Bottle blowing device of bottle blowing machine

Abstract

The utility model discloses a bottle blowing device of a bottle blowing machine, which comprises a machine shell, a bottle blowing pipe, a protection mechanism and a telescopic mechanism, the protection mechanism is arranged on the upper surface of the machine shell and used for protecting an opening at the top of the machine shell, and the telescopic mechanism is arranged in an inner cavity of the machine shell and used for driving the bottle blowing pipe to move in the vertical direction. The hydraulic oil cylinder runs to drive the air outlet funnel and the bottle blowing pipe to vertically move upwards, and the inclined plane at the top of the bottle blowing pipe extrudes the inclined plane at the bottom of one side of the movable block, so that the movable block moves towards one side, the mounting block extrudes and deforms the pressure spring, and the bottle blowing pipe moves out of the inner cavity of the machine shell upwards for bottle blowing operation; when the bottle blowing pipe slides into the inner cavity of the machine shell, the installation block and the movable block are pushed to return to the initial positions through the elastic effect of the compression spring, so that the movable block seals the opening in the top of the machine shell, dust and impurities are prevented from falling into the machine shell, and stable operation of the bottle blowing pipe is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of plastic bottle production, in particular to a bottle blowing device of a bottle blowing machine. Background Art

[0002] A bottle blowing machine is a device used for forming plastic bottles. Through the bottle blowing device on the bottle blowing machine, high-pressure gas is filled into the inner cavity of the bottle embryo. When used in conjunction with the bottle blowing mold, the bottle embryo is expanded and formed to complete the bottle blowing operation, such as "A bottle blowing device of a bottle blowing machine" with patent publication number CN215619905U.

[0003] The disadvantage of the above-mentioned bottle blowing device is that when the bottle blowing machine stops operating, the air outlet pipe on the bottle blowing device is driven to shrink and enter the interior of the device by utilizing the telescopic device to protect the air outlet pipe. After the air outlet pipe enters the interior of the device, external dust and impurities can easily enter the interior through the opening at the top of the device, thereby affecting the operation of the air outlet pipe. Utility Model Content

[0004] The purpose of the utility model is to provide a bottle blowing device of a bottle blowing machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bottle blowing device of a bottle blowing machine, comprising a housing;

[0006] A bottle blowing tube, the bottom of which is slidably connected to the top of the housing, and is used for blowing the preform;

[0007] A protection mechanism, the protection mechanism is arranged on the upper surface of the casing and is used to protect the opening at the top of the casing;

[0008] The telescopic mechanism is arranged in the inner cavity of the casing and is used to drive the bottle blowing tube to move in the vertical direction.

[0009] Preferably, the protection mechanism comprises:

[0010] A mounting seat, the bottom end of which is fixedly connected to the upper surface of the housing, and the inner cavity of which is slidably and interlacedly connected to the bottle blowing tube;

[0011] A fixing block, one end of which is fixedly connected to one side of the outer wall of the mounting seat;

[0012] The movable block is arranged on one side of the upper surface of the fixed block and is used to close the top of the mounting seat.

[0013] Preferably, the protection mechanism comprises:

[0014] A fixed rod, one end of which is fixedly connected to one side of the movable block, and is used to drive the movable block to move in a horizontal direction;

[0015] A mounting block, the mounting block being fixedly connected to the other end of the fixing rod;

[0016] The movable groove is arranged on the fixed block and is used for slidingly inserting and connecting the mounting block.

[0017] Preferably, the protection mechanism comprises:

[0018] A connecting rod, both ends of which are fixedly connected to the inner wall of the movable groove and which is slidably connected to the bottom of the mounting block;

[0019] A compression spring, the compression spring being movably sleeved with one end of the connecting rod;

[0020] A clamping block, the upper surface of which is fixedly connected to the bottom end of the mounting block.

[0021] Preferably, the telescopic mechanism comprises:

[0022] A hydraulic cylinder, the top of which is fixedly connected to the lower surface of the casing;

[0023] An air outlet funnel, the bottom end of which is drivingly connected to the output end of the hydraulic cylinder, and the top of which is fixedly and interlacedly connected to the bottom of the bottle blowing tube;

[0024] A connecting pipe, one end of which is fixedly inserted and connected to the bottom of the gas outlet funnel, and is used for conveying high-pressure gas.

[0025] Preferably, the telescopic mechanism comprises:

[0026] A plurality of connection blocks, one end of each connection block being fixedly connected to one side of the gas outlet funnel;

[0027] A plurality of sliding rods, both ends of which are fixedly connected to the inner wall of the casing, are used for slidingly inserting and connecting the connecting blocks.

