Paper box printing pre-pressing device

Abstract

The utility model provides a paper box printing pre-pressing device, which belongs to the technical field of paper box printing pre-pressing, and comprises a rack and a conveying roller a rotating with the rack, and further comprises a mounting frame and a mounting frame fixed on the rack, a movable plate is arranged in the mounting frame, the movable plate is provided with a plurality of pressing rollers, and the movable plate is provided with pre-tightening pieces matched with the pressing rollers. A cylinder fixed with the movable plate is fixed on the mounting frame; the support is fixed to the rack, a conveying roller b is rotationally arranged between the support and the rack, a guide groove is fixed to the support, a transmission part is arranged on the guide groove, and the paper box is conveyed and moved through the transmission part. Through the elastic characteristic of the spring damper, the pre-tightening effect of contact between the pressing roller and the paper sheet can be improved, and the pre-pressing efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper box printing pre -press technical field especially, relate to a paper box printing pre -press device. BACKGROUND

[0002] Paper box often wants to carry out printing before being folded into paper box from paperboard, and in order to facilitate subsequent processing procedure, needs pre -press before printing, one aspect flattens paperboard, and the printing effect is optimized, and one aspect carries out indentation,

[0003] Convenient folding.

[0004] Patent file announcement number for (CN220482697U) discloses a paper box printing pre -press device, and its content mainly writes to "including frame, setting on the conveyer belt and controller of frame, the feeding drive mechanism for driving the feeding drive mechanism movement feeding, along the feeding direction of feeding drive mechanism, the frame is sequentially provided with flattening mechanism and pre -press mechanism, the pre -press mechanism includes pre -press assembly, for driving the mobile drive assembly that pre -press assembly moves back and forth, left and right, and for driving the lifting assembly that mobile drive assembly ascends or descends is adopted, lifting assembly is fixed on the frame, feeding drive mechanism, flattening mechanism, mobile drive assembly and lifting assembly are electrically connected controller, the utility model can not only press the indentation in different directions, but also can change the length of indentation, and the adaptability is better, meets the pre -press demand of different specifications and sizes paper box " the above patent file, although the indentation length can be changed, but the paper sheet pre -press effect is poor and influences the yield.

[0005] At present, paper box printing pre -press device needs to pre -press paper sheet, so that paper sheet is in relatively compact state, which can improve paper box printing effect, but when pre -pressing paper sheet, because the pre -tightening effect of compression roller and paper sheet is poor, the pre -pressing effect of paper sheet is affected and the processing qualified rate of paper sheet is reduced. UTILITY MODEL CONTENT

[0006] The utility model discloses in view of the deficiency in the prior art, provide a paper box printing pre -press device, and the pre -tightening effect of compression roller and paper sheet can be improved through the elastic property of spring damper, and the pre -pressing efficiency and quality are enhanced.

[0007] In order to solve the above technical problem, the utility model solves the problem that the pre -tightening effect of compression roller and paper sheet is poor when pre -pressing paper sheet, which affects the pre -pressing effect and reduces the processing qualified rate.

[0008] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0009] A carton printing pre-press device, comprising a frame and a conveying roller a rotating with the frame, further comprising:

[0010] A mounting frame fixed to the frame, the mounting frame being provided with a movable plate, the movable plate being provided with a plurality of pressing rollers, and the movable plate being provided with a pre-tightening piece matched with the pressing rollers, the mounting frame being fixed with an air cylinder fixed with the movable plate;

[0011] A support fixed to the frame, the support being rotatable with the frame via a conveying roller b, the support being fixed with a guide groove, and the guide groove being provided with a transmission piece for conveying and moving the carton via the transmission piece.

[0012] Preferably, the pre-tightening piece comprises:

[0013] A rotating rod a rotatable with the movable plate, the rotating rod a being fixed with a connecting plate, and the pressing rollers being rotatably connected with the connecting plate, and the connecting plate being rotatably connected with a rotating rod b;

[0014] A hinged seat fixed to the movable plate, the hinged seat being rotatably connected with a damping spring device, and the other end of the damping spring device being rotatably connected with the rotating rod b.

