Floating paint dispensing needle head mechanism

Abstract

The utility model discloses a floating paint dispensing needle head mechanism which comprises a mounting seat, a needle head assembly and an elastic connecting piece, the mounting seat is suitable for being mounted on a driving mechanism, a guide sleeve is arranged on the mounting seat, a plurality of guide grooves are uniformly formed in the inner wall of the guide sleeve at intervals, and the guide grooves extend in the vertical direction; the needle head assembly is arranged in the guide sleeve in a penetrating mode and is in sliding fit with the multiple guide grooves. And the elastic connecting piece is arranged on the mounting seat, is connected with the needle head assembly and is used for buffering the needle head assembly. According to the floating paint dispensing needle head mechanism provided by the utility model, the guide sleeve is arranged to guide the needle head assembly, so that the needle head assembly is not easy to shake in the moving process, and smooth paint dispensing is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to point paint equipment technical field especially relates to a floating point paint needle head mechanism. BACKGROUND

[0002] Point paint is an important process in mobile phone production, which is to apply, encapsulate and drop water-based paint on intelligent electronic devices such as mobile phones and tablet computers, and positions such as the connection between the inner frame of the shell and the parts, for waterproofing.

[0003] In the prior art, point paint generally needs to use a point paint mechanism, which is directly connected to a driving mechanism. In this way, the needle head of the point paint mechanism is very easy to shake during the point paint process, which will cause the point paint path to be unstable and affect the point paint effect. SUMMARY

[0004] The utility model aims at at least in a certain extent solves one of the technical problems among the prior art. For this reason, the utility model aims at putting forward a floating point paint needle head mechanism.

[0005] To achieve the above-mentioned purpose, according to the floating point paint needle head mechanism of the utility model embodiment, it comprises:

[0006] The mounting seat is adapted to be mounted on the driving mechanism, a guide sleeve is arranged on the mounting seat, a plurality of guide grooves are uniformly arranged on the inner wall of the guide sleeve, and the plurality of guide grooves extend in the vertical direction;

[0007] The needle head assembly is arranged in the guide sleeve and is in sliding cooperation with the plurality of guide grooves;

[0008] The elastic connecting piece is arranged on the mounting seat and is connected with the needle head assembly, and is used for buffering the needle head assembly.

[0009] According to the floating point paint needle head mechanism provided by the utility model, the guide sleeve is arranged to guide the needle head assembly, so that the needle head assembly is not easy to shake during movement, which is beneficial to the smooth completion of point paint.

[0010] In addition, the floating point paint needle head mechanism according to the above-mentioned embodiment of the utility model can also have the following additional technical features:

[0011] According to one embodiment of the utility model, the mounting seat comprises a vertical connecting plate, a horizontal connecting plate and a connecting head;

[0012] The vertical connecting plate is connected to the driving mechanism;

[0013] The right end of the horizontal connecting plate is connected with the vertical connecting plate;

[0014] The connecting head is in L-shaped structure, the upper end is connected with the left end of the horizontal connecting plate, and the lower end is connected with the guide sleeve; a through hole is arranged on the connecting head, and the through hole is used for clamping a fixed paint conveying pipe.

[0015] According to an embodiment of the utility model, a connecting piece is arranged at the lower end of the connecting head, the connecting piece is opposite to the guide sleeve in the vertical direction, and the connecting piece is used for mounting the elastic connecting piece.

[0016] According to an embodiment of the utility model, the needle head assembly comprises a needle tube and a needle head.

[0017] The needle tube is connected with the paint conveying pipe, an insertion slot is arranged at the upper end of the needle tube, and a plurality of guide blocks are uniformly arranged on the outer peripheral wall; the lower end of the elastic connecting piece is inserted into the insertion slot, and the plurality of guide blocks are in sliding cooperation with the plurality of guide grooves respectively.

[0018] The needle head is arranged at the lower end of the needle tube.

[0019] According to an embodiment of the utility model, two limiting holes are oppositely arranged on the outer peripheral wall of the guide sleeve, and the two limiting holes extend in the vertical direction.

[0020] Two sliding blocks are oppositely arranged on the outer peripheral wall of the needle tube, and the two sliding blocks are slidably arranged in the two limiting holes respectively.

[0021] According to an embodiment of the utility model, the guide groove and the guide block are in arc-shaped structure.

[0022] According to an embodiment of the utility model, the utility model further comprises a paint bucket fixing assembly, the paint bucket fixing assembly is arranged on the vertical connecting plate, and is used for fixing a paint bucket.

