Cutter changing device of cutting machine

Abstract

The utility model relates to the technical field of cutting machines, in particular to a cutting machine tool changing device which comprises a machine body, a workbench, a supporting frame, a tool rest and a tool changing mechanism. When the automatic cutter replacing device is used, due to the structural design of the cutter rest, the connection between the cutter and the transverse frame is designed to be inserted connection, and the cutter and the transverse frame are clamped and fixed through the clamping and fixing assembly, the cutter can be conveniently installed and detached, a traditional screw and bolt fixing and installing mode is replaced, the automatic cutter replacing function is conveniently achieved, the installing speed is high, and positioning is accurate; and through the structural design of the tool changing mechanism, the equipment is provided with three standby tools, and automatic tool changing of the cutting machine is achieved under the cooperative use of the tool rest and the tool changing mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting machine technical field, concretely relates to a cutting machine tool changing device. BACKGROUND

[0002] The cutting machine is the equipment that is cut to sheet material, coiled material through mechanical or numerical control system, and the core function includes fixed length cutting and positioning cutting, and supports metal foil, flexible material, paper and a variety of material processing.

[0003] At present, the cutting tool used in the cutting process of the existing cutting machine is easy to wear after long time use, the blade needs to be replaced in time after wearing, and the existing cutting knife is fixed on the tool holder by screws and bolts, so that the cutting tool is replaced manually, which is time-consuming and laborious, the installation speed is slow, the positioning is not accurate, and the cutting efficiency is affected because the equipment needs to be stopped for replacing the cutting tool and maintaining without spare cutting tool.

[0004] Therefore, the utility model designs a cutting machine tool changing device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a cutting machine tool changing device.

[0006] To achieve the above object, the utility model provides the following technical scheme: a cutting machine tool changing device, including machine body, workbench, support frame, tool holder and tool changing mechanism, the upper end of the machine body is fixedly connected with workbench, the upper portion of the workbench is provided with support frame, the lower end of the support frame is fixedly connected with the machine body, the upper end of the support frame is provided with the tool holder at the center, the inside of the support frame below the tool holder is provided with the tool changing mechanism;

[0007] The tool holder includes horizontal frame, limiting rod, hydraulic cylinder, cutting knife and clamping assembly, the upper end of the horizontal frame is fixedly connected with limiting rod in a symmetrical mode, the hydraulic cylinder is arranged between the two limiting rods, the inner rod lower end in the hydraulic cylinder is fixedly connected with the horizontal frame, the hydraulic cylinder is fixedly installed on the upper end of the support frame, the limiting rod is slidably connected with the support frame, the lower end of the horizontal frame is provided with plug-in slot, and the plug-in slot is symmetrically provided with clamping assembly.

[0008] As a preferred technical scheme of the utility model, the clamping assembly includes positive and negative toothed rod, first motor, guide rod and sliding clamp block, the positive and negative toothed rod is movably connected in the horizontal frame, one end of the positive and negative toothed rod passes through the horizontal frame and is in transmission connection with the output end of the first motor, the first motor is fixedly installed on the outside of the horizontal frame, the guide rod is symmetrically arranged on the both sides of the positive and negative toothed rod, the sliding clamp block is spirally connected on the positive and negative teeth of the positive and negative toothed rod, and the positive and negative toothed rod is slidably connected with the guide rod.

[0009] As a preferred technical scheme of the utility model, the tool changing mechanism comprises a rotating disc, a placing rack, a shaft coupling and a second motor, four placing racks are fixedly connected in a ring shape between two rotating discs, three of the placing racks are each placed with a spare blade, one side of the placing rack is fixedly connected with the output end of the second motor through the shaft coupling, and the second motor is fixedly installed on one side of the support frame.

[0010] As a preferred technical scheme of the utility model, the two rotating discs of the tool changing mechanism are movably installed on the inner side of the support frame.

[0011] As a preferred technical scheme of the utility model, the placing rack comprises a rack body, a placing groove, a blade groove, a spring groove, a pressing block, an inclined rubber and an elastic spring, the placing groove is formed in the inside of the rack body, the blade groove is further formed in the rack body and is in communication with the placing groove.

