Press fitting mechanism for engine cylinder block in power assembly

Abstract

The utility model relates to the technical field of power assemblies, in particular to an engine cylinder body press-fitting mechanism in a power assembly, which comprises a support frame, a bottom positioning mechanism, a left positioning mechanism, a right positioning mechanism, a pressure mechanism and a calibration mechanism, a left positioning mechanism and a right positioning mechanism are fixedly arranged above the bottom positioning mechanism, the left positioning mechanism and the right positioning mechanism are arranged in a mirror image mode, a pressure mechanism and a calibration mechanism are fixedly arranged on a vertical face mounting plate of the supporting frame, and the calibration mechanism is located on one side of the pressure mechanism; the bottom positioning mechanism comprises a first positioning assembly, a first sliding rail set, a first sliding block set and a second positioning assembly, the first sliding rail set is fixedly installed on the first positioning assembly, the first sliding block set is arranged on the first sliding rail set, and the second positioning assembly is fixedly installed on the first sliding block set through a bolt; and multiple positions can be changed and pressed, so that the equipment investment is reduced, and the utilization rate of the equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power assembly, in particular to a press-fitting mechanism for an engine cylinder body in a power assembly. Background Art

[0002] In the powertrain, when the engine block is produced, facing the accuracy and quality issues of the mounting holes on it, the use of automated positioning and pressing is an inevitable choice for the development of the industry. However, the space of the automated production line is limited, and the fixed pressing can only meet the pressing work of one position and one product, resulting in low production efficiency. Therefore, how to design an automated production line suitable for pressing multiple positions and multiple products, and how to stabilize the engine block pressing mechanism, is the technical problem to be solved by this application. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an engine cylinder block pressing mechanism in a powertrain, which has a simple structure, is stable and safe, and can adapt to a multi-model co-line automated production line for reducing costs and increasing efficiency.

[0004] The utility model solves the technical problem by adopting the following technical solutions:

[0005] An engine cylinder block press-fitting mechanism in a power assembly, comprising:

[0006] A support frame, a bottom positioning mechanism, a left positioning mechanism, a right positioning mechanism, a pressure mechanism and a calibration mechanism, wherein a support platform is arranged on the support frame, a bottom positioning mechanism is installed on the upper surface of the support platform, a left positioning mechanism and a right positioning mechanism are fixedly installed above the bottom positioning mechanism, the left positioning mechanism and the right positioning mechanism are arranged in a mirror image, a pressure mechanism and a calibration mechanism are fixedly installed on the vertical mounting plate of the support frame, and the calibration mechanism is located on one side of the pressure mechanism;

[0007] The bottom positioning mechanism includes a first positioning component, a first slide rail group, a first slider group and a second positioning component. The first positioning component is fixed with the first slide rail group, the first slider group is arranged on the first slide rail group, and the second positioning component is fixed with the first slider group by bolts.

[0008] Moreover, the first positioning assembly includes a first guide rod cylinder, a first sliding plate, a first in-position detection sensor, a second in-position detection sensor and a first buffer, the first sliding plate is fixedly mounted on one end of the guide rod of the first guide rod cylinder, the first in-position detection sensor is arranged on one side of the first sliding plate, the second in-position detection sensor is arranged at the connecting part between the cylinder body and the guide rod of the first guide rod cylinder, and the first buffer is arranged on the supporting platform at one end of the cylinder body of the first guide rod cylinder.

[0009] Moreover, the second positioning assembly includes a second guide rod cylinder, a second sliding plate, a third in-place detection sensor, a fourth in-place detection sensor and a second buffer, the second sliding plate is fixed to the first slider group by bolts, the second guide rod cylinder is fixed to the rear end of the second sliding plate, the third in-place detection sensor is arranged at the connecting part between the cylinder body of the second guide rod cylinder and the guide rod, the fourth in-place detection sensor is arranged on one side of the second sliding plate, and the second buffer is arranged between the fourth in-place detection sensor and the second sliding plate.

