A preform conveying and separating device for a bottle blowing machine

Abstract

The present invention relates to the technical field of cosmetic bottle manufacturing, and in particular to a preform conveying and separating device for a bottle blowing machine, comprising a workbench and a bottle preform. A feeding mechanism, a processing mechanism and a discharging mechanism are arranged on the workbench, and the feeding mechanism and the discharging mechanism are arranged on both sides of the processing mechanism respectively. The feeding mechanism is used for unloading the bottle preform, the processing mechanism is used for processing the bottle preform, and the discharging mechanism is used for discharging the bottle preform. The device solves the problem that the bottle preform feeding of the known two-step wide-mouth bottle blowing machine is performed by an operator staying beside the machine for a long time. Whenever the bottle blowing machine blows a bottle and a robot takes out the finished product, the operator manually inserts the bottle preform into a supporting seat of the bottle preform just taken out by the robot. However, this manual arrangement operation is not only labor-intensive, but also the bottle blowing machine will have uneven feeding due to the manual arrangement during production, which directly affects the product quality of the bottle blowing machine, thereby increasing the production cost and reducing the economic benefit.

Description

Technical Field

[0001] The invention relates to the technical field of cosmetic bottle manufacturing, in particular to a preform conveying and separating device of a bottle blowing machine. Background Art

[0002] Blow Molding Machine refers to a machine for blowing bottles. The most common explanation is that it is a machine that can blow plastic particles (softened into liquid) or finished bottle preforms into bottles through certain process means. Blow molding machines are convenient and fast, with a large molding volume. After they appeared, they replaced most manual bottle blowing and were adopted by most beverage companies. Currently, most blow molding machines are still two-step blow molding machines, that is, the plastic raw materials must be made into bottle preforms first, and then blown. The preform feeding of the known two-step wide-mouth bottle blowing machine is that the operator stays by the machine for a long time. Every time the blow molding machine blows a bottle and the robot takes out the finished product, the operator manually inserts the preform into the support seat of the preform just taken out by the robot. However, this manual arrangement operation is not only labor-intensive, but also the blow molding machine will have uneven feeding due to manual arrangement during production, which directly affects the product quality of the blow molding machine, thereby increasing production costs and reducing economic benefits. In order to solve the above problems, we provide a preform conveying and separation device for a blow molding machine. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] To solve the problem that the preform feeding of the known two-step wide-mouth bottle blowing machine is that the operator has to stay beside the machine for a long time. Whenever the bottle blowing machine blows a bottle and the robot takes out the finished product, the operator manually inserts the preform into the preform support seat just taken out by the robot. However, this manual arrangement operation is not only labor-intensive, but also the bottle blowing machine will have uneven feeding due to the manual arrangement during production, which directly affects the product quality of the bottle blowing machine, thereby increasing the production cost and reducing the economic benefit. A bottle preform conveying and separating device for a bottle blowing machine is provided.

[0005] (II) Technical solution

[0006] A preform conveying and separating device for a bottle blowing machine comprises a workbench and preforms. A feeding mechanism, a processing mechanism and a discharging mechanism are arranged on the workbench. The feeding mechanism and the discharging mechanism are arranged on both sides of the processing mechanism respectively. The feeding mechanism is used for unloading the preforms, the processing mechanism is used for processing the preforms, and the discharging mechanism is used for discharging the preforms.

[0007] As a preferred technical solution, the feeding mechanism includes a base fixed on the workbench, a track bracket for transporting bottle blanks is arranged above the base, the track bracket is fixed to the workbench through a support rod, a guide rail that cooperates with the track bracket is fixed on the base and below the track bracket, a guide frame is rotatably installed on the base and between the track bracket and the guide rail, and a first robot for transferring the bottle blanks to the processing mechanism is installed on the base and next to the guide frame.

[0008] As an optimal technical solution, the processing mechanism includes an annular disk fixed on the workbench, a cross is rotatably installed on the workbench and located above the annular disk, an annular limit groove is provided on the annular disk, a limit block is fixed on the lower surface of the cross, the limit block is embedded in the annular limit groove, a preform preheating unit, a preform processing unit, and a preform discharging unit are arranged on the workbench in a counterclockwise direction along the cross, a positioning disc buckle for placing the preform is fixed on the cross, the interior of the positioning disc buckle is hollow, and an air inlet is provided at the bottom and an air outlet is provided at the top, a limit rod is fixed to the side wall of the positioning disc buckle, an annular limit rail is installed above the annular disk, and the limit rod is embedded in the annular limit rail.

