CN216178568U

CN216178568U - Engine connecting rod boring processing location frock

Info

Publication number: CN216178568U
Application number: CN202122471941.1U
Authority: CN
Inventors: 梁东红; 高加祝; 孙凯悦
Original assignee: Shandong Fengji Machinery Co ltd
Current assignee: Shandong Fengji Machinery Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-05
Anticipated expiration: 2031-10-14

Abstract

The utility model belongs to the technical field of boring processing, in particular to a boring processing and positioning tool for an engine connecting rod, which provides a scheme that the boring processing and positioning tool comprises a fixed frame, supporting rods, a triangular plate, a pressing block, a guide chute and an extrusion plate, wherein the outer wall of the fixed frame is fixedly connected with a pneumatic push rod for driving two groups of the supporting rods to synchronously and vertically lift along the outer wall of the fixed frame, the top ends of the supporting rods are fixedly connected with a lifting pore plate for driving the triangular plate to vertically rotate, and the connecting part of the triangular plate and the fixed frame is rotatably connected with the supporting rod. The extrusion operation of the two sides of the connecting rod of the engine is realized.

Description

Engine connecting rod boring processing location frock

Technical Field

The utility model relates to the technical field of boring processing, in particular to a positioning tool for boring processing of an engine connecting rod.

Background

The engine is widely applied to various industries, an engine connecting rod is one of core parts of the engine, and consists of a small head, a rod body and a large head, the engine connecting rod is used for transmitting force borne by a piston to the engine and converting reciprocating motion of the piston into rotary motion of the engine, so that the engine connecting rod does complex planar motion when the engine works, the engine connecting rod mainly bears alternating loads such as compression, stretching and bending, the engine connecting rod is required to have enough fatigue strength and structural rigidity, and in order to ensure the use precision of the engine connecting rod, the engine connecting rod needs to be subjected to accurate boring operation.

However, the existing engine connecting rod boring processing and positioning tool has the problems that the boring of the engine connecting rod cannot be centered and clamped and the rod body is easy to deviate when in use, so that errors occur in the boring of the engine connecting rod, the engine connecting rod cannot be normally used, and the rod body deviates when the boring of the engine connecting rod, so that the boring of the engine connecting rod is easy to make mistakes, and the requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a boring positioning tool for an engine connecting rod, which solves the problems that the boring positioning tool cannot be centered and clamped and a rod body is easy to deviate in the prior art.

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

an engine connecting rod boring processing and positioning tool comprises a fixed frame, a supporting rod, a triangular plate, a pressing block, a guide chute and an extrusion plate, the outer wall of the fixed frame is fixedly connected with a pneumatic push rod which is used for driving the two groups of support rods to synchronously and vertically lift along the outer wall of the fixed frame, the top end of the supporting rod is fixedly connected with a lifting pore plate for driving the triangular plate to vertically rotate, the connecting part of the triangular plate and the fixed frame is screwed with a supporting strut, one end of the triangular plate far away from the lifting pore plate is screwed with a pressing bent rod screwed with the outer wall of the fixed frame, so that the triangular plate rotates and drives the compressing block to vertically rotate through the compressing bent rod, the outer wall of the triangular plate is fixedly connected with a guide post, so that the guide post moves to drive the extrusion plate to slide along the outer wall of the fixed frame through the guide sliding groove, and the side wall of the extrusion plate is fixedly connected with the extrusion block.

Preferably, the top end of the fixed frame is fixedly connected with a centering mechanism at the side surface of the pneumatic push rod, the top end of the centering mechanism is fixedly connected with a centering motor, the output end of the centering motor is provided with a threaded rod, the outer wall of the threaded rod is in threaded connection with a threaded slider, the top end of the threaded slider is movably connected with a rotary orifice plate, the connecting part of the rotary orifice plate and the threaded slider is provided with a rotary chute, one end of the rotary orifice plate, far away from the rotary chute, is fixedly connected with a rotary cylinder barrel, a support column penetrates through the inside of the rotary cylinder barrel, the top end of the support column is in screwed connection with a centering disc fixedly connected with the outer wall of the fixed frame, the outer wall of the rotary cylinder barrel is in screwed connection with a rotary support rod above the rotary orifice plate, one end of the rotary support rod, far away from the rotary cylinder barrel, is in screwed connection with the centering slider in a sliding connection with the centering disc, and the connecting part of the centering slider is provided with a limiting chute, the top end of the centering slide block is fixedly connected with a centering clamping block.

Preferably, the support rods are provided with two groups, the position relations of the two groups of support rods are symmetrical about the fixed frame, and the triangular plate forms a rotating structure through the lifting pore plate and the support rods.

Preferably, the compression bent rod forms a rotating structure through a triangular plate and a fixed frame, and the extrusion plate forms a sliding structure through a guide post, a guide sliding groove and the fixed frame.

