Tool bit fastening structure for test piece cutting machine

Abstract

The utility model relates to the field of tool bit fastening for cutting machines, and discloses a tool bit fastening structure for a test piece cutting machine, which comprises a transmission shaft, a tool bit seat and a tool bit, one end of the tool bit seat is fixedly connected with a lantern ring seat, the other end of the tool bit seat is fixedly connected with a threaded rod, the other end of the threaded rod is fixedly connected with a shaft sleeve, and the shaft sleeve is fixedly connected with a shaft sleeve. A cylindrical groove is formed in the shaft sleeve, the diameter of the cylindrical groove corresponds to the diameter of the transmission shaft, the cylindrical groove and the transmission shaft are installed in a sleeved mode, a threaded hole is formed in the shaft sleeve, a fixing bolt is connected into the threaded hole in a threaded and sleeved mode, and the fixing bolt corresponds to a shaft rod of the transmission shaft in position. The fixing device is integrally designed, a fixing shaft and a gasket do not need to be detached when the blade is replaced, the trouble of losing accessories is avoided, meanwhile, the effect of rapidly replacing the blade is achieved through the design of simplifying operation steps, time waste in the process is reduced, and the working efficiency of manufacturing personnel is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cutter head fastening for cutting machine, concretely relates to a cutter head fastening structure for test piece cutting machine. BACKGROUND

[0002] The test piece cutting machine is a kind of equipment for cutting material test piece, and usually adopts cutting tool, such as saw blade, blade and the like, and carries out cutting to material by driving tool high-speed rotation or linear motion by motor.The working principle can be divided into the following steps: fixing material;The material to be cut is fixed on the workbench of cutting machine, to ensure that the material does not move during cutting.Adjust cutting parameters;According to the properties of material and the size of required test piece, the speed, feed amount, cutting depth and other parameters of cutting tool are adjusted.

[0003] Start cutting;Press the start button, and the motor drives the cutting tool to start working, and cuts the material.Cutting is completed;When cutting is completed, the motor is turned off, and the cut test piece is taken out.

[0004] In the existing cutting machine, the blade is usually fixedly installed on the rotating shaft of the cutting machine, and professional wrench and other tools are needed for dismounting and fastening during installation and dismounting, which is complicated to operate, and the installation bolt and gasket are in split type and easy to lose, and after the cutting machine cuts the target object for a period of time, the blade will be worn, so that the internal frosted blade needs to be replaced in order to prevent the cutting surface from being too rough, but the existing cutting machine is inconvenient for workers to operate and replace the blade, which not only consumes the time of workers, but also reduces the overall work efficiency.

[0005] Therefore, we need to develop a test piece cutting machine cutter head fastening structure convenient for replacing blade. INVENTION CONTENTS

[0006] In order to solve the technical problems that professional wrench and other tools are needed for dismounting and fastening during installation and dismounting, which is complicated to operate, and the installation bolt and gasket are in split type and easy to lose, and the existing cutting machine is inconvenient for workers to operate and replace the blade, and consumes the time of workers, the basic concept of the technical scheme adopted by the utility model is:

[0007] A test piece cutting machine cutter head fastening structure, comprising a transmission shaft, a cutter head seat and a cutter head, one end of the cutter head seat is fixedly connected with a collar seat, and the other end of the cutter head seat is fixedly connected with a threaded rod, the other end of the threaded rod is fixedly connected with a shaft sleeve, a cylindrical recess is formed in the inside of the shaft sleeve, the diameter of the cylindrical recess corresponds to the diameter of the transmission shaft, and the cylindrical recess is sleeved and installed with the transmission shaft, and a threaded hole is formed in the shaft sleeve, a fixed bolt is sleeved and screwed in the threaded hole, and the fixed bolt corresponds to the position of the shaft rod of the transmission shaft.

[0008] As a preferred embodiment of the utility model, the inside of the cutter head seat is provided with a fastening mechanism, the fastening mechanism comprises a pull rod, the pull rod penetrates the threaded rod, the cutter head seat and the collar seat and is movably sleeved with them, one end of the pull rod is fixedly connected with a clamping block, a second sliding groove is formed in the rod body of the threaded rod, the second sliding groove corresponds to the clamping block and is slidably sleeved with it.

[0009] As a preferred embodiment of the utility model, the other end of the pull rod is provided with a first sliding groove, a limiting rod is fixedly installed in the inner side of the first sliding groove, and a cutter head fastening block is movably installed in the groove of the first sliding groove, a rod groove is formed in the inner side of the cutter head fastening block, the rod groove corresponds to the limiting rod and is movably sleeved with it.

