Workbench adjusting mechanism capable of improving workpiece machining stability

Abstract

The utility model relates to the technical field of workbench adjustment, in particular to a workbench adjusting mechanism capable of improving workpiece machining stability, which comprises a workbench body and a transverse conveying device arranged at the bottom of the workbench body. The bottom of the workbench body is fixedly connected with a supporting frame. According to the workbench adjusting mechanism capable of improving the workpiece machining stability, a transmission gear rotates and is meshed with a first tooth block at the position of a supporting frame to drive inclination adjustment of a workpiece on the upper side of the workbench body, the machining range of the irregular workpiece is widened, and the machining stability of the irregular workpiece is improved; a driven gear, a second gear block, a transmission gear and a first gear block are matched to limit a supporting frame, and an elastic supporting assembly is used in an auxiliary mode, so that the stable supporting effect in the working process of the workbench body is guaranteed, conduction of most vibration in the working process of the workbench body can be effectively blocked, and the service life of the workbench body is prolonged. And the influence on other parts in the numerical control machining center is reduced, and the stability of workpiece machining is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to workbench adjusting technical field, concretely relates to a workbench adjusting mechanism that improves workpiece processing stability. BACKGROUND

[0002] Numerical control machining center is developed from milling machine, installs different purpose tool on tool magazine, realizes multiple processing function according to the change processing tool on main shaft, is a kind of function diverse, high efficiency processing machine tool.

[0003] Numerical control machining center is through the workpiece that the staff needs to be processed is placed in the workbench during processing, and the machining device is processed to the component being processed.

[0004] The workbench of existing numerical control machining center is horizontally arranged, so that the machining device can only realize the processing of workpiece in different directions by adjusting the feed angle of tool when processing it. But for irregular-shaped workpiece, it is difficult to realize stable processing of the workpiece by adjusting the feed angle of tool, which limits the processing of workpiece and increases the defective rate during workpiece processing. Moreover, the existing workbench is directly installed on the corresponding conveying mechanism, so that the vibration force of the machining device during processing of the workpiece will be directly transmitted to the conveying mechanism through the workbench. After long-term operation, it will affect the stability of the conveying mechanism, and further affect the stability of the workbench during placing workpiece and workpiece processing. SUMMARY

[0005] To solve the above problems, a workbench adjusting mechanism for improving the stability of workpiece processing is provided. The transmission gear rotates and engages with the tooth block at the support frame to adjust the inclination of the workpiece on the upper side of the workbench body, which expands the processing range of irregular workpieces and improves the stability of irregular workpiece processing. The driven gear, tooth block two, transmission gear and tooth block one are matched to limit the support frame, and supplemented by the elastic support assembly, which can effectively block the transmission of most vibrations during the work of the workbench body, reduce the impact on the remaining parts of the numerical control machining center, and further improve the stability of workpiece processing.

[0006] The utility model provides a kind of workbench adjusting mechanism of improving workpiece processing stability, including workbench body, still including the horizontal conveying device being set in the bottom of workbench body;The bottom of the workbench body is fixedly connected with support frame, the support frame is arc-shaped and the inside and the outside of support frame are fixedly connected with a plurality of tooth block one and tooth block two distributed equidistantly along its arc track respectively, the bottom of the workbench body is also fixedly installed with inclination monitor;The horizontal conveying device includes moving seat and installation frame, driving assembly is fixedly arranged in the middle of the moving seat, the end of the driving assembly is fixedly arranged with the transmission gear engaged with tooth block one, the top of the moving seat is also provided with the driven gear engaged with tooth block two.

[0007] Preferably, the support frame, transmission gear and driven gear are provided with two groups on the bottom of the workbench body, and are symmetrically arranged with the vertical bisector plane of the workbench body.

[0008] Preferably, the bottom of each support frame is symmetrically provided with two driven gears about the plane of the symmetry axis of the arc, and the middle of each driven gear is transversely penetrated and fixedly installed with a connecting shaft.

