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

Abstract

The utility model discloses a fast clamping and positioning device for multi-cylinder engine body processing, which belongs to the technical field of engine body processing, and comprises a base. Direction alignment and positioning in the front, rear, left, and right directions; a tensioning mechanism is installed above the base, and the tensioning mechanism is used for clamping after the body is aligned and positioned; the positioning and alignment mechanism includes a positioning support hydraulic top, an auxiliary support hydraulic top, and a side The compression top, the side positioning plate and the alignment sensor, the positioning support hydraulic top and the auxiliary support hydraulic top are installed in the horizontal plane of the base, the side compression top and the side positioning plate are oppositely arranged on the periphery of the base, and the alignment sensor is installed On the peripheral side of the base, the alignment sensor is set in one-to-one correspondence with the signal transmitter installed on the body circumference. The utility model can realize automatic positioning and alignment and semi-automatic pressing of workpieces, thereby greatly improving production efficiency.

Description

Fast clamping and positioning device for multi-cylinder engine block processing

technical field

The utility model relates to a fast clamping and positioning device, in particular to a fast clamping and positioning device for processing a multi-cylinder engine body, which belongs to the technical field of engine body processing.

Background technique

The body is the skeleton that constitutes the engine, and is the installation basis for the various mechanisms and systems of the engine. All the main parts and accessories of the engine are installed inside and outside, and bear various loads.

In the machining production of the multi-cylinder engine body, special boring and milling clamping and positioning tooling is required, and the tooling is used to clamp and position the body parts to ensure the smooth progress of processing.

The current conventional multi-cylinder processing tooling needs to use multiple mechanical screw tops, screws and pressure plates to combine and compress. The alignment and positioning process is often inconvenient, and repeated adjustments are required. The manual operation is complex, labor-intensive, and production efficiency is low.

In summary, there are obviously inconveniences and defects in the actual use of the prior art, so it is necessary to improve it.

Utility model content

The utility model aims at the deficiencies in the background technology, and provides a fast clamping and positioning device for multi-cylinder engine body processing, which enables the workpiece to realize automatic positioning and alignment and semi-automatic compression, reduces the workload of workers, reduces labor intensity, and greatly improves production. efficiency.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

The fast clamping and positioning device for multi-cylinder engine body processing includes a base, and a positioning and alignment mechanism is installed on the upper surface of the base and its surroundings. The positioning and alignment mechanism is used for alignment of the body in the vertical direction and positioning in the front, rear, left, and right directions;

A tensioning mechanism is installed above the base, and the tensioning mechanism is used for clamping after the body is aligned and positioned.

Preferably, the positioning and alignment mechanism includes a positioning support hydraulic top, an auxiliary support hydraulic top, a side pressing top, a side positioning plate, and an alignment sensor.

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

Preferably, the alignment sensor is installed on the periphery of the base, and the alignment sensor is arranged in one-to-one correspondence with the signal transmitters installed on the circumference of the body.

Preferably, the tensioning mechanism includes a hydraulic hook seat installed on the base, the hydraulic hook seat is connected to the bottom of the lead screw through a quick-change draw hook, and a pressure plate and a nut are provided on the top of the lead screw.

Preferably, the quick-change drag hook is composed of a lower hook and an upper hook, the lower hook is installed on the hydraulic hook seat, the upper hook is installed on the lead screw, and a matching part is provided between the lower hook and the upper hook.

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

Preferably, the upper surface of the base is provided with a plurality of connecting flange grooves of the same size, and a through hole is arranged in the center of the connecting flange grooves.

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

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

After the utility model adopts the above technical scheme, compared with the prior art, it has the following advantages:

1. After the workpiece is loaded, the automatic positioning and alignment is realized through the visual recognition system and the automatic adjustment system that cooperates with it. The use of the tensioning mechanism and the auxiliary support hydraulic jack realizes the semi-automatic compression of the positioning device, and the overall automation of the positioning device High, suitable for batch processing, can liberate labor to a certain extent, improve production efficiency and quality.

