Internal thread grinding machine

Abstract

The utility model discloses an internal thread grinding machine which comprises a machine frame, a first linear conveying mechanism, a swing mechanism, a grinding mechanism, a second linear conveying mechanism and a material clamping mechanism. The first linear conveying mechanism comprises a first guide rail, a first linear motor and a first conveying frame; the swing mechanism comprises a motor base, a swing motor and a swing frame. The polishing mechanism comprises an electric spindle and a polishing wheel; the second linear conveying mechanism comprises a second guide rail, a second linear motor and a second conveying frame; and the clamping mechanism comprises a main shaft base and a pneumatic chuck. All the mechanisms are matched quickly and tightly, feeding and polishing are in order, and high-efficiency production of products can be achieved.

Description

Technical Field

[0001] This utility model belongs to the field of internal thread grinding machines, and specifically relates to an internal thread grinding machine. Background Technology

[0002] A thread grinding machine is a machine tool that uses a shaped grinding wheel as an abrasive to process precision threads. Those that grind threads inside the product using a grinding wheel are called internal thread grinding machines.

[0003] In existing internal thread grinding machines, some grinding mechanisms are typically stationary, with the product being held and fed to the grinding mechanism by a clamping mechanism. However, this method results in the grinding depth being entirely determined by the specifications of the grinding wheel, and it cannot achieve simultaneous grinding of the inner wall of the outer layer and the outer wall of the inner layer in some double-layer structures. Utility Model Content

[0004] This utility model provides an internal thread grinding machine to solve the above-mentioned technical problems.

[0005] The solution adopted by this utility model to achieve its technical effect is as follows:

[0006] An internal thread grinding machine includes a frame, a first linear conveying mechanism, a oscillating mechanism, a grinding mechanism, a second linear conveying mechanism, and a clamping mechanism. The first linear conveying mechanism includes a first guide rail, a first linear motor, and a first conveying frame. The first guide rail is mounted on the frame. The first linear motor is mounted within the first guide rail. The first conveying frame is slidably mounted on the first guide rail and is drively connected to the drive end of the first linear motor. The oscillating mechanism includes a motor base, an oscillating motor, and an oscillating frame. The motor base is mounted on the first conveying frame. The oscillating motor is mounted on the motor base. The oscillating frame is rotatably mounted on the top side of the motor base, and the oscillating frame is connected to the drive end of the first linear motor. The machine's drive end is connected to the grinding mechanism, which includes an electric spindle and a grinding wheel. The electric spindle is located on one side of the swing frame, and the grinding wheel is rotatably located at the drive end of the electric spindle. The second linear conveying mechanism includes a second guide rail, a second linear motor, and a second conveying frame. The second guide rail is located on the machine frame in a direction perpendicular to the first guide rail. The second linear motor is located inside the second guide rail. The second conveying frame is slidably located on the second guide rail and is connected to the drive end of the second linear motor. The clamping mechanism includes a spindle base and a pneumatic chuck. The spindle base is located on the top of the second conveying frame, and the pneumatic chuck is located at one top end of the spindle base.

[0007] Preferably, the top of the frame is provided with an integral L-shaped support base; the first guide rail and the second guide rail are respectively provided on two sides of the L-shaped support base.

[0008] Preferably, the bottom and interior of the frame are provided with a plurality of reinforcing plates; the reinforcing plates are hollowed out; and the L-shaped support is provided on top of the reinforcing plates inside the frame.

[0009] Preferably, a guide rail is provided on one side of the swing frame; an adjusting handle is provided at one end of the swing frame; an adjusting screw is provided at the driving end of the adjusting handle; the adjusting screw is disposed within the guide rail; an adjusting seat is provided on the outer side of the electric spindle; guide sliders are provided at both ends on one side of the adjusting seat, and the guide sliders are slidably sleeved on the outer side of the guide rail; an adjusting guide block is provided on one side of the adjusting seat; the adjusting guide block is threadedly sleeved on the outer side of the adjusting screw.

[0010] Preferably, a spindle seat is provided on the top of the spindle base; a mounting cavity is provided inside the spindle seat; a torque motor is provided inside the mounting cavity; and the pneumatic chuck is rotatably mounted on the drive end of the torque motor.

