CN221312772U

CN221312772U - Tooth form manufacturing device of large-scale output gear shaft

Info

Publication number: CN221312772U
Application number: CN202323075837.6U
Authority: CN
Inventors: 马晓冰; 赵勇; 彭明清; 刘瑞
Original assignee: Jiangyin Tiancheng Mechanical Equipment Co ltd
Current assignee: Jiangyin Tiancheng Mechanical Equipment Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-07-12
Anticipated expiration: 2033-11-15

Abstract

The utility model relates to a tooth form manufacturing device of a large output tooth shaft, which comprises a vertical band sawing machine and a saw tooth tool, wherein the vertical band sawing machine comprises a workbench and a band saw blade, and the saw tooth tool is arranged on the workbench; the saw-tooth tool comprises a saw-tooth tool upper disc, a saw-tooth tool lower disc and a bottom plate which are sequentially arranged from top to bottom, wherein the bottom plate is arranged on the workbench; the center of the upper disc of the sawtooth tool and the center of the lower disc of the sawtooth tool are provided with center holes for sleeving a machined gear shaft, and the machined gear shaft is detachably connected with the lower disc of the sawtooth tool; the top of vertical band sawing machine is equipped with the laser tracker, and the laser tracker sets up directly over the band saw blade, and the band saw blade cuts along the laser line. The utility model improves the tooth cutting efficiency, reduces the production cost and improves the economic reliability of tooth shape processing of the large-scale output gear shaft.

Description

Tooth form manufacturing device of large-scale output gear shaft

Technical Field

The utility model relates to the technical field of tooth profile machining of a tooth shaft, in particular to a tooth profile manufacturing device of a large-scale output tooth shaft, which is mainly used for rough machining of a large-modulus tooth profile.

Background

The large-modulus tooth form rough machining adopts a machine tool and a cutter for gear hobbing or gear milling, the existing machining mode is usually preferred to a machining center to mill the whole tooth form (the vertical machining center or the horizontal machining center can machine); another machining mode is wire cutting tooth form, two-dimensional tooth form is generated by Kisssoft, and then the tooth form is cut according to the tooth form diagram. However, the conventional processing method has the following problems:

Because the machining allowance of the large-modulus tooth form is more, the cutting time for milling the whole tooth slot is longer, the blade loss is relatively serious, the production plan can be arranged to ensure the machining period under the condition of single or several pieces of production, if the large-modulus tooth form is required to be produced in batches, the machining period cannot be completed under the condition that a certain number of machine tools are provided, the machining period of each piece is longer, the machining efficiency is lower, and the machining cost is high. In addition, if wire cutting machining is adopted, the machining period is longer, and the method is not suitable for mass production of the large-modulus tooth form. Therefore, how to economically and reliably solve the processing of such parts and to improve the processing efficiency is the key direction of the current research improvement.

Disclosure of Invention

The utility model aims to overcome the defects, and provides a tooth form manufacturing device for a large-scale output tooth shaft, which solves the defects of large machining allowance, high manufacturing cost and the like of the existing large-modulus tooth form, and improves the economic reliability of machining to the greatest extent under the condition that the quality of parts meets the requirements of drawings.

The purpose of the utility model is realized in the following way:

The tooth form manufacturing device of the large-scale output tooth shaft comprises a tooth form tool arranged on a vertical band sawing machine, wherein the vertical band sawing machine comprises a frame, a workbench and band saw blades are arranged on the frame, and the tooth form tool is arranged on the workbench; the saw-tooth tool comprises a saw-tooth tool upper disc, a saw-tooth tool lower disc and a bottom plate which are sequentially arranged from top to bottom, wherein the bottom plate is arranged on the workbench, the saw-tooth tool lower disc is detachably arranged on the bottom plate, and the saw-tooth tool upper disc is rotatably arranged on the saw-tooth tool lower disc; the center of the upper disc of the sawtooth tool and the center of the lower disc of the sawtooth tool are provided with center holes for sleeving a machined gear shaft, and the machined gear shaft is detachably connected with the lower disc of the sawtooth tool; the upper part of the saw-tooth tool lower disc is provided with a circular groove, the outer diameter of the circular groove is matched with that of the saw-tooth tool upper disc, and the bottom of the saw-tooth tool upper disc is arranged in the circular groove;

The machine frame top of vertical band sawing machine is equipped with the laser tracker, and colored laser that the laser tracker sent forms the laser line on being processed the tooth axle, the laser tracker sets up directly over the band saw blade for the laser tracker is on same axis with the band saw blade, and the band saw blade cuts along the laser line.

