CN112109421B - Big roller formula hot melt adhesive compounding machine - Google Patents
Big roller formula hot melt adhesive compounding machine Download PDFInfo
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- CN112109421B CN112109421B CN202010981059.9A CN202010981059A CN112109421B CN 112109421 B CN112109421 B CN 112109421B CN 202010981059 A CN202010981059 A CN 202010981059A CN 112109421 B CN112109421 B CN 112109421B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
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Abstract
The invention discloses a large roller type hot melt adhesive compounding machine, which comprises: the automatic winding device comprises a first unwinding device, wherein the first unwinding device is arranged on one side of a rack, a winding device is arranged on one side, far away from the first unwinding device, of the rack, a second unwinding device, a gluing device and a compounding device are arranged below the rack, the gluing device is arranged on one side, far away from the first unwinding device, of the second unwinding device, the compounding device is arranged on one side, far away from the second unwinding device, of the gluing device, the compounding device is provided with an automatic telescopic device capable of controlling the linear reciprocating motion of the upper portion of the compounding device, and the automatic telescopic device is connected below the rack. The automatic telescopic device can control the upper part of the composite device to do up-and-down linear reciprocating motion, so that the pressure for extruding two layers of fabrics when the composite device works is controlled, and the automatic telescopic device can also be used for adjusting the contact area of the composite device and the fabrics.
Description
Technical Field
The invention relates to the technical field of compound machines, in particular to a large-roller type hot melt adhesive compound machine.
Background
The compound machine is to bond two or more layers of fabrics into a whole by using an adhesive, so that the original fabrics obtain new functions. When traditional hot melt adhesive compounding machine was put two-layer surface fabric complex together, the area of contact of two-layer surface fabric when compounding was less, and compound effect is not good, or the surface fabric unevenness can influence compound surface fabric and warp when beginning the complex stage, when the discovery, need artifical exhibition flat surface fabric, lead to the extravagant surface fabric of complex in earlier stage. Accordingly, there is a need for a large roll-type hot melt adhesive compound machine that at least partially addresses the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a large-roll type hot melt adhesive compounding machine, comprising: the device comprises a first unreeling device, a second unreeling device, a rack, a conveying roller, a deviation rectifier, a gluing device, a composite device and a reeling device, wherein the first unreeling device is arranged on one side of the rack, the reeling device is arranged on one side of the rack far away from the first unreeling device, the second unreeling device, the gluing device and the composite device are all arranged below the rack, the gluing device is positioned on one side of the second unreeling device far away from the first unreeling device, the composite device is arranged on one side of the gluing device far away from the second unreeling device, an automatic telescopic device capable of controlling the linear reciprocating motion of the upper part of the composite device is arranged on the composite device, and the automatic telescopic device is connected below the rack;
the frame is provided with a conveying roller and a deviation rectifier, a first fabric on the first unreeling device is unreeled and then passes through the conveying roller and the deviation rectifier on the frame to be conveyed to one side of the compounding device, a second unreeling device unreels a second fabric to the gluing device and then enters one side of the compounding device, the second fabric and the first fabric pass through the compounding device to form a composite fabric, and the composite fabric enters the winding device for winding.
Preferably, the composite device comprises a large roller, a driving device, a belt and a belt transmission device, wherein one end of a rotating shaft of the large roller is connected with the driving device, the other end of the rotating shaft of the large roller is rotatably connected with a connecting piece, the number of the automatic telescopic devices is two, the lower end of each automatic telescopic device is fixedly connected with the driving device or the connecting piece, the belt transmission device is arranged on a bottom plate below the rack, the belt is sleeved on the belt transmission device, and the belt is tightly attached to the large roller; the driving device drives the big roller to rotate around a rotating shaft of the big roller and drives the belt tightly attached to the big roller to rotate around the belt transmission device.
Preferably, the belt transmission device comprises a first support and a second support, the first supports are symmetrically arranged on two sides below one end of the large roller, the upper end of each first support is obliquely arranged towards one side far away from the large roller, the lower end of each first support is hinged with the bottom plate, the outer side of each first support is connected with one end of an extension spring, and the other end of each extension spring is connected with the bottom plate; the second support is arranged between the two first supports, the lower end of the second support is fixedly connected with the bottom plate, the height of the first support is higher than that of the second support, and the upper end of the first support, the middle position of the first support and the upper end of the second support are both provided with conveying rollers for driving the belt.
