CN111872713B

CN111872713B - Work fixture

Info

Publication number: CN111872713B
Application number: CN202010668563.3A
Authority: CN
Inventors: 田坤; 陈衍祥; 卢芒; 吴明伟
Original assignee: Zhuzhou Haojie Aviation Technology Co ltd
Current assignee: ZHUZHOU HAOJIE AVIATION TECHNOLOGY CO.,LTD.
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-12-10
Anticipated expiration: 2040-07-13
Also published as: CN111872713A

Abstract

The invention relates to the field of tool fixtures, in particular to a tool fixture which comprises a mounting frame, a fixing plate, a fixing hole, a clamping plate, a first guide groove, a first sliding groove, a supporting plate, a groove, a second guide block, a first guide block, a connecting rod, a connecting column, a threaded groove, a second sliding groove, a through hole, an air cylinder, a second guide groove, a movable cavity, a bearing, a motor, a threaded rod, a reset spring, a guide column, a sliding block and a side hole. The clamping plates can be driven by the air cylinder to move along the second sliding groove, so that a workpiece is clamped between the two clamping plates, meanwhile, the sliding block can move along the guide post, the return spring is in a compressed state, and the two clamping plates can be quickly restored to the initial positions under the reaction of the return spring; the threaded rod can be driven to rotate by the motor, and the threaded rod can drive the connecting column to move in the vertical direction along the movable cavity due to the threaded connection of the threaded rod and the threaded groove, so that the two supporting plates are driven to move, and the adjusting can be carried out according to the thickness of the part.

Description

Work fixture

Technical Field

The invention relates to the field of tool fixtures, in particular to a tool fixture.

Background

Tooling, namely process equipment: the tool is a general name of various tools used in the manufacturing process, and comprises a cutter, a clamp, a mold, a measuring tool, a checking tool, an auxiliary tool, a bench tool, a station tool and the like, wherein the tool is used for general short; the fixture is a process device used for rapidly fastening a workpiece during machining to ensure that a machine tool, a cutter and the workpiece keep correct relative positions, namely, the tool fixture is an indispensable part for machining, and the fixture technology is developing towards high precision, high efficiency, module, combination, universality and economy under the drive that the machine tool technology develops towards high speed, high efficiency, precision, composite, intelligent and environment-friendly directions.

In prior art, frock clamp has obtained the wide application in machining, when using frock clamp to moist heavier winter, traditional mechanical frock clamp's structure is generally all comparatively simple, it is all comparatively troublesome when fixed with the dismantlement work piece, work efficiency has been reduced, and because the different application range that can influence anchor clamps of work piece thickness, need change repeatedly, the commonality is comparatively general, simultaneously, need frequent interpolation lubricating oil in order to prevent to rust, and present frock clamp adds lubricating oil inconvenient. Therefore, a tooling fixture is provided to solve the above problems.

Disclosure of Invention

The present invention is directed to a tool holder for solving the above problems.

The invention achieves the aim through the following technical scheme, and the tool clamp comprises a pneumatic driving structure, a first guide groove, a first sliding groove, a second guide groove, a connecting rod, a supporting plate, a motor driving structure, an installation frame and a fixing plate which are sequentially arranged from top to bottom; the pneumatic driving structure comprises a clamping plate, a second sliding groove, an air cylinder, a guide post and a return spring, wherein a sliding block is fixedly connected to the bottom end of the clamping plate and clamped in the second sliding groove; the cylinder is fixedly connected to the end surfaces of the two ends of the mounting frame, the tail end of an output rod of the cylinder penetrates through the end surface of the mounting frame, and the tail end of the output rod of the cylinder is fixedly connected with the side surface of the sliding block; a side hole is formed in the side face of the sliding block, the guide post penetrates through the side hole, the end faces of two ends of the guide post are fixedly connected with two inner side walls of the second sliding chute respectively, and the reset spring is sleeved on the surface of the guide post; the motor driving structure comprises a connecting column, a movable cavity, a bearing and a motor, the interface of the connecting column is of a T-shaped structure, the connecting column is of a stepped cylindrical structure, the diameter of the upper part cylindrical part of the connecting column is smaller than that of the lower part of the connecting column, the inner part of the connecting column is of a hollow structure, the threaded rod is of a cylindrical structure, the diameter of the movable cavity is equal to the diameter of the bottom of the connecting column, the movable cavity is arranged inside the mounting frame, the bottom end of the connecting column is sleeved inside the movable cavity, and the bottom end face of the threaded column is provided with a threaded groove; the tail end of an output shaft of the motor is fixedly connected with a threaded rod, the bottom end of the threaded rod is rotatably connected with the bottom end of the movable cavity through the bearing, and the top end of the threaded rod is screwed with the threaded groove.

