阅读说明：本技术 一种热熔胶制备方法 (Preparation method of hot melt adhesive ) 是由 崔梦雨 李夜龙 于 2021-01-12 设计创作，主要内容包括：本发明涉及一种热熔胶制备方法,其使用了一种热熔胶制备机械：该机械包括固定底座、U型板、转动辊、传动带和切断装置,所述的固定底座上端的左右两侧对称安装有U型板,U型板的上方转动设置有转动辊,转动辊之间通过传动带连接,传动带的右侧上方设置有切断装置,切断装置安装在固定底座上。本发明可以解决现有的热熔胶制备机械,在制备完成后需要对热熔胶进行定长切断,而传统的切断方法切口位置容易出现偏移,更有可能会出现热熔胶表面产生裂纹甚至断裂的情况,导致切断口表面不平整,且为防止在切断时热熔胶硬度不足,需先冷却定型后进行切断,冷却后热熔胶的直径可能会减小,导致其切断效果变差等问题。(The invention relates to a preparation method of a hot melt adhesive, which uses a hot melt adhesive preparation machine: this machinery includes unable adjustment base, U template, live-rollers, drive belt and cutting device, unable adjustment base upper end left and right sides symmetry install the U template, the top of U template is rotated and is provided with the live-rollers, connects through the drive belt between the live-rollers, the right side top of drive belt is provided with cutting device, cutting device installs on unable adjustment base. The invention can solve the problems that the existing hot melt adhesive preparation machinery needs to cut the hot melt adhesive in a fixed length after the preparation, the traditional cutting method is easy to deviate in the cut position and more likely to cause the situation that cracks or even fractures are generated on the surface of the hot melt adhesive, so that the surface of a cut opening is uneven, the hot melt adhesive needs to be cooled and shaped before being cut in order to prevent the insufficient hardness of the hot melt adhesive during the cutting, the diameter of the hot melt adhesive is possibly reduced after the cooling, the cutting effect is poor, and the like.)

1. A preparation method of a hot melt adhesive uses a hot melt adhesive preparation machine: this machinery includes unable adjustment base (1), U template (2), live-rollers (3), drive belt (4) and cutting device (5), its characterized in that: the cutting device is characterized in that U-shaped plates (2) are symmetrically arranged on the left side and the right side of the upper end of the fixed base (1), rotating rollers (3) are rotatably arranged above the U-shaped plates (2), the rotating rollers (3) are connected through a transmission belt (4), a cutting device (5) is arranged above the right side of the transmission belt (4), and the cutting device (5) is arranged on the fixed base (1);

the fixing base (1) comprises a fixing bottom plate (11), fixing rods (12), an extruding machine (13), a cooling mechanism (14) and an intermittent driving mechanism (15), wherein the two fixing rods (12) are fixed on the left rear side of the upper end face of the fixing bottom plate (11), the extruding machine (13) is installed at the upper ends of the fixing rods (12), the cooling mechanism (14) is arranged in the middle of the upper end of the fixing bottom plate (11), the intermittent driving mechanism (15) is installed on the right rear side of the upper end face of the fixing bottom plate (11), and the intermittent driving mechanism (15) is connected with a rotating roller (3) on the right side;

the U-shaped plate (2) comprises U-shaped support plates (21), slide rails (22) and a collection cabinet (23), the U-shaped support plates (21) are symmetrically fixed on the left side and the right side of the upper end face of the fixed bottom plate (11), the slide rails (22) are installed at the lower ends of the U-shaped support plates (21) on the right side, the collection cabinet (23) is arranged on the slide rails (22) in a sliding mode, and the collection cabinet (23) is located below the right side of the transmission belt (4);

the transmission belt (4) comprises a transmission belt (41) and a placing mechanism (42), the transmission belt (41) is connected between the rotating rollers (3), and the placing mechanism (42) is uniformly arranged on the transmission belt (41);