[0011] Preferably, the bottom of the spindle seat and the bottom of the spindle base are each provided with two empty slots; the two sides of the spindle seat and the top dead corner of the spindle base are each provided with a material reduction groove.

[0012] Preferably, a support column is provided in the middle of the partition between the two slots of the spindle seat.

[0013] Preferably, it further includes a dressing mechanism; the dressing mechanism includes a dressing seat and a dressing wheel; the dressing seat is disposed on the top of the spindle base; the dressing wheel is disposed at the front end of the dressing seat.

[0014] Preferably, the front end of the dressing seat is provided with a dressing shaft; the dressing wheel is clamped and fixed to the front end of the dressing shaft by two flanges; wherein a sensor is provided at the front end of the flange located at the foremost end of the dressing shaft.

[0015] The beneficial effects of this invention are as follows: the first linear conveyor mechanism drives the grinding mechanism to its position, and then the second linear conveyor mechanism drives the clamping mechanism holding the product to its position, so that the product is delivered to the grinding wheel. Then, the swing mechanism, in conjunction with the electric spindle, drives the grinding wheel to grind the internal threads inside the product. The various mechanisms of this invention cooperate quickly and tightly, and the feeding and grinding are orderly, enabling high-efficiency production of the product. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the internal thread grinding machine disclosed in the embodiments of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the swing mechanism, grinding mechanism and clamping mechanism disclosed in the embodiments of this utility model;

[0018] Figure 3 This is a schematic diagram of the first linear conveying mechanism and the second linear conveying mechanism disclosed in the embodiments of this utility model;

[0019] Figure 4 This is a schematic diagram of the frame disclosed in an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the bottom of the spindle seat disclosed in an embodiment of the present utility model.

[0021] Label Explanation:

[0022] 1-Rack;

[0023] 2-First linear conveyor mechanism, 21-First guide rail, 22-First linear motor, 23-First conveyor frame;

[0024] 3-Swing mechanism, 31-Motor base, 32-Swing motor, 33-Swing frame, 34-Guide rail, 35-Adjusting handle, 36-Adjusting screw;

[0025] 4-Grinding mechanism, 41-Electric spindle, 42-Grinding wheel, 43-Adjusting seat, 44-Adjusting guide block;

[0026] 5-Second linear conveyor mechanism, 51-Second guide rail, 52-Second linear motor, 53-Second conveyor frame;

[0027] 6-Clamping mechanism, 61-Spindle base, 62-Pneumatic chuck, 63-Spindle seat, 64-Torque motor, 65-Support column;

[0028] 7-L type support base;

[0029] 8-Reinforcing plate;

[0030] 9- Dressing mechanism, 91- Dressing seat, 92- Dressing wheel, 93- Sensor. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or may have an intervening element present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or may have an intervening element present. When an element is referred to as being "fixedly connected to" another element, it can be a common fixing connection method such as welding, bolting, or gluing.

[0032] Please refer to Figure 1-5 This utility model discloses a preferred embodiment of an internal thread grinding machine, including a frame 1, a first linear conveying mechanism 2, a swinging mechanism 3, a grinding mechanism 4, a second linear conveying mechanism 5, and a clamping mechanism 6. The first linear conveying mechanism 2 includes a first guide rail 21, a first linear motor 22, and a first conveying frame 23. The first guide rail 21 is disposed on the frame 1. The first linear motor 22 is disposed within the first guide rail 21. The first conveying frame 23 is slidably disposed on the first guide rail 21, and the first conveying frame 23 is drively connected to the drive end of the first linear motor 22. The swinging mechanism 3 includes a motor base 31, a swinging motor 32, and a swinging frame 33. The motor base 31 is disposed on the first conveying frame 23. The swinging motor 32 is disposed on the motor base 31. The swinging frame 33 is rotatably disposed on the top side of the motor base 31, and the swinging frame 33... The grinding mechanism 4 includes an electric spindle 41 and a grinding wheel 42; the electric spindle 41 is disposed on one side of the swing frame 33; the grinding wheel 42 is rotatably disposed on the driving end of the electric spindle 42; the second linear conveying mechanism 5 includes a second guide rail 51, a second linear motor 52, and a second conveying frame 53; the second guide rail 51 is disposed on the frame 1 in a direction perpendicular to the first guide rail 21; the second linear motor 52 is disposed inside the second guide rail 51; the second conveying frame 53 is slidably disposed on the second guide rail 51, and the second conveying frame 53 is connected to the driving end of the second linear motor 52; the clamping mechanism 6 includes a spindle base 61 and a pneumatic chuck 62; the spindle base 61 is disposed on the top of the second conveying frame 53; the pneumatic chuck 62 is disposed at one top end of the spindle base 61.

