Multi-specification drill bit quick-change type sampling device for material analysis
The multi-specification drill bit quick-change sampling device uses a compression spring to drive a sliding ball to achieve rapid drill bit replacement. Combined with a sampling mechanism driven by a cylinder and a motor, it solves the problem of long drill bit replacement time in traditional sampling devices, and improves detection efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing material analysis sampling devices are time-consuming to change drill bits, making it difficult to meet the needs of high-frequency, multi-specification testing.
A multi-specification drill bit quick-change sampling device is adopted, which uses a compression spring to drive a sliding ball to achieve quick connection and disconnection of drill bits. Combined with a sampling mechanism driven by a cylinder and a motor, it realizes quick replacement of drill bits and automatic sample delivery.
This enables rapid drill bit replacement, reduces maintenance costs, avoids sample damage, and improves testing efficiency and accuracy.
Smart Images

Figure CN224109101U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material analysis sampling technical field especially relates to material analysis is with multi -specification drill bit quick -change formula sampling device. BACKGROUND
[0002] In the field of material science and engineering, material analysis is the core link of guaranteeing material performance and optimizing production process, and sampling as the first process of pre-treatment analysis, its efficiency and precision directly affect the reliability of subsequent detection results. With the surge of diversified and high-performance demand of modern industry on materials, such as precise detection of lightweight alloy in aerospace field, microstructure analysis of composite components in new energy materials, etc., the traditional sampling device has been difficult to meet the detection demand of high frequency and multi-specification due to the defects of single function, time-consuming replacement, etc. Under this background, the development of efficient, accurate and fast switching material analysis sampling device has become the key breakthrough to improve the automation level of material detection and promote industrial upgrading.
[0003] The mainstream technical scheme of the existing material analysis sampling device usually adopts the combination mode of single specification drill bit and fixed driving structure, installs the selected specification drill bit to the output end of the main shaft motor through manual operation, positions the measured material by mechanical clamp or manual pressing, then controls the feed handle or button to make the motor drive the drill bit to rotate and feed in the vertical direction, and completes the drilling sampling operation.
[0004] In the prior art, the traditional device needs to rely on manual operation to complete a series of operations such as disassembling fastening screws, assembling and disassembling drill bits, repositioning, etc. The time consumption of single replacement is generally as long as ten minutes, and if multi-specification continuous sampling is involved, the cumulative time consumption can reach several hours, which seriously restricts the detection efficiency. Therefore, the material analysis multi-specification drill bit quick-change sampling device is proposed to solve the above problems. Utility model content
[0005] In order to make up for the above shortcomings, the utility model provides a material analysis multi-specification drill bit quick-change sampling device, which aims at improving the problem of slow replacement of drill bits in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] Multi-specification drill bit quick-change sampling device for material analysis, comprising a support connecting pipe, a sliding pipe is slidably connected to the outside of the support connecting pipe, a sampling mechanism is fixedly connected to the top of the sliding pipe, a plurality of quick-release mechanisms are fixedly connected to the bottom of the support connecting pipe, a positioning assembly for auxiliary positioning is slidably connected to the outside of the support connecting pipe, a handhold is arranged on the outside of the sliding pipe, a sample outlet is arranged on the outside of the sliding pipe, the quick-release mechanism comprises a connecting protection shell, the connecting protection shell is fixedly connected to the inner side of the bottom of the support connecting pipe, a shell is slidably connected to the inside of the connecting protection shell, a limiting assembly is fixedly connected to the inside of the connecting protection shell, a plurality of sliding balls are slidably connected to the two sides of the shell, a connecting plate two is fixedly connected to one side of the sliding ball, a fixed limiting plate is arranged in the shell, a compression spring is sleeved between the connecting plate two and the fixed limiting plate;
[0008] As a further description of the above technical solution:
[0009] The sampling mechanism comprises a gas cylinder, the bottom of the gas cylinder is fixedly connected to the top of the sliding pipe, the driving end of the gas cylinder is fixedly connected with a motor, the outside of the motor is slidably connected in the inside of the sliding pipe;
[0010] As a further description of the above technical solution:
[0011] The limiting assembly comprises an arc-shaped groove, the arc-shaped groove is formed in the inside of the connecting protection shell, the outside of the sliding ball is slidably connected in the inside of the arc-shaped groove;
[0012] As a further description of the above technical solution:
[0013] The inside of the connecting protection shell is provided with a sliding strip, the outside of the shell is provided with a second sliding groove;
[0014] As a further description of the above technical solution:
[0015] The outside of the shell is fixedly connected with a sampling drill bit, the outside of the sliding strip is slidably connected to the inner side of the second sliding groove;
[0016] As a further description of the above technical solution:
[0017] The outside of the shell is fixedly connected with a sampling drill bit, the outside of the sliding strip is slidably connected to the inner side of the second sliding groove;
[0018] As a further description of the above technical solution:
[0019] The bottom of the connecting plate one is fixedly connected with a push screw, the bottom of the push screw is rotatably connected to the inner wall of the lower end of the sampling drill bit;
[0020] As a further description of the above technical solutions:
[0021] The positioning assembly comprises a sliding groove one, the sliding groove one is arranged on the outside of the support connecting pipe, and the temple of the sliding groove one is connected with a fixing ring in a sliding mode.
