CN221210889U

CN221210889U - Crankshaft punching mechanism

Info

Publication number: CN221210889U
Application number: CN202322791227.XU
Authority: CN
Inventors: 廖立鹏
Original assignee: Wuhan Keen Machinery Co ltd
Current assignee: Wuhan Keen Machinery Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-06-25
Anticipated expiration: 2033-10-18

Abstract

The utility model belongs to the technical field of crankshaft machining and provides a crankshaft punching mechanism, which comprises a machine base, wherein a long plate is vertically arranged on the machine base, a sliding rail is arranged on the long plate, a connecting seat is arranged at the tail end of the sliding rail, a guide mounting sleeve is arranged on the connecting seat, a sliding plate is arranged on the sliding rail, a top seat and a mounting seat are respectively arranged at the upper position and the lower position of the sliding plate, a driving motor is arranged downwards on the top seat, a connecting sleeve is rotatably arranged on the mounting seat, and a driving shaft of the driving motor is connected with the connecting sleeve. When punching the crankshaft, the crankshaft is fixed on a machine table of the punching machine, at the moment, the bottom of the drill bit is positioned at the punching position of the crankshaft, the driving mechanism drives the sliding plate to downwards slide towards the punching position, meanwhile, the driving motor rotates to drive the drill bit to rotate and downwards move, the drill bit punches the crankshaft until the punching depth requirement is met, at the moment, the driving motor stops rotating, the sliding plate upwards slides, and the drill bit is separated from the punching position of the crankshaft.

Description

Crankshaft punching mechanism

Technical Field

The utility model belongs to the technical field of crankshaft machining, and particularly relates to a crankshaft punching mechanism.

Background

The compressor generally comprises a machine body, a motor, a cylinder body, a piston, control equipment and a cooling system; wherein the motor is typically connected to the piston via a crankshaft. The crankshaft comprises a short shaft and a long shaft, wherein the long shaft is connected with a rotor of the motor, and the short shaft is connected with the piston through a connecting rod. The crankshaft is used as an important part for connecting the motor and the piston, and the motor drives the crankshaft to rotate so as to drive the piston to move. The service life of the crankshaft determines the service life of the whole machine, and in order to ensure the reliable operation of the crankshaft, the crankshaft is perforated as required.

The existing punching mechanism is generally used for directly punching a crankshaft, a drill bit used for punching is not cooled in the punching process, if the drill bit works for a long time, the drill bit is easy to wear, the service life of the drill bit is reduced, and in addition, in the punching process, the drill bit directly punches the crankshaft through a punching machine, so that the punching process is unstable.

Disclosure of utility model

In view of the above problems, the present utility model aims to provide a crankshaft punching mechanism, which aims to solve the problems of easy abrasion of a drill bit, low service life and unstable punching process in the existing crankshaft punching mechanism.

The utility model adopts the following technical scheme: the punching mechanism comprises a machine base, the vertical longeron that is equipped with on the frame, be equipped with the slide rail on the longeron, the slide rail end is equipped with the connecting seat, be equipped with the direction installation cover on the connecting seat, be equipped with the slide on the slide rail, the slide is equipped with footstock, mount pad from top to bottom respectively, the footstock is equipped with driving motor down, it is equipped with adapter sleeve and driving motor drive shaft and adapter sleeve connection to rotate on the mount pad, be equipped with drill bit and drill bit end in the adapter sleeve and pass the direction installation cover, the punching mechanism still includes cooling oil pipe, cooling oil pipe passes in proper order and communicates with the direction installation cover behind footstock, the mount pad, still be equipped with on the frame and be used for driving slide gliding actuating mechanism.

Further, the guide mounting sleeve is of a structure with a wide upper part and a narrow lower part, the guide mounting sleeve is hollow, the guide mounting sleeve is internally provided with a guide sleeve, the tail end of the drill bit is positioned in the guide sleeve, the guide mounting sleeve is provided with an oil inlet, and the tail end of the cooling oil pipe is communicated with the oil inlet.

Further, actuating mechanism includes concave plate, a pair of carrier block, the concave plate is installed in the slide bottom, and the carrier block is installed in the frame lateral wall, is equipped with the lift cylinder on one of them carrier block, the lift cylinder drive shaft end is connected with concave plate one side, penetrates on another carrier block and has guide pillar and guide pillar top and concave plate opposite side fixed connection.

Further, the side wall of the machine base is provided with an inductor, and the side wall of the sliding plate is provided with an induction piece corresponding to the inductor.

