Multi-point linkage clamping mechanism and machining equipment
By designing a multi-point connecting clamping mechanism, the synchronous movement of the guide assembly and connecting parts is solved, and the existing multi-point clamping equipment is large in size, high in cost and complex in operation is achieved, miniaturized, low-cost and efficient multi-point clamping effect is achieved.
Patent Information
- Application Number
- CN202420698816.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-07
AI Technical Summary
Existing multi-point clamping equipment is difficult to achieve miniaturization and structural simplification, resulting in large size, high cost, complex operation and difficult to adapt to small components of different shapes and sizes.
A multi-point connecting clamping mechanism is designed to realize multi-point clamping of components through the cooperation of the first and second guide components on the bottom plate, the connecting mechanism and the housing. The mechanism requires only one power source to achieve multi-point clamping, ensuring the stability and accuracy of clamping through the synchronous movement of the guide assembly and the connecting member.
It achieves smaller volume, lower production processing costs, simpler operation and more stable clamping and fixing effects, and is suitable for small components of different shapes and sizes.
Smart Images

Figure CN222741228U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamping, in particular to a multi-point linkage clamping mechanism and processing equipment. Background Art
[0002] In modern industrial production, the design and application of clamping mechanisms are crucial to ensure processing accuracy and efficiency. With the development of science and technology and the advancement of production processes, the requirements for clamping mechanisms are becoming higher and higher. Especially for small components, which are characterized by being small and delicate, the requirements for clamping force are more stringent. Once the clamping is improper, it is easy to cause component damage or reduced processing accuracy.
[0003] In the existing clamping mechanism design, in order to meet the clamping needs of small components, a multi-clamping point method is usually adopted. This design can ensure the stability of clamping to a certain extent, but it also brings many problems. First, multiple clamping points require multiple drive sources, which not only increases the complexity of the equipment, but also increases the cost. Secondly, the design of multiple clamping points often increases the size of the equipment, which is an important limiting factor for working environments with limited space. In addition, the operation of multiple clamping points is also more complicated and requires a more sophisticated control system, which also requires higher skills for the operator.
[0004] Especially for small components with curved surfaces or special-shaped structures, traditional clamping methods often have difficulty in providing uniform clamping force, which may cause the components to shift or deform during processing, affecting the processing quality. Therefore, how to design a clamping mechanism that can ensure clamping stability and adapt to small components of different shapes and sizes has become an important challenge facing the current manufacturing industry. Summary of the invention
[0005] Therefore, the technical problem to be solved by the utility model is to overcome the problem that multi-point clamping equipment in the prior art is difficult to achieve miniaturization and has a complex structure, and to provide a multi-point linkage clamping mechanism and processing equipment.
[0006] In order to solve the above technical problems, the utility model provides a multi-point linkage clamping mechanism, which includes: a bottom plate, a first guide assembly and a second guide assembly are provided on the bottom plate, wherein the first guide assembly extends along the first direction, and the second guide assembly extends along the second direction; a linkage mechanism, wherein the linkage mechanism includes a first moving assembly, a second moving assembly and a linkage member, wherein the first moving assembly is slidably connected to the first guide assembly, the linkage member is connected to the first moving assembly and moves synchronously therewith, the linkage member includes a guide portion, the guide portion is provided with a guide slope, the second moving assembly is slidably connected to the linkage member, and moves in contact with the guide slope so that the first moving assembly and the second moving assembly are relatively close to / away from each other; a shell, the shell is connected to the bottom plate, and the linkage mechanism is connected to the inside of the shell, the shell includes a top plate, two avoidance grooves and at least one limit block are provided on the top plate, the first moving assembly and the second moving assembly are respectively provided with two avoidance grooves to the outside of the shell, and the first moving assembly, the second moving assembly and at least one limit block are not located on the same straight line.
[0007] In one embodiment of the utility model, the linkage also includes a connecting portion, which extends along a first direction, one end of which is connected to the first moving component, and the other end is connected to the guide portion, and the guide portion extends obliquely toward the second moving component in a direction away from the first moving component.
[0008] In one embodiment of the utility model, the first moving assembly includes a first fixed block, a first guide rod and a first extrusion block, the first fixed block is connected to the base plate, the first extrusion block is connected to the first guide assembly, one end of the first guide rod is connected to the first extrusion block, and the other end is passed through the first fixed block, and the first extrusion block and the first guide rod move synchronously.
