Automatic glue adding device for printing equipment

Abstract

An automatic glue adding device for printing equipment includes a fixed bracket, a material transport trolley and a hopper; the fixed bracket is suitable for being fixed to the printing equipment; the material transport trolley is movably connected to the fixed bracket, and a trolley feed port is arranged on the top of the material transport trolley, a trolley discharge port is arranged on the bottom, and a glue pellet storage space is arranged in the middle; the hopper is suitable for being fixed to the printing equipment, and a hopper feed port is arranged on the top of the hopper, and a hopper discharge port is arranged on the bottom; the material transport trolley can deposit glue pellets into the glue pellet storage space by moving the hopper discharge port, or open the trolley discharge port to release glue pellets. By adding a material transport trolley as an intermediate storage hopper between the hopper and the glue pot, the frequency of manual glue adding by the implementers is greatly reduced, and the risk factor of the device is reduced. The limit device cooperates with the blanking slide plate, and the trolley discharge port can be automatically opened and closed when the trolley reciprocates, which provides convenience for the implementers in this field, and the degree of automation of the device is also improved, which can also reduce labor costs.

Description

Technical Field

[0001] The present application relates to the field of printing equipment, and in particular to an automatic gluing device of printing equipment. Background Art

[0002] AVIC Express Printing Equipment is a fully automatic, miniaturized digital printing equipment developed by our company. It can realize the whole process of printing paper finished books in a timely and fast manner according to customer needs, integrating the processes of text printing, sorting and alignment, gluing and bonding, folding and pressing, variable size automatic cutting, etc., and completes fast printing under the effective control of the computer system. This equipment has the characteristics of complete functions, convenient operation, high security and confidentiality. At present, our company is the only company in China that produces such products. The current gluing methods are divided into the following two types:

[0003] 1. Manual glue adding: The manual glue adding function reserves a glue adding port on the equipment shell. After the operator observes the hot melt glue page and the lowest scale in the glue pot, the hot melt glue is manually added into the glue pot. This method requires manual supervision, and the glue pot temperature device exceeds 150°C. Manual operation is easy to burn, and the glue pot is heated by 220V AC, which may cause electric shock.

[0004] 2. Roller-type automatic glue adding: A conical funnel is placed above the glue pot, which is thick at the top and thin at the bottom, for storing glue particles. A roller driven by a DC forward and reverse motor is installed under the funnel. When the sensor in the glue pot detects that it is in a glue-deficient state, the PLC controls the forward and reverse motor to drive the roller to rotate, bringing the glue particles in the funnel into the glue pot to complete a glue adding process.

[0005] It can be seen from this that the roller-type automatic gluing can only achieve semi-automation, and the number of times hot melt glue is added and the amount added each time, that is, the degree of automation of the gluing device, still needs to be improved. Summary of the invention

[0006] In view of this, according to one aspect of the present application, an automatic glue adding device for printing equipment is proposed, comprising a fixed bracket, a material transport trolley and a hopper; the fixed bracket is suitable for being fixed to the printing equipment;

[0007] The material transport trolley is movably connected to the fixed bracket, and a trolley feed inlet is arranged at the top of the material transport trolley, a trolley discharge port is arranged at the bottom, and a rubber pellet storage space is arranged in the middle; the hopper is suitable for being fixed to the printing equipment, and a hopper feed inlet is arranged at the top of the hopper, and a hopper discharge port is arranged at the bottom; the material transport trolley can deposit rubber pellets into the rubber pellet storage space by moving to connect to the hopper discharge port, or open the trolley discharge port to release the rubber pellets.

[0008] In one possible implementation, when the trolley rubber pellet storage space is connected to the hopper discharge port, the trolley discharge port is closed; when the trolley discharge port is opened, the trolley rubber pellet storage space is not connected to the hopper discharge port.

[0009] In one possible implementation, the material transport trolley is slidably connected to the fixed bracket; when the material transport trolley slides forward to a preset position, the trolley's rubber particle storage space is connected to the hopper discharge port; when the material transport trolley slides reversely to a preset position, the material transport trolley's discharge port is opened.

