TWM619386U - Bag-expansion claws for bulk bag - Google Patents

Abstract

A bag holding jaw for a container bag, comprising: a ring-shaped body, a main support is formed on the top surface of the ring-shaped body, a first finger and a second finger are turned to opposite directions from the top of the main support The top surface of the annular body is adjacent to the two sides of the main pillar and extends upward to form a third pillar and a fourth pillar. The top end of the third pillar turns and extends to form a third finger claw. The top ends of the four pillars are turned and extended to form a fourth finger claw; the second finger claw, the third finger claw, and the fourth finger claw extend in a radial arrangement. The automatic bagging machine stretches upwards and expands the opening and the bag body of the container bag. At this time, the telescopic shafts of the four hydraulic cylinders simultaneously drive the four bag holding jaws to move upward. In the process, the second finger and the second finger One, two or all of the three finger claws and the fourth finger claw touch the bag body and level up along the bag body; at the same time the first finger claw, the second finger claw, the third finger claw and the fourth finger claw One, two, three or all of the finger claws push up the drooping ears to form an abducted ring shape, thereby solving the problem of sagging and wrinkling of the bag body due to the drooping of the bulk bag ears in the prior art The problem of uneven folding.

Description

Bag holding jaws for bulk bags

This creation is related to the FIBC, more specifically, it is a supporter that supports the lifting lugs of the FIBC.

Container bag, also known as ton bag or space bag, is a kind of container unit equipment. It is a flexible transport packaging container. It is widely used for packaging or unpackaged powder, granule, block materials and other items, which are combined into one An enlarged packaging unit that is convenient for loading, unloading, handling and transportation.

Figures 1 to 2 describe the general shape of the FIBC, Figure 1 depicts the folded state of the FIBC, and Figure 2 depicts the stretched and expanded state of the FIBC. It includes a bag body 10, the top center of the bag body 10 is sewn with a cylindrical bag mouth 11, the bag mouth 11 can have a circular or rectangular contour, and the periphery of the bag mouth 11 is sewn with four flexible clips 12. A lifting lug 13 is sewn on each of the four corners of the bag body 10. Forklifts and lifting equipment use lifting lugs 13 to lift and move the container bag full of materials.

When filling materials, the automatic bagging machine 16 can clamp the four clips 12, stretch the bag mouth 11 and the bag body 10 upwards, and set the bag mouth 11 on the feeding mechanism of a filling mechanism. The mouth of the tube (not shown in the figure) is used to fill the bag body 10 with materials. However, when the mouth 11 and the bag body 10 are stretched upwards, the four lifting ears 13 appear irregularly drooping, and due to the folding and stacking of the container bag, the lifting ears 13 may be folded and deformed, so the lifting The direction, shape, and angle of the ear drop may be different.

The drooping ears 13 have a negative effect on the stretching and expansion of the bag body 10. As shown in Figure 3, the focal point for the expansion of the container bag is at the bag mouth 11 and the four clips 12, the bag body 10 is freely stretched upwards without attachment, and the lifting lugs 13 The sagging weight will drag the upper part (or top surface) of the bag body 10 to sag and buckle, resulting in difficulty in flattening during stretching and expansion, or even a skewed state, which will hinder the smoothness of feeding and also cause feeding into the bag. uneven.

In order to solve the above-mentioned problems, this creation provides a container bag supporting bag clamping jaw.

The technical feature of this creation: A bag holding jaw for a container bag, comprising: a ring-shaped body, a main pillar is formed on the top surface of the ring-shaped body, a first finger and a second finger are connected from the main pillar Each of the top ends turns to extend in opposite directions; the top surface of the ring-shaped body extends upward to form a third pillar and a fourth pillar at adjacent positions on both sides of the main pillar, and the top end of the third pillar turns and extends to form a third pillar Finger claw, the top end of the fourth pillar turns and extends to form a fourth finger claw; the second finger claw, the third finger claw, and the fourth finger claw extend in a radial arrangement.

Preferably, the main pillar, the third pillar, and the fourth pillar form an included angle with a horizontal line passing through the top surface of the annular body, and the included angle is 90 degrees.

Preferably, the outer angle of the connecting and turning of the first finger claw and the main pillar is between 60 and 70 degrees; the inner angle of the connecting and turning of the second finger claw and the main pillar, the third finger and the third finger The connecting turning internal angle of the pillar and the connecting turning internal angle of the fourth finger claw and the fourth pillar are both 125-135 degrees.

