Vibration screening device for powder scattering machine

Abstract

The utility model discloses a vibration screening device for a powder duster, which comprises a base provided with mounting racks and a screening piece arranged between the two mounting racks, vibration components are arranged on the mounting racks, the vibration components are connected with the screening piece, and the vibration components comprise elastic pieces and vibration motors. The vibration motor moves to drive the elastic piece to deform, so that the screening piece shakes, raw material powder in the screening piece is shaken and loosened, and the raw material powder can fall off smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of powder spreading machines, in particular to a vibration screening device for a powder spreading machine. Background Art

[0002] A powder sprinkler is a device used to sprinkle powder on paper. In the prior art, raw material powder falls onto the surface of the raw material through a powder sprinkler. Due to the high density of the raw material powder, when a large amount of raw material powder is sprinkled, it is easy to cause accumulation and blockage, resulting in the raw material powder not being sprinkled on the surface of the raw material in time. Utility Model Content

[0003] The utility model provides a vibration screening device for a powder spreading machine, which solves the problem of accumulation and blockage of raw material powder in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A vibrating screening device for a powder spreading machine, comprising

[0006] A base, wherein a mounting frame is provided on the base;

[0007] A screening element, which is arranged between two mounting frames;

[0008] The invention is characterized in that: a vibration component is provided on the mounting frame, the vibration component is connected to the screening piece, the vibration component comprises an elastic piece and a vibration motor, the elastic piece is deformed by the movement of the vibration motor so that the screening piece vibrates, and the raw material powder can fall smoothly.

[0009] Furthermore, the vibration assembly also includes a mounting plate, the vibration motor is arranged on the mounting plate, one end of the elastic member is connected to the mounting plate, and the other end is connected to the mounting frame by a screw, which plays a connecting effect and facilitates the installation of the vibration motor.

[0010] Furthermore, the elastic member is a spring, and the elastic members are evenly distributed under the mounting plate. Both ends of the elastic member are connected with mounting sleeves. The elastic member is screwed into the mounting sleeve and connected with the mounting sleeve by glue injection to achieve a fixed connection between the spring and the mounting sleeve, thereby improving the tightness of the fit and preventing the elastic member and the mounting sleeve from falling off due to long-term vibration, which affects the shaking effect.

[0011] Furthermore, a threaded hole is provided on the mounting sleeve, and corresponding matching holes are provided on the mounting plate and the mounting frame. The screw passes through the threaded hole and matches with the matching hole, and cooperates with the nut to realize the connection between the elastic part and the mounting plate and the mounting frame. A part of the screw is located in the middle channel of the spring to improve the stability of movement.

[0012] Furthermore, a connecting rod is welded to the rear end surfaces of the two mounting plates, and the connecting rod connects the two mounting plates to achieve synchronous movement of the mounting plates on both sides, thereby improving the stability of the movement.

[0013] Furthermore, a limit block is provided on the connecting rod, and the limit block is bent to form a clamping groove with the upper surface of the connecting rod. A clamping portion is provided at the rear end of the screening element, and the clamping portion is clamped in the clamping groove to achieve the limitation of the screening element and to limit the installation position of the screening element. At the same time, the lower end surface of the clamping groove abuts against the upper end surface of the clamping portion to achieve a tightening effect.

[0014] Furthermore, a mounting portion is welded to the front end of the screening element, the mounting portion is fitted with the surface of the mounting plate, a positioning hole is provided on the mounting portion, and a blind hole is provided on the mounting plate. The screw passes through the positioning hole and is screwed into the blind hole to realize the connection between the screening element and the mounting plate, which is used to determine the position of the screening element.

[0015] Furthermore, a groove is provided on the upper end surface of the screening element, and a buffer portion is obliquely provided in the groove, so that the raw material powder slides through the buffer portion and slows down the falling speed, thereby preventing blockage caused by excessive accumulation of raw material powder.

[0016] Furthermore, a drop opening is provided at the bottom end of the groove, and the drop opening is evenly distributed in the groove, and the raw material powder falls through the drop opening to the next process.

