CN213352253U - Oil cylinder press-fitting angle bracket clamp - Google Patents

Abstract

An oil cylinder press-mounting angle bracket clamp comprises a bottom plate and vertical plates arranged on the front side and the rear side of the upper surface of the bottom plate, wherein a positioning block is arranged above each vertical plate; an angle bracket hole is arranged on the positioning block; the corner bracket hole is internally provided with a corner bracket matched with the corner bracket hole; the front end of the angle bracket is provided with a main hole which longitudinally penetrates through the angle bracket, and the rear end of the angle bracket is provided with a mounting hole which transversely penetrates through the angle bracket; the outer walls of the left side and the right side of the rear part of the positioning block are provided with positioning holes communicated with the mounting holes; a bushing matched with the positioning hole is arranged in each positioning hole, and the inner diameter of each bushing is equal to the diameter of the mounting hole; the left end of a positioning mandrel sequentially penetrates through the right bushing, the mounting hole and the left bushing leftwards; a cylinder mounting plate is arranged on the left side of the upper surface of the bottom plate; and the cylinder mounting plate is provided with a cylinder. The utility model discloses a hydro-cylinder pressure equipment angle frame anchor clamps not only can avoid the uneven condition that produces the crackle of angle frame mounting hole atress, and can guarantee that the location benchmark is unified.

Description

Oil cylinder press-fitting angle bracket clamp

Technical Field

The utility model relates to a hydro-cylinder pressure equipment angle frame anchor clamps.

Background

The press mounting of the present oil cylinder angle frame adopts the steps that a main hole of the angle frame is sleeved on an oil cylinder barrel, then an angle frame shape is cut on a square positioning block, a gap convenient for the installation of the angle frame is reserved, meanwhile, a positioning hole is cut on the positioning block, the position of the angle frame and the positioning block is positioned by a positioning mandrel, the small end face of the angle frame is supported by a supporting pipe vertically fixed on a bottom plate, and when a press presses the oil cylinder barrel downwards, the large end face of the oil cylinder barrel is parallel and level with the upper plane of the positioning block, so that the distance size between an angle frame mounting hole and the end face of the oil cylinder barrel is controlled. However, the technical process has the problems that on one hand, the angle frame is in interference fit with the cylinder barrel of the oil cylinder, the press-in force of the angle frame is larger, only one mounting hole of the angle frame bears the press-in force, the stress of the angle frame is uneven, cracks are easy to generate, meanwhile, the positioning mandrel is difficult to take out due to the fact that the mounting hole of the angle frame bears the press-in force and is extruded and deformed, on the other hand, the large-end face of the oil cylinder is machined again due to the fact that the small-end face of the cylinder barrel of the oil cylinder is used for positioning, the angle frame is positioned by the large-end face of the.

Disclosure of Invention

The utility model aims to solve the current technical problem and provide a hydro-cylinder pressure equipment angle frame anchor clamps, it not only can avoid the uneven condition that produces the crackle of angle frame mounting hole atress, and can guarantee that the location benchmark is unified.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses a hydro-cylinder pressure equipment angle frame anchor clamps, including the bottom plate, locate the riser of both sides around the bottom plate upper surface, its characterized in that: a positioning block is arranged above the vertical plate; an angle bracket hole is arranged on the positioning block; the corner bracket hole is internally provided with a corner bracket matched with the corner bracket hole; the front end of the angle bracket is provided with a main hole which longitudinally penetrates through the angle bracket, and the rear end of the angle bracket is provided with a mounting hole which transversely penetrates through the angle bracket; the outer walls of the left side and the right side of the rear part of the positioning block are provided with positioning holes communicated with the mounting holes; a bushing matched with the positioning hole is arranged in each positioning hole, and the inner diameter of each bushing is equal to the diameter of the mounting hole; the left end of a positioning mandrel sequentially penetrates through the right bushing, the mounting hole and the left bushing leftwards; a cylinder mounting plate is arranged on the left side of the upper surface of the bottom plate; the cylinder mounting plate is provided with a cylinder; the right end of a piston rod of the air cylinder is connected with a guide device; a sliding block matched with the guiding device is arranged above the guiding device; a supporting pipe matched with the sliding block is arranged above the sliding block; the lower end of a cylinder barrel of the oil cylinder downwards penetrates through the main hole and penetrates into the supporting pipe; the upper end of the cylinder barrel of the oil cylinder is provided with a large end head corresponding to the position of the main hole, and the diameter of the large end head is larger than that of the main hole; the right end of the positioning mandrel is provided with a shaft head exposed outside the positioning block; a plane notch is formed in the front side of the positioning mandrel and is opposite to the axis of the cylinder barrel of the oil cylinder.

