CN111775081B - Positioning shaft sliding block structure of camshaft gear and signal panel press-fitting tool - Google Patents
Positioning shaft sliding block structure of camshaft gear and signal panel press-fitting tool Download PDFInfo
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- CN111775081B CN111775081B CN202010639248.8A CN202010639248A CN111775081B CN 111775081 B CN111775081 B CN 111775081B CN 202010639248 A CN202010639248 A CN 202010639248A CN 111775081 B CN111775081 B CN 111775081B
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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
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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 discloses a positioning shaft sliding block structure of a camshaft gear and signal disc press-fitting tool, which comprises a positioning shaft sliding block, a positioning shaft support, a positioning shaft, a circumferential positioning pin and a guide pin. The positioning shaft sliding block is arranged between a first guide sliding block and a second guide sliding block of a guide sliding base assembly of the press-fitting tool; the positioning shaft support is arranged on the positioning shaft sliding block; the positioning shaft is arranged at one end of the positioning shaft support, and the axis of the positioning shaft is superposed with the longitudinal central line of the positioning shaft sliding block; the circumferential positioning pin is arranged on the end surface of the positioning shaft; the guide pin is arranged at one end of the positioning shaft support; the axes of the positioning shaft, the circumferential positioning pin and the guide pin are parallel to each other and are positioned in the same horizontal plane, and the axis of the positioning shaft is coaxial with the axis of the camshaft; the diameter of the guide pin is the same as that of the phase positioning hole of the cam shaft gear. Therefore, the accurate phase positioning of the cam shaft gear can be ensured in the press fitting process.
Description
Technical Field
The invention relates to the field of engine manufacturing, in particular to a positioning shaft sliding block structure of a camshaft gear and signal disc press-fitting tool, which can ensure accurate phase positioning of the camshaft gear and the signal disc.
Background
At present, a camshaft is generally vertically placed by pressing (shrink-fit) a camshaft gear and a signal panel at the end part of the camshaft, positioning pins fixed on a tool frame are used for positioning (phase positioning) the camshaft gear and the signal panel, and a press machine is used for pressing in or manually pressing in the camshaft gear and the signal panel to perform shrink-fit.
Although the structure of the press-fitting tool in the prior art is simple, the diameter of the positioning pin is reduced when the tool is designed because the diameter of the positioning pin fixed on the tool frame covers the camshaft gear and the signal panel product of all pin hole positions, so that the uniformity of pin hole phase positioning in the process of pressing (sleeving) the camshaft gear and the signal panel product is poor, and the phenomenon of large phase deviation occurs.
In order to improve the defects, an additional more reliable structure is needed, and the technical problem to be solved by the proposal of the application is to design a device for pressing and assembling the camshaft gear and the signal panel, so as to ensure the phase positioning consistency of the pin hole in the process of pressing (sleeving) the camshaft gear and the signal panel product.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a positioning shaft sliding block structure of a camshaft gear and signal panel press-fitting tool, wherein a guide pin is always inserted from one end of a phase positioning hole of the camshaft gear in the whole press-fitting process, so that the accurate phase positioning of the camshaft gear can be ensured.
In order to achieve the purpose, the invention provides a positioning shaft sliding block structure of a camshaft gear and signal disc press-fitting tool, which comprises a positioning shaft sliding block, a positioning shaft support, a positioning shaft, a circumferential positioning pin and a guide pin. The positioning shaft sliding block is arranged between a first guide sliding block and a second guide sliding block of a guide sliding base assembly of the press-fitting tool; the positioning shaft support is arranged on the positioning shaft sliding block; the positioning shaft is arranged at one end of the positioning shaft support, and the axis of the positioning shaft is superposed with the longitudinal central line of the positioning shaft sliding block; the circumferential positioning pin is arranged on the end surface of the positioning shaft; the guide pin is arranged at one end of the positioning shaft support; the axes of the positioning shaft, the circumferential positioning pin and the guide pin are parallel to each other and are positioned in the same horizontal plane, and the axis of the positioning shaft is coaxial with the axis of the camshaft; the diameter of the guide pin is the same as that of the phase positioning hole of the cam shaft gear.
