CN212856666U

CN212856666U - Steel ball sorting mechanism for high-precision sensor

Info

Publication number: CN212856666U
Application number: CN202021014734.2U
Authority: CN
Inventors: 聂新猛
Original assignee: Suzhou Hansdengding Automation Equipment Technology Co ltd
Current assignee: Suzhou Hansdengding Automation Equipment Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-02
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a steel ball sorting mechanism for a high-precision sensor, which comprises a frame, and a primary sorting mechanism and a secondary sorting mechanism which are arranged on the frame and used for sorting steel balls, wherein the primary sorting mechanism and the secondary sorting mechanism comprise a base and a hopper-shaped storage bin arranged at the upper end of the base; a jacking cylinder and a hollow blanking rod capable of axially lifting are arranged below the storage bin, and the top end of the blanking rod penetrates through the bottom surface of the storage bin and is driven by the jacking cylinder; the latter comprises a fixed box, wherein a hollow ball passing rod is fixed in the fixed box; a connecting pipe is communicated between the inlet of the ball passing rod and the outlet of the blanking rod; the bottom of the ball passing rod is provided with a passing opening for accommodating a steel ball with a diameter smaller than the standard diameter to fall. The utility model has the advantages that: the mechanism jacks the steel balls through the discharging rod, the jacked steel balls are separated from other steel balls, the steel balls larger than the standard size are retained in the material bin, and the steel balls smaller than the standard size are screened into the material collecting box through the opening in the rod, so that the accuracy and sorting speed of the sorted steel balls are guaranteed.

Description

Steel ball sorting mechanism for high-precision sensor

Technical Field

The utility model belongs to the technical field of the sensor processing, especially, relate to a steel ball letter sorting mechanism for high accuracy sensor.

Background

The steel ball is a general name of the steel ball, the steel section and the special-shaped grinding body. The cast steel ball is easy to realize the expansion advantage of low-investment large-scale production in a simple, flexible and reliable production mode, and especially when experts and engineers face to the steel-making furnace and apply various advanced processes and alloy component designs, the imagination is exerted to the utmost extent, and a new, novel and advanced variety is created to meet the achievement feeling brought by the competitive requirements. The high cost performance and the continuous development potential of the cast ball certainly make the cast ball become an important part, and especially in precision industries such as electromagnetic valve products, the steel ball plays a great role.

The precision of manufacturing the steel balls is increasingly close to the standardization in the future, but the precision of the steel balls is not enough for products with high precision, so the steel balls need to be screened and classified according to different radiuses before being used, and the steel balls are suitable for different use places. Most of the existing steel ball screening is manual operation, and has the defects of high labor intensity, low working efficiency and low screening separation rate. Although part of steel balls are screened by a machine, the screened steel balls still have errors due to small size difference of the steel balls, so that some precision products cannot be used.

Therefore, designing a mechanism capable of realizing high-precision sorting of the steel balls is an important technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel ball letter sorting mechanism for high accuracy sensor in order to solve the above-mentioned problem that exists among the prior art.

The purpose of the utility model is realized through the following technical scheme:

the steel ball sorting mechanism for the high-precision sensor comprises a rack, and a primary sorting mechanism and a secondary sorting mechanism which are arranged on the rack and used for sorting steel balls;

the primary sorting mechanism comprises a base and a hopper-shaped bin arranged at the upper end of the base; a jacking cylinder and a hollow blanking rod capable of axially lifting are arranged below the storage bin, and the top end of the blanking rod penetrates through the bottom surface of the storage bin and is driven by the jacking cylinder;

the second-stage sorting mechanism comprises a fixed box, wherein a hollow ball passing rod is fixed in the fixed box; the inlet of the ball passing rod is communicated with the outlet of the blanking rod through a connecting pipe; the bottom of the ball passing rod is provided with a passing opening for accommodating a steel ball with a standard diameter smaller than the steel ball to fall.

Preferably, the jacking cylinder is arranged on one side of the blanking rod and fixed on the base; and a jacking plate is fixedly arranged on a cylinder shaft of the jacking cylinder, the blanking rod is fixed with the jacking plate, and the blanking rod is parallel to the cylinder shaft of the jacking cylinder.

Preferably, the diameter of the inner hole of the blanking rod is equal to the standard diameter of the steel ball.

