A high-toughness sealing strip and its production process and molding equipment

Abstract

The invention discloses a high-toughness sealing strip, a production process and a molding device thereof, which belongs to the technical field of sealing strip production, and includes the following raw materials in parts by weight: 55-85 parts of chlorobutyl rubber, 0.1-1 parts of zinc borate, 1-5 parts of sodium carbonate, 55-65 parts of locust bean gum, 7-13 parts of modified graphene oxide, and 3-6 parts of additives; the modified graphene oxide includes the following raw materials in parts by weight: 102-135 parts of nano graphene oxide, 11-13 parts of furfuryl alcohol, 7-11 parts of barium sulfate, and 5-8 parts of salicylic acid. In the above manner, the sealing strip of the present invention is added with locust bean gum and modified graphene oxide during the preparation process, which is beneficial to improve the toughness and strength of the sealing strip and improve the service life. And the present invention can realize the automatic material separation process of the intermediate material and the sealing strip after cutting, and at the same time, the mold core can be replaced and the length of the sealing strip can be adjusted according to the needs of use, and the adaptability is high.

Description

Technical Field

[0001] The invention relates to the technical field of sealing strip production, and in particular to a high-toughness sealing strip, a production process thereof and a molding device thereof. Background Art

[0002] During the use of sealing strips, long-term exposure to ultraviolet rays and rain immersion will cause the toughness to deteriorate, forming cracks on the surface of the sealing strips, affecting their service life.

[0003] In the preparation process of the sealing strips, the sealing strips need to be cut symmetrically and then spliced. How to realize the automatic separation process of the intermediate material and the sealing strips after cutting is a technical problem that needs to be solved.

[0004] Based on this, the present invention designs a high-toughness sealing strip and its production process and molding equipment to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a high-toughness sealing strip, a production process and a molding device thereof.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A high-toughness sealing strip comprises the following raw materials in parts by weight: 55-85 parts of chlorobutyl rubber, 0.1-1 parts of zinc borate, 1-5 parts of sodium carbonate, 55-65 parts of locust bean gum, 7-13 parts of modified graphene oxide, and 3-6 parts of additives;

[0008] The modified graphene oxide comprises the following raw materials in parts by weight: 102-135 parts of nano graphene oxide, 11-13 parts of furfuryl alcohol, 7-11 parts of barium sulfate and 5-8 parts of salicylic acid.

[0009] Furthermore, the following steps are included:

[0010] 1) Preparation of modified graphene oxide:

[0011] Weigh 102-135 parts of nano-graphene oxide, 11-13 parts of furfuryl alcohol, 7-11 parts of barium sulfate, and 5-8 parts of salicylic acid;

[0012] Mix nano-graphene oxide, furfuryl alcohol and barium sulfate and place them in an ultrasonic environment for 15 to 30 minutes;

[0013] Add salicylic acid and stir at room temperature for 45-65 minutes;

[0014] Continue to shake the mixture under ultrasonic environment for 20-30 minutes;

[0015] 2) Preparation of high-toughness sealing strip materials:

[0016] Weigh 55-85 parts of chlorobutyl rubber, 0.1-1 parts of zinc borate, 1-5 parts of sodium carbonate, 55-65 parts of locust bean gum, 7-13 parts of modified graphene oxide, and 3-6 parts of additives;

[0017] Mix chlorobutyl rubber, zinc borate, sodium carbonate and additives, dehydrate under vacuum, and cool to 60-70°C;

[0018] Adding locust bean gum and modified graphene oxide, reacting at 92-95° C. for 1-2 hours to obtain a mixed rubber material;

[0019] 3) Preparation of high-toughness sealing strips;

[0020] The mixed rubber material is kneaded in a kneader, extruded in an extruder, and poured into a mold for molding;

[0021] Finally, the finished product is cut and divided by a molding device for producing high-toughness sealing strips to obtain high-toughness sealing strips.

[0022] Furthermore, the kneading temperature is 95-98°C and the extrusion temperature is 88-92°C.

