Clamping device for packaging box printing

Abstract

The utility model relates to the technical field of clamping devices, in particular to a clamping device for packaging box printing, which comprises a bottom plate, a panel, a distance adjusting mechanism and clamping components, the bottom plate is fixedly arranged at the bottom of the panel, the distance adjusting mechanism is mounted on the upper surface of the bottom plate, and a plurality of groups of clamping components are mounted on the distance adjusting mechanism; according to the innovative scheme, the multiple sets of clamping assemblies are arranged at the four corners in the packaging box, stable clamping of the packaging box is achieved, meanwhile, the clamping devices are ingeniously prevented from shielding the outer surface, and therefore the multi-face printing task can be efficiently completed without repeated clamping in the printing process; in addition, the multiple sets of clamping assemblies can work in cooperation with the transverse distance adjusting assembly and the longitudinal distance adjusting assembly, two-dimensional distance adjustment in the horizontal direction is achieved, and the clamping requirements of packaging boxes of various sizes can be flexibly met.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping device technical field, concretely is a clamping device for packaging box printing. BACKGROUND

[0002] The clamping device for packaging box printing is a device for fixing packaging boxes, which mainly ensures the stability of the packaging boxes during printing to prevent displacement or shaking, thereby ensuring the accuracy and clarity of the printed patterns, firmly fixes the packaging boxes on the printing machine through clamping force, improves the printing efficiency and quality, reduces the scrap rate caused by instability, and is widely used in various packaging box printing production, and is an important auxiliary tool for improving the printing process level.

[0003] The clamping device can effectively improve the printing efficiency and quality, but it still has some problems: in the printing process, the surface of the clamping device in contact with the packaging box cannot be printed, which requires multiple printing and repeated clamping, thereby reducing the work efficiency; therefore, in view of the above status, it is urgent to develop a clamping device for packaging box printing to overcome the deficiencies in current actual application and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a clamping device for packaging box printing to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a clamping device for packaging box printing, comprising a bottom plate, a panel, a distance adjusting mechanism and a clamping assembly, the bottom plate is fixedly arranged at the bottom of the panel, the distance adjusting mechanism is installed on the upper surface of the bottom plate, and a plurality of clamping assemblies are installed on the distance adjusting mechanism.

[0006] The distance adjusting mechanism comprises a horizontal distance adjusting assembly and a vertical distance adjusting assembly, and the vertical distance adjusting assembly is installed on the horizontal distance adjusting assembly.

[0007] The clamping assembly comprises a main shaft, a telescopic sleeve, a positioning piece and a telescopic cylinder, the main shaft is fixedly arranged on the vertical distance adjusting assembly, a double lug connector a is fixedly arranged on the outer wall of the main shaft, one end of the telescopic sleeve is hingedly connected with the double lug connector a, a double lug connector b is fixedly arranged on the inner wall of the positioning piece, the other end of the telescopic sleeve is hingedly connected with the double lug connector b, the main shaft is hollow, the telescopic cylinder is embeddedly installed in the main shaft, a connector is installed at the output end of the telescopic cylinder, a through groove is formed in the side wall of the main shaft, one end of the connector is arranged in the through groove, an ear seat is welded on the side of the telescopic sleeve close to the main shaft, and a transmission shaft is hingedly connected between the connector and the ear seat.

[0008] Preferably, the binaural connector a is consistent in structure with the binaural connector b, two sets of telescopic sleeves are provided, and the two sets of telescopic sleeves are hingedly connected between the binaural connector a and the binaural connector b to form a parallelogram structure. Specifically, the parallelogram structure can always maintain the state that the side surface of the positioning piece is perpendicular to the horizontal plane and the state that the upper surface of the positioning piece is parallel to the horizontal plane when the telescopic sleeve rotates around the hinged position of the binaural connector a, thereby being able to be attached to the four corners inside the packaging box and clamping and supporting the inside thereof.

