CN108994638B

CN108994638B - Special-shaped part machining and clamping mechanism

Info

Publication number: CN108994638B
Application number: CN201810823244.8A
Authority: CN
Inventors: 姚昆; 庄素文; 岳国艳; 刘明云; 谭俊; 夏赛男
Original assignee: XIANGYANG YUQING TRANSMISSION TECHNOLOGY CO LTD
Current assignee: XIANGYANG YUQING TRANSMISSION TECHNOLOGY CO LTD
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2020-06-16
Anticipated expiration: 2038-07-25
Also published as: CN108994638A

Abstract

The invention relates to the technical field of machining, in particular to a special-shaped piece machining clamping mechanism which can solve the problem that machining precision is influenced because a special-shaped piece is difficult to clamp firmly when a irregularly-shaped piece is machined in the field of machining. Its technical essential includes the workstation, the activity of workstation top is equipped with the opening orientation the V template of workstation top surface, and be used for supporting the supporting component of V template, the supporting component height-adjustable. Through adopting above-mentioned technical scheme, when processing the work piece, can with the centre gripping intracavity between V template and workstation terminal surface, reuse bore hole or other equipment to process the work piece. Compared with a common clamp, the V-shaped plate can firmly clamp the workpiece in the clamping cavity, and particularly for irregularly-shaped parts, the workpiece can be well prevented from rotating in the clamping cavity to affect the machining precision of the workpiece.

Description

Special-shaped part machining and clamping mechanism

Technical Field

The invention belongs to the technical field of machining, and particularly relates to a special-shaped piece machining clamping mechanism.

Background

Along with the development of production technology, the requirements for industrial production of engineering machinery processing are higher and higher, and especially for boring processing of engineering machinery parts and the like, the requirements for boring precision are higher and higher.

Chinese utility model patent with publication number CN201455704U discloses a boring machine and boring machine anchor clamps, including the bottom plate that the level set up, fixed mounting is the vertical support frame on the bottom plate, and the splint that the level set up are connected to the support frame top, installs the adjusting part on the bottom plate, and the common centre gripping work piece of adjusting part and splint.

However, the boring machine fixture disclosed above is only suitable for clamping a workpiece with a regular shape, and for a irregularly-shaped workpiece with a irregular shape, it is difficult to stably limit the irregularly-shaped workpiece on the bottom plate, so that when boring a irregularly-shaped workpiece, the irregularly-shaped workpiece is easily rotated, and further the processing difficulty is increased, the boring precision is reduced, and the product quality is reduced.

Disclosure of Invention

The invention aims to provide a special-shaped piece machining clamping mechanism which can solve the problem that machining precision is influenced because a special-shaped piece is difficult to clamp firmly when a special-shaped piece in an irregular shape is machined in the field of machining.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a dysmorphism processing clamping machine constructs, includes the workstation, the activity of workstation top is equipped with the opening orientation the V template of workstation top surface, and be used for supporting the supporting component of V template, the supporting component height-adjustable.

Furthermore, the supporting component comprises two supporting plates which are vertically arranged oppositely, the supporting plates are horizontally arranged, two supporting rods which are in X-shaped rotating connection are arranged between the two supporting plates, a rotating rod is arranged on the bottom surface of the supporting plate above the supporting plates, and the supporting rods are connected with the rotating rod in a sliding mode and slide along the axial direction of the rotating rod; one of the support rods is hinged with the support plate positioned below, and the other support rod is driven to move by a hydraulic cylinder.

Furthermore, the top end of the V-shaped plate is arranged on a cross rod, and the cross rod is erected above the workbench through a supporting component.

Furthermore, the top ends of the two support arms of the V-shaped plate are respectively connected with the cross rod in a rotating manner.

Furthermore, a control rod for controlling the rotation of the support arm is arranged between the support rod and the support arm of the V-shaped plate.

