CN221290517U - Broach grinding machine of multiaxis motion - Google Patents

Abstract

The utility model discloses a multi-axis moving broach grinder, which comprises a grinder base, wherein a workbench surface is arranged on the grinder base, a closed workbench is arranged on the workbench surface, and a clamping tool is arranged on the closed workbench; the automatic grinding machine is characterized in that a first sliding seat is further arranged on the working table surface, a second sliding seat capable of sliding is arranged on the first sliding seat, a third sliding seat capable of sliding is arranged on the second sliding seat, a vertical column body is arranged on the third sliding seat, one side of the vertical column body, which faces the closed working table, is provided with a liftable vertical mounting seat, a multi-shaft rotating mechanism is arranged on the vertical mounting seat, a tool apron is arranged at the execution tail end of the multi-shaft rotating mechanism, and a grinding tool is arranged on the tool apron. Through the arrangement of the structure, the broach grinder can control the grinding tool to carry out mechanical processing on a plurality of directions and angles, has good flexibility, can cope with the grinding processing of the broach with a complex structure, and improves the efficiency of the broach processing.

Description

Broach grinding machine of multiaxis motion

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a broach grinder with multi-axis motion.

Background

The broach is the instrument that is used for the shaping of broaching, there are multirow cutter tooth on the surface of broach, the size and the shape of each row cutter tooth increase in proper order and change from cut-in end to cut-out end, the production of broach also need be through lathe machining to get, because the cutter tooth structure and the shape of broach are changeable, and the arrangement of circumference, the degree of difficulty is great during processing, when current grinding machine grinds the broach in addition, the angle of grinding cutter hardly controls, some angles and positions are not reached, make it need frequent adjustment broach centre gripping position satisfy the processing for machining efficiency is lower.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a broach grinder with multi-axis motion.

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

The broach grinder with the multi-axis motion comprises a grinder base, wherein a workbench surface is arranged on the grinder base, a closed workbench is arranged on the workbench surface, and a clamping tool is arranged on the closed workbench; the automatic grinding machine is characterized in that a first sliding seat is further arranged on the working table surface and is parallel to the closed type working table, a second sliding seat which is slidable is arranged on the first sliding seat and perpendicular to the closed type working table, a third sliding seat which is slidable is arranged on the second sliding seat, a vertical column body is arranged on the third sliding seat, one side of the vertical column body, which faces the closed type working table, is provided with a liftable vertical mounting seat, a multi-shaft rotating mechanism is arranged on the vertical mounting seat, a tool apron is arranged at the executing tail end of the multi-shaft rotating mechanism, and a grinding tool is arranged on the tool apron.

The broach grinder can control the grinding tool to carry out mechanical processing in multiple directions and angles through the arrangement of the structure, has good flexibility, can cope with the grinding processing of the broach with a complex structure, and improves the processing efficiency of the broach; the whole grinding machine is compact and reasonable in structural arrangement, and the space above the workbench surface is reasonably utilized while multi-axis machining is realized.

The broach grinder can enable the clamping tool for clamping the workpiece and the moving mechanism for controlling the grinding tool to be arranged on two bases respectively through the closed workbench and the first sliding seat which are arranged side by side, and in a non-machining state, the clamping tool and the moving mechanism are not interfered with each other, when the workpiece is clamped, the whole moving mechanism can automatically control the movement and the machining path of the grinding tool according to a machining program, and machining operation is automatically completed.

The clamping tool is used for mounting a workpiece to be machined on the closed workbench along the length direction, the first sliding seat, the second sliding seat, the third sliding seat and the vertical mounting seat can control the whole multi-shaft rotating mechanism to move back and forth, left and right and up and down, so that the grinding tool is close to the workpiece, the multi-shaft rotating mechanism can adjust the direction of the tool on more angles, and the movement flexibility of the tool is greatly improved, so that the workpiece can be machined in all directions.

