CN114193367A - Assembling die - Google Patents
Assembling die Download PDFInfo
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- CN114193367A CN114193367A CN202111231732.8A CN202111231732A CN114193367A CN 114193367 A CN114193367 A CN 114193367A CN 202111231732 A CN202111231732 A CN 202111231732A CN 114193367 A CN114193367 A CN 114193367A
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- guide
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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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The application provides an assembling die which comprises a first sliding block, a second sliding block, a first ejector block, a second ejector block, a guide rod and a base, wherein the guide rod is fixedly connected with the base, the first sliding block is connected with the guide rod in a sliding mode, and the second sliding block is connected with the guide rod in a sliding mode; a first positioning groove is formed in one end, close to the second ejector block, of the first ejector block, a second positioning groove is formed in one end, close to the first ejector block, of the second ejector block, the central axis of the first positioning groove and the central axis of the second positioning groove are located on the same straight line, a first hole flat position is formed in the inner wall of the first positioning groove, and a second hole flat position is formed in the inner wall of the second positioning groove; the first hole flat position is parallel to the second hole flat position. The first hole flat position and the second hole flat position are in a parallel state, in the assembling process, the first shaft flat position is matched with the first hole flat position, the second shaft flat position is matched with the second hole flat position, and after the assembling is finished, the first shaft flat position and the second shaft flat position can be kept in a parallel state.
Description
Technical Field
The application relates to the technical field of molds, in particular to an assembling mold.
Background
There is a kind of assembling mould among the prior art for assemble the precision part, for example, when assembling together two transmission shafts (input shaft and output shaft) in prior art, use the shaft coupling usually to assemble the butt joint, set up the spline on the tip outer wall of input shaft and output shaft usually, the key tooth thickness of spline is less, form the sword strip parallel with the axial on the side of input shaft and output shaft, the both ends inner wall diameter of shaft coupling slightly is less than the diameter of input shaft and output shaft tip and when inserting the shaft coupling tip with input shaft and output shaft tip, the port inner wall of shaft coupling is cut along the axial to the spline, after the spline inserts the shaft coupling port, closely cooperate between spline surface and the shaft coupling, realize reciprocal anchorage.
The mould of assembling among the prior art includes pressure head and lower mould, the pressure head is directly over the lower mould, assemble the in-process, vertically fix the shaft coupling on the lower mould, vertically fix the input shaft on the pressure head, the press drives the pressure head downstream, thereby drive the input shaft and insert the shaft coupling, accomplish the butt joint of assembling between input shaft and the shaft coupling, then turn over 180 degrees backs with the shaft coupling and vertically fix on the lower mould, vertically fix the output shaft on the pressure head, the press drives the pressure head downstream, thereby drive the other end that the output shaft inserted the shaft coupling, accomplish the butt joint of assembling between output shaft and the shaft coupling, finally accomplish the butt joint of assembling between input shaft and the output shaft.
Because the input shaft and the output shaft in the prior art have axle flat position at the one end that does not set up the spline, the axle flat position on input shaft and the output shaft cooperates with other drive disk assembly respectively to need two axle flat position planes to be parallel to each other, however, assemble the mould in the prior art and need divide two steps at least and assemble input shaft and output shaft and shaft coupling respectively and dock, it is difficult to guarantee two axle flat position and whether be in the state parallel to each other.
Disclosure of Invention
The application provides an assemble mould for solve and assemble the butt joint through the shaft coupling at input shaft and output shaft among the prior art and be difficult to guarantee the flat parallel problem of position of the axle of input shaft and the flat position of the axle of output shaft.
In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:
an assembling die comprises a first sliding block, a second sliding block, a first ejector block, a second ejector block, a guide rod and a base, wherein the guide rod is horizontally arranged, the guide rod is fixedly connected with the base, the first sliding block is in sliding connection with the guide rod along the direction parallel to the guide rod, and the second sliding block is in sliding connection with the guide rod along the direction parallel to the guide rod;
the first top block and the second top block are positioned between the first sliding block and the second sliding block, the first top block is positioned between the first sliding block and the second top block, and the second top block is positioned between the first top block and the second sliding block;
a first positioning groove is formed in the end face of one end, close to the second ejector block, of the first ejector block, the first positioning groove is cylindrical, a second positioning groove is formed in the end face of one end, close to the first ejector block, of the second ejector block, the second positioning groove is cylindrical, the central axis of the first positioning groove and the central axis of the second positioning groove are located on the same straight line, the central axis of the first positioning groove is parallel to the guide rod, the diameter of the first positioning groove is equal to that of the input shaft, and the diameter of the second positioning groove is equal to that of the output shaft;
a first hole flat position capable of being matched with the first shaft flat position is arranged on the inner wall of one end, away from the second ejector block, of the first positioning groove, and a second hole flat position capable of being matched with the second shaft flat position is arranged on the inner wall of one end, away from the first ejector block, of the second positioning groove;
the axial length of the first positioning groove is greater than that of the first hole flat position, and the axial length of the input shaft minus the axial length of the first spline is greater than or equal to that of the first positioning groove;
the axial length of the second positioning groove is greater than that of the second hole flat position, and the axial length of the output shaft minus the axial length of the second spline is greater than or equal to that of the second positioning groove;
the first hole flat position is parallel to the second hole flat position.
