CN115367177A

CN115367177A - Automatic screw packaging machine

Info

Publication number: CN115367177A
Application number: CN202211109283.4A
Authority: CN
Inventors: 陈诗筠; 陈家豪; 林辉煌
Original assignee: Daoxing Electronic Technology Xiamen Co ltd
Current assignee: Daoxing Electronic Technology Xiamen Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-11-22
Anticipated expiration: 2042-09-13
Also published as: CN115367177B

Abstract

The application relates to the technical field of packaging equipment, and provides an automatic screw packaging machine which comprises a rack, wherein a mounting rack is fixed on the surface of the rack, two groups of film pressing mechanisms are mounted on the mounting rack, and the two groups of film pressing machines are detachably connected with each other; each film pressing mechanism comprises a half-mold frame, a first hinge frame and a second hinge frame, wherein the first hinge frame and the second hinge frame are respectively hinged to two opposite sides of the half-mold frame; each film pressing mechanism further comprises a positioning assembly for aligning the edges of the two packaging films. Therefore, when the packaging films are replaced, an operator can align and press the two new and old packaging films and fix the two new and old packaging films by means of adhesive tape, the situations that the operator re-wears the films and seals the new packaging film by hot pressing can be reduced, and the dependence of the film replacement operation on manual experience is reduced.

Description

Automatic screw packaging machine

Technical Field

The application relates to the technical field of packaging equipment, in particular to an automatic screw packaging machine.

Background

The screw is a hardware frequently used when mechanical parts are connected, and is widely applied to the field of mechanical design and manufacturing. After the screws are processed in the factory, a specific number of screws are usually packaged in a bag and sold, and the screws are usually packaged automatically by a packaging machine.

The packaging machine in the related art generally includes a frame, a feeder arranged on the frame, a film feeding mechanism, a bag forming mechanism and a sealing mechanism, wherein the film feeding mechanism includes a material guiding cylinder and a discharging roller, and the discharging roller is used for placing a rolled packaging film; and a supporting plate is fixed on the peripheral side of the guide cylinder, and the guide cylinder and the supporting plate together form a film penetrating channel for the packaging film to pass through for positioning the packaging film and guiding the packaging film to move forwards.

A plurality of driving rollers are arranged between the material guide cylinder and the material discharge roller, the unreeled packaging film sequentially winds around the driving rollers, then passes through a film passing channel between the material guide cylinder and the supporting plate and stays outside the bagging mechanism, and the bagging mechanism can perform hot sealing on the vertical side of the packaging film; the packaging film after the primary hot sealing is continuously moved downwards to the outer side of the sealing mechanism, and the sealing mechanism can carry out hot sealing on the bottom side of the packaging film; after the screws are poured into the feeder, the screws can be conveyed to the guide cylinder through the feeding rail of the feeder and finally fall into the hot-sealed packaging film, the film conveying mechanism drives the packaging film to convey forwards and conduct hot sealing again, and automatic packaging operation of the screws can be completed.

In view of the above-mentioned related technical solutions, the inventors found that the following drawbacks exist:

the automatic screw packaging machine is a semi-automatic single machine device which needs manual film replacement; after the whole roll of packaging film placed on the discharging roller is used up, when an operator replaces the packaging film, the residual section of the previous roll of packaging film fixed by each transmission roller on the packaging machine needs to be taken out firstly, then a new packaging film is wound and wound on each transmission roller according to the specific smoothness, then the packaging film penetrates through a film penetrating channel between the material guide cylinder and the supporting plate and extends to the outer side of the bagging mechanism, and the bagging mechanism and the sealing mechanism need to be manually controlled to carry out pre-hot sealing on the packaging film; the operation of whole process is comparatively complicated, very relies on artificial experience, is difficult to independently accomplish the change of packaging film to unskilled staff, also influences the efficiency of changing easily.

Disclosure of Invention

In order to reduce the dependence on manual experience when the packaging film is replaced, the application provides an automatic screw packaging machine.

The application provides a screw automatic packaging machine adopts following technical scheme:

an automatic screw packaging machine comprises a frame, wherein a film pressing mechanism for clamping and fixing two packaging films is arranged on a mounting rack; the film pressing mechanisms are arranged in two groups, and the two groups of film pressing mechanisms are symmetrically arranged and detachably connected with each other;

each film pressing mechanism comprises a half-mold frame, a first hinge frame and a second hinge frame, and each half-mold frame is slidably mounted on the mounting frame; the first hinge frame and the second hinge frame are hinged to two opposite sides of the half-mold frame respectively, the first hinge frame and the second hinge frame are symmetrically arranged on two side edges of the half-mold frame, and when the first hinge frame and the second hinge frame rotate in opposite directions, the first hinge frame and the second hinge frame are partially overlapped and jointly fix two packaging films; each film pressing mechanism further comprises a positioning assembly for aligning the edges of the two packaging films.

Through adopting foretell technical scheme, when the operating personnel uses automatic packaging machine to carry out automatic packing to the screw, when running into the packing film and run out the condition that needs the new packing film of change, can use press mold mechanism to align and the pressfitting with two old and new packing films's both ends, then paste two packing films with the help of the sticky tape and fix, with the condition that reduces the operating personnel and need tear the form open, wear the membrane again, scald the new packing film of seal again, greatly reduced the dependency to the experience of workers, still be favorable to improving this automatic packaging machine's packing film change efficiency simultaneously.