[0012] As a preferred technical scheme of the utility model, a plurality of spring grooves are symmetrically formed in the inside of the placing groove, the pressing block is arranged in the inside of the spring groove, the inclined rubber is fixedly connected to one end of the pressing block, the elastic spring is fixedly connected to the other end of the pressing block, and the elastic spring is fixedly connected in the inside of the spring groove.

[0013] As a preferred technical scheme of the utility model, the placing groove is connected with the cutting knife in correspondence with the shape and size.

[0014] As a preferred technical scheme of the utility model, a groove is formed in the upper end of the workbench directly below the cutting knife on the tool holder.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. When the utility model is used, the connection between the cutting knife and the horizontal frame is designed as a plug-in connection and is fixedly clamped by the clamping assembly, so that the cutting knife is convenient to install and disassemble, the traditional screw bolt fixing installation mode is replaced, the function of automatic tool changing is realized, the installation speed is fast, the positioning is accurate, the utility is good, the equipment has three spare tools through the structural design of the tool changing mechanism, and the automatic tool changing of the cutting machine is realized under the cooperation of the tool holder and the tool changing mechanism.

[0017] 2. When the utility model is used, when it is necessary to replace the tool, the rotating disc is driven to rotate by 45 degrees by the second motor, the idle placing rack is rotated to be directly below the tool holder, the cutting knife is inserted into the idle placing rack through the lifting of the horizontal frame, then the placing rack with the spare tool is rotated to be directly below the tool holder by rotating by 45 degrees, and the new cutting knife is installed and fixed by the clamping assembly in the horizontal frame, so that the tool changing of the cutting machine is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0019] Figure 1 It is a whole front view structural schematic diagram of the present application;

[0020] Figure 2 It is a whole side view structural schematic diagram of the present application;

[0021] Figure 3 It is a local enlarged structural schematic diagram of the present application;

[0022] Figure 4 It is a tool rest structural schematic diagram of the present application;

[0023] Figure 5 It is a tool rest local bottom view structural schematic diagram of the present application;

[0024] Figure 6 It is a tool rest local sectional view structural schematic diagram of the present application;

[0025] Figure 7 It is a tool changing mechanism structural schematic diagram of the present application;

[0026] Figure 8 It is a tool changing mechanism vertical sectional view structural schematic diagram of the present application;

[0027] Figure 9 It is a tool changing mechanism local sectional view enlarged structural schematic diagram of the present application.

[0028] In the drawings: 1, machine body; 2, workbench; 201, groove; 3, support frame; 4, tool rest; 401, cross frame; 402, limiting rod; 403, hydraulic cylinder; 404, cutting knife; 405, clamping assembly; 4051, positive and negative toothed rod; 4052, first motor; 4053, guide rod; 4054, sliding clamping block; 5, tool changing mechanism; 501, rotating disc; 502, placing rack; 5021, rack body; 5022, placing groove; 5023, blade groove; 5024, spring groove; 5025, pressing block; 5026, inclined surface rubber; 5027, elastic spring; 503, coupling; 504, second motor. DETAILED DESCRIPTION

[0029] The present application will be described below in conjunction with the accompanying drawings of the embodiments of the present application. Figures 1-8In order to make the technical solutions in the embodiments of the present application clear and complete, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Embodiments

[0031] Please refer to Figures 1-8 The utility model provides the following technical scheme: a cutting machine tool changing device, including body 1, workbench 2, support frame 3, tool rest 4 and tool changing mechanism 5, the upper end fixed connection of body 1 has workbench 2, the top of workbench 2 is provided with support frame 3, and the lower end of support frame 3 is fixedly connected with body 1, and the center of support frame 3 upper end is provided with tool rest 4, and the inside of the just below tool rest 4 support frame 3 is provided with tool changing mechanism 5.