In a preferred embodiment, the positioning shaft sliding block is in a cuboid shape, a recess is formed in the middle of the bottom surface of the positioning shaft sliding block, symmetrical sliding rail planes are formed on two sides of the recess, and the positioning shaft sliding block comprises a plurality of first threaded holes, a plurality of second threaded holes, a plurality of first pin counter bores, a plurality of second pin counter bores and a plurality of third threaded holes. The first threaded holes are formed in one side of the longitudinal center line of the positioning shaft sliding block, and the center connecting lines of the first threaded holes are parallel to the longitudinal center line of the positioning shaft sliding block; the second threaded holes and the first pin counter bores are arranged on one side of the longitudinal center line of the positioning shaft sliding block and are positioned on the outer sides of the plurality of first threaded holes, and the center connecting line of the second threaded holes and the first pin counter bores is parallel to the longitudinal center line of the positioning shaft sliding block; the second pin counter bore and the plurality of third threaded holes are formed in the other side of the longitudinal center line of the positioning shaft sliding block, and the center connecting line of the second pin counter bore and the plurality of third threaded holes is parallel to the longitudinal center line of the positioning shaft sliding block.
In a preferred embodiment, the positioning shaft support includes a positioning shaft mounting hole, a guide pin mounting hole, a plurality of first mounting holes, a plurality of second mounting holes and first pin through holes, a plurality of second pin through holes and third mounting holes, a plurality of fourth threaded holes, and a third pin counter bore. The positioning shaft mounting hole is formed in the positioning shaft mounting part of the positioning shaft support; the guide pin mounting hole is arranged on the guide pin mounting part of the positioning shaft support; the first mounting holes are arranged between the positioning shaft mounting part and the guide pin mounting part and correspond to the first threaded holes in position; the second mounting hole and the first pin through hole are arranged on the outer side of the guide pin mounting part, and the positions of the second mounting hole and the first pin through hole correspond to the positions of the second threaded hole and the first pin counter bore; the second pin through hole and the third mounting holes are formed in the other side of the positioning shaft mounting part, and the positions of the second pin through hole and the third mounting holes correspond to the positions of the second pin counter bore and the third threaded holes; the plurality of fourth threaded holes are annularly arranged around the positioning shaft mounting hole; the third pin counter bore is arranged at the upper part of the positioning shaft mounting hole, and the center line of the third pin counter bore is superposed with the center line of the positioning shaft mounting hole in the overlooking direction; the center line of the positioning shaft mounting hole is parallel to the center line of the guide pin mounting hole and is positioned on the same horizontal plane.
In a preferred embodiment, the locating shaft includes a mounting section, a circumferential locating pin mounting hole, a plurality of fourth mounting holes, and a third pin hole. The mounting section is coaxially connected with the positioning shaft and is used for being arranged in the mounting hole of the positioning shaft; the circumferential positioning pin mounting hole is formed in the end face of the positioning shaft; the plurality of fourth mounting holes are arranged around the axis of the positioning shaft, and the positions of the plurality of fourth mounting holes correspond to the positions of the plurality of fourth threaded holes; the third pin hole is formed in the other end face of the positioning shaft, and the position of the third pin hole corresponds to the position of the third pin counter bore.
In a preferred embodiment, there is a relief space between the positioning shaft mounting and the guide pin mounting.
In a preferred embodiment, the positioning shaft support further comprises a limiting block and a compression spring counter bore. The limiting block is arranged on one side of the rear part of the positioning shaft support, and the outer side face of the limiting block extends out of the side face of the guide pin mounting part; and the pressing spring counter bore is arranged at the other end of the positioning shaft support and is positioned right below the positioning shaft mounting hole.
In a preferred embodiment, one end of the circumferential positioning pin is provided with a pin nose cone, and one end of the circumferential positioning pin is inserted into the circumferential positioning pin mounting hole.
