Automatic tooth opening device and tooth opening method
The automatic tooth opening device on a four-axis milling machine efficiently aligns and mills saw blade teeth using a dry cutting saw, addressing inefficiencies and errors in conventional methods, enhancing precision and productivity.
Patent Information
- Application Number
- CN202010848286.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-08-21
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2040-08-21
AI Technical Summary
Conventional methods for opening saw blade teeth are time-consuming, inefficient, and can affect the surface finish and increase welding errors due to the use of grinding wheels.
An automatic tooth opening device utilizing a four-axis milling machine with a rotary device, movable gear alignment mechanism, and tooth opening mechanism, which includes a dry cutting saw, allows for precise alignment and milling of saw blade teeth, enabling efficient and consistent tooth opening.
The method shortens the tooth opening cycle and improves production efficiency while ensuring precision and consistency, eliminating the need for grinding wheels and reducing errors.
Smart Images

Figure CN111922442B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an automatic tooth opening device and a tooth opening method. Background Art
[0002] In the field of metal cutting technology, opening the teeth of the saw blade body to remove the oxide layer is one of the more important processes. Conventional saw blade body opening teeth need to be installed on a grinding wheel automatic tooth opening machine. Grinding the tooth seat with a grinding wheel to remove the black skin is not only time-consuming and inefficient, but also easily affects the surface finish of the tooth opening and increases welding errors. Summary of the invention
[0003] The present invention provides an automatic tooth opening device and a tooth opening method which are simple to operate and can shorten the tooth opening cycle and improve production efficiency on the basis of ensuring tooth opening consistency.
[0004] The automatic tooth opening device of the present invention is characterized by comprising:
[0005] The base platform of the four-axis milling machine is provided with a horizontal mounting surface for mounting a rotary device and a movable gear alignment mechanism;
[0006] The rotary device is arranged on the base platform of the four-axis milling machine, and comprises a movable base and a rotary body. The bottom of the movable base is installed on the mounting surface of the base platform of the four-axis milling machine, and a movable part which can be translated along the base platform of the four-axis milling machine is arranged on the movable base; the rotary body is installed on the movable part, and a rotary center axis parallel to the mounting surface is detachably installed on the rotary body; a plurality of saw blade bodies to be toothed are fixed on the rotary center axis;
[0007] The movable gear alignment mechanism is arranged on the mounting surface of the base platform of the four-axis milling machine, and comprises a gear seat and a gear alignment part, wherein the bottom of the gear seat is movably connected to the mounting surface, and is used to adjust the position of the gear alignment part to adjust the spacing between the gear alignment part and the saw blade body to be cut; the gear alignment part is arranged on the top of the gear seat, and the height of the gear alignment part and the axis of the rotation center axis are kept at the same horizontal height, and is used to align the teeth of the saw blade body to be cut on the rotation center axis;
[0008] The tooth opening mechanism is arranged on one side of the rotary device, and comprises a tooth opening body and a tooth opening part, wherein the tooth opening part comprises a dry cutting saw mounting shaft and a milling tooth opening dry cutting saw, the dry cutting saw mounting shaft is suspended on the vertical lifting end of the tooth opening body, and is used to install the milling tooth opening dry cutting saw and adjust the longitudinal height of the milling tooth opening dry cutting saw; the milling tooth opening dry cutting saw is horizontally installed at the lower end of the dry cutting saw mounting shaft, and is used to open teeth on the saw blade body to be toothed on the rotary center axis;
[0009] The gear opening spindle speed and up and down distance adjustment can be set and adjusted on the four-axis equipment control screen. The speed of the saw blade rotation center axis and the movement of the overall rotation device base in the X-axis and Y-axis directions can also be set and adjusted on the four-axis equipment control screen at the same time. The gear opening feed amount is completed simultaneously by the up and down movement of the gear opening spindle and the movement of the rotation device base in the X-axis and Y-axis directions.
[0010] A plurality of saw blade bodies to be toothed are sleeved on the rotary central axis and are clamped and fixed by flanges and bolts, wherein the saw blade bodies are perpendicular to the axis of the rotary central axis.
[0011] The movable base has movement in two directions, namely, the X-axis and the Y-axis, wherein the Y-axis refers to the rotation center axis arranged along the Y-axis direction.
[0012] The rotating central axis is equipped with a reducing sleeve for adapting to saw blade bodies with different apertures.
[0013] The movable tooth alignment mechanism and the tooth opening mechanism are both located on the same side of the rotating device.
