CN110194386A - A kind of material rolling device and the die-cutting machine with the material rolling device - Google Patents

Abstract

The invention provides a coiling device, comprising a support, a coiling fixing mechanism for fixing a coiled product, and a coiling mechanism for driving a coiled product to rotate, the coiling fixing mechanism and the coiling mechanism are respectively fixed on the support On the seat, the coil material fixing mechanism includes a linear reciprocating drive mechanism, at least two parallelogram mechanisms, and a turntable, and the turntable is rotatably connected to the support. The parallelogram mechanism includes a first parallel connecting rod, a second Two connecting rods and a first crank and a second crank parallel to each other, the two ends of the first crank are hinged to the first connecting rod and the second connecting rod respectively. The beneficial effect of the present invention is that the second connecting rod of the parallelogram mechanism can be driven to expand and contract by the linear reciprocating drive mechanism, so as to realize the fixation of the coil product, better reduce the eccentricity, and avoid the sudden change of the coil material. The defect of looseness and tightness reduces the probability of die-cutting offset and broken belt.

Description

Coil device and die-cutting machine with the coil device

technical field

The invention relates to a coiling device, in particular to a coiling device and a die-cutting machine with the coiling device.

Background technique

Die-cutting machines are generally used in the fields of mobile computers, liquid crystal displays, digital cameras, semiconductors, and medical equipment. Under the action, the forming process of rolling printed matter or other plate-like blanks into the desired shape or cut marks, usually the die-cutting and indentation process is to combine the die-cutting knife and the creasing knife in the same template, and simultaneously on the die-cutting machine The process of die-cutting and indentation processing is referred to as die-cutting for short.

The feeding system and receiving system of die cutting are generally roll material devices. The coiling device is mainly composed of an air shaft and flanges on both sides. When working, the flange is disassembled, and the coil is put into the air shaft. The expansion of the air shaft is closely attached to the coil. The coil rotates along the axis.

The structure of the inflatable shaft is relatively complicated, and the manufacturing cost is high. However, the current inflatable shaft will cause serious eccentricity between the inflatable shaft and the casing when it is inflated and contracted, especially for strips with large diameters and narrow widths. Obviously, this will cause serious eccentricity when die-cutting coil products, resulting in large fluctuations in tension, sudden looseness and tightness of the strip, and large jumps in the air shaft, which will cause serious product deviation, inaccurate positions, and frequent breaks during die-cutting. Belt and other issues.

Therefore, how to overcome the eccentric problem of the coiling device is a technical problem to be solved urgently by those skilled in the art.

Contents of the invention

In order to solve the problems in the prior art, the invention provides a coil device and a die-cutting machine with the coil device.

The invention provides a coiling device, comprising a support, a coiling fixing mechanism for fixing a coiling product, and a coiling mechanism for driving a coiling product to rotate, the coiling fixing mechanism and the coiling mechanism are respectively fixed on the support On the seat, the coil material fixing mechanism includes a linear reciprocating drive mechanism, at least two parallelogram mechanisms, and a turntable, and the turntable is rotatably connected to the support. Two connecting rods and the parallel first crank and second crank, the two ends of the first crank are respectively hinged with the first connecting rod and the second connecting rod, and the two ends of the second crank are respectively connected with the The first connecting rod and the second connecting rod are hinged, the first connecting rod is connected with the linear reciprocating drive mechanism, the moving direction of the linear reciprocating drive mechanism coincides with the axial direction of the turntable, and the linear reciprocating drive mechanism The mechanism drives the first connecting rod to perform linear reciprocating motion along the axial direction of the turntable, and the turntable is provided with radial guide rails arranged radially and corresponding to the parallelogram mechanism one by one, the second connecting rod and the The radial guide rail is slidingly connected, the second connecting rod performs linear reciprocating motion along the radial guide rail and the radial direction of the turntable, the parallelogram mechanism is arranged at intervals around the circumference of the turntable, and the coil material The mechanism is connected with the turntable to drive the turntable to rotate.

As a further improvement of the present invention, there are three parallelogram mechanisms arranged at intervals of 120 degrees around the circumference of the turntable, and three radial guide rails are arranged at intervals of 120 degrees around the circumference of the turntable.

