CN217776247U - Fixing clamp for precision machining and manufacturing - Google Patents

Abstract

The utility model discloses a mounting fixture is used in precision machining manufacturing relates to precision machining technical field, the on-line screen storage device comprises a base, the bottom both sides welding of base has the backup pad, and the top both sides welding of base has the fixed plate, the inboard of fixed plate is connected with electric putter, and electric putter's end-to-end connection has splint, the inboard of splint bonds there is the rubber pad, and both sides have seted up the square groove around the inside of base, the internally mounted of square groove has smooth rod, and smooth rod's outside has cup jointed the lantern ring. The utility model discloses in, the splint that drive both sides through electric putter move in opposite directions, can press from both sides the work piece of placing in the base top tightly to set up the lantern ring and smooth rod, splint remove the in-process, can play the effect of location and direction at the outside slip of smooth rod to the splint through the lantern ring, make splint remove in-process stationarity higher, make the centre gripping effect better.

Description

Fixing clamp for precision machining and manufacturing

Technical Field

The utility model relates to an accurate machining technical field especially relates to a mounting fixture is used in accurate machining manufacturing.

Background

In recent years, the mechanical manufacturing technology has been developed rapidly, production efficiency and technical precision are constantly improved, and in the precision parts machining process, often need carry out the tight subsequent technology that just can carry out of mounting fixture to precision parts, and the mechanical parts that need handle the processing often is small in size, the structure is complicated and the appearance is irregular, often need use dedicated anchor clamps when processing these parts, the anchor clamps that have corresponding double-layered groove are designed according to the appearance of spare part, current mounting fixture is carrying out the centre gripping in-process to the work piece, splint removal lacks location guide structure, lead to the stability that splint removed relatively poor, it is relatively poor to the centre gripping effect of work piece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current precision machining and making and using mounting fixture and carrying out the centre gripping in-process to the work piece, splint remove and lack location guide structure, lead to the stability that splint removed relatively poor, to the relatively poor shortcoming of the centre gripping effect of work piece, and the mounting fixture for precision machining and making that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixing jig for precision machining manufacturing, comprising:

the base, the bottom both sides welding of base has the backup pad, and the welding of the top both sides of base has the fixed plate, the inboard of fixed plate is connected with electric putter, and electric putter's end-to-end connection has splint, the inboard of splint bonds there is the rubber pad, and both sides have seted up the square groove around the inside of base, the internally mounted of square groove has the smooth pole, and the lantern ring has been cup jointed to the outside of smooth pole.

Preferably, the top surface central authorities of base have been embedded with the sealing ring, the screw has been seted up to the inside central authorities of base, and the internal connection of screw has threaded joint, threaded joint's bottom is connected with the air duct, and the bottom of air duct installs the cylinder, the welding has the dead lever between cylinder and the backup pad, the inside swing joint of cylinder has the piston, and has installed discharge valve above the outside right side of cylinder, the bottom central authorities of piston install the bearing, and the center department of bearing is connected with the screw rod.

Preferably, a moving structure is formed between the clamping plates and the fixing plate through an electric push rod, and two groups of clamping plates are symmetrically distributed around the central axis of the base.

Preferably, constitute sliding construction through the lantern ring between splint and the smooth pole, and the inner wall of lantern ring is laminated with the outer wall of smooth pole mutually.

Preferably, the air guide pipe is detachably connected with the screw hole through a threaded connector, and the threaded connector is communicated with the air cylinder through the air guide pipe.

Preferably, the screw rod is in threaded connection with the cylinder, and the screw rod is movably connected with the piston through a bearing.

Preferably, the centers of the piston, the cylinder and the screw hole are positioned on the same vertical line, and the outer wall of the piston is attached to the inner wall of the cylinder.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the splint that drive both sides through electric putter move in opposite directions, can press from both sides the work piece of placing in the base top tightly to set up the lantern ring and smooth rod, splint remove the in-process, can play the effect of location and direction at the outside slip of smooth rod to the splint through the lantern ring, make splint remove in-process stationarity higher, make the centre gripping effect better.

