阅读说明：本技术 一种粉料自动上袋机用密封夹袋器 (Automatic bag machine sealing bag holder of going up of powder ) 是由 王世民 马进 于 2021-08-12 设计创作，主要内容包括：本发明提供一种粉料自动上袋机用密封夹袋器,包括夹袋筒身,所述夹袋筒身中间贯穿开设有料道,以供粉料沿所述料道流动；所述夹袋筒身两侧沿第一方向对称设置有中间夹钳机构,两组所述中间夹钳机构能够从两侧将包装袋贴合压紧在所述夹袋筒身上；所述夹袋筒身两侧沿第二方向对称设置有边缘夹钳机构,两组所述边缘夹钳机构能够将所述包装袋两端夹紧闭合后贴合于所述夹袋筒身的下料口；所述夹袋筒身上安装有防尘罩,用于防止跑粉、漏风。该粉料自动上袋机用密封夹袋器通过中间夹钳机构和边缘夹钳机构分别从包装袋中间两侧和两端将包装袋贴合压紧在下料口上,保证粉料在落料过程中,不会产生漏粉、跑粉的现象。(The invention provides a sealing bag holder for an automatic powder bagging machine, which comprises a bag holding cylinder body, wherein a material channel is arranged in the middle of the bag holding cylinder body in a penetrating manner so as to allow powder to flow along the material channel; two sides of the bag clamping cylinder body are symmetrically provided with middle clamp mechanisms along a first direction, and the two groups of middle clamp mechanisms can attach and press the packaging bags on the bag clamping cylinder body from two sides; two sides of the bag clamping cylinder body are symmetrically provided with edge clamping mechanisms along a second direction, and two groups of edge clamping mechanisms can clamp and close two ends of the packaging bag and then attach the two ends of the packaging bag to a feed opening of the bag clamping cylinder body; the dust cover is arranged on the bag clamping barrel body and used for preventing powder leakage and air leakage. This automatic bag machine of going up of powder is with sealed bag holder passes through middle clamp mechanism and edge clamp mechanism and compresses tightly the wrapping bag laminating on the feed opening from both sides and both ends in the middle of the wrapping bag respectively, guarantees that the powder can not produce the phenomenon of leaking the powder, running the powder at the blanking in-process.)

1. A sealing bag holder for an automatic powder bagging machine is characterized by comprising a bag holding cylinder body (1), wherein a material channel (101) penetrates through the middle of the bag holding cylinder body (1) to allow powder to flow along the material channel (101);

two sides of the bag clamping cylinder body (1) are symmetrically provided with middle clamp mechanisms (2) along a first direction, and the two groups of middle clamp mechanisms (2) can attach and press the packaging bags on the bag clamping cylinder body (1) from two sides;

edge clamping mechanisms (3) are symmetrically arranged on two sides of the bag clamping cylinder body (1) along a second direction, and two groups of edge clamping mechanisms (3) can clamp and close two ends of the packaging bag and then attach to a feed opening (102) of the bag clamping cylinder body (1);

the second direction is perpendicular to the first direction;

and the bag clamping barrel body (1) is provided with a dust cover (4) for preventing powder leakage and air leakage.

2. The sealing bag-clamping device for the automatic powder bagging machine according to claim 1,

the middle clamp mechanism (2) comprises a clamp arm cylinder (201), a T-shaped frame (202) and a sealing clamp arm (203); the first end of the T-shaped frame (202) is rotatably connected with a piston rod of the clamping arm cylinder (201), the second end of the T-shaped frame is fixedly connected with the sealing clamping arm (203), and the third end of the T-shaped frame is rotatably connected with the bag clamping barrel body (1) through a T-shaped frame seat (204).

3. The sealing bag-clamping device for the automatic powder bagging machine according to claim 2,

the first end and the second end are located on the same straight line, and the third end is perpendicular to the straight line where the first end and the second end are located.

4. The sealing bag-clamping device for the automatic powder bagging machine according to claim 2,

the stiff end of arm lock cylinder (201) pass through arm lock cylinder tailstock (205) with press from both sides bag stack shell (1) and rotate the connection, the flexible linear motion of arm lock cylinder (201), through T type frame (202) convert rotary motion into, drive sealed arm lock (203) are close to press from both sides bag stack shell (1).

