CN206154379U - A shutdown mechanism for two -stringed bowed instrument peg automatic processing machine - Google Patents

Abstract

The utility model discloses a cutting mechanism for an automatic processing machine for erhu pegs, which is composed of a clamping device and a sawing device; There is an air claw controlled by an air claw elastic cylinder; the air claw bracket is connected with an air claw telescopic cylinder; the sawing device includes a saw blade bracket installed on two large linear guide rails, and the rear part is provided with a saw blade drive motor. The front part is equipped with a saw blade, and the saw blade drive motor controls the saw blade through belt transmission; a screw nut is arranged between the two large linear guide rails, and one end of the screw nut is connected with the feed motor of the sawing device, and the saw The bottom of the knife support is connected with the lead screw nut. The utility model can not only automatically clamp the pegs processed on the indexing disc, but also remove the cut pegs from the cutting station, and can automatically control the cutting action, which not only requires no personnel operation, but also has low labor intensity. Moreover, the cutting action is reliable, and the precision in the length direction of the peg is high.

Description

A Cutting Mechanism for Erhu Tuddle Automatic Processing Machine

technical field

The utility model relates to a cutting mechanism controlled by PLC, which is used for the cutting process of the pegs during the automatic processing of the erhu pegs.

Background technique

The existing erhu peg processing is basically a single-process manual operation, such as the grinding, punching and cutting of the peg. These processes not only cannot be indexed, but must all be completed manually one by one.

Especially the cutting process of the erhu peg, because there is not a kind of grinding mechanism that is specially used to cut off the redundant part of the erhu peg on the market, so it is basically done by semi-mechanical and semi-manual at present. This backward grinding method of the peripheral surface of the erhu peg not only requires a large number of operators, but also has high labor intensity and high processing cost, and it is difficult to guarantee the processing quality of the peg, the processing consistency is poor, it is easy to scrap, and the processing efficiency is low.

Utility model content

In order to make up for the deficiencies of the prior art, the utility model aims to provide a cutting mechanism for an automatic processing machine for erhu pegs, which can automatically cut off redundant parts of erhu pegs, improve processing efficiency and reduce labor intensity.

In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the utility model is realized through the following technical solutions:

A cutting mechanism for an automatic processing machine for erhu pegs, which is composed of a clamping device and a sawing device arranged on a processing table;

The sawing device includes a sawing device mounting plate arranged on the processing table, two large linear guide rails are arranged on the sawing device mounting plate, and a Lead screw nut, the front end of two described large linear guide rails is provided with a baffle plate, and the rear end of two described large linear guide rails is provided with a sawing device feed motor, and the rotating shaft of described saw device feed motor and One end of the lead screw nut is connected, and a saw blade bracket is arranged on the two large linear guide rails, and the bottom of the saw blade bracket is connected with the lead screw nut through a connecting block; The rear portion of the bracket is provided with a saw blade driving motor, and the front portion of the saw blade bracket is provided with a saw blade blade horizontally; The blade is connected with a driven pulley through a coupling shaft, and the driving pulley and the driven pulley are connected by a belt;

The clamping device is located in front of the sawing device, and the clamping device includes two guide rail brackets arranged on the processing table, each guide rail bracket is respectively provided with a small linear guide rail, two of the An air claw bracket is arranged on the small linear guide rail, and an air claw elastic cylinder is arranged on the air claw bracket, and an air claw is arranged on the swing rod of the air claw elastic cylinder, and the air claw is positioned on the saw blade. The air claw is directly below the knife, and the air claw is aligned with the peg blank on the indexing plate; an air claw telescopic cylinder is arranged between the two small linear guide rails, and the air claw telescopic cylinder is fixed on the air claw At the bottom of the bracket, the moving direction of the piston rod of the air claw telescopic cylinder is parallel to the two small linear guide rails, and the piston rod of the air claw telescopic cylinder is connected with the baffle plate.

Further, a tension pulley is arranged between the driving pulley and the driven pulley, and the tension pulley is mounted on the saw blade bracket through a tension pulley bracket.

