CN212287346U

CN212287346U - Machining is with convenient fixed mechanical fixture

Info

Publication number: CN212287346U
Application number: CN202020818236.7U
Authority: CN
Inventors: 张建
Original assignee: Shanghai Baoding Machinery Manufacturing Co ltd
Current assignee: Baomaote Shanghai Intelligent Engineering Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-05
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a mechanical fixture technical field just discloses a convenient fixed mechanical fixture for machining, comprising a base plate, the bottom plate upper surface is equipped with the spring, spring and fixed plate fixed connection, bottom plate upper surface middle part fixedly connected with second pneumatic cylinder, fixed surface is connected under second pneumatic cylinder and the fixed plate, fixed surface is connected with first pneumatic cylinder on the fixed plate, first pneumatic cylinder and rack board bottom fixed connection, the rack board left and right sides respectively with two sets of gear engagement. The utility model provides a machining is with convenient fixed mechanical fixture, includes the bottom plate, the bottom plate upper surface is equipped with the spring, spring and fixed plate fixed connection, bottom plate upper surface middle part fixedly connected with second pneumatic cylinder, second pneumatic cylinder and fixed plate lower fixed surface are connected, fixed plate upper surface fixedly connected with first pneumatic cylinder, first pneumatic cylinder and rack plate bottom fixed connection.

Description

Machining is with convenient fixed mechanical fixture

Technical Field

The utility model relates to a mechanical fixture technical field specifically is a machining is with convenient fixed mechanical fixture.

Background

The jig is a tool for fastening a workpiece to fix a part at a corresponding position during machining, and may be called a jig in a broad sense, and a device for conveniently and safely mounting a workpiece at any process in a process. But current anchor clamps, single structure can not press from both sides tightly fixedly according to the mould of co-altitude not, can only the centre gripping in the bottom of mould, and to the part that highly is higher, at its bottom centre gripping, the clamping-force is tight inadequately, and is difficult not hard up, inconvenient user's use.

Disclosed a fixed mechanical fixture for machining in chinese patent publication No. CN209698917U, this fixed mechanical fixture for machining, two reference columns of mechanical table board and symmetry fixed connection on mechanical table board, still including one end rotate cup joint the anchor clamps head on the reference column, the other end of anchor clamps head passes through locking device and mechanical table board locking is fixed, two anchor clamps heads are the symmetry setting, slide in the arc spout through the slider of anchor clamps head lower extreme, use the reference column as the center, circular motion is done to the anchor clamps head, very big convenient change anchor clamps head's position, conveniently lay the mold processing, rotatory locking bolt realizes that the anchor clamps head presss from both sides tightly and dismantles mold processing, supplementary clamping bar increases clamping height to increase the centre gripping dynamics, have very strong practicality, but this kind of mode has very big defect: after the bolt is used for a long time, the abrasion is serious, and the connection is unstable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a machining is with convenient fixed mechanical fixture has solved but current anchor clamps, and single structure can not press from both sides tightly fixedly according to the mould of co-altitude, can only the centre gripping in the bottom of mould, and to high higher part, at its bottom centre gripping, the centre gripping dynamics is tight inadequately, and is not hard up easily, inconvenient user's use problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a conveniently fixed mechanical clamp for machining comprises a base plate, wherein a spring is arranged on the upper surface of the base plate and fixedly connected with a fixed plate, a second hydraulic cylinder is fixedly connected to the middle of the upper surface of the base plate and fixedly connected with the lower surface of the fixed plate, a first hydraulic cylinder is fixedly connected with the upper surface of the fixed plate and fixedly connected with the bottom end of a rack plate, the left side and the right side of the rack plate are respectively meshed with two sets of gears, two sets of limiting grooves are arranged on the upper surface of the fixed plate and are in sliding connection with the rack plate, the gears are fixedly connected with the top end of a first rotating shaft, the bottom end of the first rotating shaft is fixedly connected with the upper surface of the fixed plate, the top end of the first rotating shaft is rotatably connected with one end of a second rotating rod, the other end of the second rotating rod is rotatably connected with a connecting rod, and, the first rotating rod is rotatably connected with the fixed column, the front end of the connecting rod is fixedly connected with the fixed block, one side face of the fixed block is fixedly connected with the barrel, a connecting piece is arranged on the other side of the barrel and fixedly connected with two sets of positioning blocks, and a clamp is fixedly connected to one side, far away from the barrel, of the connecting piece.

