CN219888660U - Conjugate cam push rod mechanism and dough automatic forming and dividing machine thereof - Google Patents

Abstract

The utility model discloses a conjugate cam push rod mechanism and an automatic dough forming and dividing machine thereof, wherein the conjugate cam push rod mechanism comprises a conjugate cam, a needle bearing and a curved connecting rod, the needle bearing is hinged with the curved connecting rod, and the conjugate cam and the needle bearing are meshed to drive the curved connecting rod to swing in a reciprocating manner; the conjugate cam is provided with a driving convex ring, the driving convex ring is formed with an inner cam driving curve section and an outer cam driving curve section, the needle roller bearing comprises an inner needle roller bearing and an outer needle roller bearing, the inner needle roller bearing is meshed with the inner cam driving curve section for transmission, and the outer needle roller bearing is meshed with the outer cam driving curve section for transmission. According to the cam driving mechanism, the inner needle bearings and the outer needle bearings are in meshed transmission with the cam driving surfaces on the inner side and the outer side of the conjugate cam, so that the meshed transmission effect between the inner needle bearings and the outer needle bearings is improved, the meshed switching between the needle bearings and the conjugate cam during the swinging action switching of the curved connecting rod is realized more smoothly, the impact effect is not generated in the whole driving process, and the noise generated by the push rod mechanism is effectively reduced.

Description

Conjugate cam push rod mechanism and dough automatic forming and dividing machine thereof

Technical Field

The utility model relates to the technical field of mechanical transmission structures and device equipment, in particular to a conjugate cam push rod mechanism and an automatic dough forming and dividing machine thereof.

Background

In order to improve the production efficiency of flour food, an automatic dough forming and dividing machine is often used for automatic dough forming and dividing in the existing automatic food production, and the dough is extruded and divided into small dough, so that the production efficiency is improved. The main action principle of the dough automatic forming and cutting machine is that a plurality of reciprocating swinging mechanisms drive corresponding parts to move to match and finish the automatic forming and cutting process of the whole dough, in the existing dough automatic forming and cutting machine, a groove-type cam structure is adopted as a driving structure, the driving structure has the defect that the switching of each action point is not smooth enough in the driving process, the parts are easy to form mutual collision, the running noise of equipment is large, the parts are easy to wear, the service life of the equipment is reduced, and the running and maintenance cost of the equipment is increased.

Disclosure of Invention

The present utility model addresses the above-described problems by providing a conjugate cam follower mechanism. The technical scheme of the utility model is as follows:

the conjugate cam push rod mechanism comprises a conjugate cam, a needle bearing and a curved connecting rod, wherein the needle bearing is hinged with the curved connecting rod, and the conjugate cam is meshed with the needle bearing to drive the curved connecting rod to swing in a reciprocating manner; the conjugate cam is provided with a driving convex ring, the driving convex ring is formed with an inner cam driving curve section and an outer cam driving curve section, the needle roller bearing comprises an inner needle roller bearing and an outer needle roller bearing, the inner needle roller bearing is in meshed transmission with the inner cam driving curve section, and the outer needle roller bearing is in meshed transmission with the outer cam driving curve section.

As a further illustration of the present utility model, the inner cam drive curve segment is a portion or all of the inner side of the drive cam ring and the outer cam drive curve segment is a portion or all of the outer side of the drive cam ring.

Still further, conjugate cam push rod mechanism includes rotary drum conjugate cam, eccentric wheel, press stick and plectrum conjugate cam, rotary drum curved link, slider curved link, press stick curved link and plectrum curved link, wherein rotary drum conjugate cam is used for driving rotary drum curved link reciprocating motion, the eccentric wheel is used for driving slider curved link reciprocating motion, press stick and plectrum conjugate cam are used for driving press stick curved link reciprocating motion.

