CN205651260U - Press from both sides dress system - Google Patents

Abstract

The utility model discloses a clamping system, which is used for the assembly of beam components or longitudinal beam components of a frame, comprising two oppositely arranged racks, each of which is equipped with a workpiece identification device, a length positioning device and a Width adjustment device; the workpiece identification device is used to identify the model of the beam assembly or the longitudinal beam assembly; the length positioning device is used to clamp the beam assembly or the longitudinal beam assembly in the length direction according to the model identified by the workpiece identification device; The width adjusting device is used to support the beam assembly or the longitudinal beam assembly, and adjust the distance between the two beams of the beam assembly or the two longitudinal beams of the longitudinal beam assembly in the width direction according to the model identified by the workpiece identification device. The clamping system is suitable for the clamping and positioning of crossbeam components or longitudinal beam components of different models, which is universal, can save tooling costs and improve work efficiency.

Description

a clamping system

technical field

The utility model relates to the technical field of rail vehicle manufacturing, in particular to a clamping system used for assembling a beam assembly or a longitudinal beam assembly of a frame.

Background technique

The bogie is one of the most important components of a rail vehicle. Whether its structure is reasonable or not directly affects the running quality, dynamic performance and driving safety of the rail vehicle. The frame is one of the important parts of the bogie, and it is the installation platform of each part of the bogie. It is used to connect the various parts of the bogie, transmit the force in all directions, and maintain the position of the axle on the bogie.

At present, all relevant parts of the frame need to be clamped and positioned by corresponding tooling during assembly. For the beam assembly of the frame, each beam assembly is composed of two beams and related parts on the two beams. When assembling, there is a corresponding position between the parts on one beam and the same part on the other beam. There are also certain components that are connected to two beams at the same time, so when assembling the beam assembly, in order to ensure the accuracy of the position of the relevant components, the two beams need to be positioned and clamped.

For the frames of different vehicle models, the structures of the crossbeam components are not the same. Therefore, when processing and assembling the beam components, special fixtures are used, that is, each vehicle type corresponds to one kind of fixtures.

In addition to the assembly of the beam assemblies described above, similar problems to those described above also exist for the stringer assemblies of the frame.

Therefore, how to design a clamping system that can be applied to the clamping of beam assemblies or longitudinal beam assemblies of different vehicle models is a technical problem that those skilled in the art need to solve.

Utility model content

The purpose of the utility model is to provide a clamping system, which is suitable for the clamping and positioning of beam assemblies or longitudinal beam assemblies of different vehicle models, has versatility, can save tooling costs, and improve work efficiency.

In order to solve the above-mentioned technical problems, the utility model provides a clamping system, which is used for the assembly of beam components or longitudinal beam components of the frame, including two oppositely arranged racks, each of which is equipped with a workpiece identification device , a length positioning device and a width adjustment device; the workpiece identification device is used to identify the model of the beam assembly or the longitudinal beam assembly; the length positioning device is used to clamp the beam assembly or the longitudinal beam assembly in the length direction according to the model identified by the workpiece identification device Longitudinal beam assembly; the width adjusting device is used to support the cross beam assembly or the longitudinal beam assembly, and adjust the distance between the two cross beams of the cross beam assembly or the two longitudinal beams of the longitudinal beam assembly in the width direction according to the model identified by the workpiece identification device.

When the clamping system provided by the utility model is applied to the assembly of the beam assembly, the beam assembly is first identified by the workpiece identification device to confirm the model of the beam assembly, so as to know the relevant parameters such as the length and spacing of the two beams in the beam assembly, The length positioning device adjusts according to the model identified by the workpiece identification device to clamp the beam assembly in the length direction, and the width adjustment device adjusts the distance between the two beams of the beam assembly in the width direction according to the model identified by the workpiece identification device, so as to facilitate the relative parts on the beam. Assembly; for the application of longitudinal beam assembly, it is similar to the above; it can be seen that the clamping system can be adjusted according to the type of the beam assembly or the longitudinal beam assembly to realize the clamping of the beam assembly or the longitudinal beam assembly, which is universal. The assembly cost can be saved and the assembly efficiency can be improved.

Optionally, each of the racks is further provided with a pressing device capable of vertical movement, so as to press and fix the beam assembly or the longitudinal beam assembly.

Optionally, the pressing device includes a pressing plate, a lead screw, and a motor that drives the lead screw to rotate; the pressing plate is fixedly connected to a movable seat assembly sleeved on the lead screw, and the movable seat assembly can move along the The screw moves vertically.