Further, guide blocks are arranged on two sides of the connecting seat, guide holes are formed in the guide blocks, guide rods penetrate into two sides of the mounting seat, and the tail ends of the guide rods are located in the guide holes on the same side.

The beneficial effects of the utility model are as follows: when the crankshaft is perforated, the crankshaft is fixed on a machine table of a perforating machine through a clamp and the perforation position of the crankshaft is determined, and at the moment, the bottom of the drill bit is positioned at the perforation position of the crankshaft; the driving mechanism drives the sliding plate to slide downwards towards the punching position of the crankshaft, and simultaneously drives the motor to rotate, so as to drive the drill bit to rotate and move downwards; the slide is in the gliding in-process of downwardly sliding, and the drill bit punches to the bent axle until satisfying the depth requirement of punching, and driving motor stops rotating this moment, and actuating mechanism drives the slide and upwards slides, and the drill bit breaks away from the bent axle and punches the position.

Drawings

FIG. 1 is a schematic view of a crankshaft punching mechanism according to the present utility model.

Fig. 2 is a schematic view of a crankshaft punching mechanism according to another aspect of the present utility model.

Fig. 3 is a schematic view of the installation of the guide sleeve provided by the utility model.

FIG. 4 is a schematic diagram of an inductor and inductor chip assembly according to the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In order to illustrate the technical scheme of the utility model, the following description is made by specific examples.

Only those parts relevant to the embodiments of the present utility model are shown for convenience of description.

Referring to fig. 1-4, the punching mechanism comprises a machine base 1, a long plate 2 is vertically arranged on the machine base 1, a sliding rail 3 is arranged on the long plate 2, a connecting seat 4 is arranged at the tail end of the sliding rail 3, a guide mounting sleeve 5 is arranged on the connecting seat 4, a sliding plate 6 is arranged on the sliding rail 3, a top seat 7 and a mounting seat 8 are respectively arranged at the upper and lower positions of the sliding plate 6, a driving motor 9 is arranged downwards on the top seat 7, a connecting sleeve 10 is rotatably arranged on the mounting seat 8, a driving shaft of the driving motor 9 is connected with the connecting sleeve 10, a drill bit 11 is arranged in the connecting sleeve 10, the tail end of the drill bit 11 penetrates through the guide mounting sleeve 5, the punching mechanism further comprises a cooling oil pipe 12, the cooling oil pipe 12 sequentially penetrates through the top seat 7 and the mounting seat 8 and then is communicated with the guide mounting sleeve 5, and a driving mechanism for driving the sliding plate 6 to slide is further arranged on the machine base 1.

The compressor generally comprises a machine body, a motor, a cylinder body, a piston, control equipment and a cooling system; wherein the motor is typically connected to the piston via a crankshaft. The service life of the crankshaft determines the service life of the whole machine, and in order to ensure the reliable operation of the crankshaft, the crankshaft is perforated as required.

In this structure, the frame is as this perforating mechanism's installation carrier, installs this perforating mechanism on the puncher through the frame. When the crankshaft is perforated, the crankshaft is firstly fixed on a machine table of the puncher through a clamp, and the perforation position of the crankshaft is determined, wherein the bottom of the drill bit is positioned at the perforation position of the crankshaft. The driving mechanism drives the sliding plate to slide downwards towards the punching position of the crankshaft, and simultaneously drives the motor to rotate, so that the drill bit is driven to rotate and move downwards. The slide is in the gliding in-process of downwardly sliding, and the drill bit punches to the bent axle until satisfying the depth requirement of punching, and driving motor stops rotating this moment, and actuating mechanism drives the slide and upwards slides, and the drill bit breaks away from the bent axle and punches the position.

In the device, the cooling oil pipe is connected with the cooling oil tank, a small amount of cooling oil is conveyed into the guide installation sleeve through the cooling oil pipe in the punching process, the cooling oil in the guide installation sleeve finally drops at the punching position of the crankshaft from the tail end of the guide installation sleeve, the effect of cooling the drill bit in the punching process is achieved, the service life of the drill bit is prolonged, and meanwhile the cooling oil also plays an anti-rust role on the crankshaft.

As a preferable structure, as shown in fig. 3, the guide mounting sleeve is of a structure with a wide upper part and a narrow lower part, the guide mounting sleeve is hollow, the guide mounting sleeve 5 is internally provided with a guide sleeve 13, the tail end of the drill bit 11 is positioned in the guide sleeve 13, the guide mounting sleeve 5 is provided with an oil inlet, and the tail end of the cooling oil pipe 12 is communicated with the oil inlet.