[0023] A molding device for producing high-toughness sealing strips, comprising a base;

[0024] A symmetrical beveling assembly for symmetrically beveling the finished product after forming is installed at the upper end of the base;

[0025] An intermediate material discharging assembly for discharging the intermediate material is installed at the upper end of the base;

[0026] A finished product distributing component for discharging the sealing strip is installed at the upper end of the base;

[0027] A positioning assembly for adjusting the length of the sealing strip is installed at the upper end of the base;

[0028] A side limit assembly is installed at the upper end of the base for blocking and limiting the position of the finished product distributing assembly when it is extended;

[0029] A discharge hole for discharging the sealing strip on the left side of the positioning component is provided on the base; when the side limit component is retracted to a set position, the sealing strip falls through the discharge hole.

[0030] Furthermore, the symmetrical beveling assembly includes a die base, an inclined hole, a third cylinder, a die core, a straight fixed plate B, a bevel cutter, a fixed frame, a support seat, a horizontal axis and a rotating baffle; the die base is fixedly installed on the base, and inclined holes are symmetrically opened at corresponding positions of the die base and the die core. A die core is installed in the die base, one end of the die core is fixedly connected to the fixed frame, the fixed frame is located on the left side of the die base, a support seat is fixedly connected to the top of the die base, a horizontal axis is rotatably connected to the support seat, the horizontal axis is fixedly connected to one end of the rotating baffle, the finished product passes through the die core and the fixed frame, the third cylinder is fixedly installed on the base and a straight fixed plate B is fixedly connected to the output end of the third cylinder, two sets of bevel cutters that are plugged in with the inclined holes are fixedly connected to the end of the straight fixed plate B close to the die base, and the rotating baffle is prevented from moving to the left by gravity.

[0031] Furthermore, the intermediate material discharging assembly includes a second cylinder, a second bottom plate, a second straight plate and a hinge; the second cylinder is fixedly installed on the base, the output end of the second cylinder is fixedly connected to the second straight plate, the lower end of the second straight plate is hinged to the second bottom plate by a hinge, and when the second straight plate extends forward to the front edge of the base, the second bottom plate flips along the second straight plate to discharge the intermediate material; the second bottom plate is slidably connected to the base.

[0032] Furthermore, the finished product dispensing assembly includes a first cylinder, a first straight plate and a first bottom plate; the first cylinder is fixedly mounted on the base, the driving end of the first cylinder is fixedly connected to the first straight plate, and the bottom front end of the first straight plate is fixedly connected to the first bottom plate; when the first cylinder is in an extended state, the first bottom plate is located above the discharge hole and blocks the discharge hole.

[0033] Furthermore, the positioning assembly includes a baffle, a pressure sensor, a linear module slide and a connecting plate; the linear module slide is fixedly installed on the base, the driving end of the linear module slide is fixedly connected to the connecting plate, the end of the connecting plate close to the mold base is fixedly connected to the pressure sensor, and the baffle is fixedly installed on the detection end of the pressure sensor.

[0034] Furthermore, the side limit assembly includes a support frame, a side limit plate and a straight fixed plate A; the support frame is fixedly installed on the base, and a plurality of groups of straight fixed plates A are fixedly connected to the inner top of the support frame, and the straight fixed plates A are respectively fixedly connected to the side limit plates, and the bottoms of the side limit plates are all slidably connected to the top of the first base plate. Beneficial Effects

[0035] During the preparation process of the sealing strip of the present invention, locust bean gum and modified graphene oxide are added, which is beneficial to improving the toughness and strength of the sealing strip and prolonging the service life.

[0036] The present invention can realize the automatic material separation process of the intermediate material and the sealing strip after cutting, and at the same time, the mold core can be replaced and the length of the sealing strip can be adjusted according to the use needs, and the adaptability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0038] Figure 1 A three-dimensional diagram of a molding device for producing a high-toughness sealing strip according to the present invention Figure 1 ;

[0039] Figure 2 It is a front view of a molding device for producing a high-toughness sealing rubber strip according to the present invention;

[0040] Figure 3 A three-dimensional diagram of a molding device for producing a high-toughness sealing strip according to the present invention Figure 2 ;

[0041] Figure 4 A three-dimensional diagram of a molding device for producing a high-toughness sealing strip according to the present invention Figure 3 ;

[0042] Figure 5 A three-dimensional diagram of a molding device for producing a high-toughness sealing strip according to the present invention Figure 4 ;

[0043] Figure 6 A three-dimensional diagram of a molding device for producing a high-toughness sealing strip according to the present invention Figure 5 ;

[0044] Figure 7 A three-dimensional diagram of a molding device for producing a high-toughness sealing strip according to the present invention Figure 6 ;

[0045] Figure 8 for Figure 3 Enlarged view of point A in the middle.

