Tool for machining flywheel casing

Abstract

The utility model discloses a tool for processing a flywheel casing, which comprises a bottom plate and a mounting plate, a bulge is arranged on the upper surface of the bottom plate, a groove matched with the bulge is arranged on the lower surface of the mounting plate, and the inner diameter of the groove is larger than the outer diameter of the bulge. Four horizontal threaded holes are uniformly distributed in the mounting plate in the circumferential direction, the first end of each threaded hole is communicated with the outer circumferential surface of the mounting plate, and the second end of each threaded hole is communicated with the side wall of the groove; and an adjusting screw is in threaded connection in each threaded hole. A supporting structure used for supporting the flywheel shell is arranged on the upper surface of the mounting plate. When the machining equipment is used for machining the flywheel shell, the flywheel shell is placed on the mounting plate, the mounting plate can move front and back and left and right under the action of the adjusting screws, so that a center hole of the flywheel shell can be adjusted to be aligned with a main shaft of the machining equipment, machining errors can be reduced in the machining process of the flywheel shell, the product yield can be increased, and the production cost can be reduced; and the economic benefits of enterprises are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flywheel housing processing equipment, and in particular relates to a tool for processing a flywheel housing. Background Art

[0002] During the flywheel housing machining process, one of the steps is to machine the inner diameter of the large stop of the flywheel housing, and this process is performed on a vertical lathe.

[0003] When processing the inner diameter of the large stopper of the flywheel housing, the flywheel housing needs to be fixed on the vertical lathe by a tooling. However, when using the existing tooling, the problem is that after the flywheel housing is fixed on the tooling, the center hole of the flywheel housing is often not aligned with the spindle of the vertical lathe, resulting in a large processing error of the processed product, an increase in the product defect rate, an increase in production costs, and a decrease in the economic benefits of the enterprise. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a tool for processing a flywheel housing. When the tool of the utility model is used, the processing error can be reduced during the processing of the flywheel housing by the processing equipment, the product yield can be improved, the production cost can be reduced, and the economic benefits of the enterprise can be improved.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A tool for processing a flywheel housing, the flywheel housing processed by the tool comprises a flywheel housing body, the flywheel housing body comprises a body connecting end, the body connecting end is used to connect to the body of an engine; the body connecting end has a body connecting surface; the flywheel housing body also comprises a first side portion and a second side portion; the tool comprises a base plate and a mounting plate, the upper surface of the base plate is provided with a protrusion, the lower surface of the mounting plate is provided with a groove matching the protrusion, the inner diameter of the groove is larger than the outer diameter of the protrusion; four horizontal threaded holes are evenly distributed on the mounting plate in the circumferential direction, the first end of each threaded hole is connected to the outer circumferential surface of the mounting plate, and the second end of each threaded hole is connected to the inner side wall of the groove; an adjustment screw is threadedly connected in each threaded hole; the upper surface of the mounting plate is provided with a support structure for supporting the flywheel housing.

[0007] Furthermore, the support structure includes three first support blocks arranged on the upper surface of the mounting plate, and the three first support blocks are respectively a first support block A, a first support block B, and a first support block C; the first support block A is provided with a first support block A connecting hole, the first support block B is provided with a first support block B connecting hole, and the first support block C is provided with a first support block C connecting hole; the body connecting surface is provided with a first through hole, a second through hole, and a third through hole; when the tooling is used to process the flywheel housing, a first bolt is used to connect the flywheel housing body with the first support block A through the first through hole and the first support block A connecting hole; a second bolt is used to connect the flywheel housing body with the first support block B through the second through hole and the first support block B connecting hole; a third bolt is used to connect the flywheel housing body with the first support block C through the third through hole and the first support block C connecting hole.

[0008] Furthermore, the support structure also includes two second support blocks, which are respectively a second support block A and a second support block B; when the tooling is used to process the flywheel housing, the second support block A and the second support block B support the body connection surface.

[0009] Furthermore, an auxiliary support structure is also provided on the upper surface of the mounting plate, and the auxiliary support structure includes an auxiliary support seat arranged on the upper surface of the mounting plate, and an auxiliary support column is also provided on the upper end of the auxiliary support seat; when the tooling is used to process the flywheel housing, the auxiliary support column supports the connecting end of the machine body.

