Positioning table for machining

Abstract

The utility model discloses a positioning table for machining, which belongs to the field of positioning tables and comprises a working table, a positioning structure is mounted on the working table and consists of a first screw rod, a bottom plate, a clamping plate and a mounting plate, a limiting structure is mounted in the clamping plate and consists of a guide rod and a reset spring, and the reset spring is sleeved on the guide rod. A fixing structure is installed on the guide rod in a sliding mode, the fixing structure is located above the reset spring at the same time, the fixing structure is composed of a pressing plate and a contact plate, the fixing structure and the driving structure are arranged on the positioning structure, after a workpiece is clamped and fixed through a clamping plate on the positioning structure, the fixing structure can be pushed downwards through the driving structure, and therefore the workpiece can be fixed. Therefore, the fixing structure is pressed at the upper end of the workpiece, then the workpiece is pressed and fixed from the upper portion, finally the fixing stability of the workpiece can be improved, the workpiece is not prone to moving in the process of being machined by mechanical equipment, and then the probability that the workpiece is machined and scrapped can be reduced.

Description

Technical Field

[0001] The utility model relates to the field of positioning platforms, in particular to a positioning platform for mechanical processing. Background Art

[0002] Machining refers to the process of changing the external dimensions or performance of a workpiece by mechanical equipment. When using mechanical equipment to process a workpiece, a positioning table is required to fix the workpiece. In the existing patent application with application number CN202322452905.X, a positioning table for machining is proposed. The positioning table can only clamp and fix the workpiece through two sets of mechanical workpiece clamping seats, and cannot press and fix the workpiece from the top, resulting in poor stability of the workpiece being fixed, and further making the workpiece easy to move during the process of being processed by mechanical equipment, and ultimately making the workpiece easy to be processed and scrapped, so it needs to be improved. Summary of the Invention

[0003] The main purpose of the utility model is to provide a positioning table for mechanical processing, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod.

[0006] Preferably, a guide rail groove No. 1 is provided on the workbench.

[0007] Preferably, the No. 1 screw on the positioning structure is rotatably installed on the workbench, there are two base plates and they are symmetrically installed on the No. 1 screw, and the base plate is simultaneously located in the No. 1 guide rail groove, there are two splints and they are fixedly installed on the upper ends of the two base plates respectively, and the splints are provided with No. 2 guide rail grooves and No. 3 guide rail grooves, and the No. 3 guide rail grooves are located above the No. 2 guide rail grooves, and the No. 3 guide rail grooves are located above the No. 2 guide rail grooves, there are four mounting plates and they are symmetrically fixedly installed on the outer ends of the two splints in pairs, and through holes are provided on the mounting plates.

[0008] Preferably, the limiting structure is installed in the No. 2 guide rail groove, and the guide rod is fixedly connected to the inner walls on the upper and lower sides of the No. 2 guide rail groove.

[0009] Preferably, a mounting hole is provided on the pressure plate on the fixed structure, and the pressure plate is mounted on the guide rod by sliding up and down through the mounting hole, and the contact plate is located on the outside of the clamping plate.

[0010] Preferably, the No. 2 screw rod on the driving structure is rotatably mounted in two through holes opened on two adjacent mounting plates, the limiting rod is located in the No. 3 guide rail groove, and the extrusion block can squeeze the contact plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] By arranging a fixing structure and a driving structure on the positioning structure, after the clamping plate on the positioning structure clamps and fixes the workpiece, the driving structure can be used to push the fixing structure downward, so that the fixing structure is pressed on the upper end of the workpiece, and then the workpiece is pressed and fixed from the top, which can ultimately improve the stability of the workpiece, making it less likely for the workpiece to move during the processing by mechanical equipment, thereby reducing the probability of the workpiece being scrapped during processing; by arranging a limiting structure, the reset spring on the limiting structure can reset the fixing structure upward, thereby facilitating the disassembly of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a structural diagram of the workbench and positioning structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the drive structure of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the limiting structure and the fixing structure of the utility model.