[0010] Moreover, the left positioning mechanism includes a second slide rail group, a second slider group, a column, a third guide rod cylinder, a fourth guide rod cylinder, a diagonal support rod and a positioning pin. The second slide rail group is fixedly installed on the upper part of the second guide rod cylinder, the second slide rail group is provided with a second slider group, the column is fixedly installed on the second slider group by bolts, the third guide rod cylinder is provided on the bottom side of the column by flat bolts, the fifth in-position detection sensor is provided on the supporting platform on one side of the third guide rod cylinder, the fourth guide rod cylinder is fixedly installed on the top of the column, and the positioning pin is provided on the fourth guide rod cylinder.

[0011] Moreover, the support frame includes a support base, a support platform and a vertical mounting plate. The support base includes a support bottom plate, on which two side plates are vertically installed, and a number of diagonal support plates are installed on the outer sides of the two side plates. A support platform is horizontally installed on the upper part of the two side plates, and a vertical mounting plate is vertically arranged at the rear end of the support platform.

[0012] Moreover, the pressure mechanism includes a press-fitting cylinder, a pressure transmission rod, a first mounting seat, a second mounting seat and a press pin. The first mounting seat and the second mounting seat are both fixedly mounted on the vertical mounting plate. The first mounting seat is located above the second mounting seat. A press-fitting cylinder is fixedly mounted on the first mounting seat. A pressure transmission rod is connected to the lower part of the press-fitting cylinder. The other end of the pressure transmission rod passes through the second mounting seat. The press pin is locked on the pressure transmission rod at the lower part of the second mounting seat.

[0013] Moreover, the calibration mechanism includes a calibration rod, a fifth guide rod cylinder, an L-shaped connecting seat and a pin sleeve. The short side of the L-shaped connecting seat is fixedly mounted on the vertical mounting plate, one end of the calibration rod passes through the long side of the L-shaped connecting seat, the pin sleeve is locked on the calibration rod at the lower part of the L-shaped connecting seat, and the fifth guide rod cylinder is fixedly mounted on one side of the long side of the L-shaped connecting seat.

[0014] Moreover, a base plate is installed on the bottom positioning mechanism, and positioning supports are fixedly installed at the four corners of the upper surface of the base plate.

[0015] The advantages and positive effects of the utility model are:

[0016] 1. The bottom positioning mechanism of the utility model can be changed into multiple positions and pressed into multiple positions, thereby reducing equipment investment, improving equipment utilization and saving costs.

[0017] 2. The utility model is provided with a left positioning mechanism and a right positioning mechanism, so that both the left and right sides are provided with conversion devices, which can adapt to the support positioning of various vehicle models, provide a solution basis for the transformation and introduction of automated production lines, and can effectively reduce costs.

[0018] 3. The equipment of the utility model has signal receiving and feedback. When the positioning mechanism changes to the position, after the position sensor receives the signal and gives feedback, the cylinder starts protection, ensuring that the positioning device reaches the position accurately and safely.

[0019] 4. The utility model is provided with a calibration mechanism, which can be used for regular calibration during long-term automatic press-fitting, thereby ensuring the accuracy of the positioning device and improving the qualified rate of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a front view of the utility model.

[0022] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0023] Figure 4 It is a top view of the bottom positioning mechanism of the utility model.

[0024] Figure 5 It is a left view of the utility model.

[0025] Figure 6 It is the right view of the utility model.