[0017] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0018] The utility model discloses a vibration screening device for a powder spreading machine. A vibration assembly is arranged on a mounting frame. The vibration assembly is connected to a screening piece. The vibration assembly comprises an elastic piece and a vibration motor. The elastic piece is deformed by the movement of the vibration motor to make the screening piece vibrate, and raw material powder in the screening piece is shaken to loosen it so that the raw material powder can fall smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Figure 1 This is a structural schematic diagram of a vibration screening device for a powder spreading machine according to the utility model;

[0021] Figure 2 for Figure 1 A top view of

[0022] Figure 3 for Figure 1 Schematic diagram of the structure with the screening element removed;

[0023] Figure 4 for Figure 3 Right view of;

[0024] Figure 5 Annotation diagram for screening parts;

[0025] Figure 6 for Figure 5 Sectional view along AA direction;

[0026] Figure 7 It is a structural schematic diagram of the elastic member in the utility model.

[0027] In the figure,

[0028] 10-base; 11-mounting frame; 12-vibration motor; 13-mounting plate; 14-elastic member; 15-limiting block; 16-screening member; 17-vibration assembly; 18-clamping groove; 19-mounting sleeve; 20-connecting rod; 21-mounting part; 22-clamping part; 23-buffer part; 24-dropping mouth; 25-groove; 26-threaded hole; 27-bending part. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0032] like Figures 1 to 7 As shown, a vibration screening device for a powder spreading machine of the utility model is provided, a vibration assembly 17 is provided on the mounting frame 11, the vibration assembly 17 is connected to the screening member 16, the vibration assembly 17 includes an elastic member 14 and a vibration motor 12, the elastic member 14 is deformed by the movement of the vibration motor 12, and the screening member 16 is vibrated, and the raw material powder in the screening member 16 is shaken to loosen it so that the raw material powder can fall smoothly.

[0033] The utility model discloses a vibration screening device for a powder spreading machine, comprising a base 10, a mounting frame 11 is arranged at the left and right ends of the base 10, a vibration assembly 17 is arranged on each mounting frame 11, the vibration assembly 17 comprises a vibration motor 12, an elastic member 14 and a mounting plate 13, the vibration motor 12 is mounted above the mounting plate 13 by bolts, the elastic members 14 are evenly arranged below the mounting plate 13, the stability of the mounting plate 13 during movement is improved, the specific number of the elastic members 14 is set according to the actual situation, the elastic members 14 are springs, Mounting sleeves 19 are installed at both ends of the spring, and mounting channels are provided on the mounting sleeves 19. The two ends of the spring are screwed into the mounting channels of the mounting sleeves 19 and fixedly connected by glue. The bottom surfaces of the mounting sleeves 19 at both ends are respectively abutted against the lower end surface of the mounting plate 13 and the upper end surface of the mounting frame 11. Threaded holes 26 are provided on the mounting sleeves 19, and corresponding matching holes are provided on the mounting plate 13 and the mounting frame 11. The screws pass through the threaded holes 26 and match with the matching holes, and are locked with the nuts to realize the connection between the elastic member 14 and the mounting plate 13 and the mounting frame 11.

[0034] A connecting rod 20 is welded to the rear end faces of the two mounting plates 13. The connecting rod 20 connects the two mounting plates 13 to achieve synchronous movement of the mounting plates 13 on both sides and improve the stability of the movement. Limit blocks 15 are provided at both ends of the connecting rod 20. The limit blocks 15 are fixedly connected to the connecting rod 20 by screws. The upper end face of the limit block 15 is bent to form a bending portion 27. The bending portion 27 and the upper surface of the connecting rod 20 form a clamping groove 18. A screening member 16 is connected to the connecting rod 20. The screening member 16 adopts an aggregate funnel. A clamping portion 22 is provided at the rear end of the screening member 16. The clamping portion 22 is clamped in the clamping groove 18 to limit the installation position of the screening member 16. At the same time, the lower end face of the clamping groove 18 is abutted against the upper end face of the clamping portion 22 to achieve a tightening effect.

