CN210287912U

CN210287912U - Cutting machine

Info

Publication number: CN210287912U
Application number: CN201921133763.8U
Authority: CN
Inventors: 李家品
Original assignee: Zhejiang Aizhi Intelligent Equipment Co Ltd
Current assignee: Zhejiang Aizhi Intelligent Equipment Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-10
Anticipated expiration: 2029-07-18

Abstract

The cutting machine comprises a cutting unit, a measuring unit and a paving unit, wherein the cutting unit is provided with a cloth outlet end and a cutting mechanism arranged at the cloth outlet end, the measuring unit consists of a measuring frame, an adjusting belt is arranged above the frame body, a slide block guide rail is arranged below the frame body on one side of the adjusting belt, a movable slide block support is arranged on the slide block guide rail, and a scale sensor is arranged on the slide block support; the scale sensor can send horizontal signals to control the operation of the cutting mechanism. The utility model discloses a measuring unit establishes belt surface friction, can carry out horizontal nature with the cloth that comes from cutting out single cloth outlet end and drag the flat. The single-out cutting is controlled after the cloth is sensed through the sliding of the scale inductor along with the sliding block support, so that the size deviation of the cloth cutting can be completely avoided.

Description

Cutting machine

Technical Field

The utility model relates to a cutting machine.

Background

The core technology of the existing cutting machine is that cloth is pressed on a roller set through a meter wheel device, then the roller set drives the cloth and the meter wheel to rotate, when the meter number of the meter wheel reaches the requirement, the roller set stops rotating, and the cloth is longitudinally cut off and cut off; in another mode, after the mechanical claw clamps the starting end of the cloth and moves transversely for a fixed distance, the longitudinal cutter cuts the cloth to form a finished product with a preset length.

However, since the fabric has elasticity, if the fabric is stretched by the above-mentioned treatment, the cutting machine faces the fabric having large elasticity, and the size error is large.

Disclosure of Invention

The utility model discloses just for solving the not enough of above-mentioned problem, provide one kind and can solve the elasticity cloth and tailor the size and have the error and two cloth joint finished product size deviation big machine of tailorring.

The utility model discloses the technical scheme who solves the problem as follows:

the cutting machine comprises a cutting unit, a measuring unit and a leveling unit, wherein the cutting unit is provided with a cloth outlet end and a cutting mechanism arranged at the cloth outlet end, and is characterized in that: the measuring unit consists of a measuring frame, an adjusting belt is arranged above the frame body, a sliding block guide rail is arranged below the frame body on one side of the adjusting belt, a movable sliding block support is arranged on the sliding block guide rail, and a scale sensor is arranged on the sliding block support; the scale sensor can send horizontal signals to control the operation of the cutting mechanism.

The sliding block bracket is driven by a sliding block synchronous belt through a sliding block motor.

The adjusting belts above the frame body are two and arranged left and right, and the scale inductor can be arranged between the two adjusting belts.

The paving unit comprises a paving upper frame and a paving lower frame; one end of the leveling upper frame is arranged below the tail end of the measuring frame, a driving shaft is driven by a motor through a short synchronous belt, two ends of the driving shaft respectively drive a pair of synchronous belts symmetrically arranged on the leveling upper frame, and the pair of synchronous belts are used for controlling a cloth clamping mechanism between the two synchronous belts.

The cloth clamping mechanism comprises stepping motors symmetrically arranged at two ends in opposite directions, a driving screw rod matched with the stepping motors, a cylinder support positioned on the driving screw rod and a clamping jaw cylinder arranged on the support; and inductors are arranged on one sides of the two symmetrical opposite cylinder supports.

The utility model has the advantages as follows:

1. the cloth from the cloth outlet end of the cutting single piece can be transversely and naturally dragged to be flat through the surface friction force of the belt arranged on the measuring unit.

2. The single-out cutting is controlled after the cloth is sensed through the sliding of the scale inductor along with the sliding block support, so that the size deviation of the cloth cutting can be completely avoided.

3. The cloth clamping mechanism can realize the paving effect of the cut cloth.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the measurement unit of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic structural view of the paving unit of FIG. 1;

fig. 5 is a schematic structural view of the cloth clamping mechanism shown in fig. 4.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, the cutting machine comprises a cutting unit 1, a measuring unit 2, a leveling unit 3 and a discharging unit 4, wherein the cutting unit 1 is provided with a cloth outlet end and a cutting mechanism 25 arranged at the cloth outlet end 24, the measuring unit 2 is composed of a measuring frame, an adjusting belt 7 is arranged above the frame body, a slide block guide rail 12 is arranged below the frame body at one side of the adjusting belt 7, a movable slide block support 10 is arranged on the slide block guide rail 12, and a scale sensor 11 is arranged on the slide block support 10; the scale sensor 11 can send horizontal signals to control the operation of the cutting mechanism 25.

