CN222511573U - Automobile power assembly shell part clamp - Google Patents

Abstract

The utility model relates to the technical field of automobile part machining and discloses an automobile power assembly shell part clamp which comprises a part body, wherein a hole is machined in the center of the part body, a part to be machined is arranged on the surface of the part body, the part body and the part to be machined are integrally formed, the clamp body is connected with a lathe flange plate, an angle iron is connected to the surface of one side of the clamp body, far away from the lathe flange plate, through bolts, a positioning sleeve is fixedly arranged on the surface of one side of the angle iron, the positioning sleeve and the clamp body are mutually perpendicular, and the part body is arranged on the inner side of the positioning sleeve. The clamp for the shell parts of the automobile power assembly solves the problems that the existing scribing and aligning processing method has poor processing precision and low efficiency in the processing process of the shell parts of the automobile power assembly, particularly when processing parts with complex structures, thin-wall designs and poor rigidity.

Description

Automobile power assembly shell part clamp

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to an automobile power assembly shell part clamp.

Background

In the manufacturing process of automobile power assemblies, a complex housing part (shown in fig. 1) is encountered, the part has been processed to include a hole with a diameter of 120mm and an end face thereof, a hole with a diameter of 97H7, an outer circle with a diameter of 100f7 and an end face thereof, however, the current task is to process a hole with a diameter of 52H7, which is critical to the performance and precision of the whole part, and the structural design of the part is complex and comprises a plurality of holes with different diameters and precision and the outer circle, which greatly increases the difficulty of subsequent processing, and further has the challenge that the part is of thin-wall design and has poor rigidity, and the part is easily deformed due to uneven stress during the processing, so that the processing precision is directly affected.

In the prior art, for machining complex housing parts in an automobile power assembly, particularly in the case of machining a hole with the diameter of 52H7, a four-axis numerical control machining center is generally adopted to perform alignment according to a scribing method, however, the machining mode has obvious defects and shortcomings when facing the characteristics and requirements of the parts, and is mainly characterized in two aspects of poor machining precision and low efficiency;

Firstly, the scribing and alignment processing method relies on manual scribing and alignment, so that larger human errors are introduced, particularly when a part with a complex structure is processed, the precision of scribing and alignment is difficult to ensure due to the variety of shapes and sizes of the part, in addition, the rigidity is poor due to the thin-wall design of the part, the deformation of the part possibly caused by uneven stress in the scribing and alignment process is further reduced;

Secondly, the scribing and aligning processing method is low in efficiency, a plurality of steps such as scribing, aligning and debugging are needed before processing, a great deal of manpower and time are needed to be consumed in the steps, meanwhile, the processing precision is difficult to ensure, and repeated reworking and correction are possibly needed, so that the production efficiency is further reduced, and in a modern manufacturing environment with high automation, the processing mode depending on manpower and repeated labor obviously cannot meet the production requirement.

Disclosure of utility model

(One) solving the technical problems

The utility model aims to solve the problems of poor machining precision and low efficiency of the existing scribing and aligning machining method in the machining process of the automobile power assembly shell part, particularly in the process of processing the part with a complex structure, a thin-wall design and poor rigidity.

(II) technical scheme

The technical scheme for solving the technical problems is as follows:

A fixture for the part of the shell of power assembly of car is composed of a main body with a hole at its center, a part to be processed on its surface, a part integrally formed with said part to be processed,

The fixture body is connected with the lathe flange plate;

the angle iron is connected to the surface of one side of the clamp body, which is far away from the lathe flange, through a bolt;

The positioning sleeve is fixedly arranged on one side surface of the angle iron and is perpendicular to the clamp body, the part body is arranged on the inner side of the positioning sleeve, and the part to be processed and the clamp body are perpendicular to each other;

The floating V-shaped clamping piece is arranged on the surface of the angle iron and is used for being abutted to the lower part of the part to be processed;

The opening gasket is arranged on the surface of one side of the part body, which is far away from the positioning sleeve;

The locking piece is arranged on the inner side of the opening gasket, one end of the locking piece is connected with the angle iron, and the locking piece is matched with the opening gasket to limit the part body and the part to be processed to the surface of the positioning sleeve;

The elastic clamping piece is arranged on the opening gasket and is used for being abutted to the upper part of the part to be processed, and the part body is limited to axially rotate and displace under the clamping cooperation of the floating V-shaped clamping piece and the elastic clamping piece, so that the limit and the fixation of the part to be processed are realized.

