Beverage extraction device

Abstract

The present invention discloses a beverage extraction device, comprising a base (1), a first machine part (2), a second machine part (3), two clamping plates (5) and a support block (6), wherein a slot (511) for inserting an annular edge (41) is formed between a clamping head (51) of the clamping plate (5) and the second machine part (3); the support block (6) is rotatably connected to the second machine part (3), and has a support surface (60) at the top for supporting the annular edge (41), a first guide surface (61) at the rear end, and a second guide surface (62) at the front end; the base (1) has a first blocking portion (13) and a second blocking portion (14) which can contact and cooperate with the first guide surface (61) and the second guide surface (62) respectively, and a limiting structure is provided between the second machine part (3) and the support block (6). Compared with the prior art, the beverage extraction device of the present invention can realize automatic package removal and has good reliability.

Description

Technical Field

[0001] The invention relates to the technical field of beverage extraction, in particular to a beverage extraction device. Background Art

[0002] A coffee machine is a type of beverage extraction device. To facilitate operation, existing coffee machines have a function of automatically removing coffee bags.

[0003] For example, the invention patent "Package delivery and unpacking mechanism for beverage extraction device" with patent application number CN201610820855.8 (publication number CN106264156A) discloses a bag delivery and unpacking mechanism for beverage extraction device, including a machine base; a first machine part; a second machine part; two clamping plates, the front end of the clamping plates has a blocking part, and a groove is formed in front of the blocking part; the left and right sides of the first machine part have blocking surfaces; the clamping plates are provided with guide holes arranged along the front and rear directions, and the left and right sides of the second machine part have hooks, which are located in the guide holes and can slide forward and backward relative to the guide holes, the front outer end face of the hook part and the front inner end face of the guide hole are in first contact and cooperation, the rear hook face of the hook part and the rear inner end face of the guide hole are in second contact and cooperation, the blocking part is provided with a through hole for the hook part to pass through, and the front inner end face of the hook part and the side face of the through hole are in third contact and cooperation. It is a bag delivery and unpacking mechanism for beverage extraction device with more reasonable structural design and smoother bag delivery and unpacking action.

[0004] However, in the above-mentioned beverage extraction device, the beverage package is limited by the blocking parts on both sides, and the beverage package is easy to fall when shaken, and its reliability in use needs to be improved. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a beverage extraction device which can realize automatic bag removal and has good reliability in view of the current status of the prior art.

[0006] The technical solution adopted by the present invention to solve the above technical problems is: a beverage extraction device, comprising

[0007] Machine base;

[0008] A first mechanism, relatively fixedly disposed at the front portion of the base, having an accommodating cavity for accommodating a beverage package with an annular edge; and

[0009] A second mechanism, slidably disposed at the rear portion of the base, for opening or closing the accommodating cavity;

[0010] It is characterized by: it also includes

[0011] Two clamping plates are respectively arranged on both sides of the second machine part and can move forward and backward with the second machine part, and the front end of each clamping plate has a clamping head extending to the front of the front end surface of the second machine part, and a slot for inserting the side edges of the left and right sides of the annular edge is formed between the clamping head and the front end surface of the second machine part; and

[0012] A support block is disposed at the bottom of the second machine part, rotatably connected to the second machine part, has a support surface at the top for supporting the bottom side edge of the annular edge, has a first guide surface at the rear end, and has a second guide surface at the front end;

[0013] The rear part of the machine base has a first blocking portion that can contact and cooperate with the first guide surface, and the front part of the machine base has a second blocking portion that can contact and cooperate with the second guide surface;

[0014] A limiting structure for limiting the position of the support block is provided between the second mechanism and the support block;

[0015] When the second mechanism is in a fully opened state, the support block is in a limited position, so that the support surface can support the annular edges of the two side edges inserted into the slots;

[0016] In the process of the second mechanism being converted from the fully open state to the closed state, before the second guide surface of the support block contacts and cooperates with the second blocking portion of the base, the support block is always in a limited position to maintain the supporting function of the support surface, until the beverage package is at least partially limited in the accommodating cavity and the second guide surface contacts and cooperates with the second blocking portion, and the second blocking portion applies a downward thrust to the second guide surface to force the support block to release the limited position, so that the support block vertically droops under the action of its own gravity, the supporting function of the support surface is released, and the beverage package gradually moves forward to completely enter the accommodating cavity;

[0017] During the process of the second mechanism converting from a closed state to a fully open state, before the first guide surface of the support block contacts and cooperates with the first blocking portion of the base, the clamping head of the clamping plate hooks the annular edge of the beverage package to drive the beverage package out of the accommodating cavity, so that the beverage package automatically falls under the action of its own gravity until the first guide surface contacts and cooperates with the first blocking portion, and the first blocking portion applies an upward thrust to the first guide surface to force the support block to return to the limited state and restore the supporting function of the support surface.