Still further, a drum driving convex ring is arranged on the drum conjugate cam, a drum horizontal driving arc line segment D1D2 and a drum vertical driving arc line segment E1E2 are formed on the drum driving convex ring, the drum horizontal driving arc line segment D1D2 is positioned at the inner side of the drum driving convex ring, and the drum vertical driving arc line segment E1E2 is positioned at the outer side of the drum driving convex ring; the rotary drum curved connecting rod is connected with a first rotary drum needle bearing and a second rotary drum needle bearing, wherein the first rotary drum needle bearing is positioned at the inner side of the rotary drum driving convex ring and can be in meshing transmission with the rotary drum horizontal driving arc line section D1D2, and the second rotary drum needle bearing is positioned at the outer side of the rotary drum driving convex ring and can be in meshing transmission with the rotary drum vertical driving arc line section E1E 2.

Further, a pressing rod driving convex ring is arranged on the pressing rod and the shifting piece conjugate cam, a pressing rod ascending driving arc segment A1A2 and a pressing rod descending driving arc segment B1B2 are formed on the pressing rod driving convex ring, the pressing rod ascending driving arc segment A1A2 is positioned at the inner side of the pressing rod driving convex ring, and the pressing rod descending driving arc segment B1B2 is positioned at the outer side of the pressing rod driving convex ring; the pressing rod curved connecting rod is connected with a first pressing rod needle bearing and a second pressing rod needle bearing, wherein the first pressing rod needle bearing is positioned at the inner side of the pressing rod driving convex ring and can be in meshed transmission with the pressing rod ascending driving arc section A1A2, and the second pressing rod needle bearing is positioned at the outer side of the pressing rod driving convex ring and can be in meshed transmission with the pressing rod descending driving arc section B1B 2.

Further, the pressing rod driving convex ring is arranged on one side surface of the pressing rod and one side surface of the plectrum conjugate cam, a plectrum driving convex ring is arranged on the other side surface of the pressing rod and the other side surface of the plectrum conjugate cam, a plectrum opening driving arc line segment C1C2 and a plectrum closing driving arc line segment C3C1 are formed on the plectrum driving convex ring, and the plectrum opening driving arc line segment C1C2 and the plectrum closing driving arc line segment C3C1 are both positioned on the inner side of the plectrum driving convex ring; the plectrum curved connecting rod is connected with plectrum needle bearing, plectrum needle bearing is located the plectrum drives the bulge loop inboard and can be in proper order with plectrum open drive arc section C1C2 and plectrum closed drive arc section C3C1 meshing transmission.

Further, the rotary drum conjugate cam, the eccentric wheel, the pressing rod and the poking piece conjugate cam are coaxially driven.

Furthermore, the rotary drum conjugate cam, the pressing rod and the poking piece conjugate cam are provided with avoiding structures for installing the needle roller bearings.

Still further, dodge the structure including setting up the rotary drum conjugate cam is gone up the rotary drum and is driven the hole of dodging of bulge loop inboard, set up press excellent and plectrum conjugate cam and go up the press excellent drive bulge loop inboard and be provided with dodge the hole and set up press excellent and plectrum conjugate cam and go up the breach of dodging of pressing excellent drive bulge loop outside.

In another aspect of the present utility model, there is provided an automatic dough forming divider comprising a conjugate cam follower mechanism as described above.

The utility model has the beneficial effects that:

the utility model can always keep the close fit of the needle roller bearing and the conjugate cam by the engagement transmission of the inner and outer needle roller bearings and the cam driving surfaces on the inner and outer sides of the conjugate cam, greatly improves the engagement transmission effect between the needle roller bearing and the conjugate cam, and more smoothly realizes the engagement switching of the needle roller bearing and the conjugate cam when the swing action of the curved connecting rod is switched, and does not generate impact effect in the whole driving process, thereby effectively reducing the noise generated in the working process of the push rod mechanism, simultaneously being beneficial to reducing the abrasion of the needle roller bearing and the conjugate cam, greatly improving the service life of the push rod mechanism, and effectively solving the problems of serious abrasion, short service life, large noise and the like of the traditional wheel rod driving structure.

