Ejector processing positioning device

Abstract

The utility model discloses a device for positioning a thimble, comprising a first base, a second base and a thimble clamping assembly, wherein one end of the second base is hinged to the first base through a rotating locking member, so that the other end thereof can rotate around one end thereof under the action of an external force; the thimble clamping assembly comprises a support member arranged perpendicular to the second base, and a clamping member movably arranged on the support member for clamping the thimble. The utility model achieves the purpose of grinding the thimble bevel by arranging the thimble clamping assembly on the second base capable of rotational positioning; by movably connecting the clamping member with the vertical support member, so that the clamping member can move in the vertical direction, thereby satisfying the fixation of thimbles of different lengths; by detachably connecting the pressure plate with the thimble seat, the thimble can be quickly loaded and unloaded, and can be applied to the fixation of thimbles of different diameters, thereby saving grinding time and improving grinding efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing jigs, in particular to an ejector pin processing positioning device. Background Art

[0002] At present, most of the thimbles are ground using a clamping type grinding machine. The thimble is clamped by a three-claw mechanism and rotated to contact the grinding wheel to grind the thimble. This leads to several disadvantages. The first disadvantage is that when grinding thimbles with longer sizes or larger diameters, shaking is likely to occur, and the stability is poor, so that the grinding accuracy cannot be guaranteed; the second disadvantage is that it is impossible to grind thimbles with bevel requirements; the third disadvantage is that only one thimble can be ground at a time, which brings great inconvenience to the processing and leads to low grinding efficiency. Summary of the invention

[0003] In order to overcome the above-mentioned defects, the utility model provides a positioning device for machining an ejector pin, which has a simple structure, strong stability, high grinding efficiency, and can meet the grinding requirements of ejectors with inclined surfaces.

[0004] The technical solution adopted by the utility model to solve the technical problem is: to provide a positioning device for ejector processing, comprising:

[0005] First base;

[0006] A second base is disposed on the upper portion of the first base, and one end of the second base is hinged to the first base through a rotating locking member, so that the other end of the second base can rotate around the one end under the action of an external force;

[0007] The ejector pin clamping assembly is arranged on the second base, and comprises a support member arranged perpendicular to the second base, and a clamping member movably arranged on the support member for clamping the ejector pin.

[0008] As a further improvement of the present invention, a mounting groove is provided at one end of the first base, a connecting portion is provided at one end of the second base for cooperating with the mounting groove, and through holes are provided on two opposite side walls of the mounting groove and the connecting portion for the rotating shaft of the rotating locking member to pass through.

[0009] As a further improvement of the utility model, the clamping member includes an ejector seat and a pressure plate, and both ends of the pressure plate are detachably connected to one side of the ejector seat through two first screws respectively;

[0010] The ejector seat is provided with a plurality of V-shaped grooves at intervals in the horizontal direction on one side facing the pressing plate, and the V-shaped grooves and the pressing plate are surrounded by a fixing cavity for fixing the ejector along its axial direction.

[0011] As a further improvement of the present invention, a plurality of second screws are arranged on the pressure plate between two of the first screws corresponding to the plurality of V-shaped grooves, and ends of the second screws extend into the V-shaped grooves to press against the circumferential surface of the ejector pin.

[0012] As a further improvement of the utility model, the ejector seat is provided with a through hole for sleeved on the support member, and the through hole is provided with two vertical ridges spaced apart in the horizontal direction on the side wall away from the V-shaped groove, and the support member is provided with a sliding groove matching the ridges.

[0013] As a further improvement of the utility model, two third screws are provided on the side of the ejector seat away from the pressure plate, the two third screws are arranged corresponding to the two convex ridges, and one end of the two third screws passes through the convex ridges from the outside of the ejector seat to the inside and is connected to the slide groove.

[0014] As a further improvement of the present invention, the bottoms of the two sliding grooves of the support member are respectively provided with a plurality of screw holes adapted to the third screws along the vertical direction to achieve position adjustment of the clamping member.

