A directional feed hopper for initial grinding of bearing steel balls

Abstract

This utility model relates to the technical field of bearing steel balls, and particularly to a directional feeding hopper for the initial grinding of bearing steel balls. The hopper includes a feeding hopper with an internal directional mechanism. A column is connected to the bottom of the feeding hopper, and a connecting seat is connected to the top of the column. A steel ball passage hole is formed on the surface of the connecting seat. A channel is formed inside the column, and a discharge trough is formed at the bottom of the column. A discharge control mechanism is provided at the bottom of the discharge trough. This directional feeding hopper for the initial grinding of bearing steel balls, through the directional mechanism, uses the reciprocating oscillation of the guide plate and the arc-shaped structure of the directional trough to regulate the posture of the steel balls, ensuring that the steel balls enter the subsequent channels in a uniform direction, avoiding feeding blockage and poor conveying. The discharge control mechanism, through the opening and closing of the baffle, controls the timing and speed of steel ball discharge, preventing steel balls from accumulating and getting stuck in each channel, and avoiding damage to the steel balls or device components due to excessive compression.

Description

Technical Field

[0001] This utility model relates to the field of bearing steel ball technology, and in particular to a directional feeding hopper for the initial grinding of bearing steel balls. Background Technology

[0002] Bearing balls are the core rolling elements of bearings, typically made of materials such as high-carbon chromium bearing steel. They are spherical and serve to reduce the coefficient of friction during bearing operation, support rotating components, and transmit loads. As industrial equipment develops towards higher precision, higher speed, and longer lifespan, the requirements for the dimensional accuracy, surface quality, and mechanical properties of bearing balls are constantly increasing. This has driven continuous optimization of material selection, processing technology, and testing techniques. Because the initial grinding of bearing balls requires high consistency in their posture, if the balls enter the initial grinding equipment with a disordered posture, it will lead to uneven stress during the initial grinding, affecting dimensional accuracy and surface quality. Existing feeding methods cannot guarantee the directional entry of the balls, which can easily cause jamming or grinding deviations. Therefore, a directional feeding hopper for the initial grinding of bearing balls is particularly needed.

[0003] Chinese patent CN218753392U, published on March 28, 2023, discloses a planar bearing steel ball installation and conveying device. The steel balls enter through a feed hopper with conical surfaces around its perimeter, allowing them to gradually slide into the feed hole. The steel balls then sequentially enter the feed channel, the steel ball passage hole, and the guide hole. However, this device's feed hopper only guides the steel balls into the feed hole through its conical surfaces, lacking a structure for orienting and regulating the steel balls. The steel balls may move haphazardly into the feed hole, easily causing blockage or subsequent poor conveying. Furthermore, the lack of discharge control leads to steel ball accumulation in the channels, causing jamming, and may even damage the steel balls or device components due to excessive compression. Utility Model Content

[0004] The purpose of this invention is to provide a directional feed hopper for the initial grinding of bearing steel balls, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a directional feeding hopper for the initial grinding of bearing steel balls, comprising a feeding hopper, an internal directional mechanism, a column connected to the bottom of the feeding hopper, a connecting seat connected to the top of the internal part of the column, a steel ball through hole on the surface of the connecting seat, a channel inside the column, a discharge trough at the bottom of the column, and a discharge control mechanism at the bottom of the discharge trough;

[0006] The orientation mechanism includes a housing connected to the upper outer side of the feed hopper. A motor is connected to the inner side of the housing, and a drive wheel is connected to the output end of the motor. A half gear is meshed above the drive wheel, and a shaft is connected to the axis of the half gear. A bushing is connected to the surface of the shaft, and a guide plate is connected to the inner end of the bushing. The guide plate is rotatably connected to the inner side of the feed hopper, and an orientation groove is formed on the surface of the guide plate.

[0007] Preferably, the drive wheel and the half gear have the same tooth module, and the diameter of the drive wheel is smaller than the diameter of the half gear.

[0008] Preferably, the shaft and the half gear are keyed together, and the two ends of the shaft are rotatably connected to the inner wall of the housing through bearing seats.

[0009] Preferably, the directional grooves are linearly and uniformly distributed on the surface of the guide plate, and the cross-section of the directional grooves is arc-shaped, with the arc matching the outer arc of the bearing steel ball to be processed.

[0010] Preferably, the steel ball through holes are provided in multiple identical sets at equal intervals on the surface of the connector, and the position of each set of steel ball through holes corresponds to the position of each set of channels.

[0011] Preferably, the discharge control mechanism includes a fixing member, which is fixedly connected to the bottom outer side of the feed hopper. A hydraulic cylinder is connected to the surface of the fixing member, a hydraulic rod is connected to the output end of the hydraulic cylinder, a connecting member is connected to the bottom of the hydraulic rod, a connecting rod is connected to the surface of the connecting member, a baffle is fixedly connected to the other end of the connecting rod, an auxiliary member is fixedly connected to the surface of the baffle, and the auxiliary member is rotatably connected to the outside of the discharge chute.

