Positioning device for axle housing machining feeding

Abstract

The utility model provides a positioning device for axle housing machining feeding, relates to the field of axle housing machining positioning, and adopts the technical scheme that the positioning device comprises a workbench and further comprises a positioning plate arranged on the workbench and used for abutting against the end face of an axle housing shaft head; the pushing assembly comprises a driving part, the driving part is arranged on the workbench and is opposite to the positioning plate, a piston rod of the driving part is connected with a pushing part, the pushing part is of a U-shaped structure, the pushing part is movably arranged on the workbench, and the pushing part is used for abutting against a flange plate of the axle housing; and the first supporting seat and the second supporting seat are arranged between the positioning plate and the pushing piece, the first supporting seat and the second supporting seat are each provided with a supporting groove, and the supporting grooves are used for supporting the two ends of the axle housing. According to the utility model, the finish-machined end face can be used as a positioning reference, so that the positioning precision of the axle housing is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge housing processing positioning field especially, relates to a kind of positioning device for bridge housing processing feeding. BACKGROUND

[0002] The processing procedure of bridge housing is different due to the type, material and specific production requirement of bridge housing, the manufacturing process of punch-welding bridge housing includes stamping procedure, welding procedure and mechanical processing procedure, the manufacturing process of cast bridge housing includes casting and machining procedure, wherein, mechanical processing procedure includes turning processing, rough turning and semi-precision turning two end shaft necks and flange, to provide positioning reference for subsequent procedure;Then, the outer circle of two end shaft necks is ground, and finally, the disc surface in the middle of bridge housing is processed;Processing disc surface is generally processed on vertical lathe, to improve processing efficiency, mechanical hand is generally used to realize bridge housing feeding.

[0003] In prior art, to ensure the accuracy of mechanical hand feeding and avoid collision with machine tool tooling, pre-positioning is needed on special feeding positioning tooling, and then mechanical hand is clamped and transported;Feeding positioning tooling includes U-shaped positioning plate and supporting piece, U-shaped positioning plate is abutted with bridge housing flange disc end surface to realize positioning, supporting piece is supported at the shaft head of two ends of bridge housing, the shaft head of one end is pushed to move bridge housing, until the flange disc of other end is abutted with U-shaped positioning plate, to complete positioning.

[0004] By using the above technical scheme, quick positioning can be realized, but since flange disc is welded part, it has large manufacturing error, using it as positioning reference causes large positioning error of bridge housing, so that there is still certain error in mechanical hand feeding, which affects the improvement of bridge housing manufacturing precision. UTILITY MODEL CONTENTS

[0005] To solve the technical problem of large positioning error of bridge housing feeding positioning device in prior art, the utility model provides a kind of positioning device for bridge housing processing feeding, can use the end surface after finishing as positioning reference, greatly improves the positioning precision of bridge housing.

[0006] The technical scheme adopted by the utility model to solve the above technical problem is as follows: a kind of positioning device for bridge housing processing feeding, including workbench, further including: positioning plate, the positioning plate is arranged on the workbench, and the positioning plate is used to abut with the end surface of bridge housing shaft head;Pushing assembly, the pushing assembly includes driving part, the driving part is arranged on the workbench and opposite to the positioning plate, the driving part is connected with pusher, the pusher is U-shaped structure, the pusher is movably arranged on the workbench, and the pusher is used to abut with the flange disc of bridge housing;Supporting seat one and supporting seat two, the supporting seat one and the supporting seat two are arranged between the positioning plate and the pusher, the supporting seat one and the supporting seat one are all provided with supporting groove, and the supporting groove is used to support the two ends of bridge housing.

[0007] The utility model discloses through the cooperation of positioning board and propulsion assembly, realize with axle head end face of axle housing as reference position, and axle head end face is finish machining surface, compared with using flange end face to position, improve the positioning accuracy, greatly improve the positioning accuracy of axle housing, avoid axle housing feeding collision and reduce the processing error.

