CN213566615U - Film binding machine - Google Patents

Abstract

The utility model provides a film binding machine, which solves the technical problems that the film supply device of the prior film binding machine has low reliability and frequently skids, the film supply device comprises a bearing and an elastic plate, the bearing is internally and fixedly sleeved on a driven rotating shaft, one end of the driven rotating shaft passes through a film roll fixing disc and extends out, and the other end of the driven rotating shaft is coaxially and fixedly connected with a brake wheel; the brake wheel is provided with an annular groove, and an annular thin rubber strip is fixedly sleeved in the annular groove; one end of the elastic plate is hinged with the support frame, and the other end of the elastic plate is connected with the spring; the elastic plates are arranged at one side of the brake wheel at intervals, arc-shaped notches are arranged on the elastic plates, and the arc-shaped notches are opposite to the annular thin rubber strips; the cylinder and the spring are oppositely arranged on two sides of the elastic plate; the piston rod of the cylinder and the spring drive the elastic plate to rotate around the fixed shaft together, so that the arc-shaped gap is close to and pressed or separated from the annular thin rubber strip to be loosened, the locking or loosening action of the brake wheel is completed, and the film binding machine can be widely applied to the technical field of film binding machines.

Description

Film binding machine

Technical Field

The utility model relates to a film strapper technical field, in particular to film strapper.

Background

It is known that, in the traditional industries of medicine, food and the like, for the convenience of use and transportation of products, a plurality of small box-packaged products are usually packaged in a middle box and then are boxed and delivered. The packaging method needs to use a large amount of middle boxes, wastes raw materials and has high production cost of products. With the continuous advancement of technology, film binding machines have appeared on the market, which can use film to bind a plurality of small box products. The film roll on the film supply device of the prior film binding machine has low film output or pause reliability, and often has a slipping phenomenon, which needs to be solved.

Disclosure of Invention

The utility model aims at solving the technical defects and providing a film binding machine.

Therefore, the utility model provides a film binding machine, it is equipped with horizontal table, support frame, film feeding device. The film supply device is provided with a film roll mounting device and a locking and loosening device; the film roll mounting device is provided with a bearing, a driven rotating shaft, a film roll fixing disc and a brake wheel, wherein the bearing is fixedly connected with the support frame through a bearing seat, the bearing is internally and fixedly sleeved on the driven rotating shaft, one end of the driven rotating shaft penetrates through the film roll fixing disc and extends out, the driven rotating shaft is fixedly connected with the film roll fixing disc, and the other end of the driven rotating shaft is coaxially and fixedly connected with the brake wheel; an annular groove is formed in the circumferential surface of the brake wheel, and an annular thin rubber strip is fixedly sleeved in the annular groove. The locking and releasing device is provided with an air cylinder, an elastic plate, a spring and a fixed shaft, one end of the elastic plate is hinged with the support frame through the fixed shaft, the other end of the elastic plate is connected with one end of the spring, and the other end of the spring is connected with the support frame; the elastic plates are arranged on one sides of the brake wheels at intervals, arc-shaped notches are formed in the elastic plates, and the arc-shaped notches are opposite to the annular thin rubber strips; the cylinder body and the support frame fixed connection of cylinder, spring set up respectively in the left and right sides of take-up unit, and the piston rod of cylinder sets up with the spring is relative. The piston rod end of the cylinder is provided with a buffer block, and the buffer block is opposite to the elastic plate. The piston rod of the cylinder moves back and forth to drive the spring to pull the elastic plate to rotate around the fixed shaft, so that the arc-shaped gap of the elastic plate is close to and pressed or separated from the annular thin rubber strip for loosening the brake wheel, and the locking or loosening action of the brake wheel is completed.

Preferably, the film roll fixing disc is of a disc-shaped structure and is arranged coaxially with the driven rotating shaft.

Preferably, the buffer blocks are made of rubber materials.

Preferably, the cylinder is a single-acting cylinder.

Preferably, the elastic plate is provided with a blind hole, and one end of the spring is inserted into the blind hole and fixedly connected with the blind hole.

Preferably, the cylinder and the arc-shaped notch are arranged on the same side of the elastic plate, and the spring is arranged on the other side of the elastic plate.

