Production process and production equipment of flask

Abstract

The invention belongs to the field of glass bottle production, and relates to a triangular conical flask and a volumetric flask, in particular to a production process and production equipment of the flask, and the production process of the flask is implemented based on the production equipment of the flask, and comprises the following production steps: S1, preparing a thin and long glass tube which is hollow and has two through ends; s2, weighing and checking the glass tubes, and screening out insufficient or overweight glass tubes; and S3, the qualified glass tubes are manually installed into a machining station of the flask production equipment one by one, and the flask production equipment runs and drives the installed glass tubes to revolve when the glass tubes are installed, and meanwhile the glass tubes are driven to rotate. The invention provides a perfect flask manufacturing process for a triangular conical flask and a volumetric flask with a small upper part and a large lower part, and is improved on the basis of the existing flask production equipment, so that the flask is convenient to produce.

Description

Technical Field

[0001] The invention belongs to the field of glass bottle production, and relates to a triangular conical flask and a volumetric flask, and in particular to a production process and production equipment for the flask. Background Art

[0002] Glass bottle firing is a mature production process that heats glass raw materials at high temperatures to soften them and make them easier to process. Common glass bottle shapes are cylindrical and truncated cones, which have simple geometric structures and are easy to fire. However, the triangular conical flasks and volumetric flasks used in laboratories have more complex geometric structures, and the processes and equipment used to produce common glass bottle shapes are not applicable. Therefore, a new flask production process and production equipment are needed. Summary of the invention

[0003] In view of the above problems, the present invention provides a process and related equipment specially used for flask production.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is: a production process of a flask, which is implemented based on a production equipment of a flask, and includes the following production steps:

[0005] S1: Prepare a thin and long glass tube, which is hollow and has two ends connected;

[0006] S2: Weigh and check the glass tubes, and screen out those that are underweight or overweight;

[0007] S3: Manually install qualified glass tubes one by one into the processing station of the flask production equipment. When installing the glass tubes, the flask production equipment operates and drives the installed glass tubes to revolve, and also drives the glass tubes to rotate;

[0008] S4: The flame nozzle of the flask production equipment heats the bottom end of the glass tube;

[0009] S5: The bottom sealing mechanism of the flask production equipment seals the bottom end of the glass tube;

[0010] S6: Since the glass tube is placed vertically, 220mm / 350mm is measured upward from the bottom of the glass tube, and this part is heated by the flame nozzle;

[0011] S7: The forming mechanism of the flask production equipment squeezes the heated part of the glass tube. The extrusion is divided into two parts: the mold squeezes from both sides and the top block squeezes from bottom to top, and finally the flask is formed;

[0012] S8: The flask production equipment is provided with a clamping mechanism, and the flame nozzle heats the connection between the flask and the upper glass tube. When the flask and the glass tube revolve around the working area of ​​the clamping mechanism, the clamping mechanism starts and reduces the diameter of the connection between the flask and the glass tube. Then, the flask production equipment drives the flask to revolve, and since the clamping mechanism is not loosened, the flask and the glass tube are separated.

[0013] S9: After step S8, manually observe the remaining length of the glass tube. If the length of a glass tube is not enough to produce a new flask, take out the glass tube and perform step S3 and subsequent steps again. If the length of the glass tube is enough to produce a new flask, do not return to step S3 and proceed to the next step.

[0014] S10: the telescopic end of the first electric push rod and the movable end of the second electric push rod rise, the first electric push rod pushes the clamping mechanism on the processing station to release the glass tube, the glass tube falls and lands on the movable end of the second electric push rod, the movable end of the second electric push rod descends and drives the glass tube to continue to descend to a predetermined height, then the telescopic end of the first electric push rod descends, causing the clamping mechanism to re-clamp the glass tube, then the movable end of the second electric push rod descends again to stay away from the glass tube, finally the flask production equipment drives the glass tube to revolve, and step S4 and subsequent steps are executed;

[0015] S11: After the flask is separated from the glass tube in step S8, it falls onto the conveyor belt. A fan is provided above the conveyor belt to cool down the flask being conveyed. Finally, the conveyed flask is manually placed on an electronic scale for weighing and verification.