5. The sealing bag-clamping device for the automatic powder bagging machine according to claim 2,

the contact part of the sealing clamping arm (203) and the bag clamping barrel body (1) is provided with an arc groove matched with the bag clamping barrel body (1), and an elastic cushion is arranged in the arc groove.

6. The sealing bag-clamping device for the automatic powder bagging machine according to claim 1,

the edge clamping mechanism (3) comprises parallel connecting rods (301), a clamping block assembly (302) and a stretching cylinder (303);

one end of the parallel connecting rod (301) is connected with the clamping block assembly (302) through a clamping block fixing block (304), and the other end of the parallel connecting rod is fixedly connected to a fixing connecting plate (5) at the top of the bag clamping cylinder body (1) through a parallel connecting rod seat (305);

the stiff end of tensile cylinder (303) with fixed connection board (5) are connected, the tailpiece of the piston rod with parallel connecting rod (301) are connected, are used for promoting parallel connecting rod (301) and connected clamp splice subassembly (302) rotate.

7. The sealing bag-clamping device for the automatic powder bagging machine according to claim 6,

the clamp block assembly (302) comprises a first clamp block (3021) and a second clamp block (3022) which are arranged in opposite directions, the first clamp block (3021) and the second clamp block (3022) are slidably connected with the clamp block fixing block (304), a clamp block air cylinder (305) is further arranged in the clamp block fixing block (304), a piston rod of the clamp block air cylinder (305) is connected with the first clamp block (3021) and the second clamp block (3022) through a connecting rod, and the first clamp block (3021) and the second clamp block (3022) are pushed to be close to or away from each other.

8. The sealing bag-clamping device for the automatic powder bagging machine according to claim 7,

the surfaces of the first clamping block (3021) and the second clamping block (3022) which are contacted with each other are processed with sawtooth patterns matched with each other;

first clamp splice (3021) with second clamp splice (3022) laminating back with the contact surface processing of pressing from both sides bag stack shell (1) have with press from both sides bag stack shell (1) assorted arc groove, just be provided with the cushion in the arc groove, further improve sealed effect.

9. The sealing bag-clamping device for the automatic powder bagging machine according to claim 1,

the bag clamping barrel body (1) consists of an outer barrel (103) and an inner barrel (104) which are sleeved, an exhaust channel (105) is formed between the outer barrel (103) and the inner barrel (104), and the bottom of the exhaust channel is communicated with the atmosphere;

the inner cylinder (104) is provided with a filter plate (106) communicated with the exhaust channel (105) and used for filtering powder in the bag clamping cylinder body (1) during exhaust.

10. The sealing bag-clamping device for the automatic powder bagging machine according to claim 9,

the top of the dust cover (4) is provided with an air release opening (6) for connecting a negative pressure source, and the air release opening (6) is communicated with the exhaust channel (105) and used for forming negative pressure in the exhaust channel (105) and exhausting air in the inner barrel (104);

the side wall of the dust cover (4) is provided with a dust removal opening (7) for connecting a negative pressure source, and when the packaging bag falls down, the floating powder is sucked out.

Technical Field

The invention belongs to the technical field of automatic packaging, and particularly relates to a sealing bag clamping device for an automatic powder bagging machine.

Background

When the automatic bag feeding machine is widely applied to the automatic packaging field of the industries of grain, food, chemical engineering and the like, the automatic bag feeding machine realizes automatic bag feeding of packaging bags by utilizing the cooperation of a mechanical joint, a pneumatic element and a control system, replaces manual bag sleeving, and greatly improves the packaging efficiency.

