CN217345851U

CN217345851U - PP-PET packing belt pressing and cutting mechanism

Info

Publication number: CN217345851U
Application number: CN202220256921.4U
Authority: CN
Inventors: 吴天伟; 王辉
Original assignee: Otis Packaging Machinery Shanghai Co ltd
Current assignee: Otis Packaging Machinery Shanghai Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-09-02
Anticipated expiration: 2032-02-08

Abstract

The utility model discloses a PP-PET packing belt compresses tightly and cuts belting mechanism, including plane cam mechanism, flexible supporting plate mechanism, front and back pushing down mechanism and pushing down die-cutting mechanism, plane cam mechanism is driven by driving motor, plane cam mechanism includes main shaft drive assembly, cam assembly and fixed plate, main shaft drive assembly is used for driving cam assembly to move, main shaft drive assembly includes connecting rod, spacer bush, worm, wherein the connecting rod is connected to the main shaft end of driving motor, the connecting rod is equipped with spacer bush, worm; the cam assembly is installed on one side of the fixing plate and comprises a driven shaft, a worm wheel, a baffle, a first cam, a second cam, a bearing fixing ring and a cam sensing component, the bearing fixing ring is fixed at the end part of the fixing plate, and the inner side of the bearing fixing ring is connected with the driven shaft through a bearing. The utility model provides high current PP-PET belt cutting mechanism productivity and life reduce the consumptive material disability rate, improve consumptive material in mechanical mechanism's contact surface, prevent that the packing area from sliding and running.

Description

PP-PET packing belt pressing and cutting mechanism

Technical Field

The utility model relates to a packing area is cut the area field, specifically is a PP-PET packing area compresses tightly surely belting and constructs.

Background

The packing belt is also called a strapping belt. The packing belt (bundling belt) for packing is made up by using polyethylene, polypropylene resin and cold-rolled steel strip as main raw material, and also using nylon and polyester as raw material through the processes of extrusion, unidirectional drawing and heat treatment bluing. The method is used for packing the pipes in steel structure enterprises except for the case sealing and bundling of corrugated cartons, the hot rolled steel coil bundling and the cold rolled steel coil bundling.

The packing area need cut the area work to it in production and subsequent handling, and the hard extrusion formula location of present market mainly adopts two roller faces to cut the belting, and life shortens, easily damages to cause mechanical mechanism unstability moreover, causes the packing consumptive material damage to lead to the maintenance cost to increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PP-PET packing area compresses tightly surely takes mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PP-PET packing belt pressing and cutting mechanism comprises a plane cam mechanism, a telescopic supporting plate mechanism, a front and back pressing mechanism and a pressing and punching mechanism, wherein the plane cam mechanism is driven by a driving motor and comprises a main shaft driving assembly, a cam assembly and a fixing plate, the main shaft driving assembly is used for driving the cam assembly to operate and comprises a connecting rod, a spacer bush and a worm, the connecting rod is connected to the main shaft end of the driving motor, and the spacer bush and the worm are arranged on the connecting rod; the cam assembly is arranged on one side of the fixing plate and comprises a driven shaft, a worm wheel, a baffle, a first cam, a second cam, a bearing fixing ring and a cam sensing component, the bearing fixing ring is fixed at the end part of the fixing plate, and the inner side of the bearing fixing ring is connected with the driven shaft through a bearing; the driven shaft is sleeved with a worm wheel, a baffle, a first cam and a second cam, wherein the worm wheel is arranged at the front end of the driven shaft and is meshed with the worm; the first cam is arranged at the middle end of the driven shaft, the first cam is a double-piece cam, and the first cam is separated from the worm gear through a baffle; the second cam is arranged at the rear end of the driven shaft, and the first cam, the second cam and the telescopic supporting plate mechanism are matched with the front and back pressing mechanism and the pressing and punching mechanism. The cam induction component is arranged on one side of the bearing fixing ring and comprises a cam time sequence induction sheet, a cam time sequence proximity sensor and a mechanism origin induction sheet, and the plane cam mechanism acquires a proximity signal and a cam time sequence position and resets the origin based on the cam induction component. The cam mechanism consists of a driving motor spindle component, a worm gear component and a plane cam component, the rotating speed of the motor is changed by utilizing the differential speed characteristic of the worm gear to obtain reasonable output rotating speed, the timing sequence position and the original point of the cam are reset, and signals are acquired by adopting an induction sheet and a proximity sensor.

