CN217023121U - Magnesium sulfate automatic packaging machine - Google Patents

Abstract

The utility model belongs to the field of magnesium sulfate packaging equipment, and particularly relates to an automatic magnesium sulfate packaging machine, which comprises: the device comprises a discharging machine main body, a support, a discharging pipe, a weighing clamping arm, a conveying belt and a sealing mechanism, wherein two pre-clamping mechanisms for pre-clamping a packaging bag are symmetrically installed at the bottom end of the discharging machine main body, and the two pre-clamping mechanisms are located on two sides of the discharging pipe; personnel establish the wrapping bag open end cover with earlier on the discharging pipe, and place the gripper mechanism inboard in advance in both sides respectively with the both sides of wrapping bag open end, make the side of wrapping bag open end be located between two centre gripping boxes of corresponding one side, under the effect of negative pressure, the wrapping bag is adsorbed on the centre gripping box, make personnel loosen after the hand, vacant wrapping bag can not drop, at this moment, personnel can withdraw the arm, then restart the centre gripping arm of weighing and fix the wrapping bag centre gripping on the discharging pipe, the centre gripping arm of weighing can not cause the clamp to hinder to personnel's arm, the security is higher.

Description

Magnesium sulfate automatic packaging machine

Technical Field

The utility model relates to the field of magnesium sulfate packaging equipment, in particular to an automatic magnesium sulfate packaging machine.

Background

Magnesium sulfate, or anhydrous magnesium sulfate and magnesium sulfate heptahydrate, is a magnesium-containing compound, and anhydrous magnesium sulfate is a common chemical reagent and a drying reagent, but magnesium sulfate is often referred to as magnesium sulfate heptahydrate because it is not easily dissolved, is easier to weigh than anhydrous magnesium sulfate, facilitates quantitative control in industry, and needs to be dispensed by using an automatic powder packaging machine when packaging the magnesium sulfate.

When wrapping bag was established to current powder automatic packaging machine at the cover, need when the hand-held wrapping bag of personnel, the centre gripping arm of weighing presss from both sides tightly fixedly to the wrapping bag, and personnel's arm is nearer apart from the centre gripping arm of weighing, and the centre gripping arm of weighing causes the clamp easily to hinder to personnel's arm. Accordingly, those skilled in the art have provided an automatic magnesium sulfate packing machine to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic magnesium sulfate packaging machine to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an automatic magnesium sulfate packaging machine comprises:

the discharging machine comprises a discharging machine main body, a support and a discharging pipe, wherein the discharging machine main body is used for feeding materials, a support for supporting is fixed at the bottom end of the discharging machine main body, the discharging pipe is fixed at the bottom end of the discharging machine main body and used for discharging materials, and a weighing clamping arm for clamping and weighing materials is installed at the bottom end of the discharging machine main body;

the conveying belt for conveying the packaging bags is positioned below the discharging machine main body;

the sealing mechanism for sealing the packaging bags is arranged on one side of the conveyor belt, which is far away from the discharging machine main body;

wherein, two fixture in advance that are used for centre gripping wrapping bag are installed to the bottom symmetry of ejection of compact machine main part, two fixture is located in advance the discharging pipe both sides, fixture includes gooseneck, conveyer pipe and two centre gripping boxes in advance, the top of gooseneck is fixed in the ejection of compact machine main part to be connected with outside air exhaust equipment, the conveyer pipe is fixed the bottom of gooseneck, two the top of centre gripping box all is fixed with the connecting pipe, two the centre gripping box all through the connecting pipe with conveyer pipe fixed connection, and two the mutual symmetrical arrangement of centre gripping box, two a plurality of gas pocket has all been seted up to the side that the centre gripping box corresponds each other.

As a still further scheme of the utility model: the bottom of centre gripping box all inclines to be fixed with the deflector, just the deflector is mutual symmetrical arrangement.

As a still further scheme of the utility model: the bottom of deflector all integrated into one piece has the arc portion.

As a still further scheme of the utility model: the clamping box is made of stainless steel.

