Cold-extracted yogurt machine and its preparation process for Greek yogurt fermented with probiotics

Abstract

A cold-extracted yogurt machine for preparing Greek yogurt fermented by probiotics and a preparation process thereof relate to the technical field of yogurt preparation. The Greek yogurt fermented by probiotics is composed of the following parts by weight: 4-6 parts of milk; 1 part of milk protein powder; 1 part of whey protein powder; 3 parts of white sugar; and 1 part of leavening agent. The present invention provides a cold-extracting mechanism and a connecting mechanism, and connects the connecting frame to the mounting frame in contact; after completion, the yogurt is poured into the storage seat, at which time the discharge port is in a closed state, and then the storage seat is placed in the barrel body. After completion, the barrel body is closed through the barrel cover, and at this time, the movable ring moves into the groove and contacts the push plate, and the push plate pushes the slider to move, and the movement of the slider drives the threaded rod to rotate, and the rotation of the threaded rod drives the baffle to rotate, automatically opening the discharge port, so that the yogurt evenly enters the filter frame through the discharge port for cold extraction. The use of multiple filter frames increases the contact area between the yogurt and the filter, thereby improving the cold extraction efficiency of the yogurt.

Description

Technical Field

[0001] The invention relates to the technical field of yogurt preparation, in particular to a cold-extracted yogurt machine for preparing Greek yogurt fermented with probiotics and a preparation process thereof. Background Art

[0002] Yogurt is a sweet and sour milk drink. It is made from milk. After pasteurization, beneficial bacteria (fermentation agent) are added to the milk. After fermentation, it is cooled and bottled. Yogurt products on the market are mostly coagulated, stirred, and fruit-flavored types with various auxiliary ingredients such as juice and jam. When producing Greek cold-brewed yogurt, the fermented yogurt needs to be poured into the filter of the cold-brew equipment. After refrigeration, the yogurt in the filter is taken out to obtain Greek cold-brewed yogurt.

[0003] However, when cold-extracting yogurt, the yogurt needs to be poured into the filter of the cold-extraction equipment. Only the bottom of the yogurt is in contact with the filter, resulting in low cold-extraction efficiency of the yogurt. In order to improve the cold-extraction efficiency of the yogurt, a cold-extraction yogurt machine for preparing probiotic fermented Greek yogurt and a preparation process thereof are provided. Summary of the Invention

[0004] The present invention aims to provide a cold-extracted yogurt machine and a preparation process thereof for preparing Greek yogurt fermented with probiotics in order to improve the cold-extracted yogurt efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cold-extracted yogurt machine for preparing Greek yogurt fermented with probiotics, comprising a barrel body, a barrel cover disposed above the barrel body, an annular seat fixedly connected to the bottom end of the inner cavity of the barrel cover, the barrel cover being used to close the barrel body to prevent dust from entering, and the barrel body cold-extracting the yogurt through a cold extraction mechanism;

[0006] The top of the movable rod is fixedly connected to the top of the connecting frame, and the top end of the movable rod is fixedly connected to the connecting ring, and the movable rod is used to fix the limit block. The bottom end of the storage seat is provided with a discharge port, and the yogurt in the storage seat flows into the filter frame through the discharge port. The inner cavity of the barrel body is fixedly connected with a supporting ring, and the connecting frame contacts with the supporting ring to support and place the storage seat; the barrel body and the barrel cover are connected by a connecting mechanism.

[0007] As a further solution of the present invention: the connecting mechanism includes a card block, which is slidably connected to the interior of the barrel cover and extends into the inner cavity of the barrel cover. A first spring is connected between the card block and the barrel cover. The internal sliding connection of the card block extends to a fixed frame above the barrel cover. The outer wall of the fixed frame is fixedly connected to a push rod extending into the interior of the annular seat. The bottom end of the push rod is fixedly connected to a movable ring. The outer wall of the barrel body is provided with an annular groove. The first spring pushes the card block into the annular groove for connecting the barrel body and the barrel cover.

