Moving device for long workpiece machining
By designing a moving device for transmission gears, spur gears, and positioning components, the problem of bending and deformation of slender workpieces during high-speed cutting was solved, achieving stable workpiece clamping and uniform cutting force distribution, thus improving machining quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG NORTH ELECTROMECHANICAL CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-24
AI Technical Summary
The existing machine tool processing platform lacks adaptive adjustment functions, which makes slender workpieces prone to bending and deformation during high-speed cutting, affecting the processing quality.
A moving device comprising a transmission gear, a spur gear plate, a positioning assembly, and a clamping fixture was designed. By adjusting the reciprocating adjustment of the platform and multi-point automatic clamping, the stability of the workpiece and the uniform distribution of cutting force during the cutting process are ensured.
It enables flexible installation and stable clamping of workpieces, improving the stability and machining quality of slender workpieces during high-speed cutting.
Smart Images
Figure CN224158059U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machining technology, specifically a moving device for machining long workpieces. Background Technology
[0002] Currently, slender workpieces are prone to bending deformation during milling on machine tools, especially during high-speed cutting. The reason for this is that, in addition to the rotational speed, attention should also be paid to adjusting the relative position of the tool and the workpiece to ensure that the cutting force of the tool on the workpiece is evenly distributed. This can effectively reduce the risk of workpiece deformation.
[0003] However, the machining platforms used in existing machine tools are mostly fixed structures, which lack the ability to adapt and adjust for the installation of slender workpieces. In particular, they cannot provide assisted clamping at the positions where slender workpieces are cut multiple times, thus failing to ensure a uniform distribution of cutting force between the tool and the workpiece, which affects the machining quality. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a moving device for processing long workpieces, which solves the problems mentioned in the background.
[0005] This utility model provides the following technical solution: a moving device for processing long workpieces, including a worktable, an adjustment platform slidably installed on the top of the worktable, and a workpiece. The top of the front and rear ends of the worktable are equipped with slide rail seats. A slide rail fixed to the bottom surface of the adjustment platform is locked in the slide rail seat. A straight toothed plate is fixed to the bottom of the front end of the adjustment platform. The bottom of the straight toothed plate meshes with a transmission gear installed on the top of the front end of the worktable. The transmission gear is fitted with a bearing seat fixed to the bottom surface of the front end of the worktable through a bearing. A round wheel handle is fixed to the front end of the transmission gear. The adjustment platform can be reciprocated on the top of the worktable under the mutual meshing transmission of the transmission gear and the straight toothed plate.
[0006] The front end of the workbench has several positioning holes, and the front end of the adjustment platform is fitted with a positioning component that can engage with and limit the position of a single positioning hole.
[0007] Preferably, the positioning component consists of a first positioning part, which includes a first guide sleeve, a first cross-shaped rod, and a first return spring. One end of the first guide sleeve is fixedly nested inside the front end of the adjustment platform. The first cross-shaped rod is engaged inside the first guide sleeve and can be displaced through and engaged with the corresponding positioning hole for limiting. The first return spring is fitted on the outer side of the top of the first guide sleeve, and both ends of the first return spring are respectively fixed to the inner wall of the top of the first guide sleeve and the surface of the top end of the first cross-shaped rod. A T-shaped stop is fixed on the surface of the top end of the first cross-shaped rod, and a first handle is fixed on the end of the top end of the first cross-shaped rod. The bottom end of the first cross-shaped rod is a tapered end. The top of the first guide sleeve is provided with a T-shaped arc groove that can engage with the T-shaped stop for limiting. The end of the T-shaped arc groove away from the T-shaped stop is inclined downward along the top of the first guide sleeve in the circumferential direction.
