CN220944375U - Shockproof mechanism for thin-wall part machining - Google Patents

Abstract

The utility model relates to the field of part machining, in particular to a shockproof mechanism for machining thin-wall parts, which comprises a bracket, a connecting plate and an adapter block, wherein a fixed block is rotatably arranged on the bracket, the adapter block can be close to or far away from the fixed block, a pressing wheel is rotatably arranged on the adapter block, the diameter of the pressing wheel is larger than the height of the adapter block, the connecting plate is in sliding connection with the fixed block, and one end of the connecting plate is fixedly connected with the adapter block. According to the utility model, the fixed block, the spring, the guide rod and the pinch roller are arranged, so that the pinch roller can continuously apply pressure to a thin-wall product by applying force to the fixed block, and therefore, impedance is formed with the swinging of the product during rotation, and the occurrence of vibration of a cutter is avoided.

Description

Shockproof mechanism for thin-wall part machining

Technical Field

The utility model relates to the field of part machining, in particular to a shockproof mechanism for machining thin-wall parts.

Background

In the turning process of thin-wall parts, particularly thin-wall cylindrical parts, the phenomenon of vibration of a cutter is extremely easy to occur during turning due to the rotation of the height of the parts, and ring-shaped vibration patterns can occur on the parts. In order to avoid the occurrence of the situation, two ends of the part are generally locked, namely one end is locked by using a chuck, and the other end is tightly pressed by adopting the cooperation of a pressing plate and a pull rod, so that the shaking of the part during processing is reduced. But this kind of mode is not only installed and is dismantled very consuming time, and the processing internal diameter face and the processing external diameter face need different frock, and the dismouting is loaded down with trivial details, and in addition because every locking frock is special, the cost of manufacture is high, and adaptation face is narrow.

Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a shockproof mechanism for processing thin-wall parts, which is realized by the following technical scheme:

The utility model provides a shockproof mechanism for thin wall part processing, includes support, connecting plate and switching piece, it is provided with the fixed block to rotate on the support, the switching piece can be close to or keep away from the fixed block, it is provided with a pinch roller to rotate on the switching piece, just the diameter of pinch roller is greater than the height of switching piece, the connecting plate with fixed block sliding connection, just the one end of connecting plate with switching piece fixed connection.

The technical scheme is as follows: the bracket plays a supporting role and is also used for adjusting the position of the fixed block; the adapter block is used for setting the pinch roller; the connecting plate is used for preventing the adapter block from rotating relative to the fixed block; the pinch roller is used for pressing the thin-wall part to form impedance with the rotating thin-wall part, so that vibration is avoided; the diameter of the pinch roller is larger than the height of the adapter block, so that the contact between the adapter block and a product can be avoided.

The utility model is further provided with: the adapter block is fixedly provided with a guide rod, and one end of the guide rod penetrates through the fixed block.

The technical scheme is as follows: the guide rod is used for limiting the moving direction of the adapter block.

The utility model is further provided with: the guide rod is sleeved with a spring, one end of the spring is kept in contact with the adapter block, and the other end of the spring is kept in contact with the fixed block.

The technical scheme is as follows: the springs are used to provide power to maintain contact between the pinch rollers on the adapter blocks and the outer diameter of the product.

The utility model is further provided with: the connecting plate is provided with a sliding groove, the fixed block is provided with an adjusting bolt, and the adjusting bolt penetrates through the sliding groove.

The technical scheme is as follows: the sliding groove is used for realizing the sliding of the connecting plate; the adjusting bolt is used for adjusting the sliding resistance between the connecting plate and the fixed block.

The utility model is further provided with: the bracket comprises a first part and a second part, the first part and the second part are rotationally connected, and the fixed block is rotationally arranged on the second part.

The technical scheme is as follows: the first part is used for being fixed with a machine tool; the second portion is used for adjusting the position of the fixed block.

The utility model is further provided with: the ball bearing is rotationally connected to the adapter block, and the pinch roller is fixedly connected with the ball bearing.