[0015] Preferably, the transmission piece comprises:

[0016] A bearing seat fixed to the guide groove, the bearing seat being rotatably connected with a lead screw, the frame being fixed with a support plate, the support plate being fixed with a servo motor coaxially fixed with the lead screw, the lead screw being threadedly connected with a lead sleeve, and the bottom surface of the guide groove being provided with a sliding groove for sliding the lead sleeve;

[0017] A mounting seat fixed to the lead sleeve, the mounting seat being rotatably connected with a rod body, and the rod body being fixed with a push plate, the mounting seat being fixed with a mounting plate, and the push plate and the mounting plate being fixed with an elastic sheet therebetween, and the guide groove being fixed with an additional plate.

[0018] Preferably, the movable plate is fixed with a guide rod, and the guide rod is slidably and penetrably arranged in the mounting frame.

[0019] Preferably, the guide rod is fixed with a limiting block at the end away from the movable plate, and the diameter of the limiting block is greater than the diameter of the guide rod.

[0020] Preferably, the side wall of the push plate is provided in a circular arc surface, and the included angle between the additional plate and the mounting seat is provided in a right angle.

[0021] Preferably, the length of the sliding groove is consistent with the thread length of the lead screw, and the side wall of the push plate close to the mounting seat is provided in a smooth circular arc surface.

[0022] Preferably, the length of the conveying roller b is less than the length of the conveying roller a, and the pressing rollers are located directly above the plurality of conveying rollers b.

[0023] Preferably, the bracket cross section is arranged in L shape, the cross section of the conveying roller a is in the same horizontal plane with the cross section of the conveying roller b.

[0024] Preferably, the frame is fixed with a bottom plate, and the projection area of the bottom plate is greater than the projection area of the frame.

[0025] Compared with the prior art, the paper box printing pre-pressing device has the following beneficial effects:

[0026] The paper box printing pre-pressing device has the advantages that the elastic property of the spring damper can enhance the pre-tightening effect when the compression roller contacts the paper sheet, the efficiency and quality of pre-pressing are improved, stable and uniform pressure is provided during the pre-pressing process, the paper sheet is prevented from loosening, the compression qualified rate is prevented from being reduced, the compression is ensured to be smooth, and the production efficiency and product quality are improved.

[0027] The paper box printing pre-pressing device has the advantages that the spring damper can enhance the pre-tightening effect when the compression roller contacts the paper sheet, the efficiency and quality of pre-pressing are improved, stable and uniform pressure is provided during the pre-pressing process, the paper sheet is prevented from loosening, the compression qualified rate is prevented from being reduced, the compression is ensured to be smooth, and the production efficiency and product quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0029] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0030] Figure 2 It is a schematic diagram of the side cross-sectional structure of the mounting rack of the present application;

[0031] Figure 3 It is a schematic diagram of the bottom view structure of the present application;

[0032] Figure 4 It is Figure 3 It is an enlarged schematic diagram of the structure of region A in the middle;

[0033] Figure 5 It is a schematic diagram of the structure of the guide groove of the present application;

[0034] Figure 6 It is a schematic diagram of the side cross-sectional structure of the guide groove of the present application;

[0035] Figure 7 It is Figure 6 It is an enlarged schematic diagram of the structure of region B in the middle.

[0036] Figure number explanation: 1, rack; 2, conveying roller a; 3, mounting frame; 4, movable plate; 5, pre-tightening piece; 51, rotating rod a; 52, connecting plate; 53, rotating rod b; 54, hinged seat; 55, damping spring device; 6, air cylinder; 7, support; 8, conveying roller b; 9, guide groove; 10, transmission piece; 101, bearing seat; 102, screw rod; 103, support plate; 104, servo motor; 105, screw sleeve; 106, sliding groove; 107, mounting seat; 108, rod body; 109, push plate; 1010, mounting plate; 1011, elastic sheet; 1012, additional plate; 11, guide rod; 12, limiting block; 13, bottom plate; 14, compression roller. DETAILED DESCRIPTION

[0037] The utility model will be described in further detail below in combination with the drawings.

