Slit coating head

Abstract

The utility model relates to the technical field of coating, in particular to a slit coating head which comprises a die body, the die body comprises a front die and a rear die which are attached to each other, a runner is arranged in the die body, a slit is arranged on the side edge of one side of the die body, the slit is communicated with the runner, a feed port is arranged on the die body, and the feed port is communicated with the front die and the rear die. The feeding port is communicated with the runner, mounting screw holes are formed in the two ends of the mold body, and mold lifting bolts are in threaded connection with the mounting screw holes. The utility model has the effects of thin thickness, small total volume, convenience in disassembly and assembly, cold and hot universality, compatibility of horizontal and vertical installation, high coating precision and high coating quality, and convenience in use on small coating equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coating, in particular to a slit coating head. BACKGROUND

[0002] Coating machine, also known as brush coating machine, doctor blade coating machine, spray coating machine etc., is an essential production equipment in processing assembly line, printing, electronics, furniture, toys etc. industry. It is mainly used for the surface coating process production of film, paper, cloth, metal etc. substrate, and after drying, it is cut into pieces or rolled up. Coating machine can be divided into various types according to different coating methods and principles, such as brush coating machine, air knife coating machine, doctor blade coating machine, roller coating machine, spray coating machine, curtain coating machine etc. The slit coating is a kind of coating technology, which coats solution, slurry or extruded film on flat substrate such as glass, metal, paper, fabric or plastic foil etc. through a slit coating head. However, the slit coating head on the market has a large volume, and is generally used in large coating equipment, so a slit coating head which can be conveniently installed and used in small coating equipment is needed. SUMMARY

[0003] In order to facilitate the installation and use of the coating head on the small coating equipment, the utility model provides a slit coating head for the prior art problems.

[0004] The utility model provides a slit coating head, adopts the following technical scheme:

[0005] A slit coating head, comprising a die body, the die body comprises a front die and a rear die which are attached, a flow channel is arranged in the die body, a slit is arranged on one side edge of the die body, the slit is communicated with the flow channel, a feed inlet is arranged on the die body, the feed inlet is communicated with the flow channel, mounting screw holes are arranged at both ends of the die body, and lifting die bolts are threadedly connected to the mounting screw holes.

[0006] Preferably, the feed inlet is located on the front die, and the flow channel is located on the side surface of the rear die facing the front die.

[0007] Preferably, a spacer is arranged between the front die and the rear die.

[0008] Preferably, a positioning block is connected between the front die and the rear die, positioning screw holes are arranged on the front die and the rear die, a positioning bolt is connected between the positioning block and the positioning hole, and the positioning bolt is threadedly connected with the positioning screw hole.

[0009] Preferably, a plurality of fixing bolts are threadedly connected between the front die and the rear die.

[0010] Preferably, the one side side edge of the slit of the die body is provided in a V shape.

[0011] Preferably, the front die and the rear die are both provided with mounting holes for mounting the heating wire.

[0012] In summary, the utility model discloses at least one of the following beneficial technical effects of the slit coating head:

[0013] The die body can be conveniently installed on the coating equipment by connecting the die lifting bolt to the mounting screw hole and installing the die lifting bolt on the coating equipment, the coating head of the utility model adopts a miniaturized structure design, has a thin thickness, a small overall volume, can coat two kinds of general-purpose cold glue and hot glue, is compatible with horizontal and vertical installation, the glue flow in the die body is accurately controlled, and high-precision and high-quality coating effect can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is a structure schematic view of another perspective of the utility model.

[0016] Figure 3 It is an explosion schematic view of the utility model.

[0017] Figure 4 It is an explosion schematic view of the utility model.

[0018] In the drawing: 1, die body; 11, slit; 12, mounting screw hole; 13, positioning screw hole; 14, fixing bolt; 15, mounting hole; 2, front die; 21, feed inlet; 3, rear die; 31, flow channel; 4, die lifting bolt; 5, positioning block; 51, positioning bolt; DETAILED DESCRIPTION

[0019] 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 protection scope of the utility model.

[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0021] The utility model embodiment discloses a slit coating head, as shown in Figures 1-4 The utility model discloses a slit coating head, as shown in

[0022] In addition, the front mold 2 and the rear mold 3 are provided with a partition plate between them, the three side edges of the opposite surfaces of the front mold 2 and the rear mold 3 are attached to the partition plate, the partition plate can seal the space between the front mold 2 and the rear mold 3, so that the glue is not easy to leak from the gap between the front mold 2 and the rear mold 3, and the use of the partition plate can reduce the processing of the slit 11, the side edge between the front mold 2 and the rear mold 3 forms the slit 11 due to the partition plate, the glue can flow out from the slit 11, which reduces the processing cost, in addition, a groove can also be processed on the opposite surface of the front mold 2 or the rear mold 3 to form the slit 11. In addition, the side edge of the mold body 1 provided with the slit 11 is V-shaped, which can reduce the overall weight of the mold body 1.

