CN217649789U

CN217649789U - Stroke control structure for food wrapping machine

Info

Publication number: CN217649789U
Application number: CN202221502291.0U
Authority: CN
Inventors: 石小轮
Original assignee: Foshan Haopu Machinery Equipment Co ltd
Current assignee: Foshan Haopu Machinery Equipment Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-25
Anticipated expiration: 2032-06-16

Abstract

The utility model relates to a stroke control structure that food parcel machine was used, including driving motor, driving motor's output shaft has connected gradually according to the station order and has pushed away material insertion angle cam group and liftout and press the material group cam group, but be connected with the intermediate drive axle of mechanical record stroke information between driving motor's output shaft and the subsequent station, it all is equipped with the drive shaft to push away material insertion angle cam group and liftout and press the material group cam group, and the transmission is connected between the drive shaft between the two, the utility model discloses what wholly adopted basically is mechanical connection's cooperation form, and servo components are few, and the stability and the execution efficiency of transmission process mainly rely on the utility model discloses stable mechanical parts degree itself and the compact relation of connection each other ensure that each step of control process of stroke is confirmed and links up, has reduced the assembly and the maintenance cost of equipment, has improved the execution efficiency of action, helps the improvement of productivity.

Description

Stroke control structure for food wrapping machine

Technical Field

The utility model relates to a be applied to food packaging equipment's transmission structure particularly, relates to a stroke control structure that food parcel machine used.

Background

At present, in order to improve the controllability and the precision, in the travel control structure of automatic food wrapping equipment, a large number of servo motors or servo cylinders can be adopted to complete the execution of corresponding actions, the advantage is that the actions of each step are all accurate and controllable, and the monitoring of electronic data can be quantified through ensuring each activity on the premise of reducing the setting of a sensor, so that the running condition of the equipment can be accurately grasped.

However, the stroke control structure uses a large number of servo components, which can significantly increase the assembly and maintenance costs of the equipment, and meanwhile, since the operation of each servo device is relatively independent, once a problem occurs in a certain component, the situation of wrong parts and bad parts easily occurs under the situation that other structures still maintain the operation, which affects the operation efficiency of the equipment, so that a stroke control structure for a food wrapping machine, which can simplify the stroke and ensure the action execution efficiency and execution stability, is required.

SUMMERY OF THE UTILITY MODEL

To the technical defect who exists among the background art, the utility model provides a stroke control structure that food parcel machine was used has solved above-mentioned technical problem and has satisfied the actual demand, and concrete technical scheme is as follows:

a stroke control structure for a food wrapping machine comprises a driving motor, wherein an output shaft of the driving motor is sequentially connected with a material pushing and inserting angle cam set and a material ejecting and pressing cam set according to a station sequence, an intermediate transmission shaft is connected between the output shaft of the driving motor and a subsequent station, a first wafer for indicating the stroke of the material pushing and inserting angle cam set and a second wafer for indicating the stroke of the material ejecting and pressing cam set are fixed on the intermediate transmission shaft, shielding parts are arranged at the edges of the first wafer or the second wafer, and an included angle is formed between the shielding parts of the first wafer and the second wafer;

the pushing and pressing angle cam group and the ejecting and pressing cam group are both provided with driving shafts, the driving shafts of the pushing and pressing angle cam group and the ejecting and pressing cam group are in transmission connection, the driving shafts of the pushing and pressing angle cam group are coaxially connected with a backward pushing cam and a backward inserting angle cam, the backward pushing cam and the backward inserting angle cam are respectively connected with a backward derivation rod and a backward inserting angle guide rod which are parallel to each other through a swing arm mechanism, and the backward derivation rod and the backward inserting angle guide rod are in mutual nested connection with each other through respective independent connecting pieces;

the material ejecting and pressing cam group is characterized in that a driving shaft of the material ejecting and pressing cam group is coaxially connected with a material ejecting cam and a material pressing cam, and the material ejecting cam and the material pressing cam are respectively connected with a material pressing rod guide rod and a material ejecting rod which are parallel to each other through a swing arm mechanism.

As a further technical scheme of the utility model, the drive shaft that pushes away material insertion angle cam group still coaxial coupling has the cutter cam.

As the utility model discloses further technical scheme, the liftout presses the drive shaft of material group cam group and still coaxial coupling has the clamp plate cam.

As a further technical scheme of the utility model, the back pushes away cam or back inserted angle cam is guide slot disc cam, and the swing arm mechanism that comprises V type swing arm, connecting rod one, straight line swing arm one, connecting rod two in proper order links to each other with the drive block that derives pole or back inserted angle guide arm after the drive, the drive block still is equipped with the nested hole that is used for the guide arm to pass through, push away in the guide arm or the both ends of back inserted angle guide arm are all worn to establish the seat of conducting on same mounting.