the cutting device (5) comprises a fixed frame (51), a fixed plate (52), a movable frame (53), a pressing mechanism (54), a cutting mechanism (55), a sliding rod (56), a connecting spring (57) and an air cylinder (58), wherein the fixed frame (51) is installed on the right side of the upper end of a fixed base plate (11), the fixed plate (52) is connected to the middle of the fixed frame (51), the fixed plate (52) is tightly attached to the lower side of the upper end of a transmission belt (4), the movable frame (53) is arranged above the fixed frame (51), the pressing mechanism (54) is uniformly installed at the lower end of the movable frame (53), the cutting mechanism (55) is arranged at the upper end of the movable frame (53), the sliding rods (56) are symmetrically fixed on the left side and the right side of the upper end face of the movable frame (53), the sliding rods (56) are arranged on the fixed frame (51, the middle part of the upper end of the fixed frame (51) is provided with an air cylinder (58) through an air cylinder base, and the ejection end of the air cylinder (58) is connected with the cutting mechanism (55);

the pressing mechanism (54) comprises a push rod (541), a first pressing plate (542), an installation spring (543), a rotating rod (544), a limiting plate (545) and a second pressing plate (546), the push rod (541) is uniformly arranged below the moving frame (53), the first pressing plate (542) is fixed at the lower end of the push rod (541), the upper end of the push rod (541) is connected with the moving frame (53) through the installation spring (543), the rotating rod (544) is symmetrically installed at the left end and the right end of the push rod (541) through a first pin shaft, one side, away from the push rod (541), of the upper end of the rotating rod (544) is installed on the limiting plate (545) through a second pin shaft, the limiting plate (545) is installed on the moving frame (53), and the second pressing plate (546) is arranged at the lower end of the rotating rod (544);

the cutting mechanism (55) comprises a square plate (551), a cutter (552), a through groove (553), a limiting spring (554), a baffle (555) and an electric push rod (556), wherein the square plate (551) is arranged at the ejection end of the air cylinder (58), the cutter (552) is uniformly arranged at the lower end of the square plate (551), the through groove (553) is arranged below the cutter (552), and is opened at the upper end of the moving frame (53) through a groove (553), the left and the right sides of the lower end of the square plate (551) are connected with the moving frame (53) through limit springs (554) which are symmetrically arranged, the left and the right sides of the upper end of the moving frame (53) are provided with baffle plates (555) in a sliding way, the baffle (555) is positioned between the moving frame (53) and the square plate (551), one end of the baffle (555), which is far away from the square plate (551), is connected with the movable end of the electric push rod (556), and the electric push rod (556) is installed on the moving frame (53) through the electric push rod base;

when the machine is adopted for preparing the hot melt adhesive, the method also comprises the following steps:

s1, extrusion molding: intermittently extruding the hot melt adhesive through an extruder (13) to enable the hot melt adhesive to fall onto a placing mechanism (42);

s2, cooling: the rotating roller (3) on the right side is driven to rotate intermittently by the intermittent driving mechanism (15), so that the hot melt adhesive is driven by the transmission belt (41) to be cooled by the cooling mechanism (14) and then is conveyed to the lower part of the cutting device (5);

s3, pressing and cutting: the square plate (551) is pushed to move downwards by the air cylinder (58), so that the pressing mechanism (54) appropriately presses the hot melt adhesive firstly, and the hot melt adhesive is cut off by the cutting mechanism (55);

s4, collecting and packaging: the cut hot melt adhesive is brought to the rightmost side by the transmission belt (41) and falls into the collection cabinet (23), the collection cabinet (23) is drawn out, and the hot melt adhesive in the collection cabinet (23) is dried and then collected and packaged.

2. The preparation method of the hot melt adhesive according to claim 1, wherein the preparation method comprises the following steps: cooling mechanism (14) include mounting bracket (141), hole for water spraying (142), intercommunication chamber (143), connecting pipe (144) and water pump (145), the upper end middle part of PMKD (11) is fixed with mounting bracket (141), hole for water spraying (142) have evenly been seted up to the upper end downside of mounting bracket (141), the upper end and the intercommunication chamber (143) intercommunication of hole for water spraying (142), connecting pipe (144) and water pump (145) intercommunication that the symmetry set up are passed through to both ends around intercommunication chamber (143), water pump (145) pass through the upper end middle part of water pump pedestal mounting at mounting bracket (141).

