CN217917256U - Screen printing machine static electricity eliminating structure for IMD process - Google Patents

Abstract

The utility model relates to the technical field of IMD, in particular to a silk screen printing machine static elimination structure for IMD technology, which comprises a wheel carrier component, an upper wheel component and a lower wheel component; the wheel carrier assembly comprises a mounting frame, and the upper wheel assembly and the lower wheel assembly are respectively connected with the mounting frame, so that the whole or part of the upper wheel assembly and the whole or part of the lower wheel assembly can rotate; the lower wheel assembly comprises a lower wheel shaft and a lower lining wheel hinged on the lower wheel shaft, and a lower outer wheel is fixedly sleeved on the lower lining wheel; the lower wheel shaft, the lower lining wheel and the lower outer wheel are all conductive; the conductive piece with elasticity and conductivity is also included; the conductive piece comprises a shaft sleeve and a conductive lug, and an included angle which is an acute angle or an obtuse angle is formed between the conductive lug and the shaft sleeve; the shaft sleeve is propped against the lower wheel shaft, and the conductive lug is propped against the inner wall of the lower lining wheel. The utility model discloses can eliminate the static on the film for IMD in succession.

Description

A silk screen printing machine static elimination structure for IMD technology

Technical Field

The utility model relates to a IMD technical field, in particular to silk screen printing machine neutralization structure for IMD technology.

Background

IMD (In-Mold Decoration), also known as In-Mold Decoration, is an integrated Decoration process technology combining the traditional injection molding technology and the surface material application technology.

Before the IMD film is subjected to silk-screen printing, the IMD film needs to be flattened, positioned and/or driven through a pressing shaft structure. Specifically, the pressing shaft structure comprises a wheel carrier assembly, an upper wheel assembly and a lower wheel assembly; the wheel carrier assembly comprises a mounting frame, and the upper wheel assembly and the lower wheel assembly are respectively connected with the mounting frame, so that the whole or part of the upper wheel assembly and the whole or part of the lower wheel assembly can rotate. A gap is provided between the upper wheel assembly and the lower wheel assembly, and the gap is used for passing the IMD film. The upper and lower wheel assemblies flatten, position, and/or drive the IMD film. The upper wheel assembly is wrapped by rubber and is easy to wear or damage, and when the upper wheel assembly is replaced, the whole upper wheel assembly needs to be disassembled, so that the upper wheel assembly is troublesome.

Static electricity is likely to adhere to the IMD thin film due to friction or the like, and the static electricity causes impurities such as dust to adhere to the IMD thin film, thereby adversely affecting the subsequent IMD process.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention provides a screen printing machine static electricity eliminating structure for IMD process, which can solve the above problems.

In order to solve the technical problem, the utility model provides a silk screen printing machine static elimination structure for IMD technology, which comprises a wheel carrier assembly, an upper wheel assembly and a lower wheel assembly; the wheel carrier assembly comprises a mounting frame, and the upper wheel assembly and the lower wheel assembly are respectively connected with the mounting frame, so that the whole or part of the upper wheel assembly and the whole or part of the lower wheel assembly can rotate; the lower wheel assembly comprises a lower wheel shaft and a lower lining wheel hinged on the lower wheel shaft, and a lower outer wheel is fixedly sleeved on the lower lining wheel; the lower wheel shaft, the lower lining wheel and the lower outer wheel are all conductive; the conductive piece with elasticity and conductivity is also included; the conductive piece comprises a shaft sleeve and a conductive lug, and an included angle which is an acute angle or an obtuse angle is formed between the conductive lug and the shaft sleeve; the shaft sleeve is propped against the lower wheel shaft, and the conductive lug is propped against the inner wall of the lower lining wheel.

Static electricity on the film for IMD can be continuously eliminated.

Optionally, there are a plurality of electrically conductive pieces, be provided with between electrically conductive ear and the axle sleeve for the acute angle, there are two of relative setting in a plurality of electrically conductive pieces.

