Special base for laboratory mechanical arm
By designing the support base, control panel, and drive components, the high cost and transmission limitations of the laboratory robotic arm base were solved, enabling low-cost, convenient adsorption and multi-stage reduction transmission, and satisfying the flexible angle adjustment of the robotic arm.
Patent Information
- Application Number
- CN202520627298.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing laboratory robotic arm bases are costly to use, cannot be easily manually attached and secured, and cannot perform multi-stage speed reduction transmission, thus limiting the robotic arm's angle-changing requirements.
A base comprising a support, control panel, drive assembly, and anti-detachment assembly was designed, which utilizes a motor-driven multi-stage gear transmission and a manually operated auxiliary suction cup to achieve stable adsorption and flexible angle adjustment.
It reduces the cost of use, enables convenient manual adsorption reinforcement and multi-stage speed reduction transmission, and meets the flexible angle change requirements of the robotic arm.
Smart Images

Figure CN223947912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical arm accessory technical field especially a special base of laboratory mechanical arm. BACKGROUND
[0002] In the laboratory, the mechanical arm is widely used, and it can perform high-precision operations such as pipetting, sample processing and reagent dispensing, replacing manual operation and reducing human errors. In order to provide stability and support, a mechanical arm is generally supported by a mounting base.
[0003] After searching, the announcement number is CN214081416U, and the name is a special base of laboratory mechanical arm, including shell assembly and support assembly. Through research and analysis, it is found that although the vacuum adsorption design is adopted, the installation range of the mechanical arm is increased, the sliding of the mechanical arm is reduced, and the installation of the laboratory mechanical arm is more convenient, but to some extent, the following shortcomings still exist.
[0004] For example, the base uses multiple hydraulic cylinders and vacuum suction cups to complete the adsorption positioning operation, the actual use cost is high, manual adsorption reinforcement operation cannot be conveniently performed, multi-stage speed reduction transmission cannot be performed, the angle change requirement of the mechanical arm cannot be well met, and there is certain limitation. In order to solve the above technical problems, we design a special base of laboratory mechanical arm. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a special base of laboratory mechanical arm, which has the advantages of low use cost and multi-stage transmission, solves the problem that the actual use cost of the base is high, manual adsorption reinforcement operation cannot be conveniently performed, multi-stage speed reduction transmission cannot be performed, the angle change requirement of the mechanical arm cannot be well met, and there is certain limitation.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a special base of laboratory mechanical arm, including support seat, the right side of support seat is fixedly installed with control panel, the top of support seat is provided with mounting seat, the inside of support seat is installed with drive assembly, drive assembly includes motor, positioning rod and movable rod, the output end of motor is fixedly sleeved with first gear, the surface of positioning rod is fixedly sleeved with second gear, the bottom of movable rod surface is fixedly sleeved with third gear, the four corners of support seat surface are installed with anti-off assembly, anti-off assembly includes convex rod and stabilizing block, the bottom of convex rod is fixedly connected with auxiliary suction cup, the top of convex rod is fixedly connected with fixed block, the surface of fixed block is installed with clamping strip, the top of stabilizing block is provided with movable plate.
[0007] Preferably, the bottom of the motor is bolted in the support base, and the upper and lower ends of the positioning rod are movably connected with the support base.
[0008] Preferably, the top of the surface of the movable rod is movably connected with the support base through a bearing, and the top of the movable rod is fixedly connected with the center of the bottom of the mounting base.
[0009] Preferably, the number of the second gears is two, and the first gear is engaged with the second gear, and the second gear is engaged with the third gear.
[0010] Preferably, a stabilizing frame is fixedly connected with the center of the inner cavity of the support base, and the connection between the movable rod and the stabilizing frame, the connection between the motor output end and the stabilizing frame, and the connection between the positioning rod and the stabilizing frame are movably connected.
[0011] Preferably, the convex rod penetrates through the support base and is in sliding contact with the support base, and the auxiliary suction disc is located at the bottom of the support base.
[0012] Preferably, a guide groove matched with the clamping strip is formed in the surface of the fixed block, and grooves matched with the movable plate are formed in the surfaces of the convex rod and the stabilizing block.
[0013] Preferably, an auxiliary seat is fixedly connected with the top of the stabilizing block, and the connection between the movable plate and the auxiliary seat and the connection between the movable plate and the clamping strip are movably connected.
