CN214684601U

CN214684601U - Rapid tool changing tool for gear hobbing machine

Info

Publication number: CN214684601U
Application number: CN202120639040.6U
Authority: CN
Inventors: 徐教娇
Original assignee: Nanjing Sae Machinery Co ltd
Current assignee: Nanjing Sae Machinery Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-12
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to a gear hobbing machine technical field just discloses gear hobbing machine quick tool changing frock, which comprises a fixing frame, the mid-mounting of mount bottom has the screw thread piece, the threaded rod is alternate in the vertical activity in middle part of mount bottom, the threaded rod alternates at the middle part of screw thread piece and is connected rather than the meshing, the regulating block is installed to the bottom of threaded rod, moving mechanism is installed on the top of threaded rod, the support frame is installed on moving mechanism's top. The utility model discloses reset spring can drive the inside that the check lock pole alternates the fixed orifices to limit baffle's promotion to can make the dead lever fix in the inside of latch segment, and shift out from the inside of fixed orifices through pulling the check lock pole to the outside, can conveniently change the cutter body, thereby can realize the quick replacement to gear hobbing machine cutter, improve gear hobbing machine's work efficiency then, it is comparatively convenient when the tool changing.

Description

Rapid tool changing tool for gear hobbing machine

Technical Field

The utility model relates to a gear hobbing machine technical field especially relates to gear hobbing machine quick tool changing frock.

Background

The hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth, helical gears, worm gears, chain wheels and the like on the hobbing machine, and machine tools for processing the straight teeth, helical teeth, herringbone gears, cylindrical gears and worm gears by hobbing cutters according to a generating method, and when the hobbing cutters are specially made, the machine tools can also machine workpieces with various special tooth shapes, such as splines, chain wheels and the like.

The cutter frame on the gear hobbing machine is inconvenient when a cutter is installed, needs a long time when the cutter is replaced generally, is troublesome when in use, and needs to be adjusted again when the cutters of different sizes are installed, is inconvenient when in use, causes certain influence on production efficiency, and provides a quick cutter changing tool of the gear hobbing machine to solve the problem.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the cutter frame on the gear hobbing machine is inconvenient when the cutter is installed, needs longer time when changing the cutter usually, and is troublesome when using to still need adjust once more when installing the not unidimensional cutter, it is inconvenient when using, causes certain influence to production efficiency, and the quick tool changing frock of gear hobbing machine that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the quick tool changing tool for the gear hobbing machine comprises a fixing frame, wherein a threaded block is arranged in the middle of the bottom end of the fixing frame, a threaded rod is vertically movably inserted in the middle of the bottom end of the fixing frame, the threaded rod is inserted in the middle of the threaded block and is meshed with the threaded block, an adjusting block is arranged at the bottom end of the threaded rod, a movable mechanism is arranged at the top end of the threaded rod, a supporting frame is arranged at the top end of the movable mechanism, a sliding groove is vertically formed in the middle of the inner side wall of the fixing frame, a limiting block is arranged on the left side of the supporting frame, the left side of the limiting block is movably inserted in the sliding groove, a movable bearing is arranged in the supporting frame, a fixed block is arranged in the movable bearing, a tool body is arranged in the middle of the top end of the fixed block, a fixed rod is arranged at the top end of the tool body, the top end of the fixed rod is movably inserted in the middle of the top end of the fixing frame, the utility model discloses a safety lock, including dead lever, fixed slot, check lock, stop dog and reset spring, the top cover of dead lever is equipped with the latch segment, the mid-mounting on latch segment top has the drive shaft, the fixed slot has all been seted up to the both sides of latch segment, the equal horizontal activity interlude in inside of fixed slot has the check lock lever, the fixed orifices has all been seted up at the top of dead lever both sides, the one end of check lock lever alternates in the inside of fixed orifices respectively, limit baffle is installed to one side of check lock lever, limit baffle activity alternates in the inside of fixed slot, the outside cover of check lock lever is equipped with reset spring, reset spring's both ends contact with the inner wall of limit baffle and fixed slot respectively.

Preferably, a sliding rod is vertically installed on the left side of the bottom wall in the fixing frame, a sliding hole is vertically formed in the middle of the limiting block, and the sliding rod is movably inserted into the sliding hole.

Preferably, the top end of the fixing block is provided with a limiting frame, the inner bottom wall of the limiting frame is provided with limiting clamping blocks which are uniformly distributed in an annular array, and the bottom end of the cutter body is movably inserted into the limiting frame.

Preferably, the movable mechanism comprises a movable frame arranged in the middle of the bottom end of the support frame, a movable block is arranged inside the movable frame, and the top end of the threaded rod penetrates through the movable frame to be connected with the movable block.

Preferably, a limiting ring is installed in the middle of the top end of the fixing frame, and the limiting ring is sleeved at the bottom of the locking block.