[0046] The numbers in the figure represent:

[0047] 1. Base; 2. Positioning assembly; 21. Baffle; 22. Pressure sensor; 23. Linear module slide; 24. Connecting plate; 3. Finished product distributing assembly; 31. First cylinder; 32. First straight plate; 33. First bottom plate; 34. Feeding hole; 4. Side limit assembly; 41. Support frame; 42. Side limit plate; 43. Straight fixed plate A; 5. Intermediate material discharging assembly; 51. Second cylinder; 52. Second bottom plate; 53. Second straight plate; 54. Hinge; 6. Symmetrical bevel assembly; 61. Mold base; 62. Oblique hole; 63. Third cylinder; 64. Mold core; 65. Straight fixed plate B; 66. Bevel cutter; 67. Fixed frame; 68. Support seat; 69. Horizontal axis; 610. Rotating baffle. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] The present invention will be further described below in conjunction with the embodiments.

[0050] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view. Example 1

[0051] This embodiment discloses a production process of a high-toughness sealing rubber strip, comprising the following steps:

[0052] 1) Preparation of modified graphene oxide:

[0053] Weigh 102 parts of nano-graphene oxide, 13 parts of furfuryl alcohol, 7 parts of barium sulfate, and 8 parts of salicylic acid;

[0054] Mix nanographene oxide, furfuryl alcohol and barium sulfate and place them in an ultrasonic environment for 15 minutes;

[0055] Add salicylic acid and stir at room temperature for 65 minutes;

[0056] Continue to shake the mixture in an ultrasonic environment for 20 minutes;

[0057] 2) Preparation of high-toughness sealing strip materials:

[0058] Weigh 55 parts of chlorobutyl rubber, 1 part of zinc borate, 1 part of sodium carbonate, 65 parts of locust bean gum, 7 parts of modified graphene oxide, and 6 parts of additives;

[0059] Mix chlorobutyl rubber, zinc borate, sodium carbonate and additives, dehydrate under vacuum, and cool to 60°C;

[0060] Locust bean gum and modified graphene oxide were added, and the mixture was reacted at 92° C. for 2 h to obtain a mixed rubber material;

[0061] 3) Preparation of high-toughness sealing strips;

[0062] The mixed rubber material is kneaded in a kneader, extruded in an extruder, and poured into a mold for molding; the kneading temperature is 95°C and the extrusion temperature is 92°C;

[0063] Finally, the finished product is cut and divided by a molding device for producing high-toughness sealing strips to obtain high-toughness sealing strips. Example 2

[0064] This embodiment discloses a production process of a high-toughness sealing strip, comprising the following steps:

[0065] 1) Preparation of modified graphene oxide:

[0066] Weigh 135 parts of nano-graphene oxide, 11 parts of furfuryl alcohol, 11 parts of barium sulfate, and 5 parts of salicylic acid;

[0067] Nano-graphene oxide, furfuryl alcohol and barium sulfate were mixed and placed in an ultrasonic environment for 30 minutes;

[0068] Add salicylic acid and stir at room temperature for 45 minutes;

[0069] Continue to place the mixture under ultrasonic vibration for 30 minutes;

[0070] 2) Preparation of high-toughness sealing strip materials:

[0071] Weigh 85 parts of chlorobutyl rubber, 0.1 parts of zinc borate, 5 parts of sodium carbonate, 55 parts of locust bean gum, 13 parts of modified graphene oxide, and 3 parts of additives;

[0072] Mix chlorobutyl rubber, zinc borate, sodium carbonate and additives, dehydrate under vacuum, and cool to 70°C;

[0073] Locust bean gum and modified graphene oxide were added, and the mixture was reacted at 95° C. for 1 h to obtain a mixed rubber material;

[0074] 3) Preparation of high-toughness sealing strips;

[0075] The mixed rubber material is kneaded in a kneader, extruded in an extruder, and poured into a mold for molding; the kneading temperature is 98°C and the extrusion temperature is 88°C;

[0076] Finally, the finished product is cut and divided by a molding device for producing high-toughness sealing strips to obtain high-toughness sealing strips. Example 3