[0009] As a preferred technical solution, the preheating unit includes a first slide rail fixed on the workbench, a first slider is slidably mounted on the first slide rail, a first connecting block is fixed on the first slider, a second manipulator is fixed on the first connecting block, a heating rod is clamped on the second manipulator, a second connecting block is fixed at one end of the first slide rail, a first cylinder is horizontally fixed on the second connecting block, and the output shaft end of the first cylinder is fixedly connected to the first connecting block.

[0010] As a preferred technical solution, the processing unit includes a mounting base fixed on a workbench, a mounting plate is horizontally fixed on the top of the mounting base, a mold for processing bottle blanks is slidably installed on the lower surface of the mounting plate, a second slide rail is fixed on the lower surface of the mounting plate, the mold is spliced ​​from a first mold and a second mold, a second slider is fixed on the top of the first mold and the second mold, the second slider is embedded in the second slide rail, a first rack is fixed on the top of the first mold, a second rack is fixed on the top of the second mold, a gear is installed on the lower surface of the mounting plate and located between the first rack and the second rack, the gear is meshed with the first rack and the second rack, a second cylinder is horizontally fixed on the side wall of the mounting base, the output shaft end of the second cylinder is fixedly connected to the side wall of the first mold, an air intake pipe runs through the side wall of the mounting base, and the air intake pipe can be connected to the positioning disc buckle sleeve.

[0011] As a preferred technical solution, the discharging unit includes a lifting frame fixed on the workbench, a first support is fixed on the lifting frame, a first motor is horizontally fixed on the first support, and a third manipulator is fixed to the end of the motor output shaft.

[0012] As a preferred technical solution, the discharging mechanism includes a discharging trough, and the discharging trough is fixed on the workbench by supporting legs.

[0013] As a preferred technical solution, a second motor for driving the guide frame to rotate is fixed on the base.

[0014] As a preferred technical solution, a third motor for driving the cross to rotate is fixed on the workbench.

[0015] (III) Beneficial effects

[0016] The beneficial effects of the present invention are:

[0017] 1. Place several preforms to be processed on the track bracket in sequence. The preforms on the track bracket slowly slide down. At the same time, the guide rails and guide frames are used to slowly transport the preforms to the first manipulator in sequence. The first manipulator grabs the preforms and transfers them to the processing mechanism. By setting up a feeding mechanism, the unloading process can be automated, which greatly improves work efficiency.

[0018] 2. The first manipulator grabs the preform and buckles it on the positioning disc buckle, then the cross rotates counterclockwise to drive it to the preheating unit, processing unit, and discharge unit in turn. By setting an annular disc, annular limiting groove, annular limiting rail, and limiting rod, the preform can be prevented from deviating from the predetermined track during transportation, thereby affecting the subsequent processes.

[0019] 3. When the preform is transported to the preheating unit, the first cylinder output shaft moves forward to drive the first connecting block to move forward, the first connecting block moves forward to drive the second manipulator to move forward, the second manipulator moves forward to drive the heating rod to move forward, thereby transporting the heating rod to the top of the preform, and then the second manipulator buckles the heating rod on the preform for heating treatment. After the heating treatment is completed, the preform is transported forward to the processing unit.

[0020] 4. When the preform is transported to the processing unit, the second cylinder output shaft moves rightward, and the second cylinder output shaft moves rightward to drive the first mold to move rightward. A first rack is fixed on the top of the first mold, and a second rack is fixed on the top of the second mold. A gear is installed on the lower surface of the mounting plate and between the first rack and the second rack. The first mold moves rightward to drive the first rack to move rightward, and the gear is meshed with the first rack and the second rack. The first rack moves rightward to drive the gear to rotate counterclockwise, and the gear rotates counterclockwise to drive the second rack to move leftward. The second rack moves leftward to drive the second mold to move leftward, thereby merging the first mold and the second mold. The air inlet pipe can be connected to the positioning disc buckle sleeve, and then the air inlet pipe is ventilated to blow and shape the heated preform. By setting the processing unit, the preform processing can be automatically performed with high work efficiency.