[0009] Preferably, the transverse distance adjusting assembly comprises two mutually parallel slide rails a, a sliding block a, an L-shaped mounting bracket, a motor a, a bidirectional screw rod a and an inner screw sleeve a. The two slide rails a are fixedly arranged on the bottom plate. The sliding block a is slidably arranged on the slide rail a. The L-shaped mounting bracket is fixedly arranged on the sliding block a. The motor a is fixedly arranged on the top edge of the bottom plate. The bidirectional screw rod a is drivingly connected with the motor a. Two inner screw sleeves a are sleeved on both ends of the bidirectional screw rod a. Specifically, the transverse distance adjusting assembly can drive the longitudinal distance adjusting assembly and the clamping assembly thereon to axially relatively move along the slide rail a.

[0010] Preferably, the longitudinal distance adjusting assembly comprises a slide rail b, a mounting frame, a sliding block b and a driving assembly. The slide rail b is horizontally fixedly arranged on the L-shaped mounting bracket. The sliding block b is slidably arranged on the slide rail b. The mounting frame is fixedly arranged on one side of the sliding block b. The two mounting frames are provided with the driving assembly for driving the mounting frame and the sliding block b to synchronously relatively move. Specifically, the longitudinal distance adjusting assembly can drive the clamping assembly to axially relatively move along the slide rail b.

[0011] Preferably, the driving assembly comprises a transmission box, a bidirectional screw rod b, a motor b and an inner screw sleeve b. The transmission box is fixedly arranged on one side of the slide rail b. The bidirectional screw rod b is penetratingly arranged on the edge of the transmission box and is in transmission connection with the transmission box. The motor b is fixedly arranged on the outer wall of the transmission box. The transmission box is drivingly connected with the motor b. The inner screw sleeve b is fixedly arranged on the outer wall of the mounting frame. The two ends of the bidirectional screw rod b are penetratingly arranged in the inner screw sleeve b and are matched with the inner screw sleeve b. Specifically, the driving assembly can drive the two sliding blocks b and the mounting frame arranged on the sliding blocks to relatively move.

[0012] Preferably, the slide rail a is provided with two mutually parallel slide rails a. Each slide rail a is provided with two oppositely distributed sliding blocks a. The slide rail b is provided with two mutually parallel slide rails b. Each slide rail b is provided with two oppositely distributed sliding blocks b.

[0013] Preferably, the two inner screw sleeves a are fixedly connected with the two slide rails b. Specifically, the inner screw sleeve a cooperates with the bidirectional screw rod a to drive the two slide rails b to synchronously relatively move.

[0014] Preferably, the positioning members are provided in four, and the four positioning members are distributed in a rectangular shape, specifically, the four positioning members are matched with the four corners inside the packaging box, and support and clamp the inside of the packaging box.

[0015] Compared with the prior art, the utility model provides a clamping device for packaging box printing, has the following beneficial effects:

[0016] The innovative scheme realizes the stable clamping of the packaging box by arranging multiple groups of clamping assemblies at the four corners inside the packaging box, and ingeniously avoids the shielding of the clamping device to the outer surface, so that the multiple surface printing task can be efficiently completed without repeated clamping in the printing process, and the work efficiency is greatly improved, in addition, the multiple groups of clamping assemblies can also work cooperatively with the horizontal distance adjusting assembly and the longitudinal distance adjusting assembly, realize the distance adjustment of two dimensions in the horizontal direction, can flexibly adapt to the clamping requirements of packaging boxes of various sizes, greatly enhance the universality and practicality of the equipment, and provide strong support for the automation and efficient development of the printing industry. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor:

[0018] Figure 1 It is the front structure schematic diagram of the utility model;

[0019] Figure 2 It is the position relation drawing of the horizontal distance adjusting assembly and the longitudinal distance adjusting assembly of the utility model;

[0020] Figure 3 It is the clamping assembly structure schematic diagram of the utility model;

[0021] Figure 4 It is the telescopic cylinder structure schematic diagram of the utility model.

