Heavy manipulator for numerical control machine tool
By designing a heavy-duty CNC machine tool manipulator with hydraulic drive and connecting rod transmission, the problem of large size of existing manipulators is solved, and high centering accuracy and stable grasping of heavy tools are achieved.
Patent Information
- Application Number
- CN202422886335.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing CNC machine tool manipulators are large in size and take up a lot of space.
A heavy-duty manipulator consisting of a housing, a hydraulic cylinder, a piston rod, a straight rod and a connecting rod structure was designed. The self-locking performance and smooth movement of the cutter claw were achieved through hydraulic drive and connecting rod transmission. Combined with the limited movement of the connecting rod plate, the parallel movement of the cutter claw was ensured under the action of the four-bar linkage.
The high centering accuracy and smooth operation of the tool claw are achieved, there is no vibration when grabbing heavy tools, and the structure is compact and space-saving.
Smart Images
Figure CN223441759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to manipulator technical field, more specifically, relate to a heavy manipulator for numerical control machine tool. BACKGROUND
[0002] Manipulator is a kind of some action functions of imitating human hand and arm, to fixed program is grabbed, is handled object or tool operating device of fixed program, and numerical control machine tool also has heavy manipulator, it is mainly used to the handle of fixed tool is clamped, to facilitate tool changing and processing, and the existing numerical control machine tool manipulator volume is larger, and it occupies more internal space of numerical control machine tool. In view of this, we propose a heavy manipulator for numerical control machine tool. UTILITY MODEL CONTENTS
[0003] The utility model aims at overcoming the insufficient of prior art, adapts to the reality needs, provides a heavy manipulator for numerical control machine tool to solve the technical problem that current numerical control machine tool manipulator volume is larger.
[0004] To solve the above technical problems, the utility model provides the following technical scheme: a heavy manipulator for numerical control machine tool, including shell, the shell extends from inside two jaws, the shell other side is provided with hydraulic cylinder, the hydraulic cylinder is internally provided with cavity, the cavity is equipped with hydraulic structure, the hydraulic structure includes piston rod, the piston rod penetrates shell and is integrally formed with straight rod, straight rod and jaw are provided with connecting rod structure between.
[0005] Preferably, the shell includes frame, tool holder and cover plate, the frame is installed with tool holder on both outer sides, the cover plate is fixed with the frame by bolt.
[0006] Preferably, the jaw includes long handle, chuck and clamping block, the long handle side is connected with clamping seat, the frame inner side is provided with sliding slot for the sliding of clamping seat, the chuck side is installed with the clamping block that is engaged with tool holder positioning key.
[0007] Preferably, the hydraulic structure further includes piston sleeve, the piston sleeve is fixedly sleeved on the outer periphery of piston rod, the liquid inlet on the hydraulic cylinder is arranged below the piston sleeve, the liquid outlet on the hydraulic cylinder is arranged above the piston sleeve, and the liquid inlet and liquid outlet are connected with external liquid supply unit.
[0008] Preferably, the connecting rod structure includes a plurality of connecting rod plates, a plurality of connecting rod plates are distributed symmetrically on both sides with straight rod as center, connecting rod plate both ends are provided with connecting rod head, and pin head is rotatably connected between the straight rod and long handle respectively.
[0009] Preferably, the outer periphery of the piston rod and straight rod is respectively provided with restraint sleeve and guide sleeve.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] The utility model discloses the cooperation of piston rod, piston and hydraulic cylinder and the design of straight rod through the shell, and through the cooperation of liquid inlet and liquid outlet and external liquid supply unit and the transmission of straight rod and connecting rod structure, four connecting rods and piston rod mechanism have self -locking performance, guarantee not to loose sword and drop sword, and hydraulic power makes the big gripping force of sword claw, and the action is quick and stable, and the relative parallel movement of sword claw is made under the action of four connecting rod mechanism in combination with the position limiting movement of connecting rod plate, and the sword claw centering precision is high, and the operation is stable and has no vibration, and four connecting rod mechanism and guide block cooperation make sword claw have greater gripping force and supporting force, can make sword claw snatch heavy -duty tool, and the symmetrical arrangement of double four connecting rod mechanism and double guide block makes the structure simple, compact in size and save the space, and the problem of the large size of numerical control machine tool manipulator is solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the schematic diagram of the other shaft side structure of the utility model;
[0013] Figure 2 It is the schematic diagram of the other shaft side structure of the utility model;
[0014] Figure 3 It is the schematic diagram of the structure of half slope shell of the utility model;
[0015] Figure 4 It is the schematic diagram of the Figure 3 Split structure of the utility model.