Drawings

FIG. 1 is a first block diagram of a conjugate cam follower mechanism according to an embodiment of the present utility model;

FIG. 2 is a diagram of a conjugated cam follower mechanism according to a second embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a conjugate cam follower mechanism according to an embodiment of the present utility model;

FIG. 4 is a diagram of a press bar and a paddle conjugate cam according to an embodiment of the present utility model;

FIG. 5 is a diagram of a conjugated cam structure of a drum according to an embodiment of the present utility model;

fig. 6 is a view showing the overall structure of the automatic dough forming and dividing machine according to the embodiment of the present utility model.

Reference numerals: the rotary drum conjugate cam 1, the rotary drum driving convex ring 101, the eccentric wheel 2, the inner eccentric cam 201, the outer sleeve 202, the pressing rod and the poking piece conjugate cam 3, the pressing rod driving convex ring 301, the poking piece driving convex ring 302, the rotary drum curved connecting rod 4, the first rotary drum needle bearing 401, the second rotary drum needle bearing 402, the sliding block curved connecting rod 5, the pressing rod curved connecting rod 6, the first pressing rod needle bearing 601, the second pressing rod needle bearing 602, the poking piece curved connecting rod 7, the poking piece needle bearing 701, the avoidance hole 8, the avoidance notch 9, the funnel 10, the material channel 11, the push block 12, the rotary drum 13 and the conveying belt 14.

Detailed Description

Examples:

the following detailed description of embodiments of the utility model, taken in conjunction with the accompanying drawings, is evident in that the embodiments described are merely some, but not all embodiments of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, a conjugate cam push rod mechanism comprises a conjugate cam, a needle bearing and a curved connecting rod, wherein the needle bearing is hinged with the curved connecting rod, and the conjugate cam is meshed with the needle bearing to drive the curved connecting rod to swing in a reciprocating manner; the conjugate cam is provided with a driving convex ring, the driving convex ring is formed with an inner cam driving curve section and an outer cam driving curve section, the needle roller bearing comprises an inner needle roller bearing and an outer needle roller bearing, the inner needle roller bearing is in meshed transmission with the inner cam driving curve section, and the outer needle roller bearing is in meshed transmission with the outer cam driving curve section. The inner needle bearings and the outer needle bearings are meshed with cam driving curve sections on the inner side and the outer side of the conjugate cam, so that the needle bearings and the conjugate cam can be always tightly attached, the meshing transmission effect between the needle bearings and the conjugate cam is greatly improved, the meshing switching between the needle bearings and the conjugate cam is realized during the swinging action switching of the curved connecting rod more smoothly, the impact effect can not be generated in the whole driving process, the noise generated in the working process of the push rod mechanism is effectively reduced, the abrasion of the needle bearings and the conjugate cam is reduced, the service life of the push rod mechanism is greatly prolonged, and the problems of serious abrasion, short service life, large noise and the like of the conventional wheel rod driving structure are effectively solved.

Specifically, the conjugate cam pushing rod mechanism of the utility model can be applied to a crank wheel rod mechanism of an automatic dough forming and dividing machine, and in specific application, the conjugate cam pushing rod mechanism applied to the automatic dough forming and dividing machine comprises a rotary drum conjugate cam 1, an eccentric wheel 2, a pressing rod and shifting piece conjugate cam 3, a rotary drum curved connecting rod 4, a sliding block curved connecting rod 5, a pressing rod curved connecting rod 6 and a shifting piece curved connecting rod 7, wherein the rotary drum conjugate cam 1 is used for driving the rotary drum curved connecting rod 4 to reciprocate, the eccentric wheel 2 is used for driving the sliding block curved connecting rod 5 to reciprocate, and the pressing rod and the shifting piece conjugate cam 3 are used for driving the pressing rod curved connecting rod 6 to reciprocate.

Referring to fig. 1-3, the eccentric wheel 2 is arranged in the middle, and the rotary drum conjugate cam 1 and the pressing rod and shifting piece conjugate cam 3 are arranged on two sides. The eccentric wheel 2 comprises an inner eccentric cam 201 and an outer sleeve 202, the outer sleeve 202 is sleeved on the inner eccentric cam 201 and is connected with each other through a bearing, and when the inner eccentric cam 201 is driven by a driving motor to rotate, the outer sleeve 202 is pushed to swing reciprocally in the horizontal direction, so that corresponding pushing action is executed through the reciprocating swing of a slider curved connecting rod 5 connected to the outer sleeve 202.

