Sealing machine

Abstract

The utility model relates to the technical field of sealing machines, and provides a sealing machine which comprises a rack, a rotating seat, a limiting mechanism and a template, the rotating seat is rotationally arranged on the rack, and a mounting groove is formed in the rotating seat; the limiting mechanism comprises a template fixing frame, a bottom plate, a supporting plate and a limiting column; the template fixing frame is arranged in the mounting groove in a penetrating manner; the bottom plate is fixedly arranged on the bottom side of the rotating seat; the supporting plate is fixedly arranged on the bottom plate in a sliding manner; the limiting column is fixedly arranged on the supporting plate, and the distance between the limiting column and the center line of the formwork fixing frame is gradually increased from top to bottom. The template is fixed on the template fixing frame, the template fixing frame is mounted in the mounting groove of the rotating seat and is fixed through the limiting mechanism, and the fixing mode is high in flexibility and easy to operate, so that the template fixing frame is convenient to mount and dismount, and the template is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lifting platform, especially to a sealing machine. BACKGROUND

[0002] The sealing machine is a kind of equipment for sealing packaging container, is widely used in food, pharmaceutical, chemical, daily use chemical industry and multiple industries, it is closed by heating, pressure or the way of combination of the two to the opening part of packaging material, to ensure the safety and shelf life of contents.

[0003] The utility model discloses a sealing device of blister box in the patent publication No. CN216887503U, including the bottom platform, be equipped with the carousel on the bottom platform, the carousel is equipped with three along the circumferential interval uniform blister box placing groove, still be equipped with hot-pressing mechanism, blanking mechanism on the bottom platform, the blanking mechanism includes the first air cylinder, top plate, second air cylinder, connecting plate, push plate, gantry support frame, conveying frame, the first air cylinder is fixed on the bottom platform, the piston rod of the first air cylinder is upwards and is connected with the top plate, the conveying frame is erected above the bottom platform, the gantry support frame is fixed on the bottom platform, the conveying frame is located in the inside of gantry support frame, the second air cylinder is fixed on the top of gantry support frame, the piston rod of the second air cylinder is towards the middle part of carousel and is connected with the connecting plate, the connecting plate is fixed with the push plate, improve processing efficiency, and the blanking mechanism structure is relatively simple, realizes automatic blanking through two groups of air cylinders, and product quality is guaranteed, and it is not easy to be damaged.

[0004] In the above technical scheme, in order to facilitate the positioning of the packaging box, a limiting rod is arranged on the periphery of the placing groove, and some common methods are to install a template corresponding to the packaging box, however, such positioning method can only be applied to packaging boxes of a single size, and when the packaging box is replaced, the corresponding limiting rod or template needs to be replaced, but the operation steps of replacement are tedious, time-consuming and laborious, and the overall production efficiency is affected. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a sealing machine, and the template is convenient to install and detach, and is convenient to replace.

[0006] The technical scheme of the utility model is as follows: the utility model provides a sealing machine, which comprises a rack, a rotating seat, a limiting mechanism and a template, wherein,

[0007] The rotating seat is rotationally arranged on the rack, and an installation groove is formed in the rotating seat;

[0008] The limiting mechanism comprises a template fixing frame, a bottom plate, a supporting plate and a limiting column, the template fixing frame is arranged in the mounting groove in a penetrating manner, the bottom plate is fixedly arranged on the bottom side of the rotating seat, the supporting plate is fixedly arranged on the bottom plate in a slidable manner, the limiting column is fixedly arranged on the supporting plate, the distance between the limiting column and the center line of the template fixing frame gradually increases from top to bottom, a limiting groove is arranged on the bottom side of the two ends of the template fixing frame, the distance between the limiting groove and the center line of the template fixing frame gradually increases from top to bottom, and the limiting column and the limiting groove are in sliding connection.

[0009] The template is fixedly arranged on the top side of the template fixing frame.

