Anti-collision device of UV printer nozzle

Abstract

The utility model discloses an anti-collision device for a UV printer nozzle, and relates to the technical field of UV printers, the anti-collision device comprises a mounting rack and a collision elastic sheet, an elastic sheet connecting plate is fixed at the top end of the rear side of the collision elastic sheet, and connecting seats are symmetrically mounted at the positions, corresponding to the two ends of the elastic sheet connecting plate, of the front side of the mounting rack; a plurality of elastic piece springs are installed at the lower end of the rear side of the collision elastic piece at equal intervals, inductors are symmetrically installed at the two ends of the inner side of the installation frame, induction contact pieces are arranged on the front side faces of the inductors, and the other ends of the induction contact pieces are located on the rear side face of the collision elastic piece and make contact with the collision elastic piece. According to the design, the collision elastic piece and the elastic piece spring are additionally arranged at the lower end of the front side of the printer, so that the collision elastic piece and the elastic piece spring are conveniently pressed inwards to deform when being collided, the induction contact piece is in contact with the induction contact, the inductor sends a signal to the printer controller, the printer controller controls the printer to stop working, and the phenomena that the printer is collided, a printing substrate or a spray head is scraped are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of UV printer, especially a kind of anti-collision device of UV printer nozzle. BACKGROUND

[0002] UV printer is a kind of equipment by ultraviolet (UV) curing technology printing, it is widely used in planar printing, three-dimensional printing, identification printing, packaging printing and multiple fields, and the nozzle of UV printer is the core component that ink is sprayed to material surface and is cured by UV light.Nozzle is usually composed of multiple tiny nozzles, and each nozzle is responsible for spraying ink droplets;

[0003] When UV printer nozzle is in the process of doing distance high-speed reciprocating motion printing, if material bulge, platform has the situation of obstacle, it will cause printer nozzle and material surface to collide or excessive contact, to cause the damage, blockage even rupture of nozzle,

[0004] Second, if material bulge is higher, it will also appear to crash printer, scratch printing substrate and other risks, so it not only affects printing effect, but also causes the high cost of equipment maintenance and replacing nozzle, therefore, the utility model provides a kind of anti-collision device of UV printer nozzle. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides a kind of anti-collision device of UV printer nozzle, solves the problems raised in the above background art.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of anti-collision device of UV printer nozzle, including the mounting bracket of being installed in the lower end of UV printer front side, the mounting bracket is fixed on UV printer by mounting plate, the front side of the mounting bracket is equipped with collision spring leaf, the rear side top end of the collision spring leaf is fixed with spring leaf connecting plate, the front side of the mounting bracket is symmetrically equipped with connecting seat at the both ends of spring leaf connecting plate corresponding;

[0007] The rear side lower end of the collision spring leaf is equipped with multiple spring leaves at equal intervals, the inboard both ends of the mounting bracket are symmetrically equipped with inductor, the front side of the inductor is provided with inductive contact piece, the other end of the inductive contact piece is located at the rear side of the collision spring leaf and is in contact with it.

[0008] As a further technical scheme of the utility model, the spring leaf connecting plate and connecting seat are rotatably connected, and the top end of the collision spring leaf is rotatably connected with the connecting seat through the spring leaf connecting plate.

[0009] As a further technical scheme of the utility model, one end of the elastic sheet spring is fixed with the rear side of the collision elastic sheet, and the other end of the elastic sheet spring is connected with the front side lower end of the mounting frame.

[0010] As a further technical scheme of the utility model, the collision elastic sheet is on the front side of the mounting frame and parallel with the mounting frame in the vertical direction.

[0011] As a further technical scheme of the utility model, the front side of the inductor is provided with an inductive contact head at the middle position of the inductive contact sheet, and the inductive contact sheet is made of metal.

[0012] The utility model provides a kind of anti-collision device of UV printer nozzle, and compared with prior art has the following beneficial effects:

[0013] The design is provided with collision elastic sheet and elastic sheet spring at the lower end of the front side of printer, which is convenient to deform under internal pressure when being impacted, so that the inductive contact sheet contacts the inductive contact head, the inductor sends signal to printer controller, and the printer is controlled to stop working, secondly, the collision force can be buffered and eliminated by the cooperation of collision elastic sheet and elastic sheet spring, to avoid the phenomenon of hitting the printer, scratching the printing substrate or scratching the nozzle, and the elastic deformation force of elastic sheet spring is better, which can effectively complete the recovery process of equipment, the inductor has high sensitivity, automatically senses the impact condition and sends information to equipment printer controller, and stops working in time. DRAWINGS

[0014] Figure 1 It is the structure diagram of anti-collision device of UV printer nozzle;

[0015] Figure 2 It is the rear view of anti-collision device of UV printer nozzle;

[0016] Figure 3 It is Figure 2 Sectional view of A-A;

[0017] Figure 4 It is the internal structure diagram of anti-collision device of UV printer nozzle;

[0018] Figure 5 It is the internal structure plan view of anti-collision device of UV printer nozzle;

[0019] Figure 6 It is the installation diagram of inductive contact sheet and inductive contact head in anti-collision device of UV printer nozzle.

