CN215967465U

CN215967465U - Multi-station clamp for precision machining of die parts

Info

Publication number: CN215967465U
Application number: CN202122281626.2U
Authority: CN
Inventors: 赖泽锋; 赖干文; 万好泉
Original assignee: Pengde Precision Technology Shenzhen Co ltd
Current assignee: Pengde Precision Technology Shenzhen Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-08
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a multi-station clamp for precision machining of die parts, which comprises a barrel, a plurality of first clamping blocks and a plurality of second clamping blocks, wherein a springback mechanism is arranged in the barrel, first fixing blocks are arranged on the outer side surfaces of the first clamping blocks, positioning sleeves are vertically arranged in the middles of the first fixing blocks, second fixing blocks are arranged on the outer side surfaces of the second clamping blocks, positioning rods are arranged on the bottom surfaces of the second fixing blocks, the lower ends of the positioning rods penetrate through the positioning sleeves, a plurality of second ball grooves are arranged on the inner side surfaces of the second clamping blocks, second balls are movably arranged in the second ball grooves, and a shell is arranged above the plurality of second clamping blocks. The clamping device has a simple structure, can clamp and fix more two ends of a part, and can push the shell and the second clamping block when the cutting knife cuts along the part, so that the second clamping block moves axially, the support can be always provided for the cutting position, the bending of the part is avoided, and the precision of part processing is ensured.

Description

Multi-station clamp for precision machining of die parts

Technical Field

The utility model relates to the technical field of machining clamps, in particular to a multi-station clamp for precision machining of die parts.

Background

Axle type part is a class of part of common use on the mould, be cylindric structure mostly, add man-hour at axle type part, need use the machining jig to carry out the centre gripping to it fixed, it is not accurate to prevent that the part is not hard up to lead to the machining dimension in the course of working, current most machining jig generally can only be fixed with the one end of part, the one end of keeping away from anchor clamps does not have fixedly and supports, at the in-process of cutting, in case the dynamics of cutting is too big, the crooked condition appears easily in the part of keeping away from anchor clamps one end, influence the precision of machining dimension.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a multi-station clamp for precision machining of die parts, so as to solve the problems in the background technology.

The utility model is realized by the following technical scheme: a multi-station clamp for precision machining of die parts comprises a barrel, a plurality of first clamping blocks and a second clamping block, wherein a rebounding mechanism is arranged inside the barrel, the plurality of first clamping blocks are arranged in an opening of the barrel, the plurality of second clamping blocks are arranged at the upper end of the first clamping blocks and are parallel to and opposite to the first clamping blocks, first fixing blocks are arranged on the outer side surfaces of the first clamping blocks, adjusting mechanisms for driving the first clamping blocks and the second clamping blocks to move are arranged on the outer wall surface of the barrel opposite to the first fixing blocks, positioning sleeves are vertically arranged in the middles of the first fixing blocks, second fixing blocks are arranged on the outer side surfaces of the second clamping blocks, positioning rods are arranged on the bottom surfaces of the second fixing blocks, the lower ends of the positioning rods penetrate through the positioning sleeves, first ball grooves are formed in the bottom surfaces of the positioning rods, first balls are movably arranged in the first ball grooves, and are contacted with the rebounding mechanism, all be equipped with a plurality of second ball grooves on the medial surface of second clamp splice, equal movable mounting has the second spheroid in the second ball groove, and the top of polylith second clamp splice is equipped with the casing, and the centre of casing is equipped with the jack, all installs first spring between casing and the second fixed block.

As the preferred technical scheme, adjustment mechanism all includes the screw rod, the gag lever post, bearing and hand wheel, all the protrusion forms the fixed part on the bottom surface of first fixed block, the equal embedded installation of bearing is on the fixed part, the outer wall of barrel is just all equipped with the screw hole to the inner circle department of bearing, the equal threaded connection of screw rod is in the screw hole, screw rod one end is all installed on the fixed part, the hand wheel is all installed on the other end of screw rod, the outer wall of barrel is located the upper end department of screw hole and all is equipped with spacing hole, the gag lever post all passes spacing hole and installs on first fixed block.

As preferred technical scheme, the resilience mechanism includes roof, second spring and polylith slider, and the roof sets up in the opening of barrel, the top surface contact of first spheroidal outer lane face and roof, and the second spring mounting is equipped with many spouts on the internal face of barrel perpendicularly between roof and barrel, and the equal slidable mounting of slider is in the spout, and slider one end is all installed on the outer lane face of roof.