Preferably, the lower limit of the moving position of the blanking rod is the lowest surface of the bin, and the upper limit is the highest material surface exceeding the steel ball positioned in the bin.

Preferably, the first sensor is arranged at the bottom of the storage bin.

Preferably, the cue stick is inclined with a slope in the range of 7 ° to 60 °, and the entrance of the cue stick is higher than the exit thereof.

Preferably, the diameter of the ball passing rod is equivalent to the diameter of the inner hole.

Preferably, the through opening is a long groove, and the width of the through opening is equal to the standard diameter of the steel ball.

Preferably, a second sensor is arranged at the outlet of the ball passing bar.

Preferably, the fixed box is divided into a material passing area and a material collecting area, the slope of the top surface of the material passing area is consistent with that of the material passing rod, and the material passing rod is arranged in the material passing area; the collecting area is internally provided with a collecting box for collecting the steel balls with the standard diameter smaller than that of the steel balls, and the collecting box is connected with the fixed box through threads.

The utility model discloses technical scheme's advantage mainly embodies:

the steel balls are jacked up through the blanking rod and are separated from other steel balls, the steel balls larger than the standard size are retained in the storage bin, and the steel balls smaller than the standard size are screened into the aggregate box through the opening in the ball rod, so that the accuracy and the sorting speed of the sorted steel balls are guaranteed;

the steel balls are placed in a hopper-shaped storage bin, and at least one steel ball is ensured to be arranged at the top end of the blanking rod so that the blanking rod can screen the steel balls;

the ball passing rod is obliquely arranged in the fixed box and the opening structure of the ball passing rod ensures that the steel balls meeting the standard can smoothly pass through the ball passing rod and enter the press-fitting mechanism to wait for press-fitting.

Drawings

FIG. 1: the front view of the preferred embodiment of the present invention;

FIG. 2: the utility model discloses the side view of the first-level sorting mechanism of the preferred embodiment;

FIG. 3: the utility model discloses the sectional view of the first-level sorting mechanism of the preferred embodiment;

FIG. 4: the utility model discloses second grade letter sorting mechanism's of preferred embodiment local cut-away view.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.

In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 3, the utility model discloses a steel ball sorting mechanism for high accuracy sensor, including a frame 10, and set up be used for in the frame 10 to carry out the one-level letter sorting mechanism and the second grade letter sorting mechanism of letter sorting to the steel ball (not shown in the figure), communicate through a connecting pipe 406 between one-level letter sorting mechanism and the second grade letter sorting mechanism, connecting pipe 406 can adopt the pipeline of rubber or metal material to make, just the inner wall diameter of connecting pipe 406 with the standard diameter of steel ball is equivalent.

As shown in fig. 2 to 3, the primary sorting mechanism includes a base 1 and a hopper-shaped bin 2 disposed at an upper end of the base 1. The feed bin 2 can also be designed into a U shape, the bottom of the feed bin 2 is not horizontal, and the design has the advantage that the steel ball placed in the feed bin can be guaranteed, and can roll down to the bottom of the feed bin 2 under the action of the gravity of the steel ball. The bottom of the stock bin 2 is provided with a first sensor 21, and the labor sensor 21 is used for sensing whether steel balls to be sorted exist in the stock bin 2 or not and timely supplementing the steel balls into the stock bin 2.

The diameters of the steel balls are different, the steel balls are inevitably stuck with oil stains in the machining process, the oil stains have certain viscosity, adjacent steel balls are bonded with each other, part of the steel balls also have certain magnetism, and the adjacent steel balls are bonded together through the viscosity of the magnetism and the oil stains.

The lower part of the storage bin 2 is provided with a jacking cylinder 3, and the jacking cylinder 3 is arranged on one side of the blanking rod 4 and fixed on the base 1. The fixing mode can be any applicable fixing mode such as bolt and welding, and the fixing mode is not the key point of the utility model, so the details are not repeated.

As shown in fig. 3, a hollow blanking rod 4 capable of lifting axially is further arranged below the bin 2, the hollow part of the blanking rod 4 is an inner hole 40, and the diameter of the inner hole 40 is equal to the standard of the steel ball, so that the condition that two adjacent steel balls pass through the inner hole 40 at the same time, that is, only one steel ball with the diameter equal to or smaller than the standard diameter can pass through at a time, cannot occur through the screening of the primary sorting mechanism.