[0032] Tool rest 4 includes horizontal frame 401, limiting rod 402, hydraulic cylinder 403, cutting knife 404 and clamping assembly 405, and the upper end of horizontal frame 401 is fixedly connected with limiting rod 402, limiting rod 402 is provided between the two limiting rods 402, the inner rod lower end of hydraulic cylinder 403 is fixedly connected with horizontal frame 401, hydraulic cylinder 403 is fixedly installed on the upper end of support frame 3, limiting rod 402 is slidably connected with support frame 3, and a plug-in slot is formed in the lower end of horizontal frame 401, and clamping assembly 405 is symmetrically arranged in the plug-in slot.

[0033] Clamping assembly 405 includes positive and negative toothed rod 4051, first motor 4052, guide rod 4053 and sliding clamp block 4054, positive and negative toothed rod 4051 is movably connected in horizontal frame 401, one end of positive and negative toothed rod 4051 penetrates through horizontal frame 401 and is in transmission connection with the output end of first motor 4052, first motor 4052 is fixedly installed outside horizontal frame 401, guide rod 4053 is symmetrically arranged on the both sides of positive and negative toothed rod 4051, and sliding clamp block 4054 is spirally connected to the positive and negative teeth of positive and negative toothed rod 4051, and positive and negative toothed rod 4051 is slidably connected with guide rod 4053.

[0034] Through the structural design of tool rest 4, the traditional tool screw bolt connection mode is replaced by clamping assembly 405, so that the installation of the tool is fast and accurate, and has good practicability.

[0035] Tool changing mechanism 5 includes rotating disc 501, placing rack 502, shaft coupling 503 and second motor 504, four placing racks 502 are fixedly connected in a ring shape between the two rotating discs 501, and three of the placing racks 502 are provided with spare blades, and one side placing rack 502 is fixedly connected with the output end of second motor 504 through shaft coupling 503, and second motor 504 is fixedly installed on one side of support frame 3.

[0036] Two rotating discs 501 on the tool changing mechanism 5 are movably installed on the inner side of the support frame 3.

[0037] The placing frame 502 comprises a frame body 5021, a placing groove 5022, a blade groove 5023, a spring groove 5024, a pressing block 5025, an inclined rubber 5026 and an elastic spring 5027, the inside of the frame body 5021 is provided with the placing groove 5022, and the frame body 5021 is further provided with the blade groove 5023 which is in communication with the placing groove 5022.

[0038] A plurality of spring grooves 5024 are symmetrically formed in the inside of the placing groove 5022, the inside of each spring groove 5024 is provided with the pressing block 5025, one end of the pressing block 5025 is fixedly connected with the inclined rubber 5026, the other end of the pressing block 5025 is fixedly connected with the elastic spring 5027, and the elastic spring 5027 is fixedly connected in the inside of the spring groove 5024.

[0039] The placing groove 5022 is connected with the cutting knife 404 in correspondence with the shape and size.

[0040] The upper end of the workbench 2 directly below the cutting knife 404 on the tool holder 4 is provided with the recess 201.

[0041] Through the structural design of the tool changing mechanism 5, the device has three spare tools, and the automatic tool changing of the cutting machine is realized through the cooperation with the tool holder 4, without stopping the machine, thereby improving the production efficiency.

