Automatic adjusting device for grooved roller

Abstract

The utility model aims to disclose an automatic grooved roller adjusting device, which relates to the technical field of paper bag forming and comprises a first grooved roller, a second grooved roller, a third grooved roller, a fourth grooved roller, a first hanging plate and a second hanging plate which are arranged in parallel. The first hanging plate is provided with a plurality of first sliding rails, and the second hanging plate is provided with a plurality of second sliding rails; the first fixing block is matched with the first lead screw, and the second fixing block is matched with the second lead screw. The first screw rod is driven by a first speed reduction reverser, the second screw rod is driven by a second speed reduction reverser, a connecting shaft is arranged between the first speed reduction reverser and the second speed reduction reverser, and the connecting shaft is driven by a speed reduction motor. The first hanging plate and the second hanging plate are driven to move synchronously, then the first groove roller, the second groove roller, the third groove roller and the fourth groove roller are driven to move synchronously, and the relative positions of the groove rollers and the corresponding cutter rollers are rapidly adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of paper bag forming, in particular to an automatic groove roller adjustment device. Background Art

[0002] Valve bags are bags used for packaging. They have the characteristics of large capacity, good sealing, and corrosion resistance. Therefore, they are widely used in chemical, food, medicine and other fields. With the development of economy and the advancement of science and technology, the valve bag industry has broad prospects. As the pre-process of valve bags, the barrel making machine is generally a situation of multiple varieties, small batches, and uncertain specifications of barrel bags. Frequent replacement of bag length specifications is the norm. In order to meet different needs, the traditional replacement specifications are adjusted manually, which is easy to hit the knife and damage the knife. There are unsafe factors, frequent trial production, time-consuming and labor-intensive, slow replacement speed, and many unstable factors, which restrict the development of production efficiency.

[0003] In the published patent CN117227259A, an automatic diameter-changing device for step cutting and flat cutting of bag making machine is disclosed. In order to adapt to different bag lengths, an automatic diameter-changing cutter is designed. When the cutter roller changes diameter, how to make the groove roller matching the cutter roller to adjust the position accordingly is an industry problem that needs to be overcome.

[0004] In view of this, there is an urgent need to develop an automatic groove roller adjustment device to solve the above technical problems. Summary of the invention

[0005] The utility model aims to disclose an automatic adjustment device for grooved rollers.

[0006] To achieve the above-mentioned purpose of the invention, the utility model provides an automatic groove roller adjustment device, comprising a first groove roller, a second groove roller, a third groove roller, a fourth groove roller arranged in parallel, and a first hanging plate and a second hanging plate arranged at both ends of the first groove roller, the second groove roller, the third groove roller and the fourth groove roller;

[0007] The first hanging plate is provided with a plurality of first slide rails, the second hanging plate is provided with a plurality of second slide rails, and the first slide rails and the second slide rails are parallel to each other;

[0008] A first supporting plate is arranged on the top of the first hanging plate, and a first fixing block is installed on the first supporting plate; a second supporting plate is arranged on the top of the second hanging plate, and a second fixing block is installed on the second supporting plate;

[0009] The first fixing block cooperates with the first screw rod, and the second fixing block cooperates with the second screw rod;

[0010] The first screw rod is driven by a first reduction commutator, the second screw rod is driven by a second reduction commutator, a connecting shaft is arranged between the first reduction commutator and the second reduction commutator, and the connecting shaft is driven by a reduction motor.

[0011] Preferably, the first hanging plate is in the shape of an integrated support plate formed by a first C-shaped plate, a second C-shaped plate and a third C-shaped plate, and the second hanging plate is in the shape of an integrated support plate formed by a first C-shaped plate, a second C-shaped plate and a third C-shaped plate;

[0012] The second C-shaped plate is located between the first C-shaped plate and the third C-shaped plate. The first C-shaped plate and the third C-shaped plate face the same direction, while the first C-shaped plate and the second C-shaped plate face opposite directions.

[0013] Preferably, a first groove roller is arranged at the top of the first C-shaped plate, a second groove roller is arranged at the connection point between the first C-shaped plate and the second C-shaped plate, a third groove roller is arranged at the connection point between the second C-shaped plate and the third C-shaped plate, and a fourth groove roller is arranged at the bottom of the third C-shaped plate.

[0014] Preferably, a first proximity switch and a second proximity switch are provided on one side of the top of the first hanging plate.

[0015] Preferably, a code disc is provided at the end of the connecting shaft.

[0016] Preferably, an airbag assembly is provided at the connection point between the first C-shaped plate and the second C-shaped plate.