[0014] The method for performing tooth opening using the automatic tooth opening device of the present invention is characterized by comprising the following steps:
[0015] 1) Horizontally suspend the milling toothed dry-cut saw on the toothed saw blade mounting shaft;
[0016] 2) The saw blade body with neat teeth to be cut:
[0017] A plurality of saw blade bodies to be cut are sleeved on the central axis of rotation of the rotary device;
[0018] The saw blade body to be toothed is aligned as a whole through the tooth alignment part of the mobile tooth alignment mechanism, and the axis of the rotating center shaft and the tooth alignment part of the mobile tooth alignment mechanism are ensured to be at the same level, and then the fixing nut is tightened and locked at the axis thread of the rotating center shaft;
[0019] 3) Open the teeth of the saw blade body that is neatly cut:
[0020] Align the open-tooth dry-cut saw, keep the open-tooth dry-cut saw in high-speed rotation, slowly move and adjust the open-tooth main body of the dry-cut saw installation shaft, visually observe when the rotating dry-cut saw is about to touch the tip of the tooth holder of the saw blade to be opened, and listen to the sound to determine whether the dry-cut saw touches the tip of the tooth holder. When the open-tooth dry-cut saw is just aligned with the tip of the tooth that touches the tooth, clear the Y-axis and X-axis to zero;
[0021] On the four-axis equipment control screen, input the required tooth width, depth, number of teeth, and the corresponding dry-cut saw revolutions and feed parameters for milling and toothing;
[0022] 4) After one week of tooth opening, visually inspect whether the black skin on the tooth seat has been completely removed. After confirming that all the black skin on the tooth seat has been completely removed, remove the saw blade body and transfer it to the next process for production and processing.
[0023] The beneficial effects of the present invention are: the method of use is simple, the high precision of the four-axis milling machine is fully utilized, and the tooth opening cycle is shortened and the production efficiency is improved on the basis of ensuring the tooth opening precision and tooth opening consistency. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural schematic diagram of the present invention.
[0025] Figure 2 It is a schematic diagram of the tooth alignment of a part to be processed by milling and toothing according to the present invention.
[0026] Figure 3 It is a schematic diagram of the milling tooth milling process of the present invention. DETAILED DESCRIPTION
[0027] The present invention is further described below in conjunction with the accompanying drawings.
[0028] Refer to the attached figure:
[0029] Embodiment 1 An automatic tooth opening device according to the present invention comprises:
[0030] The four-axis milling machine base platform 1 is provided with a horizontal mounting surface for mounting a rotary device and a movable gear alignment mechanism;
[0031] The rotary device 2 is arranged on the base platform of the four-axis milling machine, and comprises a movable base 21 and a rotary body 22. The bottom of the movable base 21 is mounted on the mounting surface of the base platform 1 of the four-axis milling machine, and a movable part which can be translated along the base platform of the four-axis milling machine is arranged on the movable base 21; the rotary body 22 is mounted on the movable part, and a rotary center axis 221 parallel to the mounting surface is detachably mounted on the rotary body 22; a plurality of saw blade bodies 5 to be toothed are fixed on the rotary center axis 221;
[0032] The movable gear alignment mechanism 3 is arranged on the mounting surface of the base platform of the four-axis milling machine, and includes a tooth seat 31 and a gear alignment portion 32, wherein the bottom of the tooth seat is movably connected to the mounting surface, and is used to adjust the position of the gear alignment portion to adjust the spacing between the gear alignment portion and the saw blade body to be toothed; the gear alignment portion is arranged on the top of the tooth seat, wherein the tooth tip of the gear alignment portion is aligned with the rotation center axis, and the height of the gear alignment portion and the axis of the rotation center axis are kept at the same horizontal height, and is used to align the teeth of the saw blade body to be toothed on the rotation center axis;
[0033] The tooth opening mechanism 4 is arranged on one side of the rotary device, and includes a tooth opening body 41 and a tooth opening part, wherein the tooth opening part includes a dry cutting saw installation shaft 42 and a milling tooth opening dry cutting saw 43, the dry cutting saw installation shaft is suspended at the vertical lifting end of the tooth opening body, and is used to install the milling tooth opening dry cutting saw and adjust the longitudinal height of the milling tooth opening dry cutting saw; the milling tooth opening dry cutting saw is horizontally installed at the lower end of the dry cutting saw installation shaft, and is used to open teeth on the saw blade body to be toothed on the rotary center axis;
[0034] The gear opening spindle speed and up and down distance adjustment can be set and adjusted on the four-axis equipment control screen. The speed of the saw blade rotation center axis and the movement of the overall rotation device base in the X-axis and Y-axis directions can also be set and adjusted on the four-axis equipment control screen at the same time. The gear opening feed amount is completed simultaneously by the up and down movement of the gear opening spindle and the movement of the rotation device base in the X-axis and Y-axis directions.
