Cutter clamping and replacing structure for numerical control grinding machine

Abstract

A cutter clamping and replacing structure for a numerical control grinding machine comprises a workbench and a grinding machine body, the workbench is arranged on the lower portion of the inner side of the grinding machine body, a grinding machine is arranged on the front side of the grinding machine body, and a cleaning mechanism is installed on the right side of the workbench and comprises a fixing frame and a lifting plate. The fixing frame is fixedly connected to the right side of the upper end of the workbench, the lifting plate is slidably connected to the inner side of the fixing frame, and one end of the lifting plate is fixedly connected with an annular mounting plate. The cleaning mechanism is arranged, high-pressure gas is sprayed out through an annular pipe and a plurality of sets of gas nozzles, burrs at the output end of the grinding machine and on the outer side of a tool are thoroughly cleaned, the cleaning process is conducted from top to bottom through vertical movement of a lifting plate, it is ensured that the burrs are completely cleaned and prevented from entering a tool mounting opening, and the machining efficiency is improved. The mounting precision and stability of the new cutter are influenced, the machining quality and the service life of equipment are guaranteed, and the cleaned burrs fall into a collecting box.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control grinding machine technical field, concretely relates to a tool clamping replacement structure for numerical control grinding machine. BACKGROUND

[0002] Numerical control grinding machine is the machine tool that utilizes abrasive tool to carry out grinding to workpiece surface. Most grinding machines are using high-speed rotating grinding wheel to grind, a few are using oil stone, abrasive belt and other abrasive tools and free abrasive to process, such as honing machine, super-precision machine tool, abrasive belt grinding machine, grinding machine and polishing machine etc. Numerical control grinding machine has numerical control surface grinder, numerical control centerless grinding machine, numerical control internal and external grinding machine, numerical control vertical universal grinding machine, numerical control coordinate grinding machine, numerical control profile grinder and so on, at present, the tool of grinding machine will appear wear and tear after long time work, needs timely replacement.

[0003] But the tool clamping replacement structure for numerical control grinding machine in prior art is inconvenient to clean the polishing machine tool and the mounting port of output end in the grinding machine, after the tool is used for a period of time, burrs are easy to accumulate on the surface of the tool and the mounting port of polishing machine output end, if the burrs are not cleaned up when replacing the tool, it is easy to enter the tool mounting port, which affects the installation precision and stability of the new tool, and even may cause the tool to malfunction in the machining process. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the tool clamping replacement structure for numerical control grinding machine is provided, which solves the problem of inconvenient cleaning of the polishing machine tool and the mounting port of output end in the grinding machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A tool clamping replacement structure for numerical control grinding machine, including workbench and grinding machine body, the workbench is arranged in the lower side of the inner side of the grinding machine body, the front side of the grinding machine body is provided with a polishing machine, the right side of the workbench is installed with a cleaning mechanism, the cleaning mechanism includes a fixed frame and a lifting plate, the fixed frame is fixedly connected to the upper end right side of the workbench, the lifting plate is slidingly connected to the inner side of the fixed frame, one end of the lifting plate is fixedly connected with a ring-shaped mounting plate, the lower end of the ring-shaped mounting plate is detachably connected with a collection box, the upper end of the ring-shaped mounting plate is fixedly connected with a ring-shaped pipe, the inner side of the ring-shaped pipe is connected with a plurality of groups of air nozzles, the upper end left side of the workbench is installed with an installation and dismounting assembly.

[0007] Preferably, the cleaning mechanism further includes an air pump and a bellows, the air pump is fixedly installed on the upper end right side of the workbench, and the bellows is fixedly connected with the air pump and the ring-shaped pipe at both ends.

[0008] Preferably, the inner side of the fixed frame is rotatably connected with a lifting screw rod, the lifting plate is threadedly connected to the outer side of the lifting screw rod, the upper end of the fixed frame is fixedly installed with a servo motor, and the output end of the servo motor is fixedly connected with the lifting screw rod.

[0009] Preferably, the inner side of the fixed frame is fixedly connected with a guide rod, and the outer side of the guide rod is slidably connected with the lifting plate.

[0010] Preferably, the mounting frame comprises a mounting frame, the front and rear sides of the mounting frame are fixedly connected with fixed blocks respectively, the outer sides of the two groups of fixed blocks are hingedly connected with clamping rods, and the ends, away from the fixed blocks, of the clamping rods are fixedly connected with clamping plates.

[0011] Preferably, the inner side of the mounting frame is fixedly installed with a second electric push rod, the output end of the second electric push rod extends to the outer side of the mounting frame and is fixedly connected with a mounting seat, the two ends of the mounting seat are hingedly connected with connecting rods, and the ends, away from the mounting seat, of the connecting rods are hingedly connected with the clamping rods.

