CN114734237A - Assembling device and method of split type photoelectric encoder - Google Patents
Assembling device and method of split type photoelectric encoder Download PDFInfo
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- CN114734237A CN114734237A CN202210234300.0A CN202210234300A CN114734237A CN 114734237 A CN114734237 A CN 114734237A CN 202210234300 A CN202210234300 A CN 202210234300A CN 114734237 A CN114734237 A CN 114734237A
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
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Abstract
The embodiment of the invention relates to the technical field of photoelectric encoders, and provides an assembling device of a split type photoelectric encoder. The invention also discloses an assembling method of the split-type photoelectric encoder, and by utilizing the assembling device and the assembling method of the split-type photoelectric encoder, the assembling process of the split-type photoelectric encoder can be simplified, the assembling difficulty and the assembling accuracy are reduced, the assembling efficiency of the split-type photoelectric encoder is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of photoelectric encoders, in particular to an assembling device and method of a split type photoelectric encoder.
Background
Split type photoelectric encoder generally comprises code wheel subassembly, PCB (Printed Circuit Board) subassembly, light source and the shell main part that contains the photocell, compares with integral encoder, and split type encoder need not built-in bearing, and self does not have the rotation reference, can realize the structure more miniaturized when reduce cost, consequently, split type photoelectric encoder continuously obtains market attention.
However, the inventor finds that the assembling process of the split photoelectric encoder is complicated, the difficulty is high, the accuracy requirement is high, the production efficiency is low, and the production cost is high.
Disclosure of Invention
The invention aims to provide an assembling device and method of a split-type photoelectric encoder, which can simplify the assembling process of the split-type photoelectric encoder, reduce the assembling difficulty, improve the assembling accuracy, improve the assembling efficiency of the split-type photoelectric encoder and reduce the production cost.
In order to solve the above technical problem, the present invention provides an assembling device for a split type photoelectric encoder, which is used for assembling a split type photoelectric encoder including a code wheel assembly and a housing, and comprises:
the axial positioning tool comprises a shell bearing base and a coded disc positioning shaft arranged on the shell bearing base, wherein the shell bearing base is provided with a plurality of first positioning holes, and the first positioning holes are used for fixedly connecting the shell from one side of the shell; the height positioning tool is plate-shaped and provided with a plurality of second positioning holes, and the second positioning holes are used for being fixedly connected with the shell from the other side of the shell; the extrusion tool is columnar, an extrusion through hole is formed in the shell bearing base, and the extrusion tool can movably penetrate through the extrusion through hole to abut against the coded disc assembly and push the coded disc assembly to abut against the height positioning tool; and the set screw is used for penetrating through a screw through hole on the shell and abutting against the coded disc assembly so as to fix the relative position of the coded disc assembly and the shell.
The invention also provides an assembling method of the split type photoelectric encoder, which comprises the following steps:
providing a coded disc assembly to be assembled, a circuit board assembly and a shell, and providing the assembling device of the split photoelectric encoder, wherein the shell is provided with a first fixing hole and a second fixing hole; sleeving the shell on the periphery of the coded disc positioning shaft, and fixedly mounting one side of the shell on a shell bearing base of an axial positioning tool by matching a connecting piece extending into the first positioning hole and the first fixing hole; sleeving the coded disc assembly on the periphery of the coded disc positioning shaft, and embedding the coded disc assembly in the shell; covering the height positioning tool on one side of the shell, which is far away from the shell bearing base, and fixedly connecting the other side of the shell and the height positioning tool through a connecting piece extending into the second positioning hole; inserting an extrusion tool into the extrusion through hole on one side of the axial positioning tool, which is far away from the height positioning tool, so that the extrusion tool abuts against the coded disc assembly and pushes the extrusion tool towards the height positioning tool until the position of the extrusion tool is fixed; screwing a plurality of set screws into the shell from screw through holes of the shell, enabling the set screws to contact the coded disc assembly, and then screwing the set screws until the position of each set screw is fixed; removing the axial positioning tool and the height positioning tool, aligning the mounting screw hole of the circuit board assembly with the second fixing hole, and fixing the circuit board assembly to the shell through a connecting piece extending into the mounting screw hole and the second fixing hole; and dispensing and fixing the contact surface between the circuit board assembly and the shell.