In a preferred embodiment, the guide pin includes a pin nose cone and a guide pin mounting portion. The pin head guide cone is arranged at one end of the guide pin; the locating pin installation department sets up at the uide pin other end, and the locating pin installation department is installed in the uide pin mounting hole.
In a preferred embodiment, the position of the circumferential positioning pin mounting hole is offset by an angle of 90 degrees in a clockwise direction relative to the position of the third pin hole, as viewed from the mounting section in the direction of the positioning shaft.
In a preferred embodiment, the distance between the mounting hole of the circumferential positioning pin and the center of the positioning shaft is greater than the distance between the third pin hole and the center of the positioning shaft.
Compared with the prior art, the positioning shaft sliding block structure of the camshaft gear and signal disc press-fitting tool has the following beneficial effects: in whole pressure equipment in-process, the terminal surface of the camshaft of location axle slider structure is laminated with the terminal surface of camshaft all the time, and the circumference locating pin can carry out the circumference location to the camshaft, and the one end that the phase place location pinhole of camshaft gear or signal disc was followed all the time to the uide pin is inserted, and the other end is inserted all the time to the rack movable pin that cooperates simultaneously, and then can ensure the uniformity of the phase place location of wheel shaft gear and signal disc.
Drawings
FIG. 1 is a schematic front view of a positioning shaft slider structure according to an embodiment of the present invention;
FIG. 2 is a left side schematic view of a positioning shaft slider structure according to an embodiment of the present invention;
FIG. 3 is a schematic right-side view of a positioning shaft slider structure according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a positioning shaft slider structure according to an embodiment of the present invention;
FIG. 5 is a schematic view, partly in section, taken at A-A of FIG. 1;
FIG. 6 is a schematic view, partly in section, taken at B-B of FIG. 2;
FIG. 7 is a schematic view, partly in section, at C-C of FIG. 4;
FIG. 8 is a schematic view, partly in section, taken at D-D of FIG. 4;
FIG. 9 is a schematic view, partly in section, taken at E-E of FIG. 4;
FIG. 10 is a schematic top view of a positioning shaft slide according to an embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view taken at F-F of FIG. 10;
FIG. 12 is a schematic bottom view of a positioning shaft slide according to an embodiment of the present invention;
FIG. 13 is a schematic cross-sectional view taken at G-G of FIG. 10;
FIG. 14 is a schematic front view of a positioning shaft support according to an embodiment of the present invention;
FIG. 15 is a schematic left side view of a positioning shaft support according to an embodiment of the present invention;
FIG. 16 is a schematic top view of a positioning shaft support according to an embodiment of the present invention;
FIG. 17 is a schematic right view of a positioning shaft support according to an embodiment of the present invention;
FIG. 18 is a schematic cross-sectional view taken at H-H of FIG. 15;
FIG. 19 is a schematic cross-sectional view taken at I-I of FIG. 15;
FIG. 20 is a schematic cross-sectional view taken at J-J of FIG. 16;
FIG. 21 is a schematic front view of a positioning shaft according to an embodiment of the invention;
FIG. 22 is a left side schematic view of a positioning shaft according to an embodiment of the invention;
FIG. 23 is a schematic cross-sectional view taken at K-K of FIG. 21;
FIG. 24 is a schematic right view of a positioning shaft according to an embodiment of the invention;
FIG. 25 is a schematic cross-sectional view taken at L-L of FIG. 22;
FIG. 26 is a schematic cross-sectional view taken at M-M of FIG. 22;
FIG. 27 is a schematic cross-sectional view taken at N-N of FIG. 22;
FIG. 28 is a schematic front view of a circumferential locating pin according to an embodiment of the present invention;
FIG. 29 is a schematic left side view of a circumferential locating pin according to one embodiment of the present invention;
FIG. 30 is a schematic top view of a circumferential locating pin according to an embodiment of the present invention;
FIG. 31 is a schematic front view of a guide pin according to an embodiment of the present invention;
FIG. 32 is a left side schematic view of a guide pin according to an embodiment of the present invention;
description of the main reference numerals:
1-positioning shaft slider structure, 101-positioning shaft slider, 1011-first threaded hole, 1012-second threaded hole, 1013-first pin counter bore, 1014-second pin counter bore, 1015-third threaded hole, 102-positioning shaft support, 1021-first mounting hole, 1022-second mounting hole, 1023-first pin through hole, 1024-second pin through hole, 1025-third mounting hole, 1026-positioning shaft mounting part, 1027-positioning shaft mounting hole, 1028-guide pin mounting part, 1029-guide pin mounting hole, 10210-fourth threaded hole, 10211-third pin counter bore, 10212-limiting block, 10213-compression spring counter bore, 103-positioning shaft, 1031-mounting section, 1032-circumferential positioning pin mounting hole, 1033-fourth mounting hole, 1034-third pin hole, 104-circumferential locating pin, 1041-tapered pin part, 105-guide pin, 1051-tapered pin part, 1052-locating pin mounting part, 106-first screw, 107-second screw, 108-first locating pin, 109-second locating pin, 110-third screw, 111-third locating pin, 112-fourth screw.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
The invention discloses a positioning shaft sliding block structure 1 of a camshaft gear and signal panel phase positioning pin, which is applied to a camshaft gear and signal panel press-fitting tool. When the camshaft gear and the signal panel are pressed on the camshaft, a press-fitting tool is adopted, and the press-fitting tool mainly comprises a guide sliding base assembly, a camshaft positioning block assembly, a camshaft radial pressing assembly, a pressing sleeve assembly, an eccentric shaft assembly, a positioning shaft sliding block structure 1 and the like.
As shown in fig. 1 to 9, a positioning shaft slider structure 1 of a camshaft gear and signal disc press-fitting tool according to a preferred embodiment of the present invention includes a positioning shaft slider 101, a positioning shaft support 102, a positioning shaft 103, a circumferential positioning pin 104, and a guide pin 105. The positioning shaft sliding block 101 is arranged between a first guide sliding block and a second guide sliding block of a guide sliding base assembly of the press-fitting tool. The positioning shaft holder 102 is provided on the positioning shaft slider 101. The positioning shaft 103 is arranged at one end of the positioning shaft support 102, and the axis of the positioning shaft 103 is coincident with the longitudinal center line of the positioning shaft slide block 101. A circumferential positioning pin 104 is provided on an end face of the positioning shaft 103. A guide pin 105 is provided at one end of the positioning shaft support 102. The axes of the positioning shaft 103, the circumferential positioning pin 104 and the guide pin 105 are parallel to each other and are located in the same horizontal plane, and the axis of the positioning shaft 103 is coaxial with the axis of the camshaft. Wherein the outer diameter of the positioning shaft 103 is the same as the diameter of the center hole of the cam gear, and the diameter of the guide pin 105 is the same as the diameter of the phase positioning hole of the cam gear.
As shown in fig. 10 to 13, in some embodiments, the positioning shaft slider 101 has a rectangular parallelepiped shape, a recess is formed in a middle position of a bottom surface of the positioning shaft slider, symmetrical slide rail planes are formed on two sides of the recess, and the positioning shaft slider 101 includes a plurality of first threaded holes 1011, second threaded holes 1012 and first pin counterbores 1013, and a second pin counterbore 1014 and a plurality of third threaded holes 1015. A plurality of first threaded holes 1011 (only two are shown in the embodiment) are disposed on one side of the longitudinal center line of the positioning shaft slider 101, and the center line of the plurality of first threaded holes 1011 is parallel to the longitudinal center line of the positioning shaft slider 101. Second threaded bore 1012 and first pin counterbore 1013 are disposed to one side of the longitudinal centerline of positioning shaft slide 101 and outboard of the plurality of first threaded bores 1011, and the line connecting the centers of second threaded bore 1012 and first pin counterbore 1013 is parallel to the longitudinal centerline of positioning shaft slide 101. A second pin counterbore 1014 and a plurality of third threaded holes 1015 are disposed on the other side of the longitudinal centerline of the positioning shaft slider 101, and the line connecting the centers of the second pin counterbore 1014 and the plurality of third threaded holes 1015 is parallel to the longitudinal centerline of the positioning shaft slider 101.