[0010] In one possible implementation, it also includes a material unloading slide and a limiting device; the material unloading slide is slidably connected to the bottom of the trolley; the limiting device is fixedly connected to the fixed bracket; when the material transport trolley moves, the limiting device can block the material unloading slide, so that the material unloading slide and the bottom of the material transport trolley slide relative to each other, thereby opening the material discharge port of the material transport trolley.

[0011] In one possible implementation, the hopper feed port is suitable for connecting with the manual feeding port of the printing equipment; the hopper discharge port extends into the interior of the trolley feed port, and there is a preset distance between the lower end of the hopper discharge port and the bottom of the trolley feed port, and the preset distance is smaller than the size of the rubber particles.

[0012] In one possible implementation, it also includes a tension spring, one end of which is fixed to one end of the material transport trolley near the material discharge port of the trolley, and the other end of the tension spring is fixed to the unloading slide plate.

[0013] In one possible implementation, the granule storage space is located at one end of the trolley feed port, the material transport trolley slides forward to a preset position, the hopper discharge port is above the granule storage space, and the area of ​​the connection between the hopper discharge port and the upper end of the granule storage space gradually increases; the material transport trolley slides reversely, and the area of ​​the connection between the hopper discharge port and the upper end of the granule storage space gradually decreases.

[0014] In one possible implementation, a T-shaped lead screw slide is horizontally arranged on one side of the fixed bracket, the T-shaped lead screw slide is transmission-connected to the motor, and a matching nut is installed on the side of the material transport trolley adjacent to the fixed bracket.

[0015] In one possible implementation, guide grooves are provided in the material transport trolley, and the guide grooves are provided on both sides of the unloading slide plate.

[0016] In one possible implementation, a buffer sleeve is provided on the limiting device; an opening structure is provided on the side of the material transport cart adjacent to the fixed bracket, and the limiting device extends into the interior of the material transport cart through the opening structure, and the horizontal length of the opening structure is greater than the maximum travel of the limiting device relative to the material transport cart.

[0017] The beneficial effects of the present invention are as follows: by adding a material transport trolley between the hopper and the glue pot as an intermediate storage hopper, the frequency of manual glue adding by the implementers is greatly reduced, and the risk factor of the device for the implementers in this field is reduced. In addition, due to the cooperation between the limit device and the blanking slide plate, the mechanical structure of the trolley's discharge port can be automatically opened and closed when the trolley reciprocates, which provides convenience for the implementers while improving the degree of automation of the device and reducing labor costs.

[0018] Furthermore, a material transport trolley is provided, which makes it easier to control the amount of glue added and the number of times of adding glue, thereby avoiding waste. While taking the cost into consideration, the working efficiency of the device is greatly improved.

[0019] Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the present application and, together with the description, serve to explain the principles of the present application.

[0021] Figure 1 A stereoscopic diagram showing the connection structure of the printer bridge device and the paper feed bridge device according to an embodiment of the present application;

[0022] Figure 2 A schematic diagram showing the three-dimensional structure of a printer bridge device according to an embodiment of the present application is shown;

[0023] Figure 3 A schematic diagram of the three-dimensional structure of a paper feed bridge device according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0024] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0025] Among them, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention or simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0028] In addition, in order to better illustrate the present application, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0029] Figure 1 A schematic diagram of the three-dimensional structure of the initial position of the automatic glue adding device 1000 of the printing equipment according to the embodiment of the present application is shown; Figure 2 A schematic diagram showing a three-dimensional structure of a critical position of an automatic glue adding device 1000 of a printing device according to an embodiment of the present application; Figure 3 A three-dimensional structural schematic diagram showing the end position of the automatic gluing device 1000 of the printing equipment according to an embodiment of the present application.