[0016] A flask production device, used for implementing the flask production process of claim 1, comprising a base and a main body rotating on the base, the base being provided with a plurality of flame nozzles, the main body being provided with a plurality of processing stations arranged in a circular shape, the processing stations being rotatable, and the processing stations being provided with a clamping mechanism for clamping a glass tube, and further comprising a bottom sealing mechanism and a molding mechanism arranged in sequence according to the production process, and further comprising a clamping mechanism, a first electric push rod, and a second electric push rod arranged in sequence according to the production process;

[0017] Preferably, the clamping mechanism comprises a rotatable first clamping arm and a second clamping arm, and the first clamping arm and the second clamping arm are both provided with semicircular arc clamping claws at one end close to the flask, and the first clamping arm and the second clamping arm rotate and approach each other, so that the two clamping claws are closed between the flask and the glass tube;

[0018] Preferably, the forming mechanism comprises a top block, a third electric push rod is connected to the lower side of the top block, a gas pipe and an oxygen pipe are also connected to the lower side of the top block, and a flame hole is opened on the side of the top block.

[0019] Preferably, the clamping mechanism further includes a first rotating shaft and a second rotating shaft, the first rotating shaft is connected to the first clamping arm, and the second rotating shaft is connected to the second clamping arm.

[0020] Preferably, the first rotating shaft and the second rotating shaft are rotatably connected with a rotating seat.

[0021] Preferably, one end of the first rotating shaft away from the first clamping arm is connected to the first gear, and one end of the second rotating shaft away from the second clamping arm is connected to the second gear, and the first gear is meshed with the second gear.

[0022] Preferably, a first positioning bolt is connected to the side of the first rotating shaft, a second positioning bolt is connected to the side of the second rotating shaft, and a spring is connected between the first positioning bolt and the second positioning bolt.

[0023] Preferably, a pull rod is connected to the side of the first rotating shaft, a pull rope is tied to the pull rod, and a winding machine is connected to the end of the pull rope away from the pull rod.

[0024] Compared with the prior art, the advantages and positive effects of the present invention are:

[0025] 1. The present invention provides a triangular conical flask and a volumetric flask with a small upper part and a large lower part, and provides a complete flask manufacturing process, and improves the existing flask production equipment to facilitate the production of flasks.

[0026] 2. The operation steps of the present invention are simple and the improvement of the equipment involved is easy to implement. Therefore, the flask production process disclosed in the present invention has a low application threshold and is more suitable for popularization and use.

[0027] 3. The present invention is provided with a first electric push rod to push the lower sleeve to rotate, so as to loosen the glass tube and the glass tube descends. The second electric push rod controls the height of the glass tube, thereby realizing automatic unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the structure of the production equipment of the flask;

[0030] Figure 2 for Figure 1 A magnified view of the structure at center;

[0031] Figure 3 for Figure 1 A magnified view of the structure at B in the middle;

[0032] Figure 4 It is a structural schematic diagram of another perspective of the flask production equipment;

[0033] Figure 5 It is a schematic diagram of the structure of two clamping jaws;

[0034] Figure 6 It is a schematic diagram of the structure of a short-necked triangular conical flask.

[0035] In the above figures, 1. glass tube; 2. flask; 3. base; 31. flame nozzle; 32. first electric push rod; 33. second electric push rod; 4. main body; 5. processing station; 51. lower ring; 6. bottom sealing mechanism; 61. roller; 7. molding mechanism; 71. mold; 72. top block; 73. third electric push rod; 8. clamping mechanism; 81. first clamping arm; 82. first gear; 83. rotating seat; 84. first positioning bolt; 85. first rotating shaft; 86. pull rod; 87. pull rope; 88. spring; 89. winding machine; 9. conveyor belt. DETAILED DESCRIPTION

[0036] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0037] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0038] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, the production process of the flask includes the following production steps:

[0039] S1: Prepare a thin and long glass tube, which is hollow and has two ends connected;

[0040] S2: Weigh and check the glass tubes, and screen out those that are underweight or overweight;

[0041] S3: Manually install qualified glass tubes one by one into the processing station of the flask production equipment. When installing the glass tubes, the flask production equipment operates and drives the installed glass tubes to revolve, and also drives the glass tubes to rotate;

[0042] S4: The flame nozzle of the flask production equipment heats the bottom end of the glass tube;

[0043] S5: The bottom sealing mechanism of the flask production equipment seals the bottom end of the glass tube;

[0044] S6: Since the glass tube is placed vertically, 220mm / 350mm is measured upward from the bottom of the glass tube. This part is heated by the flame nozzle. This length is slightly longer than the commonly used height of short-necked flasks and long-necked flasks.

