CN209886802U - Novel circular sawing machine chain type front material receiving device - Google Patents

Abstract

The utility model provides a novel chain-type front feeding device for a circular saw, which comprises a frame and a bar material conveying mechanism installed on the frame. The bar material conveying mechanism comprises a deceleration motor and a chain conveying mechanism for supporting and conveying the bar material. Belt, the gear motor is connected to the chain conveyor belt through the transmission mechanism; a collecting mechanism is installed in front of the chain conveyor belt, and the collecting mechanism includes a guide slideway inclined downward from the front to the back and a left side of the guide slideway. Blocking units on the side, right and rear; the rear of the frame is also equipped with a pushing mechanism for pushing the bar material on the chain conveyor belt to the guide chute, and the piston rod of the pushing cylinder is connected to the pushing plate ; Two limit baffles arranged on the front and rear sides of the chain conveyor belt are installed on the frame, and the limit baffles are provided with gaps for the front and rear movement of the pushing plate. This patent improves the conveying bearing capacity by improving the traditional synchronous belt into a chain conveyor belt, thereby ensuring the bearing and conveying capacity of long bars.

Description

A New Type Chain Type Front Feeder for Circular Saw Machine

technical field

The utility model relates to the equipment field of numerically controlled circular sawing machines, in particular to a material receiving device.

Background technique

CNC circular sawing machine sawing materials, in most cases, sawing pieces and short materials, but when it is necessary to saw long materials (above 400mm) or large materials, there will be the following problems:

1) The long material or large material cannot be moved manually due to its own weight, and special mechanical handling operations are still required.

2) The existing front feeding device generally uses a synchronous belt for conveying. Due to the limitation of the bearing capacity of the synchronous belt, it is not suitable for the conveying of large-quality bars.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a novel chain-type front feeding device of a circular saw to solve the technical problem that the synchronous belt of the existing front feeding device of a circular saw cannot be suitable for conveying long materials.

The technical scheme of the utility model is: a novel chain-type front feeding device of a circular saw machine, comprising a frame and a bar material conveying mechanism installed on the frame, characterized in that the bar material conveying mechanism comprises a deceleration motor and a chain conveyor belt for supporting and conveying bar materials, and the deceleration motor is driven and connected to the chain conveyor belt through a transmission mechanism;

the geared motor is mounted on the frame;

The frame includes a material collecting mechanism arranged behind the chain conveyor belt, the material collecting mechanism includes a material guide chute inclined downward from front to back and surrounded on the left, right and rear of the material guide chute. The material blocking unit on the side, the rear end of the material guide slide is butted with the chain conveyor belt;

The rear of the frame is also equipped with a pusher mechanism for pushing the bar material on the chain conveyor belt to the material guide chute, the pusher mechanism includes a pusher plate and a pusher for driving the pusher plate to move back and forth. a cylinder, the cylinder body of the pushing cylinder is installed on the frame, and the piston rod of the pushing cylinder is connected to the pushing plate;

The frame is equipped with two limit baffles arranged on the front and rear sides of the chain conveyor belt. A photoelectric sensor for detecting whether there is a bar is installed on the right side of the notch;

A material blocking unit located behind the material guide chute is detachably or liftably installed on the frame.

This patent improves the conveying bearing capacity by improving the traditional synchronous belt into a chain conveyor belt, which can bear the quality of larger conveying parts, thereby ensuring the bearing and conveying capacity of long bars, and can convey different length specifications (more than 400mm). ) of the bar. The important thing is that compared with the synchronous belt drive, the chain drive can adapt to harsh working environments such as dusty, oily, corrosive and high-strength occasions. At the same time, the requirements for the center distance during installation are not so strict, and the manufacturing process is relatively simple. , the manufacturing cost is relatively low.

Through the collecting mechanism, it is convenient to realize the collection of the bar material, and it is convenient to prepare the material for the next step of the docking process.

Further preferably, the transmission mechanism includes a driving sprocket, a driven sprocket, a transmission chain, a left sprocket shaft and a right sprocket shaft;

The drive sprocket is installed on the power output shaft of the reduction motor, and the drive sprocket is connected to the driven sprocket through the sprocket;

the driven sprocket is mounted on the left sprocket shaft,

The left sprocket shaft and the right sprocket shaft are respectively mounted on the frame through bearings, and the left sprocket shaft is drive-connected to the right sprocket shaft through the chain conveyor belt.

