CN211726342U - Height adjusting mechanism for circuit board coating machine - Google Patents

Abstract

The utility model provides a height adjusting mechanism for a circuit board coating machine, which comprises a rack top plate; four support rods are symmetrically and movably embedded in the two sides of the top plate of the rack; two compression rollers are movably and symmetrically arranged between the two compression roller fixing plates through a rotating shaft, and a coating roller is arranged below the two compression rollers; a screw rod is embedded into the inner side of the top plate of the rack through threads, and the bottom of the screw rod is rotatably connected with the upper supporting plate through a bearing; and a hand wheel is fixedly arranged at the top of the screw rod. The setting of bracing piece and screw rod is favorable to improving stability and the precision of using, and this device also can reciprocate in the round hole of frame roof both sides at the in-process bracing piece of adjusting from top to bottom through the screw rod, and these bracing pieces can avoid going up backup pad and compression roller fixed plate and control and rock, and the compression roller is just also more stable in scribbling black in-process to control the adjusting distance more easily when the height that reciprocates through the screw rod adjustment, improve and adjust the precision.

Description

Height adjusting mechanism for circuit board coating machine

Technical Field

The utility model belongs to the technical field of coating machine inking equipment, more specifically say, in particular to high adjustment mechanism for circuit board coating machine.

Background

When a circuit board is coated with line ink, the ink is printed by hand screen printing in the early stage, at present, in order to improve the production efficiency, a coating machine is generally adopted for printing the ink, the coating machine is mostly a roller type coating machine, coating is applied to the surface of a coating belt by a coating roller, the coating amount can be adjusted by measuring the pressure between the rollers, the pressure is enhanced, the throughput of the coating is reduced, and the coating amount is also reduced. However, when the coating roll coats the coating belt surface, the thickness of glue on the coated cloth surface is different due to the change of the viscosity of the glue, and the consistency of the product is seriously influenced, so that some devices for adjusting the height of the press roll are provided.

For example, application number is 201720440940.1's patent discloses a device for coating machine regulation compression roller height, both sides compression roller both sides axle head between all connect through horizontal fixed plate, both sides horizontal fixed plate top surface's central point department all be equipped with the triangle base, support a fixed mounting connecting axle between the triangle base, connecting axle and compression roller parallel arrangement each other, and set up between the compression roller of both sides, cup joint on the connecting axle and be equipped with the sleeve pipe, vertical direction sets up the pneumatic cylinder on the coating frame bottom plate, the pneumatic cylinder passes through the guide arm and the sleeve pipe fixed connection that sets up under with. By adopting the technical scheme, the structure is simple, the press fit clearance between the press roll and the coating roll is convenient to adjust, the press fit clearance is realized by synchronously pulling up or pushing down the press roll through the hydraulic cylinder assembly, the coating press fit when the coating viscosity is large is met, the coating uniformity of the coating layer is ensured, the thickness of the coating layer is kept consistent, and the improvement of the quality of a coated product is facilitated.

Based on the above search, the above patent combines with most of the prior art coating machine roller height adjusting devices, which have the following problems in use: present coating machine compression roller height adjusting device all is connected through two compression rollers of a hydraulic stem and bottom, because do not have other support connection structure, so support the unstability easily after adjusting from top to bottom, just also rock easily at the in-process of scribbling the china ink, adjust the distance of adjusting from top to bottom also not easy to control through the pneumatic cylinder from top to bottom in addition, adjust excessively very easily, the precision is relatively poor.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a height adjusting mechanism for a circuit board coating machine is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high adjustment mechanism for circuit board coating machine to solve present coating machine compression roller high adjustment mechanism and all be connected through two compression rollers of a hydraulic stem and bottom, because there is not other support connection structure, so support the unstability easily after adjusting from top to bottom, just also rock easily at the in-process of scribbling the china ink, adjust the distance of adjusting from top to bottom also not easy to control through the pneumatic cylinder in addition, adjust excessively very easily, the relatively poor problem of precision.

