Pigment mixing device for paint spraying
By introducing a metering pump and a stirring system driven by a servo motor into the pigment mixing device for spray painting, horizontal and vertical mixing of pigments is achieved, solving the problem of poor vertical mixing effect in existing devices and improving the uniformity of pigment mixing.
Patent Information
- Application Number
- CN202520026612.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing paint mixing devices have low vertical mixing efficiency, which affects the paint preparation and mixing effect.
The design includes a mixing tank, pigment box, metering pump, stirring shaft, servo motor, and auger blades. The pigment is dispensed proportionally by the metering pump, and the servo motor drives the stirring shaft and auger blades to rotate, achieving horizontal and vertical mixing of the pigment and improving uniformity.
This improves the uniformity of pigment mixing and ensures that the pigment formulation meets the required standards.
Smart Images

Figure CN223775156U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pigment mixing device field, concretely relates to a kind of pigment mixing device for paint spraying. BACKGROUND
[0002] When the pigment for paint spraying is prepared, the amount of pigment is quite strict, and the mixing ratio error is too large, which will lead to the mixed product not meeting the qualified standard.
[0003] The Chinese patent with publication number CN208878379U discloses a pigment preparation and mixing device for leather shoe paint spraying, which is provided with a first metering pump and a second metering pump at the top of the pigment barrel, so that different pigments stored in the first pigment chamber and the second pigment chamber can be drawn into the mixing barrel according to the predetermined ratio, and the two sides of the pigment barrel are provided with scales for the staff to accurately judge the amount of pigment in the pigment barrel.
[0004] However, the above-mentioned pigment preparation and mixing device for leather shoe paint spraying can drive the stirring mechanism to rotate horizontally, but the vertical mixing effect is low, which affects the pigment preparation and mixing effect.
[0005] Therefore, the utility model is proposed. UTILITY MODEL CONTENT
[0006] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a pigment mixing device for paint spraying.
[0007] To solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows:
[0008] A pigment mixing device for paint spraying, comprising a mixing tank, a pigment box connected to the upper side of the mixing tank, a plurality of quantitative pumps connected between the pigment box and the mixing tank, a disc rotationally fitted to the lower part of the mixing tank, an external gear ring fixed to the bottom surface of the inner wall of the mixing tank, two stirring shafts rotationally fitted to the disc, a servo motor provided at the bottom end of the mixing tank for driving the disc to rotate, the stirring shaft comprising a transmission shaft rotationally fitted to the disc and engaged with the external gear ring, an auger blade provided on the transmission shaft, a guide cylinder fixedly sleeved on the auger blade, a plurality of groups of stirring blades arranged circumferentially on the upper side of the guide cylinder, and each group of stirring blades comprising a plurality of stirring blades arranged in the height direction on the guide cylinder.
[0009] Optionally, a first spacing is provided between the bottom end of the guide cylinder and the disc, and a second spacing is provided between the upper end of the guide cylinder and the top surface of the inner wall of the mixing tank.
[0010] Optionally, a gear is provided at the bottom end of the transmission shaft and penetrates the disc, and the gear is engaged with the external gear ring.
[0011] Optionally, the inner wall of the mixing tank is provided with a first waterproof bearing, the disc is fixed in the first waterproof bearing, the upper side of the disc is provided with a through hole corresponding to the transmission shaft, the through hole is provided with a second waterproof bearing, and the transmission shaft is fixed in the second waterproof bearing.
[0012] Optionally, the upper side of the disc is provided with a plurality of scraping strips arranged in a circumferential array, and the outer side of the scraping strips is attached to the inner wall of the mixing tank.
[0013] Optionally, a plurality of partition plates are arranged in a circumferential array on the inner side of the pigment box, the plurality of partition plates divide the pigment box into a plurality of pigment areas, the plurality of pigment areas correspond to the plurality of quantitative pumps one by one, the quantitative pumps are in communication with the pigment areas, and the upper side of the pigment box is provided with a box cover.
[0014] Optionally, the side of the mixing tank is connected with a discharge valve, and the bottom end of the mixing tank is provided with a plurality of heightening legs.
[0015] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:
[0016] By starting the quantitative pump, the plurality of pigments are discharged into the mixing tank according to the proportion through the plurality of quantitative pumps, then the servo motor is started to drive the disc to drive the two stirring shafts to rotate around the mixing tank, so as to facilitate stirring of the pigments, the transmission shaft is engaged with the outer gear ring to drive the stirring shaft to rotate, so as to facilitate stirring of the stirring shaft at different positions, the pigments in the mixing tank are stirred horizontally through the stirring blades, so as to further improve the uniformity of the pigment stirring, the two stirring shafts drive the pigments to flow, so as to improve the uniformity of the pigment mixing, the auger blades rotate synchronously with the guide cylinder, so as to drive the pigments to enter from the bottom end of the guide cylinder and to be discharged from the upper end of the guide cylinder, so as to facilitate vertical mixing of the pigments and further improve the uniformity of the pigment mixing.