Preferably, the connecting piece comprises a cone and a cylinder, two groups of positioning blocks are fixedly mounted on the outer ring of the cylinder, a fixing groove is formed in one side, away from the cone, of the cylinder, and the fixing groove is fixedly connected with the clamp.

Preferably, a through groove is formed in one side, away from the fixing block, of the barrel, two groups of clamping grooves are formed in the outer ring of the barrel, and the two groups of clamping grooves are located on the same horizontal line with the two groups of positioning blocks respectively.

Preferably, four corners of the upper surface of the bottom plate are fixedly connected with the bottom ends of the four groups of springs, and the top ends of the springs are fixedly connected with the upper surface of the fixing plate.

Preferably, the fixed plate upper surface is fixedly connected with the bracing piece, bracing piece top and first pneumatic cylinder fixed connection, fixed column bottom and fixed plate upper surface fixed connection.

Preferably, the rubber mat is installed to the concave surface of anchor clamps, and the fixed plate upper surface is provided with spacing post, and spacing post just is located the inside of rack board in the middle of two sets of rack boards.

(III) advantageous effects

Compared with the prior art, the utility model provides a machining is with convenient fixed mechanical fixture possesses following beneficial effect:

1. the utility model provides a machining is with convenient fixed mechanical fixture, includes the bottom plate, the bottom plate upper surface is equipped with the spring, spring and fixed plate fixed connection, bottom plate upper surface middle part fixedly connected with second pneumatic cylinder, second pneumatic cylinder and fixed plate lower fixed surface are connected, fixed plate upper surface fixedly connected with first pneumatic cylinder, first pneumatic cylinder and rack plate bottom fixed connection.

2. This machining is with convenient fixed mechanical fixture through fixed plate upper surface fixedly connected with bracing piece, bracing piece top and first pneumatic cylinder fixed connection, fixed column bottom and fixed plate upper surface fixedly connected, the bracing piece is fixed to first pneumatic cylinder, makes the stable work of first pneumatic cylinder, bottom plate upper surface four corners and four group spring bottom fixed connection, spring top and fixed plate upper surface fixedly connected, improve the stability that the device used.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the structure of the clamp of the present invention.

In the figure: 1. a base plate; 2. a limiting groove; 3. a gear; 4. a spring; 5. a fixing plate; 6. a first rotating lever; 7. a fixed block; 8. a connecting rod; 9. a rack plate; 10. a first hydraulic cylinder; 11. a first rotating shaft; 12. a second rotating rod; 13. fixing a column; 14. a second hydraulic cylinder; 15. a barrel; 16. positioning blocks; 17. a clamp; 18. a connecting member; 19. a limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a conveniently fixed mechanical clamp for machining comprises a base plate 1, a spring 4 is arranged on the upper surface of the base plate 1, the spring 4 is fixedly connected with a fixed plate 5, the spring 4 is made of spring steel, a second hydraulic cylinder 14 is fixedly connected to the middle of the upper surface of the base plate 1, the second hydraulic cylinder 14 is fixedly connected with the lower surface of the fixed plate 5, a first hydraulic cylinder 10 is fixedly connected with the upper surface of the fixed plate 5, the first hydraulic cylinder 10 is fixedly connected with the bottom end of a rack plate 9, the left side and the right side of the rack plate 9 are respectively meshed with two groups of gears 3, two groups of limiting grooves 2 are arranged on the upper surface of the fixed plate 5, the limiting grooves 2 are in sliding connection with the rack plate 9, the rack plate 9 is of an inverted U-shaped structure, the widths of two ends of the rack plate 9 are respectively matched with the widths of the limiting grooves 2, the gears 3 are fixedly connected with the top end of a first rotating shaft 11, the bottom, the other end of second bull stick 12 rotates with connecting rod 8 to be connected, connecting rod 8 rotates with first bull stick 6 to be connected, the direction of deflection of first bull stick 6 is unanimous with the angle of deflection of second bull stick 12, first bull stick 6 rotates with fixed column 13 to be connected, 8 front ends of connecting rod and fixed block 7 fixed connection, a side and barrel 15 fixed connection of fixed block 7, barrel 15 opposite side is equipped with connecting piece 18, two sets of locating pieces 16 of connecting piece 18 fixedly connected with, one side fixedly connected with anchor clamps 17 of barrel 15 are kept away from to connecting piece 18.

