A ampoule differential rotation wire drawing and filling machine and control method

Abstract

The application provides an ampoule differential rotation wire drawing and filling sealing machine and a control method. Rotating tables are arranged at positions corresponding to arc-shaped clamping grooves on bases of the fifth and sixth sections to drive the ampoules located in the fifth and sixth sections to rotate at x revolutions per second in a first direction. A second bottle supporting assembly located in the sixth section range is provided with a rotating conveyor belt. When the second bottle supporting assembly cooperates with the bottle supporting fence to limit the ampoules, the rotating conveyor belt is in contact with the ampoule bodies to drive the ampoules to rotate. The rotating conveyor belt circulates at a speed of y centimeters per second in a second direction. y centimeters is x times the circumference of the ampoule body. A relatively low rotating speed is provided in a preheating stage, and a relatively high rotating speed is provided in a melting stage. The rotating speed not only provides rotation in the wire drawing process to improve the wire drawing effect, but also keeps the ampoules rotating at a relatively high speed after the wire drawing to facilitate the fusion sealing and forming and effectively prevent the ampoules from having pointed heads and flat heads.

Description

Technical Field

[0001] This application relates to the field of ampoule sealing technology, and more specifically, to an ampoule differential speed rotary drawing filling machine and control method. Background Technology

[0002] Injectable medications are usually packaged in ampoules, which are made entirely of glass and have an opening at the top. After the medication is injected into the ampoule through the opening, the top usually needs to be sealed promptly to prevent contamination of the medication.

[0003] Existing ampoule sealing technology mainly uses wire drawing and sealing. However, the wire drawing and sealing equipment currently used in industry usually cannot achieve ampoule rotation, such as two-needle, six-needle, and eight-needle injection ampoule filling and sealing machines.

[0004] The quality problems of ampoules after filling by ampoule filling machines mainly fall into the following categories:

[0005] 1. Sharp tip: The top of the ampoule is pointed after it is sealed. This is caused by the drawing flame being too small, the tempering time after drawing the ampoule being too short, the bottom of the drawing clamp being too far above the horizontal center line of the flame, or the wall of some ampoules being too thick.

[0006] 2. Flat head: The top of the ampoule is flattened but not drawn into threads. This is caused by the preheating flame and the drawing flame being too small, the ampoule bearing not rotating smoothly or the pressure being too low, or the wall of some ampoules being too thick.

[0007] 3. Broken top: This refers to the top of the ampoule not being sealed properly, caused by mechanical reasons, excessive soaking, excessive deflation, etc.

[0008] 4. Depressed head: This refers to the depression formed on the top of the ampoule after it is sealed. This is caused by the formation of a bubble head during the ampoule drawing process, followed by cooling and shrinkage. If the heating flame is too small, it cannot dry some tiny water vapors on the ampoule wall. These low-temperature water vapors cause the newly formed arc at the top of the ampoule to shrink due to the cold, resulting in a depressed head.

[0009] 5. Bubble head: This refers to the formation of a large bubble at the top of the ampoule after fusion sealing, which is easy to break. This is caused by an excessively strong flame during the drawing process, an excessively long tempering time after the ampoule is drawn, and the bottom of the drawing clamp being slightly lower than the horizontal center line of the flame. Although it can be fused, it is easy to form a small bubble head.

[0010] Improving the yield rate of ampoule filling can be significantly enhanced through equipment adjustments (such as flame control and position adjustment). However, further improvements require addressing the inherent differences in the ampoules themselves. For instance, thicker ampoule walls (within the acceptable range) can lead to pointed or flattened ampoules. Addressing this issue through real-time ampoule identification and corresponding flame control is difficult, and even if a solution could be designed in this way, the cost would be extremely high.

[0011] Improving preheating and stringing effects can effectively solve the problems of pointed and flat ampoules caused by thick ampoule walls. While some equipment can rotate ampoules, the results are unsatisfactory and unsuitable for industrial production lines (e.g., eight-needle injection ampoule filling and sealing machines). It's difficult to balance production efficiency, and the ampoule rotation doesn't consider the specific conditions of the preheating and sealing stages, resulting in poor performance. Summary of the Invention

[0012] The purpose of this application is to provide an ampoule differential rotation drawing and sealing machine and control method, so as to improve the preheating effect and drawing effect by providing differentiated rotation for the ampoule in the preheating stage and the sealing stage, effectively solve the problem of pointed and flat ends caused by the thick wall of the ampoule itself, and further improve the qualification rate of ampoule filling.

[0013] To achieve the above objectives, the embodiments of this application are implemented in the following manner:

[0014] In a first aspect, embodiments of this application provide an ampoule differential rotary drawing and sealing machine, including a bottle feeding mechanism, a transmission mechanism, a first gas filling mechanism, a liquid filling mechanism, a second gas filling mechanism, a differential rotary drawing and sealing mechanism, and a bottle dispensing mechanism. The ampoule filling process is divided into a bottle placement stage, a pre-gas filling stage, a liquid filling stage, a post-gas filling stage, a neck preheating stage, a drawing and sealing stage, and a bottle dispensing stage. Corresponding to each stage of the ampoule filling process, the transmission mechanism is sequentially divided into a first segment, a second segment, a third segment, a fourth segment, a fifth segment, a sixth segment, and a seventh segment. The transmission mechanism includes a drive mechanism and a base platform, a bottle-aligning fence, and a transfer grid plate that extend from the first segment to the seventh segment. The barriers are perpendicular to each other, and both the base platform and the bottle-holding barrier are located on a horizontal plane facing upwards. The transfer plate is disposed between two plates of the bottle-holding barrier. Each plate of the bottle-holding barrier and the transfer plate are provided with multiple arc-shaped slots at equal intervals. The transfer plate is connected to the driving mechanism to realize the transfer of ampoules to the next stage. A rotating platform is provided at each position corresponding to an arc-shaped slot on the base platform of the fifth and sixth sections. The height of the rotating platform is flush with the height of the base platform surface, and each rotating platform rotates along a first direction at x revolutions per second. The bottle-feeding mechanism, connected to the transmission mechanism, is located within the first section and is used to transport ampoules requiring liquid filling and sealing to the next stage. Within the first segment; the first gas filling mechanism, the liquid filling mechanism, and the second gas filling mechanism are located within the second, third, and fourth segments respectively, and are used to fill ampoules located in the second, third, and fourth segments with gas, liquid, and gas respectively; the differential rotation drawing and sealing mechanism includes a preheating burner, a melting burner, a first bottle-aligning assembly, a second bottle-aligning assembly, drawing pliers, and a waste recycling tank. The preheating burner and the first bottle-aligning assembly are both located within the fifth segment and are located on both sides of the base platform. The second bottle-aligning assembly, the melting burner, the drawing pliers, and the waste recycling tank are all located within the sixth segment. The second bottle-aligning assembly and the... The first ampoule-holding assembly is located on the same side of the base platform. The melting and burning nozzle, the wire drawing pliers, and the waste recycling tank are located on the opposite side of the second ampoule-holding assembly. A rotating conveyor belt is provided in the middle section of the second ampoule-holding assembly. When the second ampoule-holding assembly cooperates with the ampoule-holding fence to limit the ampoule, the rotating conveyor belt contacts the ampoule body and drives the ampoule to rotate. The rotating conveyor belt travels around in a second direction at a speed of y cm / s, where y cm is greater than x times the circumference of the ampoule body, and the second direction is opposite to the first direction. The bottle-dispensing mechanism is located in the seventh section and is used to push the filled and packaged ampoules in the seventh section into the ampoule collection tank.