[0018] In order to facilitate the processing of the limiting structure, a protrusion is provided on the side of the support block, and a clamping hole for the protrusion to be clamped in is provided on the second machine part, and the protrusion and the clamping hole constitute the limiting structure. In this way, when the second machine part is in a fully opened state, the protrusion is clamped in the clamping hole, so that the supporting surface can support the annular edges of the two side edges inserted into the slots;

[0019] In the process of the second mechanism being converted from the fully open state to the closed state, before the second guide surface of the support block contacts and cooperates with the second blocking portion of the base, the protrusion is always stuck in the locking hole to maintain the supporting effect of the support surface, until the beverage package is at least partially limited in the accommodating cavity and the second guide surface contacts and cooperates with the second blocking portion, the second blocking portion applies a downward thrust to the second guide surface to force the protrusion to disengage from the locking hole, so that the support block vertically droops under the action of its own gravity, the supporting effect of the support surface is released, and the beverage package gradually moves forward to completely enter the accommodating cavity;

[0020] During the process of the second mechanism converting from a closed state to a fully open state, before the first guide surface of the support block contacts and cooperates with the first blocking portion of the base, the clamping head of the clamping plate hooks the annular edge of the beverage package to drive the beverage package out of the accommodating cavity, so that the beverage package automatically falls under the action of its own gravity until the first guide surface contacts and cooperates with the first blocking portion, and the first blocking portion applies an upward thrust to the first guide surface to force the protrusion to be stuck in the clamping hole, thereby restoring the supporting function of the support surface.

[0021] Of course, other limiting structures can also be used, such as setting two corresponding protrusions on the opposite surfaces of the support block and the second machine part, so that when the protrusion on the support block moves above the protrusion on the second machine part, the protrusion on the second machine part will support the protrusion on the support block, and the support block is in a limited state; when the protrusion on the support block moves below the protrusion on the second machine part, the support block contacts the limited state.

[0022] In order to facilitate the first blocking portion to apply an upward thrust to the first guiding surface moving backward, at least a portion of the first guiding surface is an inclined surface or an arc surface that gradually rises from front to back.

[0023] In order to facilitate the second blocking portion to apply a downward thrust to the second guiding surface moving forward, at least a portion of the second guiding surface is an inclined surface or an arc surface that gradually rises from front to back.

[0024] In order to facilitate the insertion of the annular edge, the rear end of the clamp has a guiding slope that gradually decreases from front to back, so that the diameter of the slot gradually decreases from top to bottom.

[0025] In order to realize the rotational connection of the support block on the second machine part, a hinge seat is provided at the bottom of the second machine part, and the hinge seat includes two support plates arranged side by side, each support plate is provided with an axial hole, and the rear end of the support block has two rotating arms corresponding to the support plates one by one, and the side portion of the end of the rotating arm is protruding with a rotating shaft, which can be rotatably inserted in the axial hole of the corresponding rotating arm.

[0026] In order to ensure the stability of the support sheet after the protrusion is inserted into the locking hole, the locking hole is opened on each of the support sheets, and the protrusions corresponding to the locking holes are protruded on the left and right sides of the middle of the support block.

[0027] In order to facilitate the protrusion to be inserted into and removed from the protrusion, the protrusion is semi-spherical.

[0028] In order to avoid interference movement without affecting the auxiliary support function, the two clamping plates can be connected to the left and right sides of the second machine part in a relatively open and closed manner, the first machine part has a third blocking part that contacts and cooperates with the front end surface of the clamp, and there is a gap between the machine base and the second machine part;

[0029] In the process of the second part converting from the open state to the closed state, before the front end face of the chuck contacts and cooperates with the third blocking part of the first part, the gap can limit the clamping plate so that the two clamping plates are relatively closed until the front end face of the chuck contacts and cooperates with the third blocking part. The third blocking part applies an outward thrust to force the chuck to move outward so that the two clamping plates are relatively open. At the same time, the gap releases the limiting effect.