In some embodiments, the outer wall of the first ejector block is cylindrical, the central axis of the outer wall of the first ejector block and the central axis of the inner wall of the first positioning groove are located on the same straight line, the diameter of the outer wall of the first ejector block is equal to that of the outer wall of the first connecting sleeve, the assembling die further comprises a first guide sleeve, the first ejector block is inserted into the first guide sleeve, the diameter of the outer wall of the first ejector block is equal to that of the inner wall of the first guide sleeve, and the outer wall of the first ejector block and the inner wall of the first guide sleeve are connected in a sliding mode along a direction parallel to the guide rod;
the axial length of the input shaft minus the axial length of the first spline is equal to the axial length of the first positioning groove, and the sum of the axial length of the first ejector block and the axial length of the first spline is smaller than the axial length of the first guide sleeve.
In some embodiments, the outer wall of the second ejector block is cylindrical, the central axis of the outer wall of the second ejector block and the central axis of the second positioning groove are located on the same straight line, the diameter of the outer wall of the second ejector block is equal to that of the outer wall of the second connecting shaft sleeve, the assembling die further comprises a second guide sleeve, the second ejector block is inserted into the second guide sleeve, the diameter of the outer wall of the second ejector block is equal to that of the inner wall of the second guide sleeve, and the outer wall of the second ejector block and the inner wall of the second guide sleeve are connected in a sliding mode along a direction parallel to the guide rod;
the axial length of the output shaft minus the axial length of the second spline is equal to the axial length of the second positioning groove, and the sum of the axial length of the second ejector block and the axial length of the second spline is smaller than the axial length of the second guide sleeve.
In some embodiments, the assembling die further comprises a fixed-length cylinder, the diameter of the fixed-length cylinder is equal to the diameter of the inner wall of the first connecting sleeve, and the sum of the axial length of the first connecting sleeve minus the axial length of the first assembling port and the axial length of the second connecting sleeve minus the axial length of the second assembling port is smaller than the axial length of the fixed-length cylinder.
In some embodiments, the first sliding block is disc-shaped, the central axis of the first sliding block and the central axis of the first positioning groove are located on the same straight line, the first sliding block is provided with a plurality of first guide holes, the first guide holes are arranged in a direction parallel to the guide rods, the first guide holes penetrate through the first sliding block in a direction parallel to the guide rods, one end of each guide rod is inserted into the first guide hole, the outer wall of each guide rod is slidably connected with the inner wall of the corresponding first guide hole in a direction parallel to the guide rods, and the outer wall of each guide rod is tightly matched with the inner wall of the corresponding first guide hole.
In some embodiments, the second slider is disc-shaped, a central axis of the second slider and a central axis of the second positioning groove are located on the same straight line, the second slider is provided with a plurality of second guide holes, the second guide holes are arranged in a direction parallel to the guide rods, the second guide holes penetrate through the second slider in a direction parallel to the guide rods, the other ends of the guide rods are inserted into the second guide holes, outer walls of the guide rods are slidably connected with inner walls of the second guide holes in a direction parallel to the guide rods, and outer walls of the guide rods are tightly matched with inner walls of the second guide holes.
In some embodiments, the number of the guide rods is an odd number.
In some embodiments, the guide rods are distributed in an equiangular circumferential array around the central axis of the first positioning groove, the height of the central axis of the guide rods is less than or equal to the height of a horizontal plane passing through the central axis of the first positioning groove, and the guide rods are symmetrically arranged with a vertical plane passing through the central axis of the first positioning groove as a symmetry plane.
In some embodiments, the spacing between adjacent guide rods is less than the diameter of the output shaft.
