CN109955462B - Bottle blowing machine - Google Patents
Bottle blowing machine Download PDFInfo
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- CN109955462B CN109955462B CN201910372512.3A CN201910372512A CN109955462B CN 109955462 B CN109955462 B CN 109955462B CN 201910372512 A CN201910372512 A CN 201910372512A CN 109955462 B CN109955462 B CN 109955462B
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- embryo
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- 238000007664 blowing Methods 0.000 title claims abstract description 40
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 106
- 230000005540 biological transmission Effects 0.000 claims abstract description 92
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 210000002257 embryonic structure Anatomy 0.000 claims description 4
- 238000000071 blow moulding Methods 0.000 abstract description 3
- 238000009415 formwork Methods 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4236—Drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/68—Ovens specially adapted for heating preforms or parisons
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention provides a bottle blowing machine, relates to the field of blow molding equipment, and aims to solve the technical problem of high equipment cost of the existing bottle blowing machine. The bottle blowing machine comprises a bottle embryo heating mechanism, a frame, a bottle blowing mechanism, a die mechanism and two clamping devices, wherein the bottle embryo heating mechanism comprises a transmission mechanism and a heating furnace, and the transmission mechanism comprises a transmission driving device, a first transmission device, a second transmission device and a bottle embryo positioning device; the bottle embryo positioning device clamps the bottle embryo to move in the heating furnace along with the first transmission device, the second transmission device is arranged along the movement track of the bottle embryo and can be in contact with the moving bottle embryo, and the material or structure of the contact area of the second transmission device and the bottle embryo can drive the bottle embryo to rotate through friction force. The invention utilizes the friction force of the second transmission device to drive the bottle embryo to rotate, has simple structure and effectively reduces the cost of various aspects of equipment.
Description
Technical Field
The invention relates to the field of blow molding equipment, in particular to a bottle blowing machine.
Background
The bottle blowing machine is a device for manufacturing plastic particles into a hollow container through a blow molding process, and most bottle blowing machines are also two-step bottle blowing machines, namely, plastic raw materials are firstly manufactured into bottle blanks, and then blowing is carried out. The plastic raw material is thermoplastic resin, the tubular plastic bottle blank obtained by extrusion or injection molding of the plastic raw material is put into a mold opening mold when being hot (or heated to a softened state), compressed air is immediately introduced into a parison after mold closing, the bottle blank is inflated and tightly attached to the inner wall of the mold, and various hollow products are obtained after cooling and demolding. Therefore, the heating process of the bottle embryo and the opening and closing and mold locking mechanisms of the mold are key factors influencing the bottle blowing quality and efficiency.
The prior heating process of the bottle embryo is that the bottle embryo enters a heating furnace after passing through an embryo arranging mechanism, passes through an embryo passage and an embryo feeding mechanism, softens the bottle embryo in the furnace in an infrared heating mode, reaches the condition of blowing the bottle, and then is sent into a die for blowing the bottle; because the infrared heating has directionality, when the bottle embryo revolves in the furnace, the bottle embryo also rotates to ensure the heating uniformity of the bottle embryo; each bottle embryo of the existing bottle embryo heating furnace is provided with an independent heating head, each heating head is provided with a self-rotating chain wheel, and the bottle embryo enters the furnace and is provided with an embryo pressing cam mechanism so that the heating head can be pressed into a bottle opening; therefore, the existing bottle embryo heating furnace has complex mechanism, high part precision requirement and high mechanism manufacturing, using and maintaining costs.
The traditional mold opening and closing mechanism is characterized in that a bearing moves along a mold opening and closing guide rail, a single arm drives molds on two sides to open and close, a mold locking mechanism can be started after mold closing, and the mold opening and closing mechanism is opened first after bottle blowing is finished, so that the bearing of a mold opening and closing connecting rod of the traditional mold opening and closing mechanism is completely deviated from the center, and the force arm is unbalanced in stress and has large mold opening and closing stroke; meanwhile, the mode locking mechanism also occupies cycle time, further reduces working efficiency and reduces overall productivity; in addition, the existing mold opening and closing mechanism and the existing mold locking mechanism are complex in structure and easy to break down, so that shutdown is caused.
Disclosure of Invention
The invention aims to provide a bottle blowing machine so as to solve the technical problem of high equipment cost of the existing bottle blowing machine. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions: a bottle blowing machine comprising:
The bottle embryo heating mechanism comprises a transmission mechanism and a heating furnace, wherein the transmission mechanism comprises a transmission driving device, a first transmission device, a second transmission device and a bottle embryo positioning device; the bottle embryo positioning device clamps the bottle embryo to move in the heating furnace along with the first transmission device, the second transmission device is arranged along the movement track of the bottle embryo and can be in contact with the moving bottle embryo, and the material or structure of the contact area of the second transmission device and the bottle embryo can drive the bottle embryo to rotate through friction force;
the bottle blowing mechanism and the die mechanism comprise a frame, and the bottle blowing mechanism and the die mechanism which are positioned on the frame, when the die shell of the die mechanism is in a die closing state, the bottle blowing mechanism can blow a bottle blank positioned in the die shell;
Two clamping devices, wherein one of the two clamping devices is a blank feeding clamping device, and the other clamping device is a bottle taking clamping device; the heated bottle blanks are sent into the mould shell in the mould opening state from the transmission mechanism through the blank sending clamping hand, and the blown bottle can be taken out from the mould shell in the mould opening state through the bottle taking clamping hand.
