A feeding device for full-automatic metering calibration test

Abstract

A feeding device for full-automatic metering calibration test relates to the technical field of digital multimeter calibration, which comprises a shell, the shell is divided into lower, middle and upper three parts, one side of the lower part is used for setting a first bin part, the middle part is used for setting a transfer part, the other side of the lower part is used for setting a second bin part; the first bin part and the second bin part both comprise a rack and a jacking cylinder, a plurality of groups of ratchet blocks are fixedly arranged on the rack in the vertical direction, each group of ratchet blocks is used for supporting a bottom plate and a digital multimeter, the jacking cylinder is located below the rack, and the telescopic end of the jacking cylinder corresponds to the rack; the transfer part is located above the rack, the transfer part comprises a grabbing mechanism and a side shifting mechanism, wherein the grabbing mechanism is used for grabbing an idle bottom plate and transferring it to the side shifting mechanism, and the side shifting mechanism is used for transferring the idle bottom plate to below the rack of the second bin part, which is used for solving the problem that the bottom plate cannot be stored after the digital multimeter is automatically fed.

Description

Technical Field

[0001] The utility model relates to the field of digital multimeter calibration technology, specifically to a feeding device for fully automatic metrological calibration testing. Background Technology

[0002] Digital multimeters are generally divided into three types: handheld, benchtop, and laboratory. Handheld digital multimeters often require calibration after manufacturing to ensure accurate readings during subsequent use.

[0003] However, the current calibration process for digital multimeters is mostly done manually. That is, the staff takes the test piece from the shelf where the digital multimeter is placed, connects it to the programmable controller, and then performs the corresponding operation according to the calibration procedure. However, such calibration operation has the disadvantages of low efficiency and high labor cost. Therefore, it is necessary to consider adopting an automated method to calibrate digital multimeters.

[0004] Chinese patent CN118373195A discloses a chip transfer device. In the same field, this device transfers the material tube to the chip sorting mechanism through the material tube feeding mechanism, thereby realizing automatic feeding of the material tube and the chip. However, for digital multimeters, the transfer is carried out on a base plate. After the digital multimeter is fed, the base plate still needs to be stored.

[0005] Therefore, we propose a feeding device for automatic calibration of digital multimeters. Utility Model Content

[0006] The purpose of this invention is to provide a feeding device for fully automatic metrological calibration testing, which solves the problem that the base plate cannot be stored after automatic feeding of digital multimeters.

[0007] This utility model is achieved through the following technical solution: A feeding device for fully automatic metrological calibration testing includes a housing, which is divided into three parts: lower, middle and upper. One side of the lower part is used to set up a first hopper, the middle part is used to set up a transfer part, and the other side of the lower part is used to set up a second hopper. Both the first and second hopper sections include a material rack and a lifting cylinder. Multiple sets of ratchet blocks are fixedly installed on the material rack along the vertical direction. Each set of ratchet blocks is used to support a base plate and a digital multimeter. The lifting cylinder is located below the material rack, and the extension and retraction end of the lifting cylinder faces the material rack. The transfer unit is located above the material rack and includes a gripping mechanism and a side-shifting mechanism. The gripping mechanism is used to grip the empty bottom plate and transfer it to the side-shifting mechanism, which is used to transfer the empty bottom plate to the material rack below the second hopper.

[0008] Furthermore, the ratchet support block includes a ratchet component, a connecting shaft, a support block component, a positioning component, and a limiting component. A connecting shaft is fixedly installed on both sides of the ratchet component. The head ends of the two connecting shafts pass through the material rack and are respectively fixedly connected to a support block component. The pawl of the ratchet component abuts against the positioning component, the positioning component is hinged to the material rack, and the bottom of the positioning component abuts against the limiting component. The limiting component is fixedly connected to the material rack.

[0009] Furthermore, the gripping mechanism includes a linear motor, a telescopic cylinder, and a gripper. The linear motor is located above the first hopper section, and one end of the linear motor is fixedly connected to the inner side of the housing, while the other end of the linear motor is fixedly connected to the material rack of the second hopper section. The bottom end of the drive unit of the linear motor is correspondingly connected to the fixed end of the telescopic cylinder, and the telescopic end of the telescopic cylinder is correspondingly connected to the gripper. The gripper is used to grip the bottom plate at the top of the first hopper section.

[0010] Furthermore, the lateral shifting mechanism includes a drag cylinder, a base, and a slide rail. The drag cylinder is located between the material rack and the lifting cylinder in the second hopper section. The fixed end of the drag cylinder is fixedly connected to the inner side of the housing, and the telescopic end of the drag cylinder is fixedly connected to the base. The base is slidably connected to the slide rail, and both ends of the slide rail are fixedly connected to the inner side of the housing and the material rack in the first hopper section, respectively.

[0011] Furthermore, the base is a frame structure with a hollow bottom, and the top surface of the base is provided with four limiting blocks, which cooperate with the base plate.

[0012] Furthermore, the slide rail surface is provided with multiple auxiliary sliding rollers.

