CN218875163U

CN218875163U - Quick clamping and positioning device for machining multi-cylinder engine body

Info

Publication number: CN218875163U
Application number: CN202222933097.4U
Authority: CN
Inventors: 彭方庆; 赵伟强; 邓岩; 蒋光聚; 李成; 孙钰
Original assignee: Himile Mechanical Science and Technology Shandong Co Ltd
Current assignee: Himile Mechanical Science and Technology Shandong Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-04-18
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a quick clamping and positioning device for multi-cylinder engine body processing, belonging to the technical field of engine body processing, comprising a base, wherein the upper surface and the periphery of the base are provided with a positioning and aligning mechanism which is used for aligning the engine body along the vertical direction and positioning the engine body in the front, back, left and right directions; a tensioning mechanism is arranged above the base and used for clamping the machine body after alignment and positioning; the positioning and aligning mechanism comprises a positioning support hydraulic jack, an auxiliary support hydraulic jack, a side compression jack, a side positioning plate and an aligning sensor, the positioning support hydraulic jack and the auxiliary support hydraulic jack are installed in the upper horizontal plane of the base, the side compression jack and the side positioning plate are oppositely arranged on the periphery of the base, the aligning sensor is installed on the periphery of the base, and the aligning sensor and the signal transmitter installed on the machine body contour line are arranged in a one-to-one correspondence manner. The utility model discloses can make the work piece realize automatic positioning alignment and semi-automatization and compress tightly, greatly improve production efficiency.

Description

Quick clamping and positioning device for machining multi-cylinder engine body

Technical Field

The utility model relates to a quick clamping positioner, specific theory relates to a quick clamping positioner of multi-cylinder engine organism processing belongs to engine organism processing technical field.

Background

The engine body is a framework which forms the engine, is a mounting base of each mechanism and each system of the engine, and is internally and externally provided with all main parts and accessories of the engine to bear various loads.

In the machining production of a multi-cylinder engine body, a special boring and milling clamping and positioning tool is required to be used, and the tool is used for clamping and positioning the engine body parts to ensure the smooth machining.

The conventional multi-cylinder machining tool needs to be compressed by a plurality of mechanical screw jacks, screw rods and pressing plates in a combined mode, the alignment and positioning processes are inconvenient, repeated adjustment is needed, manual operation is complex, labor intensity is high, and production efficiency is low.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to not enough in the background art, provide a quick clamping positioner of multi-cylinder engine organism processing, make the work piece realize automatic positioning alignment and semi-automatization and compress tightly, reduce workman's work load, reduce intensity of labour, greatly improve production efficiency.

For solving the technical problem, the utility model discloses a following technical scheme:

the quick clamping and positioning device for machining the multi-cylinder engine body comprises a base, wherein a positioning and aligning mechanism is arranged on the upper surface and the periphery of the base and is used for aligning the engine body in the vertical direction and positioning the engine body in the front, back, left and right directions;

a tensioning mechanism is arranged above the base and used for clamping the machine body after alignment and positioning.

Preferably, the positioning and aligning mechanism comprises a positioning support hydraulic ram, an auxiliary support hydraulic ram, a side pressing ram, a side positioning plate and an aligning sensor.

Preferably, the positioning support hydraulic jack and the auxiliary support hydraulic jack are arranged on the upper horizontal plane of the base, and the side pressing jack and the side positioning plate are oppositely arranged on the periphery of the base.

Preferably, the alignment sensor is arranged on the periphery of the base, and the alignment sensor and the signal transmitter arranged on the machine body contour line are arranged in a one-to-one correspondence mode.

Preferably, straining device includes hydraulic pressure drag hook seat, and hydraulic pressure drag hook seat is installed on the base, and hydraulic pressure drag hook seat is connected bottom the lead screw through the quick change drag hook, and the lead screw top is equipped with clamp plate and nut.

Preferably, the quick-change draw hook comprises a lower draw hook and an upper draw hook, the lower draw hook is installed on the hydraulic draw hook seat, the upper draw hook is installed on the screw rod, and a matching part is arranged between the lower draw hook and the upper draw hook.

Preferably, the pressing plate is a profiling pressing plate, and the bottom of the pressing plate is profiled on the contact surface of the machine body.