Preferably, the centering mechanisms are provided in two groups, and the diameters of the centering disks coincide with the center of the fixed frame.

Preferably, the rotary pore plate forms a rotary structure through the threaded sliding block, the rotary sliding groove and the support column, and the rotation angle of the rotary pore plate is 120 degrees.

Preferably, the rotating support rods are provided with three groups, the position relations of the three groups of rotating support rods are distributed in an equiangular circumference mode about the circle center of the centering disc, and the centering sliding block forms a sliding structure through the rotating cylinder barrel, the rotating support rods and the limiting sliding groove.

In the present invention,

1. through the arrangement of the triangular plate, in the fixed frame, the triangular plate rotates to drive the compression block fixedly connected with the compression bent rod to rotate, so that compression operation on the engine connecting rod is realized, meanwhile, the triangular plate rotates to drive the guide post to move, the guide post moves to drive the extrusion block fixedly connected with the extrusion plate to slide along the outer wall of the fixed frame through the guide sliding groove, and extrusion operation on two sides of the engine connecting rod is realized;

2. through setting up centering slider, in centering mechanism, the screw thread slider slides and drives rotatory orifice plate through rotatory spout and rotate, and rotatory orifice plate rotates and drives rotatory cylinder and use the axis of pillar as the centre of a circle and rotate, and rotatory cylinder rotates and drives three rotatory branch synchronous motion of group, and rotatory branch motion drives centering slider and slides along spacing spout, and through the synchronous centripetal slip of three centering sliders of group, the centering operation to the both ends of engine connecting rod is realized.

Drawings

Fig. 1 is an overall first view structural schematic diagram of an engine connecting rod boring machining positioning tool provided by the utility model;

fig. 2 is a schematic structural view of an overall second view angle of the boring positioning tool for the engine connecting rod provided by the utility model;

FIG. 3 is a schematic view of a connecting structure of a fixed frame of the boring positioning tool for the connecting rod of the engine provided by the utility model;

fig. 4 is a schematic view of a connection structure of a centering machine of the boring processing and positioning tool for the connecting rod of the engine.

In the figure: 1. a fixed frame; 2. a pneumatic push rod; 3. a support bar; 4. lifting the pore plate; 5. A set square; 6. a support strut; 7. compressing the bent rod; 8. a compression block; 9. a guide post; 10. A pressing plate; 11. a guide chute; 12. extruding the block; 13. a centering mechanism; 14. a centering motor; 15. a threaded rod; 16. a threaded slider; 17. rotating the orifice plate; 18. rotating the chute; 19. Rotating the cylinder barrel; 20. a pillar; 21. a centering plate; 22. rotating the support rod; 23. centering and sliding; 24. A limiting chute; 25. and (5) centering the clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an engine connecting rod boring processing and positioning tool comprises a fixed frame 1, supporting rods 3, a triangular plate 5, a pressing block 8, a guide chute 11 and an extrusion plate 10, wherein the outer wall of the fixed frame 1 is fixedly connected with a pneumatic push rod 2 for driving two groups of supporting rods 3 to synchronously and vertically lift along the outer wall of the fixed frame 1, the top end of each supporting rod 3 is fixedly connected with a lifting pore plate 4 for driving the triangular plate 5 to vertically rotate, a supporting strut 6 is screwed at the connecting part of the triangular plate 5 and the fixed frame 1, one end of the triangular plate 5, far away from the lifting pore plate 4, is screwed with a pressing bent rod 7 screwed with the outer wall of the fixed frame 1, so that the triangular plate 5 rotates to drive the pressing block 8 to vertically rotate through the pressing bent rod 7, the outer wall of the triangular plate 5 is fixedly connected with a guide column 9, so that the guide column 9 moves to drive the extrusion plate 10 to slide along the outer wall of the fixed frame 1 through the guide chute 11, the side wall of the extrusion plate 10 is fixedly connected with an extrusion block 12.