Further, the bottom surface of the saw-tooth tool upper disc is provided with a circle of ball upper groove, the bottom surface of the circular groove is provided with a circle of ball lower groove, the position of the ball lower groove corresponds to the ball upper groove, when the saw-tooth tool upper disc is arranged on the saw-tooth tool lower disc, the ball upper groove and the ball lower groove form a ball groove, and the ball is arranged in the ball groove, so that the saw-tooth tool upper disc can rotate.

Further, the left end and the right end of the circular groove are respectively provided with a shaft hole for inserting bolts to fix the saw-tooth tool lower disc on the bottom plate.

Further, a connecting hole is further formed in one side of the circular groove, a through hole is formed in the machined gear shaft, a positioning pin is inserted into the through hole, and the bottom of the positioning pin is inserted into the connecting hole, so that the saw-tooth tool lower disc is detachably connected with the machined gear shaft.

Further, a bottom plate mark line is arranged on the bottom plate, and the bottom plate mark line and the laser line are on the same straight line.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the rotatable upper disc and lower disc are adopted on the workbench of the vertical band sawing machine, the machined tooth shaft is provided with the equally-divided holes, the band saw blade of the vertical band sawing machine is cut along the laser line, the laser line is coincident with the marking line, the sawtooth position line on one side of the equally-divided holes is coincident with the marking line in the same line during cutting, the cutting of the band saw blade along the sawtooth surface is realized, the left-side sawtooth line is cut, the machined tooth shaft is adjusted to be repeatedly operated, and the right-side cutting is completed, so that the tooth cutting efficiency is improved, the sawing machine rate is low, the production cost is reduced, the manual labor is reduced, and the economic reliability of tooth shape machining of the large-sized output tooth shaft is improved.

Drawings

Fig. 1 is a schematic view of the structure of the saw left tooth surface of the present utility model.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of the saw-tooth tooling in fig. 1.

Fig. 4 is a schematic view of the structure of the right saw tooth surface of the present utility model.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a schematic structural diagram of the saw-tooth tooling in fig. 4.

Fig. 7 is a cross-sectional view of the serrated tooling upper plate of the present utility model.

Fig. 8 is a cross-sectional view of the serrated tooling lower plate of the present utility model.

Fig. 9 is a top view of the serrated tooling lower tray of the present utility model.

Fig. 10 is a schematic view of the saw tooth pattern and punching of the present utility model.

Wherein:

The vertical band sawing machine 1, the laser tracker 2, the band saw blade 3, the machined tooth shaft 4, the saw-tooth tool upper disc 5, the ball upper groove 51, the saw-tooth tool lower disc 6, the circular groove 61, the ball lower groove 62, the connecting hole 63, the positioning pin 7, the ball 8, the bottom plate 9, the laser line 10 and the bottom plate marking line 11.

Detailed Description

In order to better understand the technical solution of the present utility model, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present utility model, but are merely examples of embodiments that may be employed by the present utility model. It should be noted that, the description herein of the positional relationship of the components, such as the component a being located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.

Example 1

Referring to fig. 1-10, fig. 1 shows a schematic diagram of a tooth form manufacturing device for a large-sized output tooth shaft. As shown in the figure, the tooth form manufacturing device of the large output tooth shaft comprises a saw tooth tool arranged on a vertical band sawing machine 1, wherein the vertical band sawing machine 1 comprises a frame, a workbench and a cutting assembly are arranged on the frame, the cutting assembly comprises a band saw blade 3, the band saw blade 3 moves to be used for cutting a machined tooth shaft 4 on the workbench, and the saw tooth tool is arranged on the workbench.