[0017] Preferably, the airbag assembly comprises a fixing plate and an airbag cylinder installed in the middle of the fixing plate, and the airbag cylinder drives the brake pad to move closer to or away from the second hanging plate through a telescopic arm.

[0018] Preferably, fixing columns are respectively arranged at the four vertices of the fixing plate, and a limiting reinforcing plate is arranged on the second hanging plate, and the brake pad and the limiting reinforcing plate cooperate to clamp the second hanging plate.

[0019] Preferably, axial fine-tuning mechanisms are respectively provided at the ends of the first grooved roller, the second grooved roller, the third grooved roller and the fourth grooved roller.

[0020] Preferably, a pneumatic rotary joint is provided on the airbag cylinder.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The first groove roller, the second groove roller, the third groove roller and the fourth groove roller are arranged between the first hanging plate and the second hanging plate. When forming the paper bag, multiple layers of materials need to be compounded, and each layer of material needs to be cut according to the set step length. Each groove roller corresponds to a single layer of material, and the single layer of material is cut by the cooperation of the cutter and the roller groove; the connecting shaft is driven to rotate by the reduction motor, and then the first screw rod and the second screw rod are driven respectively by the first reduction commutator and the second reduction commutator, so that the first screw rod and the second screw rod rotate in the same direction at the same speed, so as to realize the synchronous movement of the first hanging plate and the second hanging plate, and then drive the first groove roller, the second groove roller, the third groove roller and the fourth groove roller to move synchronously, and quickly adjust the relative positions of the groove rollers and their corresponding cutting knife rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the groove roller automatic adjustment device of the utility model.

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the groove roller automatic adjustment device of the utility model.

[0025] Figure 3 It is a three-dimensional structural schematic diagram of the airbag assembly of the utility model.

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the connecting shaft of the utility model.

[0027] Among them, 1. the first groove roller; 2. the second groove roller; 3. the third groove roller; 4. the fourth groove roller; 5. the first hanging plate; 51. the first slide rail; 52. the first support plate; 53. the first fixed block; 54. the first screw rod; 55. the first reduction commutator; 56. the first C-type plate; 57. the second C-type plate; 58. the third C-type plate; 6. the second hanging plate; 61. the second slide rail; 62. the second support plate; 63. the second fixed block; 64. the second screw rod; 65. the second reduction commutator; 7. the connecting shaft; 71. the reduction motor; 72. the encoder; 8. the first proximity switch; 9. the second proximity switch; 10. the axial fine-tuning mechanism; 11. the airbag assembly; 111. the fixed plate; 112. the airbag cylinder; 113. the telescopic arm; 114. the brake pad; 115. the pneumatic rotary joint; 116. the fixed column; 117. the limit reinforcement plate. DETAILED DESCRIPTION

[0028] The present invention is described in detail below in conjunction with the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these embodiments are all within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] The specific implementation process of the present utility model is described below through multiple embodiments.

[0031] Example 1

[0032] See also Figures 1 to 4 This embodiment discloses a specific implementation of a groove roller automatic adjustment device.

[0033] See also Figures 1 to 4 , the groove roller automatic adjustment device comprises a first groove roller 1, a second groove roller 2, a third groove roller 3, a fourth groove roller 4 arranged in parallel and a first hanging plate 5 and a second hanging plate 6 arranged at both ends of the first groove roller 1, the second groove roller 2, the third groove roller 3 and the fourth groove roller 4; the first hanging plate 5 is provided with a plurality of first slide rails 51, the second hanging plate 6 is provided with a plurality of second slide rails 61, the first slide rails 51 and the second slide rails 61 are parallel to each other; a first supporting plate 52 is arranged on the top of the first hanging plate 5, the first supporting plate 52 is installed with a first fixed block 53, a second supporting plate 62 is arranged on the top of the second hanging plate 6, and the second supporting plate 62 is installed with a second fixed block 63; the first fixed block 53 cooperates with a first screw rod 54, and the second fixed block 63 cooperates with a second screw rod 64; the first screw rod 54 is driven by a first reduction commutator 55, the second screw rod 64 is driven by a second reduction commutator 65, a connecting shaft 7 is arranged between the first reduction commutator 55 and the second reduction commutator 65, and the connecting shaft 7 is driven by a reduction motor 71.

