Preform inserting device and heating machine

Abstract

A preform inserting device and a heating machine. The heating machine comprises a preform inserting device (100) and a frame (200). The preform inserting device (100) comprises a rotating mechanism (10) and a plurality of bottom supporting mechanisms (20). The rotating mechanism (10) can rotate around an axis in the vertical direction relative to the frame (200), the rotating mechanism (10) is provided with a plurality of first matching portions (121) in the circumferential direction, and the first matching portions (121) are configured to limit the upper ends of bottle preforms. The plurality of bottom supporting mechanisms (20) are connected to the rotating mechanism (10) and are arranged below the plurality of first matching portions (121) in a one-to-one correspondence manner, and the bottom supporting mechanisms (20) can move upwards in the vertical direction at a preset time so as to support and align the lower ends of the bottle preforms located at the corresponding first matching portions (121).

Description

Embryo inserting device and heating machine

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on March 19, 2024, with application number 202410315075.2, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of heating machines, for example, to a embryo insertion device and a heating machine. Background Art

[0003] The bottle blowing production line is used to heat and blow-mold preforms into shape, wherein the preforms are heated by a heating machine. In related art, the heating machine includes a heating furnace, a conveyor chain, a preform clamping mechanism, and a preform insertion device. The preform clamping mechanism is installed on the conveyor chain, and the preform insertion device is installed outside the heating furnace. The preform insertion device can receive preforms from upstream. The preform clamping mechanism can output a top-to-bottom movement to insert the preform into the upper opening and grasp the preform (hereinafter referred to as preform insertion). The conveyor chain can drive the preform clamping mechanism and the preform into the heating furnace together. After the preform is heated, the conveyor chain drives the preform clamping mechanism and the preform out of the heating furnace together.

[0004] When using the above-mentioned heating machine to insert preforms with a relatively large height, it is easy for the preforms to be inserted incorrectly or not in place, thereby affecting the clamping firmness of the preforms and the subsequent heating uniformity. Summary of the Invention

[0005] The present application proposes a preform insertion device, which can ensure that a preform clamping mechanism is accurately inserted into and grasps the preform.

[0006] The present application proposes a warming machine, which, by providing the above-mentioned preform insertion device, can ensure that the preform clamping mechanism is accurately inserted into and grasps the preform, thereby improving the yield rate of preform processing.

[0007] The present application provides an embryo insertion device installed on a frame, the embryo insertion device comprising:

[0008] a rotating mechanism capable of rotating relative to the frame about a vertical axis, wherein the rotating mechanism is provided with a plurality of first matching portions along a circumferential direction, wherein the first matching portions are configured to limit the upper end of the preform;

[0009] A plurality of bottom supporting mechanisms are connected to the rotating mechanism and are arranged one by one below the plurality of first matching portions. The bottom supporting mechanisms can move upward in a vertical direction at a preset time to support and guide the lower end of the bottle blank located at the corresponding first matching portion.

[0010] In one embodiment, the rotating mechanism includes a third turntable and a plurality of first guide posts arranged circumferentially along the third turntable, each first guide post being capable of vertically ascending and descending relative to the third turntable, each of the bottom supporting mechanisms being connected to at least one of the first guide posts, and the embryo insertion device further comprising:

[0011] A first cam guide rail is connected to the frame, and the bottom supporting mechanism can abut against the first cam guide rail during the movement of the rotating mechanism. The first cam guide rail includes a first boss portion, and the first boss portion can lift the bottom supporting mechanism upward so that the bottom supporting mechanism supports the corresponding lower end of the bottle preform.

[0012] In one embodiment, the embryo insertion device further includes an elastic reset member, one end of which is connected to the rotating mechanism, and the other end is connected to the bottom supporting mechanism, and the elastic reset member has a tendency to cause the bottom supporting mechanism to move downward to separate from the lower end of the bottle embryo.

[0013] In one embodiment, each of the bottom supporting mechanisms comprises:

[0014] a connecting assembly connected to at least one of the first guide posts and capable of abutting against the first cam guide rail;

[0015] A supporting member capable of moving vertically relative to the connecting assembly, wherein the supporting member is provided with a supporting groove, the shape of which matches the shape of the bottom of the bottle preform;

[0016] An elastic buffer is vertically arranged between the connecting assembly and the supporting member.

