Machining center capable of rapidly replacing cutter

Abstract

The utility model relates to the technical field of machining equipment, and discloses a machining center with a cutter capable of being replaced quickly, which comprises a shell, an assembling piece is in threaded connection with the interior of the shell, a bearing is rotatably connected with the interior of the assembling piece, a cam is fixedly connected with one side of the bearing, and a driving motor is rotatably connected with one side of the cam. According to the machining center capable of rapidly replacing the cutter, through the arrangement of the transmission assembly and the clamping assembly, when a driving motor is started and drives a cam to rotate, the contour of the cam pushes a connecting rod to slide in a groove, and a sliding groove in the surface of the connecting rod drives a connecting piece to move, so that a movable rod slides up and down; according to the automatic cutter replacing device, the cutter arm rotates and slides in the vertical direction, the air cylinder stretches out and draws back to extrude the spring, the upper spring deforms, the limiting piece is pushed to clamp the cutter, the cutter replacing process is simplified through automatic operation, the working efficiency is improved, and meanwhile operation errors and potential safety hazards caused by human factors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing equipment technical field especially, relate to a tool quick replacement's machining center. BACKGROUND

[0002] With the rapid development of modern manufacturing industry, the requirement of processing precision, efficiency and flexibility is increasing. The traditional machining center has problems such as long time in tool replacement and complex operation, which seriously affects the processing efficiency and production rhythm. The design of multiple tool sleeve clamps enables the machining center to accommodate various types of tools, meeting the needs of different processing tasks. The operator can quickly select the appropriate tool for replacement according to the processing requirements, improving the flexibility and adaptability of the machining center. Fast and accurate tool replacement reduces the error and defective rate caused by tool replacement. At the same time, the high-precision tool positioning system ensures the stability of the tool during processing, further improving the processing precision and product quality.

[0003] The existing tool quick replacement machining center has complex manual tool replacement operation process, safety hazards, and is not convenient for adapting to various processing requirements and enhancing processing flexibility.

[0004] After searching the existing patents: a machining center tool changing mechanism convenient for quick tool replacement (publication number: CN211991980U) includes a cylinder and a pressing tool disc, the output flange of the cylinder is connected with a gas pressure rod, and the top end of the gas pressure rod is provided with a connecting rod, the top end side wall of the connecting rod is welded with a bottom disc, and the inner side of the bottom disc is provided with a space seat, and the outer side wall edge of the space seat is provided with a sliding rail, and the pressing tool disc is welded on one side outer wall of the bottom disc. The utility model discloses, under the mutual cooperation of the sliding rail and the pulley, the lubrication of the up-down movement of the bottom disc can be increased, the jamming of the bottom disc during lifting can be avoided, and during the up-down sliding process of the bottom disc driven by the gas pressure rod, the problem of partial load caused by limited space can be avoided, the cylinder can work normally within a certain range, and the tool changing mechanism of the heavy tool can also ensure the smooth up-down movement of the tool sleeve, and the end part of the tool can also be prevented from being warped after installation.

[0005] The above-mentioned patent has the advantages of ensuring the smooth up-down movement of the tool sleeve and avoiding the end part of the tool from being warped after installation, but it is not convenient for adapting to various processing requirements and enhancing processing flexibility.

[0006] Therefore, it is necessary to invent a tool quick replacement machining center to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0007] (I) Technical problems solved

[0008] The utility model solves the technical problem of providing a machining center with higher practicability and capable of quickly replacing tools through simple operation and simple structure, and solves the problem of not being able to adapt to various machining requirements and enhancing machining flexibility in the above background art.

[0009] (II) Technical solutions

[0010] To achieve the above object, the utility model discloses the following technical scheme: a machining center with quick tool replacement, comprising a shell, the inside screw thread connection of shell has the assembly piece, the inside rotation connection of assembly piece has the bearing shaft, one side fixed connection of bearing shaft has the cam, one side rotation connection of cam has the drive motor, the other side fixed connection of cam has the recess, the inside slide connection of recess has the transmission assembly, the bottom fixed connection of transmission assembly has the fixed piece, the bottom rotation connection of fixed piece has the clamping assembly, one side fixed connection of clamping assembly has the positioning plate, the surface screw thread connection of positioning plate has two groups of lead screws, the surface slide connection of lead screw has two groups of sliding blocks, the surface fixed connection of sliding block has the sliding plate, the surface rotation connection of sliding plate has the rotation assembly, the bottom rotation connection of rotation assembly has the cutter head.