2. It can realize the clamping and positioning processing of cylinder blocks of various specifications, with a wide range of applications and strong versatility.

3. The accessories are assembled structures, easy to disassemble and replace for long-term use, convenient maintenance, easy lubrication and maintenance, and long service life.

The utility model is described in detail below in conjunction with accompanying drawing and embodiment.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of base;

Fig. 3 is a schematic structural view of the base and the components installed on the base;

Fig. 4 is the structural representation of tensioning mechanism;

Fig. 5 is a schematic diagram of the body in a clamped and positioned state.

In the figure, 1-base, 11-connecting flange groove, 12-reinforcing rib, 13-U-shaped long groove, 14-side compression top fixing seat; 2-tensioning mechanism, 21-hydraulic hook seat, 22- Quick-change hook, 221-down hook, 222-up hook, 23-lead screw, 24-press plate, 25-nut; 3-positioning and alignment mechanism, 31-positioning support hydraulic jack, 32-auxiliary support hydraulic jack, 33- Side compression top, 34-side positioning plate, 35-alignment sensor; 4-body, 41-surrounding line position point.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model is now described with reference to the accompanying drawings.

As shown in Figures 1 to 5, the utility model provides a fast clamping and positioning device for multi-cylinder engine body processing, including a base 1, a positioning and alignment mechanism 3 is installed on the upper surface of the base 1 and its surroundings, and a positioning and alignment mechanism 3 It is used for aligning the body 4 along the vertical direction and positioning in the front, rear, left, and right directions.

A tensioning mechanism 2 is installed above the base 1, and the tensioning mechanism 2 is used for clamping after the body 4 is aligned and positioned, so as to ensure that the body 4 does not move relative to each other during processing.

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

The upper surface of the base 1 is provided with a plurality of connecting flange grooves 11 of the same size, and the center of the connecting flange groove 11 is provided with a through hole; the connecting flange groove 11 can be installed with a hydraulic hook seat 21, a positioning support hydraulic top 31 and an auxiliary support Hydraulic top 32.

The installation dimensions of the connecting flange grooves 11 are the same. During production and use, the accessories installed at each position can be adjusted according to the different models of the body 4. The interchangeability is good and the layout is flexible. The through holes are used to arrange devices such as hydraulic cylinders.

The base 1 is provided with reinforcing ribs 12 on both sides along the length direction, and the overall structure is firm and stable through the reinforcing ribs 12 .

Both sides of the base 1 along the length direction are provided with U-shaped long grooves 13, and the U-shaped long grooves 13 can be used for connection and fixation between the overall positioning device and the machine tool workbench.

One side of the base 1 along the length direction and one side along the width direction are fixedly connected with a side pressing top fixing seat 14 , and the side pressing top fixing seat 14 is used for installing a side pressing top 33 .

The positioning and alignment mechanism 3 includes a positioning support hydraulic jack 31 , an auxiliary supporting hydraulic jack 32 , a side pressing jack 33 , a side positioning plate 34 and an alignment sensor 35 .

The positioning support hydraulic top 31 and the auxiliary support hydraulic top 32 are installed in the upper horizontal plane of the base 1, and the side pressing top 33 and the side positioning plate 34 are arranged oppositely on the surrounding side of the base 1; Tight top 33, the right/front side of base 1 installs side positioning plate 34.

The alignment sensor 35 is installed on the base 1 peripheral side, and the alignment sensor 35 is set in one-to-one correspondence with the signal transmitters on the body 4 perimeter.

The body 4 is provided with a perimeter position point 41, a signal transmitter is installed on the perimeter position point 41, and the alignment sensor 35 on the base 1 receives and recognizes the signal of the signal transmitter on the side of the body 4.

The tension mechanism 2 includes a hydraulic hook seat 21, which is installed on the connecting flange groove 11 of the base 1, the hydraulic hook seat 21 is connected to the bottom of the lead screw 23 through the quick-change draw hook 22, and the top of the lead screw 23 is provided with Pressing plate 24 and nut 25 are arranged.