In some embodiments, the base includes a bottom plate, a first vertical plate and a second vertical plate, the bottom plate is horizontally disposed, the first vertical plate and the second vertical plate are vertically disposed, the first vertical plate is parallel to the second vertical plate, the first vertical plate and the second vertical plate are located above the bottom plate, the lower end of the first vertical plate is fixedly connected to the upper surface of the bottom plate, the lower end of the second vertical plate is fixedly connected to the upper surface of the bottom plate, the bottom plate is rectangular, the length direction of the bottom plate is parallel to the guide rod, and the first vertical plate is perpendicular to the guide rod;
the first vertical plate and the second vertical plate are respectively positioned at two ends of the bottom plate, the first sliding block and the second sliding block are positioned between the first vertical plate and the second vertical plate, the first sliding block and the second sliding block are positioned right above the bottom plate, one end of the guide rod is fixedly connected with the first vertical plate, and the other end of the guide rod is fixedly connected with the second vertical plate;
the assembly mould also comprises a first hydraulic cylinder and a second hydraulic cylinder, the body of the first hydraulic cylinder is fixedly connected with the first vertical plate, the first hydraulic cylinder is positioned on one side of the first vertical plate far away from the second vertical plate, a piston rod of the first hydraulic cylinder is fixedly connected with the end face of one end of the first slide block far away from the second slide block, the telescopic direction of the first hydraulic cylinder is parallel to the guide rod, the cylinder body of the second hydraulic cylinder is fixedly connected with the second vertical plate, the second hydraulic cylinder is positioned on one side of the second vertical plate far away from the first vertical plate, a piston rod of the second hydraulic cylinder is fixedly connected with the end face of one end of the second slide block far away from the first slide block, the flexible direction of second pneumatic cylinder with the guide bar is parallel, the axis of the piston rod of first pneumatic cylinder, the axis of the piston rod of second pneumatic cylinder and the axis of first constant head tank are located same straight line.
Has the advantages that:
according to the assembling die, the first sliding block, the second sliding block, the first ejection block and the second ejection block are positioned in advance through the guide rod, the first hole flat position and the second hole flat position are in a parallel state, and when the first sliding block and the second sliding block drive the first ejection block and the second ejection block to slide along the guide rod respectively, the first hole flat position and the second hole flat position cannot rotate relatively and can be kept in a parallel state all the time;
during working, one end of the input shaft, which is provided with a first shaft flat position, is inserted into the first positioning groove, after the end face of the input shaft is axially jacked to a step face formed by the first hole flat position, thrust in the direction of inserting into the first positioning groove is continuously applied to the input shaft, meanwhile, the input shaft is rotated, and after the first shaft flat position and the first hole flat position are axially aligned, the input shaft is inserted until the first shaft flat position and the first hole flat position are overlapped together, so that butt joint between the input shaft and the first jacking block is completed;
inserting one end of the output shaft, which is provided with a second shaft flat position, into a second positioning groove, continuously applying a thrust force in the direction of inserting into the second positioning groove to the output shaft after the end surface of the output shaft axially jacks a step surface formed by the second hole flat position, simultaneously rotating the output shaft, and inserting the output shaft until the second shaft flat position and the second hole flat position are overlapped after the second shaft flat position and the second hole flat position are axially aligned, so that the output shaft is butted with a second jacking block;
sleeving the first guide sleeve on the first ejector block until the end face of the first guide sleeve is axially abutted against the first sliding block, and sleeving the second guide sleeve on the second ejector block until the end face of the second guide sleeve is axially abutted against the second sliding block;
inserting one end, far away from the first flange, of the first connecting shaft sleeve into the first guide sleeve until the end face of one end, far away from the first flange, of the first connecting shaft sleeve is axially abutted against the end face of the first ejector block, and inserting one end, far away from the second flange, of the second connecting shaft sleeve into the second guide sleeve until the end face of one end, far away from the second flange, of the second connecting shaft sleeve is axially abutted against the end face of the second ejector block;
inserting one end of a fixed-length cylinder into a first connecting shaft sleeve, manually moving a first sliding block and a second sliding block to enable the first sliding block and the second sliding block to be close to each other until the other end of the fixed-length cylinder is inserted into a second connecting shaft sleeve, wherein the end face of a first spline is abutted to the edge of a first assembling port in the axial direction, the end face of a second spline is abutted to the edge of a second assembling port in the axial direction, and the first sliding block and the second sliding block are close to each other due to large resistance caused by the fact that manual pushing cannot be continued;
the first flange plate and the second flange plate are fastened and connected together by using bolts, and the fixed-length cylinder can be respectively abutted against the end surfaces of the first assembling opening and the second assembling opening along the axial direction, so that the first connecting shaft sleeve and the second connecting shaft sleeve are limited to be in transition close to each other, the first spline is ensured to be pressed and installed in place in the first assembling opening, and the second spline is ensured to be pressed and installed in place in the second assembling opening;
in the whole assembling and butt joint process, the first shaft flat position and the second shaft flat position are always kept in a parallel state, and the axial length of each part is set, so that the first spline can be pressed in place in the first assembling port, and the second spline can be pressed in place in the second assembling port.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a splicing mold in an embodiment of the present application;
FIG. 2 is a schematic view of a connection structure of a first slide block, a second slide block and a guide rod in an embodiment of the present application;
fig. 3 is a schematic view of a connection structure between a first top block, a second top block, an input shaft, an output shaft and a coupling in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a first positioning groove, a second positioning groove, a first assembling opening and a second assembling opening in the embodiment of the present application;
fig. 5 is a schematic structural diagram of another splicing mold in the embodiment of the present application.
