CN115152844A

CN115152844A - Fermentation preparation process of dairy product

Info

Publication number: CN115152844A
Application number: CN202210850003.9A
Authority: CN
Inventors: 李晓伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-10-11

Abstract

The invention relates to dairy product processing, in particular to a fermentation preparation process of a dairy product, which comprises the following steps of S1, heating pure milk to 50-70 ℃, and then cooling to 38-41 ℃; s2, mixing the pure milk and the leavening agent according to a weight ratio of 2000:1 to 500:1, mixing, and fermenting at the temperature of 40-45 ℃ for 4-10 hours to obtain a fermented dairy product; s3, arranging the packaging bottles in a single row with the openings facing upwards; s4, independently filling the fermented dairy products and the food solid additives into the packaging bottle respectively; s5, sealing the bottle opening of the packaging bottle; s6, mixing the food solid additive in the bottle into the dairy product by using a dairy product preparation device, so as to reduce the influence degree of the taste of the fermented dairy product on the additive.

Description

Fermentation preparation process of dairy product

Technical Field

The invention relates to dairy product processing, in particular to a fermentation preparation process of a dairy product.

Background

The dairy product fermentation refers to a process of adding a leavening agent into a dairy product in a specific environment, common dairy product fermentation such as yoghurt and yoghurt also has various types, and other components are added after inoculation and fermentation except milk/milk powder, and the process is not limited by bacteria. Common ingredients are oat and fruit particles to increase satiety or to improve taste;

the mode of adding plant fiber or improving vitamins in the beverage is popular with the increase of health maintenance requirements of consumers, and although part of consumers do not like the taste of the plant, the requirement of plant fiber intake is also existed, so that the addition of the additive containing the components into the fermented dairy product is a new attempt. It is important to reduce the influence of the additive on the taste of the fermented dairy product and to ensure that the additive is added uniformly in the fermented dairy product.

Disclosure of Invention

The invention provides a fermentation preparation process of a dairy product, aiming at reducing the influence degree of additives on the taste of the fermented dairy product.

The above purpose is realized by the following technical scheme:

a fermentation preparation process of a dairy product comprises the following steps:

s1, heating pure milk to 50-70 ℃, and then cooling to 38-41 ℃;

s2, mixing the pure milk and the leavening agent according to a weight ratio of 2000:1 to 500:1, mixing, and fermenting at the temperature of 40-45 ℃ for 4-10 hours to obtain a fermented dairy product;

s3, arranging the packaging bottles in a single row with the openings facing upwards;

s4, independently filling the fermented dairy products and the food solid additives into the packaging bottle respectively;

s5, sealing the bottle opening of the packaging bottle;

and S6, mixing the food solid additive in the bottle into the dairy product by using a dairy product preparation device.

The containers used in S1 to S5 are subjected to a sterilization treatment.

And a sweetening agent is added into the S2.

The dairy product preparation device comprises a base frame, a straight port arranged on the left side of the base frame, a limiting hole arranged on the right side of the base frame, a supporting plate arranged below the straight port, and a telescopic cylinder I for controlling the supporting plate to move back and forth, wherein the telescopic cylinder I is fixedly connected to the rear side of the upper end of the base frame;

the bottle conveying mechanism comprises a concave frame, two rollers which are respectively connected to the left side and the right side of the concave frame in a rotating mode, a conveying belt is sleeved on the two rollers, a motor I which is installed on the concave frame and used for driving the rollers to rotate is arranged, and a telescopic cylinder II which is installed on the concave frame and used for driving the concave frame to move back and forth is arranged; the front and the back of the bottle conveying mechanism are provided with two mirror images, and the two conveying belts are respectively positioned at the front and the back sides of the straight opening;

the vertical frame is further included, a shaft I is rotatably connected to the vertical frame and extends left and right, the right end of the shaft I is fixedly connected with the left end of the base frame, the front end and the rear end of the shaft I are fixedly connected with a shaft II extending front and rear respectively, the upper side and the lower side of each shaft II are respectively provided with an elastic component arranged on the vertical frame, and the four elastic components enable the shaft II to be kept horizontal;

the plate is characterized by further comprising a plate, round openings distributed from left to right are formed in the left side of the plate, a telescopic cylinder III is mounted at the right part of the plate, the movable end of the telescopic cylinder III is arranged downwards, and a shifting rod capable of being in clearance fit with the limiting hole is fixedly connected to the lower end of the right part of the plate;

the telescopic cylinder IV is driven by the linear driving mechanism to move back and forth, a motor II which is driven by the motor II to lift is mounted on the upper portion of the telescopic cylinder IV, and an output shaft of the motor II is arranged towards the left and fixedly connected to the movable end of the telescopic cylinder III.

