A cutting and forming device for the shoulder cover of a thermos bottle

Abstract

The application discloses a thermos shoulder cover trimming and forming device, and relates to a trimming and forming device, which comprises a trimming machine, a assembling frame fixedly connected in the trimming machine, a belt wheel rotating rod rotationally connected on the assembling frame, a shoulder cover mold fixedly connected on the belt wheel rotating rod, a positioning frame slidingly connected on the shoulder cover mold, a plurality of tension springs fixedly connected between the positioning frame and the shoulder cover mold, three jacks slidingly connected on the shoulder cover mold, positioning plates fixedly connected on the jacks, the positioning plates in contact with the positioning frame, and an electric push rod fixedly connected on the assembling frame. The application generates a height difference between the left and right jacks by control, so that the shoulder cover edge material is stably inclined and pushed out along a fixed direction in the ejection process, effectively guides the movement track, avoids the situation that the shoulder cover edge material falls back along the original path due to unstable gravity when being vertically ejected, reduces the probability of vertical collision between the shoulder cover edge material and the shoulder cover mold, reduces the rebound risk, and ensures the orderly falling of the edge material.

Description

Technical Field

[0001] This invention relates to an edge-cutting forming apparatus, and more particularly to an edge-cutting forming apparatus for a thermos bottle shoulder cap. Background Technology

[0002] As a key sealing component in the structure of a thermos flask, the edge forming quality of the thermos flask directly affects the product's sealing performance and structural strength. In industrial production, molds are typically used to cut and form the metal or plastic shoulder cap body to create smooth, regular flanges or hole structures, ensuring the reliability of subsequent assembly.

[0003] Existing edge-cutting forming devices, after cutting off the top shoulder cover edge material, often use a rotating push rod to vertically eject the material from the mold. However, this method has significant drawbacks: after vertical ejection, the edge material is subject to gravity, resulting in an unstable trajectory and a tendency for it to fall back down the same path, leading to failed cutting. Furthermore, during ejection, the mold continues to rotate the shoulder cover edge material; due to the rotational force, the cut edge material may scatter in various places instead of falling into the designated collection area, potentially damaging the cutting tool. Summary of the Invention

[0004] To overcome the drawback that the cut shoulder cap edge material cannot be stably dropped into the predetermined position, the present invention provides a thermos bottle shoulder cap edge cutting and forming device.

[0005] A device for trimming and forming the shoulder cap of a thermos bottle includes a trimming machine, an assembly frame fixedly connected inside the trimming machine, a wheeled rotating rod rotatably connected to the assembly frame, a shoulder cap mold fixedly connected to the wheeled rotating rod, a positioning frame slidably connected to the shoulder cap mold, several tension springs fixedly connected between the positioning frame and the shoulder cap mold, three push rods slidably connected to the shoulder cap mold, positioning plates fixedly connected to the push rods and in contact with the positioning frame, an electric push rod fixedly connected to the assembly frame, a top positioning frame fixedly connected to the telescopic end of the electric push rod, a sliding push plate slidably connected to one side of the top positioning frame, a spring fixedly connected between the sliding push plate and the top positioning frame, a pressure plate for blocking the sliding push plate provided on the upper part of the shoulder cap mold, the other side of the top positioning frame not blocked by the pressure plate, a positioning sensor fixedly connected to this side of the top positioning frame, and a positioning block located above the positioning sensor fixedly connected to the bottom end of the push rod.

[0006] As a preferred technical solution of the present invention, the edge trimming machine includes an electric pressure rod, an edge trimmer 1, and an edge trimmer 2. The electric pressure rod is used to press down on the shoulder cover edge material at the top of the shoulder cover body. The edge trimmer 1 is used to perform circumferential edge trimming on the lower edge of the shoulder cover body. The edge trimmer 2 is used to cut off the shoulder cover edge material at the top of the shoulder cover body.

[0007] As a preferred embodiment of the present invention, it further includes a screw, which is threadedly connected to the shoulder cover mold and rotatably connected to the pressure plate.

[0008] As a preferred embodiment of the present invention, it further includes at least one set of fixing blocks, which are fixedly connected to the shoulder cover mold. Each set of fixing blocks is rotatably connected to a rotating pusher for pushing the positioning frame downward. A torsion spring is fixedly connected between the fixing block and the adjacent rotating pusher.