[0033] Specifically, the top of the frame 1 is provided with an integral L-shaped support base 7; the first guide rail 21 and the second guide rail 51 are respectively provided on the two sides of the L-shaped support base 7.

[0034] Specifically, the bottom and interior of the frame 1 are provided with several reinforcing plates 8; the reinforcing plates 8 are hollowed out; the L-shaped support 7 is located on top of the reinforcing plates 8 inside the frame 1. The integrated L-shaped support 7 strengthens its bottom support strength through the reinforcing plates 8, and can more stably support the operation of the first linear conveying mechanism 2, the swinging mechanism 3, the grinding mechanism 4, the second linear conveying mechanism 5, and the clamping mechanism 6.

[0035] Specifically, a guide rail 34 is provided on one side of the swing frame 33; an adjusting handle 35 is provided at one end of the swing frame 33; an adjusting screw 36 is provided at the driving end of the adjusting handle 35; the adjusting screw 36 is disposed within the guide rail 34; an adjusting seat 43 is provided on the outer side of the electric spindle 42; guide sliders are provided at both ends on one side of the adjusting seat 43, and the guide sliders are slidably sleeved on the outer side of the guide rail 34; an adjusting guide block 44 is provided on one side of the adjusting seat 43; the adjusting guide block 44 is threadedly sleeved on the outer side of the adjusting screw 36. The position of the grinding wheel 42 can be adjusted by adjusting the screw 36, thereby enabling threading at shallower or deeper parts of the product.

[0036] Specifically, a spindle seat 63 is provided on the top of the spindle base 61; a mounting cavity is provided inside the spindle seat 63; a torque motor 64 is provided inside the mounting cavity; and a pneumatic chuck 62 is rotatably mounted on the drive end of the torque motor 64. During operation, the torque motor 64 drives the pneumatic chuck 62 to rotate, which in turn drives the product to rotate, thereby cooperating with the grinding wheel 42 to more quickly create internal threads inside the product.

[0037] Specifically, two slots are provided at the bottom of both the spindle seat 63 and the bottom of the spindle base 61; material reduction grooves are provided on both sides of the spindle seat 63 and at the top corner of the spindle base 61. By providing grooves, the weight is reduced while the stability of the support is improved, and the noise generated during operation is also absorbed and reduced.

[0038] Specifically, a support column 65 is provided in the middle of the partition between the two slots of the main shaft seat 63 to stably support the torque motor 64 in the mounting cavity.

[0039] Specifically, it also includes a dressing mechanism 9; the dressing mechanism 9 includes a dressing seat 91 and a dressing wheel 92; the dressing seat 91 is disposed on the top of the spindle base 61; the dressing wheel 92 is disposed at the front end of the dressing seat 91. The dressing wheel 92 is used to grind and dress the grinding wheel 42.

[0040] Specifically, the dressing seat 91 has a dressing shaft at its front end; the dressing wheel 92 is clamped and fixed to the front end of the dressing shaft by two flanges; a sensor 93 is provided at the front end of one of the flanges located at the very front of the dressing shaft. The sensor 93 is used to sense the specific position of the grinding wheel 42, so that the grinding wheel 42 can accurately grind on the dressing wheel 92, while avoiding the grinding wheel 42 from touching other parts.

[0041] As can be seen from the above description, the various mechanisms of this utility model cooperate quickly and closely, and the feeding and grinding are orderly, which can realize the high-efficiency production of products.