Preferably, the rubber coating device is including spouting mucilage binding device, receiving groove, first rubber coating roller, pressure roller, second rubber coating roller, spout the gluey mouth orientation of spouting of mucilage binding device first rubber coating roller, first rubber coating roller with the pressure roller laminating is connected and central line between them is located same horizontal plane, second rubber coating roller laminating is connected the below of first rubber coating roller, the receiving groove is located the below of second rubber coating roller.
Preferably, the improved winding machine further comprises a flattening device, the flattening device is arranged on the rack, the flattening device is located the deviation rectifier is far away from one side of the first unwinding device, the outer side of the flattening device is fixedly connected with the rack, the flattening device comprises two battens, the two battens are arranged along the conveying direction of the first fabric in a splayed mode, the battens are parallel to the rack, the two battens are close to the space on one side of the first unwinding device and smaller than the space on the other side of the first unwinding device.
Preferably, the lath is an obtuse triangle, a short side adjacent to the obtuse angle is provided with a connecting plate fixedly connected with the rack, the connecting plate is perpendicular to the lath, and a long side adjacent to the obtuse angle is provided with a 45-degree chamfer.
Preferably, the strip is internally provided with a heating sheet.
Preferably, a heating rod is arranged inside the large roller.
Preferably, the rack is provided with a control device, the control device is electrically connected with the automatic telescopic device, the periphery of the large roller is provided with a pressure sensor, the belt transmission device is provided with a speed sensor, and the pressure sensor and the speed sensor are both in communication connection with the control device.
Preferably, the tension of the belt is calculated and adjusted by the control device, and the specific algorithm is as follows:
step 1: the pressure F applied by the big roller to the belt is calculated by using the measured values of the pressure sensor and the speed sensor1：
Wherein, T is P/V, T is time, P is the contact length of big roller with the belt, V is the speed of belt, FaIs the instantaneous pressure to which the belt is subjected, VaIs the instantaneous speed of the belt;
step 2: calculating the tension F of the belt2：
Wherein mu is the friction coefficient between the big roller and the belt,
and
the belt and the big roller are both transmission physical coefficients, alpha is a round wrap angle of the belt and the big roller, e is a mathematical constant, r is the radius of the big roller, and sigma is the thickness of the belt;
and step 3: according to the tension F of the belt calculated in the step 22With a predetermined minimum tension F of said belt0Making a comparison if F2≥F0The control device does not need to adjust the tension of the belt, if F2<F0Then the control device controls the automatic telescopic device to move downwards to drive the big roller to compress the belt downwards until F2≥F0And the control device stops the automatic telescopic device from continuously moving downwards.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the large-roller type hot melt adhesive compounding machine, the automatic telescopic device is designed to control the upper part of the compounding device to do up-and-down linear reciprocating motion, so that the pressure for extruding two layers of fabrics when the compounding device works is controlled, and the contact area of the compounding device and the fabrics can be adjusted; the excessive pressure of the composite device during working easily enables the fabrics to be stacked, the excessive pressure easily enables the fabrics to be folded to influence the finished products to cause waste, the automatic telescopic device can reasonably control the pressure of the composite device during fabric compounding, the situations of fabric folding and the like can be prevented from occurring during compounding, and the automatic telescopic device can drive the upper part of the composite device to move according to the situations of compounding different fabrics, adjust the contact area of the upper part and the lower part of the composite device, and further adjust the contact area of the fabrics and the composite device.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of a large-roll hot melt adhesive compounding machine according to the present invention.
Fig. 2 is a schematic view of a connection structure of a compounding device and an automatic telescopic device in a large-roller type hot melt adhesive compounding machine according to the present invention.
Fig. 3 is a schematic structural view of a glue application device in a large-roller hot melt adhesive compounding machine according to the present invention.
Fig. 4 is a schematic structural view of the connection between a large roller and an automatic telescopic device in the large roller type hot melt adhesive compounding machine according to the present invention.
FIG. 5 is a schematic structural view of a flattening device in a large-roll hot melt adhesive compounding machine according to the present invention.
FIG. 6 is a schematic side view of a flattening apparatus in a large-roll hot-melt adhesive compounding machine according to the present invention.
FIG. 7 is a schematic structural view of a strip in a large roll hot melt adhesive compounding machine according to the present invention.
