Packaging positioning and conveying device for packaging equipment

Abstract

The invention provides a packaging positioning and conveying device for packaging equipment, and relates to the technical field of packaging machinery. Transverse supporting roller frames are fixedly installed at the front end and the rear end of the top plane of the base in a vertically-upward mode correspondingly. A conveying belt is rotationally installed on the front supporting roller frame support and the rear supporting roller frame support. A transverse portal-shaped vertical frame is vertically and fixedly mounted in the front of the middle of the top plane of the base upwards, and a motor is mounted in the middle of the upper end of the vertical frame; guide clamping tables are vertically and upwards installed on the base on the inner sides of the left end and the right end of the vertical frame. The conveying belt drives the packaging carton to reach the designated position to stay, so that the purpose of integrating sealing and packaging carton conveying and positioning is achieved, in the positioning and conveying process, additional electronic devices are not needed for control, cost is saved, the fault rate is low, and the problems that an existing conveying and positioning device is high in manufacturing cost and high in efficiency are solved. And the failure rate is also high.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging machinery, and more specifically, to a packaging positioning and conveying device for a packaging equipment. Background Art

[0002] Carton packaging has the characteristics of easy material collection, light weight, easy printing, easy design and molding, low cost, etc. Therefore, carton packaging is widely used in the sales packaging and transportation packaging of commodities. In the clothing processing process, merchants who need to perform a large number of operations such as boxing, packaging sealing, and sticking express delivery labels usually purchase automated equipment to reduce production costs and improve production efficiency.

[0003] At present, such automated equipment usually conveys cartons by a flat conveyor belt, and then sets a group of push rods on the side to position the cartons at the target position, and then performs operations such as boxing, sealing, or sticking express delivery labels. However, an infrared sensor is usually required to determine the position of the cartons, so as to control the conveyor and the inkjet or sealing mechanism to perform operations. The whole action requires complex logic, not only the manufacturing cost is relatively high, but also the failure rate is high.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a packaging positioning and conveying device for a packaging equipment is provided, in order to achieve a more practical value purpose. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides a packaging positioning and conveying device for a packaging equipment to solve the problems that the existing conveying and positioning device has a relatively high manufacturing cost and a high failure rate.

[0006] The purpose and effect of the packaging positioning and conveying device for the general packaging equipment of the present invention are achieved by the following specific technical means: A packaging positioning and conveying device for a packaging equipment, including a base; at the front and rear ends of the top plane of the base, a horizontal support roller frame is respectively vertically and upwardly fixedly installed; a conveyor belt is rotatably installed on the front and rear two support roller frames; at the middle front part of the top plane of the base, a horizontally arranged gantry-shaped vertical frame is vertically and upwardly fixedly installed, and a motor is installed in the middle of the upper end of the vertical frame; on the base at the inner sides of the left and right ends of the vertical frame, a guiding clamping platform is vertically and upwardly installed; on the base at the rear side of the guiding clamping platform, a check frame is vertically and upwardly fixedly installed; on the backs of the left and right ends of the vertical frame, a linkage seat is respectively vertically installed; between the left and right two linkage seats, a pressing seat is installed; at the middle position of the rear side wall of the linkage seat, a positioning conveying seat is vertically installed.

[0007] Optionally, rollers are horizontally rotatably installed at the upper end of the support roller frame. The rollers are rotatably connected to the conveyor belt, jointly forming a recyclable rotating conveyor. Square positioning holes are evenly spaced at the edges of the left and right ends of the conveyor belt, and the positioning holes exactly correspond to the positions of the packaging boxes.

[0008] Optionally, a guiding rail seat is vertically installed on the inner side wall of the vertical frame. A clamping rail is vertically installed at the rear end of the guiding rail seat corresponding to the position of the linkage seat. A wheel disc is fixedly installed at the end of the rotating shaft of the motor; a shifting shaft is vertically provided at the edge of the outer end disc wall of the wheel disc.

