Belt pressing mechanism suitable for carton side edge sealing equipment

Abstract

A belt pressing mechanism suitable for carton side edge sealing equipment comprises a pressing wheel assembly, a pressing elastic piece, a rotating shaft, a swing rod, a push rod, a main connecting rod, a pressing air cylinder and a pressing air cylinder adjusting assembly. The pressing air cylinder is installed on an upper wall plate of the carton side edge sealing equipment, and a telescopic rod of the pressing air cylinder is assembled with the upper end of a push rod in a hinged mode. The middle portion of the push rod is hinged to a main connecting rod, the main connecting rod is horizontally arranged in the paper workpiece conveying direction, and a plurality of sets of swing rods are hinged to the main connecting rod. The swing rods are symmetrically arranged on the front and rear sides of the push rod; the rotating shafts are fixedly assembled at the lower ends of the push rod and the swing rods; the rotating shaft penetrates through a sleeve fixed on the upper wall plate, and a pressing elastic sheet is fixedly assembled on the rotating shaft; a shaft seat of the pressing wheel assembly is fixedly connected with the pressing elastic piece. The pressing force of the paper sheet workpiece is adjusted and controlled, and the purposes of meeting the requirement for switching between the conveying state and the pressing and fixing state of the paper sheet workpiece and guaranteeing the sealing quality of the side edges of a carton are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging machinery technical field, concretely is a kind of belt pressure mechanism suitable for carton side edge sealing equipment. BACKGROUND

[0002] The working process of full-automatic carton side edge sealing equipment (such as box sticking machine, box nailing machine) includes paper sheet supply, paper sheet positioning, side edge sealing, arrangement and output and other steps, and the whole process is completed by the cooperation of precise control system and executing mechanism, so that efficient and accurate carton side edge sealing production process is realized.

[0003] The double-piece carton side edge sealing machine is a kind of equipment specially sealing the side edges of A and B paper sheets, and the workpiece transmission adopts belt conveying mode. When the workpiece is conveyed to the side edge sealing station, the front end of the paper sheet needs to be positioned, the rear end needs to be aligned, and the two sides need to be pressed in turn, and then the sealing part of the paper sheet is connected by sticking or binding. In this process, the two sides are pressed by the upper pressing belt and the lower paper conveying belt, and the pressure of the pressing belt is applied to the paper sheet workpiece. However, after the workpiece enters between the pressing belt and the paper conveying belt, it needs to be converted from the conveying state to the pressing and fixing state, so the pressing force of the pressing belt needs to be adjusted and controlled. SUMMARY

[0004] The utility model provides a kind of belt pressure mechanism suitable for carton side edge sealing equipment, it aims at the cooperation structure of pressing cylinder, push rod, main connecting rod, swing bar and pressing wheel assembly, to realize the adjustment and control to paper sheet workpiece pressing force, reach the purpose of meeting the conversion requirement of paper sheet workpiece conveying state and pressing and fixing state, guarantee carton side edge sealing quality.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of belt pressure mechanism suitable for carton side edge sealing equipment, including pressing wheel assembly, pressing spring, pivot, swing bar, push rod, main connecting rod, pressing cylinder and pressing cylinder adjusting assembly;

[0007] The pressing cylinder is installed on the upper wall plate of carton side edge sealing equipment by pressing cylinder adjusting assembly, and the telescopic rod is hingedly assembled with the upper end of push rod;

[0008] The middle part of the push rod is hingedly assembled with the main connecting rod, and the main connecting rod is horizontally arranged along the paper sheet workpiece conveying direction, and a plurality of swing bars are hingedly assembled on the main connecting rod;

[0009] The swing bars are symmetrically arranged on the front and rear sides of the push rod, and the pivot is fixedly assembled at the lower end of the push rod and the swing bar.

[0010] The rotating shaft passes through a sleeve fixed on the upper wall plate, and the compression spring is fixedly arranged on the rotating shaft;

[0011] The shaft seat of the compression wheel assembly is fixedly connected with the compression spring, the compression wheel in the compression wheel assembly cooperates with the compression belt of the carton side sealing device, and the compression wheel applies downward compression force to the compression belt.

[0012] The belt compression mechanism suitable for the carton side sealing device is provided with an adjusting assembly of the compression cylinder, which comprises an adjusting screw and an adjusting knob.

[0013] The belt compression mechanism suitable for the carton side sealing device is further provided with a flexible connecting assembly of the main connecting rod, which comprises a pull rod, a compression spring and a compression nut.

[0014] The belt compression mechanism suitable for the carton side sealing device is provided with a bearing between the rotating shaft and the sleeve fixed on the upper wall plate.

[0015] The belt compression mechanism suitable for the carton side sealing device is provided with an adjusting assembly of the compression cylinder, which comprises an adjusting screw and an adjusting knob. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the belt compression mechanism suitable for the carton side sealing device.