[0021] 5. When the preform is transported to the discharging unit, the third robot will grab the blown and shaped preform and then transfer it to the discharging chute, which will transfer the preform to the designated position.

[0022] 6. The device solves the problem of preform feeding of the known two-step wide-mouth bottle blowing machine, which requires the operator to stay beside the machine for a long time. Every time the bottle blowing machine blows a bottle and the robot takes out the finished product, the operator manually inserts the preform into the preform support seat just taken out by the robot. However, this manual arrangement operation is not only labor-intensive, but also the bottle blowing machine will have uneven feeding due to manual arrangement during production, which directly affects the product quality of the bottle blowing machine, thereby increasing production costs and reducing economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic structural diagram of the anti-overflow cosmetic bottle of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the feeding mechanism of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the processing mechanism of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the processing unit of the present invention;

[0028] Figure 5 It is a schematic diagram of the internal structure of the positioning disc buckle of the present invention;

[0029] 1-working table; 2-bottle blank; 3-feeding mechanism; 4-processing mechanism; 5-discharging mechanism; 6-preheating unit; 7-processing unit; 8-discharging unit; 301-base; 302-track bracket; 303-guide rail; 304-guide frame; 305-first manipulator; 401-annular disk; 402-cross; 403-annular limiting groove; 404-limiting block; 405-positioning disc buckle; 406-air inlet; 407-air outlet; 408-limiting rod; 409-annular limiting rail; 601-first slide rail; 602-first slider; 603-first connecting block; 604-heating rod; 605-second connecting block; 606-first cylinder; 701-mounting seat; 702-mounting plate; 703-mold; 704-second slide rail; 705-first mold; 706-second mold; 707-second slider; 708-first rack; 709-second rack; 710-gear; 711-second cylinder; 712-intake pipe; 801-lifting frame; 802-first support; 803-motor; 804-third manipulator; DETAILED DESCRIPTION

[0030] The bottle blank conveying and separating device of the bottle blowing machine of the present invention is further described in conjunction with the accompanying drawings. The present invention is further described in detail in conjunction with the embodiments below:

[0031] As attached Figure 1-5 As shown, a preform conveying and separating device of a bottle blowing machine includes a workbench 1 and a preform 2. A feeding mechanism 3, a processing mechanism 4 and a discharging mechanism 5 are arranged on the workbench 1. The feeding mechanism 3 and the discharging mechanism 5 are respectively arranged on both sides of the processing mechanism 4. The feeding mechanism 3 is used for unloading the preform 2, the processing mechanism 4 is used for processing the preform 2, and the discharging mechanism 5 is used for discharging the preform 2.

[0032] As attached Figure 2 As shown, the feeding mechanism 3 includes a base 301 fixed on the workbench 1, a track bracket 302 for transporting the bottle blank 2 is arranged above the base 301, the track bracket 302 is fixed to the workbench 1 through a support rod, a guide rail 303 that cooperates with the track bracket 302 is fixed on the base 301 and below the track bracket 302, a guide frame 304 is rotatably installed on the base 301 and between the track bracket 302 and the guide rail 303, and a first robot 305 for transferring the bottle blank 2 to the processing mechanism 4 is installed on the base 301 and next to the guide frame 304.

[0033] It should be noted that several preforms 2 to be processed are placed on the track bracket 302 in sequence, and the preforms 2 on the track bracket 302 slowly slide down. At the same time, the guide rails 303 and the guide frames 304 are used to slowly transport the preforms 2 to the first manipulator 305 in sequence. The first manipulator 305 grabs the preforms 2 and transfers them to the processing mechanism 4. By setting up the feeding mechanism 3, the unloading process can be automated, which greatly improves the work efficiency.

[0034] As attached Figure 3 , 5 As shown, the processing mechanism 4 includes an annular disk 401 fixed on the workbench 1, a cross 402 is rotatably installed on the workbench 1 and located above the annular disk 401, an annular limiting groove 403 is provided on the annular disk 401, a limiting block 404 is fixed on the lower surface of the cross 402, and the limiting block 404 is embedded in the annular limiting groove 403, a preform 2 preheating unit 6, a preform 2 processing unit 7, and a preform 2 discharging unit 8 are arranged on the workbench 1 in a counterclockwise direction along the cross 402, a positioning disc buckle 405 for placing the preform 2 is fixed on the cross 402, the interior of the positioning disc buckle 405 is hollow, and an air inlet 406 is provided at the bottom and an air outlet 407 is provided at the top, a limiting rod 408 is fixed to the side wall of the positioning disc buckle 405, an annular limiting rail 409 is installed above the annular disk 401, and the limiting rod 408 is embedded in the annular limiting rail 409.

