Flat grinding clamp capable of clamping multiple sets of cutters for CBN cutter machining

Abstract

The utility model discloses a CBN cutter machining plane grinding clamp capable of clamping multiple sets of cutters, which comprises a machining machine table, the upper end surface of the machining machine table is fixedly connected with a lifting operation frame through a supporting column, the lifting operation frame is provided with a fixed sliding column, the fixed sliding column is provided with a cutter lifting platform seat, and the cutter lifting platform seat is provided with a cutter lifting platform. A tool body is mounted at the lower end of the tool lifting pedestal, a tool mounting seat is mounted on the tool body, and a plurality of tool drilling and milling machine heads are detachably mounted on the tool mounting seat. The lifting adjusting mechanism convenient to drive and control is installed, the installation operation height of the tool body can be conveniently and rapidly adjusted, meanwhile, a rotating wheel belt transmission structure is matched with a gear meshing transmission device, synchronous driving drilling and milling operation can be conveniently conducted on the multiple sets of tools, the multiple sets of tools are rapidly disassembled and assembled, and the working efficiency is improved. Assembly and disassembly are convenient and fast, and the cutter drilling and milling machine head is convenient to replace and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of CBN tool processing, in particular to a flat grinding fixture for CBN tool processing which can clamp multiple groups of tools. Background Art

[0002] CBN crystals and diamond crystals are both sphalerite-type, with similar lattice constants and the same chemical bond type. Therefore, CBN has a hardness and compressive strength close to that of diamond. Because it is composed of N and B atoms, it has higher thermal stability and chemical inertness than diamond. CBN materials are often used as tool heads for precision machining. In the mass production process of CBN tools, fixtures are needed to fix the tools.

[0003] The Chinese patent document with authorization announcement number CN207736553U discloses a positioning fixture for ultra-high hardness CBN tool processing, comprising a platform, the top of the platform is fixedly connected to a guide base, the side wall of the guide base is movably connected to a sliding fixture, the upper side of the sliding fixture is fixedly connected to a connecting frame, the top of the platform is fixedly connected to a limiting frame, a top frame is movably connected between the limiting frames, a movable cavity is opened inside the top frame, one end of the connecting frame is fixedly connected to a slider, a pulley is fixedly installed on the slider, a slide rail is fixedly installed in the movable cavity, the pulley is opposite to the slide rail and is movably connected, and the upper part of the top frame is fixedly connected to an electric telescopic rod, relating to the field of tool processing. The utility model has a simple structure, is convenient and practical, has accurate positioning, can be quickly loaded and unloaded, and self-locked and clamped, thereby improving processing quality and efficiency, and is easy to promote and apply.

[0004] The above-mentioned existing technology cannot quickly disassemble and fix multiple sets of tool assemblies on the fixture, and cannot perform lifting control and adjustment and synchronous drive rotation drilling and milling operations on multiple sets of tools. Therefore, it is necessary to develop a flat grinding fixture for CBN tool processing that can clamp multiple sets of tools. Utility Model Content

[0005] The purpose of the present utility model is to provide a flat grinding fixture for CBN tool processing that can clamp multiple sets of tools, so as to solve the problems in the prior art proposed in the above-mentioned background technology that it is impossible to quickly disassemble and fix multiple sets of tool assemblies on the fixture, and it is also impossible to control the lifting and adjustment of multiple sets of tools and synchronously drive the rotary drilling and milling operations.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a flat grinding fixture for CBN tool processing that can clamp multiple sets of tools, including a processing machine table, the upper end surface of the processing machine table is fixedly connected to a lifting work frame through a support column, the lifting work frame is equipped with a fixed slide column, the fixed slide column is equipped with a tool lifting platform, the lower end of the tool lifting platform is equipped with a tool body, the tool body is equipped with a tool mounting seat, and multiple tool drilling and milling heads are detachably mounted on the tool mounting seat.

[0007] Preferably, the lower end surface of the tool lifting platform is fixedly connected to a lifting plate via a bracket, and the interior of the lifting plate is slidably connected to a fixed sliding column via a lifting sliding sleeve.

[0008] Preferably, a hydraulic cylinder is installed at the bottom of the processing machine, the output end of the hydraulic cylinder is fixedly connected to the lower end surface of the lifting plate through a hydraulic support rod, and a driving motor is installed on the upper end surface of the lifting plate.

[0009] Preferably, the output end of the driving motor is connected to a driving wheel via a rotating shaft, the surface of the driving wheel is connected to a driven small wheel via a belt, the center of the surface of the driven small wheel is connected to a driven large wheel via a rotating shaft, and the surface of the driven large wheel is connected to a transmission roller via a conveyor belt.