As shown in fig. 14-20, in some embodiments, positioning shaft support 102 includes a positioning shaft mounting hole 1027, a guide pin mounting hole 1029, a plurality of first mounting holes 1021, a second mounting hole 1022, and a first pin through hole 1023, a second pin through hole 1024, and a plurality of third mounting holes 1025, a plurality of fourth screw holes 10210, and a third pin counter bore 10211. The positioning shaft mounting hole 1027 is provided on the positioning shaft mounting section 1026 of the positioning shaft support 102. Guide pin mounting holes 1029 are provided in the guide pin mount 1028 of the positioning shaft bracket 102. A plurality of first mounting holes 1021 is disposed between the positioning shaft mounting portion 1026 and the guide pin mounting portion 1028, and the plurality of first mounting holes 1021 corresponds in position to the plurality of first threaded holes 1011. Second mounting holes 1022 and first pin through holes 1023 are disposed outside of guide pin mount 1028, and the positions of second mounting holes 1022 and first pin through holes 1023 correspond to the positions of second threaded holes 1012 and first pin counter bore 1013. The second pin through hole 1024 and the plurality of third mounting holes 1025 are disposed at the other side of the positioning shaft mounting portion 1026, and the positions of the second pin through hole 1024 and the plurality of third mounting holes 1025 correspond to the positions of the second pin counter bore 1014 and the plurality of third threaded holes 1015. A plurality of fourth threaded holes 10210 are annularly disposed about positioning shaft mounting holes 1027. A third pin counterbore 10211 is provided at an upper portion of the positioning shaft mounting hole 1027, and a center line of the third pin counterbore 10211 coincides with a center line of the positioning shaft mounting hole 1027 in a plan view direction. Wherein the center line of the positioning shaft mounting hole 1027 is parallel to the center line of the guide pin mounting hole 1029 and is located at the same horizontal plane. A yielding space is formed between the positioning shaft mounting part 1026 and the guide pin mounting part 1028, and the yielding space is used for avoiding the pressing sleeve of the pressing sleeve component of the pressing tool from interfering with the pressing sleeve. The positioning shaft support 102 further includes a stopper 10212 and a pressing spring counter bore 10213, wherein the pressing spring counter bore 10213 is disposed at the other end of the positioning shaft support 102 and is located right below the positioning shaft mounting hole 1027. The compression spring counter bore 10213 is used for installing a compression spring, one end of the compression spring is installed in the compression spring counter bore 10213, and the other end of the compression spring is sleeved on a spring guide rod located at the front end of the pressing sleeve assembly. The stopper 10212 is disposed at a side of the rear portion of the positioning shaft support 102, and an outer side surface of the stopper 10212 extends beyond a side surface of the guide pin mounting part 1028. The limiting block 10212 is used for cooperating with an eccentric shaft assembly of the press-fitting tool, and firstly, limits the forward movement position of the positioning shaft slider 101 structure 1, but pushes the positioning shaft slider 101 structure 1 to move backward against the tension of the pressure spring through a handle of the eccentric shaft assembly.