[0035] It should be noted that the first robot 305 grabs the bottle blank 2 and buckles it on the positioning disc buckle 405, and then the cross 402 rotates counterclockwise to drive it to the preheating unit 6, the processing unit 7, and the discharge unit 8 in turn. By setting the annular disk 401, the annular limiting groove 403, the annular limiting rail 409, and the limiting rod 408, the bottle blank 2 can be prevented from deviating from the predetermined track during transportation, thereby affecting the subsequent processes.

[0036] As attached Figure 3 As shown, the preheating unit 6 includes a first slide rail 601 fixed on the workbench 1, a first slider 602 is slidably mounted on the first slide rail 601, a first connecting block 603 is fixed on the first slider 602, a second manipulator is fixed on the first connecting block 603, a heating rod 604 is clamped on the second manipulator 607, a second connecting block 605 is fixed at one end of the first slide rail 601, a first cylinder 606 is horizontally fixed on the second connecting block 605, and an output shaft end of the first cylinder 606 is fixedly connected to the first connecting block 603.

[0037] It should be noted that when the bottle blank 2 is transported to the preheating unit 6, the output shaft of the first cylinder 606 moves forward, driving the first connecting block 603 to move forward, the first connecting block 603 moves forward, driving the second manipulator to move forward, and the second manipulator moves forward, driving the heating rod 604 to move forward, thereby transporting the heating rod 604 to the top of the bottle blank 2, and then the second manipulator buckles the heating rod 604 on the bottle blank 2 for heating treatment. After the heating treatment is completed, the bottle blank 2 is transported forward to the processing unit 7.

[0038] As attached Figure 4 As shown, the processing unit 7 includes a mounting seat 701 fixed on the workbench 1, a mounting plate 702 is horizontally fixed on the top of the mounting seat 701, a mold 703 for processing the bottle blank 2 is slidably mounted on the lower surface of the mounting plate 702, a second slide rail 704 is fixed on the lower surface of the mounting plate 702, the mold 703 is formed by splicing a first mold 705 and a second mold 706, the tops of the first mold 705 and the second mold 706 are both fixed with a second slide block 707, the second slide block 707 is embedded in the second slide rail 704, and the top of the first mold 705 is fixed There is a first rack 708, a second rack 709 is fixed on the top of the second mold 706, a gear 710 is installed on the lower surface of the mounting plate 702 and located between the first rack 708 and the second rack 709, the gear 710 is meshed with the first rack 708 and the second rack 709, a second cylinder 711 is horizontally fixed on the side wall of the mounting seat 701, the output shaft end of the second cylinder 711 is fixedly connected to the side wall of the first mold 705, and an air intake pipe 712 runs through the side wall of the mounting seat 701, and the air intake pipe 712 can be connected to the positioning disc buckle 405 socket.

[0039] It should be noted that when the preform 2 is transported to the processing unit 7, the output shaft of the second cylinder 711 moves rightward, and the output shaft of the second cylinder 711 moves rightward to drive the first mold 705 to move rightward. The first rack 708 is fixed on the top of the first mold 705, and the second rack 709 is fixed on the top of the second mold 706. A gear 710 is installed on the lower surface of the mounting plate 702 and located between the first rack 708 and the second rack 709. The first mold 705 moves rightward to drive the first rack 708 to move rightward, and the gear 710 and the first rack 708 move rightward. , and the second rack 709 are meshed with each other, the first rack 708 moves to the right and drives the gear 710 to rotate counterclockwise, the gear 710 rotates counterclockwise and drives the second rack 709 to move to the left, and the second rack 709 moves to the left and drives the second mold 706 to move to the left, so that the first mold 705 and the second mold 706 are merged, and the air inlet pipe 712 can be connected with the positioning disc buckle 405 sleeve, and then the air inlet pipe 712 is ventilated to blow and shape the heated bottle blank 2. By setting the processing unit 7, the bottle blank 2 can be processed automatically with high work efficiency.