[0023] According to an embodiment of the utility model, the paint bucket fixing assembly comprises a fixing seat and a clamping piece.

[0024] The fixing seat is arranged at the lower end of the right side wall of the vertical connecting plate, is used for fixing the paint bucket, is connected with the paint conveying pipe in communication, and a paint outlet control valve is arranged at the bottom of the fixing seat.

[0025] The clamping piece is arranged at the upper end of the right side wall of the vertical connecting plate, and is used for clamping and fixing the paint bucket.

[0026] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0028] Figure 1 is a structural schematic diagram of the embodiment of the present application;

[0029] Figure 2 is a structural schematic diagram of the embodiment of the present application;

[0030] Figure 3 is a structural schematic diagram of the embodiment of the present application;

[0031] Figure 4 is a structural schematic diagram of the embodiment of the present application;

[0032] Figure 5 is a structural schematic diagram of the embodiment of the present application.

[0033] Reference signs:

[0034] Mounting seat 10;

[0035] Vertical connecting plate 11;

[0036] Horizontal connecting plate 12;

[0037] Connecting head 13;

[0038] Via hole 131;

[0039] Connecting seat 132;

[0040] Guide sleeve 14;

[0041] Guide groove 141;

[0042] Limiting hole 142;

[0043] Needle head assembly 20;

[0044] Guide block 21;

[0045] Sliding block 22;

[0046] Elastic connecting piece 30;

[0047] Paint bucket fixing assembly 40;

[0048] Fixing seat 41;

[0049] Clamping piece 42.

[0050] The purposes, functional features and advantages of the utility model will be further explained in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0051] The embodiments of the utility model will be described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation on the utility model, all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.

[0052] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms 'center', 'longitudinal', 'transverse', 'length', 'width', 'thickness', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer', 'clockwise', 'counterclockwise', 'axial', 'circumferential', 'radial' and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0053] In addition, the terms 'first' and'second' are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with 'first' and'second' can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of 'a plurality of' is two or more than two, unless otherwise specifically limited.

[0054] In the utility model, unless otherwise specifically defined and limited, the terms'mounting', 'connection', 'connection', 'fixing' and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0055] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "on" of second feature include that first feature is directly above and obliquely above of second feature, or just indicate that horizontal height of first feature is higher than second feature. First feature "under", "below" and "under" of second feature include that first feature is directly below and obliquely below of second feature, or just indicate that horizontal height of first feature is less than second feature.

[0056] The floating point paint needle head mechanism of the utility model embodiment is described in detail below with reference to the drawings.

[0057] Referring to Figures 1 to 5 As shown in the figure, the floating point paint needle head mechanism provided by the utility model embodiment comprises a mounting seat 10, a needle head assembly 20 and an elastic connecting piece 30.

[0058] The mounting seat 10 is adapted to be mounted on a driving mechanism, and a guide sleeve 14 is arranged on the mounting seat 10, a plurality of guide grooves 141 are uniformly arranged on the inner wall of the guide sleeve 14, and the plurality of guide grooves 141 all extend in the vertical direction.

[0059] The mounting seat 10 serves as a mounting structure for mounting the guide sleeve 14 on the driving mechanism, so that the guide sleeve 14 can move synchronously with the driving mechanism. The driving mechanism can be a mechanical hand or an XYZ three-axis linear module, which can drive the mounting seat 10 and the guide sleeve 14 to move in multiple directions inside the paint equipment. The plurality of guide grooves 141 in the guide sleeve 14 can play a guiding role, so that the parts guided thereby can slide along the extension direction thereof.

[0060] The needle head assembly 20 is arranged in the guide sleeve 14 and is in sliding fit with the plurality of guide grooves 141. The needle head assembly 20 can be used for spraying paint inside the mobile phone. The needle head assembly 20 is arranged in the guide sleeve 14 and is in sliding fit with the guide grooves 141. The needle head assembly 20 is limited by the guide sleeve 14 and can slide along the extension direction of the guide grooves 141. In this way, the needle head assembly 20 is not prone to shaking during the sliding process along the guide grooves 141, and accordingly, the paint path deviation problem does not occur.

[0061] The elastic connecting piece 30 is arranged on the mounting seat 10 and is connected with the needle head assembly 20, and is used for buffering the needle head assembly 20.

[0062] The elastic connecting piece 30 can generate elastic force on the needle head assembly 20, thereby playing a buffering role. In this way, the needle head can be prevented from being damaged due to collision with the product.