Preferably, the telescopic support plate mechanism comprises a roller connecting rod, a chain, a guide pillar, a support block, a telescopic plate, a cushion block and a chain wheel, the roller connecting rod is pivotally connected to the end part of the first cam, and the chain is arranged at the lower end of the roller connecting rod; the two supporting blocks are arranged on the plane, the inner sides of the two supporting blocks are provided with telescopic plates, the front ends of the telescopic plates are provided with cushion blocks, and the rear ends of the telescopic plates are connected with fixing blocks; the rear end of the fixing block is provided with a mounting hole, a guide pillar is arranged inside the mounting hole, a spring is sleeved on the guide pillar, the tail end of the guide pillar is connected with a fixing seat, and the inner side of the fixing seat is connected with a chain wheel through a shaft rod; the end of the chain extends to the inner side of the fixing seat through an opening in the upper part of the fixing seat, the chain is meshed with the chain wheel, and the free end of the chain is connected to the fixing block. The telescopic supporting plate mechanism drives a roller connecting rod to form a lifting action by a second cam and a jacking component, the connecting rod drives a chain, and a rotating point adopts a chain wheel as a fulcrum.

Preferably, the end face of the cushion block is provided with a diamond knurl for preventing the displacement of the consumable of the packing belt.

Preferably, the front and rear pressing mechanisms comprise tension spring structural members, a guide block, a first auxiliary connecting rod, a second auxiliary connecting rod, an adjusting screw cap, a front and rear pressing block, an anti-over-position guide rod and a pressing assembly, wherein the adjusting screw cap is arranged at the front end of the guide block, the adjusting screw cap and the guide block are provided with through holes, the anti-over-position guide rod is arranged at the inner side of the through hole, and the anti-over-position guide rod is a guide rod with controllable ejection force by adopting a compression spring; the guide block is provided with a mounting seat through a connecting block, the mounting seat is connected with a tension spring structural member, and the position of the guide rod is restored through the elasticity of the tension spring structural member; the first auxiliary connecting rod and the second auxiliary connecting rod are connected to the lower end of the guide block, the first auxiliary connecting rod and the second auxiliary connecting rod are correspondingly matched with the first cam and the second cam respectively, the first cam and the second cam are driven to perform actions along with the driven shaft, the pressing component is driven to perform pressing actions, and the pressing punching mechanism is mounted at the tail end of the pressing component. The press-down punching mechanism is completed by adopting a high-low falling mode, and the first cam pushes the roller and the swing rod to generate press-down action. The front and back pressing mechanism drives the guide rod through the first cam part jacking roller, and the guide rod adopts a compression spring to realize controllable ejection force to prevent over-position. And the position recovery adopts a tension spring to recover. The first auxiliary connecting rod and the second auxiliary connecting rod respectively pull the front and rear pressing components (the pressing block and the guide rod). Wherein the first secondary link acts on the first cam. The second secondary connecting rod executes actions for the second cam, and the actions of the two pressing mechanisms and the pressing punching mechanism generate mechanical association action.

Preferably, the pushing assembly comprises a pressing block, the pressing block is higher than the punching cutter component, the pressing block consists of a guide rod, a compression spring, an adjusting pressing block and a connecting block, and the end face of the pressing block is provided with a strip-shaped triangular knurl. The adjustable pressing block is adopted to change the lower pressure of the compression spring in a flexible pressing mode, overpressure and pressing are prevented from being not in place, rigid mechanism interference caused by height drop due to cutting of the punching knife is also prevented, and the mechanical action telescopic support is retracted after the completion.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides high market current PP-PET belt cutting mechanism productivity and life reduce the consumptive material disability rate. The contact surface of consumables in a mechanical mechanism is improved, the packing belt is prevented from sliding and running, namely, a plane cam is matched with a spring mechanism to generate a jacking mechanism principle, a connecting rod is pushed to press down forwards and backwards to compress, then a compression and punching mechanism moves by adopting a high-low drop elastic mechanism to perform punching processing, and the phenomenon that the sliding and running of the PP-PET belt is caused by the self-owned smooth finish can be prevented.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a diagram illustrating a plane cam mechanism according to the present invention;

fig. 3 is a diagram of the telescopic supporting plate mechanism, the front and back pressing mechanism and the pressing and punching mechanism of the utility model.