The sawtooth tool comprises a sawtooth tool upper disc 5, a sawtooth tool lower disc 6 and a bottom plate 9 which are sequentially arranged from top to bottom, wherein the sawtooth tool upper disc 5 is a circular ring disc, a central hole is used for sleeving a machined tooth shaft 4, and a circle of ball upper grooves 51 are formed in the bottom surface of the sawtooth tool upper disc 5; the center of the saw-tooth tool lower disc 6 is provided with a center hole consistent with the center hole of the saw-tooth tool upper disc 5, the center hole is used for sleeving a machined gear shaft 4, the upper part of the saw-tooth tool lower disc 6 is provided with a circular groove 61, the outer diameter of the circular groove 61 is matched with that of the saw-tooth tool upper disc 5, the bottom of the saw-tooth tool upper disc 5 is arranged in the circular groove 61, the bottom surface of the circular groove 61 is provided with a circle of ball lower grooves 62, the positions of the ball lower grooves 62 correspond to the ball upper grooves 51, when the saw-tooth tool upper disc 5 is arranged on the saw-tooth tool lower disc 6, the ball upper grooves 51 and the ball lower grooves 62 form ball grooves, and balls 8 are arranged in the ball grooves, so that the saw-tooth tool upper disc 5 can rotate; the left end and the right end of the circular groove 61 are respectively provided with a shaft hole for inserting bolts to fix the saw-tooth tool lower disc 6 on the bottom plate 9; one side of the circular groove 61 is also provided with a connecting hole 63, the machined gear shaft 4 is provided with a through hole, the positioning pin 7 is inserted into the through hole, and the bottom of the positioning pin 7 is inserted into the connecting hole 63, so that the saw-tooth tool lower disc 6 is detachably connected with the machined gear shaft 4.

The top of the frame of the vertical band sawing machine 1 is provided with a laser tracker 2, colored laser emitted by the laser tracker 2 forms a laser line 10 on a machined tooth shaft 4, and the laser tracker 2 is arranged right above the band saw blade 3, so that the laser tracker 2 and the band saw blade 3 are on the same axis, and the band saw blade 3 cuts along the laser line 10.

The bottom plate 9 is fixed on a workbench of the vertical band sawing machine 1, a bottom plate marking line 11 is arranged on the bottom plate 9, and the bottom plate marking line 11 and the laser line 10 are on the same straight line.

Working principle:

Firstly, drilling equally divided cutter retracting holes at tooth-shaped tooth root positions of a machined gear shaft by using a U drill, wherein the diameters of the cutter retracting holes are determined according to the sizes of tooth root fillets;

Then adjusting the tracker to enable the emitted colored laser to coincide with the saw blade, and adjusting whether the limit of the sawing machine is reasonable according to the stroke of the part required to be fed, so as to prevent the risk of scrapping the part caused by the saw blade sawing through the head in the using process;

Mounting the base plate on a workbench, and aligning a laser tracking line with a base plate marking line;

After the saw-tooth tool upper disc, the ball and the saw-tooth tool lower disc are combined according to the figure, the saw-tooth tool upper disc, the ball and the saw-tooth tool lower disc are combined with the bottom plate to the right end through keys and screws, the position relationship between the saw-tooth tool upper disc, the ball and the saw-tooth tool lower disc is ensured by the screws, the combined upper disc can be easily and manually coiled, at the moment, a part is placed on the tool upper disc, a positioning pin is inserted, the circular motion of a machined tooth shaft is limited, at the moment, a laser line, a saw blade, a bottom plate marking line and a tooth part are positioned on the same straight line by a sawn left tooth surface, one tooth rotates by an adjacent hole angle after sawing, and the positioning pin is repeatedly inserted until all left tooth surfaces of all batches of parts are sawn completely;

And integrally moving the saw-tooth tool assembly of the saw-tooth tool upper disc, the ball and the saw-tooth tool lower disc to the left end position of the bottom plate, wherein the laser line, the saw blade, the bottom plate marking line and the tooth part are positioned on the same straight line by the right tooth surface of the saw, and repeating the above mode to finish the processing of the right tooth surface of all parts.