In the present invention, the slider guide rail 12 is disposed in the same direction and in parallel with the adjusting belt 7. The scale sensor 11 usually adopts one of a photoelectric sensor or a proximity sensor, both of which send high and low level signals to the outside, and the existing controller controls the on and off of the power circuit after receiving the level signals.

The utility model discloses an realize the principle as follows:

the measuring unit 2 is powered by a three-phase asynchronous motor 5 matched with a speed reducer to drive a driving roller 6 to rotate at a high speed, so that an adjusting belt 7 arranged on the driving roller 6 is driven.

When the cloth is output from the cloth outlet end 24 of the cutting unit 1 and then vertically falls down onto the adjusting belt 7, the cloth is horizontally dragged and leveled by the surface friction of the adjusting belt 7. When the initial end of the cloth is conveyed to the position of the scale sensor 11 along with the adjusting belt 7 and shields the upper part of the scale sensor 11, the scale sensor 11 sends a level signal to the cutting mechanism 25 of the cutting unit 1, and the cutting mechanism 25 is controlled to perform cutting operation. In the whole process, the cloth is driven by the friction force on the surface of the adjusting belt 7, so that the surface of the cloth cannot be stretched, and the size error of the cloth after cutting is avoided.

In addition, the slide block guide rail 12 is parallel to the adjusting belt 7, and the linearity of the adjusting size is also ensured. Namely, the scale sensor 11 slides along with the slide block guide rail 12 and is adjusted in linear proportion to the cloth.

Continuing to refer to fig. 3, as a further improvement of the present invention, the slider bracket 10 is driven by a slider synchronous belt 9 via a slider motor 8.

The utility model discloses in, slider motor 8 adopts servo motor usually, and consequently it rotates certain angle, just can drive lateral shifting about slider support 10 through slider hold-in range 9.

Continuing to refer to fig. 2, further, as an improvement to the present invention, the adjusting belts 7 above the frame body are two and arranged left and right, and the scale sensor 11 can be between the two adjusting belts 7, 7'.

The utility model discloses in, leave the 40mm interval usually between adjusting belt 7 and the adjusting belt 7 ', scale inductor 11 can respond to the cloth that is located two adjusting belt 7, 7' tops in the space of this interval. And the reserved size is 40mm, so that the interference of the adjusting belt to the sensor can be reduced when the more sensitive sensors are selected. In addition, the distance between the two adjusting belts 7 and 7' can be adjusted in specific implementation, and can be realized by the length of the driving roller 6 and the structure of the driving shaft 6 provided with a buckle and the like.

With continuing reference to fig. 4, as an improvement of the present invention, the paving unit 3 includes a paving upper frame and a paving lower frame; one end of the paving upper frame is arranged below the tail end of the measuring frame, a motor 13 drives a driving shaft 15 through a short synchronous belt 14, two ends of the driving shaft 15 respectively drive a pair of synchronous belts 16 and 16 ' symmetrically arranged on the paving upper frame, and the pair of synchronous belts 16 and 16 ' are used for controlling a cloth clamping mechanism 17 between the two synchronous belts 16 and 16 '.

The utility model discloses in, when the cloth finished product size of hanging down was half, press from both sides cloth mechanism 17 and can step up the rapid lateral shifting in edge of cloth, and draw the cloth flat towards both sides, press from both sides cloth mechanism 17 and can loosen the cloth when removing the distance of settlement, the finished product just falls on ejection of compact unit 4 like this, then press from both sides cloth mechanism 17 can be rapidly by motor 13 through the hold-in range 16 of short hold-in range 14 drive driving shaft 15 both ends, 16' takes original position back rapidly, and wait next finished product, also so reciprocating motion and reach the effect of leveling.

Continuing to refer to fig. 5, as an improvement of the present invention, the cloth clamping mechanism 17 includes stepping motors 19, 19 ' symmetrically arranged at two ends in opposite directions, driving screws 20, 20 ' matched with the stepping motors 19, 19 ', and cylinder brackets 23, 23 ' located on the driving screws 20, 20 ' and clamping jaw cylinders 18, 18 ' mounted on the cylinder brackets 23, 23 '; inductors 21 and 21 'are arranged on one side of the two symmetrical cylinder supports 23 and 23' which are oppositely arranged.

Usually, one more sensor 22, 22 'is also provided for each cylinder support 23, 23'. Two sensors are arranged on each air cylinder support, so that the two side edges of the cloth can be sensed more accurately.