Further, a centering mechanism 13 is fixedly connected to the top end of the fixed frame 1, which is located on the side surface of the pneumatic push rod 2, a centering motor 14 is fixedly connected to the top end of the centering mechanism 13, a threaded rod 15 is installed at the output end of the centering motor 14, a threaded slider 16 is connected to the outer wall of the threaded rod 15 in a threaded manner, a rotary orifice plate 17 is movably connected to the top end of the threaded slider 16, a rotary chute 18 is formed in a connecting portion of the rotary orifice plate 17 and the threaded slider 16, a rotary cylinder 19 is fixedly connected to one end of the rotary orifice plate 17, which is far away from the rotary chute 18, a supporting column 20 penetrates through the rotary cylinder 19, a centering disc 21 is fixedly connected to the outer wall of the fixed frame 1, a rotary supporting rod 22 is screwed to the outer wall of the rotary cylinder 19, a centering slider 23 slidably connected to the centering disc 21 is screwed to one end of the rotary supporting rod 22, which is far away from the rotary cylinder 19, the connecting part of the centering slide block 23 and the centering disc 21 is provided with a limiting sliding groove 24, the top end of the centering slide block 23 is fixedly connected with a centering clamping block 25, through the arrangement of the centering mechanism 13, the sliding of the threaded slide block 16 is facilitated to drive the rotation of the rotary orifice plate 17 through the rotary sliding groove 18, the rotation of the rotary orifice plate 17 drives the rotary cylinder 19 to rotate by taking the central axis of the supporting column 20 as the center of a circle, the rotation of the rotary cylinder 19 drives the three groups of rotary supporting rods 22 to move synchronously, the three groups of rotary supporting rods 22 move to drive the three groups of centering slide blocks 23 to slide synchronously along the three groups of limiting sliding grooves 24, the limiting sliding grooves 24 slide to drive the centering clamping block 25 to slide along the centering disc 21, and the centering operation on the two ends of the engine connecting rod is realized through the synchronous centripetal sliding of the three groups of centering clamping blocks 25.

Further, bracing piece 3 is provided with two sets ofly, and the position relation of two sets of bracing pieces 3 is symmetrical about fixed frame 1, and set-square 5 constitutes revolution mechanic through going up and down orifice plate 4 and between supporting branch 6, through setting up two sets of bracing pieces 3, be favorable to pneumatic push rod 2 work to drive two sets of lifting orifice plates 4 through two sets of bracing pieces 3 and go up and down in step, lifting orifice plate 4 moves and drives set-square 5 and uses the top of supporting branch 6 as the fulcrum rotation, the realization is to the control operation of two sets of set-square 5 relative rotations.

Further, it constitutes revolution mechanic to compress tightly curved bar 7 between through set-square 5 and fixed frame 1, and stripper plate 10 constitutes sliding construction through between guide post 9 and direction spout 11 and the fixed frame 1, be favorable to set-square 5 to rotate to drive and compress tightly 7 fixed connection's compact heap 8 rotations, and simultaneously, set-square 5 rotates and drives the motion of guide post 9, the motion of guide post 9 drives through direction spout 11 and slides with stripper plate 10 fixed connection's compact heap 12, the realization is to the control operation of compact heap 8 and the motion of stripper heap 12.

Furthermore, two groups of centering mechanisms 13 are arranged, the diameter of the centering disc 21 is coincided with the center of the fixed frame 1, and the two groups of centering mechanisms 13 are arranged, so that centering clamping operation on two ends of the engine connecting rod is facilitated.

Furthermore, the rotary pore plate 17 forms a rotary structure through the threaded sliding block 16, the rotary sliding groove 18 and the support column 20, the rotating angle of the rotary pore plate 17 is 120 degrees, the threaded sliding block 16 can slide conveniently, the rotary pore plate 17 is driven to rotate through the rotary sliding groove 18, the rotary pore plate 17 rotates to drive the rotary cylinder 19 to rotate by taking the central axis of the support column 20 as the center of a circle, and the rotary cylinder 19 is controlled to rotate.

Further, the rotating support rods 22 are provided with three groups, the position relation of the three groups of rotating support rods 22 is distributed in an equal-angle circumferential manner about the circle center of the centering disc 21, the centering sliding blocks 23 form a sliding structure through the rotating cylinder 19 and the rotating support rods 22 and the limiting sliding grooves 24, the three groups of rotating support rods 22 are arranged, the rotating cylinder 19 is favorable for rotating and driving the three groups of rotating support rods 22 to synchronously move, the three groups of rotating support rods 22 drive the three groups of centering sliding blocks 23 to synchronously slide along the three groups of limiting sliding grooves 24, and the control operation of the movement of the three groups of centering sliding blocks 23 is realized.

The working principle is as follows: when the centering mechanism 13 is used, the centering motor 14 works to drive the threaded slider 16 to slide along the outer wall of the fixed frame 1 through the threaded rod 15, the threaded slider 16 slides to drive the rotary orifice plate 17 to rotate through the rotary sliding groove 18, the rotary orifice plate 17 rotates to drive the rotary cylinder 19 to rotate by taking the central axis of the strut 20 as the center of a circle, the rotary cylinder 19 rotates to drive the three groups of rotary supporting rods 22 to synchronously move, the three groups of rotary supporting rods 22 move to drive the three groups of centering sliders 23 to synchronously slide along the three groups of limiting sliding grooves 24, the limiting sliding grooves 24 slide to drive the centering clamping blocks 25 to slide along the centering disc 21, and the centering operation of the two ends of the engine connecting rod is realized through the synchronous centripetal sliding of the three groups of clamping blocks 25.

