CN218747339U

CN218747339U - Quick reverse side positioning fixture

Info

Publication number: CN218747339U
Application number: CN202223458635.5U
Authority: CN
Inventors: 王君
Original assignee: Shanghai Junyue Precision Machinery Co ltd
Current assignee: Shanghai Junyue Precision Machinery Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-03-28
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to a positioning fixture technical field's a quick reverse side positioning fixture, including the anchor clamps base, the upper surface at anchor clamps base both ends is fixedly connected with supporting shoe, two respectively there is supporting platform through slide rail slidable mounting between the supporting shoe bottom. Compared with the prior art, through the sliding seat that sets up, grip block and supporting platform, this anchor clamps of being convenient for are in the use, at first support the supporting platform in the bottom of two sliding seats, then place the work piece between two grip blocks on supporting platform, then drive the centre gripping that the grip block realized the work piece through removing two sliding seats, when the work piece needs to carry out reverse side characteristic man-hour, move supporting platform downwards and rotate the work piece under the effect of connecting axle and trade the face, the fixed centre gripping of reverse side characteristic processing is realized to the supporting platform that resets at last, thereby the efficiency and the processing progress of reverse side characteristic processing have been improved.

Description

Quick reverse side positioning fixture

Technical Field

The utility model relates to a positioning fixture technical field especially relates to a quick reverse side positioning fixture.

Background

The positioning fixture can realize positioning and clamping of the workpiece, and guarantee stability of the workpiece in the machining process, and the workpiece not only needs to machine the front side characteristic of the workpiece, but also needs to machine the back side characteristic of the workpiece in the machining process.

As shown in the grant notice No. CN214559146U, although the jig is positioned horizontally and vertically by the driving mechanism and the rear mold positioning block, the effects of quickly fixing the jig and quickly positioning a plurality of parts can be achieved, the clamping of the front side feature and the clamping of the back side feature of the workpiece cannot be quickly achieved, so that the clamping efficiency of the front side and the back side of the workpiece is affected, the subsequent processing progress is seriously affected, and therefore, a quick back side positioning jig is proposed.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a quick reverse side positioning fixture has the change of convenient efficient realization work piece positive and negative centre gripping, avoids influencing centre gripping efficiency and processing progress.

The technical scheme of the utility model is that:

the utility model provides a quick reverse side positioning fixture, includes the anchor clamps base, the upper surface at anchor clamps base both ends is fixedly connected with supporting shoe respectively, two there is supporting platform through slide rail slidable mounting between the supporting shoe bottom, supporting platform's both ends upper surface is equipped with the sliding seat respectively, two the inboard of sliding seat rotates through the bearing respectively and is connected with the connecting axle, two the relative one side of connecting axle is fixedly connected with grip block respectively, be equipped with supporting component, two between supporting platform's bottom and the anchor clamps base middle part upper surface the front end and the rear end of sliding seat are equipped with drive assembly respectively.

In a further technical scheme, the supporting component includes two movable blocks that pass through guide rail slidable mounting in anchor clamps base upper surface both ends, two same two-way lead screw is installed to the inboard screw thread of movable block, the both ends of two-way lead screw run through respectively and swivelling joint in the inboard of two supporting shoes, one of them one side fixed mounting of supporting shoe has No. two motors, the one end and No. two motor output fixed connection of two-way lead screws, both ends fixedly connected with connecting seat respectively around the movable block upper surface, the inboard of connecting seat is connected with the bracing piece through installation hub rotation, the top outside of bracing piece is connected with the supporting seat through installation hub rotation, supporting seat fixed connection is in supporting platform's lower surface.

In a further technical scheme, the driving component comprises a first bidirectional screw rod which is installed on the inner sides of the two movable seats in a threaded mode, a protecting sleeve is fixedly installed on one side of the top of one of the supporting blocks, a first motor is fixedly installed on one side of the front end of the protecting sleeve, two ends of the first bidirectional screw rod penetrate through and are rotatably connected to the inner sides of the supporting blocks respectively, and a transmission component is arranged in the protecting sleeve.