[0017] Figure 2 is Figure 1 K view;

[0018] Figure 3 is Figure 1 after the space is turned 180º along the vertical axis;

[0019] Figure 4 is Figure 3 K view;

[0020] Figure 5 is the compression belt, paper conveying belt cooperation schematic diagram of the utility model and carton side sealing equipment;

[0021] Figure 6 is Figure 5 M view;

[0022] Figure 7 , Figure 8 is the compression cylinder driven push rod, main connecting rod, swing rod and compression wheel action process schematic diagram.

[0023] The explanation of each mark in the figure is as follows:

[0024] 1 is the compression belt; 2 is the paper conveying belt; 3 is the compression wheel assembly; 4 is the compression spring; 5 is the rotating shaft; 6 is the upper wall plate, 6-1 is the supporting seat; 7 is the lower wall plate; 8 is the main connecting rod; 9 is the swing rod; 10 is the push rod; 11 is the compression cylinder; 12 is the adjusting screw; 13 is the adjusting knob; 14 is the compression spring; 15 is the pull rod; 16 is the compression nut; 17 is the sleeve. Specific implementation

[0025] The utility model will be further explained in combination with the drawings and specific implementation examples.

[0026] Referring to Fig. 1, Figure 2 , Figure 3 , Figure 4The utility model provides a kind of belt pressure mechanism suitable for carton side edge sealing equipment, and its preferred embodiment is suitable for full-automatic box nailing machine equipment in carton production process.In the working process of full-automatic box nailing machine, workpiece transmission adopts belt conveying mode, when workpiece is conveyed to binding work station, paper sheet front end positioning, rear end alignment, both sides pressure tightness are needed in turn, then the sealing part of paper sheet is connected in the mode of binding.In this process, both sides pressure tightness of paper sheet workpiece is completed by cooperation of upper pressure belt 1 and lower paper conveying belt 2, pressure is applied to paper sheet workpiece by pressure belt 1, because workpiece needs to complete the conversion from conveying state to pressure tightness fixed state after entering between pressure belt 1 and paper conveying belt 2, therefore pressure of pressure belt needs to be adjusted and controlled.The utility model is provided with pressure wheel assembly 3, pressure spring 4, pivot 5, swing lever 9, push rod 10, main connecting rod 8, pressure cylinder 11 and pressure cylinder adjusting assembly to realize the adjustment and control of the pressure of paper sheet workpiece.

[0027] Referring to Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 The pressure cylinder 11 of the utility model is installed on the upper wall plate 6 of carton side edge sealing equipment through pressure cylinder adjusting assembly, and the telescopic rod is hingedly assembled with the upper end of push rod 10;the pressure cylinder adjusting assembly comprises adjusting screw 12 and adjusting knob 13;one end of adjusting screw 12 is provided with hinged seat assembled with pressure cylinder 11, and adjusting knob 13 is assembled on adjusting screw 12, and adjusting screw 12 passes through two support seats 6-1 provided on upper wall plate 6 at the other end;adjusting knob 13 is located between two support seats 6-1 provided on upper wall plate 6.

[0028] Referring to Figure 4 、 Figure 6 The middle part of push rod 10 is hingedly assembled with main connecting rod 8, and main connecting rod 8 is horizontally arranged along the conveying direction of paper sheet workpiece (such as front and back direction shown in the figure), and a plurality of sets of swing lever 9 are hingedly assembled on main connecting rod 8;swing lever 9 is symmetrically arranged on the front and back sides of push rod 10, and pivot 5 is fixedly assembled at the lower end of push rod 10 and swing lever 9;pivot 5 passes through sleeve 17 fixed on upper wall plate 6, bearing is assembled between pivot 5 and sleeve 17, and pressure spring 4 is fixedly assembled at the end of pivot 5 after passing through sleeve 17;the shaft seat of pressure wheel assembly 3 is fixedly connected with pressure spring 4, and the pressure wheel in pressure wheel assembly 3 cooperates with pressure belt 1 of carton side edge sealing equipment, and downward pressure can be applied to pressure belt 1 by pressure wheel.The number of pressure wheel assembly 3, pressure spring 4 and pivot 5 is adapted to the size specification of paper sheet workpiece.

[0029] Referring to Figure 3 、 Figure 4 、 Figure 5、 Figure 6 The utility model further has main connecting rod flexible connecting assembly, main connecting rod flexible connecting assembly includes pull rod 15, compression spring 14 and compression nut 16, pull rod 15 front end is articulated assembly with main connecting rod 8, and pull rod 15 rear end passes through the support seat 6-1 on the upper wallboard 6, and compression spring 14 is installed on pull rod 15, the compression spring 14 front end is in contact with the support seat 6-1 on the upper wallboard 6, and the rear end is in contact with the compression nut 16 equipped on pull rod 15.

