CN220240589U - Axle box pull rod press-fitting machine - Google Patents

Abstract

The utility model provides an axle box pull rod press-fitting machine. The axle box pull rod press provided by the utility model comprises a press main body, an operation table, a press head, a guide rail and two moving platforms, wherein the operation table and the press head are oppositely arranged on the press main body along the vertical direction, the press main body is configured to drive the press head to move relative to the operation table, and the guide rail is arranged on the operation table; the two moving platforms are movably arranged on the guide rail along the extending direction of the guide rail, each moving platform comprises a moving seat and a press-mounting platform, the moving seats are movably connected with the guide rail, the press-mounting platforms are arranged on the moving seats, the press-mounting platforms of the two moving platforms are configured to respectively arrange two mandrel mounting ends of the axle box pull rod, each press-mounting platform is provided with a first accommodating cavity, and the first accommodating cavities are used for accommodating the first ends of the mandrels; the pressure head is used for pressing the mandrel into the mounting hole on the mandrel mounting end under the drive of the press-mounting machine body. The axle box pull rod press-fitting machine is high in press-fitting efficiency, and the mandrels are not easy to incline.

Description

Axle box pull rod press-fitting machine

Technical Field

The utility model relates to the field of press-fitting machines, in particular to an axle box pull rod press-fitting machine.

Background

The axle box pull rod is one of important parts for connecting an axle and a frame, and has the main functions of supporting the axle, stabilizing running, ensuring the safety and stability of train operation, and the axle box pull rod needs to be assembled before use, namely, a mandrel needs to be installed in a mandrel installation hole on an axle box pull rod body, and the assembly process generally needs to use an axle box pull rod press-fitting machine to press the mandrel into the mandrel installation hole on the axle box pull rod body through the axle box pull rod press-fitting machine.

When the existing axle box pull rod press-fitting machine is used for press-fitting, one end of the axle box pull rod body, where the axle shaft mounting hole is located, is generally required to be adjusted to be horizontal, then pressure is applied to the upper end of the axle shaft through a pressure head of the press-fitting machine, so that the axle shaft is pressed into the axle shaft mounting hole of the axle box pull rod body, the process is repeated, and the other axle shaft is pressed into the other axle shaft mounting hole on the axle box pull rod body, so that the axle box pull rod is assembled.

However, the assembly of the axle box tie rod by using the press-fitting machine is not only inefficient, but also the two leveling processes are easily biased due to the need to move the axial tie rod and level the two ends of the axle box tie rod twice, which may result in tilting of the two mandrels at the two ends of the axial tie rod relative to each other.

Disclosure of Invention

In order to solve at least one problem in the background art, the utility model provides the axle box pull rod press machine, which has high press mounting efficiency and is not easy to incline between the mandrels.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an axle box pull rod press machine which is used for press-mounting an axle box pull rod, and comprises a press machine main body, an operation table, a press head, a guide rail and two moving platforms, wherein the operation table and the press head are oppositely arranged on the press machine main body along the vertical direction, the press machine main body is configured to drive the press head to move relative to the operation table, the guide rail is arranged on the operation table, and the guide rail extends along the first horizontal direction;

the two moving platforms are movably arranged on the guide rail along the extending direction of the guide rail, each moving platform comprises a moving seat and a press-mounting platform, the moving seats are movably connected with the guide rail, the press-mounting platforms are arranged on the moving seats, the press-mounting platforms of the two moving platforms are configured to respectively arrange two mandrel mounting ends of the axle box pull rod, each press-mounting platform is provided with a first accommodating cavity, and the first accommodating cavities are used for accommodating the first ends of the mandrels;

the press head is used for pressing the mandrel into the mounting hole on the mounting end of the mandrel under the drive of the press-mounting machine body so as to form the axle box pull rod.

As an alternative embodiment, a locking bolt is provided on the mobile seat to lock the mobile platform in a target position on the guide rail.

As an alternative embodiment, the first receiving chamber extends through the press-fit station in a vertical direction.

As an alternative implementation mode, the guide rail comprises two slide rails which are arranged at intervals along the second horizontal direction, two sides of the bottom of the movable seat comprise two slide grooves which are arranged at intervals along the second horizontal direction, the two slide grooves are respectively connected with the two slide rails in a sliding manner, and the second horizontal direction is perpendicular to the first horizontal direction.