Further, a T-shaped groove is formed in the closed workbench, the clamping tool comprises a clamp rotary table and a tail frame, the clamp rotary table and the tail frame are respectively connected and fixed with the T-shaped groove through bolts, and a workpiece to be machined is clamped between the clamp rotary table and the tail frame.

The clamp turntable and the tail frame are oppositely arranged, can clamp a strip-shaped workpiece such as a broach, and the distance between the clamp turntable and the tail frame on the closed workbench is adjustable, so that the clamp turntable and the tail frame can be adapted to broachs with different sizes. The workpiece clamped by the clamp turntable and the tail frame can also be enabled to perform rotary motion.

Further, the first sliding seat is provided with a pair of first sliding rails, and a first screw rod motor which are positioned between the pair of first sliding rails; the second sliding seat is slidably arranged on the pair of first sliding rails and is connected with the first screw rod.

Further, a pair of second sliding rails, a second screw rod positioned between the pair of second sliding rails and a second screw rod motor are arranged on the second sliding seat; the third sliding seat is slidably arranged on the pair of second sliding rails and is connected with the second screw rod.

Further, a pair of third sliding rails and a third screw rod are arranged on the front side surface of the upright body, and a third screw rod motor is arranged above the upright body and connected with and drives the third screw rod; the vertical installation seat is slidably installed on the pair of third sliding rails and connected with the third screw rod.

Further, the multi-axis rotation mechanism comprises a main rotation box arranged on the vertical mounting seat, the output end of the main rotation box is connected with a main rotation arm, the main rotation arm is connected with an auxiliary connecting frame, an auxiliary rotation box is arranged in the auxiliary connecting frame, the output end of the auxiliary rotation box is connected with a tool holder mounting plate, and the tool holder mounting plate is connected with a tool holder.

Further, the rotation central axis of the main rotary box is horizontally arranged, the rotation central axis of the auxiliary rotary box is spatially perpendicular to the rotation central axis of the main rotary box, and the installation direction of the tool apron is perpendicular to the rotation central axis direction of the auxiliary rotary box.

Further, the workbench surface is an inclined surface, surrounding frames are arranged around the workbench surface, and discharge holes are formed in the downstream of the surrounding frames so as to discharge waste residues and sprayed cooling liquid in the processing process; the workbench surface is provided with a fixed mounting seat, the fixed mounting seat is provided with a closed workbench, and the workbench surface of the closed workbench and the mounting surface of the first sliding seat are horizontally arranged.

Further, the back of the column body is also provided with a fourth sliding rail which is vertically arranged, and the fourth sliding rail is provided with an electric cabinet which can be adjusted in a lifting way.

Compared with the prior art, the utility model has the beneficial effects that: 1. the broach grinder can control the grinding tool to carry out mechanical processing in multiple directions and angles through the arrangement of the structure, has good flexibility, can cope with the grinding processing of the broach with a complex structure, and improves the processing efficiency of the broach; the whole grinding machine is compact and reasonable in structural arrangement, and the space above the workbench surface is reasonably utilized while multi-axis machining is realized; 2. the clamping tool is used for mounting a workpiece to be machined on the closed workbench along the length direction, the first sliding seat, the second sliding seat, the third sliding seat and the vertical mounting seat can control the whole multi-shaft rotating mechanism to move back and forth, left and right and up and down, so that the grinding tool is close to the workpiece, the multi-shaft rotating mechanism can adjust the direction of the tool on more angles, and the movement flexibility of the tool is greatly improved, so that the workpiece can be machined in all directions.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-axis moving broach grinder of the present utility model;

FIG. 2 is a schematic view of the structure of the workbench and the slide of the utility model;

FIG. 3 is a schematic view of a vertical column and a multi-axis swing mechanism according to the present utility model;

FIG. 4 is a schematic diagram of a column and multi-axis swing mechanism according to the present utility model;

FIG. 5 is a schematic view of the structure of the work surface of the present utility model;