Drawings

FIG. 1 is a flow chart of a process for fermenting and preparing a dairy product;

FIG. 2 is a schematic diagram of the overall structure of a dairy product preparation device;

FIG. 3 is a schematic view of a partial structure of a dairy product preparation device;

FIGS. 4 to 6 are schematic views of the partial structure of FIG. 3;

FIG. 7 is a schematic diagram of the left side structure of the dairy product preparation device;

FIG. 8 is a schematic view of a portion of the structure of FIG. 7;

FIG. 9 is a schematic view of the structure above the dairy product preparation device;

fig. 10 is a schematic diagram of the structure on the right side of the dairy product preparation device.

Detailed Description

s1, heating whole milk to 50-70 ℃, and then cooling to 38-41 ℃; wherein the heating temperature is 60 ℃ at most;

s2, during first preparation, mixing the whole milk and the leavening agent according to a weight ratio of 2000:1 to 500:1, mixing, and fermenting at the temperature of 40-45 ℃ for 4-10 hours to obtain a fermented dairy product; wherein the leaven is Bifidobacterium leaven or lactobacillus leaven;

s5, sealing the bottle opening of the packaging bottle;

When the leaven is prepared again, the leavened dairy product is adopted, the weight ratio of the whole milk to the leavened dairy product is 10:1 to 10:5; wherein the solid food supplement, which is difficult to solubilize, affects the taste to a lesser extent than the liquid supplement;

as shown in fig. 2 to 4, the dairy product preparation device comprises a base frame 11 extending left and right, a straight opening 12 arranged on the left side of the upper end of the base frame 11, the straight opening 12 occupies most of the total length of the base frame 11, a limiting hole 13 with a vertical axis is arranged on the right side of the base frame 11, a supporting plate 21 is arranged below the straight opening 12, the supporting plate 21 is used for supporting the bottom of a packaging bottle, the shell of a telescopic cylinder i 22 is fixedly connected to the rear side of the upper end of the base frame 11, the movable end of the telescopic cylinder i 22 is arranged forward, and the movable end of the telescopic cylinder i 22 is fixedly connected with the rear end of the supporting plate 21; wherein, the supporting plate 21 is made of steel or copper-based material and has an upper end surface polished.

Preferably, the belt conveyor is arranged right below the straight opening 12, and the end surface of a conveying belt of the belt conveyor is horizontally arranged; when S6 is finished, starting the telescopic cylinder I22 to drive the supporting plate 21 to move backwards so that the straight opening 12 is completely opened, and further, the packaging bottles fall onto a conveying belt of a belt conveyor to finish unloading operation; during unloading, the foam board should be arranged on the conveying belt of the belt conveyor, and the upper end of the foam board is provided with a notch matched with the packaging bottle, so that the effects of shock absorption and collection are achieved, and subsequent direct boxing and packaging are facilitated.

Further, as shown in fig. 6 in detail, the bottle conveying device further includes a bottle conveying mechanism, the bottle conveying mechanism includes a concave frame 31, two rollers 32 are rotatably connected to the left and right sides of the concave frame 31, a conveyor belt 33 is sleeved on the two rollers 32, a movable end of a motor i 34 is arranged upward, a housing of the motor i 34 is fixedly connected to the concave frame 31, the movable end of the motor i 34 penetrates through the concave frame 31 from bottom to top, an output shaft of the motor i 34 and one of the rollers 32 are synchronously connected through a belt pulley and a belt assembly in a transmission manner, a movable end of a telescopic cylinder ii 35 is arranged forward, a housing of the telescopic cylinder ii 35 is fixedly connected to the rear side of the upper end of the concave frame 31, and a movable end of the telescopic cylinder ii 35 is fixedly connected to the rear end of the concave frame 31;

the front and the back of the bottle feeding mechanism are provided with two mirror images, the two conveyor belts 33 are respectively positioned at the front and the back sides of the straight opening 12, and the extension distance of the conveyor belts 33 corresponds to that of the straight opening 12;