Preferably, a piston rod of the air cylinder is arranged opposite to the spring.

Preferably, the fixed shaft is provided with a fixed part, a grid blocking part and a rotating part which are coaxially and sequentially connected, the fixed part is fixedly connected with the support frame, the circumferential sizes of the fixed part and the rotating part are smaller than those of the grid blocking part, the rotating part is of a cylindrical structure, the rotating part penetrates through the elastic plate and extends out, and the rotating part is in sliding friction connection with the elastic plate; the circumference of the rotating part extending out of the elastic plate is provided with an annular clamping groove, the annular clamping groove is internally detachably matched and connected with a limiting clamp, the limiting clamp is of a semicircular annular structure, and the elastic plate is limited on the rotating part by the limiting clamp.

Any one of the above film binding machines, the utility model discloses still be equipped with intelligent control system, clock module, button module, intelligent control system is equipped with intelligent control device, and intelligent control device is connected with the solenoid valve of clock module, button module, cylinder respectively through control scheme.

The utility model has the advantages that: the utility model provides a film binding machine, it is equipped with horizontal table, support frame, film feeding device. The film supply device is provided with a film roll mounting device and a locking and loosening device, the film roll mounting device is provided with a bearing, a driven rotating shaft, a film roll fixing disc and a brake wheel, and the locking and loosening device is provided with an air cylinder, an elastic plate, a spring and a fixing shaft. On one hand, an annular groove is formed in the circumferential surface of the brake wheel, an annular thin rubber strip is fixedly sleeved in the annular groove, and the annular thin rubber strip increases friction force; on the other hand, the arc-shaped notch is formed in the elastic plate and is just opposite to the annular thin rubber strip, when the arc-shaped notch of the elastic plate is close to and tightly presses the annular thin rubber strip, the contact area between the arc-shaped notch and the annular thin rubber strip is increased through the arc-shaped notch design, the locking state of the brake wheel is more stable and reliable, and personal safety of operators is protected.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the perspective view shown in FIG. 1;

FIG. 3 is a schematic view showing the structure of a film supplying apparatus mounted on a supporting frame;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic structural view of a perspective view of the film supply apparatus;

FIG. 6 is a schematic structural view in perspective of the take-up plate with the stationary shaft attached thereto;

FIG. 7 is a schematic block diagram of a perspective view of the alternate viewing angle shown in FIG. 6;

FIG. 8 is a schematic structural view of a perspective view of a stationary shaft;

FIG. 9 is a schematic structural view of a perspective view of a position limiting clip;

fig. 10 is a schematic structural diagram of the intelligent control system of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

As shown in fig. 1 to 5, the present invention provides a film binding machine including a horizontal table 1, a support frame 2, and a film supply device 3. The utility model discloses film feeding device 3 is equipped with film and rolls up installation device and locking and loosen the device.

Film book installation device is equipped with bearing 4, driven rotating shaft 5, film book fixed disk 6, brake wheel 7, and bearing 4 passes through bearing frame 41 and support frame 2 fixed connection, and fixed cover is established on driven rotating shaft 5 in the bearing 4, and driven rotating shaft 5's one end is passed film book fixed disk 6 and is stretched out, and driven rotating shaft 5 and film book fixed disk 6 fixed connection, driven rotating shaft 5's the other end and the coaxial fixed connection of brake wheel 7. An annular groove 71 is formed in the circumferential surface of the brake wheel 7, an annular thin rubber strip 72 is fixedly sleeved in the annular groove 71, and the annular thin rubber strip 72 mainly has two functions, namely, on one hand, the friction force is increased, so that the locking state of the brake wheel 7 is more stable and reliable, and the personal safety of operators is protected; and on the other hand, the instant stress is buffered, so that parts are protected from being damaged, and the equipment purchase and maintenance cost is reduced.