[0030] In order to ensure the supporting stability of the beverage package, when the two clamping plates are relatively closed, a clamping opening is formed between the clamping heads of the two clamping plates to limit the beverage package in the horizontal direction.

[0031] In order to ensure that the support block and the clamp plate remove their supporting functions at the same time, during the process of the second machine part being converted from an open state to a closed state, the front end surface of the chuck contacts and cooperates with the third blocking portion of the first machine part, while the second guide surface of the support block contacts and cooperates with the second blocking portion of the machine base.

[0032] Compared with the prior art, the advantages of the present invention are as follows: by arranging clamping plates on both sides of the second body to provide auxiliary support for the left and right sides of the annular edge of the beverage package, and by rotatably connecting the support block at the bottom of the second body to provide main support for the bottom side of the annular edge, when the second mechanism is in a fully opened state, the three-point support can ensure the support stability of the beverage package, and in the process of the second mechanism being converted from a fully opened state to a closed state, before the second guide surface of the support block contacts and cooperates with the second blocking portion of the base, the support block is always in a limited state to maintain the supporting effect of the support surface, until the beverage package is at least partially limited in the accommodating cavity and the second guide surface contacts and cooperates with the second blocking portion, and the second blocking portion The first stopper exerts a downward thrust on the second guide surface to force the support block to release the limited state, so that the support block vertically droops under the action of its own weight, the support function of the support surface is released, and the beverage package gradually moves forward to completely enter the accommodating cavity; in the process of the second mechanism converting from the closed state to the fully open state, before the first guide surface of the support block contacts and cooperates with the first blocking portion of the base, the clamping head of the clamping plate hooks the annular edge of the beverage package to drive the beverage package out of the accommodating cavity, so that the beverage package automatically falls under the action of its own weight, until the first guide surface contacts and cooperates with the first blocking portion, and the first blocking portion exerts an upward thrust on the first guide surface to force the support block to resume the limited state, thereby restoring the support function of the support surface;

[0033] Therefore, due to the setting of the support block, the support block plays a role of limiting the beverage package in the vertical direction, serving as the main support point, and the splint only plays a role of limiting the beverage package in the horizontal direction, serving as an auxiliary support point. On the one hand, the three-point support has good reliability, and on the other hand, the beverage package can automatically fall off when the support block releases its supporting function, making it easy to remove the package. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the beverage extraction device of the present invention in a fully opened state;

[0035] Figure 2 for Figure 1 A longitudinal cross-sectional view of

[0036] Figure 3 for Figure 1 Longitudinal section view after packaging;

[0037] Figure 4 for Figure 1 Transverse cross-sectional view after packaging;

[0038] Figure 5 for Figure 1 A schematic diagram of the three-dimensional structure of the second machine part, the clamping plate and the supporting block;

[0039] Figure 6 for Figure 5 Schematic diagram of the three-dimensional decomposition of

[0040] Figure 7 for Figure 3 A longitudinal cross-sectional view during the forward movement of the second member and before the second guide surface contacts and engages with the second blocking portion;

[0041] Figure 8 for Figure 4 A longitudinal cross-sectional view during the forward movement of the second member and before the chuck contacts and engages with the third blocking portion;

[0042] Fig. 9 for Figure 7 A longitudinal cross-sectional view when the second member is in the process of moving forward and the second guide surface is in contact with the second blocking portion;

[0043] Fig.10 for Figure 8 A longitudinal cross-sectional view when the second member is in the process of moving forward and the chuck is in contact with the third blocking portion;

[0044] Fig.11 for Fig. 9 A longitudinal sectional view of the second mechanism moving to a closed state;

[0045] Fig.12 for Fig.10 A longitudinal sectional view of the second mechanism moving to a closed state;

[0046] Fig.13 for Fig.11 A longitudinal cross-sectional view during the backward movement of the second member and before the first guide surface contacts and engages with the first blocking portion;

[0047] Fig.14 for Fig.12 A longitudinal cross-sectional view during the backward movement of the second component and before the first guiding surface contacts and cooperates with the first blocking portion. DETAILED DESCRIPTION

[0048] The present invention is further described in detail below with reference to the accompanying drawings.

