CN212219621U - Intermittent equidistant molding press - Google Patents

Abstract

An intermittent isometric die press comprises a base, an unwinding shaft, a transmission mechanism, a die press mechanism, a tensioning mechanism and a winding shaft which are all arranged on the base, wherein the transmission mechanism, the die press mechanism and the tensioning mechanism are all positioned between the unwinding shaft and the winding shaft and are mutually connected through a film material; and a one-way roller shaft is arranged between the tensioning device and the die pressing mechanism and close to one side of the unreeling shaft, and the rotation direction of the one-way roller shaft is consistent with the transmission direction of the film material.

Description

Intermittent equidistant molding press

Technical Field

The utility model relates to the field of machinary, concretely relates to intermittent type formula equidistance moulding press.

Background

At present, the most adoption moulding press of current radium-shine trade mark prints, the moulding press mainly include the organism, the organism facial make-up be equipped with and be the main delivery roll, main wind-up roll, go up the mould compression roller, lower mould compression roller that are parallel to each other and put, main delivery roll and main wind-up roll correspond adorn admittedly on the left and right ends of organism, go up mould compression roller and lower mould compression roller and be located between main delivery roll and the main wind-up roll, during the use, overlap blank printing stock form on main delivery roll and export, when the blank printing paper of export is through going up between mould compression roller and the lower mould compression roller, go up mould compression roller and lower mould compression roller and will extrude each other and print corresponding radium-shine trade mark pattern on blank printing paper, the printing paper that prints the radium-shine trade mark pattern at last. However, due to the influence of factors such as resistance, gravity, external wind power and the like, printed paper output from the main output roller cannot always keep the same accurate conveying speed, so that the mutual distance between one group of laser trademarks extruded and printed by one circle of rotation of the upper die roller and the lower die roller and the next group of laser trademarks extruded and printed by the next circle of rotation of the upper die roller and the lower die roller are prone to deviation, the distance between every two adjacent groups of laser trademarks on the printed paper after continuous printing is different, and printed products cannot be accurately linked with subsequent technical processes such as positioning overprinting, positioning continuous stamping, positioning labeling and the like, and inconvenience is brought to users. Although the patent named laser trademark equidistant molding press was filed in 2013 by our company (patent number: 2013201333563), the actual operation process of the patent still has the technical problem of insufficient precision and slow operation, and therefore the patent further develops the patent.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an intermittent type formula equidistance moulding press:

an intermittent isometric die press comprises a base, an unwinding shaft, a transmission mechanism, a die press mechanism, a tensioning mechanism and a winding shaft which are all arranged on the base, wherein the transmission mechanism, the die press mechanism and the tensioning mechanism are all positioned between the unwinding shaft and the winding shaft and are mutually connected through a film material;

the tensioning mechanism comprises one or more tensioning devices, each tensioning device comprises a rotating shaft movably connected to the base and a swing arm with one end fixedly connected with the rotating shaft, the other end of each swing arm is provided with a floating roller connected with the membrane, and the tensioning devices generate downward tension on the membrane so that the membrane is always in a tensioning state;

and a one-way roller shaft is arranged between the tensioning device and the die pressing mechanism and close to one side of the unreeling shaft, and the rotation direction of the one-way roller shaft is consistent with the transmission direction of the film material.

Preferably, the molding roller is connected with an intermittent drive device, the intermittent drive device is used for controlling intermittent forward and reverse rotation of the molding roller, the intermittent drive device comprises a drive motor and a circulating delay relay connected with the drive motor, and the circulating delay relay is used for controlling forward and reverse rotation of the drive motor.

Preferably, the tensioning mechanism is provided with two tensioning devices which are respectively positioned at two sides of the die pressing mechanism, so that the film material between the longitudinal movable roller and the die pressing roller is always in a tensioning state; when the die pressing roller is pressed on the upper surface of the film material, the die pressing roller drives the film material to move, and the swinging arm rotates upwards relatively under the tensile force of the film material, so that the film material is prevented from being broken or deformed due to the fact that the film material receives overlarge instantaneous tensile force; in addition, the conveying intermittent speed caused by intermittent motion of the mould pressing mechanism can be effectively compensated through the tensioning device, so that the conveying speed of the film material near the unreeling shaft and the reeling shaft is always in a uniform state, and the speed control of the film material is facilitated.

Preferably, the device also comprises a control host, wherein the control host is connected with the unwinding shaft, the transmission mechanism, the molding mechanism, the tensioning mechanism and the winding shaft and is used for controlling the transportation and the molding of the film material.