The locking and loosening device is provided with a cylinder 8, a loosening and loosening plate 9, a spring 10 and a fixing shaft 11, one end of the loosening and loosening plate 9 is hinged with the support frame 2 through the fixing shaft 11, the other end of the loosening and loosening plate 9 is connected with one end of the spring 10, and the other end of the spring 10 is connected with the support frame 2. 9 intervals of take-up plate set up in one side of brake wheel 7, arc breach 91 has been seted up on the take-up plate 9, and arc breach 91 is just to cyclic annular thin adhesive tape 72, and when the arc breach 91 of take-up plate 9 was close to when compressing tightly cyclic annular thin adhesive tape 72, arc breach 91 design has increased area of contact between the two, increases frictional force, makes the locking state of brake wheel 7 more stable and reliable, protection operating personnel's personal safety, as preferred embodiment, the shape of arc breach 91 with the shape looks adaptation of cyclic annular thin adhesive tape 72. Cylinder 8's cylinder body and 2 fixed connection of support frame, cylinder 8, spring 10 set up respectively in the left and right sides of take-up plate 9, and cylinder 8's piston rod sets up with spring 10 relatively, sets up respectively at the technical scheme (two power are applyed to the same side of take-up plate 9 promptly) with one side of take-up plate 9 with cylinder 8, spring 10 and compares, the utility model discloses set up cylinder 8, spring 10 respectively in the left and right sides of take-up plate 9, apply two power that the direction is relative to the side of two about the take-up plate 9 promptly, make the take-up plate 9 be difficult for the stress damage of bending, as preferred, cylinder 8's piston rod is just to setting up with spring 10, and effectual protection take-up plate 9 does not receive external force damage. The end part of the piston rod of the air cylinder 8 is provided with a buffer block 81, the buffer block 81 is opposite to the elastic plate 9, and the impact of the piston rod of the air cylinder 8 on the elastic plate 9 every time is buffered. The piston rod of the cylinder 8 moves back and forth to drive the spring 10 to pull the elastic plate 9 to rotate around the fixed shaft 11, so that the arc-shaped notch 91 of the elastic plate 9 is close to and pressed or separated from the annular thin rubber strip 72 of the brake wheel 7 to be loosened, and the locking or loosening action of the brake wheel 7 is completed.

The utility model discloses a theory of operation does: as shown in fig. 4 and 5, under the action of the cylinder 8, the piston rod of the cylinder 8 pushes the take-up pulley 9 to rotate around the fixed shaft 11 (the spring 10 is in a gradually compressed state), so that the arc-shaped notch 91 of the take-up pulley 9 is separated from the annular thin rubber strip 72 for loosening the brake wheel 7, the failure of the locked state of the brake wheel 7 is realized, the film roll fixing disc 6 and the driven rotating shaft 5 rotate, the film roll arranged on the film roll fixing disc 6 rotates to lead out a film outwards, and the film enters a bundling groove of the film bundling machine; under the action of the cylinder 8, a piston rod of the cylinder 8 retracts, the spring 10 gradually expands to push the elastic plate 9 to rotate around the fixed shaft 11, the arc-shaped notch 91 of the elastic plate 9 is close to the annular thin rubber strip 72 compressing the brake wheel 7, the brake wheel 7 is in a locking state, the film roll fixing disc 6 and the driven rotating shaft 5 stop rotating, the film roll arranged on the film roll fixing disc 6 stops rotating, and during the period, the film in the bundling groove performs operations such as film pressing, heat sealing and bundling on the packaging box. Throughout the process, the spring 10 is in compression.

In a preferred embodiment, as shown in fig. 4, the cylinder 8 and the arc-shaped notch 91 are disposed on the same side of the elastic plate 9, and the spring 10 is disposed on the other side of the elastic plate 9. When the piston rod of the cylinder 8 is not in contact with the tension plate 9, under the action of the elastic force of the spring 10, the arc-shaped notch 91 of the tension plate 9 is always pressed against the annular thin rubber strip 72 of the brake wheel 7, so that the brake wheel 7 is always in a locking state, on one hand, the utility model is ensured to be safer and more reliable, and the personal safety of operators is ensured, on the other hand, compared with the technical scheme that the spring 10 and the arc-shaped notch 91 are arranged at the same side of the tension plate 9, and the cylinder 8 is arranged at the other side of the tension plate 9, the piston rod of the cylinder 8 of the utility model is not required to be absolutely fixedly connected with the tension plate 9, and the spring 10 is not required to be absolutely fixedly connected with the tension plate 9, so that the piston rod of the cylinder 8 can move back and forth to drive the spring 10 to pull the tension plate 9 to rotate around the fixed shaft 11 more, greatly prolongs the service life of the equipment and reduces the maintenance cost. When the piston rod of the cylinder 8 is gradually extended and approaches to the elastic plate 9, and further pushes the elastic plate 9 to compress the length of the spring 10, the arc-shaped notch 91 of the elastic plate 9 is separated from the annular thin rubber strip 72 of the brake wheel 7, and the loosening action of the brake wheel 7 is completed.