Preferably, the bottle embryo positioning device comprises a movable part and a fixed part, wherein the movable part is fixedly connected with the first transmission part and can move along with the first transmission part, and the movable part is provided with a gripping part matched with the outer diameter of the bottle embryo body; the fixed piece is arranged along the motion track of the movable piece, and a crack matched with the thickness of the bottle embryo supporting ring is formed on one side of the movable piece; when the bottle embryo moves along with the movable piece, the bottle embryo supporting ring is positioned in the crack and is contacted with the second transmission device;
The second transmission device is a cold water pipe for cooling the head of the bottle embryo, the cold water pipe is fixedly connected with the fixing piece, and at least the material or structure of the contact area of the cold water pipe and the bottle embryo can drive the bottle embryo to rotate through friction.
Preferably, the transmission driving device comprises a driving sprocket and a driven sprocket, the first transmission device is a chain, and the chain can rotate under the drive of the driving sprocket; the novel bottle blank bottle is characterized in that a plurality of first rollers are arranged above the chain, a plurality of second rollers are arranged below the chain, one of the first rollers and the second rollers rotates along the central axis of the horizontal direction, the other one of the first rollers and the second rollers rotates along the central axis of the vertical direction, a first guide rail and a second guide rail are further arranged on the first transmission device, the first rollers can be located in the first guide rail to rotate when moving along with the chain, the second rollers can be located in the second guide rail to rotate when moving along with the chain, and the first guide rail and the second guide rail can both prevent bottle blanks from moving along the width direction of the guide rail.
Preferably, the transmission mechanism further comprises a embryo passage, an ion wind wheel is arranged on the embryo passage, the bottle embryos are sequentially arranged on the embryo passage, the size of blades of the ion wind wheel is matched with the size of a bottle mouth of the bottle embryo, the ion wind wheel can drive the bottle embryo to move towards the bottle embryo positioning device, and an air outlet is formed in any blade.
Preferably, the frame comprises a fixed part and a rotating part, and the rotating part can rotate relative to the fixed part;
The mould mechanism comprises a mould shell, a mould opening and closing mechanism and a mould locking mechanism, wherein the mould shell is connected with the rotating part and can rotate along with the rotating part; the mould shell comprises two half mould shells, the rear ends of the two half mould shells are provided with rotation centers, and in the process that the mould shell rotates along with the rotating part, the mould opening and closing mechanism can drive the two half mould shells to rotate around the rotation centers at the same time, so that the front ends of the two half mould shells are close to each other to be clamped or far away from each other to be clamped; when the mould shell is in a mould closing state, the mould locking device can simultaneously clamp the mould locking corresponding structures of the two half mould shells; when the mold locking device is separated from the mold locking corresponding structure, the mold shell can be in a mold opening state.
Preferably, the mold opening and closing mechanism comprises a cam mechanism and two groups of driving components, the cam mechanism comprises a bearing and a bearing track, the bearing track is arranged on the fixing part, the front end of the driving component is fixedly connected with the rear end of the half mold shell, the rear end of the driving component is rotationally connected with the bearing, the bearing comprises a state close to the mold shell and a state far away from the mold shell when rotating in the bearing track, and the bearing enables the driving component to drive the half mold shell to rotate at the rotation center through a motion close to or far away from the mold shell so as to enable the front ends of the two half mold shells to be close to each other to be clamped or far away from each other.
Preferably, the driving assembly is a link mechanism, the link mechanism comprises a first link and a second link, the front end of the first link is fixedly connected with the rear end of the half-mold shell, and the rear end of the first link is rotationally connected with the front end of the second link; the rear end of the second connecting rod is rotationally connected with the bearing, and when the bearing moves close to the mould shell, the bearing can push the front end of the half mould shell to be close to each other through the second connecting rod and the first connecting rod; when the bearing moves away from the formwork, the bearing can pull the front end of the half formwork away from each other through the second connecting rod and the first connecting rod.
Preferably, the driving assembly is a gear-rack mechanism, the gear-rack mechanism comprises a gear and a rack which are meshed with each other, the gear is fixedly connected with the rear end of the half mould shell, the rear end of the rack is rotationally connected with the bearing, and when the bearing moves close to the mould shell, the bearing can drive the front end of the half mould shell to be far away from each other by pushing the rack; when the bearing moves away from the formwork, the bearing can enable the gear to drive the front ends of the half formworks to be close to each other by pulling the rack.
Preferably, the upper end of the mould shell is provided with a sealing boss, the sealing boss comprises a semi-sealing boss arranged on two semi-mould shells, the sealing boss is of a corresponding structure of the mould locking device, the mould locking device comprises a sealing piece, the sealing piece is arranged above the sealing boss and can rotate along with the rotating part, the fixing part is provided with a sealing guide rail, when the mould shell and the sealing piece simultaneously rotate along with the rotating part, the sealing piece is arranged in the sealing guide rail and rotates, the sealing guide rail comprises a low-position section and a high-position section, when the sealing piece is positioned in the low-position section, the sealing piece can clamp the sealing boss, and when the sealing piece is positioned in the high-position section, the sealing piece is separated from the sealing boss.
Preferably, the lower extreme of mould shell is equipped with the back cover boss, and the back cover boss is including setting up two half back cover boss on the half mould shell, the back cover boss is for the mode locking corresponds the structure, the mode locking device includes the back cover piece, the back cover piece is located back cover boss below, and can rotate along with rotating part, be equipped with the back cover guide rail in the fixed part, when the mould shell with the back cover piece rotates along with rotating part, the back cover piece is located back cover guide rail internal rotation, just the back cover guide rail includes low level section and high level section, works as the back cover piece is in when high level section, the back cover piece can block the back cover boss, works as the back cover piece is in when low level section, the back cover piece breaks away from the back cover boss.