[0035] A mounting portion 21 is welded to the front end of the screening member 16, and both ends of the mounting portion 21 extend to the mounting plate 13. The lower surface of the mounting portion 21 is fitted with the upper surface of the mounting plate 13. A positioning hole is provided on the mounting portion 21, and a blind hole is provided on the mounting plate 13. The screw passes through the positioning hole and is screwed into the blind hole to achieve the connection between the screening member 16 and the mounting plate 13. A groove 25 is provided on the upper end surface of the screening member 16, and a buffer portion 23 is obliquely arranged in the groove 25. The raw material powder slides through the buffer portion 23 to slow down the falling speed, thereby preventing blockage caused by excessive accumulation of raw material powder. A drop opening 24 is provided at the bottom end of the groove 25, and the drop openings 24 are evenly arranged in the groove 25. The raw material powder falls through the drop opening 24 until it reaches the next process.

[0036] The working principle of the utility model is as follows:

[0037] When the raw material powder falls into the groove 25, a part of the raw material powder slowly falls along the buffer part 23. At the same time, the vibration motor 12 is in working state. The vibration motor 12 drives the mounting plate 13 to vibrate, causing the elastic member 14 to deform. At the same time, the elastic restoring force of the elastic member 14 causes the elastic member 14 to recover. The vibration motor 12 drives the elastic member 14 to perform reciprocating motion, driving the screening member 16 to shake up and down, causing the raw material powder in the screening member 16 to shake, thereby preventing the raw material powder from accumulating in the groove 25 and causing the raw material powder to accumulate and block at the drop port 24.

[0038] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A vibrating screening device for a powder spreading machine, comprising: A base, wherein a mounting frame is provided on the base; A screening element, the screening element being arranged between the two mounting frames; Features: A vibration component is provided on the mounting frame, and the vibration component is connected to the screening element. The vibration component includes an elastic element and a vibration motor. The movement of the vibration motor drives the elastic element to deform so that the screening element vibrates, and the raw material powder can fall smoothly; the vibration component also includes a mounting plate, and the vibration motor is arranged on the mounting plate. One end of the elastic element is connected to the mounting plate, and the other end is connected to the mounting frame by a screw; the elastic element adopts a spring, and the elastic elements are evenly arranged under the mounting plate. Both ends of the elastic element are connected with mounting sleeves, and the elastic element is screwed into the mounting sleeve and connected with the mounting sleeve by glue injection; the mounting sleeve is provided with a threaded hole, and the mounting plate and the mounting frame are provided with corresponding matching holes. The screw passes through the threaded hole and matches with the matching hole, and matches with the nut to realize the connection between the elastic element and the mounting plate and the mounting frame.

2. A vibrating screening device for a powder spreading machine according to claim 1, characterized in that: A connecting rod is welded to the rear end surfaces of the two mounting plates, and the connecting rod connects the two mounting plates.

3. A vibrating screening device for a powder spreading machine according to claim 2, characterized in that: The connecting rod is provided with a limiting block, the limiting block is bent to form a clamping groove with the upper surface of the connecting rod, the rear end of the screening element is provided with a clamping part, the clamping part is clamped in the clamping groove to achieve the limiting of the screening element.

4. A vibrating screening device for a powder spreading machine according to claim 1, characterized in that: A mounting portion is welded to the front end of the screening element, and the mounting portion is fitted with the surface of the mounting plate. A positioning hole is provided on the mounting portion, and a blind hole is provided on the mounting plate. A screw passes through the positioning hole and is screwed into the blind hole to achieve the connection between the screening element and the mounting plate.

5. A vibrating screening device for a powder spreading machine according to claim 1, characterized in that: A groove is provided on the upper end surface of the screening element, and a buffer portion is obliquely arranged in the groove.

6. A vibrating screening device for a powder spreading machine according to claim 5, characterized in that: The bottom end of the groove is provided with a drop opening, and the drop openings are evenly distributed in the groove.

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