Continuous blow molding device for plastic bags

Abstract

The utility model discloses a plastic bag continuous blow molding device which comprises a mounting table, the upper surface of the mounting table is fixedly connected with a blow molding mechanism, the right surface of the blow molding mechanism is fixedly connected with an opening and closing type discharging pipe, the upper surface of the opening and closing type discharging pipe is fixedly connected with an auxiliary discharging mechanism, and the lower end of the mounting table is fixedly connected with a mounting plate. An air cylinder is fixedly connected to the upper surface of the mounting plate, a mounting block and a positioning plate are fixedly connected to the right end of the air cylinder and the right inner wall of the open-close type discharging pipe correspondingly, a cutter and a contact plate are fixedly connected to the right surface of the mounting block and the left surface of the positioning plate correspondingly, and adjusting supporting pieces are fixedly connected to the upper surface and the lower surface of the contact plate correspondingly. One end of the adjusting support member away from the contact plate is fixedly connected with a flat plate. By means of the device, the limited area of the plastic bag in the cutting process is increased, the cutting stability is improved, the flexibility of the cutter and a mechanism of the cutter is improved, and the plastic bags with different thicknesses can be conveniently cut off.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bag blow molding device technical field especially relates to a plastic bag continuous blow molding device. BACKGROUND

[0002] The plastic bag continuous blow molding device can effectively improve the production efficiency of plastic bags, but the cutting mechanism of the general plastic bag continuous blow molding device has poor flexibility, and there is a hidden danger of damaging the plastic bag during the cutting process, which reduces the practicality of the plastic bag continuous blow molding device. The "blow molding device for thin plastic bag" disclosed by China Patent Network has the application number "201721266057.1", which improves the quality of finished plastic bags through high-pressure gas supply module and air purification module to achieve the purpose of improving the practicality of the device, but the device still cannot reduce the hidden danger of damaging the plastic bag in the cutting process when in use. SUMMARY

[0003] The utility model discloses a plastic bag continuous blow molding device, which increases the area of the plastic bag being limited during cutting by using a clamping and cutting structure, thereby reducing the occurrence of abnormal cutting surfaces and facilitating the adjustment of the gap of the plastic bag limiting mechanism by the staff, expanding the application range of the cutting mechanism and improving the practicality of the plastic bag continuous blow molding device.

[0004] The utility model discloses still provide with above -mentioned one kind is equipped with the plastic bag continuous blow molding device, it includes: installation platform, the upper surface fixed connection of installation platform has blow molding mechanism, the right surface fixed connection of blow molding mechanism has open and close type downcomer, open and close type downcomer's left end is fixedly connected with installation platform, open and close type downcomer's upper surface fixedly connected with auxiliary discharge mechanism, the lower end of auxiliary discharge mechanism is penetrated to the inside of open and close type downcomer, the lower end fixedly connected of installation platform has mounting plate, the upper surface fixed connection of mounting plate has pneumatic cylinder, the right end of pneumatic cylinder and the right inner wall of open and close type downcomer are fixedly connected with mounting block, positioning plate respectively, the mounting block and positioning plate are left and right opposite distribution, and the mounting block penetrates the right wall of open and close type downcomer, the right surface of mounting block, the left surface of positioning plate are fixedly connected with cutter, contact plate respectively, cutter and contact plate are in close contact when cutting plastic bag, the upper and lower two surfaces of contact plate are fixedly connected with adjusting support, the one end fixedly connected of adjusting support away from contact plate has flat plate, the distance between two flat plates forms limit recess, when cutting work is carried out, the part of plastic bag being cut is located in the inside of limit recess.

[0005] The utility model discloses a plastic bag continuous blow molding device, the left surface of contact board is provided with the butt joint groove, when cutting off plastic bag, the right end of cutter is located in the inside of butt joint groove. Improve the effect of cutter.

[0006] The utility model discloses a plastic bag continuous blow molding device, the fixed connection of flat plate and contact board has the corrugated sleeve, and the inside of corrugated sleeve is located the adjusting support piece. Avoid the damage of adjusting support piece to plastic bag.

[0007] The utility model discloses a plastic bag continuous blow molding device, the adjusting support piece is composed of installation cylinder and connecting rod, and the connecting rod is provided with the positioner between the installation cylinder. Convenient to use adjusting support piece.

[0008] The utility model discloses a plastic bag continuous blow molding device, the positioner is composed of a spring, a ball clamping block and a plurality of clamping grooves, and the two ends of the spring are fixedly connected with the ball clamping block and the connecting rod respectively. Convenient to overhaul positioner.

[0009] The utility model discloses a plastic bag continuous blow molding device, the side surface of connecting rod is provided with the storage cavity, and the spring and the ball clamping block are located in the inside of storage cavity. Provide sufficient activity space for ball clamping block.

