Positioning and trimming device of CNC forming grinding machine

Abstract

The utility model relates to the technical field of CNC forming grinding machines, in particular to a positioning and trimming device of a CNC forming grinding machine, which comprises a measuring sleeve, a sealing shell is fixedly connected to the top of the measuring sleeve, a bearing block is fixedly connected in the sealing shell, a worm gear is rotatably connected to the top of the bearing block, a screw rod is in threaded connection with the inside of the worm gear, and a screw rod is arranged in the screw rod. A worm is meshed with one side of the worm gear, a rotary knob is embedded in one end of the worm, a limiting assembly is arranged on one side of the lead screw and used for limiting rotation of the lead screw, and a fixing assembly is arranged at the top of the lead screw. The worm is rotated to drive the worm gear to rotate, the worm gear drives the lead screw to ascend and descend in the measuring sleeve, the ascending and descending height of the lead screw can be observed through the scale marking groove when the lead screw ascends and descends, the lead screw structure is more accurate, and the problems that in the prior art, the height is only manually adjusted, precision is not accurate, multiple times of measurement are needed, and the measuring accuracy is poor are solved. And the production efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC forming grinders, in particular to a positioning and trimming device for CNC forming grinders. Background Art

[0002] CNC forming grinder, also known as CNC grinder, is a machine tool that uses abrasive tools to grind the surface of workpieces through CNC technology. Most grinders use high-speed rotating grinding wheels for grinding, and a few use other grinding tools such as oilstones and abrasive belts and free abrasives for processing, such as honing machines, super finishing machines, belt grinders, grinders and polishing machines.

[0003] Because the mold will be worn during the grinding process, when it is used for a long time, the height of the mold must be measured regularly. When the deviation is measured, the alloy cutter head must be used to grind the concave and convex parts of the mold flat. The existing detection method is to manually adjust the height of the measuring instrument fixing frame, which will cause deviations during measurement and requires multiple adjustments for measurement. After that, the alloy cutter head is fixed on the mounting frame to trim the mold. However, this method requires multiple adjustments for measurement during positioning, which affects production efficiency, and the alloy cutter head needs to be matched with a fixing fixture of the corresponding height, resulting in a high cost.

[0004] Therefore, a positioning and dressing device for a CNC forming grinder is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning and trimming device for a CNC forming grinder to solve the problems mentioned in the above background technology that the previous positioning requires multiple measurements, affecting production efficiency, and the fixing fixture of the alloy tool head requires various sizes, resulting in high costs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a measuring sleeve, a sealing shell fixedly connected to the top of the measuring sleeve, a bearing block fixedly connected to the inside of the sealing shell, a worm wheel rotatably connected to the top of the bearing block, a screw threadedly connected to the inside of the worm wheel, a worm meshed with one side of the worm wheel, a knob embedded at one end of the worm, a limit assembly is arranged on one side of the screw, the limit assembly comprises a limit groove, the limit groove is arranged on the outside of the screw, an embedding block is slidably connected to the inside of the limit groove, the embedding block is fixedly connected to the inside of the measuring sleeve, a scale marking groove is arranged on one side of the measuring sleeve, the limit assembly is used to limit the rotation of the screw, a fixing assembly is arranged on the top of the screw, and the fixing assembly is used to install an outer diameter gauge.

[0007] Preferably, an embedding block is fixedly connected to the outside of the measuring sleeve, a connecting platform is embedded on the outside of the embedding block, and the sealing shell abuts against the top of the connecting platform.

[0008] Preferably, the outside of the worm is rotatably connected to a protective shell, the protective shell abuts against the top of the connecting platform, the outside of the worm is fixedly connected to a support sleeve near the knob position, the support sleeve is rotatably connected to the inside of the protective shell, and the protective shell is connected to the sealing shell.

[0009] Preferably, the fixing assembly comprises a fixing disk, a screw rod is rotatably connected inside the fixing disk, and a pushing block is abutted against a side of the screw rod close to the fixing disk.

[0010] Preferably, the pushing block is fixedly connected to a pushing rubber block on the side away from the screw rod, the fixed plate is fixedly connected to a fixed rubber block on the side close to the pushing rubber block, and the pushing block is provided with an adapter component on the side close to the screw rod, and the adapter component is used to adapt to workpieces of different shapes.

[0011] Preferably, the adapter assembly includes a sliding groove, the sliding groove is opened inside the fixed plate, a telescopic rod is slidably connected inside the sliding groove, a spring is sleeved outside the telescopic rod, and the spring is fixedly connected to the pushing block near the screw side.

[0012] Preferably, the telescopic rod is arranged in a "T" shape, a limiting block is fixedly connected inside the measuring sleeve, and one end of the limiting block abuts against one side of the screw rod.

[0013] Beneficial effects of the utility model:

[0014] The utility model drives the worm wheel to rotate by rotating the worm, so that the worm wheel drives the lead screw to perform lifting and lowering movements inside the measuring sleeve. When the lead screw is lifted or lowered, the lifting height of the lead screw can be observed through the scale marking groove, and the lead screw structure is more precise, which solves the problem of inaccurate precision caused by only manually adjusting the height, requiring multiple measurements, and reducing production efficiency.