[0008] Further, the pusher includes a moving plate connected to the piston rod of the drive member and arranged on the workbench through a guide rail, and the moving plate is provided with a push plate at each end, and the end face of the push plate can abut against the flange end face of the axle housing.

[0009] Further, the push plate end face is provided with a positioning pin, and the positioning pins on the two push plates are horizontally symmetrically arranged about the axle head axis of the axle housing, the positioning pin can extend into the hole of the flange of the axle housing, and the end of the positioning pin is a conical structure.

[0010] The symmetrically arranged positioning pins can correct the axle housing on one hand, so that the to-be-processed disc face is in a horizontal state, and on the other hand, prevent the axle housing from deflecting, so that the to-be-processed disc face is in a horizontal state, and the processing precision is improved.

[0011] Further, the end face of the push plate on which the positioning pin is installed is further provided with a backing plate, and the backing plate can abut against the flange end face of the axle housing.

[0012] The utility model discloses a backing plate is arranged, plays the role of buffering the thrust of the drive member, and avoids hard collision.

[0013] Further, the lower part of the push plate is provided with an adjusting plate, the adjusting plate is detachably connected with the moving plate, the adjusting plate is provided with a connecting hole, the connecting hole is a straight slot hole, the length direction of the connecting hole is consistent with the width direction of the workbench, and a plurality of mounting holes are arranged on the push plate, and the positioning pin is detachably arranged in one of the mounting holes.

[0014] The utility model discloses that the connecting hole is arranged as a straight slot hole, so that the spacing of the two push plates can be adjusted, and the position of the positioning pins on both sides of the axle housing can be adjusted, so that the flange of different diameters can be matched, and the application range of the device is expanded.

[0015] Further, a plurality of support rods are arranged on the workbench and between the support seat one and the support seat two, the bottom of the support rod is provided with a mounting seat, the support rod is movably arranged on the mounting seat, the mounting seat is arranged on the workbench, the plurality of support rods are symmetrically arranged about the axle head axis of the bridge shell, a support spring is sleeved on the support rod, the lower end of the support spring abuts against the mounting seat, and the upper end of the support spring abuts against the top end of the support rod.

[0016] The plurality of symmetrically arranged liftable support rods can enhance the support effect on the bridge shell, and the support spring can adjust the disc surface state in cooperation with the positioning pin, reduce the stress of the positioning pin in the adjustment process, and adapt to the manufacturing error of the bridge shell body, so that the positioning pin is not subjected to large counterforce.

[0017] Further, the top of the support rod is provided with a ball seat, and the upper end of the support spring abuts against the lower end surface of the ball seat.

[0018] The ball seat is arranged, so that the bridge shell is prevented from being scratched by the support rod during movement, and the appearance quality is affected.

[0019] Further, the support groove is a V-shaped groove, and the support groove and the positioning plate are both provided with a protective plate.

[0020] The protective plate is arranged, so that the bridge shell is prevented from being scratched by the support rod during movement, and the appearance quality is affected.

[0021] Further, one side of the workbench is provided with an inductor, the inductor is used for sensing whether the bridge shell is placed on the workbench, and the workbench is further provided with a position sensor, the position sensor is electrically connected with a controller, and the position sensor is used for detecting the flange plate of the bridge shell.

[0022] The inductor and the position sensor are arranged, so that automatic control is realized.

[0023] Further, the workbench is provided with an avoiding groove.

[0024] The avoiding groove is arranged, so that interference with the middle part of the shell body of the bridge shell is avoided, the device is suitable for positioning disc type bridge shells and drum type bridge shells, and the universality of the device is improved.