Preferably, the lengths of the third finger claw and the fourth finger claw are equal and greater than the lengths of the first finger claw and the second finger claw; the length of the first finger claw is greater than the length of the second finger claw.

Preferably, the included angle between the second finger claw and the third finger claw is between 20 and 30 degrees; the The included angle between the second finger claw and the fourth finger claw is between 20 and 30 degrees.

Preferably, the open ends of the first finger claw, the second finger claw, the third finger claw and the fourth finger claw are all shaped into a ball shape.

The purpose of this creation:

Four bag-holding jaws are matched with four sets of hydraulic cylinders. Each bag-holding jaw is sleeved and fixed to the telescopic shaft of the hydraulic cylinder with a ring-shaped body. The first finger, the second finger, and the third finger The claw and the first finger claw face upward, and the second finger claw, the third finger claw, and the fourth finger claw face the container bag. Based on the length, extension direction, and angle of the first finger claw, the second finger claw, the third finger claw, and the fourth finger claw, at least one finger claw can contact the bag body and the lifting lug. The automatic bagging machine stretches upwards and expands the opening and the bag body of the container bag. At this time, the telescopic shafts of the four hydraulic cylinders are simultaneously extended upwards. During the process, the second finger claw, the third finger claw, and the fourth finger One, two or all of the finger claws touch the bag body and level up along the bag body; at the same time, one or the other of the first finger claw, the second finger claw, the third finger claw and the fourth finger claw 2. The third or all of the hanging ears are pushed up to make them an abducted ring shape, so as to solve the problem of the bag body sagging, wrinkles and unevenness due to the weight and traction force of the hanging ears described in the previous technology. The problem is that the bag mouth and the bag body are fully stretched, flattened, and not skewed, so that the material can be fed smoothly and the material is fed evenly in the bag.

<Prior Art>

10: Bag body

11: Cylindrical bag mouth

12: Clipping piece

13: Lifting ears

14: Suction cup

15: Fixture

16: automatic bagging machine

<First embodiment of this creation>

20: Bag holding jaws

21: Ring body

211: Threaded keyhole

22: main pillar

23: The third pillar

24: Fourth Pillar

31: First finger

32: second finger claw

33: Third Finger

34: Fourth Finger

40: hydraulic cylinder

41: Telescopic shaft

A1: included angle

A2: Outer corner

A3: Outer corner

A4: inner corner

A5: inner corner

A6: included angle

A7: included angle

H1: horizontal line

L1: Length of the first finger

L2: Length of the second finger

L3: Length of the third finger

L4: Length of the fourth finger

P: working position

<The second embodiment of the present creation>

50: bag holding jaw

51: The first pillar

52: The second pillar

53: The third pillar

54: Fourth Pillar

55: Ring body

551: Threaded keyhole

61: First finger claw

62: Second Finger

63: Third Finger

64: Fourth Finger

A10: included angle

A11: included angle

A12: inner corner

A13: inner corner

A14: included angle

A15: included angle

H2: horizontal line

L11: Length of first finger

L21: Length of the second finger

L31: Length of the third finger

L41: Length of the fourth finger

[Figure 1] The folded appearance of the conventional container bag.

[Figure 2] The drawing of the stretched and expanded appearance of the conventional container bag.

[Figure 3] A plan view of the conventional container bag stretched and expanded.

[Figure 4] A first perspective three-dimensional appearance view of the first embodiment of the bag-supporting clamping jaw of the present creation.

[Figure 5] A second perspective three-dimensional external view of the first embodiment of the bag-holding gripper of the present creation.

[Figure 6] The side view of the first embodiment of the bag-holding gripper of the invention.

[Figure 7] The top view of the first embodiment of the bag-holding gripper of the invention.

[Figure 8] One of the schematic diagrams of the action of the first embodiment of the bag-holding gripper of the present creation.

[Figure 9] The second embodiment of the action schematic diagram of the first embodiment of the creative bag holding jaw.

[FIG. 10] is a top view of FIG. 9.

[Figure 11] Figure 10 is an enlarged view of the circled part.

[Figure 12] The third schematic diagram of the action of the first embodiment of the creative bag holding jaw.

[Figure 13] The top view of the second embodiment of the bag-holding gripper of the invention.

[Figure 14] The side view of the second embodiment of the present invention to support the bag to claw.

