CN110370222B - Positioning, guiding and press-fitting device and method for draw bar seat - Google Patents
Positioning, guiding and press-fitting device and method for draw bar seat Download PDFInfo
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- CN110370222B CN110370222B CN201910655024.3A CN201910655024A CN110370222B CN 110370222 B CN110370222 B CN 110370222B CN 201910655024 A CN201910655024 A CN 201910655024A CN 110370222 B CN110370222 B CN 110370222B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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Abstract
The invention provides a positioning guiding press-fitting device and a method for a draw bar seat, wherein the device comprises: the support guide part, the positioning guide part, the bracket and the positioning guide column are arranged on the support; the supporting guide part comprises a supporting seat, and the supporting seat is arranged at the top of the supporting guide part in a lifting manner; the positioning guide post is fixedly arranged at the top of the supporting guide part, and the relative position between the positioning guide post and the supporting seat is consistent with the relative position between the side hole of the draw bar seat and the shaft sleeve; the support is fixedly arranged on the side surface of the top of the supporting guide part, and the positioning guide part is arranged on the support; the positioning guide part can move along the bracket in the height direction and corresponds to the position of the pin hole of the shaft sleeve. By the positioning, guiding and press-fitting device and method for the draw bar seat, provided by the embodiment of the invention, when the shaft sleeve is pressed into the shaft hole of the side plate, the phase relation between the shaft sleeve pin hole and the side hole of the side plate can be ensured, and the coaxiality of the side holes of the two side plates can be ensured to be consistent.
Description
Technical Field
The invention relates to the technical field of a draw bar seat, in particular to a positioning, guiding and press-fitting device and method of the draw bar seat.
Background
At present, a high-speed maglev train adopts a traction pull rod device to transfer traction force, and the traction pull rod device is of a Z-shaped structure and comprises two traction pull rods and a traction rod seat between the two traction pull rods. When the traction pull rods on two sides are matched with the traction rod seat assembly, a pin penetrating structure is adopted, so that the coaxiality of two opposite holes of the side plates on two sides of the traction rod seat is strictly ensured to be consistent, and in addition, because the traction rod seat shaft sleeve is connected with the vehicle body installation seat, the connection line of a threaded hole (pin hole) in the middle of the traction rod seat shaft sleeve and the two holes of the side plates of the traction rod seat is required to keep a strict phase relation during assembly, so that the assembly of the whole traction pull rod device is met.
The existing general pressing device is used for directly pressing the shaft sleeve of the draw bar seat onto the side plate of the draw bar seat, and the phase between the shaft sleeve and the side plate is easy to change in the pressing process, so that the overall pressing precision of the draw bar seat is not high.
Disclosure of Invention
In order to solve the above problems, an object of the embodiments of the present invention is to provide a positioning, guiding and press-fitting device and method for a drawbar seat.
In a first aspect, an embodiment of the present invention provides a positioning, guiding and press-fitting device for a drawbar seat, including: the support guide part, the positioning guide part, the bracket and the positioning guide column are arranged on the support;
the supporting guide part comprises a supporting seat, the supporting seat is arranged at the top of the supporting guide part in a lifting mode, and the supporting seat is used for supporting a shaft sleeve of the draw bar seat during press mounting;
the positioning guide post is fixedly arranged at the top of the supporting guide part, and the relative position between the positioning guide post and the supporting seat is consistent with the relative position between the side hole of the draw bar seat and the shaft sleeve;
the support is fixedly arranged on the side surface of the top of the supporting guide part, and the positioning guide part is arranged on the support; the positioning guide part can move along the support in the height direction and corresponds to the position of the pin hole of the shaft sleeve.
In a possible implementation manner, the top outer contour of the supporting seat is matched with the shaft hole of the draw rod seat;
the top of supporting seat is equipped with first step arch, the protruding size of first step with the internal aperture size phase-match of axle sleeve.
In one possible implementation, the support guide further includes a guide seat, a spring seat, a support spring, and an upper seat;
the guide seat is provided with a cavity, and the spring base is arranged at the bottom of the cavity of the guide seat;
one end of the supporting spring is fixedly connected with the spring base, the other end of the supporting spring is fixedly connected with the supporting seat, and the supporting seat is arranged at the opening of the cavity of the guide seat;
the upper base is fixedly arranged on the upper part of the guide seat and used for fixing the support and the positioning guide column.