In the figure: 1. a grinding machine base; 2. a work table; 3. fixing the mounting base; 4. a closed workbench; 401. a T-shaped groove; 5. a clamp turntable; 6. a tailstock; 7. a first slider; 8. a second slider; 9. a third slider; 10. a vertical column; 11. a vertical mounting seat; 12. a main swing box; 13. a main swing arm; 14. an auxiliary connecting frame; 15. an auxiliary rotary box; 16. a tool apron mounting plate; 17. a tool apron; 18. grinding the cutter; 19. a first slide rail; 20. a first screw rod; 21. a first lead screw motor; 22. a second slide rail; 23. a second screw rod; 24. a second screw motor; 25. a third slide rail; 26. a third screw rod; 27. a third screw motor; 28. a fourth slide rail; 29. an electric control box; 30. a surrounding frame; 31. and a discharge hole.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the broach grinder with multi-axis motion comprises a grinder base 1, wherein a workbench surface 2 is arranged on the grinder base 1, a closed workbench 4 is arranged on the workbench surface 2, and a clamping tool is arranged on the closed workbench 4; the workbench surface 2 is further provided with a first sliding seat 7, the first sliding seat 7 is parallel to the closed workbench 4, the first sliding seat 7 is provided with a second sliding seat 8 which is slidable, the second sliding seat 8 is perpendicular to the closed workbench 4, the second sliding seat 8 is provided with a third sliding seat 9 which is slidable, the third sliding seat 9 is provided with a vertical column body 10, one side of the vertical column body 10, which faces the closed workbench 4, is provided with a vertical installation seat 11 which can be lifted, the vertical installation seat 11 is provided with a multi-shaft rotation mechanism, the execution tail end of the multi-shaft rotation mechanism is provided with a cutter seat 17, and the cutter seat 17 is provided with a grinding cutter 18.

By the aid of the structure, the broach grinder can control the grinding tool 18 to perform mechanical machining in multiple directions and angles, is good in flexibility, can cope with the grinding machining of the broach with a complex structure, and improves the efficiency of the broach machining; the whole grinding machine is compact and reasonable in structural arrangement, and the space above the workbench surface 2 is reasonably utilized while multi-axis machining is realized.

The broach grinder can enable the clamping tool for clamping the workpiece and the moving mechanism for controlling the grinding tool to be respectively arranged on two bases through the closed workbench 4 and the first sliding seat 7 which are arranged side by side, and the clamping tool and the moving mechanism are not mutually interfered in a non-machining state.

The clamping tool is used for mounting a workpiece to be machined on the closed workbench 4 along the length direction, the first sliding seat 7, the second sliding seat 8, the third sliding seat 9 and the vertical mounting seat 11 can control the whole multi-shaft rotary mechanism to move back and forth, left and right and up and down, the grinding cutter 18 is close to the workpiece, the multi-shaft rotary mechanism can be used for adjusting the direction of the cutter on more angles, and the movement flexibility of the tool is greatly improved, so that the workpiece can be machined in all directions.

Specifically, the second sliding seat 8 moves along the length direction of the first sliding seat 7, and is adjusted to be a left-right position, that is, a position parallel to the length direction of the workpiece; the third slide carriage 9 moves on the second slide carriage 8, and is adjusted to be in a front-rear position, that is, a position close to and far from the workpiece; the vertical mounting seat 11 moves up and down on the upright post body 10, and the height position is adjusted; the multi-axis rotation mechanism adjusts the machining angle and the machining direction.

Further, a T-shaped groove 401 is formed in the closed workbench 4, the clamping tool comprises a clamp rotary table 5 and a tail frame 6, the clamp rotary table 5 and the tail frame 6 are respectively connected and fixed with the T-shaped groove 401 through bolts, and a workpiece to be machined is clamped between the clamp rotary table 5 and the tail frame 6.

The clamp turntable 5 and the tail frame 6 are arranged oppositely, can clamp a strip-shaped workpiece such as a broach, and the distance between the clamp turntable and the tail frame on the closed workbench is adjustable, so that the clamp turntable and the tail frame can be adapted to broachs with different sizes. The workpiece clamped by the clamp turntable 5 and the tailstock 6 can also be enabled to perform rotary motion, and the flexibility of machining is further improved by matching with a motion mechanism of a grinding machine. The model of the clamp turntable is RCV-320.

