Automatic positioning device for engine cylinder blocks adaptable to multiple models

Abstract

The present invention discloses an automatic positioning device for engine cylinder blocks adaptable to multiple models, comprising: the front and rear guides of the cylinder block fixture are arranged on the upper surface of the base; the cylinder block fixture bracket is vertically arranged on the front and rear guides of the cylinder block fixture on the upper surface of the base, and the cylinder block fixture bracket can move horizontally back and forth along the front and rear guides of the cylinder block fixture; the up and down guides of the cylinder block fixture are arranged on the cylinder block fixture bracket; the cylinder block fixture A pressing block assembly is arranged on the cylinder block fixture bracket through the up and down guides of the cylinder block fixture; the cylinder block fixture B pressing block assembly is arranged on the cylinder block fixture bracket through the up and down guides of the cylinder block fixture and is located below the cylinder block fixture A pressing block assembly. The upper surface of the cylinder block fixture B pressing block assembly includes a cylinder block positioning pin, which is used to insert into the positioning hole of the engine cylinder block to position the engine cylinder block. Thereby, the automatic positioning of engine cylinder blocks of multiple models can be realized, and the working efficiency is higher.

Description

Technical Field

[0001] The present invention relates to the field of engine manufacturing, and particularly to an automatic positioning device suitable for engine blocks of multiple models. Background Art

[0002] When an engine is produced, it is necessary to position the engine block. Most of the existing engine block positioning devices use manual positioning, which is inefficient, time-consuming, and labor-intensive. Solving the defect of low efficiency in the manual positioning of the existing engine block positioning technology and realizing the automatic positioning of engine blocks of multiple models to improve work efficiency have become one of the urgent problems to be solved in the engine manufacturing industry.

[0003] The information disclosed in this background art section is only intended to enhance the overall understanding of the present invention and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic positioning device suitable for engine blocks of multiple models, which can solve the defect of low efficiency in the existing engine block positioning that mostly uses manual positioning, and can realize the automatic positioning of engine blocks of multiple models, with higher work efficiency.

[0005] To achieve the above object, the present invention provides an automatic positioning device suitable for engine blocks of multiple models, including a base, a front and rear guide rail for the cylinder block fixture, a cylinder block fixture bracket, an upper and lower guide rail for the cylinder block fixture, a cylinder block fixture A pressing block assembly, and a cylinder block fixture B pressing block assembly; the front and rear guide rail for the cylinder block fixture is arranged on the upper surface of the base; the cylinder block fixture bracket is vertically arranged on the front and rear guide rail for the cylinder block fixture on the upper surface of the base, and the cylinder block fixture bracket can move horizontally back and forth along the front and rear guide rail for the cylinder block fixture; the upper and lower guide rail for the cylinder block fixture is arranged on the cylinder block fixture bracket; the cylinder block fixture A pressing block assembly is arranged on the cylinder block fixture bracket through the upper and lower guide rail for the cylinder block fixture; the cylinder block fixture B pressing block assembly is arranged on the cylinder block fixture bracket through the upper and lower guide rail for the cylinder block fixture and is located below the cylinder block fixture A pressing block assembly. The upper surface of the cylinder block fixture B pressing block assembly includes a cylinder block positioning pin, which is used to insert into the positioning hole of the engine block to position the engine block; wherein both the cylinder block fixture A pressing block assembly and the cylinder block fixture B pressing block assembly can move vertically up and down along the upper and lower guide rail for the cylinder block fixture independently.

[0006] In a preferred embodiment, the cylinder block fixture A pressing block assembly includes a first A pressing block assembly and a second A pressing block assembly; the first A pressing block assembly is arranged on the cylinder block fixture bracket through the cylinder block fixture upper and lower guide rails and can move up and down along the cylinder block fixture upper and lower guide rails. The front vertical surface of the first A pressing block assembly is provided with left and right guide rails for the A pressing block assembly; the second A pressing block assembly is arranged on the first A pressing block assembly through the left and right guide rails for the A pressing block assembly and can move horizontally left and right along the left and right guide rails for the A pressing block assembly.