[0045] S7: The forming mechanism of the flask production equipment squeezes the heated part of the glass tube. The squeezing is divided into the extrusion of the mold from both sides and the extrusion of the top block from the bottom to the top, and finally the flask is formed. Different molds are selected according to whether the flask is a triangular cone flask or a volumetric flask. The key is that the top block squeezes from the bottom to the top, so that the bottom end of the glass tube is deformed upward. After the mold is squeezed and closed, the upper and lower ends are connected, so that the bottom end of the glass tube is deformed upward and filled into the lower part of the mold. During the deformation process, the diameter of the bottom end of the glass tube increases, thereby forming a flask with an overall shape characteristic of being small at the top and large at the bottom;

[0046] S8: The flask production equipment is provided with a clamping mechanism, and the flame nozzle heats the connection between the flask and the upper glass tube. When the flask and the glass tube revolve around the working area of ​​the clamping mechanism, the clamping mechanism starts and reduces the diameter of the connection between the flask and the glass tube. Then, the flask production equipment drives the flask to revolve, and since the clamping mechanism is not loosened, the flask and the glass tube are separated.

[0047] S9: After step S8, manually observe the remaining length of the glass tube. If the length of a glass tube is not enough to produce a new flask, take out the glass tube and perform step S3 and subsequent steps again. If the length of the glass tube is enough to produce a new flask, do not return to step S3 and proceed to the next step.

[0048] S10: Since the flask is removed in step S8, the newly formed bottom end of the glass tube becomes higher, and the glass tube needs to be lowered: the telescopic end of the first electric push rod and the movable end of the second electric push rod rise, the first electric push rod pushes the clamping mechanism on the processing station to release the glass tube, the glass tube falls and lands on the movable end of the second electric push rod, the movable end of the second electric push rod falls and drives the glass tube to continue to fall to a predetermined height, then the telescopic end of the first electric push rod falls, so that the clamping mechanism re-clamps the glass tube, then the movable end of the second electric push rod falls again to stay away from the glass tube, and finally the flask production equipment drives the glass tube to revolve, and executes step S4 and subsequent steps;

[0049] S11: After the flask is separated from the glass tube in step S8, it falls onto the conveyor belt 9. A fan is provided above the conveyor belt 9 to cool down the flask being conveyed. Finally, the conveyed flask is manually placed on an electronic scale for weighing and verification, and inferior products are eliminated and qualified products are retained.

[0050] The flask production equipment is used to implement the above-mentioned flask production process. The existing flask production equipment includes a base 3 and a main body 4 rotating on the base 3. The main body 4 is divided into an upper and lower part. A plurality of flame nozzles 31 are arranged on the base 3. The flame nozzles 31 are used to heat a plurality of glass tubes 1. The flame nozzles 31 are arranged at different heights according to different heating positions. A plurality of processing stations 5 arranged in a circular shape are arranged on the main body. The processing stations 5 can rotate, so that the processing stations 5 can both revolve under the drive of the main body 4 and rotate, and a clamping mechanism 8 for clamping the glass tube is arranged on the processing station 5. In addition, the bottom sealing mechanism 6 and the forming mechanism 7 are arranged according to the production process. The two rollers 61 of the bottom sealing mechanism 6 squeeze from both sides of the bottom end of the glass tube 1 to the middle to seal the bottom end of the glass tube 1. Since the height of the bottom sealing mechanism 6 is constant, the height of the bottom end of the newly formed glass tube 1 is consistent. The bottom sealing mechanism 6 squeezes out excess glass tube material. This mechanism is for the manual placement of the glass tube in step S3, and there is no need to worry about the height accuracy when the glass tube is placed manually. Since the above are all prior art, the present invention will not be described in detail here.

[0051] The production equipment of flask is used to implement the above-mentioned flask production process. The existing flask production equipment includes a base 3 and a main body 4 rotating on the base 3. The base 3 is provided with a plurality of flame nozzles, which are used to heat the glass tube 1. The flame nozzles are arranged at different heights according to different heating parts. The main body 4 is provided with a plurality of processing stations 5 arranged in a circular shape, which can rotate, so that the processing station 5 can both revolve around the main body 4 and rotate, and a clamping mechanism for clamping the glass tube 1 is provided on the processing station 5. In addition, it also includes a bottom sealing mechanism 6 and a forming mechanism 7 arranged according to the production process. The two rollers 61 of the bottom sealing mechanism 6 squeeze from both sides of the bottom end of the glass tube 1 to the middle to block the bottom end of the glass tube 1. Since the height of the bottom sealing mechanism 6 is constant, the height of the bottom end of the newly formed glass tube 1 is consistent. The bottom sealing mechanism 6 squeezes out excess glass tube 1 material. This mechanism is aimed at the manual placement of the glass tube 1 in step S3, and there is no need to worry about the height accuracy when the glass tube 1 is manually placed. Since the above are all prior arts, the present invention will not be described excessively here.