Preferably, a plurality of connecting flange grooves with the same size are formed in the upper surface of the base, and a through hole is formed in the center of each connecting flange groove.

Preferably, reinforcing ribs are arranged on two sides of the base along the length direction, and U-shaped long grooves are arranged on two sides of the base along the length direction.

Preferably, one side of the base along the length direction and one side of the base along the width direction are fixedly connected with a side edge compression top fixing seat.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

1. after the workpiece survives, automatic positioning and alignment are realized through the visual recognition system and the automatic adjusting system matched with the visual recognition system, the tensioning mechanism and the auxiliary support hydraulic ram are used to realize semi-automation of compression of the positioning device, the integral automation degree of the positioning device is high, the positioning device is suitable for batch processing, labor force can be liberated to a certain extent, and the production efficiency and the quality are improved.

2. The clamping and positioning processing of cylinder bodies of various specifications can be realized, the application range is wide, and the universality is high.

3. The accessories are of an assembly structure, are easy to disassemble and replace after long-term use, are convenient to maintain, are easy to lubricate and maintain and have long service life.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

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

FIG. 2 is a schematic view of the base;

FIG. 3 is a schematic view of the base and the components mounted on the base;

FIG. 4 is a schematic structural view of the tensioning mechanism;

fig. 5 is a schematic view of the machine body in a clamping and positioning state.

In the figure, 1-a base, 11-a connecting flange groove, 12-a reinforcing rib, 13-a U-shaped long groove and 14-a side pressing top fixed seat; 2-tensioning mechanism, 21-hydraulic draw hook seat, 22-quick change draw hook, 221-lower draw hook, 222-upper draw hook, 23-lead screw, 24-pressing plate and 25-nut; 3-a positioning and aligning mechanism, 31-a positioning and supporting hydraulic jack, 32-an auxiliary supporting hydraulic jack, 33-a side pressing jack, 34-a side positioning plate and 35-an aligning sensor; 4-organism, 41-contour position point.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-5, the utility model provides a quick clamping positioner of multi-cylinder engine organism processing, including base 1, base 1 upper surface reaches and installs location aligning mechanism 3 on every side, and location aligning mechanism 3 is used for the alignment of organism 4 along vertical direction and all around the location of left and right directions.

Tensioning mechanism 2 is installed to base 1 top, and tensioning mechanism 2 is used for the tight of clamp after 4 alignment location of organism, guarantees that organism 4 does not take place relative movement in the course of working.

The base 1 is a main body supporting part of the whole positioning device and provides installation positions and working spaces for other mechanisms.

A plurality of connecting flange grooves 11 with the same size are formed in the upper surface of the base 1, and through holes are formed in the centers of the connecting flange grooves 11; the connecting flange groove 11 can be provided with a hydraulic drag hook seat 21, a positioning support hydraulic jack 31 and an auxiliary support hydraulic jack 32.

The mounting sizes of the connecting flange grooves 11 are the same, accessories mounted at various positions can be adjusted according to different models of the machine body 4 during production and use, the interchangeability is good, the arrangement is flexible, and the through holes are used for arranging devices such as hydraulic oil cylinders.

The base 1 is equipped with strengthening rib 12 along length direction's both sides, makes overall structure firm stable through strengthening rib 12.

U-shaped long grooves 13 are formed in two side edges of the base 1 in the length direction, and the U-shaped long grooves 13 can be used for connecting and fixing the integral positioning device and a machine tool workbench.

Base 1 has the side to compress tightly a fixing base 14 along length direction's one side and along width direction's one side rigid coupling, and the side compresses tightly a fixing base 14 and is used for installing side compression top 33.

The positioning and aligning mechanism 3 comprises a positioning support hydraulic ram 31, an auxiliary support hydraulic ram 32, a side pressing ram 33, a side positioning plate 34 and an aligning sensor 35.

The positioning support hydraulic jack 31 and the auxiliary support hydraulic jack 32 are arranged in the upper horizontal plane of the base 1, and the side pressing jack 33 and the side positioning plate 34 are oppositely arranged on the periphery of the base 1; a side pressing top 33 is installed at the left/rear of the base 1, and a side positioning plate 34 is installed at the right/front of the base 1.

The alignment sensor 35 is installed on the periphery of the base 1, and the alignment sensor 35 is arranged in one-to-one correspondence with the signal emitter on the contour line of the machine body 4.