As a preferred embodiment, the film roll fixing disc 6 is of a disc-shaped structure and is arranged coaxially with the driven rotating shaft 5; the shape of the film roll fixing disc 6 is similar to the shape of the film roll, the film roll fixing disc 6 and the driven rotating shaft 5 are coaxial, and when the film roll fixing disc 6 rotates, a film is more stably led out of the film roll, so that the film roll is more stably controlled and tensioned, and the film roll fixing disc is safe and reliable.

As a preferred embodiment, as a further preferred embodiment, the buffer blocks 81 are made of rubber material, and the rubber has high elasticity and is a good buffer material.

As a preferred embodiment, the air cylinder 8 is a single-acting air cylinder 8, the structure is simple, the function is reliable, and the single-acting air cylinder 8 is reset by the elastic force of the spring 10.

As a preferred embodiment, as shown in fig. 7, the elastic plate 9 is provided with a blind hole 92, one end of the spring 10 is inserted into the blind hole 92 for fixed connection, and the blind hole 92 enables the spring 10 and the elastic plate 9 to be connected more firmly and not to be loosened easily.

As a preferred embodiment, as shown in fig. 6 to 9, the fixed shaft 11 is provided with a fixed part 111, a stopper part 112, and a rotating part 113 which are coaxially and sequentially connected, the fixed part 111 is fixedly connected to the support frame 2, the fixed part 111 and the rotating part 113 are both smaller in circumferential dimension than the stopper part 112, and the stopper part 112 separates the support frame 2 from the tension plate 9. The rotating part 113 is cylindrical, the rotating part 113 penetrates through the elastic plate 9 and extends out, the rotating part 113 is in sliding friction connection with the elastic plate 9, and when the elastic plate 9 rotates around the fixed shaft 11, the rotating part 113 is in sliding friction connection with the elastic plate 9. The circumference of the rotating part 113 extending out of the elastic plate 9 is provided with an annular clamping groove 1131, the annular clamping groove 1131 is internally provided with a limit clamp 12 in a detachable adaptive connection mode, the limit clamp 12 is of a semicircular annular plate type structure and is inserted into the annular clamping groove 1131 to limit the elastic plate 9 on the rotating part 113, and the elastic plate 9 is prevented from loosening from the rotating part 113.

As shown in fig. 6, in order to realize automatic control, the utility model is further provided with an intelligent control system, a clock module 13 and a key module 14, the intelligent control system is provided with an intelligent control device 15, and the intelligent control device 15 can be a PLC, i.e. a programmable logic controller; the clock module 13 may be a DS1302 clock module 13; the key module 14 includes a keyboard through which program programming is input to the intelligent control device 15. The intelligent control device 15 is respectively connected with the clock module 13, the key module 14 and the electromagnetic valve of the air cylinder 8 through control circuits. The clock module 13 provides clock signals to the intelligent control device 15 through the control line, after the intelligent control device 15 receives the clock signals, according to different clock signals and according to programming design, corresponding instructions are sent to the electromagnetic valve of the air cylinder 8 through the control line, the electromagnetic valve of the air cylinder 8 performs corresponding actions after receiving the instructions, so that automatic control over the piston rod of the air cylinder 8 is achieved, the piston rod of the air cylinder 8 moves back and forth to jointly drive the spring 10 to pull the elastic plate 9 to rotate around the fixed shaft 11, and finally automatic control over film supply in the film binding machine is achieved. The utility model discloses still be equipped with power module, power module gives devices such as clock module 13, button module 14, intelligent control device 15, cylinder 8's solenoid valve power supply.