The two oppositely arranged conductive pieces can be mutually offset, and the position of the conductive pieces on the lower wheel shaft is ensured to be stable.

Optionally, when the conductive lug abuts against the inner wall of the lower lining wheel, the lower lining wheel is completely located in the shaft sleeve when viewed along a direction perpendicular to the shaft axis of the shaft sleeve.

Conductivity can be ensured.

Optionally, the shaft sleeve is provided with a shaft sleeve notch.

The conductivity between the shaft sleeve and the lower wheel shaft can be ensured.

Optionally, the top end of the conductive ear is bent towards the shaft sleeve to form a bending section.

The contact area between the conductive lug and the lower lining wheel can be increased, so that the conductivity is improved.

Optionally, the wheel carrier assembly further comprises a wheel shaft fixing piece and a wheel shaft mounting piece provided with a wheel shaft groove, the lower wheel shaft is provided with a part with a circular-segment-shaped section, the wheel shaft fixing piece is detachably connected with the wheel shaft mounting piece, and the wheel shaft fixing piece is inserted into the wheel shaft groove and abuts against the part with the circular-segment-shaped section of the lower wheel shaft.

Optionally, the wheel carrier subassembly still includes the regulating part and possesses elastic regulation auxiliary member, and the regulating part is including adjusting the output, and the mounting bracket is provided with the adjustment tank, and the bolt passes adjustment tank and shaft installed part threaded connection.

Optionally, adjust the auxiliary member setting on the mounting bracket, adjust the output and offset with the shaft installed part, adjust the auxiliary member both ends and be connected with mounting bracket, shaft installed part respectively, the elasticity of adjusting the auxiliary member and providing makes the shaft installed part have the trend of being close to rather than the adjusting part that corresponds.

The wheel axle mounting piece can move back and forth along with the abutting of the adjusting output end, and the adjusting precision can be ensured.

The technical scheme of the invention has the following advantages: static electricity on the film for IMD can be continuously eliminated. The two oppositely arranged conductive pieces can be mutually offset, and the position of the conductive pieces on the lower wheel shaft is ensured to be stable. The contact area between the conductive lug and the lower lining wheel can be increased, so that the conductivity is improved.

Drawings

Fig. 1 is a schematic perspective view of a screen printing machine static elimination structure for IMD process provided by the embodiment of the present invention.

Fig. 2 is a schematic perspective view of a screen printing machine electrostatic elimination structure for IMD process provided by the embodiment of the utility model.

Fig. 3 is a schematic diagram that looks sideways at of a silk screen printing machine electrostatic elimination structure for IMD technology that the embodiment of the utility model provides.

Figure 4 is a perspective view of the outer wheel assembly 4.

Figure 5 is an exploded perspective view of the outer wheel assembly 4.

Fig. 6 is a schematic perspective view of a conductive member 6 according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of profile one SEC 1.

Fig. 8 is a schematic diagram of profile two SEC 2.

Fig. 9 is a schematic diagram of profile three SEC 3.

FIG. 10 is a diagram of detail DTL 1.

Fig. 11 is a schematic diagram of a profile four SEC 4.

Reference numerals:

section one SEC1; section two SEC2; section three SEC3; section four SEC4; detail one DTL1; a wheel carrier assembly 1; a mounting frame 11; an adjustment groove 114; an axle mount 12; the axle groove 121; an axle fixing member 13; an adjusting member 14; the adjustment auxiliary 141; an adjustment output 149; a ground line 2; a ground ring 21; a ground ring bolt 22; an upper wheel assembly 3; an upper wheel shaft 31; an upper lining wheel 32; an outer wheel assembly 4; a first outer wheel 41; the first protrusion 411; a first slot 412; a second outer wheel 42; a second projection 421; a second slot 422; a clamp 43; a clip lug 431; an extension 432; a clamp bolt 433; a clamp nut 434; a clamp nut projection 435; a clip groove 44; a lower wheel assembly 5; a lower hub 51; a lower lining wheel 52; a lower outer wheel 53; a conductive member 6; a shaft sleeve 61; a sleeve notch 611; a conductive ear 62; a curved section 621; a wheel axle positioning sleeve 7; and a bearing 8.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As specific embodiment, the utility model discloses a silk screen printing machine static elimination structure for IMD technology of embodiment, it includes wheel carrier subassembly 1, upper wheel subassembly 3 and lower wheel subassembly 5.