However, most of bag holders applied to an automatic bag feeding machine at present are particle packaging bag holders which can automatically feed bags, sleeve bags and package particle materials, but when powder materials are packaged, the bag holders and the packaging bags are connected and clamped tightly but not sealed, so that in the blanking process, a large amount of dust leaks out of gaps, powder waste is caused, the working environment of a workshop is polluted, and the health of operators is damaged.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a sealing bag clamping device for an automatic powder bagging machine, which solves the problems of poor sealing, powder leakage and powder leakage of the existing bag clamping device. The technical scheme adopted by the invention is as follows:

a sealed bag clamping device for an automatic powder bagging machine comprises a bag clamping cylinder body, wherein a material channel is formed in the middle of the bag clamping cylinder body in a penetrating mode so that powder can flow along the material channel;

two sides of the bag clamping cylinder body are symmetrically provided with middle clamp mechanisms along a first direction, and the two groups of middle clamp mechanisms can attach and press the packaging bags on the bag clamping cylinder body from two sides;

two sides of the bag clamping cylinder body are symmetrically provided with edge clamping mechanisms along a second direction, and two groups of edge clamping mechanisms can clamp and close two ends of the packaging bag and then attach the two ends of the packaging bag to a feed opening of the bag clamping cylinder body;

the second direction is perpendicular to the first direction;

the dust cover is arranged on the bag clamping barrel body and used for preventing powder leakage and air leakage.

Further, the middle clamp mechanism comprises a clamp arm cylinder, a T-shaped frame and a sealing clamp arm; the first end of the T-shaped frame is rotatably connected with a piston rod of the clamping arm cylinder, the second end of the T-shaped frame is fixedly connected with the sealing clamping arm, and the third end of the T-shaped frame is rotatably connected with the bag clamping barrel body through a T-shaped frame seat.

Furthermore, the first end and the second end are located on the same straight line, and the third end is perpendicular to the straight line where the first end and the second end are located.

Furthermore, the stiff end of arm lock cylinder pass through arm lock cylinder tailstock with it rotates to be connected to press from both sides the bag stack shell, the flexible linear motion of arm lock cylinder, through rotary motion is converted into to T type frame, drives sealed arm lock is close to press from both sides the bag stack shell.

Furthermore, arc grooves matched with the bag clamping cylinder body are machined in the contact parts of the sealing clamp arms and the bag clamping cylinder body, and elastic pads are arranged in the arc grooves.

Further, the edge clamping mechanism comprises parallel connecting rods, a clamping block assembly and a stretching cylinder;

one end of the parallel connecting rod is connected with the clamping block assembly through a clamping block fixing block, and the other end of the parallel connecting rod is fixedly connected to a fixed connecting plate at the top of the bag clamping barrel body through a parallel connecting rod seat;

the stiff end of stretching cylinder with fixed connection plate connects, the tailpiece of the piston rod with parallel connecting rod connects, is used for promoting parallel connecting rod and the clamp splice subassembly of being connected rotates rather than.

Furthermore, the clamp splice subassembly is including the first clamp splice and the second clamp splice that set up in opposite directions, first clamp splice with the second clamp splice with clamp splice fixed block sliding connection, still be provided with the clamp splice cylinder in the clamp splice fixed block, the piston rod of clamp splice cylinder with first clamp splice with the second clamp splice passes through the connecting rod and connects, is used for promoting first clamp splice with the second clamp splice is close to each other or keeps away from each other.

Furthermore, the surfaces of the first clamping block and the second clamping block, which are contacted with each other, are provided with sawtooth patterns matched with each other;

the first clamping block and the second clamping block are attached to each other and then contact surfaces of the bag clamping cylinder body are processed with arc grooves matched with the bag clamping cylinder body, and elastic pads are arranged in the arc grooves.

Further, the bag clamping barrel body consists of an outer barrel and an inner barrel which are sleeved, an exhaust channel is formed between the outer barrel and the inner barrel, and the bottom of the bag clamping barrel body is communicated with the atmosphere;

the inner cylinder is provided with a filter plate communicated with the exhaust passage and used for filtering powder in the bag clamping cylinder body during exhaust.

Furthermore, the top of the dust cover is provided with an air release port for connecting a negative pressure source, and the air release port is communicated with the exhaust channel and used for forming negative pressure in the exhaust channel and discharging air in the inner cylinder;

the side wall of the dust cover is provided with a dust removal opening for connecting a negative pressure source, and when the packaging bag falls down, the floating powder is sucked out.