[0007] In a preferred embodiment, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a cylinder block fixture telescopic air cylinder, one end of which is fixed on the base and the other end is connected to the lower part of the cylinder block fixture bracket. The cylinder block fixture telescopic air cylinder is used to drive the cylinder block fixture bracket to move horizontally back and forth along the front and back guide rails of the cylinder block fixture.

[0008] In a preferred embodiment, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a pressing cylinder for the A pressing block assembly, which is fixedly arranged on the upper part of the cylinder block fixture bracket. The telescopic end of the pressing cylinder for the A pressing block assembly is connected to the first A pressing block assembly. The pressing cylinder for the A pressing block assembly is used to drive the cylinder block fixture A pressing block assembly to move vertically up and down along the upper and lower guide rails of the cylinder block fixture.

[0009] In a preferred embodiment, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a motor for the B pressing block assembly, which is fixedly arranged in the middle of the cylinder block fixture bracket. The output shaft of the motor for the B pressing block assembly is connected to the cylinder block fixture B pressing block assembly through a transmission mechanism. The motor for the B pressing block assembly is used to drive the cylinder block fixture B pressing block assembly to move vertically up and down along the upper and lower guide rails of the cylinder block fixture through the transmission mechanism.

[0010] In a preferred embodiment, the transmission mechanism adopts a lead screw transmission form.

[0011] In a preferred embodiment, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a left and right air cylinder for the A pressing block assembly, which is arranged at the side vertical surface of one side of the first A pressing block assembly. The telescopic end of the left and right air cylinder for the A pressing block assembly is connected to the side part of the second A pressing block assembly. The left and right air cylinder for the A pressing block assembly is used to drive the second A pressing block assembly to move horizontally left and right along the left and right guide rails for the A pressing block assembly.

[0012] In a preferred embodiment, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a plurality of cylinder block pressing blocks, which are arranged on the lower surface of the second A pressing block assembly. The plurality of cylinder block pressing blocks are used to perform multi-point pressing on the engine cylinder block.

[0013] Compared with the prior art, the automatic positioning device for engine cylinder blocks adaptable to multiple models has the following beneficial effects: In this solution, the front and rear guide rails of the cylinder block fixture and the telescopic cylinder of the cylinder block fixture arranged on the base can control the reciprocating movement of the cylinder block fixture bracket in the front and rear horizontal directions; by setting the up and down guide rails of the cylinder block fixture on the cylinder block fixture bracket, the A pressing block assembly of the cylinder block fixture, the downward pressing cylinder of the A pressing block assembly, the B pressing block assembly of the cylinder block fixture, and the motor of the B pressing block assembly, it controls the reciprocating movement of the A pressing block assembly and the B pressing block assembly of the cylinder block fixture in the up and down vertical directions along the up and down guide rails of the cylinder block fixture; by setting the left and right cylinder of the A pressing block assembly and the left and right guide rails on the first A pressing block assembly, it controls the left and right horizontal reciprocating movement of the second A pressing block assembly; in cooperation with the cylinder block positioning pins arranged on the B pressing block assembly of the cylinder block fixture, it can adapt to the automatic precise positioning of the engine cylinder blocks of multiple models in the three-axis directions of up and down, left and right, front and rear (X, Y, Z) and the rotation limit in the X and Y planes, and well overcomes the problems of time-consuming and low efficiency of manual positioning in the past. Brief Description of the Drawings

[0014] Figure 1 is a schematic three-dimensional structure diagram of the automatic positioning device according to an embodiment of the present invention;

[0015] Figure 2 is a schematic front view structure diagram of the automatic positioning device according to an embodiment of the present invention;

[0016] Figure 3 is a schematic top view structure diagram of the automatic positioning device according to an embodiment of the present invention;

[0017] Figure 4 is a schematic side view cross-sectional structure diagram of the automatic positioning device according to an embodiment of the present invention;

[0018] Figure 5 is a schematic rear view structure diagram of the automatic positioning device according to an embodiment of the present invention;

[0019] Figure 6 is a schematic structure diagram of the positions of different components of the automatic positioning device in the front, rear, up and down directions according to an embodiment of the present invention.