[0025] As can be seen from the above technical scheme, the device has the following advantages:

[0026] The utility model provides a kind of positioning device for bridge housing processing feeding, by the cooperation of positioning plate and propulsion component, realize with bridge housing axle head end face as reference to position, axle head end face belongs to finish machining surface, compared with using flange end face to position, improve the positioning accuracy, greatly improve the positioning accuracy of bridge housing, avoid bridge housing feeding collision and reduce processing error;By the positioning pin of symmetrical arrangement, on the one hand, can play the role of correcting bridge housing, so that the disc surface to be processed is in horizontal state, ensure the other hand, prevent bridge housing deflection, guarantee the disc surface to be processed is in horizontal state, improve processing accuracy;By setting backing plate, play the role of buffer driving piece thrust, avoid hard collision;By being set as straight slot hole with connecting hole, the spacing of two push plates can be adjusted, and then the position adjustment of positioning pin on both sides of bridge housing is realized, and it is adapted with flange of different diameters, expand the application range of the device;By the multiple liftable support rods of symmetrical arrangement, on the one hand, strengthen the support effect to bridge housing, on the other hand, by setting support spring, disc surface state can be adjusted with positioning pin, reduce the stress of positioning pin in adjustment process, also adapt to manufacturing error at the shell body of bridge housing, avoid that positioning pin is subjected to greater reaction force;By setting ball seat, prevent bridge housing from being scratched by support rod in moving process, affect appearance quality;By setting protective plate, prevent bridge housing from being scratched by support rod in moving process, affect appearance quality;By setting inductor and position sensor, realize automatic control;By setting avoiding groove, interference with the middle part of shell of bridge housing can be avoided, suitable for disc type bridge housing and drum type bridge housing positioning use, improve the versatility of the device. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the utility model, the following will be briefly introduced the drawings needed to be used in the description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0028] Figure 1 For the structure diagram of the embodiment one of the utility model Figure 1 .

[0029] Figure 2 For the structure diagram of the embodiment one of the utility model Figure 2 .

[0030] Figure 3 For the structure diagram of the embodiment two of the utility model.

[0031] Figure 4 For Figure 3 Enlarged view of A in the figure.

[0032] Figure 5The assembling structure schematic view of the support rod, the support spring and the ball seat in the second embodiment of the present application is shown.

[0033] In the figure, 1 is a positioning plate, 2 is a support seat one, 3 is a workbench, 4 is a support rod, 5 is an avoiding groove, 6 is a support seat two, 7 is a pushing piece, 701 is a pushing plate, 702 is a moving plate, 703 is a positioning pin, 704 is an adjusting plate, 8 is a driving piece, 9 is a ball seat, and 10 is a support spring. DETAILED DESCRIPTION

[0034] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the present application will be described clearly and completely in combination with the drawings in the embodiments. Obviously, the following described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present patent, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present patent. DETAILED DESCRIPTION

[0036] As shown in Figure 1 and Figure 2 , the present embodiment provides a positioning device for axle housing machining and feeding, which comprises a workbench 3, a positioning plate 1, a pushing assembly, a support seat one 2 and a support seat two 6. The positioning plate 1 is arranged on the workbench 3 and is used for abutting against the end face of the axle head of the axle housing. The pushing assembly comprises a driving piece 8, which is arranged on the workbench 3 and opposite to the positioning plate 1. The driving piece 8 is connected with a pushing piece 7, which is in U-shaped structure and movably arranged on the workbench 3. The pushing piece 7 is used for abutting against the flange plate of the axle housing. The support seat one 2 and the support seat two 6 are arranged between the positioning plate 1 and the pushing piece 7. Both the support seat one 2 and the support seat two 6 are provided with support grooves for supporting both ends of the axle housing. In the present embodiment, the driving piece 8 is a pneumatic cylinder.

[0037] The present embodiment realizes positioning with the end face of the axle head of the axle housing as the reference through cooperation of the positioning plate 1 and the pushing assembly. The end face of the axle head is a finish machining surface. Compared with positioning with the flange plate end face, the positioning precision is improved, the positioning precision of the axle housing is greatly improved, and the feeding collision of the axle housing and the machining error are avoided.

