Paper feeding front edge servo downdraft type press-free constant-speed paper feeding printing slotting die-cutting machine

Abstract

The invention discloses a paper feeding front edge servo downdraft type pressure-free constant-speed paper feeding printing slotting die-cutting machine which comprises two mounting plates arranged in parallel, a same shaft is rotationally mounted between the two mounting plates, the two ends of the shaft penetrate through the two mounting plates correspondingly, a servo motor is fixedly mounted on the inner side of any one mounting plate, and a servo motor is fixedly mounted on the inner side of any one mounting plate. The output end of the servo motor penetrates through the mounting plate and is provided with a cam, a swing rod fixedly connected to the shaft in a sleeving mode is arranged above the cam, and the swing rod is matched with the cam; a plurality of clamping blocks are installed on the shaft, the clamping blocks are connected with connecting rods through first joint fulcrums, a front edge air suction box is arranged between the two installation plates, a first lip plate is arranged at the top of the front edge air suction box, and the connecting rods are connected to the first lip plate through the first joint fulcrums. The servo motor drives the cam to rotate to accurately control the lip plate to rise and fall, and the adsorption strength is improved, so that the effects of pressure-free paper feeding and constant-speed paper feeding are achieved, and the production efficiency and the production quality are improved.

Description

Technical Field

[0001] The invention relates to the technical field of die-cutting machines, in particular to a printing slotting die-cutting machine with a servo downward suction type pressure-free and uniform-speed paper feeding at the front edge of the paper feeding machine. Background Art

[0002] Box packaging machinery is widely used in the field of carton packaging. Its main structure includes a paper feeding unit, multiple printing units, a slotting unit and a die-cutting unit. Each unit works in a unified and coordinated manner under the action of the power equipment and transmission mechanism to jointly complete the paper feeding, printing, slotting and die-cutting of the cardboard.

[0003] The paper feeding process is the most commonly used process for packaging printed products. The existing paper feeding unit is relatively simple in design. The paper feeding unit and the printing unit use two sets of upper and lower paper feeding rollers with similar functions to transport the cardboard. Through the relative rotation of the two, the cardboard delivered by the leading edge paper feeding unit is continuously transported to the paper feeding unit and the various printing units below. However, the downward pressure paper feeding can easily cause damage to the cardboard, affecting production and processing. Summary of the invention

[0004] The object of the present invention is to provide a printing slotting and die-cutting machine with a servo downward suction type pressure-free and uniform paper feeding at the leading edge of the paper feeding, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a printing slotting and die-cutting machine with a servo-driven downward suction type pressure-free uniform-speed paper feeding at the leading edge of paper feeding, comprising two mounting plates arranged parallel to each other, a same shaft being rotatably mounted between the two mounting plates, and two ends of the shaft respectively passing through the two mounting plates, a servo motor being fixedly mounted on the inner side of any mounting plate, and an output end of the servo motor passing through the mounting plate and being mounted with a cam, a swinging rod being fixedly sleeved on the shaft being provided above the cam, and the swinging rod being matched with the cam;

[0006] A plurality of clamping blocks are installed on the shaft, and the clamping blocks are connected to a connecting rod through a joint fulcrum 1, a leading edge suction box is arranged between the two mounting plates, and a lip plate 1 is arranged on the top of the leading edge suction box, and the connecting rod is connected to the lip plate 1 through a joint fulcrum 1;

[0007] An auxiliary air suction box is arranged on one side of the leading edge air suction box, and a second lip plate is installed on the top of the auxiliary air suction box. A plurality of rubber wheels are installed on the tops of the auxiliary air suction box and the leading edge air suction box through bearings.

[0008] Preferably, one end of the swing rod is connected to a CF bearing, and the CF bearing and the cam always maintain a tangent state.

[0009] Preferably, a cardboard is provided on the top of the lip plate 1.

[0010] Preferably, a front baffle plate mounted via a bracket is provided between the auxiliary air suction box and the leading edge air suction box.