[0030] Referring to Figure 7 、 Figure 8 In the binding station of the full-automatic box nailing machine, after the paper piece workpiece enters between the pressing belt 1 and the paper conveying belt 2, it continues to move forward with the paper conveying belt 2, at this time, the pressing wheel applies downward pressure to the paper piece workpiece through the pressing belt 1 under the action of the pressing spring 4, to avoid the phenomenon of paper piece workpiece edge lifting, to ensure the implementation of the front end positioning and rear end alignment actions, so that the paper piece workpiece can move relatively under the action of the front end positioning baffle and the rear end alignment gauge, and the pressing force of the pressing wheel on the paper piece workpiece is small; after the front end positioning and rear end alignment actions are completed, the telescopic rod of the pressing cylinder 11 is extended, and the pushing rod 10, the main connecting rod 8 and the swing rod 9 are actuated to synchronously press down the several groups of pressing wheels, to increase the pressing force on the paper piece workpiece, to avoid displacement of the paper piece during sealing.

[0031] Referring to Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 In order to further ensure the precision of the side edge nailing of the carton and avoid the impact on the paper piece caused by the pressing action of the pressing wheel, the utility model further has main connecting rod flexible connecting assembly, the main connecting rod flexible connecting assembly includes pull rod 15, compression spring 14 and compression nut 16, the pull rod 15 front end is articulated assembly with main connecting rod 8, and pull rod 15 rear end passes through the support seat 6-1 on the upper wallboard 6, and compression spring 14 is installed on pull rod 15, the compression spring 14 front end is in contact with the support seat 6-1 on the upper wallboard 6, and the rear end is in contact with the compression nut 16 equipped on pull rod 15. As shown in Figure 8 When the telescopic rod of the pressing cylinder 11 is extended, the pushing rod 10 rotates around the rotating shaft 5, and the main connecting rod 7 moves forward under the action of the pushing force of the pushing rod 10, at this time, the impact energy of the main connecting rod 7 action can be absorbed by the tensile deformation of the compression spring 14, to ensure the stability of the pressing action of the pressing wheel.

Claims

1. A belt pressing mechanism suitable for carton side sealing equipment, characterized in that: It includes a clamping wheel assembly (3), a clamping spring (4), a rotating shaft (5), a swing arm (9), a push rod (10), a main connecting rod (8), a clamping cylinder (11), and a clamping cylinder adjustment assembly; The pressing cylinder (11) is installed on the upper wall plate (6) of the carton side sealing equipment through the pressing cylinder adjustment assembly, and its telescopic rod is hinged to the upper end of the push rod (10). The middle part of the push rod (10) is hinged to the main connecting rod (8). The main connecting rod (8) is arranged horizontally along the paper workpiece conveying direction. Several sets of swing rods (9) are hinged to the main connecting rod (8). The swing rod (9) is symmetrically arranged on the front and rear sides of the push rod (10), and the rotating shaft (5) is fixedly assembled at the lower end of the push rod (10) and the swing rod (9). The rotating shaft (5) passes through the sleeve (17) fixed on the upper wall plate (6), and the clamping spring (4) is fixedly assembled on the rotating shaft (5). The bearing seat of the clamping wheel assembly (3) is fixedly connected to the clamping spring (4). The clamping wheel in the clamping wheel assembly (3) cooperates with the clamping belt (1) of the carton side sealing device, and the clamping wheel applies a downward clamping force to the clamping belt (1).

2. The belt pressing mechanism suitable for carton side sealing equipment according to claim 1, characterized in that: The adjusting assembly of the clamping cylinder includes an adjusting screw (12) and an adjusting knob (13); one end of the adjusting screw (12) is provided with a hinge seat for assembly with the clamping cylinder (11), and the other end of the adjusting screw passes through two support seats (6-1) provided on the upper wall plate (6), and the adjusting knob (13) is mounted on the adjusting screw (12); the adjusting knob (13) is located between the two support seats (6-1) provided on the upper wall plate (6).

3. The belt pressing mechanism suitable for carton side sealing equipment according to claim 1 or 2, characterized in that: A main connecting rod flexible connection assembly is also provided, which includes a pull rod (15), a compression spring (14) and a clamping nut (16); the front end of the pull rod (15) is hinged to the main connecting rod (8), and the rear end of the pull rod (15) passes through the support seat (6-1) on the upper wall plate (6), and the compression spring (14) is fitted on the pull rod (15); the front end of the compression spring (14) abuts against the support seat (6-1) on the upper wall plate (6), and the rear end abuts against the clamping nut (16) fitted on the pull rod (15).

4. The belt pressing mechanism suitable for carton side sealing equipment according to claim 3, characterized in that: A bearing is fitted between the rotating shaft (5) and the sleeve (17) fixed on the upper wall plate (6).

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