阅读说明：本技术 一种咬口模式可变换的抓纸排机构 (Paper grabbing row mechanism with changeable seaming modes ) 是由 姜华 于 2018-09-13 设计创作，主要内容包括：本发明涉及一种咬口模式可变换的抓纸排机构,包括,抓纸排体、弹性上压片、下支撑片和夹紧片,通过上述部件的不同组合方式可形成：上咬口式抓纸排和下咬口式抓纸排；抓纸排体的两侧一体成型设有延伸边,抓纸排体的两侧设有贯穿插槽,弹性上压片横向插入于贯穿插槽中,其固定端通过夹紧片固定在抓纸排体的两侧中其中一侧的延伸边上,其抓取端通过下支撑片固定在另一侧的延伸边上,形成下咬口式抓纸排；或者,弹性上压片的固定端通过夹紧片直接固定于抓纸排体的两侧中其中一侧的延伸边上,其抓取端通过下支撑片固定于另一侧的延伸边上,形成上咬口式抓纸排。与现有技术相比,本发明具有成本低,通用性强,安装操作简便等优点。(The invention relates to a paper grabbing row mechanism with a changeable seaming mode, which comprises a paper grabbing row body, an elastic upper pressing sheet, a lower supporting sheet and a clamping sheet, wherein the paper grabbing row mechanism can be formed by different combination modes of the components: an upper jaw type paper grabbing row and a lower jaw type paper grabbing row; the two sides of the paper grabbing row body are integrally formed with extending edges, the two sides of the paper grabbing row body are provided with penetrating slots, the elastic upper pressing sheet is transversely inserted into the penetrating slots, the fixed end of the elastic upper pressing sheet is fixed on the extending edge of one of the two sides of the paper grabbing row body through the clamping sheet, and the grabbing end of the elastic upper pressing sheet is fixed on the extending edge of the other side through the lower supporting sheet to form a lower seam type paper grabbing row; or the fixed end of the elastic upper pressing sheet is directly fixed on the extending edge of one side of the two sides of the paper grabbing row body through the clamping sheet, and the grabbing end of the elastic upper pressing sheet is fixed on the extending edge of the other side through the lower supporting sheet to form the upper seam type paper grabbing row. Compared with the prior art, the invention has the advantages of low cost, strong universality, simple and convenient installation and operation, and the like.)

1. A paper grabbing row mechanism with a changeable biting mode comprises a paper grabbing row body (1), an elastic upper pressing sheet (2), a lower supporting sheet (3) and a clamping sheet (4), and is characterized in that the paper grabbing row mechanism can be formed by different combination modes of the components: an upper jaw type paper grabbing row and a lower jaw type paper grabbing row;

the paper grabbing device is characterized in that extending edges are integrally formed on two sides of the paper grabbing row body (1), through slots (11) are formed in two sides of the paper grabbing row body (1), the elastic upper pressing sheet (2) is transversely inserted into the through slots (11), a fixed end (21) of the elastic upper pressing sheet (2) is fixed on the extending edge of one of the two sides of the paper grabbing row body (1) through the clamping sheet (4), and a grabbing end (22) of the elastic upper pressing sheet (2) is fixed on the extending edge of the other of the two sides of the paper grabbing row body (1) through the lower supporting sheet (3) to form a lower seam type paper grabbing row;

or the fixed end (21) of the elastic upper pressing sheet (2) is directly fixed on the extending edge of one of the two sides of the paper grabbing row body (1) through the clamping sheet (4), and the grabbing end (22) of the elastic upper pressing sheet (2) is fixed on the extending edge of the other of the two sides of the paper grabbing row body (1) through the lower supporting sheet (3) to form an upper seam type paper grabbing row.

2. A nip mode-switchable gripper bar mechanism according to claim 1, characterized in that a spacer (6) is provided between the fixed end (21) of the elastic upper pressing plate (2) and the extending edge of the gripper bar body (1) for preventing the elastic upper pressing plate (2) from being deformed by an external force.

3. A jaw mode convertible gripper bar mechanism according to claim 2, wherein said spacer (6) is provided with threaded holes for assisting in securing the securing ends (21) of said resilient upper press plate (2).

4. A bite-pattern convertible gripper bar mechanism according to claim 1, wherein said gripping flaps (4) are provided with threaded holes for assisting in securing the securing ends (21) of said resilient upper pressing flaps (2).