1 is a first unreeling device, 2 is a second unreeling device, 3 is a frame, 4 is a conveying roller, 5 is a deviation corrector, 6 is a gluing device, 6-1 is a glue spraying device, 6-2 is a receiving groove, 6-3 is a first gluing roller, 6-4 is a pressure roller, 6-5 is a second gluing roller, 6-6 is a glue spraying opening, 7 is a composite device, 7-1 is a large roller, 7-1-1 is a rotating shaft, 7-2 is a driving device, 7-3 is a belt, 7-4 is a belt transmission device, 7-4-1 is a first bracket, 7-4-2 is a second bracket, 7-4-3 is a tension spring, 7-5 is a connecting piece, 8 is a reeling device, 9 is an automatic telescoping device, 10 is a first fabric, 11 is a second fabric, 12 is a composite fabric, 13 is a bottom plate, 14 is a flattening device, 14-1 is a batten, 14-2 is a connecting plate, 14-3 is a chamfer angle, and 15 is a control device.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-7, the present invention provides a large-roll type hot melt adhesive compounding machine, comprising: the automatic winding and unwinding device comprises a first unwinding device 1, a second unwinding device 2, a rack 3, a conveying roller 4, a deviation rectifier 5, a gluing device 6, a compounding device 7 and a winding device 8, wherein the first unwinding device 1 is arranged on one side of the rack 3, the winding device 8 is arranged on one side, far away from the first unwinding device 1, of the rack 3, the second unwinding device 2, the gluing device 6 and the compounding device 7 are all arranged below the rack 3, the gluing device 6 is positioned on one side, far away from the first unwinding device 1, of the second unwinding device 2, the compounding device 7 is arranged on one side, far away from the second unwinding device 2, of the gluing device 6, an automatic telescopic device 9 capable of controlling the linear reciprocating motion of the upper part of the automatic telescopic device 9 is arranged on the compounding device 7, and the automatic telescopic device 9 is connected below the rack 3;
be equipped with transfer roller 4 and deviation rectifier 5 in the frame 3, first surface fabric 10 on the first unreeling device 1 unreels the back and passes through in the frame 3 transfer roller 4 with deviation rectifier 5 carries extremely one side of set composite 7, second unreeling device 2 unreels second surface fabric 11 extremely behind the rubber coating device 6, get into one side of set composite 7, second surface fabric 11 with first surface fabric 10 passes through form compound surface fabric 12 behind set composite 7, compound surface fabric 12 gets into the rolling of coiling mechanism 8.
The working principle and the beneficial effects of the technical scheme are as follows: after a first fabric 10 is unreeled by a first unreeling device 1 and is conveyed to one side of a compounding device 7 through a conveying roller 4 and a deviation corrector 5 on a rack 3, the deviation corrector 5 is used for returning the first fabric 10 deviating from a conveying track to a correct track, after a second unreeling device 2 unreels a second fabric 11 to a gluing device 6, the gluing device 6 coats the second fabric 11 with hot melt adhesive and enters one side of the compounding device 7, the glued side of the second fabric 11 and the glued side of the first fabric 10 pass through the compounding device 7, two layers of fabrics are extruded by the compounding device 7 and are bonded together to form a compound fabric 12, and finally the compound fabric 12 enters a reeling device 8 to be reeled to complete compounding; the automatic telescopic device 9 can control the upper part of the composite device 7 to do up-and-down linear reciprocating motion, so as to control the pressure of the composite device 7 for extruding two layers of fabrics when in work and also can be used for adjusting the contact area of the composite device 7 and the fabrics; the too big surface fabric that makes of set composite 7 during operation pressure piles up easily, and the pressure undersize makes the surface fabric fold influence finished product easily and leads to extravagant, and automatic telescoping device 9 can rationally control set composite 7 the pressure size when carrying out the surface fabric complex, prevents to appear the condition such as surface fabric fold when compounding to can drive the partial motion on set composite 7 through automatic telescoping device 9 according to the condition of compound different surface fabrics, adjust the area of contact of its upper portion and lower part, and then the area of contact of adjustment surface fabric and set composite 7.
In one embodiment, the compounding device 7 comprises a large roller 7-1, a driving device 7-2, a belt 7-3 and a belt transmission device 7-4, one end of a rotating shaft 7-1-1 of the big roller 7-1 is connected with the driving device 7-2, the other end is rotatably connected with a connecting piece 7-5, the number of the automatic telescopic devices 9 is two, and the lower end of the automatic telescopic device 9 is fixedly connected with the driving device 7-2 or the connecting piece 7-5, the belt transmission device 7-4 is arranged on a bottom plate 13 below the rack 3, the belt 7-3 is sleeved on the belt transmission device 7-4, and the belt 7-3 is tightly attached to the big roller 7-1; the driving device 7-2 drives the big roller 7-1 to rotate around the rotating shaft 7-1-1 thereof, and drives the belt 7-3 tightly attached to the big roller 7-1 to rotate around the belt transmission device 7-4.