Then the rotary motion of the chain conveyor belt is realized.

Further preferably, the material guide slideway includes guide rods arranged from left to right, and the guide rods are detachably connected with the frame through bolts.

It is convenient to realize the replacement of the guide rod.

Further preferably, the material blocking unit located behind the material guide slideway is a material blocking rod;

The blocking rod is detachably connected to the frame.

It is convenient that when the collecting mechanism is directly docked with the subsequent processes such as chamfering and deburring, it can be directly connected to the conveying mechanism that slides into the subsequent process through the guide chute.

Alternatively, the material blocking unit located behind the material guide chute is a material blocking rod;

A lift cylinder for driving the material stopper to move up and down is installed on the frame, and a piston rod of the lift cylinder is connected to a horizontally arranged cross bar;

There are at least three blocking rods, and all blocking rods are connected with the upper end of the cross bar;

The frame is provided with a channel for guiding the material blocking rod to slide up and down, the lifting cylinder is in a state of shortened return stroke, and the top of the material blocking rod is lower than the lowest position of the support surface of the material guide slideway.

It is convenient to switch between the two modes of collecting long material or connecting the long material to the subsequent process as needed. When the long material needs to be collected, the lifting cylinder is in an extended state, and the stopper bar limits the bar material. When the long material needs to be transported to the subsequent process, the lifting cylinder is in the state of shortening the return stroke, and the stopper bar is not limited.

Further preferably, the frame is also welded and fixed with sleeves matching the number of channels, the sleeves are in one-to-one correspondence with the channels, and are arranged up and down;

The gap between the sleeve and the channel is a channel for rolling out the bar;

When the lift cylinder is in an extended state, the top of the stopper rod is inserted into the casing.

The limiting effect of the stopper rod is improved by the sleeve. Improve the retaining effect of the retaining bar on the bar stock.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model;

FIG. 2 is a partial structural schematic diagram of the material stopper bar of the present invention that can be lifted and lowered.

In the picture: 1 is the bar material, 2 is the pusher plate, 3 is the material stopper, 4 is the collecting mechanism, 5 is the chain conveyor belt, 6 is the transmission chain, 7 is the left sprocket shaft, 8 is the deceleration motor, and 9 is the machine Rack, 10 is the pushing cylinder, 11 is the electric control box, 12 is the limit baffle, 13 is the right sprocket shaft, 14 is the photoelectric sensor, 15 is the sleeve, 16 is the support plate, 18 is the cross bar, 19 is the lift cylinder.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

Referring to Figure 1 and Figure 2, a new type of chain-type front catching device for circular saw machine includes a frame 9 and a bar conveying mechanism installed on the frame 9. The bar conveying mechanism includes a geared motor 8 and a support The chain conveyor belt 5 for conveying the bar material 1 is connected to the chain conveyor belt 5 by the gear motor 8 through the transmission mechanism; the gear motor 8 is installed on the frame 9 .

The transmission mechanism includes a driving sprocket, a driven sprocket, a transmission chain 6, a left sprocket shaft 7 and a right sprocket shaft 13; a driving sprocket is installed on the power output shaft of the reduction motor 8, and the driving sprocket passes through the sprocket and the driven chain. Wheel drive connection; the driven sprocket is installed on the left sprocket shaft 7, the left sprocket shaft 7 and the right sprocket shaft 13 are respectively installed on the frame 9 through bearings, and the left sprocket shaft 7 passes through the chain conveyor belt 5 and the right sprocket shaft 13 drive connection. Further, the rotary motion of the chain conveyor belt 5 is realized.

The frame includes a collecting mechanism arranged behind the chain conveyor belt, and the collecting mechanism 4 includes a guide chute inclined downward from front to back, and blocks arranged on the left, right and rear sides of the guide chute. Material unit, the rear end of the guide slide is butted with the chain conveyor belt 5;

The rear of the frame 9 is also installed with a pushing mechanism for pushing the bar material 1 on the chain conveyor belt 5 to the material guide slideway. The material pushing cylinder 10 is installed on the frame 9 , and the piston rod of the material pushing cylinder 10 is connected to the material pushing plate 2 .