[0010] As a preferred embodiment of the utility model, a groove is formed in the collar seat, the width of the groove corresponds to the thickness of the cutter head fastening block and is slidably sleeved with it, and the collar seat is divided into different diameters in a stepped manner and corresponds to cutter heads with different inner hole diameters.

[0011] As a preferred embodiment of the utility model, a fastening knob is threadedly sleeved on the rod body of the threaded rod, an annular groove is arranged on one side of the fastening knob, the annular groove corresponds to the clamping block and is slidably sleeved with it.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a fixing device is designed integrally, when the blade is replaced, the fixing shaft and the gasket do not need to be removed, the trouble of accessory loss is avoided, and through the design of simplifying operation steps, the effect that the blade is quickly replaced is achieved, time waste in the process is reduced, and the working efficiency of workers is increased.

[0014] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] In the drawings:

[0016] Figure 1 It is three-dimensional schematic view of installation effect of cutter head fastening structure for test piece cutting machine;

[0017] Figure 2 It is three-dimensional schematic view of dismounting and replacing process of cutter head fastening structure for test piece cutting machine;

[0018] Figure 3 It is schematic view of face structure relation section of cutter head fastening structure for test piece cutting machine;

[0019] Figure 4 It is a fixed shaft disassembling profile schematic view of a tool bit fastening structure of a test piece cutting machine;

[0020] Figure 5 It is a whole three-dimensional front view explosion schematic view of a tool bit fastening structure of a test piece cutting machine;

[0021] Figure 6 It is a whole three-dimensional rear view explosion schematic view of a tool bit fastening structure of a test piece cutting machine.

[0022] In the figure: 1, transmission shaft; 2, shaft sleeve; 3, fixed bolt; 4, fastening knob; 5, tool bit seat; 6, tool bit; 7, tool bit fastening block; 8, collar seat; 9, pull rod; 10, clamping block; 11, threaded rod; 12, first sliding groove; 13, limiting rod; 14, rod groove; 15, second sliding groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0024] As Figures 1 to 6 shown, a tool bit fastening structure of a test piece cutting machine, including transmission shaft 1, tool bit seat 5 and tool bit 6, one end of tool bit seat 5 is fixedly connected with collar seat 8, and the other end of tool bit seat 5 is fixedly connected with threaded rod 11, the other end of threaded rod 11 is fixedly connected with shaft sleeve 2, the inside of shaft sleeve 2 is provided with cylindrical recess, the diameter of this cylindrical recess corresponds with the diameter of transmission shaft 1, and is installed in sleeve joint with it, and threaded hole is provided on shaft sleeve 2, the inside of this threaded hole is threadedly connected with fixed bolt 3, fixed bolt 3 corresponds with the position of the shaft of transmission shaft 1.

[0025] In the present setting, the utility model discloses a one-piece design of the fixing device, which avoids the loss of spare parts when replacing the blade, and achieves the effect of quickly replacing the blade by simplifying the operation steps, reduces the time waste in the process, and increases the work efficiency of the workers.

[0026] As Figures 1 to 6 shown, in the specific embodiment, the inside of tool bit seat 5 is provided with a fastening mechanism, the fastening mechanism includes pull rod 9, pull rod 9 penetrates threaded rod 11, tool bit seat 5 and collar seat 8, and is movably connected with them, and one end of pull rod 9 is fixedly connected with clamping block 10, rod body of threaded rod 11 is provided with second sliding groove 15, second sliding groove 15 corresponds with clamping block 10, and is movably connected with it.

[0027] In the present arrangement, the tool head fastening block 7 is rotated and laid down, at this time the mounting hole in the center of the tool head 6 is passed through the tool head fastening block 7, and the tool head 6 is sleeved on the collar seat 8.

[0028] As Figures 1 to 6 shown, in a specific embodiment, the other end of the pull rod is provided with a first sliding groove 12, a limiting rod 13 is fixedly installed in the inner side of the first sliding groove 12, and a tool head fastening block 7 is movably installed in the groove of the first sliding groove 12.

[0029] In the present arrangement, the tool head fastening block 7 is re-inverted and vertically slid outward, at this time the tool head fastening block 7 is in a locked state and cannot be rotated.

[0030] As Figures 1 to 6 shown, in a specific embodiment, a groove is formed in the collar seat 8, the width of the groove corresponds to the thickness of the tool head fastening block 7 and is slidably sleeved with the tool head fastening block 7, and the collar seat 8 is divided into different diameters in a stepped manner and corresponds to tool heads 6 of different inner hole diameters.