In the figure: 1. a connecting rod; 2. a worm; 3. a fixing plate; 4. a driven shaft; 5. a worm gear; 6. a baffle plate; 7. a first cam; 8. a second cam; 9. a bearing fixing ring; 10. a cam timing sensing sheet; 11. a cam timing proximity sensor; 12. a mechanism origin induction sheet; 13. a roller link; 14. a chain; 15. a guide post; 16. a supporting block; 17. a retractable plate; 18. cushion blocks; 19. a sprocket; 20. a fixed block; 21. a fixed seat; 22. a tension spring structural member; 23. a guide block; 24. a first secondary link; 25. a second secondary link; 26. adjusting a screw cap; 27. front and rear lower pressing blocks; 28. an anti-over-position guide rod; 29. the assembly is pressed down.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a PP-PET packing belt pressing and cutting mechanism comprises a plane cam mechanism, a telescopic supporting plate mechanism, a front pressing mechanism, a rear pressing mechanism and a pressing and punching mechanism, wherein the plane cam mechanism is driven by a driving motor and comprises a main shaft driving assembly, a cam assembly and a fixing plate 3, the main shaft driving assembly is used for driving the cam assembly to operate and comprises a connecting rod 1, a spacer bush and a worm 2, the connecting rod 1 is connected to the main shaft end of the driving motor, and the spacer bush and the worm 2 are arranged on the connecting rod 1; the cam component is arranged on one side of the fixed plate 3 and comprises a driven shaft 4, a worm wheel 5, a baffle 6, a first cam 7, a second cam 8, a bearing fixing ring 9 and a cam sensing component, the bearing fixing ring 9 is fixed at the end part of the fixed plate 3, and the inner side of the bearing fixing ring 9 is connected with the driven shaft 4 through a bearing; the driven shaft 4 is sleeved with a worm wheel 5, a baffle 6, a first cam 7 and a second cam 8, wherein the worm wheel 5 is arranged at the front end of the driven shaft 4, and the worm wheel 5 is meshed with the worm 2; the first cam 7 is arranged at the middle end of the driven shaft 4, the first cam 7 is a double-plate cam, and the first cam 7 is separated from the worm wheel 5 through a baffle 6; the second cam 8 is arranged at the rear end of the driven shaft 4, and the first cam 7 and the second cam 8 are matched with the telescopic supporting plate mechanism, the front and rear pressing mechanism and the pressing and punching mechanism. The cam induction part is arranged on one side of the bearing fixing ring 9 and comprises a cam time sequence induction sheet 10, a cam time sequence proximity sensor 11 and a mechanism original point induction sheet 12, and the plane cam mechanism carries out proximity signal acquisition, cam time sequence position acquisition and original point reset on the basis of the cam induction part. The cam mechanism consists of a driving motor spindle component, a worm wheel 5 and worm 2 component and a plane cam component, the rotating speed of the motor is changed by utilizing the differential characteristic of the worm wheel 5 and the worm 2 to obtain reasonable output rotating speed, the timing sequence position and the original point of the cam are reset, and the signal acquisition is realized by adopting an induction sheet and a proximity sensor.