[0035] A plurality of saw blade bodies to be toothed are sleeved on the rotary central axis and are clamped and fixed by flanges and bolts, wherein the saw blade bodies are perpendicular to the axis of the rotary central axis.
[0036] The movable base has movement in two directions, namely, the X-axis and the Y-axis, wherein the Y-axis refers to the rotation center axis arranged along the Y-axis direction.
[0037] The rotating central axis is equipped with a reducing sleeve for adapting to saw blade bodies with different apertures.
[0038] The movable tooth alignment mechanism and the tooth opening mechanism are both located on the same side of the rotating device.
[0039] Embodiment 2 Referring to the accompanying drawings, the automatic tooth opening device of the present invention includes a four-axis milling machine base platform, a rotating device is installed on the four-axis milling machine base platform, which can move in the X and Y axes, a replaceable rotating center shaft is installed in the Y direction of the rotating device, and the saw blade bodies to be toothed are installed vertically in batches on the rotating center shaft and clamped and fixed with a flange and bolts. The rotating center shaft replaces the center shaft or the reducer sleeve according to the size of the center hole of the saw blade body, and a movable tooth-matching mechanism is provided on the left side of the rotating center shaft, and the tooth tips of the tooth-matching part of the movable tooth-matching mechanism are aligned with the teeth of the saw blade body, and the height of the tooth-matching part and the center axis of the center shaft are kept at the same horizontal height. The tooth opening mechanism is on the left side of the rotating device, and the dry-cutting saw mounting shaft of the tooth opening mechanism can move up and down in the Z axis direction (i.e., perpendicular to the direction of the four-axis milling machine base platform), and a milling tooth-opening dry-cutting saw for milling teeth is installed on the dry-cutting saw mounting shaft, and the milling tooth-opening dry-cutting saw is horizontally installed on the tooth-opening saw blade mounting shaft for tooth-opening the saw blade body.
[0040] Embodiment 3 A method for performing tooth opening using the automatic tooth opening device of the present invention comprises the following steps:
[0041] 1) Pre-install the milling toothed dry-cut saw horizontally on the toothed saw blade mounting shaft;
[0042] 2) The saw blade body with neat teeth to be cut:
[0043] A plurality of saw blade bodies to be cut are sleeved on the central axis of rotation of the rotary device;
[0044] The saw blade body to be toothed is aligned as a whole through the tooth alignment part of the mobile tooth alignment mechanism, and the axis of the rotating central axis and the tooth alignment part of the mobile tooth alignment mechanism are ensured to be at the same horizontal height (i.e., the tooth opening angle of the saw blade body relative to the axis line is kept at 0 degrees), and then the fixing nut is tightened and locked at the axis thread of the rotating central axis;
[0045] 3) Open the teeth of the saw blade body that is neatly cut:
[0046] Align the open-tooth dry-cut saw, keep the open-tooth dry-cut saw in high-speed rotation, slowly move and adjust the open-tooth main body of the dry-cut saw installation shaft, visually observe when the rotating dry-cut saw is about to touch the tip of the tooth holder of the saw blade to be opened, and listen to the sound to determine whether the dry-cut saw touches the tip of the tooth holder. When the open-tooth dry-cut saw is just aligned with the tip of the tooth that touches the tooth, clear the Y-axis and X-axis to zero;
[0047] On the four-axis equipment control screen, input the required tooth width, depth, number of teeth, and the corresponding dry-cut saw revolutions and feed parameters for milling and toothing;
[0048] 4) After one week of tooth opening, visually inspect whether the black skin on the tooth seat has been completely removed. After confirming that all the black skin on the tooth seat has been completely removed, remove the saw blade body and transfer it to the next process for production and processing.
[0049] The contents described in the embodiments of this specification are merely an enumeration of implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be thought of by those skilled in the art based on the inventive concept.