[0015] In this embodiment, a rotating platform is provided at each corresponding arc-shaped slot position on the base platform of the fifth and sixth segments. The height of the rotating platform is flush with the height of the base platform. Each rotating platform rotates along the first direction at x revolutions per second, so as to drive the ampoules located in the fifth and sixth segments to rotate along the first direction at x revolutions per second. The second bottle-holding assembly located in the sixth segment has a rotating conveyor belt in the middle. When the second bottle-holding assembly cooperates with the bottle-holding fence to limit the position of the ampoule, the rotating conveyor belt contacts the body of the ampoule, causing the ampoule to rotate. The rotating conveyor belt rotates at y centimeters per second. The ampoule rotates at a speed in the second direction, where y cm is greater than x times the ampoule's circumference (i.e., the speed at which the conveyor belt drives the ampoule to rotate is higher than the speed at which the rotary table drives the ampoule to rotate). During the preheating stage (within the fifth segment), a relatively low rotation speed is provided (ideally one revolution within the preheating time), while during the melting stage, a relatively high rotation speed is provided (ideally more than one revolution within the melting time). This not only provides rotation during the drawing process, improving the drawing effect, but also maintains a relatively high rotation speed after drawing, facilitating fusion sealing and effectively preventing pointed and flat ends. Furthermore, during the tempering process after fusion sealing, the contact between the conveyor belt and the ampoule is eliminated, allowing the ampoule to rotate at a relatively low speed based on the rotary table's drive, ensuring the tempering effect and further improving the yield rate of the sealed ampoules. This differential speed rotary drawing and sealing machine effectively solves the problem of pointed and flat ends caused by thick ampoule walls, further improving the yield rate of ampoule filling.

[0016] In conjunction with the first aspect, in a first possible implementation of the first aspect, the bottom surfaces of the base platforms of the fifth and sixth segments are provided with circular through holes corresponding to the arc-shaped slots. The bottom of the base platform is provided with a receiving groove covering the fifth and sixth segments. The receiving groove is provided with a low-speed motor, a reduction transmission assembly, a bearing conveyor belt, multiple one-way bearings, and multiple circular platforms. The low-speed motor is driven by the reduction transmission assembly; the output of the reduction transmission assembly is driven by the bearing conveyor belt; a bearing seat is provided on the bottom surface of the receiving groove corresponding to the position of each circular through hole, and a one-way shaft is installed on each bearing seat. Each circular platform is circumferentially fixedly connected to the inner ring of a one-way bearing. The top surface of the circular platform is located within a circular through hole, and the top surface of the circular platform is flush with the bottom surface of the base platform. Two guide posts are provided between every two bearing seats, and each guide post is equipped with a two-way bearing. The outer ring surface of each two-way bearing is at the same height as the outer ring surface of each one-way bearing, and the position of each guide post is within the width range limited by the outer ring of the one-way bearing. The bearing conveyor belt is folded around one side of the outer ring surface of each two-way bearing and each one-way bearing, so that the bearing conveyor belt can maintain pressure contact with the outer ring surface of each two-way bearing.

[0017] In this implementation, a low-speed motor and a reduction gear transmission assembly (such as a reduction gear transmission assembly) can ensure low-speed rotation output (so that the rotary table rotates at a low speed); the output of the reduction gear transmission assembly (such as the output shaft of the driven wheel) is connected to the bearing conveyor belt. By using the spaced arrangement of bearing seats (on which one-way bearings are installed) and winding columns (on which two-way bearings are installed), the winding direction of the bearing conveyor belt can be adjusted, which helps to increase the contact area and contact pressure between the bearing conveyor belt and each one-way bearing, thereby effectively driving each one-way bearing (the circular platform on which it is mounted) to rotate at the same speed. The one-way bearing design not only drives the circular platform to rotate, realizing the function of a rotary table, but also allows the rotating conveyor belt in the middle section of the second bottle-holding assembly to make pressure contact with the ampoule body, driving the ampoule to run at a relatively high speed without affecting the relatively low-speed operation of other (within the fifth section) rotary tables. Furthermore, after the pressure contact between the rotating conveyor belt in the middle section of the second bottle-holding assembly and the ampoule body is eliminated, it returns to relatively low-speed operation, realizing differential rotation in the preheating-sealing-tempering process to ensure the preheating and sealing effects and improve the qualification rate of ampoule filling.

[0018] In conjunction with the first possible implementation of the first aspect, in the second possible implementation of the first aspect, the top surface of each circular platform is provided with a friction surface made of rubber.

[0019] In this implementation, the top surface of each circular platform is provided with a rubber friction surface to ensure friction, allowing the ampoule to spin under the drive of the rotating platform.

[0020] In conjunction with the first possible implementation of the first aspect, in the third possible implementation of the first aspect, two winding posts are provided between every two bearing housings. The winding post closer to the preceding bearing housing is called the first winding post, and the winding post closer to the following bearing housing is called the second winding post. The bearing conveyor belt starts from the output of the reduction gear assembly, circles the outer ring surface of the one-way bearing on the first bearing housing, circles the lower side of the outer ring surface of the double-direction bearing on the second winding post, circles the upper side of the outer ring surface of the one-way bearing on the next bearing housing, repeats this process until it reaches the upper side of the outer ring surface of the one-way bearing on the last bearing housing, wraps around the lower side of the outer ring surface of the one-way bearing on the last bearing housing, and begins to circle back towards the upper side of the outer ring surface of the double-direction bearing on the first winding post. This circling method continues until it circles back to the lower side of the outer ring surface of the one-way bearing on the first bearing housing and then returns to the output of the reduction gear assembly.