Preferably, the fixing plate is fixedly connected to the side surfaces of the two sides of the mounting frame, and fixing holes are formed in the surface of the fixing plate.

Preferably, the first guide groove is formed in the end faces of the two ends of the clamping plate, a first guide block is fixedly connected to the side face of one side of the supporting plate, and the guide block is connected with the first guide groove in a sliding mode.

Preferably, a first sliding groove is formed in the surface of one side of the clamping plate, and the supporting plate is connected with the first sliding groove in a clamping mode.

Preferably, a groove is formed in the side face of one side of each supporting plate, a through hole is formed in the inner side wall of the groove, the connecting rod is arranged between the two supporting plates, and the two ends of the connecting rod penetrate through the two through holes respectively.

Preferably, the top end of the connecting column penetrates through the top end of the mounting frame, and the top end of the connecting column is fixedly connected with the surface of the connecting rod.

Preferably, the second guide way is seted up the both sides side of mounting bracket, the bottom rigid coupling of splint has the second guide block, just the second guide block with second guide way sliding connection.

Preferably, the second spout is seted up the upper surface of mounting bracket, and two the second spout symmetric distribution is in the mounting bracket top, the motor rigid coupling is in the mounting bracket lower surface, just the output shaft end of motor runs through extremely the activity intracavity portion, the figure of cylinder is two, and symmetric distribution is in the both ends terminal surface of mounting bracket.

The invention has the beneficial effects that:

(1) the clamping plate can be driven by the air cylinder to move along the second sliding groove so as to clamp a workpiece between the two clamping plates, and the sliding block can move along the guide post so that the return spring is in a compressed state;

(2) according to the invention, the threaded rod can be driven to rotate by the motor, and because the threaded rod is in threaded connection with the threaded groove, the threaded rod can drive the connecting column to move in the vertical direction along the movable cavity so as to drive the two supporting plates to move, so that the adjustment can be carried out according to the thickness of a part, the internal space of the movable cavity is increased, internal heat dissipation is facilitated, heat in the motor can be pumped into the movable cavity, lubricating oil in the movable cavity can be conveniently conveyed to the outer surface of the threaded rod, and the phenomenon that the interior of the movable cavity is rusted and inconvenient to replace is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of a motor driving structure according to the present invention;

FIG. 3 is a view of the cylinder and mounting bracket of the present invention;

fig. 4 is a schematic view of the pneumatic structure of the present invention.

In the figure: 1. mounting bracket, 2, the fixed plate, 3, the fixed orifices, 4, splint, 41, first guide way, 42, first spout, 5, the backup pad, 51, the recess, 6, the second guide block, 7, first guide block, 8, the connecting rod, 9, the spliced pole, 91, the thread groove, 10, the second spout, 11, the through-hole, 12, the cylinder, 13, the second guide way, 14, the activity chamber, 15, the bearing, 16, the motor, 17, the threaded rod, 18, reset spring, 19, the guide post, 20, the slider, 201, the side opening.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1-4, a tooling fixture includes a pneumatic driving structure, a first guide slot 41, a first sliding slot 42, a second guide slot 13, a connecting rod 8, a supporting plate 5, a motor driving structure, a mounting frame 1 and a fixing plate 2, which are sequentially installed from top to bottom; the pneumatic driving structure comprises a clamping plate 4, a second sliding groove 10, a cylinder 12, a guide post 19 and a return spring 18, wherein a sliding block 20 is fixedly connected to the bottom end of the clamping plate 4, and the sliding block 20 is clamped in the second sliding groove 10; the cylinder 12 is fixedly connected to end faces of two ends of the mounting frame 1, the tail end of an output rod of the cylinder 12 penetrates through the end face of the mounting frame 1, and the tail end of the output rod of the cylinder 12 is fixedly connected with the side face of the sliding block 20; a side hole 201 is formed in the side surface of the slider 20, the guide post 19 penetrates through the side hole 201, end surfaces of two ends of the guide post 19 are fixedly connected with two inner side walls of the second chute 10 respectively, and the return spring 18 is sleeved on the surface of the guide post 19; the motor drive structure comprises a connecting column 9, a movable cavity 14, a bearing 15 and a motor 16, wherein the movable cavity 14 is arranged inside the mounting rack 1, the bottom end of the connecting column 9 is sleeved inside the movable cavity 14, the cross section of the connecting column 9 is of a T-shaped structure, the connecting column 9 is of a stepped cylinder structure, the diameter of an upper part cylinder of the connecting column 9 is smaller than the diameter of the lower part of the connecting column 9, the inside of the connecting column 9 is of a hollow structure, the threaded rod 17 is of a cylindrical structure, the movable cavity 14 is of a cylindrical structure, the diameter of the movable cavity 14 is equal to the diameter of the bottom of the connecting column 9, and the bottom end face of the threaded column is provided with a threaded groove 91; the tail end of an output shaft of the motor 16 is fixedly connected with a threaded rod 17, the bottom end of the threaded rod 17 is rotatably connected with the bottom end of the movable cavity 14 through the bearing 15, and the top end of the threaded rod 17 is screwed with the threaded groove 91.