In order to facilitate the description of the central idea of the creation in the column of the above-mentioned new content, specific examples are used to express it. The various objects in the embodiments are drawn according to the scale, size, deformation or displacement suitable for illustration, rather than drawn according to the actual component ratio. In the following description, the same and symmetrically configured elements are represented by the same number, and directional terms are used, which are represented according to the view direction, and cannot be construed as a restriction on this creation. The terms "first", "second", and "third" are only used to describe elements, and cannot be understood as indicating or implying relative importance or order.

As shown in Figures 4 to 7, the first embodiment of the bag holding jaw 20 of the container bag of the present invention includes a ring-shaped body 21 which is radially provided with a plurality of threaded locking holes 211; the ring-shaped body 21 The top surface of the main support 22 extends upward to form a main pillar 22, and a first finger claw 31 and a second finger 32 extend from the top of the main support 22 in opposite directions. The top surface of the annular body 21 is adjacent to the two sides of the main pillar 22 and extends upward to form a third pillar 23 and a fourth pillar 24. The third pillar 23 A third finger 33 is formed by turning and extending the top end, and a fourth finger 34 is formed by bending and extending the top end of the fourth pillar 24. The second finger claw 32, the third finger claw 33, and the fourth finger claw 34 extend in a radial arrangement.

The lengths L3 and L4 of the third finger claw 33 and the fourth finger claw 34 are equal and greater than the lengths L1 and L2 of the first finger claw 31 and the second finger claw 32. The length L1 of the first finger claw 31 is greater than the length L2 of the second finger claw 32.

The main pillar 22, the third pillar 23, and the fourth pillar 24 form an included angle A1 with a horizontal line H1 passing through the surface of the annular body 21, and the included angle A1 is 90 degrees. The outer angle A2 of the connecting and turning angle of the first finger 31 and the main pillar 22 is between 60 and 70 degrees, preferably 67 degrees. The external angle A3 at which the second finger claw 32 is connected to the main pillar 22 is between 40 and 50 degrees, preferably 42 degrees. The connecting turning internal angle A4 of the third finger 33 and the third pillar 23 is between 125 and 135 degrees, preferably 132 degrees. The connecting turning internal angle A5 of the fourth finger 34 and the fourth pillar 24 is 125 to 135 degrees, preferably 132 degrees.

The included angle A6 between the second finger claw 32 and the third finger claw 33 extending radially is between 20 and 30 degrees, preferably 25 degrees. The included angle A7 between the second finger claw 32 and the fourth finger claw 34 extending radially is between 20 and 30 degrees, preferably 25 degrees.

The open ends of the first finger claw 31, the second finger claw 32, the third finger claw 33 and the fourth finger claw 34 are all shaped into a ball shape.

As shown in Fig. 8 to Fig. 12, the use and action method of the claw 20 of the present invention for supporting the bag are described.

As shown in Figures 8 and 10, four bag holding jaws 20 are used to correspond to the four lifting ears 13 of the FIBC. The container bag is the same as that described in the prior art, including a bag body 10, a cylindrical bag mouth 11 sewn in the center of the top of the bag body 10, the bag mouth 11 can be a circular outline or a rectangular outline, the bag mouth 11 Surrounding room Four clamping pieces 12 are provided in the seam of the partition. A lifting lug 13 is sewn on each of the four corners of the bag body 10.

The four bag holding jaws 20 are matched with four sets of hydraulic cylinders 40, and each bag holding jaw 20 is sleeved on the shaft end of the telescopic shaft 41 of the hydraulic cylinder 40 with a ring body 21, and a screw element (not shown) The threaded locking hole 211 of the ring body 21 is inserted and locked to fix the ring body 21 to the shaft end of the telescopic shaft 41. And the first finger claw 31, the second finger claw 32, the third finger claw 33, and the fourth finger claw 34 face upward, the second finger claw 32, the third finger claw 33, and the fourth finger claw The claw 34 faces the container bag. The four sets of hydraulic cylinders 40 can be driven by a linear moving device (not shown) to reciprocate between a working position P (position shown in FIGS. 8 to 10) and a rest position (not shown). The resting position of the four groups of hydraulic cylinders 40 and the linear movement distance and direction from the resting position to the working position P are correspondingly changed according to the machine environment of the automatic bagging machine, which is not limited in this creation.