Preferably, the rotating part of the frame is connected with a frame gear, the hand clamping device is connected with a hand clamping gear, and the frame gear is meshed and driven with the two hand clamping gears at the same time; the hand clamping device comprises a swinging part and a telescopic part, wherein the swinging part is connected with the swinging cam mechanism, and the telescopic part is connected with the telescopic cam mechanism; and a compression spring is connected between the telescopic part and the swinging part.
The invention has the beneficial effects that: the bottle embryo positioning device is used for clamping the bottle embryo, the first transmission device is used for driving the bottle embryo to move in the heating furnace, and the friction force of the second transmission device is used for driving the moving bottle embryo to rotate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of a bottle blowing machine in example 1;
FIG. 2 is a schematic view of the transmission mechanism of embodiment 1 at an angle;
FIG. 3 is an enlarged partial view of portion D of FIG. 2;
FIG. 4 is a schematic view of the transmission mechanism of embodiment 1 at another angle;
fig. 5 is a partial enlarged view of the portion F in fig. 4;
fig. 6 is a schematic structural view of the connection state of the movable member and the chain in embodiment 1;
FIG. 7 is a schematic structural view of an ion wind wheel in embodiment 1;
FIG. 8 is a schematic view showing the structure of a bottle blowing mechanism and a mold mechanism in example 1;
FIG. 9 is a schematic view showing the structure of the front face of the mold shell in example 1;
FIG. 10 is a schematic view showing the structure of the side of the mold shell in example 1;
FIG. 11 is a schematic view showing the structure of the top surface of the formwork in the embodiment 1;
Fig. 12 is a schematic diagram showing a mold opening/closing state of a mold locking mechanism in example 1;
fig. 13 is a schematic diagram showing the structure of the mold opening/closing mechanism in example 1;
fig. 14 is a schematic structural view of a hand clamping device in embodiment 1;
FIG. 15 is a schematic view of the structure of a track plate in the hand grip device of embodiment 1;
Fig. 16 is a schematic structural view of the driving assembly in embodiment 2.
Wherein: 11. a rack gear; 12. a middle plate; 13. an upper plate; 14. a bearing track; 15. sealing the guide rail; 16. a bottom sealing guide rail;
2. A half mould shell; 21. a fixed shaft; 22. a semi-sealing boss; 221. a sealing part; 222. sealing rollers; 23. a half-back cover boss; 231. sealing the bottom; 232. a bottom sealing roller; 24. a bearing; 251. a first connecting rod; 252. a second connecting rod; 261. a gear; 262. a rack;
31. A hand clamping gear; 32. a transmission rod; 321. a turntable; 33. a hand clamping device; 331. a telescopic bearing; 332. a swing bearing; 333. a telescopic part; 334. a swinging part; 34. a track disc; 341. a telescopic bearing movement track; 342. a swing bearing movement track;
4. Embryo way; 41. an ion wind wheel; 411. a blade; 412. an air outlet;
51. a movable member; 511. a transverse portion; 512. a vertical portion; 513. a connection part; 514. a first rotating shaft; 515. a second rotating shaft; 52. a fixing member; 521. a crack; 53. a cold water pipe;
61. A drive sprocket; 611. a driving shaft; 62. a driven sprocket; 621. a driven shaft; 63. a chain; 631. a first roller; 632. a second roller; 633. a second guide rail;
7. A bottle embryo; 71 bottle embryo body; 72. and a bottle embryo supporting ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Example 1
As shown in fig. 1, the present embodiment provides a bottle blowing machine including: a bottle preform heating mechanism, a frame, a bottle blowing mechanism, a mold mechanism and two hand clamping devices 33; the bottle embryo heating mechanism comprises a transmission mechanism and a heating furnace, wherein the transmission mechanism comprises a transmission driving device, a first transmission device, a second transmission device and a bottle embryo positioning device; the bottle embryo positioning device clamps the bottle embryo to move in the heating furnace along with the first transmission device, the second transmission device is arranged along the movement track of the bottle embryo and can be contacted with the moving bottle embryo, and the material or structure of the contact area of the second transmission device and the bottle embryo 7 can drive the bottle embryo 7 to rotate through friction force;
the bottle blowing mechanism and the die mechanism are positioned on the frame, and when the die shell of the die mechanism is in a die closing state, the bottle blowing mechanism can blow a bottle blank positioned in the die shell;
two gripper devices 33, one of which is a blank feeding gripper and the other is a bottle taking gripper; the heated bottle blanks are sent into the mould shell in the mould opening state from the transmission mechanism through the blank sending clamping hand, and the blown bottle can be taken out from the mould shell in the mould opening state through the bottle taking clamping hand.
As shown in fig. 2-7, the transmission mechanism in this embodiment includes a blank path 4, a transmission driving device, a first transmission device, a second transmission device and a bottle blank positioning device; the transmission driving device, the first transmission device, the second transmission device and the bottle embryo positioning device are arranged in the heating furnace, the bottle embryo 7 is conveyed to the bottle embryo positioning device through the embryo channel 4, then the uniform heating of the bottle embryo in the heating furnace is realized by utilizing the movement of the first transmission device, the heating furnace is an existing product, the installation mode, the installation position and the like of the transmission mechanism in the heating furnace in the embodiment are selected according to the actual structure and the size of the product, and the embodiment is not described in detail for simplifying the description.