The utility model discloses circuit board coating machine is with high adjustment mechanism's purpose and efficiency is reached by following concrete technological means:

a height adjusting mechanism for a circuit board coating machine comprises a rack top plate; four support rods are symmetrically and movably embedded in the two sides of the top plate of the rack; the bottoms of the four supporting rods are respectively connected with the tops of the two compression roller fixing plates in a group two by two, and the tops of the four supporting rods are connected with each other through four supporting rod connecting plates; two compression rollers are movably and symmetrically arranged between the two compression roller fixing plates through a rotating shaft, and a coating roller is arranged below the two compression rollers; the top parts of the two compression roller fixing plates are fixedly connected with an upper supporting plate; a screw rod is embedded into the inner side of the top plate of the rack through threads, and the bottom of the screw rod is rotatably connected with the upper supporting plate through a bearing; and a hand wheel is fixedly arranged at the top of the screw rod.

Further, the top plate of the rack is embedded with the screw rod through a middle threaded hole, and the screw rod can push the upper supporting plate and the compression roller fixing plate to move up and down when rotating.

Furthermore, the support rods are respectively arranged on the front side and the rear side of the top of the compression roller fixing plate and are symmetrical front and rear of the top of the compression roller fixing plate.

Furthermore, both sides of the top plate of the frame are provided with two round holes corresponding to the sizes of the support rods, and the support rods can also move up and down in the round holes on both sides of the top plate of the frame when the compression roller fixing plate moves up and down.

Furthermore, the tops of the supporting rods are fixedly connected through four supporting rod connecting plates, and the supporting rod connecting plates form a rectangular structure after being connected.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of bracing piece and screw rod is favorable to improving stability and the precision of using, and this device also can reciprocate in the round hole of frame roof both sides at the in-process bracing piece of adjusting from top to bottom through the screw rod, and these bracing pieces can avoid going up backup pad and compression roller fixed plate and control and rock, and the compression roller is just also more stable in scribbling black in-process to control the adjusting distance more easily when the height that reciprocates through the screw rod adjustment, improve and adjust the precision.

Drawings

Fig. 1 is a schematic view of the structure of the compression roller on the side of the depression shaft after descending.

Fig. 2 is a schematic view of the structure of the bottom shaft side of the descending press roll of the present invention.

Fig. 3 is a schematic side view of the compression roller after descending.

Fig. 4 is a schematic view of the structure of the upper shaft side after the press roller of the present invention is lifted.

Fig. 5 is a schematic view of the structure of the bottom shaft side of the raised press roller of the present invention.

Fig. 6 is a schematic side view of the raised compression roller according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a rack top plate; 2. a support bar; 3. a compression roller fixing plate; 4. a compression roller; 5. a coating roll; 6. an upper support plate; 7. a screw; 8. a hand wheel; 9. bracing piece connecting plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a height adjusting mechanism for a circuit board coating machine, which comprises a rack top plate 1; four support rods 2 are symmetrically and movably embedded in the two sides of the top plate 1 of the rack; two sides of the top plate 1 of the frame are provided with two round holes corresponding to the size of the support rods 2, and the support rods 2 can also move up and down in the round holes on the two sides of the top plate 1 of the frame when the compression roller fixing plate 3 moves up and down, so that the support rods 2 can prevent the upper support plate 6 and the compression roller fixing plate 3 from shaking left and right, and the compression roller is more stable in the ink coating process; the supporting rods 2 are respectively arranged on the front side and the rear side of the top of the compression roller fixing plate 3 and are symmetrical front and back on the top of the compression roller fixing plate 3, the supporting rods 2 can prevent the upper supporting plate 6 and the compression roller fixing plate 3 from shaking left and right, and the compression roller is more stable in the ink coating process; the bottoms of the four support rods 2 are respectively connected with the tops of the two compression roller fixing plates 3 in a group two by two, and the tops of the four support rods 2 are connected with each other through four support rod connecting plates 9; two compression rollers 4 are movably and symmetrically arranged between the two compression roller fixing plates 3 through a rotating shaft, and a coating roller 5 is arranged below the two compression rollers 4; the top parts of the two compression roller fixing plates 3 are fixedly connected with an upper supporting plate 6; a screw 7 is embedded into the inner side of the top plate 1 of the rack through threads, and the bottom of the screw 7 is rotatably connected with the upper support plate 6 through a bearing; a hand wheel 8 is fixedly arranged at the top of the screw rod 7.