[0010] Furthermore, a positioning structure is also provided on the upper surface of the mounting plate; the body connecting surface has a fourth through hole; the positioning structure includes a circular pin arranged on the upper surface of the mounting plate, and when the tooling is used to process the flywheel housing, the circular pin is inserted into the fourth through hole.

[0011] Furthermore, the body connecting surface has a fifth through hole; the positioning structure also includes a diamond pin arranged on the upper surface of the mounting plate, and when the tooling is used to process the flywheel housing, the diamond pin is inserted into the fifth through hole.

[0012] Furthermore, a pre-guide structure is also provided on the upper surface of the mounting plate, and the pre-guide structure includes a first pre-guide column and a second pre-guide column installed on the upper surface of the mounting plate; when the flywheel housing is placed on the tooling, the first pre-guide column guides from the first side portion, and the second pre-guide column guides from the second side portion.

[0013] Furthermore, the first pre-guide column is installed on the upper surface of the mounting plate through a first mounting block; and the second pre-guide column is installed on the upper surface of the mounting plate through a second mounting block.

[0014] Further, the first mounting block is detachably mounted on the mounting plate, and the second mounting block is detachably mounted on the mounting plate.

[0015] Furthermore, the first mounting block is provided with a strip-shaped hole; and the second mounting block is provided with a strip-shaped hole.

[0016] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] The tooling for processing the flywheel housing includes a base plate and a mounting plate, wherein the upper surface of the base plate is provided with a protrusion, and the lower surface of the mounting plate is provided with a groove matched with the protrusion, and the inner diameter of the groove is greater than the outer diameter of the protrusion. Four horizontal threaded holes are evenly distributed circumferentially on the mounting plate, and the first end of each threaded hole is connected to the outer peripheral surface of the mounting plate, and the second end of each threaded hole is connected to the side wall of the groove; and an adjustment screw is threadedly connected in each threaded hole. A support structure for supporting the flywheel housing is provided on the upper surface of the mounting plate. When the flywheel housing is processed by the processing equipment, the flywheel housing is placed on the tooling of the utility model. Since the mounting plate can move forward and backward and left and right under the action of the adjustment screw, the center hole of the flywheel housing can be adjusted to align with the main axis of the processing equipment. During the processing of the flywheel housing by the processing equipment, the processing error can be reduced, the product yield rate can be improved, the production cost can be reduced, and the economic benefits of the enterprise can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the tooling for machining a flywheel housing of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a tooling for machining a flywheel housing of the utility model;

[0020] Figure 3 yes Figure 2 Sectional view along AA direction;

[0021] Figure 4 yes Figure 1 A three-dimensional image of the midsole plate;

[0022] Figure 5 yes Figure 1 A perspective view of the middle mounting plate;

[0023] Figure 6 It is a three-dimensional diagram of the use state of the tooling for processing the flywheel housing of the utility model;

[0024] Figure 7 yes Figure 6 A three-dimensional view of the middle flywheel housing;

[0025] Figure 8 It is a structural schematic diagram of the relative position relationship between the positioning structure, the pre-guiding structure, the supporting structure and the flywheel housing;

[0026] In the figure, 1, adjustment screw; 2, bottom plate; 21, protrusion; 211, mounting hole; 3, mounting plate; 31, groove; 311, inner wall; 411, first mounting block; 412, first pre-guide column; 421, second mounting block; 422, second pre-guide column; 511, first support block A; 5111, first support block A connecting hole; 512, first support block B; 513, first support block C; 521, Second support block A; 522, second support block B; 6, diamond pin; 7, round pin; 81, auxiliary support seat; 82, auxiliary support column; 9, flywheel housing; 91, body connecting surface; 911, first through hole; 912, second through hole; 913, third through hole; 914, fourth through hole; 915, fifth through hole; 92, first side; 93, second side; 94, center hole; 95, large stop; 10, lifting ring. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Combination Figure 1 as well as Figure 6 As shown together, when using processing equipment (specifically a vertical lathe in this embodiment) (not shown in the figure) to process the inner diameter of the large stop 95 of the flywheel housing 9, the tooling for processing the flywheel housing of the present invention is used.