[0077] This embodiment discloses a production process of a high-toughness sealing rubber strip, comprising the following steps:

[0078] 1) Preparation of modified graphene oxide:

[0079] Weigh 125 parts of nano-graphene oxide, 12.8 parts of furfuryl alcohol, 9 parts of barium sulfate, and 6.3 parts of salicylic acid;

[0080] Nano-graphene oxide, furfuryl alcohol and barium sulfate were mixed and placed in an ultrasonic environment for 22 minutes;

[0081] Add salicylic acid and stir at room temperature for 55 minutes;

[0082] Continue to place the mixture under ultrasonic vibration for 27 minutes;

[0083] 2) Preparation of high-toughness sealing strip materials:

[0084] Weigh 59 parts of chlorobutyl rubber, 0.2 parts of zinc borate, 3.2 parts of sodium carbonate, 61 parts of locust bean gum, 10.4 parts of modified graphene oxide, and 5.5 parts of additives;

[0085] Mix chlorobutyl rubber, zinc borate, sodium carbonate and additives, dehydrate under vacuum, and cool to 66°C;

[0086] Locust bean gum and modified graphene oxide were added, and the mixture was reacted at 93° C. for 1.5 h to obtain a mixed rubber material;

[0087] 3) Preparation of high-toughness sealing strips;

[0088] The mixed rubber material is kneaded in a kneader, extruded in an extruder, and poured into a mold for molding; the kneading temperature is 96°C and the extrusion temperature is 89°C;

[0089] Finally, the finished product is cut and divided by a molding device for producing high-toughness sealing strips to obtain high-toughness sealing strips. Example 4

[0090] This embodiment discloses a molding device for producing high-toughness sealing strips, comprising a base 1;

[0091] A symmetrical beveling assembly 6 for symmetrically beveling the finished product after forming is installed at the upper end of the base 1;

[0092] An intermediate material discharging assembly 5 for discharging the intermediate material is installed at the upper end of the base 1;

[0093] The upper end of the base 1 is provided with a finished product distributing component 3 for discharging the sealing strip;

[0094] A positioning assembly 2 for adjusting the length of the sealing strip is installed at the upper end of the base 1;

[0095] The upper end of the base 1 is provided with a side limit assembly 4 for blocking and limiting the position of the finished product distributing assembly 3 when it is extended;

[0096] The base 1 is provided with a discharge hole 34 for discharging the sealing strip on the left side of the positioning assembly 2; when the side limit assembly 4 is retracted to the set position, the sealing strip falls through the discharge hole 34;

[0097] The symmetrical beveling assembly 6 comprises a die base 61, an oblique hole 62, a third cylinder 63, a die core 64, a straight fixed plate B65, a bevel cutter 66, a fixed frame 67, a support base 68, a transverse axis 69 and a rotating baffle 610; the die base 61 is fixedly mounted on the base 1, and oblique holes 62 are symmetrically provided at corresponding positions of the die base 61 and the die core 64, a die core 64 is installed in the die base 61, one end of the die core 64 is fixedly connected to the fixed frame 67, the fixed frame 67 is located on the left side of the die base 61, and the top of the die base 61 is fixedly connected to the support The support seat 68 is rotatably connected with a horizontal axis 69, which is fixedly connected to one end of a rotating baffle 610. The finished product passes through the mold core 64 and the fixed frame 67. The third cylinder 63 is fixedly installed on the base 1 and a straight fixed plate B65 is fixedly connected to the output end of the third cylinder 63. Two sets of bevel cutters 66 that are plugged in and matched with the oblique holes 62 are fixedly connected to one end of the straight fixed plate B65 close to the mold seat 61. The rotating baffle 610 is located on the left side of the fixed frame 67 due to gravity, thereby preventing the fixed frame 67 from moving to the left.