[0009] As a preferred embodiment of the present invention, one end of the rotating pusher contacts the adjacent positioning plate, and the other end contacts the positioning frame.

[0010] As a preferred embodiment of the present invention, the rotating pusher is made of metal spring material.

[0011] As a preferred embodiment of the present invention, it further includes three first magnetic rings, which are fixedly connected to the shoulder cover mold, and the push rod is fixedly connected to a second magnetic ring. The first magnetic ring and the second magnetic ring correspond one-to-one, and the first magnetic ring and the corresponding second magnetic ring are magnetically attracted to each other.

[0012] The present invention has the following advantages: By controlling the height difference between the left and right ejector rods, the present invention enables the shoulder cover edge material to be stably pushed out along a fixed direction during the ejection process, effectively guiding its movement trajectory and avoiding the situation of falling back along the original path due to the instability of the center of gravity when ejecting vertically. This reduces the probability of vertical collision between the shoulder cover edge material and the shoulder cover mold, reduces the risk of rebound, and ensures that the edge material falls in an orderly manner.

[0013] When the shoulder cover edge material is pushed out, the rotation of the shoulder cover edge material can be paused first, and then it falls into the receiving area in a controllable manner, so as to avoid it scattering everywhere due to rotational force and effectively prevent it from hitting the first and second edge cutters, thus ensuring the stable operation of the equipment.

[0014] This invention adjusts the height of the pressure plate by adjusting the screw, which controls the timing of the contact between the sliding push plate and the pressure plate. This allows for precise adjustment of the action sequence and height difference of the push rods on both sides, achieving adjustability and adaptability of the discharge posture. It ensures that shoulder cover edge materials of different batches and weights can fall stably and controllably into the receiving area, further improving the equipment's versatility and production stability.

[0015] This invention pushes the shoulder cover edge material upward with the push rod, and simultaneously rotates the push frame through the push rod, causing the positioning frame to slide downward in sync to make way. This effectively avoids interference between the edge material and the positioning frame or accidental tripping during the tilting and pushing process, preventing material jamming and blockage, and ensuring a smooth and unobstructed material discharge process.

[0016] This invention uses the magnetic attraction between the first and second magnetic rings to create a stable constraint on the push rods during equipment rotation, preventing them from swaying up and down due to vibration or inertia. This ensures that all three push rods are pushed upward simultaneously and synchronously by the top frame and sliding push plate each time material is pushed, guaranteeing the stability and repeatability of the pushing action and avoiding uneven load or pushing failure caused by the lag of a single push rod. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a three-dimensional structural diagram of the edge trimming machine, electric pressure bar, and assembly frame of the present invention.

[0019] Figure 3 This is a three-dimensional structural diagram of the assembly frame, wheeled rotating rod, and shoulder cover mold of the present invention.

[0020] Figure 4 This is a three-dimensional structural diagram of the top frame, sliding push plate, and spring components of the present invention.

[0021] Figure 5 This is a three-dimensional structural diagram of the sliding push plate, positioning sensor, and positioning block of the present invention.

[0022] Figure 6 This is a three-dimensional structural diagram of the positioning frame, rotating push frame, and torsion spring of the present invention.

[0023] Figure 7 This is a three-dimensional structural diagram of the fixed block, rotating pusher, and torsion spring of the present invention.

[0024] Figure 8 This is a three-dimensional structural diagram of the edge trimming machine, top rod, first magnetic ring, and second magnetic ring of the present invention.

[0025] Figure 9 This is a three-dimensional structural diagram of the push rod, the first magnetic ring, and the second magnetic ring of the present invention.

[0026] In the attached figures, the following are the reference numerals: 1: Edge trimming machine, 101: Electric pressure rod, 102: Edge trimmer one, 103: Edge trimmer two, 2: Assembly frame, 3: Wheeled rotating rod, 4: Shoulder cover mold, 401: Shoulder cover body, 402: Shoulder cover edge material, 5: Positioning frame, 6: Tension spring, 7: Top rod, 701: Positioning plate, 8: Electric push rod, 9: Top position frame, 10: Sliding push plate, 11: Spring, 12: Pressure plate, 13: Positioning sensor, 14: Positioning block, 15: Screw, 16: Fixing block, 17: Rotating push frame, 18: Torsion spring, 19: First magnetic ring, 20: Second magnetic ring. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection and application of the present invention.