[0026] Reference numerals

[0027] 1-pressure mechanism, 2-calibration mechanism, 3-right positioning mechanism, 4-bottom positioning mechanism, 5-support frame, 6-left positioning mechanism, 7-calibration rod, 8-vertical mounting plate, 9-pin sleeve, 10-fifth guide rod cylinder, 11-side plate, 12-slant support plate, 13-support bottom plate, 14-third in-place detection sensor, 15-third guide rod cylinder, 16-fifth in-place detection sensor, 17-column, 18-fourth guide rod cylinder, 19-positioning pin, 20-pressing pin, 21-support platform, 22-first buffer, 23-first guide Rod cylinder, 24-second in-position detection sensor, 25-fourth in-position detection sensor, 26-second buffer, 27-first sliding plate, 28-second sliding plate, 29-first in-position detection sensor, 30-second slide rail group, 31-second slider group, 32-second guide rod cylinder, 33-pressing cylinder, 34-first mounting seat, 35-pressure transmission rod, 36-second mounting seat, 37-positioning support, 38-base plate, 39-short side of L-type connecting seat, 40-long side of L-type connecting seat, 41-pin sleeve. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are merely descriptive and not restrictive, and the protection scope of the present invention cannot be limited thereto.

[0029] An engine cylinder block press-fitting mechanism in a power assembly, comprising:

[0030] A support frame 5, a bottom positioning mechanism 4, a left positioning mechanism 6, a right positioning mechanism 3, a pressure mechanism 1 and a calibration mechanism 2. A support platform 21 is provided on the support frame 5. The bottom positioning mechanism 4 is installed on the upper surface of the support platform 21. The left positioning mechanism 6 and the right positioning mechanism 3 are fixedly installed above the bottom positioning mechanism 4. The left positioning mechanism 6 and the right positioning mechanism 3 are arranged in a mirror image. The pressure mechanism 1 and the calibration mechanism 2 are fixedly installed on the vertical mounting plate 8 of the support frame 5. The calibration mechanism 2 is located on one side of the pressure mechanism 1.

[0031] The bottom positioning mechanism 4 includes a first positioning component, a first slide rail group (not shown in the figure), a first slider group (not shown in the figure) and a second positioning component. The first positioning component is fixed with the first slide rail group, and the first slider group is arranged on the first slide rail group. The second positioning component is fixed to the first slider group by bolts.

[0032] The first positioning assembly includes a first guide rod cylinder 23, a first sliding plate 27, a first in-place detection sensor 29, a second in-place detection sensor 24 and a first buffer 22. The first sliding plate 27 is fixedly mounted on one end of the guide rod of the first guide rod cylinder 23. A first in-place detection sensor 29 is arranged on one side of the first sliding plate 27 to cooperate with controlling the left and right positioning of the first sliding plate 27 and to cooperate with confirming the first position state of the first positioning assembly. A second in-place detection sensor 24 is arranged at the connecting part between the cylinder body of the first guide rod cylinder 23 and the guide rod to cooperate with controlling the left and right positioning of the first sliding plate 27 and to cooperate with confirming the second position state of the first positioning assembly. A first buffer 22 is arranged on the supporting platform 21 at one end of the cylinder body of the first guide rod cylinder 23.

[0033] In the embodiment of the utility model, when the first sliding plate 27 moves to the first position state, the first in-place detection sensor 29 performs detection, and when the first sliding plate 27 moves to the second position state, the second in-place detection sensor 24 performs detection. During the movement from the first position state to the second position state, the first buffer 22 protects the first guide rod cylinder 23.

[0034] The second positioning assembly includes a second guide rod cylinder 32, a second sliding plate 28, a third in-position detection sensor 14, a fourth in-position detection sensor 25 and a second buffer 26. The second sliding plate 28 is fixed to the first slider group by bolts. The second guide rod cylinder 32 is fixed to the rear end of the second sliding plate 28. The third in-position detection sensor 14 is arranged at the connecting part between the cylinder body of the second guide rod cylinder 32 and the guide rod, which cooperates with the second sliding plate 28 for front and rear positioning and is used to cooperate and confirm the first position state of the second positioning assembly. The fourth in-position detection sensor 25 is arranged on one side of the second sliding plate 28, which cooperates with the second sliding plate 28 for front and rear positioning and is used to cooperate and confirm the second position state of the second positioning assembly. The second buffer 26 is arranged between the fourth in-position detection sensor 25 and the second sliding plate 28.