[0013] The technical solution of this utility model has at least the following advantages and beneficial effects: This utility model discloses a feeding device for fully automatic metrological calibration testing. The second hopper can collect empty base plates. Combined with the automatic feeding of the first hopper and the automatic transfer of the transfer unit, this device can effectively solve the automatic feeding problem in the automatic calibration process of digital multimeters, thereby improving the efficiency of automatic calibration of digital multimeters. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 Enlarged schematic diagram of part A of the structure; Figure 3 This is a schematic diagram of the ratchet support block structure of this utility model.

[0015] Reference numerals in the attached drawings: 1. First hopper section; 11. Material rack; 12. Lifting cylinder; 13. Ratchet support block; 131. Ratchet component; 132. Connecting shaft; 133. Support block component; 134. Positioning component; 135. Limiting component; 2. Transfer section; 21. Gripping mechanism; 211. Linear motor; 212. Telescopic cylinder; 213. Gripper; 22. Side shifting mechanism; 221. Dragging cylinder; 222. Base; 223. Slide rail; 3. Second hopper section; 4. Auxiliary sliding roller; 5. Base plate. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0017] Example 1 like Figures 1-3 The feeding device shown is for fully automatic metrological calibration testing. It includes a housing, which is divided into three parts: lower, middle and upper. One side of the lower part is used to set the first hopper 1, the middle part is used to set the transfer part 2, and the other side of the lower part is used to set the second hopper 3. The first hopper section 1 contains base plates 5 with digital multimeters, while the second hopper section 3 contains empty base plates 5. The transfer section 2 also transfers the empty base plates 5 to the second hopper section 3.

[0018] The first hopper section 1 and the second hopper section 3 both include a material rack 11 and a lifting cylinder 12. Multiple sets of ratchet blocks 13 are fixedly arranged on the material rack 11 along the vertical direction. Each set of ratchet blocks 13 is used to support a base plate 5 and a digital multimeter. The lifting cylinder 12 is located below the material rack 11, and the extension end of the lifting cylinder 12 faces the material rack 11. Furthermore, the ratchet support block 13 includes a ratchet component 131, a connecting shaft 132, a support block 133, a positioning component 134, and a limiting component 135. A connecting shaft 132 is fixedly mounted on both sides of the ratchet component 131. The heads of both connecting shafts 132 pass through the material rack 11, and the heads of each connecting shaft 132 are fixedly connected to a support block 133. The pawl of the ratchet component 131 abuts against the positioning component 134, the positioning component 134 is hinged to the material rack 11, and the bottom of the positioning component 134 abuts against the limiting component 135. The limiting component 135 is fixedly connected to the material rack 11. In this structure, under normal support conditions, the support block is water... In a flat state, the base plate 5 placed on each set of ratchet support blocks 13 is also in a horizontal state. In addition, the limiting member 135 determines that the positioning member 134 can only rotate upward. Therefore, when the lifting cylinder 12 extends and lifts the bottom base plate 5 of the material rack 11, the other base plates 5 on the material rack 11 will also be lifted. The support block 133 and the ratchet member 131 will also rotate under the action of the bottom base plate 5 below. When the top base plate 5 of the material rack 11 is lifted and detached from the material rack 11 and is grabbed by the transfer part 2, the lifting cylinder 12 is retracted. Under the restriction of the positioning member 134, the ratchet member 131 allows the support block 133 to return to a horizontal state and continue to play a supporting role.

[0019] The transfer section 2 is located above the material rack 11. The transfer section 2 includes a gripping mechanism 21 and a side-shifting mechanism 22. The gripping mechanism 21 is used to grip the empty bottom plate 5 and transfer it to the side-shifting mechanism 22. The side-shifting mechanism 22 is used to transfer the empty bottom plate 5 to below the material rack 11 of the second hopper section 3.

[0020] Example 2 In one embodiment, the gripping mechanism 21 includes a linear motor 211, a telescopic cylinder 212, and a gripper 213. The linear motor 211 is located above the first hopper section 1, with one end fixedly connected to the inner side of the housing and the other end fixedly connected to the material rack 11 of the second hopper section 3. The bottom end of the drive unit of the linear motor 211 is correspondingly connected to the fixed end of the telescopic cylinder 212, and the telescopic end of the telescopic cylinder 212 is correspondingly connected to the gripper 213. The gripper 213 is used to grip the bottom plate 5 at the top of the first hopper section 1. 1. The operation begins only after the digital multimeter placed on the surface of the base plate 5 is removed. The drive end of the linear motor 211 moves to the top of the empty base plate 5. The telescopic cylinder 212 extends, driving the gripper 213 to the empty base plate 5. After the gripper 213 grabs the empty base plate 5, the telescopic cylinder 212 retracts. In conjunction with the linear motor 211, the empty base plate 5 is moved to the top of the side-moving mechanism 22. Finally, the telescopic cylinder 212 extends again to place the empty base plate 5 on the side-moving mechanism 22, and the gripper 213 is released and the telescopic cylinder 212 is retracted, completing the initial transfer of the empty base plate 5.

