Miniature steel ball head and tail double-layer screening machine

Abstract

The utility model discloses a miniature steel ball stub bar and tail double-layer screening machine which comprises a discharging hopper, a discharging pipe is fixedly connected to the bottom of the front end of the inner wall of the discharging hopper, multiple sets of lower supporting columns are welded to the two ends of the top of a frame body, spring washers are connected to the bottom ends of the outer walls of the lower supporting columns in a sleeved mode, and springs are connected to the top ends of the outer walls of the lower supporting columns in a sleeved mode. The top ends of the inner walls of the springs are sleeved with upper supporting columns, second screening plates are welded to the tops of the upper supporting columns, baffles are welded to the two ends of the top of each second screening plate, first screening plates are welded to the tops of the baffles, the first screening plates can screen steel ball blank finished products, and blank waste and chippings can directly penetrate through the first screening plates and fall on the surfaces of the second screening plates. The second screen plate can screen steel ball blank waste materials, blank chippings can penetrate through the second screen plate to fall on the ground, through the arrangement of the two screen plate structures of the first screen plate and the second screen plate, material heads and material tails can be thoroughly screened out, and the product quality can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micro bearing production and processing, in particular to a double-layer screening machine for micro steel ball head and tail materials. Background Art

[0002] Miniature bearings refer to various types of bearings with an outer diameter of less than 9mm in the metric series and less than 9.525mm in the imperial series. The main materials include carbon steel, bearing steel, stainless steel, plastic, ceramics, etc. The smallest inner diameter can be 0.6mm, and the inner diameter is generally 1mm. Among the ultra-small aperture miniature bearings, the types of miniature deep groove ball bearings include metric 68 series, 69 series, 60 series, etc., and the imperial R series has a total of 6 types. On this basis, it can also be divided into bearing series with ZZ steel plate dust cover, miniature bearing series with RS rubber seal ring, Teflon bearing seal ring series and flange rib series.

[0003] The following problems exist: During the production and processing of miniature bearings, the mixed miniature steel ball blanks and the starting and ending materials are usually placed in a drum. During the rotation of the drum, gravity is used to sort the miniature steel ball blanks and the starting and ending materials. Since the miniature steel ball blanks and the starting and ending materials are very light, it is difficult to accurately screen out the starting and ending materials and the blanks. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A double-layer screening machine for micro steel ball head and tail materials comprises a lower hopper, a discharge pipe is fixedly connected to the bottom of the front end of the inner wall of the lower hopper, supporting square columns are welded at the vertical symmetry axes of the outer walls on both sides of the lower hopper, a frame is welded to the bottom ends of the opposite surfaces of the supporting square columns, a plurality of groups of lower supporting columns are welded to the two ends of the top of the frame, spring washers are sleeved on the bottom ends of the outer walls of the lower supporting columns, springs are sleeved on the top ends of the outer walls of the lower supporting columns, upper supporting columns are sleeved on the top ends of the inner walls of the springs, a second sieve plate is welded on the top of the upper supporting columns, baffles are welded on both ends of the top of the second sieve plate, a first sieve plate is welded on the top of the baffle, side plates are welded to the rear ends of the first and second sieve plates, and a vibration motor is fixedly connected to the bottom of the rear ends of the side plates.

[0007] As a further description of the above technical solution:

[0008] A threaded shaft is welded on the top of the front end of the discharge hopper, an adjustment plate is slidably connected to the bottom end of the outer wall of the threaded shaft, and a nut ring is threadedly connected to the top end of the outer wall of the threaded shaft; by setting the adjustment plate, steel ball blanks of different diameters and the discharge speed can be controlled.

[0009] As a further description of the above technical solution:

[0010] A flap is fixedly connected to the bottom of the front end of the adjustment plate, and a protective cover is welded to the bottom of the front end of the lower hopper; the protective cover is mainly provided to prevent wind and dust.