The working principle of the technical scheme is as follows: when the compound machine works, the driving device 7-2 drives the big roller 7-1 to rotate around the rotating shaft 7-1-1 thereof, the belt 7-3 is driven to rotate around the belt transmission device 7-4 by utilizing the friction force between the big roller 7-1 and the fabric and between the fabric and the belt 7-3, a certain pressure is arranged between the big roller 7-1 and the belt 7-3, and the big roller 7-1 and the belt 7-3 simultaneously press the fabric to ensure the friction force when the belt 7-3 rotates; when the pressure between the big roller 7-1 and the belt 7-3 needs to be adjusted, the automatic telescopic device 9 can drive the driving device 7-2 and the connecting piece 7-5 to move downwards or upwards at the same time, so as to drive the big roller 7-1 to move up and down, and the pressure between the big roller 7-1 and the belt 7-3 can be adjusted.
The beneficial effects of the above technical scheme are that: through the design of the structure, the pressure between the large roller 7-1 and the belt 7-3 can be adjusted at any time according to actual needs through the automatic telescopic device 9, the composite machine is suitable for compounding various fabrics, the belt transmission device 7-4 plays a role in supporting and tensioning the belt 7-3, and when the large roller 7-1 moves up and down, the belt transmission device 7-4 can be matched with the large roller 7-1, so that the belt 7-3 is ensured to be tightly attached to the large roller 7-1.
In one embodiment, the belt transmission device 7-4 comprises a first bracket 7-4-1 and a second bracket 7-4-2, the first bracket 7-4-1 is symmetrically arranged on two sides below one end of the large roller 7-1, the upper end of the first bracket 7-4-1 is obliquely arranged towards one side far away from the large roller 7-1, the lower end of the first bracket 7-4-1 is hinged with the bottom plate 13, the outer side of the first bracket 7-4-1 is connected with one end of an extension spring 7-4-3, and the other end of the extension spring 7-4-3 is connected with the bottom plate 13; the second support 7-4-2 is arranged between the two first supports 7-4-1, the lower end of the second support 7-4-2 is fixedly connected with the bottom plate 13, the height of the first support 7-4-1 is higher than that of the second support 7-4-2, and the conveying rollers 4 for driving the belt 7-3 are arranged at the upper end of the first support 7-4-1, the middle position of the first support 7-4-1 and the upper end of the second support 7-4-2.
The working principle of the technical scheme is as follows: the belt 7-3 is sleeved on the conveying roller 4 on the first support 7-4-1 and the second support 7-4-2, and rotates around the conveying roller 4 under the driving of the large roller 7-1, when the large roller 7-1 is adjusted to move downwards, the large roller 7-1 presses the belt 7-3 downwards, the belt 7-3 is pressed downwards, the first supports 7-4-1 on two sides are pulled inwards at the same time, one end of the extension spring 7-4-3 positioned outside the first supports 7-4-1 moves inwards along with the first supports 7-4-1, the extension spring 7-4-3 extends, deformation energy is stored, and then the first supports 7-4-1 are simultaneously subjected to the outward tension of the extension spring 7-4-3 and the inward tension of the belt 7-3, the belt 7-3 is in a tensioning state, the contact area of the belt 7-3 and the large roller 7-1 is increased, the contact pressure between the belt 7-3 and the large roller is changed, and the belt 7-3 cannot be loosened due to stress.
The beneficial effects of the above technical scheme are that: through the design of the structure, the first support 7-4-1, the second support 7-4-2 and the conveying roller 4 can ensure that the belt 7-3 keeps tension when in work, the first support 7-4-1 can move in a matched mode when the large roller 7-1 is adjusted to move up and down, the belt 7-3 can be tightly attached to the large roller 7-1 while the tension of the belt 7-3 is ensured, the conveying friction force is ensured, the tension of the belt 7-3 does not need to be adjusted manually when the belt 7-3 is loosened, the belt transmission device 7-4 can be matched by controlling the large roller 7-1 to move downwards through the automatic telescopic device 9, the belt 7-3 is kept in a tensioned state, the composite fabric 12 is better, and the quality of the composite fabric 12 is ensured.
In one embodiment, the glue coating device 6 comprises a glue spraying device 6-1, a receiving groove 6-2, a first gluing roller 6-3, a pressure roller 6-4 and a second gluing roller 6-5, a glue spraying opening 6-6 of the glue spraying device 6-1 faces the first gluing roller 6-3, the first gluing roller 6-3 is connected with the pressure roller 6-4 in a fit mode, center lines of the first gluing roller and the pressure roller are located on the same horizontal plane, the second gluing roller 6-5 is connected below the first gluing roller 6-3 in a fit mode, and the receiving groove 6-2 is arranged below the second gluing roller 6-5.