[0049] like Figures 1 to 14 FIG. 2 is a preferred embodiment of the beverage extraction device of the present invention. The beverage extraction device comprises a base 1 , a first mechanism 2 , a second mechanism 3 , a clamping plate 5 and a support block 6 .

[0050] The interior of the base 1 is hollow. Figure 2 As shown, the top and bottom of the machine base 1 are respectively provided with a packing port 11 and a packing switching port 12, and the machine base 1 is respectively provided with a first blocking portion 13 and a second blocking portion 14 at the rear and front sides of the packing switching port 12, and the rear portion of the machine base 1 is provided with an axial channel 15 extending in the front-to-rear direction.

[0051] The first mechanism 2 is relatively fixedly arranged at the front of the base 1, and has a receiving cavity 21 for receiving a beverage package 4 with an annular edge 41. Figure 4 As shown, the left and right sides of the rear end of the first mechanism 2 have third blocking portions 22 , and at least a portion of the surface of the third blocking portion 22 is an inclined surface or a curved surface that gradually tilts inward from front to back.

[0052] The second mechanical part 3 is slidably disposed in the axial passage 15 and can open or close the accommodating cavity 21 under the drive of the driving mechanism. Figure 5 and Figure 6 As shown, a hinge seat 31 is provided at the bottom of the second mechanism 3, and the hinge seat 31 includes two supporting plates 311 arranged side by side, and an axis hole 3111 is opened at the rear of each supporting plate 311, and a clamping hole 3112 is opened at the front of each supporting plate 311; Figure 4 As shown, there is a gap 32 between the base 1 and the second component 3. In this embodiment, the driving mechanism adopts a connecting rod structure, and the specific structure of the connecting structure can be found in the background patent (the invention patent with patent application number CN201610820855.8 (publication number CN106264156A) "Packaging Delivery and De-packing Mechanism for Beverage Extraction Device") and the background patent of the background patent, which will not be repeated here.

[0053] There are two clamping plates 5, which can be connected to the left and right sides of the second machine part 3 in a relatively open and close manner, and can move forward and backward with the second machine part 3. Specifically, Figure 5 and Figure 6 As shown, the front end of each clamping plate 5 has a clamping head 51 extending to the front of the front end surface of the second machine part 3, and a slot 511 for inserting the side edges of the left and right sides of the annular edge 41 is formed between the clamping head 51 and the front end surface of the second machine part 3. The rear end of the clamping head 51 has a guiding inclined surface 512 that gradually decreases from front to back, so that the diameter of the slot 511 gradually decreases from top to bottom, which facilitates the insertion of the annular edge 41; Figure 5 As shown, when the two clamps 5 are relatively closed, a clamping opening 52 is formed between the clamps 51 of the two clamps 5 for limiting the beverage package 4 in the horizontal direction; in addition, the front end surface of the clamp 5 can contact and cooperate with the third blocking portion 22 mentioned above.

[0054] The support block 6 is hinged on the hinge seat 31. Specifically, Figure 5 and Figure 6As shown, the rear end of the support block 6 has two rotating arms 64 corresponding to the support sheet 311, and the side of the end of the rotating arm 64 is convexly provided with a rotating shaft 641, and the rotating shaft 641 can be rotatably inserted into the shaft hole 3111 of the corresponding rotating arm 64, so as to realize the rotation connection of the support block 6 at the bottom of the second machine part 3; the top of the support block 6 has a supporting surface 60 for supporting the bottom side edge of the annular edge 41; the rear end of the rotating arm 64 has a contact and cooperation with the first blocking portion 13 The first guide surface 61 of the support block 6 has at least a portion thereof being an inclined surface or an arc surface which gradually rises from the front to the back; the front end of the support block 6 has a second guide surface 62 which can contact and cooperate with the second blocking portion 14, and the second guide surface 62 has at least a portion thereof being an inclined surface or an arc surface which gradually rises from the front to the back; protrusions 63 which correspond to the card holes 3112 are convexly provided on the left and right side walls of the middle part of the support block 6, and the protrusions 63 are semi-spherical and can be inserted into the corresponding card holes 3112.

