Spraying equipment

Abstract

The utility model provides spraying equipment. The spraying equipment comprises a spraying box; a supporting rotating assembly used for clamping and supporting a to-be-sprayed workpiece and a spraying assembly used for spraying the to-be-sprayed workpiece are arranged in the spraying box. The spraying assembly comprises at least two spray heads, a distance adjusting structure connected with the at least two spray heads and a height adjusting structure in driving connection with the distance adjusting structure. The height adjusting structure comprises a first servo motor fixed to the upper end of the spraying box, a screw fixedly connected with an output shaft of the first servo motor, a movable block slidably connected with the screw and a fixed block rotationally connected with the lower end of the screw. The fixed block is fixed on the side wall in the spraying box; and a threaded hole matched with the screw rod is formed in the moving block. Compared with the prior art, the spraying operation on the surface of a workpiece can be rapidly completed, and the spraying effect is good.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts processing, and in particular to a spraying device. Background Art

[0002] At present, in the production process of heavy-duty truck parts, parts are often sprayed with paint. However, the traditional heavy-duty truck parts spraying device has a fixed internal nozzle position and cannot adjust the nozzle position, which makes it impossible to spray the surface of the parts quickly and affects the surface spraying effect of the parts. In addition, the spraying efficiency is low, which indirectly reduces the processing efficiency and production cost of the parts. Utility Model Content

[0003] The purpose of this application is to provide a spraying device that can quickly complete the spraying operation on the surface of a part with good spraying effect; the specific scheme is as follows:

[0004] A spraying device comprises: a spray box; a supporting rotating assembly for clamping and supporting a workpiece to be sprayed and a spray assembly for spraying the workpiece to be sprayed are arranged inside the spray box; the spray assembly comprises: at least two spray heads, a spacing adjustment structure connected to the at least two spray heads, and a height adjustment structure drivingly connected to the spacing adjustment structure.

[0005] Furthermore, the height adjustment structure includes a first servo motor fixed at the upper end of the spray box, a screw fixedly connected to the output shaft of the first servo motor, a moving block slidably connected to the screw, and a fixed block rotatably connected to the lower end of the screw; the fixed block is fixed on the side wall inside the spray box; and a threaded hole cooperating with the screw is provided inside the moving block.

[0006] Furthermore, at least one first guide rod is arranged on the outer periphery of the screw rod; the first guide rod is passed through two ends of the movable block and is respectively fixed to the spray box and the fixed block.

[0007] Furthermore, elastic protective covers are provided between the upper end of the moving block and the top wall of the spray box, and between the lower end of the moving block and the bottom wall of the spray box; each of the elastic protective covers is sleeved on the outer side of the screw.

[0008] Furthermore, the elastic protective cover is made of plastic material and is coated with a compression spring inside.

[0009] Furthermore, the spacing adjustment structure is fixed to the outside of the moving block; the spacing adjustment structure includes: a first driving motor fixed to the outside of the moving block, and a mounting block drivingly connected to the first driving motor; wherein at least two nozzles are arranged on the outside of the mounting block; and an oil delivery hole connected to the nozzle is provided on the mounting block.

[0010] Furthermore, at least one guide structure is arranged between the mounting block and the movable block; the guide structure comprises: a limiting sleeve having one end fixedly connected to the movable block, and a second guide rod having one end extending into the limiting sleeve and being slidably connected to the limiting sleeve; the other end of the second guide rod is fixed to the mounting block.

[0011] Furthermore, the supporting rotating assembly includes: a supporting block fixed to the inner bottom wall of the spray box, a second servo motor fixed to the upper end of the supporting block, a supporting plate fixed to the upper end of the output shaft of the second servo motor, a second driving motor arranged at the top of the spray box and corresponding to the position of the supporting plate, and a clamping plate arranged at the bottom of the second driving motor; wherein, the second driving motor is rotatably connected to the spray box, and the output end of the second driving motor extends into the end portion of the spray box and is fixedly connected with a clamping plate for clamping the workpiece to be sprayed.

[0012] Furthermore, an annular shielding cover is arranged between the support plate and the bottom wall of the spray box; the support block and the second servo motor are both arranged inside the annular shielding cover; and there is a clearance fit between the upper end of the annular shielding cover and the support plate.

