CN214490481U

CN214490481U - Floating inner-support pull-down clamping mechanism for engine bearing cap

Info

Publication number: CN214490481U
Application number: CN202023179828.8U
Authority: CN
Inventors: 胡珏
Original assignee: Suzhou Cmb Machinery Co ltd
Current assignee: Suzhou Cmb Machinery Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-26
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an engine bearing cap internal stay clamping mechanism that pulls down floats, it includes the guide holder, draw the piece, first slider, the second slider, first pressure is held the piece, piece and the drop-down hydro-cylinder are held to the second pressure, the upper surface of guide holder is provided with a pair of first inclined plane spout, first slider sets up on first inclined plane spout with second slider horizontal slidable, be provided with second inclined plane spout on the relative side surface of first slider and second slider, draw the left and right sides surface of piece be provided with the first inclined plane guide rail of second inclined plane spout complex, the expansion end of drop-down hydro-cylinder with draw the piece and be connected and drive and draw the piece up-and-down motion, first pressure is held the piece and is set up the outside surface at first slider, the second is pressed and is held the outside surface that sets up at the second slider on the piece. The utility model discloses the structure is small and exquisite, and the space occupies for a short time, can keep the firm centre gripping of engine bearing cap, provides the prerequisite basis for realizing once only processing, improve equipment utilization ratio and the reduction in production cost to a plurality of products.

Description

Floating inner-support pull-down clamping mechanism for engine bearing cap

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of fixture, especially, relate to an engine bearing cap floats internal stay clamping mechanism that pulls down.

[ background of the invention ]

The engine bearing cap is used for supporting the crankshaft to fix the crankshaft and adjust the gap between the crankshaft and the cylinder body, and the hole on the tile is used for lubricating engine oil flowing in, so that the normal operation and power output of the crankshaft are ensured. Its accuracy and performance directly affect the performance and life of the engine. However, because the engine cylinder block bearing cover is large in demand and needs to be manufactured in multiple stations, the manufacturing cost is reduced, and therefore a floating inner-support pull-down clamping mechanism with a small structure is needed to clamp a workpiece, so that a plurality of workpieces can be placed on the workbench, the manufacturing cost of the workpiece is reduced, and the manufacturing precision of the product is ensured.

[ Utility model ] content

The utility model discloses a main aim at provides an engine bearing cap floats internal stay drop-off clamping mechanism, and the structure is small and exquisite, and the space occupies for a short time, can keep the firm centre gripping of engine bearing cap, provides the prerequisite basis for realizing once only processing, improve equipment utilization ratio and the reduction in production cost to a plurality of products.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a floating inner-support pull-down clamping mechanism of an engine bearing cap comprises a guide seat, a pull block, a first slide block, a second slide block, a first pressing block, a second pressing block and a pull-down oil cylinder, the upper surface of the guide seat is oppositely provided with a pair of first inclined plane chutes, the first slide block and the second slide block are respectively arranged on the two first inclined plane chutes in a horizontally slidable manner, a second inclined chute in the shape of an inverted V is arranged on the opposite side surface of the first slide block and the second slide block, the left and right side surfaces of the pulling block are provided with first inclined plane guide rails matched with the second inclined plane sliding grooves, the movable end of the pull-down oil cylinder is connected with the pull block and drives the pull block to move up and down, the first pressing block is arranged on the outer side surface of the first sliding block, and the second pressing block is arranged on the outer side surface of the second sliding block.

Furthermore, the first inclined chute has a height difference in the height direction; the second inclined chute has a difference in distance in the horizontal direction.

Furthermore, a first through hole which is vertically communicated is formed in the middle of the guide seat; the two first inclined plane chutes are distributed on two sides of the first through hole in a splayed shape.

Furthermore, a second inclined guide rail matched with the first inclined sliding groove is formed at the bottom of the first sliding block and the bottom of the second sliding block.

Furthermore, the outer side surfaces of the first sliding block and the second sliding block are provided with installation step surfaces, and the first pressing and holding block and the second pressing and holding block are respectively installed on the corresponding installation step surfaces.

Furthermore, the whole pulling block is of an inverted trapezoidal structure with a large upper part and a small lower part; the middle part of the pulling block is hollow to form a vertical through groove, and a second through hole which penetrates through the front surface and the rear surface and penetrates through the through groove is formed in the pulling block.

Furthermore, a pull rod is arranged at the movable end of the pull-down oil cylinder, and the top of the pull rod extends into the through groove and is connected with the pull block through a second through hole penetrating through the second through hole and the pin shaft.