When the packaging film is installed, the first hinge frame and the second hinge frame are firstly rotated towards the direction far away from the half-mold frame, one packaging film is enabled to penetrate through the area between the first hinge frame and the half-mold frame, the edge of the packaging film is aligned with the positioning assembly, the other packaging film is enabled to penetrate through the area between the second hinge frame and the half-mold frame, the edge of the packaging film is aligned with the positioning assembly, then the first hinge frame and the second hinge frame are controlled to rotate in the opposite direction, the two packaging films can partially abut against each other, the edges of the two packaging films are automatically aligned, and the operation difficulty of the operator in attaching and aligning the two packaging films is favorably reduced. And finally, the adhesive tape is used for adhering the two packaging films together, the two half-mode frames are moved towards the directions away from each other, the two film pressing mechanisms are mutually detached and separated, and the adhered packaging films can be separated from the film pressing mechanisms through the area between the two film pressing mechanisms, so that the subsequent packaging films can be normally conveyed.

Optionally, one side of each first hinge frame facing to an adjacent first hinge frame is connected with a first connecting rod, and the first connecting rod is provided with a first negative pressure component for adsorbing the packaging film; every second hinge joint frame all is connected with the second connecting rod towards one side of adjacent second hinge joint frame, and the second connecting rod is installed and is used for adsorbing the second negative pressure part of packaging film, when first hinge joint frame and second hinge joint frame are close to each other, first negative pressure part supports each other with second negative pressure part.

By adopting the technical scheme, the first negative pressure component and the second negative pressure component can respectively adsorb and fix a piece of packaging film, so that the possibility that the packaging film moves after being aligned by the positioning component is reduced; then control first articulated frame and second articulated frame and rotate in opposite directions, make first negative pressure part and second negative pressure part support two packaging film jointly and make its local coincidence this moment, be favorable to follow-up use sticky tape with two packaging film paste fixedly.

Optionally, the first connecting rod is provided with a through mounting hole, and the first negative pressure component comprises a fixing column fixed in the mounting hole in an inserted manner and a stop block movably mounted at one end of the fixing column; the fixing column is provided with a through negative pressure hole along the axis direction, the stop block is provided with a negative pressure hose, and the negative pressure hose is normally opposite to the negative pressure hole.

By adopting the technical scheme, when the packaging film passes through the area between the first hinge frame and the half-mold frame and is abutted against the fixed column, the negative pressure hose can provide negative pressure for the negative pressure hole of the fixed column, so that the packaging film is smoothly adsorbed; when the position of the packaging film has deviation and needs to be readjusted, an operator can enable the negative pressure hose and the negative pressure hole to be staggered mutually by moving the stop block, and the negative pressure suction force of the negative pressure hole is dissipated, so that the packaging film can move smoothly; connect the baffle in the fixed column again after the packaging film position adjustment, can adsorb the packaging film fixed again, have the advantage of the operating personnel operation of being convenient for.

Optionally, the first negative pressure components are provided with a plurality of first negative pressure components, and a first fixing rod is connected between the stop blocks of every two adjacent first negative pressure components; one end of the second fixed rod, which is far away from the first fixed rod, is hinged to one of the first hinged frames;

a first magnetic ring is embedded on one side of each stop block facing the fixed column, and the first magnetic ring is positioned on the outer peripheral side of the negative pressure hose; and a second magnetic ring is embedded in each fixed column and is positioned on the outer peripheral side of the negative pressure hole, and when the stop block abuts against the fixed column, the first magnetic ring and the second magnetic ring are attracted magnetically.

Through adopting foretell technical scheme, the setting of first magnetic ring and second magnetic ring can make magnetism be connected between dog and the fixed column, is favorable to improving the dismouting convenience between dog and the fixed column. The setting of a plurality of first negative pressure parts can improve the stability when the packaging film is adsorbed, and articulate each dog interconnect and wholly through the second dead lever in first articulated frame through using first dead lever, and when needs removed the packaging film, the operation personnel rotated the second dead lever and can make each negative pressure hole lose negative pressure suction simultaneously, further improved the convenience of operation personnel operation.

Optionally, the first connecting rod is provided with a through mounting hole, the first negative pressure component comprises a fixing column inserted and fixed in the mounting hole and a negative pressure ball connected to the fixing column, the fixing column is provided with a through negative pressure hole along the axis direction of the fixing column, and the negative pressure ball is communicated with the negative pressure hole; the first negative pressure component is provided with a plurality of negative pressure balls, and a linkage assembly for forcing the negative pressure balls to exhaust and contract is commonly arranged among all the negative pressure balls.

Through adopting foretell technical scheme, the packaging film passes behind the region between first articulated frame and the half module frame, can once only extrude all negative pressure balls and discharge all negative pressure ball inside air through control linkage assembly, supports the packaging film again and leans on in the fixed column, can form the negative pressure between negative pressure ball and the negative pressure hole this moment to adsorb the packaging film smoothly. When there is the deviation in the position of packaging film and needs readjustment, the operation personnel can directly draw the packaging film and make the packaging film remove to the direction of keeping away from the fixed column, and the air can get into in the negative pressure ball automatically this moment and make the negative pressure ball reset, then all negative pressure balls of the extrusion of the joint action subassembly of controling again to make the packaging film support again in the fixed column after the adjustment packaging film position, can be fixed with the packaging film absorption again, also have the advantage of the operation personnel of being convenient for operation.

