Quality detection device for teaching equipment production

Abstract

The utility model discloses a quality detection device for teaching equipment production, which comprises a base, a controller is fixedly mounted on the outer surface of the front end of the base, a support is fixedly mounted on the outer surface of the upper end of the base, and a hydraulic rod is fixedly mounted in the middle of the outer surface of the upper end of the support. A pressure sensor is fixedly connected to the outer surface of the lower end of a piston rod in the hydraulic rod, a material pressing head is fixedly installed on the outer surface of the lower end of the pressure sensor, and supporting rods are fixedly installed on the left side and the right side of the outer surface of the upper end of the base. According to the quality detection device for teaching equipment production, the double-model positioning structure is arranged, and a hexagonal chalk limiting groove and a circular chalk limiting groove are formed in the double-model positioning structure, so that chalks with two shapes can be conveniently detected, and the applicability is improved; and the double-model positioning structure can be conveniently limited, so that the double-model positioning structure can be conveniently and quickly assembled and disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching equipment detection, and specifically relates to a quality detection device for teaching equipment production. Background Art

[0002] Chalk is a common teaching tool, which together with other teaching equipment such as multimedia teaching equipment, blackboards, teaching cards, etc., constitutes the basic equipment for modern teaching.

[0003] In the prior art, when producing chalk, a bending strength test needs to be carried out. The flexural strength test of chalk is to evaluate the ability of chalk to resist bending during use, which directly relates to the durability of chalk; through the test, it can be ensured that the chalk is not easily broken, so as to ensure a good writing experience during use; in addition, the flexural strength test can also reveal the resistance ability of chalk when subjected to external forces, which is crucial for improving product quality and enhancing user experience.

[0004] The outer shape of chalk in the prior art is generally round or hexagonal. In the prior art, before testing the chalk, the chalk needs to be supported by a support structure, and the model of the support structure needs to be selected and installed according to the outer shape of the chalk. The installation and disassembly are not convenient enough and require a complex disassembly and assembly process.

[0005] Therefore, we propose a quality detection device for teaching equipment production. Content of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] Aiming at the deficiencies of the prior art, the utility model provides a quality detection device for teaching equipment production, which is convenient for testing two models of chalk, can be quickly switched according to the outer shape of the chalk, has the advantages of improving the detection efficiency, etc., and can effectively solve the problems in the background art.

[0008] (2) Technical Solutions

[0009] To achieve the above object, the technical solution adopted by the present utility model is as follows: A quality inspection device for the production of teaching equipment, including a base, a controller is fixedly installed on the front outer surface of the base, a bracket is fixedly installed on the upper outer surface of the base, a hydraulic rod is fixedly installed in the middle of the upper outer surface of the bracket, a pressure sensor is fixedly connected to the lower outer surface of the piston rod in the hydraulic rod, a pressing head is fixedly installed on the lower outer surface of the pressure sensor, support rods are fixedly installed on the left and right sides of the upper outer surface of the base, a dual-type positioning structure is arranged on the upper part of the outer surface of one side of the support rod, a clamping component is fixedly installed on the upper part of the outer surface of one side of the support rod, the dual-type positioning structure includes a fixed block, a slot, a clamping groove, an upper support block, a lower support block, a hexagonal chalk limiting groove and a circular chalk limiting groove, the clamping component includes an installation groove, a compression spring, a guide rod, a clamping block and a through hole, the upper support block is fixedly installed on the upper outer surface of the fixed block, and the lower support block is fixedly installed on the lower outer surface of the fixed block.

[0010] Preferably, the slot is opened in the middle of the outer surface of one side of the fixed block, the clamping groove is opened in the middle of the front outer surface of the fixed block, one end of the clamping groove is communicated with the slot, the hexagonal chalk limiting groove is opened on the upper outer surface of the upper support block, and the circular chalk limiting groove is opened on the lower outer surface of the lower support block.

[0011] Preferably, an insertion block is fixedly installed on the upper part of the outer surface of one side of the support rod, the installation groove is opened in the middle of the front outer surface of the insertion block, and the compression spring and the guide rod are both located in the installation groove.

[0012] Preferably, the through hole is opened in the middle of the outer surface of one side of the clamping block, and one end of the clamping block extends into the installation groove.

[0013] Preferably, one end of the outer surface of the guide rod is fixedly connected to the middle of one end of the installation groove, the compression spring is movably sleeved on the outer wall of the guide rod, and the compression spring is fixedly installed between the outer surface of one end of the clamping block and one end of the installation groove.