Furthermore, one end of the control rod is fixedly connected with the support rod, the other end of the control rod slides and penetrates through the thickness of the V-shaped plate support arm, and an arc-shaped limiting hole matched with the control rod is formed in the V-shaped plate support arm; two the bracing piece relative rotation drives two the control lever removes, drives V template support arm relative rotation presss from both sides the work piece tightly, just V template support arm one end all the time with the workstation laminating.

Furthermore, two slide between the backup pad and run through and be equipped with the guide post.

Compared with the prior art, the invention has the beneficial effects that:

1. when the workpiece is processed, the workpiece can be clamped in a clamping cavity between the V-shaped plate and the end face of the workbench, and then the workpiece is processed by using a boring hole or other equipment; the workbench can rotate in the horizontal plane, so that the workpieces can be conveniently machined in multiple directions. Compared with a common clamp, the V-shaped plate can firmly clamp the workpiece in the clamping cavity, and particularly for irregularly-shaped parts, the workpiece can be well prevented from rotating in the clamping cavity to affect the machining precision of the workpiece.

2. The supporting component is set to be of an X-shaped structure, and therefore when the height of the supporting component needs to be adjusted, only the hydraulic cylinder needs to be started, the piston of the hydraulic cylinder pushes one supporting rod to move towards the opposite side, the two supporting rods can be driven to rotate relatively, the height of the clamping mechanism can be adjusted, and a workpiece can be clamped and fixed better.

Two support arms of V-shaped plate rotate with the horizontal pole and be connected, and set up the control lever between the support arm of bracing piece and V-shaped plate, like this, when reciprocating through supporting component drive V-shaped plate, can drive two support arms relative rotations of V-shaped plate simultaneously to can the centre gripping work piece of different size of a dimension.

4. According to the invention, the arc-shaped limiting hole matched with the control rod is formed in the support arm of the V-shaped plate through the thickness of the support arm, and the control rod is inserted in the limiting hole in a sliding manner, so that the control rod can be ensured to smoothly drive the support arm of the V-shaped plate to rotate along with the movement of the support rod, and simultaneously, the lower end surfaces of the two support arms are ensured to be always attached to the top surface of the workbench, so that a gap is prevented from being left between the support arm of the V-shaped plate and the workbench, and the clamping.

5. The guide post is arranged between the two support plates in a sliding mode, so that the whole support assembly can be stably placed on the workbench, the V-shaped plate can be supported, and deflection cannot occur.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of the whole structure of a special-shaped part processing and clamping mechanism.

In the figure, 1, a workbench; 2. a V-shaped plate; 21. a limiting hole; 3. a support assembly; 31. a support plate; 32. a support bar; 33. a rotating rod; 4. a cross bar; 41. a fixing plate; 5. a control lever; 6. a guide post; 7. and a hydraulic cylinder.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

The utility model provides a dysmorphism processing clamping machine constructs, refers to figure 1, includes workstation 1 through the level is placed to and install the clamping subassembly in workstation 1 top, the clamping subassembly include a horizontal pole 4 and with horizontal pole 4 be connected, be located the V template 2 of horizontal pole 4 below. Two ends of the cross rod 4 are respectively supported above the workbench 1 through the supporting components 3, and the cross rod 4 and the supporting components 3 are integrally arranged; the V-shaped plate 2 is downward opened and is always attached to the top surface of the workbench 1. When the workpiece is processed, the workpiece can be clamped in a clamping cavity between the V-shaped plate 2 and the end face of the workbench 1, and then the workpiece is processed by using a boring hole or other equipment; further, the table 1 is rotatable in a horizontal plane, which facilitates machining of a workpiece in a plurality of directions. Compared with a common clamp, the V-shaped plate 2 can firmly clamp the workpiece in the clamping cavity, and particularly for irregularly-shaped parts, the workpiece can be well prevented from rotating in the clamping cavity to affect the machining precision of the workpiece.