On the basis of the technical scheme, the utility model can be improved as follows.

Furthermore, a configuration block is connected to one side surface of the clamp body, which is close to the angle iron, through a hexagon bolt, and a conical surface and a bolt connection hole which are matched with the positioning end of the lathe flange are processed on one side surface of the clamp body, which is far away from the angle iron.

Still further, the floating V-clamp includes:

The guide rods are arranged in number, one end of each guide rod penetrates through the surface of the angle iron and is fixedly arranged on the surface of the angle iron, the two guide rods are perpendicular to the angle iron, and the two guide rods are parallel to each other;

A V-shaped clamping member arranged outside the two guide rods and capable of sliding vertically along the height direction of the guide rods, wherein the V-shaped inclined surface of the V-shaped clamping member contacts the surface of the part to be processed, and

And the springs are sleeved on the outer sides of the guide rods, the number and the distribution positions of the springs are matched with the guide rods, one ends of the springs are in contact with the surfaces of the angle irons, the other ends of the springs are in contact with the end surfaces of the V-shaped clamping pieces, and the V-shaped clamping pieces are abutted to the outer sides of the parts to be processed under the elastic driving of the springs.

Furthermore, the outside processing of guide bar has the spacing groove, and wherein the joint has the jump ring in the spacing groove, and V type holder is located between jump ring and the spring.

Furthermore, a notch channel for the passage of the locking piece is processed on the surface of the opening gasket, the locking piece is positioned at the inner side of the notch channel, a connecting hole matched with the locking piece is processed on the surface of the angle iron, and one side surface of the opening gasket, which is close to the part body, is in contact with the end surface of the part body.

Still further, the elastic clamping member includes:

The support is fixedly arranged on the outer side of the opening gasket and is integrally formed with the opening gasket;

the movable rod is arranged on the support in a penetrating manner and can vertically slide and displace relative to the support;

A clamping and fixing member fixedly installed on one side end of the movable rod, one side surface of the clamping and fixing member, which is close to the part to be processed, and contacts with the outer side of the part to be processed, and

And the elastic piece is sleeved on the outer side of the movable rod, one end of the elastic piece is in contact with the support, the other end of the elastic piece is in contact with the clamping and fixing piece, and the elastic piece is driven by the elasticity of the elastic piece to abut the clamping and fixing piece on the outer side of the part to be processed.

Furthermore, the support and the movable rod are mutually perpendicular, wherein the outer part of the movable rod is also fixedly provided with a limiting pin in a penetrating way, the limiting pin is positioned above the support, and the shape of one end of the clamping fixing piece, which is close to the part to be processed, is matched with the shape of the outer surface of the part to be processed.

(III) beneficial effects

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

Firstly, the fixture realizes the high-precision positioning of the part body by the positioning sleeve fixedly arranged on the angle iron, ensures that the part is positioned at a precise machining position, thereby effectively reducing errors caused by manual scribing and alignment, greatly improving the machining precision, secondly, the smart matching of the floating V-shaped clamping piece and the elastic clamping piece of the fixture ensures the stable clamping of the part to be machined in the machining process, prevents the occurrence of axial rotation displacement, and obviously reduces the deformation possibly caused by insufficient rigidity of the part by uniformly distributed clamping force, which is particularly important for the machining of thin-wall parts, greatly improves the machining precision, ensures the final quality of the part, fully considers the requirements of automatic and quick clamping in the design of the fixture, and has the structures of tight connection of the fixture body and a lathe flange, bolt fixation of the angle iron and the fixture body and the like, the fixture can be quickly and accurately mounted on a lathe, the clamping time is greatly shortened, meanwhile, the floating V-shaped clamping piece and the elastic clamping piece are convenient to operate, the fixing and the adjusting of parts are simple and quick, the overall machining efficiency is further improved, more importantly, through the automatic and quick clamping design of the fixture, the fixture obviously reduces the requirements on the skill level of operators, and reduces complicated steps such as manual scribing, alignment and debugging, so that the labor cost is reduced, meanwhile, the design also reduces errors and uncertainty caused by manual operation, the stability and the reliability of a production line are improved, and finally, key components such as a locating sleeve, the floating V-shaped clamping piece, the elastic clamping piece and the like in the fixture have high replaceability, the fixture can be flexibly adjusted or replaced according to different part sizes and shapes, so that the fixture has extremely strong adaptability.