3. The preparation method of the hot melt adhesive according to claim 1, wherein the preparation method comprises the following steps: intermittent type drive mechanism (15) include gear (151), incomplete gear (152) and drive motor (153), the rear end of live-rollers (3) on right side even has gear (151), the downside meshing of gear (151) has incomplete gear (152), the middle part of incomplete gear (152) and the output shaft who drives motor (153), drive motor (153) through motor base mounting on PMKD (11).

4. The preparation method of the hot melt adhesive according to claim 1, wherein the preparation method comprises the following steps: the placing mechanism (42) comprises a rectangular plate (421), a placing ring (422) and a passing groove (423), the rectangular plate (421) is uniformly installed on the upper end face of the transmission belt (41), the placing ring (422) is arranged at the upper end of the rectangular plate (421), and the passing groove (423) is uniformly formed in the placing ring (422).

5. The preparation method of the hot melt adhesive according to claim 1, wherein the preparation method comprises the following steps: an air cushion is arranged at the lower side in the collecting cabinet (23).

6. The preparation method of the hot melt adhesive according to claim 1, wherein the preparation method comprises the following steps: the first pressure strip (542) and the second pressure strip (546) are arc-shaped, and a flexible buffer layer is arranged on the lower end face.

7. The preparation method of the hot melt adhesive according to claim 4, wherein the preparation method comprises the following steps: the lengths of the front end and the rear end of the first pressing plate (542) and the second pressing plate (546) are smaller than the distance between the through grooves (423).

Technical Field

The invention relates to the technical field of colloid preparation, in particular to a preparation method of a hot melt adhesive.

Background

The hot melt adhesive is a plastic adhesive, the physical state of the hot melt adhesive changes along with the temperature change within a certain temperature range, the chemical property of the hot melt adhesive is unchanged, the hot melt adhesive is non-toxic and odorless, and belongs to an environment-friendly chemical product.

At present, when the hot melt adhesive is prepared, the following defects generally exist: 1. the existing hot melt adhesive preparation machinery needs to cut the hot melt adhesive in a fixed length after the preparation is finished, but the cut position of the traditional cutting method is easy to deviate, and the condition that cracks or even fracture are generated on the surface of the hot melt adhesive is more likely to occur, so that the surface of the cut part is uneven, and the quality of the cut part is influenced; 2. the existing hot melt adhesive preparation machinery generally carries out fixed-length cutting after cooling and shaping the hot melt adhesive, so that the problem that the hardness of the hot melt adhesive is insufficient when the hot melt adhesive is cut off is avoided, and after the hot melt adhesive is cooled and shaped, the diameter of the hot melt adhesive can be reduced, so that the clamping effect of the hot melt adhesive is poor, and the cutting effect is influenced.

Disclosure of Invention

Technical problem to be solved

The invention can solve the problems that the existing hot melt adhesive preparation machinery needs to cut the hot melt adhesive in a fixed length after the preparation is finished, the traditional cutting method is easy to deviate in the cut position and is more likely to cause the situation that cracks or even fractures occur on the surface of the hot melt adhesive, so that the surface of the cut part is uneven and the quality of the cut part is influenced, and the existing hot melt adhesive preparation machinery is usually cut in a fixed length after cooling and shaping the hot melt adhesive, so that the problems that the hardness of the hot melt adhesive is insufficient during the cutting, and the diameter of the hot melt adhesive is possibly reduced after the cooling and shaping, so that the clamping effect of the hot melt adhesive is poor and the cutting effect.

(II) technical scheme

In order to achieve the above purpose, the invention adopts the following technical scheme, a hot melt adhesive preparation method, which uses a hot melt adhesive preparation machine: this machinery includes unable adjustment base, U template, live-rollers, drive belt and cutting device, unable adjustment base upper end left and right sides symmetry install the U template, the top of U template is rotated and is provided with the live-rollers, connects through the drive belt between the live-rollers, the right side top of drive belt is provided with cutting device, cutting device installs on unable adjustment base.

