Positioning device for numerical control milling

Abstract

The utility model relates to the technical field of positioning mechanisms for workpiece machining, and discloses a positioning device for numerical control milling machining, which comprises a support plate, horizontal side sleeves are fixed at two ends of the top wall of the support plate, horizontal side columns are movably arranged on inner rings of the side sleeves, rectangular moving holes are formed in two sides of the support plate, and the moving holes are communicated with the horizontal side columns. Vertical plates are fixed to the side ends, close to each other, of the two side columns, the two vertical plates are movably arranged in the two moving holes respectively, vertical supporting sleeves are fixed to the side walls of the tops, close to each other, of the two vertical plates, L-shaped supporting plates are fixed to the top ends of the supporting sleeves, and positioning blocks are fixed to the side walls, close to each other, of the two supporting plates; according to the utility model, a mounting plate with a matched model is not required to be selected in the process of positioning the workpieces, the workpieces with different sizes can be directly and stably positioned, the process of positioning the workpieces is simple, convenient and time-saving, the working hours of numerical control milling can be shortened, milling wastes are convenient to collect and clean, and the convenience is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning mechanisms for workpiece processing, in particular to a positioning device for numerical control milling processing. Background Art

[0002] CNC milling is a milling method that uses computers as the core and controls machine tools through pre-written programs to perform material milling. This processing method can accurately and efficiently complete the processing of various complex curved surfaces, and its accuracy and processing efficiency are higher than traditional manual operation and mechanical automation processing methods. In the process of CNC milling of workpieces, in order to prevent the workpiece from shifting during the processing and improve the processing accuracy, the workpiece needs to be positioned.

[0003] In the patent document with the published announcement number CN216706743U, a sludge CNC milling clamping platform is disclosed, including a fixed platform, a vertical plate is fixedly connected to the rear side of the top of the fixed platform, a CNC milling device is fixedly installed on the front of the vertical plate, an electric push rod is fixedly connected to the right side of the top of the fixed platform, a connecting block is fixedly connected to the top of the electric push rod, and a positioning plate is rotatably connected to the front of the connecting block. The sludge CNC milling clamping platform, by flipping the positioning plate, allows the workpiece to pass through the through groove of the positioning plate, flips the positioning plate to a horizontal state, and then moves the positioning plate downward, so that the square groove at the bottom of the positioning plate is installed with the top of the mounting plate, so that the connecting plate rotating on the left side of the positioning plate is rotated to a vertical state and plugged with the fixed rod, and the plug block in the connecting plate is plugged with the slot on the left side of the fixed rod, so that the positioning plate fixes the mounting plate with the workpiece, thereby facilitating the stable clamping of the CNC milling platform.

[0004] When the above device is in use, different types of mounting plates need to be selected for workpieces of different sizes. In the process of positioning the workpiece, mounting plates of matching models need to be selected. It is difficult to directly achieve stable positioning of workpieces of different sizes, resulting in a cumbersome and time-consuming process of positioning the workpiece, which leads to a long working time for CNC milling processing. Therefore, a positioning device for CNC milling processing is needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning device for numerical control milling processing, which solves the problems raised in the background technology.

[0006] The embodiment of the present application provides a positioning device for CNC milling processing, including a support plate, both ends of the top wall of the support plate are fixed with horizontal side sleeves, the inner circle of the side sleeves is movably provided with horizontal side columns, rectangular shift holes are opened on both sides of the support plate, and vertical upright plates are fixed on the side ends of the two side columns close to each other, and the two upright plates are movably arranged in the inside of the two shift holes, respectively, and vertical support sleeves are fixed on the side walls of the tops of the two upright plates close to each other, an L-shaped bracket plate is fixed on the top of the support sleeve, and positioning blocks are fixed on the side walls of the two bracket plates close to each other, a waste collection box without a top wall is movably provided on the middle section of the top wall of the support plate, vertical columns are fixed on both sides of the bottom wall of the support plate, the outer movably sleeves of the columns are provided with upright sleeves, and the outer ring fixed sleeves of the two upright sleeves are provided with horizontal flat plates, and an electric cylinder with an output end facing downward is installed in the middle position of the bottom wall of the support plate, and the flat plate is fixed to the output end of the electric cylinder, and the upright plate is transmission-connected to the flat plate.