In a possible implementation manner, limiting bulges are arranged on the periphery of the bottom of the supporting seat, the size of each limiting bulge is consistent with that of the cavity of the guide seat, and the size of the opening of the cavity of the guide seat is smaller than that of each limiting bulge;
the height of the supporting seat outside the cavity opening of the guide seat is not less than the thickness of the side plate of the draw bar seat.
In one possible implementation, the apparatus further comprises a base plate;
the support guide part is fixed on the bottom plate.
In one possible implementation, the positioning guide part comprises a guide pin, a guide spring and a shell, and the guide pin and the guide spring are both arranged in a groove of the shell;
one end of the guide spring is fixedly connected with the inner side of the groove of the shell, and the other end of the guide spring is fixedly connected with the guide pin.
In a possible implementation manner, the bracket is provided with a sliding groove;
the housing is disposed within the chute.
In a possible implementation manner, the number of the positioning guide posts is two; the two positioning guide columns are respectively arranged on two sides of the supporting seat.
In one possible implementation, the apparatus further comprises a gland;
the bottom of the gland is provided with a second step bulge, and the size of the second step bulge is matched with the size of the inner aperture of the shaft sleeve.
In a second aspect, an embodiment of the present invention further provides a positioning and guiding press-fitting method based on the positioning and guiding press-fitting device, including:
placing a lower side plate of a draw bar seat on the positioning guiding press-fitting device, wherein a support seat of the positioning guiding press-fitting device penetrates through a shaft hole of the lower side plate, and a positioning guide column of the positioning guiding press-fitting device penetrates through a side hole of the lower side plate;
arranging a shaft sleeve of the draw bar seat at the top of the supporting seat, arranging one end of the positioning guide part in a pin hole of the shaft sleeve, and pressing one end of the shaft sleeve into a shaft hole of the lower side plate by using a pressing device;
and placing the upper side plate of the draw bar seat on the other end of the shaft sleeve, enabling the positioning guide column to penetrate through the side hole of the upper side plate, and pressing the other end of the shaft sleeve into the shaft hole of the upper side plate by using the pressing device.
In the solution provided by the first aspect of the embodiment of the present invention, the top of the supporting guide portion is provided with a supporting seat and a positioning guide post, and the positions of the supporting seat and the positioning guide post respectively correspond to the side holes of the shaft sleeve and the side plate; and then, the position of the shaft sleeve pin hole is limited by the positioning guide part fixed in the horizontal direction, so that the phase relation between the shaft sleeve pin hole and the side hole of the side plate can be ensured when the shaft sleeve is pressed in the shaft hole of the side plate. Simultaneously, the corresponding limit hole of two curb plates all passes same location guide post, can guarantee that the axiality in two curb plate limit holes is unanimous.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view illustrating a positioning and guiding press-fitting device according to an embodiment of the present invention;
fig. 2 shows a front cross-sectional view of a positioning and guiding press-fitting device provided by an embodiment of the present invention;
FIG. 3 is a partial cross-sectional left view of a positioning and guiding press-fitting apparatus provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic top view of a positioning and guiding press-fitting device provided by an embodiment of the invention;
FIG. 5 is a schematic diagram of a draft link assembly provided by an embodiment of the present invention;
FIG. 6 shows a schematic cross-sectional view A-A of a drawbar arrangement provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view A-A of a drawbar arrangement according to an embodiment of the invention, the drawbar seat;
fig. 8 is a schematic view showing a press-fitting device according to an embodiment of the present invention, which is based on positioning and guiding for a first press-fitting step;
fig. 9 is a schematic diagram showing the press-fitting device based on positioning and guiding according to the embodiment of the invention in the second press-fitting process.
Icon:
10-supporting guide part, 20-positioning guide part, 30-bracket, 40-positioning guide column, 50-bottom plate, 60-gland, 11-support seat, 111-first step bulge, 112-limit bulge, 12-guide seat, 13-spring base, 14-supporting spring, 15-upper base, 21-guide pin, 22-guide spring, 23-shell, 601-second step bulge, 1-traction pull rod, 2-traction rod seat, 3-side plate, 4-shaft sleeve, 5-pin hole and 6-side hole.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment of the invention provides a positioning, guiding and press-fitting device for a draw bar seat, which is used for press-fitting a side plate and a shaft sleeve of the draw bar seat. The structure of the traction pull rod device is shown in fig. 5 to 7, the traction pull rod device comprises two traction pull rods 1 and a traction rod seat 2, the traction rod seat 2 comprises a shaft sleeve 4 and two side plates 3, and the side wall of the shaft sleeve 4 is provided with a pin hole 5; based on the positioning and guiding press-fitting device provided by the embodiment, the two side plates 3 and the shaft sleeve 4 can be pressed into a complete draw bar seat. Referring to fig. 1 to 4, the positioning and guiding press-fitting device includes: support guide 10, positioning guide 20, bracket 30 and positioning guide post 40.