The FIBC is initially folded as shown in FIG. As shown in Figure 8, the automatic bag loading machine moves upward to stretch the opening 11 and the bag body 10 of the container bag upward to a predetermined length. At this time, the four sets of hydraulic cylinders 40 move to the working position P. The second finger claw 32, the third finger claw 33, and the fourth finger claw 34 are located under the lifting lug 13, one of the second finger claw 32, the third finger claw 33, and the fourth finger claw 34 , Or two, or all contact the bag body 10.

The contact of the second finger claw 32, the second finger claw 32 and the fourth finger claw 34 with the bag body 10 and the lifting ear 13 depends on the shape of the bag body 10 and the lifting ear 13. Due to folding and stacking, the bag body 10 is in an uneven state when it is stretched upward, and the directions, shapes, and angles of the four hanging ears 13 may be different. The length, extension direction, angle and other conditions of the first finger claw 31, the second finger claw 32, the third finger claw 33, and the fourth finger claw 34 in this creation are all so that at least one finger claw can contact the bag body 10. And lug 13. However, if all the fingers touch the bag body 10 The lifting ear 13 is the best situation, but basically depends on the situation of the bag body 10 and the lifting ear 13.

Next, as shown in Figure 9, the automatic bag loading machine continues to stretch the bag opening 11 and the bag body 10 upward, and the telescopic shafts 41 of the four hydraulic cylinders 40 extend upward simultaneously. As shown in Figures 9 to 11, in the process of stretching and expanding the bag mouth 11 and the bag body 10, one, two or all of the second finger claw 32, the third finger claw 33, and the fourth finger claw 34 are in contact with each other The bag body 10 is leveled up along the bag body 10; the ball shape of the open ends of the first finger claw 31, the second finger claw 32, the third finger claw 33 and the fourth finger claw 34 can protect the bag body 10 and The lifting lug 13 is not scratched.

At the same time, one, two, three or all of the first finger claw 31, the second finger claw 32, the third finger claw 33, and the fourth finger claw 34 push up the hanging ear 13 to make it abduct. The ring shape solves the problem that the bag body 10 sags and buckles due to the hanging weight and traction force of the hanging ears 13 described in the prior art. As shown in FIG. 9, the bag mouth 11 and the bag body 10 are fully stretched and expanded, and the material can be fed into the bag body 10. Based on the assistance of the bag holding jaw 20, the bag body 10 is stretched, expanded, flattened, and not skewed, and the material is fed smoothly and the material is fed evenly in the bag.

As shown in Figure 12, after the feeding is completed, the entire bag body 10 is in an expanded state. At this time, the automatic bag loading machine retracts from the clamping piece 12, and the telescopic shafts 41 of the four hydraulic cylinders 40 retract to make the bag supporting jaws 20 leaves the lifting lug 13, and the four hydraulic cylinders 40 return to the rest position so that the transfer machine can move the container bag away.

Figures 13 and 14 show the second embodiment of the creative bag-holding gripper, which is a configuration change of the aforementioned first embodiment.

The second embodiment of the holding jaw 50 of the container bag of the present invention includes a ring-shaped body 55, the ring-shaped body 55 is radially provided with a plurality of threaded locking holes 551; the top surface of the ring body 55 extends upwardly. A pillar 51 and a second pillar 52, the first pillar 51 and the second pillar 52 each extend in opposite directions When extending, a first finger 61 and a second finger 62 respectively turn and extend in opposite directions from the top ends of the first pillar 51 and the second pillar 52 respectively. The top surface of the ring-shaped body 55 extends upward to form a third pillar 53 and a fourth pillar 54 adjacent to the two sides of the second pillar 52. The top end of the third pillar 53 turns and extends to form a third finger claw. 63. The top end of the fourth pillar 54 turns and extends to form a fourth finger 64. The second finger claw 62, the third finger claw 63, and the fourth finger claw 64 extend in a radial arrangement.

The first pillar 51 and a horizontal line H2 passing through the top surface of the annular body 55 form an included angle A10, and the included angle A10 is 55 to 65 degrees, preferably 61 degrees. The second pillar 52, the third pillar 53, and the fourth pillar 54 form an included angle A11 with the horizontal line H2, and the angle of arrival A11 is between 60 and 80 degrees, preferably 70 degrees.

The internal angle A12 at which the first finger 61 is connected to the first pillar 51 is 135-155 degrees, preferably 145 degrees. The internal angle A13 at which the second finger claw 62, the third finger claw 63, and the fourth finger claw 64 are connected to the second pillar 52, the third pillar 53, and the fourth pillar 54 is 120 to 140 degrees, preferably 130 degrees.