Compared with the prior art, the assembling device of the split-type photoelectric encoder comprises the axial positioning tool, the height positioning tool, the extruding tool and the set screw, so that the assembling process of the split-type photoelectric encoder is simplified, and the assembling difficulty is reduced. Wherein, the axial positioning tool comprises a shell bearing base and a code wheel positioning shaft connected with the shell bearing base, the shell bearing base is also provided with a plurality of first positioning holes, the first positioning holes are used for fixedly connecting the shell from one side of the shell, the position of the code wheel assembly in the direction vertical to the code wheel positioning shaft is directly positioned by utilizing the limiting function of the code wheel positioning shaft, the complicated adjusting process of mutual positioning between the code wheel assembly and the shell can be omitted, the height positioning tool is plate-shaped and is provided with a plurality of second positioning holes, the second positioning holes are used for fixedly connecting the shell from the other side of the shell, the shell bearing base is provided with an extrusion through hole, the columnar extrusion tool can movably pass through the extrusion through hole to support the code wheel assembly, and further pushes the code wheel assembly to support the height positioning tool, the height positioning tool supports the limiting function of the code wheel assembly, and can directly position the code wheel assembly in the extension direction of the code wheel positioning shaft, the assembling device of the split-type photoelectric encoder can simplify the assembling process of the split-type photoelectric encoder, reduce the assembling difficulty and improve the assembling accuracy, improve the assembling efficiency of the split-type photoelectric encoder and reduce the production cost.
Optionally, a central through hole is formed in the center of the height positioning tool, and the central through hole is used for avoiding the coded disc positioning shaft. The central through hole is formed in the central position of the height positioning tool, the coded disc positioning shaft can penetrate through the central through hole when the shell and the height positioning tool are fixedly connected, therefore, the distance between the coded disc assembly and the height positioning tool can be reduced, the coded disc assembly can be more easily supported by the height positioning tool, meanwhile, the relative height between the height positioning tool and the shell bearing base can be reduced, the miniaturization design is facilitated, and the weight of the positioning tool is reduced.
Optionally, the height positioning tool is provided with a limiting protrusion surrounding the central through hole, and the limiting protrusion is used for positioning the position of the coded disc assembly along the extension direction of the coded disc positioning shaft. Set up the spacing arch that encircles central through-hole on high location frock, spacing arch is used for the position code wheel subassembly along the ascending position of code wheel location axle extending direction, through setting up spacing arch, can further reduce the distance between code wheel subassembly and the high location frock, when the split type photoelectric encoder of equipment, ensures that code wheel subassembly and high location frock support each other and hold.
Optionally, a base groove is formed in one side, away from the coded disc positioning shaft, of the shell bearing base, and the extrusion through hole penetrates through the bottom surface of the base groove and is exposed to one side, facing the coded disc positioning shaft, of the shell bearing base; the extrusion tool comprises a columnar main body and a plurality of extrusion columns connected to the bottom surface of the columnar main body, the extrusion through holes are multiple, the extrusion columns correspond to the extrusion through holes one to one, and the extrusion columns movably penetrate through the extrusion through holes to abut against the coded disc assembly. Set up the base recess in one side that the base deviates from code wheel location axle is born to the shell, make the extrusion through-hole link up and expose in the shell from the bottom surface of base recess and bear one side that the base towards code wheel location axle, the extrusion frock includes column main part and a plurality of squeeze posts of connecting in the column main part bottom surface, squeeze post and extrusion through-hole one-to-one, and pass the extrusion through-hole, support with the code wheel subassembly and hold, a plurality of squeeze posts support and hold the code wheel subassembly, can increase the contact surface of squeeze post and code wheel subassembly, when promoting the extrusion frock, make the effort distribute more evenly, ensure that the code wheel subassembly position is accurate, the base recess has limiting displacement to the column main part, thus, when promoting the extrusion frock, can ensure the extrusion frock and stabilize the extrusion, prevent that the extrusion frock from appearing rocking.