The guide device comprises a U-shaped inclined wedge block connected with the right end of a piston rod of the air cylinder; the upper surface of the middle part of the bottom plate is provided with a base plate positioned between the vertical plates at the front side and the rear side, and the lower surface of the U-shaped inclined wedge block is attached to the upper surface of the base plate; the center of the upper surface of the base plate is provided with a guide mandrel, and the guide mandrel penetrates through a groove formed by the U-shaped oblique wedge block; a reversing valve mounting plate is arranged on the right side of the upper surface of the bottom plate; a manual reversing valve matched with the air cylinder is arranged on the reversing valve mounting plate; the upper end of the guide mandrel penetrates out of the groove upwards and is provided with a limiting head, and the diameter of the limiting head is larger than that of the guide mandrel; a sliding block matched with the U-shaped inclined wedge block is sleeved outside the part of the guide mandrel penetrating out of the groove; the lower surface of the sliding block is provided with a lower sliding hole matched with the guide mandrel, the upper surface of the sliding block is provided with an upper sliding hole matched with the limiting head, and the upper sliding hole is communicated with the lower sliding hole; the diameter of the upper sliding hole is larger than that of the lower sliding hole, and a limiting step is formed between the upper sliding hole and the lower sliding hole; a clamping gap is formed between the outer peripheral surface of the limiting head and the inner wall of the upper sliding hole; a supporting tube coaxial with the guiding mandrel is arranged above the sliding block, and the lower end of the supporting tube downwards penetrates through the clamping gap and is attached to the limiting step.

The upper surface of the U-shaped inclined wedge block is provided with a lower guide surface which inclines to the lower right; the lower surface of the sliding block is provided with an upper guide surface which is attached to the lower guide surface.

The center of the base plate is provided with an embedding hole; the center of the lower surface of the guide mandrel is provided with an embedded column matched with the embedded hole, and the lower surface of the guide mandrel is attached to the upper surface of the base plate; the center of the lower surface of the embedded column is provided with a screw hole; the lower surface of the bottom plate is provided with a through hole communicated with the screw hole; a screw is screwed in the screw hole through the through hole, and the embedded column is fixed with the bottom plate through the screw.

The front end and the rear end of the positioning block and the upper ends of the vertical plates at the front side and the rear side, and the front end and the rear end of the bottom plate and the lower ends of the vertical plates at the front side and the rear side are fixed through screws.

The utility model has the advantages that:

compared with the prior art, the oil cylinder press mounting angle bracket clamp adopting the structure of the utility model has the advantages that the positioning holes at the left side and the right side of the mounting hole of the angle bracket are provided with the bushings, and the positioning mandrel passes through the bushings at the left side and the right side and the mounting hole between the bushings, so when the angle bracket is in interference fit with the oil cylinder barrel to generate the press-in force, the positioning mandrel can share the press-in force for the mounting hole, the bearing capacity of the mounting hole is improved, the condition that the angle bracket is not uniformly stressed to cause the crack of the angle bracket due to the fact that only the mounting hole bears the press-in force is effectively avoided, the thickness of the left side and the right side of the positioning mandrel is increased equivalently, the strength of the positioning mandrel is effectively improved, more press-in forces can be shared by the mounting hole, the condition that the crack is generated due to the uneven stress of the angle bracket is avoided to, a cavity is arranged between the plane gap and the inner wall of the front side of the mounting hole, when the angle bracket and the cylinder barrel are pressed in an interference manner to cause the cylinder barrel to be extruded towards the mounting hole, the cavity can accommodate the part of the inner wall of the front side of the mounting hole which is pressed to deform and protrude backwards, the situation that the positioning mandrel cannot be taken out due to the fact that the mounting hole is pressed to deform and directly extruded on the positioning mandrel is avoided, the positioning block is fixed by the vertical plate and the bottom plate, so that the positioning block is not in a suspended state any more, the positioning mandrel is used for positioning the corner bracket in the corner bracket hole, the positions of the positioning blocks and the mounting holes of the angle brackets are stable, and the U-shaped inclined wedge blocks and the sliding blocks are additionally arranged below the supporting tube, so that the supporting tube can vertically move the lower end surface of the angle brackets, thereby compensatied the mounting hole of angle frame and the distance error of angle frame lower extreme face, spacing overhead end carries on spacingly to hydro-cylinder lower extreme face simultaneously to realize that the location benchmark is unified.