5. A bite mode convertible gripper bar mechanism according to claim 1, wherein said lower support piece (3) is provided with support feet, and said gripping end (22) of said elastic upper pressing piece (2) is fixed to said extended edge of said gripper bar body (1) through said support feet.

6. A jaw mode convertible gripper bar mechanism according to claim 5 wherein said support legs are 2 in number.

7. A jaw mode convertible gripper bar mechanism according to claim 1, wherein said number of through slots (11) is at least 1 pair.

8. A jaw mode convertible gripper bar mechanism according to any one of claims 1 to 5, characterized in that said resilient upper blade (2) is a resilient upper blade of 65Mn spring steel.

9. A bite-pattern changeable gripper bar mechanism according to claim 1 or 5, wherein said lower support sheet (3) is a lower support sheet of carbon steel.

10. A jaw mode convertible gripper bar mechanism according to any one of claims 1, 2 and 5, characterized in that said gripper bar body (1) is of aluminium alloy.

Technical Field

The invention relates to the field of printing machines, in particular to a paper grabbing row mechanism with a changeable nip mode.

Background

The paper grabbing row is a special accessory used on mechanical equipment such as a printing machine, a die cutting machine and the like, and is mainly used for grabbing and conveying a single sheet material such as paper, PVC, PE and the like, the common paper grabbing row is generally shown as a first paper grabbing row and a second paper grabbing row, wherein the first paper grabbing row is called as a lower jaw type, the second paper grabbing row is called as an upper jaw type, the two paper grabbing rows are respectively suitable for grabbing and conveying different sheet materials, the lower jaw type is suitable for thin and soft sheet materials, and the upper jaw type is suitable for hard, stiff and sheet materials with certain absorption among each other.

Therefore, the conventional paper grasping and discharging mechanism has poor versatility, and thus has many parts, and the parts of the paper grasping and discharging mechanisms are not uniform for each model, which increases the cost, and makes the replacement of parts troublesome when necessary maintenance is performed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a gripper bar mechanism with a changeable nip mode.

The purpose of the invention can be realized by the following technical scheme:

a paper grabbing row mechanism with a changeable seaming mode comprises a paper grabbing row body, an elastic upper pressing sheet, a lower supporting sheet and a clamping sheet, and can be formed by different combination modes of the components: an upper jaw type paper grabbing row and a lower jaw type paper grabbing row;

the paper grabbing device comprises a paper grabbing row body, an elastic upper pressing sheet, a clamping sheet and a lower clamping sheet, wherein extending edges are integrally formed on two sides of the paper grabbing row body, penetrating slots are formed in two sides of the paper grabbing row body, the elastic upper pressing sheet is transversely inserted into the penetrating slots, the fixed end of the elastic upper pressing sheet is fixed on the extending edge on one of the two sides of the paper grabbing row body through the clamping sheet, and the grabbing end of the elastic upper pressing sheet is fixed on the extending edge on the other of the two sides of the paper grabbing row body through the lower supporting sheet to form a lower-seam-type paper grabbing row;

or the fixed end of the elastic upper pressing sheet is directly fixed on the extending edge of one of the two sides of the paper grabbing row body through the clamping sheet, and the grabbing end of the elastic upper pressing sheet is fixed on the extending edge of the other of the two sides of the paper grabbing row body through the lower supporting sheet to form an upper seam type paper grabbing row.

Preferably, a cushion block is arranged between the fixed end of the elastic upper pressing sheet and the extending edge of the paper grabbing row body, and is used for preventing the elastic upper pressing sheet from deforming due to external force.

Preferably, the cushion block is provided with a threaded hole for assisting in fixing the fixed end of the elastic upper pressing sheet.

Preferably, the clamping piece is provided with a threaded hole for assisting in fixing the fixed end of the elastic upper pressing piece.

Preferably, the lower support plate is provided with support legs, and the grabbing end of the elastic upper pressing plate is fixed on the extending edge of the paper grabbing row body through the support legs.

Preferably, the number of the supporting feet is 2.

Preferably, the number of the through slots is at least 1 pair.

Preferably, the elastic upper pressing piece is made of 65Mn spring steel.

Preferably, the lower support sheet is made of carbon steel.

Preferably, the paper grabbing row body is made of aluminum alloy.

Compared with the prior art, the invention has the following advantages:

(1) through set up the slot that runs through that is used for transversely running through spring upper press plate on grabbing the paper row body, and then make whole paper row mechanism of grabbing can follow the upper portion bite type and warp for the lower part bite type and grab paper row mechanism, saved many unnecessary parts, the part is unified and then the cost is reduced.