Drawings

FIG. 1 is a schematic diagram of a connection structure between a prior art component and a part to be processed according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure between a part body and a portion to be processed according to the present utility model;

FIG. 3 is a schematic view of a connection structure between a clamp body and angle iron according to the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is a schematic view of the connection structure of the body and the positioning sleeve of the present utility model;

FIG. 6 is an enlarged view of the utility model at B in FIG. 5;

FIG. 7 is a schematic view of a connection structure of an split washer and a notched passage according to the present utility model;

Fig. 8 is a schematic cross-sectional connection structure of the present utility model.

The device comprises a part body 1, a part to be machined 2, a clamp body 3, angle irons 4, a locating sleeve 5, a floating V-shaped clamping piece 6, a guide rod 61, a V-shaped clamping piece 62, a spring 63, a spring 7, an opening washer 8, a locking piece 9, an elastic clamping piece 91, a support 92, a movable rod 93, a clamping fixing piece 94, an elastic piece 10, a hexagon bolt 11, a configuration block 12, a clamp spring 13, a notch channel 14 and a connecting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 8, the utility model relates to a fixture for a housing part of an automobile power assembly, which comprises a part body 1, wherein a hole is processed at the center of the part body 1, a part 2 to be processed is arranged on the surface of the part body, the part body 1 and the part 2 to be processed are integrally formed,

The clamp body 3 is connected with the lathe flange plate;

The angle iron 4 is connected to the surface of one side of the clamp body 3, which is far away from the lathe flange, through bolts;

The positioning sleeve 5 is fixedly arranged on one side surface of the angle iron 4 and is perpendicular to the clamp body 3, wherein the part body 1 is arranged on the inner side of the positioning sleeve 5, and the part to be processed 2 and the clamp body 3 are perpendicular to each other;

a floating V-shaped clamping member 6 disposed on the surface of the angle bar 4 and configured to abut under the portion to be processed 2;

An opening washer 7 arranged on the surface of one side of the part body 1 away from the positioning sleeve 5;

A locking member 8 disposed inside the split washer 7 and having one end connected to the angle iron 4, and cooperating with the split washer 7 to limit the part 1 and the portion 2 to be processed to the surface of the positioning sleeve 5;

The elastic clamping piece 9 is arranged on the opening gasket 7 and is used for being abutted to the upper side of the part 2 to be processed, wherein the part body 1 is limited to axially rotate and displace under the clamping cooperation of the floating V-shaped clamping piece 6 and the elastic clamping piece 9, so that the part 2 to be processed is limited and fixed.