The working principle of the technical scheme is as follows: the glue spraying device 6-1 is used for storing hot melt glue and spraying glue to ensure that the hot melt glue is not solidified, the hot melt glue is sprayed out from the glue spraying opening 6-6 and is smeared on the first gluing roller 6-3, the first gluing roller 6-3 rotates anticlockwise to be contacted with the second gluing roller 6-5, the second gluing roller 6-5 can evenly coat the hot melt glue on the first gluing roller 6-3 to ensure that the hot melt glue is evenly coated on the first gluing roller 6-3, and then, rotating the uniformly coated side of the first gluing roller 6-3 to be attached to the pressure roller 6-4, coating the hot melt adhesive on the first gluing roller 6-3 on one side of the second fabric 11 between the first gluing roller and the second gluing roller to finish gluing, wherein the receiving groove 6-2 below the second gluing roller 6-5 is detachable, and the receiving groove 6-2 is used for receiving the redundant hot melt adhesive flowing down from the first gluing roller 6-3 and the second gluing roller 6-5.
The beneficial effects of the above technical scheme are that: through the design of the structure, the glue spraying device 6-1 can spray hot melt glue on one side of the first gluing roller 6-3, the second gluing roller 6-5 can uniformly coat the hot melt glue sprayed on the first gluing roller 6-3 to prevent the hot melt glue from being directly coated on the second fabric 11 to cause uneven gluing and influence the quality of the composite fabric 12, the pressure roller 6-4 is matched with the first gluing roller 6-3 to further uniformly coat the hot melt glue on the second fabric 11 to prevent uneven gluing or the hot melt glue from being adhered to the second fabric 11 in blocks, and the receiving groove 6-2 can prevent the hot melt glue from dropping in the glue spraying process.
In one embodiment, the fabric unwinding device further comprises a flattening device 14, the flattening device 14 is disposed on the rack 3, the flattening device 14 is located on one side of the deviation rectifier 5 away from the first unwinding device 1, the outer side of the flattening device 14 is fixedly connected with the rack 3, the flattening device 14 comprises two slats 14-1, the two slats 14-1 are arranged in a splayed manner along the conveying direction of the first fabric 10, the slats 14-1 are parallel to the rack 3, and the distance between the two slats 14-1 and the side close to the first unwinding device 1 is smaller than that between the two slats on the other side.
The working principle of the technical scheme is as follows: when the first fabric 10 is conveyed, the first fabric often wrinkles or rolls up around the first fabric, the flattening device 14 arranged on the frame 3 can flatten the curled edges of the two sides of the first fabric 10, the two slats 14-1 are arranged in a splayed manner, and when the first fabric 10 is conveyed, the first fabric moves relative to the flattening device 14, passes through the side with the smaller distance between the two slats 14-1 and the side with the wider distance, and can flatten the curled edge of the first fabric 10, which is similar to a common iron.
The beneficial effects of the above technical scheme are that: through the design of the structure, the first fabric 10 firstly passes through the side with the smaller distance between the two battens 14-1, so that the larger turned edge can be gradually and excessively spread along with the conveying of the fabric, and the first fabric 10 is prevented from being wrinkled or clamped on the flattening device 14.
In one embodiment, the lath 14-1 is an obtuse triangle, the short side adjacent to the obtuse angle is provided with a connecting plate 14-2 fixedly connected with the frame 3, the connecting plate 14-2 is arranged perpendicular to the lath 14-1, and the long side adjacent to the obtuse angle is provided with a 45-degree chamfer 14-3.
The working principle of the technical scheme is as follows: the connecting plate 14-2 is used for fixing the lath 14-1 on the frame 3, so that the lath 14-1 is horizontally arranged and is away from the upper surface of the frame 3 by a certain distance to allow the first fabric 10 to pass through; the chamfer 14-3 provided on the long side adjacent to the obtuse angle first contacts the passing first fabric 10, which can make the batten 14-1 better contact the hem of the passing first fabric 10, and lift and flatten the hem.
The beneficial effects of the above technical scheme are that: through the design of the structure, the effect of the lath 14-1 is exerted to the maximum, the turned edge or the fold of the first fabric 10 passing through the lath 14-1 is flattened, the fabric is prevented from being flattened by pulling manually, and the labor cost is saved.
In one embodiment, the slats 14-1 are provided with heat fins therein.
The working principle of the technical scheme is as follows: the heating sheet provided inside the slat 14-1 is electrically heated to maintain a constant temperature, and the first fabric 10 passing therethrough is flattened and heated.