[0021] In this implementation, two guide posts are provided between every two bearing housings. The bearing conveyor belt starts from the output of the reduction gear assembly, wraps around the upper side of the outer ring surface of the one-way bearing on the first bearing housing, then around the lower side of the outer ring surface of the double-acting bearing on the second guide post (the guide post between the two bearing housings closer to the next bearing housing), and then around the upper side of the outer ring surface of the one-way bearing on the next bearing housing. This process is repeated until the upper side of the outer ring surface of the one-way bearing on the last bearing housing, then around the lower side of the outer ring surface of the one-way bearing on the last bearing housing, and begins to wrap back, wrapping around the upper side of the outer ring surface of the double-acting bearing on the first guide post (the guide post between the two bearing housings closer to the previous bearing housing). This wrapping method continues until it returns to the lower side of the outer ring surface of the one-way bearing on the first bearing housing and then returns to the output of the reduction gear assembly. This effectively increases the contact area and contact pressure between the bearing conveyor belt and each one-way bearing, ensuring transmission efficiency and preventing contact friction between the conveyor belts.

[0022] In conjunction with the first aspect, in the fourth possible implementation of the first aspect, the second bottle-holding assembly has protective side plates at both ends of the middle section. A low-speed motor and a speed reduction transmission assembly are provided on one end of the protective side plate, and a bearing seat is fixed to the other end of the protective side plate. A bidirectional bearing is provided on this bearing seat. After the low-speed motor and the speed reduction transmission assembly are connected, the rotating conveyor belt is connected between the output of the speed reduction transmission assembly and the outer ring surface of the bidirectional bearing.

[0023] In this implementation, protective side plates are provided at both ends of the middle section of the second bottle-holding assembly. A low-speed motor and a reduction gear transmission assembly are provided on one end of the protective side plate, and a bearing seat is fixed to the other end of the protective side plate. A bidirectional bearing is installed on this bearing seat. After the low-speed motor and the reduction gear transmission assembly are connected, the rotating conveyor belt is connected between the output of the reduction gear transmission assembly and the outer ring surface of the bidirectional bearing. This enables the rotating function of the rotating conveyor belt, driving the ampoules of the sixth section to rotate in the first direction (the rotating conveyor belt itself rotates in the second direction).

[0024] In conjunction with the fourth possible implementation of the first aspect, in the fifth possible implementation of the first aspect, the head of the second bottle-holding assembly is provided with an auxiliary grid plate, and the auxiliary grid plate is provided with an arc-shaped matching groove corresponding to each arc-shaped slot. Each arc-shaped matching groove is used to cooperate with the corresponding arc-shaped slot to limit the ampoule bottle at that location.

[0025] In conjunction with the fifth possible implementation of the first aspect, in the sixth possible implementation of the first aspect, an auxiliary steering column is provided between the two protective side plates in the middle section of the second bottle-supporting assembly, corresponding to the position between every two arc-shaped grooves, and a pulley or bidirectional bearing is provided on the auxiliary steering column.

[0026] In this implementation, an auxiliary guide post is installed between the two protective side plates in the middle section of the second ampoule assembly, corresponding to the position between every two arc-shaped grooves. A pulley or bidirectional bearing is installed on the auxiliary guide post. This allows the rotating conveyor belt between the two guide posts to partially wrap around and contact the ampoule body, ensuring pressure contact between the conveyor belt and the ampoule body. This allows the ampoule to rotate with the conveyor belt, preventing slippage.

[0027] Secondly, embodiments of this application provide a control method for an ampoule differential rotation drawing and sealing machine as described in the first aspect or any possible implementation of the first aspect, comprising:

[0028] Based on the control of the drive mechanism, the transfer grid can sequentially complete a transfer process along A—B—C—D—A; when the transfer grid is at position A, the ampoules on each transfer mechanism are located on the base platform and embedded in the arc-shaped slots of the bottle-aligning grid. The ampoules in the first section are folded up, and the first gas filling mechanism, the liquid filling mechanism, and the second gas filling mechanism are controlled to respectively fill the ampoules in the second, third, and fourth sections with gas, liquid, and gas, respectively, and the first bottle-aligning assembly is controlled to operate. The second bottle-holding assembly engages with the arc-shaped slot of the fifth segment to limit the position of the ampoule located in the fifth segment. Simultaneously, the rotating platform of the fifth segment drives the ampoule on it to rotate at x revolutions per second along the first direction. The preheating burner preheats the neck of the ampoule in the fifth segment, controlling the second bottle-holding assembly to engage with the arc-shaped slot of the sixth segment to limit the position of the ampoule located in the sixth segment. Simultaneously, the rotating conveyor belt in the middle section of the second bottle-holding assembly contacts the body of the ampoule in the sixth segment, thereby driving the ampoule in the sixth segment... The ampoule rotates at a speed of [number] revolutions per second along the first direction, while the molten combustion nozzle heats the neck of the sixth-section ampoule. The wire-drawing pliers clamp the molten ampoule head at the neck of the sixth section and draw it into a wire for sealing. The separated ampoule head is then transported to the waste recycling tank and returned to its original position. Here, r represents the radius of the ampoule body. Afterwards, the first and second ampoule-aligning components can be controlled to return to their original positions, while the transfer grid is controlled to swing forward to position B, pushing the ampoule in the transfer mechanism out of the arc-shaped slot of the ampoule-aligning grid, so that the ampoule is positioned in the designated location. The ampoule is placed on the base platform and embedded in the corresponding arc-shaped slot of the transfer grid plate. Then, the transfer grid plate is controlled to slide one step on the base platform to position C, so that a group of ampoules in the current segment moves to the next segment. The transfer grid plate is then controlled to swing back to position D, so that the transfer grid plate is retracted behind the bottle-holding grid, while the ampoule is located on the base platform and embedded in the arc-shaped slot of the bottle-holding grid, realizing the transfer of the ampoule. The transfer grid plate then slides one step back to position A, completing one ampoule filling process.

[0029] In conjunction with the second aspect, in the first possible implementation of the second aspect, x∈[0.6, 1.2],

[0030] In conjunction with the first possible implementation of the second aspect, in the second possible implementation of the second aspect, after the wire-pulling pliers separate the ampoule head by a milliseconds, the second ampoule assembly disengages from the arc-shaped slot, and after another b milliseconds, the molten combustion nozzle swings upward and the transfer grid swings forward.