the vertical frame 41 is divided into a front supporting part and a rear supporting part, the two supporting parts are in a conducting state, and the belt conveyor can penetrate through the two supporting parts. The upper part of the vertical frame 41 is provided with a shaft seat, a shaft I42 is rotatably connected to the shaft seat, the right end of the shaft I42 is fixedly connected with the left end of the base frame 11, the front end and the rear end of the left part of the shaft I42 are fixedly connected with a shaft II 43 extending forwards and backwards respectively, the upper side and the lower side of each shaft II 43 are respectively provided with an elastic component arranged on the vertical frame 41, and the four elastic components enable the shaft II 43 to be kept horizontal;

the elastic component comprises a wheel frame 51, a guide wheel 52, an arc groove 53, a reset rod 54, a limiting part 55 and a compression spring 56, specifically, as shown in a circle in fig. 7, the upper part of the wheel frame 51 is rotatably connected with the guide wheel 52, the arc groove 53 is arranged on the guide wheel 52, the lower end of the wheel frame 51 is fixedly connected with the two reset rods 54, the lower end of each reset rod 54 is fixedly connected with the limiting part 55, the compression spring 56 is sleeved on the reset rod 54, the reset rods 54 are slidably connected on the wheel frame 51, two ends of the compression spring 56 respectively abut against the wheel frame 51 and the wheel frame 51, and the guide wheel 52 is contacted with a shaft ii 43 corresponding to the arc groove 53;

the four guide wheels 52 keep the two shafts II 43 extending forwards and backwards horizontal by using compression springs 56;

further, as shown in fig. 9, the device further comprises a plate, a round opening 62 is formed in the left side of the plate and distributed from left to right, a telescopic cylinder iii 63 is installed on the right portion of the plate, a movable end of the telescopic cylinder iii 63 faces downward, a shell of the telescopic cylinder iii 63 is fixedly connected to the upper end of the right side of the plate, the movable end of the telescopic cylinder iii 63 penetrates through the plate from top to bottom, and a shift lever 64 capable of being in clearance fit with the limiting hole 13 is fixedly connected to the lower end of the right portion of the plate;

the telescopic cylinder IV 71 is driven by the linear driving mechanism to move back and forth, a motor II 72 which is driven by the motor II 72 to lift is mounted on the upper portion of the telescopic cylinder IV 71, and an output shaft of the motor II 72 is arranged towards the left and fixedly connected to the movable end of the telescopic cylinder III 63; the linear driving mechanism is mainly used for adjusting the front and back positions of the plate, the telescopic cylinder IV 71 is mainly used for adjusting the height of the motor II 72 and also adjusting the height of the plate and the shifting rod 64, and the telescopic cylinder III 63 is used for adjusting the height of the plate and the shifting rod 64;

when the position is before the step S6 and does not include the step S6, the plate part should be far away from the upper part of the supporting plate 21, and the linear driving mechanism is started to move to the front side or the rear side of the supporting plate 21 as required, and the precondition of moving back and forth is to ensure that the shift lever 64 is lifted to be separated from the limiting hole 13;

when S6 is started, the plate is moved to the position right above the packaging bottles, each round opening 62 corresponds to the position right above the bottle opening of one packaging bottle, then the plate descends until the plate is attached to the upper portion of the bottle body of the packaging bottle, the bottle opening penetrates through the round openings 62, the height of the motor II 72 is adjusted to enable the axis of the output shaft of the motor II to be coincident with the axis of the shaft I42, the height of the plate is adjusted adaptively when the motor II 72 adjusts the height, and the relative height between the plate and the bottle body is kept unchanged; the starting motor II 72 drives the telescopic cylinder III 63 to swing or rotate in a reciprocating mode, the telescopic cylinder III 63 drives the plate to move adaptively, the shifting rod 64 is inserted into the limiting hole 13 to drive the base frame 11 to move adaptively, namely, the shifting rod moves around the axis of the shaft I42, so that the packaging bottle shakes, solid food additives are shaken uniformly into the bottle, and the solid food additives are prevented from floating on the bottle opening or completely at the bottom of the bottle.

The food solid additive is preferably dried vegetables after being crushed, the dried vegetables are softened by hot water to obtain soft vegetable particles, the soft vegetable particles and the fermented dairy product are filled in a water-draining cooling mode at normal temperature, the soft vegetable particles and the fermented dairy product are filled in a tandem mode during filling, a filling pipeline and filling equipment are arranged on the front side or the rear side of the base frame 11, and the plate part is standby on the other side of the equipment; the filling equipment is not limited, and the existing product is adopted.