Further, a travel switch stopper is arranged on one side of the saw blade bracket, and two travel switches arranged in front and back are arranged on the outer surface of any one of the large linear guide rails; the travel switch stopper and the two travel switch stoppers The two travel switches are located on the same side of the sawing device.

Further, the air claw support is a three-layer support, the bottom layer of the three-layer support is connected to the two large linear guide rails, the air claw elastic cylinder is installed on the middle layer of the three-layer support, and the air The piston rod of the claw telescopic cylinder is connected with the middle layer of the three-layer support through a connecting piece.

The working principle of the utility model is as follows:

The utility model relates to a cutting mechanism applied to an automatic processing machine for erhu pegs. At the center of the automatic processing machine for erhu pegs, there is an indexing plate controlled by a stepping motor. In front of the indexing plate is the loading station for peg blanks, on the left side of the indexing plate is the drilling station for peg blanks, and on the rear side of the indexing plate is the peg blanks The grinding station, on the right side of the dial is the peg blank cutting station. And the cutting mechanism of the utility model is exactly on the cutting station of this erhu peg automatic processing machine.

When the peg blank is finished grinding at the grinding station of the Erhu peg automatic processing machine, the operator presses the start button, and the stepping motor of the index plate works, driving the index plate to turn 90° again, and the peg blank is rotated To the cutting station where the utility model is located. Then the air claw elastic cylinder of the utility model works, drives the air claw to open, and the air claw telescopic cylinder also works, drives the air claw to move forward through the small linear guide rail, the air claw elastic cylinder works again, drives the air claw to grasp, clamps and installs Finished pegs on a dial. Then the saw blade drive motor works, and the saw blade is driven to rotate through the belt drive, and then the feed motor of the sawing device rotates forward, and the saw blade bracket is driven forward by the screw nut and the large linear guide rail, and the finished peg The top of the sawing action.

When the travel switch stopper installed on the saw blade bracket touches the front travel switch, the sawing action is completed, and the feed motor of the sawing device reverses immediately, and the saw blade bracket is driven backward through the screw nut and the large linear guide rail. Movement, exit sawing action, when the travel switch stopper installed on the saw blade bracket touches the travel switch in the rear section, the exit is completed; then the feed motor of the sawing device stops working, and the saw blade driving motor also stops working , the saw blade knife stops; then the air claw telescopic cylinder works, and the small linear guide rail drives the air claw clamping the peg to move backward, and the cut peg is removed from the cutting station, and the air claw elastic cylinder works again. The driving air claw is released, the peg falls, and a whole peg cutting process is completed so far.

The beneficial effects of the utility model are:

1. The cutting mechanism of the utility model is installed in the automatic processing machine for erhu pegs, and can work simultaneously with other processing procedures of erhu pegs through the rotation of the index plate, with high efficiency.

2. The cutting mechanism of the utility model adopts the air claw controlled by the air cylinder. The air claw can not only automatically clamp the finished peg on the erhu peg automatic processing machine, but also remove the cut peg from the cutting station. Move out, and use stepping motor drive, screw nut and linear guide rail transmission to realize the automatic processing of the saw blade on the peg, without manual operation, and low labor intensity.

3. The cutting mechanism of the utility model is equipped with a travel switch to control the cutting action when the saw blade automatically cuts off the top of the peg.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. Rear. The specific embodiment of the utility model is given in detail by the following examples and accompanying drawings.