Reference numerals:
101. a first slider; 102. a second slider; 103. a first top block; 104. a second top block; 105. a guide bar; 106. a base; 107. a first positioning groove; 108. a second positioning groove; 109. a first hole flat position; 110. a second hole flat position; 111. a first guide sleeve; 112. a second guide sleeve; 113. a fixed-length cylinder; 114. a first guide hole; 115. a second guide hole; 116. a base plate; 117. a first vertical plate; 118. a second vertical plate; 119. a first hydraulic cylinder; 120. a second hydraulic cylinder; 121. a coupling; 122. an input shaft; 123. a first spline; 124. a first shaft flat position; 125. an output shaft; 126. a second spline; 127. a second shaft flat position; 128. a first connecting shaft sleeve; 129. a second coupling sleeve; 130. a first splicing opening; 131. a second splicing opening; 132. a first flange plate; 133. a second flange.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the terms "a particular example," "one embodiment," "an example," "some embodiments," "some examples," "some embodiments," or "possible embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
For the convenience of understanding the technical solution of the present application, the structure of the input shaft 122, the output shaft 125 and the coupling 121 in the prior art will be described:
one end of the input shaft 122 is provided with a first spline 123, the other end of the input shaft 122 is provided with a first shaft flat position 124, one end of the output shaft 125 is provided with a second spline 126, and the other end of the output shaft 125 is provided with a second shaft flat position 127; the coupler 121 comprises a first connecting shaft sleeve 128 and a second connecting shaft sleeve 129, the diameter of the inner wall of the first connecting shaft sleeve 128 is equal to that of the inner wall of the second connecting shaft sleeve 129, the diameter of the outer wall of the first connecting shaft sleeve 128 is equal to that of the outer wall of the second connecting shaft sleeve 129, the first connecting shaft sleeve 128 and the second connecting shaft sleeve 129 are arranged in a direction parallel to the guide rod 105, a first assembling opening 130 for inserting the first spline 123 is formed in one end, away from the second connecting shaft sleeve 129, of the first connecting shaft sleeve 128, a second assembling opening 131 for inserting the second spline 126 is formed in one end, away from the first connecting shaft sleeve 128, of the second connecting shaft sleeve 129, a first flange 132 is fixedly connected to the outer wall of one end, close to the second connecting shaft sleeve 129, of the first connecting shaft sleeve 128, and a second flange 133 is fixedly connected to the outer wall of one end, close to the first connecting shaft sleeve 129, of the second connecting shaft sleeve 129; the diameter of the first split opening 130 is smaller than the diameter of the inner wall of the first boss 128, and the diameter of the second split opening 131 is smaller than the diameter of the inner wall of the second boss 129.
As shown in fig. 1 to 5, in an embodiment of the present application, there is provided a splicing mold, including a first slider 101, a second slider 102, a first top block 103, a second top block 104, a guide rod 105 and a base 106, wherein the guide rod 105 is horizontally disposed, the guide rod 105 is fixedly connected with the base 106, the first slider 101 is slidably connected with the guide rod 105 along a direction parallel to the guide rod 105, and the second slider 102 is slidably connected with the guide rod 105 along a direction parallel to the guide rod 105; the first top block 103 and the second top block 104 are positioned between the first slider 101 and the second slider 102, the first top block 103 is positioned between the first slider 101 and the second top block 104, and the second top block 104 is positioned between the first top block 103 and the second slider 102; a first positioning groove 107 is formed in the end face of one end, close to the second ejector block 104, of the first ejector block 103, the first positioning groove 107 is cylindrical, a second positioning groove 108 is formed in the end face of one end, close to the first ejector block 103, of the second ejector block 104, the second positioning groove 108 is cylindrical, the central axis of the first positioning groove 107 and the central axis of the second positioning groove 108 are located on the same straight line, the central axis of the first positioning groove 107 is parallel to the guide rod 105, the diameter of the first positioning groove 107 is equal to that of the input shaft 122, and the diameter of the second positioning groove 108 is equal to that of the output shaft 125; a first hole flat position 109 capable of being matched with the first shaft flat position 124 is arranged on the inner wall of one end, away from the second top block 104, of the first positioning groove 107, and a second hole flat position 110 capable of being matched with the second shaft flat position 127 is arranged on the inner wall of one end, away from the first top block 103, of the second positioning groove 108; the axial length of the first positioning groove 107 is greater than the axial length of the first hole flat 109, and the axial length of the input shaft 122 minus the axial length of the first spline 123 is greater than or equal to the axial length of the first positioning groove 107; the axial length of the second detent 108 is greater than the axial length of the second hole land 110, and the axial length of the output shaft 125 minus the axial length of the second spline 126 is greater than or equal to the axial length of the second detent 108; the first hole flat 109 is parallel to the second hole flat 110. Preferably, the first aperture flat 109 is in the same plane as the second aperture flat 110.