The rotary drum conjugate cam 1 is provided with a rotary drum driving convex ring 101, the rotary drum driving convex ring 101 is provided with a rotary drum horizontal driving arc line segment D1D2 and a rotary drum vertical driving arc line segment E1E2, the rotary drum horizontal driving arc line segment D1D2 is positioned at the inner side of the rotary drum driving convex ring 101, and the rotary drum vertical driving arc line segment E1E2 is positioned at the outer side of the rotary drum driving convex ring 101. Specifically, as shown in the drawing, the drum curved link 4 is connected with a first drum needle bearing 401 and a second drum needle bearing 402, where the first drum needle bearing 401 is located inside the drum driving convex ring 101 and can be in meshing transmission with the drum horizontal driving arc section D1D2, and the second drum needle bearing 402 is located outside the drum driving convex ring 101 and can be in meshing transmission with the drum vertical driving arc section E1E 2. In a period that the driving motor drives the rotary drum conjugate cam 1 to rotate, a part of time drives the rotary drum curved connecting rod 4 to move in one direction through the meshing transmission of the first rotary drum needle roller bearing 401 and the rotary drum horizontal driving arc line segment D1D2, and the other part of time drives the rotary drum curved connecting rod 4 to move in the opposite other direction through the meshing transmission of the second rotary drum needle roller bearing 402 and the rotary drum vertical driving arc line segment E1E2, so that reciprocating swing of the rotary drum curved connecting rod 4 is realized, and the meshing transmission of the needle roller bearings on the inner side and the outer side and the meshing transmission of different driving arc line segments respectively have better meshing and switching effects, so that noise and abrasion are reduced, and the driving mechanism can run more stably and the service life is prolonged.

The pressing rod and shifting piece conjugate cam 3 is provided with a pressing rod driving convex ring 301, the pressing rod driving convex ring 301 is provided with a pressing rod ascending driving arc segment A1A2 and a pressing rod descending driving arc segment B1B2, the pressing rod ascending driving arc segment A1A2 is positioned at the inner side of the pressing rod driving convex ring 301, and the pressing rod descending driving arc segment B1B2 is positioned at the outer side of the pressing rod driving convex ring 301. Specifically, as shown in the drawing, the rod bending connecting rod 6 is connected with a first rod pressing needle bearing 601 and a second rod pressing needle bearing 602, where the first rod pressing needle bearing 601 is located inside the rod pressing driving convex ring 301 and can be in meshed transmission with the rod pressing ascending driving arc section A1A2, and the second rod pressing needle bearing 602 is located outside the rod pressing driving convex ring 301 and can be in meshed transmission with the rod pressing descending driving arc section B1B 2. In a period that the driving motor drives the pressing rod and the shifting plate conjugate cam 3 to rotate, a part of time drives the rotary drum curved connecting rod 4 to move in one direction through the meshing transmission of the first pressing rod needle bearing 601 and the pressing rod ascending driving arc section A1A2, and the other part of time drives the rotary drum curved connecting rod 4 to move in the opposite other direction through the meshing transmission of the second pressing rod needle bearing 602 and the pressing rod descending driving arc section B1B2, so that the reciprocating swing of the rotary drum curved connecting rod 4 is realized, and as described above, the meshing transmission of the inner side needle bearing and the outer side needle bearing with different driving arc sections has better meshing and switching effects, so that noise and abrasion are reduced, the driving mechanism can run more stably, and the service life is prolonged.