[0055] It is worth noting that the present embodiment and the background patent use similar splints, but in the background patent, the splint is provided with an arc surface, which can simultaneously limit the beverage package in the horizontal and vertical directions, thereby achieving support for the beverage package; while in the present embodiment, the support block 6 limits the beverage package in the vertical direction, serving as the main support point, and the splint 5 is not provided with an arc surface, and the width of the slot 511 is slightly larger than the diameter of the annular edge 41, and the width of the clamping opening 52 is slightly larger than the diameter of the beverage package 4. Therefore, the splint 5 only limits the beverage package 4 in the horizontal direction to prevent it from shaking left and right, and serves as an auxiliary support point. In this way, on the one hand, the three-point support has good reliability, and on the other hand, the beverage package 4 can automatically fall off when the support block 6 releases the support function, so that it is easy to remove the package.

[0056] In addition, in this embodiment, the specific connection structure between the clamping plate 5 and the second machine part 3 is the same as that of the background patent, so that the two clamping plates 5 can be relatively opened and closed in the process of sliding forward and backward with the second machine part 3, so as to achieve the first machine part 2 to give way, and avoid the clamping plate 5 from interfering with the first machine part 2 during the forward movement. However, as mentioned above, since the clamping plate 5 no longer needs to limit the beverage package 4 in the vertical direction, the clamping plate 5 in this embodiment can also be relatively fixedly installed on the second machine part 3. In this way, the first machine part 2 is provided with a giving way area to achieve the giving way of the clamping plate 5, so as to avoid the clamping plate 5 from interfering with the first machine part 2 during the forward movement, and there is no need to set a complex structure to achieve the opening and closing of the two clamping plates 5, which is simpler than the background patent.

[0057] When the second mechanism 3 is in the fully opened state, Figure 4 As shown, the gap 32 can limit the clamping plate 5, so that the two clamping plates 5 can be relatively closed to limit the beverage package 4 in the horizontal direction. At the same time, Figure 3As shown, the protrusion 63 is clamped in the clamping hole 3112, so that the support surface 60 can support the annular edge 41 with both side edges inserted into the slot 511;

[0058] During the transition of the second mechanism 3 from the fully open state to the closed state:

[0059] ① Such as Figure 8 As shown, before the front end surface of the clamp 51 contacts and cooperates with the third blocking portion 22 of the first mechanism 2, the gap 32 always limits the clamp 5 so that the two clamps 5 remain in a relatively closed state. Figure 7 As shown, the second guide surface 62 of the support block 6 is not in contact with the second blocking portion 14 of the base 1, and the protrusion 63 is always stuck in the hole 3112 to maintain the supporting function of the support surface 60;

[0060] ② If Fig.10 As shown, until the front end surface of the clamp 51 contacts and cooperates with the third blocking portion 22, the third blocking portion 22 applies an outward thrust to force the clamp 51 to move outward, so that the two clamps 5 are relatively opened (as shown in FIG. Fig.12 As shown), at the same time, the gap 32 releases the limiting effect; at the same time, as Fig. 9 As shown, the beverage package 4 is at least partially located in the accommodating cavity 21 and the second guide surface 62 is in contact with the second blocking portion 14. The second blocking portion 14 exerts a downward thrust on the second guide surface 62 to force the protrusion 63 to disengage from the clamping hole 3112, so that the support block 6 vertically droops under its own gravity (as shown in FIG. Fig.11 As shown), the supporting effect of the supporting surface 60 is released, and the beverage package 4 gradually moves forward until it completely enters the accommodating cavity 21;

[0061] During the transition of the second mechanism 3 from the closed state to the fully open state:

[0062] ① Such as Fig.13 and 14 As shown, before the first guide surface 61 of the support block 6 contacts and cooperates with the first blocking portion 13 of the base 1, after the front end surface of the clamping plate 5 is separated from the third blocking portion 22, the gap 32 resumes the limiting function, so that the two clamping plates 5 are relatively closed, and the clamping head 51 of the clamping plate 5 hooks the annular edge 41 of the beverage package 4 to drive the beverage package 4 to separate from the accommodating cavity 21, so that the beverage package 4 automatically falls under the action of its own gravity;

[0063] ② Until the first guide surface 61 contacts and cooperates with the first blocking portion 13, the first blocking portion 13 applies an upward thrust to the first guide surface 61 to force the protrusion 63 to snap into the snap hole 3112, thereby restoring the supporting function of the supporting surface 60 (such as Figure 3 shown).