As an alternative embodiment, the console includes a second accommodating cavity extending along the first horizontal direction, the second accommodating cavity is located between the two sliding rails, and the first accommodating cavity is located above the second accommodating cavity.

As an alternative embodiment, the guide rail includes stoppers provided at both ends of the guide rail in the first horizontal direction to prevent the moving platform from being separated from the guide rail.

As an alternative embodiment, an elastic support is provided between the press-fitting stage and the movable seat.

As an optional implementation mode, the press-fit platform comprises a body and a base, wherein the base is arranged on the movable base, the body is detachably arranged on the base, the body is used for arranging a mandrel mounting end, and the first accommodating cavity penetrates through the base and the body along the vertical direction.

As an alternative embodiment, the axle box pull rod further comprises a press-fit tool, a third accommodating cavity is formed in the bottom of the press-fit tool, the press-fit tool is arranged at the second end of the axle box pull rod in a sleeved mode through the third accommodating cavity, and the pressure head is arranged to apply pressure to the top of the press-fit tool.

As an alternative embodiment, an alternative adjusting washer is also included, which is arranged on the body and the thickness of which matches the height difference between the two spindle mounting ends of the axle box tie rod.

The axle box pull rod press machine is used for press-mounting an axle box pull rod, and comprises a press machine main body, an operating platform, a press head, a guide rail and two moving platforms, wherein the operating platform and the press head are oppositely arranged on the press machine main body along the vertical direction, the press machine main body is configured to drive the press head to move relative to the operating platform, the guide rail is arranged on the operating platform, and the guide rail extends along the first horizontal direction; the two moving platforms are movably arranged on the guide rail along the extending direction of the guide rail, each moving platform comprises a moving seat and a press-mounting platform, the moving seats are movably connected with the guide rail, the press-mounting platforms are arranged on the moving seats, the press-mounting platforms of the two moving platforms are configured to respectively arrange two mandrel mounting ends of the axle box pull rod, each press-mounting platform is provided with a first accommodating cavity, and the first accommodating cavities are used for accommodating the first ends of the mandrels; the press head is used for pressing the mandrel into the mounting hole on the mounting end of the mandrel under the drive of the press-mounting machine body so as to form the axle box pull rod. When the axle box pull rod press provided by the utility model is used, two mandrel mounting ends of the axle box pull rod can be respectively arranged on press mounting tables of two movable platforms, mandrel mounting holes at the two mandrel mounting ends are aligned with a first accommodating cavity on the press mounting table below, the end faces of the mandrel mounting ends are adjusted to be horizontal, one movable platform is pushed to be right below a press mounting press head along a guide rail, the mandrel is pressed into one mandrel mounting hole through the press head, then the other movable platform is pushed to be right below the press head, and then the other mandrel is pressed into the other mandrel mounting hole through the press head, so that the axle box pull rod assembly process is completed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic diagram of a first structure of an axle box tie rod press provided in an embodiment of the present utility model;

fig. 2 is a schematic diagram of a second structure of an axle box tie rod press provided in an embodiment of the present utility model;

fig. 3 is a schematic diagram of a third structure of an axle box tie rod press provided in an embodiment of the present utility model;

fig. 4 is a schematic diagram of a fourth structure of an axle box tie rod press provided in an embodiment of the present utility model;

FIG. 5 is an enlarged view of FIG. 1 at A;

FIG. 6 is a schematic illustration of an axle housing tie rod in accordance with an embodiment of the present utility model;

FIG. 7 is another schematic illustration of an axle housing tie rod in accordance with an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a press-fitting tool in an axle box pull rod press-fitting machine according to an embodiment of the present utility model.

Reference numerals illustrate:

100-pressing and installing machine;

110-a press body;

120-operating table;

121-a second receiving chamber;

130-indenter;

140-a guide rail;

141-a stopper;

150-a mobile platform;

151-a mobile seat;

1511-locking bolts;

152-a press-fitting stage;

1521—a first accommodation chamber;

1522-a body;

1523-a base;

160-elastic support;

170-press mounting the tool;

171-a third receiving chamber;

180-adjusting washers;

200-axle box pull rod;

210-mandrel mounting end;

220-mandrel.

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.

In the application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.