[0052] In order to produce flasks, the present invention further comprises a clamping mechanism 8, a first electric push rod 32, and a second electric push rod 33 arranged in order of production process. In the prior art, the clamping mechanism comprises a lower collar 51 which can only be rotated up and down, and the lower collar 51 is rotated up and down manually using a tool. When the collar is rotated upward, the clamping mechanism releases the glass tube 1; when the collar is rotated downward (naturally hanging down due to gravity), the glass tube 1 is clamped. Therefore, the first electric push rod 32 in the present invention is actually used to push the lower collar 51 in the clamping mechanism to rotate.

[0053] The clamping mechanism 8 includes a rotatable first clamping arm 81 and a second clamping arm. The first clamping arm 81 and the second clamping arm are both provided with semicircular clamping claws at one end close to the flask 2. The first clamping arm 81 and the second clamping arm rotate and approach each other, so that the two clamping claws are closed between the flask 2 and the glass tube 1. Corresponding to step S8, the clamping mechanism 8 is started and the diameter of the connection between the flask 2 and the glass tube 1 is reduced, that is, the circle formed by the closing of the two clamping claws is smaller than the original diameter of the connection, or smaller than the diameter of the flask mouth, so that the flask 2 is easier to separate from the glass tube 1. Then, the flask production equipment drives the flask to revolve. Since the two clamping claws are not separated, the flask is separated from the glass tube 1.

[0054] The molding mechanism 7 includes a top block 72, a third electric push rod 73 is connected to the lower side of the top block 72, a gas pipe and an oxygen pipe are also connected to the lower side of the top block 72, and a flame hole is opened on the side of the top block 72. The top block 72 can be regarded as a flame nozzle, but different from other flame nozzles, the flame sprayed by the top block 72 does not directly contact the flask, but is used to heat the top block 72 itself. After the high-temperature top block 72 contacts the bottom of the glass tube 1, it remains softened to facilitate step S7: the top block 72 is squeezed from bottom to top to deform the bottom end of the glass tube 1 upward. The top block 72 in the present invention needs to be arranged below the mold 71. The design of the mold 71 belongs to the prior art. The mold 71 of the present invention is only different in the shape of the grooves designed for different bottle shapes, so the present invention will not be described in detail.

[0055] In order to achieve the above-mentioned closing of the two clamping jaws.

[0056] Furthermore, the clamping mechanism 8 also includes a first rotating shaft 85 and a second rotating shaft. The first rotating shaft 85 is connected to the first clamping arm 81 , and the second rotating shaft is connected to the second clamping arm.

[0057] Furthermore, the first rotating shaft 85 and the second rotating shaft are rotatably connected with a rotating seat 83 .

[0058] Furthermore, one end of the first rotating shaft 85 away from the first clamping arm 81 is connected to the first gear 82 , and one end of the second rotating shaft away from the second clamping arm is connected to the second gear, and the first gear 82 is meshed with the second gear.

[0059] Furthermore, a first positioning bolt 84 is connected to the side of the first rotating shaft 85 , a second positioning bolt is connected to the side of the second rotating shaft, and a spring 88 is connected between the first positioning bolt 84 and the second positioning bolt.

[0060] Furthermore, a pull rod 86 is connected to the side of the first rotating shaft 85 , a pull rope 87 is tied to the pull rod 86 , and a winding machine 89 is connected to one end of the pull rope 87 away from the pull rod 86 .

[0061] Specifically, the wire reel 89 reels the pull rope 87, stretching the spring 88 to rotate the first shaft 85 and the second shaft, thereby separating the two jaws. When the wire reel 89 releases the pull rope 87, the spring 88 pulls the first shaft 85 and the second shaft to reset, thereby closing the two jaws.