The top end of the blanking rod 4 penetrates through the bottom surface of the storage bin 2 and is driven by the jacking cylinder 3; the blanking rod 4 is connected with the jacking cylinder 3 through a jacking plate 304, specifically, the jacking plate 304 is fixedly arranged on a cylinder shaft of the jacking cylinder 3, the blanking rod 4 is fixed with the jacking plate 304, and the blanking rod 4 is parallel to the cylinder shaft of the jacking cylinder 3.

The lower limit of the moving position of the blanking rod 4 is the lowest surface of the stock bin 2 under the driving of the jacking cylinder 3, so that all steel balls in the stock bin 2 can be jacked up by the blanking rod 4 at least once; the upper limit of the displacement of the blanking rod 4 is higher than the highest material level of the steel balls in the bin 2, that is, the top end of the blanking rod 4 is ensured to have at least one steel ball, and the supporting force of the blanking rod 4 to the steel ball and the gravity of the steel ball to the blanking rod 4 in the displacement process are larger than the friction force of the adjacent steel ball to the steel ball and the adhesive force between the steel balls, so that the steel ball is separated from other steel balls in the bin, and the steel ball is sorted.

The first-stage sorting is to compare the diameter of the jacked steel ball with the diameter of the inner hole 40, retain the steel ball larger than the diameter of the inner hole 40 in the bin 2, and output the rest of the steel balls to the second-stage sorting mechanism through the inner hole 40.

As shown in fig. 1, the second-stage sorting mechanism includes a fixed box 5, in which a hollow ball-passing rod 6 is fixed and the ball-passing rod 6 is inclined, the slope is in the range of 7 ° to 60 °, and the inlet of the ball-passing rod 6 is higher than the outlet thereof. The inlet of the ball passing bar 6 is communicated with the outlet of the blanking bar 4 through the connecting pipe 406, that is, the steel ball enters the connecting pipe 406 after passing through the outlet of the blanking bar 4, and finally enters the ball passing bar 6. The diameter of the shaft 6 is equivalent to the diameter of the inner hole 40.

As shown in fig. 4, the bottom of the ball passing rod 6 is opened with a through opening 60 for receiving a steel ball smaller than the standard diameter of the steel ball to drop. The through opening 60 is a long groove, and the width of the through opening 60 is equal to the standard diameter of the steel ball. The steel balls are sorted in the second stage immediately after entering the ball passing bar 6, and the steel balls with the diameter smaller than the standard diameter are sorted out through the through opening 60 and fall into the fixed box 5.

As shown in fig. 1, the fixing box 5 is divided into a material passing area 51 and a material collecting area 52, the slope of the top surface of the material passing area 51 is consistent with the slope of the material passing rod 6, and the material passing rod 6 is arranged in the material passing area 51. Be provided with one in the district 52 that gathers materials and be used for collecting steel ball collecting box 53 that is less than steel ball standard diameter, just collecting box 53 with adopt threaded connection between the fixed box 5, certainly collecting box 53 with can also adopt joint mode etc. between the fixed box 5, its connected mode is not only, does not do the repeated description here the utility model discloses in preferably adopt threaded connection to realize, promptly collecting box 53 can dismantle to take out the less steel ball of diameter through second grade letter sorting screening department.

As shown in fig. 1 to 2, a second sensor 8 is disposed at an outlet of the ball passing bar 6, the second sensor 8 may be a laser sensor, and is configured to sense whether a steel ball exists in the ball passing bar 6, transmit a signal sensed by the second sensor 8 to the jacking cylinder 3, and drive the blanking bar 4 to ascend and descend by the jacking cylinder 3, so as to screen the steel balls in the bin 2.