Firstly, the fixture body 3 of the fixture is mutually connected with the lathe flange, ensuring that the whole fixture can be stably fixed on the lathe, then, the angle iron 4 is tightly connected on one side surface of the fixture body 3 far away from the lathe flange through bolts, a firm foundation is provided for subsequent clamping and positioning, a positioning sleeve 5 is fixedly arranged on one side surface of the angle iron 4, the positioning sleeve 5 is arranged in a mutually perpendicular manner with the fixture body 3, the part body 1 is accurately placed on the inner side of the positioning sleeve 5, the mutually perpendicular arrangement between the part to be processed 2 and the fixture body 3 is ensured, the stability and the accuracy of the part body 1 in the processing process are ensured, next, a floating V-shaped clamping piece 6 is arranged on the surface of the angle iron 4 and is abutted under the part to be processed 2, the design of the floating V-shaped clamping piece 6 allows fine adjustment according to the actual condition of the part body 1, thereby providing uniform and stable clamping force, preventing the part body 1 from generating axial rotation displacement during processing, simultaneously, the split washer 7 is placed on one side surface of the part body 1 far away from the positioning sleeve 5, providing a foundation for subsequent locking operation, the locking piece 8 is placed on the inner side of the split washer 7, one end of the locking piece 8 is mutually connected with the angle iron 4, the part body 1 and the part 2 to be processed are firmly limited on the surface of the positioning sleeve 5 through the matching of the locking piece 8 and the split washer 7, the stability and the processing precision of the clamp are further enhanced, finally, the elastic clamping piece 9 is arranged on the split washer 7 and is abutted above the part 2 to be processed, under the clamping matching of the floating V-shaped clamping piece 6 and the elastic clamping piece 9, the axial rotation displacement of the part body 1 is effectively limited, thereby realizing accurate limiting and fixing of the part 2 to be processed, the design ensures that the part body 1 cannot move or deform in the processing process, further improves the processing precision and efficiency, and on the whole, the automobile power assembly shell part clamp realizes the high-precision positioning and stable clamping of the part body 1 through the cooperative work of the clamp body 3, the angle iron 4, the positioning sleeve 5, the floating V-shaped clamping piece 6, the opening gasket 7, the locking piece 8, the elastic clamping piece 9 and other parts, effectively solves the technical problem of the automobile power assembly shell part clamp in the prior art, and improves the processing precision and efficiency.

The utility model can be further configured in a preferred embodiment as shown in fig. 1-8, wherein a configuration block 11 is connected to one side surface of the clamp body 3, which is close to the angle iron 4, through a hexagon bolt 10, a conical surface and a bolt connecting hole which are matched with the positioning end of a lathe flange are processed on one side surface of the clamp body 3, which is far away from the angle iron 4, a configuration block 11 is connected to one side surface of the clamp body 3, which is close to the angle iron 4, through the hexagon bolt 10, the configuration block 11 provides the function of balancing quality, the configuration block 11 can be replaced or adjusted according to different processing requirements so as to adapt to part bodies 1 with different shapes, sizes or processing requirements, the configuration block 11 can be firmly fixed on the clamp body 3 through the fastening of the hexagon bolt 10, the stability and the precision in the processing process are ensured, meanwhile, the conical surface and the bolt connecting hole which are matched with the positioning end of the lathe flange are processed on one side surface of the clamp body 3, which is far away from the angle iron 4, the design ensures that the clamp body 3 can be connected with the positioning end of the lathe flange accurately, the good positioning precision of the lathe flange is connected with the flange is not required, the fixture body 3 can be connected with the flange in a good way, and the connection precision is enabled by the flange is further, and the connection precision is not guaranteed, and the connection between the clamp body and the flange body is firmly can be firmly connected with the flange by the flange through the flange.

The utility model may be further configured in a preferred embodiment as shown in fig. 1 to 8, the floating V-clamp 6 comprising:

The number of the guide rods 61 is two, one end of the guide rods 61 penetrates through and is fixedly arranged on the surface of the angle iron 4, the two guide rods 61 are perpendicular to the angle iron 4, and the two guide rods 61 are parallel to each other;

A V-shaped clamping piece 62 arranged outside the two guide rods 61 and capable of sliding vertically along the height direction of the guide rods 61, wherein the V-shaped inclined surface of the V-shaped clamping piece 62 contacts with the surface of the part 2 to be processed, and