[0062] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A flask production process, implemented based on a flask production device, characterized in that: The production steps include: S1: Prepare a thin and long glass tube, which is hollow and has two ends connected; S2: Weigh and check the glass tubes, and screen out those that are underweight or overweight; S3: Manually install qualified glass tubes one by one into the processing station of the flask production equipment. When installing the glass tubes, the flask production equipment operates and drives the installed glass tubes to revolve, and also drives the glass tubes to rotate; S4: The flame nozzle of the flask production equipment heats the bottom end of the glass tube; S5: The bottom sealing mechanism of the flask production equipment seals the bottom end of the glass tube; S6: Since the glass tube is placed vertically, 220mm / 350mm is measured upward from the bottom of the glass tube, and this part is heated by the flame nozzle; S7: The forming mechanism of the flask production equipment squeezes the heated part of the glass tube. The extrusion is divided into two parts: the mold squeezes from both sides and the top block squeezes from bottom to top, and finally the flask is formed; S8: The flask production equipment is provided with a clamping mechanism, and the flame nozzle heats the connection between the flask and the upper glass tube. When the flask and the glass tube revolve around the working area of ​​the clamping mechanism, the clamping mechanism starts and reduces the diameter of the connection between the flask and the glass tube. Then, the flask production equipment drives the flask to revolve, and since the clamping mechanism is not loosened, the flask and the glass tube are separated. S9: After step S8, manually observe the remaining length of the glass tube. If the length of a glass tube is not enough to produce a new flask, take out the glass tube and perform step S3 and subsequent steps again. If the length of the glass tube is enough to produce a new flask, do not return to step S3 and proceed to the next step. S10: the telescopic end of the first electric push rod and the movable end of the second electric push rod rise, the first electric push rod pushes the clamping mechanism on the processing station to release the glass tube, the glass tube falls and lands on the movable end of the second electric push rod, the movable end of the second electric push rod descends and drives the glass tube to continue to descend to a predetermined height, then the telescopic end of the first electric push rod descends, causing the clamping mechanism to re-clamp the glass tube, then the movable end of the second electric push rod descends again to stay away from the glass tube, finally the flask production equipment drives the glass tube to revolve, and step S4 and subsequent steps are executed; S11: After the flask is separated from the glass tube in step S8, it falls onto the conveyor belt. A fan is provided above the conveyor belt to cool down the flask being conveyed. Finally, the conveyed flask is manually placed on an electronic scale for weighing and verification.

2. A flask production device for implementing the flask production process of claim 1, comprising a base and a main body rotating on the base, the base being provided with a plurality of flame nozzles, the main body being provided with a plurality of processing stations arranged in a circular shape, the processing stations being rotatable, and the processing stations being provided with a clamping mechanism for clamping a glass tube, and further comprising a bottom sealing mechanism and a molding mechanism arranged in sequence according to the production process, characterized in that: It also includes a clamping mechanism, a first electric push rod, and a second electric push rod arranged in order of production process; The clamping mechanism comprises a rotatable first clamping arm and a second clamping arm, and the first clamping arm and the second clamping arm are both provided with semicircular arc clamping claws at one end close to the flask. The first clamping arm and the second clamping arm rotate and approach each other, so that the two clamping claws are closed between the flask and the glass tube; The forming mechanism comprises a top block, a third electric push rod is connected to the lower side of the top block, a gas pipe and an oxygen pipe are also connected to the lower side of the top block, and a flame hole is opened on the side of the top block.

3. The flask production equipment according to claim 2, characterized in that: The clamping mechanism further includes a first rotating shaft and a second rotating shaft, wherein the first rotating shaft is connected to the first clamping arm, and the second rotating shaft is connected to the second clamping arm.

4. The flask production equipment according to claim 3, characterized in that: The first rotating shaft and the second rotating shaft are rotatably connected with a rotating seat.

5. The flask production equipment according to claim 4, characterized in that: One end of the first rotating shaft away from the first clamping arm is connected to the first gear, and one end of the second rotating shaft away from the second clamping arm is connected to the second gear, and the first gear is meshed with the second gear.

6. The flask production equipment according to claim 5, characterized in that: The side surface of the first rotating shaft is also connected to a first positioning bolt, the side surface of the second rotating shaft is also connected to a second positioning bolt, and a spring is connected between the first positioning bolt and the second positioning bolt.

7. The flask production equipment according to claim 6, characterized in that: A pull rod is also connected to the side of the first rotating shaft, a pull rope is tied to the pull rod, and a winding machine is connected to one end of the pull rope away from the pull rod.

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