As shown in fig. 21-27, in some embodiments, the positioning shaft 103 includes a mounting section 1031, a circumferential positioning pin mounting hole 1032, a plurality of fourth mounting holes 1033, and a third pin hole 1034. The mounting section 1031 is coaxially connected to the positioning shaft 103, and the mounting section 1031 is configured to be mounted in the positioning shaft mounting hole 1027. A circumferential positioning pin mounting hole 1032 is provided on an end surface of the positioning shaft 103. The plurality of fourth mounting holes 1033 are disposed around the axial center of the positioning shaft 103, and the positions of the plurality of fourth mounting holes 1033 correspond to the positions of the plurality of fourth screw holes 10210. A third pin hole 1034 is provided in the other end surface of the positioning shaft 103, and the position of the third pin hole 1034 corresponds to the position of the third pin counter bore 10211. The position of the circumferential positioning pin mounting hole 1032 is offset by 90 degrees clockwise relative to the position of the third pin hole 1034, as viewed from the front of the mounting section 1031 toward the positioning shaft 103. The circumferential positioning pin mounting hole 1032 is spaced farther from the center of the positioning shaft 103 than the third pin hole 1034 is spaced farther from the center of the positioning shaft 103.
As shown in fig. 28 to 30, in some embodiments, one end of the circumferential positioning pin 104 is provided with a pin nose cone portion 1041, and the pin nose cone portion 1041 is used for guiding when the circumferential positioning pin 104 is inserted into a positioning hole of an end face of the camshaft. One end of the circumferential positioning pin 104 is inserted into the circumferential positioning pin mounting hole 1032.
As shown in fig. 31-32, in some embodiments, guide pin 105 includes a pin head guide cone 1051 and a guide pin mounting portion 1052. A pin nose guide 1051 is provided at one end of the guide pin 105 for guiding the guide pin 105 when inserted into a phase positioning hole of a camshaft gear or a signal disc. A positioning pin attachment portion 1052 is provided at the other end of the guide pin 105, and the positioning pin attachment portion 1052 is fitted in the guide pin attachment hole 1029.
Referring to fig. 1 to 9, in some embodiments, the first screw 106 is screwed into the first screw hole 1011 through the first mounting hole 1021, the second screw 107 is screwed into the second screw hole 1012 through the second mounting hole 1022, and the third screw 110 is screwed into the third screw hole 1015 through the third mounting hole 1025 to fix the positioning shaft base 102 to the positioning shaft slider 101. And the positioning shaft support 102 and the positioning shaft slide 101 are precisely positioned by inserting the first positioning pin 108 into the first pin through hole 1023 and the first pin counterbore 1013, and inserting the second positioning pin 109 into the second pin through hole 1024 and the second pin counterbore 1014. The fourth screw 112 is screwed into the fourth screw hole 10210 through the fourth mounting hole 1033 to mount the positioning shaft 103 on the positioning shaft holder 102. And simultaneously, the third positioning pin 111 is matched with the third pin counter bore 10211 and the third pin hole 1034 to accurately position the positioning shaft 103 and the positioning shaft 103 support. The circumferential positioning pin 104 is fitted in the circumferential positioning pin fitting hole 1032, and the guide pin 105 is fitted in the guide pin fitting hole 1029. The positioning shaft sliding block 101 is arranged between a first guide sliding block and a second guide sliding block of a guide sliding base assembly of the camshaft gear and signal disc press-fitting tool. The axes of the positioning shaft 103, the circumferential positioning pin 104 and the guide pin 105 are parallel to each other and are located in the same horizontal plane. Meanwhile, the positioning shaft 103 is coaxial with a camshaft fixed on the press-fitting tool, and the guide pin 105 is coaxial with a rack movable pin of the camshaft positioning block component. The end face of the positioning shaft 103 is attached to the end face of the camshaft by means of the tension of the pressure spring, and meanwhile, the circumferential positioning pin 104 is inserted into a positioning pin hole in the end face of the camshaft.