[0020] Main Reference Numeral Description:

[0021] 1 - Base, 2 - Front and rear guides of cylinder block fixture, 3 - Telescopic cylinder of cylinder block fixture, 4 - Upper and lower guides of cylinder block fixture, 5 - Motor of B press block assembly, 6 - Left and right cylinders of A press block assembly, 7 - Support of cylinder block fixture, 8 - Lower pressing cylinder of A press block assembly, 9 - Left and right guides of A press block assembly, 10 - A press block assembly of cylinder block fixture, 1001 - First part of A press block assembly, 1002 - Second part of A press block assembly, 11 - Cylinder block press block, 12 - Cylinder block positioning pin, 13 - B press block assembly of cylinder block fixture. Detailed implementation mode

[0022] The following combines the accompanying drawings to describe in detail the specific implementation mode of the present invention. However, it should be understood that the protection scope of the present invention is not limited by the specific implementation mode.

[0023] Unless otherwise clearly stated, throughout the specification and claims, the term "comprising" or its variants such as "including" or "having" etc. will be understood to include the stated elements or components, and does not exclude other elements or other components.

[0024] As Figures 1 to 5 shown, an automatic positioning device for engine cylinder blocks adaptable to multiple models according to a preferred implementation mode of the present invention mainly includes a base 1, front and rear guides 2 of the cylinder block fixture, a support 7 of the cylinder block fixture, upper and lower guides 4 of the cylinder block fixture, an A press block assembly 10 of the cylinder block fixture, a B press block assembly 13 of the cylinder block fixture, etc. The front and rear guides 2 of the cylinder block fixture are arranged on the upper surface of the base 1. The support 7 of the cylinder block fixture is vertically arranged on the front and rear guides 2 of the cylinder block fixture on the upper surface of the base 1, and the support 7 of the cylinder block fixture can move horizontally back and forth along the front and rear guides 2 of the cylinder block fixture. The upper and lower guides 4 of the cylinder block fixture are arranged on the support 7 of the cylinder block fixture. The A press block assembly 10 of the cylinder block fixture is arranged on the support 7 of the cylinder block fixture through the upper and lower guides 4 of the cylinder block fixture. The B press block assembly 13 of the cylinder block fixture is arranged on the support 7 of the cylinder block fixture through the upper and lower guides 4 of the cylinder block fixture and is located below the A press block assembly 10 of the cylinder block fixture. The upper surface of the B press block assembly 13 of the cylinder block fixture includes a cylinder block positioning pin 12, and the cylinder block positioning pin 12 is used to insert into the positioning hole of the engine cylinder block to position the engine cylinder block. Among them, both the A press block assembly 10 of the cylinder block fixture and the B press block assembly 13 of the cylinder block fixture can move vertically up and down along the upper and lower guides 4 of the cylinder block fixture alone.

[0025] In some embodiments, the cylinder block fixture A pressing block assembly 10 includes a first A pressing block assembly 1001 and a second A pressing block assembly 1002. The first A pressing block assembly 1001 is arranged on the cylinder block fixture bracket 7 through the cylinder block fixture upper and lower guide rails 4 and can move up and down along the cylinder block fixture upper and lower guide rails 4. The front vertical surface of the first A pressing block assembly 1001 is provided with the A pressing block assembly left and right guide rails 9. The second A pressing block assembly 1002 is arranged on the first A pressing block assembly 1001 through the A pressing block assembly left and right guide rails 9 and can move horizontally left and right along the A pressing block assembly left and right guide rails 9.

[0026] In some embodiments, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a cylinder block fixture telescopic cylinder 3. One end of the cylinder block fixture telescopic cylinder 3 is fixed on the base 1, and the other end is connected to the lower part of the cylinder block fixture bracket 7. The cylinder block fixture telescopic cylinder 3 is used to drive the cylinder block fixture bracket 7 to move horizontally forward and backward along the cylinder block fixture front and rear guide rails 2.

[0027] In some embodiments, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes an A pressing block assembly downward pressing cylinder 8. The A pressing block assembly downward pressing cylinder 8 is fixedly arranged on the upper part of the cylinder block fixture bracket 7. The telescopic end of the A pressing block assembly downward pressing cylinder 8 is connected to the first A pressing block assembly 1001. The A pressing block assembly downward pressing cylinder 8 is used to drive the cylinder block fixture A pressing block assembly 10 to move vertically up and down along the cylinder block fixture upper and lower guide rails 4.