[0028] Technical effects and advantages of the utility model:

[0029] The utility model utilizes a setting mode in which a bottle blowing tube, a movable block, a mounting block and a compression spring are matched, and the operation of a hydraulic oil cylinder drives the air outlet funnel and the bottle blowing tube to move vertically upwards, the inclined surface at the top of the bottle blowing tube presses the inclined surface at the bottom of one side of the movable block, so that the movable block moves to one side, the mounting block presses and deforms the compression spring, the bottle blowing tube moves upwards out of the inner cavity of the casing, and the bottle blowing operation is performed; when the bottle blowing tube slides into the inner cavity of the casing, the elastic effect of the compression spring is utilized to push the mounting block and the movable block back to the initial position, so that the movable block closes the opening at the top of the casing, prevents dust and impurities from falling in, and ensures the stable operation of the bottle blowing tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0031] Figure 2 It is a schematic diagram of the side sectional structure of the fixing block of the utility model.

[0032] Figure 3 It is a schematic diagram of the side sectional structure of the casing of the utility model.

[0033] In the figure: 1. casing; 2. bottle blowing tube; 3. protective mechanism; 31. mounting seat; 32. fixed block; 33. movable block; 34. fixed rod; 35. mounting block; 36. movable groove; 37. connecting rod; 38. compression spring; 39. clamping block; 4. telescopic mechanism; 41. hydraulic cylinder; 42. air outlet funnel; 43. connecting pipe; 44. connecting block; 45. sliding rod. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] The utility model provides Figure 1-3 The bottle blowing device of the bottle blowing machine shown in the figure comprises a housing 1, the housing 1 is used to install the bottle blowing tube 2 and the air outlet funnel 42, the bottle blowing tube 2, the bottom of the bottle blowing tube 2 is slidably inserted and connected with the top of the housing 1, the top of the bottle blowing tube 2 is arranged in an inclined surface, and a plurality of air outlet holes are opened on the top, and the inside is arranged in a hollow state, which is used for bottle blowing operation on the preform, and the bottle preform is expanded by transmitting high-pressure gas by inserting the bottle blowing tube 2 upward into the opening of the preform;

[0036] Furthermore, a protection mechanism 3 is provided on the upper surface of the housing 1, and is used to protect the opening at the top of the housing 1. The protection mechanism 3 is used to seal the opening at the top of the housing 1 to prevent dust and impurities from entering.

[0037] The telescopic mechanism 4 is arranged in the inner cavity of the housing 1 and is used to drive the bottle blowing tube 2 to move in the vertical direction to complete the bottle blowing operation on the preform;

[0038] Specifically, the protection mechanism 3 includes a mounting seat 31, the bottom end of the mounting seat 31 is fixedly connected to the upper surface of the casing 1, and its inner cavity is slidably and interlacedly connected with the bottle blowing tube 2. The mounting seat 31 is used to install a fixed block 32, and the fixed block 32, one end of the fixed block 32 is fixedly connected to one side of the outer wall of the mounting seat 31, and the fixed block 32 is used to support the movable block 33, and the lower surface of the movable block 33 is in contact with the upper surface of the fixed block 32. The movable block 33 is set in a circular block shape, and the bottom of one side is set in a curved surface. When the bottle blowing tube 2 moves upward When the movable block 33 is moved to one side, the inclined surface at the top squeezes the inclined surface at the bottom of one side of the movable block 33, so that the movable block 33 moves to one side. The movable block 33 is arranged on one side of the upper surface of the fixed block 32, which is used to seal the top of the mounting seat 31 to prevent impurities from entering from the opening position, and plays a role in dust prevention. The fixed rod 34, one end of which is fixedly connected to one side of the movable block 33, is used to drive the movable block 33 to move in the horizontal direction. The fixed rod 34 is used to connect the movable block 33 and the mounting block 35, and the mounting block 35 and the fixed rod 33 4 is fixedly connected, the mounting block 35 moves with the movable block 33, and is used to squeeze the compression spring 38. The movable groove 36 is arranged on the fixed block 32, and is used to slide and insert the mounting block 35. With the movement of the movable block 33, the mounting block 35 is driven to slide in the inner cavity of the movable groove 36. The connecting rod 37, both ends of the connecting rod 37 are fixedly connected to the inner wall of the movable groove 36, and the connecting rod 37 is slidably inserted and connected with the bottom of the mounting block 35. The connecting rod 37 is used to install the compression spring 38 and the mounting block 35, so that the mounting block 35 Slide along the connecting rod 37, the compression spring 38, the compression spring 38 is movably sleeved with one end of the connecting rod 37, when the movable block 33 moves to one side, the mounting block 35 is driven to compress the compression spring 38, and the elastic effect of the compression spring 38 is used to push the mounting block 35 and the movable block 33 back to the initial position, the clamping block 39, the upper surface of the clamping block 39 is fixedly connected to the bottom end of the mounting block 35, the upper surface of the clamping block 39 is in contact with the lower surface of the fixed block 32, and moves with the mounting block 35, ensuring that the mounting block 35 moves stably along the connecting rod 37;