Description of drawings

The drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is the position relationship diagram of the cutting mechanism of the present invention on the erhu peg automatic processing machine;

Fig. 2 is the perspective view of the utility model grinding mechanism;

Fig. 3 is a schematic structural view of the clamping device in the grinding mechanism of the present invention;

Fig. 4 is a structural schematic diagram of the sawing device in the grinding mechanism of the present invention.

detailed description

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Referring to Figures 1-4, a cutting mechanism for an automatic processing machine for erhu pegs is composed of a clamping device and a sawing device arranged on the processing table 1;

The sawing device includes a sawing device mounting plate 114 arranged on the processing table 1, and the sawing device mounting plate 114 is provided with two large linear guide rails 115, between the two large linear guide rails 115 A lead screw nut 116 is arranged in parallel between them, a baffle plate 121 is provided at the front ends of the two large linear guide rails 115, and a sawing device feed motor 118 is provided at the rear ends of the two large linear guide rails 115, so that The rotating shaft of the sawing device feed motor 118 is connected with one end of the lead screw nut 116, and a saw blade bracket 117 is arranged on the two large linear guide rails 115, and the bottom of the saw blade bracket 117 passes through a The connecting block is connected with the lead screw nut 116; a saw blade drive motor 101 is arranged at the rear of the saw blade bracket 117, and a saw blade knife 107 is arranged laterally at the front of the saw blade bracket 117; A driving pulley 102 is arranged on the rotating shaft of the saw blade drive motor 101, and the saw blade 107 is connected with a driven pulley 106 through a coupling shaft, and the driving pulley 102 and the driven pulley 106 are connected by belt 103;

The clamping device is located in front of the sawing device, and the clamping device includes two guide rail brackets 109 arranged on the processing table 1, and each guide rail bracket 109 is respectively provided with a small linear guide rail 110, An air claw bracket 120 is arranged on the two small linear guide rails 110, an air claw elastic cylinder 112 is arranged on the air claw bracket 120, and an air claw 111 is arranged on the swing rod of the air claw elastic cylinder 112. , the air claw 111 is located directly below the saw blade 107, and the air claw 111 is aligned with the peg blank 2 on the index plate; an air claw is arranged between the two small linear guide rails 110 Telescopic cylinder 108, the air claw telescopic cylinder 108 is fixed on the bottom of the air claw bracket 120, the movement direction of the piston rod of the air claw telescopic cylinder 108 is parallel to the two small linear guide rails 110, the air claw telescopic The piston rod of the cylinder 108 is connected with the baffle 121 .

Further, as shown in FIG. 4, a tension pulley 104 is arranged between the driving pulley 102 and the driven pulley 106, and the tension pulley 104 is installed through a tension pulley bracket 105 On the saw blade bracket 117 .

Further, as shown in FIG. 4, a travel switch stopper 119 is provided on one side of the saw blade bracket 117, and two travel switches arranged in front and back are provided on the outer surface of any one of the large linear guide rails 115. 113; the travel switch stopper 119 and the two travel switches 113 are located on the same side of the sawing device.

Further, as shown in FIG. 3 , the air claw support 120 is a three-layer support, the bottom layer of the three-layer support is connected to the two large linear guide rails 115, and the air claw elastic cylinder 112 is installed on the In the middle layer of the three-layer support, the piston rod of the air claw telescopic cylinder 108 is connected with the middle layer of the three-layer support through a connecting piece 122 .

The working principle of the utility model is as follows:

The utility model relates to a cutting mechanism applied to an automatic processing machine for erhu pegs. At the center of the automatic processing machine for erhu pegs, there is an indexing plate controlled by a stepping motor. In front of the indexing plate is the loading station for peg blanks, on the left side of the indexing plate is the drilling station for peg blanks, and on the rear side of the indexing plate is the peg blanks The grinding station, on the right side of the dial is the peg blank cutting station. And the cutting mechanism of the utility model is exactly on the cutting station of this erhu peg automatic processing machine.

When the peg blank is finished grinding at the grinding station of the Erhu peg automatic processing machine, the operator presses the start button, and the stepping motor of the index plate works, driving the index plate to turn 90° again, and the peg blank is rotated To the cutting station where the utility model is located. Then the air claw elastic cylinder of the utility model works, drives the air claw to open, and the air claw telescopic cylinder also works, drives the air claw to move forward through the small linear guide rail, the air claw elastic cylinder works again, drives the air claw to grasp, clamps and installs Finished pegs on a dial. Then the saw blade drive motor works, and the saw blade is driven to rotate through the belt drive, and then the feed motor of the sawing device rotates forward, and the saw blade bracket is driven forward by the screw nut and the large linear guide rail, and the finished peg The top of the sawing action.