[0013] Furthermore, an opening is arranged on the front side of the spray box corresponding to the position of the supporting rotating assembly; a closed door is slidably arranged at the opening; and a baffle plate made of transparent material is arranged in the middle of the closed door.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a spraying device which can realize the clamping, supporting and rotating functions of the workpiece to be sprayed by supporting the rotating component, so that the spraying component can quickly spray the surface of the workpiece to be sprayed. At the same time, the surface spraying effect of the workpiece is significantly improved, the spraying efficiency is improved, and the production cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the internal structure of the spraying equipment;

[0017] Figure 2 It is a schematic diagram of the overall structure of the spraying assembly;

[0018] Figure 3 It is a schematic diagram of the external structure of the spraying equipment;

[0019] Figure 4 A cross-sectional view of the annular shielding cover.

[0020] In the figure:

[0021] 1. Spraying box;

[0022] 2. Supporting rotating assembly; 21. Supporting block; 22. Second servo motor; 23. Supporting plate; 24. Second driving motor; 25. Clamping plate;

[0023] 3. Spraying components;

[0024] 31. Nozzle;

[0025] 32. Spacing adjustment structure; 320. First driving motor; 321. Mounting block; 322. Oil delivery hole; 323. Position limiting sleeve; 324. Second guide rod;

[0026] 33. Height adjustment structure; 330. First servo motor; 331. Screw; 332. Moving block; 333. Fixed block; 334. First guide rod;

[0027] 34. Elastic protective cover;

[0028] 35. Annular shielding cover;

[0029] 4. Close the door;

[0030] 5. Baffle. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of this application clearer, the following will be combined with the attached Figure 1-4 The present application is further described in detail. Obviously, the described embodiments are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0032] It should be understood that although the terms first, second, third, etc. may be used to describe in the embodiments of the present application, these descriptions should not be limited to these terms. These terms are only used to distinguish the descriptions. For example, without departing from the scope of the embodiments of the present application, the first may also be referred to as the second, and similarly, the second may also be referred to as the first.

[0033] The present application provides a spraying device, comprising: a spray box 1; the spray box 1 is provided with a supporting rotating assembly 2 for clamping and supporting a workpiece to be sprayed, and a spray assembly 3 for spraying the workpiece to be sprayed; the spray assembly 3 comprises: two spray heads 31 arranged side by side, a spacing adjustment structure 32 connected to the two spray heads 31, and a height adjustment structure 33 driven and connected to the spacing adjustment structure 32.

[0034] In this embodiment, the workpiece to be sprayed or the workpiece is a cover shell or other die-casting parts.

[0035] It can be understood that in this embodiment, the spraying positions of the two nozzles 31 in height are adjusted by the height adjustment structure 33, and the spraying distance between the two nozzles 31 and the workpiece to be sprayed is adjusted by the spacing adjustment structure 32, so that a fast spraying operation can be achieved, and compared with the prior art, the spraying effect on the workpiece surface is better.

[0036] Optionally, the height adjustment structure 33 includes a first servo motor 330 fixed to the upper end of the spray box 1, a screw 331 fixedly connected to the output shaft of the first servo motor 330, a moving block 332 slidingly connected to the screw 331, and a fixed block 333 rotatably connected to the lower end of the screw 331 through a bearing; the fixed block 333 is fixed on the right side wall inside the spray box 1; a threaded hole that threadably cooperates with the screw 331 is provided inside the moving block 332; specifically, the present application drives the screw 331 to rotate by the first servo motor 330, and drives the moving block 332 to move up and down by the screw 331, thereby adjusting the longitudinal height of the two nozzles 31 by the moving block 332.

[0037] Optionally, two first guide rods 334 parallel to the screw 331 are arranged on both sides of the outer periphery of the screw 331; each of the first guide rods 334 is passed through the two ends of the movable block 332 and is respectively fixed to the spray box 1 and the fixed block 333; it can be understood that the design advantage of the two first guide rods 334 is to ensure the stability of the movable block 332 during the longitudinal movement and prevent the movable block 332 from radially rotating during the movement, thereby affecting the spraying effect.