The axle box pull rod press is used for pressing the mandrel into the mandrel mounting hole on the axle box pull rod body, when the axle box pull rod press is used for press mounting, one end of the mandrel mounting hole of the axle box pull rod body is generally required to be adjusted to be horizontal, then the pressing head of the press is used for applying pressure to the upper end of the mandrel, so that the mandrel is pressed into the mandrel mounting hole of the axle box pull rod body, the process is repeated, and the other mandrel is pressed into the other mandrel mounting hole on the axle box pull rod body, so that the assembly of the axle box pull rod is completed. The axle box pull rod is assembled in a mode that the axial pull rod needs to be moved, and the two ends of the axle box pull rod are horizontally leveled in two times, so that the efficiency is low, deviation is easy to exist in the two leveling processes, and the two mandrels at the two ends of the axial pull rod can be inclined with each other.

In view of the above, the present utility model provides an axle box pull rod press machine, including a press machine main body, an operation table, a press head, a guide rail, and two moving platforms, wherein the operation table and the press head are relatively arranged on the press machine main body along a vertical direction, and the press machine main body is configured to drive the press head to move relative to the operation table, the guide rail is arranged on the operation table, and the guide rail extends along a first horizontal direction; the two moving platforms are movably arranged on the guide rail along the extending direction of the guide rail, each moving platform comprises a moving seat and a press-mounting platform, the moving seats are movably connected with the guide rail, the press-mounting platforms are arranged on the moving seats, the press-mounting platforms of the two moving platforms are configured to respectively arrange two mandrel mounting ends of the axle box pull rod, each press-mounting platform is provided with a first accommodating cavity, and the first accommodating cavities are used for accommodating the first ends of the mandrels; the press head is used for pressing the mandrel into the mounting hole on the mounting end of the mandrel under the drive of the press-mounting machine body so as to form the axle box pull rod. When the axle box pull rod press provided by the utility model is used, two mandrel mounting ends of the axle box pull rod can be respectively arranged on press mounting tables of two movable platforms, mandrel mounting holes at the two mandrel mounting ends are aligned with a first accommodating cavity on the press mounting table below, the end faces of the mandrel mounting ends are adjusted to be horizontal, one movable platform is pushed to be right below a press mounting press head along a guide rail, the mandrel is pressed into one mandrel mounting hole through the press head, then the other movable platform is pushed to be right below the press head, and then the other mandrel is pressed into the other mandrel mounting hole through the press head, so that the axle box pull rod assembly process is completed.

Fig. 1 is a schematic diagram of a first structure of an axle box tie rod press provided in an embodiment of the present utility model; fig. 2 is a schematic diagram of a second structure of an axle box tie rod press provided in an embodiment of the present utility model; fig. 3 is a schematic diagram of a third structure of an axle box tie rod press provided in an embodiment of the present utility model; fig. 4 is a schematic diagram of a fourth structure of an axle box tie rod press provided in an embodiment of the present utility model; FIG. 5 is an enlarged view of FIG. 1 at A; FIG. 6 is a schematic illustration of an axle housing tie rod in accordance with an embodiment of the present utility model; FIG. 7 is another schematic illustration of an axle housing tie rod in accordance with an embodiment of the present utility model; fig. 8 is a schematic structural diagram of a press-fitting tool in an axle box pull rod press-fitting machine according to an embodiment of the present utility model. Referring to fig. 1 to 8, an embodiment of the present utility model provides an axle box drawbar press 100 for press-fitting an axle box drawbar 200, the axle box drawbar press 100 including a press main body 110, an operation table 120, a press head 130, a guide rail 140, and two moving platforms 150, the operation table 120 and the press head 130 being disposed on the press main body 110 in a vertical direction with respect to each other, and the press main body 110 being configured to drive the press head 130 to move with respect to the operation table 120, the guide rail 140 being disposed on the operation table 120, the guide rail 140 extending in a first horizontal direction; the two moving platforms 150 are movably disposed on the guide rail 140 along the extending direction of the guide rail 140, the moving platforms 150 include a moving seat 151 and a press-mounting stage 152, the moving seat 151 is movably connected with the guide rail 140, the press-mounting stage 152 is disposed on the moving seat 151, the press-mounting stages 152 of the two moving platforms 150 are configured to respectively mount the two spindle mounting ends 210 of the pedestal pull rod 200, the press-mounting stage 152 has a first accommodating cavity 1521, and the first accommodating cavity 1521 is used for accommodating the first end of the spindle 220 (the lower end of the spindle 220 shown in fig. 6 and 7); the ram 130 is used to press the mandrel 220 into a mounting hole in the mandrel mounting end 210 under the drive of the press body 110 to form the pedestal jaw 200.