The utility model fully considers the operability, and the sawing line positions of the left tooth surface and the right tooth surface are two parallel lines, so that the same positioning pin position is only needed to realize circumference indexing equal division no matter the sawing of the left tooth surface or the right tooth surface; if two locating pin positions are needed in non-parallel mode, namely one pin hole position is needed for the sawn left tooth surface, the other pin hole position is needed for the sawn right tooth surface, inconvenience is brought to operators, and confusion risks are caused.

According to the utility model, the sawtooth tool of the rotary table is adopted to realize tooth cutting processing of the tooth part, so that most of processing allowance is removed efficiently; the vertical machining center rough mills a cutter tooth part according to the tooth profile diagram after the tooth is sawed, the high and sharp points of the tooth part after the tooth part is cut are removed, and the allowance of the tooth part can be consistent, so that the consistency of the hardness after heat is ensured.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims

1. The utility model provides a tooth form manufacturing installation of large-scale output tooth axle which characterized in that: the saw-tooth tool comprises a saw-tooth tool arranged on a vertical band sawing machine (1), wherein the vertical band sawing machine (1) comprises a frame, a workbench and a band saw blade (3) are arranged on the frame, and the saw-tooth tool is arranged on the workbench; the saw-tooth tool comprises a saw-tooth tool upper disc (5), a saw-tooth tool lower disc (6) and a bottom plate (9) which are sequentially arranged from top to bottom, wherein the bottom plate (9) is arranged on a workbench, the saw-tooth tool lower disc (6) is detachably arranged on the bottom plate (9), and the saw-tooth tool upper disc (5) is rotatably arranged on the saw-tooth tool lower disc (6); the center of the upper saw-tooth tool disc (5) and the center of the lower saw-tooth tool disc (6) are provided with center holes for sleeving a machined gear shaft (4), and the machined gear shaft (4) is detachably connected with the lower saw-tooth tool disc (6); the upper part of the saw-tooth tool lower disc (6) is provided with a circular groove (61), the outer diameter of the circular groove (61) is matched with that of the saw-tooth tool upper disc (5), and the bottom of the saw-tooth tool upper disc (5) is arranged in the circular groove (61);

The machine frame top of vertical band sawing machine (1) is equipped with laser tracker (2), and colored laser that laser tracker (2) sent forms laser line (10) on being processed tooth axle (4), laser tracker (2) set up directly over band saw (3) for laser tracker (2) and band saw (3) are on same axis, and band saw (3) are along laser line (10) cutting.

2. The tooth form manufacturing device of a large-sized output gear shaft according to claim 1, wherein: the bottom surface of sawtooth frock upper disc (5) is equipped with round ball upper groove (51), the bottom surface of circular recess (61) is equipped with round ball lower groove (62), the position in ball lower groove (62) corresponds with ball upper groove (51), and when sawtooth frock upper disc (5) set up on sawtooth frock lower disc (6), ball upper groove (51) and ball lower groove (62) form the ball groove, set up ball (8) in this ball groove for sawtooth frock upper disc (5) are rotatable.

3. The tooth form manufacturing device of a large-sized output gear shaft according to claim 1, wherein: the left end and the right end of the circular groove (61) are respectively provided with a shaft hole for inserting bolts to fix the sawtooth tool lower disc (6) on the bottom plate (9).

4. The tooth form manufacturing device of a large-sized output gear shaft according to claim 1, wherein: one side of the circular groove (61) is also provided with a connecting hole (63), a through hole is formed in the machined gear shaft (4), a positioning pin (7) is inserted into the through hole, and the bottom of the positioning pin (7) is inserted into the connecting hole (63), so that the sawtooth tool lower disc (6) is detachably connected with the machined gear shaft (4).

5. The tooth form manufacturing device of a large-sized output gear shaft according to claim 1, wherein: the base plate (9) is provided with a base plate marking line (11), and the base plate marking line (11) and the laser line (10) are on the same straight line.