The technical scheme is as follows: the ball bearings are used to reduce friction as the puck rotates.

The utility model is further provided with: the motor is arranged on the fixed block, the output end of the motor penetrates through the fixed block, a screw is fixedly connected to the output end of the motor, and the screw is in threaded connection with the adapter block.

The technical scheme is as follows: the motor is used for providing power, and the screw rod is used for controlling the position of the fixed block, so that another scheme for adjusting the fixed block is realized.

The utility model discloses a shockproof mechanism for thin-wall part processing, which is compared with the prior art:

1. According to the utility model, the fixed block, the spring, the guide rod and the pinch roller are arranged, so that the pinch roller can continuously apply pressure to a thin-wall product by applying force to the fixed block, so that impedance is formed with the swinging of the product during rotation, and the occurrence of vibration of a cutter is avoided;

2. The bracket comprises a first part and a second part, so that the position of the fixed block can be randomly adjusted, and the bracket is suitable for processing thin-wall parts with different sizes;

3. the utility model can be used for cutting the inner diameter surface of the thin-wall part and also can be used for cutting the outer diameter surface of the thin-wall part.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic illustration of the present utility model in contact with a product;

Fig. 3 is a schematic diagram of another embodiment of the present utility model.

Corresponding part names are indicated by numerals and letters in the drawings: 10-a bracket; 101-a first part; 102-a second part; 20-connecting plates; 201-a sliding groove; 30-a transfer block; 40-fixing blocks; 401-adjusting bolts; 50-pressing wheel; 60-guide rod; 70-a spring; 80-ball bearings; 90-motor; 110-screw.

Detailed Description

The following describes in detail the examples of the present utility model, which are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.

As shown in fig. 1-2, the vibration prevention mechanism for processing thin-wall parts provided by the utility model comprises a bracket 10, a connecting plate 20 and an adapter block 30, wherein a fixed block 40 is rotatably arranged on the bracket 10, the adapter block 30 can be close to or far away from the fixed block 40, a pressing wheel 50 is rotatably arranged on the adapter block 30, the diameter of the pressing wheel 50 is larger than the height of the adapter block 30, the connecting plate 20 is slidably connected with the fixed block 40, and one end of the connecting plate 20 is fixedly connected with the adapter block 30. The material of the pressing wheel 50 is metal, so as to avoid the pressing failure caused by obvious deformation.

As shown in fig. 1-2, in the vibration-proof mechanism for machining thin-wall parts according to the present utility model, a guide rod 60 is fixedly disposed on the adapter block 30, and one end of the guide rod 60 penetrates through the fixing block 40. Wherein the guide rod 60 is perpendicular to the fixed block 40; preferably, a limiting ring is fixedly arranged at the top end of the guide rod 60, and the diameter of the limiting ring is larger than that of the guide rod 60.

As shown in fig. 1-2, in the vibration-proof mechanism for processing thin-wall parts according to the present utility model, a spring 70 is sleeved on the guide rod 60, one end of the spring 70 is kept in contact with the adapter block 30, and the other end is kept in contact with the fixing block 40. Preferably, the force applied by the spring 70 to the joint block 30 is 20 to 30N.

As shown in fig. 1-2, in the vibration-proof mechanism for machining thin-wall parts according to the present utility model, a sliding groove 201 is provided on the connecting plate 20, and an adjusting bolt 401 is provided on the fixing block 40, where the adjusting bolt 401 passes through the sliding groove 201. Wherein, the trend of the sliding groove 201 is consistent with the length direction of the connecting plate 20; the diameter of the tip of the adjusting bolt 401 is larger than the width of the sliding groove 201.

As shown in fig. 1-2, the vibration-proof mechanism for machining thin-wall parts according to the present utility model includes a first portion 101 and a second portion 102, where the first portion 101 and the second portion 102 are rotatably connected, and the fixing block 40 is rotatably disposed on the second portion 102. Preferably, a cushion block is further disposed at the connection between the first portion 101 and the second portion 102.