In the embodiment, the telescopic support plate mechanism comprises a roller link 13, a chain 14, a guide post 15, a support block 16, a telescopic plate 17, a cushion block 18 and a chain wheel 19, wherein the roller link 13 is pivotally connected to the end part of the first cam 7, and the lower end of the roller link 13 is provided with the chain 14; the number of the supporting blocks 16 is two, the two supporting blocks are arranged on a plane, the inner sides of the two supporting blocks 16 are provided with telescopic plates 17, the front ends of the telescopic plates 17 are provided with cushion blocks 18, and the rear ends of the telescopic plates 17 are connected with fixing blocks 20; the rear end of the fixing block 20 is provided with a mounting hole, a guide pillar 15 is arranged inside the mounting hole, a spring is sleeved on the guide pillar 15, the tail end of the guide pillar 15 is connected with a fixing seat 21, and the inner side of the fixing seat 21 is connected with a chain wheel 19 through a shaft rod; the end of the chain 14 extends to the inside of the fixed seat 21 through the opening at the upper part of the fixed seat 21, the chain 14 is meshed with the chain wheel 19, and the free end of the chain 14 is connected to the fixed block 20. The end surface of the cushion block 18 is provided with a diamond knurl for preventing the displacement of the consumable of the packing belt. The telescopic supporting plate mechanism is formed by driving a roller connecting rod by a second cam 8 and a jacking component to form a lifting action, the connecting rod drives a chain 14, and a rotating point adopts a chain wheel 19 as a fulcrum.

The front and back pressing mechanism comprises a tension spring structural part 22, a guide block 23, a first auxiliary connecting rod 24, a second auxiliary connecting rod 25, an adjusting screw cap 26, a front and back pressing block 27, an anti-over-position guide rod 28 and a pressing assembly 29, wherein the adjusting screw cap 26 is arranged at the front end of the guide block 23, through holes are formed in the adjusting screw cap 26 and the guide block 23, the anti-over-position guide rod 28 is arranged on the inner side of the through holes, and the anti-over-position guide rod 28 is a guide rod with controllable ejection force by adopting a compression spring; the guide block 23 is provided with a mounting seat through a connecting block, the mounting seat is connected with a tension spring structural part 22, and the position of the over-position preventing guide rod 28 is restored through the elasticity of the tension spring structural part 22; the first auxiliary connecting rod 24 and the second auxiliary connecting rod 25 are connected to the lower end of the guide block 23, the first auxiliary connecting rod 24 and the second auxiliary connecting rod 25 are correspondingly matched with the first cam 7 and the second cam 8 respectively, and when the first cam 7 and the second cam 8 rotate along with the driven shaft 4, the first auxiliary connecting rod 24 and the second auxiliary connecting rod 25 are driven to perform actions, the pressing component 29 is driven to perform pressing actions, and the tail end of the pressing component 29 is provided with a pressing punching mechanism. The pressing assembly comprises a pressing block, the pressing block is higher than the punching cutter component, the pressing block is composed of a guide rod, a compression spring, an adjusting pressing block and a connecting block, and the end face of the pressing block is provided with a strip triangular knurl. Adopt flexible mode of pushing down to adopt adjustable briquetting to change compression spring downforce, prevent that excessive pressure and pushing down not in place also cause the height drop to cause hard mechanism to interfere for die-cut sword cuts off, wait to accomplish above mechanical action telescopic support and withdraw.

In this embodiment, the front and rear pressing mechanism is driven by the first cam member jacking roller to drive the over-position preventing guide rod 28, and the over-position preventing guide rod 28 adopts a compression spring to realize controllable jacking force to prevent over-position. The position recovery adopts the extension spring to recover. The first auxiliary link 24 and the second auxiliary link 25 respectively pull the front and rear hold-down members 29. Wherein the first secondary link 24 acts for the first cam 7. The second secondary link 25 acts on the second cam 8, and the two pressing mechanism actions are mechanically linked with the pressing and punching mechanism.

It is worth noting that: the whole device realizes control over the device through the master control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior mature technology, and the electrical connection relation and the specific circuit structure of the device are not described any more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The PP-PET packing belt pressing and cutting mechanism is characterized by comprising a plane cam mechanism, a telescopic supporting plate mechanism, a front pressing mechanism, a rear pressing mechanism and a pressing and punching mechanism, wherein the plane cam mechanism is driven by a driving motor and comprises a main shaft driving assembly, a cam assembly and a fixing plate (3), the main shaft driving assembly is used for driving the cam assembly to operate and comprises a connecting rod (1), a spacer bush and a worm (2), the connecting rod (1) is connected to the main shaft end of the driving motor, and the spacer bush and the worm (2) are arranged on the connecting rod (1); the cam assembly is arranged on one side of the fixed plate (3), the cam assembly comprises a driven shaft (4), a worm wheel (5), a baffle (6), a first cam (7), a second cam (8), a bearing fixing ring (9) and a cam sensing component, the bearing fixing ring (9) is fixed at the end part of the fixed plate (3), and the inner side of the bearing fixing ring (9) is connected with the driven shaft (4) through a bearing; the driven shaft (4) is sleeved with a worm wheel (5), a baffle (6), a first cam (7) and a second cam (8), wherein the worm wheel (5) is arranged at the front end of the driven shaft (4), and the worm wheel (5) is meshed with the worm (2); the first cam (7) is arranged at the middle end of the driven shaft (4), the first cam (7) is a double-plate cam, and the first cam (7) is separated from the worm gear (5) through a baffle (6); the second cam (8) is arranged at the rear end of the driven shaft (4), and the first cam (7) and the second cam (8) are matched with the telescopic supporting plate mechanism, the front and back pressing mechanism and the pressing and punching mechanism.