[0011] As a further description of the above technical solution:

[0012] The front and rear ends of the bottom of the frame are welded with bottom blocks, the bottom of the bottom block is welded with a bottom frame, and one end of the inner wall of the bottom frame is welded with a base; by setting the frame, the stability of the vibration structure can be improved.

[0013] As a further description of the above technical solution:

[0014] Screws are threadedly connected at both ends of the inner wall of the base, gear plates are welded on the tops of the screws, a rotating rod is fixedly connected to one end of the top of the gear plate, a gear belt is meshed on the outer wall of the gear plate, a placement rack is welded on the front end of the frame, and a waste box is sleeved on the inner wall of the placement rack; by setting a connecting structure between the gear plate and the gear belt, the two groups of gear plates and screws can rotate together under the drive of the gear belt, thereby facilitating the adjustment of the inclination of the entire screening machine, and also playing a role in controlling the unloading speed during the blank screening process.

[0015] As a further description of the above technical solution:

[0016] A material lowering cover is welded to the front end of the second sieve plate, an inclined plate is welded to the front end of the first sieve plate, and the top of the material lowering cover is welded to the bottom of the inclined plate; by providing the inclined plate, the conveying speed of the finished steel ball blanks can be accelerated.

[0017] As a further description of the above technical solution:

[0018] Baffles are welded at both ends of the top of the first screen plate, inclined blocks are welded at the front ends of the baffles, the bottoms of the inclined blocks are welded to the two ends of the top of the inclined plate, and two groups of baffles and inclined blocks are provided; by setting the inclined blocks, the finished steel ball blanks can be prevented from sliding off from both sides of the top of the first screen plate.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the first screen plate can screen the finished steel ball blanks, and the blank waste and debris will directly pass through the first screen plate and fall on the surface of the second screen plate; the second screen plate can screen the steel ball blank waste, and the blank debris will pass through the second screen plate and fall on the ground; by setting up two sets of screen plate structures, the first screen plate and the second screen plate, the material head and tail can be thoroughly screened out, which is beneficial to greatly improve the quality of the product; the vibration motor on the side plate can be used to vibrate the first screen plate and the second screen plate together, thereby speeding up the screening speed; when the staff holds a set of rotating rods with one hand and rotates the gear plate and the screw at the bottom, the two sets of the same gear plate and the screw can be on the same gear belt The upper support column and the lower support column are separated, and there is a certain distance gap to ensure the vibration of the upper screen bed and the lower support column. At the same time, spring washers are installed at the bottom of the spring, which not only increases the height, but also slows down the vibration frequency of the structure under the lower support column. The adjusting plate can slide up and down at the front end of the lower hopper, and the adjusting plate can be fixed on the lower hopper by using the nut ring. At this time, the steel ball blanks of different diameters and the feeding speed can be controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of a miniature steel ball head and tail double-layer screening machine proposed by the utility model;

[0021] Figure 2 This is a right view of a miniature steel ball head and tail double-layer screening machine proposed by the utility model;

[0022] Figure 3 This is a right side cross-sectional view of a miniature steel ball head and tail double-layer screening machine proposed by the utility model;

[0023] Figure 4 A miniature steel ball head and tail double-layer screening machine proposed by the utility model Figure 3 A partial enlarged view of the middle A area;

[0024] Figure 5 A miniature steel ball head and tail double-layer screening machine proposed by the utility model Figure 3 A partial enlarged view of the middle B area;

[0025] Figure 6 A miniature steel ball head and tail double-layer screening machine proposed by the utility model Figure 3 Partial enlarged view of the middle C area

[0026] Figure 7A miniature steel ball head and tail double-layer screening machine proposed by the utility model Figure 3 A partial enlarged view of area D in the middle.