[0030] An automatic glue adding device for printing equipment comprises: a fixed bracket 1400, a material transport trolley 1200, a hopper 1100, a material unloading slide plate 1600 and a limiting device 1500; the fixed bracket 1400 is suitable for being fixed to the printing equipment; the material transport trolley 1200 is slidably connected to the fixed bracket 1400, and the material transport trolley 1200 is provided with a trolley feeding port at the top, a glue particle storage space at the middle, and a trolley discharging port at the bottom; the unloading slide plate 1600 is slidably connected to the bottom of the trolley; the limiting device 1500 is fixedly connected to the fixed bracket 1400; the material transport trolley 1200 slides forward, and the limiting device 1500 can Block the unloading slide 1600, make the unloading slide 1600 slide relative to the bottom of the trolley, and open the trolley discharge port; the material transport trolley 1200 slides in the opposite direction, and the unloading slide 1600 slides relative to the bottom of the trolley, and closes the trolley discharge port; the hopper 1100 is connected to the fixed bracket 1400, and the hopper 1100 is provided with a hopper feed port at the top and a hopper discharge port at the bottom, and the hopper feed port is suitable for connecting with the manual feeding port of the printing equipment; the hopper discharge port extends to the inside of the trolley feed port; the material transport trolley 1200 can deposit the rubber particles into the rubber particle storage space by moving the hopper discharge port, or open the trolley discharge port to release the rubber particles.

[0031] In this embodiment, the fixed bracket 1400 and the hopper 1100 are respectively fixed to the printing equipment, and the hopper 1100 is connected to the manual feeding port on the printing equipment. Since the glue particles loaded in this device are hot-melt glue particles, the hot-melt glue particles are of high temperature and have a certain degree of danger, which may cause burns to the implementers in this field. In order to minimize the number of interactions between the implementers and the manual feeding port of the printing equipment, a material transport cart 1200 is added to the automatic glue adding device 1000 of the printing equipment of this application as an intermediate storage hopper. On the one hand, through the cooperation of the set limit device 1500 and the unloading slide plate 1600, the glue storage amount in the glue particle storage space is controlled, the number of glue additions, and the quantity are more accurate, and it is avoided that the implementers in this field frequently add materials at the manual feeding port, which effectively improves the degree of automation of the device and greatly reduces the risk of the work. It should be pointed out here that the frequency of interaction between the implementers in this field and the manual feeding port, the amount of hot-melt adhesive particles in the hopper 1100 should be much larger than the storage capacity of the adhesive particle storage space, but it is necessary to ensure that the capacity of the hopper 1100 is reasonable and not too large, to avoid the hot-melt adhesive particles that remain in the hopper 1100 for a long time and do not enter the material transport cart 1200. Melting or other situations may cause the hot-melt adhesive particles to not meet the preset size, thereby affecting the addition of adhesive to the glue pot.

[0032] Furthermore, the material transport cart 1200 only serves as an intermediate storage hopper, and its specific shape is not limited. It is usually a square structure, and the discharge port of the hopper 1100 extends into the feed port of the material transport cart 1200. Since the material transport cart 1200 and the hopper 1100 move relative to each other, the feed port of the cart should be larger than the discharge port of the hopper. However, it should be noted that a gap is left between the two to prevent contact between the two and friction from causing damage to the components in the device.

[0033] The transmission mechanism for the relative movement of the material transport trolley 1200 and the hopper 1100 is not specifically limited in this embodiment. It can be a gear rack structure, a guide rail, a worm gear or other mechanical transmission structure, driven by a motor 1310, and the motor 1310 is electrically connected to the PLC control system to ensure that the material transport trolley 1200 can have a certain stroke in the horizontal direction.

[0034] More specifically, the material discharge slide 1600 is horizontally laid on the discharge port of the material transport trolley 1200. When the material transport trolley 1200 slides relative to the fixed bracket 1400 in the horizontal plane, the limiting device 1500 fixed on the fixed bracket 1400 can block the material discharge slide 1600, and the trolley discharge port is opened; the specific structure of the limiting device 1500 is not limited, it only needs to ensure that it can play a limiting role on the material discharge slide 1600 after it is in the preset position. Preferably, the limiting device 1500 can be a limiting rod, which has a simple structure, low cost, and can play a limiting role. It should be pointed out that the material discharge slide 1600 may not completely cover the trolley discharge port, or it may completely cover the trolley discharge port.

