Cutter-replaceable double-station horizontal numerical control boring machine

Abstract

The utility model relates to the field of numerical control boring machines, and discloses a tool-replaceable double-station horizontal numerical control boring machine which comprises a sliding table, the sliding table is rotationally provided with a rotating disc, the rotating disc is rotationally provided with a driving disc, the driving disc is in sliding connection with a sliding sleeve, a boring tool is detachably connected in the sliding sleeve, the sliding sleeve is provided with a first locking part, and a positioning plate is provided with a second locking part. The sliding table is provided with an air cylinder, the second locking part is provided with a force sensor, the sliding table is provided with a controller, the controller is electrically connected with the force sensor and the air cylinder, the cutters are detachably connected into the sliding sleeves, the cutters do not need to be disassembled frequently, and in the machining process of the cutters, the first locking part and the second locking part are connected to fix the cutters. The first locking part is driven by the air cylinder to drive the cutter to feed, the first locking part and the second locking part are used, the force sensor detects the magnitude of force, the controller controls feeding of the cutter through the air cylinder according to signals, and the rapid cutter changing and accurate cutter feeding device has the effects of rapid cutter changing and accurate cutter feeding.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled boring machines, in particular to a tool-changeable double-station horizontal numerically controlled boring machine. Background Art

[0002] A boring machine is a machine tool mainly used for processing various holes and hole systems. Its main function is to use a boring cutter to perform boring processing on the workpiece. The processing accuracy and surface quality of the boring machine are usually higher than those of a drilling machine. Therefore, it occupies an important position in the processing of large box parts.

[0003] The Chinese utility model patent with authorization announcement number CN208575284U discloses a tool-changeable double-station horizontal CNC boring machine, which includes a base, a slide, and a slide motor. The slide motor drives the slide to move on the base, and a boring mechanism is provided on the slide. However, the prior art requires manual replacement and reinstallation of the tool when boring holes for different workpieces, and the workpiece is fed by the slide motor driving the slide, the accuracy is inaccurate, and the precision control of the boring hole is not precise. Utility Model Content

[0004] The utility model aims to provide a double-station horizontal CNC boring machine with changeable tools, which has the effects of fast tool change and accurate tool feeding.

[0005] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: it includes a slide, the slide is rotatably provided with a turntable, the turntable is rotatably provided with a drive disk, the drive disk is slidably connected with a sleeve, a boring tool is detachably connected to the sleeve, the drive disk is several in number and is circularly symmetrical, the slide is slidably provided with a positioning plate, the sleeve is rotatably provided with a first locking part, the positioning plate is provided with a second locking part, the first locking part positions the sleeve when connected with the second locking part, the slide is installed with a cylinder, the piston end of the cylinder is connected to the positioning plate, the second locking part is provided with a force sensor, the slide is installed with a controller, and the controller is electrically connected to the force sensor and the cylinder.

[0006] By adopting the above technical solution, by setting a turntable and a driving plate, the turntable rotates to rotate the tool to be used to the positioning plate, and by setting a first locking part and a second locking part, the position of the boring tool can be fixed. As the driving plate rotates, the boring tool rotates, and the purpose of automatic tool change can be achieved. By setting a force sensor, a cylinder and a controller, the cylinder drives the positioning plate to drive the sliding sleeve to move, and the connecting rod contacts and squeezes the inner wall of the swing cavity. The force sensor can detect the depth of the boring hole, so that the boring tool is driven by the cylinder to perform in-depth processing, and the purpose of controlling the depth of the boring tool according to the situation can be achieved.

[0007] The utility model is further configured as follows: the slide is located near the positioning plate and is rotatably provided with a driving gear, the mounting platform is installed with a motor, the output end of the motor is connected to the driving gear, the drive disk is coaxially provided with a driven gear, and the driven gear rotates to the positioning plate and meshes with the driving gear.

[0008] By adopting the above technical solution, by setting a driving gear and a driven gear, the driving gear rotates under the drive of the motor, and the turntable rotates to rotate the driven gear to the driving gear, at which time the driving gear and the driven gear are meshed.

[0009] The utility model is further configured as follows: the diameter of the driving gear is greater than the diameter of the driven gear.

[0010] By adopting the above technical solution, the driven gear can be rotated quickly, so that the tool can be rotated quickly to process the workpiece.

[0011] The utility model is further configured as follows: the driving disk is fixedly provided with a guide rod, the end of the sliding sleeve close to the driving disk is fixedly provided with a chassis, and the chassis is provided with a guide hole for the guide rod to slide.

[0012] By adopting the above technical solution, by setting a chassis, the chassis and the guide rod are slidably connected, when the driving disk rotates, the driving disk can drive the chassis to rotate through the guide rod, so that the purpose of rotating the sliding sleeve can be achieved.

[0013] The utility model is further configured as follows: the driving disc and the chassis are connected with a spring.

[0014] By adopting the above technical solution, when the first connecting part and the second connecting part are not connected, the tool does not need to process the workpiece, and the tool does not need to extend at this time. Therefore, the spring automatically contracts without being subjected to force, and pulls the chassis to reset. The chassis drives the sleeve to reset, thereby achieving the purpose of automatic resetting of the tool.