[0022] The utility model has the advantages of the following beneficial effects:
[0023] 1. In the utility model, the elastic potential energy of the compression spring is used to drive the sliding ball to automatically enter and separate from the arc-shaped groove, so that quick connection is realized, the traditional thread or screw fixing mode is completely abandoned, the device is suitable for multi-material detection scenes that need to frequently switch drill bit specifications, each sampling drill bit forms an independent module with the shell, and the sampling drill bit can be individually replaced after wear without the need to disassemble the whole device, so that the maintenance cost is reduced and the expansibility is high.
[0024] 2. In the utility model, the cylindrical sample core is pushed from the bottom of the drill bit to the inside of the sliding pipe during the drilling process, and is automatically discharged through the sample outlet, so that sample breakage or adhesion caused by the traditional pulling type coring is avoided, the sample surface is free of scratches, and the original microstructure is maintained. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 The utility model provides a three-dimensional schematic view of the multi-specification drill bit quick-change sampling device for material analysis;
[0026] Figure 2 The utility model provides a structure schematic view of the push spiral rod of the multi-specification drill bit quick-change sampling device for material analysis;
[0027] Figure 3 The utility model provides a structure schematic view of the sliding ball of the multi-specification drill bit quick-change sampling device for material analysis;
[0028] Figure 4 The utility model provides a structure schematic view of the fixing ring of the multi-specification drill bit quick-change sampling device for material analysis.
[0029] LEGEND:
[0030] 1, support connecting pipe, 2, air cylinder, 3, motor, 4, connecting plate one, 5, sliding pipe, 6, push spiral rod, 7, hand, 8, sample outlet, 9, sliding groove one, 10, fixing ring, 11, sampling drill bit, 12, connecting protective shell, 13, shell, 14, sliding strip, 15, arc-shaped groove, 16, compression spring, 17, fixed limiting plate, 18, sliding groove two, 19, connecting plate two, 20, sliding ball. DETAILED DESCRIPTION
[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.
[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application. Figures 1 to 3 The present application provides an embodiment of a multi-specification drill bit quick-change sampling device for material analysis, which comprises a support connecting pipe 1, a sliding pipe 5 slidably connected to the outside of the support connecting pipe 1, a sampling mechanism fixedly connected to the top of the sliding pipe 5, a plurality of quick-release mechanisms fixedly connected to the bottom of the support connecting pipe 1, a positioning assembly for auxiliary positioning slidably connected to the outside of the support connecting pipe 1, a hand grip 7 provided on the outside of the sliding pipe 5, the sliding pipe 5 sliding up and down along the support connecting pipe 1, a sample outlet 8 provided on the outside of the sliding pipe 5, the support connecting pipe 1 being connected to the sliding pipe 5, the quick-release mechanisms and the positioning assembly, which ensures the relative position stability between the components and enables the device to work normally.
[0033] The quick-release mechanism comprises a connecting protective shell 12, which prevents dust, sundries and the like from entering from the outside and affecting the normal work of the quick-release mechanism, is fixedly connected to the inner side of the bottom of the support connecting pipe 1, slidably connected to the inside of the connecting protective shell 12, fixedly connected to the inside of the connecting protective shell 12, slidably connected to the two sides of the outer shell 13, fixedly connected to one side of the sliding ball 20, and connected to the connecting plate two 19. The outer shell 13 bears the sampling drill bit 11 and is connected together with the connecting protective shell 12 through the quick-release mechanism. The inside of the outer shell 13 is provided with a fixed limiting plate 17, and the connecting plate two 19 and the fixed limiting plate 17 are sleeved with a compression spring 16 therebetween.