2. The pressing and cutting mechanism for the PP-PET packing belt according to claim 1, characterized in that: the cam induction component is arranged on one side of the bearing fixing ring (9), the cam induction component comprises a cam time sequence induction sheet (10), a cam time sequence proximity sensor (11) and a mechanism origin induction sheet (12), and the plane cam mechanism carries out proximity signal acquisition and cam time sequence position acquisition and origin resetting based on the cam induction component.

3. The pressing and cutting mechanism for the PP-PET packing belt according to claim 1, wherein: the telescopic support plate mechanism comprises a roller connecting rod (13), a chain (14), a guide pillar (15), a support block (16), a telescopic plate (17), a cushion block (18) and a chain wheel (19), the roller connecting rod (13) is pivotally connected to the end part of the first cam (7), and the chain (14) is arranged at the lower end of the roller connecting rod (13); two supporting blocks (16) are arranged and are arranged on the plane, telescopic plates (17) are arranged on the inner sides of the two supporting blocks (16), cushion blocks (18) are arranged at the front ends of the telescopic plates (17), and fixing blocks (20) are connected to the rear ends of the telescopic plates (17); the rear end of the fixing block (20) is provided with a mounting hole, a guide pillar (15) is arranged inside the mounting hole, a spring is sleeved on the guide pillar (15), the tail end of the guide pillar (15) is connected with a fixed seat (21), and the inner side of the fixed seat (21) is connected with a chain wheel (19) through a shaft lever; the end part of the chain (14) extends to the inner side of the fixed seat (21) through an opening at the upper part of the fixed seat (21), the chain (14) is meshed with the chain wheel (19), and the free end of the chain (14) is connected to the fixed block (20).

4. The PP-PET packing belt pressing and cutting mechanism as claimed in claim 3, wherein: the end face of the cushion block (18) is provided with a diamond knurl for preventing the displacement of the consumable of the packing belt.

5. The pressing and cutting mechanism for the PP-PET packing belt according to claim 1, characterized in that: the front and rear pressing mechanism comprises a tension spring structural part (22), a guide block (23), a first auxiliary connecting rod (24), a second auxiliary connecting rod (25), an adjusting screw cap (26), a front and rear pressing block (27), an anti-over-position guide rod (28) and a pressing component (29), wherein the adjusting screw cap (26) is arranged at the front end of the guide block (23), through holes are formed in the adjusting screw cap (26) and the guide block (23), the anti-over-position guide rod (28) is arranged on the inner side of the through holes, and the anti-over-position guide rod (28) is a controllable guide rod of ejection force by adopting a compression spring; the guide block (23) is provided with a mounting seat through a connecting block, the mounting seat is connected with a tension spring structural member (22), and the position recovery of the over-position prevention guide rod (28) is realized through the elasticity of the tension spring structural member (22); the first auxiliary connecting rod (24) and the second auxiliary connecting rod (25) are connected to the lower end of the guide block (23), the first auxiliary connecting rod (24) and the second auxiliary connecting rod (25) are correspondingly matched with the first cam (7) and the second cam (8) respectively, the first cam (7) and the second cam (8) are driven to drive the first auxiliary connecting rod (24) and the second auxiliary connecting rod (25) to perform actions along with the operation of the driven shaft (4), the pressing component (29) is made to perform pressing actions, and the pressing punching mechanism is installed at the tail end of the pressing component (29).