[0010] Further preferably, a hanging rack is fixedly arranged on the bottom plate, a hanging rod is rotatably arranged on the bottom side of the supporting plate, and the hanging rod is in clamping connection with the hanging rack to limit the supporting plate.

[0011] On the basis of the above technical scheme, preferably, the limiting mechanism further comprises an elastic supporting mechanism, the elastic supporting mechanism comprises a guide rod, a spring and a resisting plate, wherein,

[0012] The guide rod is fixedly arranged on the bottom plate, and the sliding direction of the guide rod is parallel to the supporting plate;

[0013] The spring is sleeved on the guide rod;

[0014] The resisting plate is fixedly arranged on the supporting plate, the resisting plate is in sliding connection with the guide rod, and one end of the spring is in abutment with the side of the resisting plate close to the center line of the template.

[0015] Further preferably, a plurality of mounting grooves are arranged on the rotating seat, and the plurality of mounting grooves are arranged in a circumferential array around the center line of the rotating seat.

[0016] Further preferably, one end of the bottom plate close to the mounting groove extends into the mounting groove, and the bottom side of the template fixing frame is in abutment with the bottom plate.

[0017] Further preferably, the top of the limiting column is in a semispherical shape.

[0018] On the basis of the above technical scheme, preferably, the device further comprises a discharging mechanism, the discharging mechanism comprises a lifting mechanism, the lifting mechanism comprises a lifting cylinder and a lifting plate, wherein,

[0019] The lifting cylinder is fixedly arranged on the rack, and the lifting cylinder is located below the mounting groove;

[0020] The lifting plate is fixedly arranged on the output end of the lifting cylinder, and the lifting plate moves up and down in the mounting groove.

[0021] Preferably, the discharging mechanism further comprises a pushing mechanism, the pushing mechanism comprises a discharging chute, a pushing cylinder and a pushing plate, wherein,

[0022] The discharging chute is fixedly arranged on the rack;

[0023] The pushing cylinder is fixedly arranged on the rack, and the pushing cylinder is located above the discharging chute;

[0024] The pushing plate is fixedly arranged on the output end of the pushing cylinder and is located above the top plate.

[0025] Further preferably, the discharging chute is inclined, and the distance between the discharging chute and the rack gradually decreases from the end close to the rotating seat to the end away from the rotating seat.

[0026] Preferably, the heat sealing mechanism further comprises a bracket, a feeding roller and a heat sealer, wherein,

[0027] The bracket is fixedly arranged on the rack;

[0028] The feeding roller is fixedly arranged on the bracket;

[0029] The heat sealer is fixedly arranged on the bracket, and the heat sealer is located above the template. The sealing machine of the utility model has the following beneficial effects relative to the prior art:

[0030] (1) The template is fixed on the template fixing frame, the template fixing frame is installed in the installation groove of the rotating seat, and is fixed through the limiting mechanism. The limiting column which is inclined and slides with the supporting plate plays a guiding role in the installation of the template fixing frame. The limiting groove which is also inclined is arranged, and the template fixing frame can be installed in the installation groove through sliding. This fixing mode is flexible and easy to operate, so that the template fixing frame is convenient to install and disassemble, and the template is convenient to replace;

[0031] (2) The bottom plate which abuts against the bottom side of the template fixing frame is arranged, and the bottom plate supports the bottom of the template fixing frame to prevent the template fixing frame from falling off. The hanger is fixedly arranged on the bottom plate, the hanging rod is rotatably arranged on the bottom side of the supporting plate, and the hanging rod is connected with the hanger. The supporting plate is limited, and the supporting plate is prevented from moving. The inclined limiting column limits the template fixing frame, so that the template fixing frame cannot move upward, and the template fixing frame is fixed;

[0032] (3) By setting an elastic support mechanism on the bottom plate, the spring plays an elastic supporting role on the support plate, pushing the support plate to move toward the two ends of the template fixing frame, thereby pushing the guide column outward, facilitating the installation operation of the template fixing frame, and under the action of the spring elastic force, the hanging rod and the hanging frame are not easily disengaged, thereby improving the firmness and stability during fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 This is a three-dimensional diagram of a sealing machine of the present invention;