The spring 63 is sleeved on the outer side of the guide rod 61, the number and the distribution position of the spring 63 are matched with those of the guide rod 61, one end of the spring 63 is in contact with the surface of the angle iron 4, the other end of the spring 63 is in contact with the end surface of the V-shaped clamping piece 62, the V-shaped clamping piece 62 is abutted to the outer side of the part to be processed 2 under the elastic driving of the spring 63, the floating V-shaped clamping piece 6 mainly comprises the guide rod 61, the V-shaped clamping piece 62 and the spring 63, wherein the number of the guide rod 61 is two, one end of the guide rod 61 penetrates through and is fixedly arranged on the surface of the angle iron 4, the two guide rods 61 and the angle iron 4 are mutually perpendicular, and are mutually parallel, the arrangement mode not only ensures the stability of the V-shaped clamping piece 62 in the clamping process, but also allows the V-shaped clamping piece 62 to slide on the guide rod 61 in the vertical direction, the V-shaped clamping piece 62 is arranged on the outer sides of the two guide rods 61, the V-shaped clamping piece 62 can be adjusted according to the shape and the size of the part to be processed 2, the V-shaped inclined surface of the V-shaped clamping piece 62 is in contact with the surface of the part to be processed 2, the design can ensure the tight fit between the clamping piece and the part to be processed, displacement or shaking is prevented in the processing process, the spring 63 is sleeved on the outer sides of the guide rods 61, the number and the distribution positions of the spring 63 are matched with the guide rods 61, one end of the spring 63 is in contact with the surface of the angle iron 4, the other end of the spring 63 is in contact with the end surface of the V-shaped clamping piece 62, the V-shaped clamping piece 62 can always be abutted on the outer sides of the part to be processed 2 under the elastic driving of the spring 63, the design not only ensures the stability of clamping, but also can provide self-adaptive clamping force between the parts to be processed with different sizes and shapes, the universality and the adaptability of the clamp are enhanced.

In a preferred embodiment, as shown in fig. 1 to 8, the outside of the guide rod 61 is provided with a limit groove, wherein a clamp spring 12 is clamped in the limit groove, a V-shaped clamping piece 62 is positioned between the clamp spring 12 and a spring 63, the floating V-shaped clamping piece 6 is a core component in the clamp, and the stable clamping and the self-adaptive adjustment of the part to be processed 2 are realized through the guide rod 61, the V-shaped clamping piece 62, the spring 63, the newly added clamp spring 12 and other components, firstly, the guide rod 61 is a reference for sliding the V-shaped clamping piece 62, the outside of the guide rod 61 is provided with the limit groove, the limit groove has the function of limiting the sliding range of the V-shaped clamping piece 62 on the guide rod 61, so that the stability and the accuracy of the V-shaped clamping piece 62 in the clamping process are ensured, and the clamp spring 12 can effectively prevent the V-shaped clamping piece 62 from falling off from the guide rod 61 or from excessively displacing.

The utility model can be further configured in a preferred embodiment as shown in fig. 1-8, wherein a notch channel 13 for the locking piece 8 to pass through is formed on the surface of the split washer 7, wherein the locking piece 8 is positioned on the inner side of the notch channel 13, a connecting hole 14 matched with the locking piece 8 is formed on the surface of the angle iron 4, one side surface of the split washer 7, which is close to the part body 1, is contacted with the end surface of the part body 1, and the split washer 7 plays a key role in positioning and supporting in the design of the clamp. The surface of which is provided with a notched passage 13 for the passage of the locking element 8, which allows the locking element 8 to pass through the split washer 7 when the body 1 is secured, and to cooperate with the connecting hole 14 of the angle bar 4, so as to achieve a firm securing of the body 1. When the part body 1 needs to be fixed, the part body 1 is firstly placed on the inner side of the positioning sleeve 5, and the part 2 to be processed and the clamp body 3 are mutually perpendicular. Next, the split washer 7 is placed on the side surface of the body 1 away from the positioning sleeve 5, ensuring that the side surface of the split washer 7 near the body 1 and the end surface of the body 1 are in close contact with each other, and then the locking member 8 is passed through the notched passage 13 in the split washer 7 and one end thereof is fitted into the connecting hole 14 formed in the angle iron 4. The split washer 7 and the body 1 are firmly fixed to the angle iron 4 by rotating or tightening the locking member 8 to be tightly coupled with the coupling hole 14. This design allows the clamp to be adjusted and fixed for different sizes of part bodies 1. Due to the presence of the split washer 7, the locking member 8 can flexibly pass through the notched passage 13 and cooperate with the connecting hole 14, thereby achieving the fixation of the different-sized component body 1. At the same time, the close contact of the split washer 7 with the end face of the part body 1 also ensures the stability and accuracy of the part body 1 during processing, wherein the locking member 8 is preferably a bolt, and the connecting hole 14 is a bolt hole.