Optionally, the set screws are multiple, the screw through holes are multiple, the set screws correspond to the screw through holes one to one, and the set screws penetrate through the screw through holes to abut against the coded disc assembly. A plurality of holding screws and a plurality of screw via holes one-to-one, and pass the screw via hole and support and hold the code wheel subassembly, like this, utilize axial positioning frock to and the position of code wheel subassembly is adjusted to the cooperation of high location frock and extrusion frock after, reuse holding screw fixes the code wheel subassembly, ensures in subsequent assembling process that the code wheel subassembly maintains on the position of adjusting, ensures the stability of code wheel subassembly position.
Optionally, in the assembling method of the split type photoelectric encoder, the code wheel assembly provided includes a hollow code wheel shaft and a code wheel, and the code wheel is connected to one end of the hollow code wheel shaft; when the coded disc assembly is sleeved on the periphery of the coded disc positioning shaft, one end, far away from the coded disc, of the hollow coded disc shaft is sleeved on the periphery of the coded disc positioning shaft, and then the coded disc positioning shaft penetrates through the hollow coded disc shaft to be connected with the other end of the coded disc. When the coded disc assembly is sleeved on the periphery of the coded disc positioning shaft, the coded disc is positioned at one end, away from the shell bearing base, of the hollow coded disc shaft, the distance between the coded disc and the height positioning tool can be reduced, and the coded disc is guaranteed to be abutted against the height positioning tool in the subsequent installation process.
Optionally, in the assembling method of the split type photoelectric encoder, the height positioning tool is provided with a limiting protrusion surrounding the central through hole; and when the shell is connected with the height positioning tool, the limiting bulge of the height positioning tool faces the shell bearing base. The limiting bulge of the height positioning tool faces the shell bearing base, the distance between the coded disc and the height positioning tool is reduced, and the coded disc is enabled to be abutted against the limiting bulge of the height positioning tool.
Optionally, in the assembling method of the split type photoelectric encoder, the provided extrusion tool includes a columnar main body and a plurality of extrusion columns connected to a bottom surface of the columnar main body; and when the extrusion tool is inserted, the extrusion column on the extrusion tool extends into the extrusion through hole of the shell bearing base. The extrusion column extends into the extrusion through hole, and the extrusion column is kept stable in the extrusion process by utilizing the limiting effect of the extrusion through hole on the extrusion column, so that the positioning precision of the coded disc assembly is improved.
Optionally, in the assembling method of the split type photoelectric encoder, after the circuit board assembly and the housing are fixed by dispensing, a light source is provided, the light source is extended into the light source mounting hole to the light source mounting protrusion to abut against the edge of the light source mounting hole, and the light source is fixed in the housing. After the circuit board assembly is fixed through dispensing, the light source extends into the light source mounting hole in the shell, and when the light source mounting protrusion of the light source abuts against the edge of the light source mounting hole, the light source is fixed, so that the accuracy of the light source mounting position can be ensured, and the step of adjusting the light source position can be omitted.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural view of an axial positioning tool according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a height positioning tool according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an extrusion tooling provided in a first embodiment of the present invention;
FIG. 4 is a cross-sectional view of an axial positioning tool and an extrusion tool according to a first embodiment of the present invention;
fig. 5 is a schematic view of an assembling device of a split-type photoelectric encoder according to a first embodiment of the present invention;
fig. 6 is a schematic view of a limiting protrusion of the height positioning tool according to the first embodiment of the present invention;
fig. 7 is a schematic step diagram of an assembling method of a split-type photoelectric encoder according to a second embodiment of the present invention;
FIG. 8 is a schematic view of a housing according to a second embodiment of the present invention attached to an axial positioning fixture;
FIG. 9 is an installation diagram of a code wheel assembly and a height positioning tool provided by a second embodiment of the invention;
FIG. 10 is a schematic view of an extrusion tooling retaining code wheel assembly provided by a second embodiment of the present invention;
FIG. 11 is a schematic view of a set screw through a screw via provided by a second embodiment of the present invention;
fig. 12 is a schematic view illustrating the mounting of a circuit board assembly according to a second embodiment of the present invention;
fig. 13 is a schematic view of the installation of the light source according to the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
In the embodiments of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "opened," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
An assembling device of a split-type photoelectric encoder according to a first embodiment of the present invention is used for assembling a split-type photoelectric encoder including a code wheel assembly and a housing, and as shown in fig. 1 to 5, the assembling device of a split-type photoelectric encoder includes:
an axial positioning tool 100, a height positioning tool 200, an extrusion tool 300 and a set screw 400, wherein, the axial positioning tool 100 comprises a housing bearing base 110 and a code wheel positioning shaft 120 arranged on the housing bearing base 110, the housing bearing base 110 is further provided with a plurality of first positioning holes 111, the first positioning holes 111 are used for fixedly connecting the housing from one side of the housing, the height positioning tool 200 is plate-shaped, and is provided with a plurality of second positioning holes 210, the plurality of second positioning holes 210 are used for fixedly connecting the housing from the other side of the housing, the extrusion tooling 300 is columnar, the housing bearing base 110 is provided with an extrusion through hole 130, the extrusion tooling 300 movably passes through the extrusion through hole 130, so as to abut against the coded disc assembly and push the coded disc assembly to abut against the height positioning tool 200, and the set screw 400 is used for penetrating through a screw through hole on the shell and abutting against the coded disc assembly so as to fix the relative position of the coded disc assembly and the shell.