[0009] Preferably, the top of the moving seat is also fixedly connected with a plurality of bearing seats, and the end of the connecting shaft is rotatably connected with the bearing seat.

[0010] Preferably, the bottom of the workbench body is symmetrically provided with two groups of elastic support components with the vertical bisector plane of the workbench body, and the elastic support component includes a top rod and an installation cylinder, and the installation frame is vertically and perpendicularly provided with an installation slot matched with the installation cylinder.

[0011] Preferably, the top rod is vertically extended to form a sliding part at the top, and the sliding part is spherically arranged, and the workbench body is provided with a strip-shaped slot for the sliding part to slide along the length direction thereof.

[0012] Preferably, the bottom of the top rod is vertically extended into the installation cylinder, and the bottom end of the top rod forms an extension, and a return spring is installed between the top of the extension and the inner wall of the installation cylinder.

[0013] Preferably, the driving assembly is connected with a mounting seat on the outside, and the mounting seat is fixedly connected with the moving seat at the bottom.

[0014] The utility model has the beneficial effects compared with prior art:

[0015] 1. The driving assembly drives the transmission gear to rotate and engage with the tooth block at the support frame, and under the action of the tooth block two and the driven gear engagement, it drives the workbench body to adjust the use angle, thereby driving the workpiece located on the upper side of the workbench body to adjust the processing angle of the workpiece, expand the processing range of irregular workpieces, and improve the stability of irregular workpiece processing;

[0016] 2. The driven gear installed through the bearing seat and connecting shaft cooperates with the tooth block two and the transmission gear and the tooth block one to complete the limiting of the support frame, and is assisted by the elastic support assembly, which can effectively block the conduction of most vibrations in the working process of the workbench body, reduce the influence on the remaining parts in the numerical control machining center, and further improve the stability of workpiece machining. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of workbench and numerical control machining center three-dimensional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability;

[0018] Figure 2 It is a kind of workbench and horizontal conveying device three-dimensional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability;

[0019] Figure 3 It is a kind of workbench and moving seat three-dimensional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability;

[0020] Figure 4 It is a kind of support frame and transmission gear three-dimensional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability;

[0021] Figure 5 It is a kind of support frame and driven gear three-dimensional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability;

[0022] Figure 6 It is a kind of mounting seat three-dimensional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability;

[0023] Figure 7 It is a kind of elastic support assembly three-dimensional sectional structure schematic diagram of workbench adjusting mechanism for improving workpiece machining stability.

[0024] The figure mark is: 1, workbench body;1a, support frame;1a1, tooth block one;1a2, tooth block two;2, horizontal conveying device;2a, moving seat;2b, mounting frame;3, inclination monitor;4, driving assembly;4a, transmission gear;4b, mounting seat;5, driven gear;6, elastic support assembly;6a, top rod;6b, mounting cylinder;6c, reset spring. DETAILED DESCRIPTION

[0025] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0026] Referring to Figure 1 and Figure 2 , a workbench adjusting mechanism for improving workpiece machining stability comprises a workbench body 1, and further comprises a transverse conveying device 2 arranged at the bottom of the workbench body 1.

[0027] It should be noted that the transverse conveying device 2 is a device directly connected with the workbench body 1 in the numerical control machining center, which mainly comprises a mounting frame 2b, a linear guide rail and a moving seat 2a. In use, the workbench body 1 is driven to move along the mounting frame 2b through the linear guide rail and the moving seat 2a, so as to adjust the position of the workbench body 1 and the workpiece thereon.

[0028] Referring to Figures 3-5 , the bottom of the workbench body 1 is fixedly connected with a support frame 1a, the support frame 1a is arranged in a circular arc shape, and the inner side and the outer side of the support frame 1a are fixedly connected with a plurality of tooth blocks one 1a1 and tooth blocks two 1a2 respectively distributed equidistantly along the arc track thereof, and the bottom of the workbench body 1 is further fixedly installed with an inclination monitor 3.