As the utility model discloses further technical scheme, liftout cam or press the material cam to be guide slot disc cam, the swing arm mechanism that constitutes through the straight line swing arm two that connects gradually, connecting rod three, end connection links to each other rather than the tip of the pressure flitch guide arm that corresponds or liftout pole, press the flitch guide arm and all wear to locate in the fixed lag cylinder that sets up with the liftout pole.

As a further technical scheme of the utility model, through transmission chain drive between driving motor's output shaft and the intermediate drive axle, the intermediate drive axle with push away to push away between the drive shaft of material insertion angle cam group with the transmission of helical gear pair meshing, push away the drive shaft of material insertion angle cam group with the liftout presses to pack through at least a pair of transmission chain drive between the drive shaft of cam group.

As a further technical solution of the present invention, a position sensor is further provided which is individually corresponding to the position of the shielding portion of the first wafer or the second wafer.

The utility model has the advantages of that: what whole adopted basically is mechanical connection's cooperation form, and servo components and parts are few, and transmission process's stability and execution efficiency mainly rely on the utility model discloses stable machine parts degree itself and the compact relation of connection each other ensure that every step of control process of stroke is confirmed and links up, has reduced the assembly and the maintenance cost of equipment, has improved the execution efficiency of action, helps the improvement of productivity.

Drawings

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

Fig. 2 is a schematic diagram of the overall structure of the stroke control structure of the present invention.

Wherein: the device comprises a driving motor 1, a middle transmission shaft 2, a first wafer 3, a second wafer 4, a shielding part 5, a driving shaft 6, a backward pushing cam 7, a backward inserting angle cam 8, a backward derivation rod 9, a backward inserting angle guide rod 10, an ejection cam 11, a material pressing cam 12, a material pressing rod guide rod 13, an ejection rod 14, a cutter cam 15, a pressing plate cam 16, a V-shaped swing arm 17, a first connecting rod 18, a first linear swing arm 19, a second connecting rod 20, a driving block 21, a nesting hole 22, a conduction seat 23, a second linear swing arm 24, a third connecting rod 25, an end connecting piece 26, a protection sleeve 27 and a transmission chain 28.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings and related examples, but the embodiments of the present invention are not limited to the following examples, and the relevant essential components of the present invention related to the technical field should be regarded as known in the art, and can be known and grasped by those skilled in the art.

As shown in fig. 1 and 2, a stroke control structure for a food wrapping machine comprises a driving motor 1, an output shaft of the driving motor 1 is sequentially connected with a material pushing and inserting angle cam group and a material pushing and pressing cam group according to a station sequence, an intermediate transmission shaft 2 is connected between the output shaft of the driving motor 1 and a subsequent station, a first wafer 3 and a second wafer 4 which indicate a stroke state are fixed on the intermediate transmission shaft 2, shielding parts 5 are arranged at the edges of the first wafer 3 or the second wafer 4, and an included angle is formed between the shielding parts 5;

the material pushing and inserting angle cam set and the material pushing and pressing cam set are both provided with driving shafts 6, the driving shafts 6 of the material pushing and inserting angle cam set and the material pushing and pressing cam set are in transmission connection, the driving shafts 6 of the material pushing and inserting angle cam set are coaxially connected with a backward pushing cam 7 and a backward inserting angle cam 8, the backward pushing cam 7 and the backward inserting angle cam 8 are respectively connected with a backward derivation rod 9 and a backward inserting angle guide rod 10 which are parallel to each other through a swing arm mechanism, and the backward derivation rod 9 and the backward inserting angle guide rod 10 form a mutual nesting connection relation with each other through respective independent connecting pieces;

the driving shaft 6 of the material ejecting and pressing cam group is coaxially connected with an ejecting cam 11 and a pressing cam 12, and the ejecting cam 11 and the pressing cam 12 are respectively connected with a pressing rod guide rod 13 and a pressing rod 14 which are parallel to each other through a swing arm mechanism.

The utility model discloses in, the power source of all actions all derives from same driving motor 1, and all the other action parts do not use servo, connect through transmission structure each other, especially in the middle of the concrete structure of carrying out as the stroke, it pushes away cam 7 to set up after on drive shaft 6, insert angle cam 8 after, liftout cam 11 and press material cam 12, drive shaft 6 links to each other with driving motor 1's output shaft through intermediate drive shaft 2 and driving medium, move cam structure conversion for the different action strokes that correspond with rotary motion, transmit stroke instruction to last execution components and parts by the cam structure again, the purpose of reliable transmission and simplified drive structure has been realized.