[0064] The working principle of this embodiment is as follows:

[0065] (1) Packaging process: When packaging is required, the second machine part 3 only needs to be moved backward by the driving mechanism. After the first guide surface 61 of the support block 6 contacts and cooperates with the first blocking portion 13 of the base 1, the first blocking portion 13 will exert an upward thrust on the first guide surface 61 to force the protrusion 63 to be locked in the locking hole 3112. Figure 2 As shown, when the second mechanism 3 is in a fully opened state, the support surface 60 of the support block 6 can provide support, and then the annular edge 41 of the beverage package 4 is aligned with the slot 511 and loaded from the packing opening 11, as shown in FIG. Figure 3 and Figure 4 As shown, the main body of the beverage package 4 is limited in the clamping opening 52 between the two clamps 51, the bottom edge of the annular edge 41 abuts against the support surface 60 of the support block 6, and the side edges of the annular edge 41 are limited in the slots 511, forming a stable three-point support;

[0066] (2) Package delivery process: Figure 7 and Figure 8 As shown, the second mechanism 3 moves forward, driving the clamping plate 5 and the supporting block 6 to move forward synchronously, always maintaining the supporting effect on the beverage package 4;

[0067] Until the second machine part 3 moves forward to Fig. 9 and Fig.10 When the beverage bag 4 is in the position shown, the front part of the beverage bag 4 enters the accommodating cavity 21 and the second guide surface 62 of the support block 6 contacts and cooperates with the second blocking portion 14 of the base 1, and the second blocking portion 14 applies a downward thrust to the second guide surface 62 to force the protrusion 63 to disengage from the clamping hole 3112; the front end surface of the clamp 51 contacts and cooperates with the third blocking portion 22, and the third blocking portion 22 applies an outward thrust to the front end surface of the clamp 51 to force the clamp 51 to move outward;

[0068] The second mechanism 3 is further moved forward to Fig.11 and Fig.12 When the beverage bag 4 is in the closed state, the support block 6 sags vertically under its own gravity, releasing the supporting function of the support surface 60; the two clamping plates 5 are relatively opened, releasing the auxiliary supporting function of the slot 511; the beverage bag 4 completely enters the accommodating cavity 21, and extraction can be carried out at this time;

[0069] (3) Unpacking process: After the extraction is completed, Fig.13 and Fig.14 As shown, the second machine part 3 moves backward, before the first guiding surface 61 of the supporting block 6 contacts and cooperates with the first blocking portion 13 of the base 1, after the front end surface of the clamp 51 is separated from the third blocking portion 22, the gap 32 resumes the limiting function, so that the two clamps 5 are relatively closed, and the clamp 51 of the clamp 5 hooks the annular edge 41 of the beverage package 4 to drive the beverage package 4 out of the accommodating cavity 21, so that the beverage package 4 automatically falls under the action of its own gravity, and the package is removed.

Claims

1. A beverage extraction device, comprising Machine base (1); A first mechanism (2) is relatively fixedly arranged at the front of the base (1), and has a receiving cavity (21) therein for receiving a beverage package (4) with an annular edge (41); and A second mechanism (3) is disposed at the rear portion of the base (1) so as to be slidable forward and backward and is used to open or close the accommodating cavity (21); Features: Also includes Two clamping plates (5) are respectively arranged on both sides of the second machine part (3) and can move forward and backward with the second machine part (3). The front end of each clamping plate (5) has a clamping head (51) extending to the front of the front end surface of the second machine part (3). A slot (511) is formed between the clamping head (51) and the front end surface of the second machine part (3) for inserting the side edges of the left and right sides of the annular edge (41); and A support block (6) is arranged at the bottom of the second machine part (3), rotatably connected to the second machine part (3), has a support surface (60) at the top for supporting the bottom side edge of the annular edge (41), has a first guide surface (61) at the rear end, and has a second guide surface (62) at the front end; The rear portion of the machine base (1) has a first blocking portion (13) capable of contacting and cooperating with the first guide surface (61), and the front portion of the machine base (1) has a second blocking portion (14) capable of contacting and cooperating with the second guide surface (62); A limiting structure for limiting the position of the support block (6) is provided between the second machine part (3) and the support block (6); When the second mechanism (3) is in a fully opened state, the support block (6) is in a limited position, so that the support surface (60) can support the annular edge (41) whose side edges are inserted into the slot (511); In the process of the second mechanism (3) being converted from the fully open state to the closed state, before the second guide surface (62) of the support block (6) contacts and cooperates with the second blocking portion (14) of the base (1), the support block (6) is always in a limited state to maintain the supporting function of the support surface (60), until the beverage package (4) is at least partially limited in the accommodating cavity (21) and the second guide surface (62) contacts and cooperates with the second blocking portion (14), and the second blocking portion (14) applies a downward thrust to the second guide surface (62) to force the support block (6) to release the limited state, so that the support block (6) vertically droops under the action of its own weight, the supporting function of the support surface (60) is released, and the beverage package (4) gradually moves forward to completely enter the accommodating cavity (21); During the process of the second mechanism (3) being converted from a closed state to a fully open state, before the first guide surface (61) of the support block (6) contacts and cooperates with the first blocking portion (13) of the base (1), the clamping head (51) of the clamping plate (5) hooks the annular edge (41) of the beverage package (4) to drive the beverage package (4) out of the accommodating cavity (21), so that the beverage package (4) automatically falls under the action of its own gravity until the first guide surface (61) contacts and cooperates with the first blocking portion (13), and the first blocking portion (13) applies an upward thrust to the first guide surface (61), forcing the support block (6) to return to the limited state, thereby restoring the supporting function of the support surface (60).