[0040] As attached Figure 3 As shown, the discharging unit 8 includes a lifting frame 801 fixed on the workbench 1, a first support 802 is fixed on the lifting frame 801, a first motor 803 is horizontally fixed on the first support 802, and a third manipulator 804 is fixed to the output shaft end of the motor 803.

[0041] It should be noted that when the preform 2 is transported to the discharging unit 8, the third robot 804 clamps the blown and shaped preform 2 and then transfers it to the discharging chute 501, and the discharging chute 501 transfers the preform 2 to the designated position.

[0042] As attached Figure 1 As shown, the discharging mechanism 5 includes a discharging chute 501 , and the discharging chute 501 is fixed on the workbench 1 through supporting legs.

[0043] Furthermore, a second motor for driving the guide frame 304 to rotate is fixed on the base 301 .

[0044] Furthermore, a third motor for driving the cross 402 to rotate is fixed on the workbench 1 .

[0045] Working principle: During operation, several preforms 2 to be processed are placed on the track bracket 302 in sequence, and the preforms 2 on the track bracket 302 slowly slide down, and at the same time, the guide rails 303 and the guide frame 304 are used to slowly transport the preforms 2 to the first manipulator 305 in sequence, and the first manipulator 305 grabs the preforms 2 and buckles them on the positioning disc buckle 405, and then the cross 402 rotates counterclockwise to drive them to the preheating unit 6, the processing unit 7, and the discharging unit 8 in sequence. By setting the annular disk 401, the annular limiting groove 403, the annular limiting rail 409, and the limiting rod 408, the preforms 2 can be prevented from deviating from the predetermined track during transportation, thereby affecting the subsequent processes. When the preforms 2 are transported to the preheating unit 6, the first manipulator 305 The output shaft of the cylinder 606 moves forward, driving the first connecting block 603 to move forward. The first connecting block 603 moves forward, driving the second manipulator to move forward. The second manipulator moves forward, driving the heating rod 604 to move forward, thereby transporting the heating rod 604 to the top of the preform 2. Then the second manipulator buckles the heating rod 604 on the preform 2 for heating treatment. When the preform 2 is transported to the processing unit 7, the output shaft of the second cylinder 711 moves rightward. The output shaft of the second cylinder 711 moves rightward, driving the first mold 705 to move rightward. A first rack 708 is fixed on the top of the first mold 705. A second rack 709 is fixed on the top of the second mold 706. The lower surface of the mounting plate 702 and the first rack 709 are located on the lower surface of the mounting plate 702. 8. A gear 710 is installed between the second rack 709. The first mold 705 moves rightward to drive the first rack 708 to move rightward. The gear 710 meshes with the first rack 708 and the second rack 709. The first rack 708 moves rightward to drive the gear 710 to rotate counterclockwise. The counterclockwise rotation of the gear 710 drives the second rack 709 to move leftward. The second rack 709 moves leftward to drive the second mold 706 to move leftward, so that the first mold 705 and the second mold 706 are merged. The air inlet pipe 712 can be connected with the positioning disc buckle 405 socket. Then the air inlet pipe 712 is ventilated to blow and shape the heated bottle blank 2. By setting the processing unit 7, the bottle blank 2 can be processed automatically. The efficiency is high. When the preform 2 is transported to the discharge unit 8, the third manipulator 804 clamps the blown and shaped preform 2 and then transfers it to the discharge trough 501. The discharge trough 501 transfers the preform 2 to the designated position. The device solves the problem of preform loading of the known two-step wide-mouth bottle blowing machine, which requires operators to stay beside the machine for a long time. Whenever the blow molding machine blows a bottle and the manipulator takes out the finished product, the operator manually inserts the preform into the preform support seat just taken out by the manipulator. However, this manual arrangement operation is not only labor-intensive, but also the blow molding machine will have uneven feeding due to manual arrangement during production, which directly affects the product quality of the blow molding machine, thereby increasing production costs and reducing economic benefits.

[0046] The above embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solution of the present invention by ordinary personnel in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have all been recorded in the claims.

