CN218362516U

CN218362516U - Gear chamfering machine

Info

Publication number: CN218362516U
Application number: CN202222947402.5U
Authority: CN
Inventors: 张议匀
Original assignee: Wenling City Yuhong Machinery Co ltd
Current assignee: Wenling City Yuhong Machinery Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-24
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a gear chamfering machine belongs to mechanical technical field. It has solved the not good problem of current chamfering machine practicality. The gear chamfering machine comprises a machine body and a stand column vertically arranged on the machine body, wherein slide seats are arranged on two adjacent sides of the stand column in a vertically sliding manner, plankers are arranged on the two slide seats, bases are arranged on the two plankers in a horizontally sliding manner, the sliding directions of the two bases are vertical, power heads are arranged on the two bases, each planker is provided with a horizontal central axis, and the extending direction of the horizontal central axis is vertical to the sliding direction of the corresponding base; the carriage is rotatably connected with the corresponding sliding seat so that the carriage can rotate around the horizontal central axis of the carriage, and the carriage is detachably locked at a rotating position through a locking part. The gear chamfering machine is good in practicability.

Description

Gear chamfering machine

Technical Field

The utility model belongs to the technical field of machinery, a chamfering machine, especially a gear chamfering machine are related to.

Background

A chamfering machine is a common gear cutting machine. The method is widely applied to the industries such as the automobile industry, the machine manufacturing industry and the like.

The existing chamfering machine is a double-tool-bit gear chamfering machine (application number: 201821912788.3) disclosed in Chinese patent library, and comprises a base and a numerical control system, wherein a rotary worktable is arranged on the base, a tool rest upright post is arranged on the base, and a first longitudinal sliding plate and a second longitudinal sliding plate are respectively arranged on two opposite sides of the tool rest upright post; a first cross sliding plate is arranged on the first longitudinal sliding plate, and a second cross sliding plate is arranged on the second longitudinal sliding plate; a first main shaft is arranged on the first cross sliding plate, and a second main shaft is arranged on the second cross sliding plate; a first tool bit is arranged on the first main shaft, and a second tool bit is arranged on the second main shaft; the gear chamfering machine is provided with a probe for detecting tooth tops and root inserting signals of the rotating gear to be machined under the condition that the gear chamfering machine is not in contact with the gear to be machined, and the numerical control system calculates the angle of the gear to be machined to determine the feed points of the first cutter head and the second cutter head on the gear.

When the tool is used, a workpiece is clamped and positioned by the tool clamp, and the first tool bit and the second tool bit are used for machining. When a thin workpiece is machined, the tool bit needs to be infinitely close to the workpiece, so that the main shaft collides with the tool clamp, and interference exists. In the chamfering machine, the cutter head can only move up and down, back and forth, or up and down, left and right, that is, the cutting-in angle of the cutter head is fixed, so that the chamfering machine can only process a certain type of thin workpiece, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a wide gear chamfering machine of application scope.

The purpose of the utility model can be realized by the following technical proposal: a gear chamfering machine comprises a machine body and a stand column vertically arranged on the machine body, wherein sliding seats are arranged on two adjacent sides of the stand column in a vertical sliding mode, dragging plates are arranged on the two sliding seats, bases are arranged on the two dragging plates in a horizontal sliding mode, the sliding directions of the two bases are vertical, and power heads are arranged on the two bases; the carriage is rotatably connected with the corresponding sliding seat so that the carriage can rotate around the horizontal central axis of the carriage, and the carriage is detachably locked at a rotating position through a locking component.

The relative position of the power head and the tooling fixture can be adjusted by rotating the dragging plate so as to change the cutting-in angle of the power head, so that the power head and the tooling fixture can be prevented from contacting and interfering when different thin products are processed, chamfering at different angles can be realized under the condition of not changing the feeding program of the power head, and the tool has the advantages of convenience in use and wide application range.