[0008] As a further solution of the present invention: the connecting mechanism also includes a groove, which is opened at the top of the storage seat, and the groove is used for inserting the movable ring. The inner cavity of the discharge port is rotatably connected to a baffle, and the baffle is used to open and close the discharge port. One end of the baffle is fixedly connected to a threaded rod, and the outer wall of the threaded rod is connected to a slider, and the slider is slidably connected to the interior of the storage seat. A second spring is connected between the slider and the storage seat, and the interior of the storage seat is located at one end of the slider and is slidably connected to a push plate, and the push plate extends into the groove, and the movable ring enters the groove and contacts the push plate, pushing the push plate to move, and the push plate pushes the slider to move.

[0009] As a further solution of the present invention: the outer wall of the connecting frame is in contact with the inner wall of the connecting groove, the end of the limit block extending out of the connecting frame is provided with a semicircular surface, the shape of the limit block is L-shaped, and the outer wall of the limit block is provided with a first inclined surface.

[0010] As a further solution of the present invention: the number of the discharge ports is equal to the number of the filter frames, and the discharge ports are located above the filter frames.

[0011] As a further solution of the present invention: one end of the clamping block extending into the inner cavity of the barrel cover is provided with a semicircular surface, the shape of the clamping block is Z-shaped, and the outer wall of the movable ring fits with the inner wall of the groove.

[0012] As a further solution of the present invention: the baffle is circular in shape, and the inner wall of the discharge port is in contact with the outer wall of the baffle.

[0013] As a further solution of the present invention: the inner wall of the slider is provided with a ball matching the threaded rod, one end of the slider is provided with a second inclined surface, and the bottom end of the second spring is in contact with the second inclined surface.

[0014] Preparation of Probiotic Fermented Greek Yogurt Cold Extract Yogurt Machine Preparation of Probiotic Fermented Greek Yogurt The probiotic fermented Greek yogurt is composed of the following parts by weight: 4-6 parts of milk; 1 part of milk protein powder; 1 part of whey protein powder; 3 parts of white sugar; 1 part of starter;

[0015] The fermentation agent is composed of Lactobacillus delbrueckii and Streptococcus thermophilus in a mass ratio of 1:1;

[0016] The specific steps are as follows:

[0017] Step 1: Mix milk, milk protein powder, whey protein powder and white sugar;

[0018] Step 2: homogenizing the mixture obtained in step 1;

[0019] Step 3: sterilizing the homogenized mixture obtained in step 2;

[0020] Step 4: adding the starter culture to the sterilized mixture obtained in step 3 and fermenting;

[0021] Step 5: Drying and powdering the fermentation product obtained in step 4 to obtain Greek yogurt powder;

[0022] Step 6: Dissolve Greek yogurt powder in hot water and cool to 43 degrees Celsius. Then add probiotics, stir thoroughly, and add to the storage seat of the cold-brewed yogurt machine to ferment at 43 degrees Celsius for 8 hours. After refrigeration for 3 hours, take out the yogurt and stir evenly so that the yogurt evenly enters the filter frame 404 through the discharge port. After refrigeration for 8-16 hours, take out the yogurt in the filter frame to obtain cold-brewed Greek yogurt.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] By setting up a cold extraction mechanism and a connecting mechanism, the connecting frame is brought into contact with the mounting frame for connection; after completion, the yogurt is poured into the storage seat, at which time the discharge port is in a closed state, and then the storage seat is placed into the barrel body. After completion, the barrel body is closed through the barrel cover, and at this time, the movable ring moves into the groove and contacts the push plate, and the push plate pushes the slider to move, and the movement of the slider drives the threaded rod to rotate, and the rotation of the threaded rod drives the baffle to rotate, automatically opening the discharge port, so that the yogurt evenly enters the filter frame through the discharge port for cold extraction, and multiple filter frames are used to increase the contact area between the yogurt and the filter, thereby improving the cold extraction efficiency of the yogurt. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the installation of the barrel cover of the present invention;

[0027] Figure 3 is a cross-sectional view of the barrel cover of the present invention;

[0028] Figure 4 is a cross-sectional view of the barrel of the present invention;

[0029] Figure 5 This is a schematic diagram of the installation of the filter frame of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the filter frame of the present invention;

[0031] Figure 7 is a cross-sectional view of the storage seat of the present invention;

[0032] Figure 8 For the present invention Figure 7 Enlarged view of point A in the middle.