The supporting guide part 10 comprises a supporting seat 11, the supporting seat 11 is arranged at the top of the supporting guide part 10 in a lifting mode, and the supporting seat 11 is used for supporting the shaft sleeve 4 of the draw bar seat 2 during press mounting. Wherein, the axle sleeve 4 center is interior through-hole structure, and in order to improve the stability of axle sleeve 4 on supporting seat 11, the top of supporting seat 11 of this embodiment is equipped with first step arch 111, and the size of first step arch 111 matches with the interior aperture size of axle sleeve 4. In addition, the curb plate 3 of drawbar seat 2 is equipped with the shaft hole, need press the axle sleeve 4 into this shaft hole when the pressure equipment, in this embodiment, the top outline of supporting seat 11 and the shaft hole phase-match of curb plate 3 in the drawbar seat 2 for supporting seat 11 can pass the shaft hole of curb plate 3, and then can set up axle sleeve 4 on supporting seat 11 when the pressure equipment, thereby can be with axle sleeve 4 pressure equipment to the shaft hole of curb plate 3.
The positioning guide post 40 is fixedly arranged at the top of the supporting guide part 10; when the guide support 10 is topped by the upper base 15, the positioning guide post 40 may be fixedly disposed on the upper base 15. Meanwhile, referring to fig. 7, fig. 7 shows a cross-sectional view of the drawbar seat 2, the two ends of the side plates 3 are provided with side holes 6 for connecting the drawbar 1, since the side holes 6 of the two side plates 3 need to be aligned, the positioning guide post 40 in this embodiment is used for limiting the position of the side hole 6 during press-fitting, so that the relative position between the positioning guide post 40 and the support seat 11 is consistent with the relative position between the side hole 6 of the drawbar seat 2 and the shaft sleeve 4, that is, when the side plate 3 is placed on the positioning guide press-fitting device, the side hole 6 of the side plate 3 may correspond to the position of the positioning guide post 40, and the shaft hole of the side plate 3 for press-fitting the shaft sleeve 4 corresponds to the position of the support seat 11. Optionally, since the two sides of each side plate 3 are provided with the side holes 6, two positioning guide posts 40 in this embodiment may be provided, specifically, as shown in fig. 1 to 4, the two positioning guide posts 40 are respectively provided at two sides of the supporting seat 11.
In addition, the bracket 30 is fixedly provided on the top side of the support guide 10, and the positioning guide 20 is provided on the bracket 30; the positioning guide 20 is movable in the height direction along the bracket 30 corresponding to the position of the pin hole 5 of the boss 4. Specifically, the bracket 30 is provided with a slide groove in the height direction, and the positioning guide 20 is disposed in the slide groove so that the positioning guide 20 is movable along the bracket 30 in the height direction, while the positioning guide 20 is immovable in the horizontal direction, i.e., fixed in the horizontal direction. Meanwhile, the side edge of the shaft sleeve 4 is provided with a middle threaded hole, namely a pin hole 5, and the position of the pin hole 5 is limited by the positioning guide part 20 during press mounting, so that the phase relation between the pin hole 5 and the side hole 6 of the side plate 3 can be ensured; meanwhile, the press mounting device can stably move along with the shaft sleeve 4 in the sliding groove of the support 30 along the height direction in the press mounting process, and the press mounting of the shaft sleeve 4 can not be hindered.
The working process of the positioning and guiding press-fitting device provided by the embodiment is as follows: when the draw bar seat needs to be pressed, a side plate 3 is placed on the positioning guide pressing device, and the side hole 6 of the side plate 3 can pass through the positioning guide post 40; meanwhile, the liftable supporting seat 11 can pass through the shaft hole of the side plate 3. Then, the shaft sleeve 4 is placed on the supporting seat 11, and can be smoothly press-fitted into the shaft hole of the side plate 3 under the guiding action of the liftable supporting seat 11 based on the press-fitting device, and the press-fitting schematic diagram at this time is shown in fig. 8. Then, the other side plate 3 is placed on the shaft sleeve 4, and the side hole 6 of the other side plate 3 also passes through the positioning guide column 40, at this time, the other end of the shaft sleeve 4 can be also pressed into the shaft hole of the side plate 3 by using the pressing device, and the pressing schematic diagram at this time can be seen in fig. 9.