As shown in fig. 2, 5 and 6, in the present embodiment, the preform positioning device includes a movable member 51 and a fixed member 52, where the movable member 51 is fixedly connected with the first transmission portion and includes a gripping portion matching with an outer diameter of the preform body 71; the fixed piece 52 is arranged along the movement track of the movable piece 51, and a crack 521 matched with the thickness of the bottle embryo supporting ring 72 is arranged on one side facing the movable piece 51; the bottle embryo support ring 72 is an annular bulge on the bottle embryo 7 at a position close to the head of the bottle embryo 7, and according to the structure of the existing bottle embryo support ring 72, the embodiment utilizes a movable part capable of grasping the bottle embryo body 71 and a fixed part capable of clamping and fixing the bottle embryo support ring 72, so that the bottle embryo 7 can stably move along a set movement track in the movement process, the bottle embryo 7 movement heating process is orderly and efficiently performed, and compared with the structure of a heating head and a blank pressing cam mechanism used in the existing bottle embryo 7 heating process, the structure is simpler, and therefore the maintenance and use costs are lower.
In this embodiment, the transmission driving device includes a driving sprocket 61 and a driven sprocket 62, the first transmission device is a chain 63, the chain 63 can rotate under the driving of the driving sprocket 61, and the driving sprocket 61 can drive the driving shaft 611 through a motor (not shown) to further drive the driving sprocket 61 to rotate; the driven sprocket 62 and the driven shaft 621 mainly function to support the chain 63, and passively rotate; of course, the first transmission device is used for enabling the bottle blanks 7 to orderly run from furnace in to furnace out in the heating furnace, so that other existing transmission modes such as belt transmission, rail transmission and the like can be adopted.
The second transmission device is arranged to enable the bottle embryo 7 to rotate in the heating furnace, and simultaneously can realize autorotation, so that the bottle embryo 7 can be heated by infrared rays in a specific direction in the heating furnace more uniformly, the second transmission device in the embodiment is contacted with the bottle embryo 7 in the process of moving the bottle embryo 7, and the bottle embryo 7 rotates by friction force, so that the second transmission device is arranged along the moving track of the movable piece 51, namely along the moving track of the bottle embryo 7, and a part of area of the bottle embryo 7 always keeps contact with one side of the second transmission device facing the bottle embryo 7 in the range of the second transmission device, so that the bottle embryo 7 can continuously rotate in the range of the second transmission device; the sufficient friction force can be realized by adjusting the pressure between the bottle embryo 7 and the bottle embryo in the movement process and the friction coefficient between the bottle embryo 7 and the area where the second transmission device is in contact with each other, so that the bottle embryo 7 rotates; in the case of a fixed contact pressure between the bottle blank 7 and the second transmission device, a sufficient friction force can be obtained by increasing the friction coefficient between the bottle blank 7 and the second transmission device, and the friction coefficient can be increased by selecting a material with a larger friction coefficient to process the second transmission device, or by arranging structures capable of increasing the friction coefficient on the second transmission device, for example, arranging various textures on the surface of the second transmission device to enable the surface of the second transmission device to be rough.
In general, in the heating process of the bottle blank 7, the bottle mouth position of the head of the bottle blank 7 needs to be kept cool, so that the cold water pipe 53 is arranged at the position corresponding to the head of the bottle blank 7, cooling water circulates in the bottle blank, the cold water pipe 53 is processed by using the structure of the cold water pipe 53 and selecting materials with larger friction coefficient, so that the cold water pipe 53 can drive the bottle blank 7 to rotate by using friction force while cooling the head of the bottle blank 7, namely, the bottle blank 7 can rotate under the condition that no additional structure is added, and compared with the rotating chain wheel used in the prior art, the structure is simpler and the cost is lower.
Because the second transmission device and the fixing piece 52 are arranged along the movement track of the bottle embryo 7, the second transmission device and the fixing piece 52 can be fixedly connected, so that the whole structure is more stable.
For convenience of processing, the fixing member 52 includes two parallel fixing plates, and the distance between the two fixing plates can be adjusted according to the thickness of the bottle embryo support ring 72, for example, a cushion block can be arranged between the two fixing plates, and the cushion blocks with different heights can be selected to form the gap 521 capable of clamping the bottle embryo support ring 72. Of course, the fixing member 52 may also be an integrally formed structure, and a groove-shaped slit 521 capable of clamping the bottle embryo support ring 72 may be formed along the movement track of the bottle embryo 7.
For convenient connection, the movable member 51 includes a transverse portion 511 and a vertical portion 512 which are vertically connected, the vertical portion 512 is fixedly connected with the chain 63, the gripping portion is a semicircular groove structure of which the transverse portion 511 is close to one end of the fixed member 52, and since the bottle embryo support ring 72 protrudes from the bottle embryo body 71, the semicircular groove can hold up part of the bottle embryo support ring 72, and the other part of the bottle embryo support ring 72 is clamped by the clamping seam 521, so that the bottle embryo 7 can be stably supported by the fixed member 52 and the movable member 51. As shown in fig. 6, the joints of the transverse portion 511 and the chain 63 are respectively located at two sides of the vertical portion 512, and the movable members 51 are sequentially and continuously arranged on the chain 63, so that the bottle blanks 7 can be ensured to be transported compactly and orderly, the heating efficiency is improved, the number of the movable members 51 in the embodiment is consistent with that of the joints of the chain 63, that is, one movable member 51 is connected with one joint of the chain 63, and the gaps of the joints of the chain 63 correspond to the gaps of the adjacent movable members 51, so that the movable members 51 rotate along with the chain 63 more smoothly.
