Workbench and five-axis machining center thereof
By adding rotation and pushing mechanisms on the workbench, multi-axis machining and height adjustment are achieved, solving the problem of low machining efficiency of large parts in the prior art, and improving the machining capability and adaptability of the machining center.
Patent Information
- Application Number
- CN202420098511.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-15
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-15
AI Technical Summary
The existing workbench only has A-axis and C-axis, and five-axis machining is achieved with a three-axis machining center. However, under the increasingly complex machining requirements, the machining efficiency of large parts is low, and it needs to be disassembled and changed direction to continue processing.
A workbench including a fixed base plate, an electric push rod and a suspended plate is designed. The first motor drives the swing plate to rotate, and the driving unit drives the rotating block to rotate, and the electric push rod changes the workpiece displacement and increases the machining shaft; the second motor Drives the rotation of the active square shaft and gear, realizes multi-axis machining and height adjustment, and adapts to workpieces of different heights.
The machining efficiency of the machining center for large parts is improved, the machining size range and adaptability is expanded, and the problem that the existing five-axis workbench cannot be adjusted in height.
Smart Images
Figure CN222154643U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of machining center accessories, in particular to a workbench and a five-axis machining center thereof. Background Art
[0002] The worktable of the machining center is the basis for high-precision machining of parts. The most common existing worktable has X and Y axis movement. With the spindle of the machining center, three-axis machining can be achieved. However, in order to achieve faster machining speed and wider machining capabilities, the method of increasing the freedom of movement of the workpiece can effectively improve the machining speed and wider machining capabilities.
[0003] The Chinese invention patent with publication number CN115401474A disclosed a double-worktable five-axis on November 29, 2022, including a loading base plate, a loading plate is arranged on the upper right side of the loading base plate, and a swing assembly is arranged on the upper left side of the loading base plate, and a regulating assembly is arranged between the swing assembly and the loading plate; by arranging the regulating assembly in the double-headed five-axis turntable, the motor drive box in the assembly works to realize the side transmission between the first gear, the second gear, and the third gear in sequence, so that the transmission rod rotates to make the worm act correspondingly on the worm wheel, so that the adapter column rotates to realize the rotation of the turntable, and the rotation positioning processing of the loaded workpiece is realized, so that the processing regulation and use effect of the workpiece is good, and the workpiece processing efficiency can be effectively improved. By arranging the swing assembly in the double-headed five-axis turntable, the swing inclination angle of the loading rectangular box can be limited in the assembly, so that the overall regulation and use effect when processing the workpiece is good, and the workpiece processing efficiency is high.
[0004] However, the above-mentioned disclosed solution has the following shortcomings: the existing workbench only has an A-axis and a C-axis, which can realize five-axis machining in conjunction with a three-axis machining center. However, under increasingly complex machining requirements, when processing large parts, after machining in one direction, it is necessary to disassemble and change the direction in order to proceed with machining, resulting in low efficiency in machining large parts. Utility Model Content
[0005] The utility model aims to solve the technical problem that the existing workbench only has an A-axis and a C-axis, and cooperates with a three-axis machining center to realize five-axis machining, but under increasingly complex machining requirements, when machining large parts, after machining in one direction, it is necessary to disassemble and change the direction so that machining can be carried out, resulting in low efficiency in machining large parts. A workbench and a five-axis machining center are provided.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] The utility model describes a workbench and a five-axis machining center thereof, comprising a fixed base plate, an electric push rod and a suspended plate; a plurality of electric push rods are symmetrically fixed on the fixed base plate; a suspended plate is fixed on the upper end of the electric push rod; a swing plate is rotatably connected between the suspended plates; a first motor is fixed at one end of the swing plate; the first motor is fixed to the suspended plate through a motor frame; a rotating groove is provided on the swing plate; a rotating block is rotatably inserted in the rotating groove; a driving unit is fixed at the lower end of the rotating block.
[0008] Furthermore, the driving unit includes a two-way limit plate and a double-headed universal shaft; the two-way limit plate is detachably fixed to the lower end of the rotating block; the lower end of the two-way limit plate is fixed with a double-headed universal shaft; the lower end of the double-headed universal shaft is fixed with a driving shaft; the lower end of the driving shaft is fixed with a passive gear; the passive gear is meshed with a driving gear; the driving gear is slidably sleeved on the active square shaft; the upper end of the active square shaft is fixed with a second motor; the second motor is fixed to the upper surface of the fixed base plate.
[0009] Furthermore, a one-way limiting plate is fixedly connected to the lower end of the driving square shaft corresponding to the driving gear.
[0010] Furthermore, a circular avoidance groove is provided on the fixed bottom plate corresponding to the active square shaft.
[0011] Furthermore, a plurality of T-shaped grooves are formed on the upper surfaces of the swing plate and the rotating block.
[0012] A five-axis machining center comprises the workbench as described above.