[0014] Preferably, the clamping block is slidably connected to the outer wall of the guide rod through the through hole, the outer wall of the clamping block is slidably connected to the installation groove, one end of the outer surface of the clamping block is elastically connected to one end of the installation groove through the compression spring, the outer wall of the insertion block is inserted into the slot, and one end of the outer wall of the clamping block is clamped with the clamping groove.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a quality inspection device for the production of teaching equipment, which has the following beneficial effects:

[0017] 1. The quality inspection device for the production of a teaching device is provided with a dual-model positioning structure. In the dual-model positioning structure, there are a hexagonal chalk limiting groove and a circular chalk limiting groove in society, which are convenient for detecting chalks with two shapes and improving applicability.

[0018] 2. The quality inspection device for the production of a teaching device is provided with a clamping component, which is convenient for limiting the dual-model positioning structure, making the dual-model positioning structure easy to assemble and disassemble quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a quality inspection device for the production of a teaching device of the present utility model.

[0020] Figure 2 It is a schematic diagram of the structure of the dual-model positioning structure in a quality inspection device for the production of a teaching device of the present utility model.

[0021] Figure 3 It is a schematic diagram of the structure of the support rod and the clamping component in a quality inspection device for the production of a teaching device of the present utility model.

[0022] Figure 4 It is a top view cross-sectional view of the clamping component in a quality inspection device for the production of a teaching device of the present utility model.

[0023] In the figure: 1. Base; 2. Controller; 3. Bracket; 4. Hydraulic rod; 5. Pressure sensor; 6. Pressing head; 7. Support rod; 8. Dual-model positioning structure; 9. Fixed block; 10. Slot; 11. Clamping groove; 12. Upper support block; 13. Lower support block; 14. Hexagonal chalk limiting groove; 15. Circular chalk limiting groove; 16. Insert block; 17. Installation groove; 18. Compression spring; 19. Guide rod; 20. Clamping block; 21. Through hole; 22. Clamping component. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] This embodiment is a quality inspection device for the production of a teaching device.

[0026] As Figures 1-4As shown in the figure, it includes a base 1. A controller 2 is fixedly installed on the outer surface of the front end of the base 1. A bracket 3 is fixedly installed on the outer surface of the upper end of the base 1. A hydraulic rod 4 is fixedly installed in the middle of the outer surface of the upper end of the bracket 3. A pressure sensor 5 is fixedly connected to the outer surface of the lower end of the piston rod in the hydraulic rod 4. A pressure head 6 is fixedly installed on the outer surface of the lower end of the pressure sensor 5. Support rods 7 are fixedly installed on the left and right sides of the outer surface of the upper end of the base 1. A dual-type positioning structure 8 is arranged on the upper part of the outer surface of one side of the support rod 7. A clamping component 22 is fixedly installed on the upper part of the outer surface of one side of the support rod 7. The dual-type positioning structure 8 includes a fixed block 9, a slot 10, a clamping groove 11, an upper support block 12, a lower support block 13, a hexagonal chalk limiting groove 14 and a circular chalk limiting groove 15. The clamping component 22 includes an installation groove 17, a compression spring 18, a guide rod 19, a clamping block 20 and a through hole 21. The upper support block 12 is fixedly installed on the outer surface of the upper end of the fixed block 9. The lower support block 13 is fixedly installed on the outer surface of the lower end of the fixed block 9.

[0027] The slot 10 is opened in the middle of the outer surface of one side of the fixed block 9. The clamping groove 11 is opened in the middle of the outer surface of the front end of the fixed block 9. One end of the clamping groove 11 is communicated with the slot 10. The hexagonal chalk limiting groove 14 is opened on the outer surface of the upper end of the upper support block 12. The circular chalk limiting groove 15 is opened on the outer surface of the lower end of the lower support block 13. An insertion block 16 is fixedly installed on the upper part of the outer surface of one side of the support rod 7. The installation groove 17 is opened in the middle of the outer surface of the front end of the insertion block 16. Both the compression spring 18 and the guide rod 19 are located in the installation groove 17. The through hole 21 is opened in the middle of the outer surface of one side of the clamping block 20. One end of the clamping block 20 extends into the installation groove 17. One end of the outer surface of the guide rod 19 is fixedly connected to the middle of one end of the installation groove 17. The compression spring 18 is movably sleeved on the outer wall of the guide rod 19, and the compression spring 18 is fixedly installed between the outer surface of one end of the clamping block 20 and one end of the installation groove 17. The clamping block 20 is slidably connected to the outer wall of the guide rod 19 through the through hole 21. The outer wall of the clamping block 20 is slidably connected to the installation groove 17. The outer surface of one end of the clamping block 20 is elastically connected to one end of the installation groove 17 through the compression spring 18. The outer wall of the insertion block 16 is inserted into the slot 10. The outer wall of one end of the clamping block 20 is clamped with the clamping groove 11.