[0033] In the figure: 1. barrel body; 2. barrel cover; 3. annular seat; 4. cold brew mechanism; 401. storage seat; 402. connecting frame; 403. mounting frame; 404. filter frame; 405. connecting groove; 406. limiting block; 407. movable rod; 408. connecting ring; 409. discharge port; 410. support ring; 5. connecting mechanism; 501. clamping block; 502. first spring; 503. fixing frame; 504. push rod; 505. movable ring; 506. annular groove; 507. groove; 508. baffle; 509. threaded rod; 510. slider; 511. second spring; 512. push plate. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figures 1-8 In an embodiment of the present invention, a process for preparing probiotic fermented Greek yogurt using a cold-brewed yogurt machine is provided. The probiotic fermented Greek yogurt is composed of the following parts by weight: 4-6 parts of milk; 1 part of milk protein powder; 1 part of whey protein powder; 3 parts of white sugar; and 1 part of a starter; the starter is composed of Lactobacillus delbrueckii and Streptococcus thermophilus in a mass ratio of 1:1.

[0036] The specific steps of the preparation process are as follows:

[0037] Step 1: Mix milk, milk protein powder, whey protein powder and white sugar;

[0038] Step 2: homogenizing the mixture obtained in step 1;

[0039] Step 3: sterilizing the homogenized mixture obtained in step 2;

[0040] Step 4: adding a starter culture to the sterilized mixture obtained in step 3 and fermenting;

[0041] Step 5: Drying and powdering the fermentation product obtained in step 4 to obtain Greek yogurt powder;

[0042] Step 6: Add Greek yogurt powder to hot water to dissolve it and cool it to 43 degrees Celsius. Then add probiotics, stir thoroughly, add it to the storage seat 401 of the cold-brewed yogurt machine, and ferment it at 43 degrees Celsius for 8 hours. After refrigeration for 3 hours, take out the yogurt and stir it evenly so that the yogurt enters the filter frame 404 evenly through the discharge port 409. After refrigeration for 8-16 hours, take out the yogurt in the filter frame 404 to obtain the cold-brewed Greek yogurt.

[0043] The cold-extracted yogurt machine for preparing Greek yogurt fermented with probiotics includes a barrel body 1, a barrel cover 2 is arranged on the top of the barrel body 1, and an annular seat 3 is fixedly connected to the bottom end of the inner cavity of the barrel cover 2. The barrel cover 2 is used to close the barrel body 1 to prevent dust from entering. The barrel body 1 cold-extracts yogurt through a cold extraction mechanism 4.

[0044] The cold extraction mechanism 4 includes a storage seat 401, which is arranged in the inner cavity of the barrel body 1. The outer wall of the storage seat 401 is fixedly connected to a connecting frame 402. The bottom end of the connecting frame 402 is provided with a mounting frame 403. The inner cavity of the mounting frame 403 is fixedly connected to a filter frame 404. The filter frame 404 is used to cold extract yogurt. The outer wall of the mounting frame 403 is provided with a connecting groove 405. The connecting groove 405 is used to insert the connecting frame 402. The interior of the connecting frame 402 is slidably connected to a limit block 406 extending from the connecting frame 402. The limit block 406 is used to limit the mounting frame 403. The connecting frame 402 The interior of the barrel 1 is located on one side of the limit block 406 and is slidably connected to a movable rod 407, which extends to the top of the connecting frame 402, and the top of the movable rod 407 is fixedly connected to a connecting ring 408. The movable rod 407 is used to fix the limit block 406, and a discharge port 409 is provided at the bottom end of the storage seat 401. The yogurt in the storage seat 401 flows into the filter frame 404 through the discharge port 409. The inner cavity of the barrel body 1 is fixedly connected to a support ring 410, and the connecting frame 402 is in contact with the support ring 410 to support and place the storage seat 401; the barrel body 1 and the barrel cover 2 are connected by a connecting mechanism 5.