The lengths L21, L31, and L41 of the second finger claw 62, the third finger claw 63 and the fourth finger claw 64 are all shorter than the length L11 of the first finger claw 61. The length L21 of the second finger claw 62 is greater than the lengths L31 and L41 of the third finger claw 63 and the fourth finger claw 64.

The included angle A14 between the second finger claw 62 and the third finger claw 63 extending radially is between 20 and 30 degrees, preferably 30 degrees. The included angle A15 between the second finger claw 62 and the fourth finger claw 64 extending radially is between 20 and 30 degrees, preferably 30 degrees.

The open ends of the first finger claw 61, the second finger claw 62, the third finger claw 63 and the fourth finger claw 64 are all shaped into a ball shape.

The use and action of the bag holding jaw 50 of the second embodiment are the same as those of the first embodiment.

20: Bag holding jaws

21: Ring body

211: Threaded keyhole

22: main pillar

23: The third pillar

24: Fourth Pillar

31: First finger

32: second finger claw

33: Third Finger

34: Fourth Finger

Claims (9)

A bag holding jaw for a container bag, comprising: a ring-shaped body, a main support is formed on the top surface of the ring-shaped body, a first finger and a second finger are turned to opposite directions from the top of the main support The top surface of the annular body is adjacent to the two sides of the main pillar and extends upward to form a third pillar and a fourth pillar. The top end of the third pillar turns and extends to form a third finger claw. The top ends of the four pillars are turned and extended to form a fourth finger claw; the second finger claw, the third finger claw, and the fourth finger claw extend in a radial arrangement. The bag holding claw of a container bag according to claim 1, wherein the main pillar, the third pillar, and the fourth pillar form an included angle with a horizontal line passing through the top surface of the annular body, and the included angle is 90 degrees. The bag holding jaw of a container bag according to claim 2, wherein the outer angle of the connecting and turning angle of the first finger claw and the main pillar is between 60 and 70 degrees; The internal angle, the connection turning internal angle of the third finger claw and the third pillar, and the connection turning internal angle of the fourth finger claw and the fourth pillar are all between 125 and 135 degrees. According to claim 3, the bag holding jaw of a container bag, wherein the lengths of the third finger and the fourth finger are equal and greater than the lengths of the first finger and the second finger; the first finger The length of the claw is greater than the length of the second finger claw. The bag holding jaw of a container bag according to claim 4, wherein the angle between the second finger and the third finger is 20 to 30 degrees; the second finger and the fourth finger The included angle is between 20 and 30 degrees. According to claim 1, the open ends of the first finger claw, the second finger claw, the third finger claw and the fourth finger claw are all shaped into a ball shape. The bag holding jaw of a container bag according to claim 1, wherein the annular body is radially provided with a plurality of threaded locking holes, and the annular body is sleeved and locked on the shaft of a telescopic shaft of a hydraulic cylinder end. A bag holding jaw for a container bag, comprising: a ring-shaped body, the top surface of the ring-shaped body extends upwards with a first pillar and a second pillar, the first pillar and the second pillar each extend in opposite directions; A first finger claw and a second finger claw extend in opposite directions from the top ends of the first pillar and the second pillar respectively: the top surface of the ring-shaped body is adjacent to the two sides of the second pillar and upward A third pillar and a fourth pillar are formed by extension. The top end of the third pillar is turned and extended to form a third finger claw. The top end of the fourth pillar is turned and extended to form a fourth finger claw; The three-finger claws and the fourth finger claws extend in a radial arrangement; the angle between the first pillar and a horizontal line passing through the top surface of the annular body is between 55 and 65 degrees; the second pillar and the fourth finger The angle between the three pillars and the fourth pillar and the horizontal line is between 60 and 80 degrees; the internal angle at which the first finger claw is connected to the first pillar is between 135 and 155 degrees; the second finger claw, The internal angles at which the third finger claw, the fourth finger claw and the second pillar, the third pillar, and the fourth pillar connect and turn are between 120 and 140 degrees; the second finger claw and the third finger claw The angle between the second finger and the fourth finger is between 20 and 30 degrees, and the angle between the second finger and the fourth finger is between 20 and 30 degrees; The length is shorter than the length of the first finger claw; the length of the second finger claw is greater than the length of the third finger claw and the fourth finger claw. According to claim 8, the open ends of the first finger claw, the second finger claw, the third finger claw, and the fourth finger claw are all shaped into a ball shape.

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