[0020] In the figure: 1, mounting frame; 11, connecting seat; 12, inductor; 13, inductive contact; 14, inductive contact head; 2, collision spring; 21, spring spring; 22, spring connecting plate; 3, mounting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a kind of anti-collision device of UV printer nozzle technical scheme: a kind of anti-collision device of UV printer nozzle, including the mounting frame 1 of being installed in the front lower end of UV printer, mounting frame 1 is fixed on UV printer by mounting plate 3, the front side of mounting frame 1 is equipped with collision spring 2, collision spring 2 is in the front side of mounting frame 1 and parallel with mounting frame 1 in vertical direction, the rear side top end of collision spring 2 is fixed with spring connecting plate 22, the front side of mounting frame 1 is symmetrically equipped with connecting seat 11 at the both ends of spring connecting plate 22, it is rotationally connected between spring connecting plate 22 and connecting seat 11, the top end of collision spring 2 is rotationally connected with connecting seat 11 by spring connecting plate 22, when the lower end of collision spring 2 is impacted (i.e. extrusion force) will make its lower end close to mounting frame 1, at this time, it will extrude spring 21, and make it change shape, using the cooperation of collision spring 2 and spring 21, to buffer and eliminate impact force, avoid the phenomenon that printer is hit, print substrate is scratched or the nozzle is scratched, and when collision spring 2 is impacted and reset by spring 21 reset force, its upper end is rotationally connected between spring connecting plate 22 and connecting seat 11, to ensure the flexibility of collision spring 2;

[0023] The rear side lower end of collision spring 2 is equipped with a plurality of spring 21 at equal intervals, one end of spring 21 is fixed with the rear side of collision spring 2, and the other end of spring 21 is connected with the front side lower end of mounting frame 1, the lower end of collision spring 2 is fixed with mounting frame 1 by spring 21, when collision spring 2 is impacted, the buffer of a plurality of spring 21 can reduce the impact force it receives, secondly, collision spring 2 can also protect the nozzle of printer and print substrate, to avoid damage.

[0024] The inner side of the mounting frame 1 is symmetrically provided with an inductor 12, the front side of the inductor 12 is provided with an inductive contact 13, the other end of the inductive contact 13 is located at the rear side of the collision spring 2 and is in contact with the collision spring 2, the front side of the inductor 12 is provided with an inductive contact 14 corresponding to the middle position of the inductive contact 13, that is, the inductive contact head, the inductive contact 13 is made of metal, when the collision spring 2 is subjected to a collision force, the lower end of the inductive contact 13 will move towards the mounting frame 1, at this time, the collision spring 2 will push the inductive contact 13 to move towards the inductive contact head 14, when the inductive contact 13 contacts the inductive contact head 14, the inductor 12 will be triggered to send a signal to the printer controller to control the printer to stop working, which is convenient for the staff to check.

[0025] The working principle of the utility model is as follows: the device is installed on the printer through the mounting plate 3, when the printer is in the process of high-speed reciprocating printing at a fixed distance, if the material bulges or there are obstacles on the platform, the bulging material or the platform obstacles will touch the collision spring 2 at the lower end of the front side of the printer, at this time, the collision spring 2 at the lower end is subjected to a collision force (that is, a pressing force) and moves towards the mounting frame 1, and the spring 21 is pressed to deform, at this time, the collision spring 2 and the spring 21 are matched to buffer and eliminate the collision force, so that the printer, the printed substrate or the nozzle is not damaged;

[0026] Further, when the collision spring 2 is subjected to a collision force and moves towards the mounting frame 1, the collision spring 2 pushes the inductive contact 13 to move towards the inductive contact head 14, when the inductive contact 13 contacts the inductive contact head 14, the inductor 12 is triggered to send a signal to the printer controller to control the printer to stop working, and secondly, the printer controller can also control the printer warning light to be turned on, which is convenient for the staff to check.

[0027] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, which should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A collision avoidance device for a UV printer printhead, comprising a mounting bracket (1) installed on the lower front side of the UV printer, the mounting bracket (1) being fixed to the UV printer by a mounting plate (3), characterized in that, The front side of the mounting bracket (1) is equipped with a collision spring (2), and the rear top of the collision spring (2) is fixed with a spring connecting plate (22). The front side of the mounting bracket (1) is symmetrically equipped with connecting seats (11) at both ends of the spring connecting plate (22). Multiple springs (21) are installed at equal intervals on the lower rear side of the impact spring (2). Sensors (12) are symmetrically installed on both ends of the inner side of the mounting bracket (1). A sensor contact (13) is provided on the front side of the sensor (12). The other end of the sensor contact (13) is located on the rear side of the impact spring (2) and is in contact with it.

2. The anti-collision device for a UV printer printhead according to claim 1, characterized in that, The spring connecting plate (22) and the connecting seat (11) are rotatably connected, and the top of the collision spring (2) is rotatably connected to the connecting seat (11) through the spring connecting plate (22).

3. The anti-collision device for a UV printer printhead according to claim 1, characterized in that, One end of the spring (21) is fixed to the rear side of the impact spring (2), and the other end of the spring (21) is connected to the lower end of the front side of the mounting bracket (1). The lower end of the impact spring (2) is fixed to the mounting bracket (1) through the spring (21).

4. The anti-collision device for a UV printer printhead according to claim 1, characterized in that, The impact spring (2) is located on the front side of the mounting frame (1) and is parallel to the mounting frame (1) in the vertical direction.

5. The anti-collision device for a UV printer printhead according to claim 1, characterized in that, The front side of the sensor (12) is equipped with a sensor contact (14) at the middle position of the sensor contact piece (13), and the sensor contact piece (13) is made of metal.

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