Optionally, the linkage assembly comprises an annular plate and a moving block, the annular plate is erected on the first hinge frame, and all the negative pressure balls are installed inside the annular plate together; the inner wall of the annular plate is provided with a plurality of radial through movable grooves, and an extrusion block is movably arranged in each movable groove; the two moving blocks are arranged in number and surround the outer periphery of the annular plate together; a sliding rod is commonly connected between the two moving blocks in a penetrating manner, a first elastic piece is sleeved on the outer side of the sliding rod, and the first elastic piece is positioned between the two moving blocks; when the two moving blocks move oppositely to abut against each other, each extrusion block partially enters the annular plate and jointly extrudes each negative pressure ball.

Through adopting foretell technical scheme, first elastic component normality makes two movable blocks move to the direction of keeping away from each other, when the operation personnel need adsorb the packaging film, the operation personnel make two movable blocks be close to each other to two movable block application of force, two movable blocks finally can support by the inner wall in the annular slab and promote each extrusion piece and inwards move, each extrusion piece homoenergetic this moment locally gets into the annular slab inside and oppress each negative pressure ball and inwards contract to make each negative pressure ball provide the negative pressure and adsorb the packaging film smoothly to the negative pressure hole respectively.

Optionally, the first hinge frame comprises a first hinge plate hinged to the half-mold frame and a first connecting plate fixed to one side of the first hinge plate away from the half-mold frame, and two first connecting plates of the two sets of film pressing mechanisms are detachably connected; the second hinge frame comprises a second hinge plate hinged to the half mold frame and a second connecting plate fixed on one side, away from the half mold frame, of the second hinge plate, and the two second connecting plates of the two sets of film pressing mechanisms are detachably connected;

the positioning assembly comprises two side baffles, one side baffle is connected to one side of the first hinged plate facing to the adjacent first hinged plate, and the other side baffle is connected to one side of the second hinged plate facing to the adjacent second hinged plate; two adjacent side baffles of the film pressing mechanisms form a positioning area for positioning the packaging film together.

By adopting the technical scheme, two adjacent side baffles respectively positioned on the two groups of film pressing mechanisms can jointly position one packaging film; after two packaging films all pass through side baffle location, first articulated frame and the relative rotation of second articulated frame can make two packaging film edges align, and then improve follow-up two packaging film and paste fixed convenience.

Optionally, the side baffle comprises a first limiting part, a connecting part and a second limiting part which are sequentially connected, and the first limiting part and the second limiting part are arranged in parallel to limit the packaging film together; the outer side of the connecting part is provided with an extending part, and one side of the extending part, which is far away from the connecting part, is connected with the adjacent first hinge plate/the adjacent second hinge plate.

Through adopting foretell technical scheme, the setting of first spacing portion, connecting portion and the spacing portion of second makes the side shield wholly be the C font, and the packaging film can enough play the effect that the side aligns behind the side shield that passes two symmetries settings, also can reduce the condition that the packaging film rear end rocked wantonly, is favorable to making the packaging film location stable.

Optionally, one side of the extension part away from the connecting part is connected with the adjacent first hinge plate/the adjacent second hinge plate in a sliding manner; the outer side of the connecting part is provided with a shearing assembly, the shearing assembly comprises a base plate fixed on the outer side of the connecting part and a cutting plate connected to the outer side of the connecting part in a sliding manner, and one side of the cutting plate facing the base plate is provided with a cutting edge part; a second elastic piece is arranged between the cutting plate and the base plate and is in a normal state of compression.

By adopting the technical scheme, when the adhesive tape is used for adhering the two packaging films, an operator can directly adhere the adhesive tape to the two first hinged brackets or the two second hinged brackets, and the middle part of the adhesive tape is adhered to the junction of the two packaging films; then the operation personnel make the side shield stop in the sticky tape outside through removing the side shield, and the control cutting board makes the cutting board remove to the direction that is close to the base plate, and the blade portion of cutting board can be with the unnecessary part excision of sticky tape, further improves the convenience that the operation personnel changed the packaging film. The second elastic piece is in normal state compression state, can use the back at the cutting board and accomplish automatically to force the cutting board to rotate to the direction of keeping away from the base plate, makes things convenient for the next cutting operation of operation personnel.

Optionally, magnetic parts are fixed on the opposite sides of the two half mold frames, the opposite sides of the two first hinge brackets and the opposite sides of the two second hinge brackets, and each two adjacent magnetic parts are magnetically attracted.

Through adopting foretell technical scheme, two sets of half module frames, two sets of first articulated framves and two sets of second articulated framves all pass through magnetic part interconnect, and magnetic force between two magnetic parts can make two sets of film pressing mechanism normalities reciprocal anchorage, and the dismantlement of two sets of film pressing mechanisms also can be accomplished fast through the mode of drawing to the operating personnel, has greatly improved two sets of film pressing mechanism's dismouting convenience.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when an operator changes a new package, the two ends of the two new and old packaging films can be aligned and pressed through the film pressing mechanism, and then the two packaging films can be stuck and fixed by the aid of the adhesive tape, so that the situations that the operator needs to pierce the films again and seal the new packaging film again by hot pressing are reduced, and the dependence on manual experience is greatly reduced;

2. by arranging the two sets of film pressing mechanisms which can be detachably fixed, after two packaging films are pasted, the two sets of film pressing mechanisms are detached and are away from each other, and the pasted packaging films can be separated from the film pressing mechanisms from the area between the two film pressing mechanisms, so that the subsequent packaging films can be conveyed normally;

3. through setting up first negative pressure part and second negative pressure part, first negative pressure part and second negative pressure part can adsorb a slice packaging film respectively, and first negative pressure part and second negative pressure part can support two packaging films jointly and tightly make its local coincidence when first articulated frame and second articulated frame are close to each other moreover, and the follow-up sticky tape of being convenient for is pasted two packaging films fixedly.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a schematic view of the two sets of film laminating mechanisms in example 1;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the construction of a side dam and shear assembly of example 1;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic structural view of two sets of film pressing mechanisms in example 2;

FIG. 7 is a schematic configuration view of two first hinge brackets according to embodiment 2;

fig. 8 is an enlarged view at C in fig. 7.