Preferably, a connecting block is arranged in the middle of the left side of the fixing frame.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a rotate the regulating block and drive the threaded rod and rotate in the inside of thread piece, can upwards promote the support frame, drive cutter body rebound, make the dead lever alternate in the inside of latch segment, through reset spring to limit baffle's promotion, can drive the inside that the check lock pole alternates the fixed orifices, thereby can make the dead lever fix in the inside of latch segment, and shift out from the inside of fixed orifices through pulling the check lock pole to the outside, can conveniently change the cutter body, thereby can realize the quick replacement to the hobbing machine cutter, the work efficiency of hobbing machine has then been improved, it is comparatively convenient when the tool changing.

(2) The utility model discloses a spacing card is in the bottom of cutter body, can play the effect of restriction to the position of cutter body, through the fixed block in the inside rotation of loose bearing, can keep cutter body pivoted flexibility, through the combination of threaded rod and threaded block, can promote the cutter body and reciprocate, thereby be convenient for carry out quick replacement to the cutter body, along with constantly twisting the regulating block and can make the cutter body remain stable after the installation, avoid appearing the condition of rocking when high-speed rotation, alternate the inside at the spout through the stopper, can make the support frame keep relative stability when reciprocating.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic structural diagram of a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a fixed mount; 2. a chute; 3. a limiting block; 4. a slide hole; 5. connecting blocks; 6. a support frame; 7. a slide bar; 8. a drive shaft; 9. a locking block; 10. fixing the rod; 11. a cutter body; 12. a fixed block; 13. a movable bearing; 14. a movable mechanism; 141. a movable frame; 142. a movable block; 15. a thread block; 16. a threaded rod; 17. an adjusting block; 18. fixing grooves; 19. a locking lever; 20. a limit baffle; 21. a fixing hole; 22. a return spring; 23. a limiting ring; 24. a limiting frame; 25. and a limiting clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a gear hobbing machine quick tool changing tool comprises a fixed frame 1, a connecting block 5 is arranged in the middle of the left side of the fixed frame 1, the tool changing tool can be installed on the gear hobbing machine through the connecting block 5, a thread block 15 is installed in the middle of the bottom end of the fixed frame 1, a threaded rod 16 is vertically movably inserted in the middle of the bottom end of the fixed frame 1, the threaded rod 16 is inserted in the middle of the thread block 15 and is meshed with the thread block 15, an adjusting block 17 is installed at the bottom end of the threaded rod 16, a movable mechanism 14 is installed at the top end of the threaded rod 16, a supporting frame 6 is installed at the top end of the movable mechanism 14, the threaded rod 16 is driven to rotate inside the thread block 15 by rotating the adjusting block 17, the height of the supporting frame 6 can be adjusted, cutters with different sizes are convenient to install, a chute 2 is vertically arranged in the middle of the inner side wall of the fixed frame 1, a limiting block 3 is installed on the left side of the supporting frame 6, the left side of a limiting block 3 is movably inserted into the sliding groove 2, a sliding rod 7 is vertically arranged on the left side of the inner bottom wall of the fixed frame 1, a sliding hole 4 is vertically formed in the middle of the limiting block 3, the sliding rod 7 is movably inserted into the sliding hole 4 and is sleeved in the sliding hole 4 through the sliding rod 7, the limiting block 3 can keep stable during up-and-down movement, a movable bearing 13 is arranged in the supporting frame 6, a fixed block 12 is arranged in the movable bearing 13, a cutter body 11 is arranged in the middle of the top end of the fixed block 12, a fixed rod 10 is arranged at the top end of the cutter body 11, the top end of the fixed rod 10 is movably inserted in the middle of the top end of the fixed frame 1, a locking block 9 is sleeved at the top end of the fixed frame 1, a limiting ring 23 is arranged in the middle of the top end of the locking block 9, the limiting ring 23 is sleeved at the bottom of the locking block 9, and can limit the position of the locking block 9 through the limiting ring 23, there is drive shaft 8 at the mid-mounting on 9 tops of latch segment, fixed slot 18 has all been seted up to the both sides of latch segment 9, the equal horizontal activity interlude in inside of fixed slot 18 has check lock lever 19, fixed orifices 21 have all been seted up at the top of dead lever 10 both sides, the one end of check lock lever 19 alternates in the inside of fixed orifices 21 respectively, limit baffle 20 is installed to one side of check lock lever 19, limit baffle 20 activity alternates in the inside of fixed slot 18, reset spring 22 is overlapped to check lock lever 19's outside cover, reset spring 22's both ends contact with limit baffle 20 and fixed slot 18's inner wall respectively, promote check lock lever 19 through reset spring 22 and alternate in the inside of fixed orifices 21, can connect and fix cutter body 11, and through pulling check lock lever 19 to both sides, can be convenient for dismantle cutter body 11, thereby convenient quick cutter tool change.

Example one

As shown in fig. 4, a limiting frame 24 is installed at the top end of the fixing block 12, limiting fixture blocks 25 which are uniformly distributed in an annular array are installed on the inner bottom wall of the limiting frame 24, the bottom end of the cutter body 11 is movably inserted into the limiting frame 24, the limiting fixture blocks 25 are inserted into grooves in the bottom of the cutter body 11, a limiting effect can be achieved on the cutter body 11, and the cutter body 11 can be kept relatively stable.