[0027] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0028] 1. Lower hopper; 2. Discharge pipe; 3. Threaded shaft; 4. Adjustment plate; 5. Nut ring; 6. Flip cover; 7. Protective cover; 8. Support square column; 9. Frame; 10. Bottom block; 11. Bottom frame; 12. Base; 13. Screws; 14. Placement rack; 15. Waste box; 16. Lower support column; 17. Spring gasket; 18. Spring; 19. Upper support column; 20. Second sieve plate; 21. Baffle; 22. Lower hood; 23. First sieve plate; 24. Inclined plate; 25. Baffle bar; 26. Inclined block; 27. Side plate; 28. Vibration motor; 29. ​​Gear plate; 30. Turn rod; 31. Gear belt. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0032] Reference Figure 1-7 The utility model provides an embodiment: a micro steel ball head and tail double-layer screening machine, including a lower hopper 1, a discharge pipe 2 is fixedly connected to the bottom of the front end of the inner wall of the lower hopper 1, the internal cavity of the discharge pipe 2 is set to a cuboid, a threaded shaft 3 is welded on the top of the front end of the lower hopper 1, an adjusting plate 4 is slidably connected to the bottom end of the outer wall of the threaded shaft 3, and a nut ring 5 is threadedly connected to the top of the outer wall of the threaded shaft 3. By setting the nut ring 5, the adjusting plate 4 can be fixed on the lower hopper 1, and by setting the adjusting plate 4, steel ball blanks of different diameters and the feeding speed can be controlled. A flap 6 is fixedly connected to the bottom of the front end of the adjusting plate 4, and a protective cover 7 is welded to the bottom of the front end of the lower hopper 1. By setting the protective cover 7, it mainly plays a role in wind and dust prevention.

[0033] Supporting square columns 8 are welded at the vertical symmetry axes of the outer walls on both sides of the lower hopper 1, and a frame 9 is welded at the bottom end of the opposite surface of the supporting square columns 8. By setting the supporting square columns 8, the lower hopper 1 and the frame 9 can be fixed together. The front and rear ends of the bottom of the frame 9 are welded with bottom blocks 10, and the bottom of the bottom block 10 is welded with a bottom frame 11. A base 12 is welded at one end of the inner wall of the bottom frame 11, and screws 13 are threadedly connected at both ends of the inner wall of the base 12. A placement rack 14 is welded at the front end of the frame 9, and a waste box 15 is sleeved on the inner wall of the placement rack 14. By setting the waste box 15, the The rough waste screened out on the second sieve plate 20 is recycled, and multiple groups of lower support columns 16 are welded on the top of the frame 9. The bottom ends of the outer walls of the lower support columns 16 are sleeved with spring washers 17. By setting the spring washers 17, not only the height is increased, but also the vibration frequency of the structure below the lower support columns 16 is slowed down. The top ends of the outer walls of the lower support columns 16 are sleeved with springs 18, and the top ends of the inner walls of the springs 18 are sleeved with upper support columns 19. The upper support columns are separated from the lower support columns, and there is a certain distance gap to ensure that the upper screen bed vibrates and the lower bracket is fixed.

[0034] A second sieve plate 20 is welded on the top of the upper support column 19. By setting the second sieve plate 20, waste steel ball blanks can be screened, and the blank debris will pass through the second sieve plate 20 and fall to the ground. Baffles 21 are welded on both ends of the top of the second sieve plate 20. By setting the baffle 21, the safety of the screening process of the second sieve plate 20 can be improved. A discharge cover 22 is welded on the front end of the second sieve plate 20. By setting the discharge cover 22, the screened waste steel ball blanks can be accurately transported to the waste box 15. A first sieve plate 23 is welded on the top of the baffle 21. By setting the first sieve plate 23, finished steel ball blanks can be screened. Waste and debris will directly pass through the first sieve plate 23 and fall on the surface of the second sieve plate 20. An inclined plate 24 is welded at the front end of the first sieve plate 23. By setting the inclined plate 24, the conveying speed of the finished steel ball blanks can be accelerated. Baffles 25 are welded at both ends of the top of the first sieve plate 23, and inclined blocks 26 are welded at the front ends of the baffles 25. The bottoms of the inclined blocks 26 are welded to the two ends of the top of the inclined plates 24. Side plates 27 are welded at the rear ends of the first sieve plate 23 and the second sieve plate 20. A vibration motor 28 is fixedly connected to the bottom of the rear end of the side plate 27. By setting the vibration motor 28, the first sieve plate 23 and the second sieve plate 20 can be vibrated together, thereby accelerating the screening speed.