In the assembling die provided by this embodiment, the first slider 101, the second slider 102, the first top block 103 and the second top block 104 are positioned in advance through the guide rod 105, the first hole flat position 109 and the second hole flat position 110 are in a parallel state, and when the first slider 101 and the second slider 102 respectively drive the first top block 103 and the second top block 104 to slide along the guide rod 105, the first hole flat position 109 and the second hole flat position 110 do not rotate relatively, and can always keep in a parallel state; in the assembling process, the first shaft flat position 124 is matched with the first hole flat position 109, and the second shaft flat position 127 is matched with the second hole flat position 110, so that after the assembling is finished, the first shaft flat position 124 and the second shaft flat position 127 are kept in a parallel state.
In some embodiments, the outer wall of the first top block 103 is cylindrical, the central axis of the outer wall of the first top block 103 and the central axis of the inner wall of the first positioning groove 107 are located on the same straight line, the diameter of the outer wall of the first top block 103 is equal to the diameter of the outer wall of the first connecting sleeve 128, the assembling mold further includes a first guide sleeve 111, the first top block 103 is inserted into the first guide sleeve 111, the diameter of the outer wall of the first top block 103 is equal to the diameter of the inner wall of the first guide sleeve 111, and the outer wall of the first top block 103 and the inner wall of the first guide sleeve 111 are connected in a sliding manner along a direction parallel to the guide rod 105; the axial length of the input shaft 122 minus the axial length of the first spline 123 is equal to the axial length of the first positioning groove 107, and the sum of the axial length of the first kicker block 103 and the axial length of the first spline 123 is smaller than the axial length of the first guide sleeve 111.
In some embodiments, the outer wall of the second top block 104 is cylindrical, the central axis of the outer wall of the second top block 104 is located on the same straight line as the central axis of the second positioning groove 108, the diameter of the outer wall of the second top block 104 is equal to the diameter of the outer wall of the second connecting shaft sleeve 129, the assembling mold further includes a second guide sleeve 112, the second top block 104 is inserted into the second guide sleeve 112, the diameter of the outer wall of the second top block 104 is equal to the diameter of the inner wall of the second guide sleeve 112, and the outer wall of the second top block 104 is slidably connected with the inner wall of the second guide sleeve 112 in a direction parallel to the guide rod 105; the axial length of the output shaft 125 minus the axial length of the second spline 126 is equal to the axial length of the second detent 108, and the sum of the axial length of the second top block 104 and the axial length of the second spline 126 is less than the axial length of the second guide sleeve 112.
In some embodiments, the split mold further comprises a split cylinder 113, the diameter of the split cylinder 113 is equal to the diameter of the inner wall of the first bushing 128, and the sum of the axial length of the first bushing 128 minus the axial length of the first split opening 130 and the axial length of the second bushing 129 minus the axial length of the second split opening 131 is less than the axial length of the split cylinder 113.
In some embodiments, the first slider 101 is disc-shaped, the central axis of the first slider 101 and the central axis of the first positioning groove 107 are located on the same straight line, the first slider 101 is provided with a plurality of first guide holes 114, the first guide holes 114 are arranged in a direction parallel to the guide rod 105, the first guide holes 114 penetrate through the first slider 101 in a direction parallel to the guide rod 105, one end of the guide rod 105 is inserted into the first guide holes 114, the outer wall of the guide rod 105 is slidably connected with the inner wall of the first guide holes 114 in a direction parallel to the guide rod 105, and the outer wall of the guide rod 105 is tightly matched with the inner wall of the first guide holes 114.
In some embodiments, the second slider 102 is disc-shaped, the central axis of the second slider 102 and the central axis of the second positioning groove 108 are located on the same straight line, the second slider 102 is provided with a plurality of second guide holes 115, the second guide holes 115 are arranged in a direction parallel to the guide rod 105, the second guide holes 115 penetrate through the second slider 102 in a direction parallel to the guide rod 105, the other end of the guide rod 105 is inserted into the second guide holes 115, the outer wall of the guide rod 105 is slidably connected with the inner wall of the second guide holes 115 in a direction parallel to the guide rod 105, and the outer wall of the guide rod 105 is tightly matched with the inner wall of the second guide holes 115.
In some embodiments, there are at least three guide rods 105, and the number of guide rods 105 is an odd number.
In some embodiments, the guide rods 105 are distributed in an equiangular circumferential array around the central axis of the first positioning groove 107, the height of the central axis of the guide rods 105 is less than or equal to the height of a horizontal plane passing through the central axis of the first positioning groove 107, and the guide rods 105 are symmetrically arranged with respect to a vertical plane passing through the central axis of the first positioning groove 107.
In some embodiments, the spacing between adjacent guide rods 105 is less than the diameter of the output shaft 125.