The wheel carrier assembly 1 comprises a mounting frame 11, and the upper wheel assembly 3 and the lower wheel assembly 5 are respectively connected with the mounting frame 11, so that the whole or part of the upper wheel assembly 3 and the whole or part of the lower wheel assembly 5 can rotate. A gap is provided between the upper wheel assembly 3 and the lower wheel assembly 5, and the gap is used for passing the IMD film. Upper wheel assembly 3 and lower wheel assembly 5 flatten, position, and/or drive the IMD film.

The upper wheel assembly 3 comprises an upper wheel axle 31 and an upper lining wheel 32. The upper lining wheel 32 is hinged with the upper wheel shaft 31, for example, the upper wheel shaft 31 is provided with a bearing 8, and the upper lining wheel 32 is hinged with the upper wheel shaft 31 through the bearing 8. The portion of upper inner liner wheel 32 of upper wheel assembly 3 is able to rotate.

As specific embodiment, the utility model discloses a silk screen printing machine static electricity elimination structure for IMD technology of embodiment still includes outer wheel subassembly 4, and outer wheel subassembly 4 includes first outer wheel 41 and second outer wheel 42, and first outer wheel 41, second outer wheel 42 all possess the flexibility. For example, the first outer ring 41 and the second outer ring 42 are both made of hard rubber and have flexibility.

Both ends of the first outer wheel 41 are provided with a first protrusion 411 and a first slot 412; both ends of the second outer wheel 42 are provided with a second projection 421 and a second slot 422; the first protrusions 411 are inserted into the second slots 422, and the second protrusions 421 are inserted into the first slots 412, so that the first outer wheel 41 and the second outer wheel 42 form a cylindrical shape.

The theory of operation does, when needing installation foreign steamer subassembly 4, with first foreign steamer 41 and the laminating of last inside lining wheel 32, then be close to last inside lining wheel 32 with second foreign steamer 42 and make first arch 411 all imbed second slot 422, the first slot 412 of second arch 421 all imbeds, can make first foreign steamer 41 and second foreign steamer 42 all with the laminating of last inside lining wheel 32, need not to go up arbor 31 and mounting bracket 11 disconnect, be convenient for install first foreign steamer 41 and second foreign steamer 42.

Conversely, it is easy to remove the first and second outer wheels 41 and 42, thereby facilitating replacement of the first and second outer wheels 41 and 42.

From the foregoing, it will be seen that in the particular embodiment illustrated, the outer wheel assembly 4 is readily installed and replaced.

In one embodiment, the outer wheel assembly 4 further comprises a clip 43, and the clip 43 is disposed on the end of the outer wheel assembly 4, such as on one or both ends of the outer wheel assembly 4. The strength of the cylindrical shape formed by the first outer ring 41 and the second outer ring 42 can be ensured.

As a specific embodiment, the clamp device further comprises a clamp bolt 433 and a clamp nut 434, wherein clamp lugs 431 are arranged at both ends of the clamp 43, and the clamp bolt 433 penetrates through the two clamp lugs 431 to be intercepted by the threads of the clamp nut 434, so that the two clamp lugs 431 are located between a bolt head of the clamp bolt 433 and the clamp nut 434. Rotatory clamp bolt 433 can make the clamp 43 internal diameter reduce, can also improve the fastening strength of clamp 43 when being convenient for install clamp 43.