In order to increase the stability of the movement of the chain 63 and further prevent the bottle blank 7 from jumping back and forth and up and down, a plurality of first rollers 631 are arranged above the chain 63, a plurality of second rollers 632 are arranged below the chain 63, the first rollers 631 rotate along the first rotating shaft 514 in the vertical direction, the second rollers 632 rotate along the second shaft in the horizontal direction, as shown in fig. 6, on the vertical portion 512 of any movable member 51, connecting portions 513 are arranged above and below the joints of the chain 63, the connecting portions 513 above the chain wheels are provided with the first rotating shafts 514 in the vertical direction, and the first rotating shafts 514 can be used for mounting the first rollers 631; a second rotating shaft 515 in a horizontal direction is arranged on the connecting part 513 below the chain wheel, and the second rotating shaft 515 can be used for installing a second roller 632; as shown in fig. 5, corresponding to the first roller 631 and the second roller 632, a first guide rail and a second guide rail 633 are provided, the first roller 631 can rotate in the first guide rail when moving along with the chain 63, the second roller 632 can rotate in the second guide rail 633 when moving along with the chain 63, the first guide rail prevents the bottle blank 7 from jumping back and forth by limiting the front-back movement of the first roller 631, the second guide rail 633 can prevent the bottle blank 7 from jumping up and down by limiting the up-down movement of the second roller 632, the first guide rail is not shown in the figure, the length of the first guide rail is the same as the length of the second guide rail 633, and the guide rail groove is matched with the rotation direction of the first roller 631 for convenience of observation.
In order to improve the conveying stability of the bottle blanks 7, the ion wind wheel 41 is arranged on the embryo passage 4, in this embodiment, the embryo passage 4 is formed by two parallel rails, the bottle blank body 71 is clamped between the two rails, the rails support the bottle blank supporting ring 72 to hold up all the bottle blanks 7, all the bottle blanks 7 are sequentially arranged on the embryo passage 4, as shown in fig. 7, the size of the blade 411 of the ion wind wheel 41 is matched with the bottle mouth size of the bottle blanks 7, when the ion wind wheel 41 rotates, the blade 411 can be inserted into the bottle blank 7 mouth, the bottle blanks 7 can be stirred to move to the transmission device body by continuing to rotate, and then the next blade 411 can be stirred to move to the transmission device body continuously. As shown in fig. 3, the embryo passage 4 is in butt joint with the bottle embryo positioning device, and the distance between the two rails of the embryo passage 4 is consistent with the diameter of the semicircular groove of the movable piece 51; the bottle blanks 7 fed out from the blank path 4 can be fed into the semicircular grooves of the movable member 51 butted with the bottle blanks and then transferred backward as the chain 63 rotates.
As shown in fig. 4, the ion wind wheel 41 has a cavity, and the tip of any blade 411 is further provided with an air outlet 412, so that when the ion wind wheel 41 is connected with the ion blower, the ion wind can be blown out from the air outlet 412, and static electricity of the bottle embryo 7 and particles such as dust can be eliminated and blown out of the bottle embryo 7.
As shown in fig. 8-15, the bottle blowing mechanism and the mold mechanism of the present embodiment, the bottle blowing mechanism adopts an existing architecture in the present embodiment, and will not be described in detail here. The mold mechanism comprises a mold shell, a mold opening and closing mechanism and a mold locking mechanism, the frame comprises a fixed part and a rotating part, the rotating part can rotate relative to the fixed part, and the rotating power of the rotating part can be provided by the existing equipment such as a motor; specifically, the rotating part comprises a rack gear 11 positioned at the bottom, a middle plate 12 and an upper plate 13 positioned above the rack gear 11, the middle plate 12 and the upper plate 13 and the middle plate 12 and the rack gear 11 are fixedly connected through a supporting part, and the supporting part can be in a columnar or plate-shaped structure and can be connected and supported;
In this embodiment, the mold shell includes two half mold shells 2 and a mold opening and closing mechanism, the rear ends of the two half mold shells 2 have rotation centers, the rotation centers are respectively provided with a fixed shaft 21, the mold shells are connected between the middle plate 12 and the upper plate 13, the middle plate 12 and the upper plate 13 are provided with rotation shaft holes, the upper and lower ends of the fixed shaft 21 are respectively connected in the rotation shaft holes of the upper plate 13 and the middle plate 12, so that the mold shells can revolve around the frame along with the rotation of the upper plate 13 and the middle plate 12, and simultaneously, the two half mold shells 2 can also respectively realize mold opening and mold closing by rotating with their own rotation centers.
The mold opening and closing mechanism in the embodiment comprises a cam mechanism and two groups of driving components; the cam mechanism comprises a bearing 24 and a bearing track 14, the bearing track 14 being arranged on the fixed part; 9-11, the driving assembly is a link mechanism, the link mechanism comprises a first link 251 and a second link 252, the front end of the first link 251 is fixedly connected with the rear end of the half mould shell 2, and the rear end of the first link 251 is rotatably connected with the front end of the second link 252 (the connecting rotation center is a hinge point A in the figure); the rear end of the second connecting rod 252 is rotatably connected with the bearing 24 (the connecting rotation center is a hinging point B in the figure); when the mould shell rotates along with the rotating part, the bearing 24 can be driven to rotate in the guide rail; the bearing track 14 comprises a far die section for enabling the bearing 24 to be far away from the die shell and a near die section for enabling the bearing 24 to be close to the die shell, because the positions of the rotating shaft, the half die shell 2 and the first connecting rod 251 are relatively fixed, the first connecting rod 251 is rotationally connected with the second connecting rod 252, and the second connecting rod 252 is rotationally connected with the bearing 24, when the bearing 24 is close to the die shell, two hinge points A are mutually far away due to thrust, and at the moment, the front ends of the two half die shells 2 rotate in a rotation center graph point C so as to be mutually close to realize die assembly; similarly, when the bearing 24 moves away from the mold shell in the guide rail, the two hinge points a will approach each other due to the tensile force, and the front ends of the two half mold shells 2 rotate at the center point C of the rotation center diagram, so that the two half mold shells are far away from each other to realize mold opening. The mould shell is opened and closed through the relative intermediate position of the two half mould shells 2, the dynamic balance is better, and under the same opening and closing angle, the stroke of the structural bearing 24 of the embodiment can be reduced by half, so that the cam curvature is smaller, the cam is more stable, and the efficiency is higher.