[0045] In this embodiment: when cold-brewing yogurt, the connecting frame 402 is inserted into the connecting groove 405 until the mounting frame 403 passes over the limit block 406. After completion, the connecting ring 408 is pushed downward, and the movement of the connecting ring 408 drives the movable rod 407 to move. The movable rod 407 moves to push the limit block 406 to move, and continues to move to fix the limit block 406. The limit block 406 moves and contacts the mounting frame 403, thereby limiting the mounting frame 403.

[0046] After completion, pour the yogurt into the storage seat 401. At this time, the discharge port 409 is in a closed state. Then, the storage seat 401 is placed in the barrel body 1. The connecting frame 402 contacts the support ring 410 to support and place the storage seat 401. After completion, the barrel body 1 is closed through the barrel cover 2. At this time, the discharge port 409 is automatically opened through the cooperation of the parts inside the connecting mechanism 5, so that the yogurt enters the filter frame 404 evenly through the discharge port 409 for cold extraction. Multiple filter frames 404 are used to increase the contact area between the yogurt and the filter, thereby improving the cold extraction efficiency of the yogurt.

[0047] Please refer to Figure 3 、 Figure 4 、 Figure 7 and Figure 8 , the connecting mechanism 5 includes a card block 501, the card block 501 is slidably connected to the inside of the barrel cover 2 and extends into the inner cavity of the barrel cover 2, a first spring 502 is connected between the card block 501 and the barrel cover 2, the internal sliding connection of the card block 501 is extended to the fixing frame 503 above the barrel cover 2, the outer wall of the fixing frame 503 is fixedly connected to a push rod 504 extending into the inside of the annular seat 3, the bottom end of the push rod 504 is fixedly connected to a movable ring 505, the outer wall of the barrel body 1 is provided with an annular groove 506, the first spring 502 pushes the card block 501 into the annular groove 506, for connecting the barrel body 1 and the barrel cover 2, the connecting mechanism 5 also includes a groove 507, the groove 507 is opened at the top of the storage seat 401, the groove 5 07 is used for inserting the movable ring 505, and the inner cavity of the discharge port 409 is rotatably connected to the baffle 508, and the baffle 508 is used to open and close the discharge port 409. One end of the baffle 508 is fixedly connected to the threaded rod 509, and the outer wall of the threaded rod 509 is connected to the slider 510. The slider 510 is slidably connected to the inside of the storage seat 401, and a second spring 511 is connected between the slider 510 and the storage seat 401. The interior of the storage seat 401 is located at one end of the slider 510 and is slidably connected to a push plate 512, and the push plate 512 extends into the groove 507. The movable ring 505 enters the groove 507 and contacts the push plate 512, pushing the push plate 512 to move, and the push plate 512 pushes the slider 510 to move.

[0048] In this embodiment: the barrel cover 2 is placed on the top of the barrel body 1, at this time the annular seat 3 is in contact with the storage seat 401, and at the same time the clamping block 501 is displaced into the annular groove 506 by the elastic force of the first spring 502, thereby fixing the barrel cover 2, and then the fixing frame 503 is pushed downward, and the fixing frame 503 is displaced to contact the clamping block 501, thereby fixing the clamping block 501.

[0049] During the downward movement of the fixed frame 503, the push rod 504 is driven to move, and the movement of the push rod 504 drives the movable ring 505 to move. The movable ring 505 moves into the groove 507 and contacts the push plate 512, pushing the push plate 512 to move, and the push plate 512 pushes the slider 510 to move. The movement of the slider 510 drives the threaded rod 509 to rotate, and the rotation of the threaded rod 509 drives the baffle 508 to rotate, and the baffle 508 rotates to automatically open the discharge port 409.

