Cast steel ball hardness detection device
By using a transfer trolley and a screw conveyor in the casting steel ball testing device, the problem of inconvenient material feeding was solved, and efficient, stable transmission and labor-saving feeding of casting steel balls were achieved.
Patent Information
- Application Number
- CN202520363552.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing casting steel ball hardness testing devices suffer from poor material handling during loading, especially when the hopper is high, leading to inconvenient loading and low efficiency.
A transfer trolley equipped with a spiral conveyor is used. By setting a U-shaped notch at one end of the inspection table, the spiral conveyor transports steel balls one by one to the discharge chute on the inspection table. Combined with the cooperation of rubber plates and limit baffles, stable transmission is ensured.
It improves the feeding efficiency and stability of cast steel balls, ensuring that the steel balls do not shake violently or get stuck during the transmission process, and realizes a more labor-saving feeding operation.
Smart Images

Figure CN223856872U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hardness detection equipment, specifically for a cast steel ball hardness detection device. BACKGROUND
[0002] Steel ball is a kind of spherical object usually made of metal (such as steel). Steel ball can be used for various different applications, cast steel ball is usually needed to detect the hardness of steel ball after production forming to ensure the quality qualification rate of steel ball production.
[0003] The invention patent with the publication number CN117782792B proposes a cast steel ball hardness detection platform and its use method, which comprises a detection table, further comprising: a U-shaped frame, the U-shaped frame is arranged on the top of the detection table;Intermittent feeding assembly, intermittent feeding assembly is arranged on the top of the detection table, intermittent feeding assembly includes hopper, discharge channel and U-shaped baffle frame fixedly arranged on the detection table, and cross block rotatingly arranged in the discharge channel;Supporting and discharging assembly, supporting and discharging assembly is arranged on the bottom of the detection table and the side surface of the U-shaped frame, and supporting and discharging assembly is used for discharging the forged steel ball after detection. The present application can automatically make the supporting plate move away and move close when the test ring moves up after the steel ball hardness detection in the test ring is finished, so that the discharged steel ball can be discharged, and the intermittent discharging assembly can make the steel balls in the hopper discharge one by one, and further can complete the continuous batch detection of steel balls, and improve the efficiency of steel ball detection.
[0004] However, the above-mentioned prior art still has the following problems in use: the above-mentioned detection device mainly includes feeding, pressure test and discharging, wherein a large number of cast steel balls need to be put into the hopper during feeding, and then the intermittent feeding assembly is used to transport the steel balls one by one into the discharge chute, but since the number of cast steel balls is large and the height of the hopper is high, there is a defect that the transfer convenience is poor when a large number of steel balls are transferred into the hopper.
[0005] Therefore, the utility model provides a cast steel ball hardness detection device. Utility model content
[0006] In view of the defects of the prior art, the utility model aims to provide a cast steel ball hardness detection device to solve the problems in the background art, which has the advantages of faster and more efficient feeding of cast steel ball detection, and more labor-saving feeding operation.
[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: a cast steel ball hardness detection device, including detection platform, the detection platform is fixedly connected with positioning platform, the top of positioning platform is provided with discharge chute and U type fender located in the outside of discharge chute, further including transfer trolley, the transfer trolley includes carriage and screw conveyor, the screw conveyor is inclined distribution and its bottom end is provided with and the feed pipe of carriage bottom connection, the top of screw conveyor is provided with the discharge pipe, one end of positioning platform is provided with the U type gap of cooperation with screw conveyor, the bottom of U type gap extends to the opening of U type fender.
[0008] Further, the screw conveyor includes a transmission cylinder and a transmission screw located in the transmission cylinder, the cross section of the transmission cylinder is U-shaped, the bottom of the feed pipe is fixedly connected with the upper end surface of the transmission cylinder, the lower part of the transmission cylinder is provided with a discharge port close to the top, and the top of the discharge pipe is welded with the lower arc wall of the transmission cylinder and opposite to the discharge port.