[0011] Preferably, the side of the lip plate 1 close to the auxiliary air suction box is rotatably mounted on the mounting plate via a joint fulcrum 2.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The servo motor drives the cam to rotate and accurately control the rise and fall of the lip plate, thereby improving the adsorption strength, thereby achieving the effect of pressure-free paper feeding and uniform paper feeding speed, and improving production efficiency and production quality;

[0014] 2. Ensure that the printing slotting and die-cutting machine automatically controls the rise and fall of the front edge suction lip plate during the high-speed operation of paper feeding, printing, slotting and die-cutting, so that the paper feeding speed is uniform and the printing is uniform and beautiful, so as to ensure fast paper feeding speed and good quality, save costs to the maximum extent, improve work quality, and ensure that the compressive strength of the cardboard is not damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0016] Figure 2 It is a side view structural schematic diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the installation structure of the cam and the swing rod of the present invention;

[0018] Figure 4 This is a schematic diagram of the structure of the lip plate of the present invention in a lifted state;

[0019] Figure 5 It is a schematic structural diagram of the lip plate of the present invention in a lowered state.

[0020] In the figure: 1. swing rod; 2. cam; 3. joint fulcrum 1; 4. servo motor; 5. shaft; 6. connecting rod; 7. lip plate 1; 8. rubber wheel; 9. joint fulcrum 2; 10. clamping block; 11. front baffle; 12. lip plate 2; 13. auxiliary suction box; 14. front edge suction box; 15. cardboard. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-5The present invention provides a technical solution: a printing slotting and die-cutting machine with a servo downward suction type pressure-free uniform speed paper feeding at the leading edge of the paper feeding, comprising two mounting plates arranged in parallel with each other, a same shaft 5 is rotatably mounted between the two mounting plates, and both ends of the shaft 5 respectively penetrate the two mounting plates, a servo motor 4 is fixedly mounted on the inner side of any mounting plate, and the output end of the servo motor 4 penetrates the mounting plate and is installed with a cam 2, a swing rod 1 fixedly sleeved on the shaft 5 is provided above the cam 2, and the swing rod 1 is adapted to the cam 2;

[0023] A plurality of clamping blocks 10 are installed on the shaft 5, and the clamping blocks 10 are connected to the connecting rod 6 through the joint fulcrum 13, a front edge suction box 14 is arranged between the two mounting plates, and a lip plate 7 is arranged on the top of the front edge suction box 14, and the connecting rod 6 is connected to the lip plate 7 through the joint fulcrum 13;

[0024] An auxiliary suction box 13 is provided on one side of the leading edge suction box 14, and a lip plate 12 is installed on the top of the auxiliary suction box 13. A plurality of rubber wheels 8 are installed on the tops of the auxiliary suction box 13 and the leading edge suction box 15 through bearings. The lip plate 12 is installed on the auxiliary suction box 13, and the paperboard 15 is directly output through the rubber wheel 8, which plays a role of pressure-free paper feeding and achieves the effect of high efficiency and energy saving.

[0025] In the present invention, one end of the swing rod 1 is connected to a CF bearing, and the CF bearing and the cam 2 always maintain a tangent state. When the CF bearing contacts the high point of the cam 2, the lip plate 7 is in a raised state, and when the CF bearing contacts the low point of the cam 2, the lip plate 7 is in a lowered state.

[0026] In the present invention, a paperboard 15 is provided on the top of the lip plate 7.

[0027] In the present invention, a front baffle 11 is installed between the auxiliary suction box 13 and the front edge suction box 14 through a bracket, and the paperboard 15 is controlled by the front baffle 11 to feed a single paperboard to the auxiliary suction box 13 at a uniform speed.

[0028] In the present invention, the side of the lip plate 7 close to the auxiliary suction box 13 is rotatably mounted on the mounting plate through the joint fulcrum 2 9. When the swing arm 1 swings, it drives the shaft 5 to rotate. The rotation of the shaft 5 drives the connecting rod 6 to rise and fall through the clamp block 10, thereby controlling the lifting and lowering of the lip plate 7 on the suction box 14 at the leading edge of the paper feeding.