Compared with the prior art, the first embodiment of the present invention simplifies the assembling process of the split-type photoelectric encoder and reduces the assembling difficulty by providing the assembling device of the split-type photoelectric encoder, which includes the axial positioning tool 100, the height positioning tool 200, the extrusion tool 300 and the set screw 400. Wherein, the axial positioning tool 100 comprises a housing bearing base 110 and a code wheel positioning shaft 120 connected with the housing bearing base 110, the housing bearing base 110 is further provided with a plurality of first positioning holes 111, the first positioning holes 111 are used for fixedly connecting the housing from one side of the housing, the position of the code wheel assembly in the direction perpendicular to the code wheel positioning shaft 120 is directly positioned by utilizing the limiting function of the code wheel positioning shaft 120, the adjusting process of mutual positioning between the code wheel assembly and the housing can be omitted, the height positioning tool 200 is plate-shaped and provided with a plurality of second positioning holes 210, the second positioning holes 210 are used for fixedly connecting the housing from the other side of the housing, the housing bearing base 110 is provided with an extrusion through hole 130, the columnar extrusion tool 300 movably penetrates through the extrusion through hole 130 to abut against the code wheel assembly, further the code wheel assembly is urged to abut against the height positioning tool 200, and the limiting function of the code wheel assembly is abutted by the height positioning tool 200, the position of the code disc assembly along the extension direction of the code disc positioning shaft 120 can be directly positioned, so that the code disc assembly is quickly and accurately positioned, and finally the position of the code disc assembly is fixed by the fastening screw 400, so that the split-type photoelectric encoder can be ensured to keep relatively stable in position between the code disc assembly and the shell in the subsequent assembling and assembling processes.
The following describes in detail the implementation of the assembling apparatus of the split-type photoelectric encoder according to the first embodiment of the present invention, and the following description is only provided for facilitating understanding of the implementation details and is not necessary to implement the present solution.
Referring to fig. 2 again, in some embodiments, a center through hole 220 is disposed at a center position of the height positioning tool 200, the center through hole 220 is used for avoiding the code wheel positioning shaft 110 of the axial positioning tool 100, and the center through hole 220 is disposed at the center position of the height positioning tool 200, so that the code wheel positioning shaft 120 can pass through the center through hole 220 when the housing and the height positioning tool 200 are fixedly connected, thereby reducing a distance between the code wheel assembly and the height positioning tool 200, making the code wheel assembly more easily supported by the height positioning tool, and simultaneously reducing a relative height between the height positioning tool 200 and the housing bearing base 110, facilitating a miniaturized design, and reducing a weight of the positioning tool 200.
Referring to fig. 6, in some embodiments, the height positioning tool 200 is provided with a limiting protrusion 230 surrounding the central through hole 220, the limiting protrusion 230 is used for positioning the position of the code wheel assembly along the extending direction of the code wheel positioning shaft 120, and by providing the limiting protrusion 230, the distance between the code wheel assembly and the height positioning tool 200 can be further reduced, and when the split type photoelectric encoder is assembled, the code wheel assembly and the height positioning tool 200 are ensured to abut against each other.
Optionally, the shape enclosed by the outer edge of the limiting protrusion 230 may also be a triangle, an ellipse, a polygon or other irregular figures, as long as the limiting protrusion 230 can ensure that the code wheel assembly is abutted against the limiting protrusion 230 when the split-type photoelectric encoder is assembled, and the matching between the assembling devices of the split-type photoelectric encoder is not affected, which is not specifically limited in the embodiment of the present invention.