[0014] Compared with the prior art, the utility model has the advantages of low use cost and multi-stage transmission.
[0015] The utility model discloses a driving assembly and a preventing falling assembly, which have the advantages of low use cost and multi-stage transmission, can rotate the movable plate manually, press the convex rod to move downwards to make the auxiliary suction disc and the placing surface adsorb stably, do not need electrical equipment intervention, and the overall use cost is lower. ACCURATE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic view of the utility model;
[0017] Figure 2 It is a bottom view of the structural view of the utility model;
[0018] Figure 3 It is a sectional three-dimensional view of the structural view of the utility model;
[0019] Figure 4 It is a sectional three-dimensional view of the support base of the utility model;
[0020] Figure 5 isometric view of the anti-disengagement assembly during installation;
[0021] Figure 6 is the utility model Figure 5 A enlarged schematic view.
[0022] In the figure: 1, support seat; 2, control panel; 3, mounting seat; 4, anti-disengagement assembly; 401, convex rod; 402, clamping strip; 403, guide groove; 404, fixed block; 405, recess; 406, movable plate; 407, stabilizing block; 408, auxiliary seat; 409, auxiliary suction cup; 5, drive assembly; 501, motor; 502, positioning rod; 503, first gear; 504, second gear; 505, movable rod; 506, third gear; 507, stabilizing frame. DETAILED DESCRIPTION
[0023] Please refer to Figures 1-6 A special base for laboratory mechanical arm, including support seat 1, the right side of support seat 1 is fixedly installed with control panel 2, the top of support seat 1 is provided with mounting seat 3, the inside of support seat 1 is installed with drive assembly 5, drive assembly 5 includes motor 501, positioning rod 502 and movable rod 505, the output end of motor 501 is fixedly sleeved with first gear 503, the surface of positioning rod 502 is fixedly sleeved with second gear 504, the bottom of the surface of movable rod 505 is fixedly sleeved with third gear 506, the four corners of the surface of support seat 1 are all installed with anti-disengagement assembly 4, anti-disengagement assembly 4 includes convex rod 401 and stabilizing block 407, by setting stabilizing block 407, the demand of auxiliary seat 408 fixed installation can be met, the bottom of convex rod 401 is fixedly connected with auxiliary suction cup 409, the top of convex rod 401 is fixedly connected with fixed block 404, by setting fixed block 404, the space demand of guide groove 403 opening can be met, the surface of fixed block 404 is fixedly sleeved with clamping strip 402, the top of stabilizing block 407 is provided with movable plate 406;
[0024] Please refer to Figure 3 and Figure 4 The bottom of motor 501 is bolted in support seat 1, and the upper and lower ends of positioning rod 502 are movably connected with support seat 1;
[0025] Please refer to Figure 3 and Figure 4 The top of the surface of movable rod 505 is movably connected with support seat 1 through a bearing, and the top of movable rod 505 is fixedly connected with the center of the bottom of mounting seat 3;
[0026] Please refer to Figure 3 and Figure 4The number of the second gear 504 is two, the first gear 503 is engaged with the second gear 504 and the second gear 504 is engaged with the third gear 506, by setting the first gear 503, the second gear 504, the positioning rod 502 and the third gear 506, the multi-stage transmission can be realized, under the driving of the motor 501, the movable rod 505 can rotate at a low speed;
[0027] Please refer to Figure 3 and Figure 4 The center of the inner cavity of the support seat 1 is fixedly connected with a stabilizing frame 507, the connection between the movable rod 505 and the stabilizing frame 507, the connection between the output end of the motor 501 and the stabilizing frame 507, and the connection between the positioning rod 502 and the stabilizing frame 507 are all movably connected, by setting the stabilizing frame 507, the motor 501 output end, the positioning rod 502 and the movable rod 505 can be positioned and installed, and the rotation stability of the first gear 503, the second gear 504 and the third gear 506 is ensured;
[0028] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 The convex rod 401 is installed through the support seat 1 and in sliding contact with the support seat 1, by setting the convex rod 401, it can be installed through the support seat 1, and the up and down displacement of the auxiliary suction cup 409 is guided, and the auxiliary suction cup 409 is located at the bottom of the support seat 1;
[0029] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 The surface of the fixed block 404 is provided with a guide groove 403 matched with the clamping strip 402, by setting the clamping strip 402 and the guide groove 403, the movable plate 406 can be displaced left and right flexibly when rotating and changing angle, the component action is smooth, the convex rod 401 is driven to displace up and down, the surfaces of the convex rod 401 and the stabilizing block 407 are provided with a groove 405 matched with the movable plate 406, by setting the groove 405, the rotating space requirement of the movable plate 406 can be met;
[0030] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 The top of the stabilizing block 407 is fixedly connected with an auxiliary seat 408, the connection between the movable plate 406 and the auxiliary seat 408 and the connection between the movable plate 406 and the clamping strip 402 are movably connected, by setting the auxiliary seat 408, the rotation of the movable plate 406 can be positioned.