[0017] In one embodiment, the connecting assembly includes at least two guide posts arranged in a vertical direction, the supporting member is in sliding cooperation with the at least two guide posts, and each guide post is sleeved with one elastic buffer member.

[0018] In one embodiment, the connection assembly includes:

[0019] a connecting plate connected to at least one of the first guide pillars;

[0020] The first bearing is connected to the connecting plate. During the rotation of the rotating mechanism, the first bearing can abut against the first cam guide rail and roll with the first cam guide rail.

[0021] An embodiment of the present application provides a warming machine, comprising a heating furnace, a conveyor chain, a plurality of preform clamping mechanisms connected to the conveyor chain, and the preform inserting device. The conveyor chain can drive the preform clamping mechanisms to move above the first mating portion that clamps the preform. At least a portion of the preform clamping mechanisms can move downward to grasp the preform. The conveyor chain can also drive the preform clamping mechanisms to move into the heating furnace.

[0022] In one embodiment, the warming machine further includes a feeding and conveying mechanism, and the feeding and conveying mechanism includes:

[0023] A guide body connected to the frame and formed with a feed slide and a guide wall;

[0024] a rotating conveying member connected to the frame and disposed on one side of the guide wall; the rotating conveying member is provided with a plurality of second mating portions along a circumferential direction; the second mating portions are capable of mating with the guide wall to clamp the upper end of the preform; the rotating conveying member is capable of rotating relative to the frame to transport the preform from the feed chute to the first mating portions; the first mating portions and the second mating portions are capable of jointly clamping the upper end of the preform.

[0025] In one embodiment, the embryo insertion device further comprises:

[0026] a second cam guide rail connected to the frame, the second cam guide rail comprising a second guide rail body arranged around the rotating mechanism, and a second boss portion and a third boss portion respectively protruding from an upper surface of the second guide rail body;

[0027] a plurality of lifting drive mechanisms arranged along the circumference of the rotating mechanism and disposed above the plurality of first matching portions in a one-to-one correspondence, the lifting drive mechanisms being capable of rotating with the rotating mechanism and sliding along the second cam guide rail at the same time;

[0028] When the lifting drive mechanism moves from the second boss portion to the second guide rail body, the lifting drive mechanism moves downward relative to the rotating mechanism and docks with the preform clamping mechanism at a corresponding position. The lifting drive mechanism can drive the preform clamping mechanism to at least partially move downward to grasp the preform.

[0029] When the lifting drive mechanism moves from the second guide rail body to the third boss portion, the lifting drive mechanism moves upward relative to the rotating mechanism and separates from the preform clamping mechanism.

[0030] In one embodiment, the preform clamping mechanism includes:

[0031] A base and a clamping assembly, wherein the base is connected to the conveying chain, the clamping assembly can move up and down relative to the base, the upper end of the clamping assembly can be docked with the lifting drive mechanism, and the lower end can clamp the upper end of the bottle embryo. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] FIG1 is a schematic structural diagram of a heating machine provided in a specific embodiment of the present application from one viewing angle;

[0033] Figure 2 is an enlarged view of point A in Figure 1;

[0034] FIG3 is a schematic diagram of the partial structure of the heating machine provided in a specific embodiment of the present application from another perspective;

[0035] FIG4 is a schematic diagram of a partial structure of an embryo insertion device provided in a specific embodiment of the present application;

[0036] FIG5 is a schematic structural diagram of the structure in FIG4 from another perspective;

[0037] FIG6 is a schematic structural diagram of a bottom supporting mechanism provided in a specific embodiment of the present application at one viewing angle;

[0038] FIG7 is a schematic structural diagram of the bottom supporting mechanism provided in a specific embodiment of the present application from another perspective;

[0039] FIG8 is a top view of a bottom supporting mechanism provided in a specific embodiment of the present application;

[0040] FIG9 is a BB cross-sectional view in FIG8 .