According to the positioning and guiding press-fitting device provided by the embodiment of the invention, the top of the supporting and guiding part is provided with the supporting seat and the positioning and guiding column, and the positions of the supporting seat and the positioning and guiding column respectively correspond to the side holes of the shaft sleeve and the side plate; and then, the position of the shaft sleeve pin hole is limited by the positioning guide part fixed in the horizontal direction, so that the phase relation between the shaft sleeve pin hole and the side hole of the side plate can be ensured when the shaft sleeve is pressed in the shaft hole of the side plate. Simultaneously, the corresponding limit hole of two curb plates all passes same location guide post, can guarantee that the axiality in two curb plate limit holes is unanimous.
On the basis of the above embodiment, referring to fig. 2, the support guide 10 further includes a guide base 12, a spring base 13, a support spring 14, and an upper base 15.
Wherein, the guide seat 12 is provided with a cavity, and the spring base 13 is arranged at the bottom of the cavity of the guide seat 12; one end of the supporting spring 14 is fixedly connected with the spring base 13, the other end is fixedly connected with the supporting seat 11, the supporting seat 11 is arranged at the opening of the cavity of the guide seat 12, and the supporting seat 11 can be lifted up and down under the action of the supporting spring 14. The upper base 15 is fixedly disposed on the upper portion of the guide base 12 for fixing the bracket 30 and the positioning guide post 40, i.e., both the bracket 30 and the positioning guide post 40 can be fixed on the upper base 15.
In this embodiment, the positioning and guiding press-fitting device may further include a bottom plate 50; the support guide 10 is fixed to the base plate 50. In this case, the cavity of the guide seat 12 may be a through hole, and the spring seat 13 may be directly disposed on the bottom plate 50. Those skilled in the art will appreciate that the spring mount 13 may be a unitary structure with the base plate 50.
Optionally, a limiting protrusion 112 is disposed around the bottom of the supporting seat 11, the size of the limiting protrusion 112 is the same as the size of the cavity of the guiding seat 12, and the size of the opening of the cavity of the guiding seat 12 is smaller than the size of the limiting protrusion 112. In this embodiment, the cavity opening of the guide seat 12 has a smaller size, so that the support seat 11 cannot be completely ejected from the cavity opening, that is, the upper limit of the support seat 11 is realized by the limit protrusion 112.
In addition, the height of the supporting seat 11 outside the cavity opening of the guide seat 12 is not less than the thickness of the side plate 3 of the drawbar seat 2, so that even under the limiting action of the limiting protrusion 112, the top of the supporting seat 11 can still completely penetrate through the shaft hole of the side plate 3, and the shaft sleeve 4 is conveniently arranged on the supporting seat 11 during press fitting.
In the embodiment, the supporting seat 11 moves up and down by using the supporting spring 14, so that the supporting seat 11 can conveniently penetrate through the shaft hole of the side plate 3 during press mounting; meanwhile, the supporting spring 14 can play a damping role during press mounting, so that the shaft sleeve 4 of the draw bar seat can be stably and uniformly pressed into the side plate 3, and the press mounting quality can be ensured.
On the basis of the above embodiment, referring to fig. 2, the positioning guide part 20 includes the guide pin 21, the guide spring 22 and the housing 23, and the guide pin 21 and the guide spring 22 are disposed in the groove of the housing 23. One end of the guide spring 22 is fixedly connected with the inner side of the groove of the shell 23, and the other end is fixedly connected with the guide pin 21.
In this embodiment, the bracket 30 is perpendicular to the side surface of the upper base 15, the guide pin 21 can move in the groove of the housing 23 through the guide spring 22 inside the guide pin 21, and the guide pin 21 can be placed in the pin hole 5 of the shaft sleeve 4 or outside the pin hole 5 of the shaft sleeve 4. One end of the guide pin 21 is disposed inside the pin hole 5 of the sleeve 4 when the sleeve 4 is press-fitted to the side plate 3 for the first time, so that the phase relationship between the drawbar seat sleeve 4 and the drawbar seat side plate 3 can be secured, and the guide pin can be smoothly operated in the bracket 30 along with the drawbar seat sleeve 4 in the press-fitting process. Further, when the bracket 30 is provided with a slide groove, the housing 23 may be disposed in the slide groove to realize the sliding of the positioning guide 20 in the height direction.