[0029] Combination Figure 6 as well as Figure 7 As shown together, the flywheel housing 9 includes a flywheel housing body, the flywheel housing body includes a center hole 94, and the flywheel housing body also includes a body connection end, which is used to connect to the body of the engine (not shown in the figure). The other end of the flywheel housing body has a large stop 95. The body connection end has a body connection surface 91, and the body connection surface 91 has a first through hole 911, a second through hole 912, a third through hole 913, a fourth through hole 914, and a fifth through hole 915. The flywheel housing body also includes a first side portion 92 and a second side portion 93. The flywheel housing 9 involved in this embodiment is a prior art, and its specific structure will not be further described.

[0030] Combination Figure 1 , such as 2, Figure 3 , Figure 4 ,as well as Figure 5As shown together, the tooling includes a base plate 2 and a mounting plate 3. A protrusion 21 is provided on the upper surface of the base plate 2, and a groove 31 matching the protrusion 21 is provided on the lower surface of the mounting plate 3. The inner diameter of the groove 31 is larger than the outer diameter of the protrusion 21, and the inner diameter of the groove 31 is preferably slightly larger than the outer diameter of the protrusion 21. A mounting hole 211 is also provided on the base plate 2, and the mounting hole 211 is preferably provided in the area where the protrusion 21 is located. The mounting hole 211 is used to fix the base plate 2 on the processing equipment for processing the flywheel housing 9.

[0031] There are four horizontally arranged threaded holes evenly distributed on the mounting plate 3 in the circumferential direction, the first end of each threaded hole is connected to the outer circumferential surface of the mounting plate 3, and the second end of each threaded hole is connected to the inner side wall 311 of the groove 31; each threaded hole is threadedly connected with an adjustment screw 1. The four adjustment screws 1 are divided into two groups, of which two adjustment screws 1 arranged opposite to each other are the first group, and the remaining two adjustment screws 1 arranged opposite to each other are the second group. The first group of adjustment screws 1 are arranged in the front-to-back direction, and the second group of adjustment screws 1 are arranged in the left-to-right direction. Since the inner diameter of the groove 31 is slightly larger than the outer diameter of the protrusion 21, the position of the mounting plate 3 can be adjusted in the front-to-back direction by using the first group of adjustment screws 1, and the position of the mounting plate 3 can be adjusted in the left-to-right direction by using the second group of adjustment screws 1. It is worth noting that the adjustment space of the position of the mounting plate 3 in the front-to-back and left-to-right directions is relatively small.

[0032] Combination Figure 1 , Figure 2 , Figure 3 , Figure 6 ,as well as Figure 8 As shown together, a support structure for supporting the flywheel housing 9 is provided on the upper surface of the mounting plate 3 .

[0033] The support structure includes three first support blocks arranged on the upper surface of the mounting plate 3, and the three first support blocks are respectively a first support block A 511, a first support block B 512, and a first support block C 513. The first support block A 511, the first support block B 512, and the first support block C 513 are all fixedly mounted on the upper surface of the mounting plate 3 by bolts. Of course, when processing flywheel housings 9 of different models, the number of first support blocks can be set as needed.

[0034] The first support block A 511 is provided with a first support block A connection hole 5111, the first support block B 512 is provided with a first support block B connection hole, and the first support block C 513 is provided with a first support block C connection hole. When the tooling of this embodiment is used to process the flywheel housing 9, the flywheel housing body is fixedly connected to the first support block A 511 by using a first bolt (not shown in the figure) through the first through hole 911 and the first support block A connection hole 5111; the flywheel housing body is fixedly connected to the first support block B 512 by using a second bolt (not shown in the figure) through the second through hole 912 and the first support block B connection hole; the flywheel housing body is connected to the first support block C 513 by using a third bolt (not shown in the figure) through the third through hole 913 and the first support block C connection hole. Then the flywheel housing body is fixedly mounted on the mounting plate 3.

[0035] Preferably, the support structure further includes two second support blocks, which are respectively a second support block A 521 and a second support block B 522; when the tooling of this embodiment is used to process the flywheel housing 9, the second support block A 521 and the second support block B 522 support the body connection surface 91. Of course, when processing flywheel housings 9 of different models, the number of second support blocks can be set as needed.

[0036] Further preferably, an auxiliary support structure is also provided on the upper surface of the mounting plate 3, the auxiliary support structure includes an auxiliary support seat 81 arranged on the upper surface of the mounting plate 3, and an auxiliary support column 82 is also provided on the upper end of the auxiliary support seat 81; when the flywheel housing 9 is processed using tooling, the auxiliary support column 82 supports the connecting end of the machine body.