[0028] Example 1: A device for cutting and forming the shoulder cap of a thermos bottle, such as... Figures 1-5As shown, the device includes a trimming machine 1, which comprises an electric pressure rod 101, a first trimmer 102, and a second trimmer 103. The electric pressure rod 101 presses down on the shoulder cover edge material 402 at the top of the shoulder cover body 401. The contact portion on the lower side of the electric pressure rod 101 can rotate with the shoulder cover edge material 402. The first trimmer 102 is used to circumferentially trim the lower edge of the shoulder cover body 401. The second trimmer 103 is used to cut off the shoulder cover edge material 402 at the top of the shoulder cover body 401. Machine 1 is equipped with a control module that controls all electrical components on it. An assembly frame 2 is fixedly connected inside the trimming machine 1. A pulley rod 3 is rotatably connected to the assembly frame 2. The pulley rod 3 is connected to a pulley system. The control module drives the pulley system, causing the pulley rod 3 to rotate. A shoulder cover mold 4 is bolted to the upper part of the pulley rod 3. The shoulder cover body 401 is fitted onto the shoulder cover mold 4. A positioning frame 5 is slidably connected to the upper inner side of the shoulder cover mold 4 in the vertical direction. The positioning frame 5 consists of an annular base and... The assembly frame 2 consists of three positioning rods. Three tension springs 6 are fixedly connected between the positioning frame 5 and the shoulder cover mold 4. Three push rods 7 are slidably connected to the upper inner side of the shoulder cover mold 4 in the vertical direction. A positioning plate 701 is fixedly connected to the upper part of the push rods 7, and the positioning plate 701 contacts the positioning frame 5. An electric push rod 8 is fixedly connected to the lower part of the assembly frame 2. A top mounting frame 9 is fixedly connected to the telescopic end of the electric push rod 8. The left top surface of the top mounting frame 9 is lower than the right top surface. A sliding push plate 10 is slidably connected to the left side of the top mounting frame 9 in the vertical direction. The top right side of the top surface of the top surface of the sliding push plate 10 is at the same height as the top surface of the sliding push plate 10. Two springs 11 are fixed between the sliding push plate 10 and the top frame 9. A pressure plate 12 is provided on the upper part of the shoulder cover mold 4. When the sliding push plate 10 moves upward to contact the pressure plate 12, the pressure plate 12 prevents the sliding push plate 10 from moving upward. The right side of the top frame 9 will not be blocked by the pressure plate 12. A positioning sensor 13 is fixedly connected to the right side of the top frame 9. A positioning block 14 is fixedly connected to the bottom end of the push rod 7, which is located above the positioning sensor 13.

[0029] The method of using this device is as follows: First, the shoulder cover body 401 is placed on the shoulder cover mold 4. The three positioning rods of the positioning frame 5 limit the shoulder cover body 401 from the inside. Then, the edge cutting machine 1 is started. The control module controls the electric pressure rod 101 to press down on the top of the shoulder cover body 401. Then, the edge cutting device 102 is controlled to perform circumferential edge cutting on the lower edge of the shoulder cover body 401. Then, the edge cutting device 2103 is controlled to cut off the shoulder cover edge material 402 at the top of the shoulder cover body 401. During the cutting process, the pulley rod 3 drives the shoulder cover mold 4 to rotate, thereby driving the shoulder cover body 401 and other parts on it to rotate relative to the electric pressure rod 101, edge cutting device 102 and edge cutting device 2103.

[0030] After the cutting is completed, the shoulder cover edge material 402 is tilted and pushed out at a certain angle and direction. The specific operation is as follows: After the above cutting is completed, the control module controls the positioning sensor 13 to start working. When any positioning block 14 rotates to the position sensor 13, the control module controls the pulley system to stop running, so that the pulley rotating rod 3 stops, thereby stopping the shoulder cover mold 4 from rotating, and the electric pressure rod 101 resets upward. Then, the electric push rod 8 is controlled to move upward, thereby driving the top frame 9 to move upward, which drives the sliding push plate 10 and the spring 11 to move synchronously. As the top position frame 9 and the sliding push plate 10 move upward, they simultaneously contact the adjacent positioning block 14, and push the three push rods 7 upward synchronously through the positioning block 14, so that the shoulder cover edge material 402 moves upward away from the limit of the positioning frame 5. Then, when the sliding push plate 10 moves upward and contacts the bottom of the pressure plate 12, the sliding push plate 10 stops pushing the two positioning blocks 14 on the left, so that the two push rods 7 on the left stop moving upward. The top position frame 9 still pushes the one positioning block 14 on the right upward, so that the spring 11 is compressed, and the one push rod 7 on the right continues to move upward.