The quick-change draw hook 22 can be adapted to the bodies 4 of different height specifications by cooperating with the lead screws 23 of different lengths.

Quick change draw hook 22 is made up of drop hook 221 and upper draw hook 222, and drop hook 221 is installed on the hydraulic draw hook seat 21, and upper draw hook 222 is installed on the leading screw 23, is provided with matching portion between drop hook 221 and upper draw hook 222.

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

Or the drop hook 221 has a vertical hole, and the upper pull hook 222 is provided with an upward crotch, which can be inserted into the hole of the drop hook 221 . Alternatively, the lower hook 221 has a horizontal hole, and the upper hook 222 is provided with a horizontal extending end, which can be inserted into the hole of the lower hook 221 . The opposite setting is also possible.

The lower hook 221 and the upper hook 222 are not limited to the above-mentioned structures, and other structures that can realize this quick-change matching function are all available.

The nut 25 , the pressing plate 24 , the lead screw 23 and the upper drag hook 222 are connected together and formed into one piece. When the hydraulic hook seat 21 releases pressure and rises, it drives the pull-down hook 221 to rise, and the one-piece piece can be hung directly from one side. After the quick-change hook 22 is aligned, the hydraulic hook seat 21 is pressurized, and then the quick-change hook 22 is tightened downward, and then pulled The tightening screw 23 and the pressing plate 24 realize the compression of the body 4 and the positioning device. When the hydraulic pull hook seat 21 releases pressure again, it drives the drop hook 221 to rise, and no longer contacts between the drop hook 221 and the upper pull hook 222, and now the integral part can be taken off from the body 4 sides.

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

The pressing plate 24 is preferably a profiling pressing plate, which is in contact with the processed surface of the machine body 4 and pressed tightly, and the bottom of the pressing plate 24 is profiling the contact surface of the machine body 4 . The main material of the profiling pressing plate is steel, and the profiling part is selected from materials with hardness less than the hardness of the body 4, preferably copper-plated material, which can avoid the situation that the pressing force of the pressing plate 24 is too large to injure the contact surface of the body 4, and the profiling part can also be Using nylon board for profiling can also protect the processed surface.

Concrete working principle of the utility model:

First place the base 1 on the machine tool workbench and connect it with the workbench. All auxiliary support hydraulic jacks 32 are located at the lowest position before the body 4 is active, and the positioning support hydraulic jacks 31 are preferably provided with three places, and can be multiple places. The positioning support hydraulic jacks 31 are higher than the auxiliary support hydraulic jacks 32. Body 4 is placed on the positioning support hydraulic top 31 after falling alive, and the positioning support hydraulic top 31 supports the body 4, and the auxiliary support hydraulic top 32 does not contact the body 4 due to the low height.

The perimeter position point 41 of the body 4 is equipped with a signal transmitter, and the alignment sensor 35 on the base 1 receives and recognizes the signal of the signal transmitter, and the alignment sensor 35 transmits the received signal to the PLC control system, and the control system receives the signal according to the received signal. The signal of the alignment sensor 35 compares the heights of the perimeter lines at different positions, and then controls the positioning support hydraulic jack 31 according to the feedback signal of the comparison. The positioning support hydraulic jack 31 receives the signal to pressurize the supporting workpiece and raise the height of the body 4. During the lifting process The alignment sensor 35 will continue to identify the perimeter position point 41 until the perimeter position point 41 reaches the height difference range of 0.5mm, and then the alignment sensor 35 will transmit a corresponding signal to the control system to control the positioning support hydraulic roof 31 to stop lifting, and the 0.5mm The height difference can meet the processing requirements and realize automatic leveling.