[0042] The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. It should be noted that the protection scope of the present utility model includes, but is not limited to, the above embodiments; the specific structures disclosed in the accompanying drawings are only preferred embodiments of the present utility model. Those skilled in the art can develop other embodiments based on this. Any simple modifications or equivalent substitutions that do not depart from the innovative concept of the present utility model are all covered by the present utility model and fall within the protection scope of the present utility model.

Claims

1. An internal thread grinding machine, characterized in that, include: frame; A first linear conveying mechanism; the first linear conveying mechanism includes a first guide rail, a first linear motor, and a first conveying frame; the first guide rail is disposed on the frame; the first linear motor is disposed inside the first guide rail; the first conveying frame is slidably disposed on the first guide rail, and the first conveying frame is connected to the drive end of the first linear motor via a transmission connection; A swing mechanism; the swing mechanism includes a motor base, a swing motor, and a swing frame; the motor base is mounted on the first conveyor frame; the swing motor is mounted on the motor base; the swing frame is rotatably mounted on the top side of the motor base, and the swing frame is connected to the drive end of the swing motor. A grinding mechanism; the grinding mechanism includes an electric spindle and a grinding wheel; the electric spindle is disposed on one side of the swing frame; the grinding wheel is rotatably disposed at the drive end of the electric spindle; The second linear conveying mechanism includes a second guide rail, a second linear motor, and a second conveying frame. The second guide rail is arranged on the frame in a direction perpendicular to the first guide rail. The second linear motor is arranged inside the second guide rail. The second conveying frame is slidably arranged on the second guide rail, and the second conveying frame is connected to the drive end of the second linear motor. A clamping mechanism; the clamping mechanism includes a main shaft base and a pneumatic chuck; the main shaft base is disposed on the top of the second conveyor frame; the pneumatic chuck is disposed at one end of the top of the main shaft base.

2. The internal thread grinding machine according to claim 1, characterized in that: The top of the frame is provided with an integral L-shaped support base; the first guide rail and the second guide rail are respectively provided on two sides of the L-shaped support base.

3. The internal thread grinding machine according to claim 2, characterized in that: The bottom and interior of the frame are provided with several reinforcing plates; the reinforcing plates are hollowed out; the L-shaped support is located on top of the reinforcing plates inside the frame.

4. An internal thread grinding machine according to claim 1, characterized in that: A guide rail is provided on one side of the swing frame; an adjusting handle is provided at one end of the swing frame; an adjusting screw is provided at the driving end of the adjusting handle; the adjusting screw is located inside the guide rail; an adjusting seat is provided on the outside of the electric spindle; guide sliders are provided at both ends on one side of the adjusting seat, and the guide sliders are slidably sleeved on the outside of the guide rail; an adjusting guide block is provided on one side of the adjusting seat; the adjusting guide block is threadedly sleeved on the outside of the adjusting screw.

5. An internal thread grinding machine according to claim 1, characterized in that: A spindle seat is provided on the top of the spindle base; a mounting cavity is provided inside the spindle seat; a torque motor is provided inside the mounting cavity; and the pneumatic chuck is rotatably mounted on the drive end of the torque motor.

6. An internal thread grinding machine according to claim 5, characterized in that: The bottom of the spindle seat and the bottom of the spindle base are each provided with two empty slots; the two sides of the spindle seat and the top dead corner of the spindle base are each provided with a material reduction groove.

7. An internal thread grinding machine according to claim 6, characterized in that: A support column is provided in the middle of the partition between the two slots of the main spindle seat.

8. An internal thread grinding machine according to claim 1, characterized in that: It also includes a dressing mechanism; the dressing mechanism includes a dressing seat and a dressing wheel; the dressing seat is disposed on the top of the spindle base; the dressing wheel is disposed at the front end of the dressing seat.

9. An internal thread grinding machine according to claim 8, characterized in that: The front end of the dressing seat is provided with a dressing shaft; the dressing wheel is clamped and fixed to the front end of the dressing shaft by two flanges; a sensor is provided at the front end of the flange located at the foremost end of the dressing shaft.

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