As the preferred technical scheme, the cross section of the positioning rod and the cross section of the inner hole of the positioning sleeve are both arranged in a rectangular structure.

As a preferred technical scheme, a connecting flange is arranged on the bottom surface of the cylinder body.

The utility model has the beneficial effects that: the clamping device is simple in structure, can clamp and fix more two ends of a part, can push the shell and the second clamping block when the cutting knife cuts along the part, enables the second clamping block to axially move, can always provide support for a cutting position, avoids bending of the part, ensures the machining precision of the part, and can synchronously drive the first clamping block and the second clamping block through the adjusting mechanism, so that the convenience in operation is improved.

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, 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 the drawings without creative efforts.

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

fig. 2 is a schematic structural view of a second clamping block in the utility model.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 and 2, the multi-station fixture for precision machining of die parts comprises a cylinder body 1, a plurality of first clamping blocks 3 and second clamping blocks 4, wherein a rebound mechanism is arranged inside the cylinder body 1, the plurality of first clamping blocks 3 are arranged in an opening of the cylinder body 1, the plurality of second clamping blocks 4 are arranged at the upper end of the first clamping blocks 3 and are arranged in parallel and opposite to the first clamping blocks 3, first fixing blocks 8 are arranged on the outer side surfaces of the first clamping blocks 3, adjusting mechanisms for driving the first clamping blocks and the second clamping blocks to move are arranged at positions, right opposite to the first fixing blocks 8, of the outer wall surface of the cylinder body 1, positioning sleeves 7 are vertically arranged in the middles of the first fixing blocks 3, second fixing blocks 5 are arranged on the outer side surfaces of the second clamping blocks 4, positioning rods 6 are arranged on the bottom surfaces of the second fixing blocks 5, the lower ends of the positioning rods 6 penetrate through the positioning sleeves 7, first ball grooves are arranged on the bottom surfaces of the positioning rods 6, equal movable mounting has first spheroid 11 in the first ball groove, and first spheroid 11 all touches with resilient means, all is equipped with a plurality of second ball grooves on the medial surface of second clamp splice 4, and equal movable mounting has second spheroid 13 in the second ball groove, and the top of polylith second clamp splice 4 is equipped with casing 14, and the centre of casing 14 is equipped with jack 15, all installs first spring 16 between casing 14 and the second fixed block 5.

In this embodiment, adjustment mechanism all includes screw rod 19, gag lever post 17, bearing and hand wheel 18, all protrusion forms fixed part 9 on the bottom surface of first fixed block 8, the equal embedded installation of bearing is on fixed part 9, barrel 1's outer wall all is equipped with the screw hole just to the inner circle department of bearing, the equal threaded connection of screw rod 19 is in the screw hole, screw rod 19 one end is all installed on fixed part 9, hand wheel 18 is all installed on screw rod 19's the other end, barrel 1's outer wall is located the upper end department of screw hole and all is equipped with spacing hole, gag lever post 17 all passes spacing hole and installs on first fixed block 8.

In this embodiment, rebound mechanism includes roof 2, second spring 12 and polylith slider 22, and roof 2 sets up in the opening of barrel 1, the contact of the outer lane face of first spheroid 11 and the top surface of roof 2, and second spring 12 installs between roof 2 and barrel 1, is equipped with many spouts 23 on the internal face of barrel 1 perpendicularly, and slider 22 is all slidable mounting in spout 23, and slider 22 one end is all installed on the outer lane face of roof 2.

In this embodiment, the cross-section of locating lever 6 and the cross-section of the hole of position sleeve 7 all are the setting of rectangle structure.

In this embodiment, a coupling flange 21 is attached to the bottom surface of the cylinder 1, and the present apparatus is attached to the driving end of a lathe via the coupling flange.

The outer ring surface of the second sphere is flush with the inner side surface of the first clamping block, so that the second sphere can be in contact with the outer wall surface of the part after the part is clamped by the first clamping block.

Wherein, the spacing ring is installed to the lower extreme of locating lever, and the diameter of spacing ring is greater than the position sleeve to avoided the locating lever to break away from the position sleeve.