[0041] In the figure: 100, preform insertion device; 200, frame; 300, heating furnace; 400, preform clamping mechanism; 410, base; 420, clamping assembly; 500, feeding conveyor mechanism; 510, guide body; 511, feed slide; 512, guide wall; 520, rotating conveyor member; 521, second mating portion; 600, conveyor chain; 700, preform; 10, rotating mechanism; 11, rotating shaft; 12, first turntable; 121, first mating portion; 13, second turntable; 14, first guide post; 15, third turntable; 16, second guide post; 17, second guide sleeve; 20. Bottom supporting mechanism; 21. Connecting assembly; 211. Guide column; 2111. Stopper; 212. Connecting plate; 213. First bearing; 22. Supporting member; 221. Supporting groove; 222. Guide slope; 223. Mounting hole; 224. Sink; 23. Elastic buffer member; 24. Third guide sleeve; 30. First cam guide rail; 31. First boss portion; 32. First guide rail body; 41. Elastic reset member; 42. Elastic member; 50. Second cam guide rail; 51. Second guide rail body; 52. Second boss portion; 60. Lifting drive mechanism; 61. Lifting drive source; 62. Docking assembly. DETAILED DESCRIPTION

[0042] The present application is described below in conjunction with the accompanying drawings and embodiments. It is understood that the embodiments described herein are only intended to explain the present application and are not intended to limit the present application. For ease of description, the accompanying drawings only show portions relevant to the present application, not all structures.

[0043] In the description of this application, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal communication between two components or interaction between two components. A person of ordinary skill in the art will be able to understand the meaning of the above terms in this application according to the circumstances.

[0044] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0045] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meanings.

[0046] As shown in Figure 1 , this embodiment provides a preform inserting device 100 and a warming machine. The warming machine includes the preform inserting device 100 and is configured to heat preforms 700. In this embodiment, as shown in Figures 1 and 2 , the preforms 700 are generally columnar in structure with an opening at the top. The preforms 700 are conveyed and heated in a vertical position within the warming machine.

[0047] As shown in Figures 1 and 2, the warming machine includes a frame 200, a loading and conveying mechanism 500, a preform inserting device 100, a conveyor chain 600 (only part of the structure is shown in the figure), multiple preform clamping mechanisms 400 (only one is shown in the figure) and a heating furnace 300. The loading and conveying mechanism 500, the preform insertion device 100, the conveying chain 600 and the heating furnace 300 are all supported on the frame 200. The loading and conveying mechanism 500 and the preform insertion device 100 are located outside the heating furnace 300. The loading and conveying mechanism 500 can receive the preforms 700 to be heated and convey the preforms 700 to a position where they are docked with the preform insertion device 100. The preform insertion device 100 is configured to cooperate with the preform clamping mechanism 400 to enable the preform clamping mechanism 400 to achieve preform insertion (i.e., the process of inserting the preform clamping mechanism 400 into the upper end opening of the preform 700 and grasping the preform 700) and preform extraction (i.e., the process of extracting the preform clamping mechanism 400 from the preform 700 and separating it from the preform 700). Multiple preform clamping mechanisms 400 are installed on the conveyor chain 600, which can drive the preform clamping mechanisms 400 to move along a preset trajectory, which includes: moving to the preform insertion device 100 for inserting preforms, moving to the heating furnace 300 for heating, and moving again to the preform insertion device 100 for removing preforms.

[0048] As shown in Figures 2 and 3, the loading and conveying mechanism 500 includes a guide body 510, a rotating conveying member 520, and a first driving member (not shown). The guide body 510 is connected to the frame 200 and is formed with a feed chute 511 and a guide wall 512. The inlet end of the feed chute 511 is higher than the outlet end. After an external robot places a preform 700 at the inlet end of the feed chute 511, the preform 700 automatically slides to the outlet end. The guide wall 512 is located at the outlet end of the feed chute 511. The rotating conveying member 520 is connected to the frame 200 and is positioned on one side of the guide wall 512. The first driving member is capable of driving the rotating conveying member 520 to rotate about a vertical axis. The rotating conveying member 520 is circumferentially provided with a plurality of second engaging portions 521. Each second engaging portion 521 engages with the guide wall 512 to clamp the upper end of the preform 700. The rotating conveyor 520 is capable of receiving preforms 700 from the outlet of the feed chute 511. As the rotating conveyor 520 rotates, it transports the preforms 700 from the outlet of the feed chute 511 to the preform insertion device 100. At this point, the rotating conveyor 520 and the preform insertion device 100 jointly clamp the upper end of the preforms. This position is hereinafter referred to as the preform insertion station. In this embodiment, the rotating conveyor 520 comprises a circular disc, and the second mating portion 521 is a groove formed on the circumference of the disc. Optionally, the first drive member may be a motor.