[0013] The utility model provides a workbench and a five-axis machining center thereof, which have the following beneficial effects:
[0014] 1. The utility model installs the worktable in the depression of the five-axis machining center, and then drives the swing plate to rotate accurately by energizing the first motor, thereby adding a machining axis, and then drives the rotating block to rotate accurately by the driving unit, thereby realizing the addition of another axis, and then changes the up and down displacement of the workpiece under the up and down push of the electric push rod, so that the machining center can process longer objects, so that the machining capacity is improved, and solves the problem of small size range of machining workpieces in the existing machining center;
[0015] 2. The utility model drives the active square shaft to rotate by energizing the second motor, thereby driving the mutually meshing active gear and the passive gear to rotate, thereby driving the drive shaft, the double-headed universal shaft, the two-way limit plate and the rotating block to rotate, so that the rotating block can be accurately driven to rotate, thereby realizing multi-axis processing. At the same time, the tilting deformation of the double-headed universal shaft can adapt to the left and right rotation movement of the rotating block, and can be transmitted in a tilted state, thereby realizing synchronous linkage with the rotation of the swing plate to adjust the position of the workpiece, and at the same time, the position of the workpiece can be adjusted synchronously with the up and down movement of the swing plate, which solves the problem that the existing five-axis workbench cannot adjust the height to adapt to workpieces of different heights. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings;
[0017] Figure 1 This is a first axonometric structural schematic diagram of the utility model;
[0018] Figure 2 It is a second axonometric structural schematic diagram of the utility model;
[0019] Figure 3 It is a schematic diagram of the half-section structure of the utility model.
[0020] Explanation of the numbers in the figure: 1. Fixed base plate; 2. Electric push rod; 3. Suspension plate; 4. Swing plate; 5. Motor frame; 6. First motor; 7. Rotation slot; 8. Rotation block; 9. Bidirectional limit plate; 10. Double-headed universal shaft; 11. Driving shaft; 12. Passive gear; 13. Driving gear; 14. Driving square shaft; 15. Second motor; 16. One-way limit plate; 17. T-slot; 18. Avoidance circular groove. DETAILED DESCRIPTION
[0021] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] It should be noted that all directional indications in the embodiments of the present invention (such as up-down-left-right-front-back...) are only used to explain the relative position relationship - movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.
[0024] See also Figure 1-3 As shown, a workbench comprises a fixed base plate 1, an electric push rod 2 and a suspended plate 3; a plurality of electric push rods 2 are symmetrically fixed on the fixed base plate 1; a suspended plate 3 is fixed on the upper end of the electric push rod 2; a swing plate 4 is rotatably connected between the suspended plates 3; a first motor 6 is fixedly connected to one end of the swing plate 4; the first motor 6 is fixedly connected to the suspended plate 3 through a motor frame 5; a rotating groove 7 is provided on the swing plate 4; a rotating block 8 is rotatably inserted in the rotating groove 7; a driving unit is fixedly connected to the lower end of the rotating block 8; when working, the workbench is installed in a recess of a five-axis machining center, and then the first motor 6 is powered on and rotated to drive the swing plate 4 to rotate accurately, thereby adding a machining axis, and then the driving unit drives the rotating block 8 to rotate accurately, thereby realizing the addition of another axis, and then under the up and down push of the electric push rod 2, the up and down displacement of the workpiece is changed, so that the machining center can process longer objects, so that the machining capacity is improved, and the problem of small size range of machining workpieces of the existing machining center is solved.
[0025] The driving unit includes a two-way limit plate 9 and a double-headed universal shaft 10; the two-way limit plate 9 is detachably fixed to the lower end of the rotating block 8; the lower end of the two-way limit plate 9 is fixedly connected to the double-headed universal shaft 10; the lower end of the double-headed universal shaft 10 is fixedly connected to the driving shaft 11; the lower end of the driving shaft 11 is fixedly connected to a passive gear 12; the passive gear 12 is meshedly connected to a driving gear 13; the driving gear 13 is slidably sleeved on the active square shaft 14; the upper end of the active square shaft 14 is fixedly connected to a second motor 15; the second motor 15 is fixedly connected to the upper surface of the fixed bottom plate 1; when working, the active square shaft 14 is driven to rotate by energizing the second motor 15 The double-headed universal shaft 10 is moved, thereby driving the mutually meshing active gear 13 and the passive gear 12 to rotate, thereby driving the driving shaft 11, the double-headed universal shaft 10, the two-way limit plate 9 and the rotating block 8 to rotate, so that the rotating block 8 can be accurately driven to rotate, thereby realizing multi-axis processing. At the same time, the tilting deformation of the double-headed universal shaft 10 can adapt to the left and right rotation movement of the rotating block 8, and can be transmitted in a tilted state, so as to realize the synchronous linkage with the rotation of the swing plate 4 to adjust the position of the workpiece, and at the same time, the position of the workpiece can be adjusted synchronously with the up and down movement of the swing plate 4, which solves the problem that the existing five-axis worktable cannot adjust the height to adapt to workpieces of different heights.
[0026] A one-way limiting plate 16 is fixedly connected to the lower end of the driving square shaft 14 corresponding to the driving gear 13; during operation, the one-way limiting plate 16 limits the driving gear 13 in one direction after it is sleeved on the driving square shaft 14, so that it will not fall off and is more convenient to install.