In foretell gear chamfering machine, be equipped with on the foretell slide with correspond the coaxial ring groove of planker, be provided with the sliding part who matches with the ring groove on the planker, the sliding part slides and sets up in the ring groove, and sliding part and ring groove cooperation make the sliding part injectd in the ring groove to prevent that the planker from separating completely with the slide when rotating, do benefit to the planker and rotate and adjust the unit head and cut in the angle.

In the gear chamfering machine, the dragging plate is pressed on the corresponding sliding seat, the axial section of the circular groove is in an inverted T shape, the sliding component comprises at least two T-shaped bolts I which are uniformly distributed around the horizontal central axis, a first through hole penetrates through the dragging plate, the locking component is a first nut, the first through hole and the T-shaped bolts are identical in quantity and correspond to one another in position, a rod part of the first T-shaped bolt penetrates through the corresponding through hole and is screwed into the corresponding first nut, and the first nut is tightly pressed on one side, back to the sliding seat, of the dragging plate. The first nut is matched with the first T-shaped bolt, so that the carriage and the sliding seat are rotationally connected, and the function of locking the rotational position of the carriage is achieved, so that the structure is effectively simplified, and the assembly is facilitated.

As another scheme, in the gear chamfering machine, the carriage is pressed on the corresponding slide seat, the axial cross section of the circular groove is in a dovetail shape, the sliding part comprises at least two dovetail blocks uniformly distributed around the horizontal central axis, the carriage is provided with a stepping hole in a penetrating manner, the locking part is a bolt, the stepping hole and the dovetail blocks are the same in number and correspond to one another in position, the rod part of the bolt penetrates through the corresponding stepping hole and is screwed into the corresponding dovetail block, and the head part of the bolt is tightly pressed on one side of the carriage, which is opposite to the slide seat. The dovetail block is matched with the bolt to simultaneously realize the two functions of rotationally connecting the carriage with the sliding seat and locking the rotational position of the carriage, and the tool has the advantages of simple structure and convenient assembly.

In foretell gear chamfering machine, the base is including sliding the pedestal that sets up on corresponding the planker and vertically setting up the connecting plate between pedestal and corresponding the unit head, and the unit head is installed on corresponding the connecting plate, and connecting plate one end is articulated with corresponding the pedestal through the axle piece one that the level set up, and axle piece one axial is extended along the slip direction that corresponds the pedestal, and is equipped with between connecting plate and the corresponding pedestal and can dismantle the locking structure one at the swing position with the connecting plate. The position of the power head can be further adjusted through the swinging connecting plate so as to adapt to chamfering requirements of different angles, and the power head is wider in applicability.

In the gear chamfering machine, the first locking structure comprises a second nut and an arc groove which is formed in the base and coaxial with the corresponding first shaft part, a second through hole is correspondingly formed in the other end of the connecting plate, the cross section of the arc groove is in an inverted T shape, a second T-shaped bolt matched with the arc groove is arranged in the arc groove, two sides of the connecting plate are respectively pressed on the base and the second nut, and a rod part of the second T-shaped bolt penetrates through the second through hole and is screwed into the second nut. By adopting the design, the device has the advantages of simple structure and convenience in assembly.

As another scheme, in the gear chamfering machine, the first locking structure includes a circular arc-shaped connecting groove penetrating through the base body, the connecting groove is coaxial with the corresponding shaft member, a guide post matched with the connecting groove is formed on the connecting plate, one end of the guide post penetrates through the connecting groove and is screwed with the pressing nut, and two sides of the base body are respectively pressed on the pressing nut and the connecting plate.

In foretell gear chamfering machine, the unit head with correspond to be equipped with between the connecting plate and be the connecting seat of bar, the unit head is fixed on the connecting seat, the axle piece two that connecting seat one end set up through the level with correspond the connecting seat articulated, axle piece one and two axial verticality of axle piece, and be equipped with between connecting seat and the corresponding connecting plate and dismantle the locking structure two of locking in the pivoted position with the connecting seat. The cutting-in angle of the power head can be further adjusted by swinging the connecting seat, and the applicability of the chamfering machine is further improved.