[0008] Preferably, the positioning assembly consists of a second positioning component, which includes a second guide sleeve, a second cross-shaped rod, a second return spring, and a handle. The second guide sleeve is nested and fixed inside the front end of the adjustment platform. The second cross-shaped rod is engaged inside the second guide sleeve and can penetrate and engage with the corresponding positioning hole for limitation. The second return spring is fitted on the outer side of the top of the second guide sleeve, and its two ends are respectively fixed to the inner wall of the top of the second guide sleeve and the surface of one end of the top of the second cross-shaped rod. Under the guidance of the second guide sleeve and the elastic pressure of the second return spring, the second cross-shaped rod can engage with the corresponding positioning hole for limitation, thereby ensuring the stability of the worktable and the adjustment platform when used together. The handle is fixedly sleeved on the top end of the second cross-shaped rod, and the bottom end of the second cross-shaped rod is a tapered end to facilitate subsequent insertion and limitation operations.
[0009] Preferably, the top of the adjustment platform is provided with a clamping fixture that can clamp and limit the workpiece. The clamping fixture includes a transmission pressure assembly, a constant pressure baffle, and a buffer pad assembly. The number of transmission pressure assemblies and the number of constant pressure baffles are both not less than two and are staggered. The number of buffer pad assemblies is not less than four and are arranged at equal intervals along the transverse direction of the adjustment platform.
[0010] The transmission and pressure-adjusting assembly includes a cylinder and a dynamic pressure plate. The cylinder is installed on the top surface of the front end of the adjustment platform, and the dynamic pressure plate is connected to the output end of the cylinder. The constant pressure baffle is fixed on the top surface of the rear end of the adjustment platform and can form a clamping space for the workpiece with the dynamic pressure plate in a relative state. The transmission and pressure-adjusting assembly and the constant pressure baffle work together to achieve automatic clamping of the workpiece and meet the requirements of automated operation.
[0011] Selectedly, the buffer pad assembly includes a hollow shaft, and a damping arc-shaped support cylinder that can fit properly with the bottom surface of the workpiece is fixedly fitted on the middle surface of the hollow shaft. Buffer support rods are provided between the two ends of the hollow shaft and the top surface of the adjustment platform. Multiple buffer pad assemblies are arranged to form a support plane that can assist in the installation of the workpiece, thereby optimizing the overall performance of the device.
[0012] The selected buffer support rods each include a third return spring and a composite support. The bottom of the composite support is fixed to the top surface of the adjustment platform, and the top of the composite support is a rod-shaped structure fitted with the third return spring. The two ends of the third return spring are respectively fixed to the corresponding ends of the hollow shaft and the bottom surface of the composite support. The two buffer support rods act on the two hollow shafts and their respective corresponding damping arc surface supports, thereby enabling the damping arc surface supports to synchronously receive the vibrations suffered by the workpiece during processing, thereby damping and buffering, and improving the stability of the workpiece during processing and the cutting quality.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. This utility model, through the combination of transmission gears, spur gear plates, positioning components, and several positioning holes, can achieve convenient displacement adjustment of the adjustment platform on the top of the workbench, meeting the installation requirements of slender workpieces of different lengths. At the same time, the first or second positioning component of the positioning assembly can be easily assembled and positioned with the positioning holes, making it flexible and simple to use.
[0015] 2. This utility model is a multi-functional clamping device composed of several transmission and pressure-adjusting components, several constant pressure baffles, and several buffer pad components. In the subsequent workpiece processing, in addition to automatically clamping and fixing the workpiece at multiple points to ensure its stability during the cutting process, the damping arc surface support cylinders inside the multiple buffer pad components will synchronously receive the vibrations suffered by the workpiece during the cutting process, thereby damping and buffering, improving the stability of the workpiece during processing and the cutting quality. Attached Figure Description
[0016] Figure 1 This is a top view of the structure of this utility model;
[0017] Figure 2 This is a front view schematic diagram of the structure of this utility model;
[0018] Figure 3 This is a cross-sectional schematic diagram of the first positioning component of the present invention.
[0019] Figure 4 This is a front view schematic diagram of the first cross-shaped rod of the present invention;
[0020] Figure 5 This is a cross-sectional schematic diagram of the second positioning component of the present invention.