[0031] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0032] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments of this application will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of an ampoule differential rotation drawing and filling machine provided in an embodiment of this application.

[0034] Figure 2 This is a schematic diagram showing the transmission mechanism and the bottle filling process provided in the embodiments of this application.

[0035] Figure 3This is a schematic diagram of the rotating platforms for the fifth and sixth segments.

[0036] Figure 4 This is a schematic diagram showing the placement of two bidirectional bearings between two adjacent one-way bearings.

[0037] Figure 5 A schematic diagram of a rotating conveyor belt installed in the middle section of the second bottle-holding assembly.

[0038] Icons: 100 - Ampoule Differential Rotary Filling and Sealing Machine; 110 - Bottle Feeding Mechanism; 120 - Conveying Mechanism; 121 - Base Platform; 122 - Bottle Bracelet; 123 - Transfer Grid; 130 - First Gas Filling Mechanism; 140 - Liquid Filling Mechanism; 150 - Second Gas Filling Mechanism; 160 - Differential Rotary Filling and Sealing Mechanism; 161 - Preheating Burner; 162 - Melting Burner; 163 - First Bottle Bracelet Assembly; 164 - Second Bottle Bracelet Assembly; 16 5-Wire drawing pliers; 170-Ampoule collection tank; 180-Rotating table; 181-Receiving tank; 182-Low-speed motor; 183-Reduction transmission assembly; 184-Bearing conveyor belt; 185-One-way bearing; 186-Circular platform; 187-Wrapping column; 191-Protective side plate; 192-Low-speed motor; 193-Reduction transmission assembly; 194-Bearing housing; 195-Two-way bearing; 196-Auxiliary wrapping column; 197-Rotating conveyor belt. Detailed Implementation

[0039] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0040] Please see Figure 1 and Figure 2 , Figure 1 A schematic diagram of the ampoule differential rotation drawing and sealing machine 100 provided in the embodiments of this application; Figure 2 This is a schematic diagram showing the corresponding process of the transfer mechanism 120 and the ampoule filling process provided in this embodiment. In this embodiment, the ampoule differential rotary drawing and sealing machine 100 may include a bottle feeding mechanism 110, a transfer mechanism 120, a first gas filling mechanism 130, a liquid filling mechanism 140, a second gas filling mechanism 150, a differential rotary drawing and sealing mechanism 160, and a bottle dispensing mechanism.

[0041] The ampoule filling process can be divided into:

[0042] Bottle filling stage: Gather the ampoules that need to be filled and prepare them for liquid filling and sealing;

[0043] Pre-filling stage: Inert gas is filled into the ampoule;

[0044] Liquid filling stage: Fill the ampoule with the drug solution after gas filling;

[0045] Post-filling stage: Inert gas is refilled into the ampoule after liquid filling;

[0046] Bottleneck preheating stage: The bottle neck is preheated after liquid and gas filling to evaporate any liquid that may be present at the bottle neck.

[0047] The drawing and sealing stage involves heating and drawing the neck of the preheated ampoule to create a thread-like sealing effect.

[0048] Bottle dispensing stage: Push the filled and sealed ampoules into the ampoule collection tank 170.

[0049] Corresponding to each stage of the ampoule filling process, the transmission mechanism 120 is divided into the first, second, third, fourth, fifth, sixth, and seventh sections.

[0050] For example, the transfer mechanism 120 may include a drive mechanism and a base platform 121, a bottle-holding barrier 122, and a transfer plate 123 that pass through the first to seventh segments. The base platform 121 and the bottle-holding barrier 122 are perpendicular to each other, and both the base platform 121 and the bottle-holding barrier 122 are located on a horizontal plane facing upwards. The transfer plate 123 is disposed between two plates of the bottle-holding barrier 122. Each plate of the bottle-holding barrier 122 and the transfer plate 123 are provided with multiple arc-shaped slots at equal intervals. The transfer plate 123 is connected to the drive mechanism to realize the transfer of the ampoule to the next stage. In the fifth and sixth segments, a rotating platform 180 is provided at each position corresponding to the arc-shaped slot on the base platform 121. The height of the rotating platform 180 is flush with the height of the surface of the base platform 121. Each rotating platform 180 rotates in a first direction at x revolutions per second.

[0051] For example, the bottle delivery mechanism 110 is connected to the transfer mechanism 120 and is located within the first segment, for transporting ampoules that need to be filled and sealed to the first segment.

[0052] For example, the first filling mechanism 130 is located within the second section and is used to fill the ampoule located in the second section with gas.

[0053] For example, the filling mechanism 140 is used to fill the ampoule (which has already undergone the gas filling operation) located in the third section within the third section.

[0054] For example, the second gas filling mechanism 150 is located in the fourth section and is used to fill the ampoule (which has already been filled with liquid) located in the fourth section with gas.

[0055] For example, the differential rotation drawing and sealing mechanism 160 may include a preheating burner 161, a melting burner 162, a first bottle-holding assembly 163, a second bottle-holding assembly 164, drawing pliers 165, and a waste recycling tank.

[0056] The preheating burner 161 and the first ampoule-holding assembly 163 are both located within the fifth section, and are situated on opposite sides of the base platform 121. The second ampoule-holding assembly 164, the melting burner 162, the wire-drawing pliers 165, and the waste collection tank are all located within the sixth section. The second ampoule-holding assembly 164 is on the same side of the base platform 121 as the first ampoule-holding assembly 163, while the melting burner 162, the wire-drawing pliers 165, and the waste collection tank are located on the opposite side of the second ampoule-holding assembly 164. The melting burner 162 is at one height, and the wire-drawing pliers 165 is at the highest point, allowing for upward and downward sliding. The waste collection tank is positioned at a relatively low height to collect the waste material from the separated ampoule heads.

[0057] The second ampoule-holding assembly 164 has a rotating conveyor belt 197 in its middle section. When the second ampoule-holding assembly 164 cooperates with the ampoule-holding fence 122 to limit the ampoule, the rotating conveyor belt 197 contacts the body of the ampoule and drives the ampoule to rotate. The rotating conveyor belt 197 travels around in the second direction at a speed of y cm / s, where y cm is greater than x times the circumference of the ampoule body, and the second direction is opposite to the first direction.

[0058] For example, the dispensing mechanism is located in the seventh segment and is used to push the filled and sealed ampoule in the seventh segment into the ampoule collection tank 170.