In the above structure, the intermediate transmission shaft 2 is used as the only basis for reflecting and providing record of stroke data, the disc one 3 respectively representing the movement origin state of the output shaft of the driving motor 1 and the disc two 4 for conveying the food packaging paper/packaging film starting state are coaxially connected, the blocking parts 5 matched with the position sensor are arranged on the intermediate transmission shaft, the blocking parts 5 are staggered to form included angles, so that the blocking parts cannot be completely blocked, the stroke information can be respectively recorded by the position sensor, the driving shafts 6 of the 2 cam groups are connected with the intermediate transmission shaft 2 through transmission pieces, the movement of the two is synchronous, correspondingly, the paper feeding/film conveying mechanism which is in cooperation with the 2 driving shafts 6 can be connected with one driving shaft 6 through a cam structure and then used for reflecting the start or stop of the paper feeding/film conveying state under the synchronous action, the movement origin of the output shaft of the driving motor 1 can be directly fed back by the intermediate transmission shaft 2 connected with the driving shaft, and therefore, only 1 intermediate transmission shaft 2 is needed to reflect the action states of 2 different stations.

The utility model discloses in the middle of, in order to let "push back" and "back inserted angle" two actions execution in food package in the middle of almost being in the different station orders of same station more steady and accurate, wherein "push back" action is used for pushing away the clamp splice that station department is used for pressing from both sides tight station, the action of packing article corner complete folding and letting the packing article unloading, and "back inserted angle" then lets the packing article treat folding limit angle prefolding's action when pushing the clamp splice position with the packing article that comes, execution through "back inserted angle" action, let the packing article get into and can accomplish the prefolding of corner behind the station, immediately under the execution of "back pushes away" action, the remaining corner of packing article will be sent out the packing station by folding back completely. Because the two actions are realized by the rear derivation rod 9 and the rear insertion angle guide rod 10 which are mutually nested, the two guide rods play a role of mutual limiting, the guide rods move more stably along the axial direction of the guide rods, the continuity and the stability of the execution of the 'rear derivation' and 'rear insertion angle' actions are ensured, and the stability of the structure of the execution part is ensured.

The actions of "ejecting" and "pressing" are that before the food to be packaged and its wrapping paper are overlapped and fed into the packaging paper-folding procedure, both of them are fed into the packaging folding station, then the "ejecting" action firstly feeds them into the station, then the "pressing" action ensures that the wrapping paper can be pushed to the position overlapped with the food after coming out from the previous step, in other words, the wrapping paper is dropped into the position of the food by means of "pressing" action and overlapped with it, then the "ejecting" action feeds them into the subsequent paper-folding procedure, the execution of this action and the aforementioned "back-pushing" and "back-inserting" actions need to be very tight to ensure the continuity of processing, high efficiency of processing and stability of processing, so that it is very necessary to use 2 driving shafts 6 which are driven by the same driving motor 1 and run synchronously.

Referring to fig. 1, the utility model discloses one of the preferred technical scheme, it still has cutter cam 15 to push away the drive shaft 6 of material insertion angle cam group, the material pressing cam group's of liftout drive shaft 6 still coaxial coupling has clamp plate cam 16, because cut out the required action of paper and compress tightly the required action of release material also can with aforementioned embodiment the action link up the execution, consequently combine needs and overall structure equilibrium's requirement, set up the required cutter cam 15 of corresponding "cutting out paper" and "compress tightly the required clamp plate cam 16 of release" packer respectively on different drive shafts 6, ensure that overall structure's stability and action are carried out link up, also avoid adopting extra driving motor or even servo motor.

The utility model discloses one of the preferred technical scheme, back-push cam 7 or back inserted angle cam 8 are guide slot disc cam, derive pole 9 or back inserted angle guide arm 10's drive block 21 behind the swing arm mechanism that comprises V type swing arm 17, connecting rod 18, straight line swing arm 19, connecting rod two 20 that connect gradually and drive to link to each other, drive block 21 still is equipped with the nested hole 22 that is used for the guide arm to pass through, after derive pole 9 or back inserted angle guide arm 10's two all wear to establish in the seat of conducting 23 on same mounting, through above-mentioned structure, realized after deriving pole 9 or back inserted angle guide arm 10 mutual restriction mutually supported relation well, changed the rotatory action of cam into the on the straight line at the uniform velocity change motion well simultaneously, cooperate the required action of the high-efficient completion that links up of subsequent execution structure, realized stroke control's stability and high efficiency.