[0017] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0018] The drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings:
[0019] Fig. 1 It is a three-dimensional structure schematic diagram of an embodiment of the present application;
[0020] Fig. 2 It is a sectional structure schematic diagram of an embodiment of the present application;
[0021] Fig. 3 It is a stirring shaft structure schematic diagram of an embodiment of the present application;
[0022] The components represented by the numbers in the drawings are listed as follows:
[0023] The mixing tank 1, the pigment box 2, the quantitative pump 3, the disc 4, the external gear ring 5, the stirring shaft 6, the transmission shaft 601, the auger blade 602, the guide cylinder 603, the stirring blade 604, the gear 605, the servo motor 7, the scraping strip 8, the partition plate 9, the pigment area 10, the box cover 11, the discharge valve 12.
[0024] It should be noted that the drawings and the written description are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0025] The utility model will be further explained in detail in combination with the drawings.
[0026] Please refer to Figs. 1-3 It is shown that a pigment mixing device for paint spraying is provided in the embodiment, which comprises a mixing tank 1, the upper side of the mixing tank 1 is connected with a pigment box 2, a plurality of quantitative pumps 3 are connected between the pigment box 2 and the mixing tank 1, a disc 4 is rotationally fitted at the lower part of the mixing tank 1, an external gear ring 5 is fixed to the inner wall bottom surface of the mixing tank 1, two stirring shafts 6 are rotationally fitted on the disc 4, a servo motor 7 for driving the disc 4 to rotate is arranged at the bottom end of the mixing tank 1, the stirring shaft 6 comprises a transmission shaft 601 rotationally fitted on the disc 4 and engaged with the external gear ring 5, an auger blade 602 arranged on the transmission shaft 601, and a guide cylinder 603 fixedly sleeved on the auger blade 602, a plurality of groups of stirring blades 604 are circumferentially arranged on the upper side of the guide cylinder 603, and each group of stirring blades 604 comprises a plurality of stirring blades 604 arranged on the guide cylinder 603 in the height direction.
[0027] By opening the quantitative pump 3, a plurality of pigments are discharged into the mixing tank 1 according to the proportion through the plurality of quantitative pumps 3, then the disc 4 is driven to rotate by the servo motor 7, and the two stirring shafts 6 are driven to rotate around the mixing tank 1, so as to facilitate the stirring of the pigments, the transmission shaft 601 is engaged with the external gear ring 5 to drive the stirring shaft 6 to rotate, so as to facilitate the stirring of the stirring shaft 6 at different positions, the pigments in the mixing tank 1 are stirred horizontally by the stirring blades 604, so as to further improve the uniformity of the pigment stirring, the two stirring shafts 6 drive the pigments to flow, so as to improve the uniformity of the pigment mixing, the auger blade 602 rotates synchronously with the guide cylinder 603, so as to drive the pigments to enter from the bottom end of the guide cylinder 603 and to be discharged from the upper end of the guide cylinder 603, so as to facilitate the vertical mixing of the pigments and further improve the uniformity of the pigment mixing.
[0028] Please refer to Figs. 2-3As shown in the figure, the bottom end of the guide cylinder 603 of the embodiment is provided with a first spacing between the disc 4, and the upper end of the guide cylinder 603 is provided with a second spacing between the inner wall top surface of the mixing tank 1, so that the auger blade 602 and the guide cylinder 603 rotate synchronously, drive the paint to enter from the bottom end of the guide cylinder 603 and discharge from the upper end of the guide cylinder 603, and facilitate the vertical mixing of the paint.
[0029] As shown in the figure Figs. 2-3 As shown in the figure, the bottom end of the transmission shaft 601 of the embodiment penetrates the disc 4 and is provided with a gear 605, the gear 605 is engaged with the outer gear ring 5, the transmission shaft 601 is engaged with the outer gear ring 5 through the gear 605, the stirring shaft 6 is driven to rotate, the inner wall of the mixing tank 1 is provided with a first waterproof bearing, the disc 4 is fixed in the first waterproof bearing, the upper side of the disc 4 is provided with a through hole corresponding to the transmission shaft 601, the through hole is provided with a second waterproof bearing, and the transmission shaft 601 is fixed in the second waterproof bearing, so as to improve the stability of the rotation of the disc 4 through the first waterproof bearing and improve the stability of the rotation of the transmission shaft 601 through the second waterproof bearing.
[0030] As shown in the figure Figs. 1-2 As shown in the figure, the disc 4 of the embodiment is provided with a plurality of scraping strips 8 circumferentially on the upper side, the outer side of the scraping strip 8 is attached to the inner wall of the mixing tank 1, the scraping strip 8 is used to wipe and clean the inner wall of the side of the mixing tank 1, a plurality of partition plates 9 are circumferentially arranged in the paint box 2, the plurality of partition plates 9 divide the paint box 2 into a plurality of paint areas 10, the plurality of paint areas 10 correspond to the plurality of quantitative pumps 3 one by one, the quantitative pump 3 is communicated with the paint area 10, the upper side of the paint box 2 is provided with a box cover 11, a plurality of kinds of paint are stored in the plurality of paint areas 10 in the paint box 2, a plurality of kinds of paint are discharged into the mixing tank 1 according to the proportion through the plurality of quantitative pumps 3, the mixing tank 1 is connected with a discharge valve 12 on the side, and a plurality of supporting legs are arranged at the bottom end of the mixing tank 1, so as to discharge the mixed paint through the discharge valve 12 and support the mixing tank 1 through the supporting legs.