The frame 9 is provided with two limit baffles 12 disposed on the front and rear sides of the chain conveyor belt 5 . The limit baffle 12 is provided with a gap for the forward and backward movement of the pusher 2 , and a photoelectric sensor 14 for detecting whether there is a bar 1 is installed on the limit baffle 12 on the right side of the gap.

A material blocking unit located behind the material guide chute is detachably or liftably installed on the frame.

This patent improves the conveying bearing capacity by improving the traditional synchronous belt into a chain conveyor belt 5, which can bear the quality of larger conveying parts, thereby ensuring the bearing and conveying capacity of the long bar 1, and can convey different length specifications (can be 400mm or more) bar 1. The important thing is that compared with the synchronous belt drive, the chain drive can adapt to harsh working environments such as dusty, oily, corrosive and high-strength occasions. At the same time, the requirements for the center distance during installation are not so strict, and the manufacturing process is relatively simple. , the manufacturing cost is relatively low.

Through the collecting mechanism 4, it is convenient to realize the collection of the bar material 1, and it is convenient to prepare the material for the next process of docking.

The photoelectric sensor can realize the detection of the bar 1 by using the currently available ones. Therefore, this patent does not list them one by one. The photoelectric sensor 14 can be an infrared sensor. The reduction motor 8 and the pushing cylinder 10 are controlled by a PLC controller. The PLC controller controls the action of the pushing cylinder 10 . The PLC controller is connected with the photoelectric sensor. When the PLC controller senses the incoming material signal, it controls the action of the material pushing cylinder 10 according to the set program. The PLC controller is arranged in the electric control box 11 .

The photoelectric sensor 14 can be an infrared on-beam photoelectric sensor, and the infrared on-beam photoelectric sensor includes an infrared receiving device and an infrared transmitting device that are relatively arranged on the front and rear sides of the chain conveyor belt 5, and the two limit baffles 12 are both provided with The light-transmitting hole, the emitting direction of the infrared emitting device and the receiving direction of the infrared receiving device all face the light-transmitting hole. It is convenient to realize the detection of the bar 1. The distance between the light-transmitting hole and the notch can be 20cm-40cm.

During the conveying process of the bar 1, the photoelectric sensor senses the bar 1, indicating that the bar is being conveyed to the pushing mechanism. When the photoelectric sensor switches from sensing the bar material to not sensing the bar material 1, it means that a bar material 1 has been completely transported to the front of the pusher plate 2 of the pusher mechanism, the deceleration motor 8 stops working, and the pusher mechanism pushes The material plate 2 moves forward, pushes the bar material 1 to roll onto the collecting mechanism, and the PLC controller controls the pusher cylinder 10 to return. The motion state of the pushing mechanism can be detected and controlled by sensors, or controlled by time sequence commands. For example, the PLC controller controls the forward movement of the pushing cylinder 10 for one second, and then controls the return action of the pushing cylinder 10. When the distance between the adjacent bars on the control chain conveyor belt is greater than the time of the reciprocating return of the pusher mechanism, the conveying process of the bar is controlled, and the deceleration motor of the pusher cylinder is controlled to keep working continuously during the process and return without stopping, which is more conducive to production. action.

The guide rail includes guide rods arranged from left to right, and the guide rods are detachably connected with the frame 9 through bolts. It is convenient to realize the replacement of the guide rod.

The aggregate mechanism 4 can realize the switching between the two modes of aggregate and docking, conveying and conduction with the subsequent process through the following two schemes:

Scheme 1: The material blocking unit located behind the material guide slideway is the material blocking rod 3; the material blocking rod and the frame 9 are detachably connected. It is convenient that when the collecting mechanism 4 is directly connected to the subsequent processes such as chamfering and deburring, it can be directly connected to the conveying mechanism that slides into the subsequent process through the material guide chute.