[0021] Figure 6 This is a front view schematic diagram of the second cross-shaped rod of the present invention;
[0022] Figure 7 This is a partial cross-sectional schematic diagram of the transmission and pressure-blocking assembly of this utility model;
[0023] Figure 8 This is an enlarged schematic diagram of the dynamic pressure plate of this utility model.
[0024] Figure 9 This is a cross-sectional schematic diagram of the structural buffer pad assembly of this utility model;
[0025] Figure 10 This is a cross-sectional view of the positioning hole of this utility model.
[0026] In the diagram: 1. Workbench; 2. Adjustment platform; 3. Transmission gear; 4. Straight gear plate; 5. Positioning hole; 6. First positioning component; 61. First guide sleeve; 62. First cross-shaped rod; 63. First return spring; 64. T-shaped stop bar; 65. First handle; 66. T-shaped arc groove; 7. Second positioning component; 71. Second guide sleeve; 72. Second cross-shaped rod; 73. Second return spring; 74. Handle; 8. Slide rail; 9. Transmission pressure assembly; 91. Cylinder; 92. Dynamic pressure plate; 10. Constant pressure baffle; 11. Workpiece; 12. Round wheel handle; 13. Buffer pad assembly; 131. Hollow shaft; 132. Damping arc surface support cylinder; 133. Composite support; 134. Third return spring. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Example 1
[0029] Please see Figure 1-4 , Figure 10A mobile device for processing long workpieces includes a worktable 1, an adjustment platform 2 slidably mounted on the top of the worktable 1, and a workpiece 11. The top of the front and rear ends of the worktable 1 are equipped with slide rail seats. The slide rail seats are fitted with slide rails 8 fixed to the bottom surface of the adjustment platform 2. The bottom of the front end of the adjustment platform 2 is fixed with a straight toothed plate 4. The bottom of the straight toothed plate 4 is meshed with a transmission gear 3 mounted on the top of the front end of the worktable 1. The transmission gear 3 is fitted with a bearing seat fixed to the bottom surface of the front end of the worktable 1 through a bearing. The front end of the transmission gear 3 is fixed with a round wheel handle 12. The adjustment platform 2 can be reciprocated on the top of the worktable 1 under the mutual meshing transmission of the transmission gear 3 and the straight toothed plate 4. The top of the front end of the worktable 1 is provided with several positioning holes 5. The front end of the adjustment platform 2 is fitted with a positioning component that can be engaged with a single positioning hole 5 for limiting the position.
[0030] The positioning assembly consists of a first positioning component 6, which includes a first guide sleeve 61, a first cross-shaped rod 62, and a first return spring 63. One end of the first guide sleeve 61 is fixedly nested inside the front end of the adjustment platform 2. The first cross-shaped rod 62 is engaged inside the first guide sleeve 61 and can perform through displacement and engage with the corresponding positioning hole 5 for limiting. The first return spring 63 is fitted onto the outer side of the top of the first guide sleeve 61, and both ends of the first return spring 63 are respectively fixed to the top of the first guide sleeve 61. On the inner wall and the surface of the top end of the first cross-shaped rod 62, a T-shaped stop bar 64 is fixed on the surface of the top end of the first cross-shaped rod 62, and a first handle 65 is fixed on the end of the top end of the first cross-shaped rod 62. The bottom end of the first cross-shaped rod 62 is a tapered end. The top of the first guide sleeve 61 is provided with a T-shaped arc groove 66 that can engage and limit the T-shaped stop bar 64. The end of the T-shaped arc groove 66 away from the T-shaped stop bar 64 is inclined downward along the top of the first guide sleeve 61 in a circumferential direction.