[0059] A rotating platform 180 is provided at each corresponding arc-shaped slot position on the base platform 121 of the fifth and sixth sections. The height of the rotating platform 180 is flush with the height of the base platform 121. Each rotating platform 180 rotates in the first direction at x revolutions per second, so as to drive the ampoules located in the fifth and sixth sections to rotate in the first direction at x revolutions per second. The second bottle-holding assembly 164 located in the sixth section has a rotating conveyor belt 197 in the middle. When the second bottle-holding assembly 164 cooperates with the bottle-holding fence 122 to limit the position of the ampoule, the rotating conveyor belt 197 contacts the body of the ampoule, causing the ampoule to rotate. The conveyor belt 197 rotates along the second direction at a speed of y cm / s, where y cm is greater than x times the circumference of the ampoule (i.e., the speed at which the ampoule is rotated by the conveyor belt 197 is higher than the speed at which the ampoule is rotated by the rotary table 180). During the preheating stage (within the fifth segment), it provides a relatively low rotation speed (ideally one revolution within the preheating time), and during the melting stage, it provides a relatively high rotation speed (ideally more than one revolution within the melting time). This not only provides rotation during the drawing process, improving the drawing effect, but also maintains a relatively high rotation speed after drawing, facilitating fusion sealing and effectively preventing pointed or flat ends. Furthermore, during the tempering process after fusion sealing, the contact between the conveyor belt 197 and the ampoule is eliminated, allowing the ampoule to rotate at a relatively low speed based on the rotation of the rotary table 180, ensuring the tempering effect and further improving the yield rate of the sealed ampoules. This type of ampoule differential rotary drawing and sealing machine 100 can effectively solve the problems of pointed and flat ends caused by the thick walls of the ampoule, and further improve the qualification rate of ampoule filling.

[0060] Please see Figure 3 , Figure 3 This is a schematic diagram of the rotating platform 180 for the fifth and sixth segments.

[0061] In this embodiment, the bottom surfaces of the base platform 121 of the fifth and sixth segments are provided with circular through holes corresponding to the arc-shaped slots. The bottom of the base platform 121 is provided with a receiving groove 181 covering the fifth and sixth segments. The receiving groove 181 is provided with a low-speed motor 182, a reduction transmission assembly 183, a bearing conveyor belt 184, multiple one-way bearings 185, and multiple circular platforms 186.

[0062] The output shaft of the low-speed motor 182 is connected to the reduction gear transmission assembly 183 (e.g., a reduction gear transmission assembly), and the output shaft of the reduction gear transmission assembly 183 (e.g., the output shaft of the driven wheel) is connected to the bearing conveyor belt 184. A bearing seat is provided on the bottom surface of the receiving groove 181 corresponding to the position of each circular through hole, and a one-way bearing 185 is installed on each bearing seat. Each circular platform 186 is circumferentially fixed to the inner ring of a one-way bearing 185. The top surface of the circular platform 186 is located inside the circular through hole, and the top surface of the circular platform 186 is flush with the bottom surface of the base platform 121. Two guide posts 187 are provided between every two bearing housings, and each guide post 187 is equipped with a double-direction bearing. The outer ring surface of each double-direction bearing is at the same height as the outer ring surface of each one-way bearing 185, and the position of each guide post 187 is within the width range limited by the outer ring of the one-way bearing 185 (i.e., the position of each guide post 187 will not exceed the vertical width range of the outer ring of the one-way bearing 185). Therefore, the bearing conveyor belt 184 can be folded around one side of the outer ring surface of each double-direction bearing and each one-way bearing 185, so that the bearing conveyor belt 184 can maintain pressure contact with the outer ring surface of each double-direction bearing.

[0063] By using a low-speed motor 182 and a reduction gear transmission assembly 183 (e.g., a reduction gear transmission assembly), a low-speed rotation output can be ensured (so that the rotary table 180 rotates at a lower speed). The output of the reduction gear transmission assembly 183 (e.g., the output shaft of the driven wheel) is connected to the bearing conveyor belt 184. By using the spaced arrangement of bearing seats (on which one-way bearings 185 are installed) and winding columns 187 (on which two-way bearings are installed), the winding direction of the bearing conveyor belt 184 can be adjusted, which helps to increase the contact area and contact pressure between the bearing conveyor belt 184 and each one-way bearing 185, thereby effectively driving each one-way bearing 185 (on which the circular platform 186 rotates at the same speed). The design of the one-way bearing 185 not only drives the circular platform 186 to rotate, realizing the function of the rotating platform 180, but also allows the rotating conveyor belt 197 in the middle section of the second bottle-holding assembly 164 to make pressure contact with the ampoule body, driving the ampoule to run at a relatively high speed without affecting the relatively low-speed operation of other (within the fifth section) rotating platforms 180. Moreover, after the pressure contact between the rotating conveyor belt 197 in the middle section of the second bottle-holding assembly 164 and the ampoule body is eliminated, it returns to relatively low-speed operation, realizing differential rotation in the preheating-sealing-tempering process, so as to ensure the preheating effect and sealing effect, and improve the qualification rate of ampoule filling.

[0064] For example, each circular platform 186 has a rubber friction surface on its top surface to ensure friction, so that the ampoule rotates under the drive of the rotating platform 180.

[0065] Exemplarily, two winding columns 187 are provided between every two bearing seats. Among them, for the two winding columns 187 between every two bearing seats, the winding column 187 closer to the previous bearing seat is called the first winding column 187, and the winding column 187 closer to the subsequent bearing seat is called the second winding column 187.

[0066] The bearing conveyor belt 184 starts from the output of the speed reduction transmission component. After winding around the upper side of the outer ring surface of the one-way bearing 185 on the first bearing seat, it winds around the lower side of the outer ring surface of the two-way bearing on its second winding column 187, and then winds around the upper side of the outer ring surface of the one-way bearing 185 on the next bearing seat. Repeat this way until it winds around the upper side of the outer ring surface of the one-way bearing 185 on the last bearing seat, then wraps around to the lower side of the outer ring surface of the one-way bearing 185 on the last bearing seat, and starts to wind back. It winds around the upper side of the outer ring surface of the two-way bearing on the first winding column 187. By this winding method, until it winds back to the lower side of the outer ring surface of the one-way bearing 185 on the first bearing seat and then winds back to the output of the speed reduction transmission component.

[0067] This can effectively increase the contact area and contact pressure between the bearing conveyor belt 184 and each one-way bearing 185, ensure the transmission effect, and prevent the contact friction between the conveyor belts.

[0068] In addition, in addition to the method of providing two winding columns 187 between every two bearing seats, in order to improve the transmission effect, other ways of arranging the winding columns 187 can also be selected.