The utility model discloses one of the preferred technical scheme, liftout cam 11 or press material cam 12 to be the guide slot disc cam, link to each other with its corresponding pressure ram guide arm 13 or the tip of ejector beam 14 through the swing arm mechanism that comprises sharp swing arm two 24, connecting rod three 25, end connection 26 that connect gradually, press ram guide arm 13 and ejector beam 14 all wear to locate in the fixed lag barrel 27 that sets up, utilize above-mentioned structure, let press the action of material and ejector beam to have changed the non-uniform velocity change motion on the straight line well by the rotatory action of cam, cooperate the required action of the high-efficient completion that links up of subsequent execution structure, satisfy the output needs that food package needs correspond the stroke.

The utility model discloses one of the preferred technical scheme, through the transmission of driving chain 28 between driving motor 1's output shaft and the intermediate drive axle 2, intermediate drive axle 2 with push away to use the helical gear to 29 meshing transmissions between the drive shaft 6 of material insertion angle cam group, push away the drive shaft 6 of material insertion angle cam group with the liftout presses through at least a pair of driving chain 28 transmissions between the drive shaft 6 of material pressing cam group, and above-mentioned structure ensures that driving motor 1 only just can drive the operation of the different cam groups of 2 groups through single output shaft to unstable condition such as disjointing can not appear in the execution of guarantee action, has ensured stroke control's steady and safety.

The utility model discloses one of the preferred technical scheme still is equipped with and corresponds alone the position sensor of 5 places positions of the occlusion part of disk one 3 or disk two 4 conveniently records the concrete position change state of disk one 3 and disk two 4, makes things convenient for the controller discernment and makes the operation and the stop that the whole stroke control structure was adjusted to the control command who corresponds.

The utility model discloses the beneficial effect who has lies in: what whole adopted basically is mechanical connection's cooperation form, and servo components and parts are few, and transmission process's stability and execution efficiency mainly rely on the utility model discloses stable machine parts degree itself and the compact relation of connection each other ensure that every step of control process of stroke is confirmed and links up, has reduced the assembly and the maintenance cost of equipment, has improved the execution efficiency of action, helps the improvement of productivity.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A stroke control structure for a food wrapping machine comprises a driving motor, wherein an output shaft of the driving motor is sequentially connected with a material pushing and inserting angle cam set and a material ejecting and pressing cam set according to a station sequence;

the material pushing and inserting cam group and the material ejecting and pressing cam group are both provided with driving shafts, the driving shafts of the material pushing and inserting cam group and the material ejecting and pressing cam group are in transmission connection, the driving shafts of the material pushing and inserting cam group are coaxially connected with a backward pushing cam and a backward inserting cam, the backward pushing cam and the backward inserting cam are respectively connected with a backward pushing rod and a backward inserting angle guide rod which are parallel to each other through a swing arm mechanism, and the backward pushing rod and the backward inserting angle guide rod are in mutual nested connection with each other through respective independent connecting pieces;

2. The stroke control structure for food wrapping machines of claim 1, wherein the driving shaft of the pushing and inserting cam set is further coaxially connected with a cutter cam.

3. The stroke control structure for the food wrapping machine according to claim 1, wherein the driving shaft of the liftout and pressing cam group is further coaxially connected with a pressing plate cam.

4. The stroke control structure of food wrapping machine of claim 1, wherein the backward-pushing cam or the backward-inserting angle cam is a guide groove disc cam, and is connected with a driving block for driving the backward-pushing rod or the backward-inserting angle guide rod through a swing arm mechanism consisting of a V-shaped swing arm, a first connecting rod, a first linear swing arm and a second connecting rod which are connected in sequence, the driving block is further provided with a nesting hole for the guide rod to pass through, and two ends of the backward-pushing guide rod or the backward-inserting angle guide rod are both inserted into the conduction seat on the same fixing member.

5. The stroke control structure of claim 1, wherein the ejecting cam or cam is a guiding groove disc cam, and is connected to the corresponding end of the ejecting rod or guide rod through a swing arm mechanism comprising a second linear swing arm, a third connecting rod and an end connecting member, the second linear swing arm, the third connecting rod and the end connecting member are connected in sequence, and the ejecting rod and the guide rod are both inserted into a fixedly arranged protective sleeve.

6. The stroke control structure for the food wrapping machine according to claim 1, wherein the transmission chain is used between the output shaft of the driving motor and the intermediate transmission shaft, the transmission is performed between the intermediate transmission shaft and the driving shaft of the material pushing and inserting angle cam set in a manner of engaging and transmitting by a helical gear pair, and the transmission chain is used between the driving shaft of the material pushing and inserting angle cam set and the driving shaft of the material ejecting and pressing cam set in a manner of transmitting by at least one pair of transmission chains.

7. The stroke control structure for food wrapping machine of claim 1, further comprising a position sensor individually corresponding to the position of the blocking portion of the first or second disc.