The beneficial effects of the above technical scheme are that: through the above-mentioned structure, the slat 14-1 with the heating sheet can prevent the first fabric 10 from curling again after passing through the flattening device 14, and can shape the first fabric 10.
In one embodiment, a heating rod is arranged inside the big roller 7-1.
The working principle of the technical scheme is as follows: the heating rod can be electrified to generate heat so as to keep the surface of the large roller 7-1 at a constant temperature.
The beneficial effects of the above technical scheme are that: during working, the hot melt adhesive on the second fabric 11 is not easy to solidify, and the first fabric 10 and the second fabric 11 are favorably bonded together.
In one embodiment, a control device 15 is arranged on the machine frame 3, the control device 15 is electrically connected with the automatic telescopic device 9, a pressure sensor is arranged on the periphery of the large roller 7-1, a speed sensor is arranged on the belt transmission device 7-4, and the pressure sensor and the speed sensor are both in communication connection with the control device 15.
The working principle of the technical scheme is as follows: the control device 15 is used for controlling the automatic telescopic device 9 to drive the big roller 7-1 to move up and down, the pressure sensors are arranged on the peripheral walls at two ends of the big roller 7-1, when the big roller 7-1 works, the pressure sensors cannot be in contact with fabric and only contact with the belt 7-3 and are used for detecting the pressure between the big roller 7-1 and the belt 7-3, the pressure sensors are in communication connection with the control device 15, the pressure sensors can transmit detected pressure values to the control device 15, the speed sensors can detect the speed of the belt in real time and transmit the detected belt to the speed value control device 15.
The beneficial effects of the above technical scheme are that: the pressure sensor can detect the pressure between the big roller 7-1 and the belt 7-3 in real time, and transmits a detected pressure value signal to the control device 15, and the control device 15 controls the automatic telescopic device 9 to move up and down after receiving the signal of the sensor, so as to adjust the pressure between the big roller 7-1 and the belt 7-3.
In one embodiment, the tension of the belt 7-3 is calculated and adjusted by the control means 15, with the following algorithm:
step 1: the pressure F applied by the big roller 7-1 to the belt 7-3 is calculated by using the measured values of a pressure sensor and a speed sensor1：
Wherein T is P/V, T is time, P is the contact length of the large roller 7-1 and the belt 7-3, V is the speed of the belt 7-3, FaIs the instantaneous pressure, V, to which the belt 7-3 is subjectedaIs the instantaneous speed of the belt 7-3;
step 2: calculating the tension F of the belt 7-32：
Wherein mu is the friction coefficient between the big roller 7-1 and the belt 7-3,
and
the belt is a physical coefficient of transmission between the belt 7-3 and the big roller 7-1, alpha is a round wrap angle of the belt 7-3 and the big roller 7-1, e is a mathematical constant, r is a radius of the big roller 7-1, and sigma is a thickness of the belt 7-3;
and step 3: according to the tension F of the belt 7-3 calculated in the step 22With a predetermined minimum tension F of said belt 7-30Making a comparison if F2≥F0The control device 15 does not need to adjust the tension of the belt 7-3, if F2<F0Then the control device 15 controls the automatic telescopic device 9 to move downwards to drive the big roller 7-1 to press the belt 7-3 downwards until F2≥F0The control means 15 stops the further downward movement of the automatic retracting device 9.
The working principle of the technical scheme is as follows: the pressure sensor and the speed sensor respectively transmit the detected pressure value between the big roller 7-1 and the belt speed value to the control device 15, the control device 15 can calculate the pressure of the big roller 7-1 to the belt 7-3 by the formula in the step 1, then based on the configured physical parameters of the belt 7-3 and the big roller 7-1, the tension of the belt 7-3 can be calculated by the step 2, and then the detected tension F is transmitted to the control device 152With a predetermined tension F0And compared with the above, the control device 15 can automatically judge whether the automatic telescopic device 9 needs to be started to adjust the pressure between the large roller 7-1 and the belt 7-3, so that the tension of the belt 7-3 can be automatically adjusted.