[0038] Optionally, an elastic protective cover 34 is provided between the upper end of the movable block 332 and the top wall of the spray box 1, and between the lower end of the movable block 332 and the bottom wall of the spray box 1; each of the elastic protective covers 34 is sleeved on the outside of the screw 331; wherein, the elastic protective cover 34 is made of plastic material, and is coated with a compression spring inside; it can be understood that the advantage of the design of the elastic protective cover 34 is to prevent paint from splashing onto the surface of the screw 331 during the spraying process, thereby affecting the normal use of the screw 331.

[0039] Optionally, the spacing adjustment structure 32 is fixed to the left side of the moving block 332; the spacing adjustment structure 32 includes: a first driving motor 320 fixed to the left side of the moving block 332, and a mounting block 321 drivingly connected to the first driving motor 320; wherein, two nozzles 31 are arranged side by side on the left side of the mounting block 321, and the spraying direction of the nozzle 31 is always toward the workpiece; and an oil delivery hole 322 connected to the nozzle 31 is provided on the mounting block 321.

[0040] Specifically, the first driving motor 320 drives the mounting block 321 to move in the horizontal direction, thereby adjusting the spraying distance between the nozzle 31 and the workpiece; the advantage of this design is that it can realize all-round spraying on the surface of the workpiece and improve the spraying effect.

[0041] When in use, the oil delivery hole 322 is connected to the paint pipeline to achieve a rapid spraying operation of the workpiece.

[0042] Optionally, two sets of guide structures are arranged between the mounting block 321 and the movable block 332; each guide structure comprises: a limiting sleeve 323 having one end fixedly connected to the movable block 332, and a second guide rod 324 having one end extending into the limiting sleeve 323 and being slidably connected to the limiting sleeve 323; the other end of the second guide rod 324 is fixed to the mounting block 321; the advantage of this design is that, through the guiding structure, the stability of the movement of the mounting block 321 is further ensured, thereby avoiding the shaking of the nozzle 31 during the spraying process, thereby affecting the spraying effect.

[0043] Optionally, the supporting rotating assembly 2 includes: a supporting block 21 fixed to the inner bottom wall of the spray box 1 by bolts, a second servo motor 22 fixed to the upper end of the supporting block 21, a supporting plate 23 fixed to the upper end of the output shaft of the second servo motor 22, a second driving motor 24 arranged at the top of the spray box 1 and corresponding to the position of the supporting plate 23, and a clamping plate 25 arranged at the bottom of the second driving motor 24; the second driving motor 24 is rotatably connected to the spray box 1 through a bearing; the output end of the second driving motor 24 extends into the end portion of the spray box 1 and is fixedly connected with a clamping plate 25 for clamping the workpiece to be sprayed.

[0044] When in use, the workpiece is placed on the upper end of the support plate 23, and the output shaft of the second drive motor 24 drives the clamping plate 25 to press the upper end of the workpiece. During the spraying process, the output shaft of the second servo motor 22 rotates to synchronously drive the workpiece to rotate, thereby completing the all-round spraying operation on the outer surface of the workpiece. Compared with the prior art, in this embodiment, the spraying efficiency and spraying effect of the workpiece are significantly improved, thereby reducing the production cost.

[0045] Optionally, an annular shielding cover 35 is arranged between the support plate 23 and the bottom wall of the spray box 1; the support block 21 and the second servo motor 22 are both arranged inside the annular shielding cover 35; there is a clearance fit between the upper end of the annular shielding cover 35 and the support plate 23; the advantage of this design is that the annular shielding cover 35 can prevent paint from splashing to the outside of the second servo motor 22 and affecting the normal operation of the second servo motor 22.

[0046] Optionally, an opening is set on the front side of the spray box 1 corresponding to the position of the supporting rotating component 2; a closed door 4 is slidably set at the opening; a baffle 5 made of transparent material is set in the middle of the closed door 4; the advantage of this design is that the baffle 5 can facilitate the operator to observe the spraying status of the internal workpiece.

