Trundle positioning mechanism

Abstract

The utility model provides a caster positioning mechanism which comprises a base, a motor and a positioning clamping structure, side supporting plates are fixed to the left portion and the right portion of the upper end face of the base respectively, linear guide rails are arranged on the inner side faces of the side supporting plates, a fixing sleeve is arranged outside the motor in a sleeved mode, and a rotating shaft is installed at the front end of the motor. The rotating shaft is fixed to the middle of the front mounting plate, side fixing plates are fixed to the left end and the right end of the front mounting plate, a plurality of telescopic air cylinders are mounted in the side fixing plates, the front ends of the telescopic air cylinders are fixed to the outsides of the positioning clamping structures, and trundles are clamped between the two positioning clamping structures on the left side and the right side. The middle of the upper end face of the base is provided with a plurality of sets, and the upper ends of the bases abut against the lower buffer plate. According to the trundle clamping device, the trundle can be conveniently and stably positioned and clamped, flexible lifting and overturning movement can be achieved, the trundle is driven to be flexibly and stably assembled, rapidness and high efficiency are achieved, and the trundle assembling work efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning mechanisms, in particular to a caster positioning mechanism. Background Art

[0002] Casters is a general term, including movable casters, fixed casters and movable casters with brakes. Movable casters are what we call universal wheels, and their structure allows degree of rotation. Fixed casters are also called fixed casters, which have no rotating structure and cannot turn. Usually the two types of casters are generally used in combination, and a positioning mechanism is required during the production and assembly of casters.

[0003] In the manual of a positioning mechanism for caster assembly in the prior art (publication number CN216328140U), it is mentioned that "a workbench is fixedly connected to the top of the base, the interior of the base is a hollow structure, a lifting box is fixedly connected to the interior of the base, a support rod is sleeved and connected to the interior of the lifting box, the top of the support rod passes through the workbench and is fixedly connected to a support plate, the support plate is an L-shaped structure, a servo motor is fixedly connected to one side of the support plate, a rotating shaft is fixedly connected to the output end of the servo motor, and a metal frame is fixedly connected to the end of the rotating shaft". However, the caster positioning clamp in the prior art cannot be flipped for assembly, and it is inconvenient to appropriately adjust the assembly height, and it is not flexible and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, a caster positioning mechanism is now provided to solve the problems in the prior art that the caster positioning clamp cannot be turned over for assembly, is inconvenient to properly adjust the assembly height, and is not flexible and practical.

[0005] To achieve the above-mentioned purpose, a caster positioning mechanism is provided, including a base, a motor and a positioning clamping structure, side support plates are fixed to the left and right parts of the upper end surface of the base, and linear guide rails are arranged on the inner side surfaces of the side support plates, a fixing sleeve is arranged on the outer sleeve of the motor, and a rotating shaft is installed on the front end of the motor, the rotating shaft is fixed to the middle part of the front mounting plate, and side fixing plates are fixed to the left and right ends of the front mounting plate, multiple groups of telescopic cylinders are installed in the side fixing plates, and the front ends of the telescopic cylinders are fixed outside the positioning clamping structure, and the casters are clamped between the two groups of positioning clamping structures on the left and right sides.

[0006] Furthermore, a plurality of groups of first springs are arranged in the middle of the upper end surface of the base, and the upper ends of the first springs are pressed under the lower buffer plate.

[0007] Furthermore, side sliding blocks are provided on both the left and right sides of the fixed sleeve, and each group of side sliding blocks slides on the linear guide rail.

[0008] Furthermore, four groups of rear through holes are opened at the rear of the positioning clamping structure, and a group of positioning rods are sleeved in each group of rear through holes, and rear fixing blocks are fixed to the rear ends of the positioning rods.

[0009] Furthermore, a second spring is disposed on the front outer shell of the positioning rod, and both the positioning rod and the second spring are located in the movable groove, and the front side of the movable groove is open.