[0035] In one possible embodiment, the hopper feed port is suitable for connecting with the manual feeding port of the printing equipment; the hopper discharge port extends to the inside of the trolley feed port, and there is a preset distance between the lower end of the hopper discharge port and the bottom of the trolley feed port, the preset distance is smaller than the size of the rubber particles, and the rubber particle storage space is located at one end of the trolley feed port. The material transport trolley slides forward to the preset position, and the area of ​​the connection between the hopper discharge port and the upper end of the rubber particle storage space gradually increases above the hopper discharge port and the rubber particle storage space; the material transport trolley slides reversely, and the area of ​​the connection between the hopper discharge port and the upper end of the rubber particle storage space gradually decreases.

[0036] In this embodiment, the hopper feed port extends to the inside of the trolley feed port. When the material transport trolley 1200 slides forward, the hopper 1100 is slowly located directly above the rubber particle storage space under the action of relative movement. Before this, since the preset distance between the bottom end of the hopper discharge port and the trolley feed port is smaller than the size of the rubber particles, before the hopper 1100 is connected with the rubber particle storage space (i.e., there is partial overlap between the upper and lower parts), the rubber particles cannot leak out from the preset distance into the material transport trolley 1200. Only when the hopper discharge port is connected with the rubber particle storage space can the rubber particles enter the rubber pot through the material transport trolley 1200.

[0037] like Figure 1 , 2 As shown, in one specific embodiment, a T-type lead screw slide 1300 is horizontally arranged on one side of the fixed bracket 1400, the T-type lead screw slide 1300 is transmission-connected to the motor 1310, a matching nut is installed on the side of the material transport trolley 1200 adjacent to the fixed bracket 1400, and an opening structure is provided on the side of the material transport trolley 1200 adjacent to the fixed bracket 1400, and the horizontal length of the opening structure is greater than the maximum stroke of the limit device relative to the material transport trolley.

[0038] In this embodiment, the relative movement mode of the material transport cart 1200 and the hopper 1100 is sliding, and the T-type screw slide 1300 is rotated by the motor 1310. Since the material transport cart 1200 must be able to reciprocate, a forward and reverse motor must be selected. Preferably, the forward and reverse motor is a micro CNC stepper motor.

[0039] Furthermore, the horizontal length of the opening structure needs to be greater than the maximum travel of the limit device relative to the material transport trolley, so as to ensure that the setting of the opening structure does not limit the maximum displacement of the material transport trolley 1200. The opening structure can further save materials and make the design of the material transport trolley 1200 lighter.

[0040] More specifically, according to the working environment required by the automatic gluing device 1000 of the printing equipment of the present application, the stroke of the T-screw slide 1300 is limited to: the range of 50mm-200mm. The slide within this range is a micro-automatic slide. The micro-automatic slide within the range has better structural strength, and accordingly, the overall rigidity of the printing equipment will be stronger.

[0041] To this end, for the convenience of explanation, the states of the material transport trolley 1200 at multiple positions are named according to the drawings in the specification to facilitate clear expression in this article:

[0042] 1. Figure 1 The material transport trolley 1200 shown in the figure is the initial position, and the material transport trolley 1200 is in a standby state. When receiving a preset instruction, the hopper outlet is opened, and the hot melt glue particles enter the material transport trolley 1200, and the material transport trolley 1200 starts to move directly above the glue pot.

[0043] 2. Figure 2 The material transport trolley 1200 shown in the figure is in a critical state: at this time, the unloading slide plate 1600 has just come into contact with the limiting device, and the material discharge port of the trolley is about to open.

[0044] 3. Figure 3The material transport trolley 1200 shown in the figure is the end position, at which the material transport trolley 1200 is just above the glue pot, the material outlet of the trolley is fully opened, and the hot melt glue particles in the material transport trolley 1200 are unloaded.