In some embodiments, the base 106 includes a bottom plate 116, a first upright plate 117 and a second upright plate 118, the bottom plate 116 is horizontally disposed, the first upright plate 117 and the second upright plate 118 are vertically disposed, the first upright plate 117 is parallel to the second upright plate 118, the first upright plate 117 and the second upright plate 118 are located above the bottom plate 116, the lower end of the first upright plate 117 is fixedly connected to the upper surface of the bottom plate 116, the lower end of the second upright plate 118 is fixedly connected to the upper surface of the bottom plate 116, the bottom plate 116 is rectangular, the length direction of the bottom plate 116 is parallel to the guide bar 105, and the first upright plate 117 is perpendicular to the guide bar 105; the first vertical plate 117 and the second vertical plate 118 are respectively located at two ends of the bottom plate 116, the first slider 101 and the second slider 102 are located between the first vertical plate 117 and the second vertical plate 118, the first slider 101 and the second slider 102 are located right above the bottom plate 116, one end of the guide rod 105 is fixedly connected with the first vertical plate 117, and the other end of the guide rod 105 is fixedly connected with the second vertical plate 118; the assembling die further comprises a first hydraulic cylinder 119 and a second hydraulic cylinder 120, a cylinder body of the first hydraulic cylinder 119 is fixedly connected with the first vertical plate 117, the first hydraulic cylinder 119 is positioned on one side of the first vertical plate 117, which is far away from the second vertical plate 118, a piston rod of the first hydraulic cylinder 119 is fixedly connected with an end surface of one end of the first slide block 101, which is far away from the second slide block 102, a telescopic direction of the first hydraulic cylinder 119 is parallel to the guide rod 105, a cylinder body of the second hydraulic cylinder 120 is fixedly connected with the second vertical plate 118, the second hydraulic cylinder 120 is positioned on one side of the second vertical plate 118, which is far away from the first vertical plate 117, a piston rod of the second hydraulic cylinder 120 is fixedly connected with an end surface of one end of the second slide block 102, which is far away from the first slide block 101, a telescopic direction of the second hydraulic cylinder 120 is parallel to the guide rod 105, and a central axis of a piston rod of the first hydraulic cylinder 119, the central axis of the piston rod of the second hydraulic cylinder 120 and the central axis of the first positioning groove 107 are located on the same straight line.
According to the assembling die, the first sliding block 101, the second sliding block 102, the first ejection block 103 and the second ejection block 104 are positioned in advance through the guide rod 105, the first hole flat position 109 and the second hole flat position 110 are in a parallel state, and when the first sliding block 101 and the second sliding block 102 drive the first ejection block 103 and the second ejection block 104 to slide along the guide rod 105 respectively, the first hole flat position 109 and the second hole flat position 110 cannot rotate relatively and can be kept in a parallel state all the time;
the working process is as follows:
s1, inserting one end, provided with a first shaft flat position 124, of the input shaft 122 into the first positioning groove 107, continuously applying a thrust force in the direction of inserting the first positioning groove 107 to the input shaft 122 after the end face of the input shaft 122 is axially jacked to a step face formed by the first hole flat position 109, rotating the input shaft 122 at the same time, and inserting the input shaft 122 until the first shaft flat position 124 and the first hole flat position 109 are axially aligned, and overlapping the first shaft flat position 124 and the first hole flat position 109 to complete the butt joint between the input shaft 122 and the first jacking block 103;
s2, inserting one end, provided with a second shaft flat position 127, of the output shaft 125 into the second positioning groove 108, continuing to apply a thrust force in the direction of inserting the second positioning groove 108 to the output shaft 125 after the end face of the output shaft 125 is axially jacked to a step face formed by the second hole flat position 110, rotating the output shaft 125 at the same time, and inserting the output shaft 125 until the second shaft flat position 127 and the second hole flat position 110 are overlapped together after the second shaft flat position 127 and the second hole flat position 110 are axially aligned, so that the output shaft 125 and the second jacking block 104 are butted;
s3, sleeving the first guide sleeve 111 on the first top block 103 until the end face of the first guide sleeve 111 is axially abutted against the first sliding block 101, and sleeving the second guide sleeve 112 on the second top block 104 until the end face of the second guide sleeve 112 is axially abutted against the second sliding block 102;
s4, inserting the end of the first link sleeve 128 far from the first flange 132 into the first guide sleeve 111 until the end surface of the end of the first link sleeve 128 far from the first flange 132 abuts against the end surface of the first top block 103 in the axial direction, inserting the end of the second link sleeve 129 far from the second flange 133 into the second guide sleeve 112 until the end surface of the end of the second link sleeve 129 far from the second flange 133 abuts against the end surface of the second top block 104 in the axial direction;
s5, inserting one end of the fixed-length cylinder 113 into the first coupling sleeve 128, manually moving the first slider 101 and the second slider 102 to make the first slider 101 and the second slider 102 approach each other until the other end of the fixed-length cylinder 113 is inserted into the second coupling sleeve 129, at this time, the end surface of the first spline 123 abuts against the edge of the first assembling opening 130 in the axial direction, the end surface of the second spline 126 abuts against the edge of the second assembling opening 131 in the axial direction, and because of the large resistance, the first slider 101 and the second slider 102 cannot be pushed by hand to approach each other continuously, at this time, the first hydraulic cylinder 119 and the second hydraulic cylinder 120 are started to push the first spline 123 to insert into the first assembling opening 130, and the second spline 126 to insert into the second assembling opening 131, thereby completing the assembling butt joint between the input shaft 122 and the output shaft 125 and the coupling 121;
s6, the first flange plate 132 and the second flange plate 133 are fastened and connected together by using bolts, the fixed-length cylinder 113 can be respectively abutted against the end faces of the first assembling opening 130 and the second assembling opening 131 along the axial direction, the transition approach of the first connecting shaft sleeve 128 and the second connecting shaft sleeve 129 is limited, the first spline 123 is ensured to be pressed and installed in place in the first assembling opening 130, and the second spline 126 is ensured to be pressed and installed in place in the second assembling opening 131;
in the whole assembling and butting process, the first shaft flat position 124 and the second shaft flat position 127 are always kept in a parallel state, and the arrangement of the axial lengths of the components can ensure that the first spline 123 is pressed in the first assembling port 130 and is assembled in place, and the second spline 126 is pressed in the second assembling port 131 and is assembled in place.