Example two

As shown in fig. 5, the movable mechanism 14 includes a movable frame 141 installed in the middle of the bottom end of the supporting frame 6, a movable block 142 is installed inside the movable frame 141, the top end of the threaded rod 16 penetrates through the movable frame 141 and is connected with the movable block 142, the movable block 142 is driven to rotate inside the movable frame 141 through the threaded rod 16, and the threaded rod 16 and the threaded block 15 can be conveniently meshed and connected, so that the height of the tool body 11 can be conveniently adjusted, and the purpose of quickly replacing the tool can be achieved.

In the utility model, when the user uses the device, when the cutter is replaced, the locking rod 19 is pulled outwards to move out of the fixing hole 21, then the adjusting block 17 is rotated reversely to lower the support frame 6 downwards to move the fixing rod 10 out of the top of the fixing frame 1, then the old cutter can be taken down from the limiting frame 24, the new cutter is placed in the limiting frame 24, the bottom of the cutter is inserted in the middle of the limiting block 25, then the adjusting block 17 is rotated forwards to drive the threaded rod 16 to rotate in the threaded block 15, the support frame 6 can be pushed upwards to drive the cutter body 11 to move upwards, so that the fixing rod 10 is inserted in the locking block 9, the locking rod 19 can be driven to be inserted in the fixing hole 21 by pushing the reset spring 22 to the limiting baffle 20, thereby the fixing rod 10 can be fixed in the locking block 9, the adjusting block 17 is continuously rotated to drive the threaded rod 16 to rotate, and the cutter body 11 can be stably installed on the cutter frame through the meshing relation between the threaded rod 16 and the threaded block 15.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. Quick tool changing frock of gear hobbing machine, including mount (1), its characterized in that, the mid-mounting of mount (1) bottom has screw block (15), threaded rod (16) are alternate in the vertical activity in middle part of mount (1) bottom, threaded rod (16) alternate at the middle part of screw block (15) and are connected rather than the meshing, regulating block (17) are installed to the bottom of threaded rod (16), moving mechanism (14) are installed on the top of threaded rod (16), support frame (6) are installed on the top of moving mechanism (14), the vertical spout (2) of having seted up in middle part of mount (1) inside wall.

2. The quick tool changing tool for the gear hobbing machine as claimed in claim 1, wherein a limiting block (3) is installed on the left side of the supporting frame (6), the left side of the limiting block (3) is movably inserted into the sliding groove (2), a movable bearing (13) is installed inside the supporting frame (6), a fixed block (12) is installed inside the movable bearing (13), a tool body (11) is installed in the middle of the top end of the fixed block (12), a fixed rod (10) is installed at the top end of the tool body (11), the top of the fixed rod (10) is movably inserted into the middle of the top end of the fixed frame (1), a locking block (9) is sleeved at the top of the fixed rod (10), a driving shaft (8) is installed in the middle of the top end of the locking block (9), fixing grooves (18) are formed in two sides of the locking block (9), the equal horizontal activity interlude in inside of fixed slot (18) has check lock lever (19), fixed orifices (21) have all been seted up at the top of dead lever (10) both sides, the one end of check lock lever (19) alternates respectively in the inside of fixed orifices (21), limit baffle (20) are installed to one side of check lock lever (19), limit baffle (20) activity interlude is in the inside of fixed slot (18), the outside cover of check lock lever (19) is equipped with reset spring (22), the both ends of reset spring (22) contact with the inner wall of limit baffle (20) and fixed slot (18) respectively.

3. The quick tool changing tool for the gear hobbing machine according to claim 2, wherein a sliding rod (7) is vertically installed on the left side of the inner bottom wall of the fixing frame (1), a sliding hole (4) is vertically formed in the middle of the limiting block (3), and the sliding rod (7) is movably inserted into the sliding hole (4).

4. The quick tool changing tool for the gear hobbing machine according to claim 2, wherein a limiting frame (24) is installed at the top end of the fixing block (12), limiting clamping blocks (25) which are uniformly distributed in an annular array are installed on the inner bottom wall of the limiting frame (24), and the bottom end of the cutter body (11) is movably inserted into the limiting frame (24).

5. The quick tool changing tool for the gear hobbing machine according to claim 1, wherein the movable mechanism (14) comprises a movable frame (141) arranged in the middle of the bottom end of the support frame (6), a movable block (142) is arranged inside the movable frame (141), and the top end of the threaded rod (16) penetrates through the movable frame (141) to be connected with the movable block (142).

6. The quick tool changing tool for the gear hobbing machine according to claim 1, wherein a limiting ring (23) is installed in the middle of the top end of the fixing frame (1), and the limiting ring (23) is sleeved at the bottom of the locking block (9).

7. The quick tool changing tool for the gear hobbing machine according to claim 1, wherein a connecting block (5) is installed in the middle of the left side of the fixing frame (1).