[0007] Optionally, a horizontal base plate is fixed to the bottom ends of the two columns, and circular mounting holes are provided at the four corners of the base plate.

[0008] By adopting the above technical solution, the base plate can be stably fixed on the CNC milling equipment by bolts.

[0009] Optionally, the bottom of the bracket plate is located inside the waste collection box, the bottom of the positioning block is located inside the waste collection box, and the positioning block is made of rubber.

[0010] By adopting the above technical solution, the two positioning blocks can achieve stable clamping and positioning of the workpiece.

[0011] Optionally, the inner ring of the support sleeve is rectangular, and blocks are fixed on the bottom walls of the two bracket plates that are away from each other. The blocks are movably arranged on the inner ring of the support sleeve, and the size of the inner ring of the support sleeve is adapted to the size of the blocks. A cylindrical threaded block is fixed to the bottom end of the block, and a screw sleeve is provided on the outer threaded sleeve of the threaded block, and the top of the screw sleeve is in contact with the bottom end of the support sleeve.

[0012] By adopting the above technical solution, the threaded block, the clamping block and the bracket plate are stably fixed by the threaded sleeve.

[0013] Optionally, both sides of the support plate are provided with insertion holes, both sides of the bottom end of the waste collection box are fixed with insertion blocks, the two insertion blocks are movably arranged inside the two insertion holes respectively, and the size of the insertion hole is adapted to the size of the insertion block.

[0014] By adopting the above technical solution, the waste collection box can be prevented from shifting in the horizontal direction.

[0015] Optionally, the size of the inner ring of the vertical sleeve is matched with the size of the vertical column.

[0016] By adopting the above technical solution, the flat plate can be lifted and lowered stably.

[0017] Optionally, the inner ring of the side sleeve is rectangular, and the size of the inner ring of the side sleeve is matched with the size of the side column.

[0018] By adopting the above technical solution, the side columns and the vertical plates can move horizontally stably.

[0019] Optionally, the two vertical plates located on the lower side of the support plate are hinged with inclined axes on their side walls that are close to each other, and the bottom ends of the two inclined axes are respectively hinged to the two sides of the top wall of the flat plate, the two inclined axes are symmetrically arranged, and the spacing between the top ends of the two inclined axes is greater than the spacing between the bottom ends of the two inclined axes.

[0020] By adopting the above technical solution, the flat plate and the vertical sleeve can be driven down by extending the electric cylinder, so that the flat plate can drive the bottom ends of the two inclined shafts to descend, and the top ends of the two inclined shafts can drive the two vertical plates closer to each other.

[0021] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0022] The present application proposes a positioning device for CNC milling processing, which places the workpiece inside a waste collection box, and then through the operation of an electric cylinder, the workpiece can be stably clamped and positioned by two positioning blocks. Through the operation of the electric cylinder, the distance between the two positioning blocks can be adjusted according to the size of the workpiece, so that the two positioning blocks can stably clamp and position workpieces of different sizes. In the process of positioning the workpiece, the utility model does not need to select a mounting plate of matching model, and can directly achieve stable positioning of workpieces of different sizes. The process of positioning the workpiece is simple and time-saving, which can shorten the working hours of CNC milling processing.