2. The utility model discloses in, and press the work piece downwards, make the bottom of work piece and sealing ring laminating be in the same place, make the laminating give vent to anger the gas tightness good, rotate the screw rod and make the piston downstream, when the piston downstream, extract the inside gas of screw through air duct and screwed joint, thereby form the negative pressure in the inside of screw, can be better adsorb the work piece of base top, make the stability of work piece centre gripping better.

Drawings

FIG. 1 is a schematic view of a partial cross-sectional structure of a middle clamp according to the present invention;

FIG. 2 is a schematic view of the internal structure of the cylinder of the present invention;

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

Illustration of the drawings:

1. a fixing plate; 2. an electric push rod; 3. a splint; 4. a rubber pad; 5. a screw hole; 6. a support plate; 7. a base; 8. fixing the rod; 9. a smooth rod; 10. a cylinder; 11. a collar; 12. a threaded joint; 13. an exhaust valve; 14. a bearing; 15. a screw; 16. a piston; 17. an air duct; 18. a seal ring; 19. a square groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a fixing clamp for precision machining manufacturing, including a base 7, support plates 6 are welded on two sides of the bottom of the base 7, and fixed plates 1 are welded on two sides of the top of the base 7, an electric push rod 2 is connected to the inner side of the fixed plate 1, and a clamp plate 3 is connected to the end of the electric push rod 2, a moving structure is formed between the clamp plate 3 and the fixed plate 1 through the electric push rod 2, and two sets of clamp plates 3 are symmetrically distributed about the central axis of the base 7, and can drive the clamp plate 3 to move left and right through the electric push rod 2, when the two sets of clamp plates 3 symmetrically distributed move in opposite directions, a workpiece placed above the base 7 can be clamped tightly, when the two sets of clamp plates 3 move in opposite directions, the workpiece can be removed from each other, a sliding structure is formed between the clamp plates 3 and the smooth rod 9 through a lantern ring 11, and the inner wall of the lantern ring 11 is attached to the outer wall of the smooth rod 9, when the clamp plate 3 moves in opposite directions, the lantern ring 11 and the lantern ring 9 can play a role in positioning and guiding role, so that the clamp plate 3 can be moved stably in the moving process, the lantern ring 11 is higher in the moving process, so that the inner side of the lantern ring 11 is provided with a rubber pad 19, and the inner side of the square groove 19 of the lantern ring 11 is provided with a rubber pad on the inner side of the base 7;

the sealing ring 18 is embedded in the center of the top surface of the base 7, the screw hole 5 is formed in the center of the base 7, the threaded connector 12 is connected inside the screw hole 5, the air guide pipe 17 is connected to the bottom of the threaded connector 12, the air cylinder 10 is installed at the bottom end of the air guide pipe 17, the air guide pipe 17 is detachably connected with the screw hole 5 through the threaded connector 12, the threaded connector 12 and the air cylinder 10 are in a communication state through the air guide pipe 17, the air guide pipe 17 and the screw hole 5 can be connected together by screwing the threaded connector 12 into the screw hole 5, the installation and the disassembly are convenient, the communication state ensures that the threaded connector 12 and the air cylinder 10 can be communicated with the atmosphere through the air guide pipe 17, when the piston 16 moves downwards, gas inside the screw hole 5 can be extracted through the air guide pipe 17 and the threaded connector 12, so that negative pressure is formed inside the screw hole 5, the workpiece above the base 7 can be better adsorbed, so that the workpiece clamping stability is better, the fixing rod 8 is welded between the cylinder 10 and the supporting plate 6, the piston 16 is movably connected inside the cylinder 10, the exhaust valve 13 is arranged above the right side of the outside of the cylinder 10, the centers of the piston 16, the cylinder 10 and the screw hole 5 are located on the same vertical line, the outer wall of the piston 16 is attached to the inner wall of the cylinder 10, the piston 16 can move up and down inside the cylinder 10, when the piston 16 moves down, gas inside the screw hole 5 can be extracted through the air guide pipe 17 and the threaded connector 12, when the piston 16 moves up, the gas inside the cylinder 10 can be sprayed out, the workpiece is conveniently separated from the base 7, the outer wall of the piston 16 is attached to the inner wall of the cylinder 10, and the air tightness of the attaching position of the piston 16 and the cylinder 10 is ensured to be good;