Claims
1. An automatic tooth opening device, characterized in that: include: The base platform of the four-axis milling machine is provided with a horizontal mounting surface for mounting a rotary device and a movable gear alignment mechanism; The rotary device is arranged on the base platform of the four-axis milling machine, and comprises a movable base and a rotary body. The bottom of the movable base is installed on the mounting surface of the base platform of the four-axis milling machine, and a movable part which can be translated along the base platform of the four-axis milling machine is arranged on the movable base; the rotary body is installed on the movable part, and a rotary center axis parallel to the mounting surface is detachably installed on the rotary body; a plurality of saw blade bodies to be toothed are fixed on the rotary center axis; A movable tooth alignment mechanism is arranged on the mounting surface of the base platform of the four-axis milling machine, and comprises a tooth seat and a tooth alignment part, wherein the bottom of the tooth seat is movably connected to the mounting surface, and is used to adjust the position of the tooth alignment part to adjust the spacing between the tooth alignment part and the saw blade body to be toothed; the tooth alignment part is arranged on the top of the tooth seat, wherein the tooth tip of the tooth alignment part is aligned with the rotation center axis, and the height of the tooth alignment part and the axis of the rotation center axis are kept at the same horizontal height, and is used to align the teeth of the saw blade body to be toothed on the rotation center axis; The tooth opening mechanism is arranged on one side of the rotary device, and comprises a tooth opening body and a tooth opening part, wherein the tooth opening part comprises a dry cutting saw mounting shaft and a milling tooth opening dry cutting saw, the dry cutting saw mounting shaft is suspended on the vertical lifting end of the tooth opening body, and is used to install the milling tooth opening dry cutting saw and adjust the longitudinal height of the milling tooth opening dry cutting saw; the milling tooth opening dry cutting saw is horizontally installed at the lower end of the dry cutting saw mounting shaft, and is used to open teeth on the saw blade body to be toothed on the rotary center axis; And a control mechanism, including a controller and a human-machine interaction interface, the signal output end of the controller is electrically connected or signal-connected to the control end of the toothed body, and the signal input end of the controller is electrically connected or signal-connected to the signal output end of the human-machine interaction interface.
2. An automatic tooth opening device according to claim 1, characterized in that: A plurality of saw blade bodies to be toothed are sleeved on the rotary central axis and are clamped and fixed by flanges and bolts, wherein the saw blade bodies are perpendicular to the axis of the rotary central axis.
3. An automatic tooth opening device according to claim 2, characterized in that: The movable base has movement in two directions, namely, the X-axis and the Y-axis, wherein the Y-axis refers to the rotation center axis arranged along the Y-axis direction.
4. An automatic tooth opening device according to claim 3, characterized in that: The rotating central axis is equipped with a reducing sleeve for adapting to saw blade bodies with different apertures.
5. An automatic tooth opening device according to claim 4, characterized in that: The movable tooth alignment mechanism and the tooth opening mechanism are both located on the same side of the rotating device.
6. A method for opening teeth using the automatic tooth opening device according to claim 5, characterized in that: The following steps are involved: 1) Horizontally suspend the milling toothed dry-cut saw on the toothed saw blade mounting shaft; 2) The saw blade body is neatly cut: A plurality of saw blade bodies to be cut are sleeved on the central axis of rotation of the rotary device; The saw blade body to be toothed is aligned as a whole through the tooth alignment part of the mobile tooth alignment mechanism, and the axis of the rotating center shaft and the tooth alignment part of the mobile tooth alignment mechanism are ensured to be at the same level, and then the fixing nut is tightened and locked at the axis thread of the rotating center shaft; 3) Open the teeth of the saw blade body that is neatly cut: Align the open-tooth dry-cut saw, keep the open-tooth dry-cut saw in high-speed rotation, slowly move and adjust the open-tooth main body of the dry-cut saw installation shaft, visually observe when the rotating dry-cut saw is about to touch the tip of the tooth holder of the saw blade to be opened, and listen to the sound to determine whether the dry-cut saw touches the tip of the tooth holder. When the open-tooth dry-cut saw is just aligned with the tip of the tooth that touches the tooth, clear the Y-axis and X-axis to zero; On the four-axis equipment control screen, input the required tooth width, depth, number of teeth, and the corresponding dry-cut saw revolutions and feed parameters for milling and toothing; 4) After one week of tooth opening, visually inspect whether the black skin on the tooth seat has been completely removed. After confirming that all the black skin on the tooth seat has been completely removed, remove the saw blade body and transfer it to the next process for production and processing.