[0035] Figure 2 This is a three-dimensional diagram of a heat sealing mechanism in a sealing machine of the present invention;

[0036] Figure 3 This is a three-dimensional diagram of the bottom of a rotating seat in a sealing machine of the present invention;

[0037] Figure 4 This is a cross-sectional view of a limiting mechanism in a sealing machine of the present invention;

[0038] Figure 5 This is an exploded view of a template fixing frame in a sealing machine of the present invention;

[0039] Figure 6 This is an exploded view of the support plate in a sealing machine of the present invention;

[0040] Figure 7 This is a three-dimensional diagram of the bottom of a bottom plate in a sealing machine according to the present invention;

[0041] Figure 8 This is a three-dimensional diagram of the material pushing mechanism in a sealing machine of the present invention;

[0042] Figure 9 for Figure 8 Stereoscopic view at point A in the middle.

[0043] Among them: 1. Frame; 2. Rotating seat; 201. Mounting slot; 3. Limiting mechanism; 301. Limiting slot; 31. Template fixing frame; 32. Bottom plate; 321. Hanging rack; 33. Support plate; 331. Hanging rod; 34. Limiting column; 35. Elastic supporting mechanism; 351. Guide rod; 352. Spring; 353. Abutment plate; 4. Template; 5. Discharging mechanism; 51. Ejecting mechanism; 511. Ejecting cylinder; 512. Ejecting plate; 52. Pushing mechanism; 521. Discharging trough; 522. Pushing cylinder; 523. Pushing plate; 6. Heat sealing mechanism; 61. Bracket; 62. Feeding roller; 63. Heat sealing machine. DETAILED DESCRIPTION

[0044] The following will be combined with the specific embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only 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 making creative efforts are within the scope of protection of the present invention.

[0045] like Figures 1-9 As shown, a sealing machine of the present invention includes a frame 1, a rotating base 2, a limiting mechanism 3, a template 4, a discharging mechanism 5 and a heat sealing mechanism 6.

[0046] Among them, the frame 1 is used to support the rotating seat 2. A driving motor is arranged inside the frame 1. The output end of the driving motor passes through the top of the frame 1 and extends outside the frame 1. The rotating seat 2 is fixedly arranged at the output end of the driving motor.

[0047] The rotating seat 2 drives the packaging box to move by rotating, thereby realizing the transportation of the packaging box. A plurality of mounting grooves 201 are provided on the rotating seat 2. The mounting grooves 201 are used to install the template fixing frame 31, and the plurality of mounting grooves 201 are arranged in a circular array around the center line of the rotating seat 2 to ensure that the packaging box is transported to the next process position when the rotating seat 2 rotates.

[0048] The limiting mechanism 3 is used for fixing the template 4, and the limiting mechanism 3 comprises a template fixing frame 31, a bottom plate 32, a supporting plate 33 and a limiting column 34. The template fixing frame 31 is arranged in the mounting groove 201 in a penetrating mode, and the size of the template fixing frame 31 is consistent with the size of the mounting groove 201, so that the template fixing frame 31 cannot move to the periphery after being placed in the mounting groove 201. The bottom plate 32 is fixedly arranged at the bottom side of the rotating seat 2, and the end of the bottom plate 32 close to the mounting groove 201 extends into the mounting groove 201, and the bottom side of the template fixing frame 31 abuts against the bottom plate 32, so that the template fixing frame 31 is supported by the abutment of the two, thereby preventing the template fixing frame 31 from falling from the mounting groove 201, and in order to ensure the stability of the template fixing frame 31 during installation, the bottom plate 32 is preferably arranged at the bottom of both ends of the mounting groove 201, so as to prevent the bottom plate 32 from being inclined to one side.