In a specific embodiment, a band nut 434 that can abut against the band nut projection 435 is fixedly provided to the band lug 431. Facilitating rotation of the clamp bolt 433.

In a specific embodiment, both ends of the band 43 extend axially (in the direction of the axial line of the band 43) to form extension portions 432, and the band lugs 431 are fixed to the extension portions 432 and completely located in the band 43. The yoke lugs 431 are offset from the gap between the upper and lower wheel assemblies 3, 5, and do not limit the minimum value of the gap between the upper and lower wheel assemblies 3, 5.

In one specific embodiment, the first protrusion 411, the first slot 412, the second protrusion 421 and the second slot 422 are all triangular in cross section and have the same cross section (same shape and size). It should be noted that the shape formed by rounding off one corner of the triangle should be connected to be triangular. The first protrusion 411 can be conveniently inserted into the second slot 422 and the second protrusion 421 can be conveniently inserted into the first slot 412, so that the outer wheel assembly 4 can be conveniently replaced.

In a specific embodiment, one side of the cross section of the first protrusion 411, one side of the cross section of the first slot 412, one side of the cross section of the second protrusion 421, and one side of the cross section of the second slot 422 are all located on a straight line.

As a specific embodiment, the tip of the first protrusion 411 faces downward, and the tip of the second protrusion 421 faces upward. When first foreign steamer 41, second foreign steamer 42 all laminate with last inside lining wheel 32 and all vertical, the second arch 421 is held in the support of first slot 412 inner wall and the second foreign steamer 42 is prevented to keep away from first foreign steamer 41, can make between first foreign steamer 41, the second foreign steamer 42 fix temporarily, the installation clamp 43 of being convenient for.

In a specific embodiment, the straight lines at both ends of the first outer wheel 41 are parallel to each other. The angle of the line with the horizontal can be adjusted as desired, for example, to an angle that is not obstructed by the upper inner lining wheel 32 during movement of the second outer wheel 42 along the line. After the first outer wheel 41 is attached to the upper inner lining wheel 32, the second outer wheel 42 is moved obliquely along the straight line, so that the first protrusion 411 can be inserted into the second slot 422 and the second protrusion 421 can be inserted into the first slot 412, which is convenient for the second outer wheel 42 to be inserted into the first outer wheel 41.

The lower wheel assembly 5 comprises a lower wheel shaft 51 and a lower lining wheel 52 hinged on the lower wheel shaft 51, and the lower lining wheel 52 is fixedly sleeved with a lower outer wheel 53; the lower wheel shaft 51, the lower inner lining wheel 52, and the lower outer wheel 53 are all conductive. For example, the lower inner ring 52 and the lower outer ring 53 are made of stainless steel and have conductivity. The lower inner liner wheel 52 and the lower outer wheel 53 may be integrated. One end of the lower axle 51 extends out of the mounting bracket 11 to facilitate connection to a drive device such as a motor.

Also includes a conductive member 6 having elasticity and conductivity. For example, the conductive member 6 is made of copper as a whole, and has elasticity and conductivity.

The conductive member 6 includes a shaft sleeve 61 and a conductive lug 62, and an acute angle or an obtuse angle is formed between the conductive lug 62 and the shaft sleeve 61. As shown in fig. 10, the included angle is an acute angle or an obtuse angle, which means that the included angle between the conductive lug 62 and the shaft sleeve 61 is an acute angle when viewed from a half-section of the conductive member 6. Of course, the conductive lug 62 is inclined toward the other side, so that when viewed perpendicular to the axis of the shaft sleeve 61, the conductive lug 62 and the shaft sleeve 61 have a staggered portion, and at this time, the included angle between the conductive lug 62 and the shaft sleeve 61 is an obtuse angle.

The sleeve 61 abuts against the lower hub 51, and the conductive lug 62 abuts against the inner wall of the lower lining wheel 52.