[0038] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other embodiments, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0039] Those skilled in the art should understand that, in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the simplified description of the utility model for the convenience of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0040] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number. Embodiment

[0041] Please refer to Figure 1 - Figure 7The utility model provides a carton printing pre-pressing device, including frame 1 and the transmission roll a 2 of frame 1 rotation, still including: mounting bracket 3, mounting bracket 3 is fixed to frame 1, and the movable plate 4 is arranged in mounting bracket 3, the top of movable plate 4 is fixed with guide rod 11, and guide rod 11 is slidably penetrated with mounting bracket 3, the setting of guide rod 11 can play the guiding effect to movable plate 4, ensure that movable plate 4 is in the relatively stable state when lifting, and the end away from movable plate 4 of guide rod 11 is fixed with limiting block 12, and the diameter of limiting block 12 is greater than the diameter of guide rod 11, the setting of limiting block 12 plays the limiting effect to guide rod 11, prevents the situation that movable plate 4 moves over distance and causes to fall off, and movable plate 4 is provided with a plurality of compression rollers 14, and the pre-tightening piece 5 that is matched with compression roller 14 is arranged on movable plate 4, and the air cylinder 6 that is fixed with movable plate 4 is fixed to mounting bracket 3 to realize the accurate control of paper sheet pre-pressing process, here is the conventional setting of the field, so it is not detailed here.

[0042] Support 7, support 7 is fixed to frame 1, and transmission roll b 8 is rotatably arranged between support 7 and frame 1, the length of transmission roll b 8 is less than the length of transmission roll a 2, and the compression roller 14 is located above a plurality of transmission roll b 8, and the paper sheet carried on transmission roll a 2 and transmission roll b 8 is pressed by compression roller 14, the guide slot 9 is fixed on the support 7, and the transmission part 10 is arranged on the guide slot 9, and the transmission part 10 is used for conveying and moving the carton.

[0043] It should be noted that the paper sheet is conveyed to the pre-pressing area by the transmission roll a 2, the movable plate 4 is driven to move downward by the air cylinder 6, the compression roller 14 is synchronously moved, the compression roller 14 is contacted with the paper sheet, the pre-pressing processing of the paper sheet is completed, and the paper sheet is conveyed to the next processing procedure by the transmission part 10 after the pre-pressing processing of the paper sheet is completed.

[0044] Further, as shown in Figure 2 And Figure 4 The pre-tightening piece 5 includes: rotating rod a 51, and rotating rod a 51 is rotatably arranged on the movable plate 4, the connecting plate 52 is fixed to the rotating rod a 51, the connecting plate 52 is flipped along the axis of the rotating rod a 51 under the action of force, the compression roller 14 is rotatably connected with the connecting plate 52, the compression roller 14 is rotatable on the side adjacent to the two connecting plates 52, and the rotating rod b 53 is rotatably connected to the other connecting plate 52;

[0045] The hinged seat 54 is fixed to the movable plate 4, and the damping spring device 55 is rotatably connected to the hinged seat 54, and the other end of the damping spring device 55 is rotatably connected with the rotating rod b 53.

[0046] It should be noted that the contact between the compression roller 14 and the paper sheet causes the connecting plate 52 to be stressed and flip along the axis of the rotating rod a51, at this time the damping spring 55 is in a compressed state, by using the elastic properties of the spring damper, the pre-tightening effect between the compression roller 14 and the paper sheet in the contact pre-pressing stage can be significantly enhanced, and the efficiency and quality of pre-pressing the paper sheet can be greatly improved. Specifically, the elastic effect of the spring damper can provide more stable and uniform pressure during the pre-pressing process, thereby effectively preventing the paper sheet from loosening during the pre-pressing process, avoiding the problem of reduced compression qualification rate caused by paper sheet loosening, ensuring the smooth progress of the compression process, and improving the overall production efficiency and product quality. Embodiment