[0034] Specifically, the valve bag is usually composed of multiple layers of materials, and each layer of material needs to be cut according to a predetermined step length. The cutting is achieved by the cooperation of the cutting roller and the groove roller. In order to meet the needs of frequent changes in the length of the valve bag, the multiple groove rollers of this embodiment need to be synchronously adjusted in position to cooperate with the adjusted cutting roller. To this end, the first groove roller 1, the second groove roller 2, the third groove roller 3, and the fourth groove roller 4 are arranged between the first hanging plate 5 and the second hanging plate 6; the adjustment principle is as follows: the connecting shaft 7 is driven to rotate by the reduction motor 71, and then the first screw rod 54 and the second screw rod 64 are driven respectively by the first reduction commutator 55 and the second reduction commutator 65, so that the first screw rod 54 and the second screw rod 64 rotate in the same direction at the same speed, so that the first screw rod 54 and the second screw rod 64 drive the first hanging plate 5 and the second hanging plate 6 to move synchronously, and then drive the first groove roller 1, the second groove roller 2, the third groove roller 3, and the fourth groove roller 4 to move synchronously, and quickly adjust the relative positions of the groove rollers and their corresponding cutting rollers.

[0035] See also Figure 1 , Figure 2 and Figure 4 In order to ensure that the first groove roller 1, the second groove roller 2, the third groove roller 3, and the fourth groove roller 4 move synchronously in the same direction, four pairs of linear slide rails are arranged on the first hanging plate 5 and the second hanging plate 6, and each pair of linear slide rails consists of a first slide rail 51 and a second slide rail 61, that is, the first hanging plate 5 is provided with a plurality of first slide rails 51, and the second hanging plate 6 is provided with a plurality of second slide rails 61. When the reduction motor 71 is started, the first hanging plate 5 and the second hanging plate 6 move synchronously and in the same direction along the linear slide rails.

[0036] See also Figure 1 and Figure 2, the first groove roller 1, the second groove roller 2, the third groove roller 3, and the fourth groove roller 4 are respectively located at different height positions. In order to realize the synchronous movement of each groove roller, the shape of the first hanging plate 5 is an integrated support plate formed by the first C-shaped plate 56, the second C-shaped plate 57 and the third C-shaped plate 58, and the shape of the second hanging plate 6 is an integrated support plate formed by the first C-shaped plate 56, the second C-shaped plate 57 and the third C-shaped plate 58. The second C-shaped plate 57 is located between the first C-shaped plate 56 and the third C-shaped plate 58. The first C-shaped plate 56 and the third C-shaped plate 58 face the same direction, while the first C-shaped plate 56 and the second C-shaped plate 57 face opposite directions; the top of the first C-shaped plate 56 is provided with The first groove roller 1, the second groove roller 3 is set at the connection point of the first C-shaped plate 56 and the second C-shaped plate 57, the third groove roller 4 is set at the connection point of the second C-shaped plate 57 and the third C-shaped plate 58, and the fourth groove roller 4 is set at the bottom of the third C-shaped plate 58; through the series connection and shape of the first C-shaped plate 56, the second C-shaped plate 57 and the third C-shaped plate 58, the first groove roller 1, the second groove roller 2, the third groove roller 3, and the fourth groove roller 4 located at different heights and positions are integrated together. When the reduction motor 71 is started, the first screw rod 54 and the second screw rod 64 rotate in the same direction at the same speed, thereby driving the first hanging plate 5 and the second hanging plate 6 to move synchronously along the four pairs of linear slide rails. Figure 1 and Figure 2 The four pairs of linear guide rails are respectively located at the top of the first C-shaped plate 56, on both sides of the connection point of the second C-shaped plate 57 and the third C-shaped plate 58, and at the bottom of the third C-shaped plate 58, so that the parts of the first hanging plate 5 and the second hanging plate 6 at different heights all move along the linear guide rails to ensure synchronization and same direction.

[0037] In order to limit the upper and lower limits of the first hanging plate 5 and the second hanging plate 6, a first proximity switch 8 and a second proximity switch 9 are set on the top side of the first hanging plate 5, the first proximity switch 8 is the lower limit setting position of the first hanging plate 5, and the second proximity switch 9 is the upper limit setting position of the first hanging plate 5; in addition, a code disk 72 is set at the end of the connecting shaft 7, and the rotation angle of the connecting shaft 7 can be identified by the code disk 72, so that the moving distance of the first hanging plate 5 and the second hanging plate 6 can be determined, and the moving distance of the first groove roller 1, the second groove roller 2, the third groove roller 3, and the fourth groove roller 4 can be measured with high precision; axial fine-tuning mechanisms 10 are respectively set at the ends of the first groove roller 1, the second groove roller 2, the third groove roller 3 and the fourth groove roller 4, and the axial fine-tuning mechanism 10 is a screw structure, and the axial positions of the first groove roller 1, the second groove roller 2, the third groove roller 3 and the fourth groove roller 4 are respectively fine-tuned by the screw structure.