The plate includes that a left side is right to be set up and can dismantle the board I61 a and the board II 61b of rigid coupling between, and board II 61b is a plurality of according to the different reserves of the different specifications of round mouth 62 to carry out the adaptability according to the packing bottle of equidimension not and change.

The linear driving mechanism is a double-lead-screw linear driving mechanism and comprises a base 81 and two lead screws 82 rotatably connected to the base 81, one ends of the two lead screws 82 are synchronously driven through a belt wheel and belt assembly, the other end of one lead screw is fixedly connected with an output shaft of a motor III 83, the motor III 83 is installed on the base 81, a base is arranged at the lower end of an extension cylinder IV 71, and the base is in screw transmission connection with the two lead screws 82.

Claims

1. A fermentation preparation process of a dairy product comprises the following steps:

s1, heating pure milk to 50-70 ℃, and then cooling to 38-41 ℃;

s3, arranging the packaging bottles in a single row, wherein the openings of the packaging bottles face upwards;

s5, sealing the bottle opening of the packaging bottle;

2. The process of claim 1, wherein the pure milk is whole milk.

3. The process according to claim 2, wherein the fermentation agent is Bifidobacterium or Lactobacillus.

4. The production process according to claim 1, wherein the containers used in S1 to S5 are subjected to a sterilization treatment.

5. The process according to claim 1, wherein a sweetener is added to S2.

6. The process according to claim 1, wherein said sweetener is white sugar or xylitol.

7. The preparation process according to claim 1, wherein the dairy product preparation device comprises a base frame (11), a straight port (12) arranged at the left side of the base frame (11), a limiting hole (13) arranged at the right side of the base frame (11), a supporting plate (21) arranged below the straight port (12), and a telescopic cylinder I (22) for controlling the supporting plate (21) to move back and forth, wherein the telescopic cylinder I (22) is fixedly connected at the rear side of the upper end of the base frame (11);

the automatic bottle conveying device comprises a bottle conveying mechanism, a bottle conveying mechanism and a conveying mechanism, wherein the bottle conveying mechanism comprises a concave frame (31), two rollers (32) which are respectively connected to the left side and the right side of the concave frame (31) in a rotating mode, a conveying belt (33) is sleeved on the two rollers (32), a motor I (34) which is installed on the concave frame (31) and used for driving the rollers (32) to rotate, and a telescopic cylinder II (35) which is installed on the concave frame (31) and used for driving the concave frame (31) to move back and forth; the front and the back of the bottle conveying mechanism are provided with two mirror images, and the two conveying belts (33) are respectively positioned at the front and the back sides of the straight opening (12);

the horizontal shaft I (42) is rotatably connected to the vertical frame (41) and extends left and right, the right end of the shaft I (42) is fixedly connected with the left end of the base frame (11), the front end and the rear end of the shaft I (42) are fixedly connected with a shaft II (43) extending front and rear respectively, the upper side and the lower side of each shaft II (43) are respectively provided with an elastic component arranged on the vertical frame (41), and the four elastic components enable the shaft II (43) to be kept horizontal;

the plate is characterized by further comprising a plate, wherein round openings (62) distributed from left to right are formed in the left side of the plate, a telescopic cylinder III (63) is installed on the right portion of the plate, the movable end of the telescopic cylinder III (63) is arranged downwards, and a shifting rod (64) capable of being in clearance fit in the limiting hole (13) is fixedly connected to the lower end of the right portion of the plate;

the telescopic cylinder IV (71) is driven by the linear driving mechanism to move forwards and backwards, a motor II (72) which is driven by the motor II (72) to lift is mounted at the upper part of the telescopic cylinder IV (71), and an output shaft of the motor II (72) faces the left and is fixedly connected to the movable end of the telescopic cylinder III (63).

8. A production process according to claim 7, the carrier (21) being a metal upper face polishing treatment.

9. The process according to claim 7, wherein said plate members comprise a first plate (61 a) and a second plate (61 b) which are disposed left and right and detachably secured therebetween.

10. The preparation process according to claim 7, wherein the belt conveyor is arranged right below the straight opening (12), and the middle of the stand (41) is of a hollow structure for the belt conveyor to run.