[0063] More specifically, in use, the mounting base 10 is driven by the driving mechanism to move to the mobile phone shell and oppositely above the position to be painted, and the needle assembly 20 is further contacted with the mobile phone shell, so that the painting can be performed. In the painting process, since the needle assembly 20 is connected with the elastic connecting piece 30, the needle assembly 20 can float up and down following the flatness of the position to be painted, and will not collide with the mobile phone shell. In the floating process of the needle assembly 20, the guide sleeve 14 can guide the needle assembly 20, so that the needle assembly 20 is not easy to shake, and the painting path will not be offset, thereby ensuring the smooth completion of painting.

[0064] According to the floating painting needle mechanism, the guide sleeve 14 is arranged to guide the needle assembly 20, so that the needle assembly 20 is not easy to shake in the moving process, and the smooth completion of painting is facilitated.

[0065] Advantageously, in an embodiment of the utility model, the mounting base 10 includes vertical connecting plate 11, horizontal connecting plate 12 and connecting head 13, the vertical connecting plate 11 is connected on the driving mechanism, the right end of horizontal connecting plate 12 is connected with vertical connecting plate 11, the connecting head 13 is L type structure, the upper end is connected with the left end of horizontal connecting plate 12, and the lower end is connected with guide sleeve 14, a through hole 131 is arranged on connecting head 13, and the through hole 131 is used for clamping and fixing paint supply pipe.

[0066] The vertical connecting plate 11 of the mounting base 10 can be connected with the driving mechanism, and then moves inside the equipment under the driving of the driving mechanism, and the horizontal connecting plate 12 connects the connecting head 13 on the vertical connecting plate 11, so that the connecting head 13 can move with the vertical connecting plate 11, and then drives the guide sleeve 14 and the painting needle in the guide sleeve 14 to move synchronously, so as to move the painting needle to the painting position, and the through hole 131 on the connecting head 13 is slightly larger than the outer diameter of the paint supply pipe, so that the paint supply pipe can be clamped and fixed, and the paint supply pipe can be kept in the straight state to continuously supply paint.

[0067] Advantageously, in an embodiment of the utility model, the lower end of connecting head 13 is provided with a connecting seat 132, the connecting seat 132 is oppositely above the guide sleeve 14, and is used for installing elastic connecting piece 30.

[0068] The connecting seat 132 is inverted L type structure, the lower end is connected with connecting head 13, and the upper end is connected with elastic connecting piece 30, so that the needle assembly 20 can be buffered by the elastic connecting piece 30, and the service life of the needle assembly 20 is improved.

[0069] Advantageously, in another embodiment of the present application, the needle assembly 20 comprises a needle tube and a needle head;

[0070] The needle tube is communicated with the paint conveying tube, and an insertion slot is arranged at the upper end of the needle tube, and a plurality of guide blocks 21 are uniformly arranged on the outer peripheral wall of the needle tube; the lower end of the elastic connecting piece is inserted into the insertion slot, and the plurality of guide blocks 21 are respectively and slidably matched with the plurality of guide grooves 141.

[0071] The needle head is arranged at the lower end of the needle tube.

[0072] Preferably, the guide grooves 141 and the guide blocks 21 are both arc-shaped structures.

[0073] The insertion slot at the upper end of the needle tube can limit the elastic connecting piece 30, so that the elastic connecting piece 30 can only be displaced in the vertical direction, and the installation is convenient, and the elastic connecting piece 30 does not need to be fixedly connected with the needle tube. The guide blocks 21 on the outer wall of the needle tube can be slidably matched with the guide grooves 141 on the guide sleeve 14, thereby guiding the needle tube to move in the vertical direction, so that the shaking of the needle assembly 20 is prevented, and the paint spraying is affected.

[0074] Advantageously, in some embodiments of the present application, two limiting holes 142 are oppositely arranged on the outer peripheral wall of the guide sleeve 14, and the two limiting holes 142 extend in the vertical direction.

[0075] Two sliding blocks 22 are oppositely arranged on the outer peripheral wall of the needle tube, and the two sliding blocks 22 are respectively and slidably arranged in the two limiting holes 142.

[0076] In this way, by arranging the sliding blocks 22 on the outer wall of the needle tube and slidably matching the sliding blocks 22 with the limiting holes 142 on the guide sleeve 14, the up-and-down floating range of the needle assembly 20 can be limited. When the needle assembly 20 is floated upward to the limit position, the sliding blocks 22 will abut against the inner top wall of the limiting holes 142, and vice versa, when the needle assembly 20 is floated downward to the limit position, the sliding blocks 22 will abut against the inner bottom wall of the limiting holes 142, thereby protecting the needle assembly 20, and preventing the needle assembly 20 from being damaged due to the excessive floating distance.