Unable adjustment base include PMKD, the dead lever, the extruding machine, cooling mechanism and intermittent type drive mechanism, the left rear side of PMKD up end is fixed with two dead levers, the extruding machine is installed to the upper end of dead lever, PMKD's upper end middle part is provided with cooling mechanism, intermittent type drive mechanism is installed to the right back side of PMKD up end, intermittent type drive mechanism is connected with the live-rollers on right side, concrete during operation, send out the hot melt adhesive through extruding machine intermittent type formula, and make it fall into on the placement machine constructs, under the drive of intermittent type drive mechanism, make the live-rollers intermittent type formula on right side rotate, and then drive the motion of drive belt intermittent type formula, make the hot melt adhesive on the placement machine construct after the cooling of mechanism, transport cutting device below and carry out the fixed length and.

The U template include U type extension board, slide rail and collection cabinet, the left and right sides symmetry of PMKD up end is fixed with U type extension board, the slide rail is installed to the lower extreme of the U type extension board on right side, it is provided with the collection cabinet to slide on the slide rail, it is located the below on drive belt right side to collect the cabinet, in concrete during operation, the hot melt adhesive of cutting off the completion is under the drive of drive belt, continue to move right, when moving the drive belt rightmost side, fall down from placing the mechanism, and fall into and collect the cabinet, collect through collecting the cabinet, and regularly will collect the cabinet along the slide rail and take out, will collect the hot melt adhesive in the cabinet and carry out the drying back and collect the packing.

The drive belt include driving belt and placement machine structure, even have driving belt between the live-rollers, evenly install placement machine structure on the driving belt, concrete during operation posts out the hot melt adhesive through extruding machine intermittent type formula to make it fall into placement machine structure, placement machine structure this moment plays the effect of bearing and transportation.

The cutting device comprises a fixed frame, a fixed plate, a movable frame, a pressing mechanism, a cutting mechanism, a sliding rod, a connecting spring and an air cylinder, wherein the fixed frame is installed on the right side of the upper end of a fixed bottom plate, the fixed plate is connected to the middle part of the fixed frame, the fixed plate is tightly attached to the lower side of the upper end of a transmission belt, the movable frame is arranged above the fixed frame, the pressing mechanism is uniformly installed at the lower end of the movable frame, the cutting mechanism is arranged at the upper end of the movable frame, the sliding rods are symmetrically fixed on the left side and the right side of the upper end face of the movable frame, the sliding rods are arranged on the fixed frame in a sliding manner and are connected with the fixed frame through the connecting spring, the air cylinder is installed at the middle part of the upper end of the fixed frame through an air cylinder base, the ejection end of the, the synchronous drive slide bar slides down to compress connecting spring removes the frame and drives hold-down mechanism earlier and carry out the contact with the hot melt adhesive and compress tightly it, and rethread cylinder continues to promote shutdown mechanism downstream, and then carries out the fixed length to the hot melt adhesive and cuts off, makes the hot melt adhesive compress tightly and cut off the time through the fixed plate, for the hot melt adhesive with the holding power.

The pressing mechanism comprises a push rod, a first pressing plate, an installation spring, a rotating rod, a limiting plate and a second pressing plate, the push rod is uniformly arranged below the inside of the movable frame, the first pressing plate is fixed at the lower end of the push rod, the upper end of the push rod is connected with the movable frame through the installation spring, the rotating rod is symmetrically installed at the left end and the right end of the push rod through a first pin shaft, one side of the upper end of the rotating rod, which is far away from the push rod, is installed on the limiting plate through a second pin shaft, the limiting plate is installed on the movable frame, the second pressing plate is arranged at the lower end of the rotating rod, when the hot melt adhesive hot, thereby make No. two pressure strips tightly paste on the both sides wall of hot melt adhesive upper end, through this kind of mode of compressing tightly, can prevent that the hot melt adhesive can not carry out the condition that the moderate degree compressed tightly after the cooling, if adopt the mode of compressing tightly of complete complex with placing the mechanism, adopt promptly and place the structure that the ring is the same and compress tightly, then it is not good to compressing tightly the effect of hot melt adhesive upper end both sides, laminating that can not be fine.