The invention has the advantages that:

1) this automatic bag machine of going up of powder is with sealed bag holder passes through middle clamp mechanism and edge clamp mechanism and compresses tightly the wrapping bag laminating on the feed opening from both sides and both ends in the middle of the wrapping bag respectively, guarantees that the powder can not produce the phenomenon of leaking the powder, running the powder at the blanking in-process.

2) The sealing bag clamping device for the automatic powder bagging machine is novel and reasonable in design, stable in movement, precise in control, tight in clamping action and high in sealing degree.

Drawings

FIG. 1 is a schematic structural diagram of a sealing bag clamp for an automatic powder bagging machine according to an embodiment of the invention.

FIG. 2 is a front view of a sealing bag-clamping device for an automatic powder bagging machine according to an embodiment of the invention.

FIG. 3 is a schematic view of the internal structure of a sealing bag-clamping device for an automatic powder bagging machine according to an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a middle clamp mechanism of a sealing bag clamp for an automatic powder bagging machine according to an embodiment of the invention.

FIG. 5 is a schematic structural diagram of an edge clamping mechanism of a sealing bag holder for an automatic powder bagging machine according to an embodiment of the invention.

FIG. 6 is a cross-sectional view of a bag clamping cylinder of a sealing bag clamping device for an automatic powder bagging machine according to an embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the sealing bag holder for the automatic powder bagging machine according to the embodiment of the invention comprises a bag holding cylinder 1, wherein a material channel 101 is formed in the middle of the bag holding cylinder 1 in a penetrating manner so that powder can flow along the material channel 101; two sides of the bag clamping cylinder body 1 are symmetrically provided with middle clamp mechanisms 2 along a first direction, and the two groups of middle clamp mechanisms 2 can attach and press the packaging bags on the bag clamping cylinder body 1 from two sides; the two sides of the bag clamping barrel body 1 are symmetrically provided with edge clamping mechanisms 3 along a second direction, the two groups of edge clamping mechanisms 3 can clamp and close the two ends of the packaging bags and then attach to the material outlet 102 of the bag clamping barrel body 1, the material outlet 102 is oval, compared with the material outlet in the traditional direction, the bag opening of the packaging bag is more attached, an elastic sealing ring is sleeved at the clamping position of the outer wall of the material outlet 102, and when the material outlet is pressed tightly, the elastic sealing ring is stressed and sunken, so that the sealing property can be further improved; the second direction is perpendicular to the first direction; and the bag clamping barrel body 1 is provided with a dust cover 4 for preventing powder leakage and air leakage.

Specifically, as shown in fig. 4, the intermediate clamping mechanism 2 includes a clamping arm cylinder 201, a T-shaped frame 202 and a sealing clamping arm 203; a first end of the T-shaped frame 202 is rotatably connected with a piston rod of the clamping arm cylinder 201, a second end of the T-shaped frame is fixedly connected with the sealing clamping arm 203, and a third end of the T-shaped frame is rotatably connected with the bag clamping barrel body 1 through a T-shaped frame seat 204, wherein the first end and the second end are positioned on the same straight line, and the third end is perpendicular to the straight line where the first end and the second end are positioned; the stiff end of arm lock cylinder 201 pass through arm lock cylinder tailstock 205 with it connects to press from both sides bag stack shell 1 and rotate, the flexible linear motion of arm lock cylinder 201, through T type frame 202 converts rotary motion into, drives sealed arm lock 203 is close to press from both sides bag stack shell 1, will sealed arm lock 203 with the wrapping bag laminating between the clamp bag stack shell 1 compresses tightly on the feed opening 102 of clamp bag stack shell 1.

Further, sealed arm lock 203 with the 1 contact site of pressing from both sides the bag stack shell all process with 1 assorted arc groove of pressing from both sides the bag stack shell, just be provided with the cushion in the arc groove (this cushion can be made by cowhells, rubber or elastic plastic), further improve sealed effect.