The beneficial effects of the above technical scheme are that: the tension of the belt 7-3 can be automatically adjusted through the algorithm, the sensor can transmit required data to the control device 15 in real time, the tension of the belt 7-3 in the working process is calculated through the formulas in the step 1 and the step 2, the tension of the belt 7-3 can be monitored in real time, and the belt 7-3 can be loosened after being used for a period of time, so that untimely manual adjustment of the tension of the belt 7-3 is avoided, the belt 7-3 slips on the conveying roller 4, the composite effect of the composite fabric 12 is influenced, and the phenomenon that the tension of the belt 7-3 is inaccurate through manual adjustment and the waste of too long time is avoided; accurate calculation can be carried out through the control device 15, the automatic telescoping device 9 of efficient drive is adjusted, production efficiency is improved, the waste of surface fabric is reduced to a certain extent, and the rate of finished products is increased.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a big cylinder hot melt adhesive compounding machine which characterized in that includes: the automatic winding device comprises a first unwinding device (1), a second unwinding device (2), a rack (3), a conveying roller (4), a deviation rectifier (5), a gluing device (6), a composite device (7) and a winding device (8), wherein the first unwinding device (1) is arranged on one side of the rack (3), the winding device (8) is arranged on one side of the rack (3) far away from the first unwinding device (1), the second unwinding device (2), the gluing device (6) and the composite device (7) are arranged below the rack (3), the gluing device (6) is arranged on one side of the second unwinding device (2) far away from the first unwinding device (1), the composite device (7) is arranged on one side of the gluing device (6) far away from the second unwinding device (2), and the composite device (7) is provided with an automatic telescopic device (9) capable of controlling the linear reciprocating motion of the upper part of the composite device, the automatic telescopic device (9) is connected below the rack (3);
a conveying roller (4) and a deviation rectifier (5) are arranged on the rack (3), a first fabric (10) on the first unreeling device (1) is unreeled and then conveyed to one side of the compounding device (7) through the conveying roller (4) and the deviation rectifier (5) on the rack (3), a second fabric (11) is unreeled to the gluing device (6) by the second unreeling device (2) and then enters one side of the compounding device (7), the second fabric (11) and the first fabric (10) form a composite fabric (12) after passing through the compounding device (7), and the composite fabric (12) enters the rolling device (8) for rolling;
the composite device (7) comprises a large roller (7-1), a driving device (7-2), a belt (7-3) and a belt transmission device (7-4), one end of a rotating shaft (7-1-1) of the large roller (7-1) is connected with the driving device (7-2), the other end of the rotating shaft is rotatably connected with a connecting piece (7-5), the number of the automatic telescopic devices (9) is two, the lower end of each automatic telescopic device (9) is fixedly connected with the driving device (7-2) or the connecting piece (7-5), the belt transmission device (7-4) is arranged on a bottom plate (13) below the rack (3), the belt (7-3) is sleeved on the belt transmission device (7-4), the belt (7-3) is tightly attached to the large roller (7-1); the driving device (7-2) drives the big roller (7-1) to rotate around a rotating shaft (7-1-1) of the big roller and drives the belt (7-3) tightly attached to the big roller (7-1) to rotate around the belt transmission device (7-4);
a control device (15) is arranged on the rack (3), the control device (15) is electrically connected with the automatic telescopic device (9), a pressure sensor is arranged on the periphery of the large roller (7-1), a speed sensor is arranged on the belt transmission device (7-4), and the pressure sensor and the speed sensor are both in communication connection with the control device (15);
the tension of the belt (7-3) is calculated and adjusted by the control device (15), and the specific algorithm is as follows:
step 1: the pressure F applied by the big roller (7-1) to the belt (7-3) is calculated by using the measured values of a pressure sensor and a speed sensor1：
Wherein T is P/V, T is time, P is the contact length of the large roller (7-1) and the belt (7-3), V is the speed of the belt (7-3), FaIs the instantaneous pressure, V, to which the belt (7-3) is subjectedaIs the instantaneous speed of the belt (7-3);
step 2: calculating the tension F of the belt (7-3)2：
Wherein mu is the friction coefficient between the big roller (7-1) and the belt (7-3),
and
the belt (7-3) and the big roller (7-1) are transmitted physical coefficients, alpha is a round wrap angle of the belt (7-3) and the big roller (7-1), e is a mathematical constant, r is the radius of the big roller (7-1), and sigma is the thickness of the belt (7-3);
and step 3: according to the tension F of the belt (7-3) calculated in the step 22With a predetermined minimum tension F of said belt (7-3)0Making a comparison if F2≥F0The control device (15) does not need to control theThe tension of the belt (7-3) is adjusted if F2<F0The control device (15) controls the automatic telescopic device (9) to move downwards to drive the large roller (7-1) to press the belt (7-3) downwards until F2≥F0And the control device (15) stops the automatic telescopic device (9) from continuously moving downwards.