[0042] The working principle and use process of the utility model are as follows: when the tool needs to be replaced, the rotating disc 501 is driven to rotate 45° by the second motor 504, the idle placing frame 502 is rotated to the position directly below the tool holder 4, then the horizontal frame 401 is lowered by the hydraulic cylinder 403, the cutting knife 404 is inserted into the placing groove 5022 of the idle placing frame 502 through the lowering of the horizontal frame 401, the pressing block 5025 is pressed and fixed to the cutting knife 404 under the action of the elastic spring 5027, then the first motor 4052 drives the positive and negative thread rod 4051 to rotate, the two sliding clamping blocks 4054 are reversely moved to lose the clamping and fixing of the cutting knife 404, then the horizontal frame 401 is moved upward to reset, then the rotating disc 501 is driven to rotate 45° by the second motor 504, the placing frame 502 with the spare tool is rotated to the position directly below the tool holder 4, the horizontal frame 401 is lowered again, the tool is inserted into the horizontal frame 401, the new cutting knife 404 is clamped and fixed by the clamping assembly 405 in the horizontal frame 401, the tool changing of the cutting machine is realized, the utility model has good practicability, fast installation speed and no need to stop the machine to replace the tool.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A cutting machine blade changing device, characterized in that: The machine includes a body (1), a worktable (2), a support frame (3), a tool holder (4), and a tool changing mechanism (5). The upper end of the body (1) is fixedly connected to the worktable (2). The support frame (3) is provided above the worktable (2). The lower end of the support frame (3) is fixedly connected to the body (1). The tool holder (4) is provided at the center of the upper end of the support frame (3). The tool changing mechanism (5) is provided inside the support frame (3) directly below the tool holder (4). The blade holder (4) includes a crossbar (401), a limiting rod (402), a hydraulic cylinder (403), a cutting blade (404), and a clamping assembly (405). The upper end of the crossbar (401) is symmetrically and fixedly connected to the limiting rod (402). A hydraulic cylinder (403) is provided between the two limiting rods (402). The lower end of the inner rod of the hydraulic cylinder (403) is fixedly connected to the crossbar (401). The hydraulic cylinder (403) is fixedly installed on the upper end of the support frame (3). The limiting rod (402) is slidably connected to the support frame (3). The lower end of the crossbar (401) is provided with an insertion groove, and a clamping assembly (405) is symmetrically arranged in the insertion groove.

2. The cutting machine blade changing device according to claim 1, characterized in that: The clamping assembly (405) includes a positive and negative threaded rod (4051), a first motor (4052), a guide rod (4053), and a sliding clamp (4054). The positive and negative threaded rod (4051) is movably connected inside the cross frame (401). One end of the positive and negative threaded rod (4051) passes through the cross frame (401) and is connected to the output end of the first motor (4052). The first motor (4052) is fixedly installed on the outside of the cross frame (401). Guide rods (4053) are symmetrically arranged on both sides of the positive and negative threaded rod (4051). Sliding clamps (4054) are spirally connected to the positive and negative threads of the positive and negative threaded rod (4051). The positive and negative threaded rod (4051) is slidably connected to the guide rod (4053).

3. The cutting machine blade changing device according to claim 1, characterized in that: The tool changing mechanism (5) includes a turntable (501), a placement rack (502), a coupling (503), and a second motor (504). Four placement racks (502) are fixedly connected in a ring between the two turntables (501), and spare blades are placed in three of the placement racks (502). One side of the placement rack (502) is fixedly connected to the output end of the second motor (504) through the coupling (503). The second motor (504) is fixedly installed on one side of the support frame (3).

4. A cutting machine blade changing device according to claim 3, characterized in that: The two turntables (501) on the tool changing mechanism (5) are respectively movably installed on the inner side of the support frame (3).

5. A cutting machine blade changing device according to claim 3, characterized in that: The placement rack (502) includes a frame (5021), a placement groove (5022), a blade groove (5023), a spring groove (5024), a pressure block (5025), a beveled rubber (5026), and a spring (5027). The placement groove (5022) is provided inside the frame (5021), and the blade groove (5023) is also provided inside the frame (5021). The blade groove (5023) is connected to the placement groove (5022).

6. A cutting machine blade changing device according to claim 5, characterized in that: The placement groove (5022) is symmetrically provided with multiple spring grooves (5024) inside. Each spring groove (5024) is provided with a pressure block (5025). One end of the pressure block (5025) is fixedly connected to a beveled rubber (5026), and the other end of the pressure block (5025) is fixedly connected to a spring spring (5027). The spring spring (5027) is fixedly connected inside the spring groove (5024).

7. A cutting machine blade changing device according to claim 5, characterized in that: The placement slot (5022) is connected to the cutting blade (404) in a corresponding shape and size.

8. A cutting machine blade changing device according to claim 1, characterized in that: A groove (201) is provided at the upper end of the worktable (2) directly below the cutting blade (404) on the blade holder (4).

Images