Specifically, as shown in fig. 3 and 5, the edge clamping mechanism 3 includes parallel links 301, a clamping block assembly 302 and a stretching cylinder 303; one end of the parallel connecting rod 301 is connected with the clamping block assembly 302 through a clamping block fixing block 304, and the other end of the parallel connecting rod 301 is fixedly connected to a fixing connecting plate 5 at the top of the bag clamping cylinder body 1 through a parallel connecting rod seat 305; the fixed end of the stretching cylinder 303 is connected with the fixed connecting plate 5, the end of the piston rod is connected with the parallel connecting rod 301, and the piston rod is used for pushing the parallel connecting rod 301 and the clamping block assembly 302 connected with the parallel connecting rod to rotate.

Further, the clamp block assembly 302 comprises a first clamp block 3021 and a second clamp block 3022 which are arranged opposite to each other, the first clamp block 3021 and the second clamp block 3022 are slidably connected with the clamp block fixing block 304, a clamp block air cylinder 305 is further arranged in the clamp block fixing block 304, and a piston rod of the clamp block air cylinder 305 is connected with the first clamp block 3021 and the second clamp block 3022 through a connecting rod for pushing the first clamp block 3021 and the second clamp block 3022 to approach to each other or move away from each other; the surfaces of the first clamp block 3021 and the second clamp block 3022, which are in contact with each other, are provided with sawtooth patterns matched with each other, so that the mouth of the packaging bag can be clamped when the packaging bag is closed; first clamp splice 3021 with second clamp splice 3022 laminating back with the contact surface processing of pressing from both sides bag stack shell 1 have with press from both sides bag stack shell 1 assorted circular arc groove, just be provided with the cushion in the circular arc groove (this cushion can be made by cowhells, rubber or elastic plastic), further improve sealed effect.

Specifically, as shown in fig. 1 and fig. 6, the bag-clamping barrel body 1 is composed of an outer barrel 103 and an inner barrel 104 which are sleeved, an exhaust channel 105 is formed between the outer barrel 103 and the inner barrel 104, and the bottom of the exhaust channel is communicated with the atmosphere; the inner cylinder 104 is provided with a filter plate 106 communicated with the exhaust passage 105, and a nano-grade filter titanium plate can be used for filtering powder in the bag-clamping cylinder body 1 during exhaust.

Further, the top of the dust cover 4 is provided with an air outlet 6 and connected with a negative pressure source, the air outlet 6 is communicated with the exhaust channel 105 and used for forming negative pressure in the exhaust channel 105 and exhausting air in the inner cylinder 104, and the purpose of exhausting air is to prevent powder from floating under the action of airflow; the side wall of the dust cover 4 is provided with a dust removal opening 7 and is connected with a negative pressure source for sucking out scattered powder when the packaging bag falls down.

When the device is used, firstly, the bag opening of a packaging bag is sleeved at the position of the elastic sealing ring of the feed opening 102, then, two groups of clamping arm cylinders 201 are started to push the sealing clamping arms 203 to attach the two sides in the middle of the packaging bag and tightly press and connect the packaging bag on the elastic sealing ring of the feed opening 102, then, two groups of clamping block cylinders 305 are started to push the clamping block assemblies 302 to clamp the two ends of the packaging bag, after the packaging bag is closed, two groups of stretching cylinders 303 are started to push the clamping block assemblies 302 and the packaging bag clamped by the clamping block assemblies to attach the feed opening 102 from the two ends, so that the opening of the packaging bag is hermetically connected with the feed opening 102, then, powder enters the packaging bag through the feed opening 102 along the feed channel 101, partial air still exists in the feed channel 101 and the packaging bag, and can form air flow in the feed channel 101 to cause powder leakage or powder leakage, and at the moment, the negative pressure device connected with the degassing opening 6 is started, air in the material channel 101 is filtered by the filter plate 106 and then discharged through negative pressure; after bagging, the edge clamp mechanism 3 and the middle clamp mechanism 2 are sequentially loosened, the packaging bag falls under the action of gravity, and a small amount of powder lifted at the bag opening is sucked out through the negative pressure device of the dust removal opening 7.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.