[0049] As shown in Figure 2, the embryo insertion device 100 includes a rotating mechanism 10, which is disposed on one side of the rotating conveyor 520. The rotating mechanism 10 is capable of rotating about a vertical axis relative to the frame 200. The rotating mechanism 10 is circumferentially provided with a plurality of first mating portions 121. The first mating portions 121 are configured to engage with second mating portions 521 on the rotating conveyor 520 to jointly clamp the upper end of the preform 700. As shown in Figure 2, the rotating mechanism 10 includes a rotating shaft 11 and a first turntable 12. The rotating shaft 11 is rotatably supported on the frame 200. The first turntable 12 is coaxially disposed and connected to the rotating shaft 11. The first mating portions 121 are grooves formed on the circumference of the first turntable 12. At the embryo insertion station, the first mating portions 121 and the second mating portions 521 jointly clamp the upper end of the preform 700. In this embodiment, the embryo insertion device 100 also includes a second driving member (not shown) configured to drive the rotating mechanism 10 to rotate about the vertical axis. Optionally, the second driving member includes a motor connected to the rotating shaft 11 via a transmission structure. In some embodiments, the first driving member and the second driving member are the same driving member, which drives the rotating mechanism 10 and the rotating conveying member 520 to rotate respectively via the transmission structure.

[0050] As shown in Figures 2 and 3, the conveyor chain 600 includes at least two sprockets and a chain (not shown) that drives the sprockets. The preform clamping mechanism 400 is connected to the chain, which drives the preform clamping mechanism 400 along a predetermined trajectory during transmission. In this embodiment, one of the sprockets is coaxially arranged with the rotating mechanism 10. When the chain drives the preform clamping mechanism 400 to the rotating mechanism 10, the preform can be inserted and removed.

[0051] As shown in Figure 2, the preform clamping mechanism 400 includes a base 410 and a clamping assembly 420. The base 410 is connected to the chain of the conveyor chain 600. The clamping assembly 420 is connected to the base 410 and can move up and down relative to the base 410. The clamping assembly 420 extends vertically through the base 410. When the preform clamping mechanism 400 moves above the preform 700 located at the preform insertion station, the driving component drives the clamping assembly 420 downward relative to the base 410, allowing the lower end of the clamping assembly 420 to insert into the opening at the upper end of the preform 700 and grasp the preform 700. It is understood that the preform clamping mechanism 400 can be any existing structure that can grasp and release the preform 700 solely through the lifting and lowering movement of the clamping assembly 420, and this is not limited here.

[0052] Optionally, as shown in Figures 2 and 3, the embryo insertion device 100 further includes a second cam guide 50 and multiple lifting drive mechanisms 60. The multiple lifting drive mechanisms 60 are arranged along the circumference of the rotating mechanism 10 and are correspondingly positioned above the multiple first mating portions 121. The multiple lifting drive mechanisms 60 can rotate with the rotating mechanism 10 and can each be lifted and lowered relative to the rotating mechanism 10. The second cam guide 50 is connected to the frame 200 and includes a second guide rail body 51 and a second boss portion 52. The second guide rail body 51 is disposed around the rotating mechanism 10, and the second boss portion 52 protrudes from the upper surface of the second guide rail body 51. As the lifting drive mechanisms 60 rotate with the rotating mechanism 10, they simultaneously slide along the second cam guide rail 50. When the lifting drive mechanisms 60 move from the second boss portion 52 to the second guide rail body 51, they move downward relative to the rotating mechanism 10, thereby docking with the preform clamping mechanism 400 at the corresponding position. After the docking is completed, the lifting drive mechanism 60 can drive the clamping assembly 420 of the preform clamping mechanism 400 to move downward to grasp the preform 700 .