[0010] The utility model discloses a plastic bag continuous blow molding device, the diameter of the space of installation cylinder inner wall and the diameter of storage cavity are greater than the diameter of connecting rod and the diameter of ball clamping block respectively. Improve the use fluency of adjusting mechanism.

[0011] Beneficial effects

[0012] Compared with the prior art, the plastic bag continuous blow molding device forms a clamping and cutting mechanism through the opening and closing type falling pipe, the positioning plate, the contact plate, the butt joint groove, the adjusting support piece, the mounting plate, the air cylinder, the mounting block and the cutter, increases the limiting area of the cutter mechanism for the plastic bag during the cutting process, reduces the situation that the plastic bag appears abnormal cutting surface, and facilitates the staff to adjust the gap of the plastic bag limiting mechanism, expands the application range of the cutting mechanism, and facilitates the device to cut plastic bags of different thicknesses. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings and embodiments;

[0014] Figure 1 It is the overhead structure diagram of the utility model plastic bag continuous blow molding device;

[0015] Figure 2 It is the positioning plate enlarged structure diagram of the utility model plastic bag continuous blow molding device;

[0016] Figure 3 It is the support rod enlarged structure diagram of the plastic bag continuous blow molding device of the utility model,

[0017] Figure 4 It is the support rod sectional view structure diagram of the plastic bag continuous blow molding device of the utility model,

[0018] Figure 5 It is the support rod sectional view structure diagram of the plastic bag continuous blow molding device of the utility model, Figure 4 The enlarged structure diagram of B place in middle.

[0019] Legend:

[0020] 1, installation platform, 2, blow molding mechanism, 3, auxiliary discharging mechanism, 4, open-close type discharging pipe, 5, positioning plate, 6, mounting plate, 7, air cylinder, 8, mounting block, 9, cutter, 10, contact plate, 11, flat plate, 12, adjusting support piece, 13, corrugated sleeve, 14, butt joint groove, 15, mounting cylinder, 16, connecting rod, 17, adjusting mechanism, 18, spring, 19, spherical ball clamping block, 20, clamping groove, 21, storage cavity. Specific implementation

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] With reference to Figures 1-5 , the utility model discloses a plastic bag continuous blow molding device, it includes: installation platform 1, the upper surface of installation platform 1 is fixedly connected with blow molding mechanism 2, the right surface of blow molding mechanism 2 is fixedly connected with open-close type discharging pipe 4, the left end of open-close type discharging pipe 4 is fixedly connected with installation platform 1, the upper surface of open-close type discharging pipe 4 is fixedly connected with auxiliary discharging mechanism 3, the lower end of auxiliary discharging mechanism 3 is penetrated to the inside of open-close type discharging pipe 4, the above device forms the basic structure of plastic bag continuous water tank forming device, wherein blow molding mechanism 2, auxiliary discharging mechanism 3 are commonly used plastic bag production equipment in life, and the front wall of open-close type discharging pipe 4 is open-close structure, so as to improve the convenience of maintaining open-close type discharging pipe 4.

[0023] The lower end of the installation table 1 is fixedly connected with a mounting plate 6, the upper surface of the mounting plate 6 is fixedly connected with a pneumatic cylinder 7, the right end of the pneumatic cylinder 7 is fixedly connected with a mounting block 8 and a positioning plate 5 respectively on the right inner wall of the open-close type blanking pipe 4, the mounting block 8 and the positioning plate 5 are distributed left and right opposite to each other, and the mounting block 8 penetrates through the right wall of the open-close type blanking pipe 4, the right surface of the mounting block 8 and the left surface of the positioning plate 5 are fixedly connected with a cutter 9 and a contact plate 10 respectively, the cutter 9 and the contact plate 10 are in close contact when cutting the plastic bag, the above-mentioned devices cooperate with each other to form a clamping mechanism, so as to increase the area of the plastic bag limited in the cutting process and improve the stability of the plastic bag in the cutting process, the left surface of the contact plate 10 is provided with a butt joint groove 14, and the right end of the cutter 9 is located in the inside of the butt joint groove 14 when cutting the plastic bag, and the butt joint groove 14 improves the effect of the cutter 9.

[0024] The upper and lower surfaces of the contact plate 10 are fixedly connected with an adjusting support 12, one end of the adjusting support 12 away from the contact plate 10 is fixedly connected with a flat plate 11, the distance between the two flat plates 11 forms a limiting groove, and the part of the plastic bag cut off is located in the limiting groove during cutting work, the limiting groove further improves the limiting effect of the clamping mechanism on the plastic bag by bending the plastic bag, the flat plate 11 and the contact plate 10 are fixedly connected with a corrugated sleeve 13, the adjusting support 12 is located in the inside of the corrugated sleeve 13, and the corrugated sleeve 13 avoids damaging the plastic bag by the adjusting support 12.