[0017] In the figure: 1. workbench; 2. positioning structure; 3. limiting structure; 4. fixing structure; 5. driving structure; 6. guide groove No. 1; 7. screw rod No. 1; 8. bottom plate; 9. guide groove No. 2; 10. guide groove No. 3; 11. mounting plate; 12. through hole; 13. guide rod; 14. return spring; 15. pressure plate; 16. mounting hole; 17. contact plate; 18. screw rod No. 2; 19. connecting block; 20. extrusion block; 21. limiting rod; 22. splint. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, a positioning table for mechanical processing includes a workbench 1, a positioning structure 2 is installed on the workbench 1, the positioning structure 2 is composed of a No. 1 screw rod 7, a base plate 8, a splint 22 and a mounting plate 11, a No. 1 guide groove 6 is provided on the workbench 1, the No. 1 screw rod 7 on the positioning structure 2 is rotatably installed on the workbench 1, there are two base plates 8 and they are symmetrically installed on the No. 1 screw rod 7, the base plate 8 is simultaneously located in the No. 1 guide groove 6, there are two splints 22 and they are respectively fixedly installed on the upper ends of the two base plates 8, a No. 2 guide groove 9 and a No. 3 guide groove 10 are provided on the splint 22, and the No. 3 guide groove 10 is located above the No. 2 guide groove 9, there are four mounting plates 11 and they are symmetrically fixedly installed on the outer ends of the two splints 22 in pairs, and a through hole 12 is provided on the mounting plate 11.

[0020] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, a limiting structure 3 is installed in the splint 22, and the limiting structure 3 is composed of a guide rod 13 and a return spring 14. The return spring 14 is sleeved on the guide rod 13, and a fixed structure 4 is slidably installed on the guide rod 13. The fixed structure 4 is also located above the return spring 14, and the fixed structure 4 is composed of a pressure plate 15 and a contact plate 17. The contact plate 17 is fixedly installed on the outer end of the pressure plate 15, and a driving structure 5 is installed on the mounting plate 11 of the positioning structure 2. The driving structure 5 is composed of a No. 2 screw rod 18, a connecting block 19, an extrusion block 20 and a limiting rod 21. There are two connecting blocks 19 and they are symmetrically installed on the No. 2 screw rod 18. There are two extrusion blocks 20 and they are respectively fixed on the lower ends of the two connecting blocks 19. There are two limiting rods 21 and they are respectively fixed on the outer ends of the two connecting blocks 19. The two extrusion blocks 20 are respectively located on both sides of the contact plate 17. The limiting structure 3 is installed in the No. 2 guide rail groove 9, and the guide rod 13 is fixedly connected to the inner walls of the upper and lower sides of the No. 2 guide rail groove 9. The pressing plate 15 is provided with a mounting hole 16, and the pressing plate 15 is slidably mounted on the guide rod 13 through the mounting hole 16. The contact plate 17 is located on the outer side of the clamping plate 22, and the No. 2 screw rod 18 on the driving structure 5 is rotatably mounted in the two through holes 12 opened on the two adjacent mounting plates 11. The limit rod 21 is located in the No. 3 guide rail groove 10, and the extrusion block 20 can squeeze the contact plate 17. By arranging the fixing structure 4 and the driving structure 5 on the positioning structure 2, after the clamping plate 22 on the positioning structure 2 clamps and fixes the workpiece, the driving structure 5 can be used to push the fixing structure 4 downward, so that the fixing structure 4 is pressed on the upper end of the workpiece, and then the workpiece is pressed and fixed from the top, and finally the stability of the workpiece can be improved, so that the workpiece is not easy to move during the processing of the mechanical equipment, thereby reducing the probability of the workpiece being scrapped during processing. By setting the limiting structure 3, the reset spring 14 on the limiting structure 3 can reset the fixing structure 4 upward, thereby facilitating the disassembly of the workpiece.