[0012] Preferably, the mounting frame further comprises a supporting frame, the supporting frame is fixedly connected to the upper end of the left side of the workbench, the upper end of the supporting frame is fixedly installed with a first electric push rod, and the output end of the first electric push rod extends to the lower end of the supporting frame and is fixedly connected with the mounting frame.

[0013] Compared with the prior art, the utility model discloses an advantage that through being provided with the cleaning mechanism, utilize annular pipe and a plurality of groups of air nozzle to spray high pressure gas, the burr of the output end of polisher and the outside of cutter is completely cleaned, and the up-and-down movement of the lifting plate makes the cleaning process from top to bottom, ensures that the burr is completely removed, prevents its entering cutter installation port, influences the installation precision and stability of new cutter, guarantees the processing quality and equipment life, and the burr cleaned falls into the collecting box, is convenient for subsequent processing and recycling, and keeps the working environment neat.

[0014] Through being provided with the mounting and dismounting assembly, the second electric push rod and the connecting rod mechanism control the opening and closing of the clamping rod and the clamping plate, realize the automatic clamping and dismounting of cutter, and the automatic clamping and dismounting process reduces the intervention of manual operation and avoids the damage of cutter or grinding machine caused by improper operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the cleaning mechanism structure schematic view of the utility model;

[0017] Figure 3 It is the structure schematic view of the upper and lower sides of the annular mounting plate of the utility model;

[0018] Figure 4 The installation and disassembly assembly structural schematic view of the utility model shows that

[0019] Figure 5 The installation frame structural schematic view of the utility model shows that

[0020] The figure mark is:

[0021] 1, workbench; 2, grinding machine body; 201, sander;

[0022] 3, cleaning mechanism; 301, fixed frame; 302, servo motor; 303, guide rod; 304, lifting screw; 305, lifting plate; 306, annular mounting plate; 307, annular pipe; 308, air pump; 309, corrugated pipe; 310, collection box; 311, air nozzle;

[0023] 4, installation and disassembly assembly; 401, support frame; 402, first electric push rod; 403, installation frame; 404, second electric push rod; 405, fixed block; 406, clamping rod; 407, mounting seat; 408, connecting rod; 409, clamping plate. DETAILED DESCRIPTION

[0024] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0025] Example 1

[0026] Please refer to Figures 1-5 As shown in the figure, a tool clamping and replacing structure for numerical control grinding machine includes workbench 1 and grinding machine body 2, workbench 1 is arranged at the inner side below grinding machine body 2, the front side of grinding machine body 2 is provided with sander 201, the right side of workbench 1 is provided with cleaning mechanism 3, cleaning mechanism 3 includes fixed frame 301 and lifting plate 305, fixed frame 301 is fixedly connected to the upper end right side of workbench 1, lifting plate 305 is slidingly connected to the inner side of fixed frame 301, one end of lifting plate 305 is fixedly connected with annular mounting plate 306, the lower end of annular mounting plate 306 is detachably connected with collection box 310, the upper end of annular mounting plate 306 is fixedly connected with annular pipe 307, the inner side of annular pipe 307 is connected with several groups of air nozzles 311, the upper end left side of workbench 1 is provided with installation and disassembly assembly 4.

[0027] In the scheme, the grinding machine body 2 can control the grinder 201 to move, and the grinder 201 can grind the workpiece. Before the tool at the output end of the grinder 201 needs to be replaced, the burrs outside the output end of the grinder 201 and the tool are cleaned first by the cleaning mechanism 3. The grinding machine body 2 controls the grinder 201 to move to the right to the cleaning mechanism 3. At this time, the tool of the grinder 201 is located directly above the middle of the annular pipe 307. Then, the lifting plate 305 can drive the annular mounting plate 306, the annular pipe 307 and the collection box 310 to move upwards, so that the output end of the grinder 201 and the tool are located inside the annular pipe 307 and the collection box 310. At this time, the air nozzle 311 inside the annular pipe 307 can spray high-pressure gas to clean the burrs outside the output end of the grinder 201 and the tool, so as to prevent the burrs from entering the tool mounting hole of the output end of the grinder 201 when the tool is replaced. At the same time that the air nozzle 311 sprays high-pressure gas, the lifting plate 305 drives the annular mounting plate 306, the annular pipe 307 and the collection box 310 to slowly move downwards, so as to clean the output end of the grinder 201 and the tool from top to bottom, and the cleaned burrs fall into the inside of the collection box 310 for collection.

[0028] Further, the cleaned grinder 201 moves to the left to the assembly and disassembly assembly 4 to disassemble the tool and replace a new tool.