[0069] For example, the radius of the selected one-way bearing 185 is r1, the radius of the two-way bearing provided on the winding column 187 is r2, 2r2 < r1, and the center point distance between two adjacent one-way bearings 185 is L (L > 6r1). Then, in order to improve the transmission effect and increase the contact area between the bearing conveyor belt 184 and the outer ring surface of the one-way bearing 185 as much as possible to increase the friction between the bearing conveyor belt 184 and the outer ring surface of the one-way bearing 185, it can be designed as:

[0070] As Figure 4 shown, taking the lower vertex of the previous one-way bearing 185 as the origin, then, the center point coordinates of the first winding column 187 are set as (r1 + 2r2, 2r1 - 2r2), and the center point coordinates of the second winding column 187 are (L - r1 - 2r2, 2r2). Thus, the contact area between the bearing conveyor belt 184 and the outer ring surface of the one-way bearing 185 can be increased, while preventing the mutual contact friction between the conveyor belts and controlling the transmission resistance caused by the folding setting of the conveyor belt.

[0071] Please refer to Figure 5 , Figure 5This is a schematic diagram of a rotating conveyor belt 197 provided for the middle section of the second bottle-holding assembly 164. In this embodiment, protective side plates 191 are provided at both ends of the middle section of the second bottle-holding assembly 164. A low-speed motor 192 and a reduction gear transmission assembly 193 are provided on one end of the protective side plate 191, and a bearing seat 194 is fixed to the other end of the protective side plate 191. A bidirectional bearing 195 is provided on this bearing seat 194. After the low-speed motor 192 is connected to the reduction gear transmission assembly 193, the rotating conveyor belt 197 is connected between the output of the reduction gear transmission assembly 193 and the outer ring surface of the bidirectional bearing 195. This enables the rotating function of the rotating conveyor belt 197, driving the ampoules of the sixth section to rotate in the first direction (the rotating conveyor belt 197 itself rotates in the second direction).

[0072] For example, the head of the second bottle-holding assembly 164 is provided with an auxiliary grid plate, and the auxiliary grid plate is provided with an arc-shaped matching groove corresponding to each arc-shaped slot. Each arc-shaped matching groove is used to cooperate with the corresponding arc-shaped slot to limit the ampoule bottle at that location.

[0073] Based on this, between the two protective side plates 191 in the middle section of the second bottle-holding assembly 164, an auxiliary guide post 196 is set at the position corresponding to every two arc-shaped grooves, and a pulley or a two-way bearing is set on the auxiliary guide post 196.

[0074] This allows the rotating conveyor belt 197 between the two rotating posts 187 to partially wrap around and contact the ampoule body, ensuring pressure contact between the rotating conveyor belt 197 and the ampoule body. This allows the ampoule to rotate as it is driven by the rotating conveyor belt 197, preventing slippage.

[0075] The above is an introduction to the ampoule differential rotary drawing and filling machine 100. The following will introduce the control method of the ampoule differential rotary drawing and filling machine 100.

[0076] In this embodiment, for ease of description and understanding, the control method of the ampoule differential rotary drawing and sealing machine 100 is described in terms of the stage where the drive mechanism controls the operation of the transfer grid plate 123. Therefore, the control method of the ampoule differential rotary drawing and sealing machine 100 can be as follows:

[0077] Based on the control of the drive mechanism, the transfer grid 123 can complete a transfer process sequentially along A—B—C—D—A.

[0078] When the transfer grid 123 is in position A, the ampoules on each transfer mechanism 120 are positioned on the base platform 121 and embedded in the arc-shaped slots of the ampoule-holding grid 122. At this time, the ampoules in the first section are folded up, and the first gas filling mechanism 130, the liquid filling mechanism 140, and the second gas filling mechanism 150 are controlled to fill the ampoules in the second, third, and fourth sections with gas, liquid, and refill respectively; and the first ampoule-holding assembly 163 is controlled to move to engage with the arc-shaped slot in the fifth section to limit the position of the ampoules in the fifth section; simultaneously, the rotating platform 180 of the fifth section drives the ampoules on it to rotate x times / The ampoule rotates along the first direction, while the preheating burner 161 (whose firepower is less than that of the melting burner 162) preheats the neck of the fifth section ampoule; and the second bottle-holding assembly 164 is controlled to move to engage with the arc-shaped groove of the sixth section to limit the ampoule in the sixth section. At the same time, the rotating conveyor belt 197 in the middle section of the second bottle-holding assembly 164 contacts the body of the sixth section ampoule, thereby driving the sixth section ampoule to rotate. The ampoule rotates at a speed of [rpm] along the first direction, while the molten burner 162 (with a higher heat output than the preheating burner 161) heats the neck of the sixth-section ampoule. The wire-drawing pliers 165 clamp the molten ampoule head at the neck of the sixth section and draw it into a wire for sealing. The separated ampoule head is then transported to the waste recycling tank and returned to its original position. Here, r represents the radius of the ampoule body. Afterwards, the first ampoule-holding assembly 163 and the second ampoule-holding assembly 164 can also be controlled to return to their original positions.

[0079] Then, the transfer grid plate 123 can be controlled to swing forward to position B, pushing the ampoule in the transfer mechanism 120 away from the arc-shaped slot of the bottle-adhering grid 122, so that the ampoule is placed on the base platform 121 and embedded in the corresponding arc-shaped slot of the transfer grid plate 123.

[0080] Then, the transfer grid plate 123 can be controlled to move the ampoule on the base platform 121 by one step to position C, so that a group of ampoules in the current segment can move to the next segment (for example, the ampoules in the second segment are transferred to the third segment, and the ampoules in the third segment are transferred to the fourth segment).

[0081] The transfer grid 123 can then be controlled to swing back to position D, so that it is retracted behind the bottle-holding grid 122, while the ampoule is located on the base platform 121 and embedded in the arc-shaped slot of the bottle-holding grid 122, thus realizing the transfer of the ampoule. Based on this, the transfer grid 123 can slide back to position A by one step, completing one ampoule filling process.

[0082] In this embodiment, considering the production efficiency of the multi-needle ampoule filling and sealing machine (mainly the time spent in the stringing and sealing stage, generally between 1.2 and 2.5 seconds), x∈[0.6, 1.2],

[0083] To simplify the explanation, let's take the time of the string-drawing and sealing stage as 1.67 seconds as an example. The value of x can be 0.6. The value can be 1.5, and the time allocation is as follows:

[0084] Fifth stage: Preheating for 1.67 seconds;

[0085] Sixth stage: melting 0.67s, drawing 0.56s, tempering 0.67s.