In conclusion, the positioning shaft sliding block structure of the camshaft gear and signal disc press-fitting tool has the following beneficial effects: in whole pressure equipment in-process, the terminal surface of the camshaft of location axle slider structure is laminated with the terminal surface of camshaft all the time, and the circumference locating pin can carry out the circumference location to the camshaft, and the one end that the phase place location pinhole of camshaft gear or signal disc was followed all the time to the uide pin is inserted, and the other end is inserted all the time to the rack movable pin that cooperates simultaneously, and then can ensure the uniformity of the phase place location of wheel shaft gear and signal disc.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a location axle slider structure of camshaft gear and signal disc pressure equipment frock, its application is on camshaft gear and signal disc pressure equipment frock, camshaft gear and signal disc pressure equipment frock is including leading smooth base subassembly, camshaft locating block subassembly, the radial subassembly that compresses tightly of camshaft, pressure cover subassembly and eccentric axle subassembly, its characterized in that, location axle slider structure includes:
the positioning shaft sliding block is arranged between the first guide sliding block and the second guide sliding block of the guide sliding base assembly of the press fitting tool;
a positioning shaft support provided on the positioning shaft slider, the positioning shaft support including:
a positioning shaft mounting hole provided in a positioning shaft mounting portion of the positioning shaft support;
a guide pin mounting hole provided in a guide pin mounting portion of the positioning shaft support;
a stopper provided at one side of a rear portion of the positioning shaft support, an outer side surface of the stopper extending beyond a side surface of the guide pin mounting portion;
the compression spring counter bore is arranged at the other end of the positioning shaft support and is positioned right below the positioning shaft mounting hole; and
a abdicating space arranged between the positioning shaft mounting part and the guide pin mounting part;
the positioning shaft is arranged at one end of the positioning shaft support, and the axis of the positioning shaft is superposed with the longitudinal center line of the positioning shaft sliding block;
a circumferential positioning pin provided on an end surface of the positioning shaft; and
a guide pin provided at one end of the positioning shaft support;
the axes of the positioning shaft, the circumferential positioning pin and the guide pin are parallel to each other and are positioned in the same horizontal plane, and the axis of the positioning shaft is coaxial with the axis of the camshaft;
the outer diameter of the positioning shaft is the same as the diameter of a center hole of the camshaft gear, and the diameter of the guide pin is the same as the diameter of a phase positioning hole of the camshaft gear.
2. The structure of claim 1, wherein the positioning shaft sliding block is a rectangular parallelepiped, a recess is formed in the middle of the bottom surface of the positioning shaft sliding block, and symmetrical sliding rail planes are formed on two sides of the recess, and the positioning shaft sliding block comprises:
the first threaded holes are formed in one side of the longitudinal center line of the positioning shaft sliding block, and the center connecting lines of the first threaded holes are parallel to the longitudinal center line of the positioning shaft sliding block;
the second threaded holes and the first pin counter bores are arranged on one side of the longitudinal center line of the positioning shaft sliding block and are positioned on the outer sides of the plurality of first threaded holes, and the central connecting line of the second threaded holes and the first pin counter bores is parallel to the longitudinal center line of the positioning shaft sliding block; and
and the second pin counter bore and the third threaded holes are arranged on the other side of the longitudinal center line of the positioning shaft sliding block, and the center connecting line of the second pin counter bore and the third threaded holes is parallel to the longitudinal center line of the positioning shaft sliding block.
3. The camshaft gear and signal disc press-fitting tool positioning shaft slider structure of claim 2, wherein the positioning shaft support further comprises:
a plurality of first mounting holes which are arranged between the positioning shaft mounting part and the guide pin mounting part and correspond to the positions of the plurality of first threaded holes;
the second mounting hole and the first pin through hole are arranged on the outer side of the guide pin mounting part, and the positions of the second mounting hole and the first pin through hole correspond to the positions of the second threaded hole and the first pin counter bore;
the second pin through holes and the third pin through holes are arranged on the other side of the positioning shaft mounting part, and the positions of the second pin through holes and the third pin through holes correspond to the positions of the second pin counter bores and the third threaded holes;
a plurality of fourth threaded holes annularly arranged around the positioning shaft mounting hole; and
the third pin counter bore is arranged at the upper part of the positioning shaft mounting hole, and the center line of the third pin counter bore is superposed with the center line of the positioning shaft mounting hole in the overlooking direction;
the center line of the positioning shaft mounting hole is parallel to the center line of the guide pin mounting hole and is positioned on the same horizontal plane.