Optionally, referring to fig. 1 to 4, the positioning and guiding press-fitting device further includes a pressing cover 60; the bottom of the gland 60 is provided with a second step bulge 601, and the size of the second step bulge 601 is matched with the size of the inner bore of the shaft sleeve 4. When the shaft sleeve 4 is press-fitted into the shaft hole of the side plate 3, one end of the shaft sleeve 4 is disposed on the support base 11, and the press-fitting device is disposed at the other end of the shaft sleeve 4, and the press-fitting device realizes the press-fitting of the shaft sleeve 4 by pressing down the press-fitting cover 60.
According to the positioning and guiding press-fitting device provided by the embodiment of the invention, the top of the supporting and guiding part is provided with the supporting seat and the positioning and guiding column, and the positions of the supporting seat and the positioning and guiding column respectively correspond to the side holes of the shaft sleeve and the side plate; and then, the position of the shaft sleeve pin hole is limited by the positioning guide part fixed in the horizontal direction, so that the phase relation between the shaft sleeve pin hole and the side hole of the side plate can be ensured when the shaft sleeve is pressed in the shaft hole of the side plate. Simultaneously, the corresponding limit hole of two curb plates all passes same location guide post, can guarantee that the axiality in two curb plate limit holes is unanimous. The supporting spring is utilized to realize the up-and-down movement of the supporting seat, and the supporting seat conveniently passes through the shaft hole of the side plate during press mounting; meanwhile, the supporting spring can play a damping role during press mounting, so that the shaft sleeve of the draw bar seat can be stably and uniformly pressed into the side plate, and the press mounting quality can be ensured.
Based on the same inventive concept, the embodiment of the invention also provides a positioning and guiding press-fitting method based on the positioning and guiding press-fitting device. Specifically, the method comprises the following steps:
step A1: the lower side plate of the draw bar seat 2 is placed on the positioning and guiding press-fitting device, the supporting seat 11 of the positioning and guiding press-fitting device penetrates through the shaft hole of the lower side plate, and the positioning guide column 40 of the positioning and guiding press-fitting device penetrates through the side hole 6 of the lower side plate.
Step A2: the shaft sleeve 4 of the draw bar seat 2 is arranged at the top of the support seat 11, one end of the positioning guide part 20 is arranged in the pin hole 5 of the shaft sleeve 4, and one end of the shaft sleeve 4 is pressed into the shaft hole of the lower side plate 3 by using a pressing device. The press-fitting schematic at this time can be specifically seen in fig. 8.
Step A3: the upper side plate 3 of the draw bar seat 2 is placed on the other end of the shaft sleeve 4, the positioning guide post 40 passes through the side hole of the upper side plate 3, and the other end of the shaft sleeve 4 is pressed into the shaft hole of the upper side plate 3 by using a pressing device. The press-fitting schematic at this time can be specifically seen in fig. 9.
According to the positioning guiding press-fitting method provided by the embodiment of the invention, the integral press-fitting of the draw bar seat is realized through two-step press-fitting. In the first step of press fitting process, a side plate is placed on the positioning and guiding press fitting device, the shaft sleeve and the side hole of the side plate are positioned through the supporting seat and the positioning and guiding column of the positioning and guiding press fitting device, and the position of the pin hole of the shaft sleeve is limited by the positioning and guiding part, so that the phase relation between the pin hole of the shaft sleeve and the side hole of the side plate can be ensured when the shaft sleeve is pressed into the shaft hole of the side plate. In the second step of press fitting process, the corresponding side holes of the two side plates penetrate through the same positioning guide column, so that the coaxiality of the side holes of the two side plates can be ensured to be consistent. In addition, the support spring is utilized to realize the up-and-down movement of the support seat, so that the support seat can conveniently pass through the shaft hole of the side plate during press mounting; meanwhile, the supporting spring can play a damping role during press mounting, so that the shaft sleeve of the draw bar seat can be stably and uniformly pressed into the side plate, and the press mounting quality can be ensured.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a location direction pressure equipment device of drawbar seat which characterized in that includes: the support guide part, the positioning guide part, the bracket and the positioning guide column are arranged on the support;
the supporting guide part comprises a supporting seat, the supporting seat is arranged at the top of the supporting guide part in a lifting mode, and the supporting seat is used for supporting a shaft sleeve of the draw bar seat during press mounting;
the positioning guide post is fixedly arranged at the top of the supporting guide part, and the relative position between the positioning guide post and the supporting seat is consistent with the relative position between the side hole of the draw bar seat and the shaft sleeve;
the support is fixedly arranged on the side surface of the top of the supporting guide part, and the positioning guide part is arranged on the support; the positioning guide part can move along the support in the height direction and corresponds to the position of the pin hole of the shaft sleeve.