In the gear chamfering machine, two plate bodies which are arranged side by side are formed on one side, close to the connecting seat, of the connecting plate, the two plate bodies are distributed along the axial direction of the second shaft piece, the cross section of the connecting seat is approximately U-shaped, the two plate bodies are located in the connecting seat and respectively attached to the inner walls of the two sides of the connecting seat, and the second locking structure is arranged between the two plate bodies and the connecting seat so as to strengthen the positioning strength and stability of the connecting seat and improve the working stability and precision of the chamfering machine.

In foretell gear chamfering machine, locking structure two includes nut three, runs through the constant head tank of seting up on the connecting seat and corresponds the mounting hole that runs through the setting on the plate body, and the constant head tank is the circular arc coaxial with axle piece two, is equipped with bolt three in the constant head tank, and three pole portions of bolt pass constant head tank and mounting hole in proper order and screw in nut three, and bolt three heads and nut three sticiss respectively on connecting seat and plate body.

As another scheme, in the gear chamfering machine, the locking structure II comprises a locking groove which is arranged on the connecting seat in a penetrating manner and is coaxial with the shaft element II, the plate body is fixedly connected with a stud correspondingly, the stud penetrates through the locking groove and is connected with a pressing cap in a threaded manner, and the pressing cap is tightly pressed on the connecting seat.

Compared with the prior art, the gear chamfering machine has the following advantages:

1. the relative position of the power head and the tooling fixture can be adjusted by rotating the dragging plate so as to change the cutting-in angle of the power head, so that the power head and the tooling fixture can be prevented from contacting and interfering when different thin products are processed, chamfering at different angles can be realized under the condition of not changing the feeding program of the power head, and the tool has the advantages of convenience in use and wide application range.

2. The first nut is matched with the first T-shaped bolt, so that the carriage and the sliding seat are rotationally connected, and the function of locking the rotational position of the carriage is achieved, so that the structure is effectively simplified, and the assembly is facilitated.

3. The position of the power head can be further adjusted by swinging the connecting plate so as to adapt to chamfering requirements of different angles, and the power head is wider in applicability.

4. The cutting-in angle of the power head can be further adjusted by swinging the connecting seat, interference is further avoided, and the applicability of the chamfering machine is improved.

Drawings

Fig. 1 is a schematic perspective view of a gear chamfering machine.

Fig. 2 is a schematic view of a connection structure of the base and the carriage.

Fig. 3 is a schematic view of a connection structure of the carriage and the slide.

Fig. 4 is a cross-sectional structural view of the carriage.

In the figure, 1, a lathe bed; 2. a column; 3. a slide base; 3a, a circular groove; 4. a carriage; 5. a base; 5a, a seat body; 5a1, a body; 5a2, a support plate; 5a3, a chute; 5b, a connecting plate; 5b1, a plate body; 5c, a first shaft piece; 5d, a connecting seat; 5d1, positioning grooves; 5e, a second shaft piece; 5f, a second nut; 5g, arc grooves; 5h, using a T-shaped bolt II; 5i, a third bolt; 6. a power head; 7. a first T-shaped bolt; 8. a first nut; 9. and (4) a main spindle box.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, the gear chamfering machine comprises a machine body 1 and a column 2 vertically fixed on the machine body 1.

Wherein,

the adjacent both sides of stand 2 all slide from top to bottom and be provided with slide 3, and in the actual product, slide 3 passes through slider of guide structure and stand 2 sliding connection from top to bottom to through the automatic sliding of motor lead screw structure drive slide 3, and slider of guide structure and motor lead screw structure all are prior art.

As shown in fig. 1, the carriages 4 are arranged on the two sliders 3, the bases 5 are horizontally arranged on the two carriages 4 in a sliding manner, and the sliding directions of the two bases 5 are vertical, i.e. one of the two bases 5 moves back and forth and the other moves left and right. And power heads 6 are arranged on the two bases 5.