[0038] As shown in Figure 1 and Figure 2As shown, due to different sizes of the axle housing, the shaft head diameters are different, in order to avoid interference, the pusher 7 comprises a moving plate 702 connected with the piston rod of the driving member 8 and arranged on the workbench 3 through a guide rail, the moving plate 702 is provided with a push plate 701 at each end, the end face of the push plate 701 can abut against the end face of the axle housing flange, the lower part of the push plate 701 is provided with an adjusting plate 704 which is detachably connected with the moving plate 702, the adjusting plate 704 is provided with a connecting hole, the connecting hole is a straight slot hole, the length direction of the connecting hole is consistent with the width direction of the workbench 3; after being arranged in this way, the distance between the two push plates 701 can be adjusted as needed, which improves the use range of the device; as a preferred, the end face of the push plate 701 on which the positioning pin 703 is installed is further provided with a backing plate, the backing plate is made of rubber material, the backing plate can abut against the end face of the axle housing flange, by arranging the backing plate, the pushing force of the driving member 8 is buffered, and hard collision is avoided.

[0039] As shown in Figure 1 and Figure 2 When the axle housing is placed on the support seat one 2 and the support seat two 6, there is a high possibility that the axle housing has a certain angular deviation, so that the disc surface to be machined is deflected at a small angle, in a tilting state towards one side, if the adjustment is not carried out, the machining precision of the disc surface will be affected, especially the flatness, and when the manipulator transfers and loads, the end clamp will also cause the axle housing to be slightly deflected, therefore, in the specific embodiment, the push plate 701 is provided with a positioning pin 703 on the end face, the positioning pins 703 on the two push plates 701 are arranged in horizontal symmetry about the axle head axis of the axle housing, the positioning pin 703 can extend into the hole of the axle housing flange, and the end part of the positioning pin 703 is in a conical structure; in this way, after the positioning pin 703 extends into the flange, the rotation correction of the axle housing can be realized, so that the disc surface is in a horizontal state; further, in order to adapt to the change of the size of the axle housing of different models, a plurality of mounting holes are arranged on the push plate 701, one of the mounting holes is detachably provided with the positioning pin 703, the position of the positioning pin 703 and the positioning pin 703 with different diameters can be replaced.

[0040] In the specific embodiment, the support groove is a V-shaped groove, and the support groove and the positioning plate 1 are both provided with a protective plate, which prevents the axle housing from being scratched by the support rod 4 during movement and affecting the appearance quality.

[0041] In order to realize automatic control, the workbench 3 is provided with an inductor on one side, which is used to induct whether the bridge shell is placed on the workbench 3, and the inductor is electrically connected with a controller, and the controller is electrically connected with the driving part 8. The inductor is selected as an infrared proximity switch, and a laser transmission sensor can also be selected. The workbench 3 is provided with a position sensor on the same side as the inductor. The position sensor is electrically connected with the controller. The position sensor adopts an infrared proximity switch. When the flange plate is pushed to contact the support seat two 6, the position sensor can detect the flange plate, control the cylinder to retract, and avoid damaging the support seat two 6 and the positioning plate 1. The emitting head of the position sensor is located at the rear of the support seat two 6, and the distance is not more than the thickness of the flange plate. When the flange plate is not moved to the support seat two 6, the light emitted by the position sensor cannot be reflected.

[0042] As shown in Figure 2 , because the middle shell of different models of bridge shells has different sizes and different distances from the workbench 3, especially the drum-type bridge shell with a large belly, in order to avoid interference with the workbench 3 and expand the application range of the device, the workbench 3 is provided with a avoiding groove 5.