[0015] The utility model is further configured as follows: the first locking part is configured as a circular ring, the inner ring diameter of the first locking part is smaller than the diameter of the chassis, the outer ring diameter of the first locking part is larger than the diameter of the chassis, the outer ring of the chassis is provided with a connecting groove, and the inner ring of the first locking part is embedded in the connecting groove.

[0016] By adopting the above technical solution, by setting the first locking part as a circular ring, the circular ring does not affect the rotation of the sliding sleeve and the guide rod when fixed at the first locking part, and the purpose of fixing the position of the sliding sleeve by the circular ring can be achieved.

[0017] The utility model is further configured as follows: the second locking portion is configured as an arc groove, and a friction plate is fixedly disposed inside the second locking portion.

[0018] By adopting the above technical solution and providing a friction plate, the purpose of fixing the ring in the arc groove can be achieved.

[0019] The utility model is further configured as follows: the sliding sleeve is provided with an insertion hole, the insertion hole is connected with a connecting piece, and the connecting piece is penetrated through the sliding sleeve and the boring tool.

[0020] By adopting the above technical solution, the purpose of detachably connecting the tool to the sliding sleeve can be achieved.

[0021] The utility model is further configured as follows: the connecting piece is configured as a bolt.

[0022] The utility model is further configured as follows: the slide table is provided with a slide groove, the positioning plate is provided with a slider, the slider is embedded in the slide groove, and the cylinder piston end is connected to the slider.

[0023] The beneficial effects of the utility model are as follows: by setting the first locking part and the second locking part, the cylinder and the force sensor, compared with the prior art, a plurality of tools can be detachably connected in a plurality of sleeves, and there is no need to frequently disassemble the tools. During the machining process, the first locking part is connected to the second locking part to fix the tool, and the first locking part is driven by the cylinder to drive the tool feed. At this time, the circular ring and the arc groove are squeezed, the force sensor detects the magnitude of the force, and the controller controls the feed of the tool through the cylinder according to the signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 It is a partial top view of the turntable and boring cutter of the utility model.

[0027] Figure 3 yes Figure 2 Partial schematic diagram of the turntable section structure in the middle AA direction.

[0028] Figure 4 yes Figure 3 Schematic diagram of the local structure of the second locking part.

[0029] Figure 5 yes Figure 2 Schematic diagram of the cross-sectional structure along the BB direction.

[0030] Figure 6 yes Figure 5 Schematic diagram of the local structure at the middle connecting part.

[0031] In the figure, 1, slide; 11, turntable; 12, positioning plate; 121, second locking part; 122, force sensor; 123, friction plate; 124, slider; 13, cylinder; 14, controller; 15, motor; 16, driving gear; 17, slide groove; 2, driving plate; 21, driven gear; 22, guide rod; 3, sleeve; 31, boring tool; 32, first locking part; 33, chassis; 331, guide hole; 332, connecting groove; 34, spring; 35, jack; 351, connecting piece. DETAILED DESCRIPTION

[0032] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Embodiment, a tool-changeable double-station horizontal CNC boring machine, such as Figure 1-Figure 6 As shown, it includes a slide 1, a turntable 11 is rotatably provided on the slide 1, and the turntable 11 is rotatably connected to a plurality of driving disks 2 that are symmetrical with the center. The slide 1 is rotatably provided with a driving gear 16 and a motor 15 is installed. The output end of the motor 15 is connected to the driving gear 16, and the driving disk 2 is coaxially provided with a driven gear 21. When the driving disk 2 rotates to the driving gear 16, the driving gear 16 meshes with the driven gear 21. The diameter of the driving gear 16 is larger than the diameter of the driven gear 21, and the driving disk 2 is away from the driven gear 21. A guide rod 22 is fixedly provided at one end, a driving disc 2 is slidably connected to a sleeve 3, a chassis 33 is fixedly provided at the bottom end of the sleeve 3, a guide hole 331 is provided on the chassis 33 for the guide rod 22 to slide, a spring 34 is connected between the driving disc 2 and the sleeve 3, a socket 35 is provided on the sleeve 3, the socket 35 passes through the sleeve 3, a boring tool 31 is detachably connected to the sleeve 3, the boring tool 31 and the sleeve 3 are connected by a connecting piece 351, the connecting piece 351 is passed through the boring tool 31 and the sleeve 3, and the connecting piece 351 is set as a bolt.