Optionally, the pressing device further includes a pressing force controller communicatively connected with the motor, which is used to adjust the pressing force on the beam assembly or the longitudinal beam assembly.

Optionally, the length positioning device includes a push plate and a first driving component, and the first drive component can drive the push plate to move in the length direction.

Optionally, the width adjustment device includes a mounting seat, and the mounting seat is symmetrically provided with two movable plates and a second driving part, and the two movable plates can be mutually moved along the width direction simultaneously under the drive of the second driving part. close to or away from each other.

Optionally, the second driving part includes a telescopic oil cylinder, the telescopic end of which is connected to a connecting rod, and the end of the connecting rod close to the telescopic oil cylinder is provided with a supporting base for supporting the first movable plate, and the connecting rod is far away from the connecting rod. One end of the telescopic oil cylinder is fixedly connected with a rack, and the rack meshes with a gear sleeved on the gear shaft, and the gear supports the second movable plate.

Optionally, guide grooves are also provided on the mounting base to guide the movement of the two movable plates.

Optionally, stop seats are symmetrically arranged on the two movable plates.

Optionally, a PLC main control system is also included, which is communicatively connected with the workpiece identification device, the length positioning device, the width adjustment device and the pressing device.

Description of drawings

Fig. 1 is a structural schematic diagram of the clamping beam assembly of the clamping system provided by the utility model;

Fig. 2 is a structural schematic diagram of the clamping longitudinal beam assembly of the clamping system provided by the utility model;

Fig. 3 is a schematic structural view of a specific embodiment of the clamping system provided by the present invention;

Fig. 4 is a structural schematic diagram of another angle of the clamping system shown in Fig. 3;

Fig. 5 is a schematic structural view of the length positioning device shown in Fig. 3;

Fig. 6 is a structural schematic diagram of the width adjusting device shown in Fig. 3;

7 and 8 both show schematic diagrams of the internal structure of the width adjusting device shown in FIG. 6 .

Explanation of reference signs:

The frame consists of 10, frame 11, workpiece identification device 12, length positioning device 13, width adjusting device 14, and pressing device 15;

Positioning seat 131, electromagnetic drive device 132, push plate 133;

Mounting seat 141, first movable plate 142a, second movable plate 142b, telescopic oil cylinder 143, support seat 144, connecting rod 145, rack 146, gear shaft 147, gear 1471, guide groove 148, stop seat 149, protective plate 1410;

Pressing plate 151, lead screw 152, motor 153, movable seat assembly 154, guide rail 155, pressing force controller 156;

Beam assembly 20, longitudinal beam assembly 30.

detailed description

In order to enable those skilled in the art to better understand the solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

The beam assembly of the bogie frame includes two beams and related parts installed on the two beams. These parts have a certain positional relationship on the two beams, or need to be connected with the two beams at the same time. Therefore, when assembling the beam assembly, it is necessary to Clamp and position it; similar to the assembly of the longitudinal beam assembly, it needs to be clamped and positioned.

The clamping system provided by the embodiment of the utility model is used for the assembly of the beam assembly or the longitudinal beam assembly, and has versatility, and is suitable for the beam assembly or the longitudinal beam assembly of different vehicle types.

Please refer to Figures 1-2, Figure 1 is a schematic structural diagram of the clamping beam assembly of the clamping system provided by the present invention; Figure 2 is a structural schematic diagram of the clamping longitudinal beam assembly of the clamping system provided by the present invention.

The clamping system includes two frame components 10, the two frame components 10 are arranged facing each other, and the structures of the two frame components 10 are exactly the same. FIG. 1 is a schematic diagram of the structure after clamping the beam assembly 20 , and FIG. 2 is a schematic diagram of the structure after clamping the longitudinal beam assembly 30 .

Please refer to Fig. 3-4 together. Fig. 3 is a schematic structural diagram of a specific embodiment of the clamping system provided by the present invention; Fig. 4 is a structural schematic diagram of another angle of the clamping system shown in Fig. 3 .

In this embodiment, the aforementioned frame composition 10 specifically includes a frame 11 on which a workpiece identification device 12 , a length positioning device 13 and a width adjustment device 14 are installed.

Among them, the workpiece identification device 12 is used to identify the model of the beam assembly 20 or the longitudinal beam assembly 30. After knowing the model of the beam assembly 20 or the longitudinal beam assembly 30, the two beams of the beam assembly 20 or the two longitudinal beams of the longitudinal beam assembly 30 can be known. The length of the beam, and the parameter information such as the distance between two beams or two longitudinal beams.