[0016] Mark number explanation: 1, shell;101, frame body;102, tool holder;103, cover plate;2, sword claw;201, long handle;202, chuck;203, clamping block;3, hydraulic cylinder;4, hydraulic structure;401, piston rod;402, piston sleeve;403, liquid inlet;404, liquid outlet;5, straight rod;6, connecting rod structure;601, connecting rod plate;602, pin head;7, clamping seat;8, sliding slot;9, constraint sleeve;10, guide sleeve. DETAILED DESCRIPTION
[0017] As Figures 1 to 4The utility model relates to a heavy manipulator for numerical control machine tool, including shell 1, shell 1 includes frame body 101, tool holder 102 and apron 103, frame body 101 both outside install tool holder 102, apron 103 is fixed through bolt with frame body 101, the detachable design between apron 103 and frame body 101 makes it convenient to maintain and repair inside, two claws 2 are extended from inside of shell 1, claw 2 includes long handle 201, chuck 202 and clamping block 203, the arc design of chuck 202 one side is convenient for clamping, chuck 202 one side is equipped with the clamping block 203 of tool shank positioning key interlock, the interlock design of clamping block 203 and tool shank positioning key is convenient for the steady clamping of tool shank, the other side of shell 1 is equipped with hydraulic cylinder 3, and the cavity is set up in the inside of hydraulic cylinder 3, and the piston rod 401 is set up in the cavity, and the tail end of piston rod 401 is equipped with the protruding part of hydraulic cylinder 3 and is set up, the outside of hydraulic cylinder 3 is equipped with a plurality of inductive heads, and the inductive head is used for sensing the displacement state of protruding part, and the piston rod 401 is through the shell 1 and is integrally formed with straight rod 5, and the straight rod 5 is equipped with connecting rod structure 6 between the claw 2, and the connecting rod structure 6 includes a plurality of connecting rod plates 601, and the plurality of connecting rod plates 601 are distributed with straight rod 5 as the center and are symmetrical on both sides, and the both ends of connecting rod plate 601 are equipped with connecting rod head, and the connecting rod plate 601 end part is rotatably connected with pin head 602 between straight rod 5 and long handle 201 respectively, and the long handle 201 one side is connected with the clamping seat 7, and the inside of frame body 101 is equipped with the sliding slot 8 of the sliding of clamping seat 7, and through the cooperation of sliding slot 8 and clamping seat 7, the claw 2 can be limited to move in opposite directions, and the stability thereof is improved, when the piston rod 401 moves, will drive straight rod 5 to move, further drive connecting rod plate 601 to move, make it can clamp the tool shank pair;
[0018] Need to explain, in order to provide stability, the outer periphery of piston rod 401 and straight rod 5 is equipped with restraint sleeve 9 and guide sleeve 10 respectively, and the restraint sleeve 9 is fixed with the inner top of hydraulic cylinder 3, and the guide sleeve 10 is fixed with the inner wall of frame body 101, and the center of guide sleeve 10 and restraint sleeve 9 is equipped with the hole of restraint;
[0019] In order to realize stable drive, the outer periphery of piston rod 401 is fixedly provided with piston sleeve 402, the liquid inlet 403 on hydraulic cylinder 3 is provided below piston sleeve 402, the liquid outlet 404 on hydraulic cylinder 3 is provided above piston sleeve 402, the liquid inlet 403 and liquid outlet 404 are connected with the liquid supply unit outside, and the piston rod 401, piston sleeve 402, liquid inlet 403 and liquid outlet 404 form a hydraulic structure 4.
[0020] Working principle: the utility model provides a heavy manipulator for numerical control machine tool, when using, the liquid inlet 403 of external liquid supply unit is inputted inside hydraulic cylinder 3, drives piston sleeve 402 to move (this time liquid outlet 404 drains), makes piston rod 401 move stably, makes straight rod 5 move synchronously;
[0021] During the movement of the straight rod 5, the plurality of connecting rod plates 601 are driven to move synchronously, the limiting sliding of the sliding groove 8 and the clamping seat 7 is matched, the long handle 201 is further driven to move towards each other, the chuck 202 is matched with the clamping block 203 to further stably clamp and fix the tool shank.
[0022] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.
Claims
1. A heavy-duty manipulator for CNC machine tools, characterized in that: The invention comprises a shell (1), two knife claws (2) extending from the interior of the shell (1), a hydraulic cylinder (3) being provided on the other side of the shell (1), a cavity being provided inside the hydraulic cylinder (3), a hydraulic structure (4) being provided inside the cavity, the hydraulic structure (4) comprising a piston rod (401), the piston rod (401) passing through the shell (1) and being integrally formed with a straight rod (5), a connecting rod structure (6) being provided between the straight rod (5) and the knife claws (2).
2. A heavy-duty manipulator for CNC machine tools according to claim 1, characterized in that: The housing (1) comprises a frame (101), a knife seat (102) and a cover plate (103); the knife seats (102) are installed on both outer sides of the frame (101); and the cover plate (103) is fixed to the frame (101) by bolts.
3. A heavy-duty manipulator for CNC machine tools according to claim 2, characterized in that: The knife claw (2) comprises a long handle (201), a chuck (202) and a clamping block (203); one side of the long handle (201) is connected to a clamping seat (7); a sliding groove (8) for the clamping seat (7) to slide is provided on the inner side of the frame (101); and one side of the chuck (202) is provided with a clamping block (203) that engages with a positioning key of the knife handle.
4. A heavy-duty manipulator for CNC machine tools according to claim 3, characterized in that: The hydraulic structure (4) further comprises a piston sleeve (402), wherein the piston sleeve (402) is fixedly sleeved on the outer periphery of the piston rod (401), a liquid inlet (403) opened on the hydraulic cylinder (3) is provided below the piston sleeve (402), and a liquid outlet (404) opened on the hydraulic cylinder (3) is provided above the piston sleeve (402), and the liquid inlet (403) and the liquid outlet (404) are connected to an external liquid supply unit.
5. A heavy-duty manipulator for CNC machine tools according to claim 4, characterized in that: The connecting rod structure (6) includes a plurality of connecting rod plates (601), which are symmetrically distributed on both sides with the straight rod (5) as the center. Connecting rod heads are provided at both ends of the connecting rod plates (601), and pin heads (602) are rotatably connected between the ends of the connecting rod plates (601) and the straight rod (5) and the long handle (201).
6. A heavy-duty manipulator for CNC machine tools according to claim 5, characterized in that: The outer peripheries of the piston rod (401) and the straight rod (5) are respectively provided with a restraining sleeve (9) and a guiding sleeve (10).