Description of reference numerals: 1. a frame; 11. a feeder; 12. a film feeding mechanism; 13. a bagging mechanism; 14. a sealing mechanism; 15. a mounting frame; 151. a sloping beam plate; 2. a half-mold frame; 21. a first plate member; 22. a second plate member; 23. a slide bar; 3. a first hinge frame; 31. a first hinge plate; 311. a first chute; 32. a first connecting plate; 33. a first link; 34. a first negative pressure member; 341. fixing a column; 342. a stopper; 343. a negative pressure hose; 344. a first fixing lever; 345. a second fixing bar; 346. a negative pressure ball; 4. a second hinge frame; 41. a second hinge plate; 42. a second connecting plate; 43. a second link; 44. a second negative pressure member;

5. a positioning assembly; 51. side baffles; 511. a first limiting part; 512. a connecting portion; 513. a second limiting part; 514. an extension portion; 515. a second chute; 6. a shearing assembly; 61. a substrate; 611. a V-shaped groove; 62. cutting the plate; 621. a blade part; 63. a second elastic member; 7. a linkage assembly; 71. an annular plate; 711. extruding the block; 712. a support plate; 72. a moving block; 721. an installation part; 73. a slide bar; 74. a first elastic member; 8. a magnetic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

Example 1

The embodiment of the application discloses screw automatic packaging machine.

Referring to fig. 1, the screw automatic packaging machine comprises a frame 1, a feeder 11, a film feeding mechanism 12, a bag forming mechanism 13 and a sealing mechanism 14, wherein the feeder 11, the film feeding mechanism 12, the bag forming mechanism 13 and the sealing mechanism 14 are all mounted on the frame 1. The film feeding mechanism 12 is used for placing a packaging film and transmitting the packaging film to the outer sides of the bag forming mechanism 13 and the sealing mechanism 14, the bag forming mechanism 13 can perform vertical hot sealing on the packaging film, and the sealing mechanism 14 can perform transverse hot sealing on the packaging film; the feeder 11 is used for placing screws and conveying the screws to the hot-sealed packaging films in a vibration mode, and then the packaging films are conveyed forwards continuously and hot-sealed again through the sealing mechanism 14, so that the packaging films can be completely sealed, and automatic packaging of the screws is realized.

The film feeding mechanism 12 comprises a plurality of discharging rollers, a plurality of driving rollers and a material guide cylinder, wherein the discharging rollers and the plurality of driving rollers are rotatably erected on the rack 1; the coiled packaging films are arranged on the discharging rollers, and the packaging films need to be wound on each driving roller according to a specific sequence and finally surround and arranged on the outer peripheral side of the guide cylinder, so that the installation process is complicated.

This embodiment has mounting bracket 15 at 1 fixed surface in frame, and two sets of film pressing mechanisms are installed to mounting bracket 15, and two sets of film pressing mechanisms symmetry sets up and can dismantle the connection each other. The two groups of film pressing mechanisms are positioned at the outer side of the film conveying mechanism 12 and are used for fixing the starting position of a new packaging film and the replacement position of an old packaging film together when the packaging film is replaced, so that two packaging films can be conveniently and fixedly adhered by using an adhesive tape subsequently, and the convenience of replacing the packaging films is improved; the adhesive tape used in the pasting process can be different from the color of the packaging film, so that the hot sealed packaging film with the adhesive tape can be selected by subsequent operators and eliminated, and the product sale is not influenced.

In other embodiments, due to the different structures of various packaging machines, the mounting frame 15 and the film pressing mechanism can be selectively arranged according to the structure of the packaging machine, but can play a role in assisting to fix the new and old packaging films.

Referring to fig. 2, the mounting frame 15 includes two inclined beam plates 151, the two inclined beam plates 151 are jointly fixed to the same side of the frame 1, and the two sets of film pressing mechanisms are respectively installed on the two inclined beam plates 151. Each film pressing mechanism comprises a half-mold frame 2, a first hinged frame 3 and a second hinged frame 4, wherein the half-mold frame 2 is slidably mounted on the sloping beam plate 151, the first hinged frame 3 and the second hinged frame 4 are respectively hinged to two opposite sides of the half-mold frame 2, and the first hinged frame 3 and the second hinged frame 4 are symmetrically arranged on two side edges of the half-mold frame 2. First articulated frame 3 and second articulated frame 4 are used for fixing two packing films jointly, can improve the efficiency of change operation when the operation personnel change the packing film.