[0022] In the figure: 100, bottom plate; 200, panel; 300, distance adjusting mechanism; 310, transverse distance adjusting assembly; 311, slide rail a; 312, slide block a; 313, L-shaped mounting bracket; 314, motor a; 315, bidirectional screw rod a; 316, inner screw sleeve a; 320, longitudinal distance adjusting assembly; 321, slide rail b; 322, mounting frame; 323, slide block b; 324, driving assembly; 3241, transmission box; 3242, bidirectional screw rod b; 3243, motor b; 3244, inner screw sleeve b; 400, clamping assembly; 410, main shaft; 420, double-ear connecting piece a; 430, telescopic sleeve; 440, positioning piece; 441, double-ear connecting piece b; 450, telescopic cylinder; 460, adapter; 470, transmission shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-4 The present application provides a technical scheme: a clamping device for packaging box printing, comprising a bottom plate 100, a panel 200, a distance adjusting mechanism 300 and a clamping assembly 400, the bottom plate 100 is fixedly arranged at the bottom of the panel 200, the distance adjusting mechanism 300 is installed on the upper surface of the bottom plate 100, and a plurality of clamping assemblies 400 are installed on the distance adjusting mechanism 300;

[0027] The distance adjusting mechanism 300 comprises a transverse distance adjusting assembly 310 and a longitudinal distance adjusting assembly 320, and the longitudinal distance adjusting assembly 320 is installed on the transverse distance adjusting assembly 310;

[0028] The clamping assembly 400 comprises a main shaft 410, a telescopic sleeve 430, a positioning piece 440 and a telescopic cylinder 450, the main shaft 410 is fixedly arranged on the longitudinal distance adjusting assembly 320, the outer wall of the main shaft 410 is fixedly arranged with a double lug connector a 420, one end of the telescopic sleeve 430 is hingedly connected with the double lug connector a 420, the inner wall of the positioning piece 440 is fixedly arranged with a double lug connector b 441, the other end of the telescopic sleeve 430 is hingedly connected with the double lug connector b 441, the main shaft 410 is hollow, the telescopic cylinder 450 is embeddedly arranged in the main shaft 410, the output end of the telescopic cylinder 450 is arranged with an adapter 460, the side wall of the main shaft 410 is arranged with a through slot, one end of the adapter 460 is arranged in the through slot, the side of the telescopic sleeve 430 close to the main shaft 410 is welded with an ear seat, and the adapter 460 is hingedly connected with the ear seat.

[0029] Preferably, the double lug connector a 420 and the double lug connector b 441 are consistent in structure, the telescopic sleeve 430 is provided with two groups, and the two groups of telescopic sleeves 430 are hingedly connected with the double lug connector a 420 and the double lug connector b 441 to form a parallelogram structure. Specifically, when the telescopic sleeve 430 rotates around the hinged position of the double lug connector a 420, the side of the positioning piece 440 is always perpendicular to the horizontal plane, and the upper surface of the positioning piece 440 is always parallel to the horizontal plane, so that the positioning piece 440 can be attached to the four corners of the packaging box and clamp and support the inside of the packaging box.

[0030] Preferably, the transverse distance adjusting assembly 310 comprises a slide rail a 311, a slide block a 312, an L-shaped mounting bracket 313, a motor a 314, a bidirectional screw rod a 315 and an inner screw sleeve a 316. Two slide rails a 311 parallel to each other are fixedly arranged on the bottom plate 100, the slide block a 312 is slidably arranged on the slide rail a 311, the L-shaped mounting bracket 313 is fixedly arranged on the slide block a 312, the motor a 314 is fixedly arranged on the top edge of the bottom plate 100, the bidirectional screw rod a 315 is drivingly connected with the motor a 314, and the two inner screw sleeves a 316 are sleeved on the two ends of the bidirectional screw rod a 315. Specifically, the transverse distance adjusting assembly 310 can drive the longitudinal distance adjusting assembly 320 and the clamping assembly 400 on the longitudinal distance adjusting assembly 320 to axially relatively move along the slide rail a 311.

[0031] Preferably, the longitudinal distance adjusting assembly 320 comprises a slide rail b 321, a mounting frame 322, a slide block b 323 and a driving assembly 324. The slide rail b 321 is horizontally fixedly arranged on the L-shaped mounting bracket 313, the slide block b 323 is slidably arranged on the slide rail b 321, the mounting frame 322 is fixedly arranged on one side of the slide block b 323, and the driving assembly 324 for driving the mounting frame 322 and the slide block b 323 to synchronously relatively move is arranged between the two mounting frames 322. Specifically, the longitudinal distance adjusting assembly 320 can drive the clamping assembly 400 to axially relatively move along the slide rail b 321.