[0053] Before the preform clamping mechanism 400 and the preform 700 it holds are transported by the conveyor chain 600 into the heating furnace, the lifting drive mechanism 60 must be separated from the preform clamping mechanism 400. To this end, the second cam guide rail 50 also includes a third boss portion, which also protrudes from the upper surface of the second guide rail body 51 and is spaced apart from the second boss portion 52. When the lifting drive mechanism 60 rotates with the rotating mechanism 10 and moves from the second guide rail body 51 onto the third boss portion, the third boss portion propels the lifting drive mechanism 60 upward relative to the rotating mechanism 10, thereby separating the lifting drive mechanism 60 from the preform clamping mechanism 400. After the conveyor chain 600 drives the preform clamping mechanism 400 and the heated preform 700 out of the heating furnace, they reach the preform inserting device 100, where the preform clamping mechanism 400 must be removed from the preform 700. At this point, the lifting drive mechanism 60 rotates with the rotating mechanism 10 and moves from the third boss portion to the second guide rail body 51, causing the lifting drive mechanism 60 to move downward relative to the rotating mechanism 10, thereby docking with the clamping assembly 420 of the preform clamping mechanism 400 (at this point, the preform clamping mechanism 400 is holding the heated preform 700). The lifting drive mechanism 60 then drives the clamping assembly 420 upward relative to the base 410, separating the clamping assembly 420 from the preform 700. The lifting drive mechanism 60 then continues to rotate with the rotating mechanism 10. When the lifting drive mechanism 60 moves from the second guide rail body 51 to the second boss portion 52, it moves upward relative to the rotating mechanism 10, separating the lifting drive mechanism 60 from the clamping assembly 420 of the preform clamping mechanism 400.

[0054] In this embodiment, as shown in Figures 2 and 3, the rotating mechanism 10 includes a second rotating disk 13, which is positioned above the first rotating disk 12 and connected to the rotating shaft 11. Multiple lifting drive mechanisms 60 are respectively connected to the second rotating disk 13. The rotating mechanism 10 also includes multiple first guide bushings and multiple vertically extending second guide posts 16. The multiple first guide bushings are evenly distributed along the circumference of the second rotating disk 13. Each second guide post 16 slidably engages with a corresponding second guide bushing 17. Each lifting drive mechanism 60 is connected to at least one second guide post 16. When a second guide post 16 slides up and down relative to its corresponding second guide bushing 17, it drives the corresponding lifting drive mechanism 60 up and down. When the lifting drive mechanism 60 moves from the second boss portion 52 or the third boss portion to the second guide rail body 51, it moves downward relative to the rotating mechanism 10 together with the corresponding second guide post 16, thereby achieving docking with the preform clamping mechanism 400. When the lifting drive mechanism 60 moves from the second guide rail body 51 to the second boss portion 52 or the third boss portion, it moves upward relative to the rotating mechanism 10 together with the corresponding second guide pillar 16 , thereby separating from the preform clamping mechanism 400 .

[0055] Optionally, the embryo insertion device 100 further includes a plurality of elastic members 42, each of which is sleeved onto a second guide post 16. One end of the elastic member 42 is connected to the second turntable 13, and the other end is connected to the lifting drive mechanism 60. The provision of the elastic member 42 ensures smoother lifting and lowering of the lifting drive mechanism 60. Optionally, the elastic member 42 may be a spring.

[0056] As shown in Figure 2, the lifting drive mechanism 60 includes a lifting drive source 61 and a docking assembly 62. The docking assembly 62 is connected to the lower end of the lifting drive source 61. When the lifting drive mechanism 60 moves downward relative to the rotating mechanism 10, the docking assembly 62 docks with the upper end of the clamping assembly 420. At this time, the lifting drive source 61 can drive the docking assembly 62 and the clamping assembly 420 to move upward or downward synchronously to achieve the action of inserting and removing the embryo. Optionally, the lifting drive source 61 can be a cylinder, and the upper end structure of the docking assembly 62 and the clamping assembly 420 can be any existing structure, as long as it can achieve connection or separation only through relative lifting movement.

[0057] For a preform 700 with a relatively large height, it is easy for the clamping assembly 420 of the preform clamping mechanism 400 to move downward and insert the preform, and the preform may not be inserted correctly or properly, thereby affecting the clamping firmness of the preform 700 and the subsequent heating uniformity.