2. The large-roll hot melt adhesive compounding machine according to claim 1, the belt transmission device (7-4) comprises a first bracket (7-4-1) and a second bracket (7-4-2), the first brackets (7-4-1) are symmetrically arranged at two sides below one end of the big roller (7-1), and the upper end of the first bracket (7-4-1) is obliquely arranged towards one side far away from the large roller (7-1), the lower end of the first bracket (7-4-1) is hinged with the bottom plate (13), the outer side of the first bracket (7-4-1) is connected with one end of an extension spring (7-4-3), the other end of the extension spring (7-4-3) is connected with the bottom plate (13); the belt conveyor is characterized in that the second support (7-4-2) is arranged between the two first supports (7-4-1), the lower end of the second support (7-4-2) is fixedly connected with the bottom plate (13), the height of the first support (7-4-1) is higher than that of the second support (7-4-2), and the conveying rollers (4) used for driving the belt (7-3) are arranged at the upper end of the first support (7-4-1), the middle position of the first support (7-4-1) and the upper end of the second support (7-4-2).
3. The large-roll hot melt adhesive compounding machine according to claim 1, the gluing device (6) comprises a glue spraying device (6-1), a receiving groove (6-2), a first gluing roller (6-3), a pressure roller (6-4) and a second gluing roller (6-5), the glue spraying opening (6-6) of the glue spraying device (6-1) faces the first gluing roller (6-3), the first gluing roller (6-3) is jointed and connected with the pressure roller (6-4) and the central lines of the first gluing roller and the pressure roller are positioned on the same horizontal plane, the second gluing roller (6-5) is jointed and connected below the first gluing roller (6-3), the receiving groove (6-2) is arranged below the second gluing roller (6-5).
4. The large-roller hot melt adhesive compounding machine according to claim 1, further comprising a flattening device (14), wherein the flattening device (14) is disposed on the frame (3), the flattening device (14) is disposed on one side of the deviation rectifier (5) away from the first unwinding device (1), the outer side of the flattening device (14) is fixedly connected to the frame (3), the flattening device (14) comprises two slats (14-1), the two slats (14-1) are arranged in a splayed manner along the conveying direction of the first fabric (10), the slats (14-1) are parallel to the frame (3), and the distance between the two slats (14-1) on one side close to the first unwinding device (1) is smaller than the distance between the other side.
5. A large-roller hot-melt adhesive compounding machine according to claim 4, wherein the lath (14-1) is an obtuse-angled triangle, the short side adjacent to the obtuse angle is provided with a connecting plate (14-2) fixedly connected with the frame (3), the connecting plate (14-2) is arranged perpendicular to the lath (14-1), and the long side adjacent to the obtuse angle is provided with a 45-degree chamfer (14-3).
6. A large-roll hot melt adhesive compounding machine, according to claim 4, characterized in that said strip (14-1) is internally provided with a heating sheet.
7. The large-roller type hot melt adhesive compounding machine according to claim 1, wherein a heating rod is arranged inside the large roller (7-1).
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| CN202010981059.9A CN112109421B (en) | 2020-09-17 | 2020-09-17 | Big roller formula hot melt adhesive compounding machine |
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| CN202010981059.9A CN112109421B (en) | 2020-09-17 | 2020-09-17 | Big roller formula hot melt adhesive compounding machine |
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| CN112109421B true CN112109421B (en) | 2021-05-07 |
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| CN112918069B (en) * | 2021-03-05 | 2022-11-25 | 上海咏姿时装有限公司 | Underwear cloth equipment complex based on hot melt adhesive |
| CN113370631B (en) * | 2021-05-24 | 2022-05-03 | 浙江浦森新材料科技有限公司 | Double-layer mineral wool fiber board composite device |
| CN117655897B (en) * | 2024-02-02 | 2024-04-02 | 沈阳山磊技术研发有限公司 | Chamfering equipment for processing end face of aluminum profile |
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| DE3502608A1 (en) * | 1985-01-26 | 1986-08-14 | Herbert Kannegiesser Gmbh + Co, 4973 Vlotho | METHOD AND DEVICE FOR BONDING TEXTILE AREAS |
| CN201244945Y (en) * | 2008-06-27 | 2009-05-27 | 赵亚军 | Compaction laminating machine for composite panel |
| CN202534720U (en) * | 2012-04-06 | 2012-11-14 | 牡丹江市万通微孔技术开发有限责任公司 | Lithium battery diaphragm flattening device |
| CN209208233U (en) * | 2018-11-16 | 2019-08-06 | 江苏闳业机械股份有限公司 | A kind of large roller formula hot melt adhesive compounding machine |
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Denomination of invention: A large roller type hot melt adhesive compounding machine Effective date of registration: 20220210 Granted publication date: 20210507 Pledgee: Bank of Jiangsu Co.,Ltd. Yancheng branch Pledgor: JIANGSU KUNTAI MACHINERY Co.,Ltd. Registration number: Y2022320000048 |