Frock clamp of adjustable locating pin
Technical Field
The utility model relates to a frock clamp specifically relates to a frock clamp of adjustable locating pin.
Background
In the machining process, the workpiece to be machined needs to be locked and fixed by utilizing various tool fixtures, so that subsequent machining is facilitated, a plurality of positioning pins are often arranged in the tool fixtures, the workpiece is positioned, the existing positioning pins are integrally formed and arranged on the fixture body, or the positioning pins are fixed through the positioning holes, and the positioning pins are difficult to finely adjust according to actual machining positioning requirements.
Therefore, provide one kind and can finely tune the locating pin according to actual processing location demand to improve machining precision's frock clamp is the utility model discloses the problem that needs solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frock clamp of adjustable locating pin has solved current locating pin and has all been integrated into one piece setting on the anchor clamps body, perhaps fixes through the locating hole, leads to the locating pin to be difficult to carry out the problem of finely tuning according to the processing location demand of reality.
In order to achieve the purpose, the utility model provides a tooling clamp capable of adjusting a positioning pin, which comprises a base, wherein a cylinder and a back plate are respectively fixed on the base, so that the cylinder can tightly press a workpiece on the back plate, and a positioning pin mechanism is also arranged on the base;
the locating pin mechanism is including fixing support on the base, the surperficial undercut of support is formed with the spout, rotationally be provided with the lead screw axle in the spout, lead screw nut has been cup jointed on the lead screw axle, lead screw axle at least part extends to the outside of support, be fixed with the axle sleeve that sets up along vertical direction on the lead screw nut, the inner wall of axle sleeve is formed with internal thread structure, be provided with the locating pin in the axle sleeve, the lower extreme of locating pin is partial at least to be provided with external thread structure, and is rotatory the locating pin can make it move along vertical direction.
Preferably, a bearing is fixed on the support, and the screw shaft is at least partially rotatably clamped in the bearing.
Preferably, a knob is fixed to an end of the screw shaft located outside the support.
Preferably, a piston rod of the cylinder is fixed with a contact block.
Preferably, a rubber cushion block is arranged on the back plate.
Preferably, a support plate arranged along the horizontal direction is fixed at the upper end of the back plate, and a drill bushing is detachably arranged on the support plate.
The utility model provides a tooling clamp capable of adjusting a positioning pin, which comprises a base, wherein a cylinder and a back plate are respectively fixed on the base, so that the cylinder can tightly press a workpiece on the back plate, and a positioning pin mechanism is also arranged on the base; the locating pin mechanism is including fixing support on the base, the surperficial undercut of support is formed with the spout, rotationally be provided with the lead screw axle in the spout, lead screw nut has been cup jointed on the lead screw axle, lead screw axle at least part extends to the outside of support, be fixed with the axle sleeve that sets up along vertical direction on the lead screw nut, the inner wall of axle sleeve is formed with internal thread structure, be provided with the locating pin in the axle sleeve, the lower extreme of locating pin is partial at least to be provided with external thread structure, and is rotatory the locating pin can make it move along vertical direction. In the machining process, a workpiece to be machined is placed on the base, the workpiece is pressed on the back plate through the air cylinder, one side of the workpiece is abutted to the positioning pin before the air cylinder is started so as to position the left position and the right position of the workpiece, the screw shaft is rotated to drive the screw nut to move, so that the shaft sleeve and the positioning pin are close to or far away from one side of the workpiece so as to adjust the positioning position of the positioning pin, meanwhile, the height of the positioning pin can be adjusted in the vertical direction, adjustment is convenient according to the structure of the actual workpiece, then, the air cylinder is started to press the workpiece on the back plate, and subsequent processes such as drilling are convenient; the utility model provides a frock clamp can effectively adjust the locating pin above that, has increased the positioning accuracy of work piece, improves follow-up processingquality.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a structural diagram of a tooling fixture provided by the present invention;
fig. 2 is the utility model provides a locating pin mechanism's block diagram in frock clamp.
Description of the reference numerals
1-base 2-positioning pin mechanism
3-cylinder 4-collision block
5-backboard 6-rubber cushion block
7-support plate 8-drill bushing
201-support 202-screw shaft
203-lead screw nut 204-shaft sleeve
205-locating pin 206-bearing
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1 and 2: the utility model provides a tooling clamp capable of adjusting a positioning pin, which comprises a base 1, wherein a cylinder 3 and a backboard 5 are respectively fixed on the base 1, so that the cylinder 3 can tightly press a workpiece on the backboard 5, and a positioning pin mechanism 2 is also arranged on the base 1; the locating pin mechanism 2 comprises a support 201 fixed on the base 1, a sliding groove is formed in the surface of the support 201 in a downward sunken mode, a screw shaft 202 is rotatably arranged in the sliding groove, a screw nut 203 is sleeved on the screw shaft 202, at least part of the screw shaft 202 extends to the outside of the support 201, a shaft sleeve 204 arranged in the vertical direction is fixed on the screw nut 203, an internal thread structure is formed on the inner wall of the shaft sleeve 204, a locating pin 205 is arranged in the shaft sleeve 204, at least part of the lower end of the locating pin 205 is provided with an external thread structure, and the locating pin 205 rotates to enable the locating pin 205 to move in the vertical direction. In the machining process, a workpiece to be machined is placed on the base, the workpiece is pressed on the back plate through the air cylinder, one side of the workpiece is abutted to the positioning pin before the air cylinder is started so as to position the left position and the right position of the workpiece, the screw shaft is rotated to drive the screw nut to move, so that the shaft sleeve and the positioning pin are close to or far away from one side of the workpiece so as to adjust the positioning position of the positioning pin, meanwhile, the height of the positioning pin can be adjusted in the vertical direction, adjustment is convenient according to the structure of the actual workpiece, then, the air cylinder is started to press the workpiece on the back plate, and subsequent processes such as drilling are convenient; the utility model provides a frock clamp can effectively adjust the locating pin above that, has increased the positioning accuracy of work piece, improves follow-up processingquality.
In a preferred embodiment of the present invention, in order to enable the screw shaft 202 to rotate smoothly, a bearing 206 is fixed on the support 201, and the screw shaft 202 is at least partially rotatably engaged in the bearing 206.
In a preferred embodiment of the present invention, in order to rotate the screw shaft 202, a knob is fixed to an end of the screw shaft 202 located outside the support 201.
The utility model discloses an in the preferred embodiment, for convenient cylinder 3 through the piston rod with work piece locking on backplate 5, be fixed with conflict piece 4 on the piston rod of cylinder 3.
The utility model discloses an in an preferred embodiment, in order to carry out effectual protection to the work piece, avoid causing the damage to the work piece surface at the extrusion in-process, be provided with rubber cushion 6 on the backplate 5.
In the preferred embodiment of the present invention, the upper end of the back plate 5 is fixed with a support plate 7 disposed along the horizontal direction, and the support plate 7 is detachably provided with a drill bushing 8. The tool clamp can be used in the drilling process of the workpiece.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.