[0031] When in use, if it is necessary to adjust the displacement of the adjustment platform 2 on the top of the workbench 1 to meet the installation support requirements of slender workpieces, hold the first handle 65 and turn the first cross-shaped rod 62. Then, the T-shaped stop rod 64 moves along the internal channel of the T-shaped arc groove 66 toward the opening of the T-shaped arc groove 66. After the T-shaped stop rod 64 reaches the opening of the T-shaped arc groove 66, the first return spring 63, which was originally squeezed and contracted by the T-shaped stop rod 64 and the T-shaped arc groove 66, will lose its limiting constraint. Then, the first cross-shaped rod 62 and the T-shaped stop rod 64 will move automatically upward in the first guide sleeve 61, and the first cross-shaped rod 62 will disengage from the corresponding positioning hole 5, releasing the limiting constraint on the combination of the workbench 1 and the adjustment platform 2.
[0032] Hold the round wheel handle 12 and rotate the transmission gear 3, which in turn makes the transmission gear 3 mesh with the transmission spur plate 4. The spur plate 4 drives the adjustment platform 2 to adjust its displacement on the top of the worktable 1. The slide rail 8 and the slide rail seat provide guidance, constraint and support for the adjustment platform 2 to adjust its displacement on the top of the worktable 1. After reaching the appropriate position, the position of the first positioning component 6 will be aligned with the corresponding positioning hole 5. Similarly, hold the first handle 65, press down and then turn the first cross-shaped rod 62, which will make the T-shaped stop 64 move along the opening of the T-shaped arc groove 66 into the relatively closed strip channel of the T-shaped arc groove 66. At the same time, the bottom of the first cross-shaped rod 62 has been engaged in the corresponding positioning hole 5, and then the adjusted worktable 1 and adjustment platform 2 are re-limited and constrained.
[0033] Example 2
[0034] Please see Figure 1-2 , Figure 5-6 The positioning assembly consists of a second positioning component 7, which includes a second guide sleeve 71, a second cross-shaped rod 72, a second return spring 73, and a handle 74. The second guide sleeve 71 is nested and fixed inside the front end of the adjustment platform 2. The second cross-shaped rod 72 is engaged inside the second guide sleeve 71 and can be displaced through to engage with the corresponding positioning hole 5 for limiting. The second return spring 73 is fitted on the outer side of the top of the second guide sleeve 71, and its two ends are respectively fixed to the inner wall of the top of the second guide sleeve 71 and the surface of the top end of the second cross-shaped rod 72. Under the guidance of the second guide sleeve 71 and the elastic pressure of the second return spring 73, the second cross-shaped rod 72 can engage with the corresponding positioning hole 5 for limiting, thereby ensuring the stability of the workbench 1 and the adjustment platform 2 when used together. The handle 74 is fixedly sleeved on the top end of the second cross-shaped rod 72. The bottom end of the second cross-shaped rod 72 is a tapered end, which facilitates subsequent insertion and limiting operations.
[0035] In use, when the adjustment platform 2 needs to be displaced on the top of the workbench 1 to meet the installation support requirements of slender workpieces, hold the handle 74 and lift the second cross-shaped rod 72, which will then move the second cross-shaped rod 72 out of the corresponding positioning hole 5. At this time, the second return spring 73 is in a compressed state. Then, hold the wheel handle 12 and rotate the transmission gear 3, which will then mesh with the transmission spur gear 4. The spur gear 4 will drive the adjustment platform 2 to be displaced on the top of the workbench 1. The slide rail 8 and the slide rail seat provide guidance, constraint and support for the displacement adjustment of the adjustment platform 2 on the top of the workbench 1. After reaching the appropriate position, the position of the second positioning component 7 will be aligned with the corresponding positioning hole 5. Similarly, release the traction force on the handle 74, and the second cross-shaped rod 72 will be reset and locked in the corresponding positioning hole 5 under the action of the second return spring 73, thereby re-limiting the workbench 1 and the adjustment platform 2 after adjustment.
