed on the bottom surfaces of the two mounting racks, the output ends of the two driving motors are fixedly connected with a rotating rod penetrating the mounting rack and extending to the bottom surface of the mounting seat, the outer circumferential walls of the two rotating rods are fixedly installed with driving bevel gears, the outer circumferential walls of the four driving rods are fixedly installed with driven bevel gears meshing with the driving bevel gears, the bottom surface of the mounting seat is provided with four limiting grooves, and each side of the four moving plates close to the driving rods is fixedly connected with a limiting plate extending into the inside of the limiting groove.

[0014] Further, the rotating rod is rotatably connected with the mounting rack and the mounting seat through bearings, the limiting plate is an L-shaped plate, and the limiting plate and the limiting groove are slidably connected.

[0015] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0016] The high-stability B-axis turning and milling spindle supports the mounting seat through cooperation between the plurality of sliding blocks, the plurality of positioning blocks and the plurality of positioning grooves, improves the stability of the turning and milling spindle fixed on the mounting seat, and cooperation between the clamping plate and the clamping groove fixes the positioning block and improves the stability of the positioning block, meanwhile, the threaded connection between the driving rod and the screw rod drives the clamping plate to move, the staff is facilitated to operate, the turning and milling spindle is conveniently disassembled and assembled, and the high-stability B-axis turning and milling spindle is more convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic diagram of the utility model;

[0018] Fig. 2 It is a right side schematic diagram of the mounting frame in the structure of the utility model;

[0019] Fig. 3 It is a top view schematic diagram of the moving plate in the structure of the utility model.

[0020] In the drawing: 1 machine tool seat, 2 sliding rail, 3 sliding block, 4 mounting seat, 5 turning and milling spindle, 6 rubber pad, 7 positioning groove, 8 positioning block, 9 limiting plate, 10 limiting groove, 11 clamping groove, 12 clamping plate, 13 moving plate, 14 give way groove, 15 driving rod, 16 driven bevel gear, 17 rotating lever, 18 driving motor, 19 driving bevel gear, 20 mounting frame, 21 screw rod. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figs. 1 to 3 A high-stability B-axis turning and milling spindle in the embodiment comprises a machine tool seat 1, the top surface of the machine tool seat 1 is fixedly connected with two sliding rails 2, and the two sliding rails 2 are both slidingly connected with two sliding blocks 3.

[0023] The top surfaces of the four sliding blocks 3 are placed with a mounting seat 4, the top surface of the mounting seat 4 is fixedly installed with a turning and milling spindle 5, the bottom surface of the mounting seat 4 is fixedly connected with two mounting frames 20, the top surfaces of the four sliding blocks 3 are all provided with positioning grooves 7, the bottom surface of the mounting seat 4 is fixedly connected with four positioning blocks 8 which are respectively extended to the interiors of the four positioning grooves 7 at one end, and the side surfaces and the bottom surfaces of the four positioning blocks 8 away from the mounting frames 20 are all fixedly connected with rubber pads 6.

[0024] Wherein, the positioning block 8 and the positioning groove 7 are attached, and the rubber pad 6 and the positioning groove 7 are attached.

[0025] It should be noted that the turning and milling spindle 5 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described here.

[0026] Specifically, the turning and milling spindle 5 is fixedly installed on the mounting seat 4, the mounting seat 4 is placed on the sliding block 3, the positioning block 8 is inserted into the inside of the positioning groove 7, the mounting seat 4 is limited by the attachment between the positioning block 8 and the positioning groove 7, and the positioning block 8 is supported by the attachment between the rubber pad 6 and the positioning groove 7, thereby improving the stability of the positioning block 8.