[0047] Working process: first, place the spray box 1 at the spraying location, open the closed door 4, place the workpiece to be sprayed on the support plate 23, and then start the second drive motor 24 to make the clamping plate clamp the workpiece, and then start the first drive motor 320 to adjust the distance between the nozzle 31 and the workpiece, and then input the paint into the nozzle 31 through the external device, and then start the first servo motor 330 to move the nozzle 31 to spray one side of the workpiece. After the spraying is completed, start the second servo motor 22 to control the rotation of the workpiece until the outer surface of the workpiece is sprayed. It can be understood that the spraying equipment can quickly spray the workpiece, with high spraying efficiency and good effect, which is conducive to practical application.

[0048] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

Claims

1. A spraying device, characterized in that: include: A spray box (1); a supporting rotating assembly (2) for clamping and supporting a workpiece to be sprayed and a spray assembly (3) for spraying the workpiece to be sprayed are arranged inside the spray box (1); the spray assembly (3) comprises: at least two spray heads (31), a spacing adjustment structure (32) connected to the at least two spray heads (31), and a height adjustment structure (33) drivingly connected to the spacing adjustment structure (32).

2. The spraying equipment according to claim 1, characterized in that: The height adjustment structure (33) comprises a first servo motor (330) fixed to the upper end of the spray box (1), a screw (331) fixedly connected to the output shaft of the first servo motor (330), a moving block (332) slidably connected to the screw (331), and a fixed block (333) rotatably connected to the lower end of the screw (331); the fixed block (333) is fixed to the side wall inside the spray box (1); and a threaded hole matching the screw (331) is arranged inside the moving block (332).

3. The spraying equipment according to claim 2, characterized in that: At least one first guide rod (334) is arranged on the outer periphery of the screw rod (331); the first guide rod (334) is passed through the two ends of the movable block (332) and is respectively fixed to the spray box (1) and the fixed block (333).

4. The spraying equipment according to claim 3, characterized in that: An elastic protective cover (34) is provided between the upper end of the moving block (332) and the top wall of the spray box (1), and between the lower end of the moving block (332) and the bottom wall of the spray box (1); each elastic protective cover (34) is sleeved on the outside of the screw rod (331).

5. The spraying equipment according to claim 4, characterized in that: The elastic protective cover (34) is made of plastic material and is internally coated with a compression spring.

6. The spraying equipment according to claim 5, characterized in that: The spacing adjustment structure (32) is fixed to the outside of the moving block (332); the spacing adjustment structure (32) comprises: a first drive motor (320) fixed to the outside of the moving block (332), and a mounting block (321) drivingly connected to the first drive motor (320); wherein at least two spray heads (31) are arranged on the outside of the mounting block (321); and an oil delivery hole (322) communicating with the spray heads (31) is provided on the mounting block (321).

7. The spraying equipment according to claim 6, characterized in that At least one guide structure is provided between the mounting block (321) and the moving block (332); the guide structure comprises: a limiting sleeve (323) having one end fixedly connected to the moving block (332), and a second guide rod (324) having one end extending into the limiting sleeve (323) and slidably connected to the limiting sleeve (323); the other end of the second guide rod (324) is fixed to the mounting block (321).

8. The spraying equipment according to claim 7, characterized in that: The support rotating assembly (2) comprises: a support block (21) fixed to the inner bottom wall of the spray box (1), a second servo motor (22) fixed to the upper end of the support block (21), a support plate (23) fixed to the upper end of the output shaft of the second servo motor (22), a second drive motor (24) arranged at the top of the spray box (1) and corresponding to the position of the support plate (23), and a clamping plate (25) arranged at the bottom of the second drive motor (24); wherein the second drive motor (24) is rotatably connected to the spray box (1), and the output end of the second drive motor (24) extends into the end portion of the spray box (1) and is fixedly connected to a clamping plate (25) for clamping a workpiece to be sprayed.

9. The spraying equipment according to claim 8, characterized in that: An annular shielding cover (35) is arranged between the support plate (23) and the bottom wall of the spray box (1); the support block (21) and the second servo motor (22) are both arranged inside the annular shielding cover (35); and there is a clearance fit between the upper end of the annular shielding cover (35) and the support plate (23).

10. The spraying equipment according to claim 9, characterized in that: An opening is arranged at the front side of the spray box (1) corresponding to the position of the supporting rotating assembly (2); a closed door (4) is slidably arranged at the opening; and a baffle (5) made of a transparent material is arranged in the middle of the closed door (4).

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