[0098] The finished product is moved by the external conveying structure; the straight fixed plate B65 is driven forward by the third cylinder 63, and the straight fixed plate B65 drives the bevel cutter 66 to move forward, and the bevel cutter 66 is inserted into the oblique hole 62 of the mold base 61 and the mold core 64 to perform symmetrical bevel cutting and cutting on the finished product;

[0099] When replacing the mold core 64, the rotating baffle 610 is rotated upward, and the mold core 64 is taken out of the mold base 61 through the fixed frame 67, and then the new mold core 64 is put into the mold base 61, and the rotating baffle 610 is released, and it is automatically locked under the action of gravity, which is very convenient;

[0100] The intermediate material discharging assembly 5 comprises a second cylinder 51, a second bottom plate 52, a second straight plate 53 and a hinge 54; the second cylinder 51 is fixedly mounted on the base 1, the output end of the second cylinder 51 is fixedly connected to the second straight plate 53, the lower end of the second straight plate 53 is hinged to the second bottom plate 52 through the hinge 54, when the second straight plate 53 extends forward to the front edge of the base 1, the second bottom plate 52 turns along the second straight plate 53 to discharge the intermediate material; the second bottom plate 52 is slidably connected to the base 1;

[0101] After the upper finished product is beveled and transported to the unloading position, the intermediate material is located above the second bottom plate 52, and the sealing strip is located above the unloading hole 34; at this time, the intermediate material is unloaded through the intermediate material unloading component 5, and the sealing strip is unloaded through the finished product discharging component 3;

[0102] The finished product dispensing assembly 3 comprises a first cylinder 31, a first straight plate 32 and a first bottom plate 33; the first cylinder 31 is fixedly mounted on the base 1, the driving end of the first cylinder 31 is fixedly connected to the first straight plate 32, and the bottom front end of the first straight plate 32 is fixedly connected to the first bottom plate 33; when the first cylinder 31 is in an extended state, the first bottom plate 33 is located above the discharge hole 34 and blocks the discharge hole 34;

[0103] When discharging the sealing strip, the first cylinder 31 is started to drive the first bottom plate 33 to move backward through the first straight plate 32, and the discharge hole 34 leaks out, and the sealing strip is discharged from the discharge hole 34;

[0104] The positioning assembly 2 includes a baffle 21, a pressure sensor 22, a linear module slide 23 and a connecting plate 24; the linear module slide 23 is fixedly mounted on the base 1, the driving end of the linear module slide 23 is fixedly connected to the connecting plate 24, one end of the connecting plate 24 close to the die base 61 is fixedly connected to the pressure sensor 22, and the baffle 21 is fixedly mounted on the detection end of the pressure sensor 22;

[0105] When the sealing strip moves to the right and contacts the baffle 21, the pressure is detected by the pressure sensor 22, and then transmitted to the external controller to control the external conveying structure to stop;

[0106] When the length of the finished product needs to be adjusted, the linear module slide 23 is started to drive the connecting plate 24 to move, and the connecting plate 24 drives the baffle 21 and the pressure sensor 22 to move, thereby adjusting the contact position between the baffle 21 and the right end of the sealing strip, and then adjusting the length of the sealing strip;

[0107] The side limit assembly 4 includes a support frame 41, a side limit plate 42 and a straight fixed plate A43; the support frame 41 is fixedly installed on the base 1, and a plurality of groups of straight fixed plates A43 are fixedly connected to the inner top of the support frame 41, and the straight fixed plates A43 are respectively fixedly connected to the side limit plates 42, and the bottoms of the side limit plates 42 are all slidably connected to the top of the first bottom plate 33;

[0108] When the first cylinder 31 extends, it drives the first straight plate 32 to move forward, and the side limit plates 42 prevent the first straight plate 32 from moving. At this time, the first bottom plate 33 is located directly below the two side limit plates 42, and the first bottom plate 33 just blocks the feed hole 34.

[0109] The linear module slide 23 and the first cylinder 31 are respectively located at the front and rear sides of the two side limit plates 42;

[0110] The distance between the two side limit plates 42 is substantially equal to the width of the feed hole 34 , and the width of the feed hole 34 is slightly greater than the width of the sealing strip;

[0111] Preferably, the connecting plate 24 is slidably connected to the two side limiting plates 42;

[0112] When the connecting plate 24 moves, it slides along the two side limiting plates 42, and the movement is smoother and more stable.

[0113] In summary, during the preparation process of the sealing strip of the present invention, locust bean gum and modified graphene oxide are added, which is beneficial to improving the toughness and strength of the sealing strip and prolonging its service life.

[0114] Furthermore, the present invention can realize the automatic separation process of the intermediate material and the sealing strip after cutting, and at the same time, the mold core 64 can be replaced and the length of the sealing strip can be adjusted according to the use needs, and the adaptability is high.