As a further improvement of the present invention, the linear reciprocating drive mechanism includes a motor, a screw and a nut arranged on the screw, the screw and the nut form a screw-nut pair, and the motor passes through a coupling It is connected with the screw mandrel, the first connecting rod is connected with the nut, and the motor, the screw mandrel and the turntable are arranged coaxially.

As a further improvement of the present invention, the coiling mechanism includes a rotary drive mechanism and a friction rubber wheel, the rotary drive mechanism is connected to the friction rubber wheel, the friction rubber wheel is arranged tangentially to the turntable, and the rotation The driving mechanism drives the friction rubber wheel to rotate, and the friction rubber wheel drives the turntable to rotate.

As a further improvement of the present invention, the rotation drive mechanism is connected to the support through a height adjustment mechanism.

As a further improvement of the present invention, the height adjustment mechanism includes an adjustment block and an adjustment bolt, the adjustment block is fixed on the support, the adjustment bolt is threaded with the adjustment block, and the rotating drive mechanism is mounted on Above the adjusting bolt, the axial direction of the adjusting bolt is parallel to the radial direction of the friction rubber wheel.

As a further improvement of the present invention, the parallelogram mechanism is located on the front of the turntable, the back of the turntable is provided with an annular guide rail, and the support is provided with rollers that match the annular guide rail, and the rollers and The ring guide rail is rollingly connected.

As a further improvement of the present invention, there are at least three rollers and they are evenly spaced around the circumferential direction of the circular guide rail, the rollers are connected to the support through roller shafts, and bearings are arranged between the roller shafts and the rollers , A shaft washer is arranged between the bearing and the support.

As a further improvement of the present invention, the contact surface between the circular guide rail and the roller is a V-shaped surface.

The present invention also provides a die-cutting machine with a coiling device, including the coiling device as described in any one of the above.

The beneficial effects of the present invention are: through the above scheme, the second connecting rod of the parallelogram mechanism can be driven by the linear reciprocating drive mechanism to perform expansion and contraction movement, thereby realizing the fixation of the coil product, preferably reducing the eccentricity, avoiding the The defect of loose and tight tape material reduces the probability of die-cutting offset and broken tape.

Description of drawings

Fig. 1 is an exploded schematic view of a coiling device of the present invention.

Fig. 2 is a partial schematic diagram of a coiling device of the present invention.

Fig. 3 is a front view of a coiling device of the present invention.

FIG. 4 is a sectional view A-A of FIG. 3 .

Fig. 5 is a sectional view B-B of Fig. 4 .

FIG. 6 is a partial enlarged view C of FIG. 4 .

FIG. 7 is a partial enlarged view D of FIG. 4 .

Detailed ways

The present invention will be further described below in conjunction with the description of the drawings and specific embodiments.

As shown in Figures 1 to 7, a coil device includes a support 1, a coil fixing mechanism 2 for fixing the coil product 4, and a coil mechanism 3 for driving the coil product 4 to rotate, the coil fixing mechanism 2. The coil material mechanism 3 is respectively fixed on the support 1. The coil material fixing mechanism 2 includes a linear reciprocating drive mechanism, at least two parallelogram mechanisms 24, and a turntable 25. The turntable 25 is connected to the support 1. The parallelogram mechanism 24 includes a first connecting rod 241, a second connecting rod 242, a first crank 243 and a second crank 244 in parallel, and the two ends of the first crank 243 are respectively connected to the The first connecting rod 241 and the second connecting rod 242 are hinged, the two ends of the second crank 244 are respectively hinged with the first connecting rod 241 and the second connecting rod 242, and the first connecting rod 241 and the The linear reciprocating drive mechanism is connected, the moving direction of the linear reciprocating drive mechanism coincides with the axial direction of the turntable 25, and the linear reciprocating drive mechanism drives the first connecting rod 241 to perform linear reciprocating motion along the axial direction of the turntable 25 The turntable 25 is provided with a radial guide rail 251 arranged radially and corresponding to the parallelogram mechanism 24 one-to-one, the second connecting rod 242 is slidably connected to the radial guide rail 251, and the second connecting rod The rod 242 performs linear reciprocating motion along the radial guide rail 251 along the radial direction of the turntable 25, the parallelogram mechanism 24 is arranged at intervals around the circumference of the turntable 25, and the coiling mechanism 3 and the turntable 25 connected to drive the turntable 25 to rotate.