Referring to fig. 4 again, in some embodiments, a base groove 140 is disposed on a side of the housing bearing base 110 away from the code wheel positioning shaft 120, the through-hole 130 penetrates through a bottom surface of the base groove 140 and is exposed on a side of the housing bearing base 110 facing the code wheel positioning shaft 120, the extrusion tooling 300 includes a cylindrical main body 310 and a plurality of extrusion columns 320 connected to the bottom surface of the cylindrical main body 310, the number of extrusion through-holes 130 is multiple, and the extrusion columns 320 and the extrusion through-holes 130 are in one-to-one correspondence and movably pass through the extrusion through-holes 130 to support the code wheel assembly. Set up base recess 140 on one side that shell bears base 110 and deviates from code wheel location axle 120, make extrusion through-hole 130 link up and expose and bear base 110 towards one side of code wheel location axle 120 from the bottom surface of base recess 140, extrusion frock 300 includes cylindrical main part 310 and a plurality of extrusion post 320 of connecting in cylindrical main part 310 bottom surface, extrusion post 320 and extrusion through-hole 130 one-to-one, and pass extrusion through-hole 130, support with the code wheel subassembly and hold, a plurality of extrusion post 320 support and hold the code wheel subassembly, can increase the contact surface of extrusion post 320 and code wheel subassembly, when promoting extrusion frock 300, make the effort distribute more evenly, ensure code wheel subassembly position accuracy, base recess 140 has limiting displacement to cylindrical main part 310, like this, when promoting extrusion frock 300, can ensure extrusion frock 300 stable extrusion, prevent extrusion frock 300 from appearing rocking.
Specifically, as shown in fig. 1, 3 and 4, the number of the extrusion through holes 130 is 3, the number of the extrusion pillars 320 is 3, the 3 extrusion through holes 130 are arranged around the code wheel positioning shaft 120, the 3 extrusion pillars 320 and the 3 extrusion through holes are in one-to-one correspondence, and when the split type photoelectric encoder is assembled, the extrusion pillars 320 penetrate through the extrusion through holes 130 and abut against the code wheel assembly.
Optionally, the number of the extrusion through holes 130 may also be 2, 4 or more, the number of the extrusion pillars 320 may also be 2, 4 or more, the number of the extrusion through holes 130 may be equal to the number of the extrusion pillars 320, or may be more than the number of the extrusion pillars 320, as long as there are extrusion through holes 130, the extrusion pillars 320 may movably pass through, which is not specifically limited in the embodiment of the present invention.
Referring again to FIG. 5, in some embodiments, there are more than 400 set screws, the housing has a plurality of screw through holes, the set screws 400 correspond to the screw through holes one by one, and the set screws 400 are used to pass through the screw through holes to support the code wheel assembly. The plurality of set screws 400 correspond to the plurality of screw through holes one by one and penetrate through the screw through holes to abut against the code disc assembly, so that after the position of the code disc assembly is adjusted by the aid of the axial positioning tool 100 and the matching of the height positioning tool 200 and the extrusion tool 300, the code disc assembly is fixed by the set screws 400, the code disc assembly is maintained in the adjusted position in a subsequent assembling process, and the position stability of the code disc assembly is guaranteed.