[0050] Please refer to Figures 1-6 The outer wall of the connecting frame 402 is in contact with the inner wall of the connecting groove 405, and the end of the limit block 406 extending out of the connecting frame 402 is provided with a semicircular surface. The shape of the limit block 406 is L-shaped, and the outer wall of the limit block 406 is provided with a first inclined surface. The number of discharge ports 409 and filter frames 404 is equal, and the discharge port 409 is located above the filter frame 404.

[0051] In this embodiment: insert the connecting frame 402 into the connecting groove 405 until the mounting frame 403 passes the limit block 406. After completion, push the connecting ring 408 downward, and the movement of the connecting ring 408 drives the movable rod 407 to move. The movable rod 407 is displaced to push the limit block 406 to move, and continues to move to fix the limit block 406. The limit block 406 is displaced and contacts the mounting frame 403, thereby limiting the mounting frame 403. After completion, pour the yogurt into the storage seat 401. At this time, the discharge port 409 is in a closed state. Then, the storage seat 401 is placed in the barrel body 1. The connecting frame 402 contacts the support ring 410 to support and place the storage seat 401.

[0052] Please refer to Figure 3 and Figure 4 One end of the block 501 extending into the inner cavity of the barrel cover 2 is provided with a semicircular surface. The shape of the block 501 is Z-shaped, and the outer wall of the movable ring 505 fits with the inner wall of the groove 507.

[0053] In this embodiment: the barrel cover 2 is placed on the top of the barrel body 1, at this time the annular seat 3 is in contact with the storage seat 401, and at the same time the clamping block 501 is displaced into the annular groove 506 by the elastic force of the first spring 502, thereby fixing the barrel cover 2, and then the fixing frame 503 is pushed downward, and the fixing frame 503 is displaced to contact the clamping block 501, thereby fixing the clamping block 501.

[0054] Please refer to Figure 7 and Figure 8 The baffle 508 is circular in shape, the inner wall of the discharge port 409 fits into the outer wall of the baffle 508, the inner wall of the slider 510 is provided with a ball that matches the threaded rod 509, and one end of the slider 510 is provided with a second inclined surface, and the bottom end of the second spring 511 contacts the second inclined surface.

[0055] In this embodiment: during the downward movement of the fixed frame 503, the push rod 504 is driven to move, the movement of the push rod 504 drives the movable ring 505 to move, the movable ring 505 moves into the groove 507 and contacts the push plate 512, pushing the push plate 512 to move, the push plate 512 pushes the slider 510 to move, the movement of the slider 510 drives the threaded rod 509 to rotate, the rotation of the threaded rod 509 drives the baffle 508 to rotate, and the rotation of the baffle 508 automatically opens the discharge port 409.