[0028] In some embodiments, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a B pressing block assembly motor 5. The B pressing block assembly motor 5 is fixedly arranged in the middle of the cylinder block fixture bracket 7. The output shaft of the B pressing block assembly motor 5 is connected to the cylinder block fixture B pressing block assembly 13 through a transmission mechanism. The B pressing block assembly motor 5 is used to drive the cylinder block fixture B pressing block assembly 13 to move vertically up and down along the cylinder block fixture upper and lower guide rails 4 through the transmission mechanism. The transmission mechanism can adopt, for example, but not limited to, the form of screw drive.

[0029] In some embodiments, the automatic positioning device for adapting to engine cylinder blocks of multiple models further includes an A pressing block assembly left and right cylinder 6. The A pressing block assembly left and right cylinder 6 is arranged at the side vertical surface of one side of the first A pressing block assembly 1001. The telescopic end of the A pressing block assembly left and right cylinder 6 is connected to the side part of the second A pressing block assembly 1002. The A pressing block assembly left and right cylinder 6 is used to drive the second A pressing block assembly 1002 to move horizontally left and right along the A pressing block assembly left and right guide rails 9.

[0030] In some embodiments, the automatic positioning device for engine blocks adaptable to multiple engine models further includes a plurality of block pressing blocks 11. The plurality of block pressing blocks 11 are arranged on the lower surface of the A pressing block assembly two 1002, and the plurality of block pressing blocks 11 are used to press the engine block at multiple points. In some embodiments, the pressing height of the plurality of block pressing blocks 11 can be adjusted to meet the pressing requirements of engine blocks of multiple models.

[0031] In some embodiments, the cylinder drive form and the drive form of the motor and transmission mechanism adopted in this embodiment are only exemplary, and the present invention is not limited thereto. They can also be interchanged according to actual needs or other drive forms can be adopted.

[0032] As Figure 6 shown, the working method of the automatic positioning device for engine blocks adaptable to multiple engine models of the present invention is generally as follows: When the engine block is transported in place, the block fixture support 7 moves back and forth and slides out of the block position. The B pressing block assembly 13 of the block fixture presses upward and makes the block positioning pin 12 insert into the positioning pin hole of the engine block. At the same time, after the A pressing block assembly two 1002 of the A pressing block assembly 10 of the block fixture A adjusts to the correct position through the left and right cylinders 6 of the A pressing block assembly, the A pressing block assembly 10 of the block fixture A presses down to the top surface of the engine block. At the same time, the height of the plurality of block pressing blocks 11 can also be adjusted to meet the pressing requirements of different models, and automatic positioning in the X, Y, and Z three directions of the engine blocks of multiple models, as well as movement and rotation limiting in the X and Y planes, can be achieved.

[0033] In summary, the automatic positioning device for engine blocks adaptable to multiple engine models of the present invention has the following advantages: Through the front and rear guide rails of the block fixture and the telescopic cylinder of the block fixture arranged on the base, the reciprocating movement of the block fixture support in the front and rear horizontal directions can be controlled; Through the up and down guide rails of the block fixture arranged on the block fixture support, the A pressing block assembly of the block fixture, the downward pressing cylinder of the A pressing block assembly, the B pressing block assembly of the block fixture, and the motor of the B pressing block assembly, the reciprocating movement of the A pressing block assembly of the block fixture and the B pressing block assembly of the block fixture in the up and down vertical directions along the up and down guide rails of the block fixture can be controlled; Through the left and right cylinders of the A pressing block assembly and the left and right guide rails of the A pressing block assembly arranged on the A pressing block assembly one, the left and right horizontal reciprocating movement of the A pressing block assembly two can be controlled; Cooperating with the block positioning pin arranged on the B pressing block assembly of the block fixture, it can adapt to the automatic precise positioning of engine blocks of multiple models in the up, down, left, right, front, and rear (X, Y, Z) three-axis directions and the rotation limiting in the X and Y planes, and well overcome the problems of time-consuming and low efficiency of manual positioning in the past.