[0023] In addition, the front mold 2 and the rear mold 3 are connected with two positioning blocks 5, a plurality of positioning screw holes 13 are arranged on the side of the front mold 2 and the rear mold 3 away from the slit 11, the plurality of positioning screw holes 13 are arranged along the length direction of the mold body 1, the positioning blocks 5 and the positioning holes are connected with positioning bolts 51, the screw rod part of the positioning bolt 51 movably penetrates the positioning block 5, the positioning bolt 51 is screwed with the positioning screw hole 13, meanwhile, a plurality of fixing bolts 14 are screwed between the front mold 2 and the rear mold 3, when the front mold 2 and the rear mold 3 are installed together, the operator first connects the front mold 2 and the rear mold 3 by using the positioning block 5 and the positioning bolt 51, and then screws the plurality of fixing bolts 14 on the front mold 2 and the rear mold 3, so as to fix the front mold 2 and the rear mold 3 together. In addition, the two ends of the front mold 2 and the rear mold 3 are provided with mounting screw holes 12, the mounting screw holes 12 are screwed with lifting mold bolts 4, a part of the screw rod of the lifting mold bolt 4 is screwed in the mounting screw hole 12, the lifting mold bolt 4 is installed on the coating equipment, so that the mold body 1 can be installed on the coating equipment conveniently and quickly. In addition, the front mold 2 and the rear mold 3 are provided with mounting holes 15, the mounting holes 15 are arranged along the length direction of the mold body 1, and the mounting holes 15 are used for installing the electric heating wire, after the electric heating wire is installed on the mounting hole 15, when heating coating is needed, the electric heating wire generates heat by being electrified, so as to heat the mold body 1, thereby heating the glue in the mold body 1.

[0024] The implementation principle of the slit coating head is that the operator connects the front mold 2 and the rear mold 3 by using the positioning block 5 and the positioning bolt 51, then screws the plurality of fixing bolts 14 on the front mold 2 and the rear mold 3, fixes the front mold 2 and the rear mold 3 together, then connects the lifting mold bolt 4 to the mounting screw hole 12, and installs the lifting mold bolt 4 on the coating equipment, so that the mold body 1 can be installed on the coating equipment conveniently, the coating head adopts a miniaturized structure design, has a small thickness and a small overall volume, can coat two kinds of general-purpose cold glue and hot glue, is compatible with horizontal and vertical installation, the glue control of the internal flow channel 31 of the mold body 1 is accurate, and high-precision and high-quality coating effect can be realized.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model discloses the above-mentioned preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art, without departing from the technical scheme range of the utility model, when utilizing the disclosed technical content makes some changes or modifications for equivalent embodiments of equivalent changes, but as long as it does not depart from the technical scheme content of the utility model, according to the utility model technology refers to any simple modification, equivalent change and modification made to the above-mentioned embodiment, which belongs to the range of the utility model technical scheme.

Claims

1. A slot die head characterized by: The utility model provides a mould body (1) comprising a front mould (2) and a back mould (3) that are in close contact, a flow channel (31) is arranged in the mould body (1), a slit (11) is arranged on one side edge of the mould body (1), the slit (11) is communicated with the flow channel (31), a feeding port (21) is arranged on the mould body (1), the feeding port (21) is communicated with the flow channel (31), mounting screw holes (12) are arranged at both ends of the mould body (1), and lifting mould bolts (4) are threadedly connected with the mounting screw holes (12).

2. The slot die head of claim 1, wherein: The feeding port (21) is located on the front mould (2), and the flow channel (31) is located on the side surface of the back mould (3) that faces the front mould (2).

3. The slot die head of claim 1, wherein: A partition piece is arranged between the front mould (2) and the back mould (3).

4. The slot die head of claim 1, wherein: A positioning block (5) is connected between the front mould (2) and the back mould (3), positioning screw holes (13) are arranged on the front mould (2) and the back mould (3), and a positioning bolt (51) is connected between the positioning block (5) and the positioning screw holes (13).

5. The slot die head of claim 1, wherein: The front mould (2) and the back mould (3) are threadedly connected with a plurality of fixing bolts (14).

6. The slot die head of claim 1, wherein: The side edge of the mould body (1) that is provided with the slit (11) is arranged in a V shape.

7. The slot die head of claim 1, wherein: Mounting holes (15) are arranged on the front mould (2) and the back mould (3), and the mounting holes (15) are used for mounting electric heating wires.

Images