The "axial direction" in the present application refers to a direction parallel to the central axis of the first positioning groove 107.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. An assembling die is characterized by comprising a first sliding block, a second sliding block, a first ejector block, a second ejector block, a guide rod and a base, wherein the guide rod is horizontally arranged, the guide rod is fixedly connected with the base, the first sliding block is in sliding connection with the guide rod along the direction parallel to the guide rod, and the second sliding block is in sliding connection with the guide rod along the direction parallel to the guide rod;
the first top block and the second top block are positioned between the first sliding block and the second sliding block, the first top block is positioned between the first sliding block and the second top block, and the second top block is positioned between the first top block and the second sliding block;
the first kicking block is close to be equipped with first constant head tank on the terminal surface of the one end of second kicking block, first constant head tank is cylindrical, the second kicking block is close to be equipped with the second constant head tank on the terminal surface of the one end of first kicking block, the second constant head tank is cylindrical, the axis of first constant head tank with the axis of second constant head tank is located same straight line, the axis of first constant head tank with the guide bar is parallel, and the diameter of first constant head tank equals with the diameter of input shaft, and the diameter of second constant head tank equals with the diameter of output shaft.
The first locating groove is far away from be equipped with the first hole flat position that can match with the first axle flat position on the one end inner wall of second kicking block, the second locating groove is far away from be equipped with the second hole flat position that can match with the second axle flat position on the one end inner wall of first kicking block.
The axial length of the first positioning groove is greater than that of the first hole flat position, and the axial length of the input shaft minus the axial length of the first spline is greater than or equal to that of the first positioning groove;
the axial length of the second positioning groove is greater than that of the second hole flat position, and the axial length of the output shaft minus the axial length of the second spline is greater than or equal to that of the second positioning groove;
the first hole flat position is parallel to the second hole flat position.
2. The assembling die according to claim 1, wherein the outer wall of the first ejector block is cylindrical, the central axis of the outer wall of the first ejector block and the central axis of the inner wall of the first positioning groove are located on the same straight line, the diameter of the outer wall of the first ejector block is equal to that of the outer wall of the first connecting sleeve, the assembling die further comprises a first guide sleeve, the first ejector block is inserted into the first guide sleeve, the diameter of the outer wall of the first ejector block is equal to that of the inner wall of the first guide sleeve, and the outer wall of the first ejector block and the inner wall of the first guide sleeve are connected in a sliding manner in a direction parallel to the guide rod;
the axial length of the input shaft minus the axial length of the first spline is equal to the axial length of the first positioning groove, and the sum of the axial length of the first ejector block and the axial length of the first spline is smaller than the axial length of the first guide sleeve.
3. The assembling die according to claim 2, wherein the outer wall of the second ejector block is cylindrical, the central axis of the outer wall of the second ejector block and the central axis of the second positioning groove are located on the same straight line, the diameter of the outer wall of the second ejector block is equal to that of the outer wall of the second coupling sleeve, the assembling die further comprises a second guide sleeve, the second ejector block is inserted into the second guide sleeve, the diameter of the outer wall of the second ejector block is equal to that of the inner wall of the second guide sleeve, and the outer wall of the second ejector block and the inner wall of the second guide sleeve are connected in a sliding manner in a direction parallel to the guide rod;
the axial length of the output shaft minus the axial length of the second spline is equal to the axial length of the second positioning groove, and the sum of the axial length of the second ejector block and the axial length of the second spline is smaller than the axial length of the second guide sleeve.