the bearing 14 is installed at the bottom center of the piston 16, the screw rod 15 is connected to the center of the bearing 14, the screw rod 15 is in threaded connection with the cylinder 10, the screw rod 15 and the piston 16 form movable connection through the bearing 14, the threaded connection ensures that the piston 16 can move downwards when the screw rod 15 is rotated, gas in the screw hole 5 can be extracted through the air duct 17 and the threaded connector 12, and the movable connection ensures that the piston 16 cannot cause movement interference to the rotation of the screw rod 15.

The working principle is as follows: the workpiece is placed at the top of the base 7, the workpiece is pressed downwards, the bottom of the workpiece is attached to the sealing ring 18, the clamping plates 3 on two sides can be driven to move oppositely through the electric push rod 2, the workpiece placed above the base 7 can be clamped tightly, in the moving process of the clamping plates 3, the clamping plates 3 can be positioned and guided through the sleeve rings 11 in the sliding mode outside the smooth rods 9, the stability of the clamping plates 3 in the moving process is high, the clamping effect is good, the screw rod 15 is rotated to enable the piston 16 to move downwards, when the piston 16 moves downwards, air inside the screw hole 5 can be extracted through the air guide pipe 17 and the threaded connector 12, negative pressure is formed inside the screw hole 5, the workpiece above the base 7 can be better adsorbed, the stability of workpiece clamping is good, and the air exhaust valve 13 is opened to quickly release pressure inside the air cylinder 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a mounting fixture for precision machining manufacturing which characterized in that includes:

base (7), the welding of the bottom both sides of base (7) has backup pad (6), and the welding of the top both sides of base (7) has fixed plate (1), the inboard of fixed plate (1) is connected with electric putter (2), and the end-to-end connection of electric putter (2) has splint (3), the inboard of splint (3) bonds has rubber pad (4), and both sides have seted up square groove (19) around the inside of base (7), the internally mounted of square groove (19) has smooth rod (9), and the outside of smooth rod (9) has cup jointed lantern ring (11).

2. The fixing jig for precision machining manufacturing according to claim 1, characterized in that: the top surface central authorities of base (7) are embedded into and are had sealing ring (18), screw (5) have been seted up to the inside central authorities of base (7), and the internal connection of screw (5) has threaded joint (12), the bottom of threaded joint (12) is connected with air duct (17), and the bottom of air duct (17) installs cylinder (10), the welding has dead lever (8) between cylinder (10) and backup pad (6), the inside swing joint of cylinder (10) has piston (16), and installs discharge valve (13) above the outside right side of cylinder (10), bearing (14) are installed to the bottom central authorities of piston (16), and the center department of bearing (14) is connected with screw rod (15).

3. The fixing jig for precision machining manufacturing according to claim 1, characterized in that: a moving structure is formed between the clamping plate (3) and the fixing plate (1) through the electric push rod (2), and two groups of clamping plates (3) are symmetrically distributed about the central axis of the base (7).

4. The fixing jig for precision machining manufacturing according to claim 1, characterized in that: the clamp plate (3) and the smooth rod (9) form a sliding structure through a sleeve ring (11), and the inner wall of the sleeve ring (11) is attached to the outer wall of the smooth rod (9).

5. The fixing jig for precision machining manufacturing according to claim 2, characterized in that: the air guide pipe (17) is detachably connected with the screw hole (5) through a threaded connector (12), and the threaded connector (12) is communicated with the air cylinder (10) through the air guide pipe (17).

6. The fixing jig for precision machining manufacturing according to claim 2, characterized in that: the screw rod (15) is in threaded connection with the cylinder (10), and the screw rod (15) is movably connected with the piston (16) through a bearing (14).

7. The fixing jig for precision machining manufacturing according to claim 2, characterized in that: the centers of the piston (16), the cylinder (10) and the screw hole (5) are positioned on the same vertical line, and the outer wall of the piston (16) is attached to the inner wall of the cylinder (10).

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