[0009] Further, the top of the transmission cylinder is welded with a ring support, the inner ring of the ring support is opposite to the discharge port, the transmission screw includes a transmission shaft, a spiral blade around the transmission shaft outside, one end of the transmission shaft is rotationally connected with the bottom end of the transmission shaft, and the other end is rotationally connected with the outer peripheral wall of the ring support.
[0010] Further, the other end of the transmission shaft is welded with a short shaft, and the outer peripheral wall of the ring support is welded with a positioning sleeve connected with the short shaft through a bearing.
[0011] Further, the bottom of the carriage is a taper sleeve structure, and the small end is welded with the top of the feed pipe.
[0012] Further, one side of the carriage is bonded with rubber plates located on both sides of the screw conveyor, and one side of the positioning platform is welded with limiting baffle plates located on both sides of the U-shaped gap, which are used in cooperation with the rubber plates.
[0013] Further, the rubber plate is embedded with a magnet magnetically attracted to the limiting baffle plate.
[0014] The utility model has the advantages as follows:
[0015] 1. In the utility model, the U-shaped gap is formed in one end of the detection table, and the movable carriage is installed with the screw conveyor for conveying steel balls, when the hardness of the steel balls needs to be detected, the screw conveyor is pushed into the U-shaped gap, and then the steel balls are conveyed to the discharge chute on the detection table one by one by starting the screw conveyor, after the steel balls in the carriage are detected, the carriage is pushed and other carriages are switched to continue the hardness detection. This arrangement greatly improves the efficiency of steel ball supply and feeding.
[0016] 2. In this utility model, the cross-section of the transmission cylinder on the spiral transmitter is U-shaped. This type of transmission box prevents the steel balls inside from shaking violently or getting stuck during transmission, making the transmission of the steel balls more stable and reliable. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the testing platform and the transfer trolley before docking of the casting steel ball hardness testing device of this utility model;
[0018] Figure 2 for Figure 1 The main view;
[0019] Figure 3 for Figure 1 A magnified diagram of the central "a".
[0020] In the diagram: 1. Detection platform; 11. Positioning platform; 111. Discharge chute; 112. U-shaped enclosure; 113. U-shaped notch; 114. Limiting baffle; 2. Transfer trolley; 21. Carriage; 22. Screw conveyor; 221. Conveyor cylinder; 2211. Discharge port; 2212. Ring support; 22121. Positioning sleeve; 222. Conveyor screw; 2221. Drive shaft; 22211. Short shaft; 2222. Screw blade; 3. Feed pipe; 4. Discharge pipe; 5. Rubber plate; 6. Magnet. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] Please see Figures 1 to 3 This utility model provides a technical solution: a casting steel ball hardness testing device, including a testing platform 1, on which a positioning plate 11 is fixedly connected. A structure for hardness testing is provided above the positioning plate 11. This structure adopts the structure mentioned in the patent literature in the background art, and will not be described in detail in this application. The top of the positioning plate 11 is provided with a discharge trough 111 and a U-shaped enclosure 112 located outside the discharge trough 111. The discharge trough 111 is the position for testing the hardness of the casting steel ball, and the U-shaped enclosure 112 serves to prevent the casting steel ball from detaching from the discharge trough 111.
[0023] In the technical solution, the transfer trolley 2 comprises a trolley compartment 21 and a spiral conveyor 22, the spiral conveyor 22 is arranged in an inclined manner and has a feeding pipe 3 connected to the bottom of the trolley compartment 21, and the top end of the spiral conveyor 22 is provided with a discharging pipe 4. The steel balls in the trolley compartment 21 enter the spiral conveyor 22 through the feeding pipe 3, are discharged downward through the discharging pipe 4 after being conveyed, and the bottom of the trolley compartment 21 is in a taper sleeve structure and is welded to the top of the feeding pipe 3, so that the steel balls in the trolley compartment 21 can be conveniently guided into the feeding pipe 3. When the transfer trolley 2 moves, the trolley compartment 21 and the spiral conveyor 22 can be simultaneously carried to move, so that the transfer and conveying of the steel balls are facilitated, and the feeding and transfer of the steel balls for hardness detection are more convenient.