Preferably, the film material conveying device further comprises a rotating speed sensor positioned above the unreeling shaft, and the rotating speed sensor is connected with the control host machine and used for detecting the film material conveying speed.

Preferably, the ejector rod comprises a ball or a roller movably arranged at the upper end of the ejector rod, and the ball or the roller can form abutting fit with the longitudinal movable roller.

Has the advantages that: the mould pressing mechanism that this product has makes the film stock that is located near mould pressing mechanism be in the state of intermittent type formula transmission, and when the laminating pulling film stock of embossing roller, left side floating roll shifts up in the twinkling of an eye this moment, and when vertical activity roller lapse, the film stock loses pulling force, and the swing arm rotates downwards in the twinkling of an eye and drags the unreeling axle and go out the membrane, and the existence of one-way roller axle can effectively avoid the film stock that is located the mould pressing mechanism position to be dragged by reverse, has effectively improved the printing precision of film stock.

Drawings

Fig. 1 is a schematic diagram of the embodiment.

Fig. 2 is a schematic structural diagram of the embodiment.

Fig. 3 is an intermittent forward and reverse rotation control circuit.

1. A base; 2. unwinding the reel; 3. a winding shaft; 4. a molding roller; 5. a longitudinal movable roller; 6. a jacking device; 7. a top rod; 8. a thrust pump; 9. a floating roll device; 10. a one-way roller shaft; 11. a control host; 12. a rotation speed sensor.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

Example (b): an intermittent isometric die press comprises a base 1, an unwinding shaft 2, a transmission mechanism, a die press mechanism, a tensioning mechanism, a winding shaft 3, a control host machine 11 and a rotating speed sensor 12, wherein the unwinding shaft 2, the transmission mechanism, the die press mechanism, the tensioning mechanism, the winding shaft 3 and the rotating speed sensor are all arranged on the base 1. The transmission mechanism, the die pressing mechanism and the tensioning mechanism are all located between the unwinding shaft 2 and the winding shaft 3 and are connected with each other through film materials, and the control host 11 is connected with the unwinding shaft 2, the transmission mechanism, the die pressing mechanism, the tensioning mechanism and the winding shaft 3 and is used for controlling the transportation and die pressing of the film materials. Drive mechanism includes a plurality of transmission roller axle groups that are used for the film stock transmission, moulding press includes from last to the moulding roller 4, vertical movable roller 5 and the top position device 6 that set gradually down, the intermittent drive device that is equipped with is connected to moulding roller 4, intermittent drive device is used for controlling the positive and negative rotation of 4 axle intermittent type formulas of control roller, top position device 6 includes and constitutes the top with vertical movable roller 5 lower extreme and lean on complex ejector pin 7 and the cylinder 8 of connecting ejector pin 7, when ejector pin 7 shifts up and drives vertical movable roller 5 and moulding roller 4 clamp closure film stock, moulding roller 4 rotates the mould pressing in film stock upper surface. The ejector rod 7 comprises an idler wheel of the ejector rod 7, the idler wheel is movably arranged at the upper end of the ejector rod 7, and the idler wheel can form abutting fit with the longitudinal movable roller 5. Except for the mode of adopting top rollers or balls, the mode of arranging the movable frame to be connected with the longitudinal movable roller 5 and driving the movable frame to further drive the longitudinal movable roller 5 to move upwards through the mandril 7 can also be adopted, so that the longitudinal displacement control of the longitudinal movable roller 5 is realized.

The intermittent driving device comprises a driving motor and a circulating time delay relay connected with the driving motor, and the circulating time delay relay is used for controlling the driving motor to rotate forwards and backwards. It is also possible to control the intermittent forward and reverse rotation of the motor by using two time relays as shown in fig. 3, which is a common circuit control method in the art and will not be described in detail.