[0027] The fixed bottom plate 1 is provided with an avoidance circular groove 18 corresponding to the active square shaft 14; during operation, the avoidance circular groove 18 allows the active square shaft 14 in a non-rotating shape to rotate without contacting and being fixedly connected with the fixed bottom plate 1, so that the rotation can proceed smoothly.
[0028] The upper surfaces of the swing plate 4 and the rotating block 8 are provided with a plurality of T-slots 17. During operation, by providing a plurality of T-slots 17 on the upper surfaces of the swing plate 4 and the rotating block 8, it is convenient to cooperate with the T-shaped slider, the pressure block and the nut to fix the workpiece, so that the workpiece can be fixed on the swing plate 4 and also on the rotating block 8 for fixed processing, so that the processing methods are diverse and suitable for workpieces of different sizes and shapes.
[0029] A five-axis machining center comprises the workbench as described above.
[0030] By adopting the above scheme, when the utility model is in use, the workbench is installed in the recess of the five-axis machining center, and then the first motor 6 is powered on to rotate to drive the rocking plate 4 to rotate accurately, thereby adding a machining axis, and then the driving unit drives the rotating block 8 to rotate accurately, thereby realizing the addition of another axis, and then under the up and down push of the electric push rod 2, the up and down displacement of the workpiece is changed, so that the machining center can process longer objects, so that the machining capacity is improved, and the problem of the small size range of the machining workpieces of the existing machining center is solved; the second motor 15 is powered on to drive the active square shaft 14 to rotate, thereby driving the mutually meshing active gear 13 and the passive gear 12 to rotate, thereby driving the drive shaft 11, the double-headed universal shaft 10, the two-way limit plate 9 and the rotating block 8 to rotate, so that the rotating block 8 can be accurately driven to rotate, thereby realizing multi-axis processing, and at the same time, the tilting deformation of the double-headed universal shaft 10 can adapt to The left and right rotational movement of the rotating block 8 can be transmitted in an inclined state, so as to realize the synchronous linkage with the rotation of the swing plate 4 to adjust the position of the workpiece, and can also be synchronously linked with the up and down movement of the swing plate 4 to adjust the position of the workpiece, solving the problem that the existing five-axis worktable cannot adjust the height to adapt to workpieces of different heights; the one-way limiting plate 16 allows the active gear 13 to be one-way limited after being sleeved on the active square shaft 14, so that it will not fall off and is more convenient to install; the avoidance circular groove 18 allows the active square shaft 14 in the shape of a non-rotating body to rotate without contacting with the fixed bottom plate 1 for fixed connection, so that the rotation can be carried out smoothly; by opening a plurality of T-slots 17 on the upper surfaces of the swing plate 4 and the rotating block 8, it is convenient to cooperate with the T-shaped slider, the pressure block and the nut to fix the workpiece, so that the workpiece can be fixed on the swing plate 4 and the rotating block 8 for fixed processing, so that the processing methods are diverse and adaptable to workpieces of different sizes and shapes.
[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A workbench, characterized in that; The invention comprises a fixed base plate (1), an electric push rod (2) and a suspended plate (3); a plurality of electric push rods (2) are symmetrically fixedly connected to the fixed base plate (1); the upper ends of the electric push rods (2) are fixedly connected to the suspended plate (3); a swing plate (4) is rotatably connected between the suspended plates (3); a first motor (6) is fixedly connected to one end of the swing plate (4); the first motor (6) is fixedly connected to the suspended plate (3) through a motor frame (5); a rotating groove (7) is provided on the swing plate (4); a rotating block (8) is rotatably inserted in the rotating groove (7); and a driving unit is fixedly connected to the lower end of the rotating block (8).
2. The workbench according to claim 1, characterized in that: The driving unit comprises a bidirectional limit plate (9) and a double-headed universal shaft (10); the bidirectional limit plate (9) is detachably fixed to the lower end of the rotating block (8); the lower end of the bidirectional limit plate (9) is fixedly connected to the double-headed universal shaft (10); the lower end of the double-headed universal shaft (10) is fixedly connected to a driving shaft (11); the lower end of the driving shaft (11) is fixedly connected to a passive gear (12); the passive gear (12) is meshingly connected to a driving gear (13); the driving gear (13) is slidably sleeved on a driving square shaft (14); the upper end of the driving square shaft (14) is fixedly connected to a second motor (15); the second motor (15) is fixedly connected to the upper surface of the fixed base plate (1).
3. The workbench according to claim 2, characterized in that: A one-way limiting plate (16) is fixedly connected to the lower end of the driving square shaft (14) corresponding to the driving gear (13).
4. The workbench according to claim 3, characterized in that: The fixed bottom plate (1) is provided with an avoidance circular groove (18) corresponding to the active square shaft (14).
5. The workbench according to claim 4, characterized in that: A plurality of T-shaped grooves (17) are provided on the upper surfaces of the swing plate (4) and the rotating block (8).
6. A five-axis machining center, characterized in that: Comprising a workbench as described in any one of claims 1-5.