[0036] Example 3
[0037] Please see Figure 1-2 , Figure 7-9 The top of the adjustment platform 2 is equipped with a clamping fixture that can clamp and limit the workpiece 11. The clamping fixture includes a transmission pressure assembly 9, a constant pressure baffle 10, and a buffer pad assembly 13. The number of transmission pressure assemblies 9 and constant pressure baffles 10 is not less than two and they are staggered. The number of buffer pad assemblies 13 is not less than four and they are equidistantly arranged along the transverse direction of the adjustment platform 2. The transmission pressure assembly 9 includes a cylinder 91 and a dynamic pressure plate 92. The cylinder 91 is installed on the top surface of the front end of the adjustment platform 2, and the dynamic pressure plate 92 is connected to the output end of the cylinder 91. The constant pressure baffle 10 is fixed on the top surface of the rear end of the adjustment platform 2 and can form a clamping space for the workpiece 11 with the dynamic pressure plate 92 in a relative state. The transmission pressure assembly 9 and the constant pressure baffle 10 work together to realize the automatic clamping of the workpiece 11 and meet the automation operation effect.
[0038] The buffer pad assembly 13 includes a hollow shaft 131. A damping arc support cylinder 132 that can fit properly against the bottom surface of the workpiece 11 is fixedly fitted on the middle surface of the hollow shaft 131. Buffer support rods are provided between the two ends of the hollow shaft 131 and the top surface of the adjustment platform 2. Multiple buffer pad assemblies 13 are arranged to form a support plane that can assist in the installation of the workpiece 11, thereby optimizing the overall device performance.
[0039] Both buffer support rods include a third return spring 134 and a composite support 133. The bottom of the composite support 133 is fixed to the top surface of the adjustment platform 2, and the top of the composite support 133 is a rod-shaped structure fitted with the third return spring 134. The two ends of the third return spring 134 are respectively fixed to the corresponding ends of the hollow shaft 131 and the bottom surface of the composite support 133. The two buffer support rods act on the two hollow shafts 131 and the damping arc surface support cylinders 132 corresponding to the two hollow shafts 131, so that the damping arc surface support cylinders 132 can synchronously receive the vibrations suffered by the workpiece 11 during the processing, thereby performing damping buffering and improving the stability of the workpiece 11 during processing and the cutting quality.
[0040] In use, the workpiece 11 is clamped and installed by placing it on a support plane arranged with multiple buffer pad assemblies 13. The rear end structure of the workpiece 11 is fitted into the corresponding clearance space on the inner side of the top of the constant pressure baffle 10. Then, the cylinder 91 is activated, and the output end of the cylinder 91 drives the moving pressure plate 92 to adjust the displacement of the constant pressure baffle 10, thereby automatically clamping the workpiece 11. Since there are at least two constant pressure baffles 10 and transmission pressure assembly 9, the workpiece 11 can be automatically clamped and fixed at multiple points, which fully ensures the stability of the workpiece 11 during the cutting process.
[0041] During the subsequent cutting process of the workpiece 11, the damping arc surface support cylinder 132 inside the multiple buffer pad assembly 13 will synchronously receive the vibrations suffered by the workpiece 11 during the processing, and then perform damping buffering to improve the stability of the workpiece 11 during processing and the cutting quality.
[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Additionally, in the accompanying drawings of this utility model, the fill patterns are merely for distinguishing layers and do not constitute any other limitation.
[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A mobile device for processing long workpieces, comprising a worktable (1), an adjusting platform (2) slidingly installed on the top of the worktable (1), and a workpiece (11), characterized in that: The front and rear ends of the workbench (1) are equipped with slide rail seats. The slide rail seats are fitted with slide rails (8) fixed to the bottom surface of the adjustment platform (2). The bottom of the front end of the adjustment platform (2) is fixed with a straight tooth plate (4). The bottom of the straight tooth plate (4) is meshed with a transmission gear (3) installed on the top of the front end of the workbench (1). The transmission gear (3) is fitted with a bearing seat fixed to the bottom surface of the front end of the workbench (1) through a bearing set. The front end of the transmission gear (3) is fixed with a round wheel handle (12). The adjustment platform (2) can be reciprocated on the top of the workbench (1) under the meshing transmission of the transmission gear (3) and the straight tooth plate (4). The front end of the workbench (1) has several positioning holes (5), and the front end of the adjustment platform (2) is fitted with a positioning component that can engage with and limit the position of a single positioning hole (5).