[0021] It should be noted that the present invention is a positioning table for machining. When in use, the workpiece to be fixed and processed is first placed on the upper end of the workbench 1, and the workpiece is placed between the two clamping plates 22. Then, the No. 1 screw rod 7 is rotated, so that the workpiece is clamped and fixed by the clamping plate 22. Then, the No. 2 screw rod 18 on the driving structure 5 can be rotated, so that the two connecting blocks 19 on the No. 2 screw rod 18 are close to each other, and then the connecting block 19 will bring the extrusion block 20 to squeeze the contact plate 17 on the fixed structure 4. Finally, under the extrusion of the extrusion block 20, the contact plate 17 will move downward with the pressure plate 15, and as the pressure plate 15 moves downward, the limiting structure 3 The return spring 14 on it will be compressed, and finally when the pressure plate 15 is pressed on the upper end of the workpiece, the rotation of the No. 2 screw rod 18 can be stopped, and the fixation of the workpiece is strengthened from the top; when the workpiece is processed, the No. 2 screw rod 18 can be rotated in the opposite direction, so that the two connecting blocks 19 are moved away from each other. At this time, under the elastic force of the return spring 14, the fixing structure 4 will be pushed upward. When the pressure plate 15 is out of contact with the upper end of the workpiece, the No. 1 screw rod 7 is rotated in the opposite direction, so that the two clamps 22 are moved away from each other. When the clamps 22 are out of contact with the side of the workpiece, the fixation of the workpiece is released, and then the workpiece can be removed from the upper end of the workbench 1.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention. The scope of protection claimed in this utility model is defined by the attached claims and their equivalents.

Claims

1. A positioning table for machining, comprising a workbench (1), a positioning structure (2) mounted on the workbench (1), the positioning structure (2) consisting of a first screw rod (7), a base plate (8), a clamping plate (22) and a mounting plate (11), characterized in that: A limiting structure (3) is installed in the clamping plate (22), and the limiting structure (3) is composed of a guide rod (13) and a return spring (14). The return spring (14) is sleeved on the guide rod (13). A fixed structure (4) is slidably installed on the guide rod (13). The fixed structure (4) is also located above the return spring (14). The fixed structure (4) is composed of a pressure plate (15) and a contact plate (17). The contact plate (17) is fixedly installed on the outer end of the pressure plate (15). The mounting plate ( 11) is provided with a driving structure (5), the driving structure (5) being composed of a second screw rod (18), a connecting block (19), an extrusion block (20) and a limiting rod (21), the connecting blocks (19) being two and being symmetrically mounted on the second screw rod (18), the extrusion blocks (20) being two and being fixedly mounted on the lower ends of the two connecting blocks (19), the limiting rods (21) being two and being fixedly mounted on the outer ends of the two connecting blocks (19), and the two extrusion blocks (20) being respectively located on both sides of the contact plate (17).

2. A positioning table for machining according to claim 1, characterized in that: A guide rail groove (6) is provided on the workbench (1).

3. A positioning table for machining according to claim 2, characterized in that: The No. 1 screw rod (7) on the positioning structure (2) is rotatably mounted on the workbench (1), there are two base plates (8) and they are symmetrically mounted on the No. 1 screw rod (7), and the base plate (8) is simultaneously located in the No. 1 guide rail groove (6), there are two clamping plates (22) and they are fixedly mounted on the upper ends of the two base plates (8), the clamping plates (22) are provided with a No. 2 guide rail groove (9) and a No. 3 guide rail groove (10), and the No. 3 guide rail groove (10) is located above the No. 2 guide rail groove (9), there are four mounting plates (11) and they are symmetrically fixedly mounted on the outer ends of the two clamping plates (22), and the mounting plates (11) are provided with through holes (12).

4. A positioning table for machining according to claim 3, characterized in that: The limiting structure (3) is installed in the second guide rail groove (9), and the guide rod (13) is fixedly connected to the inner walls on the upper and lower sides of the second guide rail groove (9).

5. A positioning table for machining according to claim 4, characterized in that: A mounting hole (16) is provided on the pressure plate (15) on the fixed structure (4), and the pressure plate (15) is mounted on the guide rod (13) by sliding up and down through the mounting hole (16). The contact plate (17) is located outside the clamping plate (22).

6. A positioning table for machining according to claim 5, characterized in that: The second screw rod (18) on the driving structure (5) is rotatably mounted in two through holes (12) opened on two adjacent mounting plates (11), the limiting rod (21) is located in the third guide rail groove (10), and the extrusion block (20) can squeeze the contact plate (17).

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