After the body 4 leveling is completed, the side compression top 33 pressurizes the side of the body 4 and makes the body 4 close to the side positioning plate 34 to realize the positioning of the body 4 in the front, back and left and right directions. After all the positioning is completed, the tension mechanism 2 compresses the body 4, and then the auxiliary support hydraulic top 32 pressurizes and supports the bottom surface of the body 4. The auxiliary support hydraulic top 32 stops rising after receiving the corresponding pressure. Multi-point auxiliary supports can enhance the processing of the engine body 4. stability in the process. The auxiliary supporting hydraulic jack 32 bears a total pressure of 3/5-4/5 of the total weight of the body 4, and is evenly distributed on each auxiliary supporting hydraulic jack 32. After the above work is completed, the processing of the body 4 can be carried out.

The above descriptions are examples of the best implementation modes of the present utility model, and the parts not mentioned in detail are the common knowledge of those skilled in the art. The protection scope of the present utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the present utility model is also within the protection scope of the present utility model.

Claims (10)

1. The fast clamping and positioning device for multi-cylinder engine body processing is characterized in that it includes a base (1), and a positioning and alignment mechanism (3) is installed on and around the upper surface of the base (1). The positioning and alignment mechanism (3) is used for Alignment of the body (4) along the vertical direction and positioning in the front, rear, left, and right directions; A tensioning mechanism (2) is installed above the base (1), and the tensioning mechanism (2) is used for clamping after the body (4) is aligned and positioned. 2. The fast clamping and positioning device for multi-cylinder engine body processing according to claim 1, characterized in that: the positioning and alignment mechanism (3) includes a positioning support hydraulic jack (31), an auxiliary supporting hydraulic jack (32), Side compression top (33), side positioning plate (34) and alignment sensor (35). 3. The fast clamping and positioning device for multi-cylinder engine block processing according to claim 2, characterized in that: the positioning support hydraulic top (31) and the auxiliary support hydraulic top (32) are installed in the horizontal plane on the base (1), and the side The edge pressing top (33) and the side positioning plate (34) are oppositely arranged on the peripheral side of the base (1). 4. The fast clamping and positioning device for multi-cylinder engine body processing according to claim 2, characterized in that: the alignment sensor (35) is installed on the peripheral side of the base (1), and the alignment sensor (35) and the body (4) The signal transmitters installed on the perimeter are set in one-to-one correspondence. 5. The multi-cylinder engine body processing quick clamping and positioning device according to claim 1, characterized in that: the tensioning mechanism (2) includes a hydraulic hook seat (21), and the hydraulic hook seat (21) is installed on the base ( 1), the hydraulic hook seat (21) is connected to the bottom of the screw (23) through the quick-change hook (22), and the top of the screw (23) is provided with a pressure plate (24) and a nut (25). 6. The multi-cylinder engine body processing quick clamping and positioning device according to claim 5, characterized in that: the quick-change hook (22) is composed of a lower hook (221) and an upper hook (222), and the lower hook (221) is installed On the hydraulic hook seat (21), the upper hook (222) is installed on the lead screw (23), and a matching part is provided between the lower hook (221) and the upper hook (222). 7. The fast clamping and positioning device for multi-cylinder engine body processing according to claim 5, characterized in that: the pressing plate (24) is a profiling pressing plate, and the bottom of the pressing plate (24) is profiling the contact surface of the engine body (4). 8. The multi-cylinder engine block processing quick clamping and positioning device according to claim 1, characterized in that: the upper surface of the base (1) is provided with a plurality of connecting flange grooves (11) of the same size, the connection method A through hole is arranged in the center of the blue groove (11). 9. The fast clamping and positioning device for multi-cylinder engine block processing according to claim 1, characterized in that: the base (1) is provided with reinforcing ribs (12) on both sides along the length direction, and the base (1) is Both sides of the direction are provided with U-shaped long grooves (13). 10. The fast clamping and positioning device for multi-cylinder engine block processing according to claim 1, characterized in that: one side of the base (1) along the length direction and one side along the width direction are fixedly connected with side pressing Top fixing seat (14).

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