The half mold frame 2 includes a first plate 21 and two second plates 22, and the two second plates 22 are respectively integrally formed on two sides of the first plate 21 in the extending direction, so that the half mold frame 2 is integrally C-shaped. A sliding rod 23 is fixed in the middle of the first plate 21, and the sliding rod 23 is positioned on one side of the first plate 21 away from the other first plate 21; the inclined beam plate 151 is provided with a sliding groove, and the sliding rod 23 is installed in the sliding groove in a matching manner and can freely move in the sliding groove; the slide rod 23 is provided as a rectangular rod for restricting the rotation of the slide rod 23 in the slide groove. The magnetic parts 8 are respectively fixed on the opposite sides of the two adjacent second plates 22 of the two half mold frames 2, the magnetic parts 8 are set as magnets, and the magnetism of the two adjacent magnets is opposite, so that the two half mold frames 2 can be mutually fixed and detachably connected in the magnetic attraction direction.

Two first hinging frames 3 of the two film pressing mechanisms are positioned at the same side of the half-mold frame 2; each first hinge frame 3 comprises a first hinge plate 31 hinged to the second plate 22 and a first connecting plate 32 fixed to one side of the first hinge plate 31 away from the second plate 22, and the first hinge plate 31 and the first connecting plate 32 are integrally formed. A torsion spring is mounted at the hinge joint of each first hinge plate 31 and the second plate 22, and is used for normally abutting the first hinge frame 3 against the half-mold frame 2. The magnetic members 8 are also fixed to opposite sides of the two first coupling plates 32, respectively, so that the two first hinge brackets 3 can also be fixed to and detachably coupled with each other in a magnetic attraction manner.

Two second hinging frames 4 of the two film pressing mechanisms are positioned on one side of the half-mold frame 2 far away from the first hinging frame 3; each second hinge frame 4 comprises a second hinge plate 41 and a second connecting plate 42, wherein the second hinge plate 41 and the first hinge plate 31 are respectively hinged with the two second plates 22 of the film pressing mechanism, and the second connecting plate 42 is integrally formed on one side of the second hinge plate 41 away from the second plates 22. A torsion spring is also mounted at the hinge of each second hinge plate 41 and the second plate member 22, and is used for normally abutting the second hinge frame 4 against the half-mold frame 2. The magnetic parts 8 are also fixed to opposite sides of the two second connecting plates 42, respectively, so that the two second hinge brackets 4 can also be fixed and detachably connected to each other in a magnetic attraction manner.

One side of each first hinge plate 31 facing the adjacent first hinge plate 31 is connected with a first connecting rod 33, one end, away from the adjacent first hinge plate 31, of each first connecting rod 33 is provided with a through mounting hole, and a first negative pressure component 34 is mounted in the mounting hole of each first connecting rod 33. A second connecting rod 43 is connected to one side of each second hinge plate 41 facing to the adjacent second hinge plate 41, a through mounting hole is also formed in one end, away from the adjacent second hinge plate 41, of each second connecting rod 43, and a second negative pressure component 44 is mounted in the mounting hole of each second connecting rod 43. The first negative pressure component 34 and the second negative pressure component 44 can respectively adsorb a piece of packaging film, when the first hinge frame 3 and the second hinge frame 4 rotate oppositely under the torsion action of the respective torsion springs and approach each other, the first hinge frame 3 and the second hinge frame 4 are partially overlapped, and the first negative pressure component 34 and the second negative pressure component 44 can mutually abut against each other and clamp and fix two pieces of packaging film together.

In the present description, the number, specific structure, and mounting manner of the first negative pressure member 34 and the second negative pressure member 44 are the same, and the first negative pressure member 34 is taken as an example in the present embodiment.

The number of the first negative pressure members 34 is plural, and in the present embodiment, the number of the first links 33 fixed to one first hinge plate 31 is two, that is, the number of the first links 33 is four in total, and the number of the first negative pressure members 34 is four correspondingly; the four first negative pressure members 34 work together to improve the stability of the packaging film adsorption and reduce the possibility of the position deviation of the packaging film after adsorption.

Referring to fig. 3, each first negative pressure component 34 includes a fixing column 341 and a stopper 342, the fixing column 341 is inserted into the mounting hole in a matching manner, and the fixing column 341 is provided with a through negative pressure hole along the axis direction thereof. The stopper 342 is arranged on one side of the fixed column 341 far away from the second negative pressure component 44, a first magnetic ring is embedded on one side of the stopper 342 close to the fixed column 341, a second magnetic ring is embedded on one side of the fixed column 341 close to the stopper 342, and the second magnetic ring is positioned on the outer peripheral side of the negative pressure hole; the first magnetic ring and the second magnetic ring have opposite magnetism, so that the stopper 342 can be fixed at one end of the fixed column 341 in a magnetic attraction manner.

A negative pressure hose 343 is fixedly connected to the block 342 in a penetrating manner, and the negative pressure hose 343 is normally opposite to a negative pressure hole of the fixed column 341; one end of each negative pressure hose 343 far from the stopper 342 is commonly connected with a negative pressure generator (not shown in the figure) for providing negative pressure to each negative pressure hole and stably adsorbing the packaging film.

Each two adjacent stoppers 342 of all the stoppers 342 are connected to each other by a first fixing rod 344, wherein a second fixing rod 345 is fixedly connected to one of the first fixing rods 344, and one end of the second fixing rod 345 remote from the first fixing rod 344 is hinged to one of the first hinge plates 31. When the operator controls the second fixing rod 345 to rotate, each stopper 342 can be separated from each fixing post 341, so that the negative pressure of the negative pressure hole disappears, which is beneficial to readjusting the position of the packaging film attached to the first negative pressure member 34.