The operating principle is that when the IMD film passes through the lower wheel assembly 5, static electricity and the like attached thereto pass through the lower outer wheel 53, the lower inner lining wheel 52, the conductive lug 62, the boss 61, and the lower wheel shaft 51 once, and then are grounded through the ground line 2, thereby continuously removing static electricity from the IMD film.

In one specific embodiment, there are a plurality of conductive members 6, an acute angle is disposed between the conductive lug 62 and the shaft sleeve 61, and two of the plurality of conductive members 6 are disposed oppositely. The opposite arrangement means that, as shown in fig. 10, the two conductive pieces 6 are arranged opposite to each other so that the bottom ends of the two conductive lugs 62 are against each other. The elastic force provided by the conductive ears 62 causes the conductive members 6 to have a tendency to move, and the two oppositely disposed conductive members 6 can counteract each other, thereby ensuring a stable position of the conductive members 6 on the lower hub 51.

In a specific embodiment, when the conductive lug 62 abuts against the inner wall of the lower lining wheel 52, the lower lining wheel 52 is completely located inside the sleeve 61 as viewed in a direction perpendicular to the axis of the sleeve 61. When the two conductive members 6 arranged in the same direction abut against each other, the rear conductive member 6 abuts against the front conductive member 6 in a state that the bottom end of the conductive lug 62 abuts against the tail end of the other shaft sleeve 61, and the conductive lugs 62 of the two conductive members 6 are substantially parallel to each other and do not interfere with each other, so that the conductivity can be ensured.

In one specific embodiment, the sleeve 61 is provided with a sleeve notch 611. When the shaft sleeve 61 is fitted on the lower wheel shaft 51, the shaft sleeve 61 can abut against the lower wheel shaft 51 by the elasticity of the shaft sleeve 61, and the conductivity between the shaft sleeve 61 and the lower wheel shaft 51 can be ensured.

In one specific embodiment, the top end of the conductive lug 62 is bent toward the sleeve 61 to form a bent section 621. The contact area between the conductive lug 62 and the lower lining wheel 52 can be increased to improve the conductivity.

In a specific embodiment, the wheel carriage assembly 1 further includes a wheel shaft fixing member 13 and a wheel shaft mounting member 12 provided with a wheel shaft groove 121, the lower wheel shaft 51 has a portion having a circular-segment-shaped cross section (circular-segment-shaped means a shape left after a circle is divided by a straight line, and the straight line does not pass through the axis of the circle), the wheel shaft fixing member 13 is detachably connected to the wheel shaft mounting member 12, and the wheel shaft fixing member 13 is inserted into the wheel shaft groove 121 and abuts against the portion of the lower wheel shaft 51 having the circular-segment-shaped cross section.

In a specific embodiment, the wheel carrier assembly 1 further includes an adjusting member 14 and an elastic adjusting auxiliary member 141, the adjusting member 14 includes an adjusting output end 149, for example, the adjusting auxiliary member 141 is a spring, the mounting bracket 11 is provided with an adjusting slot 114, and a bolt passes through the adjusting slot 114 to be in threaded connection with the axle mounting member 12. The adjustment slot 114 may be a long hole arranged in the horizontal direction, the vertical direction, and the like. The adjusting auxiliary member 141 is disposed on the mounting frame 11, the adjusting output end 149 abuts against the axle mounting member 12, two ends of the adjusting auxiliary member 141 are respectively connected to the mounting frame 11 and the axle mounting member 12, and the elastic force provided by the adjusting auxiliary member 141 enables the axle mounting member 12 to have a tendency of approaching the adjusting member 14 corresponding thereto. As shown in fig. 11, the lower, horizontally disposed spring (adjustment assisting member 141) corresponds to the lower, horizontally disposed adjusting member 14; the vertically arranged spring (the adjustment auxiliary member 141) corresponds to the vertically arranged adjustment member 14. After loosening the bolts passing through the adjustment grooves 114, the wheel axle mounting member 12 can reciprocate with the abutment of the adjustment output end 149, and the adjustment accuracy can be ensured. For example, the adjustment output 149 may be threadably coupled to the adjustment member 14, and rotating the adjustment member 14 may cause the adjustment output 149 to move.