As an alternative implementation manner, the mold locking corresponding structure in this embodiment includes a sealing boss at the upper end of the mold shell and a bottom sealing boss at the lower end of the mold shell, and correspondingly, the mold locking device includes a sealing member and a bottom sealing member, as shown in fig. 9-13.
The sealing boss comprises a semi-sealing boss 22 arranged on the two semi-mould shells 2, the sealing piece is arranged above the sealing boss and can rotate along with the upper plate 13, the sealing piece comprises a sealing part 221 and a sealing roller 222 which are connected with each other, a sealing guide rail 15 is arranged on the fixing part, the sealing guide rail 15 comprises a high-position section and a low-position section, when the mould shells and the sealing piece rotate along with the rotating part at the same time, the sealing piece is arranged in the sealing guide rail 15 to rotate, the sealing guide rail 15 comprises the low-position section and the high-position section, when the sealing roller 222 is arranged in the low-position section, the sealing part 221 is arranged at a lower position and can clamp the sealing boss to enable the mould shells to be in a mould locking state, and when the sealing roller 222 is arranged in the high-position section, the sealing part 221 is arranged at a higher position and is separated from the sealing boss to enable the mould shells to be in an unlocking state.
The back cover boss is including setting up the half back cover boss 23 on two half mould shell 2, and the back cover piece is located the back cover boss below, and can rotate along with medium plate 12, and the back cover piece includes bottom seal 231 and back cover gyro wheel 232, is equipped with back cover guide rail 16 on the fixed part, and when mould shell and bottom seal 231 rotated along with the rotation part, back cover gyro wheel 232 is located back cover guide rail 16 internal rotation, and back cover guide rail 16 includes low level section and high level section, and when bottom seal gyro wheel 232 was in high level section, the back cover piece can block the back cover boss, and when the back cover piece was in low level section, the back cover piece was broken away from the back cover boss.
The bearing rail 14, the sealing guide rail 15 and the back cover guide rail 16 all belong to fixed parts of the frame, the near die section of the bearing rail 14, the low level section of the sealing guide rail 15 and the high level section of the back cover guide rail 16 correspond to each other, at the moment, the die shell is in a die closing state, and the die locking device locks the die shell; the far mould section of the bearing track 14, the high section of the sealing guide rail 15 and the low section of the back cover guide rail 16 correspond to each other, and at this time, the mould shell is in a mould opening state, and the mould locking device is unlocked. Therefore, along with the rotation of the rotating part, the mold locking device unlocks when the mold shell is opened, and the mold locking device locks the mold when the mold shell is closed, so that the mold locking does not occupy extra time any more, the whole period is shortened, the working efficiency is improved, and the productivity is improved. Of course, the height change of the sealing piece and the bottom sealing piece is not limited to the arrangement of the high and low positions of the guide rail, and can be realized by a cylinder and other devices.
As shown in fig. 8, two hand clamping devices 33 in this embodiment are respectively a blank feeding hand and a bottle taking hand; the hand clamping device 33 is connected with the hand clamping gear 31, the hand clamping gear 31 is connected with the turntable 321 through the transmission rod 32, and the turntable 321 drives the hand clamping device 33 to rotate. The rack gear 11 is meshed and driven with the two hand clamping gears 31 at the same time; when the mould shell is in a mould opening state and rotates to a blank conveying position, the blank conveying clamp can convey the clamped bottle blanks into the mould shell; when the mould shell rotates to the bottle outlet position and is in the mould opening state, the bottle taking clamp can clamp the bottle to leave the mould shell.
Specifically, as shown in fig. 14 to 15, the hand clamping device 33 in the present embodiment includes a swinging portion 334, a telescopic portion 333, a swinging cam mechanism, a telescopic cam mechanism, and a track plate 34, the swinging portion 334 is connected to a swinging bearing 332 of the swinging cam mechanism, and the telescopic portion 333 is connected to a telescopic bearing 331 of the telescopic cam mechanism. The outer side track of the track disc 34 is a telescopic bearing moving track 341, the inner side track of the track disc 34 is a swinging bearing moving track 342, when the telescopic bearing 331 and the swinging bearing 332 move to the position shown in fig. 8 along with the rotation of the turntable 321, the telescopic bearing 331 can drive the telescopic part 333 to compress towards the direction of the swinging part 334, meanwhile, the swinging part 334 maintains a short swinging state under the action of the swinging bearing 332, the butt joint time of the hand clamping device 33 and the mould shell is prolonged, and the actions of blank feeding and bottle taking are completed; the hand clamping device 33 of the present embodiment uses a double cam structure, one cam mechanism realizes the hand clamping swing, and the other cam mechanism realizes the hand clamping expansion, so that the tracking of the hand clamping to the mold position can be realized, and the handover is smoother.
In order to reduce the failure, a compression spring is provided at a position where the telescopic part 333 is connected to the swinging part 334, which is not shown in the drawing. The compression spring is in compression state all the time, and in the compression process that the telescopic part 333 is close to the swing part 334, the compression spring is further compressed, and the compression spring replaces the tension spring in the traditional tong device 33, so that the spring can be prevented from being broken, and the influence of equipment faults on production efficiency is avoided.