[0021] Furthermore, the lateral shifting mechanism 22 includes a drag cylinder 221, a base 222, and a slide rail 223. The drag cylinder 221 is located between the material rack 11 and the lifting cylinder 12 in the second hopper section 3. The fixed end of the drag cylinder 221 is fixedly connected to the inner side of the housing, and the telescopic end of the drag cylinder 221 is fixedly connected to the base 222. The base 222 is slidably connected to the slide rail 223, and both ends of the slide rail 223 are respectively connected to the inner side of the housing. It is fixedly connected to the material rack 11 of the first material hopper section 1; in the initial state, the drag cylinder 221 will push the base 222 to the outside of the second material hopper section 3. After the empty base plate 5 falls on the base 222, the drag cylinder 221 will pull the base 222 to the bottom of the material rack 11 of the second material hopper section 3. Then the lifting cylinder 12 of the second material hopper section 3 can pass through the base 222 to lift the base plate 5, so that the empty base plate 5 enters the material rack 11 of the second material hopper section 3.

[0022] In addition, the base 222 is a frame structure with a hollow bottom, and the top surface of the base 222 is provided with four limiting blocks. The four limiting blocks cooperate with the base plate 5. The hollow bottom structure allows the lifting cylinder 12 to pass through, while the four limiting blocks can restrict the empty base plate 5 and prevent the empty base plate 5 from separating from the base 222.

[0023] In particular, the surface of the slide rail 223 is provided with a plurality of auxiliary slide rollers 4, which can reduce the wear of the base 222 when it moves along the slide rail 223.

[0024] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A feeding device for fully automated metrological calibration testing, characterized in that, The shell is divided into three parts: lower, middle and upper. One side of the lower part is used to set up the first hopper (1), the middle part is used to set up the transfer part (2), and the other side of the lower part is used to set up the second hopper (3). The first hopper section (1) and the second hopper section (3) both include a material rack (11) and a lifting cylinder (12). Multiple sets of ratchet blocks (13) are fixedly installed on the material rack (11) along the vertical direction. Each set of ratchet blocks (13) is used to support a base plate (5) and a digital multimeter. The lifting cylinder (12) is located below the material rack (11), and the extension end of the lifting cylinder (12) faces the material rack (11). The transfer section (2) is located above the material rack (11). The transfer section (2) includes a gripping mechanism (21) and a side-shifting mechanism (22). The gripping mechanism (21) is used to grip the empty bottom plate (5) and transfer it to the side-shifting mechanism (22). The side-shifting mechanism (22) is used to transfer the empty bottom plate (5) to the material rack (11) of the second hopper section (3).

2. The feeding device for fully automated metrological calibration testing according to claim 1, characterized in that: The ratchet support block (13) includes a ratchet component (131), a connecting shaft (132), a support block (133), a positioning component (134), and a limiting component (135). A connecting shaft (132) is fixedly provided on both sides of the ratchet component (131). The head ends of the two connecting shafts (132) pass through the material rack (11) and the head ends of the two connecting shafts (132) are respectively fixedly connected to a support block (133). The pawl of the ratchet component (131) abuts against the positioning component (134). The positioning component (134) is hinged to the material rack (11). The bottom of the positioning component (134) abuts against the limiting component (135). The limiting component (135) is fixedly connected to the material rack (11).

3. The feeding device for fully automated metrological calibration testing according to claim 1, characterized in that: The gripping mechanism (21) includes a linear motor (211), a telescopic cylinder (212), and a gripper (213). The linear motor (211) is located above the first hopper (1), and one end of the linear motor (211) is fixedly connected to the inner side of the housing. The other end of the linear motor (211) is fixedly connected to the material rack (11) of the second hopper (3). The bottom end of the drive unit of the linear motor (211) is correspondingly connected to the fixed end of the telescopic cylinder (212), and the telescopic end of the telescopic cylinder (212) is correspondingly connected to the gripper (213). The gripper (213) is used to grip the bottom plate (5) at the top of the first hopper (1).

4. The feeding device for fully automated metrological calibration testing according to claim 1, characterized in that: The lateral shifting mechanism (22) includes a drag cylinder (221), a base (222), and a slide rail (223). The drag cylinder (221) is located between the material rack (11) and the lifting cylinder (12) of the second hopper (3). The fixed end of the drag cylinder (221) is fixedly connected to the inner side of the housing. The telescopic end of the drag cylinder (221) is fixedly connected to the base (222). The base (222) is slidably connected to the slide rail (223). The two ends of the slide rail (223) are fixedly connected to the inner side of the housing and the material rack (11) of the first hopper (1), respectively.

5. The feeding device for fully automated metrological calibration testing according to claim 4, characterized in that: The base (222) is a frame structure with a hollow bottom, and the top surface of the base (222) is provided with four limiting blocks, which cooperate with the base plate (5).

6. The feeding device for fully automated metrological calibration testing according to claim 4, characterized in that: The slide rail (223) has multiple auxiliary slide rollers (4) on its surface.

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