[0029] It should be noted that the inclination monitor 3 is installed at the bottom of the workbench body 1 and can monitor the workbench body 1.

[0030] Referring to Figure 2 and Figure 3 , the transverse conveying device 2 comprises a moving seat 2a and a mounting frame 2b, the middle part of the moving seat 2a is fixedly provided with a driving assembly 4, the end part of the driving assembly 4 is fixedly provided with a transmission gear 4a engaged with the tooth blocks one 1a1, and the top part of the moving seat 2a is further provided with a driven gear 5 engaged with the tooth blocks two 1a2.

[0031] It should be noted that the driving assembly 4 is composed of a bidirectional driving motor and a speed reduction device used in cooperation with the bidirectional driving motor. In use, the transmission gear 4a is rotated through the bidirectional driving motor and the speed reduction device, and when the transmission gear 4a rotates, it is engaged with the tooth blocks one 1a1 on the inner side of the circular arc-shaped support frame 1a, thereby driving the tooth blocks two 1a2 on the outer side of the circular arc-shaped support frame 1a to be engaged with the driven gear 5. At this time, the circular arc-shaped support frame 1a can be rotated, thereby driving the workbench body 1 at the top part of the circular arc-shaped support frame 1a and the workpiece at the workbench body 1 to adjust the machining angle of the workpiece. The machining range of irregular workpieces is expanded, and the stability of machining irregular workpieces is improved.

[0032] And the driven gear 5 installed through the bearing seat and the connecting shaft cooperates with the gear block two 1a2 and the transmission gear 4a cooperates with the gear block one 1a1 to complete the limiting of the support frame 1a, and the elastic support assembly 6 is additionally arranged, which can effectively block the transmission of most vibrations during the working process of the workbench body 1, reduce the influence on the remaining parts in the numerical control machining center, and further improve the stability of workpiece machining.

[0033] As shown in Figures 3-5 The support frame 1a, the transmission gear 4a and the driven gear 5 are provided with two groups at the bottom of the workbench body 1, and are symmetrically arranged with respect to the vertical bisector plane of the workbench body 1.

[0034] It should be noted that the arrangement of the two groups of support frames 1a, transmission gears 4a and driven gears 5 can improve the support effect of the workbench body 1 and ensure the stability of the workbench body 1 during tilting.

[0035] As shown in Figure 4 and Figure 5 Each of the two driven gears 5 is symmetrically arranged with respect to the plane of the symmetry axis of the arc at the bottom of the support frame 1a, and the connecting shaft is transversely penetrated and fixedly installed in the middle of each of the driven gears 5.

[0036] The top of the moving seat 2a is also fixedly connected with several bearing seats, and the end of the connecting shaft is rotatably connected with the bearing seat. It should be noted that the clamping of the support frame 1a is realized by the cooperation of the two driven gears 5 on the outer side of the support frame 1a and the transmission gear 4a on the inner side of the support frame 1a, so as to determine the working position and motion trail of the support frame 1a.

[0037] As shown in Figure 3 , Figure 6 and Figure 7 The bottom of the workbench body 1 is symmetrically provided with two groups of elastic support assemblies 6 with respect to the vertical bisector plane of the workbench body 1, and the elastic support assembly 6 comprises a top rod 6a and an installation cylinder 6b. The installation frame 2b is vertically and vertically provided with an installation groove matched with the installation cylinder 6b.

[0038] It should be noted that the arrangement of the elastic support assembly 6 can provide a buffering effect for the inclined workbench body 1 and absorb part of the vibration force during workpiece machining.

[0039] As shown in Figure 3 and Figure 7 The top of the top rod 6a is vertically extended to form a sliding part, which is provided in a spherical shape. The workbench body 1 is provided with a strip-shaped groove for the sliding part to slide along the length direction thereof.