[0045] After explaining the three states, the working process of the automatic glue adding device 1000 of the printing equipment of the present application is as follows: in the initial position, the unloading slide plate 1600 completely covers the discharge port, and fills the material transport cart 1200 with hot melt glue pellets through the feed port of the hopper 1100, waiting for subsequent instructions; after receiving the glue adding instruction, the forward and reverse motor drives the T-type lead screw slide 1300 slide and the material transport cart 1200 to move in the direction of the lead screw adjacent to the glue pot until reaching the critical position, where the vertical plate contacts the limit rod, and the material transport cart 1200 It continues to move toward the adjacent glue pot, but the unloading slide 1600 cannot move together with the material transport trolley 1200 due to the limiting effect of the limit rod, the discharge port is opened, and the area of ​​the discharge port not covered by the unloading slide 1600 gradually increases; until the material transport trolley 1200 reaches the end position directly above the glue pot, the discharge port is fully opened, the hot melt glue particles in the material transport trolley 1200 are completely unloaded, the forward and reverse motors drive the T-screw slide 1300 slide and the material transport unloading trolley to reverse transmission, and the material transport trolley 1200 returns to the initial position and waits for the next glue adding instruction.

[0046] In this embodiment, the hopper 1100 is a structure with a thick top and a thin bottom. The specific structure is not limited. Those skilled in the art can appropriately adjust the shape of the hopper 1100 according to the structure of the printing equipment, which will not be described in detail in this article. The hopper 1100 is connected to the manual feeding port of the printing equipment. There is a gapless connection here to prevent hot melt glue particles from spilling into the equipment and affecting the operation of the equipment. A manual door is installed at the manual feeding port. According to the different amounts of hot melt glue particles, the implementers in this field can fill the hopper 1100 with hot melt glue particles by manually opening the door from time to time. The automatic glue adding device 1000 of the printing equipment of the embodiment of the present application can operate normally.

[0047] like Figure 2As shown, more specifically, the material transport trolley 1200 can be a high temperature resistant sheet metal part, taking into account the characteristics of light weight, low cost and high strength. The discharge port of the trolley can be circular or square. Preferably, the discharge port is square. Since the material transport trolley 1200 is a sheet metal part with a cubic structure, the square discharge port can discharge more materials per unit time than the circular discharge port. While ensuring the simple structure and easy processing and assembly, it can also improve the unloading efficiency and further speed up the working efficiency of the printing equipment. The edge of the circular discharge port has more dead angles than the edge of the square structure. Although this problem can be solved by the inclined bottom design and gravity factors, it undoubtedly creates unnecessary troubles in production and processing. It should also be noted that in addition to the mechanical structure in this device, each electric component, motor 1310, etc. can control the device through a PLC control system.

[0048] In general, the automatic gluing device 1000 of the printing equipment of the present application is based on the roller-type automatic gluing method introduced in the background technology, and is equipped with a material transport cart 1200 as an "intermediate storage hopper". The amount of glue added each time and the number of times of gluing are controlled by a PLC control system, and the number of times people come into contact with hot-melt glue particles is greatly reduced, which greatly improves the safety of the printing equipment. In addition, the automatic gluing device 1000 of the printing equipment of the present application improves the simplicity and automation of the printing equipment, making the functions of the device more complete.

[0049] In one of the specific embodiments, a tension spring is also included, one end of which is fixed to one end of the material transport trolley 1200 near the discharge port, and the other end of the tension spring is fixed to the unloading slide 1600.

[0050] In this embodiment, a tension spring is installed on the material transport trolley 1200, one end of the tension spring is fixed to the end of the material transport trolley 1200 near the discharge port, and the other end of the tension spring is fixed to the unloading slide 1600. The specific installation positions of the two ends of the tension spring are not limited, but it is clear that the installation position of the tension spring does not interfere with the normal unloading of the trolley discharge port.