[0031] In use, each component is in the initial state, first the support seat 1 is placed in the appropriate position, then the outer end of the movable plate 406 is driven to rotate upward, under the positioning action of the auxiliary seat 408, the inner end of the movable plate 406 drives the clamping strip 402 to rotate downward, the clamping strip 402 slides in the guide groove 403, the convex rod 401 is gradually pressed downward, so that the auxiliary suction cup 409 is adsorbed with the placement surface, and stable placement is completed; when it is necessary to adjust the angle at which the mounting seat 3 is located, the motor 501 is controlled to work, the first gear 503 is driven to rotate, the second gear 504 below is engaged to drive, and then one-stage speed reduction transmission is realized, the positioning rod 502 rotates, the second gear 504 above rotates, the third gear 506 is engaged to drive, two-stage speed reduction transmission is realized, and the movable rod 505 rotates to adjust the position of the mounting seat 3, which is more in line with the actual use requirement.
[0032] To sum up, the special base of the laboratory mechanical arm solves the problems of high actual use cost, inconvenient manual adsorption and reinforcement operation, and inability to realize multi-stage speed reduction transmission and meet the angle change requirement of the mechanical arm, thereby overcoming the certain limitation.
Claims
1. A dedicated base for laboratory robotic arms, comprising a support base (1), characterized in that: The right side of the support seat (1) is fixedly installed with a control panel (2), the top of the support seat (1) is provided with a mounting seat (3), and the inside of the support seat (1) is installed with a driving assembly (5); the driving assembly (5) comprises a motor (501), a positioning rod (502) and a movable rod (505); the output end of the motor (501) is fixedly sleeved with a first gear (503); the surface of the positioning rod (502) is fixedly sleeved with a second gear (504); the surface of the movable rod (505) is fixedly sleeved with a third gear (506) at the bottom; the four corners of the surface of the support seat (1) are installed with anti-dropping assemblies (4); the anti-dropping assemblies (4) comprise convex rods (401) and stabilizing blocks (407); the bottom of the convex rod (401) is fixedly connected with an auxiliary suction cup (409); the top of the convex rod (401) is fixedly connected with a fixed block (404); the surface of the fixed block (404) is penetratedly installed with a clamping strip (402); and the top of the stabilizing block (407) is provided with a movable plate (406).
2. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The bottom of the motor (501) is bolted in the support seat (1), and the upper and lower ends of the positioning rod (502) are movably connected with the support seat (1).
3. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The top of the surface of the movable rod (505) is movably connected with the support seat (1) through a bearing, and the top of the movable rod (505) is fixedly connected with the center of the bottom of the mounting seat (3).
4. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The number of the second gears (504) is two, and the first gear (503) is engaged with the second gears (504), and the second gears (504) are engaged with the third gears (506).
5. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The center of the inner cavity of the support seat (1) is fixedly connected with a stabilizing frame (507), and the connection portions of the movable rod (505), the motor (501) and the positioning rod (502) with the stabilizing frame (507) are movably connected.
6. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The convex rod (401) is penetratedly installed on the support seat (1) and is in sliding contact with the support seat (1), and the auxiliary suction cup (409) is located at the bottom of the support seat (1).
7. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The surface of the fixed block (404) is provided with a guide groove (403) matched with the clamping strip (402), and the surfaces of the convex rod (401) and the stabilizing block (407) are provided with grooves (405) matched with the movable plate (406).
8. A dedicated base for a laboratory robot arm according to claim 1, characterized in that: The top of the stabilizing block (407) is fixedly connected with an auxiliary seat (408), and the connection portions of the movable plate (406) and the clamping strip (402) with the auxiliary seat (408) are movably connected.
Citation Information
Patent Citations
Special base for laboratory mechanical arm
CN214081416U