[0010] Preferably, a driving gear is connected to the center of the surface of the transmission roller via a rotating shaft, and the driving gear is connected to the driven gear via meshing transmission, and both the driving gear and the driven gear are mounted on a tool mounting seat.

[0011] Preferably, a tool fixing sleeve is fixedly connected to the center of the surface of the driven gear via a transmission shaft, and a detachable structure is formed between the tool fixing sleeve and the transmission shaft.

[0012] Preferably, the lower end of the tool fixing sleeve is fixedly connected to the tool fixing shaft through a locking nut, and the lower end of the tool fixing shaft is installed with a tool drilling and milling head.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model is equipped with a lifting and adjusting mechanism with convenient drive control, which facilitates the rapid adjustment of the installation working height of the tool body. At the same time, the use of a rotary belt transmission structure in conjunction with a gear meshing transmission device facilitates the synchronous driving of multiple sets of tools for drilling and milling operations. The quick-disassembly assembly design of multiple sets of tools has the advantages of convenient and fast assembly and disassembly, and convenient replacement and maintenance of tool drilling and milling machine heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the exploded structure of the tool body of the present utility model.

[0018] In the figure: 1. Hydraulic cylinder; 2. Fixed slide; 3. Lifting plate; 4. Support column; 5. Lifting sleeve; 6. Bracket; 7. Driving motor; 8. Lifting work frame; 9. Driving wheel; 10. Belt; 11. Driven small wheel; 12. Driven large wheel; 13. Tool lifting platform; 14. Transmission roller; 15. Conveyor belt; 16. Tool body; 17. Processing machine; 18. Hydraulic support rod; 19. Driven gear; 20. Transmission shaft; 21. Tool fixing sleeve; 22. Locking nut; 23. Tool fixing shaft; 24. Tool drilling and milling head; 25. Driving gear; 26. Tool mounting seat. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-3 The utility model provides an embodiment: a flat grinding fixture for CBN tool processing that can clamp multiple sets of tools, including a processing machine table 17, the upper end surface of the processing machine table 17 is fixedly connected to a lifting work frame 8 through a support column 4, the lifting work frame 8 is installed with a fixed slide column 2, the fixed slide column 2 is installed with a tool lifting platform 13, the lower end of the tool lifting platform 13 is installed with a tool body 16, the tool body 16 is installed with a tool mounting seat 26, and a plurality of tool drilling and milling machine heads 24 are detachably mounted on the tool mounting seat 26.

[0021] Furthermore, the lower end surface of the tool lifting platform 13 is fixedly connected to the lifting plate 3 through the bracket 6, and the interior of the lifting plate 3 is slidingly connected to the fixed slide column 2 through the lifting sleeve 5. A hydraulic cylinder 1 is installed at the bottom of the processing machine 17, and the output end of the hydraulic cylinder 1 is fixedly connected to the lower end surface of the lifting plate 3 through the hydraulic support rod 18. By providing a lifting adjustment control device, the hydraulic cylinder 1 can drive and control the hydraulic support rod 18 to drive the lifting plate 3 to slide vertically along the surface of the fixed slide column 2, which is convenient for rapid adjustment and control of the installation height of the tool body 16.

[0022] Furthermore, a driving motor 7 is installed on the upper end surface of the lifting plate 3, and the output end of the driving motor 7 is connected to the driving wheel 9 through a rotating shaft. The surface of the driving wheel 9 is connected to the driven small wheel 11 through a belt 10, and the surface center of the driven small wheel 11 is connected to the driven large wheel 12 through a rotating shaft. The surface of the driven large wheel 12 is connected to the transmission roller 14 through a conveyor belt 15, and the surface center of the transmission roller 14 is connected to a driving gear 25 through a rotating shaft. The driving gear 25 is connected to the driven gear 19 through meshing transmission. The driving gear 25 and the driven gear 19 are both installed on the tool mounting seat 26. By turning on the driving motor 7, the motor drives the driving wheel 9, the driven small wheel 11 and the driven large wheel 12 to rotate. Under the action of the conveyor belt 15 and the transmission roller 14, the driving gear 25 and the driven gear 19 are meshed and transmitted. The surface center of the driven gear 19 is fixedly connected to the tool fixing sleeve 21 through a transmission shaft 20, and the tool fixing sleeve 21 can be rotationally controlled.

[0023] Furthermore, the tool fixing sleeve 21 and the transmission shaft 20 are in a detachable structure, which has the advantages of easy connection and convenient disassembly and maintenance.

[0024] Furthermore, the lower end of the tool fixing sleeve 21 is fixedly connected to the tool fixing shaft 23 through a locking nut 22, and the lower end of the tool fixing shaft 23 is installed with a tool drilling and milling head 24, which is convenient for quick installation and positioning of the tool drilling and milling head 24, and has the advantage of convenient and quick installation and disassembly.