Drawings

FIG. 1 is a schematic structural view of the press-fitting corner bracket fixture for an oil cylinder of the present invention;

FIG. 2 is an enlarged view of section A of FIG. 1;

FIG. 3 is a sectional view of a part of the press-fitting corner bracket fixture for an oil cylinder of the present invention;

FIG. 4 is a schematic view of the positioning block;

FIG. 5 is a schematic view of the construction of the corner bracket;

FIG. 6 is a schematic view of the positioning mandrel;

FIG. 7 is a schematic structural view of the cylinder barrel and the corner bracket during press mounting;

FIG. 8 is a schematic view of the construction of the guide mandrel;

fig. 9 is a schematic structural view of a U-shaped tapered wedge.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1 to 9, the utility model provides an oil cylinder press mounting angle bracket fixture, which comprises a bottom plate 1 and vertical plates 2 arranged at the front and rear sides of the upper surface of the bottom plate 1, wherein a positioning block 3 is arranged above the vertical plates 2; an angle bracket hole 4 is formed in the positioning block 3; the corner bracket 5 matched with the corner bracket hole 4 is arranged in the corner bracket hole 4; the front end of the angle bracket 5 is provided with a main hole 6 which longitudinally penetrates through the angle bracket, and the rear end of the angle bracket 5 is provided with a mounting hole 7 which transversely penetrates through the angle bracket; the outer walls of the left side and the right side of the rear part of the positioning block 3 are provided with positioning holes 8 communicated with the mounting holes 7; a bushing 9 matched with the positioning hole is arranged in each positioning hole 8, and the inner diameter of each bushing 9 is equal to the diameter of the mounting hole 7; the left end of a positioning mandrel 10 sequentially penetrates through the right bushing 9, the mounting hole 7 and the left bushing 9 leftwards; a cylinder mounting plate 11 is arranged on the left side of the upper surface of the bottom plate 1; the cylinder mounting plate 11 is provided with a cylinder 12; the right end of the piston rod of the air cylinder 12 is connected with a guide device; a sliding block 13 matched with the guiding device is arranged above the guiding device; a supporting tube 14 matched with the sliding block 13 is arranged above the sliding block; the lower end of an oil cylinder barrel 15 downwards passes through the main hole 6 and penetrates into the supporting pipe 14; the upper end of the oil cylinder barrel 15 is provided with a large end head 16 corresponding to the position of the main hole 6, and the diameter of the large end head 16 is larger than that of the main hole 6; the right end of the positioning mandrel 10 is provided with a shaft head 17 exposed outside the positioning block 3; the front side of the positioning mandrel 10 is provided with a plane notch 18, and the plane notch 18 is opposite to the axis of the cylinder barrel 15.