[0010] Furthermore, the front end of the positioning rod is fixed to the rear of the clamping claw, and the clamping claw is made of silicone rubber, and the left and right parts of the clamping claw are protruding.

[0011] The beneficial effects of the utility model are:

[0012] 1. The lower buffer plate and the middle buffer plate of the utility model are provided to buffer the motor when it moves down to a low position, so as to avoid collision with the upper end surface of the base, and the use is safer and more reliable.

[0013] 2. The utility model is slidably connected to the linear guide rail through the side slider, which is convenient for driving the motor and the positioning clamping structure to rise or fall synchronously, so as to clamp the caster at a low position and then move it to a high position for rapid assembly. In addition, the rotating shaft at the front end of the motor can drive the front mounting plate to flip together when it rotates, so as to facilitate flip assembly, which is more efficient, flexible and practical.

[0014] 3. The utility model mainly utilizes the extension of the telescopic cylinder to push the positioning clamping structure to clamp on the outer side of the caster, wherein when the clamping claw is positioning and clamping the caster on the side, the positioning rod remains straight and positioned, the clamping is stable and reliable, and the spring sleeved outside the positioning rod has a stabilizing buffering effect, so that the clamping is not too loose or too tight, so as not to damage the caster, and the clamping is accurate and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view schematic diagram of an embodiment of the utility model;

[0016] Figure 2 A schematic diagram of the structure arrangement on the base of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure arrangement on the front mounting plate of an embodiment of the utility model;

[0018] Figure 4 This is a rendering of the positioning and clamping structure of an embodiment of the utility model.

[0019] In the figure: 1. base; 10. side support plate; 11. lower buffer plate; first spring 12. first spring; 13. linear guide; 2. motor; 20. fixing sleeve; 21. side slider; 22. rotating shaft; 23. front mounting plate; 24. side fixing plate; 25. telescopic cylinder; 3. positioning clamping structure; 30. rear through hole; 31. rear fixing block; 32. positioning rod; 33. second spring; 34. movable groove; 35. clamping claw; 4. caster. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0021] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0022] Figure 1 A schematic top view of an embodiment of the utility model, Figure 2 This is a schematic diagram of the structure arrangement on the base of an embodiment of the utility model. Figure 3 The schematic diagram of the structure setting on the front mounting plate of the embodiment of the utility model and Figure 4 This is a rendering of the positioning and clamping structure of an embodiment of the utility model.

[0023] Reference Figures 1 to 4 As shown, the utility model provides a caster positioning mechanism, including a base 1, a motor 2 and a positioning clamping structure 3, side support plates 10 are fixed to the left and right parts of the upper end surface of the base 1, and a linear guide rail 13 is provided on the inner side surface of the side support plate 10, a fixing sleeve 20 is arranged outside the motor 2, and a rotating shaft 22 is installed at the front end of the motor 2, the rotating shaft 22 is fixed to the middle part of the front mounting plate 23, and side fixing plates 24 are fixed to the left and right ends of the front mounting plate 23, multiple groups of telescopic cylinders 25 are installed in the side fixing plates 24, and the front ends of the telescopic cylinders 25 are fixed outside the positioning clamping structure 3, and the caster 4 is clamped between the two groups of positioning clamping structures 3 on the left and right sides.

[0024] In this embodiment, a plurality of groups of first springs 12 are disposed in the middle of the upper end surface of the base 1 , and the upper ends of the first springs 12 are pressed against the lower buffer plate 11 .

[0025] As a preferred embodiment, the lower buffer plate 11 and the first spring 12 of the utility model are provided to buffer the motor 2 when it moves down to a low position, so as to avoid collision with the upper end surface of the base 1, which is safer and more reliable to use.

[0026] In this embodiment, side sliders 21 are disposed on both the left and right sides of the fixing sleeve 20 , and each set of side sliders 21 is slidably mounted on the linear guide rail 13 .