[0038] See also Figures 1 to 3When the first hanging plate 5 and the second hanging plate 6 are adjusted in place, in order to further fix the first hanging plate 5 and the second hanging plate 6, an airbag assembly 11 is set at the connection point of the first C-shaped plate 56 and the second C-shaped plate 57. The airbag assembly 11 includes a fixing plate 111 and an airbag cylinder 112 installed in the middle of the fixing plate 111. The airbag cylinder 112 drives the brake pad 114 to move closer to or away from the second hanging plate 6 through a telescopic arm 113. A pneumatic rotary joint 115 is set on the airbag cylinder 112. Fixed columns 116 are respectively set at the four vertices of the fixing plate 111. The fixed columns 116 are Hexagonal equal-height columns, a limiting reinforcing plate 117 is set on the second hanging plate 6, and the brake pad 114 and the limiting reinforcing plate 117 cooperate to clamp the second hanging plate 6; when the second hanging plate 6 needs to be fixed, the airbag cylinder 112 is inflated and expanded through the pneumatic rotary joint 115, so that the telescopic arm 113 drives the brake pad 114 to approach the second hanging plate 6, so that the second hanging plate 6 is clamped between the brake pad 114 and the limiting reinforcing plate 117, and the limiting reinforcing plate 117 plays a role in cooperating, pressing and preventing the second hanging plate 6 from being compressed and deformed, thereby fixing the second hanging plate 6 in the adjusted position.

Claims

1. The groove roller automatic adjustment device is characterized by: It includes a first grooved roller, a second grooved roller, a third grooved roller, a fourth grooved roller arranged in parallel, and a first hanging plate and a second hanging plate arranged at both ends of the first grooved roller, the second grooved roller, the third grooved roller and the fourth grooved roller; The first hanging plate is provided with a plurality of first slide rails, the second hanging plate is provided with a plurality of second slide rails, and the first slide rails and the second slide rails are parallel to each other; A first supporting plate is arranged on the top of the first hanging plate, and a first fixing block is installed on the first supporting plate; a second supporting plate is arranged on the top of the second hanging plate, and a second fixing block is installed on the second supporting plate; The first fixing block cooperates with the first screw rod, and the second fixing block cooperates with the second screw rod; The first screw rod is driven by a first reduction commutator, the second screw rod is driven by a second reduction commutator, a connecting shaft is arranged between the first reduction commutator and the second reduction commutator, and the connecting shaft is driven by a reduction motor.

2. The groove roller automatic adjustment device according to claim 1, characterized in that: The first hanging plate is in the shape of an integrated support plate formed by a first C-shaped plate, a second C-shaped plate and a third C-shaped plate, and the second hanging plate is in the shape of an integrated support plate formed by a first C-shaped plate, a second C-shaped plate and a third C-shaped plate; The second C-shaped plate is located between the first C-shaped plate and the third C-shaped plate. The first C-shaped plate and the third C-shaped plate face the same direction, while the first C-shaped plate and the second C-shaped plate face opposite directions.

3. The groove roller automatic adjustment device according to claim 2, characterized in that: A first groove roller is arranged at the top of the first C-shaped plate, a second groove roller is arranged at the connection point between the first C-shaped plate and the second C-shaped plate, a third groove roller is arranged at the connection point between the second C-shaped plate and the third C-shaped plate, and a fourth groove roller is arranged at the bottom of the third C-shaped plate.

4. The groove roller automatic adjustment device according to any one of claims 1 to 3, characterized in that: A first proximity switch and a second proximity switch are disposed on one side of the top of the first hanging plate.

5. The groove roller automatic adjustment device according to any one of claims 1 to 3, characterized in that: A code disc is arranged at the end of the connecting shaft.

6. The automatic groove roller adjustment device according to claim 2 or 3, characterized in that: An airbag assembly is disposed at a connection point between the first C-shaped plate and the second C-shaped plate.

7. The automatic groove roller adjustment device according to claim 6, characterized in that: The airbag assembly includes a fixing plate and an airbag cylinder installed in the middle of the fixing plate. The airbag cylinder drives the brake pad to move closer to or away from the second hanging plate through a telescopic arm.

8. The automatic groove roller adjustment device according to claim 7, characterized in that: Fixed columns are respectively arranged at the four vertices of the fixed plate, and a limiting reinforcing plate is arranged on the second hanging plate. The brake pad and the limiting reinforcing plate cooperate to clamp the second hanging plate.

9. The groove roller automatic adjustment device according to any one of claims 1 to 3, characterized in that: Axial fine-tuning mechanisms are respectively arranged at the ends of the first grooved roller, the second grooved roller, the third grooved roller and the fourth grooved roller.

10. The groove roller automatic adjustment device according to claim 7, characterized in that: A pneumatic rotary joint is arranged on the airbag type cylinder.

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