The cutting mechanism comprises a square plate, a cutter, a through groove, a limiting spring, a baffle and an electric push rod, wherein the square plate is arranged at the ejection end of the air cylinder, the cutter is uniformly arranged at the lower end of the square plate, the through groove is arranged below the cutter and is arranged at the upper end of the movable frame through the groove, the left side and the right side of the lower end of the square plate are connected with the movable frame through the limiting spring which are symmetrically arranged, the baffle is arranged at the left side and the right side of the upper end of the movable frame in a sliding manner, the baffle is positioned between the movable frame and the square plate, one end of the baffle, which is far away from the square plate, is connected with the movable end of the electric push rod, the electric push rod is arranged on the movable frame through an electric push rod base, when the cutting mechanism works, the square plate is pushed to move downwards through the air cylinder, the movable frame is synchronously pushed to move downwards under, remove the slight rebound of frame, continue to drive the square plate downstream through the cylinder, and then make the square plate extrude spacing spring, make the cutter pass simultaneously and carry out fixed length cutting to the hot melt adhesive through the groove.

When the machine is adopted for preparing the hot melt adhesive, the method also comprises the following steps:

s1, extrusion molding: intermittently extruding the hot melt adhesive by an extruding machine to enable the hot melt adhesive to fall onto a placing mechanism;

s2, cooling: the rotating roller on the right side is driven to rotate intermittently by the intermittent driving mechanism, so that the transmission belt drives the hot melt adhesive to be conveyed to the lower part of the cutting device after being cooled by the cooling mechanism;

s3, pressing and cutting: the square plate is pushed to move downwards by the air cylinder, so that the hot melt adhesive is properly pressed by the pressing mechanism and is cut off by the cutting mechanism;

s4, collecting and packaging: the hot melt adhesive after cutting off is taken to the rightmost side by the transmission belt and falls into and collects the cabinet, takes out and collects the cabinet, collects the hot melt adhesive in the cabinet again and collects the packing after drying.

Preferably, cooling mechanism include mounting bracket, hole for water spraying, intercommunication chamber, connecting pipe and water pump, PMKD's upper end middle part is fixed with the mounting bracket, the hole for water spraying has evenly been seted up to the upper end downside of mounting bracket, the upper end and the intercommunication chamber intercommunication of hole for water spraying, the connecting pipe and the water pump intercommunication that the symmetry set up are passed through at both ends around the intercommunication chamber, the water pump passes through the water pump pedestal mounting at the upper end middle part of mounting bracket.

Preferably, the intermittent drive mechanism include gear, incomplete gear and drive motor, the rear end of live-rollers on right side even has the gear, the downside meshing of gear has incomplete gear, the middle part of incomplete gear and the output shaft who drives the motor, drive the motor and pass through motor base and install on PMKD.

Preferably, the placing mechanism comprises a rectangular plate, a placing ring and a through groove, the rectangular plate is evenly arranged on the upper end face of the transmission belt, the placing ring is arranged at the upper end of the rectangular plate, and the through groove is evenly formed in the placing ring.

Preferably, the lower side in the collection cabinet be provided with the air cushion, prevent that the hot melt adhesive from damaging.

Preferably, the first pressure strip and the second pressure strip are arc-shaped, and a flexible buffer layer is arranged on the lower end face.

Preferably, the length of both ends is less than the interval through between the groove around a pressure strip and No. two pressure strips to the cutter can fall and cut off the hot melt adhesive.