[0037] Preferably, a positioning structure is also provided on the upper surface of the mounting plate 3. The positioning structure includes a round pin 7 provided on the upper surface of the mounting plate 3. When the tooling of this embodiment is used to process the flywheel housing 9, the round pin 7 is inserted into the fourth through hole 914.

[0038] Further preferably, the positioning structure further includes a diamond pin 6 arranged on the upper surface of the mounting plate 3 . When the tooling of this embodiment is used to process the flywheel housing 9 , the diamond pin 6 is inserted into the fifth through hole 915 .

[0039] The tooling of this embodiment utilizes the first through hole 911, the second through hole 912, the third through hole 913, the fourth through hole 914, and the fifth through hole 915 of the flywheel housing 9 itself, which can effectively avoid opening holes in the flywheel housing 9, further avoid damage to the structure of the flywheel housing 9, and ensure the reliability of the quality of the flywheel housing 9.

[0040] Preferably, a pre-guide structure is further provided on the upper surface of the mounting plate 3. The pre-guide structure includes a first pre-guide column 412 and a second pre-guide column 422 installed on the upper surface of the mounting plate 3; when the flywheel housing 9 is placed on the tooling, the first pre-guide column 412 guides from the first side portion 92, and the second pre-guide column 422 guides from the second side portion 93. Of course, when processing flywheel housings 9 of different models, the number of pre-guide columns can be set as needed.

[0041] Preferably, the first pre-guide column 412 is installed on the upper surface of the mounting plate 3 through the first mounting block 411, that is, the lower end of the first pre-guide column 412 is fixedly connected to the first mounting block 411; the second pre-guide column 422 is installed on the upper surface of the mounting plate 3 through the second mounting block 421, that is, the lower end of the second pre-guide column 422 is fixedly connected to the second mounting block 421.

[0042] Preferably, the first mounting block 411 can be detachably mounted on the mounting plate 3 , and the second mounting block 421 can be detachably mounted on the mounting plate 3 .

[0043] Further preferably, a strip hole is provided on the first mounting block 411, and a strip hole is provided on the second mounting block 421. The mounting positions of the first mounting block 411 and the second mounting block 421 on the mounting plate 3 can be adjusted through the strip holes.

[0044] Two lifting rings 10 are also provided on the upper surface of the mounting plate 3 .

[0045] The following is a detailed description of the process of machining the inner diameter of the large stopper 95 of the flywheel housing 9 using a vertical lathe:

[0046] The tooling of the utility model is installed on the vertical lathe, that is, the tooling is fixedly installed on the vertical lathe by bolts through the mounting holes 211 on the bottom plate 2, and then the flywheel housing 9 is placed on the tooling. When placing the flywheel housing 9, the placement of the flywheel housing 9 is pre-guided by the pre-guide structure, and then the diamond pin 6 and the round pin 7 are used for positioning, and the flywheel housing body is fixedly connected with the first support block A511 by the first bolt (not shown in the figure) through the first through hole 911 and the first support block A connection hole 5111; the flywheel housing body is fixedly connected with the first support block B512 by the second bolt (not shown in the figure) through the second through hole 912 and the first support block B connection hole; the flywheel housing body is connected with the first support block C513 by the third bolt (not shown in the figure) through the third through hole 913 and the first support block C connection hole. Then the flywheel housing body is fixedly installed on the mounting plate 3. The first set of adjusting screws 1 and the second set of adjusting screws 1 are used to adjust the front-to-back and left-to-right positions of the mounting plate 3, and then adjust the front-to-back and left-to-right positions of the flywheel housing 9, so that the center hole 94 of the flywheel housing 9 is aligned with the spindle of the vertical lathe, and the inner diameter of the large stop 95 of the flywheel housing 9 is processed.

[0047] The technical features named with serial numbers involved in this specification (first mounting block, first pre-guide column, second mounting block, second pre-guide column, first support block A, first support block A connecting hole, first support block B, first support block B connecting hole, first support block C, first support block C connecting hole, second support block A, second support block B, first through hole, second through hole, third through hole, fourth through hole, fifth through hole, first side, second side, first end, second end, etc.) are only for distinguishing the various technical features and do not represent the positional relationship, installation sequence and working sequence between the various technical features.