Furthermore, a dustproof pressing plate for covering the top of the through groove is further arranged on the pulling block.

Furthermore, the outer side surfaces of the first pressing and holding block and the second pressing and holding block are provided with raised insections for improving the surface roughness of the first pressing and holding block and the second pressing and holding block.

Compared with the prior art, the utility model relates to an engine bearing cap floats internal stay pull-down clamping mechanism's beneficial effect lies in: the bidirectional floating motion of the horizontal height and the vertical height can be completed through one driving piece, when the two pressing blocks are centered and separated, the products are internally supported, the surfaces of the workpieces can be completely contacted, the thickness change of the workpieces is avoided, and the floating pressing workpieces are uniformly stressed; the floating inner support pull-down clamping mechanism designed by the scheme ensures that the bearing cover can be firmly clamped, has a small and exquisite overall structure, does not occupy the effective surface of an equipment workbench, and can be used for placing a plurality of processed products on the surface, so that the equipment utilization rate is improved, and the processing cost is reduced; and the requirements on the size precision and the efficiency of the product can be effectively ensured.

[ description of the drawings ]

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

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic structural view of a guide seat in an embodiment of the present invention;

fig. 4 is a schematic structural view of a pull block in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first slider in an embodiment of the present invention;

the figures in the drawings represent:

100 engine bearing cap floating inner support pull-down clamping mechanism

1, a guide seat, 11 a first inclined plane chute and 12 a first through hole; 2, a pull block, 21 a first inclined plane guide rail, 22 a through groove and 23 a second through hole; 3, a first sliding block, a 31 second inclined plane sliding groove, a 32 second inclined plane guide rail and a 33 installation step surface; 4 a second slider; 5, a first pressing block, 51 raised insections; 6 a second pressure holding block; 7, pulling down the oil cylinder; 8, a pull rod; 9, a pin shaft; 10 dust-proof pressure plate.

[ detailed description ] embodiments

The first embodiment is as follows:

referring to fig. 1-5, the present embodiment is a floating inner support pull-down clamping mechanism 100 for an engine bearing cap, the sliding guide device comprises a guide seat 1, a pull block 2, a first sliding block 3, a second sliding block 4, a first pressing block 5, a second pressing block 6 and a pull-down oil cylinder 7, wherein the upper surface of the guide seat 1 is relatively provided with a pair of first inclined plane sliding grooves 11, the first sliding block 3 and the second sliding block 4 are horizontally and slidably arranged on the two first inclined plane sliding grooves 11 respectively, the opposite side surfaces of the first sliding block 3 and the second sliding block 4 are provided with second inclined plane sliding grooves 31 in an inverted V shape, the left side surface and the right side surface of the pull block 2 are provided with first inclined plane guide rails 21 matched with the second inclined plane sliding grooves 31, the movable end of the pull-down oil cylinder 7 is connected with the pull block 2 to drive the pull block 2 to move up and down, the first pressing block 5 is arranged on the outer side surface of the first sliding block 3, and the second pressing block 6 is arranged on the outer side surface of the second sliding block 4.

The first inclined surface chute 11 has a height difference in the height direction. The second inclined surface chute 31 has a difference in distance in the horizontal direction.

The middle part of the guide seat 1 is provided with a first through hole 12 which is vertically communicated. The two first inclined chutes 11 are distributed on two sides of the first through hole 12 in a splayed shape.

The bottom of the first sliding block 3 and the second sliding block 4 are formed with a second inclined guide rail 32 matched with the first inclined chute 11.

The outer side surfaces of the first sliding block 3 and the second sliding block 4 are provided with mounting step surfaces 33, and the first pressing block 5 and the second pressing block 6 are respectively mounted on the corresponding mounting step surfaces 33.

The lower surfaces of the first sliding block 3 and the second sliding block 4 and the surface of one side, which is attached to the pulling block 2, of the first sliding block 3 and the second sliding block 4 are both of inclined surface structures, so that the first sliding block 3 and the second sliding block 4 can move horizontally to be close to each other or to be separated from each other through the vertical movement of the pulling block 2, and the floating within a set height range is realized in the height direction while the horizontal movement is close to each other or is separated from each other.

The pull block 2 is of an inverted trapezoidal structure with a large upper part and a small lower part. A through groove 22 which is vertically communicated is formed in the middle of the pulling block 2 in a hollow mode, and a second through hole 23 which is communicated with the front surface and the rear surface and penetrates through the through groove 22 is formed in the pulling block 2. The movable end of the pull-down oil cylinder 7 is provided with a pull rod 8, and the top of the pull rod 8 extends into the through groove 22 and is connected with the pull block 7 through a second through hole 23 penetrating through the pin shaft 9.