The utility model may in a preferred embodiment be further configured such that, as shown in fig. 1 to 8, the resilient clamp 9 comprises:

The seat 91 is fixedly arranged on the outer side of the split washer 7, and is integrally formed with the split washer 7;

the movable rod 92 is arranged on the support 91 in a penetrating manner and can vertically slide and displace relative to the support 91;

A clamping fixture 93 fixedly installed on one side end of the movable rod 92, one side surface thereof adjacent to the portion 2 to be processed being in contact with the outside of the portion 2 to be processed, and

The elastic piece 94 is sleeved on the outer side of the movable rod 92, one end of the elastic piece is contacted with the support 91, the other end of the elastic piece is contacted with the clamping fixing piece 93, the clamping fixing piece 93 is abutted against the outer side of the to-be-processed part 2 under the elastic drive of the elastic piece 94, the elastic clamping piece 9 is an important component part and is mainly responsible for providing stable and flexible clamping force for the to-be-processed part 2, ensuring that the to-be-processed part 2 can keep a fixed position in the processing process and can adapt to certain dimensional change, firstly, the support 91 of the elastic clamping piece 9 is fixedly arranged on the outer side of the split washer 7 and is integrally formed with the split washer 7, the design ensures that the elastic clamping piece 9 is tightly combined with the integral structure of the clamp, ensures the stability and reliability of clamping, then, the movable rod 92 is penetratingly arranged on the support 91 and can realize relative vertical sliding displacement with the support 91, the design enables the movable rod 92 to carry out self-adaptive adjustment according to the size change of the to-be-processed part 2, ensures that the clamping fixing piece 93 can be tightly attached to the outer side of the to-be-processed part 2 all the time, the clamping fixing piece 93 is fixedly arranged on one side end part of the movable rod 92, one side surface of the clamping fixing piece 93, which is close to the to-be-processed part 2, is mutually contacted with the outer side of the to-be-processed part 2, the shape and the material of the clamping fixing piece 93 are generally designed according to the specific condition of the to-be-processed part 2 so as to ensure that enough clamping force and adaptability can be provided, finally, the elastic piece 94 is sleeved on the outer side of the movable rod 92, one end of the elastic piece is mutually contacted with the support 91, the other end of the elastic piece 94 is mutually contacted with the clamping fixing piece 93, the clamping fixing piece 93 can be always pushed to the outer side of the to-be-processed part 2 under the elastic force of the elastic piece 94, so that the stable clamping of the to-be-processed part 2 is realized, meanwhile, due to the existence of the elastic piece 94, when the size of the part to be processed 2 changes, the clamping fixing piece 93 can adaptively adjust the position of the part to be processed to adapt to new size changes, so that the stability and reliability of clamping are ensured, in sum, the elastic clamping piece 9 realizes stable and flexible clamping of the part to be processed 2 through the synergistic effect of the movable rod 92 and the elastic piece 94, and the design not only ensures the fixed position of the part to be processed 2 in the processing process, but also can adapt to certain size changes, and improves the universality and adaptability of the clamp.

In a preferred embodiment, as shown in fig. 1 to 8, the support 91 and the movable rod 92 are vertically arranged, wherein a limiting pin is fixedly arranged on the outer part of the movable rod 92, the limiting pin is positioned above the support 91, one end of the clamping fixing member 93 close to the to-be-processed part 2 is matched with the outer surface of the to-be-processed part 2 in shape, in order to limit the sliding range of the movable rod 92 and ensure the stability and reliability of clamping, the limiting pin is fixedly arranged on the outer part of the movable rod 92, the limiting pin is positioned above the support 91, when the movable rod 92 slides to the maximum position, the limiting pin plays a blocking role, the movable rod 92 is prevented from excessively sliding, the clamping fixing member 93 is fixedly arranged on one side end part of the movable rod 92, and one end part of the clamping fixing member 93 close to the to-be-processed part 2 is matched with the outer surface of the to-be-processed part 2 in shape, so that a uniform and stable clamping force is provided, and meanwhile, the clamping fixing member 93 can be tightly adhered to the outer surface of the to be-processed part 2 in shape, and the clamping force is further matched with the outer surface of the to be-processed part 2 in shape or irregular.