[0048] In the description of this specification, it should be understood that the orientation or positional relationship described by "bottom plate", "upper surface", "lower surface", "horizontal", "side wall", "outer peripheral surface", "inner side wall", "inner diameter" and "outer diameter" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0049] Although the specific implementation methods of the utility model are described above, those skilled in the art should understand that the described embodiments are only part of the implementation methods of the utility model, rather than all the implementation methods, which are only examples, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementation methods without departing from the principle and essence of the utility model and without any creative work, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A tool for processing a flywheel housing, wherein the flywheel housing processed by the tool comprises a flywheel housing body, wherein the flywheel housing body comprises a body connection end, wherein the body connection end is used to connect with the body of an engine; the body connection end has a body connection surface; the flywheel housing body further comprises a first side portion and a second side portion; wherein: The tooling includes a base plate and a mounting plate, wherein a protrusion is provided on the upper surface of the base plate, and a groove matching with the protrusion is provided on the lower surface of the mounting plate, wherein the inner diameter of the groove is larger than the outer diameter of the protrusion; four horizontal threaded holes are evenly distributed circumferentially on the mounting plate, wherein the first end of each threaded hole is connected to the outer circumferential surface of the mounting plate, and the second end of each threaded hole is connected to the inner side wall of the groove; an adjustment screw is threadedly connected in each threaded hole; and a support structure for supporting the flywheel housing is provided on the upper surface of the mounting plate.

2. The tooling for processing a flywheel housing according to claim 1, characterized in that: The support structure includes three first support blocks arranged on the upper surface of the mounting plate, and the three first support blocks are respectively a first support block A, a first support block B, and a first support block C; the first support block A is provided with a first support block A connecting hole, the first support block B is provided with a first support block B connecting hole, and the first support block C is provided with a first support block C connecting hole; the body connecting surface is provided with a first through hole, a second through hole, and a third through hole; when the tooling is used to process the flywheel housing, a first bolt is used to connect the flywheel housing body with the first support block A through the first through hole and the first support block A connecting hole; a second bolt is used to connect the flywheel housing body with the first support block B through the second through hole and the first support block B connecting hole; a third bolt is used to connect the flywheel housing body with the first support block C through the third through hole and the first support block C connecting hole.

3. The tooling for machining a flywheel housing as claimed in claim 2, characterized in that: The support structure also includes two second support blocks, which are respectively a second support block A and a second support block B. When the tooling is used to process the flywheel housing, the second support block A and the second support block B support the body connection surface.

4. The tooling for machining a flywheel housing according to claim 1, characterized in that: An auxiliary support structure is also provided on the upper surface of the mounting plate, and the auxiliary support structure includes an auxiliary support seat arranged on the upper surface of the mounting plate, and an auxiliary support column is also provided on the upper end of the auxiliary support seat; when the tooling is used to process the flywheel housing, the auxiliary support column supports the connecting end of the machine body.

5. The tooling for processing a flywheel housing according to claim 1, characterized in that: The upper surface of the mounting plate is also provided with a positioning structure; the body connecting surface has a fourth through hole; the positioning structure includes a circular pin arranged on the upper surface of the mounting plate, and when the tooling is used to process the flywheel housing, the circular pin is inserted into the fourth through hole.

6. The tooling for machining a flywheel housing as claimed in claim 5, characterized in that: The body connection surface has a fifth through hole; the positioning structure also includes a diamond pin arranged on the upper surface of the mounting plate, and when the tooling is used to process the flywheel housing, the diamond pin is inserted into the fifth through hole.

7. The tooling for machining a flywheel housing according to claim 1, characterized in that: A pre-guide structure is also provided on the upper surface of the mounting plate, and the pre-guide structure includes a first pre-guide column and a second pre-guide column installed on the upper surface of the mounting plate; when the flywheel housing is placed on the tooling, the first pre-guide column guides from the first side portion, and the second pre-guide column guides from the second side portion.

8. The tooling for machining a flywheel housing as claimed in claim 7, characterized in that: The first pre-guide column is installed on the upper surface of the mounting plate through a first mounting block; the second pre-guide column is installed on the upper surface of the mounting plate through a second mounting block.

9. The tooling for machining a flywheel housing as claimed in claim 8, characterized in that: The first mounting block is detachably mounted on the mounting plate, and the second mounting block is detachably mounted on the mounting plate.

10. The tooling for machining a flywheel housing according to claim 9, characterized in that: The first mounting block is provided with a strip-shaped hole; the second mounting block is provided with a strip-shaped hole.

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