[0009] In one embodiment of the present invention, the first moving assembly further includes an adjusting member, which is located outside the housing and connected to the first guide rod. The adjusting member rotates around a rotation center line to drive the first guide rod.
[0010] In one embodiment of the utility model, the second movable assembly includes a second fixed block, a second guide rod and a second extrusion block, the second fixed block is connected to the base plate, the second extrusion block is connected to the second guide assembly, one end of the second guide rod is connected to the second extrusion block, and the other end is penetrated by the second fixed block, and the second extrusion block and the second guide rod move synchronously.
[0011] In one embodiment of the present invention, the second moving assembly further comprises a pulley, which is connected to the second extrusion block and rolls to fit the linkage to move.
[0012] In one embodiment of the utility model, the first guide assembly includes a first guide rail and a first slider, the first guide rail extends along the first direction, the first slider is slidably connected to the first guide rail, and the first movable assembly is connected to the first slider; the second guide assembly includes a second guide rail and a second slider, the second guide rail extends along the second direction, the second slider is slidably connected to the second guide rail, and the second movable assembly is connected to the second slider.
[0013] In one embodiment of the utility model, the shell further includes side panels, which are arranged around the top panel and connected to the bottom panel, and the top panel, the side panels and the bottom panel jointly enclose a moving space, and the linkage mechanism is arranged in the moving space.
[0014] In one embodiment of the utility model, the side plate is provided with an installation opening communicating with the inside and outside of the moving space, and the first moving component is externally connected to a driving element through the installation opening.
[0015] The utility model also provides a processing device, which comprises the above-mentioned multi-point linkage clamping mechanism.
[0016] The above technical solution of the utility model has the following advantages compared with the prior art:
[0017] The multi-point linkage clamping mechanism and processing equipment described in the utility model, under the guiding action of the first guide component and the second guide component, realize the clamping and fixing of the component through the cooperation between the linkage component and at least one limit block. The present application can realize the multi-point clamping operation of the clamped component with only one power source. Compared with conventional clamping equipment, the present application has a smaller volume, lower production and processing costs, simpler operation process and more stable clamping and fixing effect. It is a new clamping mechanism and equipment with broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.
[0019] Figure 1 It is a three-dimensional structural schematic diagram of a multi-point linkage clamping mechanism in a preferred embodiment of the utility model;
[0020] Figure 2 yes Figure 1 The structural schematic diagram of the linkage mechanism and the bottom plate in the multi-point linkage clamping mechanism shown;
[0021] Figure 3 yes Figure 1 The schematic diagram of the structure of the bottom plate in the multi-point linkage clamping mechanism is shown.
[0022] Description of the reference numerals in the specification: 100, bottom plate; 110, first guide assembly; 111, first guide rail; 112, first slider; 120, second guide assembly; 121, second guide rail; 122, second slider; 200, linkage mechanism; 210, first moving assembly; 211, first fixed block; 212, adjusting member; 213, first guide rod; 214, first extrusion block; 2141, first mounting portion; 2142, first extrusion portion; 220, second moving assembly; 221, second fixed block; 222, second guide rod; 223, second extrusion block; 2231, second mounting portion; 2232, second extrusion portion; 224, pulley; 230, linkage; 231, connecting portion; 232, guide portion; 300, housing; 310, top plate; 311, limit block; 320, side plate; 1001, rotation center line; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION
[0023] The embodiment provides a multi-point linkage clamping mechanism, which includes: a base plate 100, on which a first guide assembly 110 and a second guide assembly 120 are provided, wherein the first guide assembly 110 extends along a first direction X, and the second guide assembly 120 extends along a second direction Y; a linkage mechanism 200, wherein the linkage mechanism 200 includes a first moving assembly, a second moving assembly 220 and a linkage member 230, wherein the first moving assembly 210 is slidably connected to the first guide assembly 110, the linkage member 230 is connected to the first moving assembly 210 and moves synchronously therewith, the linkage member 230 includes a guide portion 232, the guide portion 232 is provided with a guide slope, and the second moving assembly 220 is provided with a guide slope. The component 220 is slidably connected to the linkage 230 and moves in accordance with the guide slope so that the first movable component 210 and the second movable component 220 are relatively close to / far away from each other; the shell 300, the shell 300 is connected to the bottom plate 100, and the linkage mechanism 200 is connected to the inside of the shell 300, the shell 300 includes a top plate 310, and the top plate 310 is provided with two avoidance grooves and at least one limit block 311, the first movable component 210 and the second movable component 220 are respectively provided with two avoidance grooves to the outside of the shell 300, and the first movable component 210, the second movable component 220 and at least one limit block 311 are not located on the same straight line.