[0049] As shown in Figure 4 , the bottom side of the bottom plate 32 is provided with a sliding rail, the supporting plate 33 is slidingly arranged on the sliding rail, and the limiting column 34 is fixedly arranged on the supporting plate 33, that is, the limiting column 34 can slide along the sliding rail together with the supporting plate 33, and in order to improve the stability of the supporting plate 33 during sliding, two sliding rails are preferably arranged, so as to ensure the linear sliding of the limiting column 34, and the limiting column 34 is arranged in an inclined mode, and the distance between the limiting column 34 and the center line of the template fixing frame 31 gradually increases from top to bottom. The bottom side of both ends of the template fixing frame 31 is provided with a limiting groove 301, and the distance between the limiting groove 301 and the center line of the template fixing frame 31 gradually increases from top to bottom. The limiting groove 301 is used for mounting the limiting column 34, and the limiting column 34 is slidingly connected with the limiting groove 301. When the limiting column 34 is inserted into the limiting groove 301, the template fixing frame 31 will push the supporting plate 33 to move to both ends during the descending process, so as to guide the descending of the template fixing frame 31 to a certain extent, so that the template fixing frame 31 is always parallel to the bottom plate 32 during the descending process, thereby facilitating the installation and positioning of the template fixing frame 31 into the mounting groove 201, and in order to ensure the smooth sliding of the supporting plate 33, the top of the limiting column 34 is arranged in a semispherical shape, so as to reduce the friction and make the sliding of the limiting column 34 more smooth.

[0050] As shown in Figure 4 , in order to prevent the template fixing frame 31 from moving upward after being placed in the mounting groove 201, a hanging frame 321 is fixedly arranged on the bottom plate 32, and a hanging rod 331 is rotatably arranged at the bottom side of the supporting plate 33, and the hanging rod 331 is clamped with the hanging frame 321 after being rotated, so as to limit the supporting plate 33. After the supporting plate 33 is limited, it cannot continue to slide along the sliding rail, and since the limiting column 34 is inclined, the template fixing frame 31 is limited, so that the template fixing frame 31 cannot move upward, thereby realizing the fixation of the template fixing frame 31.

[0051] As shown in Figure 7As shown, in order to facilitate the installation of the template fixing frame 31 and make the clamping of the hanging rod 331 and the hanging frame 321 not easy to disengage, the limiting mechanism 3 further comprises an elastic supporting mechanism 35, which comprises a guide rod 351, a spring 352 and a resisting plate 353, wherein the guide rod 351 is fixedly arranged on the bottom plate 32 and is parallel to the sliding direction of the supporting plate 33; the spring 352 is sleeved on the guide rod 351; the resisting plate 353 is fixedly arranged on the supporting plate 33 and is provided with a circular hole for mounting the guide rod 351, and the resisting plate 353 is sleeved on the guide rod 351 through the circular hole and is in sliding connection with the guide rod 351, and one end of the spring 352 is abutting against the side of the resisting plate 353 close to the center line of the template 4, and the spring 352 elastically supports the resisting plate 353, thereby pushing the supporting plate 33 to move towards the two ends of the template fixing frame 31, pushing the limiting column 34 outward to the starting position, aligning the limiting column 34 with the limiting groove 301 at the bottom of the template fixing frame 31, facilitating the installation operation of the template fixing frame 31, and under the elastic force of the spring 352, the supporting plate 33 is not easy to slide inward, thereby making the clamping of the hanging rod 331 and the hanging frame 321 not easy to disengage.

[0052] The template 4 is used for placing the packaging box and plays a positioning role on the packaging box, and is fixedly arranged on the top side of the template fixing frame 31 and can be disassembled with the template fixing frame 31, facilitating the replacement of the template 4 and being suitable for packaging boxes of different sizes.