[0031] Thus, by controlling the height difference between the left and right push rods 7, the present invention enables the shoulder cover edge material 402 to be stably pushed out along a fixed direction during the ejection process, effectively guiding its movement trajectory and avoiding the situation of falling back along the original path due to instability of the center of gravity when ejecting vertically. This reduces the probability of vertical collision between the shoulder cover edge material 402 and the shoulder cover mold 4, reduces the risk of rebound, and ensures that the edge material falls in an orderly manner.

[0032] Moreover, when the shoulder cover edge material 402 is launched, the shoulder cover edge material 402 can first pause its rotation and then fall into the receiving area in a controllable manner, avoiding it from scattering everywhere due to rotational force, effectively preventing it from hitting the edge cutter 102 and the edge cutter 2 103, and ensuring the stable operation of the equipment.

[0033] After the material is pushed, the control module controls the electric push rod 8 to move downward and reset, thereby driving the top frame 9 to move downward. The sliding push plate 10 and the spring 11 move downward as a whole. The sliding push plate 10 disengages from the pressure plate 12, the spring 11 resets, and the top rod 7 slides downward under its own gravity. The positioning plate 701 contacts the positioning frame 5 again.

[0034] Example 2: Based on Example 1, such as Figure 4 As shown, it also includes a screw 15, which is threadedly connected to the shoulder cover mold 4. The top end of the screw 15 is rotatably connected to the pressure plate 12 for adjusting the position of the pressure plate 12.

[0035] The weight of the shoulder cover edge material 402 cut from different batches may vary. This invention can adjust the height difference between the left and right top rods 7 before cutting, based on the weight of the shoulder cover edge material 402 from different batches, so that the shoulder cover edge material 402 from different batches can fall into the receiving area in a controllable manner. The specific operation is as follows:

[0036] By rotating the screw 15, the height of the pressure plate 12 can be adjusted, thereby adjusting the timing of when the two push rods 7 on the left side stop being pushed. The lower the height of the pressure plate 12, the earlier the sliding push plate 10 contacts the pressure plate 12 during the process of pushing the two push rods 7 on the left side upward through the positioning block 14. This causes the two push rods 7 on the left side to stop moving upward earlier, while the top frame 9 continues to move upward and the upward distance is fixed. Therefore, the greater the height difference between the push rods 7 on the left and right sides, the farther the shoulder cover edge material 402 is pushed out, which is suitable for heavier shoulder cover edge material 402, and vice versa for lighter shoulder cover edge material 402.

[0037] Example 3: Based on Example 2, such as Figure 6 and Figure 7 As shown, it also includes two sets of fixing blocks 16. The fixing blocks 16 are fixedly connected to the shoulder cover mold 4. Each set of fixing blocks 16 is rotatably connected to a rotating pusher 17 for pushing the positioning frame 5 downward. The rotating pusher 17 is made of metal spring sheet material. One end of the rotating pusher 17 contacts the adjacent positioning plate 701 on the left, and the other end contacts the positioning frame 5, so that when the two positioning plates 701 on the left move upward, the positioning frame 5 moves downward synchronously. A torsion spring 18 is fixedly connected between the fixing blocks 16 and the adjacent rotating pusher 17.

[0038] To prevent the tilted shoulder cover edge material 402 from being accidentally tripped and jammed by the positioning frame 5, the positioning frame 5 is pushed down simultaneously during the upward pushing process. Specifically, when the two push rods 7 on the left move upward, they deflect one side of the rotating push frame 17 to swing upward, causing the torsion spring 18 to deform, while the other side of the rotating push frame 17 swings downward, thereby pushing the positioning frame 5 to slide downward, and the tension spring 6 is stretched.

[0039] After the material is pushed, as the two push rods 7 on the left move downwards, the torsion spring 18 gradually resets, and the tension spring 6 also gradually resets, thereby driving the positioning frame 5 to slide upwards and reset.