[0032] Preferably, the driving assembly 324 comprises a transmission box 3241, a bidirectional screw rod b 3242, a motor b 3243 and an inner screw sleeve b 3244, the transmission box 3241 is fixedly arranged on one side of the slide rail b 321, the bidirectional screw rod b 3242 is arranged through the edge of the transmission box 3241 and is in driving connection with the transmission box 3241, the motor b 3243 is fixedly arranged on the outer wall of the transmission box 3241, the transmission box 3241 is in driving connection with the motor b 3243, and the inner screw sleeve b 3244 is fixedly arranged on the outer wall of the mounting frame 322. Both ends of the bidirectional screw rod b 3242 are arranged through the inner screw sleeve b 3244 and are matched with the inner screw sleeve b 3244. Specifically, the driving assembly 324 can drive the relative movement of the two sliding blocks b 323 and the mounting frame 322 mounted on the sliding blocks b 323.

[0033] Preferably, the slide rail a 311 is provided with two parallel slide rails a 311, and the slide rail b 321 is provided with two parallel slide rails b 321. Each slide rail a 311 is provided with two opposite sliding blocks a 312, and each slide rail b 321 is provided with two opposite sliding blocks b 323.

[0034] Preferably, the two inner screw sleeves a 316 are fixedly connected with the two slide rails b 321, and specifically, the inner screw sleeves a 316 are matched with the bidirectional screw rod a 315 to drive the synchronous relative movement of the two slide rails b 321.

[0035] Preferably, the positioning member 440 is provided with four positioning members 440, and the four positioning members 440 are arranged in a rectangular shape. Specifically, the four positioning members 440 are matched with the positions of the four corners in the packaging box, so as to support and clamp the packaging box.

[0036] Working principle: install the panel 200 to the printing station, control the lateral distance adjusting assembly 310 and longitudinal distance adjusting assembly 320 of the distance adjusting mechanism 300 to adjust the horizontal distance in two directions, so that the rectangular area formed is smaller than the transverse section of the packaging box to be printed, set the packaging box to be printed on the clamping assembly 400, and then start the clamping assembly 400 to clamp the inside, so as to perform the outer surface printing work. It should be noted that when the clamping assembly 400 works, the telescopic cylinder 450 cooperates with the adapter 460 and the transmission shaft 470 to drive the two telescopic sleeves 430 to flip around the hinged position of the double-lug connecting piece a 420 to a certain angle towards the bottom until the positioning piece 440 is adapted to the inner top corners of the packaging box to be printed, so as to achieve the clamping effect of the packaging box. After printing, the telescopic cylinder 450 drives the positioning piece 440 to reset (the piston rod of the telescopic cylinder 450 is in the elongated state at the beginning). When the lateral distance adjusting assembly 310 starts, the motor a 314 drives the bidirectional screw a 315 to rotate, and then the two internal screw sleeves a 316 drive the two slide rails b 321 to cooperate with the L-shaped mounting bracket 313 and the sliding block a 312 to move axially along the slide rail a 311, so as to realize the lateral distance adjustment. When the longitudinal distance adjusting assembly 320 starts, the motor b 3243 cooperates with the transmission box 3241 to drive the bidirectional screw b 3242 to rotate, and then the two internal screw sleeves b 3244 drive the mounting frame 322 to cooperate with the sliding block b 323 to move axially along the slide rail b 321, so as to realize the longitudinal distance adjustment.