The fixed plates 2 are fixedly connected to the side surfaces of the two sides of the mounting rack 1, and fixing holes 3 are formed in the surfaces of the fixed plates 2, so that the mounting rack 1 can be conveniently fixed on the surface of processing equipment through the fixed plates 2; the first guide grooves 41 are formed in the end faces of the two ends of the clamping plate 4, the side face of one side of the supporting plate 5 is fixedly connected with a first guide block 7, and the guide block is in sliding connection with the first guide grooves 41 and plays a role in guiding the clamping plate 4; a first sliding groove 42 is formed in the surface of one side of the clamping plate 4, and the supporting plate 5 is clamped and connected with the first sliding groove 42, so that the supporting plate 5 can move along the first sliding groove 42 conveniently; a groove 51 is formed in the side face of one side of each supporting plate 5, a through hole 11 is formed in the inner side wall of each groove 51, the connecting rod 8 is arranged between the two supporting plates 5, and two ends of each connecting rod 8 penetrate through the two through holes 11 respectively, so that the two supporting plates 5 can be connected through the connecting rods 8 conveniently; the top end of the connecting column 9 penetrates through the top end of the mounting rack 1, and the top end of the connecting column 9 is fixedly connected with the surface of the connecting rod 8, so that the connecting rod 8 is driven to move by the motor 16; the second guide grooves 13 are formed in the side surfaces of the two sides of the mounting frame 1, the bottom end of the clamping plate 4 is fixedly connected with the second guide block 6, and the second guide block 6 is slidably connected with the second guide grooves 13, so that the clamping plate 4 can be guided through the second guide grooves 13; the second sliding grooves 10 are formed in the upper surface of the mounting frame 1, and the two second sliding grooves 10 are symmetrically distributed at the top end of the mounting frame 1, so that the internal structure of the second sliding grooves 10 can be conveniently mounted; the motor 16 is fixedly connected to the lower surface of the mounting rack 1, the tail end of an output shaft of the motor 16 penetrates into the movable cavity 14, and the threaded rod 17 can be driven to rotate through the motor 16; the number of cylinder 12 is two, and the symmetric distribution is in the both ends terminal surface of mounting bracket 1 is convenient for pass through cylinder 12 drive splint 4 moves.