[0043] In the specific embodiment, in order to realize modular installation, the support seat one 2 and the positioning plate 1 are arranged on the same bottom plate, and the support seat two 6 and the pushing assembly are arranged on another bottom plate. The two bottom plates are installed at two ends of the workbench 3. Specific embodiment two

[0045] As shown in Figures 3 to 5 , the specific embodiment provides a positioning device for bridge shell machining and feeding, which is basically the same as the specific embodiment one, and the difference lies in that: it further comprises a plurality of support rods 4, which are arranged on the workbench 3 and located between the support seat one 2 and the support seat two 6. The bottom of the support rod 4 is provided with a mounting seat, and the support rod 4 is movably arranged on the mounting seat. The mounting seat is arranged on the workbench 3. A plurality of support rods 4 are symmetrically arranged about the axis of the bridge shell shaft head. The support rod 4 is sleeved with a support spring 10. The lower end of the support spring 10 abuts against the mounting seat, and the upper end of the support spring 10 abuts against the top end of the support rod 4. The support rod 4 abuts against the shell of the bridge shell. In the specific embodiment, the support rod 4 is provided with four support rods.

[0046] The specific embodiment is provided with the support rod 4, which can enhance the support of the bridge shell, reduce the friction received by the support seat one 2 and the support seat two 6, facilitate the horizontal pushing of the bridge shell for positioning, and adjust the disc surface state by cooperating with the positioning pin 703, reduce the stress of the positioning pin 703 in the adjustment process, and adapt to the manufacturing error of the arc surface of the bridge shell shell, so as to avoid the deformation of the positioning pin 703 due to the large reaction force.

[0047] As Figure 5 shown, as preferred, the support rod 4 top is provided with a ball seat 9, and the upper end of the support spring 10 abuts the lower end face of the ball seat 9.

[0048] The working process of the positioning device is as follows:

[0049] After placing the bridge shell, the inductor detects the bridge shell, the controller controls the piston rod of the driving member 8 to extend and push the driving member 7 to approach the flange of the bridge shell, the positioning pin 703 gradually penetrates into the corresponding hole of the flange, and the position of the bridge shell is corrected, and the corresponding support rod 4 is lifted under the action of the support spring 10, the driving member 8 continues to extend, the push plate 701 abuts the end face of the flange, and the bridge shell is pushed to approach the positioning plate 1, until the end face of the shaft head abuts the positioning plate 1; the driving member 8 is retracted.

[0050] As can be seen from the above specific embodiments, the utility model has the following beneficial effects:

[0051] 1. By the cooperation of the positioning plate 1 and the pushing assembly, the shaft head end face of the bridge shell is used as a reference for positioning, the shaft head end face is a finish machining surface, compared with using the flange end face for positioning, the positioning accuracy is improved, the positioning accuracy of the bridge shell is greatly improved, the loading collision of the bridge shell is avoided, and the machining error is reduced;

[0052] 2. By the symmetrically arranged positioning pins 703, on the one hand, the bridge shell can be corrected, so that the machined disc surface is in a horizontal state, and on the other hand, the bridge shell is prevented from deflecting, so that the machined disc surface is in a horizontal state, and the machining accuracy is improved;

[0053] 3. By arranging the gaskets, the pushing force of the driving member 8 is buffered, and hard collision is avoided; by arranging the connecting holes as straight slot holes, the distance between the two push plates 701 can be adjusted, so that the positions of the positioning pins 703 on both sides of the bridge shell can be adjusted, and the device is adapted to flanges with different diameters, and the application range of the device is expanded;

[0054] 4. By the symmetrically arranged multiple liftable support rods 4, on the one hand, the support effect on the bridge shell is enhanced, and on the other hand, by arranging the support springs 10, the disc surface state can be adjusted in cooperation with the positioning pins 703, the stress of the positioning pins 703 in the adjustment process is reduced, and the device is adapted to the manufacturing error at the bridge shell body, so that the positioning pins 703 are not subjected to a large counterforce;

[0055] 5. By arranging the ball seat 9, the bridge shell is prevented from being scratched by the support rod 4 during movement, and the appearance quality is affected;

[0056] 6. By arranging the protective plate, the bridge shell is prevented from being scratched by the support rod 4 during movement, and the appearance quality is affected;

[0057] 7. By setting the inductor and the position sensor, the automation control is realized; by setting the avoiding groove 5, the interference with the middle part of the housing of the axle housing is avoided, the positioning use for the disc type axle housing and the drum type axle housing is suitable, and the universality of the device is improved.