[0009] Optionally, a cuboid-shaped support platform is fixedly installed inside the guiding clamping platform. The upper and lower end faces of the support platform are respectively tangent to the inner side walls of the upper and lower layers of the conveyor belt; a calibration clamping bar is horizontally installed on the inner side wall of the guiding clamping platform above the support platform, and the lower end of the calibration clamping bar is tangent to the upper end face of the conveyor belt; the rear end of the support platform is fixedly butted with a guiding platform, and the rear end of the guiding platform is an inclined surface structure with an inclined cut.

[0010] Optionally, a triangular stop inclined groove is provided at the lower corner of the rear end of the inner side wall of the linkage seat; a rail groove for the clamping rail on the guiding rail seat to slide and connect is vertically provided in the middle of the front side wall of the linkage seat. A positioning conveyor shifting rod is rotatably installed on the positioning conveyor seat through a pin shaft. A tension spring is connected at the upper part of the middle of the positioning conveyor shifting rod, and the other end of the tension spring is fixedly connected to the outer side wall of the linkage seat; when the positioning conveyor shifting rod is vertical, the lower end of the positioning conveyor shifting rod passes through the positioning hole, and the right end of the positioning conveyor shifting rod is tangent to the left end of the guiding platform. In the natural pulling state of the tension spring, the positioning conveyor shifting rod is clamped with the stop inclined groove. When the positioning conveyor shifting rod moves down with the linkage seat, the lower end of the positioning conveyor shifting rod corresponds to the position of the adjacent positioning hole directly below and in front.

[0011] Optionally, the upper end of the check frame is rotatably connected forward through a pin shaft with a check arm; a check wedge block is fixedly connected to the end of the check arm. The upper end of the check wedge block is an inclined surface structure inclined obliquely forward and downward. When the positioning conveyor shifting rod is vertically inserted into the positioning hole, the check wedge block is also clamped with the positioning hole at the corresponding position; a guiding bent rod is fixedly connected to the end of the bottom plane of the check arm. The guiding bent rod rotates around the connecting pin shaft center of the check arm. A bent spring is sleeved on the guiding bent rod. Stroke holes are penetrated through the front and rear side walls of the extrusion seat, and the shifting shaft is arranged inside the stroke holes; extrusion box plates are respectively fixedly installed at the left and right ends of the extrusion seat, and the lower ends of the extrusion box plates are inclined surface structures inclined outward and downward.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, when the motor is working, the wheel rotates, and the extrusion seat is driven to move up and down through the shifting shaft, so that the extrusion box plate can move up and down accordingly. On the one hand, the downwardly moved extrusion box plate can seal the packaging carton below, which is convenient for the next step of packaging. On the other hand, it can drive the positioning conveying seat to move downward through the following linkage seat, so that the positioning conveying seat can shift the conveyor belt, so that the conveyor belt drives the packaging carton to reach the designated position and stay, thereby achieving the purpose of sealing and conveying the positioning packaging carton in one. In addition, in the process of positioning and conveying, no additional electronic devices are required for control, which saves costs and has a low failure rate.

[0013] 2. In the present invention, the rear end of the support table is fixedly connected to the guide table, and the rear end of the guide table is a beveled inclined surface structure. When the positioning and conveying seat drives the positioning and conveying lever to move downward, the inclined positioning and conveying lever first contacts with the positioning hole below, and continues to move downward. The lower end of the positioning and conveying lever will contact with the upper end of the inclined surface of the guide table, and continues to move downward. The positioning and conveying lever slides down along the inclined surface of the guide table, driving the conveyor belt to rotate until the positioning and conveying lever slides to the vertical surface of the rear end of the guide table. At this time, the positioning and conveying lever maintains a vertical state, positioning is completed, and conveying is also completed, achieving the effect of one movement and multiple movements, precise control, simplicity and effectiveness.

[0014] 3. In the present invention, a guide bent rod is fixedly connected to the end of the bottom plane of the non-return arm. The guide bent rod rotates with the center of the connecting pin shaft of the non-return arm as the center. A bending spring is mounted on the guide bent rod. When the positioning and conveying lever completes a conveying, the non-return wedge block is inserted into the corresponding positioning hole, and the positioning and conveying lever moves up and resets. Under the action of the non-return wedge block and the bending spring, the positioning and conveying lever can be prevented from picking up the conveyor belt back to its original position during the resetting process, thereby realizing the non-return effect, and effectively cooperating with the positioning and conveying lever to complete the positioning and conveying operation.