Referring to the drawings, the pressing rod driving convex ring 301 is disposed on one side of the pressing rod and the paddle conjugate cam 3, in this embodiment, a paddle driving convex ring 302 is disposed on the other side of the pressing rod and the paddle conjugate cam 3, a paddle opening driving arc line segment C1C2 and a paddle closing driving arc line segment C3C1 are formed on the paddle driving convex ring 302, and the paddle opening driving arc line segment C1C2 and the paddle closing driving arc line segment C3C1 are both located at the inner side of the paddle driving convex ring 302. Specifically, referring to the drawings, the blade bending link 7 is connected with a blade needle bearing 701, where the blade needle bearing 701 is located inside the blade driving convex ring 302 and can sequentially mesh with the blade opening driving arc segment C1C2 and the blade closing driving arc segment C3C 1. In a period when the driving motor drives the pressing rod and the poking piece conjugate cam 3 to rotate, the driving motor drives the poking piece curved connecting rod 7 to move in one direction through meshing transmission of the poking piece needle roller bearing 701 and the poking piece opening driving arc line segment C1C2, and drives the poking piece curved connecting rod 7 to move in the opposite other direction through meshing transmission of the poking piece needle roller bearing 701 and the poking piece closing driving arc line segment C3C1, so that reciprocating swing of the rotating drum curved connecting rod 4 is realized, and the driving motor maintains a relatively static state of the poking piece curved connecting rod 7 through meshing of the poking piece needle roller bearing 701 and the arc line segment.

As above, the three coaxially driven cams form four groups of curved connecting rod swing driving structures, and different needle bearings and corresponding arc sections on different driving convex rings form different driving action points, so that each curved connecting rod can drive each action part to execute setting action, and corresponding equipment functions are completed in a matched manner. Referring to the drawings, in the foregoing embodiments, in order to facilitate the disassembly and assembly of the respective needle roller bearings, the drum conjugate cam 1, the pressing rod and the dial conjugate cam 3 are provided with corresponding avoidance structures, for example, avoidance holes 8 are provided on the inner side of the drum driving convex ring 101 of the drum conjugate cam 1, and the assembly and disassembly of the first drum needle roller bearing 401 can be facilitated through the avoidance holes 8. An avoidance hole 8 is formed in the inner side of the pressing rod driving convex ring 301 of the pressing rod and plectrum conjugate cam 3, and the first pressing rod needle bearing 601 and the plectrum needle bearing 701 can be conveniently installed and detached through the avoidance hole 8; an avoidance notch 9 is arranged on the outer side of the press rod driving convex ring 301 of the press rod and plectrum conjugate cam 3, and the second press rod needle bearing 602 can be conveniently installed and detached through the avoidance notch 9. Through the structural arrangement of the avoidance holes 8 and the avoidance notches 9, each needle bearing can be conveniently, rapidly and accurately installed at the corresponding driving convex ring so as to ensure the meshing effect with each driving curve section.

Referring to fig. 4, a dough automatic forming and dividing machine using the conjugate cam-push rod mechanism of the present utility model is provided, wherein the principle of the dough automatic forming and dividing machine is that dough is fed out by pushing the dough into each through hole of a drum 13 in a horizontal state through a push block 12 in a hopper 11 below a hopper 10, and then rotating the drum 13 and pushing out the dough in each through hole and cutting off a conveyor belt 14 which is driven to the lower part of the drum 13. The conjugate cam pushing rod mechanism of the embodiment is a driving mechanism for driving each key component of the dough automatic forming and dividing machine to execute corresponding dough automatic forming and dividing actions.

