CN217193077U

CN217193077U - Fastening device for gear milling machine tool fixture

Info

Publication number: CN217193077U
Application number: CN202220597581.1U
Authority: CN
Inventors: 毕云龙; 吴耀国; 王长满
Original assignee: Dalian North Heavy Reducer Manufacturing Co ltd
Current assignee: Dalian North Heavy Reducer Manufacturing Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-08-16
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a fastening device for a gear milling machine tool fixture, which comprises a fixed inner shaft, wherein a right shaft sleeve is fixedly arranged on the right side of the fixed inner shaft, and a left shaft sleeve is movably arranged on the left side of the fixed inner shaft; fixed interior axle includes interior axis body, and the left side an organic whole of interior axis body is formed with fastening screw, and the fixed orifices has been seted up on the surface of interior axis body, and the quantity of fixed orifices is three, and the inside activity of fixed orifices has cup jointed the activity ball. In the scheme, the movable ball is extruded through the spring groove, the movable ball extrudes the inner side of the gear ring to improve the adaptability to different inner diameters, the fastening effect is improved through pressurizing the side surfaces of the left shaft body and the right cushion, and the product quality is ensured; in the above-mentioned scheme, advance the promotion ring gear through left axis body at fastening screw thread external screw and get into, the extension through flexible pushing ram promotes the ring gear and is released, and the axis body low-speed is rotatory in the rolling disc drives simultaneously for the friction evenly distributed of ring gear reduces the wearing and tearing of interior axis body, has promoted work efficiency, has reduced the manual work, and has promoted equipment life.

Description

Fastening device for gear milling machine tool fixture

Technical Field

The utility model relates to a gear machining technical field, more specifically says, the utility model relates to a mill fastening device for tooth machine frock clamp.

Background

The gear milling machine is a common device in gear machining, is used for machining outer ring teeth of a gear, and when the gear milling machine is used, a gear ring is fixed on a tool fixture and then is used for milling teeth, wherein the tool is a process device and refers to a general name of various tools used in the manufacturing process, and comprises a cutter/a fixture/a die/a measuring tool/a checking tool/an auxiliary tool/a bench tool/a station tool and the like, and the fixture refers to a device for clamping a workpiece or guiding the cutter.

When the existing fixture is used for milling teeth, because the gear rings have tolerance, the inner diameters of the gear rings are slightly different, so that the clamping degrees of the gear rings of the same type on the same existing fixture are different, looseness can occur in the machining process due to overlarge tolerance, and vibration lines are caused by slight deviation to influence the quality of finished products; in addition, present course of working needs the manual work to carry the outer lane on anchor clamps and goes up unloading, hard and inefficiency, and is big to equipment wear and tear.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a milling tooth machine fastener for frock clamp to solve and use anchor clamps to mill tooth man-hour at present, because ring gear itself has the tolerance, its internal diameter can slightly have the difference, the tight degree of clamp that leads to the ring gear with the model on same current anchor clamps is also different, the tolerance is too big can appear becoming flexible in the course of working, slightly partially leads to the vibration line, influences finished product quality's problem.

In order to solve the technical problem, the utility model provides a following technical scheme: a fastening device for a gear milling machine tool clamp comprises a fixed inner shaft, wherein a right shaft sleeve is fixedly arranged on the right side of the fixed inner shaft, and a left shaft sleeve is movably arranged on the left side of the fixed inner shaft; the fixed inner shaft comprises an inner shaft body, fastening threads are integrally formed on the left side of the inner shaft body, and fixing holes are formed in the surface of the inner shaft body.

The number of the fixed holes is three, and movable balls are movably sleeved in the fixed holes.

The bottom of the fixed hole is provided with a spring groove, an extension spring is movably sleeved inside the spring groove, and the extension spring is fixedly connected to the bottom of the movable ball.

The right shaft sleeve comprises a rotating disc, a telescopic pushing column is fixedly mounted on the left side of the rotating disc, a positioning sleeve is fixedly sleeved outside the output end of the telescopic pushing column, and a right cushion is fixedly mounted on the left side of the positioning sleeve.

The right side of axis body including the rolling disc fixed cup joints, the quantity of flexible post that pushes away is three, the outside of axis body including the position sleeve activity cup joints, the outside of axis body including the activity of right side cushion cup joints.

The left shaft sleeve comprises a left shaft body, a left cushion is fixedly sleeved on the left side of the left shaft body, a main shaft groove is formed in the left side of the left shaft body, and a thread groove is formed in the right end of the main shaft groove.