In this structure, the hollow form of uide bushing just is equipped with the uide bushing in, the uide bushing plays the guide effect to the drill bit for this device precision that punches is higher, and the uide bushing is wide in the upper and lower narrow structural design in addition, and the landing that the cooling oil of being convenient for like this can concentrate improves the cooling effect in the punching position of bent axle.

Further as a preferred structure, the driving mechanism comprises a concave plate 14 and a pair of carrying blocks, the concave plate 14 is mounted at the bottom of the sliding plate 6, the carrying blocks are mounted on the side wall of the machine base 1, as shown in fig. 1-2, a lifting cylinder 16 is arranged on one carrying block 15, the tail end of a driving shaft of the lifting cylinder 16 is connected with one side of the concave plate 14, a guide pillar 17 penetrates into the other carrying block 22, and the top end of the guide pillar 17 is fixedly connected with the other side of the concave plate 14.

In this device, actuating mechanism drive slide vertical movement and then drive the drill bit and carry out vertical movement on the slide rail, when the slide needs vertical movement, lift cylinder drive concave plate vertical movement this moment, and then drive slide vertical movement on the slide rail, and at the removal in-process, the guide pillar slides from top to bottom in corresponding carrier block, plays the guide effect for the slide is more stable at vertical movement in-process, improves the stability of punching. The lifting cylinder and the guide post are respectively positioned at two sides of the machine base, so that the installation space of the device is saved, and the device is more compact.

In this structure, as shown in fig. 4, the side wall of the base 1 is provided with an inductor 20, and the side wall of the sliding plate 6 is provided with an induction piece 21 corresponding to the inductor 20. Before punching the crankshaft, the sensing piece is positioned above the sensor. When punching the crankshaft, the slide plate moves, the sensing piece moves towards the sensor, and when the sensing piece moves to the sensing position of the sensor, the punching is completed. In this mechanism of punching, control the degree of depth that the bent axle was punched through setting up inductor and response piece, and then improve the precision of punching.

In addition, guide blocks 18 are arranged on two sides of the connecting seat 4, guide holes are formed in the guide blocks 18, guide rods 19 penetrate into two sides of the mounting seat 8, and the tail ends of the guide rods 19 are located in the guide holes on the same side. When the driving mechanism drives the sliding plate to vertically move along the sliding rail, the guide rods on the same side slide up and down on two sides of the mounting seat, so that the sliding plate is further stable in the vertical movement process, and the punching stability is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a bent axle mechanism of punching which characterized in that: the punching mechanism comprises a machine base, the vertical longeron that is equipped with on the frame, be equipped with the slide rail on the longeron, the slide rail end is equipped with the connecting seat, be equipped with the direction installation cover on the connecting seat, be equipped with the slide on the slide rail, the slide is equipped with footstock, mount pad from top to bottom respectively, the footstock is equipped with driving motor down, it is equipped with adapter sleeve and driving motor drive shaft and adapter sleeve connection to rotate on the mount pad, be equipped with drill bit and drill bit end in the adapter sleeve and pass the direction installation cover, the punching mechanism still includes cooling oil pipe, cooling oil pipe passes in proper order and communicates with the direction installation cover behind footstock, the mount pad, still be equipped with on the frame and be used for driving slide gliding actuating mechanism.

2. A crankshaft perforation mechanism as claimed in claim 1, wherein: the guide mounting sleeve is of a structure with a wide upper part and a narrow lower part, the guide mounting sleeve is hollow, the guide mounting sleeve is internally provided with a guide sleeve, the tail end of the drill bit is positioned in the guide sleeve, the guide mounting sleeve is provided with an oil inlet, and the tail end of the cooling oil pipe is communicated with the oil inlet.

3. A crankshaft perforating mechanism as recited in claim 2 wherein: the driving mechanism comprises a concave plate and a pair of carrying blocks, the concave plate is arranged at the bottom of the sliding plate, the carrying blocks are arranged on the side wall of the machine base, lifting cylinders are arranged on one carrying block, the tail ends of driving shafts of the lifting cylinders are connected with one side of the concave plate, guide posts penetrate into the other carrying block, and the top ends of the guide posts are fixedly connected with the other side of the concave plate.

4. A crankshaft perforating mechanism as recited in claim 3 wherein: the side wall of the machine base is provided with an inductor, and the side wall of the sliding plate is provided with an induction piece corresponding to the inductor.

5. A crankshaft perforating mechanism as recited in claim 4 wherein: the connecting seat is characterized in that guide blocks are arranged on two sides of the connecting seat, guide holes are formed in the guide blocks, guide rods penetrate into two sides of the mounting seat, and the tail ends of the guide rods are located in the guide holes on the same side.