Example 2
As shown in fig. 9, the present embodiment differs from embodiment 1 in that: the driving assembly is a rack-and-pinion mechanism, the rack-and-pinion mechanism comprises a gear 261 and a rack 262 which are meshed with each other, tooth surfaces of the two racks 262 are deviated, the gear 261 is fixedly connected with the rear ends of the half mould shells 2, in the embodiment, the rotation center of the gear 261 coincides with the rotation center of the rotating shaft, the rear ends of the racks 262 are rotationally connected with a bearing 24, when the bearing 24 moves close to the mould shell, the bearing 24 can push the racks 262 to move towards the mould shell, simultaneously the two gears 261 rotate in opposite directions, and the gear 261 drives the half mould shells 2 to rotate around the rotation center so that the front ends of the two half mould shells 2 are mutually far away; when the bearing 24 moves away from the formwork, the bearing 24 can change the rotation direction of both gears 261 by pulling the rack 262, and at this time, the front ends of the half formworks 2 are driven to approach each other.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. A bottle blowing machine, comprising:
The bottle embryo heating mechanism comprises a transmission mechanism and a heating furnace, wherein the transmission mechanism comprises a transmission driving device, a first transmission device, a second transmission device and a bottle embryo positioning device; the bottle embryo positioning device clamps the bottle embryo to move in the heating furnace along with the first transmission device, the second transmission device is arranged along the movement track of the bottle embryo and can be in contact with the moving bottle embryo, and the material or structure of the contact area of the second transmission device and the bottle embryo (7) can drive the bottle embryo (7) to rotate through friction force;
the bottle blowing mechanism and the die mechanism comprise a frame, and the bottle blowing mechanism and the die mechanism which are positioned on the frame, when the die shell of the die mechanism is in a die closing state, the bottle blowing mechanism can blow a bottle blank positioned in the die shell;
two clamping devices (33), wherein one of the two clamping devices (33) is an embryo feeding clamping hand, and the other clamping device is a bottle taking clamping hand; the heated bottle blanks are sent into the mould shell in the mould opening state from the transmission mechanism through the blank sending clamping hand, and the blow-molded bottle can be taken out from the mould shell in the mould opening state through the bottle taking clamping hand;
The bottle embryo positioning device comprises a movable piece (51) and a fixed piece (52), wherein the movable piece (51) is fixedly connected with the first transmission part and can move along with the first transmission part, and a gripping part matched with the outer diameter of the bottle embryo body (71) is arranged on the movable piece; the fixed piece (52) is arranged along the movement track of the movable piece (51), and a crack (521) matched with the thickness of the bottle embryo supporting ring (72) is formed on one side facing the movable piece (51); when the bottle embryo (7) moves along with the movable piece (51), the bottle embryo supporting ring (72) is positioned in the crack (521) and is contacted with the second transmission device;
the second transmission device is a cold water pipe (4) for cooling the head of the bottle blank (7), the cold water pipe (4) is fixedly connected with the fixing piece (52), and at least the material or structure of the contact area of the cold water pipe (4) and the bottle blank (7) can drive the bottle blank (7) to rotate through friction;
The bottle embryo positioning device is characterized in that the transmission mechanism further comprises an embryo passage (4), an ion wind wheel (41) is arranged on the embryo passage (4), bottle embryos (7) are sequentially arranged on the embryo passage (4), the size of a blade (411) of the ion wind wheel (41) is matched with the size of a bottle mouth of the bottle embryos (7), the ion wind wheel (41) can drive the bottle embryos (7) to move towards the bottle embryo positioning device, and an air outlet (412) is formed in any blade (411).
2. Bottle blowing machine according to claim 1, characterized in that said transmission driving means comprise a driving sprocket (61) and a driven sprocket (62), said first transmission means being a chain (63), said chain (63) being rotatable under the drive of said driving sprocket (61); the utility model discloses a bottle embryo (7) is characterized by comprising a chain (63), a plurality of first gyro wheels (631) are arranged above the chain (63), a plurality of second gyro wheels (632) are arranged below the chain (63), one of the first gyro wheels (631) and the second gyro wheels (632) rotates along the center axis of horizontal direction, the other of the first gyro wheels and the second gyro wheels rotates along the center axis of vertical direction, a first transmission device is further provided with a first guide rail and a second guide rail (633), the first gyro wheels (631) can be positioned to rotate in the first guide rail when moving along with the chain (63), the second gyro wheels (632) can be positioned to rotate in the second guide rail (633) when moving along with the chain (63), and the first guide rail and the second guide rail (633) can both prevent the bottle embryo (7) from moving along the width direction of the guide rail.
3. The bottle blowing machine of claim 1, wherein the frame includes a fixed portion and a rotating portion, the rotating portion being rotatable relative to the fixed portion;
The mould mechanism comprises a mould shell, a mould opening and closing mechanism and a mould locking device, wherein the mould shell is connected with the rotating part and can rotate along with the rotating part; the mould shell comprises two half mould shells (2), the rear ends of the two half mould shells (2) are provided with rotation centers, and in the process that the mould shell rotates along with the rotating part, the mould opening and closing mechanism can drive the two half mould shells (2) to rotate around the rotation centers at the same time so as to enable the front ends of the two half mould shells (2) to be close to each other or far away from each other; when the mould shell is in a mould closing state, the mould locking device can simultaneously lock the mould locking corresponding structures of the two half mould shells (2); when the mold locking device is separated from the mold locking corresponding structure, the mold shell can be in a mold opening state.
4. A bottle blowing machine according to claim 3, wherein the mold opening and closing mechanism comprises a cam mechanism and two sets of driving components, the cam mechanism comprises a bearing (24) and a bearing track (14), the bearing track (14) is arranged on a fixed part, the front end of the driving component is fixedly connected with the rear end of the half mold shell (2), the rear end of the driving component is rotatably connected with the bearing (24), the bearing (24) comprises a state close to the mold shell and a state far away from the mold shell when rotating in the bearing track (14), and the bearing (24) enables the driving component to drive the half mold shells (2) to rotate with the rotation center through the movement close to or far away from the mold shell so that the front ends of the two half mold shells (2) are close to each other or far away from each other.