In a further technical scheme, the transmission assembly comprises a transmission belt sleeved in the protective sleeve, one end of each of the two first bidirectional screw rods respectively penetrates through the front end and the rear end of one of the supporting blocks, transmission wheels are fixedly mounted on the outer sides of the two first bidirectional screw rods, the two transmission wheels are respectively sleeved on the inner sides of the rear ends of the front ends of the transmission belts, and the output end of the first motor penetrates through the protective sleeve and is fixedly connected with the front end of the transmission wheel.

In a further technical scheme, the outer sides of the other ends of the two first-way screw rods are rotatably connected with limit sleeves, and the limit sleeves are fixedly connected to one side, close to the movable seat, of the supporting block.

In a further technical scheme, the inboard fixed mounting in bottom of supporting seat has two installation axles, two the bracing piece rotates through two installation axles respectively and installs in the both ends inboard of supporting seat.

The utility model has the advantages that:

1. compared with the prior art, through the sliding seat that sets up, grip block and supporting platform, this anchor clamps of being convenient for are in the use, at first support the supporting platform in the bottom of two sliding seats, then place the work piece between two grip blocks on supporting platform, then drive the centre gripping that the grip block realized the work piece through removing two sliding seats, need carry out reverse side characteristic man-hour when the work piece, move down supporting platform and rotate the work piece and trade the face under the effect of connecting axle, the fixed centre gripping of reverse side characteristic processing is realized to the supporting platform that resets at last, thereby the efficiency and the processing progress of reverse side characteristic processing have been improved.

2. Compared with the prior art, through the movable block and the bracing piece that set up, this anchor clamps of being convenient for in the use, the screw thread that revolves to through two-way lead screw both ends difference drives two movable blocks and removes in opposite directions, then two movable blocks promote the bottom of two bracing pieces respectively and remove in opposite directions, and because the top of two bracing pieces rotates the bottom of installing at same supporting seat, consequently the movable block can promote steady reciprocating of supporting platform under the spacing of guide rail.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a clamping block according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a structure of a transmission belt according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a movable block according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a connection seat according to an embodiment of the present invention.

Description of reference numerals:

1. clamp apparatus a base; 2. a supporting block; 3. a first bidirectional screw rod; 4. a movable seat; 5. a clamping block; 6. a protective sleeve; 7. a first motor; 8. a limiting sleeve; 9. a support platform; 10. a movable block; 11. a connecting shaft; 12. a transmission belt; 13. a driving wheel; 14. a second bidirectional screw rod; 15. a connecting seat; 16. a support bar; 17. a supporting seat; 18. installing a shaft; 19. and a second motor.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-5, a rapid reverse positioning fixture comprises a fixture base 1, wherein two support blocks 2 are respectively and fixedly connected to the upper surfaces of two ends of the fixture base 1, so as to perform supporting and limiting functions, a support platform 9 is slidably mounted between the bottoms of the two support blocks 2 through a slide rail, so as to support and fix the bottom end of a workpiece, movable seats 4 are respectively arranged on the upper surfaces of two ends of the support platform 9, so as to drive the two clamp blocks 5 to move in opposite directions and support the clamp blocks 5 to rotate under the action of a connecting shaft 11, connecting shafts 11 are respectively and rotatably connected to the inner sides of the two movable seats 4 through bearings, so that the clamp blocks 5 can rotate at one end of the movable seats 4, the two clamp blocks 5 are respectively and fixedly connected to the opposite sides of the two connecting shafts 11, so as to clamp the workpiece, a support assembly is arranged between the bottom end of the support platform 9 and the upper surface of the middle part of the fixture base 1, so as to realize the movable support of the support platform 9, drive assemblies are respectively arranged at the front ends and rear ends of the two movable seats 4, so as to provide power for the two movable blocks 4 to move, the two movable blocks 14, and drive two movable blocks 14 which can be connected to drive two screw rods 14, so as to rotate in opposite directions, two movable blocks 14, and two movable blocks 14, so as to drive two movable blocks 14, two screw rods 14, which are respectively installed on the two movable blocks, and are mounted on the two movable blocks, so as to drive two screw rods 14, so that the second motor 19 drives the two movable blocks 10 to automatically move, one end of the second bidirectional screw 14 is fixedly connected with the output end of the second motor 19, the front end and the rear end of the upper surface of the movable block 10 are respectively and fixedly connected with the connecting seats 15, so that the supporting rod 16 can be rotatably connected with the movable blocks 10, the inner side of the connecting seat 15 is rotatably connected with the supporting rod 16 through the mounting shaft 18, the supporting platform 9 can be supported to move up and down, the outer side of the top end of the supporting rod 16 is rotatably connected with the supporting seat 17 through the mounting shaft 18, so that the horizontal positions of the top ends of the two supporting rods 16 are not changed, the supporting seat 17 is fixedly connected with the lower surface of the supporting platform 9, so that the supporting platform 9 is driven to move up and down by the pushing of the top ends of the two supporting rods 16, the driving assembly comprises a first bidirectional screw 3 which is arranged on the inner sides of the two movable seats 4 by threads, the two movable seats 4 can drive the two movable seats 4 to move in different directions by the different turning threads of the two ends of the first bidirectional screw 3, one of the two first bidirectional screws 3 can be prevented from rotating simultaneously, the two bidirectional screws 3, the protecting sleeves 12 are arranged on the inner sides of the two movable seats 12, which are respectively connected with the two movable blocks 12, and the two bidirectional screw assemblies which are arranged in the two movable seats 3, and the two ends of the two protective sleeves 12 which are respectively arranged in the two protective sleeves 12, and the two bidirectional screws which are respectively arranged on the two protective sleeves which are connected with the two movable seats 3, the two bidirectional screw assemblies which are arranged in the two ends of the two protective sleeves 12, and the two bidirectional screws which are respectively arranged on the two ends of the two bidirectional screw 13 which are respectively arranged on the two movable seats 3, the output of a motor 7 runs through lag 6 and front end drive wheel 13 fixed connection, can realize two rotations when between the two-way lead screw 3, the outside of two-way lead screw 3 other ends is rotated and is connected with stop collar 8, no. one two-way lead screw 3 pivoted stability has been guaranteed, stop collar 8 fixed connection is in one side that supporting shoe 2 is close to sliding seat 4, the inboard fixed mounting in bottom of supporting seat 17 has two installation axles 18, two bracing pieces 16 rotate through two installation axles 18 respectively and install in the both ends of supporting seat 17 inboard, make two bracing pieces 16 of supporting seat 17 bottom can promote a motor 7 and drive supporting platform 9 and reciprocate under the spacing of guide rail.

The working principle of the technical scheme is as follows:

firstly, a second motor 19 is started to rotate positively to drive a second bidirectional screw rod 14 to rotate, the second bidirectional screw rod 14 drives two movable blocks 10 to move oppositely through threads, the two movable blocks 10 respectively drive the bottom end of a support rod 16 to move downwards through a connecting seat 15, the bottom end of the support rod 16 moves oppositely to drive a support seat 17 to move upwards to the lower surfaces of two movable seats 4 under a limiting support platform 9 of a guide rail, at the moment, a workpiece is placed on the support platform 9 and located between the two movable seats 4, at the moment, a first motor 7 is started to drive a front end transmission wheel 13, then the front end transmission wheel 13 drives a rear end transmission wheel 13 to rotate through a transmission belt 12, the two transmission wheels 13 respectively shift two first bidirectional screw rods 3 to rotate, the two first bidirectional screw rods 3 rotate to drive the two movable seats 4 to move oppositely, the movable seats 4 drive a clamping block 5 through a connecting shaft 11 to realize clamping of the workpiece, when the workpiece needs to be processed with a characteristic, the second motor 19 is started to rotate reversely to drive the support platform 9 to move downwards, at the reverse side of the workpiece can be installed under the rotation of the connecting shaft 11, and the workpiece can be processed with a characteristic that the workpiece can be conveniently processed, and the workpiece can be processed.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a quick reverse side positioning fixture, includes anchor clamps base (1), its characterized in that: the upper surface at anchor clamps base (1) both ends is fixedly connected with supporting shoe (2) respectively, two there are supporting platform (9) through slide rail slidable mounting between supporting shoe (2) bottom, the both ends upper surface of supporting platform (9) is equipped with movable seat (4) respectively, two the inboard of movable seat (4) rotates through the bearing respectively and is connected with connecting axle (11), two fixedly connected with grip block (5) respectively to one side that connecting axle (11) is relative, be equipped with supporting component, two between the bottom of supporting platform (9) and anchor clamps base (1) middle part upper surface the front end and the rear end of movable seat (4) are equipped with drive assembly respectively.

2. The rapid reverse side positioning fixture according to claim 1, wherein: the supporting component comprises two movable blocks (10) which are arranged at two ends of the upper surface of the clamp base (1) in a sliding mode through guide rails, two-way screw rods (14) are installed on the inner side of the movable blocks (10) in a threaded mode, the two ends of the two-way screw rods (14) are respectively connected to the inner sides of the two supporting blocks (2) in a penetrating mode, one of the two ends of the two-way screw rods (14) is connected to the inner side of one of the two supporting blocks (2) in a penetrating mode, one end of each two-way screw rod (14) is fixedly connected with the output end of the corresponding two motor (19), the front end and the rear end of the upper surface of each movable block (10) are fixedly connected with connecting seats (15) respectively, the inner side of each connecting seat (15) is connected with a supporting rod (16) in a rotating mode through an installing shaft (18), the outer side of the top end of each supporting rod (16) is connected with a supporting seat (17) in a rotating mode through the installing shaft (18), and the supporting seat (17) is fixedly connected to the lower surface of the supporting platform (9).

3. The rapid reverse side positioning fixture according to claim 1, wherein: the drive assembly comprises a bidirectional screw rod (3) which is arranged on the inner sides of two movable seats (4) in a threaded mode, one of the bidirectional screw rod is fixedly arranged on one side of the top of the supporting block (2) and provided with a protective sleeve (6), a motor (7) is fixedly arranged on one side of the front end of the protective sleeve (6), two ends of the bidirectional screw rod (3) are respectively penetrated and rotatably connected to the inner sides of the supporting block (2), and a transmission assembly is arranged in the protective sleeve (6).

4. The rapid reverse side positioning jig according to claim 3, characterized in that: the transmission assembly comprises a transmission belt (12) sleeved in the protective sleeve (6), one end of each of the two bidirectional screw rods (3) penetrates through the front end and the rear end of one supporting block (2) respectively, a transmission wheel (13) is fixedly mounted on the outer side of the corresponding supporting block, the two transmission wheels (13) are sleeved on the inner side of the rear end of the front end of the transmission belt (12) respectively, and the output end of the motor (7) penetrates through the protective sleeve (6) and the front end and is fixedly connected with the transmission wheel (13).

5. The rapid reverse side positioning jig according to claim 3, characterized in that: the outer side of the other end of the two-way screw rod (3) is rotatably connected with a limiting sleeve (8), and the limiting sleeve (8) is fixedly connected to one side, close to the movable seat (4), of the supporting block (2).

6. The rapid reverse side positioning jig according to claim 2, characterized in that: the inboard fixed mounting in bottom of supporting seat (17) has two installation axles (18), two bracing piece (16) rotate through two installation axles (18) respectively and install in the both ends inboard of supporting seat (17).