Finally, the engine connecting rod is fixed, in the fixed frame 1, the pneumatic push rod 2 works to drive two groups of lifting pore plates 4 to lift synchronously through two groups of supporting rods 3, the lifting pore plates 4 move to drive the triangular plate 5 to rotate by taking the top end of the supporting rod 6 as a fulcrum, the triangular plate 5 rotates to drive and compress a compressing block 8 fixedly connected with a bent rod 7 to rotate, the compressing operation on the engine connecting rod is realized, meanwhile, the triangular plate 5 rotates to drive a guide post 9 to move, the guide post 9 moves to drive an extruding block 12 fixedly connected with an extruding plate 10 to slide along the outer wall of the fixed frame 1 through a guide sliding groove 11, and the extruding operation on two sides of the engine connecting rod is realized.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an engine connecting rod bore hole processing location frock, includes fixed frame (1), bracing piece (3), set-square (5), compact heap (8), direction spout (11) and stripper plate (10), its characterized in that: the outer wall fixedly connected with of fixed frame (1) is used for driving two sets of pneumatic push rod (2) that bracing piece (3) goes up and down along fixed frame (1) outer wall synchronous vertical lift, the top fixedly connected with of bracing piece (3) is used for driving lift orifice plate (4) of set square (5) vertical rotation, the position of being connected of set square (5) and fixed frame (1) has connect soon and has supported branch (6), the one end that lift orifice plate (4) was kept away from to set square (5) has connect soon with fixed frame (1) outer wall soon compress tightly knee (7), so that set square (5) rotate drive through compressing tightly knee (7) compressing block (8) vertical rotation, the outer wall fixedly connected with guide post (9) of set square (5), so that guide post (9) move through guide chute (11) drives stripper plate (10) slides along the outer wall of fixed frame (1), the side wall of the extrusion plate (10) is fixedly connected with an extrusion block (12).

2. The engine connecting rod boring machining and positioning tool according to claim 1, characterized in that: the top end of the fixed frame (1) is positioned on the side face of the pneumatic push rod (2) and is fixedly connected with a centering mechanism (13), the top end of the centering mechanism (13) is fixedly connected with a centering motor (14), the output end of the centering motor (14) is provided with a threaded rod (15), the outer wall of the threaded rod (15) is in threaded connection with a threaded slider (16), the top end of the threaded slider (16) is movably connected with a rotary pore plate (17), a rotary sliding chute (18) is formed in the connecting part of the rotary pore plate (17) and the threaded slider (16), one end, far away from the rotary sliding chute (18), of the rotary pore plate (17) is fixedly connected with a rotary cylinder barrel (19), a support column (20) penetrates through the inside of the rotary cylinder barrel (19), the top end of the support column (20) is in screwed connection with a centering disc (21) fixedly connected with the outer wall of the fixed frame (1), the outer wall of the rotary cylinder barrel (19) is positioned above the rotary pore plate (17) and is screwed with a rotary support rod (22), and one end of the rotating support rod (22) far away from the rotating cylinder barrel (19) is rotatably connected with a centering slide block (23) in sliding connection with the centering disc (21), a limiting slide groove (24) is formed in the connecting part of the centering slide block (23) and the centering disc (21), and a centering clamping block (25) is fixedly connected to the top end of the centering slide block (23).

3. The engine connecting rod boring machining and positioning tool according to claim 1, characterized in that: the support rods (3) are arranged in two groups, the position relations of the two groups of support rods (3) are symmetrical about the fixed frame (1), and the triangular plate (5) forms a rotating structure through the lifting hole plate (4) and the support supporting rods (6).

4. The engine connecting rod boring machining and positioning tool according to claim 1, characterized in that: the compression bent rod (7) forms a rotating structure with the fixed frame (1) through the triangular plate (5), and the extrusion plate (10) forms a sliding structure with the fixed frame (1) through the guide post (9) and the guide sliding groove (11).

5. The engine connecting rod boring machining and positioning tool according to claim 2, characterized in that: the two groups of centering mechanisms (13) are arranged, and the diameters of the centering disks (21) are coincided with the center of the fixed frame (1).

6. The engine connecting rod boring machining and positioning tool according to claim 2, characterized in that: the rotary pore plate (17) forms a rotary structure through the threaded sliding block (16), the rotary sliding groove (18) and the support column (20), and the rotating angle of the rotary pore plate (17) is 120 degrees.

7. The engine connecting rod boring machining and positioning tool according to claim 2, characterized in that: the rotary supporting rods (22) are provided with three groups, the position relations of the three groups of rotary supporting rods (22) are distributed in an equiangular circle around the circle center of the centering disc (21), and the centering sliding blocks (23) form a sliding structure through the rotary cylinder barrel (19), the rotary supporting rods (22) and the limiting sliding grooves (24).