Further, as shown in fig. 2 and 3, the first sliding seat 7 is provided with a pair of first sliding rails 19, and a first screw 20 and a first screw motor 21 located between the pair of first sliding rails 19; the second slide 8 is slidably mounted on a pair of first slide rails 19 and is connected to the first screw 20.

The second sliding seat 8 is provided with a pair of second sliding rails 22, and a second screw rod 23 and a second screw rod motor 24 which are positioned between the pair of second sliding rails 22; the third slide 9 is slidably mounted on a pair of the second slide rails 22 and is connected to the second screw rod 23.

A pair of third slide rails 25 and a third screw rod 26 are arranged on the front side surface of the upright post body 10, and a third screw rod motor 27 which is connected with and drives the third screw rod 26 is arranged above the upright post body 10; the vertical mounting seat 11 is slidably mounted on a pair of third slide rails 25 and is connected to the third screw rod 26.

The first screw rod motor drives the first screw rod to rotate, so that the second sliding seat is driven to do linear reciprocating motion along the first sliding rail, and the second screw rod and the third screw rod adopt similar motion principles in the same way; the screw rod motors are servo stepping motors, are matched with high-precision screw rods, have good control precision, and are beneficial to improving machining precision.

Further, as shown in fig. 3 and fig. 4, the multi-axis rotation mechanism includes a main rotation box 12 disposed on the vertical mounting seat 11, an output end of the main rotation box 12 is connected with a main rotation arm 13, the main rotation arm 13 is connected with a secondary connection frame 14, a secondary rotation box 15 is disposed in the secondary connection frame 14, an output end of the secondary rotation box 15 is connected with a tool holder mounting plate 16, and a tool holder 17 is connected below the tool holder mounting plate 16.

The arrangement of the main rotary arm 13 and the auxiliary connecting frame 14 can enable the rotation central axis of the auxiliary rotary box 15 to be at a certain safety distance from the main rotary arm 13, so that the tool apron 17 is prevented from being scanned to the main rotary box 12 or the main rotary arm 13 during rotation. The main rotary box 12 and the auxiliary rotary box 15 have different rotation directions, and the two are linked to basically realize 360-degree movement of the grinding tool 18 in space.

The main rotary box and the auxiliary rotary box basically drive the external part to rotate by using a rotary component inside the driving motor; the rotary component can be in a gear set transmission mode or a worm and gear transmission mode. The main rotary box and the auxiliary rotary box can also be directly purchased and used for the commercial mature products.

Further, in the initial state, the rotation central axis of the main swing case 12 is horizontally arranged, the rotation central axis of the sub swing case 15 is spatially perpendicular to the rotation central axis of the main swing case 12, and the installation direction of the tool apron 17 is perpendicular to the rotation central axis direction of the sub swing case 15.

Further, as shown in fig. 5, the working table 2 is an inclined surface, a surrounding frame 30 is disposed around the working table 2, and a discharge hole 31 is disposed at the downstream of the surrounding frame 30; the workbench surface 2 is provided with a fixed mounting seat 3, the fixed mounting seat 3 is provided with a closed workbench 4, and the table surface of the closed workbench 4 and the mounting surface of the first sliding seat 7 are horizontally arranged.

The working table surface 2 is an inclined surface with the angle of about 1 DEG, but the table surface of the closed working table 4 and the mounting surface of the first sliding seat 7 are both horizontal surfaces so as to ensure the levelness of the mounting part above the working table surface; the inclined surface is arranged to allow the waste residue and the cooling liquid generated in the processing process to flow downwards so that the discharge holes 31 can be discharged in a concentrated manner, and the waste residue and the cooling liquid are prevented from being accumulated on the working table. The surrounding frame 30 can prevent the cooling liquid and waste slag from flowing to the ground, and can also be used as a foundation for installing the machine tool outer shell (the cover body with doors and windows). By adopting the closed workbench, the cooling liquid can be prevented from flowing into the workbench, and the follow-up cleaning work is also facilitated.