Specifically, the upper end of the slider curved connecting rod 5 is connected with the push block 12 in the material channel 11, the lower end of the drum curved connecting rod 4 is connected with the outer sleeve 202 and swings reciprocally under the action of the eccentric wheel 2, so as to drive the push block 12 to reciprocate in the material channel 11, press the fabric in the material channel 11 into each through hole of the drum 13 in one period, and then reset the push block 12. The upper end of the rotary drum curved connecting rod 4 is connected with a rotary drum 13, the upper end of the rotary drum curved connecting rod 4 is connected with a first rotary drum needle bearing 401 and a second rotary drum needle bearing 402 and swings back and forth under the action of a rotary drum conjugate cam 1, and in one period, the first rotary drum needle bearing 401 and the rotary drum horizontal driving arc section D1D2 are meshed and transmitted to enable the rotary drum 13 to rotate to a horizontal position, namely, at the moment, a through hole of the rotary drum 13 is opposite to the material channel 11, a surface entering action can be performed, and the pushing block 12 is used for pressing fabrics into all through holes of the rotary drum 13; the second roller needle bearing 402 is meshed with the vertical driving arc section E1E2 of the roller, so that the roller 13 rotates to a vertical position, that is, the through hole of the roller 13 is opposite to the conveying belt 14, so that a surface-out action can be performed, and the fabric in the through hole is ejected through a pressing rod and a pressing block (not shown in the drawing, and the pressing block is movably arranged in the through hole of the roller 13 and is in the prior art). The upper end of the pressing rod bending connecting rod 6 is connected with a first pressing rod needle bearing 601 and a second pressing rod needle bearing 602, and the pressing rod and the poking piece conjugated cam 3 do reciprocating swing under the action of the pressing rod, so that the pressing rod is driven to perform rotation pressing action and reset. Similarly, a pulling piece (not shown in the drawing, in the prior art) is connected to the upper end of the pulling piece curved connecting rod 7, and the lower end of the pulling piece curved connecting rod is connected to the pulling piece needle bearing 701 and swings reciprocally under the action of the pressing rod and the pulling piece conjugate cam 3, so as to drive the pulling piece to execute the action of opening the pulling face and resetting.

The main action flow of the dough automatic forming and dividing machine comprises the following steps: firstly, pushing the fabric in the material channel 11 into the through hole on the rotary drum 13 by the action of the pushing block 12 and forcing the fabric to squeeze out a pressing block in the through hole, wherein the fabric is accommodated in the through hole of the rotary drum 13 after the pressing block is moved out; then the drum 13 is driven to rotate to the vertical direction by the drum curved connecting rod 4 so that the pressing block faces upwards, the pressing rod is driven to rotate by the pressing rod curved connecting rod 6 to push the pressing block downwards and extrude the fabric in the through hole of the drum 13, at the moment, the through hole direction of the drum 13 is vertical to the conveying belt 14 below, the extruded fabric is cut off by the poking piece and falls onto the conveying belt 14 below the poking piece after the poking face opening action is executed, and the conveying belt 14 sends out cut dough, so that the whole automatic dough forming and cutting process is completed. As described above, the conjugate cam pushing rod mechanism of the utility model is used as a driving structure, so that the dough automatic forming and dividing machine can run more stably, has small vibration, low noise and small abrasion of driving parts, prolongs the service life of equipment and reduces the running and maintenance cost.

The foregoing is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the claims. The utility model is not limited to the above embodiments, the specific construction of which is susceptible to variations, in any case all of which are within the scope of the utility model as defined in the independent claims.

Claims (10)

1. The utility model provides a conjugate cam push rod mechanism which characterized in that: the device comprises a conjugate cam, a needle bearing and a curved connecting rod, wherein the needle bearing is hinged with the curved connecting rod, and the conjugate cam is meshed with the needle bearing to drive the curved connecting rod to swing in a reciprocating manner; the conjugate cam is provided with a driving convex ring, the driving convex ring is formed with an inner cam driving curve section and an outer cam driving curve section, the needle roller bearing comprises an inner needle roller bearing and an outer needle roller bearing, the inner needle roller bearing is in meshed transmission with the inner cam driving curve section, and the outer needle roller bearing is in meshed transmission with the outer cam driving curve section.

2. The conjugate cam follower mechanism of claim 1, wherein: the inner cam driving curve section is part or all of the inner side surface of the driving convex ring, and the outer cam driving curve section is part or all of the outer side surface of the driving convex ring.