The guide device comprises a U-shaped inclined wedge block 19 connected with the right end of a piston rod of the air cylinder 12; the upper surface of the middle part of the bottom plate 1 is provided with a base plate 20 positioned between the vertical plates 2 at the front side and the rear side, and the lower surface of the U-shaped inclined wedge block 19 is attached to the upper surface of the base plate 20; a guide mandrel 21 is arranged at the center of the upper surface of the backing plate 20, and the guide mandrel 21 penetrates through a groove 22 formed by the U-shaped inclined wedge block 19; a reversing valve mounting plate 23 is arranged on the right side of the upper surface of the bottom plate 1; the reversing valve mounting plate 23 is provided with a manual reversing valve 24 matched with the cylinder 12; the upper end of the guide mandrel 21 upwards penetrates through the groove 22 and is provided with a limiting head 25, and the diameter of the limiting head 25 is larger than that of the guide mandrel 21; a sliding block 13 matched with the U-shaped inclined wedge block 19 is sleeved outside the part of the guide mandrel 21 penetrating out of the groove 22; the lower surface of the sliding block 13 is provided with a lower sliding hole 26 matched with the guide mandrel 21, the upper surface of the sliding block 13 is provided with an upper sliding hole 27 matched with the limiting head 25, and the upper sliding hole 27 is communicated with the lower sliding hole 26; the diameter of the upper sliding hole 27 is larger than that of the lower sliding hole 26, and a limit step 28 is formed between the upper sliding hole 27 and the lower sliding hole 26; a clamping gap 29 is formed between the outer peripheral surface of the limiting head 25 and the inner wall of the upper slide hole 27; a supporting tube 14 which is coaxial with the guiding mandrel 21 is arranged above the sliding block 13, and the lower end of the supporting tube 14 downwards passes through the clamping gap 29 and is attached to the limiting step 28.

The upper surface of the U-shaped inclined wedge block 19 is provided with a lower guide surface 30 which inclines to the lower right; the lower surface of the sliding block 13 is provided with an upper guide surface 31 attached to the lower guide surface 30.

The center of the backing plate 20 is provided with an embedding hole 32; the center of the lower surface of the guide mandrel 21 is provided with an embedded column 33 matched with the embedded hole 32, and the lower surface of the guide mandrel 21 is attached to the upper surface of the backing plate 20; the center of the lower surface of the embedded column 33 is provided with a screw hole 34; the lower surface of the bottom plate 1 is provided with a through hole 35 communicated with the screw hole 34; a screw 36 is screwed in the screw hole 34 through the through hole 35, and the embedded column is fixed with the bottom plate 1 through the screw 36.

The front end and the rear end of the positioning block 3 are fixed with the upper ends of the front vertical plate 2 and the rear vertical plate 2, and the front end and the rear end of the bottom plate 1 are fixed with the lower ends of the front vertical plate 2 and the rear vertical plate 2 through screws.

The utility model discloses a use method as follows:

because the positioning holes 8 on the left side and the right side of the mounting hole 7 of the angle bracket 5 are both provided with the bushings 9, the positioning mandrel 10 simultaneously passes through the bushings 9 on the left side and the right side and the mounting hole 7 between the bushings 9, when the angle bracket 5 and the cylinder barrel 15 are in interference fit to generate press-in force, the positioning mandrel 10 can share the press-in force for the mounting hole 7, the bearing capacity of the mounting hole 7 is improved, the condition that the angle bracket 5 is not uniformly stressed to cause cracks on the angle bracket due to the press-in force only born by the mounting hole 7 is effectively avoided, the thickness of the left side and the right side of the positioning mandrel 10 is equivalently increased, the strength of the positioning mandrel 10 is effectively improved, more press-in force can be shared for the mounting hole 7, the condition that the cracks are generated due to the non-uniform stress on the angle bracket 5 is avoided to the greatest extent, and the plane notch 18 of the positioning mandrel 10 is, the cavity is formed between the plane notch 18 and the inner wall of the front side of the mounting hole 7, when the oil cylinder barrel 15 is extruded towards the direction of the mounting hole 7 due to interference press mounting of the angle bracket 5 and the oil cylinder barrel 15, the convex part of the inner wall of the front side of the mounting hole 7 which is pressed and deformed backwards can be accommodated in the cavity, and the situation that the positioning mandrel 10 cannot be taken out due to direct extrusion of the pressed deformation of the mounting hole 7 on the positioning mandrel 10 is avoided.

