Steel ball screening device special for numerical control machine tool bearing

Abstract

The utility model discloses a special steel ball screening device for a numerical control machine tool bearing, which belongs to the technical field of bearing steel balls and particularly comprises a screening plate, coamings are fixedly connected to two sides of the screening plate, intercepting baffles are arranged on the other two sides of the screening plate, and the intercepting baffles are suspended above the screening plate. The intercepting baffle and the sieve plate are jointly matched to form a first intercepting cavity for the steel balls; the feeding end of the sieve plate is fixedly connected with a plurality of ball clamping blocks which are distributed at intervals, and every two adjacent ball clamping blocks are jointly matched to form a second intercepting cavity for the steel balls; the screening plate is provided with material distributing grooves corresponding to the intercepting cavities, the material distributing grooves are communicated with the corresponding intercepting cavities, and the material distributing grooves are further provided with screening grooves penetrating through the screening plate. Compared with the prior art, the utility model has the characteristics of eliminating the leak detection risk caused by the steel ball superposition phenomenon and avoiding the leak detection risk of the mixed large-diameter steel balls.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing steel balls, and in particular relates to a special steel ball screening device for CNC machine tool bearings. Background Art

[0002] With the development of the times, people's living standards are constantly improving, and industrialization and intelligence are also constantly innovating and developing. Bearings are commonly used transmission components in the field of industrial equipment and are widely used in various equipment. Bearings are a kind of precision mechanical basic parts, and the steel balls used in bearings have strict size specifications. Therefore, the steel balls used in the bearing production process must be screened before they can be used. In the process of processing steel balls, different devices need to be used to screen the steel balls. The steel balls in the existing technology and the steel balls used in bearings have strict size specifications and must be screened before they can be used.

[0003] In the process of screening steel balls, the steel balls are generally dumped into the slide. The ball baffles suspended in the slide block the larger steel balls during the rolling process, while the qualified steel balls continue to roll and the oiling brush oils the steel balls. Figure 1 As shown, the steel balls after being brushed with oil enter the diversion groove on the screen plate, and the steel balls are further screened and diverted. However, when the traditional screen plate screens the steel balls, there is not only the problem of missed detection due to overlapping steel balls, but also the problem of missed detection of large-diameter steel balls. Therefore, it is necessary to provide a special steel ball screening device for CNC machine tool bearings to solve the above technical problems. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a special steel ball screening device for CNC machine tool bearings, which has the characteristics of eliminating the risk of missed detection caused by the phenomenon of overlapping steel balls and avoiding the risk of missed detection of mixed large-diameter steel balls.

[0005] To achieve the above object, the utility model provides the following technical solution: a steel ball screening device for CNC machine tool bearings, comprising a screen plate, with enclosure plates fixedly connected to two sides of the screen plate, and interception baffles provided on the other two sides of the screen plate, the interception baffles being suspended above the screen plate, and the interception baffles and the screen plate cooperating to form a first interception chamber for the steel balls;

[0006] The feed end of the sieve plate is fixedly connected to a plurality of spaced ball blocks, and two adjacent ball blocks cooperate to form a second interception cavity for the steel balls;

[0007] The sieve plate is provided with a distribution trough corresponding to the interception cavity, the distribution trough is communicated with the corresponding interception cavity, and the distribution trough is further provided with a screening trough that passes through the sieve plate.

[0008] Preferably, the intercepting baffle is located between the two side fences, and the intercepting baffle is fixedly connected with the fences.

[0009] Preferably, the two sides of one end of the ball clamping block are provided with flow guide inclined surfaces.

[0010] Preferably, the material distribution groove is a V-shaped structure.

[0011] Preferably, the intercepting baffle is vertically and slidingly connected with the fence, and is used for adjusting the size of the first intercepting cavity.

[0012] Preferably, the two sides of the intercepting baffle are fixedly connected with guide rails, and the guide rails are slidingly connected in guide grooves arranged on the fence.

[0013] Preferably, the fence is provided with a locking mechanism for locking the guide rail, the locking mechanism comprises a sliding cavity, the sliding cavity is arranged on one side of the guide groove and communicates with the guide groove, a locking plate is slidingly connected in the sliding cavity, a locking tooth is fixedly connected on the side of the locking plate opposite to the guide rail, and the locking tooth is arranged in a locking groove arranged on the guide rail.

