Multi-direction multi-axis linkage CNC clamp
By designing a multi-directional, multi-axis linkage CNC fixture, the synchronous clamping and unclamping of parts is achieved through linkage and drive mechanisms, solving the problem of low part clamping efficiency in existing technologies and improving processing efficiency.
Patent Information
- Application Number
- CN202422948729.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-30
AI Technical Summary
Existing CNC machining fixtures are inefficient when clamping multiple parts, as they cannot clamp or release all parts at the same time.
Design a multi-directional, multi-axis linkage CNC fixture, which uses a linkage mechanism to make the central shaft and crankshaft rotate synchronously in opposite directions, and drives the first and second clamping blocks to clamp or release the parts synchronously through a drive mechanism.
It enables the simultaneous clamping or releasing of all parts on the fixture, improving the clamping efficiency of parts.
Smart Images

Figure CN223572565U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of clamp, more particularly relates to a multi -direction multi -axis linkage CNC clamp. BACKGROUND
[0002] When batch parts are processed by CNC, a larger clamp is generally used, a plurality of clamping stations are arranged on the clamp, thereby a plurality of parts are clamped simultaneously at one time, and the clamping of the parts is generally driven by a cylinder, a plurality of parts are clamped simultaneously by a clamp plate, but a plurality of clamp plates need to be operated, and all the parts on the clamp cannot be clamped or released at one time, so the efficiency is low. CONTENT
[0003] In view of the defects of the prior art, the utility model provides a multi -direction multi -axis linkage CNC clamp, can clamp or release all the parts on the clamp simultaneously, improves the clamping efficiency of the parts.
[0004] To achieve the above object, the utility model provides the following technical scheme: a multi -direction multi -axis linkage CNC clamp, including the bottom plate, a plurality of positioning areas and a plurality of sets of clamping mechanisms are arranged on the bottom plate, and a plurality of positioning areas are arranged on the two sides of each set of clamping mechanisms, the clamping mechanism includes a plurality of crankshafts and a plurality of center shafts, the rotating shaft part of the crankshaft is hollow, the center shaft passes through the rotating shaft of the crankshaft, the axis of the center shaft is collinear with the axis of the crankshaft, the crank of the crankshaft is provided with the first clamping block, the center shaft is provided with the second clamping block at the corresponding crank position, the first clamping block and the second clamping block correspond to a positioning area respectively, the linkage mechanism is arranged between the center shaft and the crankshaft, the linkage mechanism makes the center shaft and the crankshaft rotate synchronously and reversely, and the driving mechanism is arranged between a plurality of sets of clamping mechanisms.
[0005] Further, the linkage mechanism includes a first passive bevel gear on the center shaft and a second passive bevel gear on the crankshaft, the first passive bevel gear is meshed with a first driving bevel gear, the second passive bevel gear is meshed with a second driving bevel gear, the first driving bevel gear and the second driving bevel gear are located on the opposite sides of the center shaft axis respectively, a driving shaft is arranged between the first driving bevel gear and the second driving bevel gear, and the driving shaft is connected with the driving mechanism.
[0006] Further, the driving shaft is connected with the first driving bevel gear and the second driving bevel gear on each set of clamping mechanisms.
[0007] Further, a plurality of first bearings are arranged on the driving shaft, and a first bearing seat corresponding to the first bearing is arranged on the bottom plate.
[0008] Further, the crank shaft is provided with a second bearing on the rotation shaft, and the bottom plate is provided with a second bearing seat corresponding to the second bearing.
[0009] Further, the bottom plate is provided with a third bearing seat, which is located at one end of the central shaft and the crank shaft, and the third bearing seat is provided with a third bearing and a fourth bearing connected with the central shaft and the crank shaft respectively.