As shown in fig. 1-2, in the vibration-proof mechanism for machining thin-wall parts according to the present utility model, a ball bearing 80 is rotatably connected to the adapter 30, and the pressing wheel 50 is fixedly connected to the ball bearing 80. The adapter 30 is provided with a rotating shaft, an inner ring of the ball bearing 80 is fixedly connected with the rotating shaft, and an outer ring of the ball bearing is connected with the pressing wheel 50.

As shown in fig. 1-3, in the vibration prevention mechanism for processing a thin-wall part according to the present utility model, a motor 90 is disposed on the fixed block 40, an output end of the motor 90 penetrates through the fixed block 40, and a screw rod 110 is fixedly connected to an output end of the motor 90, and the screw rod 110 is in threaded connection with the adapter block 30. The screw 110 further penetrates through the adapter block 30, and the moving distance of the adapter block 30 is shorter, so as to avoid contact between the screw 110 and a product; the motor 90 is a servo motor and is electronically controlled; preferably, a force sensor is arranged at the rotating shaft of the pressing wheel 50, and the servo motor is electrically controlled, so that negative feedback is formed by the force sensor and a control screw of the servo motor, and dynamic adjustment is realized.

The working principle of the utility model is as follows:

a) Mounting the product to a machine tool;

b) Adjusting the second portion of the bracket such that the pinch roller contacts the product, preferably, the position of the pinch roller corresponds to the position of the turning insert;

c) Adjusting the guide rod, and then fixing the position of the connecting plate to compress the spring;

d) Starting the machine tool, and starting cutting machining of the inner diameter surface or the outer diameter surface;

e) The thin-wall part rotates at a high speed so that the side far away from the chuck has a swinging trend;

f) The pinch roller and the spring play a role in inhibiting the swing;

g) Thereby avoiding the vibration of the knife caused by the swing.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (7)

1. A shockproof mechanism for thin wall part processing, its characterized in that: including support (10), connecting plate (20) and changeover piece (30), rotate on support (10) and be provided with fixed block (40), changeover piece (30) can be close to or keep away from fixed block (40), rotate on changeover piece (30) and be provided with pinch roller (50), just the diameter of pinch roller (50) is greater than the height of changeover piece (30), connecting plate (20) with fixed block (40) sliding connection, just the one end of connecting plate (20) with changeover piece (30) fixed connection.

2. The vibration-proof mechanism for thin-walled parts processing according to claim 1, wherein: the adapter block (30) is fixedly provided with a guide rod (60), and one end of the guide rod (60) penetrates through the fixed block (40).

3. The vibration-proof mechanism for thin-walled parts processing according to claim 2, wherein: the guide rod (60) is sleeved with a spring (70), one end of the spring (70) is kept in contact with the adapter block (30), and the other end of the spring is kept in contact with the fixed block (40).

4. A vibration damping mechanism for thin wall part machining according to any one of claims 1 to 3, characterized in that: the connecting plate (20) is provided with a sliding groove (201), the fixed block (40) is provided with an adjusting bolt (401), and the adjusting bolt (401) penetrates through the sliding groove (201).

5. The vibration-proof mechanism for machining thin-walled parts according to claim 4, wherein: the bracket (10) comprises a first part (101) and a second part (102), the first part (101) and the second part (102) are rotatably connected, and the fixed block (40) is rotatably arranged on the second part (102).

6. The vibration-proof mechanism for thin-walled parts processing according to claim 5, wherein: the adapter block (30) is rotatably connected with a ball bearing (80), and the pressing wheel (50) is fixedly connected with the ball bearing (80).

7. The vibration-proof mechanism for thin-walled parts processing according to claim 1, wherein: the motor (90) is arranged on the fixed block (40), the output end of the motor (90) penetrates through the fixed block (40), a screw (110) is fixedly connected to the output end of the motor (90), and the screw (110) is in threaded connection with the adapter block (30).