After the large end 16 of the cylinder barrel 15 and the main hole 6 of the angle bracket 5 are assembled initially, the manual reversing valve 24 can be opened to push the piston rod of the cylinder 12 to the right, at this time, the piston rod of the cylinder 12 pushes the U-shaped wedge 19 to the right, the existence of the groove 22 prevents the U-shaped wedge 19 from touching the guiding mandrel 21 during the rightward movement process, so as to ensure that the U-shaped wedge 19 can smoothly slide to the right along the track of the upper surface of the base plate 20, and the U-shaped wedge 19 cannot be blocked during the sliding process, because the upper surface of the U-shaped wedge 19 is provided with the lower guiding surface 30 inclined to the lower right, and the lower surface of the sliding block 13 is provided with the upper guiding surface 31 attached to the lower guiding surface 30, when the U-shaped wedge 19 moves to the right, the lower guiding surface 30 will not continuously push the upper guiding surface 31 of the lower surface of the sliding block 13 to the upper guiding surface of the sliding block 13, so that the sliding, the limit step 28 on the slide block 13 pushes the support tube 14 upwards until the upper end face of the support tube 14 is tightly pressed on the lower end face of the angle bracket 5, so that the angle bracket 5 is supported, then the press is started, the press head of the press moves downwards along with the press head and contacts the upper end face of the large end 16 of the cylinder tube 15, the large end 16 is pressed into the main hole 6 of the angle bracket 5 along with the downward movement of the press head of the press, the interference fit between the large end 16 and the main hole 6 is completed, at the moment, the cylinder tube 15 moves downwards along the support tube 14 under the action of downward pressure, finally, the lower end face of the cylinder tube 15 is pressed on the upper end face of the limit head 25, the press-mounting between the cylinder tube 15 and the angle bracket 5 is completed, the distance size between the mounting hole 7 of the angle bracket and the end face of the cylinder tube 15 is controlled, so that the press-mounting between the cylinder tube 15 and the angle bracket 5 is completed, and when the lower end face of, the manual reversing valve 24 can be opened to enable the piston rod of the air cylinder 12 to retract leftwards, the U-shaped inclined wedge block 19 moves leftwards to reset, the supporting tube 14 and the sliding block 13 synchronously move downwards due to self gravity, when the supporting tube 14 moves downwards, the supporting force of the lower end face of the angle bracket 5 is removed, finally the positioning mandrel 10 is taken out, the semi-finished oil cylinder is taken out, and the press-fitting processing is completed.

The utility model discloses a locating piece 3 is fixed with riser 2 and bottom plate 1, thereby locating piece 3 is no longer in unsettled state, fix a position corner brace 5 in corner brace hole 4 with positioning mandrel 10 again, so locating piece 3 and corner brace 5's mounting hole 7 position is more stable, owing to increased U type tapered wedge 19 and slider 13 below stay tube 14, make terminal surface under stay tube 14 can the vertical migration corner brace 5, thereby the distance error of terminal surface under 7 of mounting hole and the corner brace 5 of corner brace 5 has been compensatied, spacing head 25 upper end is spacing to terminal surface under 15 hydro-cylinder cylinders simultaneously, thereby it is unified to realize the positioning reference.

The center of the base plate 20 is provided with an embedding hole 32, the center of the lower surface of the guide mandrel 21 is provided with an embedding column 33 matched with the embedding hole 32, the lower surface of the guide mandrel 21 is attached to the upper surface of the base plate 20, the center of the lower surface of the embedding column 33 is provided with a screw hole 34, the lower surface of the bottom plate 1 is provided with a through hole 35 communicated with the screw hole 34, a screw 36 is screwed in the screw hole 34 through the through hole 35, the embedding column 33 is fixed with the bottom plate 1 through the screw 36, and the bottom plate 1, the base plate 20 and the embedding column 33 of the guide mandrel 21 can be conveniently.

Between both ends and the upper end of front and back both sides riser 2 around the locating piece 3, all fixed mutually through the screw between both ends and the lower extreme of front and back both sides riser 2 around the bottom plate 1, the dismouting between locating piece 3 and riser 2 and the dismouting between bottom plate 1 and the riser 2 of being convenient for of this kind of fixed mode.