[0037] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A clamping device for printing of a carton, characterized in that: It includes a bottom plate (100), a panel (200), a distance adjusting mechanism (300) and a clamping assembly (400), the bottom plate (100) is fixed at the bottom of the panel (200), the distance adjusting mechanism (300) is installed on the upper surface of the bottom plate (100), and a plurality of groups of the clamping assembly (400) are installed on the distance adjusting mechanism (300); The distance adjusting mechanism (300) comprises a transverse distance adjusting assembly (310) and a longitudinal distance adjusting assembly (320), and the longitudinal distance adjusting assembly (320) is installed on the transverse distance adjusting assembly (310); The clamping assembly (400) comprises a main shaft (410), a telescopic sleeve (430), a positioning piece (440) and a telescopic cylinder (450), the main shaft (410) is fixed on the longitudinal distance adjusting assembly (320), the outer wall of the main shaft (410) is fixedly provided with a double-lug connecting piece a (420), one end of the telescopic sleeve (430) is hingedly connected with the double-lug connecting piece a (420), the inner wall of the positioning piece (440) is fixedly provided with a double-lug connecting piece b (441), the other end of the telescopic sleeve (430) is hingedly connected with the double-lug connecting piece b (441), the main shaft (410) is hollow, the telescopic cylinder (450) is embeddedly installed in the main shaft (410), the output end of the telescopic cylinder (450) is provided with an adapter (460), the side wall of the main shaft (410) is provided with a through slot, one end of the adapter (460) is arranged in the through slot, and an ear seat is welded on the side of the telescopic sleeve (430) close to the main shaft (410), and a transmission shaft (470) is hingedly connected between the adapter (460) and the ear seat.

2. The clamping device for printing of a packaging box according to claim 1, characterized in that: The double-lug connecting piece a (420) and the double-lug connecting piece b (441) are the same in structure, and the telescopic sleeve (430) is provided with two groups, and the two groups of telescopic sleeves (430) are hingedly connected with the double-lug connecting piece a (420) and the double-lug connecting piece b (441) to form a parallelogram structure.

3. The clamping device for printing of a packaging box according to claim 1, characterized in that: The transverse distance adjusting assembly (310) comprises two mutually parallel slide rails a (311) fixedly arranged on the bottom plate (100), a slide block a (312) slidably arranged on the slide rail a (311), an L-shaped mounting bracket (313) fixedly arranged on the slide block a (312), a motor a (314) fixedly arranged on the top edge of the bottom plate (100), a bidirectional screw rod a (315) drivingly connected with the motor a (314), and two inner screw sleeves a (316) sleeved on both ends of the bidirectional screw rod a (315).

4. The clamping device for printing of a packaging box according to claim 3, characterized in that: The longitudinal distance adjusting assembly (320) comprises slide rails b (321), mounting frames (322), slide blocks b (323) and driving assemblies (324), the slide rails b (321) are horizontally fixed on the L-shaped mounting frames (313), the slide blocks b (323) are slidably installed on the slide rails b (321), the mounting frames (322) are fixed on one side of the slide blocks b (323), and the driving assemblies (324) for driving the mounting frames (322) and the slide blocks b (323) to move synchronously are installed between two mounting frames (322).

5. The clamping device for printing of a packaging box according to claim 4, characterized in that: The driving assembly (324) comprises a transmission box (3241), a bidirectional screw rod b (3242), a motor b (3243) and an inner screw sleeve b (3244), the transmission box (3241) is fixed on one side of the slide rail b (321), the bidirectional screw rod b (3242) is arranged on the edge of the transmission box (3241) and is in transmission connection with the transmission box (3241), the motor b (3243) is fixed on the outer wall of the transmission box (3241), the transmission box (3241) is in driving connection with the motor b (3243), and the inner screw sleeve b (3244) is fixed on the outer wall of the mounting frame (322). Both ends of the bidirectional screw rod b (3242) are arranged in the inner screw sleeve b (3244) and are matched with the inner screw sleeve b (3244).

6. The clamping device for printing of a packaging box according to claim 4, characterized in that: The slide rails a (311) are parallel to each other and are provided in two, and two slide blocks a (312) are installed on the slide rail a (311) in opposite distribution, and the slide rails b (321) are parallel to each other and are provided in two, and two slide blocks b (323) are installed on the slide rail b (321) in opposite distribution.

7. The clamping device for printing of a packaging box according to claim 4, characterized in that: The two inner screw sleeves a (316) are fixedly connected with the two slide rails b (321) respectively.

8. The clamping device for printing of a packaging box according to claim 1, characterized in that: The positioning pieces (440) are provided in four and are distributed in a rectangular shape.

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