[0011] As a further scheme of the utility model, the surface of the cam is provided with a sawtooth thread, the sawtooth thread surface is smooth and wear-resistant, and the recess is a smooth curve shape, so that the transmission assembly can stably and smoothly slide.

[0012] As a further scheme of the utility model, the transmission assembly comprises a connecting rod slidably connected in the recess, the surface of the connecting rod is provided with a sliding groove, and the inside of the sliding groove is slidably connected with a connecting piece, so that the connecting rod can slide in the sliding groove and drive the movable rod to longitudinally displace.

[0013] As a further scheme of the utility model, the inside of the connecting piece is slidably connected with a movable rod, the surface of the movable rod is provided with a strip-shaped thread, and the bottom of the movable rod is fixedly connected with a fixed piece, so that the movable rod and the clamping assembly can be stably connected through the fixed piece, and the movement of the movable rod can be accurately and stably transmitted to the clamping assembly.

[0014] As a further scheme of the utility model, the clamping assembly comprises a tool arm rotationally connected to the bottom of the fixed piece, and the inside of the tool arm is transmissionally connected with a pneumatic cylinder, so that the tool arm can be driven through the extension and retraction movement of the pneumatic cylinder, thereby realizing the clamping and releasing of the tool.

[0015] As a further scheme of the utility model, the both sides of the air cylinder are provided with springs, one side of the spring is provided with a limiting piece, one side of the limiting piece is drivingly connected with a tool bit, and the limiting piece can ensure that the tool bit can stably and accurately reach the predetermined position under the driving of the air cylinder.

[0016] As a further scheme of the utility model, the rotating assembly comprises a rotary motor rotatably connected to the surface of the sliding plate, the bottom of the rotary motor is rotatably connected with a gear wheel, one side of the gear wheel is rotatably connected with a gear, and the top of the gear is rotatably connected with a cutter head, the cutter head can drive the tool sleeve clamp and the machining tool fixed thereon to quickly switch positions, thereby realizing the quick replacement and accurate positioning of the tool.

[0017] As a further scheme of the utility model, the top of the cutter head is fixedly connected with a tool sleeve clamp, and the inside of the tool sleeve clamp is drivingly connected with a machining tool, so that the machining tool can be used for various cutting, polishing and drilling machining operations on workpieces.

[0018] (Three) beneficial effects

[0019] The utility model provides a machining center of quick tool replacement, has the following beneficial effects:

[0020] 1、The machining center of quick tool replacement, through the setting of transmission assembly and holding assembly, when the driving motor starts and drives the cam to rotate, the profile of the cam pushes the connecting rod to slide in the groove, the displacement of the connecting piece is driven by the sliding groove on the surface of the connecting rod, the movable rod slides up and down, the fixed sheet is fixedly connected with the tool arm, the rotation of the tool arm and the sliding in the vertical direction are realized, the expansion of the air cylinder extrudes the spring, the spring is deformed, the limiting piece is pushed to clamp the tool, the situation that the tool is loose or falls off in the machining process is prevented, the automatic operation simplifies the process of tool replacement, reduces the manual operation of workers on heavy or precise tools, reduces the operation difficulty and labor intensity, improves the work efficiency, simultaneously also reduces the operation failure and security hidden danger caused by human factors.

[0021] 2、The machining center of quick tool replacement, through the setting of the rotating assembly, the rotary motor is started, the gear wheel is rotatably connected with the gear at the bottom of the motor, the rotation of the gear drives the cutter head rotatably connected with the top of the gear to rotate, in the rotating process of the cutter head, a plurality of groups of machining tools are drivingly connected in the inside of each tool sleeve clamp, it is ensured that the correct tool can be aligned with the machining position every time, different machining tools can quickly enter the working state, the ability of quick tool replacement greatly improves the work efficiency and flexibility of the machining center, a plurality of groups of tool sleeve clamps can accommodate a plurality of tools, so that the machining center can easily cope with various machining requirements, without frequently replacing the whole tool magazine, the machining process is optimized, and the machining efficiency and quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic view of the utility model;

[0023] Figure 2 It is the exploded structure schematic view of the utility model;

[0024] Figure 3 It is the telescopic assembly structure schematic view of the utility model;

[0025] Figure 4 It is the disinfection assembly structure schematic view of the utility model;

[0026] Figure 5 It is the cleaning assembly structure schematic view of the utility model.