As a still further scheme of the utility model: the distance between the two symmetrical clamping boxes is less than 0.5 cm.

As a still further scheme of the utility model: the sealing mechanism is fixedly provided with a supporting plate for supporting the packaging bags, and the length direction of the supporting plate is parallel to the conveying direction of the conveying belt.

As a still further scheme of the utility model: one side surface of the supporting plate corresponding to the conveyor belt is coated with a lubricating layer for reducing friction force.

Compared with the prior art, the utility model has the beneficial effects that:

when personnel establish the wrapping bag cover on the discharging pipe and via the centre gripping arm centre gripping of weighing when fixed, personnel establish the wrapping bag open end cover on the discharging pipe earlier, and place the fixture inboard in advance in both sides respectively with the both sides of wrapping bag open end, make the side of wrapping bag open end be located between two centre gripping boxes of corresponding one side, under the effect of negative pressure, the wrapping bag is adsorbed on the centre gripping box, through two fixture adsorption in advance, make personnel loosen after the hand, vacant wrapping bag can not drop, at this moment, personnel can withdraw the arm, then restart the centre gripping arm of weighing and fix the wrapping bag centre gripping on the discharging pipe, the centre gripping arm of weighing can not cause the clamp to hinder to personnel's arm, the security is higher.

Drawings

FIG. 1 is a schematic structural view of an automatic magnesium sulfate packaging machine;

FIG. 2 is a schematic structural diagram of a pre-clamping mechanism in an automatic magnesium sulfate packaging machine;

FIG. 3 is a schematic view of a clamping box in an automatic magnesium sulfate packing machine;

fig. 4 is a schematic structural view of a supporting plate in the magnesium sulfate automatic packaging machine.

In the figure: 1. a discharging machine main body; 11. a support; 12. a discharge pipe; 13. a weighing and clamping arm; 2. a conveyor belt; 3. a pre-clamping mechanism; 301. air holes; 31. a gooseneck; 32. a delivery pipe; 33. a clamping box; 331. a connecting pipe; 34. a guide plate; 341. a circular arc portion; 4. a sealing mechanism; 41. a support plate; 42. and a lubricating layer.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, an automatic magnesium sulfate packing machine includes:

the discharging machine comprises a discharging machine main body 1, a support 11 for supporting is fixed at the bottom end of the discharging machine main body 1, a discharging pipe 12 for discharging is fixed at the bottom end of the discharging machine main body 1, and a weighing clamping arm 13 for clamping and weighing is installed at the bottom end of the discharging machine main body 1;

a conveyor belt 2 for conveying the packaging bags is positioned below the discharging machine main body 1;

the sealing mechanism 4 for sealing the packaging bag is arranged on one side of the conveyor belt 2, which is far away from the discharging machine main body 1;

wherein, two fixture 3 in advance that are used for centre gripping wrapping bag are installed to the bottom symmetry of ejection of compact machine main part 1, two fixture 3 in advance are located discharging pipe 12 both sides, fixture 3 includes gooseneck 31 in advance, conveyer pipe 32 and two centre gripping boxes 33, the top of gooseneck 31 is fixed on ejection of compact machine main part 1, and be connected with outside air exhaust equipment, the bottom at gooseneck 31 is fixed to conveyer pipe 32, the top of two centre gripping boxes 33 all is fixed with connecting pipe 331, two centre gripping boxes 33 all are through connecting pipe 331 and conveyer pipe 32 fixed connection, and the mutual symmetrical arrangement of two centre gripping boxes 33, a plurality of gas pocket 301 has all been seted up to the side that two centre gripping boxes 33 correspond each other.