The pull block 2 is also provided with a dustproof pressing plate 10 which covers the top of the through groove 22.

The outer side surfaces of the first pressure holding block 5 and the second pressure holding block 6 are provided with raised insections 51 for improving the surface roughness thereof.

When the device is used, the pull rod 8 is driven to descend by the pull-down oil cylinder 7, the pull block 2 moves downwards, the left and right first slide blocks 3 and second slide blocks 4 are driven to be pushed out outwards along the first inclined chute 11, and meanwhile, the first slide blocks 3 and the second slide blocks 4 move downwards to set heights which are determined according to the gradient height drop of the first inclined chute 11; the bearing cover is supported from the inner side of the bearing cover through a pressing block 5 on the outer side of the first sliding block 3 and a second pressing block 6 on the outer side of the second sliding block 4, and the bearing cover is fixedly clamped.

In the engine bearing cap floating inner support pull-down clamping mechanism 100 of the embodiment, a driving part can complete bidirectional floating motion of horizontal and vertical heights, when two pressing blocks are centered and separated from an inner support product, the two pressing blocks can completely contact the surface of a workpiece and are not influenced by the thickness change of the workpiece, and the floating pressing workpiece is uniformly stressed; the floating inner support pull-down clamping mechanism designed by the scheme ensures that the bearing cover can be firmly clamped, has a small and exquisite overall structure, does not occupy the effective surface of an equipment workbench, and can be used for placing a plurality of processed products on the surface, so that the equipment utilization rate is improved, and the processing cost is reduced; and the requirements on the size precision and the efficiency of the product can be effectively ensured.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides an engine bearing cap internal stay clamping mechanism that pulls down that floats which characterized in that: it includes the guide holder, draws piece, first slider, second slider, first pressure and holds piece, second pressure and hold piece and drop-down hydro-cylinder, the upper surface of guide holder is provided with a pair of first inclined plane spout relatively, first slider with second slider level slidable respectively sets up two on the first inclined plane spout, first slider with be provided with the second inclined plane spout that is the type of falling eight on the relative side surface of second slider, draw the left and right sides surface of piece be provided with the first inclined plane guide rail of second inclined plane spout complex, drop-down hydro-cylinder's expansion end with draw the piece to be connected and drive draw the piece up-and-down motion, first pressure is held the piece and is set up the outside surface of first slider, the second is pressed and is held the piece and is gone up to set up the outside surface of second slider.

2. The engine bearing cap floating inner support pull-down clamp mechanism of claim 1, wherein: the first inclined plane sliding groove has a height difference in the height direction; the second inclined chute has a difference in distance in the horizontal direction.

3. The engine bearing cap floating inner support pull-down clamp mechanism of claim 1, wherein: the middle part of the guide seat is provided with a first through hole which is vertically communicated; the two first inclined plane chutes are distributed on two sides of the first through hole in a splayed shape.

4. The engine bearing cap floating inner support pull-down clamp mechanism of claim 1, wherein: and a second inclined guide rail matched with the first inclined sliding groove is formed at the bottom of the first sliding block and the second sliding block.

5. The engine bearing cap floating inner support pull-down clamp mechanism of claim 1, wherein: the outer side surfaces of the first sliding block and the second sliding block are provided with installation step surfaces, and the first pressing and holding block and the second pressing and holding block are respectively installed on the corresponding installation step surfaces.

6. The engine bearing cap floating inner support pull-down clamp mechanism of claim 1, wherein: the whole pulling block is of an inverted trapezoidal structure with a large upper part and a small lower part; the middle part of the pulling block is hollow to form a vertical through groove, and a second through hole which penetrates through the front surface and the rear surface and penetrates through the through groove is formed in the pulling block.

7. The engine bearing cap floating inner support pull-down clamp mechanism of claim 6, wherein: the movable end of the pull-down oil cylinder is provided with a pull rod, and the top of the pull rod extends into the through groove and is connected with the pull block through the second through hole penetrating through the pin shaft.

8. The engine bearing cap floating inner support pull-down clamp mechanism of claim 7, wherein: and the pull block is also provided with a dustproof pressing plate for covering the top of the through groove.

9. The engine bearing cap floating inner support pull-down clamp mechanism of claim 1, wherein: and raised insections for improving the surface roughness of the first pressing block and the second pressing block are arranged on the outer side surfaces of the first pressing block and the second pressing block.