The size of the left cushion is matched with that of the inner shaft body, the size of the spindle groove is matched with that of the inner shaft body, and the size of the thread groove is matched with that of the fastening thread.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, when the fixture is used for milling teeth at present, due to the fact that tolerance exists in gear rings, the inner diameters of the gear rings are slightly different, the clamping degrees of the gear rings of the same type on the same existing fixture are different, looseness can occur in the machining process due to the fact that the tolerance is too large, vibration lines are caused by slight deviation, the quality of finished products is affected, at the moment, the movable ball is extruded through the spring groove, the movable ball extrudes the inner side of the gear ring to improve the adaptability to different inner diameters, the fastening effect is improved through the side pressurization of the left shaft body and the right cushion, and the quality of the products is guaranteed; among the above-mentioned scheme, present course of working needs the manual work to carry the outer lane on anchor clamps and come unloading, hard and inefficiency, it is big to equipment wear, promote the ring gear entering at fastening screw external precession through the left axis body this moment, the extension through flexible support of pushing away promotes the ring gear and is released, the axis body low-speed rotation in the rolling disc drives simultaneously for the friction evenly distributed of ring gear, the wearing and tearing of the interior axis body of reduction have promoted work efficiency, the manual work has been reduced, and lifting means life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the fixed inner shaft structure of the present invention;

fig. 3 is a schematic structural view of a section of the fixed inner shaft of the present invention;

FIG. 4 is a schematic view of the right sleeve structure of the present invention;

fig. 5 is a schematic view of the left sleeve structure of the present invention.

[ reference numerals ]

1. Fixing the inner shaft; 2. a right shaft sleeve; 3. a left shaft sleeve; 11. an inner shaft body; 12. fastening threads; 13. a fixing hole; 131. a movable ball; 132. a spring slot; 133. a tension spring; 21. rotating the disc; 22. a telescopic pushing column; 23. a positioning sleeve; 24. a right cushion; 31. a left shaft body; 32. a left cushion; 33. a spindle groove; 34. a thread groove.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a fastening device for a milling machine tool clamp as shown in fig. 1 to fig. 5, which comprises a fixed inner shaft 1, wherein a right shaft sleeve 2 is fixedly arranged on the right side of the fixed inner shaft 1, and a left shaft sleeve 3 is movably arranged on the left side of the fixed inner shaft 1; the fixed inner shaft 1 comprises an inner shaft body 11, a fastening thread 12 is integrally formed on the left side of the inner shaft body 11, and a fixing hole 13 is formed in the surface of the inner shaft body 11.

As shown in fig. 2 to fig. 3, the number of the fixed holes 13 is three, the movable ball 131 is movably sleeved inside the fixed hole 13, the bottom of the fixed hole 13 is provided with a spring groove 132, the inside of the spring groove 132 is movably sleeved with a telescopic spring 133, and the telescopic spring 133 is fixedly connected to the bottom of the movable ball 131;

concretely, at first, the body 11 rotates at a slow speed in the left axis body 31 drives, then 11 left ends of the body including the tooth cover, again with the right precession of left axis body 31, left side cushion 32 cup joints in 11 outsides of body, 34 threaded connection of thread groove is outside at fastening thread 12 after that, then 34 promotion tooth rings of thread groove arrive fixed orifices 13 tops, movable ball 131 receives the extrusion, compression spring groove 132, the elasticity of spring groove 132, promote movable ball 131 and support the fastening of ring gear inner wall, right side cushion 24 supports the ring gear right-hand member, left side cushion 32 supports the ring gear left end, finally make the fastening about the ring gear, promote the fitness to different internal diameters, improve fastening effect, guarantee product quality.

As shown in fig. 4 to 5, the right shaft sleeve 2 includes a rotary disc 21, a telescopic push post 22 is fixedly mounted on the left side of the rotary disc 21, a positioning sleeve 23 is fixedly sleeved on the outside of an output end of the telescopic push post 22, a right cushion 24 is fixedly mounted on the left side of the positioning sleeve 23, the rotary disc 21 is fixedly sleeved on the right side of the inner shaft body 11, the number of the telescopic push posts 22 is three, the positioning sleeve 23 is movably sleeved on the outside of the inner shaft body 11, the right cushion 24 is movably sleeved on the outside of the inner shaft body 11, the left shaft sleeve 3 includes a left shaft body 31, a left cushion 32 is fixedly sleeved on the left side of the left shaft body 31, a main shaft groove 33 is formed on the left side of the left shaft body 31, a threaded groove 34 is formed on the right end of the main shaft groove 33, the size of the left cushion 32 is adapted to the size of the inner shaft body 11, the size of the main shaft groove 33 is adapted to the size of the inner shaft body 11, the size of the thread groove 34 is matched with that of the fastening thread 12;

specifically, at first, the left shaft body 31 drives the inner shaft body 11 to rotate at a slow speed, then the left shaft body 31 is screwed out, then the telescopic push column 22 is started, the output end pushes the positioning sleeve 23 to the left, the positioning sleeve 23 pushes the gear ring to move to the left, and finally the gear ring is pushed down from the inner shaft body 11.