When the invention is used, electrical components in the application are externally connected with a power supply and a control switch when in use, firstly, the position of the supporting plate 5 can be adjusted through the thickness of a workpiece, the motor 16 works, the motor 16 can drive the threaded rod 17 to rotate when working, the section of the connecting column 9 is of a T-shaped structure, the connecting column 9 is a stepped cylindrical structure, the diameter of the upper part of the connecting column 9 is smaller than that of the lower part, the inner part of the connecting column 9 is of a hollow structure, the threaded rod 17 is of a cylindrical structure, the movable cavity 14 is of a cylindrical structure, the diameter of the movable cavity 14 is equal to the diameter of the bottom of the connecting column 9, the threaded rod 17 is matched and connected with the threaded groove 91 of the connecting column 9, because the threaded rod 17 is in threaded connection with the threaded groove 91 at the bottom end of the connecting column 9, the threaded rod 17 drives the connecting column 9 to move in the vertical direction along the movable cavity 14; the connecting rod 8 is arranged between the two support plates 5, the connecting rod 8 can be driven to move through the connecting column 9, and therefore the purpose of adjusting the positions of the support plates 5 is achieved, when the connecting column 9 moves upwards, the internal space of the movable cavity 14 is enlarged, internal heat dissipation is facilitated, heat inside the motor 16 can be pumped into the movable cavity 14, lubricating oil inside the movable cavity 14 can be conveniently conveyed to the outer surface of the threaded rod 17, and the phenomenon that rust is generated inside the movable cavity and inconvenient replacement is avoided; then place the work piece on backup pad 5 for cylinder 12 work, cylinder 12 can drive splint 4 and move along second spout 10, with this come to the work piece centre gripping between two splint 4, slider 20 can move along guide post 19 simultaneously, make reset spring 18 be in the state of compressed, when dismantling the work piece, disconnection cylinder 12, under reset spring 18's reaction, two splint 4 can resume to initial position fast, dismantle the work piece again, it is comparatively simple during the use, the dismouting efficiency is higher.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a frock clamp which characterized in that: the pneumatic guide device comprises a pneumatic driving structure, a first guide groove (41), a first sliding groove (42), a second guide groove (13), a connecting rod (8), a supporting plate (5), a motor driving structure, an installation frame (1) and a fixing plate (2) which are sequentially arranged from top to bottom; the pneumatic driving structure comprises a clamping plate (4), a second sliding groove (10), an air cylinder (12), a guide post (19) and a return spring (18), wherein a sliding block (20) is fixedly connected to the bottom end of the clamping plate (4), and the sliding block (20) is clamped inside the second sliding groove (10); the air cylinder (12) is fixedly connected to the end faces of the two ends of the mounting rack (1), the tail end of an output rod of the air cylinder (12) penetrates through the end face of the mounting rack (1), and the tail end of the output rod of the air cylinder (12) is fixedly connected with the side face of the sliding block (20); side holes (201) are formed in the side face of the sliding block (20), the guide post (19) penetrates through the side holes (201), end faces of two ends of the guide post (19) are fixedly connected with two inner side walls of the second sliding chute (10) respectively, and the reset spring (18) is sleeved on the surface of the guide post (19); the motor driving structure comprises a connecting column (9), a movable cavity (14), a bearing (15) and a motor (16), the movable cavity (14) is arranged in the mounting rack (1), the section of the connecting column (9) is of a T-shaped structure, the connecting column (9) is of a stepped cylindrical structure, the diameter of the upper part of the connecting column (9) is smaller than that of the lower part, the inner part of the connecting column (9) is of a hollow structure, the tail end of an output shaft of the motor (16) is fixedly connected with a threaded rod (17), the threaded rod (17) is of a cylindrical structure, the movable cavity (14) is of a cylindrical structure, and the diameter of the movable cavity (14) is equal to the diameter of the bottom of the connecting column (9), the bottom end of the connecting column (9) is sleeved in the movable cavity (14), and a thread groove (91) is formed in the end face of the bottom end of the connecting column (9); the bottom end of the threaded rod (17) is rotatably connected with the bottom end of the movable cavity (14) through the bearing (15), and the top end of the threaded rod (17) is screwed with the threaded groove (91);

the fixing plate (2) is fixedly connected to the side surfaces of two sides of the mounting rack (1), and a fixing hole (3) is formed in the surface of the fixing plate (2);

the first guide groove (41) is formed in the end faces of the two ends of the clamping plate (4), a first guide block (7) is fixedly connected to the side face of one side of the supporting plate (5), and the first guide block (7) is connected with the first guide groove (41) in a sliding mode;

a first sliding groove (42) is formed in the surface of one side of the clamping plate (4), and the supporting plate (5) is connected with the first sliding groove (42) in a clamping mode;

a groove (51) is formed in the side face of one side of each supporting plate (5), a through hole (11) is formed in the inner side wall of each groove (51), the connecting rod (8) is arranged between the two supporting plates (5), and two ends of the connecting rod (8) penetrate through the two through holes (11) respectively;

the top end of the connecting column (9) penetrates through the top end of the mounting rack (1), and the top end of the connecting column (9) is fixedly connected with the surface of the connecting rod (8);

the second guide grooves (13) are formed in the side faces of the two sides of the mounting frame (1), the bottom end of the clamping plate (4) is fixedly connected with a second guide block (6), and the second guide block (6) is connected with the second guide grooves (13) in a sliding mode;

the second sliding grooves (10) are formed in the upper surface of the mounting rack (1), and the two second sliding grooves (10) are symmetrically distributed at the top end of the mounting rack (1); the motor (16) is fixedly connected to the lower surface of the mounting rack (1), and the tail end of an output shaft of the motor (16) penetrates into the movable cavity (14); the number of the cylinders (12) is two, and the cylinders are symmetrically distributed on the end faces of two ends of the mounting rack (1).