[0051] Furthermore, setting a tension spring can better solve the resetting problem of the unloading slide 1600. When the material transport cart 1200 moves back from the end position, the unloading slide 1600 loses the restriction of the limit device 1500 and can move to the end away from the discharge port together with the material transport cart 1200. However, at this time, the unloading slide 1600 cannot completely cover the discharge port. After the material transport cart 1200 returns to its initial position, continuing to add hot-melt glue particles will cause the glue particles to leak out of the material transport cart 1200, causing more accidents and dangerous situations. The tension spring plays a vital role in the reset of the unloading slide 1600. When the material transport trolley 1200 approaches the terminal position, the tension spring is slowly stretched. During the return of the material transport trolley 1200, the tension spring is reset. The unloading slide 1600 is reset due to the tension of the tension spring, and once again completely covers the discharge port, waiting for the next glue adding instruction. At this time, the hopper discharge port will be opened to prevent some glue particles from entering the material transport trolley 1200 in advance before the unloading slide 1600 completely covers the trolley discharge port. It should be pointed out that the tension spring in the automatic glue adding device 1000 of the printing equipment of the embodiment of the present application must be within the elastic limit throughout the whole process and cannot exceed the deformation of the tension spring itself.

[0052] In one specific embodiment, a buffer sleeve is provided on the limiting rod.

[0053] In this embodiment, each time the material transport trolley 1200 performs the glue adding operation, the material unloading slide plate 1600 will contact the limiting device 1500, causing a collision. This "hard-on-hard" approach will lead to frequent maintenance or replacement of related parts, seriously affecting the service life of the device. Installing a buffer sleeve outside the limiting device 1500 can effectively reduce the magnitude of this impact, while reducing the maintenance frequency and extending the service life of the entire device. When the limiting device 1500 is a limiting rod, the shape of the limiting rod is not specifically limited, and can be a round rod or a square rod, as long as it can effectively limit the unloading slide plate 1600.

[0054] like Figure 1 As shown, in one of the specific embodiments, a limit sensor 1410 is provided on the fixed bracket 1400 , and the limit sensor 1410 is used to detect the position of the material transport cart 1200 .

[0055] In this embodiment, a limit sensor 1410 is installed at one end of the fixed bracket 1400 near the initial position of the material transport cart 1200. The limit sensor 1410 is electrically connected to the PLC. The limit sensor 1410 detects and identifies the position of the material transport cart 1200, thereby controlling the start and stop of the motor 1310.

[0056] In one specific embodiment, a height adjustment portion is provided on the fixed bracket 1400, and the height adjustment portion can adjust the gap between the hopper discharge port and the material transport cart 1200 up and down within a preset range to prevent accidents. Preferably, the gap between the hopper discharge port and the cart feed port is 1 mm.

[0057] In this embodiment, the specific structure of the height adjustment part and the fixed bracket 1400 is not limited. What needs to be determined is that, because the hopper 1100 is fixed to the printing device, by fine-tuning the fixed bracket 1400 in the vertical direction, the material transport trolley 1200 is fine-tuned together through the connection structure of the nut and the T-type lead screw slide 1300, so that the height adjustment part can at least adjust the gap size between the hopper 1100 and the material transport trolley 1200 in the vertical direction, and the hot melt adhesive particles will not leak from the material transport trolley 1200. The fixed bracket 1400 is strong enough and the structure matches the specific printing device. Generally speaking, the height adjustment part can be an adjustment screw, and a corresponding threaded hole is provided on the fixed bracket 1400. The gap size between the hopper 1100 and the material transport trolley 1200 is adjusted by rotating the adjustment screw.

[0058] like Figure 3 As shown, in one specific embodiment, a guide groove 1221 is provided in the material transport cart 1200 , and the guide groove 1221 is provided on both sides of the unloading slide plate 1600 .

[0059] In this embodiment, the unloading slide 1600 may be offset in the limit device 1500 perpendicular to the reciprocating motion direction of the material transport trolley 1200, so a guide groove 1221 is provided in the material transport trolley 1200 to ensure that the unloading slide 1600 only slides in the motion direction of the material transport trolley 1200 and will not be offset in other directions. However, it should be noted that the guide groove 1221 and the unloading slide 1600 should not have an interference fit, as an interference fit will aggravate the wear of each component and cause greater friction, and is not conducive to the sliding of the material transport trolley 1200.