Claims (5)

1. The utility model provides an hydro-cylinder pressure equipment angle frame anchor clamps, includes the bottom plate, locates the riser of bottom plate upper surface front and back both sides, its characterized in that: a positioning block is arranged above the vertical plate; an angle bracket hole is arranged on the positioning block; the corner bracket hole is internally provided with a corner bracket matched with the corner bracket hole; the front end of the angle bracket is provided with a main hole which longitudinally penetrates through the angle bracket, and the rear end of the angle bracket is provided with a mounting hole which transversely penetrates through the angle bracket; the outer walls of the left side and the right side of the rear part of the positioning block are provided with positioning holes communicated with the mounting holes; a bushing matched with the positioning hole is arranged in each positioning hole, and the inner diameter of each bushing is equal to the diameter of the mounting hole; the left end of a positioning mandrel sequentially penetrates through the right bushing, the mounting hole and the left bushing leftwards; a cylinder mounting plate is arranged on the left side of the upper surface of the bottom plate; the cylinder mounting plate is provided with a cylinder; the right end of a piston rod of the air cylinder is connected with a guide device; a sliding block matched with the guiding device is arranged above the guiding device; a supporting pipe matched with the sliding block is arranged above the sliding block; the lower end of a cylinder barrel of the oil cylinder downwards penetrates through the main hole and penetrates into the supporting pipe; the upper end of the cylinder barrel of the oil cylinder is provided with a large end head corresponding to the position of the main hole, and the diameter of the large end head is larger than that of the main hole; the right end of the positioning mandrel is provided with a shaft head exposed outside the positioning block; a plane notch is formed in the front side of the positioning mandrel and is opposite to the axis of the cylinder barrel of the oil cylinder.

2. The oil cylinder press-fitting angle bracket clamp as claimed in claim 1, is characterized in that: the guide device comprises a U-shaped inclined wedge block connected with the right end of a piston rod of the air cylinder; the upper surface of the middle part of the bottom plate is provided with a base plate positioned between the vertical plates at the front side and the rear side, and the lower surface of the U-shaped inclined wedge block is attached to the upper surface of the base plate; the center of the upper surface of the base plate is provided with a guide mandrel, and the guide mandrel penetrates through a groove formed by the U-shaped oblique wedge block; a reversing valve mounting plate is arranged on the right side of the upper surface of the bottom plate; a manual reversing valve matched with the air cylinder is arranged on the reversing valve mounting plate; the upper end of the guide mandrel penetrates out of the groove upwards and is provided with a limiting head, and the diameter of the limiting head is larger than that of the guide mandrel; a sliding block matched with the U-shaped inclined wedge block is sleeved outside the part of the guide mandrel penetrating out of the groove; the lower surface of the sliding block is provided with a lower sliding hole matched with the guide mandrel, the upper surface of the sliding block is provided with an upper sliding hole matched with the limiting head, and the upper sliding hole is communicated with the lower sliding hole; the diameter of the upper sliding hole is larger than that of the lower sliding hole, and a limiting step is formed between the upper sliding hole and the lower sliding hole; a clamping gap is formed between the outer peripheral surface of the limiting head and the inner wall of the upper sliding hole; a supporting tube coaxial with the guiding mandrel is arranged above the sliding block, and the lower end of the supporting tube downwards penetrates through the clamping gap and is attached to the limiting step.

3. The oil cylinder press-fitting angle bracket clamp as claimed in claim 2, wherein: the upper surface of the U-shaped inclined wedge block is provided with a lower guide surface which inclines to the lower right; the lower surface of the sliding block is provided with an upper guide surface which is attached to the lower guide surface.

4. The oil cylinder press-fitting angle bracket clamp as claimed in claim 2, wherein: the center of the base plate is provided with an embedding hole; the center of the lower surface of the guide mandrel is provided with an embedded column matched with the embedded hole, and the lower surface of the guide mandrel is attached to the upper surface of the base plate; the center of the lower surface of the embedded column is provided with a screw hole; the lower surface of the bottom plate is provided with a through hole communicated with the screw hole; a screw is screwed in the screw hole through the through hole, and the embedded column is fixed with the bottom plate through the screw.

5. The oil cylinder press-fitting angle bracket clamp as claimed in claim 1, is characterized in that: the front end and the rear end of the positioning block and the upper ends of the vertical plates at the front side and the rear side, and the front end and the rear end of the bottom plate and the lower ends of the vertical plates at the front side and the rear side are fixed through screws.

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