The rotating speed sensor 12 is connected with the control host 11 and is used for detecting the film material transportation speed, so that the speed control of the control host 11 is facilitated. The tensioning mechanism is provided with two tensioning devices 9, the two tensioning devices 9 are respectively located on two sides of the die pressing mechanism, each tensioning device 9 comprises a rotating shaft movably connected to the base 1 and a swing arm with one end fixedly connected with the rotating shaft, the other end of each swing arm is provided with a floating roller connected with the film material, and the tensioning devices 9 generate downward pulling force on the film material, so that the film material is always in a tensioning state. So that the film material between the longitudinal movable roller 5 and the die pressing roller 4 is always in a tensioning state; when the die pressing roller 4 is pressed on the upper surface of the film material, the die pressing roller 4 drives the film material to move, and the swinging arm receives the pulling force of the film material and rotates upwards relatively, so that the film material is prevented from being broken or deformed due to the fact that the film material receives overlarge instantaneous pulling force; in addition, the intermittent speed of the die pressing mechanism caused by intermittent motion can be effectively compensated through the tensioning device 9, so that the film material conveying speed near the unwinding shaft 2 and the winding shaft 3 is always in a uniform state, and the speed control of the film material is facilitated. The rotating shaft can be connected with a stepping motor, the driving motor is connected with the stepping motor, and the control stepping motor of the control host 11 is used for controlling the rotation of the swing arm, so that the film material error caused by the molding press mechanism is effectively compensated, and the equidistant accuracy of the printed patterns on the film material is improved.

One side, close to the unreeling shaft 2, between the tensioning device 9 and the die pressing mechanism is provided with a one-way roller shaft 10, and the rotation direction of the one-way roller shaft 10 is consistent with the film material transmission direction. When moulding roller 4 pulling membrane material, the left side floating roll shifts up in the twinkling of an eye this moment, and when vertical activity roller 5 moves down, the membrane material loses the pulling force, and the swing arm rotates downwards in the twinkling of an eye and drags unreeling axle 2 and go out the membrane, and the existence of one-way roller axle 10 can effectively avoid being located the membrane material of straining device position and is dragged by the reversal. The device has effectively improved the precision of membrane material.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims (6)

1. The utility model provides an intermittent type formula equidistance moulding press, includes base (1), all installs unreel axle (2), drive mechanism, moulding press, straining device, rolling axle (3) on base (1), its characterized in that: the film pressing device comprises a transmission mechanism, a die pressing mechanism and a tensioning mechanism, wherein the transmission mechanism, the die pressing mechanism and the tensioning mechanism are all positioned between an unwinding shaft (2) and a winding shaft (3) and are mutually connected through film materials, the transmission mechanism comprises a plurality of transmission roller shaft groups for film material transmission, the die pressing mechanism comprises a die pressing roller (4), a longitudinal movable roller (5) and a jacking device (6), the jacking device (6) comprises a jacking rod (7) and an air cylinder (8), the jacking rod (7) and the longitudinal movable roller (5) are in jacking fit with the lower end of the longitudinal movable roller (5), the air cylinder (8) is connected with the jacking rod (7), and when the jacking rod (7) moves upwards to drive the longitudinal movable roller (5) and the die pressing roller (4) to clamp the film materials, the die pressing roller;

the tensioning mechanism comprises one or more tensioning devices (9), each tensioning device (9) comprises a rotating shaft movably connected to the base (1) and a swing arm with one end fixedly connected with the rotating shaft, a floating roller connected with the film material is arranged at the other end of the swing arm, and the tensioning devices (9) generate downward tension on the film material;

one side, close to the unreeling shaft (2), between the tensioning device (9) and the die pressing mechanism is provided with a one-way roller shaft (10), and the rotation direction of the one-way roller shaft (10) is consistent with the film material transmission direction.

2. A batch isometric die press as claimed in claim 1, wherein: the intermittent driving device that mould compression roller (4) connection was equipped with, intermittent driving device is used for controlling the positive and negative rotation of control compression roller (4) intermittent type formula, intermittent driving device includes driving motor and the circulation delay relay who connects driving motor, circulation delay relay is used for controlling driving motor positive and negative rotation.

3. A batch isometric press as claimed in claim 1 or 2, wherein: the tensioning mechanism is provided with two tensioning devices (9), and the two tensioning devices (9) are respectively positioned at two sides of the die pressing mechanism.

4. A batch isometric die press as claimed in claim 1, wherein: the film material rolling machine is characterized by further comprising a control host (11), wherein the control host (11) is connected with the unwinding shaft (2), the transmission mechanism, the molding press mechanism, the tensioning mechanism and the winding shaft (3) and used for controlling the transportation and the molding of a film material.

5. The intermittent isometric die press of claim 4 wherein: the film material conveying device is characterized by further comprising a rotating speed sensor (12) located above the unreeling shaft (2), wherein the rotating speed sensor (12) is connected with the control host (11) and used for detecting the film material conveying speed.

6. A batch isometric die press as claimed in claim 1, wherein: the ejector rod (7) comprises a ball or a roller which is movably arranged at the upper end of the ejector rod (7), and the ball or the roller can form abutting fit with the longitudinal movable roller (5).

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