[0040] Example 4: Based on Example 3, such as Figure 8 and Figure 9 As shown, it also includes three first magnetic rings 19, which are fixedly connected to the shoulder cover mold 4. The upper part of the push rod 7 is fixedly connected to a second magnetic ring 20. The first magnetic rings 19 and the second magnetic rings 20 correspond one-to-one, and the first magnetic rings 19 and the corresponding second magnetic rings 20 are magnetically attracted to each other.

[0041] The magnetic attraction between the first magnetic ring 19 and the second magnetic ring 20 prevents the push rod 7 from swaying up and down during rotation. This avoids the situation where the positioning block 14 does not simultaneously contact the top frame 9 and the sliding push plate 10 during the process of pushing the shoulder cover edge material 402 upward away from the positioning frame 5 limit, thus preventing the three push rods 7 from being pushed upward in sync. This avoids affecting the pushing operation of the shoulder cover edge material 402.

[0042] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A thermos bottle shoulder cover trimming forming device, comprising a trimming machine (1), a assembling frame (2) is fixedly connected in the trimming machine (1), a wheel rotating rod (3) is rotatably connected on the assembling frame (2), a shoulder cover mold (4) is fixedly connected on the wheel rotating rod (3), a positioning frame (5) is slidably connected on the shoulder cover mold (4), a plurality of tension springs (6) are fixedly connected between the positioning frame (5) and the shoulder cover mold (4), and three top rods (7) are slidably connected on the shoulder cover mold (4); characterized in that A positioning plate (701) is fixedly connected on the top rod (7), the positioning plate (701) is in contact with the positioning frame (5), an electric push rod (8) is fixedly connected on the assembling frame (2), a top positioning frame (9) is fixedly connected at the extension end of the electric push rod (8), a sliding push plate (10) is slidably connected on one side of the top positioning frame (9), a spring (11) is fixedly connected between the sliding push plate (10) and the top positioning frame (9), a pressing plate (12) is arranged on the upper part of the shoulder cover mold (4) and used for blocking the sliding push plate (10), the other side of the top positioning frame (9) is not blocked by the pressing plate (12), a positioning sensor (13) is fixedly connected on the other side of the top positioning frame (9), and a positioning block (14) is fixedly connected at the bottom end of the top rod (7) and located above the positioning sensor (13); The left top surface of the top positioning frame (9) is lower than the right top surface, and the right top surface of the top positioning frame (9) is at the same height as the top surface of the sliding push plate (10); The upward moving distance of the top positioning frame (9) is fixed; Further comprising a screw rod (15), the screw rod (15) is threadedly connected with the shoulder cover mold (4), and the screw rod (15) is rotatably connected with the pressing plate (12); Further comprising at least one set of fixing blocks (16), the fixing blocks (16) are fixedly connected with the shoulder cover mold (4), a rotating push frame (17) for pushing the positioning frame (5) downward is rotatably connected between each set of fixing blocks (16), and a torsional spring (18) is fixedly connected between the fixing block (16) and the adjacent rotating push frame (17); One end of the rotating push frame (17) is in contact with the adjacent positioning plate (701), and the other end is in contact with the positioning frame (5).

2. A flask shoulder cap trim forming device as claimed in claim 1, wherein, The trimming machine (1) comprises an electric push rod (101), a trimmer one (102) and a trimmer two (103), wherein the electric push rod (101) is used for pressing the shoulder cover edge material (402) at the top of the shoulder cover body (401) downward, the trimmer one (102) is used for circumferentially trimming the edge at the lower part of the shoulder cover body (401), and the trimmer two (103) is used for cutting off the shoulder cover edge material (402) at the top of the shoulder cover body (401).

3. A flask shoulder cap trim forming device as claimed in claim 2, wherein The rotating push frame (17) is made of a metal spring sheet.

4. A flask shoulder cap trim forming device as claimed in claim 3, wherein Further comprising three first magnetic rings (19), the first magnetic rings (19) are fixedly connected with the shoulder cover mold (4), the top rod (7) is fixedly connected with a second magnetic ring (20), the first magnetic ring (19) and the second magnetic ring (20) correspond to each other, and the first magnetic ring (19) and the corresponding second magnetic ring (20) are magnetically attracted and matched.

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