[0053] The heat sealing mechanism 6 is used for heat sealing the packaging box, and comprises a bracket 61, a feeding roller 62 and a heat sealer 63, wherein the bracket 61 is fixedly arranged on the rack 1 and is used for mounting the feeding roller 62, the heat sealer 63 and the like, the feeding roller 62 and the heat sealer 63 are fixedly mounted on the bracket 61, and the heat sealer 63 is located above the template 4, when the packaging box moves to the lower side of the heat sealer 63, the output end of the heat sealer 63 is pressed downward to press the packaging film fed by the feeding roller 62 on the packaging box, and the packaging film is fixed with the packaging box through the heat pressure of the heat sealer 63, thereby realizing sealing.

[0054] The discharging mechanism 5 is used for discharging the packaging box after sealing, and comprises a ejection mechanism 51, which comprises an ejection cylinder 511 and an ejection plate 512, wherein the ejection cylinder 511 is fixedly arranged on the rack 1 and is located below the mounting groove 201; the ejection plate 512 is fixedly arranged on the output end of the ejection cylinder 511 and moves up and down in the mounting groove 201, when the packaging box moves to the upper side of the ejection plate 512, the ejection cylinder 511 pushes the ejection plate 512 upward, the ejection plate 512 passes through the mounting groove 201 to eject the packaging box from the template 4, so that the packaging box is separated from the template 4, in order not to hinder the normal rotation of the rotating seat 2, the height of the ejection cylinder 511 and the ejection plate 512 is preferably lower than the distance between the supporting plate 33 and the top end of the rack 1, so as to prevent the rotating seat 2 from being hindered when rotating.

[0055] The packaging box is pushed out by the pushing mechanism 52 after being ejected from the mold plate 4, the pushing mechanism 52 comprising an ejection chute 521, a pushing cylinder 522 and a pushing plate 523, wherein the ejection chute 521 is fixedly arranged on the frame 1; the pushing cylinder 522 is fixedly arranged on the frame 1 and located above the ejection chute 521; the pushing plate 523 is fixedly arranged on the output end of the pushing cylinder 522 and located above the top plate 512, the pushing cylinder 522 drives the pushing plate 523 to move by contraction, and the pushing plate 523 pushes the packaging box on the top plate 512 into the ejection chute 521.

[0056] The ejection chute 521 is inclined, and the distance between the ejection chute 521 and the frame 1 gradually decreases from the end close to the rotating seat 2 to the end away from the rotating seat 2, so that the packaging box in the ejection chute 521 can automatically slide along the inner wall of the ejection chute 521, thereby achieving ejection.

[0057] The use method of the sealing machine is as follows:

[0058] Firstly, the packaging box is placed in the mold plate 4 of the starting station, then the mold plate 4 is driven to rotate by the rotating seat 2, and the packaging box is moved to the next station, after the material is placed in the packaging box, the mold plate 4 is continuously driven to rotate by the rotating seat 2, and the packaging box is moved to below the heat sealing machine 63, the output end of the heat sealing machine 63 is pressed downward to press the packaging film conveyed by the feeding roller 62 on the packaging box, the packaging film is fixed on the packaging box by the heat pressure of the heat sealing machine 63, the packaging box is sealed, after the sealing of the packaging box is completed, the mold plate 4 is continuously driven to rotate by the rotating seat 2, the packaging box is moved to above the top plate 512, the top plate 512 is pushed upward by the ejecting cylinder 511, the top plate 512 passes through the mounting groove 201, the packaging box is ejected from the mold plate 4, the packaging box is separated from the mold plate 4, then the pushing plate 523 is driven to move by the contraction of the pushing cylinder 522, the packaging box on the top plate 512 is pushed into the ejection chute 521 by the pushing plate 523, and the packaging box automatically slides along the ejection chute 521, thereby achieving ejection and completing the whole sealing process.