As shown in Figures 1 to 7, there are three parallelogram mechanisms 24 arranged at intervals of 120 degrees around the circumference of the turntable 25, and three radial guide rails 251 are arranged at intervals of 120 degrees around the circumference of the turntable 25. degree setting.

As shown in Figures 1 to 7, the linear reciprocating drive mechanism includes a motor 21, a screw mandrel 22, a nut 23 arranged on the screw mandrel 22, a bearing 27, a bearing seat 28, a collar 29, and the screw mandrel 22 and the nut 23 form a screw nut pair, the motor 21 is connected with the screw rod 22 through a coupling 26, the first connecting rod 242 is connected with the nut 23, the motor 21, the screw rod 22. The turntable 25 is set coaxially.

As shown in FIGS. 1 to 7 , the coiling mechanism 3 includes a rotary drive mechanism and a friction rubber wheel 38 , the rotary drive mechanism is connected with the friction rubber wheel 38 , and the friction rubber wheel 38 is connected to the turntable 25 Tangentially arranged, the rotary driving mechanism drives the friction rubber wheel 38 to rotate, and the friction rubber wheel 38 drives the turntable 25 to rotate.

As shown in Figures 1 to 7, the rotation drive mechanism is connected to the support 1 through a height adjustment mechanism.

As shown in Figures 1 to 7, the height adjustment mechanism includes an adjustment block 51 and an adjustment bolt 52, the adjustment block 51 is fixed on the support 1, and the adjustment bolt 52 is threaded with the adjustment block 51 , the rotary driving mechanism is framed on the adjusting bolt 52, the axial direction of the adjusting bolt 52 is parallel to the radial direction of the friction rubber wheel 38, and the rotating driving mechanism can be adjusted by the adjusting bolt 52. height, thereby adjusting the tightness of the friction rubber wheel 38 in contact with the turntable 25.

As shown in FIGS. 1 to 7 , the rotary drive mechanism includes a motor 31 , a shaft coupling 32 , a bearing 33 , a bearing seat 34 , a bearing 35 , a rotating shaft 36 , a collar 37 and a shaft washer 39 .

As shown in Figures 1 to 7, the parallelogram mechanism 24 is located on the front of the turntable 25, the back side of the turntable 25 is provided with an annular guide rail 61, and the support 1 is provided with a Cooperating roller 62, described roller 62 is rollingly connected with described annular guide rail 61, and roller 62 is connected with bearing 1 through roller shaft 65, is provided with bearing 63 between roller shaft 65, roller 62, between bearing 63, bearing 1 A shaft washer 64 is provided between them.

As shown in FIGS. 1 to 7 , there are at least three rollers 62 arranged uniformly around the circumferential direction of the annular guide rail 61 , preferably six rollers 62 are arranged at intervals of 60 degrees around the circumferential direction of the annular guide rail 61 .

As shown in FIG. 1 to FIG. 7 , the contact surface between the annular guide rail 61 and the roller 62 is a V-shaped surface.

The present invention also provides a die-cutting machine with a coiling device, including the coiling device as described in any one of the above.

A coiling device provided by the present invention and a die-cutting machine with the coiling device can drive the nut 23 to perform linear reciprocating motion along the axial direction of the turntable 25 through the motor 21, and drive the second connecting rod of the parallelogram mechanism through the nut 23 242 expands and contracts along the radial guide rail 251 of the turntable 25, thereby tensioning or loosening the coiled product 4, that is, the second connecting rod 242 moves toward the axis of the turntable 25, which is a contraction movement, which can loosen the coiled product 4. On the contrary, when the second connecting rod 242 moves away from the axis of the turntable 25, it is an opening movement, and the coil product 4 can be tensioned. When the coil product 4 is tensioned, the friction rubber wheel 38 can be driven by the motor 31 Rotate, friction rubber wheel 38 drives turntable 25 to rotate, realizes coiling material or receiving material.