Wherein, the length positioning device 13 is used to adjust the position according to the model identified by the workpiece identifying device 12 so as to clamp the beam assembly 20 or the longitudinal beam assembly 30 in the length direction.

Wherein, the width adjusting device 14 is used to adjust the distance between the two beams of the beam assembly 20 or the two longitudinal beams of the longitudinal beam assembly 30 in the width direction according to the model identified by the workpiece identifying device 12 .

In this embodiment, the width adjusting device 14 is also used to support the beam assembly 20 or the longitudinal beam assembly 30 .

Here, the length direction refers to the length direction of the beam or the longitudinal beam.

When the clamping system is applied to the clamping of the beam assembly 20, after the beam assembly 20 is transported in place, the workpiece identification device 12 first identifies the beam assembly 20, obtains the model of the beam assembly 20, and obtains the related information of the beam assembly 20. parameter information, after that, the width adjusting device 14 adjusts the distance between the two beams of the beam assembly 20 according to the relevant parameter information, so that it matches the applied vehicle type, and finally, the length positioning device 13 clamps the beam in the length direction according to the relevant parameter information assembly 20 so that the ends of the two beams of the beam assembly 20 are flush.

It can be understood that, during application, the distance between the two cross beams of the cross beam assembly 20 is adjusted first, and then clamped. If the distance is clamped first, it is inconvenient or even impossible to adjust the distance.

It should be pointed out that when performing operations, the same components on the two frame components 10 are operated simultaneously to ensure the efficiency and accuracy of clamping.

The clamping of the longitudinal beam assembly 30 is similar to the clamping of the beam assembly 20 described above, and will not be repeated here.

It can be seen from the above that the clamping system can be adjusted according to the type of the beam assembly 20 or the longitudinal beam assembly 30 to realize the clamping of the beam assembly 20 or the longitudinal beam assembly 30, which is versatile, can save assembly costs, and improve assembly efficiency .

Furthermore, the clamping system also includes a PLC main control system, which is connected to the workpiece identification device 12, the length positioning device 13 and the width adjustment device 14, so that each device can be controlled, which is conducive to automatic operation and systematization operate.

Specifically, the models of the beam assembly 20 or the longitudinal beam assembly 30 of different vehicle types and the parameter information corresponding to the models can be pre-stored in the PLC main control system. After the workpiece identification device 12 recognizes the model of the beam assembly 20 or the longitudinal beam assembly 30, it will feedback To the PLC main control system, after the PLC main control system retrieves the corresponding parameter information according to the model, it sends a corresponding control signal to the width adjustment device 14 to control the action of the width adjustment device 14, and after receiving the feedback from the width adjustment device 14, then A corresponding control signal is sent to the length positioning device 13 to control the action of the length positioning device 13 .

In a specific solution, the workpiece identification device 12 may be a scanning sensor, which scans the code on the beam assembly 20 or the longitudinal beam assembly 30 to obtain the corresponding model. Wherein, the code on the beam assembly 20 or the longitudinal beam assembly 20 may be expressed in the form of a two-dimensional code.

Further, a vertically movable pressing device 15 is also provided on the frame 11, and the pressing device 15 can adjust the gap and clamp the beam assembly 20 or longitudinal beam assembly 30 in the length direction. Press firmly.

After setting in this way, the beam assembly 20 or the longitudinal beam assembly 30 can be pressed and fixed to prevent the assembly from being affected by changes in the position of the beam assembly 20 or the longitudinal beam assembly 30 during subsequent operations.

In a specific solution, the pressing device 15 includes a pressing plate 151, a lead screw 152, and a motor 153 that drives the lead screw 152 to rotate; wherein, the pressing plate 151 can be fixedly connected with a movable seat assembly 154 sleeved on the lead screw 152, and the movable seat The component 154 can move vertically along the lead screw 152 to drive the pressing plate 151 to move vertically. Apparently, the lead screw 152 is vertically arranged on the frame 11 .

Wherein, the pressing device 15 is also connected with the PLC main control system in communication, and the action of the pressing device 15 is controlled by the PLC main control system; obviously, the PLC main control system is receiving the length positioning device 13 to the beam assembly 20 or the longitudinal beam assembly 30 After the clamped signal has been positioned, a control signal is sent to control the pressing device 15 to act.