A method for assembling a split photoelectric encoder according to a second embodiment of the present invention is a method for assembling a split photoelectric encoder including a code wheel assembly circuit board assembly and a housing, with the use of the apparatus for assembling a split photoelectric encoder according to the first embodiment, and the method for assembling a split photoelectric encoder includes, as shown in fig. 7 to 12:
sleeving the outer shell 500 on the periphery of the coded disc positioning shaft 120, and fixedly installing one side of the outer shell 500 on the outer shell bearing base 110 of the axial positioning tool 100 by matching a connecting piece with the first fixing hole 510 extending into the first positioning hole 111 and the outer shell 500; the coded disc assembly 600 is sleeved on the periphery of the coded disc positioning shaft 120, and the coded disc assembly 600 is embedded in the shell 500; arranging a height positioning tool 200 on one side of the shell 500, which is far away from the shell bearing base 110, and fixedly connecting the other side of the shell 500 and the height positioning tool 200 through a connecting piece extending into the second positioning hole 210; inserting an extrusion tool 300 into the extrusion through hole 130 at one side of the axial positioning tool 100 departing from the height positioning tool 200, so that the extrusion tool 300 abuts against the coded disc assembly 600, and pushing the extrusion tool 300 towards the height positioning tool 200 until the position of the extrusion tool 300 is fixed; screwing a plurality of set screws 400 into the shell 500 from the screw through holes 530 of the shell 500, enabling the set screws 400 to contact the code wheel assembly 600, and screwing the set screws 400 until the position of each set screw 400 is fixed; removing the axial positioning tool 100 and the height positioning tool 200, aligning the mounting screw hole 710 of the circuit board assembly 700 with the second fixing hole 520 of the housing 500, and fixing the circuit board assembly 700 to the housing 500 through a connector extending into the mounting screw hole 710 and the second positioning hole 520; the contact surface between the circuit board assembly 700 and the housing 500 is glued and fixed.
Compared with the prior art, the second embodiment of the present invention utilizes the assembling device of the split-type photoelectric encoder provided in the first embodiment to realize the assembling of the split-type photoelectric encoder.
The implementation details of the assembly method of the split-type photoelectric encoder according to the second embodiment of the present invention are specifically described below, and the following description is only provided for facilitating understanding, and is not necessary for implementing the present solution.
Referring to fig. 8 and 9 again, specifically, the connecting member passing through the first positioning hole 111 and the first fixing hole 510 is the first connecting member 1, the housing 500 is fixed on the housing bearing base 110 by the first connecting member 1, so that the position of the housing 500 can be fixed in the subsequent assembling process, stable support is provided for the assembly and positioning of the code wheel assembly 600, and the assembly accuracy is ensured, the connecting member passing through the second positioning hole 210 and the second fixing hole 520 is the second connecting member 2, and the housing 500 and the height positioning tool 200 are fixedly connected by the second connecting member 2, so that when the position of the code wheel assembly 600 in the extending direction of the code wheel positioning shaft 120 is adjusted, the code wheel assembly 600 only needs to be abutted against the height positioning tool 200, the adjusting operation process is simplified, and the assembling efficiency is improved.
Referring again to FIG. 9, in some embodiments, a code wheel assembly 600 includes a hollow code wheel shaft 610 and a code wheel 620, the code wheel 620 coupled to an end of the hollow code wheel shaft 610; when the code wheel assembly 600 is sleeved on the code wheel positioning shaft 120, one end of the hollow code wheel shaft 610 far away from the code wheel 620 is sleeved on the code wheel positioning shaft 120, and the other end of the code wheel 620 is connected with the code wheel positioning shaft 120 through the hollow code wheel shaft 610. When the coded disc assembly 600 is sleeved on the periphery of the coded disc positioning shaft 120, the coded disc 620 is positioned at one end of the hollow coded disc shaft 610 far away from the shell bearing base 110, so that the distance between the coded disc 620 and the height positioning tool 200 can be reduced, and the coded disc 620 is ensured to be abutted against the height positioning tool 200 in the subsequent installation process.
Referring to fig. 10 again, in some embodiments, the height positioning tool 200 is provided with a limiting protrusion 230 surrounding the central through hole 220, and when the housing 500 and the height positioning tool 200 are connected, the limiting protrusion 230 of the height positioning tool 200 faces the housing bearing base 110, so that the distance between the code wheel 620 and the height positioning tool 200 can be reduced, and the code wheel 620 is ensured to abut against the limiting protrusion 230 of the height positioning tool 200.
Referring to fig. 10 again, in some embodiments, the extrusion tooling 300 includes a cylindrical main body 310 and a plurality of extrusion pillars 320 connected to the cylindrical main body 310, when the extrusion tooling 300 is inserted, the extrusion pillars 320 of the extrusion tooling 300 extend into the extrusion through holes 130 of the housing supporting base 110, and the extrusion pillars 320 are kept stable during the extrusion process by the limiting effect of the extrusion through holes 130 on the extrusion pillars 320, so as to improve the positioning accuracy of the code wheel assembly 600.