In the embodiment, the working principle of the discharging machine main body 1, the discharging pipe 12, the weighing clamping arm 13, the conveying belt 2 and the sealing mechanism 4 is the same as that of the existing powder packaging machine, when in use, the packaging bag is sleeved on the discharging pipe 12, the weighing clamping arm 13 clamps and fixes the packaging bag on the discharging pipe 12, the discharging machine main body 1 discharges magnesium sulfate into the packaging bag through the discharging pipe 12, after the weighing clamping arm 13 detects that the filling weight meets the requirement, the discharging machine main body 1 stops discharging, the weighing clamping arm 13 loosens, the packaging bag filled with magnesium sulfate falls onto the conveying belt 2 under the action of gravity, the packaging bag is conveyed to the sealing mechanism 4 through the conveying belt 2, the sealing mechanism 4 seals the packaging bag, when a person sleeves the packaging bag on the discharging pipe 12 and clamps and fixes the packaging bag through the weighing clamping arm 13, the person firstly sleeves the opening end of the packaging bag on the discharging pipe 12, two sides of the opening end of the packaging bag are respectively placed at the inner sides of the pre-clamping mechanisms 3 at two sides, so that the side edge of the opening end of the packaging bag is positioned between the two clamping boxes 33 at the corresponding side, at the moment, an external air pumping device continuously pumps air in the clamping boxes 33 through the gooseneck 31, the conveying pipe 32 and the connecting pipe 331, so that a plurality of air holes 301 of the clamping boxes 33 are always in a negative pressure state, when the packaging bag is placed between the two clamping boxes 33, the packaging bag is adsorbed on the clamping boxes 33 under the action of the negative pressure, and the empty packaging bag cannot fall off after a person loosens the hands through the adsorption action of the two pre-clamping mechanisms 3, at the moment, the person can withdraw the arm, then the weighing and clamping arm 13 is started to clamp and fix the packaging bag on the discharging pipe 12, the weighing and clamping arm 13 cannot cause clamping injury to the arm of the person, the safety is high, when the packaging bag falls off, is slidingly disengaged from the gripper box 33.

In fig. 2: the bottom of centre gripping box 33 all inclines to be fixed with deflector 34, and deflector 34 is mutual symmetrical arrangement, and when placing the wrapping bag between two centre gripping boxes 33, deflector 34 leads the wrapping bag for placing of wrapping bag is comparatively easy, and the even integrated into one piece in bottom of deflector 34 has arc portion 341, when placing the wrapping bag between two centre gripping boxes 33, and arc portion 341 can not cause the fish tail to wrapping bag or personnel's hand.

In fig. 1, 2 and 3: the clamping box 33 is made of stainless steel, so that the clamping box is not easy to rust and cannot cause rust pollution to the packaging bag.

In fig. 2: the distance between the two symmetrical clamping boxes 33 is less than 0.5cm, and when the packaging bag is placed between the two clamping boxes 33, the packaging bag can be effectively adsorbed by the negative pressure generated at the air holes 301 on the clamping boxes 33.

In fig. 1: the sealing mechanism 4 is fixed with a supporting plate 41 used for supporting the packaging bags, the length direction of the supporting plate 41 is parallel to the conveying direction of the conveyor belt 2, when the conveyor belt 2 conveys the packaging bags filled with magnesium sulfate, the supporting plate 41 assists in supporting the packaging bags, and the packaging bags are placed to be toppled.

In fig. 1 and 4: one side surface of the supporting plate 41 corresponding to the conveyor belt 2 is coated with a lubricating layer 42 for reducing friction force, the lubricating layer 42 is made of polytetrafluoroethylene, the surface friction coefficient of the lubricating layer 42 is extremely low, when the supporting plate 41 supports the packaging bag, the sliding friction force between the packaging bag and the lubricating layer 42 is small, and the packaging bag cannot topple over due to overlarge friction force.