Wherein, frame roof 1 is rabbeted with screw rod 7 through middle screw hole, backup pad 6 and compression roller fixed plate 3 can be promoted to reciprocate during the screw rod 7 is rotatory, rotatory hand wheel 8 and screw rod 7 earlier during the use, backup pad 6 and compression roller fixed plate 3 reciprocate can be promoted to the rotatory in-process of screw rod 7, thereby reduce or increase the pressfitting clearance between compression roller 4 and the coating roller 5, make the product coating even, keep dope layer thickness unanimous, thereby make the product uniformity obtain guaranteeing.

Wherein, the top of bracing piece 2 is connected fixedly through four bracing piece connecting plates 9, and constitutes a rectangle structure after bracing piece connecting plate 9 connects, and these bracing pieces 2 can avoid going up backup pad 6 and compression roller fixed plate 3 and control and rock, and the compression roller is also more stable in scribbling black in-process to the rectangle structure at top further increases four bracing piece 2's stability.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the coating viscosity is smaller, the hand wheel 8 and the screw 7 are rotated clockwise first, the screw 7 can move downwards and push the upper supporting plate 6 and the compression roller fixing plate 3 to move downwards in the rotating process, thereby reducing the pressing gap between the compression roller 4 and the coating roller 5, and satisfying the coating operation when the coating viscosity is smaller, so that the product can be coated evenly, when the coating viscosity is larger, the hand wheel 8 and the screw 7 are rotated anticlockwise firstly, the screw 7 can move upwards and drive the upper supporting plate 6 and the compression roller fixing plate 3 to move upwards in the rotating process, thereby increasing the pressing gap between the compression roller 4 and the coating roller 5, satisfying the coating operation when the coating viscosity is larger, so that the product can be coated evenly, keeping the thickness of the coating layer consistent, thereby ensuring the consistency of the product, the device can also move upwards and downwards in the round holes at the two sides of the rack top plate 1 by the supporting rod 2 in the up-down adjustment process of the screw 7, these bracing pieces 2 can avoid going up backup pad 6 and compression roller fixed plate 3 and control and rock, and the compression roller is also more stable in scribbling black in-process to control the regulation distance more easily when the height that reciprocates through the adjustment of screw rod 7, improve and adjust the precision.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides a circuit board is height regulating mechanism for coating machine which characterized in that: comprises a rack top plate (1); four support rods (2) are symmetrically and movably embedded in the two sides of the rack top plate (1); the bottoms of the four support rods (2) are respectively connected with the tops of the two compression roller fixing plates (3) in a group two by two, and the tops of the four support rods (2) are connected with each other through four support rod connecting plates (9); two compression rollers (4) are movably and symmetrically arranged between the two compression roller fixing plates (3) through a rotating shaft, and a coating roller (5) is arranged below the two compression rollers (4); the top parts of the two compression roller fixing plates (3) are fixedly connected with an upper supporting plate (6); a screw rod (7) is embedded into the inner side of the rack top plate (1) through threads, and the bottom of the screw rod (7) is rotatably connected with the upper supporting plate (6) through a bearing; and a hand wheel (8) is fixedly arranged at the top of the screw rod (7).

2. The height adjusting mechanism for a circuit board coater according to claim 1, wherein: frame roof (1) is rabbeted through screw hole in the middle and screw rod (7), and screw rod (7) can promote when rotatory backup pad (6) and compression roller fixed plate (3) and reciprocate.

3. The height adjusting mechanism for a circuit board coater according to claim 1, wherein: the supporting rods (2) are respectively arranged on the front side and the rear side of the top of the compression roller fixing plate (3) and are symmetrical front and rear of the top of the compression roller fixing plate (3).

4. The height adjusting mechanism for a circuit board coater according to claim 1, wherein: the two sides of the rack top plate (1) are provided with two round holes corresponding to the sizes of the support rods (2), and the support rods (2) can also move up and down in the round holes on the two sides of the rack top plate (1) when the compression roller fixing plate (3) moves up and down.

5. The height adjusting mechanism for a circuit board coater according to claim 1, wherein: the top of the support rod (2) is fixedly connected through four support rod connecting plates (9), and the support rod connecting plates (9) form a rectangular structure after being connected.

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