[0058] As shown in Figures 2 and 4 , the preform insertion device 100 in this embodiment further includes a plurality of bottom supporting mechanisms 20. These are connected to the rotation mechanism 10 and are disposed one-to-one below the plurality of first mating portions 121. The bottom supporting mechanisms 20 are capable of moving upward in a vertical direction at a predetermined timing to lift and align the lower end of the preform 700 located at the corresponding first mating portion 121. The predetermined timing refers to when the clamping assembly 420 of the preform clamping mechanism 400 begins to insert the preform 700 downward or is in the process of inserting the preform 700. In the preform insertion device 100 of this embodiment, during the preform insertion process, the first mating portion 121 and the second mating portion 521 cooperate to limit the upper end of the preform 700, while the bottom supporting mechanism 20 moves upward and supports the lower end of the preform 700, thereby correcting the posture of the preform 700 during the preform insertion process, ensuring that the preform clamping mechanism 400 can be accurately inserted and grasped to the right position, thereby ensuring that the preform 700 is firmly clamped and subsequently heated evenly.

[0059] In this embodiment, as shown in Figures 2 and 4, the rotating mechanism 10 further includes a third turntable 15, a plurality of second guide sleeves 17, and a plurality of first guide posts 14. The third turntable 15 is disposed below the first turntable 12 and coaxially therewith. The third turntable 15 is connected to the first turntable 12 via a plurality of connecting posts. A plurality of second guide sleeves 17 are connected to the third turntable 15 and are evenly distributed along the circumference of the third turntable 15. Each first guide post 14 slides with a corresponding second guide sleeve 17, and each bottom supporting mechanism 20 is connected to at least one first guide post 14. Therefore, under the drive of the driving component, the bottom supporting mechanism 20 and the corresponding first guide post 14 can synchronously rise and fall relative to the third turntable 15. In this embodiment, every two first guide posts 14 form a group, and each bottom supporting mechanism 20 is connected to the two first guide posts 14 in the same group. This arrangement ensures the accuracy of the lifting and lowering movement of the bottom supporting mechanism 20.

[0060] Optionally, as shown in Figures 4 and 5, the preform insertion device 100 further includes a first cam guide rail 30, which includes a first guide rail body 32 and a first boss portion 31. The first guide rail body 32 is disposed in an area below and near the preform insertion station, and the first boss portion 31 protrudes from the first guide rail body 32. The bottom supporting mechanism 20 can abut against the first cam guide rail 30 during movement with the rotating mechanism 10. When the bottom supporting mechanism 20 moves from the first guide rail body 32 to the first boss portion 31, the first boss portion 31 lifts the bottom supporting mechanism 20 upward, allowing the bottom supporting mechanism 20 to support the lower end of the corresponding preform 700. When the bottom supporting mechanism 20 rotates with the rotating mechanism 10 to move away from the first boss portion 31, the bottom supporting mechanism 20 moves downward and separates from the preform 700. In this embodiment, by reasonably setting the position of the first boss portion 31, it is possible to ensure that the bottom supporting mechanism 20 is lifted at a preset time, thereby ensuring the accuracy of embryo insertion, and the lifting and lowering movement of the bottom supporting mechanism 20 does not require a driving source, and has a simple structure, low cost and low energy consumption.

[0061] Optionally, as shown in FIG4 , the embryo insertion device 100 further includes an elastic reset member 41, which is sleeved on the first guide post 14 and connected to the rotating mechanism 10 at one end and to the bottom support mechanism 20 at the other end. The elastic reset member 41 has a tendency to cause the bottom support mechanism 20 to move downward to separate from the lower end of the preform 700. Therefore, when the bottom support mechanism 20 rotates to leave the first boss portion 31, the elastic reset member 41 can buffer the downward movement of the bottom support mechanism 20, ensuring that the bottom support mechanism 20 slowly resets, avoiding excessive collision between the first guide post 14 and the third turntable 15, thereby increasing the service life of the warming machine and reducing the operating noise of the warming machine. Optionally, the elastic reset member 41 can be a spring.

[0062] Optionally, as shown in Figures 6-8 , the bottom support mechanism 20 includes a connecting assembly 21, a supporting member 22, and an elastic buffer 23. The connecting assembly 21 is connected to at least one first guide post 14 and is capable of abutting against the first cam guide rail 30 during rotation with the rotation mechanism 10. The supporting member 22 is vertically movable relative to the connecting assembly 21. The supporting member 22 is provided with a supporting groove 221 whose shape matches the bottom shape of the preform 700. The elastic buffer 23 is vertically disposed between the connecting assembly 21 and the supporting member 22. During the upward movement of the bottom support mechanism 20 to support the bottom of the preform 700, the provision of the elastic buffer 23 prevents rigid collision between the supporting member 22 and the preform 700, thereby ensuring reliable guidance of the preform 700 while reducing the risk of damage to the preform 700. Alternatively, the elastic buffer 23 may be a spring. In this embodiment, each connecting assembly 21 is connected to two first guide posts 14. Optionally, a guiding slope 222 is provided at the edge of the supporting groove 221 , and the guiding slope 222 can guide the lower end of the bottle preform 700 to smoothly cooperate with the supporting groove 221 , thereby better avoiding rigid collision between the supporting member 22 and the bottle preform 700 .