[0024] Further, a U-shaped notch 113 used in cooperation with the spiral conveyor 22 is formed at one end of the positioning platform 11, the bottom of the U-shaped notch 113 extends to the opening of the U-shaped fence 112, the spiral conveyor 22 on the transfer trolley 2 is aligned with the U-shaped notch 113, and then is pushed to the limit position, so that the outlet of the discharging pipe 4 on the spiral conveyor 22 is opposite to the discharging groove 111, and the alignment of the spiral conveyor 22 and the discharging groove 111 is more convenient.
[0025] Specifically, the spiral conveyor 22 comprises a conveying cylinder 221 and a conveying spiral 222 in the conveying cylinder 221, the outer wall of the conveying cylinder 221 is welded to the bottom of the trolley compartment 21 through the positioning plate, the cross section of the conveying cylinder 221 is U-shaped, the conveying spiral 222 rotates to push the steel balls to move, and the movement of the steel balls in the conveying cylinder 221 is more smooth. The bottom of the feeding pipe 3 is fixedly connected to the upper end surface of the conveying cylinder 221, the inner diameter of the feeding pipe 3 is larger than the diameter of the steel ball, and only one steel ball can be accommodated in one feeding pipe 3, the steel balls in the feeding pipe 3 enter the conveying cylinder 221 in sequence, the lower part of the conveying cylinder 221 is provided with a discharging port 2211 close to the top, the top of the discharging pipe 4 is welded to the lower arc wall of the conveying cylinder 221 and is opposite to the discharging port 2211, the discharging pipe 4 is arranged in an inclined manner, and the free end is inclined downward, so that the steel balls can be guided into the discharging groove 111.
[0026] Further, the top of the transmission cylinder 221 is welded with a ring support 2212, the inner ring of the ring support 2212 is opposite to the discharge port 2211, the transmission screw 222 comprises a transmission shaft 2221 and screw blades 2222 which are fixed around the transmission shaft 2221 outside, one end of the transmission shaft 2221 is rotationally connected with the bottom end of the transmission, and the other end is rotationally connected with the outer circumferential wall of the ring support 2212. In a specific implementation, preferably, the other end of the transmission shaft 2221 is welded with a short shaft 22211, and the outer circumferential wall of the ring support 2212 is welded with a positioning sleeve 22121 which is connected with the short shaft 22211 through a bearing. The ring support 2212 plays a role in supporting the transmission shaft 2221 and guiding the steel balls to fall into the discharging pipe 4, the transmission shaft 2221 plays a role in supporting the steel balls, the screw blades 2222 separate the steel balls one by one, and the screw blades 2222 push the steel balls when the transmission shaft 2221 rotates.
[0027] In the embodiment, one side of the carriage 21 is bonded with rubber plates 5 located on both sides of the spiral transmission device 22, and one side of the positioning platform 11 is welded with limiting baffle plates 114 located on both sides of the U-shaped notch 113. The limiting baffle plates 114 are used in cooperation with the rubber plates 5. When the pusher trolley 2 and the positioning platform 11 are docked, the rubber plates 5 will be attached to the limiting baffle plates 114. The rubber plates 5 play a role in buffering the docking.
[0028] Further, the rubber plates 5 are embedded with magnets 6 which are magnetically attracted to the limiting baffle plates 114. In use, the limiting baffle plates 114 can be made of steel. When the rubber plates 5 are attached to the limiting baffle plates 114, a magnetic attraction force is generated between them, thereby improving the stability of the pusher trolley 2 after being docked with the positioning platform 11.