[0010] Compared with the prior art, the beneficial effects of the utility model are that when the parts to be processed are positioned and placed in all positioning areas on the bottom plate, the driving mechanism provides driving force, and through the linkage mechanism, the central shaft and the crank shaft are synchronously and reversely rotated, and the first clamping block and the second clamping block are synchronously rotated to clamp all the parts at the same time, and after all the parts are processed, all the parts can be released synchronously, so that the clamping efficiency of the parts can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a structural schematic view of the multi-direction multi-axis linkage CNC clamp of the utility model;
[0012] Figure 2 It is a structural schematic view of a single set of clamping mechanism in the multi-direction multi-axis linkage CNC clamp of the utility model;
[0013] Figure 3 It is a sectional view of the central shaft and the crank shaft in the multi-direction multi-axis linkage CNC clamp of the utility model.
[0014] The drawings are as follows: bottom plate 1; positioning area 2; crank shaft 3; central shaft 4; first clamping block 5; second clamping block 6; first passive bevel gear 7; second passive bevel gear 8; first driving bevel gear 9; second driving bevel gear 10; driving shaft 11; first bearing seat 12; second bearing seat 13; third bearing seat 14. DETAILED DESCRIPTION
[0015] In the description of the utility model, it should be explained that for the orientation words, if the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.
[0016] In addition, the terms "first", "second", or the like used herein are intended to describe various configurations, but do not imply relative importance or a number of technical features. Therefore, the definition of "first", "second" features can explicitly or implicitly include one or more features, and the meaning of "several", "several" in the description of the utility model is two or more than two, unless otherwise explicitly specified.
[0017] Referring to Figures 1 to 3 Further illustrate the utility model.
[0018] A multi-directional multi-axis linkage CNC clamp, comprising a base plate 1, a plurality of positioning areas 2 and a plurality of sets of clamping mechanisms are arranged on the base plate 1, and a plurality of positioning areas 2 are arranged on both sides of each set of clamping mechanisms, the clamping mechanism comprises a plurality of crank shafts 3 and a plurality of center shafts 4, the rotating shaft part of the crank shaft 3 is hollow, the center shaft 4 penetrates the rotating shaft of the crank shaft 3, the axis of the center shaft 4 is collinear with the axis of the crank shaft 3, a first clamping block 5 is arranged on the crank of the crank shaft 3, a second clamping block 6 is arranged on the center shaft 4 corresponding to the position of the crank, the first clamping block 5 and the second clamping block 6 correspond to one positioning area 2 respectively, a linkage mechanism is arranged between the center shaft 4 and the crank shaft 3, the linkage mechanism makes the center shaft 4 and the crank shaft 3 rotate synchronously and reversely, and a driving mechanism is arranged between the plurality of sets of clamping mechanisms.
[0019] As Figures 1 to 3 shown, after positioning and placing the parts to be processed in all positioning areas 2 on the base plate 1, the driving mechanism provides driving force, and through the linkage mechanism, the center shaft 4 and the crank shaft 3 rotate synchronously and reversely, and the first clamping block 5 and the second clamping block 6 rotate synchronously to clamp all parts at the same time, and after processing all parts, all parts can be released synchronously, so that the clamping efficiency of the parts can be improved.
[0020] Specifically, the initial position of the first clamping block 5 and the second clamping block 6 when not clamping the parts is as shown in Figure 3 , the first clamping block 5 and the second clamping block 6 are V-shaped, when the parts are pressed, they are pressed down synchronously, and when reset, they are turned up synchronously.
[0021] As Figure 2 shown, in the preferred embodiment of the present application, the linkage mechanism comprises a first driven bevel gear 7 on the center shaft 4 and a second driven bevel gear 8 on the crank shaft 3, the first driven bevel gear 7 is engaged with a first driving bevel gear 9, the second driven bevel gear 8 is engaged with a second driving bevel gear 10, the first driving bevel gear 9 and the second driving bevel gear 10 are located on opposite sides of the center shaft 4 axis respectively, a driving shaft 11 is arranged between the first driving bevel gear 9 and the second driving bevel gear 10, and the driving shaft 11 is connected with the driving mechanism.
[0022] Specifically, the transmission ratio between the first driving bevel gear 9 and the first driven bevel gear 7 and the transmission ratio between the second driving bevel gear 10 and the second driven bevel gear 8 are the same.