It should be noted that, the structure of the spindle 220 generally includes a spindle 220 body 1522 and a rubber sleeve sleeved at the middle portion of the spindle 220, and the length of the rubber sleeve along the axial direction of the spindle 220 is consistent with the height of the spindle mounting hole on the axle box pull rod 200, that is, the rubber sleeve portion on the spindle 220 is mounted in the spindle mounting hole when the axle box pull rod 200 is assembled.

The first accommodating cavity 1521 may be designed into a circular hole, and after the mandrel 220 is pressed into the mandrel mounting hole on the axial pull rod, one end of the mandrel 220 passing through the mandrel mounting hole may be accommodated in the first accommodating cavity 1521.

When the axle box pull rod press 100 provided by the embodiment of the utility model is used, two mandrel mounting ends 210 of an axle box pull rod 200 can be respectively arranged on the press mounting platforms 152 of two movable platforms 150, so that the mandrel mounting holes at the two mandrel mounting ends 210 are aligned with the first accommodating cavity 1521 on the lower press mounting platform 152, the end faces of the mandrel mounting ends 210 are adjusted to be horizontal, one movable platform 150 is pushed to the position right below the press head 130 of the press 100 along the guide rail 140, the mandrel 220 is pressed into one mandrel mounting hole through the press head 130, then the other movable platform 150 is pushed to the position right below the press head 130 through the movable platform 150, and then the other mandrel 220 is pressed into the other mandrel mounting hole through the press head 130, so that the assembly process of the axle box pull rod 200 is completed.

As shown in fig. 5, in the above embodiment, a locking bolt 1511 may be provided on the moving base 151 to lock the moving platform 150 at a target position on the guide rail 140. Specifically, the locking bolt 1511 may be located at the outer side of the guide rail 140, after the moving platform 150 is moved to the position directly below the ram 130, the locking bolt 1511 may be screwed, so that the lower end of the locking bolt 1511 abuts against the table surface of the console 120, thereby locking the moving platform 150 at the current position, wherein a threaded hole matched with the locking bolt 1511 may be provided at a suitable position on the table surface of the console 120 below the ram 130, and after the moving platform 150 is moved to the position directly below the ram 130, the locking bolt 1511 may be screwed, so that the lower end of the locking bolt 1511 is screwed into the threaded hole, thereby locking the moving platform 150 at the current position more firmly.

In the above embodiment, the first accommodating chamber 1521 may extend through the press-fit stage 152 in the vertical direction to increase the dimension of the first accommodating chamber 1521 in the vertical direction, so that the mandrel 220 having a longer dimension may be accommodated by the first accommodating chamber 1521.

In the above embodiment, the guide rail 140 may include two sliding rails disposed at intervals along the second horizontal direction, and two sides of the bottom of the moving seat 151 include two sliding grooves disposed at intervals along the second horizontal direction, where the two sliding grooves are slidably connected with the two sliding rails, respectively, and the second horizontal direction is perpendicular to the first horizontal direction. When the mobile platform 150 is moved, the two sliding grooves on two sides of the bottom of the mobile base 151 can simultaneously slide along the two parallel sliding rails, so that the stability of the mobile platform 150 during movement is ensured.

The cross section of the sliding rail may be in a shape with a small middle and two large ends as shown in fig. 5, and the shape of the sliding groove may be matched with the shape of the sliding rail, so that the moving seat 151 may be prevented from moving in the vertical direction relative to the sliding rail.

In the above embodiment, the console 120 may include a second accommodating cavity 121, where the second accommodating cavity 121 extends along the first horizontal direction, the second accommodating cavity 121 is located between two sliding rails, and the first accommodating cavity 1521 is located above the second accommodating cavity 121. As such, if the length of the mandrel 220 is longer, the lower end of the mandrel 220 may enter the second receiving cavity 121 below after passing through the first receiving cavity 1521, and may accommodate more sized mandrel 220 structures, wherein the second receiving cavity 121 may extend to both end edges of the console 120 in the first direction.