Specifically, in order to clamp workpieces of different sizes conveniently, the connecting piece 18 is composed of a cone and a cylinder, two groups of positioning blocks 16 are fixedly mounted on the outer ring of the cylinder, a fixing groove is formed in one side, away from the cone, of the cylinder, and the fixing groove is fixedly connected with the clamp 17.

Specifically, in order to conveniently change the clamp 17, one side of the barrel 15 far away from the fixing block 7 is provided with a through groove, the outer ring of the barrel 15 is provided with two sets of clamping grooves, the two sets of clamping grooves are respectively located on the same horizontal line with the two sets of positioning blocks 16, and the positioning blocks 16 are connected with the clamping grooves in a matched mode, so that the clamp 17 is conveniently changed.

Specifically, in order to improve the stability of the device in use, four corners of the upper surface of the bottom plate 1 are fixedly connected with the bottom ends of four groups of springs 4, and the top ends of the springs 4 are fixedly connected with the upper surface of the fixing plate 5.

Specifically, for fixed first pneumatic cylinder 10, set up fixed surface and be connected with the bracing piece on fixed plate 5, bracing piece top and first pneumatic cylinder 10 fixed connection, fixed column 13 bottom and fixed plate 5 upper surface and be connected, the bracing piece is fixed to first pneumatic cylinder 10, makes the stable work of first pneumatic cylinder 10.

Specifically, in order to protect the workpiece, the concave surface provided with the clamp 17 is provided with the rubber pad, the upper surface of the fixing plate 5 is provided with the limiting column 19, the limiting column 19 is arranged in the middle of the two groups of rack plates 9 and located inside the rack plates 9, the rubber pad is good in elasticity, and certain buffering is achieved when the workpiece is clamped.

When using, utilize second pneumatic cylinder 14 to adjust the device to suitable height, it is convenient to press from both sides tight fixedly to the work piece of co-altitude, first pneumatic cylinder 10 work, it slides in spacing groove 2 to drive rack board 9, spacing post 19 has carried on spacingly to the slip of rack board 9, rack board 9 cooperates with gear 3, make first pivot 11 drive second bull stick 12 and take place to deflect, and then first bull stick 6 deflects with the cooperation of fixed column 13, make connecting rod 8 drive fixed block 7 and be close to the centre, cooperation through two sets of anchor clamps 17, press from both sides tight the work piece, through locating piece 16 and barrel 15 joint, it is convenient to change anchor clamps 17, realize the work piece centre gripping to not unidimensional.