Referring to fig. 11 again, in some embodiments, after the relative positions of the housing 500 and the code wheel assembly 600 are positioned by the cooperation of the axial positioning tool 100, the height positioning tool 200 and the extrusion tool 300, the set screws 400 are used to penetrate through the screw through holes 530 of the housing 500, so that the set screws 400 contact the code wheel assembly 600, and then the set screws 400 are tightened, so that each set screw 400 tightly abuts against the code wheel assembly 600, thereby fixing the position of the code wheel assembly 600, ensuring that the position of the code wheel assembly 600 is kept stable in the subsequent assembly process, and ensuring the assembly accuracy of the split-type photoelectric encoder.
Specifically, one end of the set screw 400 extending into the screw through hole 530 abuts against the hollow code wheel shaft 610 and does not abut against the code wheel 620, so that the code wheel 620 can be prevented from being damaged when the set screw 400 is screwed down.
Optionally, rivets or other devices may be used to fix the code wheel assembly 600, as long as the position of the code wheel assembly 600 can be fixed, and subsequent assembly and assembly of the split-type photoelectric encoder are not affected, which is not specifically limited in the embodiment of the present invention.
Referring to fig. 12 again, after the position of the code wheel assembly 600 is fixed by the set screw 400, the axial positioning tool 100 and the height positioning tool 200 are removed, the mounting screw hole 710 of the circuit board assembly 700 is aligned with the second fixing hole 520 of the housing 500, the circuit board assembly 700 is fixedly connected to the housing 500 by passing the second connecting member 2 through the mounting screw hole 710 and the second fixing hole 520, and then the contact surface between the circuit board assembly 700 and the housing 500 is glued and fixed. Utilize second connecting piece 2 with circuit board assembly 700 fixed connection on shell 500, can make circuit board assembly 700 and shell 500 stable connection, ensure that circuit board assembly 700 can not break away from shell 500, later, rethread point is glued fixedly, can prevent that circuit board assembly 700 from taking place to rock when transportation or assembly, ensures split type photoelectric encoder's equipment accuracy.
Referring to fig. 13, after the circuit board assembly 700 is fixed by dispensing, the light source 800 of the split-type photoelectric encoder is mounted in the light source mounting hole 540 of the housing 500, the light source mounting protrusion 810 of the light source 800 abuts against the edge of the light source mounting hole 540, and the light source 800 is fixed in the housing 500. When the light source mounting protrusion 810 of the light source 800 abuts against the edge of the light source mounting hole 540, the light source 800 is fixed, so that the mounting position of the light source 800 can be ensured to be accurate, and the step of adjusting the position of the light source 800 can be omitted.
Alternatively, the light source 800 may be fixedly connected to the housing 500 by glue, double-sided tape or other methods, as long as the light source 800 and the housing 500 are stably connected and normally function, which is not specifically limited in this embodiment of the invention.
The above-mentioned assembling device and method for a split-type photoelectric encoder according to the embodiments of the present invention are described in detail, and the principle and the embodiments of the present invention are described herein by using specific examples, and the above description of the embodiments is only for helping understanding the idea of the present invention, and there are changes in the specific embodiments and the application scope, and in summary, the content of the present specification should not be understood as a limitation to the present invention.
Claims (10)
1. The utility model provides a split type photoelectric encoder's assembly device for the equipment includes the split type photoelectric encoder of code wheel subassembly and shell, its characterized in that includes:
the axial positioning tool comprises a shell bearing base and a coded disc positioning shaft arranged on the shell bearing base, wherein the shell bearing base is provided with a plurality of first positioning holes, and the first positioning holes are used for fixedly connecting the shell from one side of the shell;
the height positioning tool is plate-shaped and provided with a plurality of second positioning holes, and the second positioning holes are used for being fixedly connected with the shell from the other side of the shell;
the extrusion tool is columnar, an extrusion through hole is formed in the shell bearing base, and the extrusion tool can movably penetrate through the extrusion through hole to abut against the coded disc assembly and push the coded disc assembly to abut against the height positioning tool; and
and the set screw is used for penetrating through a screw through hole on the shell and abutting against the coded disc assembly so as to fix the relative position of the coded disc assembly and the shell.
2. The assembling device of the split-type photoelectric encoder according to claim 1, wherein a central through hole is formed in a central position of the height positioning tool, and the central through hole is used for avoiding the code wheel positioning shaft.