[0015] The utility model uses a screw to push the pushing block and the pushing rubber block to contact the outer diameter gauge or the alloy cutter head, and then fixes them by extrusion of the fixed rubber block, and the telescopic rod cooperates with the spring to adjust the wrapping in different directions, which solves the problem of high trimming cost caused by replacing the fixing fixture of the corresponding size to fix the alloy cutter head after measurement, thereby reducing the trimming cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1This is a schematic diagram of the three-dimensional structure of a positioning and trimming device for a CNC forming grinder according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a measuring sleeve of a positioning and trimming device for a CNC forming grinder according to an embodiment of the utility model;

[0019] Figure 3 A positioning and trimming device for a CNC forming grinder according to an embodiment of the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 This is a schematic cross-sectional structure diagram of a fixed disk of a positioning and trimming device of a CNC forming grinder according to an embodiment of the utility model;

[0021] Figure 5 A positioning and trimming device for a CNC forming grinder according to an embodiment of the utility model Figure 4 The enlarged structural diagram at B in the middle;

[0022] Figure 6 This is a schematic diagram of a three-dimensional cross-sectional structure of a positioning and trimming device for a CNC forming grinder according to an embodiment of the utility model;

[0023] Figure 7 A positioning and trimming device for a CNC forming grinder according to an embodiment of the utility model Figure 6 Enlarged structural diagram at point C in the middle.

[0024] The markings in the figure are: 1. screw; 2. worm gear; 3. worm; 4. knob; 5. protective shell; 6. sealing shell; 7. measuring sleeve; 8. scale marking groove; 9. limit block; 10. support sleeve; 11. limit groove; 12. mosaic block; 13. embedded block; 14. bearing block; 15. fixed plate; 16. sliding groove; 17. telescopic rod; 18. spring; 19. screw; 20. pushing block; 21. pushing rubber block; 22. fixing rubber block; 23. connecting table. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] like Figures 1 to 7 As shown, a specific embodiment of the utility model provides a positioning and dressing device for a CNC forming grinder, including a measuring sleeve 7, a sealing shell 6 is fixedly connected to the top of the measuring sleeve 7, a bearing block 14 is fixedly connected to the inside of the sealing shell 6, a worm wheel 2 is rotatably connected to the top of the bearing block 14, a screw 1 is threadedly connected to the inside of the worm wheel 2, a worm 3 is meshed with one side of the worm wheel 2, a knob 4 is embedded at one end of the worm 3, a limit assembly is arranged on one side of the screw rod 1, the limit assembly is used to limit the rotation of the screw rod 1, a fixing assembly is arranged on the top of the screw rod 1, the fixing assembly is used to install an outer diameter gauge, the limit assembly includes a limit groove 11, the limit groove 11 is opened on the outside of the screw rod 1, an embedding block 12 is slidably connected to the inside of the limit groove 11, the embedding block 12 is fixedly connected to the inside of the measuring sleeve 7, and a scale marking groove 8 is opened on one side of the measuring sleeve 7.

[0028] By adopting the above technical scheme, the utility model drives the worm 3 to rotate outside the bearing block 14 by turning the knob 4, so that the worm 3 drives the worm wheel 2 to rotate. At this time, the screw 1 is restricted by the interlocking block 12 inside the limit groove 11, so that it cannot rotate, so that the screw 1 will move upward along the interlocking block 12. At this time, the rising height of the screw 1 is observed through the scale marking groove 8. When the required height is reached, the rotation can be stopped, and the outer diameter gauge can be clamped by the fixing component to measure the outer diameter of the mold. When the measurement is completed, the alloy cutter head can also be fixed by the fixing component to perform the trimming of the mold. In this way, the effect of multiple usage methods of one device is achieved, which not only improves the measurement accuracy, but also saves the time required for adjustment.

[0029] Specifically, Figure 5 and Figure 6As shown, the outside of the measuring sleeve 7 is fixedly connected to an embedding block 13, the outside of the embedding block 13 is embedded with a connecting platform 23, the sealing shell 6 abuts against the top of the connecting platform 23, the outside of the worm 3 is rotatably connected to a protective shell 5, the protective shell 5 abuts against the top of the connecting platform 23, the outside of the worm 3 is fixedly connected to a support sleeve 10 near the knob 4, the support sleeve 10 is rotatably connected to the inside of the protective shell 5, the protective shell 5 is connected to the sealing shell 6, and the fixing component includes a fixing disk 15, the inside of the fixing disk 15 is rotatably connected to a screw 19, and the screw 19 abuts against a push block 20 on one side close to the fixing disk 15.

[0030] By adopting the above technical solution, the measuring sleeve 7 is fixed inside the connecting platform 23 by embedding the embedding block 13 into the connecting platform 23, so that the friction surface can be increased, so that it can be guaranteed to be more stable in the subsequent dressing process. The protective shell 5 and the sealing shell 6 wrap the worm wheel 2 and the worm 3, which can ensure that during dressing, impurities under the dressing of the mold will not enter between the worm wheel 2 and the worm 3 and affect the lifting and lowering of the screw 1. In this way, the stability of the operation of the equipment is improved. When fixing the outer diameter gauge or the alloy cutter head, the screw 19 can be rotated to push the pushing block 20 to cooperate with the fixed plate 15 to fix the outer diameter gauge and the mold.