[0023] Specifically, the driving shaft 11 drives the first driving bevel gear 9 and the second driving bevel gear 10 to rotate synchronously and in the same direction, and drives the first driven bevel gear 7 and the second driven bevel gear 8 to rotate synchronously and in the opposite direction through meshing, because the first driving bevel gear 9 and the second driving bevel gear 10 are coaxial, the first driven bevel gear 7 and the second driven bevel gear 8 are also coaxial, and the transmission ratio is the same, therefore the first clamp block 5 and the second clamp block 6 can clamp or release the parts at the same time.
[0024] Specifically, the driving shaft 11 is connected with a speed reducer, and the speed reducer is connected with a servo motor.
[0025] As shown in Figure 1 the preferred embodiment in the present example, the driving shaft 11 is connected with the first driving bevel gear 9 and the second driving bevel gear 10 on each set of clamping mechanism, that is, all the center shafts 4 and the crank shafts 3 are driven to rotate by one driving shaft 11.
[0026] As shown in Figure 1 the preferred embodiment in the present example, the driving shaft 11 is provided with a plurality of first bearings, and the bottom plate 1 is provided with a first bearing seat 12 corresponding to the first bearings.
[0027] As shown in Figure 2 the preferred embodiment in the present example, the pivot shaft of the crank shaft 3 is provided with a second bearing, and the bottom plate 1 is provided with a second bearing seat 13 corresponding to the second bearing.
[0028] As shown in Figure 2 the preferred embodiment in the present example, the bottom plate 1 is provided with a third bearing seat 14, the third bearing seat 14 is located at one end of the center shaft 4 and the crank shaft 3, and the third bearing seat 14 is provided with a third bearing and a fourth bearing connected with the center shaft 4 and the crank shaft 3 respectively.
[0029] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution under the idea of the present application belongs to the protection scope of the present application. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.
Claims
1. A multi-directional, multi-axis linkage CNC fixture, characterized in that: The device includes a base plate with several positioning areas and multiple clamping mechanisms. Each clamping mechanism has several positioning areas on both sides. Each clamping mechanism includes several crankshafts and several central shafts. The rotating shaft portion of the crankshaft is hollow. The central shaft passes through the rotating shaft of the crankshaft, and the axis of the central shaft is collinear with the axis of the crankshaft. A first clamping block is provided on the crank of the crankshaft, and a second clamping block is provided on the central shaft at the corresponding crank position. The first and second clamping blocks each correspond to a positioning area. A linkage mechanism is provided between the central shaft and the crankshaft, which enables the central shaft and the crankshaft to rotate synchronously and in opposite directions. A driving mechanism is provided between the multiple clamping mechanisms.
2. The multi-directional, multi-axis linkage CNC fixture according to claim 1, characterized in that: The linkage mechanism includes a first driven bevel gear located on the central shaft and a second driven bevel gear located on the crankshaft. A first driving bevel gear meshes with the first driven bevel gear, and a second driving bevel gear meshes with the second driven bevel gear. The first driving bevel gear and the second driving bevel gear are located on opposite sides of the central shaft axis, and a drive shaft is provided between the first driving bevel gear and the second driving bevel gear. The drive shaft is connected to the drive mechanism.
3. The multi-directional, multi-axis linkage CNC fixture according to claim 2, characterized in that: The drive shaft connects the first and second drive bevel gears on each clamping mechanism.
4. The multi-directional, multi-axis linkage CNC fixture according to claim 3, characterized in that: The drive shaft is provided with a plurality of first bearings, and the base plate is provided with first bearing seats corresponding to the first bearings.
5. The multi-directional, multi-axis linkage CNC fixture according to claim 1, characterized in that: A second bearing is provided on the crankshaft shaft, and a second bearing seat corresponding to the second bearing is provided on the base plate.
6. The multi-directional, multi-axis linkage CNC fixture according to claim 1, characterized in that: The base plate is provided with a third bearing housing, which is located at one end of the central shaft and the crankshaft. The third bearing housing is provided with a third bearing and a fourth bearing that are respectively connected to the central shaft and the crankshaft.