The machine body 4 is provided with a contour position point 41, a signal emitter is arranged on the contour position point 41, and an alignment sensor 35 on the base 1 receives and identifies a signal of the signal emitter on the side surface of the machine body 4.

Tensioning mechanism 2 includes hydraulic pressure hook seat 21, and hydraulic pressure hook seat 21 installs on the flange groove 11 of base 1, and hydraulic pressure hook seat 21 is connected with lead screw 23 bottom through quick change drag hook 22, and lead screw 23 top is equipped with clamp plate 24 and nut 25.

The quick-change draw hook 22 can be matched with lead screws 23 with different lengths to adapt to machine bodies 4 with different height specifications.

The quick-change draw hook 22 comprises a lower draw hook 221 and an upper draw hook 222, wherein the lower draw hook 221 is installed on the hydraulic draw hook base 21, the upper draw hook 222 is installed on the lead screw 23, and a matching part is arranged between the lower draw hook 221 and the upper draw hook 222.

The lower hook 221 has a downward bent protruding end, and the upper hook 222 has an upward bent protruding end, and the two protruding ends are clamped.

Alternatively, the lower hook 221 has a vertically oriented hole, and the upper hook 222 has an upwardly oriented hook that can be inserted into the hole of the lower hook 221. Alternatively, the lower hook 221 may have a horizontal hole, and the upper hook 222 may have a horizontally extending end that can penetrate into the hole of the lower hook 221. The opposite arrangement can also be implemented.

The lower hook 221 and the upper hook 222 are not limited to the above structure, and other structures capable of achieving the quick-change matching function are possible.

The nut 25, the pressure plate 24, the lead screw 23 and the upper draw hook 222 are connected together to form a whole. When the hydraulic draw hook seat 21 is decompressed and lifted, the lower draw hook 221 is driven to ascend, the integrated part can be directly hung from one side, the quick-change draw hook 22 is tightly pulled down after the hydraulic draw hook seat 21 is pressurized after the quick-change draw hook 22 is aligned, and then the body 4 and the positioning device are tightly pressed by the tightening screw 23 and the pressing plate 24. When the hydraulic hook base 21 is released, the lower hook 221 is lifted, the lower hook 221 and the upper hook 222 are not contacted any more, and at this time, the integrated piece can be taken down from the side of the machine body 4.

The clamping efficiency of the tensioning mechanism 2 is high, semi-automation can be realized, and the labor intensity of an operator is reduced.

The pressing plate 24 is preferably a profiling pressing plate, and is contacted and pressed with the processing surface of the machine body 4, and the bottom of the pressing plate 24 is profiled on the contact surface of the machine body 4. The main body material of the profiling pressing plate is steel, the profiling part is made of a material with hardness lower than that of the machine body 4, preferably a copper-plated material, so that the situation that the contact surface of the machine body 4 is damaged by overlarge pressing force of the pressing plate 24 can be avoided, and the profiling part can also be profiled by using a nylon plate and the like, and also can play a role in protecting the machined surface.

The utility model discloses a concrete theory of operation:

firstly, the base 1 is arranged on a machine tool workbench and is connected with the workbench. Before the machine body 4 is live, all the auxiliary supporting hydraulic rams 32 are located at the lowest position, the positioning supporting hydraulic rams 31 are preferably arranged at three positions, and the positioning supporting hydraulic rams 31 are higher than the auxiliary supporting hydraulic rams 32. After the machine body 4 falls and is alive, the machine body is placed on the positioning support hydraulic jack 31, the positioning support hydraulic jack 31 supports the machine body 4, and the auxiliary support hydraulic jack 32 is not in contact with the machine body 4 due to the low height.

A signal transmitter is arranged on a contour position point 41 of the machine body 4, an alignment sensor 35 on the base 1 receives and identifies a signal of the signal transmitter, the alignment sensor 35 transmits the received signal to a PLC control system, the control system compares heights of contours at different positions according to the received signal of the alignment sensor 35, then a positioning support hydraulic ram 31 is controlled according to a feedback signal of a comparison condition, the positioning support hydraulic ram 31 receives the signal, pressurizes and supports a workpiece and lifts the height of the machine body 4, the alignment sensor 35 can continuously identify the contour position point 41 in the lifting process until the contour position point 41 reaches a height difference of 0.5mm, the alignment sensor 35 transmits a corresponding signal to the control system to control the positioning support hydraulic ram 31 to stop lifting, the height difference of 0.5mm can meet the processing requirement, and automatic leveling is realized.