[0039] Furthermore, the telescopic mechanism 4 includes a hydraulic cylinder 41, which is electrically connected to an external power supply through an external switch, and the top of the hydraulic cylinder 41 is fixedly connected to the lower surface of the casing 1. Through the operation of the hydraulic cylinder 41, the air outlet funnel 42 and the bottle blowing tube 2 are driven to reciprocate in the vertical direction, and the bottle blowing tube 2 is telescoped. The air outlet funnel 42, the bottom end of the air outlet funnel 42 is transmission-connected to the output end of the hydraulic cylinder 41, and the top thereof is fixedly connected to the bottom of the bottle blowing tube 2 for driving the bottle blowing tube 2 to move and deliver the high-pressure gas to the bottle blowing tube 2, the connecting tube 43, one end of the connecting tube 43 is connected to the air outlet funnel The bottom of 42 is fixedly connected through and through, and is used for conveying high-pressure gas. The connecting pipe 43 is a rubber hose, and is used for connecting an external high-pressure gas pipeline. There are a plurality of connecting blocks 44, and one end of the connecting block 44 is fixedly connected to one side of the air outlet funnel 42. The connecting block 44 moves with the air outlet funnel 42. There are a plurality of sliding rods 45, and both ends of the sliding rods 45 are fixedly connected to the inner wall of the casing 1, and are used for slidingly connecting the connecting blocks 44. Through the operation of the hydraulic cylinder 41, the air outlet funnel 42 and the bottle blowing tube 2 are driven to extend and retract in the vertical direction, and the connecting block 44 is driven to slide along the sliding rod 45, thereby ensuring the stable movement of the air outlet funnel 42.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A bottle blowing device of a bottle blowing machine, comprising: Housing (1); A bottle blowing tube (2), the bottom of which is slidably connected to the top of the housing (1) and is used for blowing the preform; The invention is characterized in that: a protective mechanism (3) is arranged on the upper surface of the casing (1) and is used to protect the opening at the top of the casing (1); The protection mechanism (3) comprises a mounting seat (31), the bottom end of the mounting seat (31) is fixedly connected to the upper surface of the casing (1), and the inner cavity of the mounting seat is slidably connected to the bottle blowing tube (2); A fixing block (32), one end of the fixing block (32) being fixedly connected to one side of the outer wall of the mounting seat (31); A movable block (33), the movable block (33) being arranged on one side of the upper surface of the fixed block (32) and being used to seal the top of the mounting seat (31); a fixed rod (34), one end of which is fixedly connected to one side of the movable block (33) and is used to drive the movable block (33) to move in a horizontal direction; A mounting block (35), wherein the mounting block (35) is fixedly connected to the other end of the fixing rod (34); A movable groove (36), the movable groove (36) being arranged on the fixed block (32) and being used for slidingly inserting and connecting with the mounting block (35); A connecting rod (37), the two ends of which are fixedly connected to the inner wall of the movable groove (36), and which is slidably connected to the bottom of the mounting block (35); A compression spring (38), wherein the compression spring (38) is movably sleeved with one end of the connecting rod (37); A clamping block (39), wherein the upper surface of the clamping block (39) is fixedly connected to the bottom end of the mounting block (35); A telescopic mechanism (4), wherein the telescopic mechanism (4) is arranged in the inner cavity of the casing (1) and is used to drive the bottle blowing tube (2) to move in a vertical direction.

2. The bottle blowing device of the bottle blowing machine according to claim 1, characterized in that: The telescopic mechanism (4) comprises: A hydraulic cylinder (41), the top end of the hydraulic cylinder (41) being fixedly connected to the lower surface of the casing (1); An air outlet funnel (42), wherein the bottom end of the air outlet funnel (42) is drivingly connected to the output end of the hydraulic cylinder (41), and the top end of the air outlet funnel is fixedly connected to the bottom of the bottle blowing tube (2); A connecting pipe (43), one end of which is fixedly connected to the bottom of the gas outlet funnel (42) and is used for conveying high-pressure gas.

3. The bottle blowing device of the bottle blowing machine according to claim 2, characterized in that: The telescopic mechanism (4) comprises: A plurality of connection blocks (44), one end of each connection block (44) being fixedly connected to one side of the air outlet funnel (42); A plurality of sliding rods (45), both ends of the sliding rods (45) being fixedly connected to the inner wall of the casing (1), and being used for slidingly penetrating and connecting with the connecting block (44).

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