5. The bottle blowing machine according to claim 4, wherein the driving assembly is a link mechanism, the link mechanism comprises a first link (251) and a second link (252), the front end of the first link (251) is fixedly connected with the rear end of the half-mold shell (2), and the rear end of the first link (251) is rotatably connected with the front end of the second link (252); the rear end of the second connecting rod (252) is rotationally connected with the bearing (24), and when the bearing (24) moves close to the mould shell, the bearing (24) can push the front end of the half mould shell (2) to be close to each other through the second connecting rod (252) and the first connecting rod (251); when the bearing (24) moves away from the mould shell, the bearing (24) can pull the front end of the half mould shell (2) away from each other through the connecting rod II (252) and the connecting rod I (251);
Or the driving assembly is a gear-rack mechanism, the gear-rack mechanism comprises a gear (261) and a rack (262) which are meshed with each other, the gear (261) is fixedly connected with the rear end of the half mould shell (2), the rear end of the rack (262) is rotationally connected with the bearing (24), and when the bearing (24) moves close to the mould shell, the bearing (24) can drive the front end of the half mould shell (2) to be far away from each other by pushing the rack (262); when the bearing (24) moves away from the mould shell, the bearing (24) can enable the gear (261) to drive the front ends of the half mould shells (2) to be close to each other by pulling the rack (262).
6. A bottle blowing machine according to claim 3, wherein a sealing boss is provided at the upper end of the mould shell, the sealing boss comprises a half sealing boss (22) provided on two half mould shells (2), the sealing boss is of a corresponding structure of the mould locking, the mould locking device comprises a sealing member, the sealing member is located above the sealing boss and can rotate along with the rotating part, a sealing guide rail (15) is provided on the fixing part, when the mould shell and the sealing member rotate along with the rotating part at the same time, the sealing member is located in the sealing guide rail (15) to rotate, and the sealing guide rail (15) comprises a low section and a high section, when the sealing member is located in the low section, the sealing member can clamp the sealing boss, and when the sealing member is located in the high section, the sealing member is separated from the sealing boss.
7. A bottle blowing machine according to claim 3, wherein a bottom closing boss is provided at the lower end of the mould shell, the bottom closing boss comprises a half bottom closing boss (23) provided on the two half mould shells (2), the bottom closing boss is of a corresponding structure of the mould locking, the mould locking device comprises a bottom closing member, the bottom closing member is positioned below the bottom closing boss and can rotate along with the rotating part, a bottom closing guide rail (16) is provided on the fixing part, when the mould shell and the bottom closing member rotate along with the rotating part, the bottom closing member is positioned in the bottom closing guide rail (16) to rotate, the bottom closing guide rail (16) comprises a low position section and a high position section, when the bottom closing member is positioned in the high position section, the bottom closing member can clamp the bottom closing boss, and when the bottom closing member is positioned in the low position section, the bottom closing member is separated from the bottom closing boss.
8. Bottle blowing machine according to any of claims 1-7, characterized in that the rotating part of the frame is connected with a frame gear (11), the hand clamping device (33) is connected with a hand clamping gear (31), and the frame gear (11) is simultaneously in meshed transmission with two hand clamping gears (31); the hand clamping device (33) comprises a swinging part (334) and a telescopic part (333), wherein the swinging part (334) is connected with a swinging cam mechanism, and the telescopic part (333) is connected with a telescopic cam mechanism; a compression spring is connected between the telescopic part (333) and the swinging part (334).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910372512.3A CN109955462B (en) | 2019-05-06 | 2019-05-06 | Bottle blowing machine |
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| CN201910372512.3A CN109955462B (en) | 2019-05-06 | 2019-05-06 | Bottle blowing machine |
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| CN109955462B true CN109955462B (en) | 2024-06-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110712981B (en) * | 2019-09-28 | 2024-09-10 | 德玛克（长兴）注塑系统有限公司 | Bottle embryo conveying mechanism |
| CN113085142B (en) * | 2021-03-31 | 2023-01-24 | 重庆品正食品有限公司 | Bottle blank conveying system |
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| CN201309252Y (en) * | 2008-08-04 | 2009-09-16 | 广州达意隆包装机械股份有限公司 | Object conveying device |
| CN201325179Y (en) * | 2008-12-25 | 2009-10-14 | 解冬正 | Die opening and locking mechanism of bottle blowing machine |
| CN201338383Y (en) * | 2008-12-31 | 2009-11-04 | 解冬正 | Bottle blank heating delivery device |
| CN101850605A (en) * | 2010-05-26 | 2010-10-06 | 广州晶品包装机械有限公司 | Energy-saving linear bottle blowing machine |
| CN209903902U (en) * | 2019-05-06 | 2020-01-07 | 广州思诺密包装科技有限公司 | Bottle blowing machine |
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2019
- 2019-05-06 CN CN201910372512.3A patent/CN109955462B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201309252Y (en) * | 2008-08-04 | 2009-09-16 | 广州达意隆包装机械股份有限公司 | Object conveying device |
| CN201325179Y (en) * | 2008-12-25 | 2009-10-14 | 解冬正 | Die opening and locking mechanism of bottle blowing machine |
| CN201338383Y (en) * | 2008-12-31 | 2009-11-04 | 解冬正 | Bottle blank heating delivery device |
| CN101850605A (en) * | 2010-05-26 | 2010-10-06 | 广州晶品包装机械有限公司 | Energy-saving linear bottle blowing machine |
| CN209903902U (en) * | 2019-05-06 | 2020-01-07 | 广州思诺密包装科技有限公司 | Bottle blowing machine |
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