[0034] The limiting assembly comprises an arc-shaped groove 15 formed on the inner sides of the connecting protective shell 12, the outer part of the sliding ball 20 is slidably connected in the arc-shaped groove 15, the inner part of the connecting protective shell 12 is provided with a sliding strip 14, when the sliding ball 20 is clamped into the arc-shaped groove 15, the shell 13 can be limited, preventing the shell 13 from shaking or moving during the working process, ensuring the stability and accuracy of the sampling drill bit 11, the outer part of the shell 13 is provided with a sliding groove 18, the outer part of the shell 13 is fixedly connected with the sampling drill bit 11, the outer part of the sliding strip 14 is slidably connected to the inner side of the sliding groove 18, the sliding groove 18 and the sliding strip 14 provide a guide for the sliding of the shell 13, ensuring that the shell 13 can move in the correct direction when being inserted into or pulled out of the connecting protective shell 12, and also ensuring the connection accuracy between the shell 13 and the connecting protective shell 12, when the shell 13 is inserted into the connecting protective shell 12, the sliding ball 20 is pressed by the inner wall of the connecting protective shell 12, the compression spring 16 is compressed, and the sliding ball 20 is retracted inwardly, when the shell 13 is in place, the sliding ball 20 is aligned with the arc-shaped groove 15, the compression spring 16 releases the elastic force, and the sliding ball 20 is clamped into the arc-shaped groove 15, realizing the quick locking of the shell 13 and the connecting protective shell 12.
[0035] Referring to Figures 2 to 4 The sampling mechanism comprises a cylinder 2, the bottom of the cylinder 2 is fixedly connected to the top of the sliding pipe 5, the driving end of the cylinder 2 is fixedly connected with a motor 3, the cylinder 2 is used to provide the power of linear motion, pushing the motor 3 and the components connected thereto to move up and down through the telescopic action, the outer part of the motor 3 is slidably connected to the inner part of the sliding pipe 5, the driving end of the motor 3 is fixedly connected with a connecting plate 4, the outer part of the connecting plate 4 is rotatably connected to the inner part of the sliding pipe 5, the bottom of the connecting plate 4 is fixedly connected with a pushing screw rod 6, the bottom of the pushing screw rod 6 is rotatably connected to the inner wall of the lower end of the sampling drill bit 11, the motor 3 provides the rotating power for the sampling drill bit 11, through high-speed rotation, the sampling drill bit 11 can cut the material, and at the same time drives the pushing screw rod 6 to rotate, the connecting plate 4 transmits the rotating power of the motor 3 to the pushing screw rod 6, so as to obtain the required sample, the sample cut by the sampling drill bit 11 is transported from the inside of the drill bit to the inside of the sliding pipe 5, and finally discharged through the sample outlet 8, the positioning assembly comprises a sliding groove 9 formed on the outer part of the support connecting pipe 1, the temple part of the sliding groove 9 is slidably connected with a fixing ring 10, the position of the device is adjusted by sliding the fixing ring 10, so as to accurately align the sampling position.
[0036] Working principle: take the need corresponding specification sampling drill bit 11, its upper end fixed shell 13 is aligned with the support connecting pipe 1 bottom connecting protection shell 12 insertion, along the connecting protection shell 12 inside slide 14 slide in the inside of slide groove two 18, the vertical insertion of shell 13 in connecting protection shell 12, the sliding ball 20 on both sides of shell 13 is first extruded by the inner wall of connecting protection shell 12, the compression spring 16 between compression plate two 19 and fixed limit plate 17 is compressed, make sliding ball 20 retract inward, when shell 13 is in place, sliding ball 20 is clamped into the arc groove 15 of the inner wall of connecting protection shell 12, the compression spring 16 releases the elastic force please with sliding ball 20 and connecting protection shell 12 fixed, complete quick locking, when need to replace sampling drill bit 11, just press the top of shell 13, make sliding ball 20 again compression spring 16 and disengage from the arc groove 15, can pull out the old drill bit, insert new drill bit.