[0027] In the embodiment, the two mounting frames 20 are provided with a fixing assembly, the fixing assembly includes four driving rods 15, one end of the four driving rods 15 is rotatably connected to the front inner wall and the back inner wall of the two mounting frames 20 through bearings, the other end penetrates the mounting frame 20 and extends to the outside thereof, the side surface of the four sliding blocks 3 close to the mounting frame 20 is provided with a gap slot 14, the inside of the four gap slots 14 is placed with a screw rod 21 extending into the inside of the driving rod 15, the side surface of the four screw rods 21 away from the driving rod 15 is fixedly connected with a moving plate 13, the side surface of the four moving plates 13 away from the screw rod 21 is fixedly connected with a clamping plate 12, the side surface of the four positioning blocks 8 close to the mounting frame 20 is provided with a clamping slot 11, and the four clamping plates 12 extend into the inside of the clamping slot 11.

[0028] Wherein, the mounting frame 20 is a U-shaped frame, the clamping plate 12 and the clamping slot 11 are attached, the side surface of the four driving rods 15 away from the mounting frame 20 is provided with a threaded hole, the four screw rods 21 extend into the inside of the four threaded holes and are threadedly connected therewith, and the threads of the adjacent two screw rods 21 are opposite.

[0029] Specifically, the clamping plate 12 and the clamping slot 11 are located on the same center line, the driving rod 15 is rotated, the screw rod 21 drives the moving plate 13 to move through the threaded connection between the driving rod 15 and the screw rod 21, the moving plate 13 drives the clamping plate 12 to move, the clamping plate 12 penetrates the gap slot 14 and enters the inside of the clamping slot 11, the positioning block 8 is fixed by the attachment between the clamping plate 12 and the clamping slot 11, and then the turning and milling spindle 5 is fixed.

[0030] In the embodiment, the driving assembly is arranged between the two mounting racks 20, the driving assembly comprises two driving motors 18, the two driving motors 18 are fixedly installed on the bottom surfaces of the two mounting racks 20, the output ends of the two driving motors 18 are fixedly connected with rotating rods 17 penetrating through the mounting racks 20 and extending to the bottom surface of the mounting seat 4, the outer circumferential walls of the two rotating rods 17 are fixedly installed with driving bevel gears 19, the outer circumferential walls of the four driving rods 15 are fixedly installed with driven bevel gears 16 meshing with the driving bevel gears 19, the bottom surface of the mounting seat 4 is provided with four limiting grooves 10, and the sides of the four moving plates 13 close to the driving rods 15 are fixedly connected with limiting plates 9 extending into the limiting grooves 10.

[0031] The rotating rod 17 is rotationally connected with the mounting rack 20 and the mounting seat 4 through bearings, the limiting plate 9 is an L-shaped plate, and the limiting plate 9 is slidably connected with the limiting groove 10.

[0032] Specifically, the driving motor 18 is started, the output end of the driving motor 18 drives the rotating rod 17 to rotate, and then the driving bevel gear 19 rotates, the driving rod 15 is driven to rotate through the meshing between the driving bevel gear 19 and the driven bevel gear 16, the moving plate 13 is supported through the sliding connection between the limiting plate 9 and the limiting groove 10, and the stability of the moving plate 13 is improved.

[0033] The working principle of the above embodiment is as follows:

[0034] The turning and milling spindle 5 is fixedly installed on the mounting seat 4, the mounting seat 4 is placed on the sliding block 3, the positioning block 8 is inserted into the positioning groove 7, the mounting seat 4 is limited through the abutment between the positioning block 8 and the positioning groove 7, the positioning block 8 is supported through the abutment between the rubber pad 6 and the positioning groove 7, the stability of the positioning block 8 is improved, then the clamping plate 12 and the clamping groove 11 are located on the same center line, the driving motor 18 is started, the output end of the driving motor 18 drives the rotating rod 17 to rotate, and then the driving bevel gear 19 rotates, the driving rod 15 is driven to rotate through the meshing between the driving bevel gear 19 and the driven bevel gear 16, the screw rod 21 drives the moving plate 13 to move through the threaded connection between the driving rod 15 and the screw rod 21 and the sliding connection between the limiting plate 9 and the limiting groove 10, the clamping plate 12 is driven to move by the moving plate 13, the clamping plate 12 penetrates through the gap slot 14 and enters the inside of the clamping groove 11, the positioning block 8 is fixed through the abutment between the clamping plate 12 and the clamping groove 11, and then the turning and milling spindle 5 is fixed.