When the travel switch stopper installed on the saw blade bracket touches the front travel switch, the sawing action is completed, and the feed motor of the sawing device reverses immediately, and the saw blade bracket is driven backward through the screw nut and the large linear guide rail. Movement, exit sawing action, when the travel switch stopper installed on the saw blade bracket touches the travel switch in the rear section, the exit is completed; then the feed motor of the sawing device stops working, and the saw blade driving motor also stops working , the saw blade knife stops; then the air claw telescopic cylinder works, and the small linear guide rail drives the air claw clamping the peg to move backward, and the cut peg is removed from the cutting station, and the air claw elastic cylinder works again. The driving air claw is released, the peg falls, and a whole peg cutting process is completed so far.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (4)

1. A cutting mechanism for an automatic processing machine for erhu pegs, characterized in that: it consists of a clamping device and a sawing device arranged on the processing table (1); The sawing device includes a sawing device mounting plate (114) arranged on the processing table (1), and the sawing device mounting plate (114) is provided with two large linear guide rails (115), two A lead screw nut (116) is arranged in parallel between the two large linear guide rails (115), a baffle plate (121) is provided at the front ends of the two large linear guide rails (115), The rear end of (115) is provided with a sawing device feeding motor (118), the rotating shaft of the sawing device feeding motor (118) is connected with one end of the lead screw nut (116), and the two large A saw blade bracket (117) is arranged on the linear guide rail (115), and the bottom of the saw blade bracket (117) is connected with the screw nut (116) through a connecting block; the saw blade bracket ( 117) is provided with a saw blade drive motor (101), and the front portion of the saw blade bracket (117) is provided with a saw blade knife (107); the saw blade drive motor (101) A driving pulley (102) is arranged on the rotating shaft of the saw blade (107), and a driven pulley (106) is connected to the saw blade (107) through a coupling shaft, and the driving pulley (102) and the driven pulley (106) are connected by belt (103); The clamping device is located in front of the sawing device, and the clamping device includes two guide rail brackets (109) arranged on the processing table (1), and each guide rail bracket (109) is respectively provided with A small linear guide rail (110), an air claw support (120) is provided on the two small linear guide rails (110), and an air claw elastic cylinder (112) is provided on the air claw support (120), so An air claw (111) is provided on the swing rod of the air claw elastic cylinder (112), the air claw (111) is located directly below the saw blade (107), and the air claw (111) is opposite to The peg blank (2) on the quasi-indexing plate; an air claw telescopic cylinder (108) is arranged between the two small linear guide rails (110), and the air claw telescopic cylinder (108) is fixed on the air The bottom of the claw bracket (120), the movement direction of the piston rod of the air claw telescopic cylinder (108) is parallel to the two small linear guide rails (110), and the piston rod of the air claw telescopic cylinder (108) is aligned with the The baffle (121) is connected. 2. The cutting mechanism for an automatic processing machine for erhu pegs according to claim 1, characterized in that: a tensioner is provided between the driving pulley (102) and the driven pulley (106) The pulley (104), the tension pulley (104) is installed on the saw blade bracket (117) through a tension pulley bracket (105). 3. The cutting mechanism for an automatic processing machine for erhu pegs according to claim 1, characterized in that: one side of the saw blade bracket (117) is provided with a travel switch stopper (119), any Two travel switches (113) arranged in front and back are arranged on the outer surface of one of the large linear guide rails (115); the travel switch stopper (119) and the two travel switches (113) are located same side of the device. 4. The cutting mechanism for an automatic processing machine for erhu pegs according to claim 1, characterized in that: the air claw support (120) is a three-layer support, and the bottom layer of the three-layer support is connected to the two The large linear guide rail (115) is connected, the air claw elastic cylinder (112) is installed in the middle layer of the three-layer support, and the piston rod of the air claw telescopic cylinder (108) is connected to the The middle layer connection of the three-layer support.