The utility model relates to a specific working principle of a part clamp of an automobile power assembly shell, which comprises the following steps:

The automobile power assembly shell part clamp is mainly used for fixing and positioning the part body 1, in particular to a part 2 to be processed, and all components of the clamp work cooperatively to ensure the stability and the accuracy of the part body 1, thereby improving the processing efficiency and the processing accuracy,

Firstly, a part body 1 is placed on the inner side of a positioning sleeve 5, wherein a part to be processed 2 and a clamp body 3 are mutually perpendicular, the positioning sleeve 5 is fixedly arranged on one side surface of an angle iron 4, the angle iron 4 is connected with the clamp body 3 through a bolt, the other side of the clamp body 3 is connected with a lathe flange, and the whole clamp is firmly connected with a lathe through a conical surface and a bolt connecting hole on the clamp body 3;

Next, the floating V-shaped clamping member 6 is used for abutting to the lower part of the part to be processed 2, the floating V-shaped clamping member 6 is composed of a guide rod 61, a V-shaped clamping member 62 and a spring 63, the guide rod 61 penetrates through and is fixedly installed on the angle iron 4, the V-shaped clamping member 62 can slide vertically along the guide rod 61, the V-shaped inclined surface of the V-shaped clamping member 62 is tightly contacted with the surface of the part to be processed 2 under the elastic driving of the spring 63, stable clamping force is provided, and the limiting groove and the clamping spring 12 on the guide rod 61 ensure the stability and accuracy of the V-shaped clamping member 62 in the sliding process;

Meanwhile, the split washer 7 is placed on one side surface of the part body 1 far away from the positioning sleeve 5, a notch channel 13 is processed on the surface of the split washer 7, and the locking piece 8 passes through the notch channel 13 and is connected with the connecting hole 14 on the angle iron 4, so that the locking piece 8 cooperates with the split washer 7 to limit the part body 1 and the part 2 to be processed to the surface of the positioning sleeve 5, and the fixing effect of the clamp is further enhanced;

An elastic clamping piece 9 is arranged above the part to be processed 2, the elastic clamping piece 9 comprises a support 91, a movable rod 92, a clamping fixing piece 93 and an elastic piece 94, the support 91 is fixedly arranged on the outer side of the opening gasket 7, the movable rod 92 penetrates through the support 91 and can vertically slide relative to the support 91, the clamping fixing piece 93 is fixed on the movable rod 92, one side surface of the clamping fixing piece 93 is tightly contacted with the outer side of the part to be processed 2, the clamping fixing piece 93 is always abutted against the outer side of the part to be processed 2 under the elastic driving of the elastic piece 94, additional clamping force is provided, the sliding range is limited by a limiting pin on the movable rod 92, and the shape of the clamping fixing piece 93 is matched with the outer surface of the part to be processed 2, so that the clamping stability and accuracy are ensured;

In conclusion, the clamp realizes stable fixing and accurate positioning of the part body 1 through the synergistic effect of the positioning sleeve 5, the floating V-shaped clamping piece 6, the opening gasket 7, the locking piece 8, the elastic clamping piece 9 and other components, and in the machining process, the part body 1 is firmly fixed in the clamp, so that the machining quality and efficiency are ensured.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an automobile power assembly shell part fixture, includes a part body (1), wherein a hole is processed at the center of the part body (1), a part to be processed (2) is arranged on the surface of the part body, the part body (1) and the part to be processed (2) are integrally formed and arranged, and is characterized in that,

The fixture body (3) is connected with the lathe flange;

The angle iron (4) is connected to the surface of one side of the clamp body (3) far away from the lathe flange plate through bolts;

The positioning sleeve (5) is fixedly arranged on one side surface of the angle iron (4) and is arranged perpendicular to the clamp body (3), wherein the part body (1) is arranged on the inner side of the positioning sleeve (5), and the part to be processed (2) and the clamp body (3) are arranged perpendicular to each other;