[0115] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-toughness sealing strip molding device, characterized in that: comprising a base (1); A symmetrical beveling assembly (6) for symmetrically beveling the finished product after forming is installed at the upper end of the base (1); An intermediate material discharging assembly (5) for discharging the intermediate material is installed at the upper end of the base (1); A finished product distributing component (3) for discharging the sealing rubber strip is installed at the upper end of the base (1); A positioning component (2) for adjusting the length of the sealing strip is installed at the upper end of the base (1); The upper end of the base (1) is provided with a side limit assembly (4) for blocking and limiting the position of the finished product dispensing assembly (3) when it is extended; The base (1) is provided with a discharge hole (34) for discharging the sealing rubber strip; when the side limit assembly (4) is retracted to a set position, the sealing rubber strip falls through the discharge hole (34); The symmetrical beveling assembly (6) comprises a die base (61), an oblique hole (62), a third cylinder (63), a die core (64), a straight fixed plate B (65), a bevel cutter (66), a fixed frame (67), a support base (68), a transverse axis (69) and a rotating baffle (610). The die base (61) is fixedly mounted on the base (1). The oblique holes (62) are symmetrically provided at corresponding positions of the die base (61) and the die core (64). The die base (61) is provided with a die core (64). One end of the die core (64) is fixedly connected to the fixed frame (67). The fixed frame (67) is located at the feed end of the die base (61). The top of (61) is fixedly connected to a support seat (68), a transverse shaft (69) is rotatably connected to the support seat (68), the transverse shaft (69) is fixedly connected to one end of a rotating baffle (610), the finished product passes through the mold core (64) and the fixed frame (67), the third cylinder (63) is fixedly installed on the base (1) and a straight fixed plate B (65) is fixedly connected to the output end of the third cylinder (63), and two groups of bevel cutters (66) that are plugged into the oblique holes (62) are fixedly connected to one end of the straight fixed plate B (65) close to the mold base (61), and the rotating baffle (610) is prevented from moving the fixed frame (67) due to the action of gravity; The intermediate material discharging assembly (5) comprises a second cylinder (51), a second bottom plate (52), a second straight plate (53) and a hinge (54); the second cylinder (51) is fixedly mounted on the base (1); the output end of the second cylinder (51) is fixedly connected to the second straight plate (53); the lower end of the second straight plate (53) is hinged to the second bottom plate (52) via a hinge (54); when the second straight plate (53) moves, the second bottom plate (52) turns along the second straight plate (53) to discharge the intermediate material; the second bottom plate (52) is slidably connected to the base (1); after the upper section of the finished product is beveled and transported to the discharge position, the intermediate material is located above the second bottom plate (52), and the sealing strip is located above the discharge hole (34); at this time, the intermediate material is discharged through the intermediate material discharging assembly (5), and the sealing strip is discharged through the finished product dividing assembly (3); The finished product dispensing assembly (3) comprises a first cylinder (31), a first straight plate (32) and a first bottom plate (33); the first cylinder (31) is fixedly mounted on the base (1), a driving end of the first cylinder (31) is fixedly connected to the first straight plate (32), and the bottom of the first straight plate (32) is fixedly connected to the first bottom plate (33); when the first cylinder (31) is in an extended state, the first bottom plate (33) is located above the discharge hole (34) and blocks the discharge hole (34); The positioning assembly (2) comprises a baffle (21), a pressure sensor (22), a linear module slide (23) and a connecting plate (24); the linear module slide (23) is fixedly mounted on the base (1), a driving end of the linear module slide (23) is fixedly connected to the connecting plate (24), an end of the connecting plate (24) close to the die base (61) is fixedly connected to the pressure sensor (22), and the baffle (21) is fixedly mounted on the detection end of the pressure sensor (22); The side limit assembly (4) comprises a support frame (41), a side limit plate (42) and a straight fixed plate A (43); the support frame (41) is fixedly mounted on the base (1); a plurality of groups of straight fixed plates A (43) are fixedly connected to the inner top of the support frame (41); the straight fixed plates A (43) are respectively fixedly connected to the side limit plates (42); and the bottoms of the side limit plates (42) are all slidably connected to the top of the first bottom plate (33).

Images