In particular, in the case of a system,

the power head 6 comprises an electric spindle and a cutter mounted on the electric spindle. Naturally, the power head 6 may also be a servo motor and a tool mounted on the main shaft of the servo motor.

The base 5 is connected with the carriage 4 in a left-right sliding mode through a guide rail sliding block structure, and the base 5 is driven to automatically slide through a motor lead screw structure.

The carriage 4 has a horizontal central axis, and the extending direction of the horizontal central axis is vertical to the sliding direction of the corresponding base 5. The carriage 4 is rotatably connected with the corresponding sliding seat 3 so that the carriage 4 can rotate around the horizontal central axis of the carriage 4, and the carriage 4 is detachably locked at a rotating position through a locking part. The relative position of the power head 6 and the tool clamp can be adjusted by rotating the dragging plate 4 so as to change the cutting-in angle of the power head 6, so that the contact interference between the power head 6 and the tool clamp when different thin products are processed can be avoided, chamfering at different angles can be realized under the condition that the feeding program of the power head 6 is not changed, and the device has the advantages of convenience in use and wide application range.

In the present embodiment, it is preferred that,

as shown in fig. 2, 3 and 4, the sliding base 3 is provided with an annular groove 3a coaxial with the corresponding carriage 4, and the annular groove 3a is arranged opposite to the carriage 4. Be provided with the sliding part who matches with circular ring groove 3a on the planker 4, the sliding part slides and sets up in circular ring groove 3a, and sliding part and circular ring groove 3a cooperation make the sliding part be injectd in circular ring groove 3a to the restriction sliding part deviates from circular ring groove 3a, thereby prevents that planker 4 from separating completely with slide 3 when rotating, does benefit to the planker 4 and rotates and adjust the 6 cutting angles of unit head.

Further, the carriage 4 is pressed on the corresponding sliding seat 3, the axial section of the circular groove 3a is in an inverted T shape, the sliding component comprises at least two T-shaped bolts I7 which are uniformly distributed around the horizontal central axis, a through hole I penetrates through the carriage 4, the locking component is a nut I8, the through hole I and the T-shaped bolt I7 are identical in quantity and correspond to one another in position, the rod part of the T-shaped bolt I7 penetrates through the corresponding through hole and is screwed into the corresponding nut I8, and the nut I8 is tightly pressed on one side, back to the sliding seat 3, of the carriage 4. The first nut 8 is matched with the first T-shaped bolt 7, so that the carriage 4 is rotatably connected with the sliding seat 3, and the function of locking the rotating position of the carriage 4 is achieved, so that the structure is effectively simplified, and the assembly is facilitated. In practical products, the number of the T-shaped bolts I7 is preferably 4.

As shown in figure 1 of the drawings, in which,

the base 5 comprises a base body 5a which is arranged on the corresponding carriage 4 in a sliding way and a connecting plate 5b which is vertically arranged between the base body 5a and the corresponding power head 6.

Wherein,

as shown in fig. 2, the seat body 5a includes a main body 5a1 slidably connected to the corresponding carriage 4 and a support plate 5a2 vertically disposed between the main body 5a1 and the connection plate 5b. The support plate 5a2 is horizontally slidably disposed on the body 5a1, and the sliding direction of the support plate 5a2 is perpendicular to the sliding direction of the corresponding body 5a 1. In this embodiment, the body 5a1 is provided with two straight sliding grooves 5a3, the two sliding grooves 5a3 are distributed vertically, and the cross section of the sliding groove 5a3 is in an inverted T shape. The inside of the two sliding grooves 5a3 is provided with a third T-shaped bolt matched with the sliding groove 5a3, the supporting plate 5a2 is correspondingly provided with a third through hole in a penetrating manner, the rod part of the third T-shaped bolt penetrates through the corresponding third through hole and is screwed into the third nut, and the two sides of the supporting plate 5a2 are respectively tightly pressed on the body 5a1 and the third nut.