3. The assembly device of a split-type photoelectric encoder according to claim 2, wherein the height positioning tool is provided with a limiting protrusion surrounding the central through hole, and the limiting protrusion is used for positioning the position of the code wheel assembly along the extension direction of the code wheel positioning shaft.
4. The assembly device of a split-type photoelectric encoder according to any one of claims 1 to 3, wherein a base groove is formed in a side of the housing bearing base facing away from the code wheel positioning shaft, and the pressing through hole penetrates through a bottom surface of the base groove and is exposed to a side of the housing bearing base facing the code wheel positioning shaft;
the extrusion tool comprises a columnar main body and a plurality of extrusion columns connected to the bottom surface of the columnar main body, the extrusion through holes are multiple, the extrusion columns correspond to the extrusion through holes one to one, and the extrusion columns movably penetrate through the extrusion through holes to abut against the coded disc assembly.
5. The assembly device of a split-type photoelectric encoder according to any one of claims 1 to 3, wherein the number of the set screws is plural, the number of the screw through holes is plural, the set screws and the screw through holes correspond to each other one by one, and the set screws penetrate through the screw through holes to abut against the code disc assembly.
6. A method of assembling a split-type photoelectric encoder, comprising:
providing a code wheel assembly, a circuit board assembly and a shell to be assembled, and providing an assembling device of the split-type photoelectric encoder as claimed in claim 1, wherein the shell is provided with a first fixing hole and a second fixing hole;
sleeving the shell on the periphery of the coded disc positioning shaft, and fixedly mounting one side of the shell on a shell bearing base of the axial positioning tool by using a matched connecting piece which extends into the first positioning hole and the first fixing hole;
sleeving the coded disc assembly on the periphery of the coded disc positioning shaft, and embedding the coded disc assembly in the shell;
covering the height positioning tool on one side of the shell, which is far away from the shell bearing base, and fixedly connecting the other side of the shell and the height positioning tool through a connecting piece extending into the second positioning hole;
inserting an extrusion tool into the extrusion through hole on one side of the axial positioning tool, which is far away from the height positioning tool, so that the extrusion tool abuts against the coded disc assembly and pushes the extrusion tool towards the height positioning tool until the position of the extrusion tool is fixed;
screwing a plurality of set screws into the shell from screw through holes of the shell, so that the set screws contact the coded disc assembly, and then screwing the set screws until the position of each set screw is fixed;
removing the axial positioning tool and the height positioning tool, aligning the mounting screw hole of the circuit board assembly with the second fixing hole, and fixing the circuit board assembly to the shell through a connecting piece extending into the mounting screw hole and the second fixing hole;
and dispensing and fixing the contact surface between the circuit board assembly and the shell.
7. The method of assembling a split photoelectric encoder of claim 6,
the code wheel assembly comprises a hollow code wheel shaft and a code wheel, and the code wheel is connected to one end of the hollow code wheel shaft;
when the coded disc assembly is sleeved on the periphery of the coded disc positioning shaft, one end, far away from the coded disc, of the hollow coded disc shaft is sleeved on the periphery of the coded disc positioning shaft, and then the coded disc positioning shaft penetrates through the hollow coded disc shaft to be connected with the other end of the coded disc.
8. The method of assembling a split-type photoelectric encoder according to claim 6,
the height positioning tool is provided with a limiting bulge surrounding the central through hole;
and when the shell is connected with the height positioning tool, the limiting bulge of the height positioning tool faces the shell bearing base.
9. The method of assembling a split-type photoelectric encoder according to claim 8,
the provided extrusion tool comprises a columnar main body and a plurality of extrusion columns connected to the bottom surface of the columnar main body;
and when the extrusion tool is inserted, the extrusion column on the extrusion tool extends into the extrusion through hole of the shell bearing base.
10. The method for assembling a split-type photoelectric encoder according to any one of claims 6 to 9, wherein after the circuit board assembly and the housing are fixed by dispensing, a light source is provided, the light source is inserted into the light source mounting hole until the light source mounting protrusion abuts against an edge of the light source mounting hole, and the light source is fixed in the housing.
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| Publication number | Publication date |
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| CN114734237B (en) | 2023-02-14 |
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