Specifically, the movable seat assembly 154 includes a movable seat and a cantilever arm fixedly connected with the movable seat, and the pressing plate 151 can be fixed on the bottom of the cantilever arm. The positions of the width adjusting devices 14 are corresponding to ensure that the pressing plate 151 can press the beam assembly 20 or the longitudinal beam assembly 30 .

Further, in order to ensure the stability of the vertical movement of the pressing plate 151 , a guiding structure may also be provided to guide the vertical movement of the pressing plate 151 .

In this specific scheme, guide blocks can be fixed on both sides of the cantilever arm, and guide rails 155 matched with the guide blocks are set on the frame 11. Like this, when the movable seat assembly 154 moves vertically, the guide blocks slide along the guide rails 155, The movable seat assembly 154 is guided so as to guide the pressing plate 151 .

Further, a pressing force controller 156 communicated with the motor can also be provided to adjust the size of the pressing force applied to the beam assembly 20 or the longitudinal beam assembly 30 to prevent damage to the beam assembly 20 or the longitudinal beam assembly 30. damage, while ensuring that the compression force is sufficient.

Please refer to FIG. 5 , which is a schematic structural diagram of the length positioning device shown in FIG. 3 .

In a specific solution, the length positioning device 13 includes a positioning seat 131 for installation with the frame 11, and the positioning seat 131 is provided with a push plate 133 and a first driving part, and the first driving part can drive the pushing plate 133 in the length direction to move. Obviously, the two push plates 133 on the two frames 11 move toward each other at the same time, that is, approach each other, to clamp the crossbeam assembly 20 or the longitudinal beam assembly 30, or move oppositely at the same time, that is, move away from each other, to release the tension on the crossbeam assembly. 20 or stringer assembly 30 clamping.

Specifically, the first driving component may be an electromagnetic driving device 132, which is conveniently connected to and controlled by a PLC main control system. Of course, other driving structures can also be used in practice.

Please refer to Figures 6-8; Figure 6 is a schematic structural view of the width adjusting device shown in Figure 3; Figure 7 and Figure 8 both show a schematic internal structure of the width adjusting device shown in Figure 6.

In a specific solution, the width adjusting device 14 includes a mounting base 141, on which two movable plates and a second driving part are symmetrically arranged. The two beams of the assembly 20 or the two longitudinal beams of the longitudinal beam assembly 30 are supported.

Wherein, the second driving part can drive the two movable plates to approach or move away from each other at the same time along the width direction, so as to realize the adjustment of the distance between the two beams or the two longitudinal beams.

In the following, for the convenience of description and understanding, the two movable plates are referred to as the first movable plate 142a and the second movable plate 142b.

Specifically, the second driving part includes a telescopic oil cylinder 143, the telescopic end of the telescopic oil cylinder 143 is connected with a connecting rod 145, and the end of the connecting rod 145 close to the telescopic oil cylinder 143 is provided with a support base 144 supporting the first movable plate 142a, and the connecting rod 145 is provided with a supporting seat 144 supporting the first movable plate 142a. A rack 146 is fixedly connected to the end of the rod 145 away from the telescopic oil cylinder 143, and the rack 146 is engaged with a gear 1471 sleeved on the gear shaft 147, and the gear 1471 is used to support the second movable plate 142b.

When the telescopic end of the telescopic oil cylinder 143 is stretched out, in the orientation shown in Figure 6-8, that is, when the telescopic end stretches out to the left, the support seat 144 moves to the left accordingly, driving the first movable plate 142a to move to the left, and at the same time, Rack 146 also moves to the left thereupon, because rack 146 is meshed with gear 1471, can drive gear 1471 to rotate clockwise, thereby drives second movable plate 142b to move to the right, that is, the first movable plate 142a and the second movable plate 142b are close to each other, thereby shortening the distance between two beams or two longitudinal beams supported by the first movable plate 142a and the second movable plate 142b.

When the telescopic end of the telescopic oil cylinder 143 is retracted, it is still in the orientation shown in Figure 6-8, that is, when the telescopic end stretches out to the right, the support seat 144 moves to the right thereupon, driving the first movable plate 142a to move to the right, and at the same time , the rack 146 also moves to the right thereupon, because the rack 146 meshes with the gear 1471, it can drive the gear 1471 to rotate counterclockwise, thereby driving the second movable plate 142b to move to the left, that is, the first movable plate 142a and the second movable plate 142a The plates 142b are far away from each other, thereby increasing the distance between two beams or two longitudinal beams supported by the first movable plate 142a and the second movable plate 142b.