[0086] After the wire drawing pliers 165 separates the ampoule head, a milliseconds (e.g., 333 milliseconds) later, the second ampoule assembly 164 disengages from the arc-shaped slot, and then b milliseconds (e.g., 667 milliseconds) later, the molten burner 162 swings upward and the transfer grid 123 swings forward.

[0087] In this method, the preheating stage takes 1.67 seconds, with x set to 0.6. This allows the ampoule to rotate exactly one full turn, ensuring comprehensive preheating of the ampoule neck and preventing incomplete evaporation of the medication at the neck, which could lead to the ampoule collapsing. The melting and sealing stage includes the melting phase, which takes 0.67 seconds. The value of x is 1.5, and the ampoule rotates exactly one revolution. The drawing stage (the drawing pliers 165 separate the ampoule head) takes 0.33s, and the ampoule rotates half a revolution, which can ensure the sealing effect. The subsequent tempering stage takes 0.67s, and the value of x is 0.6, and the ampoule rotates nearly half a revolution again (in reality, due to the inertia of the rotation of the one-way bearing, the actual rotation value is slightly greater than the theoretical rotation value, close to half a revolution), which ensures the tempering effect.

[0088] Compared to traditional ampoule filling machines, the filling process of the ampoule differential rotation drawing and sealing machine 100 under this control method reduces the defect rate caused by pointed and flat ends by nearly 50%. It effectively solves the problem of pointed and flat ends caused by the thick walls of the ampoule itself, and greatly improves the pass rate of ampoule filling.

[0089] In summary, this application provides an ampoule differential rotary drawing and sealing machine and its control method. A rotating platform 180 is provided at each corresponding arc-shaped slot position on the base platform 121 of the fifth and sixth sections. The height of the rotating platform 180 is flush with the height of the base platform 121. Each rotating platform 180 rotates at x revolutions per second along a first direction, thereby driving the ampoules located in the fifth and sixth sections to rotate at x revolutions per second along the first direction. The second bottle-holding assembly 164 located in the sixth section has a rotating conveyor belt 197 in its middle section. When the second bottle-holding assembly 164 cooperates with the bottle-holding fence 122 to limit the position of the ampoule, the rotating conveyor belt 197 and the ampoule body... The rotating conveyor belt 197 contacts and rotates the ampoule at a speed of y cm / s along the second direction, where y cm is greater than x times the circumference of the ampoule (i.e., the speed at which the rotating conveyor belt 197 rotates the ampoule is higher than the speed at which the rotating table 180 rotates the ampoule). During the preheating stage (within the fifth segment), a relatively low rotation speed is provided (ideally one revolution within the preheating time), while during the melting stage, a relatively high rotation speed is provided (ideally more than one revolution within the melting time). This not only provides rotation during the drawing process, improving the drawing effect, but also maintains a relatively high rotation speed after drawing, facilitating fusion sealing and effectively preventing pointed or flat ends. Furthermore, during the tempering process after fusion sealing, the contact between the rotating conveyor belt 197 and the ampoule is eliminated, allowing the ampoule to rotate at a relatively low speed based on the rotation of the rotating table 180, ensuring the tempering effect and further improving the yield rate of the sealed ampoules. This type of ampoule differential rotary drawing and sealing machine 100 can effectively solve the problems of pointed and flat ends caused by the thick walls of the ampoule, and further improve the qualification rate of ampoule filling.

[0090] In this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations.

[0091] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A differential speed rotary drawing and sealing machine for ampoules, characterized in that, The ampoule filling and sealing process includes a bottle feeding mechanism, a transport mechanism, a first gas filling mechanism, a liquid filling mechanism, a second gas filling mechanism, a differential rotation drawing and sealing mechanism, and a bottle exiting mechanism. The process is divided into five stages: bottle placement, pre-gas filling, liquid filling, post-gas filling, neck preheating, drawing and sealing, and bottle exiting. Corresponding to each stage of the ampoule filling and sealing process, the transport mechanism is sequentially divided into seven sections: the first section, the second section, the third section, the fourth section, the fifth section, the sixth section, and the seventh section. The transmission mechanism includes a drive mechanism and a base platform, a bottle-holding barrier, and a transfer grid plate extending from the first segment to the seventh segment. The base platform and the bottle-holding barrier are perpendicular to each other, and both are located on a horizontal plane facing upwards. The transfer grid plate is disposed between two plates of the bottle-holding barrier. Each plate of the bottle-holding barrier and the transfer grid plate are provided with multiple arc-shaped slots at equal intervals. The transfer grid plate is connected to the drive mechanism to realize the transfer of the ampoule to the next stage. A rotating platform is provided at each position corresponding to an arc-shaped slot on the base platform of the fifth and sixth segments. The height of the rotating platform is flush with the height of the base platform surface. Each rotating platform... x Rotational speed per second along the first direction; The bottle delivery mechanism, which is connected to the transmission mechanism, is located within the first section and is used to transport ampoules that need to be filled and packaged into the first section. The first gas filling mechanism, the liquid filling mechanism, and the second gas filling mechanism are located in the second section, the third section, and the fourth section, respectively, and are used to fill the ampoules located in the second section, the third section, and the fourth section with gas, liquid, and gas, respectively. The differential rotational drawing and sealing mechanism includes a preheating burner, a melting burner, a first bottle-holding assembly, a second bottle-holding assembly, drawing pliers, and a waste recycling tank. The preheating burner and the first bottle-holding assembly are both located within the fifth segment and are respectively located on opposite sides of the base platform. The second bottle-holding assembly, the melting burner, the drawing pliers, and the waste recycling tank are all located within the sixth segment. The second bottle-holding assembly and the first bottle-holding assembly are located on the same side of the base platform, while the melting burner, the drawing pliers, and the waste recycling tank are located on the opposite side of the second bottle-holding assembly. A rotating conveyor belt is provided in the middle section of the second bottle-holding assembly. When the second bottle-holding assembly cooperates with the bottle-holding fence to limit the ampoule's position, the rotating conveyor belt contacts the ampoule's body, causing the ampoule to rotate. The rotating conveyor belt... y It travels at a velocity of centimeters per second in the second direction, where, y The centimeter is larger than the circumference of the ampoule. x The second direction is opposite to the first direction; The dispensing mechanism, located within the seventh section, is used to push the filled and sealed ampoules located in the seventh section into the ampoule collection tank.