2. The beverage extraction device according to claim 1, characterized in that: The side of the support block (6) is provided with a protrusion (63), and the second machine part (3) has a clamping hole (3112) for the protrusion (63) to be clamped into, and the protrusion (63) and the clamping hole (3112) constitute the limiting structure.

3. The beverage extraction device according to claim 2, characterized in that: The protrusion (63) is in a semi-spherical shape.

4. The beverage extraction device according to claim 1, characterized in that: At least part of the first guide surface (61) is an inclined surface or a curved surface that gradually rises from front to back.

5. The beverage extraction device according to claim 1, characterized in that: At least a portion of the second guide surface (62) is an inclined surface or an arc surface that gradually rises from front to back.

6. The beverage extraction device according to claim 1, characterized in that: The rear end of the clamp (51) has a guiding slope (512) which gradually decreases from front to back, so that the diameter of the slot (511) gradually decreases from top to bottom.

7. The beverage extraction device according to claim 1, characterized in that: A hinge seat (31) is provided at the bottom of the second machine part (3), and the hinge seat (31) includes two supporting plates (311) arranged side by side, and each supporting plate (311) is provided with an axial hole (3111). The rear end of the supporting block (6) has two rotating arms (64) corresponding to the supporting plates (311) one by one, and a rotating shaft (641) is protruded from the side of the end of the rotating arm (64), and the rotating shaft (641) can be rotatably inserted into the axial hole (3111) of the corresponding rotating arm (64).

8. The beverage extraction device according to any one of claims 1 to 7, characterized in that: The two clamping plates (5) can be connected to the left and right sides of the second machine part (3) in a relatively open and closed manner, the first machine part (2) has a third blocking portion (22) that contacts and cooperates with the front end surface of the clamp (51), and a gap (32) is provided between the machine base (1) and the second machine part (3); During the process of the second mechanism (3) being converted from an open state to a closed state, before the front end face of the chuck (51) contacts and cooperates with the third blocking portion (22) of the first mechanism (2), the gap (32) can limit the clamp (5) so that the two clamps (5) are relatively closed until the front end face of the chuck (51) contacts and cooperates with the third blocking portion (22). The third blocking portion (22) applies an outward thrust to force the chuck (51) to move outward so that the two clamps (5) are relatively opened. At the same time, the gap (32) releases the limiting effect.

9. The beverage extraction device according to claim 8, characterized in that: When the two clamping plates (5) are relatively closed, a clamping opening (52) is formed between the clamping heads (51) of the two clamping plates (5) for limiting the position of the beverage package (4) in the horizontal direction.

10. The beverage extraction device according to claim 8, characterized in that: During the process of the second machine part (3) being converted from an open state to a closed state, the front end surface of the clamp (51) contacts and cooperates with the third blocking portion (22) of the first machine part (2), while the second guide surface (62) of the support block (6) contacts and cooperates with the second blocking portion (14) of the machine base (1).

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