[0060] In one specific embodiment, the hopper 1100 is a tapered structure with a thick top and a thin bottom. An automatic glue adding device 1000 for a printing device.

[0061] In one of the specific embodiments, the T-type lead screw slide 1300 and the micro CNC stepping forward and reverse motor 1310 are an integrated kit.

[0062] In this embodiment, the T-type lead screw slide 1300 and the micro CNC stepping forward and reverse motor 1310 are an integrated kit. The integrated production and processing method greatly improves the processing efficiency, reduces the assembly time, makes the assembly process of the device more reasonable, and saves a certain amount of cost.

[0063] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. An automatic glue adding device for printing equipment, characterized in that: It includes a fixed bracket, a material transport trolley and a hopper; The fixing bracket is suitable for fixing to the printing device; The material transport trolley is movably connected to the fixed bracket, and a trolley feed port is arranged on the top of the material transport trolley, a trolley discharge port is arranged on the bottom, and a pellet storage space is arranged in the middle; The hopper is suitable for being fixed to the printing device, and the hopper has a hopper feed opening at the upper part and a hopper discharge opening at the lower part; The material transport trolley can store the rubber pellets into the rubber pellet storage space by moving to communicate with the hopper discharge port, or open the trolley discharge port to release the rubber pellets; When the pellet storage space is connected to the hopper discharge port, the trolley discharge port is closed; When the trolley discharge port is opened, the pellet storage space is not connected to the hopper discharge port; The material transport trolley is slidably connected to the fixed bracket; When the material transport trolley slides forward to a preset position, the pellet storage space is connected to the material hopper discharge port; when the material transport trolley slides reversely to a preset position, the material transport trolley discharge port is opened; It also includes a material unloading slide and a limiting device; The unloading slide plate is slidably connected to the bottom of the trolley; The limiting device is fixedly connected to the fixed bracket; when the material transport trolley moves, the limiting device can block the unloading slide plate, so that the unloading slide plate and the bottom of the material transport trolley slide relative to each other, and the material discharge port of the material transport trolley is opened; The hopper feed port is suitable for communicating with the manual feed port of the printing device; the hopper discharge port extends to the inside of the trolley feed port, and there is a preset distance between the lower end of the hopper discharge port and the bottom of the trolley feed port, and the preset distance is smaller than the size of the rubber particles; The granule storage space is located at one end of the trolley feed port, and the material transport trolley slides forward to a preset position, and the area of ​​the hopper discharge port and the granule storage space above the hopper discharge port, and the connection area between the hopper discharge port and the upper end of the granule storage space gradually increases; the material transport trolley slides reversely, and the area of ​​the hopper discharge port and the upper end of the granule storage space gradually decreases.

2. The automatic glue adding device of the printing equipment according to claim 1, characterized in that: It also includes a tension spring, one end of which is fixed to one end of the material transport trolley near the material discharge port of the trolley, and the other end of the tension spring is fixed to the unloading slide plate.

3. The automatic glue adding device of the printing equipment according to claim 1, characterized in that: A T-shaped lead screw slide is horizontally arranged on one side of the fixed bracket, and the T-shaped lead screw slide is transmission-connected to the motor. A matching nut is installed on the side of the material transport trolley adjacent to the fixed bracket.

4. The automatic glue adding device for printing equipment according to claim 1, characterized in that: The material transport trolley is provided with guide grooves, and the guide grooves are arranged on both sides of the unloading slide plate.

5. The automatic glue adding device for printing equipment according to claim 1, characterized in that: The limiting device is provided with a buffer sleeve; An opening structure is provided on one side of the material transport trolley adjacent to the fixed bracket, and the limiting device extends into the interior of the material transport trolley through the opening structure. The horizontal length of the opening structure is greater than the maximum travel of the limiting device relative to the material transport trolley.

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