[0063] Optionally, as shown in Figures 6-8 , the connecting assembly 21 includes at least two vertically arranged guide posts 211. The support member 22 slidably engages with the at least two guide posts 211, and each guide post 211 is sleeved with an elastic buffer 23. The provision of the two elastic buffers 23 ensures uniform force distribution on the support member 22 and allows for a certain degree of deflection during the process of guiding the preform 700, thereby preventing rigid collisions between the support member 22 and the preform 700. Furthermore, the guide posts 211 limit the movement of the support member 22, ensuring its final position is accurate and thus ensuring reliable guidance of the preform 700.

[0064] In this embodiment, as shown in Figure 9, the support member 22 is provided with two mounting holes 223, each of which is provided with a third guide sleeve 24. Each guide post 211 is slidably engaged with a corresponding third guide sleeve 24. Optionally, a stopper 2111 is provided at the upper end of the guide post 211. The stopper 2111 abuts against the upper end surface of the third guide sleeve 24. The stopper 2111 cooperates with the elastic buffer 23 to limit the height of the support member 22 relative to the connecting assembly 21. Optionally, a recess 224 is provided at the lower end of the mounting hole 223. The elastic buffer 23 is partially disposed within the recess 224, which can limit deformation of the elastic buffer 23.

[0065] In this embodiment, as shown in Figures 6 to 8, the connecting assembly 21 includes a connecting plate 212 and a first bearing 213. The connecting plate 212 is connected to the two first guide posts 14 of the same group, and the two guide posts 211 are both connected to the connecting plate 212. The first bearing 213 is connected to the connecting plate 212. During the rotation of the rotating mechanism 10, the first bearing 213 can abut against the first cam guide rail 30 and roll with the first cam guide rail 30. By arranging the first bearing 213 to contact and move relative to the first cam guide rail 30, the wear between the connecting assembly 21 and the first cam guide rail 30 can be greatly reduced, thereby improving the service life of the embryo insertion device 100. A connecting shaft is fixed to the side of the connecting plate 212, and the first bearing 213 is connected to the connecting shaft.

[0066] The heating machine of the present application, by providing the above-mentioned preform insertion device, can ensure that the preform clamping mechanism is accurately inserted into and grasps the preform, thereby improving the yield rate of the preform during the subsequent heating process.

Claims

1. A embryo insertion device, mounted on a frame (200), comprising: A rotating mechanism (10) is capable of rotating about a vertical axis relative to the frame (200), wherein the rotating mechanism (10) is provided with a plurality of first matching portions (121) along a circumferential direction, and wherein the first matching portions (121) are configured to limit the upper end of the bottle preform; A plurality of bottom supporting mechanisms (20) are connected to the rotating mechanism (10) and are arranged one-to-one below the plurality of first matching portions (121); the bottom supporting mechanisms (20) are capable of moving upward in a vertical direction at a preset timing to support and guide the lower end of the bottle blank located at the corresponding first matching portion (121).

2. The embryo insertion device according to claim 1, wherein: The rotating mechanism (10) includes a third turntable (15) and a plurality of first guide pillars (14) arranged circumferentially along the third turntable (15), each of the first guide pillars (14) being capable of vertically ascending and descending relative to the third turntable (15), each of the bottom supporting mechanisms (20) being connected to at least one of the first guide pillars (14), and the embryo insertion device further comprising: A first cam guide rail (30) is connected to the frame (200), and the bottom supporting mechanism (20) can abut against the first cam guide rail (30) during the movement of the rotating mechanism (10). The first cam guide rail (30) includes a first boss portion (31), and the first boss portion (31) can lift the bottom supporting mechanism (20) upward so that the bottom supporting mechanism (20) can support the lower end of the corresponding bottle blank.