(III) advantageous effects

1. According to the preparation method of the hot melt adhesive, a machine which firstly sprays water to cool the hot melt adhesive and then cuts the hot melt adhesive is designed, so that the flatness and smoothness of the cut part of the hot melt adhesive are ensured during cutting, the quality of the hot melt adhesive is improved, the situation that the hot melt adhesive is cracked or even broken during cutting is avoided, the hot melt adhesive can be appropriately compressed and clamped before cutting, and the stability of the hot melt adhesive during cutting is kept as much as possible;

2. according to the preparation method of the hot melt adhesive, through the cooperation of the pressing mechanism and the cutting mechanism, most of the area of the hot melt adhesive except the cutting opening is pressed and clamped before cutting, and then the hot melt adhesive is cut at a fixed length, so that the quality and the smoothness of each section of the hot melt adhesive are kept high;

3. according to the preparation method of the hot melt adhesive, the cooled hot melt adhesive is appropriately compressed and clamped through the compressing mechanism, the phenomenon that the shape of the hot melt adhesive is changed due to extrusion due to excessive compression is avoided, meanwhile, two sides of the hot melt adhesive which are possibly reduced are slightly compressed and clamped, and the internal stress of the hot melt adhesive is uniform.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the operation of the present invention;

FIG. 2 is a schematic view of a first perspective structure of the present invention;

FIG. 3 is a second perspective view of the present invention;

FIG. 4 is a schematic perspective view of a portion of the moving frame and cutting mechanism of the present invention;

FIG. 5 is a right side view of the present invention;

FIG. 6 is a cross-sectional view of the present invention;

FIG. 7 is an enlarged view of a portion of the invention at X of FIG. 2;

FIG. 8 is an enlarged view of a portion of the invention at Y of FIG. 6;

fig. 9 is an enlarged view of the invention at Z of fig. 6.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 9, a hot melt adhesive preparation method uses a hot melt adhesive preparation machine: this machinery includes unable adjustment base 1, U template 2, live-rollers 3, drive belt 4 and cutting device 5, the left and right sides symmetry of unable adjustment base 1 upper end install U template 2, the top of U template 2 is rotated and is provided with live-rollers 3, connects through drive belt 4 between the live-rollers 3, the right side top of drive belt 4 is provided with cutting device 5, cutting device 5 installs on unable adjustment base 1.

Unable adjustment base 1 include PMKD 11, dead lever 12, extruding machine 13, cooling mechanism 14 and intermittent type drive mechanism 15, the left rear side of PMKD 11 up end is fixed with two dead levers 12, extruding machine 13 is installed to the upper end of dead lever 12, PMKD 11's upper end middle part is provided with cooling mechanism 14, intermittent type drive mechanism 15 is installed to the right rear side of PMKD 11 up end, intermittent type drive mechanism 15 is connected with live-rollers 3 on right side, during specific work, send out the hot melt adhesive through extruding machine 13 intermittent type formula, and make it fall into on placement mechanism 42, under intermittent type drive mechanism's 15 drive, make live-rollers 3 intermittent type on right side rotate, and then drive the motion of 4 intermittent type formulas of drive belt, make the hot melt adhesive on placement mechanism 42 after 14 cooling down via cooling mechanism, transport the fixed length and cut off below cutting device 5.

Cooling mechanism 14 include mounting bracket 141, hole for water spraying 142, intercommunication chamber 143, connecting pipe 144 and water pump 145, PMKD 11's upper end middle part is fixed with mounting bracket 141, hole for water spraying 142 has evenly been seted up to mounting bracket 141's upper end downside, hole for water spraying 142's upper end and intercommunication chamber 143 intercommunication, the connecting pipe 144 and the water pump 145 intercommunication that the symmetry set up are passed through to both ends around the intercommunication chamber 143, water pump 145 passes through the water pump pedestal mounting at mounting bracket 141's upper end middle part, during specific work, pour into highly compressed water into connecting pipe 144 through water pump 145, water passes through intercommunication chamber 143 and through spouting by hole for water spraying 142, cool down the hot melt adhesive.

Intermittent type drive mechanism 15 include gear 151, incomplete gear 152 and drive motor 153, the rear end of live-rollers 3 on right side even has gear 151, gear 151's downside meshing has incomplete gear 152, the middle part of incomplete gear 152 is connected with the output shaft who drives motor 153, drive motor 153 passes through motor pedestal and installs on PMKD 11, during concrete work, it is rotatory to drive incomplete gear 152 through driving motor 153, when incomplete gear 152 meshes with gear 151, drive gear 151 rotates, and then make drive belt 4 move, when incomplete gear 152 is not with gear mesh 151, 4 stop motion of drive belt, and carry out the processing of cutting off at this moment.