As used in the present invention, the term: first, second, etc. do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

As used in the present invention, the term: one, etc. do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims (8)

1. The screen printing machine static electricity eliminating structure for the IMD process comprises a wheel carrier assembly (1), an upper wheel assembly (3) and a lower wheel assembly (5); the wheel carrier assembly (1) comprises a mounting frame (11), the upper wheel assembly (3) and the lower wheel assembly (5) are respectively connected with the mounting frame (11), so that the whole or part of the upper wheel assembly (3) and the whole or part of the lower wheel assembly (5) can rotate;

the wheel is characterized in that the lower wheel assembly (5) comprises a lower wheel shaft (51) and a lower lining wheel (52) hinged on the lower wheel shaft (51), and the lower lining wheel (52) is fixedly sleeved with a lower outer wheel (53); the lower wheel shaft (51), the lower lining wheel (52) and the lower outer wheel (53) are all conductive; also comprises a conductive piece (6) with elasticity and conductivity; the conductive piece (6) comprises a shaft sleeve (61) and a conductive lug (62), and an included angle which is an acute angle or an obtuse angle is arranged between the conductive lug (62) and the shaft sleeve (61); the shaft sleeve (61) is abutted against the lower wheel shaft (51), and the conductive lug (62) is abutted against the inner wall of the lower lining wheel (52).

2. The screen printing machine static electricity eliminating structure for IMD process of claim 1, wherein the conductive member (6) is plural, the conductive ear (62) and the shaft sleeve (61) are arranged at an acute angle, and there are two of the plural conductive members (6) arranged oppositely.

3. The screen printing machine static electricity elimination structure for IMD process according to claim 2, wherein when the conductive lug (62) abuts against the inner wall of the lower lining wheel (52), the lower lining wheel (52) is completely located inside the shaft sleeve (61) when viewed along the direction perpendicular to the shaft axis of the shaft sleeve (61).

4. The screen printing machine static electricity eliminating structure for IMD process of claim 2, characterized in that the shaft sleeve (61) is provided with a shaft sleeve notch (611).

5. The screen printing machine static electricity eliminating structure for IMD process of claim 1, wherein the top end of the conductive ear (62) is bent toward the shaft sleeve (61) to form a bent section (621).

6. The screen printing machine static electricity eliminating structure for IMD process of claim 1, wherein the wheel frame assembly (1) further comprises a wheel shaft fixing member (13) and a wheel shaft mounting member (12) provided with a wheel shaft groove (121), the lower wheel shaft (51) has a portion with a circular segment cross section, the wheel shaft fixing member (13) is detachably connected with the wheel shaft mounting member (12), and the wheel shaft fixing member (13) is inserted into the wheel shaft groove (121) to abut against the portion with the circular segment cross section of the lower wheel shaft (51).

7. The screen printing machine static electricity elimination structure for IMD process according to claim 6, wherein the wheel frame assembly (1) further comprises an adjusting piece (14) and an adjusting auxiliary piece (141) with elasticity, the adjusting piece (14) comprises an adjusting output end (149), the mounting frame (11) is provided with an adjusting groove (114), and a bolt passes through the adjusting groove (114) to be in threaded connection with the axle mounting piece (12).

8. The screen printing machine static electricity elimination structure for IMD process of claim 7, wherein the adjustment auxiliary (141) is provided on the mounting frame (11), the adjustment output (149) is against the axle mounting member (12), both ends of the adjustment auxiliary (141) are connected with the mounting frame (11) and the axle mounting member (12), respectively, the elasticity provided by the adjustment auxiliary (141) makes the axle mounting member (12) have a tendency to approach the adjustment member (14) corresponding thereto.

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