[0035] The control mode of the utility model is controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, therefore the utility model will not explain the control mode and the circuit connection in detail.

[0036] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise specified, the use of the singular includes the plural and vice versa.

[0037] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A high-stability B-axis turning-milling spindle comprising a machine bed (1), characterized in that: The top surface of the machine tool base (1) is fixedly connected with two slide rails (2), and the two slide rails (2) are both slidably connected with two slide blocks (3); The top surface of the four slide blocks (3) is placed with a mounting seat (4), the top surface of the mounting seat (4) is fixedly installed with a turning and milling main shaft (5), the bottom surface of the mounting seat (4) is fixedly connected with two mounting frames (20), the top surface of the four slide blocks (3) is provided with a positioning groove (7), the bottom surface of the mounting seat (4) is fixedly connected with four positioning blocks (8) which are respectively extended into the four positioning grooves (7), and the side surface and the bottom surface of the four positioning blocks (8) away from the mounting frame (20) are both fixedly connected with rubber pads (6). The two mounting frames (20) are provided with a fixing assembly for fixing the positioning blocks (8), and are provided with a driving assembly for driving the fixing assembly.

2. The high-stability B-axis turning and milling spindle according to claim 1, characterized in that: The positioning blocks (8) and the positioning grooves (7) are attached, and the rubber pads (6) and the positioning grooves (7) are attached.

3. The high-stability B-axis turning and milling spindle according to claim 1, characterized in that: The fixing assembly comprises four driving rods (15), one end of the four driving rods (15) is rotatably connected to the front inner wall and the back inner wall of the two mounting frames (20) through bearings, the other end of the four driving rods (15) penetrates the mounting frame (20) and extends to the outside of the mounting frame (20), the side surface of the four slide blocks (3) close to the mounting frame (20) is provided with a recess (14), the inside of the four recesses (14) is placed with a screw rod (21) which is extended into the inside of the driving rod (15), the side surface of the four screw rods (21) away from the driving rod (15) is fixedly connected with a moving plate (13), the side surface of the four moving plates (13) away from the screw rod (21) is fixedly connected with a clamping plate (12), the side surface of the four positioning blocks (8) close to the mounting frame (20) is provided with a clamping groove (11), and the four clamping plates (12) are extended into the inside of the clamping grooves (11).

4. The high-stability B-axis turning and milling spindle according to claim 3, characterized in that: The mounting frame (20) is a U-shaped frame, the clamping plates (12) and the clamping grooves (11) are attached, the side surface of the four driving rods (15) away from the mounting frame (20) is provided with a threaded hole, the four screw rods (21) are respectively extended into the inside of the four threaded holes and are threadedly connected with the four threaded holes, and the threads of the two adjacent screw rods (21) are opposite.

5. The high-stability B-axis turning and milling spindle of claim 3, wherein: Said driving assembly includes two driving motors (18), two said driving motors (18) are fixedly installed on the bottom surface of two mounting racks (20) respectively, the output end of two said driving motors (18) is fixedly connected with a rotating rod (17) penetrating through the mounting rack (20) and extending to the bottom surface of the mounting base (4), the outer peripheral wall of two said rotating rods (17) is fixedly installed with a driving bevel gear (19), the outer peripheral wall of four said driving rods (15) is fixedly installed with a driven bevel gear (16) meshing with the driving bevel gear (19), the bottom surface of the mounting base (4) is provided with four limiting grooves (10), one side of four said moving plates (13) close to the driving rod (15) is fixedly connected with a limiting plate (9) extending to the inside of the limiting groove (10).

6. A high-stability B-axis turning and milling spindle according to claim 5, characterized in that: Said rotating rod (17) is rotationally connected with the mounting rack (20) and the mounting base (4) through bearings, said limiting plate (9) is an L-shaped plate, said limiting plate (9) and the limiting groove (10) are slidingly connected.

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