In conclusion, the conveniently fixed mechanical clamp for machining can clamp and fix workpieces with different heights through the arranged second hydraulic cylinder 14, cushion the movement of the fixed plate 5 through the arranged four groups of springs 4 to conveniently protect the workpieces, drive the rack plate 9 to move in the limiting groove 2 through the first hydraulic cylinder 10 to enable the gear 3 to be matched with the rack plate 9, further enable the second rotating rod 12 to deflect at a certain angle with the first rotating rod 6, further enable the connecting rod 8 to drive the fixed block 7 to approach towards the middle, clamp and fix the workpieces through the clamp 17, conveniently replace the clamp 17 through the matching of the barrel 15 and the connecting piece 18 to conveniently clamp the workpieces with different sizes, the upper surface of the fixed plate 5 is fixedly connected with the supporting rod, the top end of the supporting rod is fixedly connected with the first hydraulic cylinder 10, and the bottom end of the fixed column 13 is fixedly connected with the upper surface of the fixed plate 5, the bracing piece is fixed to first pneumatic cylinder 10, makes the stable work of first

pneumatic cylinder

10, and 1 upper surface four corners of bottom plate and the 4 bottom fixed connection of four groups of springs, the 4 top of spring and the 5 upper surface fixed connection of fixed plate improve the stability that the device used.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a machining is with convenient fixed mechanical fixture, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is provided with a spring (4), the spring (4) is fixedly connected with a fixed plate (5), the middle part of the upper surface of the bottom plate (1) is fixedly connected with a second hydraulic cylinder (14), the second hydraulic cylinder (14) is fixedly connected with the lower surface of the fixed plate (5), the upper surface of the fixed plate (5) is fixedly connected with a first hydraulic cylinder (10), the first hydraulic cylinder (10) is fixedly connected with the bottom end of a rack plate (9), the left side and the right side of the rack plate (9) are respectively meshed with two sets of gears (3), the upper surface of the fixed plate (5) is provided with two sets of limiting grooves (2), the limiting grooves (2) are slidably connected with the rack plate (9), the gears (3) are fixedly connected with the top end of a first rotating shaft (11), the bottom end of the first rotating shaft (11) is fixedly connected with the upper surface of the fixed plate (5), the top end of the first rotating shaft (11) is rotatably, the utility model discloses a barrel (15) fixed connection, including second bull stick (12), connecting rod (8), first bull stick (6) and fixed column (13) rotate to be connected, connecting rod (8) front end and fixed block (7) fixed connection, a side and barrel (15) fixed connection of fixed block (7), barrel (15) opposite side is equipped with connecting piece (18), two sets of locating pieces (16) of connecting piece (18) fixedly connected with, one side fixedly connected with anchor clamps (17) of barrel (15) are kept away from in connecting piece (18).

2. The mechanical fixture convenient to fix for machining according to claim 1, characterized in that: the connecting piece (18) comprises a cone and a cylinder, two groups of positioning blocks (16) are fixedly mounted on the outer ring of the cylinder, a fixing groove is formed in one side, away from the cone, of the cylinder, and the fixing groove is fixedly connected with the clamp (17).

3. The mechanical fixture convenient to fix for machining according to claim 1, characterized in that: a through groove is formed in one side, away from the fixing block (7), of the barrel body (15), two groups of clamping grooves are formed in the outer ring of the barrel body (15), and the two groups of clamping grooves are located on the same horizontal line with the two groups of positioning blocks (16) respectively.

4. The mechanical fixture convenient to fix for machining according to claim 1, characterized in that: four corners of the upper surface of the bottom plate (1) are fixedly connected with the bottom ends of the four groups of springs (4), and the top ends of the springs (4) are fixedly connected with the upper surface of the fixing plate (5).

5. The mechanical fixture convenient to fix for machining according to claim 1, characterized in that: fixed surface is connected with the bracing piece on fixed plate (5), bracing piece top and first pneumatic cylinder (10) fixed connection, fixed column (13) bottom and fixed surface is connected on fixed plate (5).

6. The mechanical fixture convenient to fix for machining according to claim 1, characterized in that: the rubber mat is installed to the concave surface of anchor clamps (17), and fixed plate (5) upper surface is provided with spacing post (19), and spacing post (19) just are located the inside of rack plate (9) in the middle of two sets of rack plate (9).