The power head 6 is installed on the corresponding connecting plate 5b, one end of the connecting plate 5b is hinged to the corresponding seat body 5a through a first shaft piece 5c which is horizontally arranged, the first shaft piece 5c axially extends along the sliding direction of the corresponding seat body 5a, and a first locking structure which can detachably lock the connecting plate 5b at the swinging position is arranged between the connecting plate 5b and the corresponding seat body 5 a. The position of the power head 6 can be further adjusted by swinging the connecting plate 5b to adapt to chamfering requirements of different angles, so that the power head is wider in applicability.

Further, a strip-shaped connecting seat 5d is arranged between the power head 6 and the corresponding connecting plate 5b, the power head 6 is fixed on the connecting seat 5d, one end of the connecting seat 5d is hinged to the corresponding connecting seat 5d through a horizontally arranged shaft piece II 5e, the shaft piece I5 c and the shaft piece II 5e are axially vertical, and a locking structure II for detachably locking the connecting seat 5d at a swinging position is arranged between the connecting seat 5d and the corresponding connecting plate 5b. The cutting-in angle of the power head 6 can be further adjusted by swinging the connecting seat 5d, and the applicability of the chamfering machine is further improved.

In the present embodiment, it is preferred that,

the first shaft 5c and the second shaft 5e may be screws or shafts.

The first locking structure comprises a second nut 5f and an arc groove 5g which is formed in the base body 5a and coaxial with the corresponding first shaft piece 5c, a second through hole is correspondingly formed in the other end of the connecting plate 5b, the cross section of the arc groove 5g is in an inverted T shape, a second T-shaped bolt 5h matched with the second through hole is arranged in the arc groove 5g, two sides of the connecting plate 5b are respectively tightly pressed on the base body 5a and the second nut 5f, and the rod part of the second T-shaped bolt 5h penetrates through the second through hole and is screwed into the second nut 5f. By adopting the design, the device has the advantages of simple structure and convenience in assembly.

Two plate bodies 5b1 which are arranged side by side are formed on one side of the connecting plate 5b, which is close to the connecting seat 5d, the two plate bodies 5b1 are distributed along the axial direction of the second shaft piece 5e, the cross section of the connecting seat 5d is approximately U-shaped, the two plate bodies 5b1 are both positioned in the connecting seat 5d and respectively attached to the inner walls of the two sides of the connecting seat 5d, and the second locking structure is arranged between one end of each of the two plate bodies 5b1 and the connecting seat 5d to strengthen the positioning strength and stability of the connecting seat 5d, so that the working stability and precision of the chamfering machine are improved; the other ends of the two plate bodies 5b1 are respectively connected with the two sides of the connecting seat 5d through a shaft piece 5c, and naturally, the two plate bodies 5b1 and the two sides of the connecting seat 5d can be connected in series by adopting a shaft piece 5 c.

The locking structure two includes nut three, runs through the constant head tank 5d1 of seting up on connecting seat 5d and corresponds and run through the mounting hole of setting on plate body 5b1, and constant head tank 5d1 is the circular arc coaxial with axle piece two 5e, is equipped with three 5i of bolt in the constant head tank 5d1, and three 5i pole portions of bolt pass constant head tank 5d1 and mounting hole in proper order and screw in nut three, and three difference of bolt 5i heads and nut are sticis on connecting seat 5d and plate body 5b 1.