[0031] Working principle: open the quantitative pump 3, discharge a plurality of kinds of paint into the mixing tank 1 according to the proportion through the plurality of quantitative pumps 3, then open the servo motor 7 to drive the disc 4 to rotate around the mixing tank 1, drive the scraping strip 8 and the two stirring shafts 6, so as to stir the paint, the gear 605 is engaged with the outer gear ring 5 to drive the stirring shaft 6 to rotate, so as to stir at different positions, the paint in the mixing tank 1 is stirred horizontally through the stirring blade 604, so as to further improve the uniformity of the paint stirring, the two stirring shafts 6 drive the paint to flow, so as to improve the uniformity of the paint mixing, the auger blade 602 rotates synchronously with the guide cylinder 603, so as to drive the paint to enter from the bottom end of the guide cylinder 603 and discharge from the upper end of the guide cylinder 603, so as to facilitate the vertical mixing of the paint and further improve the uniformity of the paint mixing, and the scraping strip 8 rotates to clean the inner wall of the side of the mixing tank 1.
[0032] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, all the electrical appliances in the utility model are powered by external power supply or built-in battery, and all the electrical appliances in the utility model are not limited in type and specific type, and the person skilled in the art can definitely use the applicable electrical appliance type and specific type and the electrical appliance power supply mode according to the common sense in the art.
[0033] The utility model is not limited to the above-mentioned embodiment, any person should know that the structural change made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model. The technical, shape, structure part not described in detail in the utility model is the known technology.
Claims
1. A paint mixing device for use in painting, characterized by comprising: The utility model relates to a paint mixing device, including: Mixing tank (1), the upper side of mixing tank (1) is connected with pigment box (2), a plurality of dosing pumps (3) are connected between pigment box (2) and mixing tank (1), the lower part of mixing tank (1) is rotatably fitted with disc (4), the inner wall bottom surface of mixing tank (1) is fixed with outer gear ring (5), two stirring shafts (6) are rotatably fitted on disc (4), the bottom end of mixing tank (1) is equipped with servo motor (7) for driving disc (4) rotation, stirring shaft (6) includes transmission shaft (601) rotatably fitted on disc (4) and engaged with outer gear ring (5), auger blade (602) arranged on transmission shaft (601), guide cylinder (603) fixedly sleeved on auger blade (602), a plurality of groups of stirring blades (604) are circumferentially arranged on the upper side of guide cylinder (603), and each group of stirring blades (604) includes a plurality of stirring blades (604) arranged in the height direction on guide cylinder (603).
2. The paint mixing device for spraying paint according to claim 1, wherein First spacing is arranged between the bottom end of guide cylinder (603) and disc (4), and second spacing is arranged between the upper end of guide cylinder (603) and the top surface of the inner wall of mixing tank (1).
3. The paint mixing device for spraying paint according to claim 1, wherein Gear (605) is arranged at the bottom end of transmission shaft (601) and penetrates disc (4), and gear (605) is engaged with outer gear ring (5).
4. The paint mixing device for spraying paint according to claim 1, wherein First waterproof bearing is arranged on the inner wall of mixing tank (1), and disc (4) is fixed in first waterproof bearing.
5. The paint mixing device for spraying paint according to claim 1, wherein Corresponding through hole is arranged on the upper side of disc (4) and corresponds to transmission shaft (601), second waterproof bearing is arranged in the through hole, and transmission shaft (601) is fixed in second waterproof bearing.
6. The paint mixing device for spraying paint according to claim 1, wherein A plurality of scraping strips (8) are circumferentially arranged on the upper side of disc (4), and the outer side of scraping strip (8) is attached to the inner wall of mixing tank (1).
7. The paint mixing device for spraying paint according to claim 1, wherein A plurality of partition plates (9) are circumferentially arranged in pigment box (2), a plurality of partition plates (9) divide pigment box (2) into a plurality of pigment areas (10), a plurality of pigment areas (10) correspond to a plurality of dosing pumps (3) one by one, dosing pump (3) communicates with pigment area (10), and box cover (11) is arranged on the upper side of pigment box (2).
8. The paint mixing device for spraying paint according to claim 1, wherein Discharge valve (12) is connected to the side of mixing tank (1), and a plurality of cushioning legs are arranged at the bottom end of mixing tank (1).
Citation Information
Patent Citations
The invention discloses a pigment preparation and mixing device for leather shoe paint spraying
CN208878379U