[0035] In the embodiment of the utility model, when the second sliding plate 28 moves to the first position state of the second positioning assembly, the third in-place detection sensor 14 performs detection, and when the second sliding plate 28 moves to the second position state of the second positioning assembly, the fourth in-place detection sensor 25 performs detection. In the process of moving from the first position state to the second position state, the second buffer 26 protects the second guide rod cylinder 32.

[0036] In the embodiment of the utility model, two slide rails are fixedly mounted on the upper end of the first slide plate 27, four sliders are mounted on the slide rails, and the second slide plate 28 is fastened to the four sliders by bolts.

[0037] The left positioning mechanism 6 includes a second slide rail group 30, a second slider group 31, a column 17, a third guide rod cylinder 15, a fourth guide rod cylinder 18, a diagonal support rod and a positioning pin 19. The second slide rail group 30 is fixedly installed on the upper part of the second guide rod cylinder 32, and the second slider group 31 is arranged on the second slide rail group 30. The column 17 is fixedly installed on the second slider group 31 by bolts, and the third guide rod cylinder 15 is arranged on the bottom side of the column 17 by flat bolts. A fifth in-position detection sensor 16 is arranged on the supporting platform 21 on one side of the third guide rod cylinder 15 for detecting the position state of the left positioning mechanism 6; the fourth guide rod cylinder 18 is fixedly installed on the top of the column 17, and the fourth guide rod cylinder 18 is provided with a positioning pin 19. Under the action of the fourth guide rod cylinder 18, the positioning pin 19 will be in an ejection state to play a positioning role.

[0038] The support frame 5 includes a support base, a support platform 21 and a vertical mounting plate 8. The support base includes a support bottom plate 13, on which two side plates 11 are vertically mounted, and a plurality of diagonal bracing plates 12 are mounted on the outer sides of the two side plates 11 to improve the connectivity between the two side plates 11 and the support bottom plate 13 and enhance the stability of the support frame 5. A support platform 21 is horizontally mounted on the upper part of the two side plates 11, and a vertical mounting plate 8 is vertically arranged at the rear end of the support platform 21.

[0039] The pressure mechanism 1 includes a press cylinder 33, a pressure transmission rod 35, a first mounting seat 34, a second mounting seat 36 and a press pin 20. The first mounting seat 34 and the second mounting seat 36 are both fixedly mounted on the vertical mounting plate 8. The first mounting seat 34 is located above the second mounting seat 36. The press cylinder 33 is fixedly mounted on the first mounting seat 34. The pressure transmission rod 35 is connected to the lower part of the press cylinder 33. The other end of the pressure transmission rod 35 passes through the second mounting seat 36. The press pin 20 is locked on the pressure transmission rod 35 at the lower part of the second mounting seat 36. The second mounting seat 36 is sleeved on the lower part of the pressure transmission rod 35 to play a guiding and positioning role.

[0040] The press cylinder 33 is an electric cylinder.

[0041] The calibration mechanism 2 includes a calibration rod 7, a fifth guide rod cylinder 10, an L-shaped connection seat and a pin sleeve 419. The short side 39 of the L-shaped connection seat is fixed on the vertical mounting plate 8. One end of the calibration rod 7 passes through the long side 40 of the L-shaped connection seat. The pin sleeve 419 is locked on the calibration rod 7 at the lower part of the L-shaped connection seat. The fifth guide rod cylinder 10 is fixed on one side of the long side 40 of the L-shaped connection seat. The calibration mechanism 2 is arranged near the pressure mechanism 1 and is used to calibrate the pressure mechanism 1.

[0042] A base plate 38 is also installed on the bottom positioning mechanism 4, and positioning supports 37 are fixedly installed at the four corners of the upper surface of the base plate 38 for placing products.