4. The camshaft gear and signal disc press-fitting tool positioning shaft slider structure of claim 3, wherein the positioning shaft comprises:
the mounting section is coaxially connected with the positioning shaft and is used for being mounted in the mounting hole of the positioning shaft;
the circumferential positioning pin mounting hole is formed in the end face of the positioning shaft;
a plurality of fourth mounting holes which are arranged around the axis of the positioning shaft, and the positions of the fourth mounting holes correspond to the positions of the fourth threaded holes; and
and the third pin hole is arranged on the other end surface of the positioning shaft, and the position of the third pin hole corresponds to the position of the third pin counter bore.
5. The camshaft gear and signal disc press-fitting tool positioning shaft slider structure of claim 4, wherein one end of the circumferential positioning pin is provided with a pin head taper, and one end of the circumferential positioning pin is inserted into the circumferential positioning pin mounting hole.
6. The camshaft gear and signal disc press-fitting tool positioning shaft slider structure of claim 3, wherein the guide pin comprises:
the pin head guide cone is arranged at one end of the guide pin; and
and the positioning pin mounting part is arranged at the other end of the guide pin, and the positioning pin mounting part is arranged in the guide pin mounting hole.
7. The camshaft gear and signal disc press-fitting tool positioning shaft slider structure of claim 4, wherein the position of the circumferential positioning pin mounting hole is deflected by an included angle of 90 degrees clockwise relative to the position of the third pin hole, as viewed from the mounting section to the positioning shaft direction.
8. The camshaft gear and signal disc press-fitting tool positioning shaft slider structure of claim 7, wherein the distance between the circumferential positioning pin mounting hole and the positioning shaft is greater than the distance between the third pin hole and the positioning shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010639248.8A CN111775081B (en) | 2020-07-06 | 2020-07-06 | Positioning shaft sliding block structure of camshaft gear and signal panel press-fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010639248.8A CN111775081B (en) | 2020-07-06 | 2020-07-06 | Positioning shaft sliding block structure of camshaft gear and signal panel press-fitting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111775081A CN111775081A (en) | 2020-10-16 |
| CN111775081B true CN111775081B (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010639248.8A Active CN111775081B (en) | 2020-07-06 | 2020-07-06 | Positioning shaft sliding block structure of camshaft gear and signal panel press-fitting tool |
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| Country | Link |
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| CN (1) | CN111775081B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9523196D0 (en) * | 1994-11-18 | 1996-01-17 | Churchill V L Ltd | Fitment |
| CN204430703U (en) * | 2014-12-24 | 2015-07-01 | 重庆歇马机械曲轴有限公司 | Engine crankshaft timing gear pressing clamp |
| CN205928396U (en) * | 2016-08-22 | 2017-02-08 | 浙江新柴股份有限公司 | Diesel engine crankshaft gear's hot jacket location frock |
| CN107627088A (en) * | 2017-10-26 | 2018-01-26 | 银川合宜科技有限公司 | Timing gears positioner and timing gears assembly equipment |
| CN208083806U (en) * | 2018-02-09 | 2018-11-13 | 湖北东恒科技有限公司 | A kind of bent axle press |
-
2020
- 2020-07-06 CN CN202010639248.8A patent/CN111775081B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9523196D0 (en) * | 1994-11-18 | 1996-01-17 | Churchill V L Ltd | Fitment |
| CN204430703U (en) * | 2014-12-24 | 2015-07-01 | 重庆歇马机械曲轴有限公司 | Engine crankshaft timing gear pressing clamp |
| CN205928396U (en) * | 2016-08-22 | 2017-02-08 | 浙江新柴股份有限公司 | Diesel engine crankshaft gear's hot jacket location frock |
| CN107627088A (en) * | 2017-10-26 | 2018-01-26 | 银川合宜科技有限公司 | Timing gears positioner and timing gears assembly equipment |
| CN208083806U (en) * | 2018-02-09 | 2018-11-13 | 湖北东恒科技有限公司 | A kind of bent axle press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111775081A (en) | 2020-10-16 |
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