2. The positioning and guiding press-fitting device according to claim 1,
the top outer contour of the supporting seat is matched with the shaft hole of the draw bar seat;
the top of supporting seat is equipped with first step arch, the protruding size of first step with the internal aperture size phase-match of axle sleeve.
3. The positioning and guiding press-fitting device according to claim 1, wherein the supporting and guiding part further comprises a guide seat, a spring base, a supporting spring and an upper base;
the guide seat is provided with a cavity, and the spring base is arranged at the bottom of the cavity of the guide seat;
one end of the supporting spring is fixedly connected with the spring base, the other end of the supporting spring is fixedly connected with the supporting seat, and the supporting seat is arranged at the opening of the cavity of the guide seat;
the upper base is fixedly arranged on the upper part of the guide seat and used for fixing the support and the positioning guide column.
4. The positioning and guiding press-fitting device according to claim 3, wherein a limiting protrusion is arranged around the bottom of the supporting seat, the size of the limiting protrusion is consistent with that of the cavity of the guiding seat, and the size of the opening of the cavity of the guiding seat is smaller than that of the limiting protrusion;
the height of the supporting seat outside the cavity opening of the guide seat is not less than the thickness of the side plate of the draw bar seat.
5. The positioning and guiding press-fitting device according to claim 1, further comprising a base plate;
the support guide part is fixed on the bottom plate.
6. The positioning and guiding press-fitting device according to claim 1, wherein the positioning and guiding portion comprises a guiding pin, a guiding spring and a housing, and the guiding pin and the guiding spring are both arranged in a groove of the housing;
one end of the guide spring is fixedly connected with the inner side of the groove of the shell, and the other end of the guide spring is fixedly connected with the guide pin.
7. The positioning and guiding press-fitting device according to claim 6, wherein the bracket is provided with a sliding groove;
the housing is disposed within the chute.
8. The positioning and guiding press-fitting device according to claim 1, wherein the number of the positioning and guiding columns is two; the two positioning guide columns are respectively arranged on two sides of the supporting seat.
9. The positioning and guiding press-fitting device according to any one of claims 1 to 8, further comprising a press-fit cover;
the bottom of the gland is provided with a second step bulge, and the size of the second step bulge is matched with the size of the inner aperture of the shaft sleeve.
10. A positioning and guiding press-fitting method based on the positioning and guiding press-fitting device according to any one of claims 1 to 9, comprising:
placing a lower side plate of a draw bar seat on the positioning guiding press-fitting device, wherein a support seat of the positioning guiding press-fitting device penetrates through a shaft hole of the lower side plate, and a positioning guide column of the positioning guiding press-fitting device penetrates through a side hole of the lower side plate;
arranging a shaft sleeve of the draw bar seat at the top of the supporting seat, arranging one end of the positioning guide part in a pin hole of the shaft sleeve, and pressing one end of the shaft sleeve into a shaft hole of the lower side plate by using a pressing device;
and placing the upper side plate of the draw bar seat on the other end of the shaft sleeve, enabling the positioning guide column to penetrate through the side hole of the upper side plate, and pressing the other end of the shaft sleeve into the shaft hole of the upper side plate by using the pressing device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655024.3A CN110370222B (en) | 2019-07-19 | 2019-07-19 | Positioning, guiding and press-fitting device and method for draw bar seat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910655024.3A CN110370222B (en) | 2019-07-19 | 2019-07-19 | Positioning, guiding and press-fitting device and method for draw bar seat |
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| CN110370222A CN110370222A (en) | 2019-10-25 |
| CN110370222B true CN110370222B (en) | 2020-12-15 |
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| CN110370222A (en) | 2019-10-25 |
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