[0025] The adjusting support 12 is composed of a mounting cylinder 15 and a connecting rod 16, a positioning mechanism 17 is arranged between the connecting rod 16 and the mounting cylinder 15, the positioning mechanism 17 is composed of a spring 18, a spherical ball clamping block 19 and a plurality of clamping grooves 20, the two ends of the spring 18 are fixedly connected with the spherical ball clamping block 19 and the connecting rod 16 respectively, the above-mentioned devices cooperate with each other to facilitate adjusting the distance between the flat plate 11 and the contact plate 10, to ensure that the limiting groove can limit plastic bags of different thicknesses, the side surface of the connecting rod 16 is provided with a receiving cavity 21, the spring 18 and the spherical ball clamping block 19 are located in the inside of the receiving cavity 21, the diameter of the space of the inner wall of the mounting cylinder 15 and the diameter of the receiving cavity 21 are greater than the diameter of the connecting rod 16 and the diameter of the spherical ball clamping block 19 respectively, and the above-mentioned structures cooperate with each other to improve the smoothness of stretching and compressing the adjusting support 12.

[0026] Working principle: when the plastic bag needs to be cut off, first use the air cylinder 7 to control the mounting plate 6 to push the cutter 9 close to the positioning plate 5, as the mounting plate 6 approaches the positioning plate 5, the plastic bag is uniformly compressed, and the cutter 9 completely enters the butt joint groove 14, the plastic bag cutting work is completed, and the cut plastic bag is not directly dropped due to the influence of the clamping force, which is convenient for the staff to recycle the plastic bag below, when using the clamping mechanism, the flat plate 11 can be directly pulled to change the length of the adjusting support 12 by using the positioning mechanism 17, so as to change the spacing between the flat plate 11 and the contact plate 10, so as to achieve the purpose of limiting the plastic bags of different thicknesses, and when resetting the adjusting support 12, only need to press the spherical ball block 19 to directly compress the connecting rod 16 to the inside of the mounting cylinder 15.

[0027] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A continuous blow molding apparatus for plastic bags, characterized by, Include: The upper surface of the installation platform (1) is fixedly connected with a blow molding mechanism (2), the right surface of the blow molding mechanism (2) is fixedly connected with an opening and closing type feeding pipe (4), the left end of the opening and closing type feeding pipe (4) is fixedly connected with the installation platform (1), and the upper surface of the opening and closing type feeding pipe (4) is fixedly connected with an auxiliary discharging mechanism (3), and the lower end of the auxiliary discharging mechanism (3) penetrates into the inside of the opening and closing type feeding pipe (4); The lower end of the installation platform (1) is fixedly connected with a mounting plate (6), the upper surface of the mounting plate (6) is fixedly connected with a pneumatic cylinder (7), the right end of the pneumatic cylinder (7) is fixedly connected with a mounting block (8) and a positioning plate (5) respectively, the mounting block (8) and the positioning plate (5) are distributed left and right, and the mounting block (8) penetrates through the right wall of the opening and closing type feeding pipe (4), the right surface of the mounting block (8) and the left surface of the positioning plate (5) are fixedly connected with a cutter (9) and a contact plate (10) respectively, and when cutting off the plastic bag, the cutter (9) and the contact plate (10) are in close contact. The upper and lower surfaces of the contact plate (10) are fixedly connected with adjusting supports (12), one end of the adjusting support (12) away from the contact plate (10) is fixedly connected with a flat plate (11), the distance between the two flat plates (11) forms a limiting groove, and when cutting, the cut part of the plastic bag is located in the limiting groove.

2. The apparatus according to claim 1, wherein The left surface of the contact plate (10) is provided with a butt joint groove (14), and when cutting the plastic bag, the right end of the cutter (9) is located in the butt joint groove (14).

3. The apparatus according to claim 1, wherein The flat plate (11) and the contact plate (10) are fixedly connected with a corrugated sleeve (13), and the adjusting support (12) is located in the corrugated sleeve (13).

4. The apparatus according to claim 1, wherein The adjusting support (12) is composed of a mounting cylinder (15) and a connecting rod (16), and a positioning mechanism (17) is arranged between the connecting rod (16) and the mounting cylinder (15).

5. A device for the continuous blow molding of plastic bags according to claim 4, characterized in that, The positioning mechanism (17) is composed of a spring (18), a spherical ball clamping block (19) and a plurality of clamping grooves (20), and the two ends of the spring (18) are fixedly connected with the spherical ball clamping block (19) and the connecting rod (16) respectively.

6. A device for the continuous blow molding of plastic bags according to claim 5, characterized in that, The side surface of the connecting rod (16) is provided with a receiving cavity (21), and the spring (18) and the spherical ball clamping block (19) are located in the receiving cavity (21).

7. A device for the continuous blow molding of plastic bags according to claim 6, characterized in that, The diameter of the inner wall space of the mounting cylinder (15) and the diameter of the receiving cavity (21) are greater than the diameter of the connecting rod (16) and the diameter of the spherical ball clamping block (19) respectively.

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