Returning to fig. 2, each film pressing mechanism further includes a positioning assembly 5, and the positioning assembly 5 is used for aligning the edges of the two packaging films, so as to improve the flatness of the two new and old packaging films after being adhered. The positioning assembly 5 includes two side guards 51, one side guard 51 connected to the first hinge plate 31 on the side facing the adjacent first hinge plate 31 and the other side guard 51 connected to the second hinge plate 41 on the side facing the adjacent second hinge plate 41; two adjacent side baffles 51 of the two sets of film pressing mechanisms can jointly form a positioning area for positioning the packaging film, and the positioning area and one side of the fixing column 341 away from the stop block 342 are in the same plane.

Referring to fig. 4, the side barrier 51 includes a first limiting portion 511, a connecting portion 512 and a second limiting portion 513 sequentially connected, wherein the first limiting portion 511 and the second limiting portion 513 are disposed in parallel and located on the same side of the connecting portion 512, so that the side barrier 51 is C-shaped as a whole; the interval is established to equal with the width of packaging film between two connecting portion 512 of two adjacent side shield 51, through passing two adjacent side shield 51 with the packaging film, can stably fix a position the packaging film, and the side edge of two sheets of packaging film can align automatically simultaneously.

One side of the connecting portion 512, which is away from the adjacent connecting portion 512, is provided with an integrally formed extending portion 514, one side of the first hinge plate 31, which is close to the mold half frame 2, is provided with a first sliding groove 311, the extending direction of the first sliding groove 311 is the same as the extending direction of the first hinge plate 31, and the extending portion 514 is slidably installed in the first sliding groove 311. Referring to fig. 2 and 4 in particular, one end of the extension portion 514, which is away from the connecting portion 512, is partially exposed to the first hinge frame 3, and the side blocking plate 51 can be conveniently driven to move along the first sliding slot 311 by pushing the exposed end of the extension portion 514.

Referring to fig. 5, a cutting assembly 6 is further disposed on an outer side of the connecting portion 512, the cutting assembly 6 includes a substrate 61 and a cutting plate 62, wherein the substrate 61 is fixed on one side of the connecting portion 512 in the extending direction, and the substrate 61 is provided with a V-shaped groove 611. The connecting portion 512 is equipped with the one side of base plate 61 and has still seted up second spout 515, and cutting board 62 slides and installs in second spout 515, and is equipped with second elastic component 63 between the diapire of cutting board 62 and second spout 515, and the second elastic component 63 of this embodiment sets up to the spring, and in other embodiments, second elastic component 63 also can be elastic material such as rubber band pad, silica gel pad. The second elastic member 63 is in a compressed state in a normal state, and can always generate an elastic force acting on the cutting plate 62 to move the cutting plate 62 in a direction away from the base plate 61.

One side of the cutting plate 62 facing the substrate 61 is provided with an integrally formed cutting edge 621, and the cutting edge 621 faces the V-shaped groove 611 of the substrate 61; when the two packaging films are fixed by the adhesive tape, and the two ends of the adhesive tape are partially bonded to the first hinge plate 31/the second hinge plate 41, the operator moves the side baffle 51 to enable the shearing assembly 6 to be located outside the adhesive tape, then controls the cutting plate 62 to move towards the direction close to the base plate 61, and the cutting plate 62 can rapidly cut off the redundant parts of the adhesive tape, so that the subsequent sealing and ironing of the packaging films are facilitated. The outside of cutting board 62 is fixed with the extension rod, and the one end part that the extension rod kept away from cutting board 62 exposes in first articulated frame 3, can conveniently promote cutting board 62 to the direction removal that is close to base plate 61 through pressing the extension rod.

The implementation principle of the embodiment 1 of the application is as follows:

when the screws are automatically packed on the packing machine, if the packing film is used up and needs to be replaced by a new one, a new roll of the packing film can be fixed on the discharging roller, and the starting end of the new film is pulled and is mutually adhered to the terminal end of the old film. Or if the old film has problems or needs to be replaced by another type of packaging film in the packaging process, the old packaging film can be partially cut, the packaging film of the old roll is removed, the new roll of packaging film is fixed on the discharging roller, and the new film is pulled to be adhered and fixed with the old film, so that the convenience of replacing the packaging film in the middle of production is improved.

When two packaging films are bonded with each other, the first hinge frame 3 can be rotated towards the direction far away from the half-mold frame 2, so that a new film passes through the two side baffles 51 on the first hinge frame 3 and is adsorbed by the first negative pressure part 34; then, the second hinge frame 4 is rotated away from the mold half frame 2, so that the used film passes through the two side baffles 51 on the second hinge frame 4, and the second negative pressure component 44 sucks the packaging film. The first hinge frame 3 and the second hinge frame 4 rotate oppositely under the action of the corresponding torsion springs, the first negative pressure part 34 and the second negative pressure part 44 abut against the two packaging films together, and at the moment, the two packaging films are partially overlapped; then the operation personnel use the sticky tape directly to bond in two juncture of two packaging film, remove side baffle 51 and cut off the unnecessary part of two sticky tapes through shearing subassembly 6, can accomplish the pasting of new and old two packaging film fast, greatly reduced the operation degree of difficulty that the operation personnel aligned two packaging film laminating and bond fixedly, the dependence of retooling operation to the artificial experience has been reduced, the membrane exchange efficiency has been promoted simultaneously, also avoid clearing away the influence to the mechanism because of the section of remaining of old membrane on each driving roller.