[0059] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sealing machine, characterized in that: It comprises a frame (1), a rotating seat (2), a limiting mechanism (3) and a template (4), wherein: The rotating seat (2) is rotatably arranged on the frame (1), and a mounting groove (201) is provided on the rotating seat (2); The limiting mechanism (3) comprises a template fixing frame (31), a base plate (32), a supporting plate (33) and a limiting column (34); the template fixing frame (31) is arranged in the installation groove (201); the base plate (32) is fixedly arranged on the bottom side of the rotating seat (2); the supporting plate (33) is fixedly arranged on the base plate (32) in a slidable manner; the limiting column (34) is fixedly arranged on the supporting plate (33), and the distance between the limiting column (34) and the center line of the template fixing frame (31) gradually increases from top to bottom; limiting grooves (301) are provided on the bottom sides of both ends of the template fixing frame (31), and the distance between the limiting grooves (301) and the center line of the template fixing frame (31) gradually increases from top to bottom, and the limiting column (34) is slidably connected to the limiting grooves (301); The template (4) is fixedly arranged on the top side of the template fixing frame (31).

2. A sealing machine according to claim 1, characterized in that: A hanging bracket (321) is fixedly provided on the bottom plate (32), a hanging rod (331) is rotatably provided on the bottom side of the supporting plate (33), and the hanging rod (331) is engaged with the hanging bracket (321) to limit the position of the supporting plate (33).

3. A sealing machine according to claim 1, characterized in that: The limiting mechanism (3) further comprises an elastic support mechanism (35), wherein the elastic support mechanism (35) comprises a guide rod (351), a spring (352) and a stop plate (353), wherein: The guide rod (351) is fixedly arranged on the bottom plate (32), and the guide rod (351) is parallel to the sliding direction of the supporting plate (33); The spring (352) is sleeved on the guide rod (351); The abutment plate (353) is fixedly arranged on the supporting plate (33), and the abutment plate (353) is slidably connected to the guide rod (351), and one end of the spring (352) is in contact with a side of the abutment plate (353) close to the center line of the template (4).

4. A sealing machine according to claim 1, characterized in that: A plurality of the mounting grooves (201) are provided on the rotating seat (2), and the plurality of mounting grooves (201) are arranged in a circular array around the center line of the rotating seat (2).

5. A sealing machine according to claim 4, characterized in that: One end of the bottom plate (32) close to the installation groove (201) extends into the installation groove (201), and the bottom side of the template fixing frame (31) abuts against the bottom plate (32).

6. A sealing machine according to claim 1, characterized in that: The top of the limiting column (34) is hemispherical.

7. The sealing machine according to claim 1, characterized in that: It also includes a discharging mechanism (5), the discharging mechanism (5) includes a pushing mechanism (51), the pushing mechanism (51) includes a pushing cylinder (511) and a push plate (512), wherein, The ejecting cylinder (511) is fixedly arranged on the frame (1), and the ejecting cylinder (511) is located below the mounting groove (201); The top plate (512) is fixedly arranged on the output end of the ejecting cylinder (511), and the top plate (512) moves up and down in the installation groove (201).

8. A sealing machine according to claim 7, characterized in that: The discharging mechanism (5) further comprises a pushing mechanism (52), wherein the pushing mechanism (52) comprises a discharging trough (521), a pushing cylinder (522), and a pushing plate (523), wherein: The discharge chute (521) is fixedly arranged on the frame (1); The pushing cylinder (522) is fixedly arranged on the frame (1), and the pushing cylinder (522) is located above the discharge chute (521); The push plate (523) is fixedly arranged on the output end of the push cylinder (522) and is located above the top plate (512).

9. A sealing machine according to claim 8, characterized in that: The discharge chute (521) is inclined, and the distance between the discharge chute (521) and the frame (1) gradually decreases from the end thereof close to the rotating seat (2) to the end thereof away from the rotating seat (2).

10. The sealing machine according to claim 1, characterized in that: It also includes a heat sealing mechanism (6), the heat sealing mechanism (6) including a bracket (61), a feeding roller (62) and a heat sealing machine (63), wherein the bracket (61) is fixedly arranged on the frame (1); The feeding roller (62) is fixedly mounted on the bracket (61); The heat sealing machine (63) is fixedly mounted on the bracket (61), and the heat sealing machine (63) is located above the template (4).

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