In order to facilitate the arrangement of the above-mentioned second driving component, the mounting base 141 may be configured as a groove structure. Of course, the oil pipes matched and connected with the telescopic oil cylinder 143 can also be accommodated in the groove structure of the mounting base 141 .

Specifically, the telescopic oil cylinder 143 communicates with the PLC main control system, and controls the telescopic amount of the telescopic end of the telescopic oil cylinder 143 through the PLC main control system, so as to precisely adjust the distance between two beams or two longitudinal beams.

Further, a guide groove 148 is provided on the mounting base 141 to guide the movement of the first movable plate 142a and the second movable plate 142b, so as to ensure the safety and reliability of the distance adjustment.

Specifically, guide pieces can be installed at corresponding positions on both sides of the two movable plates, and the aforementioned guide grooves 148 are provided on the guide pieces, and the two movable plates can be inserted into the guide grooves 148 to realize guidance during movement.

Further, the stop seats 149 are arranged symmetrically on the two movable plates. Obviously, the stop seats 149 are located outside the two beams or the two longitudinal beams, so as to prevent the two beams or the two longitudinal beams from shifting outward or rotating.

In an actual setting, a protective plate 1410 may also be provided on the mounting seat 141 to prevent dust and dust and ensure the safety of related components.

The clamping system provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (10)

1. a clamping system for the assembly of a crossbeam assembly (20) or a longitudinal beam assembly (30) of a frame, characterized in that it comprises two oppositely arranged frames (11), each of the frames (11 ) are equipped with a workpiece identification device (12), a length positioning device (13) and a width adjustment device (14); the workpiece identification device (12) is used to identify the model; the length positioning device (13) is used to clamp the beam assembly (20) or longitudinal beam assembly (30) in the length direction according to the model identified by the workpiece identification device (12); the width adjustment device (14) Used to support the beam assembly (20) or the longitudinal beam assembly (30), and adjust the two beams of the beam assembly (20) or the two longitudinal beams of the longitudinal beam assembly (30) according to the model identified by the workpiece identification device (12) Spacing in the width direction. 2. The clamping system according to claim 1, characterized in that, each frame (11) is also provided with a pressing device (15) capable of vertical movement, so that the beam assembly (20) or the longitudinal The beam assembly (30) is compressed and fixed. 3. The clamping system according to claim 2, characterized in that the pressing device (15) comprises a pressing plate (151), a screw (152) and a motor (153) that drives the screw (152) to rotate ); the pressing plate (151) is fixedly connected to the movable seat assembly (154) sleeved on the lead screw (152), and the movable seat assembly (154) can move vertically along the lead screw (152). 4. The clamping system according to claim 3, characterized in that, the pressing device (15) further comprises a pressing force controller (156) communicatively connected with the motor (153), which is used to adjust Compression force on beam assembly (20) or stringer assembly (30). 5. The clamping system according to claim 1, characterized in that, the length positioning device (13) comprises a push plate (133) and a first drive component, and the first drive component can drive the push plate (133) 133) Move in the length direction. 6. The clamping system according to claim 1, characterized in that, the width adjusting device (14) comprises a mounting base (141), and the mounting base (141) is symmetrically provided with two movable plates and a second driving part , the two movable plates can approach or move away from each other simultaneously along the width direction under the drive of the second driving component. 7. The clamping system according to claim 6, characterized in that, the second driving part comprises a telescopic oil cylinder (143), the telescopic end of which is connected to a connecting rod (145), and the connecting rod (145) is close to the One end of the telescopic oil cylinder (143) is provided with a support seat (144) supporting the first movable plate (142a), and the end of the connecting rod (145) away from the telescopic oil cylinder (143) is fixedly connected with a rack (146). , the rack (146) meshes with a gear (1471) sleeved on the gear shaft (147), and the gear (1471) supports the second movable plate (142b). 8. The clamping system according to claim 7, characterized in that, the installation seat (141) is further provided with a guide groove (148) so as to guide the movement of the two movable plates. 9. The clamping system according to claim 6, characterized in that, stop seats (149) are symmetrically arranged on the two movable plates. 10. The clamping system according to any one of claims 2-9, characterized in that it also includes a PLC main control system, which is connected with the workpiece identification device (12), the length positioning device (13), the The width adjusting device (14) and the pressing device (15) are communicatively connected.