The discharge hole 31 is connected with the pipeline outward, and the pipeline is connected to the collection box, sets up filter equipment in the collection box, can separate waste residue and coolant liquid, and the coolant liquid of separation can also used repeatedly, reduces extravagant.

Further, a fourth sliding rail 28 is further disposed on the back of the column body 10, and an electric control box 29 capable of being adjusted in a lifting manner is disposed on the fourth sliding rail 28, so that the electric control box 29 can be adjusted in height in a vertical direction for use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The broach grinder with the multi-axis motion is characterized by comprising a grinder base, wherein a workbench surface is arranged on the grinder base, a closed workbench is arranged on the workbench surface, and a clamping tool is arranged on the closed workbench; the automatic grinding machine is characterized in that a first sliding seat is further arranged on the working table surface and is parallel to the closed type working table, a second sliding seat which is slidable is arranged on the first sliding seat and perpendicular to the closed type working table, a third sliding seat which is slidable is arranged on the second sliding seat, a vertical column body is arranged on the third sliding seat, one side of the vertical column body, which faces the closed type working table, is provided with a liftable vertical mounting seat, a multi-shaft rotating mechanism is arranged on the vertical mounting seat, a tool apron is arranged at the executing tail end of the multi-shaft rotating mechanism, and a grinding tool is arranged on the tool apron.

2. The multi-axis moving broach grinder according to claim 1, wherein the closed-type workbench is provided with a T-shaped groove, the clamping fixture comprises a fixture turntable and a tail frame, the fixture turntable and the tail frame are respectively connected and fixed with the T-shaped groove through bolts, and a workpiece to be machined is clamped between the fixture turntable and the tail frame.

3. The multi-axis motion broach grinder according to claim 1, wherein said first carriage is provided with a pair of first slide rails, and a first lead screw motor positioned between said pair of first slide rails; the second sliding seat is slidably arranged on the pair of first sliding rails and is connected with the first screw rod.

4. The multi-axis motion broach grinder according to claim 1, wherein said second carriage is provided with a pair of second slide rails, and a second lead screw motor positioned between said pair of second slide rails; the third sliding seat is slidably arranged on the pair of second sliding rails and is connected with the second screw rod.

5. The multi-axis moving broach grinder according to claim 1, wherein a pair of third slide rails arranged vertically and a third screw rod arranged vertically are provided on the front side of the upright body, and a third screw rod motor connected to and driving the third screw rod is provided above the upright body; the vertical installation seat is slidably installed on the pair of third sliding rails and connected with the third screw rod.

6. The multi-axis moving broach grinder according to claim 1, wherein said multi-axis turning mechanism comprises a main turning box provided on said vertical mount, an output end of said main turning box is connected with a main turning arm, said main turning arm is connected with an auxiliary connection frame, an auxiliary turning box is provided in said auxiliary connection frame, an output end of said auxiliary turning box is connected with a tool holder mounting plate, and said tool holder mounting plate is connected with said tool holder.

7. The multi-axis motion broach grinder according to claim 6, wherein the rotational central axis of said main turn box is horizontally arranged, the rotational central axis of said sub turn box is spatially arranged perpendicular to the rotational central axis of said main turn box, and the installation direction of said tool holder is perpendicular to the rotational central axis direction of said sub turn box.

8. The multi-axis moving broach grinder according to claim 1, wherein said table top is an inclined surface, a peripheral frame is provided around said table top, and a discharge hole is provided downstream of said peripheral frame; the workbench surface is provided with a fixed mounting seat, the fixed mounting seat is provided with a closed workbench, and the workbench surface of the closed workbench and the mounting surface of the first sliding seat are horizontally arranged.

9. The multi-axis moving broach grinder according to claim 1, wherein a fourth slide rail is further arranged on the back surface of the upright post body, and an electric cabinet capable of being adjusted in a lifting manner is arranged on the fourth slide rail.