A user inserts one end of a part into the second clamping block and the first clamping block through the insertion hole, at the moment, the hand wheel can be rotated, the rotation of the hand wheel drives the screw rod to enable the screw rod to move inwards along the screw hole, the movement of the screw rod drives the first fixing block, the first clamping block, the positioning rod, the second fixing block and the second clamping block until the inner side surface of the first clamping block abuts against the outer wall surface of the part, the outer ring surface of the second ball abuts against the outer wall surface of the part, one end of the part can be clamped and fixed through the first clamping block, and the other end of the part can be clamped and fixed through the second clamping block;

when cutting, the cutting sword can the casing contact, when axial removal, can drive the casing, the removal of casing has promoted the second clamp splice, the removal of second clamp splice has driven second fixed block and locating lever, make the locating lever get into in the barrel along the position sleeve, and extrude the roof, make the compression of second spring, because the second clamp splice moves along with the removal of cutting sword, thereby can be all the time for the cutting department provides the support, avoided causing the bending of part, guarantee the accuracy of part, and after the cutting sword return, outwards pop out locating lever and second clamp splice through the resilience energy of second spring is again, make the second clamp splice ability return, make can repetitious use.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a multistation anchor clamps for mould part precision finishing which characterized in that: comprises a barrel body (1), a plurality of first clamping blocks (3) and second clamping blocks (4), wherein a springback mechanism is arranged in the barrel body (1), the plurality of first clamping blocks (3) are arranged in an opening of the barrel body (1), the plurality of second clamping blocks (4) are arranged at the upper ends of the first clamping blocks (3) and are oppositely arranged in parallel with the first clamping blocks (3), first fixing blocks (8) are all arranged on the outer side surfaces of the first clamping blocks (3), adjusting mechanisms for driving the first clamping blocks and the second clamping blocks to move are all arranged at positions, right opposite to the first fixing blocks (8), of the outer wall surfaces of the barrel body (1), positioning sleeves (7) are vertically arranged in the middles of the first fixing blocks (8), second fixing blocks (5) are all arranged on the outer side surfaces of the second clamping blocks (4), positioning rods (6) are all arranged on the bottom surfaces of the second fixing blocks (5), and the lower ends of the positioning rods (6) all penetrate through the positioning sleeves (7), all be equipped with first ball groove on the bottom surface of locating lever (6), equal movable mounting has first spheroid (11) in the first ball groove, first spheroid (11) all touches with resilient means, all be equipped with a plurality of second ball grooves on the medial surface of second clamp splice (4), equal movable mounting has second spheroid (13) in the second ball groove, the top of polylith second clamp splice (4) is equipped with casing (14), the centre of casing (14) is equipped with jack (15), all install first spring (16) between casing (14) and second fixed block (5).

2. The multi-station jig for precision machining of die parts according to claim 1, characterized in that: adjustment mechanism all includes screw rod (19), gag lever post (17), bearing and hand wheel (18), all protrusion forms fixed part (9) on the bottom surface of first fixed block (8), the equal embedded installation of bearing is on fixed part (9), the outer wall of barrel (1) is just all being equipped with the screw hole to the inner circle department of bearing, screw rod (19) equal threaded connection is in the screw hole, screw rod (19) one end is all installed on fixed part (9), hand wheel (18) are all installed on the other end of screw rod (19), the outer wall of barrel (1) is located the upper end department of screw hole and all is equipped with spacing hole, gag lever post (17) all passes spacing hole and installs on first fixed block (8).

3. The multi-station jig for precision machining of die parts according to claim 1, characterized in that: rebound mechanism includes roof (2), second spring (12) and polylith slider (22), roof (2) set up in the opening of barrel (1), the top surface contact of the outer lane face of first spheroid (11) and roof (2), second spring (12) are installed between roof (2) and barrel (1), be equipped with many spout (23) on the internal face of barrel (1) perpendicularly, equal slidable mounting in spout (23) slider (22), slider (22) one end is all installed on the outer lane face of roof (2).

4. The multi-station jig for precision machining of die parts according to claim 1, characterized in that: the cross section of the positioning rod (6) and the cross section of the inner hole of the positioning sleeve (7) are both arranged in a rectangular structure.

5. The multi-station jig for precision machining of die parts according to claim 1, characterized in that: the bottom surface of the cylinder body (1) is provided with a connecting flange (21).