[0047] On the basis of embodiment one, according to Figure 1 , Figure 3 , Figure 5 , Figure 6 and Figure 7 , it is worth noting that the transmission member 10 includes: a bearing seat 101 fixed to the guide groove 9, the bearing seat 101 is provided with two, the bearing seat 101 is rotationally connected with a lead screw 102, a support plate 103 is fixed on the rack 1, and a servo motor 104 coaxially fixed with the lead screw 102 is fixed on the support plate 103, so as to realize accurate control of the pushing process of the push plate 109. This is a conventional setting in the art, so it will not be described in detail here. The lead screw 102 is threadedly connected with a sleeve 105, and the bottom surface of the guide groove 9 is provided with a sliding groove 106 for sliding the sleeve 105. By sliding the sleeve 105 in the sliding groove 106, not only can the sleeve 105 be guided, but also the stability of the sleeve 105 during movement can be effectively improved. The length of the sliding groove 106 is consistent with the length of the threads of the lead screw 102.

[0048] The mounting seat 107 is fixed on the silk cover 105, the rod body 108 is rotationally connected in the mounting seat 107, the push plate 109 is fixed on the rod body 108, the side wall of the push plate 109 is arc surface, the outer wall of the side of the push plate 109 close to the mounting seat 107 is smooth arc surface, the arc surface of the push plate 109 is used to ensure that the push plate 109 is relatively smooth and stable when it is forced to overturn, so that the push plate 109 can avoid the situation of being stuck when it is forced to overturn, the angle between the added plate 1012 and the mounting seat 107 is arranged at right angles, the mounting plate 1010 is fixed on the mounting seat 107, the elastic sheet 1011 is fixed between the push plate 109 and the mounting plate 1010, the elastic effect of the elastic sheet 1011 is used to ensure that the push plate 109 is in a vertical state with the mounting seat 107 when it is not forced, the added plate 1012 is fixed on the guide groove 9, and the push plate 109 provides a blocking effect when it contacts the added plate 1012, which can prevent the push plate 109 from contacting the conveying roller a2 and causing the situation of being stuck with the conveying roller a2.

[0049] It should be noted that the servo motor 104 is used to drive the screw rod 102 to rotate, the screw rod 102 and the silk cover 105 are used to drive the two push plates 109 to move linearly along the sliding groove 106 under force until the push plate 109 contacts the conveying roller b8, so that the push plate 109 is forced to overturn along the axis of the rod body 108, one of the push plates 109 contacts the paper sheet, and the two push plates 109 position the paper sheet when the paper sheet is conveyed to the pre-pressing and processing position, and the push plate 109 pushes the paper sheet to the pre-pressing and processing area.

[0050] In the scheme, when the paper sheet is pre-pressed and processed before the paper box printing work, the paper sheet pre-pressing and processing principle is as follows:

[0051] Firstly, the servo motor 104 is used to drive the screw rod 102 to rotate synchronously, the screw rod 102 and the two silk covers 105 are used to drive the two silk covers 105 to move along the sliding groove 106, so that the push plate 109 moves synchronously, one of the push plates 109 is extruded with the added plate 1012, so that the other push plate 109 is displaced synchronously, the paper sheet is conveyed to the conveying roller a2, so that the paper sheet moves synchronously with the push plate 109 to the pre-pressing and processing area, and the two push plates 109 position the paper sheet;

[0052] Secondly, the paper sheet is pre-pressed, the movable plate 4 is driven by the air cylinder 6 to move downwards, then the pressing roller 14 is driven to move synchronously, until the pressing roller 14 contacts with the paper sheet, so that the connecting plate 52 is turned along the axis of the rotating rod a51 under the force, the damping spring 55 is compressed, the elastic effect of the damping spring 55 is used to enhance the pre-tightening effect of the pressing roller 14 on the paper sheet during pre-pressing, then the pre-pressing work on the paper sheet is completed;

[0053] Then, the movable plate 4 and the pressing roller 14 are driven by the air cylinder 6 to move upwards, the push plate 109 is driven by the servo motor 104 to displace, then the paper sheet after pre-pressing is pushed to the conveying roller a2, so that the paper sheet is pushed out of the pre-pressing area.

[0054] The air cylinder 6 and the servo motor 104 can be purchased in the market, the air cylinder 6 and the servo motor 104 are both provided with power supply, which belongs to mature technology in the field and has been fully disclosed, so the description is not repeated in the specification.