[0029] Working principle: In use, the carriages 21 on multiple pusher trolleys 2 are fully loaded with cast steel balls which need to be detected for hardness, then one of the pusher trolleys 2 is manually pushed to be close to the positioning platform 11, the transmission cylinder 221 is aligned with the U-shaped notch 113, then the pusher trolley 2 is pushed forward until the rubber plates 5 are attached to the limiting baffle plates 114, at this time, the outlet discharge groove 111 of the discharging pipe 4 is opposite, then the control motor at the bottom end of the spiral transmission device 22 is started, the control motor drives the transmission shaft 2221 to rotate, the screw blades 2222 separate the cast steel balls in the feeding pipe 3 one by one and move them upwards, when the frontmost steel ball is separated from the screw blades 2222, it will fall into the discharging pipe 4 through the ring support 2212, then it will enter the discharge groove 111 under the guidance of the discharging pipe 4, thereby achieving the feeding of the steel balls. When the steel balls in the carriage 21 are used up, other pusher trolleys 2 can be replaced.
[0030] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.
Claims
1. A cast steel ball hardness detection device, comprising a detection platform (1), a positioning table plate (11) is fixedly connected on the detection platform (1), a discharge chute (111) is arranged on the top of the positioning table plate (11), and a U-shaped fence (112) is arranged outside the discharge chute (111), characterized in that a transfer trolley (2) is further arranged, the transfer trolley (2) comprises a carriage (21) and a spiral conveyor (22), the spiral conveyor (22) is arranged in an inclined manner, a bottom end of the spiral conveyor (22) is provided with a feeding pipe (3) connected with the bottom of the carriage (21), a top end of the spiral conveyor (22) is provided with a discharging pipe (4), one end of the positioning table plate (11) is provided with a U-shaped notch (113) matched with the spiral conveyor (22), and the bottom of the U-shaped notch (113) extends to the opening of the U-shaped fence (112).
2. The cast steel ball hardness detection device according to claim 1, characterized in that: The spiral conveyor (22) comprises a transmission cylinder (221) and a transmission spiral (222) arranged in the transmission cylinder (221), the transmission cylinder (221) is in a U-shaped cross section, the bottom of the feeding pipe (3) is fixedly connected with the upper end face of the transmission cylinder (221), the lower part of the transmission cylinder (221) is provided with a discharge port (2211) close to the top, and the top of the discharging pipe (4) is welded with the lower arc wall of the transmission cylinder (221) and opposite to the discharge port (2211).
3. A cast steel ball hardness detection device according to claim 2, characterized in that: A ring support (2212) is welded on the top in the transmission cylinder (221), the inner ring of the ring support (2212) is opposite to the discharge port (2211), the transmission spiral (222) comprises a transmission shaft (2221) and spiral blades (2222) arranged around the transmission shaft (2221), one end of the transmission shaft (2221) is rotationally connected with the bottom end of the transmission, and the other end is rotationally connected with the outer peripheral wall of the ring support (2212).
4. The apparatus for detecting the hardness of a cast steel ball according to claim 3, wherein: The other end of the transmission shaft (2221) is welded with a short shaft (22211), and the outer peripheral wall of the ring support (2212) is welded with a positioning sleeve (22121) connected with the short shaft (22211) through a bearing.
5. The apparatus for detecting the hardness of a cast steel ball according to claim 1, wherein: The bottom of the carriage (21) is in a taper sleeve structure, and the small end is welded with the top of the feeding pipe (3).
6. The apparatus for detecting the hardness of a cast steel ball according to claim 1, wherein: One side of the carriage (21) is bonded with rubber plates (5) arranged on both sides of the spiral conveyor (22), and one side of the positioning table plate (11) is welded with limiting baffle plates (114) arranged on both sides of the U-shaped notch (113), the limiting baffle plates (114) are matched with the rubber plates (5).
7. A cast steel ball hardness detection device according to claim 6, characterized in that: The rubber plates (5) are embedded with magnets (6) matched with the limiting baffle plates (114) in a magnetic attraction manner.
Citation Information
Patent Citations
A casting steel ball hardness detection platform and its use method
CN117782792B