[0015] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention from the upper right front axis.

[0017] Figure 2 The present invention Figure 1 A is a schematic diagram of the structure of the enlarged part.

[0018] Figure 3 It is a schematic diagram of the upper left rear axial structure of the present invention.

[0019] Figure 4 The present invention Figure 3 B is a schematic diagram of the structure of the enlarged part.

[0020] Figure 5 It is an axonometric structural schematic diagram of the upward movement state of the linkage seat and the positioning and conveying seat of the present invention.

[0021] Figure 6 It is an axonometric structural schematic diagram of the upward movement state of the linkage seat of the present invention.

[0022] Figure 7 It is an axonometric structural schematic diagram of the downward movement and separation state of the conveyor belt of the present invention.

[0023] Figure 8 It is an axonometric structural schematic diagram of the removed state of the conveyor belt of the present invention.

[0024] In the figure, the corresponding relationship between the component names and the attached drawing numbers is as follows: 1. Base; 2. Support roller frame; 201. Roller; 3. Conveyor belt; 301. Positioning hole; 4. Vertical frame; 401. Guide rail seat; 5. Motor; 501. Disk; 502. Pivot shaft; 6. Guide clamping platform; 601. Support platform; 602. Calibration strip; 603. Guide platform; 7. Linkage seat; 701. Stop inclined groove; 702. Rail groove; 8. Positioning and conveying seat; 801. Positioning and conveying lever; 802. Tension spring; 9. Check rack; 901. Check arm; 902. Check wedge; 903. Guide bent bar; 904. Bent spring; 10. Extrusion seat; 1001. Extrusion box plate; 1002. Stroke hole. Specific embodiments

[0025] The following further describes the embodiments of the present invention in detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment: As shown in the Figure 1 to the Figure 8 accompanying drawings: The present invention provides a packaging positioning and conveying device for a packaging device, including a base 1; at the front and rear ends of the top plane of the base 1, a horizontal support roller frame 2 is vertically and upwardly fixedly installed; a conveyor belt 3 is rotatably installed on the brackets of the front and rear support roller frames 2; at the middle front part of the top plane of the base 1, a vertical frame 4 in the shape of a horizontal portal is vertically and upwardly fixedly installed, and a motor 5 is installed in the middle of the upper end of the vertical frame 4; on the base 1 inside the left and right ends of the vertical frame 4, a guiding clamping platform 6 is vertically and upwardly installed; on the base 1 behind the guiding clamping platform 6, a check rack 9 is vertically and upwardly fixedly installed; on the back parts of the left and right ends of the vertical frame 4, a linkage seat 7 is vertically installed; between the left and right linkage seats 7, a pressing seat 10 is installed; at the middle position of the rear side wall of the linkage seat 7, a positioning and conveying seat 8 is vertically installed.

[0029] In addition, according to an embodiment of the present invention, a roller 201 is horizontally and rotatably installed at the upper end of the support roller frame 2, and the roller 201 is rotationally connected to the conveyor belt 3 to jointly form a recyclable rotating conveyor, which can cooperate with the conveyor belt 3 to form a non-powered conveyor for facilitating the conveyance of clothing packaging cartons.

[0030] In addition, according to an embodiment of the present invention, square positioning holes 301 are evenly spaced at the edges of the left and right ends of the conveyor belt 3, and the positioning holes 301 exactly correspond to the positions of the packaging boxes, so as to achieve the purpose of accurately controlling the stopping positions of the packaging boxes and facilitating the packaging or inkjet coding operations of the packaging boxes.

[0031] In addition, according to an embodiment of the present invention, a guiding rail seat 401 is vertically installed on the inner side wall of the vertical frame 4, and a clamping rail is vertically installed at the position corresponding to the linkage seat 7 at the rear end of the guiding rail seat 401, so that the linkage seat 7 can vertically slide on the guiding rail seat 401 of the vertical frame 4.