4. The assembling die of claim 3, further comprising a fixed-length cylinder, wherein the diameter of the fixed-length cylinder is equal to the diameter of the inner wall of the first connecting sleeve, and the sum of the axial length of the first connecting sleeve minus the axial length of the first assembling port and the axial length of the second connecting sleeve minus the axial length of the second assembling port is smaller than the axial length of the fixed-length cylinder.
5. The assembling die according to any one of claims 1 to 4, wherein the first sliding block has a circular disc shape, a central axis of the first sliding block is aligned with a central axis of the first positioning groove, the first sliding block is provided with a plurality of first guide holes, the first guide holes are arranged in a direction parallel to the guide rods, the first guide holes penetrate through the first sliding block in a direction parallel to the guide rods, one ends of the guide rods are inserted into the first guide holes, outer walls of the guide rods are slidably connected with inner walls of the first guide holes in a direction parallel to the guide rods, and outer walls of the guide rods are tightly fitted with the inner walls of the first guide holes.
6. The assembling die according to claim 5, wherein the second sliding block has a disk shape, a central axis of the second sliding block is aligned with a central axis of the second positioning groove, the second sliding block is provided with a plurality of second guiding holes, the second guiding holes are arranged in a direction parallel to the guiding rod, the second guiding holes penetrate through the second sliding block in a direction parallel to the guiding rod, the other end of the guiding rod is inserted into the second guiding holes, an outer wall of the guiding rod is slidably connected with an inner wall of the second guiding hole in a direction parallel to the guiding rod, and an outer wall of the guiding rod is tightly fitted with the inner wall of the second guiding hole.
7. The construction mold according to claim 6, wherein the number of the guide rods is an odd number of at least three.
8. The assembling die according to claim 7, wherein the guide rods are distributed in an equiangular circumferential array around the central axis of the first positioning groove, the height of the central axis of the guide rods is less than or equal to the height of a horizontal plane passing through the central axis of the first positioning groove, and the guide rods are symmetrically arranged with respect to a vertical plane passing through the central axis of the first positioning groove.
9. The assembly die of claim 8, wherein a spacing between adjacent guide rods is less than a diameter of the output shaft.
10. The assembling die according to any one of claims 1 to 9, wherein the base comprises a bottom plate, a first vertical plate and a second vertical plate, the bottom plate is horizontally arranged, the first vertical plate and the second vertical plate are vertically arranged, the first vertical plate is parallel to the second vertical plate, the first vertical plate and the second vertical plate are located above the bottom plate, the lower end of the first vertical plate is fixedly connected with the upper surface of the bottom plate, the lower end of the second vertical plate is fixedly connected with the upper surface of the bottom plate, the bottom plate is rectangular in shape, the length direction of the bottom plate is parallel to the guide rods, and the first vertical plate is perpendicular to the guide rods;
the first vertical plate and the second vertical plate are respectively positioned at two ends of the bottom plate, the first sliding block and the second sliding block are positioned between the first vertical plate and the second vertical plate, the first sliding block and the second sliding block are positioned right above the bottom plate, one end of the guide rod is fixedly connected with the first vertical plate, and the other end of the guide rod is fixedly connected with the second vertical plate;
the assembly mould also comprises a first hydraulic cylinder and a second hydraulic cylinder, the body of the first hydraulic cylinder is fixedly connected with the first vertical plate, the first hydraulic cylinder is positioned on one side of the first vertical plate far away from the second vertical plate, a piston rod of the first hydraulic cylinder is fixedly connected with the end face of one end of the first slide block far away from the second slide block, the telescopic direction of the first hydraulic cylinder is parallel to the guide rod, the cylinder body of the second hydraulic cylinder is fixedly connected with the second vertical plate, the second hydraulic cylinder is positioned on one side of the second vertical plate far away from the first vertical plate, a piston rod of the second hydraulic cylinder is fixedly connected with the end face of one end of the second slide block far away from the first slide block, the flexible direction of second pneumatic cylinder with the guide bar is parallel, the axis of the piston rod of first pneumatic cylinder, the axis of the piston rod of second pneumatic cylinder and the axis of first constant head tank are located same straight line.
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| CN202111231732.8A CN114193367B (en) | 2021-10-22 | 2021-10-22 | Assembling die |
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| CN202111231732.8A CN114193367B (en) | 2021-10-22 | 2021-10-22 | Assembling die |
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| CN114193367B CN114193367B (en) | 2022-08-12 |
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| CN113334056A (en) * | 2021-05-27 | 2021-09-03 | 南京苏美达智能技术有限公司 | Output shaft and coupling press-fitting tool and press-fitting process |
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| SU577114A1 (en) * | 1976-03-02 | 1977-10-25 | Украинский Филиал Государственного Всесоюзного Ордена Трудового Красного Знамени Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно-Тракторного Парка | Apparatus for assembling and disassembling press-fit couples of the shaft-sleeve type |
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|---|---|
| CN114193367B (en) | 2022-08-12 |
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