[0024] The multi-point linkage clamping mechanism and processing equipment described in the utility model, under the guiding action of the first guide component 110 and the second guide component 120, realizes the clamping and fixing of the component through the cooperation between the linkage component and at least one limit block 311. The present application can realize the multi-point clamping operation of the clamped component with only one power source. Compared with conventional clamping equipment, the present application has a smaller volume, lower production and processing costs, simpler operation process and more stable clamping and fixing effect. It is a new clamping mechanism and equipment with broad application prospects.
[0025] For ease of description, in this embodiment, the moving direction of the first moving component 210 is defined as a first direction X, the moving direction of the second moving component 220 is defined as a second direction Y, and the height direction of the clamping mechanism is defined as a third direction Z, wherein the first direction X, the second direction Y, and the third direction Z are perpendicular to each other, and the first direction X and the second direction Y are located in the same horizontal plane.
[0026] See also Figures 1 to 3 As shown, in this embodiment, the bottom plate 100 is preferably a rectangular flat plate, and its upper surface is used to install and fix the linkage mechanism 200 and the housing 300. Further, the bottom plate 100 in this embodiment is provided with a plurality of threaded holes for installation, and screws can be used to connect the above mechanisms through the corresponding threaded holes. Further, the first guide assembly 110 includes a first guide rail 111 and a first slider 112, the first guide rail 111 extends along the first direction X, the first slider 112 is slidably connected to the first guide rail 111, and the first moving assembly 210 is connected to the first slider 112; the second guide assembly 120 includes a second guide rail 121 and a second slider 122, the second guide rail 121 extends along the second direction Y, the second slider 122 is slidably connected to the second guide rail 121, and the second moving assembly 220 is connected to the second slider 122. Specifically, the first slider 112 and the second slider 122 in this embodiment are respectively engaged with the corresponding first guide rail 111 and the second guide rail 121. In other embodiments, the first guide assembly 110 and the second guide assembly 120 can also achieve the sliding guiding effect on the first movable assembly 210 and the second movable assembly 220 in other ways, and the utility model does not impose any specific restrictions on this.
[0027] In this embodiment, the first moving mechanism is connected to an external power source, which is used to drive and fix while providing driving force for the overall clamping action of the device. Further, the first moving assembly 210 includes a first fixed block 211, a first guide rod 213 and a first extrusion block 214, the first fixed block 211 is connected to the bottom plate 100, the first extrusion block 214 is connected to the first guide assembly 110, one end of the first guide rod 213 is connected to the first extrusion block 214, and the other end is penetrated by the first fixed block 211, and the first extrusion block 214 and the first guide rod 213 move synchronously. Among them, the first fixed block 211 is fixedly set on one side edge of the base plate 100, and is used to limit the moving direction of the first guide rod 213; the first guide rod 213 is used to connect the first extrusion block 214 and the external power source; the first extrusion block 214 is used to directly extrude and clamp the element to be clamped. Furthermore, the first extrusion block 214 in this embodiment includes a first mounting portion 2141 and a first extrusion portion 2142 that are vertically connected to each other. Thus, the first extrusion block 214 as a whole is an "L"-shaped element, wherein the first mounting portion 2141 is used to connect the first guide rod 213, and the first extrusion portion 2142 is penetrated along the third direction Z to the outside of the shell 300 to contact and extrude the element to be clamped located outside the shell 300.