[0014] Preferably, the fence is provided with a driving groove, a nut is movably connected in the driving groove, the other side of the nut is fixedly connected with a screw rod, the screw rod is threadedly connected with the fence, and the other end of the screw rod extends into the sliding cavity and is rotatably connected with the locking plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The intercepting baffle arranged on the screen plate can intercept the steel balls stacked on the screen plate, eliminate the risk of missing detection caused by the stacking of the steel balls, the ball clamping block arranged at the feeding end of the screen plate can intercept the steel balls with large diameters, and the risk of missing detection of the mixed large-diameter steel balls is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0018] Figure 1 It is a prior art three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic view of the embodiment 1 of the utility model;

[0020] Figure 3 It is a top view structure schematic view of the embodiment 1 of the utility model;

[0021] Figure 4 It is a side view structure schematic diagram of the embodiment 1 of the utility model;

[0022] Figure 5 It is a three-dimensional structure schematic diagram of the embodiment 2 of the utility model;

[0023] Figure 6 It is a top view structure schematic diagram of the embodiment 2 of the utility model;

[0024] Figure 7 It is a surrounding board section structure schematic diagram of the utility model;

[0025] Figure 8 It is the utility model Figure 7 The enlarged structure schematic diagram of A place in the middle;

[0026] In the drawing: 1, sieve plate; 2, surrounding board; 3, intercepting baffle; 4, ball clamping block; 5, distributing groove; 6, sieving groove; 7, guide slope; 8, guide rail; 9, guide groove; 10, locking mechanism; 101, sliding cavity; 102, locking plate; 103, locking tooth; 104, locking groove; 105, driving groove; 106, nut; 107, screw rod. Specific implementation

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] Please refer to Figures 1-4 The embodiment provides the following technical scheme: a special steel ball sieving device for numerical control machine tool bearing, which comprises a sieve plate 1, surrounding boards 2 are fixedly connected to the front and rear sides of the sieve plate 1, the surrounding boards 2 are fixedly connected to the front and rear sides, and the surrounding boards 2 can block the steel balls entering the sieve plate 1.

[0030] Intercepting baffles 3 are arranged on the left and right sides of the sieve plate 1, the intercepting baffles 3 are suspended above the sieve plate 1, and the intercepting baffles 3 and the sieve plate 1 jointly form a first intercepting cavity of the steel balls. The intercepting baffles 3 suspended on the sieve plate 1 can intercept the steel balls stacked on the sieve plate 1, and eliminate the risk of missed detection caused by the stacking of the steel balls.

[0031] The intercepting baffles 3 are located between the surrounding boards 2 on the front and rear sides, and the intercepting baffles 3 are fixedly connected to the surrounding boards 2. In some embodiments, the intercepting baffles 3 are fixedly connected to the surrounding boards 2 by bolts.

[0032] The feeding end of the screen plate 1 is fixedly connected with a plurality of spaced-apart clamping ball blocks 4, and the two adjacent clamping ball blocks 4 jointly form a second interception cavity for the steel balls.

[0033] As shown in Figure 4 some embodiments, the left and right sides of the front end of the clamping ball block 4 are provided with a flow guide slope 7, and the flow guide slope 7 can make the steel balls more easily enter the second interception cavity.

[0034] The screen plate 1 is provided with a distribution groove 5 corresponding to the interception cavity, the distribution groove 5 is in communication with the corresponding second interception cavity, and the distribution groove 5 is further provided with a screening groove 6 penetrating through the screen plate 1. The distribution groove 5 can distribute the steel balls entering the screen plate 1, so as to facilitate subsequent classification and collection of the screened steel balls. The screening groove 6 can make the steel balls smaller than the diameter of the screening groove 6 pass through the screening groove 6 and discharge from the screen plate 1, and the steel balls with larger diameters can discharge from the screen plate 1 along the distribution groove 5, thereby completing the screening operation of the steel balls.

[0035] In some embodiments, the distribution groove 5 is in a "V" shape to limit the rolling of the steel balls in the distribution groove 5.

[0036] Embodiment 2

[0037] Please refer to Figures 5-8 , the interception baffle 3 is vertically and slidably connected to the surrounding plate 2, and is used for adjusting the size of the first interception cavity. The vertically and slidably connected interception baffle 3 can change the overhanging height of the interception baffle 3 on the screen plate 1, so that the diameter of the steel balls to be screened can be adjusted as needed, and the problem of the steel balls stacked on the screen plate 1 can be avoided.

[0038] The front and rear sides of the interception baffle 3 are fixedly connected with guide rails 8, and the guide rails 8 are slidably connected in guide grooves 9 provided on the surrounding plate 2. The guide rails 8 and the guide grooves 9 can make the interception baffle 3 vertically and slidably connected above the screen plate 1, increase the moving stability of the interception baffle 3, and always make the interception baffle 3 in parallel with the screen plate 1.