In the actual product, stand 2 one side is equipped with headstock 9, and headstock 9 includes vertical setting and is used for the main shaft of the tight gear work piece of clamp. Aiming at the gear with the shaft, the top of the tail stock is also arranged above the gear box, so that the positioning stability and strength of the gear with the shaft are improved.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, and different points are as follows: planker 4 is pressed on corresponding slide 3, and the axial cross-section of ring groove 3a is the dovetail, and sliding part includes at least two dovetail blocks around horizontal central axis equipartition, runs through on planker 4 and is equipped with the hole of stepping down, and locking part is the bolt, the hole of stepping down and dovetail block three quantity the same and position one-to-one, bolt rod portion passes the correspondence hole of stepping down and the corresponding dovetail block of screw in, and the bolt head sticiss in planker 4 one side back to slide 3. The dovetail block is matched with the bolt to simultaneously realize the two functions of rotationally connecting the carriage 4 and the sliding seat 3 and locking the rotational position of the carriage 4, and also has the advantages of simple structure and convenient assembly.

EXAMPLE III

The structure and principle of the third embodiment are basically the same as those of the first embodiment, and different points are as follows: the first locking structure comprises a circular arc-shaped connecting groove which is formed in the base body 5a in a penetrating mode, the connecting groove is coaxial with the first corresponding shaft piece 5c, a guide pillar matched with the connecting groove is formed in the connecting plate 5b, one end of the guide pillar penetrates through the connecting groove and is in threaded connection with a pressing nut, and two sides of the base body 5a are tightly pressed on the pressing nut and the connecting plate 5b respectively.

Example four

The structure and principle of the fourth embodiment are basically the same as those of the first embodiment, and different points are that: the second locking structure comprises a locking groove which is arranged on the connecting seat 5d in a penetrating mode and coaxial with the second shaft piece 5e, a stud is correspondingly fixedly connected to the plate body 5b1, the stud penetrates through the locking groove and is connected with a pressing cap in a threaded mode, and the pressing cap is tightly pressed on the connecting seat 5 d.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A gear chamfering machine comprises a machine body (1) and a vertical column (2) vertically arranged on the machine body (1), sliding seats (3) are arranged on two adjacent sides of the vertical column (2) in a vertically sliding mode, plankers (4) are arranged on the two sliding seats (3), bases (5) are arranged on the two plankers (4) in a horizontally sliding mode, the sliding directions of the two bases (5) are perpendicular, power heads (6) are arranged on the two bases (5), and the gear chamfering machine is characterized in that the plankers (4) are provided with horizontal central axes, and the extending directions of the horizontal central axes are perpendicular to the sliding directions of the corresponding bases (5); the carriage (4) is rotatably connected with the corresponding sliding seat (3) so that the carriage (4) can rotate around the horizontal central axis of the carriage, and the carriage (4) can be detachably locked at a rotating position through a locking component.

2. The gear chamfering machine according to claim 1, wherein the slide carriage (3) is provided with a circular groove (3 a) coaxial with the corresponding carriage (4), the carriage (4) is provided with a sliding member matching with the circular groove (3 a), the sliding member is slidably disposed in the circular groove (3 a), and the sliding member is engaged with the circular groove (3 a) to be limited in the circular groove (3 a).

3. The gear chamfering machine according to claim 2, wherein the carriage (4) presses on the corresponding slide (3), the axial section of the circular groove (3 a) is in an inverted T shape, the sliding component comprises at least two T-shaped bolts (7) uniformly distributed around a horizontal central axis, a through hole I is arranged on the carriage (4) in a penetrating manner, the locking component is a nut I (8), the through hole I and the T-shaped bolt I (7) are identical in number and correspond in position to one another, the rod part of the T-shaped bolt I (7) penetrates through the corresponding through hole and is screwed into the corresponding nut I (8), and the nut I (8) is tightly pressed on one side of the carriage (4) opposite to the slide (3).

4. The gear chamfering machine according to claim 2, wherein the carriage (4) presses on the corresponding slide (3), the axial cross section of the circular groove (3 a) is dovetail-shaped, the sliding part comprises at least two dovetail blocks uniformly distributed around a horizontal central axis, the carriage (4) is provided with abdicating holes in a penetrating manner, the locking part is a bolt, the abdicating holes and the dovetail blocks are same in number and correspond to one another in position, the rod part of the bolt penetrates through the corresponding abdicating holes and is screwed into the corresponding dovetail blocks, and the head part of the bolt is tightly pressed on one side of the carriage (4) opposite to the slide (3).