2. The ampoule bottle differential speed rotary drawing and sealing machine according to claim 1, characterized in that, The bottom surfaces of the base platforms of the fifth and sixth segments are provided with circular through holes corresponding to the arc-shaped slots. The bottom of the base platform is provided with a receiving groove that covers the fifth and sixth segments. The receiving groove contains a low-speed motor, a reduction transmission assembly, a bearing conveyor belt, multiple one-way bearings, and multiple circular platforms. The low-speed motor is connected to the reduction gear assembly. The output of the speed reduction transmission assembly is connected to the bearing conveyor belt drive; A bearing seat is provided on the bottom surface of the receiving groove corresponding to the position of each circular through hole, and a one-way bearing is installed on each bearing seat; Each circular platform is circumferentially fixed to the inner ring of a one-way bearing. The top surface of the circular platform is located inside a circular through hole, and the top surface of the circular platform is flush with the bottom surface of the base platform. Two guide posts are provided between every two bearing housings, and a double-direction bearing is provided on each guide post. The outer ring surface of each double-direction bearing is at the same height as the outer ring surface of each one-way bearing, and the position of each guide post is within the width range limited by the outer ring of the one-way bearing. The bearing conveyor belt is folded around one side of the outer ring surface of each bidirectional bearing and each unidirectional bearing, so that the bearing conveyor belt can maintain pressure contact with the outer ring surface of each bidirectional bearing.

3. The ampoule bottle differential speed rotary drawing and sealing machine according to claim 2, characterized in that, Each circular platform has a rubber friction surface on its top surface.

4. The ampoule bottle differential speed rotary drawing and sealing machine according to claim 2, characterized in that, Two guide posts are provided between every two bearing housings. The guide post closer to the preceding bearing housing is called the first guide post, and the guide post closer to the following bearing housing is called the second guide post. The bearing conveyor belt starts from the output of the reduction gear assembly, wraps around the upper side of the outer ring surface of the one-way bearing on the first bearing housing, then around the lower side of the outer ring surface of the second double-acting bearing on the second bearing housing, and then around the upper side of the outer ring surface of the one-way bearing on the next bearing housing. This process is repeated until it reaches the upper side of the outer ring surface of the one-way bearing on the last bearing housing, then wraps around the lower side of the outer ring surface of the one-way bearing on the last bearing housing, and begins to wrap back, wrapping around the upper side of the outer ring surface of the first double-acting bearing on the first bearing housing. This process continues until it returns to the lower side of the outer ring surface of the one-way bearing on the first bearing housing and then returns to the output of the reduction gear assembly.

5. The ampoule bottle differential speed rotary drawing and sealing machine according to claim 1, characterized in that, The second bottle-holding assembly has protective side plates at both ends of its middle section. A low-speed motor and a reduction transmission assembly are installed on one protective side plate, and a bearing housing is fixed to the other protective side plate. A double-acting bearing is installed on this bearing housing. After the low-speed motor is connected to the reduction gear transmission assembly, the rotating conveyor belt is connected between the output of the reduction gear transmission assembly and the outer ring surface of the bidirectional bearing.

6. The ampoule bottle differential speed rotary drawing and sealing machine according to claim 5, characterized in that, The head of the second ampoule assembly is provided with an auxiliary grid plate. The auxiliary grid plate is provided with an arc-shaped groove corresponding to each arc-shaped slot. Each arc-shaped groove is used to cooperate with the corresponding arc-shaped slot to limit the ampoule at that position.

7. The ampoule bottle differential speed rotary drawing and sealing machine according to claim 6, characterized in that, Between the two protective side plates in the middle section of the second bottle-supporting assembly, an auxiliary steering column is set at the position corresponding to every two arc-shaped grooves, and a pulley or a two-way bearing is set on the auxiliary steering column.

8. A control method for an ampoule differential rotation drawing and filling machine according to any one of claims 1 to 7, characterized in that, include: Based on the control of the drive mechanism, the transfer grid plate can complete a transfer process sequentially along A—B—C—D—A; When the transfer grid is in position A, the ampoules on each transfer mechanism are positioned on the base platform and embedded in the arc-shaped slots of the ampoule-holding grid. The ampoules in the first segment are retracted. The first gas-filling mechanism, the liquid-filling mechanism, and the second gas-filling mechanism are controlled to respectively gas-fill, liquid-fill, and gas-fill the ampoules in the second, third, and fourth segments. The first ampoule-holding assembly is controlled to move to engage with the arc-shaped slot in the fifth segment to limit the position of the ampoules in the fifth segment. Simultaneously, the rotating platform in the fifth segment moves the ampoules on it... x The ampoule rotates at a speed of [number] revolutions per second along the first direction, while the preheating burner preheats the neck of the fifth section ampoule. This controls the second ampoule-holding assembly to engage with the arc-shaped slot of the sixth section, thus limiting the position of the ampoule in the sixth section. Simultaneously, the rotating conveyor belt in the middle section of the second ampoule-holding assembly contacts the body of the sixth section ampoule, thereby driving the ampoule in the sixth section... The ampoule rotates at a speed of [number] revolutions per second along the first direction, while the molten combustion nozzle heats the neck of the sixth section of the ampoule. The wire-drawing pliers clamp the molten ampoule head at the neck of the sixth section and draw it into a wire for sealing. The separated ampoule head is then transported to the waste recycling tank and returned to its original position. Indicates the radius of the ampoule bottle; Then, control the first bottle-holding assembly and the second bottle-holding assembly to return to their original positions, and at the same time control the transfer grid plate to swing forward to position B, pushing the ampoule in the transfer mechanism away from the arc-shaped slot of the bottle-holding grid, so that the ampoule is placed on the base platform and embedded in the corresponding arc-shaped slot of the transfer grid plate; Then, the transfer grid plate is controlled to move the ampoule one step on the base platform to position C, so that the current group of ampoules moves to the next segment. Control the transfer grid plate to swing back to position D, so that the transfer grid plate is retracted behind the bottle-holding grid, while the ampoule is located on the base platform and embedded in the arc-shaped slot of the bottle-holding grid, thereby realizing the transfer of the ampoule; The transfer grid then slides back to position A by one step, completing one ampoule filling process.

9. The control method for the ampoule bottle differential rotation drawing and sealing machine according to claim 8, characterized in that, x ∈[0.6，1.2]， ∈[0.8，2.0]。 10. The control method for the ampoule bottle differential rotation drawing and sealing machine according to claim 9, characterized in that, After separating the ampoule head with wire cutters a Milliseconds later, the second bottle-holding component disengages from the arc-shaped slot, and then... b Milliseconds, the molten combustion nozzle swings upward, and the transfer grid plate swings forward.

Images