(2) Through setting up the extension limit in grabbing both sides integrated into one piece on the paper row body, the installation is fixed more portably, and commonality expansibility obtains strengthening.

(3) The performance of whole paper row structure of grabbing is strengthened through preforming and the bottom suspension fagging of carbon steel material in the elasticity that adopts 65Mn spring steel material, and actual centre gripping effect is good, and the article scope that can grab is wider.

(4) The paper grabbing row body is made of aluminum alloy, so that the weight of the whole structure is reduced, and the equipment is more convenient to carry.

Drawings

FIG. 1 is a schematic diagram of the lower nip type gripper mechanism;

FIG. 2 is a schematic diagram of the upper nip type gripper mechanism;

FIG. 3 is a schematic view of an embodiment of the present invention adjusted to an upper nip gripper bar mechanism;

FIG. 4 is a schematic view of the mechanism of the present invention adjusted to a lower nip type gripper bar mechanism;

the reference numbers illustrate:

1 is a paper grabbing row body; 11 is a through slot; 2, elastic upper tabletting; 21 is a fixed end of the elastic upper pressing sheet; 22 is the grabbing end of the elastic upper pressing sheet; 3 is a lower support sheet; 4 is a clamping piece; 5 is a screw; and 6 is a cushion block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

As shown in fig. 3 and 4, a detailed structural diagram of the paper grasping row mechanism with changeable nip mode of the present invention is shown, which comprises a paper grasping row body 1, an elastic upper pressing sheet 2, a lower supporting sheet 3 and a clamping sheet 4, and can be formed by different combinations of the above components: an upper jaw type paper grabbing row and a lower jaw type paper grabbing row;

the two sides of the paper grabbing row body 1 are integrally formed to be provided with extending edges, the two sides of the paper grabbing row body 1 are provided with penetrating slots 11, the elastic upper pressing sheet 2 is transversely inserted into the penetrating slots 11, the number of the penetrating slots 11 is at least 1 pair, a fixed end 21 of the elastic upper pressing sheet 2 is fixed on the extending edge of one of the two sides of the paper grabbing row body 1 through a clamping sheet 4, and a grabbing end 22 of the elastic upper pressing sheet 2 is fixed on the extending edge of the other of the two sides of the paper grabbing row body 1 through a lower supporting sheet 3 to form a lower seam type paper grabbing row;

alternatively, the fixed end 21 of the elastic upper pressing sheet 2 is directly fixed on the extending edge of one of the two sides of the paper grabbing row body 1 through the clamping sheet 4, and the grabbing end 22 of the elastic upper pressing sheet 2 is fixed on the extending edge of the other of the two sides of the paper grabbing row body 1 through the lower supporting sheet 3, so as to form an upper nip type paper grabbing row.

Among two kinds of above bite mode, be equipped with cushion 6 in the space that the stiff end 21 of preforming 2 and the extension limit of grabbing paper row body 1 formed because of the difference in height along vertical direction in the elasticity, be used for preventing preforming 2 in the elasticity is because of external force deformation, be equipped with the screw hole on cushion 6, be used for the supplementary fixed elasticity in the lower part of stiff end 21 of preforming 2, also be equipped with the screw hole on pressing from both sides tight piece 4, an upper portion for supplementary fixed elasticity goes up the stiff end 21 of preforming 2, be equipped with the supporting legs on the bottom suspension fagging 3, its number is 2, the end 22 that snatchs of preforming 2 is fixed in the extension edge of grabbing paper row body 1 through the supporting legs in the elasticity, preforming 2 is the elastic top suspension fagging of 65Mn spring steel material in the elasticity, bottom suspension fagging 3 is the lower back piece of carbon.

The specific principle of the invention is as follows:

the combined mode shown in the third drawing is the upper-jaw type paper grabbing row mechanism, the same parts are assembled according to the fourth drawing, the elastic upper pressing sheet 2 extends out of the paper grabbing row body 1 through a transverse through groove in the middle of the paper grabbing row body, the lower supporting sheet 3 is arranged on the lower portion of the paper grabbing row body 1 in turn, the elastic upper pressing sheet 2 extends out of the middle of two supporting legs of the lower supporting sheet 3 and presses on the lower supporting sheet 3 to form a jaw, and other parts are assembled as shown in the fourth drawing, so that the lower-jaw type paper grabbing row mechanism is formed.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.