The following brief description is the working process of the utility model:

s1: when the first sensor 21 senses that a steel ball exists in the bin 2 and the second sensor 8 does not sense that the steel ball exists in the ball arm 6, the second sensor 8 sends a material-free signal to the jacking cylinder 3, and the jacking cylinder 3 is started to drive the discharging rod 4 to move upwards;

s2: the blanking rod 4 ejects the steel balls out of the highest material surface of the steel balls, the steel balls with the diameter not larger than that of an inner hole 40 of the blanking rod 4 are sorted out, and the steel balls sequentially pass through the inner hole 40 and a connecting pipe 406 to reach the ball passing rod 6;

s3: the steel balls with the diameter smaller than the standard diameter fall into the aggregate box 53 in the fixed box 5 through the through holes 60 on the ball passing rod 6; a steel ball with the diameter equal to the standard diameter smoothly passes through the outlet of the ball passing rod 6;

s4: when the steel ball reaches the ball passing rod 6, the second sensor 8 sends a material signal to the jacking cylinder 3, and the jacking cylinder 3 drives the blanking rod 4 to descend to the bottom surface of the storage bin 2;

s5: and repeating the steps S1 to S4 until all the steel balls in the bin 2 are sorted, and taking out the steel balls which are larger than the standard diameter and are retained in the bin 2 and the steel balls which fall into the collecting box 53 and are smaller than the standard diameter.

The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.

Claims

1. The steel ball sorting mechanism for the high-precision sensor comprises a rack (10), and a primary sorting mechanism and a secondary sorting mechanism which are arranged on the rack (10) and used for sorting steel balls; the method is characterized in that:

the primary sorting mechanism comprises a base (1) and a hopper-shaped storage bin (2) arranged at the upper end of the base (1); a jacking cylinder (3) and a hollow blanking rod (4) capable of axially lifting are arranged below the stock bin (2), and the top end of the blanking rod (4) penetrates through the bottom surface of the stock bin (2) and is driven by the jacking cylinder (3);

the second-stage sorting mechanism comprises a fixed box (5) in which a hollow ball passing rod (6) is fixed; the inlet of the ball passing rod (6) is communicated with the outlet of the blanking rod (4) through a connecting pipe (406); the bottom of the ball passing rod (6) is provided with a passing opening (60) for accommodating a steel ball with a standard diameter smaller than that of the steel ball to fall.

2. The steel ball sorting mechanism for the high-precision sensor according to claim 1, characterized in that: the jacking cylinder (3) is arranged on one side of the blanking rod (4) and is fixed on the base (1); a jacking plate (304) is fixedly arranged on a cylinder shaft of the jacking cylinder (3), the blanking rod (4) is fixed with the jacking plate (304), and the blanking rod (4) is parallel to the cylinder shaft of the jacking cylinder (3).

3. The steel ball sorting mechanism for the high-precision sensor according to claim 1, characterized in that: the diameter of an inner hole (40) of the blanking rod (4) is equal to the standard diameter of the steel ball.

4. The steel ball sorting mechanism for the high-precision sensor according to claim 3, wherein: the lower limit of the moving position of the blanking rod (4) is the lowest surface of the stock bin (2), and the upper limit is the highest material surface exceeding the steel ball in the stock bin (2).

5. The steel ball sorting mechanism for the high-precision sensor according to claim 4, wherein: the bottom of the storage bin (2) is provided with a first sensor (21).

6. The steel ball sorting mechanism for the high-precision sensor according to claim 5, wherein: the ball passing bar (6) is inclined, the slope is in the range of 7-60 degrees, and the inlet of the ball passing bar (6) is higher than the outlet of the ball passing bar.

7. The steel ball sorting mechanism for the high-precision sensor according to claim 6, wherein: the diameter of the ball passing rod (6) is equivalent to that of the inner hole (40).

8. The steel ball sorting mechanism for the high-precision sensor according to claim 7, wherein: the through opening (60) is a long groove, and the width of the through opening (60) is equal to the standard diameter of the steel ball.

9. The steel ball sorting mechanism for the high-precision sensor according to claim 8, wherein: and a second sensor (8) is arranged at the outlet of the ball passing rod (6).

10. The steel ball sorting mechanism for the high-precision sensor according to claim 1, characterized in that: the fixed box (5) is divided into a material passing area (51) and a material collecting area (52), the slope of the top surface of the material passing area (51) is consistent with that of the material passing rod (6), and the material passing rod (6) is arranged in the material passing area (51); a material collecting box (53) used for collecting the steel balls with the diameter smaller than the standard diameter of the steel balls is arranged in the material collecting area (52), and the material collecting box (53) is in threaded connection with the fixed box (5).