[0029] Embodiment 2

[0030] Please refer to Figures 2-3 The cleaning mechanism 3 further includes an air pump 308 and a bellows 309. The air pump 308 is fixedly installed on the upper end of the right side of the workbench 1. The two ends of the bellows 309 are fixedly connected with the air pump 308 and the annular pipe 307 respectively.

[0031] The inside of the fixed frame 301 is rotatably connected with a lifting screw 304. The lifting plate 305 is threadedly connected to the outside of the lifting screw 304. The upper end of the fixed frame 301 is fixedly installed with a servo motor 302. The output end of the servo motor 302 is fixedly connected with the lifting screw 304.

[0032] The inside of the fixed frame 301 is fixedly connected with a guide rod 303. The lifting plate 305 is slidingly connected to the outside of the guide rod 303.

[0033] In the scheme, the air pump 308 and the servo motor 302 are electrically connected with an external power supply. The air pump 308 can transport high-pressure gas to the annular pipe 307 through the bellows 309. The servo motor 302 can drive the lifting screw 304 to rotate, and under the guidance of the guide rod 303, the lifting plate 305 can stably move up and down.

[0034] Embodiment 3

[0035] Please refer to Figures 4-5 As shown in the figure, the mounting and dismounting assembly 4 comprises a mounting frame 403, the front and rear sides of the mounting frame 403 are fixedly connected with fixed blocks 405 respectively, the outer sides of the two groups of fixed blocks 405 are hingedly connected with clamping rods 406, and one ends of the clamping rods 406 away from the fixed blocks 405 are fixedly connected with clamping plates 409.

[0036] The inner side of the mounting frame 403 is fixedly installed with a second electric push rod 404, an output end of the second electric push rod 404 extends to the outer side of the mounting frame 403 and is fixedly connected with a mounting seat 407, and both ends of the mounting seat 407 are hingedly connected with connecting rods 408, and one ends of the connecting rods 408 away from the mounting seat 407 are hingedly connected with the clamping rods 406.

[0037] The mounting and dismounting assembly 4 further comprises a support frame 401, the support frame 401 is fixedly connected to the upper end left side of the workbench 1, the upper end of the support frame 401 is fixedly installed with a first electric push rod 402, and an output end of the first electric push rod 402 extends to the lower end of the support frame 401 and is fixedly connected with the mounting frame 403.

[0038] In the scheme, the second electric push rod 404 can drive the mounting seat 407 to move, so as to control the opening and closing of the clamping rods 406 and the clamping plates 409 through the connecting rods 408, when the tool is dismounted, the clamping rods 406 drive the clamping plates 409 to open, so that the tool at the output end of the grinding machine 201 can move to between the two groups of clamping plates 409, then the clamping rods 406 drive the clamping plates 409 to close to clamp and fix the tool, at this time, the first electric push rod 402 is started to drive the mounting frame 403 to move downward, so as to drive the clamped tool to move downward synchronously for dismounting operation, after the tool is dismounted, the clamping rods 406 drive the clamping plates 409 to open to contact the clamping of the waste tool, and the waste tool is collected by an external collecting mechanism, at the same time, a new tool is transported between the two groups of clamping plates 409 by an external feeding mechanism, and the clamping rods 406 drive the clamping plates 409 to clamp the new tool, at this time, the first electric push rod 402 is started again to drive the mounting frame 403 to move upward, so as to drive the new tool to be inserted into the mounting port of the output end of the grinding machine 201 for installation, and the clamping rods 406 drive the clamping plates 409 to open again to release the fixation of the new tool, thus, the dismounting and installation operation of the tool of the grinding machine 201 is completed.

[0039] Further, the output end of the second electric push rod 404 extends, so that the clamping rods 406 and the clamping plates 409 open, the output end of the second electric push rod 404 retracts, the clamping rods 406 and the clamping plates 409 close to clamp the tool.