[0058] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A positioning device for axle housing machining feeding, comprising a workbench (3), characterized in that, Also include: Positioning plate (1), the positioning plate (1) is arranged on the workbench (3), the positioning plate (1) is used to be opposite with axle head end surface of axle housing; Propelling assembly, the propelling assembly includes drive piece (8), the drive piece (8) is arranged on the workbench (3) and is opposite with the positioning plate (1), the drive piece (8) is connected with pusher (7), the pusher (7) is U-shaped structure, the pusher (7) is movably arranged on the workbench (3), the pusher (7) is used to be opposite with the flange of axle housing; Support seat one (2) and support seat two (6), the support seat one (2) and the support seat two (6) are arranged between the positioning plate (1) and the pusher (7), the support seat one (2) and support seat one (2) are all arranged support groove, the support groove is used to support both ends of axle housing.

2. The positioning device for feeding axle housing for machining according to claim 1, wherein, The pusher (7) includes moving plate (702), the moving plate (702) is connected with the piston rod of the drive piece (8) and is arranged on the workbench (3) through guide rail, the moving plate (702) both ends are provided with pusher plate (701) respectively, the end face of the pusher plate (701) can be opposite with axle housing flange end surface.

3. The positioning device for feeding axle housing for machining according to claim 2, wherein, The pusher plate (701) end face is provided with positioning pin (703), the positioning pin (703) on two pusher plates (701) is horizontally symmetrically arranged about axle head axis, the positioning pin (703) can be inserted into the hole of axle housing flange, the end of the positioning pin (703) is conical structure.

4. The positioning device for feeding axle housing for machining according to claim 3, wherein, The end face of the pusher plate (701) where the positioning pin (703) is installed is further provided with a backing plate, and the backing plate can be abutted with the end face of the axle housing flange.

5. The positioning device for feeding axle housing for machining according to claim 4, wherein, The lower part of the pusher plate (701) is provided with an adjusting plate (704), the adjusting plate (704) is detachably connected with the moving plate (702), the adjusting plate (704) is provided with a connecting hole, the connecting hole is a straight slot hole, the length direction of the connecting hole is consistent with the width direction of the workbench (3), and a plurality of mounting holes are provided on the pusher plate (701), one of the mounting holes is detachably provided with the positioning pin (703).

6. The positioning device for feeding axle housing for machining according to any one of claims 3-5, characterized in that, A plurality of support rods (4) are further included, the support rods (4) are arranged on the workbench (3) and located between the support seat one (2) and the support seat two (6), the bottom of the support rod (4) is provided with a mounting seat, the support rod (4) is movably arranged on the mounting seat, the mounting seat is arranged on the workbench (3), a plurality of the support rods (4) are symmetrically arranged about the axle head axis, a support spring (10) is sleeved on the support rod (4), the lower end of the support spring (10) is abutted with the mounting seat, the upper end of the support spring (10) is abutted with the top end of the support rod (4), and the support rod (4) is abutted with the shell of the axle housing.

7. The positioning device for feeding axle housing for machining according to claim 6, wherein, The top of the support rod (4) is provided with a ball seat (9), and the upper end of the support spring (10) is abutted with the lower end face of the ball seat (9).

8. The positioning device for feeding axle housing to a processing machine according to claim 1, wherein, The support groove is a V-shaped groove, and a protective plate is arranged on the support groove and the positioning plate (1).

9. The positioning device for feeding axle housing to a processing machine according to claim 1, wherein, A sensor is arranged on one side of the workbench (3), and the sensor is used for sensing whether the bridge housing is placed on the workbench (3). A position sensor is further arranged on the workbench (3) and electrically connected with a controller. The position sensor is used for detecting the bridge housing flange.

10. The positioning device for axle housing processing and feeding according to claim 9, wherein, An avoiding groove is arranged on the workbench.

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