[0025] Working principle: When in use, the upper end surface of the processing machine 17 is fixedly connected to the lifting work frame 8 through the support column 4, the lifting work frame 8 is installed with a fixed slide column 2, and the fixed slide column 2 is installed with a tool lifting platform 13, and the lower end of the tool lifting platform 13 is installed with a tool body 16, and a tool mounting seat 26 is installed on the tool body 16. A plurality of tool drilling and milling machine heads 24 are detachably installed on the tool mounting seat 26. By turning on the hydraulic cylinder 1, the hydraulic support rod 18 can be driven and controlled to drive the lifting plate 3 to slide vertically along the surface of the fixed slide column 2, so as to facilitate rapid adjustment and control of the installation height of the tool body 16. Turn on the drive motor 7, and the driving wheel 9, the driven small wheel 11 and the driven large wheel 12 are driven by the motor to rotate. Under the action of the conveyor belt 15 and the transmission roller 14, the driving gear 25 and the driven gear 19 are engaged and transmitted. The surface center of the driven gear 19 is fixedly connected to the tool fixing sleeve 21 through the transmission shaft 20, and the tool fixing sleeve 21 can be rotationally controlled. The tool fixing sleeve 21 and the transmission shaft 20 are detachable structures, which have the advantages of convenient connection and convenient disassembly and maintenance. The lower end of the tool fixing sleeve 21 is fixedly connected to the tool fixing shaft 23 through a locking nut 22, which is convenient for quick alignment and locking of the tool fixing shaft 23. The lower end of the tool fixing shaft 23 is equipped with a tool drilling and milling head 24, which is convenient for quick installation and alignment of the tool drilling and milling head 24, and has the advantages of convenient and quick installation and disassembly.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the existing technology. In addition, the machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0028] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flat grinding fixture for CBN tool processing capable of clamping multiple sets of tools, comprising a processing machine (17), characterized in that: The upper end surface of the processing machine (17) is fixedly connected to a lifting work frame (8) through a support column (4), a fixed slide column (2) is installed on the lifting work frame (8), a tool lifting platform (13) is installed on the fixed slide column (2), a tool body (16) is installed on the lower end of the tool lifting platform (13), a tool mounting seat (26) is installed on the tool body (16), and a plurality of tool drilling and milling machine heads (24) are detachably mounted on the tool mounting seat (26).

2. The flat grinding fixture for CBN tool processing capable of holding multiple tool groups according to claim 1, characterized in that: The lower end surface of the tool lifting platform (13) is fixedly connected to a lifting plate (3) via a bracket (6), and the interior of the lifting plate (3) is slidably connected to a fixed sliding column (2) via a lifting sliding sleeve (5).

3. The flat grinding fixture for CBN tool processing capable of holding multiple tool groups according to claim 1, characterized in that: A hydraulic cylinder (1) is installed at the bottom of the processing machine (17), and the output end of the hydraulic cylinder (1) is fixedly connected to the lower end surface of the lifting plate (3) through a hydraulic support rod (18), and a driving motor (7) is installed on the upper end surface of the lifting plate (3).

4. The flat grinding fixture for CBN tool processing capable of holding multiple tool groups according to claim 3, characterized in that: The output end of the driving motor (7) is connected to a driving wheel (9) via a rotating shaft, the surface of the driving wheel (9) is connected to a driven small wheel (11) via a belt (10), the center of the surface of the driven small wheel (11) is connected to a driven large wheel (12) via a rotating shaft, and the surface of the driven large wheel (12) is connected to a transmission roller (14) via a conveyor belt (15).

5. The flat grinding fixture for CBN tool processing capable of holding multiple tool groups according to claim 4, characterized in that: The center of the surface of the transmission roller (14) is connected to a driving gear (25) via a rotating shaft, and the driving gear (25) is connected to a driven gear (19) via meshing transmission. The driving gear (25) and the driven gear (19) are both mounted on a tool mounting seat (26).

6. A flat grinding fixture for CBN tool processing capable of holding multiple tool groups according to claim 5, characterized in that: A tool fixing sleeve (21) is fixedly connected to the center of the surface of the driven gear (19) via a transmission shaft (20), and a detachable structure is formed between the tool fixing sleeve (21) and the transmission shaft (20).

7. A flat grinding fixture for CBN tool processing capable of holding multiple tool groups according to claim 6, characterized in that: The lower end of the tool fixing sleeve (21) is fixedly connected to a tool fixing shaft (23) via a locking nut (22), and a tool drilling and milling machine head (24) is installed at the lower end of the tool fixing shaft (23).

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