A coiling device and a die-cutting machine provided with the coiling device provided by the present invention operate synchronously through a plurality of parallelogram mechanisms, which reduces the eccentricity after expansion and contraction, avoids the sudden loosening and tightening of the coiling material, and reduces the Die-cutting offset and the probability of broken belt, improve the die-cutting speed, the output and quality of product die-cutting are higher, can realize fast clamping and accurate positioning.

The coiling device provided by the invention can be used in die-cutting machines, and can also be used in automatic material feeding and receiving equipment.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (10)

1. a kind of material rolling device, it is characterised in that: produced including support, the coiled strip fixed mechanism of fixed coiled strip product and driving coiled strip The coiler of product rotation, the coiled strip fixed mechanism, coiler are separately fixed on the support, the fixed machine of the coiled strip Structure includes linear reciprocation driving mechanism, at least two parallelogram mechanisms, turntable, and the turntable and support rotation connect It connects, the parallelogram mechanism includes parallel first connecting rod, second connecting rod and the first parallel crank, the second song The both ends of handle, first crank are hinged with the first connecting rod, second connecting rod respectively, the both ends of second crank respectively with The first connecting rod, second connecting rod are hinged, and the first connecting rod is connect with the linear reciprocation driving mechanism, the linear reciprocation The direction of motion of driving mechanism and the axial direction of the turntable coincide, and the linear reciprocation driving mechanism drives the first connecting rod Axial along turntable carries out straight reciprocating motion, the turntable be equipped be arranged radially and with the parallelogram mechanism one One corresponding radial guidance, the second connecting rod are slidably connected with the radial guidance, and the second connecting rod is along the radial guiding Rail carries out straight reciprocating motion along the radial of the turntable, and the parallelogram mechanism is set around the circumferentially-spaced of the turntable It sets, the coiler is connect with the turntable, and the turntable is driven to rotate.

2. material rolling device according to claim 1, it is characterised in that: the parallelogram mechanism there are three and around described Circumferentially-spaced 120 degree of settings of turntable, there are three the radial guidances and circumferentially-spaced 120 degree around the turntable are arranged.

3. material rolling device according to claim 1, it is characterised in that: the linear reciprocation driving mechanism includes motor, silk Bar and the nut being arranged on the screw rod, the screw rod and the nut form feed screw nut pair, and the motor passes through shaft coupling Device is connect with the screw rod, and the first connecting rod is connect with the nut, the motor, screw rod, turntable coaxial arrangement.

4. material rolling device according to claim 1, it is characterised in that: the coiler includes rotary drive mechanism and rubs Rubber wheel, the rotary drive mechanism are connect with the friction rubber tire, the friction rubber tire and the tangent setting of the turntable, described Rotary drive mechanism drives the friction rubber tire rotation, and the friction rubber tire drives the turntable rotation.

5. material rolling device according to claim 4, it is characterised in that: the rotary drive mechanism passes through height adjustment mechanism It is connect with the support.

6. material rolling device according to claim 5, it is characterised in that: the height adjustment mechanism includes adjusting block and adjusting Bolt, the adjusting block are fixed on the support, and the adjusting bolt is threadedly coupled with the adjusting block, the rotation driving For mechanism rack on the adjusting bolt, the axial direction for adjusting bolt is parallel with the friction radial direction of rubber tire.

7. material rolling device according to claim 1, it is characterised in that: the parallelogram mechanism is located at the turntable Front, the back side of the turntable are equipped with ring-shaped guide rail, and the support is equipped with the idler wheel matched with the ring-shaped guide rail, described Idler wheel and the ring-shaped guide rail, which roll, to be connected.

8. material rolling device according to claim 7, it is characterised in that: the idler wheel at least there are three and lead around the annular The circumferentially-spaced of rail is uniformly arranged, and the idler wheel is connect by roller shaft with the support, is equipped between the roller shaft, idler wheel Bearing is equipped with shaft filler washer between the bearing, support.

9. material rolling device according to claim 7, it is characterised in that: the contact surface of the ring-shaped guide rail and the idler wheel is V-type face.

10. a kind of die-cutting machine with material rolling device, it is characterised in that: including rolling up as claimed in any one of claims 1-9 wherein Expect device.