[0027] As a preferred embodiment, the utility model is slidably connected to the linear guide rail 13 through the side slider 21, which is convenient for driving the motor 2 and the positioning clamping structure 3 to rise or fall synchronously, so as to clamp the caster 4 at a low position and then move it to a high position for rapid assembly. In addition, the rotating shaft 22 at the front end of the motor 2 can drive the front mounting plate 23 to flip together when it rotates, so as to facilitate flip assembly, which is more efficient, flexible and practical.

[0028] In this embodiment, four groups of rear through holes 30 are opened at the rear of the positioning clamping structure 3, and a group of positioning rods 32 are sleeved in each group of rear through holes 30, and a rear fixing block 31 is fixed to the rear end of the positioning rod 32; a second spring 33 is sleeved on the front outer sleeve of the positioning rod 32, and the positioning rod 32 and the second spring 33 are both located in the movable groove 34, and the front side of the movable groove 34 is open; the front end of the positioning rod 32 is fixed to the rear of the clamping claw 35, and the clamping claw 35 is made of silicone rubber, and the left and right parts of the clamping claw 35 are protruding.

[0029] As a preferred embodiment, the utility model mainly utilizes the telescopic cylinder 25 to extend and push the positioning clamping structure 3 to clamp on the outer side of the caster 4, wherein when the clamping claw 35 performs side positioning and clamping on the caster 4, the positioning rod 32 remains straight and positioned, the clamping is stable and reliable, and the second spring 33 sleeved outside the positioning rod 32 has a stabilizing and buffering effect, so that the clamping is not too loose or too tight, so as not to damage the caster 4, and the clamping is accurate and stable.

[0030] The utility model can effectively solve the problems in the prior art that the caster positioning clamp cannot be flipped for assembly, the assembly height is not convenient to adjust properly, and it is not flexible and practical. The utility model can conveniently and stably position and clamp the caster, and can flexibly lift and flip the caster, drive the caster to be assembled flexibly and stably, more quickly and efficiently, and help to improve the efficiency of caster assembly work.

[0031] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A caster positioning mechanism, characterized in that: The invention comprises a base (1), a motor (2) and a positioning clamping structure (3), wherein side support plates (10) are fixed to the left and right parts of the upper end surface of the base (1), and the inner side surface of the side support plate (10) is provided with a linear guide rail (13), a fixing sleeve (20) is arranged on the outer surface of the motor (2), and a rotating shaft (22) is installed at the front end of the motor (2), the rotating shaft (22) is fixed to the middle part of the front mounting plate (23), and side fixing plates (24) are fixed to the left and right ends of the front mounting plate (23), a plurality of groups of telescopic cylinders (25) are installed in the side fixing plates (24), and the front ends of the telescopic cylinders (25) are fixed to the outside of the positioning clamping structure (3), and casters (4) are clamped between the two groups of positioning clamping structures (3) on the left and right sides.

2. A caster positioning mechanism according to claim 1, characterized in that: A plurality of groups of first springs (12) are arranged in the middle of the upper end surface of the base (1), and the upper ends of the first springs (12) are pressed against the lower buffer plate (11).

3. A caster positioning mechanism according to claim 1, characterized in that: Side sliding blocks (21) are provided on both the left and right sides of the fixed sleeve (20), and each set of side sliding blocks (21) is slidably raised on the linear guide rail (13).

4. A caster positioning mechanism according to claim 1, characterized in that: The rear portion of the positioning clamping structure (3) is provided with four groups of rear through holes (30), and a group of positioning rods (32) is sleeved in each group of rear through holes (30), and a rear fixing block (31) is fixed to the rear end of the positioning rods (32).

5. A caster positioning mechanism according to claim 4, characterized in that: A second spring (33) is disposed on the front outer sleeve of the positioning rod (32), and both the positioning rod (32) and the second spring (33) are located in the movable groove (34), and the front side of the movable groove (34) is open.

6. A caster positioning mechanism according to claim 5, characterized in that: The front end of the positioning rod (32) is fixed to the rear of the clamping claw (35), and the clamping claw (35) is made of silicone rubber, and the left and right parts of the clamping claw (35) are protruding.

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