Option 2: Referring to Figure 2, the material blocking unit located behind the material guide slideway is the material blocking rod 3; the frame 9 is installed with a lifting cylinder 19 for driving the material blocking rod to move up and down, and the piston rod of the lifting cylinder 19 is connected horizontally. There are at least three stopper bars 3, and all stoppers 3 are connected to the upper end of the crossbar 18; the frame is provided with a channel for guiding the stopper bars 3 to slide up and down, and the lifting cylinder is in the return stroke. In the shortened state, the top of the stopper bar is lower than the lowest point of the support surface of the guide chute. It is convenient to switch between the two modes of collecting long material or connecting the long material to the subsequent process as needed. When the long material needs to be collected, the lifting cylinder is in an extended state, and the stopper bar 3 limits the bar material. When the long material needs to be transported to the subsequent process, the lifting cylinder is in the state of shortening the return stroke, and the stopper bar is not limited. The frame is also welded and fixed with a sleeve 15 matching the number of channels. The sleeve 15 corresponds to the channel and is arranged up and down; the gap between the sleeve 15 and the channel is the channel for rolling out the bar; When the lift cylinder is in an extended state, the top of the stopper rod 3 is inserted into the casing. The limiting effect of the stopper rod is improved by the sleeve 15 . Improve the retaining effect of the retaining bar on the bar stock. The frame includes a support plate 16 on which are mounted guide bars (not shown in FIG. 2 ) arranged from left to right. The channel is opened at the lowest part of the support plate. It may be that the support plate is an inclined support plate. It is convenient to realize the rolling of the bar. Alternatively, the support plate is a horizontal support plate, and the thickness of the guide rod at the upper end of the support plate is gradually changed. In order to achieve the rolling of the bar. The outer surface of the guide rod is coated with Teflon. While ensuring the support strength, avoid the wear of the bar.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, without departing from the principles of the present utility model, several improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (5)

1. a novel circular saw machine chain type front feeding device, comprising a rack and a bar material conveying mechanism installed on the rack, it is characterized in that, the described bar material conveying mechanism comprises a deceleration motor and is used for supporting the conveying bar The chain conveyor belt of the material, the geared motor is connected to the chain conveyor belt through the drive mechanism; the geared motor is mounted on the frame; The frame includes a material collecting mechanism arranged behind the chain conveyor belt, the material collecting mechanism includes a material guide chute inclined downward from front to back and surrounded on the left, right and rear of the material guide chute. The material blocking unit on the side, the rear end of the material guide slide is butted with the chain conveyor belt; The rear of the frame is also equipped with a pusher mechanism for pushing the bar material on the chain conveyor belt to the material guide chute, the pusher mechanism includes a pusher plate and a pusher for driving the pusher plate to move back and forth. a cylinder, the cylinder body of the pushing cylinder is installed on the frame, and the piston rod of the pushing cylinder is connected to the pushing plate; The frame is equipped with two limit baffles arranged on the front and rear sides of the chain conveyor belt. A photoelectric sensor for detecting whether there is a bar is installed on the right side of the notch; A material blocking unit located behind the material guide chute is detachably or liftably installed on the frame. 2. A new type of chain-type front feeding device for circular saw machine according to claim 1, characterized in that: the transmission mechanism comprises a driving sprocket, a driven sprocket, a transmission chain, a left sprocket shaft and a right sprocket shaft ; The drive sprocket is installed on the power output shaft of the reduction motor, and the drive sprocket is connected to the driven sprocket through the sprocket; the driven sprocket is mounted on the left sprocket shaft, The left sprocket shaft and the right sprocket shaft are respectively mounted on the frame through bearings, and the left sprocket shaft is drive-connected to the right sprocket shaft through the chain conveyor belt. 3. A new type of chain-type front feeding device for a circular saw machine according to claim 1, characterized in that: the guiding slideway comprises a guiding rod arranged from left to right, and the guiding rod is connected to the The racks are detachably connected by bolts. 4. A new type of chain-type front feeding device for circular saw machine according to claim 1, characterized in that: the blocking unit located behind the material guide chute is a blocking rod; The blocking rod is detachably connected to the frame. 5. A new type of chain-type front feeding device for circular saw machine according to claim 1, characterized in that: the blocking unit located behind the material guide chute is a blocking rod; A lift cylinder for driving the material stopper to move up and down is installed on the frame, and a piston rod of the lift cylinder is connected to a horizontally arranged cross bar; There are at least three blocking rods, and all blocking rods are connected with the upper end of the cross bar; The frame is provided with a channel for guiding the material blocking rod to slide up and down, the lifting cylinder is in a state of shortened return stroke, and the top of the material blocking rod is lower than the lowest position of the support surface of the material guide slideway.

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