[0031] In the present arrangement, when the device is used, the fastening knob 4 is first rotated and moved to the tool head seat 5 side, and then the tool head fastening block 7 is pushed inward, at this time the tool head fastening block 7 is in a rotatable state.

[0032] As Figures 1 to 6 shown, in a specific embodiment, a fastening knob 4 is threadedly sleeved on the rod body of the threaded rod 11, and an annular groove is arranged on one side of the fastening knob 4, the annular groove corresponds to the clamping block 10 and is slidably sleeved with the clamping block 10.

[0033] In the present arrangement, the fastening knob 4 is rotated and moved to the transmission shaft 1 side, the clamping block 10 is pushed to pull the pull rod, the tool head fastening block 7 is driven to move inward, and finally the tool head 6 is clamped and locked.

[0034] The implementation principle of the tool head fastening structure of the test piece cutting machine in the embodiment is as follows:

[0035] The utility model discloses a fixing device is designed in integration, when replacing the blade, does not have to take down fixed axle and gasket, avoids the trouble of spare parts loss, and through the design of simplifying operation step reaches the effect of quick replacement of blade, reduces the time waste in this process, increases the work efficiency of the work personnel,

[0036] In use of the device, first rotate the fastening knob 4 to the side of the cutter head seat 5, then push the cutter head fastening block 7 to the inner side, at this time the cutter head fastening block 7 is in a rotatable state, rotate the cutter head fastening block 7 to lay down, at this time the installation hole in the center of the cutter head 6 can pass through the cutter head fastening block 7, and the cutter head 6 is sleeved on the sleeve ring seat 8, at this time the cutter head fastening block 7 is re-inverted vertically and is slid outward, at this time the cutter head fastening block 7 is in a locked state and cannot be rotated, then rotate the fastening knob 4 to the side of the transmission shaft 1, through pushing the clamping block 10 to pull the pull rod, the cutter head fastening block 7 is driven to move to the inner side, and finally the cutter head 6 is clamped and locked.

Claims

1. A kind of test piece cutting machine with the fastening structure of cutter head, including transmission shaft (1), cutter head seat (5) and cutter head (6), it is characterized in that: One end of the cutter head seat (5) is fixedly connected with the lantern ring seat (8), and the other end of the cutter head seat (5) is fixedly connected with threaded rod (11), the other end of the threaded rod (11) is fixedly connected with the shaft sleeve (2), the inside of the shaft sleeve (2) is provided with cylindrical recess, the diameter of this cylindrical recess corresponds with the diameter of transmission shaft (1), and is installed with sleeve, and threaded hole is set up on the shaft sleeve (2), the inside screw thread of this threaded hole is sleeved with fixed bolt (3), the fixed bolt (3) corresponds with the position of the shaft of transmission shaft (1).

2. The tool bit fastening structure for a coupon cutting machine according to claim 1, wherein The inside of the cutter head seat (5) is provided with fastening mechanism, the fastening mechanism includes pull rod (9), the pull rod (9) is through threaded rod (11), cutter head seat (5) and lantern ring seat (8), and is movably sleeved with them, and one end of the pull rod (9) is fixedly connected with the clamping block (10), the rod body of threaded rod (11) is provided with second sliding slot (15), the second sliding slot (15) corresponds with the clamping block (10), and is slidably sleeved with it.

3. The tool bit fastening structure for a coupon cutting machine according to claim 2, wherein The other end of the pull rod is provided with first sliding slot (12), the first sliding slot (12) is fixedly installed with limit rod (13) on the inner side, and the cutter head fastening block (7) is movably installed in the groove of first sliding slot (12), the inner side one end of the cutter head fastening block (7) is provided with rod slot (14), the rod slot (14) corresponds with the limit rod (13), and is movably sleeved with it.

4. The tool bit fastening structure for a coupon cutting machine according to claim 2, wherein Groove is set up on the lantern ring seat (8), the width of this groove corresponds with the thickness of cutter head fastening block (7), and is slidably sleeved with it, and the lantern ring seat (8) is divided into different diameters in stepped form, and corresponds with the cutter head (6) of different inner hole diameters.

5. The tool bit fastening structure for a coupon cutting machine according to claim 2, wherein The rod body of threaded rod (11) is threadedly sleeved with fastening knob (4), the side of the fastening knob (4) is provided with annular groove, the annular groove corresponds with the clamping block (10), and is slidably sleeved with it.

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