After the machine body 4 is leveled, the side pressing top 33 pressurizes and presses the side of the machine body 4, and the machine body 4 is enabled to be close to the side positioning plate 34, so that the front and back and left and right directions of the machine body 4 are positioned. After all positioning is finished, the machine body 4 is tightly pressed by the tensioning mechanism 2, the bottom surface of the machine body 4 is supported by the auxiliary support hydraulic jack 32 in a pressurizing mode, the auxiliary support hydraulic jack 32 stops rising after bearing corresponding pressure, and stability of the machine body 4 in the machining process can be enhanced through multi-point auxiliary support. The auxiliary support hydraulic rams 32 bear the total weight of the machine body 4 of 3/5-4/5, and are evenly distributed on each auxiliary support hydraulic ram 32. After the above work is completed, the machine body 4 can be processed.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. Multi-cylinder engine organism processing quick clamping positioner, its characterized in that: the machine body (4) is characterized by comprising a base (1), wherein a positioning and aligning mechanism (3) is arranged on the upper surface and the periphery of the base (1), and the positioning and aligning mechanism (3) is used for aligning the machine body (4) along the vertical direction and positioning the machine body in the front, back, left and right directions;

tensioning mechanism (2) is installed to base (1) top, and tensioning mechanism (2) are used for the clamp tight after organism (4) alignment location.

2. The multi-cylinder engine body machining quick clamping and positioning device of claim 1, characterized in that: the positioning and aligning mechanism (3) comprises a positioning support hydraulic ram (31), an auxiliary support hydraulic ram (32), a side pressing ram (33), a side positioning plate (34) and an aligning sensor (35).

3. The multi-cylinder engine body machining quick clamping and positioning device of claim 2, characterized in that: the positioning support hydraulic jack (31) and the auxiliary support hydraulic jack (32) are arranged in the upper horizontal plane of the base (1), and the side pressing jack (33) and the side positioning plate (34) are oppositely arranged on the peripheral side of the base (1).

4. The multi-cylinder engine body machining quick clamping and positioning device of claim 2, characterized in that: the alignment sensors (35) are arranged on the peripheral side of the base (1), and the alignment sensors (35) are arranged in one-to-one correspondence with the signal transmitters arranged on the contour line of the machine body (4).

5. The multi-cylinder engine body machining quick clamping and positioning device of claim 1, characterized in that: tensioning mechanism (2) include hydraulic pressure drag hook seat (21), and hydraulic pressure drag hook seat (21) are installed on base (1), and hydraulic pressure drag hook seat (21) are connected bottom lead screw (23) through quick change drag hook (22), and lead screw (23) top is equipped with clamp plate (24) and nut (25).

6. The multi-cylinder engine body machining quick clamping and positioning device of claim 5, characterized in that: the quick-change draw hook (22) consists of a lower draw hook (221) and an upper draw hook (222), the lower draw hook (221) is installed on the hydraulic draw hook seat (21), the upper draw hook (222) is installed on the screw rod (23), and a matching part is arranged between the lower draw hook (221) and the upper draw hook (222).

7. The multi-cylinder engine body machining quick clamping and positioning device of claim 5, characterized in that: the pressing plate (24) is a profiling pressing plate, and the bottom of the pressing plate (24) is a contact surface of the profiling machine body (4).

8. The multi-cylinder engine body machining quick clamping and positioning device of claim 1, characterized in that: the base is characterized in that a plurality of connecting flange grooves (11) with the same size are formed in the upper surface of the base (1), and a through hole is formed in the center of each connecting flange groove (11).

9. The multi-cylinder engine body machining quick clamping and positioning device of claim 1, characterized in that: the base (1) is provided with reinforcing ribs (12) along two sides of the length direction, and U-shaped long grooves (13) are formed in two sides of the base (1) along the length direction.

10. The multi-cylinder engine body machining quick clamping and positioning device of claim 1, characterized in that: the base (1) is fixedly connected with a side edge pressing top fixing seat (14) along one side of the length direction and one side of the width direction.