[0028] Furthermore, the first moving assembly 210 further includes an adjusting member 212, which is actually an external power source in this embodiment. The operator drives the movement of the first moving assembly 210 through the adjusting member 212. Specifically, the adjusting member 212 is located outside the housing 300 and is connected to the first guide rod 213. The adjusting member 212 rotates around the rotation center line 1001 to drive the first guide rod 213. Furthermore, when the adjusting member 212 moves along the rotation center line 1001, the adjusting member 212 moves along the rotation center line 1001. Figure 2 When the adjusting member 212 rotates counterclockwise around the rotation center line 1001 in the direction shown, the end thereof can pull the first guide rod 213 to move the first extrusion block 214 in a direction away from the second moving assembly 220. Figure 2 When the rotating shaft 210 rotates clockwise around the rotation center line 1001 in the direction shown, its end can push the first guide rod 213 to move the first extruding block 214 toward the second moving assembly 220 .
[0029] Correspondingly, the second moving assembly 220 includes a second fixed block 221, a second guide rod 222 and a second extrusion block 223. The second fixed block 221 is connected to the base plate 100, the second extrusion block 223 is connected to the second guide assembly 120, one end of the second guide rod 222 is connected to the second extrusion block 223, and the other end is penetrated by the second fixed block 221. The second extrusion block 223 and the second guide rod 222 move synchronously. Among them, the second fixed block 221 is fixedly arranged on one side edge of the bottom plate 100, which is used to limit the moving direction of the second guide rod 222; the second guide rod 222 is used to connect the second extrusion block 223 and the external power source; the second extrusion block 223 is used to directly extrude and clamp the element to be clamped. Further, the second extrusion block 223 in this embodiment includes a second mounting portion 2231 and a second extrusion portion 2232 that are vertically connected to each other, so that the second extrusion block 223 as a whole is two "L"-shaped elements, wherein the second mounting portion 2231 is used to connect the second guide rod 222, and the second extrusion portion 2232 is penetrated to the outside of the shell 300 along the third direction Z to contact and extrude the element to be clamped located outside the shell 300. In this embodiment, the first guide rod 213 and the second guide rod 222 are both set to two. In other embodiments, the number of the first guide rod 213 and / or the second guide rod 222 can be adjusted according to actual use requirements.
[0030] Furthermore, the second moving assembly 220 further includes a pulley 224, which is connected to the second extrusion block 223 and rolls to fit the movement of the linkage 230. Based on the arrangement of the pulley 224, the present application can minimize the friction between the second extrusion block 223 and the linkage 230, thereby improving the sensitivity of the mechanism and the extrusion effect.
[0031] See also Figure 2 and Figure 3 As shown, the linkage 230 further includes a connecting portion 231, which extends along the first direction X, one end of which is connected to the first moving assembly 210, and the other end of which is connected to the guide portion 232, and in the direction away from the first moving assembly 210, the guide portion extends obliquely toward the second moving assembly 220. When the first moving assembly 210 moves, the linkage 230 can move synchronously therewith, and accordingly, its guide portion can guide and drive the moving direction of the second moving assembly 220 through the roller, thereby achieving a synchronous linkage effect between the first moving assembly 210 and the second moving assembly 220.
[0032] See also Figure 1As shown, the housing 300 further includes a side plate 320, which is arranged around the top plate 310 and connected to the bottom plate 100. The top plate 310, the side plate 320 and the bottom plate 100 jointly enclose a moving space, and the linkage mechanism 200 is arranged in the moving space. In this embodiment, the length of the avoidance groove on the top plate 310 for the first moving component 210 to pass through in the first direction X needs to be no less than the upper limit of the moving distance of the first moving component 210, and the length of the avoidance groove on the top plate 310 for the second moving component 220 to pass through in the second direction Y needs to be no less than the upper limit of the moving distance of the second moving component 220.
[0033] Furthermore, the side plate 320 is provided with an installation opening communicating with the inside and outside of the moving space, and the first moving assembly 210 is connected to an external driving element through the installation opening. In this embodiment, the installation opening is arranged at a position corresponding to the adjusting member 212, and the driving element in this embodiment is the adjusting member.
[0034] In this embodiment, there are two limit blocks 311 on the top plate 310. The positions of the two limit blocks 311 are fixed. They, together with the first extrusion block 214 and the second extrusion block 223, enclose a clamping space, and the clamping element can be clamped in this clamping space. Furthermore, in this embodiment, the two limit blocks 311, the first extrusion block 214 and the second extrusion block 223 are respectively arranged in four directions of the clamping space, so that the clamping element can be squeezed and clamped at four points. In other embodiments, the number and connection position of the limit blocks 311 can be adjusted according to actual use requirements, and the utility model does not impose specific restrictions on this.