[0023] The present application proposes a positioning device for CNC milling processing. During the CNC milling process of a workpiece, the milling waste can be collected through a waste collection box. If the milling waste needs to be cleaned, the screw sleeve is first removed, and then the support plate is lifted upward to allow the clamping block and the threaded block to be separated from the support sleeve. Then, the waste collection box is lifted upward until the plug block is separated from the plug hole. The milling waste inside the waste collection box can be poured out, and the milling waste can be cleaned. The milling waste is convenient to collect and clean, and the convenience is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 A top view of the top of the utility model;

[0026] Figure 3 It is a side view of the utility model;

[0027] Figure 4 It is a cross-sectional structural schematic diagram of the utility model.

[0028] In the figure: 1. support plate; 2. shift hole; 3. side sleeve; 4. side column; 5. vertical plate; 6. support sleeve; 7. screw sleeve; 8. bracket plate; 9. positioning block; 10. waste collection box; 11. inclined axis; 12. flat plate; 13. column; 14. vertical sleeve; 15. electric cylinder; 16. bottom plate; 17. mounting hole; 18. clamp block; 19. threaded block; 20. socket; 21. plug block. DETAILED DESCRIPTION

[0029] See also Figure 1-4 The utility model provides a technical solution: a positioning device for CNC milling processing, including a support plate 1, both ends of the top wall of the support plate 1 are fixed with horizontal side sleeves 3, the inner circle of the side sleeves 3 is movably provided with horizontal side columns 4, both sides of the support plate 1 are provided with rectangular shift holes 2, the side ends of the two side columns 4 close to each other are fixed with vertical upright plates 5, the two upright plates 5 are respectively movably arranged inside the two shift holes 2, the side walls of the tops of the two upright plates 5 close to each other are fixed with vertical support sleeves 6, and the top of the support sleeves 6 is fixed with An L-shaped bracket plate 8, positioning blocks 9 are fixed on the side walls of the two bracket plates 8 that are close to each other, a waste collection box 10 without a top wall is movably provided in the middle section of the top wall of the support plate 1, the bottom of the bracket plate 8 is located inside the waste collection box 10, and the bottom of the positioning block 9 is located inside the waste collection box 10. Placing the workpiece inside the waste collection box 10 can make the workpiece located between the two positioning blocks 9. The positioning block 9 is made of rubber material, so that the positioning block 9 can fit the workpiece, so that the two positioning blocks 9 can achieve stable clamping and positioning of the workpiece.

[0030] Vertical columns 13 are fixed on both sides of the bottom wall of the support plate 1, and the outer movable sleeves of the columns 13 are provided with vertical sleeves 14. The outer ring fixed sleeves of the two vertical sleeves 14 are provided with horizontal flat plates 12. An electric cylinder 15 with the output end facing downward is installed in the middle position of the bottom wall of the support plate 1. The flat plate 12 is fixed to the output end of the electric cylinder 15. The vertical plate 5 is connected to the flat plate 12 in transmission. A horizontal bottom plate 16 is fixed to the bottom ends of the two columns 13. Circular mounting holes 17 are opened at the four corners of the bottom plate 16. Bolts can be passed through the mounting holes 17 to stably fix the bottom plate 16 on the CNC milling equipment.

[0031] In some technical solutions, such as Figure 1 and Figure 4As shown, the inner ring of the support sleeve 6 is rectangular, and blocks 18 are fixed on the bottom walls of the two bracket plates 8 that are away from each other. The blocks 18 are movably arranged on the inner ring of the support sleeve 6. The size of the inner ring of the support sleeve 6 is adapted to the size of the blocks 18, which can prevent the blocks 18 and the bracket plates 8 from rotating. A cylindrical threaded block 19 is fixed to the bottom end of the blocks 18, and a screw sleeve 7 is provided on the outer thread sleeve of the threaded block 19. The top end of the screw sleeve 7 contacts the bottom end of the support sleeve 6, and the threaded block 19, the blocks 18 and the bracket plates 8 are stably fixed through the screw sleeve 7.