[0027] In the drawing: 1, shell; 2, assembly piece; 3, bearing shaft; 4, cam; 5, drive motor; 6, recess; 7, transmission assembly; 701, connecting rod; 702, connecting piece; 703, movable rod; 8, fixed piece; 9, clamping assembly; 901, cutter arm; 902, air cylinder; 903, spring; 904, limiting piece; 10, positioning plate; 11, lead screw; 12, sliding block; 13, rotating assembly; 1301, rotating motor; 1302, intermediate wheel; 1303, gear; 14, cutter head; 15, cutter sleeve clamp; 16, machining tool. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a machining center of tool quick replacement, including shell 1, the inside screw thread connection of shell 1 has assembly piece 2, the inside rotation connection of assembly piece 2 has bearing shaft 3, bearing shaft 3 one side is fixedly connected with cam 4, cam 4 one side is rotatably connected with drive motor 5, the other side of cam 4 is fixedly connected with recess 6, recess 6 inside is slidably connected with transmission assembly 7, transmission assembly 7 bottom is fixedly connected with fixed piece 8, fixed piece 8 bottom is rotatably connected with clamping assembly 9, clamping assembly 9 one side is fixedly connected with positioning plate 10, the surface of positioning plate 10 is screw-connected with two groups of lead screw 11, the surface of lead screw 11 is slidably connected with two groups of sliding block 12, the surface of sliding block 12 is fixedly connected with slide plate, the surface of slide plate is rotatably connected with rotating assembly 13, rotating assembly 13 bottom is rotatably connected with cutter head 14;

[0030] Please refer to Figure 3The surface of the cam 4 is provided with a sawtooth thread, the surface of the sawtooth thread is smooth and wear-resistant, the groove 6 is a smooth curve, through the setting of the groove 6, a smooth curve path is provided, so that the transmission assembly 7 can stably and smoothly slide;

[0031] Please refer to Figure 3 The transmission assembly 7 includes a connecting rod 701 slidingly connected inside the groove 6, the surface of the connecting rod 701 is provided with a sliding groove, the inside of the sliding groove is slidingly connected with a connecting piece 702, through the setting of the connecting piece 702, the connecting rod 703 and the clamping assembly 9 are stably connected, and the movement of the connecting rod 703 can be accurately and stably transmitted to the clamping assembly 9;

[0032] Please refer to Figure 3 The inside of the connecting piece 702 is slidingly connected with the movable rod 703, the surface of the movable rod 703 is provided with a strip-shaped pattern, the bottom of the movable rod 703 is fixedly connected with the fixed sheet 8, and the setting of the fixed sheet 8 facilitates installation and maintenance;

[0033] Please refer to Figure 4 The clamping assembly 9 includes a cutter arm 901 rotatably connected to the bottom of the fixed sheet 8, the inside of the cutter arm 901 is drivingly connected with a pneumatic cylinder 902, through the setting of the pneumatic cylinder 902, the cutter arm 901 is driven by the extension and contraction movement of the pneumatic cylinder 902, so that the clamping and releasing of the cutter are realized;

[0034] Please refer to Figure 4 The two sides of the pneumatic cylinder 902 are provided with springs 903, one side of the spring 903 is provided with a limiting piece 904, one side of the limiting piece 904 is drivingly connected with a tool bit, through the setting of the limiting piece 904, the tool bit can stably and accurately reach the predetermined position under the driving of the pneumatic cylinder 902;

[0035] Please refer to Figure 5 The rotary assembly 13 includes a rotary motor 1301 rotatably connected to the surface of the sliding plate, the bottom of the rotary motor 1301 is rotatably connected with a pulley 1302, one side of the pulley 1302 is rotatably connected with a gear 1303, the top of the gear 1303 is rotatably connected with a cutter head 14, through the setting of the cutter head 14, the cutter sleeve clamp 15 and the machining cutter 16 fixed thereon are driven to quickly switch positions, so that the quick replacement and accurate positioning of the cutter are realized;

[0036] Please refer to Figure 5 The top of the cutter head 14 is fixedly connected with the cutter sleeve clamp 15, the inside of the cutter sleeve clamp 15 is drivingly connected with the machining cutter 16, through the setting of the machining cutter 16, various cutting, polishing, drilling and other machining operations on the workpiece are realized.