[0055] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structure principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be any deformation or modification without departing from the principle.

Claims

1. A carton printing pre-pressing device, comprising a frame (1) and a conveying roller a (2) rotating with the frame (1), characterized in that: Also includes: A mounting frame (3) fixed to the frame (1), a movable plate (4) being provided in the mounting frame (3), a plurality of pressure rollers (14) being provided on the movable plate (4), a pre-tightening member (5) cooperating with the pressure rollers (14) being provided on the movable plate (4), and a cylinder (6) fixed to the movable plate (4) being fixed to the mounting frame (3); A bracket (7) is fixed to the bracket (7) on the frame (1), and a conveying roller b (8) is rotated between the bracket (7) and the frame (1), a guide groove (9) is fixed on the bracket (7), and a transmission member (10) is provided on the guide groove (9), and the transmission member (10) is used to convey and move the paper box.

2. A carton printing pre-pressing device according to claim 1, characterized in that: The pre-tightening member (5) comprises: A rotating rod a (51), and a rotating rod a (51) that rotates with the movable plate (4), wherein the rotating rod a (51) is fixed with a connecting plate (52), and the pressure roller (14) is rotatably connected to the connecting plate (52), and a rotating rod b (53) is rotatably connected to the connecting plate (52); A hinge seat (54) is fixed to the hinge seat (54) on the movable plate (4), and a damping spring device (55) is rotatably connected to the hinge seat (54), and the other end of the damping spring device (55) is rotatably connected to the rotating rod b (53).

3. A carton printing pre-pressing device according to claim 1, characterized in that: The transmission member (10) comprises: A bearing seat (101) is fixed to the bearing seat (101) on the guide groove (9), a screw rod (102) is rotatably connected in the bearing seat (101), a support plate (103) is fixed on the frame (1), a servo motor (104) fixed coaxially with the screw rod (102) is fixed on the support plate (103), the screw rod (102) is threadedly connected to a wire sleeve (105), and a slide groove (106) for allowing the wire sleeve (105) to slide is provided on the bottom surface of the guide groove (9); A mounting seat (107) is fixed on the mounting seat (107) on the silk sleeve (105), a rod body (108) is rotatably connected in the mounting seat (107), and a push plate (109) is fixed on the rod body (108), a mounting plate (1010) is fixed on the mounting seat (107), and an elastic sheet (1011) is fixed between the push plate (109) and the mounting plate (1010), and an additional plate (1012) is fixed on the guide groove (9).

4. A carton printing pre-pressing device according to claim 1, characterized in that: A guide rod (11) is fixed to the top surface of the movable plate (4), and the guide rod (11) and the mounting frame (3) are slidably arranged to penetrate each other.

5. A carton printing pre-pressing device according to claim 4, characterized in that: A limiting block (12) is fixed to one end of the guide rod (11) away from the movable plate (4), and the diameter of the limiting block (12) is larger than the diameter of the guide rod (11).

6. A carton printing pre-pressing device according to claim 3, characterized in that: One side wall of the push plate (109) is arranged in the form of an arc surface, and the angle between the mounting plate (1012) and the mounting seat (107) is arranged in the form of a right angle.

7. A carton printing pre-pressing device according to claim 3, characterized in that: The length of the slide groove (106) is consistent with the thread length of the screw rod (102), and the outer wall of one side of the push plate (109) close to the mounting seat (107) is set in a smooth arc surface.

8. A carton printing pre-pressing device according to claim 1, characterized in that: The length of the conveying roller b (8) is smaller than the length of the conveying roller a (2), and the pressure roller (14) is located directly above the plurality of conveying rollers b (8).

9. A carton printing pre-pressing device according to claim 1, characterized in that: The cross section of the bracket (7) is L-shaped, and the cross section of the conveying roller a (2) and the cross section of the conveying roller b (8) are located in the same horizontal plane.

10. A carton printing pre-pressing device according to claim 1, characterized in that: The frame (1) is fixed with a bottom plate (13), and the projection area of ​​the bottom plate (13) is larger than the projection area of ​​the frame (1).

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