Example 2

The embodiment of the application discloses screw automatic packaging machine.

Referring to fig. 6, the automatic screw packaging machine disclosed in the embodiment of the present application is different from embodiment 1 in that:

the first negative pressure member 34 in this embodiment includes a fixing post 341 and a negative pressure ball 346, wherein the negative pressure ball 346 includes an integrally formed pressing portion and an air tube portion, and one end of the air tube portion away from the pressing portion is communicated with the negative pressure hole of the fixing post 341. The number of the first negative pressure members 34 is also set to four, and the linkage assembly 7 for forcing the compression portion to exhaust and contract is commonly installed between all the negative pressure balls 346.

Referring to fig. 7, the linkage assembly 7 includes a circular plate 71 and a moving block 72, wherein a support plate 712 is fixed on the outer side of the circular plate 71, one end of the support plate 712, which is far away from the circular plate 71, is fixedly connected to one of the first hinge plates 31, and the pressing portions of all the negative pressure balls 346 are jointly installed inside the circular plate 71. A plurality of movable grooves are formed in the inner wall of the annular plate 71, each movable groove penetrates through the inner side and the outer side of the annular plate 71 along the radial line direction of the annular plate 71, and all the movable grooves are arranged at equal intervals along the circumferential direction of the annular plate 71; each movable groove is internally provided with a freely moving extrusion block 711, and the extrusion part is fixedly bonded with part of the extrusion block 711; one end of the extrusion block 711, which is far away from the central axis of the arc-shaped plate, is normally exposed on the outer periphery of the arc-shaped plate.

Two moving blocks 72 are provided, the shape of the moving blocks 72 is semi-annular, and the two moving blocks 72 are provided to surround the outer peripheral side of the annular plate 71; one of the moving blocks 72 is slidably coupled to the support plate 712. Referring to fig. 8, two mounting portions 721 are fixed to the outer side of each moving block 72, and the two mounting portions 721 are symmetrically disposed at two ends of the moving block 72 in the arc direction; a sliding rod 73 is commonly connected between two adjacent mounting parts 721 of the two moving blocks 72, a first elastic member 74 is sleeved on the outer periphery of the sliding rod 73, and the first elastic member 74 is located between the two adjacent mounting parts 721.

Referring to fig. 8, the first elastic member 74 of the present embodiment is also provided as a spring, and in other embodiments, the first elastic member 74 may also be a rubber mat, a silicon mat, or other materials with elasticity. The second spring member is in a normally compressed state and is capable of always generating a resilient force on the two moving blocks 72 and forcing the two moving blocks 72 away from each other. When the worker forces the moving blocks 72 to move the two moving blocks 72 closer to each other, the two pressing blocks can be attached to the outer peripheral side of the annular plate 71 together, and all the pressing blocks 711 are pushed into the annular plate 71 together, thereby pressing the respective negative pressure balls 346 at the same time. At this time, the packaging film is attached to the fixed column 341, the pressing portions of the negative pressure balls 346 of the moving blocks 72 are released to automatically reset and push the two moving blocks 72 to be away from each other, and the negative pressure balls 346 automatically generate negative pressure and adsorb the packaging film.

The implementation principle of embodiment 2 of the present application is as follows:

when a new packaging film needs to be replaced, an operator penetrates the packaging film through the two adjacent side baffles 51, applies acting force to the two moving blocks 72 to enable the negative pressure balls 346 to be in a squeezing state conveniently, and then attaches the packaging film to the fixed column 341 and releases the moving blocks 72 to enable the packaging film to be adsorbed conveniently. By using the negative pressure ball 346 to replace the negative pressure hose 343 and the negative pressure generator, the situation that the negative pressure generator generates negative pressure after being electrified for a long time can be avoided, and the device has the advantages of energy conservation, environmental protection and convenience in use.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a screw automatic packaging machine which characterized in that: the packaging film laminating machine comprises a rack (1), wherein a mounting rack (15) is fixed on the surface of the rack (1), and a film laminating mechanism for clamping and fixing two packaging films is installed on the mounting rack (15); the film pressing mechanisms are arranged in two groups, and the two groups of film pressing mechanisms are symmetrically arranged and detachably connected with each other;

each film pressing mechanism comprises a half-mold frame (2), a first hinged frame (3) and a second hinged frame (4), and each half-mold frame (2) is slidably mounted on a mounting frame (15); the first hinge frame (3) and the second hinge frame (4) are respectively hinged to two opposite sides of the half-mold frame (2), the first hinge frame (3) and the second hinge frame (4) are symmetrically arranged on the edges of two sides of the half-mold frame (2), and when the first hinge frame (3) and the second hinge frame (4) rotate oppositely, the first hinge frame (3) and the second hinge frame (4) are partially overlapped and jointly fix two packaging films; each film pressing mechanism further comprises a positioning assembly (5) for aligning the edges of the two packaging films.

2. The automatic screw packaging machine according to claim 1, characterized in that: one side of each first hinge frame (3) facing to the adjacent first hinge frame (3) is connected with a first connecting rod (33), and the first connecting rod (33) is provided with a first negative pressure component (34) for adsorbing the packaging film; every second articulated frame (4) all is connected with second connecting rod (43) towards one side of adjacent second articulated frame (4), and second negative pressure part (44) that are used for adsorbing packaging film are installed to second connecting rod (43), and when first articulated frame (3) and second articulated frame (4) were close to each other, first negative pressure part (34) supported each other with second negative pressure part (44).