2. The mobile device for processing a long workpiece according to claim 1, wherein: The positioning assembly consists of a first positioning component (6), which includes a first guide sleeve (61), a first cross-shaped rod (62), and a first return spring (63). One end of the first guide sleeve (61) is fixedly nested inside the front end of the adjustment platform (2). The first cross-shaped rod (62) is engaged inside the first guide sleeve (61) and can be displaced through and engaged with the corresponding positioning hole (5). The first return spring (63) is fitted on the outer side of the top of the first guide sleeve (61), and the two ends of the first return spring (63) are respectively fixed on the inner wall of the top of the first guide sleeve (61) and the surface of one end of the top of the first cross-shaped rod (62).
3. The long workpiece processing mobile device of claim 2, wherein: A T-shaped stop bar (64) is fixed on the surface of the top end of the first cross-shaped rod (62), and a first handle (65) is fixed on the end of the top end of the first cross-shaped rod (62). The bottom end of the first cross-shaped rod (62) is a tapered end. The top of the first guide sleeve (61) is provided with a T-shaped arc groove (66) that can engage and limit the T-shaped stop bar (64), and the end of the T-shaped arc groove (66) away from the T-shaped stop bar (64) is inclined downward along the top of the first guide sleeve (61) in a circumferential direction.
4. The long workpiece processing mobile device of claim 1, wherein: The positioning assembly consists of a second positioning component (7), which includes a second guide sleeve (71), a second cross-shaped rod (72), a second return spring (73), and a handle (74). The second guide sleeve (71) is nested and fixed inside the front end of the adjustment platform (2). The second cross-shaped rod (72) is engaged inside the second guide sleeve (71) and can make through displacement and engage with the corresponding positioning hole (5) for limiting. The second return spring (73) is fitted on the outer side of the top of the second guide sleeve (71), and the two ends of the second return spring (73) are respectively fixed on the inner wall of the top of the second guide sleeve (71) and the surface of one end of the top of the second cross-shaped rod (72). The handle (74) is fixedly sleeved on the top end of the second cross-shaped rod (72), and the bottom end of the second cross-shaped rod (72) is a tapered end.
5. The mobile device for processing long workpieces according to claim 1, characterized in that: The top of the adjustment platform (2) is provided with a clamping fixture that can clamp and limit the workpiece (11). The clamping fixture includes a transmission pressure assembly (9), a constant pressure baffle (10), and a buffer pad assembly (13). The number of transmission pressure assemblies (9) and the number of constant pressure baffles (10) are both not less than two and are staggered. The number of buffer pad assemblies (13) is not less than four and are arranged equidistantly along the transverse direction of the adjustment platform (2). The transmission pressure assembly (9) includes a cylinder (91) and a dynamic pressure plate (92). The cylinder (91) is installed on the top surface of the front end of the adjustment platform (2), and the dynamic pressure plate (92) is connected to the output end of the cylinder (91). The constant pressure baffle (10) is fixed on the top surface of the rear end of the adjustment platform (2) and can form a clamping space for the workpiece (11) with the dynamic pressure plate (92) in the opposite state.
6. The long workpiece processing mobile device of claim 5, wherein: The buffer pad assembly (13) includes a hollow shaft (131), and a damping arc surface support cylinder (132) that can fit properly with the bottom surface of the workpiece (11) is fixedly fitted on the middle surface of the hollow shaft (131). Buffer support rods are provided between the two ends of the hollow shaft (131) and the top surface of the adjustment platform (2).
7. The long workpiece processing mobile device of claim 6, wherein: Both of the aforementioned buffer support rods include a third return spring (134) and a composite support (133). The bottom of the composite support (133) is fixed to the top surface of the adjustment platform (2). The top of the composite support (133) is a rod-shaped structure fitted with the third return spring (134). The two ends of the third return spring (134) are respectively fixed to the corresponding ends of the hollow shaft (131) and the surface of the bottom of the composite support (133).