[0032] In some technical solutions, such as Figure 4 As shown, both sides of the support plate 1 are provided with insertion holes 20, and both sides of the bottom end of the waste collection box 10 are fixed with insertion blocks 21, and the two insertion blocks 21 are movably arranged inside the two insertion holes 20, respectively. The size of the insertion holes 20 is adapted to the size of the insertion blocks 21, so as to prevent the insertion blocks 21 and the waste collection box 10 from shifting in the horizontal direction.

[0033] In some technical solutions, such as Figure 3 and Figure 4 As shown, the size of the inner circle of the vertical sleeve 14 is matched with the size of the column 13, so that the vertical sleeve 14 and the flat plate 12 can be stably raised and lowered, and the inner circle of the side sleeve 3 is rectangular, and the size of the inner circle of the side sleeve 3 is matched with the size of the side column 4, so that the side column 4, the vertical plate 5, the support sleeve 6, the bracket plate 8 and the positioning block 9 can be stably moved horizontally.

[0034] In some technical solutions, such as Figure 1 and Figure 4 As shown, the side walls of the two vertical plates 5 located at the lower side of the support plate 1 that are close to each other are hinged with inclined inclined shafts 11, and the bottom ends of the two inclined shafts 11 are respectively hinged to the two sides of the top wall of the flat plate 12, and the two inclined shafts 11 are symmetrically arranged. The spacing between the top ends of the two inclined shafts 11 is greater than the spacing between the bottom ends of the two inclined shafts 11. By extending the electric cylinder 15, the flat plate 12 and the vertical sleeve 14 can be driven to descend, and the flat plate 12 can drive the bottom ends of the two inclined shafts 11 to descend, so that the top ends of the two inclined shafts 11 can drive the two vertical plates 5 closer to each other. By contracting the electric cylinder 15, the flat plate 12 can be driven to rise, and the flat plate 12 can drive the bottom ends of the two inclined shafts 11 to rise, so that the top ends of the two inclined shafts 11 can drive the two vertical plates 5 away from each other.

[0035] When in use, if it is necessary to position the workpiece, first place the workpiece inside the waste collection box 10, and make the top of the workpiece the part that needs to be CNC milled. At this time, the workpiece is located between the two positioning blocks 9, and then the electric cylinder 15 is extended to drive the flat plate 12 and the vertical sleeve 14 to descend, so that the flat plate 12 can drive the bottom ends of the two inclined shafts 11 to descend, so that the top ends of the two inclined shafts 11 can drive the two vertical plates 5 to approach each other, so that the two support sleeves 6 can approach each other, so that the two support plates 8 can drive the two positioning blocks 9 to approach each other, until the side walls of the two positioning blocks 9 approaching each other respectively press the two sides of the workpiece, and the workpiece can be stably clamped and positioned by the two positioning blocks 9, and the distance between the two positioning blocks 9 can be reduced by extending the electric cylinder 15, and the flat plate 12 can be driven to rise by contracting the electric cylinder 15, so that the flat plate 12 can drive the bottom ends of the two inclined shafts 11 to rise, so that the top ends of the two inclined shafts 11 can drive the two vertical plates 5 to move away from each other, so that the two support plates 8 can be The two positioning blocks 9 can be driven away from each other to realize the distance between the two positioning blocks 9, that is, the distance between the two positioning blocks 9 can be adjusted according to the size of the workpiece, so that the two positioning blocks 9 can realize stable clamping and positioning for workpieces of different sizes. In the process of positioning the workpiece, the utility model does not need to select a mounting plate of a matching model, and can directly realize stable positioning for workpieces of different sizes. The process of positioning the workpiece is simple and time-saving, and the working hours of CNC milling processing can be shortened. After the workpiece is positioned, during the process of CNC milling of the top of the workpiece, the milling waste can be collected by the waste collection box 10. If the milling waste needs to be cleaned, the screw sleeve 7 is first removed, and then the bracket plate 8 is lifted upward until the clamping block 18 and the threaded block 19 are separated from the support sleeve 6, and the bracket plate 8 and the positioning block 9 can be removed, and then the waste collection box 10 is lifted upward until the plug block 21 is separated from the plug hole 20, and the milling waste inside the waste collection box 10 can be dumped out, and the milling waste can be cleaned, which is convenient for collecting milling waste and cleaning milling waste, and the convenience is high.