Claims

1. A preform conveying and separating device for a bottle blowing machine, comprising a workbench (1) and a preform (2), characterized in that: The workbench (1) is provided with a feeding mechanism (3), a processing mechanism (4), and a discharging mechanism (5), wherein the feeding mechanism (3) and the discharging mechanism (5) are respectively arranged on both sides of the processing mechanism (4); the feeding mechanism (3) is used for unloading the bottle blanks (2); the processing mechanism (4) is used for processing the bottle blanks (2); and the discharging mechanism (5) is used for discharging the bottle blanks (2); The feeding mechanism (3) comprises a base (301) fixed on the workbench (1); a track bracket (302) for transporting bottle blanks (2) is arranged above the base (301); the track bracket (302) is fixed to the workbench (1) via a support rod; a guide rail (303) cooperating with the track bracket (302) is fixed on the base (301) and located below the track bracket (302); a guide frame (304) is rotatably mounted on the base (301) and located between the track bracket (302) and the guide rail (303); and a first manipulator (305) for transferring the bottle blanks (2) to the processing mechanism (4) is mounted on the base (301) and located next to the guide frame (304); The processing mechanism (4) comprises an annular disk (401) fixed on the workbench (1); a cross (402) is rotatably mounted on the workbench (1) and located above the annular disk (401); an annular limiting groove (403) is provided on the annular disk (401); a limiting block (404) is fixed on the lower surface of the cross (402); the limiting block (404) is embedded in the annular limiting groove (403); and a preform (2) preheating unit (6), a bottle preform (2) preheating unit (7), a bottle preform (2) preheating unit (8) and a bottle preform (2) preheating unit (9) are sequentially arranged on the workbench (1) and along the cross (402) in a counterclockwise direction. A blank (2) processing unit (7) and a bottle blank (2) discharging unit (8), a positioning disc buckle (405) for placing the bottle blank (2) is fixed on the cross (402), the positioning disc buckle (405) is hollow inside, and an air inlet (406) is opened at the bottom and an air outlet (407) is opened at the top, a limiting rod (408) is fixed on the side wall of the positioning disc buckle (405), an annular limiting rail (409) is installed above the annular disk (401), and the limiting rod (408) is embedded in the annular limiting rail (409); The preheating unit (6) comprises a first slide rail (601) fixed on the workbench (1), a first slider (602) being slidably mounted on the first slide rail (601), a first connecting block (603) being fixed on the first slider (602), a second manipulator being fixed on the first connecting block (603), a heating rod (604) being clamped on the second manipulator (607), a second connecting block (605) being fixed at one end of the first slide rail (601), a first cylinder (606) being horizontally fixed on the second connecting block (605), and an output shaft end of the first cylinder (606) being fixedly connected to the first connecting block (603); The processing unit (7) comprises a mounting seat (701) fixed on the workbench (1); a mounting plate (702) is horizontally fixed on the top of the mounting seat (701); a mold (703) for processing the bottle blank (2) is slidably mounted on the lower surface of the mounting plate (702); a second slide rail (704) is fixed on the lower surface of the mounting plate (702); the mold (703) is formed by splicing a first mold (705) and a second mold (706); a second slide block (707) is fixed on the top of the first mold (705) and the second mold (706); the second slide block (707) is embedded in the second slide rail (704); the top of the first mold (705) is fixed A first rack (708) is fixed, a second rack (709) is fixed on the top of the second mold (706), a gear (710) is installed on the lower surface of the mounting plate (702) and located between the first rack (708) and the second rack (709), the gear (710) is meshed with the first rack (708) and the second rack (709), a second cylinder (711) is horizontally fixed on the side wall of the mounting seat (701), the output shaft end of the second cylinder (711) is fixedly connected to the side wall of the first mold (705), an air intake pipe (712) runs through the side wall of the mounting seat (701), and the air intake pipe (712) can be connected to the positioning disc buckle (405) plug sleeve; The discharging unit (8) comprises a lifting frame (801) fixed on the workbench (1), a first support (802) being fixed on the lifting frame (801), a first motor (803) being horizontally fixed on the first support (802), and a third manipulator (804) being fixed on the output shaft end of the motor (803).

2. The preform conveying and separating device for a bottle blowing machine according to claim 1, characterized in that: The discharging mechanism (5) comprises a discharging trough (501), and the discharging trough (501) is fixed on the workbench (1) via supporting legs.

3. The preform conveying and separating device for a bottle blowing machine according to claim 1, characterized in that: A second motor for driving the guide frame (304) to rotate is fixed on the base (301).

4. The preform conveying and separating device for a bottle blowing machine according to claim 1, characterized in that: A third motor for driving the cross (402) to rotate is fixed on the workbench (1).

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