[0039] The fence 2 is provided with a locking mechanism 10 for locking the guide rail 8, the locking mechanism 10 comprises a sliding cavity 101 provided on one side of the guide groove 9 and communicated with the guide groove 9, the sliding cavity 101 is slidably connected with a locking plate 102, the locking plate 102 is fixedly connected with a locking tooth 103 on a side opposite to the guide rail 8, the locking tooth 103 is adaptively arranged with a locking groove 104 arranged on the guide rail 8, through the locking tooth 103 and the locking groove 104, the locking plate 102 is horizontally slid in the sliding cavity 101, the locking tooth 103 is inserted into or separated from the locking groove 104, so that the guide rail 8 is in a fixed or movable state in the guide groove 9, the position of the guide rail 8 in the guide groove 9 can be adjusted, and the guide rail 8 can be fixedly connected in the guide groove 9.

[0040] The fence 2 is provided with a driving groove 105, the driving groove 105 is movably connected with a nut 106, the other side of the nut 106 is fixedly connected with a screw rod 107, the screw rod 107 is threadedly connected with the fence 2, the other end of the screw rod 107 extends into the sliding cavity 101 and is rotatably connected with the locking plate 102, through the screw rod 107, the nut 106 can be rotated to drive the screw rod 107 to rotate, in the process of rotating the screw rod 107, the locking plate 102 can be driven to move horizontally, so that the locking tooth 103 can be inserted into or separated from the locking groove 104.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A special steel ball screening device for CNC machine tool bearings, characterized in that: The utility model provides a steel ball screening device, including sieve plate (1), both sides of sieve plate (1) are fixedly connected with coaming (2), and the other two sides of sieve plate (1) are all provided with intercepting baffle (3), intercepting baffle (3) is suspended and is provided above sieve plate (1), and intercepting baffle (3) and sieve plate (1) jointly form the first intercepting cavity of steel ball together, A plurality of interval distribution's ball clamping blocks (4) are fixedly connected on the feed end of the sieve plate (1), and the second intercepting cavity of steel ball is formed by the cooperation of the adjacent two ball clamping blocks (4); The sieve plate (1) is provided with a distribution groove (5) corresponding to the intercepting cavity, the distribution groove (5) is communicated with the corresponding second intercepting cavity, and the distribution groove (5) is further provided with a screening groove (6) penetrating through the sieve plate (1).

2. The CNC machine tool bearing special steel ball screening device according to claim 1, characterized in that: The intercepting baffle (3) is located between the two coamings (2), and the intercepting baffle (3) is fixedly connected with the coaming (2).

3. The CNC machine tool bearing special steel ball screening device according to claim 1, characterized in that: The ball clamping block (4) is provided with a flow guide inclined surface (7) on both sides of one end.

4. The CNC machine tool bearing special steel ball screening device according to claim 1, characterized in that: The distribution groove (5) is a "V" type structure.

5. The CNC machine tool bearing special steel ball screening device according to claim 1, characterized in that: The intercepting baffle (3) is vertically and slidingly connected on the coaming (2) for adjusting the size of the first intercepting cavity.

6. The CNC machine tool bearing special steel ball screening device according to claim 5, characterized in that: Both sides of the intercepting baffle (3) are fixedly connected with guide rails (8), and the guide rails (8) are slidingly connected in guide grooves (9) provided on the coaming (2).

7. The CNC machine tool bearing special steel ball screening device according to claim 6, characterized in that: The coaming (2) is provided with a locking mechanism (10) for locking the guide rail (8), the locking mechanism (10) comprises a sliding cavity (101), the sliding cavity (101) is provided on one side of the guide groove (9) and communicated with the guide groove (9), a locking plate (102) is slidingly connected in the sliding cavity (101), the locking plate (102) is fixedly connected with locking teeth (103) on the side opposite to the guide rail (8), and the locking teeth (103) are matched with locking grooves (104) provided on the guide rail (8).

8. The CNC machine tool bearing special steel ball screening device according to claim 7, characterized in that: The coaming (2) is provided with a driving groove (105), a nut (106) is movably connected in the driving groove (105), the other side of the nut (106) is fixedly connected with a screw rod (107), the screw rod (107) is threadedly connected on the coaming (2), and the other end of the screw rod (107) extends into the sliding cavity (101) and is rotatably connected with the locking plate (102).

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