The working principle of the utility model is as follows: when the magnesium sulfate packaging machine is used, a packaging bag is sleeved on a discharging pipe 12, the weighing clamping arm 13 clamps and fixes the packaging bag on the discharging pipe 12, magnesium sulfate is discharged into the packaging bag through the discharging pipe 12 by a discharging machine main body 1, after the weighing clamping arm 13 detects that the filling weight meets the requirement, the discharging machine main body 1 stops discharging, the weighing clamping arm 13 is loosened, the packaging bag filled with the magnesium sulfate falls onto a conveying belt 2 under the action of gravity, the packaging bag is conveyed to a sealing mechanism 4 through the conveying belt 2, the sealing mechanism 4 seals the packaging bag, when a person sleeves the packaging bag on the discharging pipe 12 and clamps and fixes the packaging bag through the weighing clamping arm 13, the person firstly sleeves the open end of the packaging bag on the discharging pipe 12 and respectively places two sides of the open end of the packaging bag on the inner sides of pre-clamping mechanisms 3 on two sides, so that the side edges of the open end of the packaging bag are positioned between two clamping boxes 33 on the corresponding sides, at this moment, outside air exhaust equipment passes through gooseneck 31, conveyer pipe 32 and connecting pipe 331 continue to extract the inside gas of centre gripping box 33, make a plurality of gas pocket 301 of centre gripping box 33 be in the negative pressure state all the time, when the wrapping bag is placed between two centre gripping boxes 33, under the effect of negative pressure, the wrapping bag is adsorbed on centre gripping box 33, through two gripper mechanism 3 adsorption in advance, make personnel loosen after the hand, vacant wrapping bag can not drop, at this moment, personnel can withdraw the arm, then restart and weigh clamping arm 13 and fix the wrapping bag centre gripping on discharging pipe 12, it can not cause the clamp wound to personnel's arm to weigh clamping arm 13, the security is higher, when the wrapping bag canning finishes the whereabouts, slide with centre gripping box 33 and break away from.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims (7)

1. An automatic magnesium sulfate packaging machine is characterized by comprising:

the discharging machine comprises a discharging machine main body (1) used for supplying materials, wherein a support (11) used for supporting is fixed at the bottom end of the discharging machine main body (1), a discharging pipe (12) used for discharging is fixed at the bottom end of the discharging machine main body (1), and a weighing clamping arm (13) used for clamping and weighing is installed at the bottom end of the discharging machine main body (1);

a conveyor belt (2) for conveying the packaging bags is positioned below the discharging machine main body (1);

a sealing mechanism (4) for sealing the packaging bag is arranged on one side of the conveyor belt (2) far away from the discharging machine main body (1);

wherein two pre-clamping mechanisms (3) used for pre-clamping the packaging bag are symmetrically arranged at the bottom end of the discharging machine main body (1), the two pre-clamping mechanisms (3) are positioned at two sides of the discharging pipe (12), the pre-clamping mechanism (3) comprises a gooseneck (31), a conveying pipe (32) and two clamping boxes (33), the top end of the gooseneck (31) is fixed on the discharging machine main body (1), and is connected with external air extraction equipment, the delivery pipe (32) is fixed at the bottom end of the gooseneck (31), the top ends of the two clamping boxes (33) are both fixed with a connecting pipe (331), the two clamping boxes (33) are both fixedly connected with the delivery pipe (32) through the connecting pipe (331), and two the mutual symmetrical arrangement of centre gripping box (33), two a plurality of gas pocket (301) have all been seted up to the side that centre gripping box (33) correspond each other.

2. The automatic magnesium sulfate packing machine as claimed in claim 1, wherein the bottom ends of the clamping boxes (33) are obliquely fixed with guide plates (34), and the guide plates (34) are arranged symmetrically.

3. The automatic magnesium sulfate packing machine as claimed in claim 2, wherein the bottom ends of the guide plates (34) are integrally formed with circular arcs (341).

4. The automatic magnesium sulfate packing machine according to claim 1, wherein the clamping box (33) is made of stainless steel.

5. The automatic magnesium sulfate packing machine according to claim 1, wherein the distance between two symmetrical clamping boxes (33) is less than 0.5 cm.

6. The magnesium sulfate automatic packaging machine according to claim 1, characterized in that a supporting plate (41) for supporting the packaging bag is fixed on the sealing mechanism (4), and the length direction of the supporting plate (41) and the conveying direction of the conveyor belt (2) are parallel to each other.

7. The magnesium sulfate automatic packaging machine according to claim 6, characterized in that the side of the support plate (41) corresponding to the conveyor belt (2) is coated with a lubricating layer (42) for reducing friction.

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