[0043] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A press-fitting mechanism for an engine cylinder block in a powertrain, characterized in that: include: A support frame, a bottom positioning mechanism, a left positioning mechanism, a right positioning mechanism, a pressure mechanism and a calibration mechanism, wherein a support platform is arranged on the support frame, a bottom positioning mechanism is installed on the upper surface of the support platform, a left positioning mechanism and a right positioning mechanism are fixedly installed above the bottom positioning mechanism, the left positioning mechanism and the right positioning mechanism are arranged in a mirror image, a pressure mechanism and a calibration mechanism are fixedly installed on the vertical mounting plate of the support frame, and the calibration mechanism is located on one side of the pressure mechanism; The bottom positioning mechanism includes a first positioning component, a first slide rail group, a first slider group and a second positioning component. The first positioning component is fixed with the first slide rail group, the first slider group is arranged on the first slide rail group, and the second positioning component is fixed with the first slider group by bolts.

2. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: The first positioning assembly includes a first guide rod cylinder, a first sliding plate, a first in-position detection sensor, a second in-position detection sensor and a first buffer. The first sliding plate is fixedly mounted on one end of the guide rod of the first guide rod cylinder, the first in-position detection sensor is arranged on one side of the first sliding plate, the second in-position detection sensor is arranged at the connecting part between the cylinder body and the guide rod of the first guide rod cylinder, and the first buffer is arranged on the supporting platform at one end of the cylinder body of the first guide rod cylinder.

3. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: The second positioning assembly includes a second guide rod cylinder, a second sliding plate, a third in-position detection sensor, a fourth in-position detection sensor and a second buffer. The second sliding plate is fixed to the first slider group by bolts. The second guide rod cylinder is fixed to the rear end of the second sliding plate. The third in-position detection sensor is arranged at the connecting part between the cylinder body of the second guide rod cylinder and the guide rod. The fourth in-position detection sensor is arranged on one side of the second sliding plate. The second buffer is arranged between the fourth in-position detection sensor and the second sliding plate.

4. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: The left positioning mechanism includes a second slide rail group, a second slider group, a column, a third guide rod cylinder, a fourth guide rod cylinder, a diagonal support rod and a positioning pin. The second slide rail group is fixedly installed on the upper part of the second guide rod cylinder, the second slide rail group is provided with a second slider group, the column is fixedly installed on the second slider group by bolts, a third guide rod cylinder is provided on one side of the bottom of the column by a flat bolt, a fifth in-position detection sensor is provided on a supporting platform on one side of the third guide rod cylinder, a fourth guide rod cylinder is fixedly installed on the top of the column, and a positioning pin is provided on the fourth guide rod cylinder.

5. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: The support frame includes a support base, a support platform and a vertical mounting plate. The support base includes a support bottom plate, on which two side plates are vertically installed, and a plurality of diagonal support plates are installed on the outer sides of the two side plates. A support platform is horizontally installed on the upper part of the two side plates, and a vertical mounting plate is vertically arranged at the rear end of the support platform.

6. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: The pressure mechanism includes a press-fitting cylinder, a pressure transmission rod, a first mounting seat, a second mounting seat and a press pin. The first mounting seat and the second mounting seat are both fixedly mounted on the vertical mounting plate. The first mounting seat is located above the second mounting seat. A press-fitting cylinder is fixedly mounted on the first mounting seat. A pressure transmission rod is connected to the lower part of the press-fitting cylinder. The other end of the pressure transmission rod passes through the second mounting seat. The press pin is locked on the pressure transmission rod at the lower part of the second mounting seat.

7. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: The calibration mechanism includes a calibration rod, a fifth guide rod cylinder, an L-shaped connecting seat and a pin sleeve. The short side of the L-shaped connecting seat is fixed on the vertical mounting plate, one end of the calibration rod passes through the long side of the L-shaped connecting seat, the pin sleeve is locked on the calibration rod at the lower part of the L-shaped connecting seat, and the fifth guide rod cylinder is fixed on one side of the long side of the L-shaped connecting seat.

8. The engine cylinder block press-fitting mechanism in a powertrain according to claim 1, characterized in that: A base plate is also installed on the bottom positioning mechanism, and positioning supports are fixedly installed at the four corners of the upper surface of the base plate.

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