[0034] The foregoing description of the specific exemplary embodiments of the present invention is for purposes of illustration and exemplification. These descriptions are not intended to limit the invention to the precise forms disclosed, and it is apparent that many modifications and variations are possible in light of the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical applications, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the present invention, as well as various different selections and modifications. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. An automatic positioning device for engine blocks adaptable to multiple engine models, characterized in that, Comprising: Base; Front and rear guides of the cylinder block fixture, which are arranged at the upper surface of the base; Cylinder block fixture bracket, which is vertically arranged on the front and rear guides of the cylinder block fixture at the upper surface of the base, and the cylinder block fixture bracket can move horizontally back and forth along the front and rear guides of the cylinder block fixture; Upper and lower guides of the cylinder block fixture, which are arranged on the cylinder block fixture bracket; Cylinder block fixture A pressing block assembly, which is arranged on the cylinder block fixture bracket through the upper and lower guides of the cylinder block fixture; and Cylinder block fixture B pressing block assembly, which is arranged on the cylinder block fixture bracket through the upper and lower guides of the cylinder block fixture and is located below the cylinder block fixture A pressing block assembly. The upper surface of the cylinder block fixture B pressing block assembly includes a cylinder block positioning pin, which is used to insert into the positioning hole of the engine cylinder block to position the engine cylinder block; Wherein both the cylinder block fixture A pressing block assembly and the cylinder block fixture B pressing block assembly can move vertically up and down along the upper and lower guides of the cylinder block fixture independently; Wherein, the cylinder block fixture A pressing block assembly includes: A pressing block assembly one, which is arranged on the cylinder block fixture bracket through the upper and lower guides of the cylinder block fixture and can move up and down along the upper and lower guides of the cylinder block fixture. An A pressing block assembly left and right guide is arranged on the front vertical surface of the A pressing block assembly one; and A pressing block assembly two, which is arranged on the A pressing block assembly one through the A pressing block assembly left and right guide and can move horizontally left and right along the A pressing block assembly left and right guide; The automatic positioning device for adapting to engine cylinder blocks of multiple models further includes a cylinder block fixture telescopic cylinder, one end of which is fixed on the base and the other end is connected to the lower part of the cylinder block fixture bracket. The cylinder block fixture telescopic cylinder is used to drive the cylinder block fixture bracket to move horizontally back and forth along the front and rear guides of the cylinder block fixture; The automatic positioning device for adapting to engine cylinder blocks of multiple models further includes an A pressing block assembly downward pressing cylinder, which is fixedly arranged on the upper part of the cylinder block fixture bracket. The telescopic end of the A pressing block assembly downward pressing cylinder is connected to the A pressing block assembly one. The A pressing block assembly downward pressing cylinder is used to drive the cylinder block fixture A pressing block assembly to move vertically up and down along the upper and lower guides of the cylinder block fixture.

2. The automatic positioning device for engine cylinder blocks adaptable to multiple engine models according to claim 1, characterized in that, It further includes a B pressing block assembly motor, which is fixedly arranged in the middle of the cylinder block fixture bracket. The output shaft of the B pressing block assembly motor is connected to the cylinder block fixture B pressing block assembly through a transmission mechanism. The B pressing block assembly motor is used to drive the cylinder block fixture B pressing block assembly to move vertically up and down along the upper and lower guides of the cylinder block fixture through the transmission mechanism.

3. The automatic positioning device for engine cylinder blocks adaptable to multiple engine models according to claim 2, characterized in that, The transmission mechanism adopts a lead screw transmission form.

4. The automatic positioning device for engine cylinder blocks adaptable to multiple engine models according to claim 1, characterized in that, It further includes an A pressing block assembly left and right cylinder, which is arranged at the side vertical surface of one side of the A pressing block assembly one. The telescopic end of the A pressing block assembly left and right cylinder is connected to the side part of the A pressing block assembly two. The A pressing block assembly left and right cylinder is used to drive the A pressing block assembly two to move horizontally left and right along the A pressing block assembly left and right guide.

5. The automatic positioning device for engine cylinder blocks adaptable to multiple engine models according to claim 1, characterized in that It further includes a plurality of cylinder block pressing blocks, which are arranged at the lower surface of the A pressing block assembly two. The plurality of cylinder block pressing blocks are used to press the engine cylinder block at multiple points.

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