A floating V-shaped clamping piece (6) which is arranged on the surface of the angle iron (4) and is used for being abutted to the lower part of the part (2) to be processed;

An opening gasket (7) is arranged on the surface of one side of the part body (1) far away from the positioning sleeve (5);

The locking piece (8) is arranged on the inner side of the opening gasket (7) and one end of the locking piece is connected with the angle iron (4) mutually, and the locking piece is matched with the opening gasket (7) to limit the part body (1) and the part to be processed (2) to the surface of the positioning sleeve (5);

The elastic clamping piece (9) is arranged on the opening gasket (7) and is used for being abutted to the upper portion of the portion (2) to be processed, wherein the part body (1) is limited to axially rotate and displace under the clamping cooperation of the floating V-shaped clamping piece (6) and the elastic clamping piece (9), and the limiting and fixing of the portion (2) to be processed are achieved.

2. The automobile power assembly shell part clamp according to claim 1, wherein a configuration block (11) is connected to one side surface of the clamp body (3) close to the angle iron (4) through a hexagonal bolt (10), and a conical surface and a bolt connecting hole matched with a positioning end of a lathe flange are machined on one side surface of the clamp body (3) far away from the angle iron (4).

3. An automotive powertrain housing part clamp according to claim 1, characterized in that the floating V-clamp (6) comprises:

The guide rods (61) are two in number, one end of each guide rod penetrates through the surface of the angle iron (4) and is fixedly arranged on the surface of the angle iron (4), the two guide rods (61) are perpendicular to the angle iron (4), and the two guide rods (61) are parallel to each other;

A V-shaped clamping member (62) arranged outside the two guide rods (61) and capable of sliding vertically along the height direction of the guide rods (61), wherein the V-shaped inclined surface of the V-shaped clamping member (62) is contacted with the surface of the part (2) to be processed, and

The spring (63) is sleeved on the outer side of the guide rod (61), the number and the distribution positions of the spring are matched with those of the guide rod (61), one end of the spring (63) is in contact with the surface of the angle iron (4), the other end of the spring (63) is in contact with the end surface of the V-shaped clamping piece (62), and the spring (63) drives the V-shaped clamping piece (62) to be abutted to the outer side of the part (2) to be processed.

4. A car power assembly housing part clamp according to claim 3, characterized in that a limiting groove is formed in the outer side of the guide rod (61), a clamping spring (12) is clamped in the limiting groove, and the V-shaped clamping piece (62) is located between the clamping spring (12) and the spring (63).

5. The automobile power assembly shell part clamp according to claim 1, wherein a notch channel (13) for a locking piece (8) to pass through is formed on the surface of the opening gasket (7), the locking piece (8) is located on the inner side of the notch channel (13), a connecting hole (14) matched with the locking piece (8) is formed on the surface of the angle iron (4), and the surface of one side, close to the part body (1), of the opening gasket (7) is in contact with the end face of the part body (1).

6. An automotive powertrain housing part clamp according to claim 1, characterized in that the elastic clamp (9) comprises:

The support seat (91) is fixedly arranged on the outer side of the split washer (7), and is integrally formed with the split washer (7);

The movable rod (92) is arranged on the support (91) in a penetrating manner and can vertically slide and displace relative to the support (91);

A clamping fixture (93) fixedly mounted on one side end of the movable rod (92) and contacting the outer side of the part (2) to be processed with one side surface of the part (2) to be processed

The elastic piece (94) is sleeved on the outer side of the movable rod (92), one end of the elastic piece is in contact with the support (91), the other end of the elastic piece is in contact with the clamping fixing piece (93), and the elastic piece (94) is driven by elasticity to enable the clamping fixing piece (93) to be abutted to the outer side of the portion to be processed (2).

7. The automobile power assembly shell part clamp according to claim 6, wherein the support seat (91) and the movable rod (92) are arranged vertically to each other, a limiting pin is fixedly arranged outside the movable rod (92) in a penetrating manner, the limiting pin is located above the support seat (91), and one end of the clamping fixing piece (93) close to the to-be-machined part (2) is matched with the outer surface of the to-be-machined part (2).