[0040] The bottom of the top rod 6a extends vertically into the mounting cylinder 6b, and the bottom end of the top rod 6a forms an extension, the top of which is provided with a return spring 6c between the inner wall of the mounting cylinder 6b.

[0041] It should be noted that when the workbench body 1 is tilted, the sliding part provided in the form of a ball will move along the strip-shaped groove, and will stretch or compress the return spring 6c in the mounting cylinder 6b under the extrusion or pulling action of the inner wall of the strip-shaped groove.

[0042] Referring to Figure 4 As shown, the driving assembly 4 is provided with a mounting seat 4b on the outside, and the bottom of the mounting seat 4b is fixedly connected with the moving seat 2a.

[0043] It should be noted that the bidirectional driving motor of the driving assembly 4 is fixedly installed in the middle of the moving seat 2a through the mounting seat 4b.

[0044] The above embodiments only express one or several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A worktable adjustment mechanism for improving workpiece machining stability, comprising a worktable body (1), characterized in that, Also include the horizontal conveying device (2) set in the workbench body (1) bottom; The bottom of the workbench body (1) is fixedly connected with a support frame (1a), the support frame (1a) is arranged in a circular arc shape, and the inner side and the outer side of the support frame (1a) are fixedly connected with a plurality of tooth blocks one (1a1) and tooth blocks two (1a2) distributed equidistantly along the arc track thereof respectively, and the bottom of the workbench body (1) is also fixedly installed with an inclination monitor (3); The horizontal conveying device (2) comprises a moving seat (2a) and an installation frame (2b), a driving assembly (4) is fixedly arranged in the middle of the moving seat (2a), a transmission gear (4a) engaged with the tooth block one (1a1) is fixedly arranged at the end of the driving assembly (4), and a driven gear (5) engaged with the tooth block two (1a2) is also arranged at the top of the moving seat (2a).

2. The worktable adjustment mechanism according to claim 1, wherein The support frame (1a), the transmission gear (4a) and the driven gear (5) are provided with two groups at the bottom of the workbench body (1), and are symmetrically arranged with respect to the vertical bisector plane of the workbench body (1).

3. The worktable adjustment mechanism for improving workpiece machining stability according to claim 2, characterized in that, The bottom of each support frame (1a) is symmetrically provided with two driven gears (5) with respect to the plane where the symmetry axis of the circular arc is located, and a connecting shaft is transversely penetrated and fixedly installed in the middle of each driven gear (5).

4. The worktable adjustment mechanism according to claim 3, wherein The top of the moving seat (2a) is also fixedly connected with a plurality of bearing seats, and the end of the connecting shaft is rotatably connected with the bearing seat.

5. The worktable adjustment mechanism for improving workpiece machining stability according to claim 1, characterized in that, The bottom of the workbench body (1) is symmetrically provided with two groups of elastic support assemblies (6) with respect to the vertical bisector plane of the workbench body (1), the elastic support assembly (6) comprises a top rod (6a) and an installation cylinder (6b), and the installation frame (2b) is vertically and vertically provided with an installation groove matched with the installation cylinder (6b).

6. The worktable adjustment mechanism of claim 5, wherein The top of the top rod (6a) is vertically extended to form a sliding part, which is provided in a spherical shape, and the workbench body (1) is provided with a strip-shaped groove for the sliding part to slide along the length direction thereof.

7. The worktable adjustment mechanism of claim 6, wherein, The bottom of the top rod (6a) is vertically extended into the installation cylinder (6b), and the bottom end of the top rod (6a) forms an extension part, and a return spring (6c) is installed between the top of the extension part and the inner wall of the installation cylinder (6b).

8. The worktable adjustment mechanism of claim 1, wherein, The outer side of the driving assembly (4) is connected with a mounting seat (4b), and the bottom of the mounting seat (4b) is fixedly connected with the moving seat (2a).

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