[0015] The beneficial effects of the utility model are:

[0016] 1. The purpose of grinding the bevel of the ejector pin is achieved by arranging the ejector pin clamping assembly on a second base capable of rotation and positioning;

[0017] 2. The clamping member is movably connected to the vertical supporting member so that the clamping member can move vertically, thereby meeting the requirements for fixing ejectors of different lengths;

[0018] 3. By making the pressing plate and the ejector seat detachable, the ejector can be quickly loaded and unloaded, and can be used to fix ejectors of different diameters, saving grinding time and improving grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the clamping member of the utility model;

[0021] Figure 3 It is a schematic diagram of the state when the utility model is performing bevel grinding on the ejector pin.

[0022] Combined with the attached drawings, the following description is given:

[0023] 1. First base; 11. Mounting groove; 111. Side wall; 2. Second base; 21. Connecting portion; 3. Ejector clamping assembly; 31. Support member; 311. Slide groove; 32. Clamping member; 321. Ejector seat; 3211. V-shaped groove; 3212. Through hole; 32121. Raised ridge; A. Fixing cavity; 322. Pressing plate; 323. First screw; 324. Second screw; 325. Third screw; 4. Rotation locking member. DETAILED DESCRIPTION

[0024] A preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.

[0025] See also Figures 1 to 3 The utility model provides an embodiment of a thimble processing positioning device, comprising a first base 1, a second base 2, a thimble clamping assembly 3 and a rotary locking member 4. The second base 2 is arranged on the upper part of the first base 1, and one end of the second base 2 is hinged to the first base 1 through the rotary locking member 4, so that the other end thereof can rotate around one end thereof under the action of an external force. The first base 1 can be made of a material with magnetic attraction ability so as to be adsorbed on the workbench of a grinding machine, so as to facilitate the position movement of the positioning device of this embodiment.

[0026] Specifically, a mounting groove 11 is provided at one end of the first base 1, a connecting portion 21 is provided at one end of the second base 2 to be mounted in cooperation with the mounting groove 11, and through holes are provided on two side walls 111 opposite to the mounting groove 11 and the connecting portion 21 for the rotation axis of the rotation locking member 4 to pass through. That is, the first base 1 rotates around the rotation axis of the rotation locking member 4 and stops at any angle to meet the needs of the ejector pins that need to grind different inclined surfaces, wherein the rotation locking member 4 adopts a conventional design, such as the hinge structure of the screen and keyboard of a laptop computer.

[0027] Furthermore, the ejector clamping assembly 3 is arranged on the second base 2, and includes a support member 31 arranged vertically on the second base 2, and a clamping member 32 movably arranged on the support member 31 for clamping the ejector. The clamping member 32 includes an ejector seat 321 and a pressure plate 322, and the two ends of the pressure plate 322 are detachably connected to one side of the ejector seat 321 through two first screws 323, respectively. The ejector seat 321 is provided with a plurality of V-shaped grooves 3211 at intervals in the horizontal direction on the side facing the pressure plate 322, and the V-shaped grooves 3211 and the pressure plate 322 are arranged to form a fixed cavity A for fixing the ejector along its axial direction. The provision of multiple fixed cavities A can fix multiple ejectors at a time, so that multiple ejectors can be ground at the same time, saving grinding time.

[0028] The first screw 323 is used to fix the pressing plate 322 on the ejector seat 321, so as to adjust the distance between the inner side of the pressing plate 322 and the outer side of the ejector seat 321, thereby adjusting the cavity size of the fixed cavity A to achieve the clamping and fixing of ejectors of different diameters and facilitate the loading and unloading of the ejectors.

[0029] Furthermore, a second screw 324 is provided corresponding to each V-groove 3211, and the end of the second screw 324 extends into the V-groove 3211 to press against the circumferential surface of the ejector pin to ensure further stable clamping of the ejector pin, effectively avoiding shaking of the ejector pin during grinding and improving grinding accuracy.

[0030] Furthermore, the ejector seat 321 is provided with a through hole 3212 for sleeved on the support member 31. The through hole 3212 is provided with two vertical ridges 32121 spaced apart in the horizontal direction on the side wall away from the V-shaped groove 3211. The support member 31 is provided with a slide groove 311 matching the ridges 32121. Two third screws 325 are provided on the side of the ejector seat 321 away from the pressure plate 322. The two third screws 325 are provided corresponding to the two ridges 32121, and one end of the two third screws 325 passes through the ridges 32121 from the outside of the ejector seat 321 to the inside and is connected to the slide groove 311. The bottom of the two slide grooves 311 of the support member 31 is provided with a plurality of screw holes matching the third screws 325 in the vertical direction to achieve the position adjustment of the clamping member 32.