[0056] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. Cold-brew yogurt machine for preparing Greek yogurt fermented with probiotics, characterized in that: It comprises a barrel body (1), a barrel cover (2) is provided above the barrel body (1), an annular seat (3) is fixedly connected to the bottom end of the inner cavity of the barrel cover (2), the barrel cover (2) is used to close the barrel body (1) to prevent dust from entering, and the barrel body (1) performs cold extraction on yogurt through a cold extraction mechanism (4); The cold extraction mechanism (4) includes a storage seat (401), the storage seat (401) is arranged in the inner cavity of the barrel body (1), the outer wall of the storage seat (401) is fixedly connected to a connecting frame (402), the bottom end of the connecting frame (402) is provided with a mounting frame (403), the inner cavity of the mounting frame (403) is fixedly connected to a filter frame (404), the filter frame (404) is used for cold extraction of yogurt, the outer wall of the mounting frame (403) is provided with a connecting groove (405), the connecting groove (405) is used for inserting the connecting frame (402), the interior of the connecting frame (402) is slidably connected to a limiting block (406) extending from the connecting frame (402), the limiting block (406) is used to limit the mounting frame (403), the connecting frame (402 ... connecting frame (402) is provided with a connecting groove (406) extending from the connecting frame (402), the connecting frame (402) is provided with a connecting groove (405), the connecting groove (405) is used for inserting the connecting frame (402), the connecting frame (402) is provided with a connecting groove (406) extending from the connecting frame (402), the connecting frame (402) is provided with a connecting groove (405), the connecting groove (405) is used for inserting the connecting frame (402), the connecting frame (40 A movable rod (407) is slidably connected to one side of the limit block (406) inside, and the movable rod (407) extends to the top of the connecting frame (402). The top of the movable rod (407) is fixedly connected to a connecting ring (408). The movable rod (407) is used to fix the limit block (406). A discharge port (409) is provided at the bottom end of the storage seat (401). The yogurt in the storage seat (401) flows into the filter frame (404) through the discharge port (409). A support ring (410) is fixedly connected to the inner cavity of the barrel body (1). The connecting frame (402) contacts the support ring (410) to support and place the storage seat (401). The barrel body (1) and the barrel cover (2) are connected via a connecting mechanism (5). The connecting mechanism (5) includes a clamping block (501), the clamping block (501) is slidably connected to the interior of the barrel cover (2) and extends into the inner cavity of the barrel cover (2), a first spring (502) is connected between the clamping block (501) and the barrel cover (2), the interior of the clamping block (501) is slidably connected to a fixing frame (503) extending above the barrel cover (2), the outer wall of the fixing frame (503) is fixedly connected to a push rod (504) extending into the interior of the annular seat (3), the bottom end of the push rod (504) is fixedly connected to a movable ring (505), the outer wall of the barrel body (1) is provided with an annular groove (506), and the first spring (502) pushes the clamping block (501) into the annular groove (506) for connecting the barrel body (1) and the barrel cover (2); The connecting mechanism (5) further comprises a groove (507), wherein the groove (507) is provided at the top end of the storage seat (401), wherein the groove (507) is used for inserting the movable ring (505), wherein the inner cavity of the discharge port (409) is rotatably connected to a baffle (508), wherein the baffle (508) is used for opening and closing the discharge port (409), wherein one end of the baffle (508) is fixedly connected to a threaded rod (509), wherein the outer wall of the threaded rod (509) is connected to a slider (510), wherein the slider (510) is slidably connected to the inner cavity of the discharge port (409). Connected to the interior of the storage seat (401), a second spring (511) is connected between the slider (510) and the storage seat (401), and a push plate (512) is slidably connected to one end of the slider (510) located inside the storage seat (401), and the push plate (512) extends into the groove (507), and the movable ring (505) enters the groove (507) and contacts the push plate (512), pushing the push plate (512) to move, and the push plate (512) pushes the slider (510) to move; The number of the discharge ports (409) and the filter frames (404) is equal, and the discharge ports (409) are located above the filter frames (404).

2. The cold-extracted yogurt machine for preparing Greek yogurt fermented with probiotics according to claim 1, characterized in that: The outer wall of the connecting frame (402) is fitted with the inner wall of the connecting groove (405); one end of the limiting block (406) extending out of the connecting frame (402) is provided with a semicircular surface; the limiting block (406) is L-shaped; and the outer wall of the limiting block (406) is provided with a first inclined surface.

3. The cold-extracted yogurt machine for preparing Greek yogurt fermented with probiotics according to claim 1, characterized in that: One end of the clamping block (501) extending into the inner cavity of the barrel cover (2) is provided with a semicircular surface. The clamping block (501) is in a Z-shape, and the outer wall of the movable ring (505) fits the inner wall of the groove (507).

4. The cold-extracted yogurt machine for preparing Greek yogurt fermented with probiotics according to claim 1, characterized in that: The baffle (508) is circular in shape, and the inner wall of the discharge port (409) fits in contact with the outer wall of the baffle (508).

5. The cold-extracted yogurt machine for preparing probiotic fermented Greek yogurt according to claim 1, characterized in that: The inner wall of the slider (510) is provided with a ball bearing that matches the threaded rod (509), and one end of the slider (510) is provided with a second inclined surface, and the bottom end of the second spring (511) is in contact with the second inclined surface.

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