In the above embodiment, the guide rail 140 may include the stopper 141, the stopper 141 is disposed at both ends of the guide rail 140 in the first horizontal direction, when the moving platform 150 moves along the guide rail 140 to the edge of the guide rail 140, the moving platform 150 is stopped by the stopper 141 to prevent the moving platform 150 from being detached from the guide rail 140, and in particular, the stopper 141 may be detachably connected to the guide rail 140, for example, by bolting to the guide rail 140, so that when the moving platform 150 needs to be detached from the guide rail 140, the stopper 141 may be detached from the guide rail 140 first, and then the moving platform 150 may be removed from both ends of the guide rail 140.

In the above embodiment, the elastic support 160 may be provided between the press-fitting stage 152 and the movable seat 151. The elastic member can avoid the direct rigid extrusion between the bottom of the press-fitting platform 152 and the movable base 151 to cause certain damage to each other, and can slightly prop up the press-fitting platform 152 when the press head 130 of the press-fitting machine 100 is not pressed, so that the bottom of the press-fitting platform 152 is separated from the surface of the operation platform 120, thereby being convenient for moving the movable platform 150, and when the press head 130 is pressed, the elastic support member 160 is compressed, the bottom of the press-fitting platform 152 can be abutted with the operation platform 120 to bear the pressure transmitted by the press head 130; specifically, the elastic support 160 may be a spring.

In the above embodiment, the press-fitting stage 152 may include a body 1522 and a base 1523, the base 1523 is disposed on the movable base 151, the body 1522 is detachably disposed on the base 1523, the body 1522 is used for placing the mandrel mounting end 210, and the first accommodating cavity 1521 penetrates the base 1523 and the body 1522 along the vertical direction. By having the body 1522 removably disposed on the base 1523, different types of bodies 1522 may be replaced as desired to accommodate different pedestal ties 200 disposed on the bodies 1522.

In the above embodiment, the press-fit tool 170 may further include a third accommodating cavity 171 at the bottom of the press-fit tool 170, where the press-fit tool 170 is configured to be sleeved on the second end (the upper end of the mandrel 220 shown in fig. 6 and 7) of the pedestal pull rod 200 through the third accommodating cavity 171, and the press head 130 is configured to apply pressure to the top of the press-fit tool 170. The whole press-fitting tool 170 is in an inverted cylinder shape, a third accommodating cavity 171 formed in the press-fitting tool 170 is sleeved at the upper end of the mandrel 220, the diameter of the third accommodating cavity 171 is smaller than that of the rubber shaft sleeve at the middle part of the mandrel 220, so that the lower end face of the press-fitting tool 170 can be abutted against the edge of the upper end of the rubber shaft sleeve, in addition, the diameter of the press-fitting tool 170 can be larger than that of the mandrel mounting hole on the axle box pull rod 200, and when the rubber shaft sleeve is completely pressed into the mandrel mounting hole, the lower end face of the press-fitting tool 170 can be abutted against the upper edge of the mandrel mounting hole, so that the mandrel 220 is prevented from being pressed; it can be appreciated that the upper surface of the press-fitting tool 170 is generally a plane, and the area of the plane is larger than that of the upper end surface of the mandrel 220, and the press-fitting of the plane by the press head 130 can avoid the situation that the mandrel 220 is pressed and distorted due to the too small area of the upper end surface of the mandrel 220.

In the above embodiment, an alternative adjusting washer 180 may be further included, where the adjusting washer 180 may be disposed on the body 1522, and the thickness of the adjusting washer 180 may be matched to the height difference between the two spindle mounting ends 210 of the pedestal pull rod 200, and the rod body of the pedestal pull rod 200 may be maintained in a horizontal position by the adjusting washer 180 to prevent the press-fitted spindle 220 from tilting.