[0034] Further, such as Figure 1-Figure 6As shown, a connecting groove 332 is provided on the outer ring of the chassis 33, and the connecting groove 332 is rotatably connected with the first locking portion 32. The first locking portion 32 is set as a circular ring, and the inner ring diameter of the circular ring is smaller than the diameter of the chassis 33, and the outer ring diameter of the circular ring is larger than the diameter of the circular ring. The inner ring of the circular ring is embedded in the connecting groove 332. The slide 1 is slidably provided with a positioning plate 12, and the positioning plate 12 is provided with a second locking portion 121 corresponding to the first locking portion 32. The second locking portion 121 is set as an arc groove, and the arc groove is for the circular ring to pass through. A friction plate 123 and a force sensor 122 are provided on the inner side of the second locking portion 121. A sliding groove 17 is provided on the slide 1 near the motor 15, and the positioning plate 12 is provided with a slider 124, which is embedded in the sliding groove 17. The slide 1 is equipped with a cylinder 13, and the piston end of the cylinder 13 is connected to the slider 124. The slide 1 is equipped with a controller 14, and the controller 14 is electrically connected to the force sensor 122 and the cylinder 13.

[0035] Its working principle is: the turntable 11 rotates, and the boring tool 31 to be used is rotated to the positioning plate 12. At this time, the first locking part 32 is embedded in the second locking part 121, that is, the ring is embedded in the arc groove, and the friction plate 123 is connected to the ring to fix the ring in the arc groove. At the same time, the driven gear 21 is meshed with the driving gear 16, and the controller 14 turns on the motor 15 to rotate, and the driving disk 2 rotates to drive the sleeve 3 to rotate. The first locking part 32 is squeezed against the inner wall of the second locking part 121, that is, the ring is squeezed against the inner wall of the arc groove. The force sensor 122 judges the distance between the boring tool 31 head and the boring hole by the size of the force, and transmits the electrical signal to the controller 14. The controller 14 controls the cylinder 13 according to the situation, and the cylinder 13 drives the positioning plate 12 to move to control the feed amount of the boring tool 31.

Claims

1. A tool-changeable double-station horizontal CNC boring machine, comprising a slide table (1), characterized in that: The slide (1) is rotatably provided with a rotating disk (11), the rotating disk (11) is rotatably provided with a driving disk (2), the driving disk (2) is slidably connected with a sliding sleeve (3), a boring tool (31) is detachably connected inside the sliding sleeve (3), the driving disk (2) is provided with a plurality of driving disks (2) and is symmetrical in a circular shape, the slide (1) is slidably provided with a positioning plate (12), the sliding sleeve (3) is rotatably provided with a first locking portion (32), and the positioning plate (12) is provided with a second locking portion (121), the first locking part (32) is connected to the second locking part (121) to position the sleeve (3), the slide (1) is installed with a cylinder (13), the piston end of the cylinder (13) is connected to the positioning plate (12), the second locking part (121) is provided with a force sensor (122), the slide (1) is installed with a controller (14), and the controller (14) is electrically connected to the force sensor (122) and the cylinder (13).

2. The tool-changeable double-station horizontal CNC boring machine according to claim 1, characterized in that: The slide (1) is located near the positioning plate (12) and is rotatably provided with a driving gear (16). The slide (1) is equipped with a motor (15). The output end of the motor (15) is connected to the driving gear (16). The drive disc (2) is coaxially provided with a driven gear (21). The driven gear (21) rotates to the positioning plate (12) and meshes with the driving gear (16).

3. The tool-changeable double-station horizontal CNC boring machine according to claim 2, characterized in that: The diameter of the driving gear (16) is greater than the diameter of the driven gear (21).

4. The tool-changeable double-station horizontal CNC boring machine according to claim 3, characterized in that: The driving disk (2) is fixedly provided with a guide rod (22), and the end of the sliding sleeve (3) close to the driving disk (2) is fixedly provided with a chassis (33), and the chassis (33) is provided with a guide hole (331) for the guide rod (22) to slide.

5. The tool-changeable double-station horizontal CNC boring machine according to claim 4, characterized in that: The driving disc (2) and the chassis (33) are connected via a spring (34).

6. The tool-changeable double-station horizontal CNC boring machine according to claim 5, characterized in that: The first locking portion (32) is configured as a circular ring, the inner ring diameter of the first locking portion (32) is smaller than the diameter of the chassis (33), the outer ring diameter of the first locking portion (32) is larger than the diameter of the chassis (33), the outer ring of the chassis (33) is provided with a connecting groove (332), and the inner ring of the first locking portion (32) is embedded in the connecting groove (332).

7. The tool-changeable double-station horizontal CNC boring machine according to claim 6, characterized in that: The second locking portion (121) is configured as an arc-shaped groove, and a friction plate (123) is fixedly disposed inside the second locking portion (121).

8. The tool-changeable double-station horizontal CNC boring machine according to claim 7, characterized in that: The sliding sleeve (3) is provided with an insertion hole (35), the insertion hole (35) is connected with a connecting piece (351), and the connecting piece (351) is passed through the sliding sleeve (3) and the boring tool (31).

9. The tool-changeable double-station horizontal CNC boring machine according to claim 8, characterized in that: The connecting member (351) is configured as a bolt.

10. The tool-changeable double-station horizontal CNC boring machine according to claim 9, characterized in that: The slide table (1) is provided with a slide groove (17), the positioning plate (12) is provided with a slider (124), the slider (124) is embedded in the slide groove (17), and the piston end of the cylinder (13) is connected to the slider (124).

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