[0012] Preferably, the auxiliary component and the baffle are an integral structure, and a rotating shaft is inserted inside the auxiliary component, with both ends of the rotating shaft rotatably connected to the outer wall of the discharge trough.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This directional feeding hopper for the initial grinding of bearing steel balls uses a directional mechanism to regulate the posture of the steel balls by means of the reciprocating swing of the guide plate and the arc structure of the directional groove, ensuring that the steel balls enter the subsequent channel in a uniform direction, thus avoiding feeding blockage and poor conveying.

[0015] 2. This directional feeding hopper for the initial grinding of bearing steel balls, through the setting of the discharge control mechanism, controls the timing and speed of steel ball discharge by means of the opening and closing of the baffle, to prevent steel balls from accumulating and getting stuck in each channel, and to avoid damage to steel balls or device components due to excessive compression. Attached Figure Description

[0016] Figure 1This is a side view of the structure of the present utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the feed hopper of this utility model;

[0018] Figure 3 This is a schematic diagram of the orientation mechanism structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the material discharge control mechanism of this utility model.

[0020] In the diagram: 1. Feed hopper; 2. Orientation mechanism; 201. Housing; 202. Motor; 203. Drive wheel; 204. Half gear; 205. Shaft; 206. Bushing; 207. Guide plate; 208. Orientation groove; 3. Column; 4. Connecting seat; 5. Steel ball through hole; 6. Channel; 7. Discharge chute; 8. Discharge control mechanism; 801. Fixing component; 802. Hydraulic cylinder; 803. Hydraulic rod; 804. Connecting component; 805. Connecting rod; 806. Baffle; 807. Auxiliary component. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a directional feeding hopper for the initial grinding of bearing steel balls, including a feeding hopper 1, a directional mechanism 2 is provided inside the feeding hopper 1, a column 3 is connected to the bottom of the feeding hopper 1, a connecting seat 4 is connected to the top of the inside of the column 3, a steel ball through hole 5 is opened on the surface of the connecting seat 4, a channel 6 is opened inside the column 3, a discharge trough 7 is provided at the bottom of the column 3, and a discharge control mechanism 8 is provided at the bottom of the discharge trough 7.

[0023] The orientation mechanism 2 includes a housing 201, which is connected to the upper outer side of the feed hopper 1. A motor 202 is connected to the inner side of the housing 201. A drive wheel 203 is connected to the output end of the motor 202. A half gear 204 is meshed above the drive wheel 203. A shaft 205 is connected to the axis of the half gear 204. A bushing 206 is connected to the surface of the shaft 205. A guide plate 207 is connected to the inner end of the bushing 206. The guide plate 207 is rotatably connected to the inner side of the feed hopper 1. An orientation groove 208 is formed on the surface of the guide plate 207. With the orientation mechanism 2, when the bearing steel ball enters the feed hopper 1, the motor 202 starts, and its output end drives the drive wheel 203 to rotate. The drive wheel 203 meshes with the half gear 204, causing the half gear 204 to reciprocate around the shaft 205. The shaft 205 reciprocates accordingly. The half-gear 204 rotates synchronously, driving the guide plate 207 to oscillate back and forth inside the feed hopper 1 via the bushing 206 on its surface. During the oscillation of the guide plate 207, the directional groove 208 on its surface shakes accordingly. Steel balls that have not entered the directional groove 208 gradually fall into the appropriate directional groove 208 under the push of the guide plate 207 and their own gravity. The arc-shaped structure of the directional groove 208 regulates the posture of the steel balls, ensuring that the steel balls are arranged in a uniform direction. As the guide plate 207 continues to oscillate, the steel balls in the directional groove 208 are gradually conveyed to the bottom of the feed hopper 1, preparing them for subsequent entry into the discharge hopper 7 through the steel ball through-hole 5 and channel 6. The periodic operation of the motor 202 keeps the guide plate 207 at a stable oscillation frequency, preventing steel balls from accumulating and clogging in the directional groove 208, and ensuring the continuity and stability of directional conveying.

[0024] Furthermore, the drive wheel 203 and the half gear 204 have the same tooth module, and the diameter of the drive wheel 203 is smaller than the diameter of the half gear 204. Through the setting of the drive wheel 203 and the half gear 204, the teeth with the same module ensure smooth meshing transmission. The smaller diameter of the drive wheel 203 reduces the rotation speed of the half gear 204. Combined with the partial tooth structure of the half gear 204, the guide plate 207 obtains a stable reciprocating oscillation rhythm, avoiding steel ball splashing or posture disorder caused by excessive oscillation.