3. The embryo insertion device according to claim 2 further includes an elastic reset member (41), one end of the elastic reset member (41) is connected to the rotating mechanism (10), and the other end is connected to the bottom supporting mechanism (20), and the elastic reset member (41) has a tendency to cause the bottom supporting mechanism (20) to move downward to separate from the lower end of the bottle embryo.

4. The embryo insertion device according to claim 2, wherein: Each of the bottom supporting mechanisms (20) comprises: a connecting assembly (21) connected to at least one of the first guide posts (14) and capable of abutting against the first cam guide rail (30); A supporting member (22) is movable in a vertical direction relative to the connecting assembly (21), and a supporting groove (221) is provided on the supporting member (22), wherein the shape of the supporting groove (221) matches the shape of the bottom of the bottle preform; An elastic buffer member (23) is vertically arranged between the connecting assembly (21) and the supporting member (22).

5. The embryo insertion device according to claim 4, wherein: The connecting assembly (21) comprises at least two guide posts (211) arranged in a vertical direction, the supporting member (22) is slidably matched with the at least two guide posts (211), and each guide post (211) is sleeved with one elastic buffer member (23).

6. The embryo insertion device according to claim 4, wherein: The connecting assembly (21) comprises: a connecting plate (212) connected to at least one of the first guide pillars (14); A first bearing (213) is connected to the connecting plate (212). During the rotation of the rotating mechanism (10), the first bearing (213) can abut against the first cam guide rail (30) and be in rolling engagement with the first cam guide rail (30).

7. A heating machine, comprising a heating furnace (300), a conveyor chain (600), a plurality of preform clamping mechanisms (400) connected to the conveyor chain (600), and a preform insertion device according to any one of claims 1 to 6, wherein the conveyor chain (600) can drive the preform clamping mechanism (400) to move above the first mating portion (121) that clamps the preform, at least a portion of the preform clamping mechanism (400) can move downward to grasp the preform, and the conveyor chain (600) can also drive the preform clamping mechanism (400) to move into the heating furnace (300).

8. The warming machine according to claim 7, further comprising a feeding and conveying mechanism (500), wherein the feeding and conveying mechanism (500) comprises: A guide body (510) is connected to the frame (200) and is formed with a feed slide (511) and a guide wall (512); A rotating conveying member (520) is connected to the frame (200) and is arranged on one side of the guide wall (512). The rotating conveying member (520) is provided with a plurality of second matching portions (521) along the circumference. The second matching portions (521) can match with the guide wall (512) to clamp the upper end of the bottle preform. The rotating conveying member (520) can rotate relative to the frame (200) to convey the bottle preform from the feeding slide (511) to the first matching portion (121). The first matching portion (121) and the second matching portion (521) can jointly clamp the upper end of the bottle preform.

9. The warming machine according to claim 7, wherein: The embryo insertion device also includes: A second cam guide rail (50) is connected to the frame (200), and the second cam guide rail (50) includes a second guide rail body (51) arranged around the rotating mechanism (10), a second boss portion (52) and a third boss portion respectively protruding from the upper surface of the second guide rail body (51); A plurality of lifting drive mechanisms (60) are arranged along the circumference of the rotating mechanism (10) and are disposed one-to-one above the plurality of first matching portions (121), the lifting drive mechanisms (60) being capable of rotating along with the rotating mechanism (10) and sliding along the second cam guide rail (50) at the same time; When the lifting drive mechanism (60) moves from the second boss portion (52) to the second guide rail body (51), the lifting drive mechanism (60) moves downward relative to the rotating mechanism (10) and docks with the preform clamping mechanism (400) at a corresponding position, and the lifting drive mechanism (60) can drive the preform clamping mechanism (400) to at least partially move downward to grasp the preform; When the lifting drive mechanism (60) moves from the second guide rail body (51) to the third boss portion, the lifting drive mechanism (60) moves upward relative to the rotating mechanism (10) and separates from the preform clamping mechanism (400).

10. The warming machine according to claim 9, wherein: The preform clamping mechanism (400) comprises: A base (410) and a clamping assembly (420), wherein the base (410) is connected to the conveying chain (600), and the clamping assembly (420) can move up and down relative to the base (410), the upper end of the clamping assembly (420) can dock with the lifting drive mechanism (60), and the lower end can clamp the upper end of the bottle embryo.

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