The axle box pull rod press 100 provided by the embodiment of the utility model is used for press-mounting an axle box pull rod 200, the axle box pull rod press 100 comprises a press-mounting main body 110, an operation table 120, a press head 130, a guide rail 140 and two moving platforms 150, the operation table 120 and the press head 130 are oppositely arranged on the press-mounting main body 110 along the vertical direction, the press-mounting main body 110 is configured to drive the press head 130 to move relative to the operation table 120, the guide rail 140 is arranged on the operation table 120, and the guide rail 140 extends along the first horizontal direction; the two moving platforms 150 are movably arranged on the guide rail 140 along the extending direction of the guide rail 140, the moving platforms 150 comprise a moving seat 151 and a press-fitting platform 152, the moving seat 151 is movably connected with the guide rail 140, the press-fitting platform 152 is arranged on the moving seat 151, the press-fitting platforms 152 of the two moving platforms 150 are configured to respectively arrange the two mandrel mounting ends 210 of the axle box pull rod 200, the press-fitting platforms 152 are provided with first accommodating cavities 1521, and the first accommodating cavities 1521 are used for accommodating the first ends of the mandrels 220; the ram 130 is used to press the mandrel 220 into a mounting hole in the mandrel mounting end 210 under the drive of the press body 110 to form the pedestal jaw 200. When the axle box pull rod press 100 provided by the embodiment of the utility model is used, two mandrel mounting ends 210 of an axle box pull rod 200 can be respectively arranged on the press mounting platforms 152 of two movable platforms 150, so that the mandrel mounting holes at the two mandrel mounting ends 210 are aligned with the first accommodating cavity 1521 on the lower press mounting platform 152, the end faces of the mandrel mounting ends 210 are adjusted to be horizontal, one movable platform 150 is pushed to the position right below the press head 130 of the press 100 along the guide rail 140, the mandrel 220 is pressed into one mandrel mounting hole through the press head 130, then the other movable platform 150 is pushed to the position right below the press head 130 through the movable platform 150, and then the other mandrel 220 is pressed into the other mandrel mounting hole through the press head 130, so that the assembly process of the axle box pull rod 200 is completed.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The axle box pull rod press-fitting machine is characterized by comprising a press-fitting machine body, an operation table, a press head, a guide rail and two moving platforms, wherein the operation table and the press head are oppositely arranged on the press-fitting machine body along the vertical direction, the press-fitting machine body is configured to drive the press head to move relative to the operation table, the guide rail is arranged on the operation table, and the guide rail extends along the first horizontal direction;

the two moving platforms are movably arranged on the guide rail along the extending direction of the guide rail, the moving platforms comprise moving seats and press mounting platforms, the moving seats are movably connected with the guide rail, the press mounting platforms are arranged on the moving seats, the press mounting platforms of the two moving platforms are configured to respectively arrange two mandrel mounting ends of the axle box pull rod, and the press mounting platforms are provided with first accommodating cavities for accommodating first ends of mandrels;

the pressing head is used for pressing the mandrel into a mounting hole on the mounting end of the mandrel under the driving of the press-fitting machine body so as to form the axle box pull rod.

2. The pedestal jaw press according to claim 1, wherein a locking bolt is provided on the movable seat to lock the movable platform at a target position on the guide rail.

3. The pedestal jaw press according to claim 2, wherein the first receiving cavity extends through the press-fit table in the vertical direction.

4. The axle box pull rod press as set forth in claim 3, wherein the guide rail includes two slide rails disposed at intervals along a second horizontal direction, two sides of the bottom of the movable base include two slide grooves disposed at intervals along the second horizontal direction, the two slide grooves are slidably connected with the two slide rails, respectively, and the second horizontal direction is perpendicular to the first horizontal direction.

5. The axle housing tie bar press of claim 4, wherein the operating table includes a second receiving cavity extending in the first horizontal direction, the second receiving cavity being located between the two slide rails and the first receiving cavity being located above the second receiving cavity.

6. The pedestal jaw press according to any one of claims 1 to 5, wherein the rail includes stoppers provided at both ends of the rail in the first horizontal direction to prevent the moving platform from being detached from the rail.

7. The axle housing tie bar press-fitting machine as claimed in any one of claims 1-5, wherein an elastic support member is provided between the press-fitting stage and the movable seat.

8. The axle housing tie bar press-fitting machine of claim 7, wherein the press-fitting stage includes a body and a base, the base is disposed on the movable base, the body is detachably disposed on the base, the body is configured to mount the spindle mounting end, and the first receiving cavity extends through the base and the body in the vertical direction.

9. The pedestal pull rod press as recited in claim 8, further comprising a press-fit tooling, wherein a third receiving cavity is provided in a bottom of the press-fit tooling, the press-fit tooling is configured to be sleeved on the second end of the pedestal pull rod through the third receiving cavity, and the ram is configured to apply pressure to a top of the press-fit tooling.

10. The axle box tie press of claim 9, further comprising a replaceable adjustment washer disposed on the body, wherein a thickness of the adjustment washer matches a height differential between two spindle mounting ends of the axle box tie.