The working process of the utility model is as follows:

firstly, the left shaft body 31 drives the inner shaft body 11 to rotate at a slow speed, then the gear ring is sleeved at the left end of the inner shaft body 11, then the left shaft body 31 is screwed rightwards, the left cushion 32 is sleeved outside the inner shaft body 11, then the thread groove 34 is in threaded connection with the outside of the fastening thread 12, then the thread groove 34 pushes the gear ring to reach the upper part of the fixed hole 13, the movable ball 131 is extruded, the spring groove 132 is compressed, the elastic force of the spring groove 132 pushes the movable ball 131 to fasten the inner wall of the gear ring, the right cushion 24 abuts against the right end of the gear ring, and the left cushion 32 abuts against the left end of the gear ring, so that the gear ring is finally fastened leftwards and rightwards; first, the left shaft body 31 drives the inner shaft body 11 to rotate at a slow speed, then the left shaft body 31 is screwed out, then the telescopic push column 22 is started, the output end pushes the positioning sleeve 23 to the left, the positioning sleeve 23 pushes the gear ring to move to the left, and finally the gear ring is pushed down from the inner shaft body 11.

In the above scheme, the movable ball 131 is extruded through the spring groove 132, the movable ball 131 extrudes the inner side of the gear ring to improve the adaptability to different inner diameters, the fastening effect is improved through the side surface pressurization of the left shaft body 31 and the right cushion 24, and the product quality is ensured; in the above-mentioned scheme, advance the promotion ring gear through left axis body 31 at fastening screw 12 external screw and get into, the extension through flexible support strut 22 promotes the ring gear and is released, and 11 low-speed rotations of axis body in the rolling disc 21 drives simultaneously for the friction evenly distributed of ring gear reduces the wearing and tearing of interior axis body 11, has promoted work efficiency, has reduced the manual work, and lifting means life.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fastening device for a gear milling machine tool clamp comprises a fixed inner shaft (1), and is characterized in that a right shaft sleeve (2) is fixedly mounted on the right side of the fixed inner shaft (1), and a left shaft sleeve (3) is movably mounted on the left side of the fixed inner shaft (1); the fixed inner shaft (1) comprises an inner shaft body (11), fastening threads (12) are integrally formed on the left side of the inner shaft body (11), and a fixing hole (13) is formed in the surface of the inner shaft body (11).

2. The fastening device for the gear milling machine tool clamp according to claim 1, wherein the number of the fixing holes (13) is three, and a movable ball (131) is movably sleeved in the fixing holes (13).

3. The fastening device for the milling machine tool fixture according to claim 1, wherein a spring groove (132) is formed in the bottom of the fixing hole (13), an expansion spring (133) is movably sleeved in the spring groove (132), and the expansion spring (133) is fixedly connected to the bottom of the movable ball (131).

4. The fastening device for the gear milling machine tool fixture as claimed in claim 1, wherein the right shaft sleeve (2) comprises a rotating disc (21), a telescopic push column (22) is fixedly mounted on the left side of the rotating disc (21), a positioning sleeve (23) is fixedly sleeved on the outer portion of an output end of the telescopic push column (22), and a right cushion (24) is fixedly mounted on the left side of the positioning sleeve (23).

5. The fastening device for the gear milling machine tool clamp as recited in claim 4, characterized in that the rotating disc (21) is fixedly sleeved on the right side of the inner shaft body (11), the number of the telescopic push posts (22) is three, the positioning sleeve (23) is movably sleeved on the outer portion of the inner shaft body (11), and the right cushion (24) is movably sleeved on the outer portion of the inner shaft body (11).

6. The fastening device for the gear milling machine tool fixture according to claim 1, wherein the left shaft sleeve (3) comprises a left shaft body (31), a left cushion (32) is fixedly sleeved on the left side of the left shaft body (31), a main shaft groove (33) is formed in the left side of the left shaft body (31), and a thread groove (34) is formed in the right end of the main shaft groove (33).

7. The fastening device for the gear milling machine tool clamp according to claim 6, characterized in that the size of the left cushion (32) is adapted to the size of the inner shaft body (11), the size of the spindle groove (33) is adapted to the size of the inner shaft body (11), and the size of the thread groove (34) is adapted to the size of the fastening thread (12).