[0031] Specifically, Figure 5 and Figure 6 As shown, a pushing rubber block 21 is fixedly connected to the side of the pushing block 20 away from the screw 19, a fixed rubber block 22 is fixedly connected to the side of the fixed plate 15 close to the pushing rubber block 21, an adapter component is provided on the side of the pushing block 20 close to the screw 19, and the adapter component is used to adapt to workpieces of different shapes. The adapter component includes a sliding groove 16, and the sliding groove 16 is opened inside the fixed plate 15. A telescopic rod 17 is slidably connected inside the sliding groove 16. A spring 18 is sleeved on the outside of the telescopic rod 17. The spring 18 is fixedly connected to the side of the pushing block 20 close to the screw 19. The telescopic rod 17 is arranged in a "T" shape. A limiting block 9 is fixedly connected to the inside of the measuring sleeve 7, and one end of the limiting block 9 abuts against one side of the screw 1.

[0032] By adopting the above technical solution, it is achieved that when fixing, the screw 19 pushes the pushing block 20 to squeeze, and the pushing rubber block 21 and the fixed rubber block 22 have a buffering and wrapping effect, thereby avoiding damage to the head of the outer diameter gauge due to excessive pressure, and the wrapping of the pushing rubber block 21 and the fixed rubber block 22 ensures that when fixing any workpiece, it has good wrapping and fixing effects, and the way in which the telescopic rod 17 squeezes the spring 18 to push the pushing block 20 can better disperse the pressure. After use, the knob 4 can be reversed to retract the screw rod 1. When the screw rod 1 reaches the limit block 9, it will be unable to rotate, which also indicates that the screw rod 1 has returned to zero.

[0033] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0034] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A positioning and trimming device for a CNC forming grinder, comprising a measuring sleeve (7), characterized in that: The top of the measuring sleeve (7) is fixedly connected to a sealing shell (6), the inside of the sealing shell (6) is fixedly connected to a bearing block (14), the top of the bearing block (14) is rotatably connected to a worm wheel (2), the inside of the worm wheel (2) is threadedly connected to a lead screw (1), one side of the worm wheel (2) is meshed with a worm (3), and one end of the worm (3) is embedded with a knob (4); A limit assembly is provided on one side of the screw rod (1), the limit assembly comprising a limit groove (11), the limit groove (11) being provided on the outside of the screw rod (1), a fitting block (12) being slidably connected inside the limit groove (11), the fitting block (12) being fixedly connected inside the measuring sleeve (7), a scale mark groove (8) being provided on one side of the measuring sleeve (7), the limit assembly being used to limit the rotation of the screw rod (1), a fixing assembly being provided on the top of the screw rod (1), the fixing assembly being used to mount an external diameter gauge.

2. A positioning and trimming device for a CNC forming grinder according to claim 1, characterized in that: The measuring sleeve (7) is fixedly connected to an embedding block (13) on the outside, the embedding block (13) is embedded with a connecting platform (23) on the outside, and the sealing shell (6) abuts against the top of the connecting platform (23).

3. The positioning and trimming device for a CNC forming grinder according to claim 1, characterized in that: The outside of the worm (3) is rotatably connected to a protective shell (5), the protective shell (5) abuts against the top of the connecting platform (23), the outside of the worm (3) is fixedly connected to a support sleeve (10) near the knob (4), the support sleeve (10) is rotatably connected to the inside of the protective shell (5), and the protective shell (5) is connected to the sealing shell (6).

4. A positioning and trimming device for a CNC forming grinder according to claim 3, characterized in that: The fixing assembly comprises a fixing disk (15), a screw rod (19) being rotatably connected inside the fixing disk (15), and a pushing block (20) being abutted on a side of the screw rod (19) close to the fixing disk (15).

5. The positioning and trimming device for a CNC forming grinder according to claim 4, characterized in that: A push rubber block (21) is fixedly connected to the side of the push block (20) away from the screw rod (19), a fixed rubber block (22) is fixedly connected to the side of the fixed plate (15) close to the push rubber block (21), and an adapter component is provided on the side of the push block (20) close to the screw rod (19), the adapter component being used to adapt to workpieces of different shapes.

6. A positioning and trimming device for a CNC forming grinder according to claim 5, characterized in that: The adapter assembly comprises a sliding groove (16), wherein the sliding groove (16) is provided inside the fixed plate (15), a telescopic rod (17) is slidably connected inside the sliding groove (16), a spring (18) is sleeved outside the telescopic rod (17), and the spring (18) is fixedly connected to a side of the pushing block (20) close to the screw rod (19).

7. A positioning and trimming device for a CNC forming grinder according to claim 6, characterized in that: The telescopic rod (17) is arranged in a "T" shape, and the measuring sleeve (7) is fixedly connected to a limit block (9) inside, and one end of the limit block (9) abuts against one side of the screw rod (1).

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