[0037] The working steps of the device are as follows:

[0038] First step: when the driving motor 5 is started and drives the cam 4 to rotate, the profile of the cam 4 pushes the connecting rod 701 to slide in the groove 6, the sliding groove on the surface of the connecting rod 701 drives the connecting piece 702 to displace, so that the movable rod 703 slides up and down, the fixed sheet 8 is fixedly connected with the cutter arm 901, and the rotation of the cutter arm 901 and the sliding in the vertical direction are realized;

[0039] Second step: the pneumatic cylinder 902 extrudes the spring 903, the spring 903 is deformed, the limiting piece 904 is pushed to clamp the cutter, and the cutter loosening or falling off in the machining process is prevented;

[0040] Third step: the rotary motor 1301 is started, the intermediate wheel 1302 at the bottom of the motor rotates to connect the gear 1303, the rotation of the gear 1303 drives the cutter head 14 rotationally connected with the top thereof to rotate, and a plurality of groups of machining cutters 16 are transmissionally connected in each cutter sleeve clamp 15 inside the cutter head 14 in the rotation process, so that correct cutters can be aligned with the machining position every time.

[0041] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, the setting of the power mechanism, the power supply system and the control system of the device is not completely described, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0042] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof can be known by the person skilled in the art through the technical manual or through the conventional experimental method.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A machining center with quick tool change, comprising a housing (1), characterized in that: The inside of the shell (1) is threadedly connected with an assembling piece (2), the inside of the assembling piece (2) is rotatably connected with a bearing shaft (3), one side of the bearing shaft (3) is fixedly connected with a cam (4), one side of the cam (4) is rotatably connected with a driving motor (5), the other side of the cam (4) is fixedly connected with a groove (6), the inside of the groove (6) is slidably connected with a transmission assembly (7), the bottom of the transmission assembly (7) is fixedly connected with a fixed piece (8), the fixed piece (8) is rotatably connected with a clamping assembly (9), one side of the clamping assembly (9) is fixedly connected with a positioning plate (10), the surface of the positioning plate (10) is threadedly connected with two groups of lead screws (11), the surface of the lead screw (11) is slidably connected with two groups of sliding blocks (12), the surface of the sliding block (12) is fixedly connected with a sliding plate, the surface of the sliding plate is rotatably connected with a rotating assembly (13), the bottom of the rotating assembly (13) is rotatably connected with a cutter head (14).

2. The machining center with quick tool change according to claim 1, characterized in that: The surface of the cam (4) is provided with a sawtooth thread, the sawtooth thread is smooth and wear-resistant, and the groove (6) is a smooth curve.

3. The machining center with quick tool change according to claim 1, characterized in that: The transmission assembly (7) comprises a connecting rod (701) slidably connected in the groove (6), and the surface of the connecting rod (701) is provided with a sliding groove.

4. The machining center with quick tool change according to claim 3, characterized in that: The inside of the connecting piece (702) is slidably connected with a movable rod (703), the surface of the movable rod (703) is provided with a strip-shaped pattern, and the bottom of the movable rod (703) is fixedly connected with the fixed piece (8).

5. The machining center with quick tool change according to claim 1, characterized in that: The clamping assembly (9) comprises a cutter arm (901) rotatably connected to the bottom of the fixed piece (8), and the inside of the cutter arm (901) is transmissionally connected with an air cylinder (902).

6. A machining center with quick tool change according to claim 5, characterized in that: Both sides of the air cylinder (902) are provided with springs (903), one side of the spring (903) is provided with a limiting piece (904), and one side of the limiting piece (904) is transmissionally connected with a tool bit.

7. The machining center with quick tool change according to claim 1, characterized in that: The rotating assembly (13) comprises a rotating motor (1301) rotatably connected to the surface of the sliding plate, the bottom of the rotating motor (1301) is rotatably connected with a gear wheel (1303), and the top of the gear wheel (1303) is rotatably connected with the cutter head (14).

8. The machining center with quick tool change according to claim 1, characterized in that: The top of the cutter head (14) is fixedly connected with a tool holder clamp (15), and the inside of the tool holder clamp (15) is transmissionally connected with a machining tool (16).

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