[0025] Furthermore, the shaft 205 and the half gear 204 are connected by a key, and both ends of the shaft 205 are rotatably connected to the inner wall of the housing 201 through bearing seats. The key connection ensures that the half gear 204 and the shaft 205 rotate synchronously, and the bearing seats support the shaft 205 to make the rotation smoother, reduce frictional resistance, and ensure that the power of the half gear 204 can be efficiently transmitted to the guide plate 207, thereby improving the stability and durability of the swing of the guide plate 207.

[0026] Furthermore, the directional grooves 208 are linearly and uniformly distributed on the surface of the guide plate 207, and the cross-section of the directional grooves 208 is arc-shaped, the curvature of which matches the outer curvature of the bearing steel ball to be processed. Through the setting of the directional grooves 208, the linearly and uniformly distributed structure can accommodate more steel balls. The arc-shaped cross-section matches the outer curvature of the steel ball, which can accurately limit the steel ball and force the steel ball to be embedded in the groove in a uniform posture, effectively preventing the steel ball from shifting or flipping during transportation and ensuring the orientation effect.

[0027] Furthermore, multiple sets of steel ball through holes 5 are equally spaced on the surface of the connecting seat 4, and the position of each set of steel ball through holes 5 corresponds to the position of each set of channels 6. Through the setting of steel ball through holes 5 and channels 6, multiple sets of equally spaced steel ball through holes 5 and corresponding channels 6 form an orderly conveying path, so that the oriented steel balls can enter the channels 6 one by one, avoiding the accumulation and blockage of steel balls at the bottom of the feed hopper 1, and ensuring that the steel balls are continuously and smoothly conveyed to the discharge trough 7.

[0028] Furthermore, the discharge control mechanism 8 includes a fixing member 801, which is fixedly connected to the bottom outer side of the feed hopper 1. A hydraulic cylinder 802 is connected to the surface of the fixing member 801. A hydraulic rod 803 is connected to the output end of the hydraulic cylinder 802. A connecting member 804 is connected to the bottom of the hydraulic rod 803. A connecting rod 805 is connected to the surface of the connecting member 804. A baffle 806 is fixedly connected to the other end of the connecting rod 805. An auxiliary member 807 is fixedly connected to the surface of the baffle 806. The auxiliary member 807 is rotatably connected to the outside of the discharge trough 7. Through the setting of the discharge control mechanism 8, when it is necessary to control the discharge of steel balls from the discharge trough 7, the hydraulic cylinder 802 is activated, and its output end drives the hydraulic rod 803 to extend and retract. The hydraulic rod 803 drives the connecting rod 805 to move through the bottom connecting member 804. When the hydraulic rod 803 extends, the connecting rod 805 pulls or pushes the baffle 806, causing the baffle 806 to rotate around the rotatable connection between the auxiliary component 807 and the outer side of the discharge chute 7. When the hydraulic rod 803 extends, the baffle 806 is pushed open, the outlet of the discharge chute 7 opens, and the steel balls are discharged from the discharge chute 7 under the action of gravity. When the hydraulic rod 803 retracts, the baffle 806 returns to its original position, blocking the outlet of the discharge chute 7 and stopping the discharge of steel balls. The fixing component 801 provides a stable installation support for the hydraulic cylinder 802, ensuring that the hydraulic cylinder 802 will not shake during operation. The auxiliary component 807 ensures that the baffle 806 rotates smoothly. By controlling the extension and retraction of the hydraulic cylinder 802, the opening and closing degree of the baffle 806 can be precisely adjusted, thereby controlling the discharge speed and flow rate of the steel balls and adapting to the feeding requirements of the initial grinding process of bearing steel balls.

[0029] Furthermore, the auxiliary component 807 and the baffle 806 are an integral structure. A rotating shaft is installed inside the auxiliary component 807, and both ends of the rotating shaft are rotatably connected to the outer wall of the discharge trough 7. Through the setting of the auxiliary component 807, the integral structure makes the auxiliary component 807 and the baffle 806 firmly connected and can move synchronously and stably, avoiding the connection between the two from being loose and affecting the opening and closing accuracy of the baffle 806. The rotating shaft installed inside is rotatably connected to the outer wall of the discharge trough 7, providing a stable fulcrum for the rotation of the baffle 806, reducing the frictional resistance during the rotation process, ensuring that the baffle 806 rotates smoothly and the trajectory is stable, thereby ensuring precise control of the opening and closing degree of the discharge trough 7 outlet and improving the reliability of steel ball discharge adjustment.