[0028] It should be noted that the present utility model is a quality inspection device for the production of teaching equipment. The dual-model positioning structure 8 is provided. Through the hexagonal chalk limiting groove 14 and the circular chalk limiting groove 15 provided, the hexagonal chalk limiting groove 14 can support hexagonal chalk, and the circular chalk limiting groove 15 is convenient for supporting circular chalk, and can be selected and used according to needs. Through the clamping component 22 provided, the dual-model positioning structure 8 and the support rod 7 are convenient for assembly and disassembly. During installation, the clamping block 20 is squeezed, so that the clamping block 20 squeezes the compression spring 18 along the installation groove 17. The clamping block 20 slides along the outer wall of the guide rod 19 through the through hole 21. The clamping block 20 is squeezed, so that one end of the clamping block 20 enters the installation groove 17. Then, the insertion block 16 is inserted into the slot 10. When the clamping block 20 reaches the position of the clamping groove 11, due to the reset action of the compression spring 18, one end of the clamping block 20 is clamped into the clamping groove 11, thus completing the installation of the dual-model positioning structure 8 and being convenient for disassembly. After the chalk is supported by the two groups of dual-model positioning structures 8, the hydraulic rod 4 is used to drive the pressure head 6 to descend. The pressure sensor 5 is used to detect the value of the pressure applied by the pressure head 6 to the chalk. When the monitored value becomes smaller or becomes zero, the experiment ends.

[0029] It should be noted that in this article, relational terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A quality inspection device for production of teaching equipment, comprising a base (1), characterized in that: A controller (2) is fixedly mounted on the front outer surface of the base (1), a bracket (3) is fixedly mounted on the upper outer surface of the base (1), a hydraulic rod (4) is fixedly mounted in the middle of the upper outer surface of the bracket (3), a pressure sensor (5) is fixedly connected to the lower outer surface of the piston rod of the hydraulic rod (4), a pressing head (6) is fixedly mounted on the lower outer surface of the pressure sensor (5), support rods (7) are fixedly mounted on the left and right sides of the upper outer surface of the base (1), a double-model positioning structure (8) is provided on the upper part of the outer surface of one side of the support rod (7), and one side of the support rod (7) is fixedly mounted. A snap-fit assembly (22) is fixedly installed on the upper portion of the outer surface. The dual-model positioning structure (8) comprises a fixed block (9), a slot (10), a snap-fit groove (11), an upper support block (12), a lower support block (13), a hexagonal chalk limiting groove (14) and a circular chalk limiting groove (15). The snap-fit assembly (22) comprises a mounting groove (17), a compression spring (18), a guide rod (19), a snap-fit block (20) and a through hole (21). The upper support block (12) is fixedly installed on the upper outer surface of the fixed block (9), and the lower support block (13) is fixedly installed on the lower outer surface of the fixed block (9).

2. A quality inspection device for production of teaching equipment according to claim 1, characterized in that: The slot (10) is provided in the middle of the outer surface of one side of the fixed block (9), the clamping slot (11) is provided in the middle of the outer surface of the front end of the fixed block (9), one end of the clamping slot (11) is connected to the slot (10), the hexagonal chalk limiting slot (14) is provided in the outer surface of the upper end of the upper support block (12), and the circular chalk limiting slot (15) is provided in the outer surface of the lower end of the lower support block (13).

3. A quality inspection device for production of teaching equipment according to claim 2, characterized in that: The insert block (16) is fixedly mounted on the upper portion of the outer surface of one side of the support rod (7), the mounting groove (17) is opened in the middle portion of the outer surface of the front end of the insert block (16), and the compression spring (18) and the guide rod (19) are both located in the mounting groove (17).

4. A quality inspection device for production of teaching equipment according to claim 3, characterized in that: The through hole (21) is formed in the middle of the outer surface of one side of the clamping block (20), and one end of the clamping block (20) extends into the mounting groove (17).

5. A quality inspection device for production of teaching equipment according to claim 4, characterized in that: The outer surface of one end of the guide rod (19) is fixedly connected to the middle of one end of the mounting groove (17), the compression spring (18) is movably sleeved on the outer wall of the guide rod (19), and the compression spring (18) is fixedly installed between the outer surface of one end of the clamping block (20) and one end of the mounting groove (17).

6. A quality inspection device for production of teaching equipment according to claim 5, characterized in that: The clamping block (20) is slidably connected to the outer wall of the guide rod (19) through the through hole (21), the outer wall of the clamping block (20) is slidably connected to the mounting groove (17), the outer surface of one end of the clamping block (20) is elastically connected to one end of the mounting groove (17) through a compression spring (18), the outer wall of the plug block (16) is plugged into the slot (10), and the outer wall of one end of the clamping block (20) is clamped into the clamping groove (11).

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