The utility model discloses still be equipped with feed arrangement 19, blevile of push 16, scald sword device 17, press the box to press devices such as membrane device 18, it can be prior art, because not the invention point of the technical problem that this application will solve, no longer describe here any more.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims (9)

1. A film binding machine is provided with a horizontal workbench (1), a support frame (2) and a film supply device (3), and is characterized in that the film supply device (3) is provided with a film roll mounting device and a locking and releasing device; the film roll mounting device is provided with a bearing (4), a driven rotating shaft (5), a film roll fixing disc (6) and a brake wheel (7), wherein the bearing (4) is fixedly connected with the support frame (2) through a bearing seat (41), the bearing (4) is internally and fixedly sleeved on the driven rotating shaft (5), one end of the driven rotating shaft (5) penetrates through the film roll fixing disc (6) and extends out, the driven rotating shaft (5) is fixedly connected with the film roll fixing disc (6), and the other end of the driven rotating shaft (5) is coaxially and fixedly connected with the brake wheel (7); an annular groove (71) is formed in the circumferential surface of the brake wheel (7), and an annular thin rubber strip (72) is fixedly sleeved in the annular groove (71); the locking and releasing device is provided with a cylinder (8), an elastic plate (9), a spring (10) and a fixed shaft (11), one end of the elastic plate (9) is hinged with the support frame (2) through the fixed shaft (11), the other end of the elastic plate (9) is connected with one end of the spring (10), and the other end of the spring (10) is connected with the support frame (2); the elastic plate (9) is arranged on one side of the brake wheel (7) at intervals, an arc-shaped notch (91) is formed in the elastic plate (9), and the arc-shaped notch (91) is opposite to the annular thin rubber strip (72); the cylinder body of the cylinder (8) is fixedly connected with the support frame (2), the cylinder (8) and the spring (10) are respectively arranged on the left side and the right side of the elastic plate (9), and the piston rod of the cylinder (8) is arranged opposite to the spring (10); the end part of a piston rod of the air cylinder (8) is connected with a buffer block (81), and the buffer block (81) is opposite to the elastic plate (9); the piston rod of cylinder (8) with spring (10) drive jointly take turns around take-up plate (9) fixed axle (11) are rotated, realize arc breach (91) of take-up plate (9) are close to compress tightly or break away from and loosen brake wheel (7) cyclic annular thin adhesive tape (72), accomplish the locking or the action of relaxing of brake wheel (7).

2. The film binding machine according to claim 1, characterized in that the cylinder (8) and the arcuate recess (91) are arranged on the same side of the tension plate (9), and the spring (10) is arranged on the other side of the tension plate (9).

3. The film strapping apparatus as claimed in claim 1, characterized in that the piston rod of the cylinder (8) is arranged opposite the spring (10).

4. The film binding machine according to claim 1, wherein the film roll holding tray (6) has a disk-like structure and is disposed coaxially with the driven rotary shaft (5).

5. The film binding machine according to claim 1, characterized in that the buffer blocks (81) are made of rubber material.

6. A film strapping apparatus as claimed in claim 1, characterized in that the cylinder (8) is a single-acting cylinder.

7. The film binding machine according to claim 1, characterized in that the tension plate (9) is provided with a blind hole (92), and one end of the spring (10) is inserted into the blind hole (92) and fixedly connected with the blind hole.

8. The film binding machine according to claim 1, characterized in that the fixed shaft (11) is provided with a fixed part (111), a grid part (112) and a rotating part (113) which are coaxially connected in sequence, the fixed part (111) is fixedly connected with the support frame (2), the circumferential dimensions of the fixed part (111) and the rotating part (113) are smaller than those of the grid part (112), the rotating part (113) is of a cylindrical structure, the rotating part (113) penetrates through the tension plate (9) and extends out, and the rotating part (113) is in sliding friction connection with the tension plate (9); stretch out take-up plate (9) ring groove (1131) have been seted up on the circumference of rotation portion (113), detachable adaptation connection is equipped with spacing card (12) in ring groove (1131), spacing card (12) are semi-circular ring structure, spacing card (12) will take-up plate (9) are spacing in on rotation portion (113).

9. The film binding machine according to any one of claims 1-8, characterized in that an intelligent control system, a clock module (13) and a key module (14) are further provided, the intelligent control system is provided with an intelligent control device (15), and the intelligent control device (15) is respectively connected with the clock module (13), the key module (14) and the solenoid valve of the air cylinder (8) through control lines.

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