5. The gear chamfering machine according to claim 1, wherein the base (5) includes a base body (5 a) slidably disposed on the corresponding carriage (4) and a connecting plate (5 b) vertically disposed between the base body (5 a) and the corresponding power head (6), the power head (6) is mounted on the corresponding connecting plate (5 b), one end of the connecting plate (5 b) is hinged to the corresponding base body (5 a) through a horizontally disposed shaft member (5 c), the shaft member (5 c) axially extends in a sliding direction of the corresponding base body (5 a), and a first locking structure for detachably locking the connecting plate (5 b) at a swing position is disposed between the connecting plate (5 b) and the corresponding base body (5 a).

6. The gear chamfering machine according to claim 5, wherein the first locking structure comprises a second nut (5 f) and a second arc groove (5 g) which is formed in the base body (5 a) and coaxial with the corresponding first shaft piece (5 c), the other end of the connecting plate (5 b) is correspondingly provided with a second through hole, the cross section of the second arc groove (5 g) is in an inverted T shape, a T-shaped bolt (5 h) matched with the second arc groove is arranged in the arc groove (5 g), two sides of the connecting plate (5 b) are respectively tightly pressed on the base body (5 a) and the second nut (5 f), and a rod part of the second T-shaped bolt (5 h) penetrates through the second through hole and is screwed into the second nut (5 f).

7. The gear chamfering machine according to claim 5, wherein the first locking structure includes a circular arc-shaped connecting groove formed through the base body (5 a) and coaxial with the first corresponding shaft member (5 c), a guide post matching with the connecting groove is formed on the connecting plate (5 b), one end of the guide post passes through the connecting groove and is screwed with the pressing nut, and both sides of the base body (5 a) are respectively pressed against the pressing nut and the connecting plate (5 b).

8. The gear chamfering machine according to claim 5, wherein a strip-shaped connecting seat (5 d) is arranged between the power head (6) and the corresponding connecting plate (5 b), the power head (6) is fixed on the connecting seat (5 d), one end of the connecting seat (5 d) is hinged with the corresponding connecting seat (5 d) through a horizontally arranged second shaft piece (5 e), the first shaft piece (5 c) and the second shaft piece (5 e) are axially vertical, and a second locking structure for detachably locking the connecting seat (5 d) at a swinging position is arranged between the connecting seat (5 d) and the corresponding connecting plate (5 b).

9. The gear chamfering machine according to claim 8, wherein two plate bodies (5 b 1) are formed in parallel on one side of the connecting plate (5 b) near the connecting seat (5 d), the two plate bodies (5 b 1) are distributed along the axial direction of the second shaft member (5 e), the cross section of the connecting seat (5 d) is substantially U-shaped, the two plate bodies (5 b 1) are both located in the connecting seat (5 d) and respectively attached to the inner walls of the two sides of the connecting seat (5 d), and the second locking structure is provided between the two plate bodies (5 b 1) and the connecting seat (5 d).

10. The gear chamfering machine according to claim 9, wherein the locking structure two comprises a nut three, a positioning groove (5 d 1) formed in the connecting seat (5 d) in a penetrating manner, and a mounting hole correspondingly formed in the plate body (5 b 1) in a penetrating manner, the positioning groove (5 d 1) is in a circular arc shape coaxial with the shaft member two (5 e), a bolt three (5 i) is arranged in the positioning groove (5 d 1), a rod part of the bolt three (5 i) sequentially penetrates through the positioning groove (5 d 1) and the mounting hole and is screwed into the nut three, and a head part of the bolt three (5 i) and the nut three are respectively tightly pressed on the connecting seat (5 d) and the plate body (5 b 1).