[0032] In addition, according to an embodiment of the present invention, a disk 501 is fixedly installed at the end of the rotating shaft of the motor 5; a shifting shaft 502 is vertically provided at the edge position of the outer end disk wall of the disk 501, and stroke holes 1002 are penetrated through the front and rear side walls of the extrusion seat 10, and the shifting shaft 502 is built in the stroke holes 1002; extrusion box plates 1001 are fixedly installed at the left and right ends of the extrusion seat 10 respectively, and the lower end of the extrusion box plate 1001 is an inclined surface structure that slopes outward and downward. When the motor 5 works, the disk 501 rotates, and the extrusion seat 10 is driven to move up and down through the shifting shaft 502, so that the extrusion box plate 1001 can move up and down accordingly. On the one hand, the downward-moving extrusion box plate 1001 can cover the packaging carton below, facilitating the next encapsulation. On the other hand, it can also drive the positioning conveyor seat 8 to move down through the following moving linkage seat 7, so that the positioning conveyor seat 8 can toggle the conveyor belt 3, and the conveyor belt 3 drives the packaging carton to stay at the specified position, so as to achieve the purpose of integrating the capping and conveying and positioning of the packaging carton. Moreover, during the positioning and conveying process, no additional electronic devices are required for control, saving costs and having a low failure rate.

[0033] In addition, according to an embodiment of the present invention, a cuboid-shaped support platform 601 is fixedly installed inside the guiding clamping platform 6. The upper and lower end faces of the support platform 601 are respectively tangent to the inner side walls of the upper and lower layers of the conveyor belt 3, which can be used to assist in supporting the conveyor belt 3 to prevent the conveyor belt 3 from sagging. A calibration clamping bar 602 is horizontally installed on the inner side wall of the guiding clamping platform 6 above the support platform 601. The lower end of the calibration clamping bar 602 is tangent to the upper end surface of the conveyor belt 3, which is used to guide and correct the conveyor belt 3 to facilitate ensuring that the conveyor belt 3 can always rotate along the predetermined route during use.

[0034] In addition, according to an embodiment of the present invention, a rail groove 702 for the sliding connection of the clamping rail on the guiding rail seat 401 is vertically opened in the middle of the front side wall of the linkage seat 7, which is used to cooperate with the guiding rail seat 401 to ensure the vertical sliding of the linkage seat 7.

[0035] In addition, according to an embodiment of the present invention, a positioning and conveying lever 801 is rotatably mounted on the positioning and conveying seat 8 through a pin shaft. A tension spring 802 is connected to the upper part of the middle of the positioning and conveying lever 801, and the other end of the tension spring 802 is fixedly connected to the outer end side wall of the linkage seat 7. When the positioning and conveying lever 801 is vertical, the lower end of the positioning and conveying lever 801 passes through the positioning hole 301, and the right end of the positioning and conveying lever 801 is tangent to the left end of the guiding platform 603. In the natural pulling state of the tension spring 802, the positioning and conveying lever 801 is engaged with the stop inclined groove 701. A triangular stop inclined groove 701 is formed at the lower corner of the inner side wall of the linkage seat 7 at the rear end. When the positioning and conveying lever 801 moves down with the linkage seat 7, the lower end of the positioning and conveying lever 801 corresponds to the position of the positioning hole 301 adjacent to the front side directly below. The rear end of the support platform 601 is fixedly butted with the guiding platform 603, and the rear end of the guiding platform 603 is an inclined surface structure with an oblique cut. When the positioning and conveying seat 8 drives the positioning and conveying lever 801 to move down, the inclined positioning and conveying lever 801 first contacts the lower positioning hole 301. Continuing to move down, the lower end of the positioning and conveying lever 801 will contact the upper end of the inclined surface of the guiding platform 603. Continuing to move down, the positioning and conveying lever 801 slides down along the inclined surface of the guiding platform 603, driving the conveyor belt 3 to rotate until the positioning and conveying lever 801 slides to the vertical surface at the rear end of the guiding platform 603. At this time, the positioning and conveying lever 801 maintains a vertical state, the positioning is completed, and the conveying is also completed, achieving the effect of one movement driving multiple movements, with precise control, simple and effective.