[0077] Advantageously, in some embodiments of the present application, a paint bucket fixing assembly 40 is further arranged on the vertical connecting plate 11, and is used for fixing the paint bucket.

[0078] Preferably, the paint bucket fixing assembly 40 comprises a fixing seat 41 and a clamping piece 42.

[0079] The fixed seat 41 is arranged at the lower end of the right side wall of the vertical connecting plate 11, and is used for fixing the paint bucket, and is communicated with the paint conveying pipe.

[0080] The clamping piece 42 is arranged at the upper end of the right side wall of the vertical connecting plate 11, and is used for clamping and fixing the paint bucket.

[0081] Specifically, the fixed seat 41 is provided with a insertion hole, the paint conveying pipe is connected with the lower end of the insertion hole, and the paint bucket is inserted into the insertion hole and is communicated with the paint conveying pipe, so that the paint in the paint bucket is conveyed into the needle head assembly 20 through the paint conveying pipe. The clamping piece 42 is arranged at the upper end of the vertical connecting plate 11, so that the paint bucket can be clamped and fixed, and the paint bucket cannot be inclined or shaken, and the paint dotting is ensured to be completed smoothly.

[0082] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0083] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or directly / indirectly applied in other related technical fields under the utility model concept of the present application are included in the patent protection range of the present application.

Claims

1. A floating point-lacquered needle mechanism, characterized by, The utility model relates to a paint spraying device, including: The mounting seat is suitable for installing on the driving mechanism, and a guide sleeve is arranged on the mounting seat, the inner wall of the guide sleeve is uniformly provided with a plurality of guide grooves extending in the vertical direction; The needle head assembly is arranged in the guide sleeve and is in sliding fit with the plurality of guide grooves; The elastic connecting piece is arranged on the mounting seat and is connected with the needle head assembly for buffering the needle head assembly.

2. The floating point-lacquered needle mechanism of claim 1, wherein, The mounting seat includes a vertical connecting plate, a horizontal connecting plate and a connecting head; The vertical connecting plate is connected to the driving mechanism; The right end of the horizontal connecting plate is connected to the vertical connecting plate; The connecting head is of L-shaped structure, the upper end is connected to the left end of the horizontal connecting plate, and the lower end is connected to the guide sleeve; a through hole is arranged on the connecting head, and the through hole is used for clamping a fixed paint conveying pipe.

3. The floating point-lacquered needle mechanism of claim 2, wherein, The lower end of the connecting head is provided with a connecting piece, the connecting piece is opposite to the guide sleeve in the up-down direction, and the elastic connecting piece is arranged on the connecting piece.

4. The floating point-lacquered needle mechanism of claim 3, wherein, The needle head assembly includes a needle tube and a needle head; The needle tube is connected with the paint conveying pipe, the upper end is provided with a insertion slot, and a plurality of guide blocks are uniformly arranged on the outer peripheral wall; the lower end of the elastic connecting piece is inserted into the insertion slot, and the plurality of guide blocks are in one-to-one sliding fit with the plurality of guide grooves; The needle head is arranged at the lower end of the needle tube.

5. The floating point-lacquered needle mechanism of claim 4, wherein, Opposite outer peripheral walls of the guide sleeve are provided with two limiting holes extending in the vertical direction; Opposite outer peripheral walls of the needle tube are provided with two sliding blocks, and the two sliding blocks are slidably arranged in the two limiting holes.

6. The floating point-lacquered needle mechanism of claim 5, wherein, The guide groove and the guide block are both of arc-shaped structure.

7. The floating point-lacquered needle mechanism of claim 2, wherein, The utility model further includes a paint bucket fixing assembly arranged on the vertical connecting plate for fixing a paint bucket.

8. The floating point-lacquered needle mechanism of claim 7, wherein, The paint bucket fixing assembly includes a fixing seat and a clamping piece; The fixing seat is arranged at the lower end of the right side wall of the vertical connecting plate, is used for fixing the paint bucket, is connected with the paint conveying pipe, and is provided with a paint outlet control valve at the bottom; The clamping piece is arranged at the upper end of the right side wall of the vertical connecting plate and is used for clamping and fixing the paint bucket.

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