3. The conjugate cam follower mechanism of claim 1 or 2, wherein: the conjugate cam pushing rod mechanism comprises a rotary drum conjugate cam, an eccentric wheel, a pressing rod, a shifting piece conjugate cam, a rotary drum curved connecting rod, a sliding block curved connecting rod, a pressing rod curved connecting rod and a shifting piece curved connecting rod, wherein the rotary drum conjugate cam is used for driving the rotary drum curved connecting rod to swing reciprocally, the eccentric wheel is used for driving the sliding block curved connecting rod to swing reciprocally, and the pressing rod and the shifting piece conjugate cam are used for driving the pressing rod curved connecting rod to swing reciprocally.

4. A conjugate cam follower mechanism according to claim 3, wherein: the rotary drum conjugate cam is provided with a rotary drum driving convex ring, the rotary drum driving convex ring is provided with a rotary drum horizontal driving arc line segment D1D2 and a rotary drum vertical driving arc line segment E1E2, the rotary drum horizontal driving arc line segment D1D2 is positioned at the inner side of the rotary drum driving convex ring, and the rotary drum vertical driving arc line segment E1E2 is positioned at the outer side of the rotary drum driving convex ring; the rotary drum curved connecting rod is connected with a first rotary drum needle bearing and a second rotary drum needle bearing, wherein the first rotary drum needle bearing is positioned at the inner side of the rotary drum driving convex ring and can be in meshing transmission with the rotary drum horizontal driving arc line section D1D2, and the second rotary drum needle bearing is positioned at the outer side of the rotary drum driving convex ring and can be in meshing transmission with the rotary drum vertical driving arc line section E1E 2.

5. A conjugate cam follower mechanism according to claim 3, wherein: the pressing rod and shifting piece conjugate cams are provided with pressing rod driving convex rings, pressing rod ascending driving arc segments A1A2 and pressing rod descending driving arc segments B1B2 are formed on the pressing rod driving convex rings, the pressing rod ascending driving arc segments A1A2 are positioned at the inner sides of the pressing rod driving convex rings, and the pressing rod descending driving arc segments B1B2 are positioned at the outer sides of the pressing rod driving convex rings; the pressing rod curved connecting rod is connected with a first pressing rod needle bearing and a second pressing rod needle bearing, wherein the first pressing rod needle bearing is positioned at the inner side of the pressing rod driving convex ring and can be in meshed transmission with the pressing rod ascending driving arc section A1A2, and the second pressing rod needle bearing is positioned at the outer side of the pressing rod driving convex ring and can be in meshed transmission with the pressing rod descending driving arc section B1B 2.

6. The conjugate cam follower mechanism of claim 5, wherein: the pressing rod driving convex ring is arranged on one side surface of the pressing rod and one side surface of the plectrum conjugate cam, the other side surface of the pressing rod and the other side surface of the plectrum conjugate cam are provided with plectrum driving convex rings, plectrum opening driving arc line segments C1C2 and plectrum closing driving arc line segments C3C1 are formed on the plectrum driving convex rings, and the plectrum opening driving arc line segments C1C2 and the plectrum closing driving arc line segments C3C1 are both positioned on the inner sides of the plectrum driving convex rings; the plectrum curved connecting rod is connected with plectrum needle bearing, plectrum needle bearing is located the plectrum drives the bulge loop inboard and can be in proper order with plectrum open drive arc section C1C2 and plectrum closed drive arc section C3C1 meshing transmission.

7. A conjugate cam follower mechanism according to claim 3, wherein: the rotary drum conjugate cam, the eccentric wheel, the pressing rod and the poking piece conjugate cam are coaxially driven.

8. The conjugate cam follower mechanism of claim 7, wherein: and the rotary drum conjugate cam, the pressing rod and the shifting piece conjugate cam are provided with avoiding structures for installing the needle roller bearing.

9. The conjugate cam follower mechanism of claim 8, wherein: the avoidance structure comprises an avoidance hole arranged on the inner side of a rotary drum driving convex ring on the rotary drum conjugate cam, and an avoidance gap arranged on the inner side of a pressing rod driving convex ring on the pressing rod and the shifting plate conjugate cam and arranged on the outer side of the pressing rod driving convex ring.

10. An automatic dough forming and dividing machine is characterized in that: comprising a conjugate cam follower mechanism according to any one of claims 1-9.