Referring to fig. 1, the support assembly 3 includes two horizontal support plates 31 disposed opposite to each other in a vertical direction, and two support rods 32 disposed between the two support plates 31 and connected in an X-shape rotation manner, wherein a middle intersection of the two support rods 32 is rotatably connected by a pin. A guide post 6 is vertically arranged between the two support plates 31, the bottom end of the guide post 6 is fixedly connected with the support plate 31 positioned below, and the top end slides to penetrate through the support plate 31 positioned above. A horizontal rotating rod 33 is fixedly connected to the bottom surface of the supporting plate 31 positioned above, and the top ends of the two supporting rods 32 are connected with the rotating rod 33 in a sliding manner and can relatively slide along the axial direction of the rotating rod 33. The bottom end of one of the support rods 32 is hinged with the support plate 31 located below, the other support rod 32 is hinged with the piston rod of a hydraulic cylinder 7, and the hydraulic cylinder 7 drives the support rod 32 to move along the axial direction of the rotating rod 33. Like this, when the height of clamping subassembly needs to be adjusted, only need start hydraulic cylinder 7 and promote corresponding bracing piece 32 and remove, can drive two bracing pieces 32 and rotate relatively to can adjust the height of clamping subassembly, carry out the centre gripping to the work piece better and fix.

Referring to fig. 1, a fixing plate 41 is fixedly connected to the lower portion of the cross bar 4, and the top ends of the two arms of the V-shaped plate 2 are rotatably connected to the fixing plate 41. Each bracing piece 32 is close to one side level fixedly connected with control lever 5 of the support arm of V template 2, run through its thickness level on the support arm of V template 2 and seted up with the spacing hole 21 of control lever 5 complex arc, two control levers 5 level slide and wear to establish in corresponding spacing hole 21. When the hydraulic cylinder 7 drives the two support rods 32 to rotate relatively, the two support arms of the V-shaped plate 2 can be driven to rotate relatively through the control rod 5, and then workpieces with different sizes can be clamped. In this embodiment, the support rod 32 drives the V-shaped plate 2 to move up and down and the two support arms rotate relatively, and simultaneously, the lower end surfaces of the two support arms are always attached to the top surface of the workbench 1, so as to avoid a gap between the support arms of the V-shaped plate 2 and the workbench 1 and influence on the clamping effect of the workpiece.

Claims

1. The utility model provides a dysmorphism processing clamping machine constructs, includes workstation (1), its characterized in that: the upper part of the workbench (1) is movably provided with a V-shaped plate (2) with an opening facing the top surface of the workbench (1) and a support component (3) for supporting the V-shaped plate (2), the height of the support component (3) is adjustable, the support component (3) comprises two vertically and oppositely arranged support plates (31), the support plates (31) are horizontally arranged, two support rods (32) which are positioned between the two support plates (31) and are in X-shaped rotating connection are arranged, the bottom surface of the support plate (31) positioned above is provided with a rotating rod (33), and the support rods (32) are in sliding connection with the rotating rod (33) and slide along the axial direction of the rotating rod (33); one of the support rods (32) is hinged with the support plate (31) positioned below, the other support rod (32) is driven to move by a hydraulic cylinder (7), the top end of the V-shaped plate (2) is arranged on a cross rod (4), the cross rod (4) is erected above the workbench (1) through a supporting component (3), the top ends of the two support arms of the V-shaped plate (2) are respectively connected with the cross rod (4) in a rotating way, a control rod (5) for controlling the rotation of the support arm is arranged between the support rod (32) and the support arm of the V-shaped plate (2), one end of the control rod (5) is fixedly connected with the support rod (32), the other end is arranged by sliding through the thickness of the support arm of the V-shaped plate (2), an arc-shaped limiting hole (21) matched with the control rod (5) is formed in the support arm of the V-shaped plate (2); two bracing piece (32) relative rotation drives two control lever (5) remove, drive V template (2) support arm relative rotation presss from both sides the work piece tightly, just V template (2) support arm one end all the time with workstation (1) laminating.

2. The clamping mechanism for machining a special-shaped part according to claim 1, characterized in that: two sliding and penetrating between the supporting plates (31) are provided with guide posts (6).