[0036] In addition, according to an embodiment of the present invention, the upper end of the check frame 9 is rotatably connected forward through a pin shaft with a check arm 901; a check wedge 902 is fixedly connected to the end of the check arm 901. The upper end of the check wedge 902 is an inclined surface structure inclined obliquely forward and downward. When the positioning and conveying lever 801 is vertically inserted into the positioning hole 301, the check wedge 902 is also engaged with the positioning hole 301 at the corresponding position; a guiding bent rod 903 is fixedly connected to the end of the bottom plane of the check arm 901. The guiding bent rod 903 rotates around the center of the connecting pin shaft of the check arm 901. A bent spring 904 is sleeved on the guiding bent rod 903. When the positioning and conveying lever 801 completes one conveying, the check wedge 902 is inserted into the corresponding positioning hole 301, and the positioning and conveying lever 801 moves up and resets. Under the action of the check wedge 902 and the bent spring 904, it can be avoided that the positioning and conveying lever 801 picks the conveyor belt 3 back to the original position during the reset process, thereby realizing the check function and effectively cooperating with the positioning and conveying lever 801 to complete the positioning and conveying operation.

[0037] The specific usage mode and function of this embodiment: During use, place the clothing packaging carton on the conveyor belt 3 and turn on the motor 5. When the motor 5 is working, the turntable 501 rotates, driving the extrusion seat 10 to move up and down through the shift shaft 502, so that the extrusion box plate 1001 can move up and down accordingly. On the one hand, the downward-moving extrusion box plate 1001 can seal the packaging carton below, facilitating the next encapsulation step. On the other hand, it can also drive the positioning conveyor seat 8 to move down through the linkage seat 7 that moves along, so that the positioning conveyor seat 8 can push the conveyor belt 3, causing the conveyor belt 3 to drive the packaging carton to stop at the specified position. When the positioning conveyor seat 8 drives the positioning conveyor lever 801 to move down, the inclined positioning conveyor lever 801 first contacts the lower positioning hole 301. Continuing to move down, the lower end of the positioning conveyor lever 801 will contact the upper end of the inclined surface of the guiding platform 603. Continuing to move down, the positioning conveyor lever 801 slides down along the inclined surface of the guiding platform 603, driving the conveyor belt 3 to rotate until the positioning conveyor lever 801 slides to the vertical surface at the rear end of the guiding platform 603. At this time, the positioning conveyor lever 801 maintains a vertical state. The end of the bottom plane of the check arm 901 is fixedly connected with a guiding bent rod 903. The guiding bent rod 903 rotates around the connecting pin shaft center of the check arm 901. A bending spring 904 is sleeved on the guiding bent rod 903. When the positioning conveyor lever 801 completes one conveyance, the check wedge 902 is inserted into the corresponding positioning hole 301, and the positioning conveyor lever 801 moves up and resets. Under the action of the check wedge 902 and the bending spring 904, it can prevent the positioning conveyor lever 801 from picking the conveyor belt 3 back to the original position during the reset process.

[0038] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A packaging positioning and conveying device for a packaging equipment, characterized in that: Comprising: A base (1); at the front and rear ends of the top plane of the base (1), there are respectively vertically and upwardly fixedly installed transverse support roller frames (2); between the front and rear two support roller frames (2), a conveyor belt (3) is rotatably installed; at the middle and front part of the top plane of the base (1), there is vertically and upwardly fixedly installed a vertical frame (4) in the shape of a horizontal portal, and a motor (5) is installed at the middle of the upper end of the vertical frame (4); on the base (1) at the inner sides of the left and right ends of the vertical frame (4), there are vertically and upwardly installed guide clamping platforms (6); on the base (1) at the rear side of the guide clamping platform (6), there is vertically and upwardly fixedly installed a check rack (9); at the backs of the left and right ends of the vertical frame (4), there are respectively vertically installed linkage seats (7); between the left and right two linkage seats (7), there is installed a pressing seat (10); at the middle position of the rear side wall of the linkage seat (7), there is vertically installed a positioning conveyor seat (8).