[0031] Specifically, the ejector seat 321 can slide up and down along the support member 31, so as to meet the requirements of clamping and fixing ejectors of different lengths. The ejector seat 321 is fixed to the bottom screw hole of the support member 31 by the third screw 325 to ensure the stability of the ejector seat 321, and further ensure the stability of the ejector during grinding.

[0032] In summary, the thimble processing positioning device provided by the utility model achieves the purpose of grinding the thimble bevel by arranging the thimble clamping assembly on the second base that can be rotatably positioned; by movably connecting the clamping member with the vertical support member so that the clamping member can move in the vertical direction, thereby meeting the fixation of thimbles of different lengths; by detachably connecting the pressure plate with the thimble seat, it can not only meet the quick loading and unloading of the thimble, but also be suitable for the fixation of thimbles of different diameters, thereby saving grinding time and improving grinding efficiency.

[0033] In the above description, many specific details are described to facilitate a full understanding of the present invention. However, the above description is only a preferred embodiment of the present invention. The present invention can be implemented in many other ways different from those described herein, so the present invention is not limited by the specific implementation disclosed above. At the same time, any person familiar with the technical field can make many possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of protection of the technical solution of the present invention.

Claims

1. A positioning device for ejector pin processing, characterized in that: include: A first base (1); A second base (2) is arranged on the upper part of the first base (1), and one end of the second base (2) is hinged to the first base (1) through a rotating locking member (4) so ​​that the other end thereof can rotate around the one end thereof under the action of an external force; The ejector pin clamping assembly (3) is arranged on the second base (2), and comprises a support member (31) arranged perpendicular to the second base (2), and a clamping member (32) movably arranged on the support member (31) for clamping the ejector pin.

2. The ejector processing and positioning device according to claim 1, characterized in that: A mounting groove (11) is provided at one end of the first base (1), a connecting portion (21) is provided at one end of the second base (2) and is mounted in cooperation with the mounting groove (11), and through holes are provided on two side walls (111) opposite to the mounting groove (11) and on the connecting portion (21) for the rotation shaft of the rotation locking member (4) to pass through.

3. The ejector processing and positioning device according to claim 1, characterized in that: The clamping member (32) comprises an ejector seat (321) and a pressing plate (322), and two ends of the pressing plate (322) are detachably connected to one side of the ejector seat (321) via two first screws (323); The ejector seat (321) is provided with a plurality of V-shaped grooves (3211) at intervals in the horizontal direction on one side facing the pressing plate (322); the V-shaped grooves (3211) and the pressing plate (322) enclose a fixing cavity (A) for fixing the ejector along its axial direction.

4. The ejector processing and positioning device according to claim 3, characterized in that: A plurality of second screws (324) are arranged on the pressure plate (322) between two of the first screws (323) corresponding to the plurality of V-shaped grooves (3211), and the ends of the second screws (324) extend into the V-shaped grooves (3211) to press against the peripheral surface of the ejector pin.

5. The ejector processing and positioning device according to claim 3, characterized in that: The ejector seat (321) is provided with a through hole (3212) for sleeved on the support member (31); the through hole (3212) is provided with two vertical ridges (32121) spaced apart in the horizontal direction on a side wall away from the V-shaped groove (3211); and the support member (31) is provided with a slide groove (311) matching the ridges (32121).

6. The ejector processing and positioning device according to claim 5, characterized in that: Two third screws (325) are provided on the side of the ejector seat (321) facing away from the pressure plate (322), and the two third screws (325) are arranged corresponding to the two convex ridges (32121), and one end of the two third screws (325) passes through the convex ridges (32121) from the outside of the ejector seat (321) to the inside and is connected to the slide groove (311).

7. The ejector processing and positioning device according to claim 6, characterized in that: The bottoms of the two sliding grooves (311) of the support member (31) are respectively provided with a plurality of screw holes adapted to the third screws (325) in the vertical direction to achieve position adjustment of the clamping member (32).

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