[0035] A gear plate 29 is welded on the top of the screw 13, and a rotating rod 30 is fixedly connected to one end of the top of the gear plate 29. A gear belt 31 is meshed on the outer wall of the gear plate 29. By setting the rotating rod 30, it is convenient for the staff to rotate the gear plate 29 and the screw 13. By setting the connecting structure between the gear plate 29 and the gear belt 31, the two groups of gear plates 29 and the screw 13 can rotate together under the drive of the gear belt 31, thereby facilitating the adjustment of the inclination of the entire screening machine, and also playing a role in controlling the unloading speed during the blank screening process.

[0036] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A double-layer screening machine for micro steel ball head and tail, comprising a lower hopper (1), characterized in that: The bottom of the front end of the inner wall of the lower hopper (1) is fixedly connected with a discharge pipe (2), support square columns (8) are welded at the vertical symmetry axes of the outer walls on both sides of the lower hopper (1), a frame (9) is welded at the bottom ends of the opposite surfaces of the support square columns (8), multiple groups of lower support columns (16) are welded at both ends of the top of the frame (9), the bottom ends of the outer walls of the lower support columns (16) are sleeved with spring washers (17), the top ends of the outer walls of the lower support columns (16) are sleeved with springs (18), the top ends of the inner walls of the springs (18) are sleeved with upper support columns (19), the tops of the upper support columns (19) are welded with second sieve plates (20), the top ends of the tops of the second sieve plates (20) are welded with baffles (21), the tops of the baffles (21) are welded with a first sieve plate (23), the rear ends of the first sieve plates (23) and the second sieve plates (20) are welded with side plates (27), and the bottoms of the rear ends of the side plates (27) are fixedly connected with a vibration motor (28).

2. A double-layer screening machine for micro steel ball head and tail according to claim 1, characterized in that: A threaded shaft (3) is welded to the top of the front end of the lower hopper (1); an adjustment plate (4) is slidably connected to the bottom end of the outer wall of the threaded shaft (3); and a nut ring (5) is threadedly connected to the top end of the outer wall of the threaded shaft (3).

3. A double-layer screening machine for micro steel ball head and tail according to claim 2, characterized in that: The bottom front end of the adjustment plate (4) is fixedly connected with a flap (6), and the bottom front end of the lower hopper (1) is welded with a protective cover (7).

4. The micro steel ball head and tail double-layer screening machine according to claim 1, characterized in that: A bottom block (10) is welded to the front and rear ends of the bottom of the frame (9), a bottom frame (11) is welded to the bottom of the bottom block (10), and a base (12) is welded to one end of the inner wall of the bottom frame (11).

5. A double-layer screening machine for micro steel ball head and tail according to claim 4, characterized in that: Both ends of the inner wall of the base (12) are threadedly connected with screws (13), the top of the screw (13) is welded with a gear plate (29), one end of the top of the gear plate (29) is fixedly connected with a rotating rod (30), the outer wall of the gear plate (29) is meshed with a gear belt (31), the front end of the frame (9) is welded with a placement rack (14), and the inner wall of the placement rack (14) is sleeved with a waste box (15).

6. The micro steel ball head and tail double-layer screening machine according to claim 1, characterized in that: A lower material cover (22) is welded to the front end of the second sieve plate (20), an inclined plate (24) is welded to the front end of the first sieve plate (23), and the top of the lower material cover (22) is welded to the bottom of the inclined plate (24).

7. A double-layer screening machine for micro steel ball head and tail according to claim 6, characterized in that: Both ends of the top of the first sieve plate (23) are welded with baffles (25), the front ends of the baffles (25) are welded with inclined blocks (26), the bottoms of the inclined blocks (26) are welded to both ends of the top of the inclined plate (24), and two groups of baffles (25) and inclined blocks (26) are provided.

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