[0029] The present invention: driven by the servo motor 4 below the leading edge suction box 14, the cam 2 is driven to rotate, the swing rod 1 is connected to the shaft 5, one end of the swing rod 1 is connected to the CF bearing, the CF bearing and the cam 2 always maintain a tangent state, when the CF bearing contacts the high point of the cam 2, the lip plate 7 is in a raised state, when the CF bearing contacts the low point of the cam 2, the lip plate 7 is in a lowered state, a plurality of clamping blocks 10 are installed on the shaft 5, the two ends of each connecting rod 6 are respectively connected to the clamping block 10 and the paper feeding side of the lip plate 7 by the joint fulcrum 3, and the other side of the lip plate 7 is connected to the joint fulcrum 2 9, when the swing rod 1 swings, it drives the shaft 5 to rotate, and the rotation of the shaft 5 drives the connecting rod 6 to rise and fall by the clamping block 10, so as to control the lifting and lowering of the lip plate 7 on the leading edge suction box 14 of the paper feeding. Figure 4-5 As shown, when the lip plate 1 is lifted, the height range of the lip plate 17 above the upper surface of the rubber wheel 8 is A-B, and when the lip plate 1 is lowered, the height range of the lip plate 17 below the upper surface of the rubber wheel 8 is A1-B1, which effectively controls the adsorption and lifting of the paperboard, and controls the single paperboard to be uniformly fed to the auxiliary suction box 13 through the front baffle 11. The lip plate 12 is installed on the auxiliary suction box 13, and the paperboard 15 is directly output through the rubber wheel 8, which plays a role of pressure-free paper feeding and achieves the effect of high efficiency and energy saving.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the present invention have been shown and described, it is understood by ordinary technicians in the field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A printing slotting and die-cutting machine with servo-driven downward suction type pressure-free and uniform paper feeding at the leading edge of the paper feeding, characterized in that: The invention comprises two mounting plates arranged parallel to each other, a same shaft (5) being rotatably mounted between the two mounting plates, and two ends of the shaft (5) respectively passing through the two mounting plates, a servo motor (4) being fixedly mounted on the inner side of any mounting plate, and an output end of the servo motor (4) passing through the mounting plate and being mounted with a cam (2), a swinging rod (1) being fixedly sleeved on the shaft (5) being provided above the cam (2), and the swinging rod (1) being matched with the cam (2); A plurality of clamping blocks (10) are installed on the shaft (5), and the clamping blocks (10) are connected to a connecting rod (6) via a joint fulcrum (3); a leading edge suction box (14) is arranged between the two mounting plates, and a lip plate (7) is arranged on the top of the leading edge suction box (14); and the connecting rod (6) is connected to the lip plate (7) via a joint fulcrum (3); An auxiliary suction box (13) is provided on one side of the leading edge suction box (14), and a lip plate 2 (12) is installed on the top of the auxiliary suction box (13). A plurality of rubber wheels (8) are installed on the tops of the auxiliary suction box (13) and the leading edge suction box (15) via bearings.

2. The printing slotting and die-cutting machine with servo downward suction type pressure-free and uniform paper feeding at the leading edge of paper feeding according to claim 1, characterized in that: One end of the swing rod (1) is connected to a CF bearing, and the CF bearing and the cam (2) always maintain a tangent state.

3. The printing slotting and die-cutting machine with servo downward suction type pressure-free and uniform paper feeding at the leading edge of paper feeding according to claim 1, characterized in that: A paperboard (15) is arranged on the top of the lip plate 1 (7).

4. The printing slotting and die-cutting machine with servo downward suction type pressure-free and uniform paper feeding at the leading edge of paper feeding according to claim 1, characterized in that: A front baffle (11) is provided between the auxiliary air suction box (13) and the front edge air suction box (14) and is mounted via a bracket.

5. The printing slotting and die-cutting machine with servo downward suction type pressure-free and uniform paper feeding at the leading edge of paper feeding according to claim 1, characterized in that: The side of the lip plate 1 (7) close to the auxiliary air suction box (13) is rotatably mounted on the mounting plate via the joint fulcrum 2 (9).

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