The U-shaped plate 2 comprises a U-shaped support plate 21, a slide rail 22 and a collection cabinet 23, the U-shaped support plate 21 is symmetrically fixed on the left side and the right side of the upper end surface of the fixed bottom plate 11, the slide rail 22 is installed at the lower end of the U-shaped support plate 21 on the right side, the collection cabinet 23 is arranged on the slide rail 22 in a sliding mode, and the collection cabinet 23 is located below the right side of the transmission belt 4; collect the downside in the cabinet 23 and be provided with the air cushion, prevent that the hot melt adhesive from damaging, concrete during operation, the hot melt adhesive that cuts off the completion continues to move right under the drive of drive belt 4, when moving to drive belt 4 rightmost side, falls down from placing mechanism 42 to fall into and collect cabinet 23, collect through collecting cabinet 23, and will collect cabinet 23 along slide rail 22 regularly and take out, will collect the hot melt adhesive in cabinet 23 and carry out the drying back and collect the packing again.

The transmission belt 4 include driving belt 41 and placement mechanism 42, even have driving belt 41 between the live-rollers 3, evenly install placement mechanism 42 on driving belt 41, during concrete work, send out the hot melt adhesive through extruding machine 13 intermittent type formula to make it fall into placement mechanism 42, placement mechanism 42 at this moment plays the effect of bearing and transportation.

Placing mechanism 42 include rectangular plate 421, place ring 422 and pass through groove 423, evenly install rectangular plate 421 on drive belt 41's the up end, the upper end of rectangular plate 421 is provided with places ring 422, place and evenly seted up on the ring 422 and pass through groove 423, during concrete work, send out the hot melt adhesive through extruding machine 13 intermittent type formula, and make it fall into and place on ring 422, the effect through groove 423 is in order to increase the distance that cutter 552 descends, in order to ensure to cut off the hot melt adhesive completely.

The cutting device 5 comprises a fixed frame 51, a fixed plate 52, a movable frame 53, a pressing mechanism 54, a cutting mechanism 55, a sliding rod 56, a connecting spring 57 and an air cylinder 58, wherein the fixed frame 51 is installed on the right side of the upper end of the fixed bottom plate 11, the fixed plate 52 is connected to the middle part of the fixed frame 51, the fixed plate 52 is tightly attached to the lower side of the upper end of the transmission belt 4, the movable frame 53 is arranged above the fixed frame 51, the pressing mechanism 54 is uniformly installed at the lower end of the movable frame 53, the cutting mechanism 55 is arranged at the upper end of the movable frame 53, the sliding rods 56 are symmetrically fixed on the left side and the right side of the upper end surface of the movable frame 53, the sliding rods 56 are arranged on the fixed frame 51 in a sliding manner, the sliding rods 56 are connected with the fixed frame 51 through the connecting spring 57, the air cylinder 58 is installed in the middle part of, the cutting mechanism 55 is pushed by the air cylinder 58 to move downwards, so that the moving frame 53 and the pressing mechanism 54 move downwards, the sliding rod 56 is synchronously driven to slide downwards, the connecting spring 57 is compressed, the moving frame 53 drives the pressing mechanism 54 to contact with the hot melt adhesive firstly to press the hot melt adhesive, then the cutting mechanism 55 is continuously pushed by the air cylinder 58 to move downwards, the hot melt adhesive is cut at a fixed length, and the hot melt adhesive is supported by the supporting force when being pressed and cut by the fixing plate 52.