3. The automatic screw packaging machine according to claim 2, characterized in that: the first connecting rod (33) is provided with a through mounting hole, and the first negative pressure component (34) comprises a fixing column (341) which is fixedly inserted into the mounting hole and a stop block (342) which is movably mounted at one end part of the fixing column (341); the fixing column (341) is provided with a through negative pressure hole along the axis direction, the check block (342) is provided with a negative pressure hose (343), and the negative pressure hose (343) is normally opposite to the negative pressure hole.

4. The automatic screw packing machine according to claim 3, characterized in that: a plurality of first negative pressure components (34) are arranged, and a first fixing rod (344) is connected between the stop blocks (342) of every two adjacent first negative pressure components (34); one end of the second fixed rod (345) far away from the first fixed rod (344) is hinged to one of the first hinged frames (3);

a first magnetic ring is embedded on one side, facing the fixing column (341), of each stop block (342), and the first magnetic ring is located on the outer peripheral side of the negative pressure hose (343); and a second magnetic ring is embedded in each fixing column (341), the second magnetic ring is positioned on the outer peripheral side of the negative pressure hole, and when the stop dog (342) abuts against the fixing column (341), the first magnetic ring and the second magnetic ring are magnetically attracted.

5. The automatic screw packaging machine according to claim 2, characterized in that: the first connecting rod (33) is provided with a through mounting hole, the first negative pressure component (34) comprises a fixing column (341) which is inserted and fixed in the mounting hole and a negative pressure ball (346) connected to the fixing column (341), the fixing column (341) is provided with a through negative pressure hole along the axis direction of the fixing column, and the negative pressure ball (346) is communicated with the negative pressure hole; the first negative pressure component (34) is provided with a plurality of negative pressure balls (346), and a linkage assembly (7) for forcing the negative pressure balls (346) to exhaust and contract is commonly installed among all the negative pressure balls (346).

6. The automatic screw packaging machine according to claim 5, characterized in that: the linkage assembly (7) comprises a ring-shaped plate (71) and a moving block (72), the ring-shaped plate (71) is erected on the first hinge frame (3), and all negative pressure balls (346) are installed inside the ring-shaped plate (71) together; the inner wall of the annular plate (71) is provided with a plurality of radial through movable grooves, and each movable groove is movably provided with an extrusion block (711); two moving blocks (72) are arranged, and the two moving blocks (72) are arranged on the outer periphery of the annular plate (71) in a surrounding mode; a sliding rod (73) is connected between the two moving blocks (72) in a penetrating mode, a first elastic piece (74) is sleeved on the outer side of the sliding rod (73), and the first elastic piece (74) is located between the two moving blocks (72); when the two moving blocks (72) move towards each other to abut against each other, each pressing block (711) partially enters the annular plate (71) and presses the respective negative pressure ball (346) together.

7. The automatic screw packing machine according to claim 1, wherein: the first hinge frame (3) comprises a first hinge plate (31) hinged to the half mold frame (2) and a first connecting plate (32) fixed to one side, away from the half mold frame (2), of the first hinge plate (31), and two first connecting plates (32) of the two groups of film pressing mechanisms are detachably connected; the second hinge frame (4) comprises a second hinge plate (41) hinged to the half mold frame (2) and a second connecting plate (42) fixed to one side, away from the half mold frame (2), of the second hinge plate (41), and the two second connecting plates (42) of the two sets of film pressing mechanisms are detachably connected;

the positioning assembly (5) comprises two side baffles (51), one side baffle (51) is connected to one side of the first hinge plate (31) facing the adjacent first hinge plate (31), and the other side baffle (51) is connected to one side of the second hinge plate (41) facing the adjacent second hinge plate (41); two adjacent side baffles (51) of the two sets of film pressing mechanisms jointly form a positioning area for positioning the packaging film.

8. The automatic screw packaging machine according to claim 7, characterized in that: the side baffle (51) comprises a first limiting part (511), a connecting part (512) and a second limiting part (513) which are sequentially connected, and the first limiting part (511) and the second limiting part (513) are arranged in parallel to limit the packaging film together; an extension part (514) is arranged on the outer side of the connecting part (512), and one side of the extension part (514) far away from the connecting part (512) is connected to the adjacent first hinge plate (31)/the adjacent second hinge plate (41).

9. The automatic screw packing machine according to claim 8, wherein: one side of the extension part (514) far away from the connecting part (512) is connected with the adjacent first hinge plate (31)/the adjacent second hinge plate (41) in a sliding way; a shearing assembly (6) is arranged on the outer side of the connecting part (512), the shearing assembly (6) comprises a substrate (61) fixed on the outer side of the connecting part (512) and a cutting plate (62) connected to the outer side of the connecting part (512) in a sliding manner, and a cutting edge part (621) is arranged on one side, facing the substrate (61), of the cutting plate (62); a second elastic piece (63) is arranged between the cutting plate (62) and the base plate (61), and the second elastic piece (63) is in a normal state of compression.

10. The automatic screw packing machine according to any one of claims 1 to 9, characterized in that: magnetic parts (8) are fixed on the opposite sides of the two groups of half mold frames (2), the opposite sides of the two groups of first hinged frames (3) and the opposite sides of the two groups of second hinged frames (4), and every two adjacent magnetic parts (8) are magnetically attracted.