[0030] Working principle: After the bearing steel balls to be initially processed are poured into the feed hopper 1, the orientation mechanism 2 starts to work. The motor 202 drives the drive wheel 203 to rotate. Through the meshing transmission with the half gear 204, the shaft 205 drives the guide plate 207 to swing back and forth inside the feed hopper 1. The orientation groove 208 on the surface of the guide plate 207 shakes accordingly. The steel balls enter the orientation groove 208 under the push of the guide plate 207 and the action of their own gravity. The arc-shaped groove straightens the posture of the steel balls, ensuring that they are arranged in a uniform direction. With the swing of the guide plate 207, they are conveyed to the bottom of the feed hopper 1. The oriented steel balls fall into the surface of the connecting seat 4 and enter the channel 6 inside the column 3 one by one through the steel ball through holes 5 that are evenly distributed and correspond to the positions of the channel 6. They slide down the channel 6 to the discharge trough 7 at the bottom. When it is necessary to transport the steel balls to the initial processing equipment... When the discharge control mechanism 8 is activated, the hydraulic cylinder 802 drives the hydraulic rod 803 to extend and retract. Through the connecting part 804 and the connecting rod 805, the baffle 806 rotates around the rotating shaft in the auxiliary part 807 as the fulcrum. When the hydraulic rod 803 extends, the baffle 806 opens the outlet of the discharge chute 7, and the steel balls are discharged under gravity. When the hydraulic rod 803 retracts, the baffle 806 resets and closes the outlet, stopping the discharge. By adjusting the extension and retraction of the hydraulic cylinder 802, the discharge speed and flow rate of the steel balls can be precisely controlled to match the feeding rhythm of the preliminary grinding process. Throughout the process, all components work together to achieve the directional and orderly conveying and precise discharge control of the bearing steel balls, providing a stable feeding guarantee for the preliminary grinding process of bearing steel balls, and effectively improving the efficiency and quality of the preliminary grinding. This completes the use process of a directional feeding hopper for the preliminary grinding of bearing steel balls.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A directional feed hopper for bearing steel ball primary grinding, comprising a feed hopper (1), characterized in that: The feed hopper (1) is provided with an orientation mechanism (2), the bottom of the feed hopper (1) is connected to a column (3), the top of the column (3) is connected to a connecting seat (4), the surface of the connecting seat (4) is provided with a steel ball through hole (5), the inside of the column (3) is provided with a channel (6), the bottom of the column (3) is provided with a discharge trough (7), and the bottom of the discharge trough (7) is provided with a discharge control mechanism (8). The orientation mechanism (2) includes a housing (201), which is connected to the upper outer side of the feed hopper (1). A motor (202) is connected to the inner side of the housing (201). The output end of the motor (202) is connected to a drive wheel (203). A half gear (204) is meshed above the drive wheel (203). A shaft (205) is connected to the shaft of the half gear (204). A bushing (206) is connected to the surface of the shaft (205). A guide plate (207) is connected to the inner end of the bushing (206). The guide plate (207) is rotatably connected to the inner side of the feed hopper (1). An orientation groove (208) is opened on the surface of the guide plate (207).

2. A directional feed hopper for bearing steel ball primary research according to claim 1, characterized in that: The drive wheel (203) and the half gear (204) have the same tooth module, and the diameter of the drive wheel (203) is smaller than the diameter of the half gear (204).

3. A directional feed hopper for bearing steel ball primary research according to claim 1, characterized in that: The shaft (205) is keyed to the half gear (204), and both ends of the shaft (205) are rotatably connected to the inner wall of the housing (201) through bearing seats.

4. A directional feed hopper for bearing steel ball primary research according to claim 1, characterized in that: The directional groove (208) is linearly and uniformly distributed on the surface of the guide plate (207), and the cross section of the directional groove (208) is arc-shaped, the curvature of which is adapted to the outer curvature of the bearing steel ball to be processed.

5. A directional feed hopper for bearing steel ball primary research according to claim 1, characterized in that: The steel ball through holes (5) are arranged in multiple identical sets at equal intervals on the surface of the connecting seat (4), and the position of each set of steel ball through holes (5) corresponds to the position of each set of channels (6).

6. A directional feed hopper for bearing steel ball primary research according to claim 1, characterized in that: The discharge control mechanism (8) includes a fixing member (801), which is fixedly connected to the bottom outer side of the feed hopper (1). A hydraulic cylinder (802) is connected to the surface of the fixing member (801). A hydraulic rod (803) is connected to the output end of the hydraulic cylinder (802). A connecting member (804) is connected to the bottom of the hydraulic rod (803). A connecting rod (805) is connected to the surface of the connecting member (804). A baffle (806) is fixedly connected to the other end of the connecting rod (805). An auxiliary member (807) is fixedly connected to the surface of the baffle (806). The auxiliary member (807) is rotatably connected to the outside of the discharge trough (7).

7. A directional feed hopper for bearing steel ball primary research according to claim 6, characterized in that: The auxiliary component (807) and the baffle (806) are an integral structure. The auxiliary component (807) has a rotating shaft inside, and the two ends of the rotating shaft are rotatably connected to the outer wall of the discharge trough (7).

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