[0037] The fixed ring 10 on the slide groove one 9 outside the support connecting pipe 1 slides up and down, the fixed ring 10 is used to determine the working plane to facilitate sampling, holding the hand 7 outside the sliding tube 5, aligning the sampling drill bit 11 with the material to be sampled position, pushing the motor 3 along the inside of the sliding tube 5 downward through the cylinder 2, at the same time, pushing the support connecting pipe 1 and the sampling drill bit 11 downward, at the same time, the connecting plate one 4 of the motor 3 drives the push screw 6 to rotate, the push screw 6 rotates with the motor 3 at high speed, transporting the sample to the inside of the sliding tube 5, and then outputting from the sample outlet 8, the motor 3 drives the sampling drill bit 11 to drill the material, and the cylindrical sample core generated by cutting is rolled into the inside of the drill bit.
[0038] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A multi-specimen drill bit quick-change sampling device for material analysis, comprising a support connecting pipe (1), characterized in that: The outer part of the supporting connecting pipe (1) is slidably connected with a sliding pipe (5), the top of the sliding pipe (5) is fixedly connected with a sampling mechanism, the bottom of the supporting connecting pipe (1) is fixedly connected with a plurality of quick release mechanisms, the outer part of the supporting connecting pipe (1) is slidably connected with a positioning assembly for assisting positioning, the outer part of the sliding pipe (5) is provided with a hand (7), and the outer part of the sliding pipe (5) is provided with a sample outlet (8). The quick release mechanism comprises a connecting protection shell (12), the inner part of the connecting protection shell (12) is fixedly connected to the inner side of the bottom of the supporting connecting pipe (1), the inner part of the connecting protection shell (12) is slidably connected with a shell (13), the inner part of the connecting protection shell (12) is fixedly connected with a limiting assembly, the two sides of the shell (13) are slidably connected with a plurality of sliding balls (20), one side of the sliding ball (20) is fixedly connected with a connecting plate two (19), the inner part of the shell (13) is provided with a fixed limiting plate (17), and the connecting plate two (19) and the fixed limiting plate (17) are sleeved with a compression spring (16).
2. The multi-specimen drill bit quick-change sampling device for material analysis according to claim 1, characterized in that: The sampling mechanism comprises a gas cylinder (2), the bottom of the gas cylinder (2) is fixedly connected to the top of the sliding pipe (5), the driving end of the gas cylinder (2) is fixedly connected with a motor (3), and the outer part of the motor (3) is slidably connected in the inner part of the sliding pipe (5).
3. The multi-specimen drill bit quick-change sampling device for material analysis according to claim 2, characterized in that: The limiting assembly comprises an arc-shaped groove (15), the arc-shaped groove (15) is arranged in the inner part of the connecting protection shell (12), and the outer part of the sliding ball (20) is slidably connected in the inner part of the arc-shaped groove (15).
4. The multi-specimen drill bit quick-change sampling device for material analysis of claim 3, wherein: The inner part of the connecting protection shell (12) is provided with a sliding strip (14), and the outer part of the shell (13) is provided with a sliding groove two (18).
5. The multi-specimen drill bit quick-change sampling device for material analysis of claim 4, wherein: The outer part of the shell (13) is fixedly connected with a sampling drill bit (11), and the outer part of the sliding strip (14) is slidably connected to the inner side of the sliding groove two (18).
6. The multi-specimen drill bit quick-change sampling device for material analysis of claim 5, wherein: The driving end of the motor (3) is fixedly connected with a connecting plate one (4), and the outer part of the connecting plate one (4) is rotatably connected in the inner part of the sliding pipe (5).
7. The multi-specimen drill bit quick-change sampling device for material analysis of claim 6, wherein: The bottom of the connecting plate one (4) is fixedly connected with a push screw rod (6), and the bottom of the push screw rod (6) is rotatably connected to the lower end inner wall of the sampling drill bit (11).
8. The multi-specimen drill bit quick-change sampling device for material analysis of claim 1, wherein: The positioning assembly comprises a sliding groove one (9), the sliding groove one (9) is arranged in the outer part of the supporting connecting pipe (1), and the temple of the sliding groove one (9) is slidably connected with a fixed ring (10).