[0035] Embodiment 2
[0036] This embodiment provides a processing device, which includes the multi-point linkage clamping mechanism described in the first embodiment.
[0037] In summary, the multi-point linkage clamping mechanism and processing equipment described in the utility model, under the guiding action of the first guide component 110 and the second guide component 120, realizes the clamping and fixing of the component through the cooperation between the linkage component and at least one limit block 311. The present application can realize the multi-point clamping operation of the clamped component with only one power source. Compared with conventional clamping equipment, the present application has a smaller volume, lower production and processing costs, simpler operation process and more stable clamping and fixing effect. It is a new clamping mechanism and equipment with broad application prospects.
[0038] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.
Claims
1. A multi-point linkage clamping mechanism, characterized in that: include: A bottom plate, wherein a first guide assembly and a second guide assembly are provided on the bottom plate, wherein the first guide assembly extends along a first direction, and the second guide assembly extends along a second direction; A linkage mechanism, the linkage mechanism comprising a first moving assembly, a second moving assembly and a linkage, wherein the first moving assembly is slidably connected to the first guide assembly, the linkage is connected to the first moving assembly and moves synchronously therewith, the linkage comprises a guide portion, the guide portion is provided with a guide slope, the second moving assembly is slidably connected to the linkage and moves in contact with the guide slope, so that the first moving assembly and the second moving assembly are relatively close to / away from each other; The shell is connected to the bottom plate, and the linkage mechanism is connected to the inside of the shell. The shell includes a top plate, and the top plate is provided with two avoidance grooves and at least one limit block. The first moving component and the second moving component are respectively provided with two avoidance grooves to the outside of the shell, and the first moving component, the second moving component and at least one limit block are not located on the same straight line.
2. The multi-point linkage clamping mechanism according to claim 1, characterized in that: The linkage also includes a connecting portion extending along a first direction, one end of which is connected to the first moving component, and the other end is connected to the guide portion. In a direction away from the first moving component, the guide portion extends obliquely toward the second moving component.
3. The multi-point linkage clamping mechanism according to claim 1, characterized in that: The first moving component includes a first fixed block, a first guide rod and a first extrusion block, the first fixed block is connected to the base plate, the first extrusion block is connected to the first guide component, one end of the first guide rod is connected to the first extrusion block, and the other end passes through the first fixed block, and the first extrusion block and the first guide rod move synchronously.
4. The multi-point linkage clamping mechanism according to claim 3 is characterized in that: The first moving assembly further includes an adjusting member, which is located outside the housing and connected to the first guide rod. The adjusting member rotates around a rotation center line to drive the first guide rod.
5. The multi-point linkage clamping mechanism according to claim 1, characterized in that: The second moving assembly includes a second fixed block, a second guide rod and a second extrusion block, the second fixed block is connected to the base plate, the second extrusion block is connected to the second guide assembly, one end of the second guide rod is connected to the second extrusion block, and the other end is penetrated by the second fixed block, and the second extrusion block and the second guide rod move synchronously.
6. The multi-point linkage clamping mechanism according to claim 5, characterized in that: The second moving component also includes a pulley, which is connected to the second extrusion block and rolls to fit the linkage to move.
7. The multi-point linkage clamping mechanism according to claim 1, characterized in that: The first guide assembly includes a first guide rail and a first slider, the first guide rail extends along the first direction, the first slider is slidably connected to the first guide rail, and the first movable assembly is connected to the first slider; the second guide assembly includes a second guide rail and a second slider, the second guide rail extends along the second direction, the second slider is slidably connected to the second guide rail, and the second movable assembly is connected to the second slider.
8. The multi-point linkage clamping mechanism according to claim 1, characterized in that: The shell also includes side plates, which are arranged around the top plate and connected to the bottom plate. The top plate, the side plates and the bottom plate jointly enclose a moving space, and the linkage mechanism is arranged in the moving space.
9. The multi-point linkage clamping mechanism according to claim 8, characterized in that: The side plate is provided with an installation opening communicating with the inside and outside of the moving space, and the first moving component is externally connected to a driving element through the installation opening.
10. A processing equipment, characterized in that: It comprises the multi-point linkage clamping mechanism as described in any one of claims 1 to 9.