2. The packaging positioning and conveying device for a packaging device according to claim 1, characterized in that: At the upper end of the support roller frame (2), there is horizontally rotatably installed a roller (201), and the roller (201) is rotationally connected with the conveyor belt (3) to jointly form a recyclable rotating conveyor.

3. The packaging positioning and conveying device for a packaging device according to claim 1, characterized in that: At the edges of the left and right ends of the conveyor belt (3), there are evenly spaced square positioning holes (301) opened, and the positioning holes (301) exactly correspond to the positions of the packing boxes.

4. The packaging positioning and conveying device for a packaging device according to claim 3, wherein: On the inner side wall of the vertical frame (4), there is vertically installed a guide rail seat (401), and at the position corresponding to the linkage seat (7) at the rear end of the guide rail seat (401), there is a clamping rail vertically installed.

5. The packaging positioning and conveying device for a packaging device according to claim 1, characterized in that: At the end of the rotating shaft of the motor (5), there is fixedly installed a disc (501); at the edge position of the outer end disc wall of the disc (501), there is vertically provided a dial shaft (502).

6. The packaging positioning and conveying device for a packaging device according to claim 4, characterized in that: Inside the guide clamping platform (6), there is fixedly installed a cuboid-shaped support platform (601), and the upper and lower end faces of the support platform (601) are respectively tangent to the inner side walls of the upper and lower layers of the conveyor belt (3); on the inner side wall of the guide clamping platform (6) above the support platform (601), there is horizontally installed a calibration clamping strip (602), and the lower end of the calibration clamping strip (602) is tangent to the upper end face of the conveyor belt (3); at the rear end of the support platform (601), there is fixedly butted a guiding platform (603), and the rear end of the guiding platform (603) is a beveled structure with a bevel cut.

7. The packaging positioning and conveying device for a packaging equipment according to claim 6, characterized in that: At the lower corner of the rear side of the inner side wall of the linkage seat (7), there is opened a triangular stop inclined groove (701); at the middle of the front side wall of the linkage seat (7), there is vertically opened a rail groove (702) for the clamping rail on the guide rail seat (401) to slidably connect.

8. The packaging positioning and conveying device for a packaging equipment according to claim 7, characterized in that: A positioning and conveying lever (801) is rotatably mounted on the positioning and conveying seat (8) through a pin shaft. A tension spring (802) is connected to the upper part near the middle of the positioning and conveying lever (801), and the other end of the tension spring (802) is fixedly connected to the outer side wall of the linkage seat (7). When the positioning and conveying lever (801) is vertical, the lower end of the positioning and conveying lever (801) passes through the positioning hole (301), and the right end of the positioning and conveying lever (801) is tangent to the left end of the guiding platform (603). In the natural pulling state of the tension spring (802), the positioning and conveying lever (801) is engaged with the stop inclined groove (701). When the positioning and conveying lever (801) moves down with the linkage seat (7), the lower end of the positioning and conveying lever (801) corresponds to the position of the positioning hole (301) adjacent to the front side directly below.

9. The packaging positioning and conveying device for a packaging equipment according to claim 8, wherein: The upper end of the check frame (9) is rotatably connected forward through a pin shaft with a check arm (901). A check wedge (902) is fixedly connected to the end of the check arm (901). The upper end of the check wedge (902) is a slope structure inclined obliquely forward and downward. When the positioning and conveying lever (801) is vertically inserted into the positioning hole (301), the check wedge (902) is also engaged with the positioning hole (301) at the corresponding position. A guiding bent rod (903) is fixedly connected to the end of the bottom plane of the check arm (901). The guiding bent rod (903) rotates around the center of the connecting pin shaft of the check arm (901), and a bent spring (904) is sleeved on the guiding bent rod (903).

10. The packaging positioning and conveying device for a packaging device according to claim 5, wherein: Stroke holes (1002) are penetrated through the front and rear side walls of the extrusion seat (10), and the shifting shaft (502) is built in the stroke holes (1002). Extrusion box plates (1001) are fixedly installed at the left and right ends of the extrusion seat (10) respectively. The lower ends of the extrusion box plates (1001) are slope structures inclined outward and downward.

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