The jaws of the jaw cylinders 18, 18' may operate over a range of 180 degrees.

The utility model discloses in, when the cloth finished size that hangs down is half, clamping jaw cylinder 18 and clamping jaw cylinder 18 'among the double-layered cloth mechanism 17 can step up the edge of cloth, when the finished product begins to fall down, inductor 21 and inductor 22 on one side cylinder support 23 begin to work, if two inductors do not have the response, then step motor 19 rotates clockwise fast, the corresponding drive lead screw 20 drives the cylinder support 23 that corresponds and moves right, until inductor 22 responds, the edge of cloth is found to the cylinder support 23 of this side promptly, the cylinder support 23' of opposite side is also so.

If the

sensors

21 and 22 on the side cylinder bracket 23 both respond, the side stepping motor 19 rapidly rotates anticlockwise, the driving screw rod 20 corresponding to the side drives the side cylinder bracket 23 to move rightwards until the sensor 21 positioned outside the sensor 22 does not respond, namely the edge of the cloth is found; whereas if inductor 21 does not respond and inductor 22 does, then stepper motor 19 is not operated. Correspondingly, the stepping motor 19 'arranged on the other symmetrical air cylinder bracket 23', the driving screw rod 20 'and the inductor 21' and the inductor 22 'on the air cylinder bracket 23' have the same principle.

After the edge of the cloth is positioned, the clamping jaw air cylinder 18 and the clamping jaw air cylinder 18 ' can rapidly and transversely move when the edge of the cloth is clamped, the cloth is respectively leveled towards two sides, the clamping jaw air cylinder 18 and the clamping jaw air cylinder 18 ' can be loosened when the cloth clamping mechanism 17 moves to a set distance, so that a finished product falls onto the discharging unit 4, then the cloth clamping mechanism 17 can rapidly drive the driving shaft 15 through the short synchronous belt 14 by the motor 13 to drive the synchronous belts 16 and 16 ' at two ends of the driving shaft 15 to rapidly return to the original position, and the next finished product is subjected to reciprocating motion to achieve the leveling effect.

In the above embodiment, the cloth clamping mechanism 17 is moved to a set distance, which is generally determined by the number of revolutions of the motor 13, and the selected motor 13 is a servo motor, which may be provided with an encoder. Alternatively, the set number of revolutions can be controlled in another non-programmed manner, i.e. by using a surface-controlled controller. The number of revolutions corresponds to the moving distance of the cloth clamping mechanism 17.

It should be understood that the size of the cut fabric is adjusted according to the requirements of the application. Therefore, in the above embodiments, the adjustment of the distance between the adjusting belts 7 and 7', the moving distance of the cloth clamping mechanism 17, and the like can be performed according to the required cloth cutting in the disclosed embodiment. If different sensors are used, the height of the sensors needs to be close to the same plane as the adjusting belts, even the distance between the adjusting belts 7 and 7' can be smaller, the moving distance of the cloth clamping mechanism 17 can be longer or shorter, and the like.

Claims

1. The cutting machine comprises a cutting unit, a measuring unit and a leveling unit, wherein the cutting unit is provided with a cloth outlet end and a cutting mechanism arranged at the cloth outlet end, and is characterized in that: the measuring unit consists of a measuring frame, an adjusting belt is arranged above the frame body, a sliding block guide rail is arranged below the frame body on one side of the adjusting belt, a movable sliding block support is arranged on the sliding block guide rail, and a scale sensor is arranged on the sliding block support; the scale sensor can send horizontal signals to control the operation of the cutting mechanism.

2. The clipping machine of claim 1, wherein: the sliding block bracket is driven by a sliding block synchronous belt through a sliding block motor.

3. The clipping machine of claim 1, wherein: the adjusting belts above the frame body are two and arranged left and right, and the scale inductor can be arranged between the two adjusting belts.

4. The clipping machine of claim 1, wherein: the paving unit comprises a paving upper frame and a paving lower frame; one end of the leveling upper frame is arranged below the tail end of the measuring frame, a driving shaft is driven by a motor through a short synchronous belt, two ends of the driving shaft respectively drive a pair of synchronous belts symmetrically arranged on the leveling upper frame, and the pair of synchronous belts are used for controlling a cloth clamping mechanism between the two synchronous belts.

5. The clipping machine of claim 4, wherein: the cloth clamping mechanism comprises stepping motors symmetrically arranged at two ends in opposite directions, a driving screw rod matched with the stepping motors, a cylinder support positioned on the driving screw rod and a clamping jaw cylinder arranged on the support; and inductors are arranged on one sides of the two symmetrical opposite cylinder supports.