[0040] The working principle and use process of the utility model are as follows: firstly, before the cutter at the output end of the grinding machine 201 is replaced, the grinding machine body 2 controls the grinding machine 201 to move to the right to the cleaning mechanism 3, so that the cutter is located directly above the middle of the annular pipe 307, at this time, the servo motor 302 is started, drives the lifting screw 304 to rotate, the lifting plate 305 stably rises under the guidance of the guide rod 303, drives the annular mounting plate 306, the annular pipe 307 and the collecting box 310 to move upwards, so that the output end of the grinding machine 201 and the cutter enter the inside of the annular pipe 307 and the collecting box 310, at the same time, the air pump 308 transports high-pressure gas to the annular pipe 307 through the corrugated pipe 309, the high-pressure gas sprayed by the air nozzle 311 cleans the burrs outside the output end of the grinding machine 201 and the cutter, then the servo motor 302 continues to work, the lifting plate 305 slowly moves downwards, and the output end of the grinding machine 201 and the cutter are completely cleaned from top to bottom, the burrs after cleaning fall into the collecting box 310, the grinding machine 201 after cleaning moves to the left to the installation and disassembly assembly 4, the output end of the second electric push rod 404 is stretched out, the clamping rod 406 and the clamping plate 409 are controlled to be opened through the connecting rod 408, so that the cutter can move to between the two sets of clamping plates 409, at this time, the output end of the second electric push rod 404 is retracted, the clamping rod 406 drives the clamping plate 409 to close, the cutter is clamped and fixed, and the first electric push rod 402 is started, drives the mounting frame 403 to move downwards, so as to drive the clamped cutter to move downwards synchronously for disassembly, then the clamping plate 409 is opened, the clamping of the waste cutter is released, and the waste cutter is collected by the external collecting mechanism, at this time, the external feeding mechanism transports a new cutter between the two sets of clamping plates 409, the clamping rod 406 drives the clamping plate 409 to clamp the new cutter, the first electric push rod 402 is started again, drives the mounting frame 403 to move upwards, so as to drive the new cutter to be inserted into the mounting port of the output end of the grinding machine 201 for installation, the output end of the second electric push rod 404 is stretched out, the clamping rod 406 and the clamping plate 409 are opened, and the new cutter is fixed, so as to complete the installation.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A tool clamping and changing structure for a CNC grinding machine, comprising a worktable (1) and a grinding machine body (2), characterized in that: The worktable (1) is located on the lower inner side of the grinding machine body (2). A grinding machine (201) is provided on the front side of the grinding machine body (2). A cleaning mechanism (3) is installed on the right side of the worktable (1). The cleaning mechanism (3) includes a fixed frame (301) and a lifting plate (305). The fixed frame (301) is fixedly connected to the upper right side of the worktable (1). The lifting plate (305) is slidably connected to the inner side of the fixed frame (301). One end of the lifting plate (305) is fixedly connected to an annular mounting plate (306). The lower end of the annular mounting plate (306) is detachably connected to a collection box (310). The upper end of the annular mounting plate (306) is fixedly connected to an annular tube (307). Several sets of air nozzles (311) are connected to the inner side of the annular tube (307). An installation and removal assembly (4) is installed on the upper left side of the worktable (1).

2. The tool clamping and changing structure for a CNC grinding machine according to claim 1, characterized in that: The cleaning mechanism (3) also includes an air pump (308) and a corrugated pipe (309). The air pump (308) is fixedly installed on the upper right side of the workbench (1), and the two ends of the corrugated pipe (309) are fixedly connected to the air pump (308) and the annular pipe (307) respectively.

3. The tool clamping and changing structure for a CNC grinding machine according to claim 1, characterized in that: The inner side of the fixed frame (301) is rotatably connected to a lifting screw (304), and the lifting plate (305) is threadedly connected to the outer side of the lifting screw (304). A servo motor (302) is fixedly installed at the upper end of the fixed frame (301), and the output end of the servo motor (302) is fixedly connected to the lifting screw (304).

4. The tool clamping and changing structure for a CNC grinding machine according to claim 1, characterized in that: The inner side of the fixed frame (301) is fixedly connected to the guide rod (303), and the lifting plate (305) is slidably connected to the outer side of the guide rod (303).

5. The tool clamping and changing structure for a CNC grinding machine according to claim 1, characterized in that: The installation and removal assembly (4) includes an installation frame (403), with fixing blocks (405) fixedly connected to the front and rear sides of the installation frame (403), and clamping rods (406) hinged to the outer sides of the two sets of fixing blocks (405), with a clamping plate (409) fixedly connected to the end of the clamping rod (406) away from the fixing block (405).

6. The tool clamping and changing structure for a CNC grinding machine according to claim 5, characterized in that: A second electric push rod (404) is fixedly installed on the inner side of the mounting frame (403). The output end of the second electric push rod (404) extends to the outer side of the mounting frame (403) and is fixedly connected to a mounting base (407). Both ends of the mounting base (407) are respectively hinged to connecting rods (408). The end of the connecting rod (408) away from the mounting base (407) is hinged to a clamping rod (406).

7. The tool clamping and changing structure for a CNC grinding machine according to claim 5, characterized in that: The installation and removal assembly (4) also includes a support frame (401), which is fixedly connected to the upper left side of the workbench (1). A first electric push rod (402) is fixedly installed on the upper end of the support frame (401), and the output end of the first electric push rod (402) extends to the lower end of the support frame (401) and is fixedly connected to the mounting frame (403).

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