The pressing mechanism 54 comprises a push rod 541, a first pressing plate 542, an installation spring 543, a rotating rod 544, a limiting plate 545 and a second pressing plate 546, the push rod 541 is uniformly arranged below the moving frame 53, the first pressing plate 542 is fixed at the lower end of the push rod 541, the upper end of the push rod 541 is connected with the moving frame 53 through the installation spring 543, the rotating rods 544 are symmetrically installed at the left end and the right end of the push rod 541 through a first pin shaft, one side, away from the push rod 541, of the upper end of the rotating rod 544 is installed on the limiting plate 545 through a second pin shaft, the limiting plate 545 is installed on the moving frame 53, and the second pressing plate 546 is arranged at the lower end of the rotating rod 544; the first pressing plate 542 and the second pressing plate 546 are arc-shaped, and a flexible buffer layer is arranged on the lower end face of the first pressing plate and the second pressing plate; the lengths of the front end and the rear end of the first pressing plate 542 and the second pressing plate 546 are smaller than the distance between the grooves 423, so that the cutter can fall down to cut off the hot melt adhesive, during specific work, the cylinder 58 pushes the cutting mechanism 55 to move downwards, the first pressing plate 542 is firstly contacted with the outer wall of the top of the upper end of the hot melt adhesive, the first pressing plate 542 and the push rod 541 are pushed to move upwards and extrude the mounting spring 543, the mounting spring 543 is used for mounting and resetting, the push rod 541 moves upwards and drives the rotating rod 544 to rotate, so that the second pressing plate 546 is tightly attached to two side walls of the upper end of the hot melt adhesive, and by adopting the pressing mode, the situation that the hot melt adhesive cannot be appropriately pressed after being cooled can be prevented, if a pressing mode completely matched with the placing mechanism 42 is adopted, namely, the pressing is carried out by adopting a structure identical to that the placing ring 422, the pressing effect on the two sides of the upper end of the hot melt adhesive is poor, and the hot melt adhesive cannot be well attached.

The cutting mechanism 55 comprises a square plate 551, cutters 552, a through groove 553, a limit spring 554, a baffle 555 and an electric push rod 556, wherein the square plate 551 is installed on the ejection end of the air cylinder 58, the cutters 552 are evenly arranged at the lower end of the square plate 551, the through groove 553 is arranged below the cutters 552 and is arranged at the upper end of the movable frame 53 through the groove 553, the left side and the right side of the lower end of the square plate 551 are connected with the movable frame 53 through the symmetrically arranged limit springs 554, the baffle 555 is arranged on the left side and the right side of the upper end of the movable frame 53 in a sliding manner, the baffle 555 is positioned between the movable frame 53 and the square plate 551, one end of the baffle 555, which is far away from the square plate 551, is connected with the movable end of the electric push rod 556, the electric push rod 556 is installed on the movable frame 53 through the electric push rod base, when the work is specific, the square plate 551 is pushed to move downwards through the air cylinder, the baffle 555 is driven to be drawn out through the electric push rod 556, meanwhile, under the supporting force of the limiting spring 554, the moving frame 53 slightly moves upwards, the air cylinder 58 is continuously driven to drive the square plate 551 to move downwards, the square plate 551 extrudes the limiting spring 554, and meanwhile, the cutter 552 penetrates through the groove 553 to cut the hot melt adhesive at a fixed length.

When the machine is adopted for preparing the hot melt adhesive, the method also comprises the following steps:

s1, extrusion molding: the hot melt adhesive is intermittently extruded by the extruder 13 and falls onto the placing mechanism 42;

s2, cooling: the rotating roller 3 on the right side is driven to rotate intermittently by the intermittent driving mechanism 15, so that the transmission belt 41 drives the hot melt adhesive to be conveyed to the lower part of the cutting device 5 after being cooled by the cooling mechanism 14;

s3, pressing and cutting: the square plate 551 is pushed by the air cylinder 58 to move downwards, so that the pressing mechanism 54 appropriately presses the hot melt adhesive and cuts the hot melt adhesive by the cutting mechanism 55;

s4, collecting and packaging: the cut hot melt adhesive is brought to the rightmost side by the transmission belt 41 and falls into the collection cabinet 23, the collection cabinet 23 is drawn out, and the hot melt adhesive in the collection cabinet 23 is dried and then collected and packaged.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.