[0036] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A positioning device for CNC milling, comprising a support plate (1), characterized in that: Both ends of the top wall of the support plate (1) are fixed with horizontal side sleeves (3), the inner circle of the side sleeves (3) is movably provided with horizontal side columns (4), both sides of the support plate (1) are provided with rectangular shift holes (2), the side ends of the two side columns (4) close to each other are fixed with vertical upright plates (5), the two upright plates (5) are movably arranged in the inside of the two shift holes (2), the side walls of the tops of the two upright plates (5) close to each other are fixed with vertical support sleeves (6), the top of the support sleeves (6) is fixed with an L-shaped bracket plate (8), the two bracket plates (8) close to each other are fixed with vertical support sleeves (6), and the two bracket plates (8) close to each other are fixed with vertical support sleeves (6). Positioning blocks (9) are fixed on the side walls, a waste collection box (10) without a top wall is movably provided in the middle section of the top wall of the support plate (1), vertical columns (13) are fixed on both sides of the bottom wall of the support plate (1), a vertical sleeve (14) is movably provided on the outer side of the column (13), and a horizontal flat plate (12) is fixedly provided on the outer ring of the two vertical sleeves (14), an electric cylinder (15) with an output end facing downward is installed in the middle position of the bottom wall of the support plate (1), the flat plate (12) is fixed to the output end of the electric cylinder (15), and the vertical plate (5) is transmission-connected to the flat plate (12).

2. A positioning device for CNC milling according to claim 1, characterized in that: A horizontal bottom plate (16) is fixed to the bottom ends of the two upright posts (13), and circular mounting holes (17) are provided at the four corners of the bottom plate (16).

3. A positioning device for CNC milling according to claim 1, characterized in that: The bottom of the support plate (8) is located inside the waste collection box (10), the bottom of the positioning block (9) is located inside the waste collection box (10), and the positioning block (9) is made of rubber.

4. A positioning device for CNC milling according to claim 1, characterized in that: The inner ring of the support sleeve (6) is rectangular, and a clamping block (18) is fixed on the bottom walls of the two support plates (8) that are away from each other. The clamping block (18) is movably arranged on the inner ring of the support sleeve (6). The size of the inner ring of the support sleeve (6) is matched with the size of the clamping block (18). A cylindrical threaded block (19) is fixed at the bottom end of the clamping block (18). The outer thread sleeve of the threaded block (19) is provided with a screw sleeve (7), and the top end of the screw sleeve (7) is in contact with the bottom end of the support sleeve (6).

5. A positioning device for CNC milling according to claim 1, characterized in that: Insertion holes (20) are provided on both sides of the support plate (1), and insertion blocks (21) are fixed on both sides of the bottom end of the waste collection box (10). The two insertion blocks (21) are movably arranged inside the two insertion holes (20), and the size of the insertion hole (20) is matched with the size of the insertion block (21).

6. A positioning device for CNC milling according to claim 1, characterized in that: The size of the inner ring of the vertical sleeve (14) is matched with the size of the vertical column (13).

7. A positioning device for CNC milling according to claim 1, characterized in that: The inner ring of the side sleeve (3) is rectangular, and the size of the inner ring of the side sleeve (3) is compatible with the size of the side column (4).

8. The positioning device for CNC milling according to claim 1, characterized in that: The two vertical plates (5) located at the lower side of the support plate (1) are both hinged with inclined axes (11) on the mutually adjacent side walls, the bottom ends of the two inclined axes (11) are respectively hinged to the two sides of the top wall of the flat plate (12), the two inclined axes (11) are symmetrically arranged, and the distance between the top ends of the two inclined axes (11) is greater than the distance between the bottom ends of the two inclined axes (11).

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