CN216245916U - Dial indicator switching device - Google Patents
Dial indicator switching device Download PDFInfo
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- CN216245916U CN216245916U CN202122912742.XU CN202122912742U CN216245916U CN 216245916 U CN216245916 U CN 216245916U CN 202122912742 U CN202122912742 U CN 202122912742U CN 216245916 U CN216245916 U CN 216245916U
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Abstract
The utility model discloses a dial indicator switching device, which comprises: the main shaft connecting rod assembly, the adapter rod assembly and the dial indicator connecting rod assembly; the main shaft connecting rod assembly comprises a first connecting rod, a first connecting piece and a pressing piece, one end of the first connecting rod is connected with the first connecting piece, and the other end of the first connecting rod is used for being connected with an external boring machine; the pressing piece is rotatably connected to the top of the first connecting piece, and a first fixing hole is formed in the tail of the pressing piece; the adapter rod assembly comprises a second connecting rod, a second connecting piece and a conversion joint, wherein one end of the second connecting rod is clamped in the first fixing hole, and the other end of the second connecting rod is rotatably connected with the conversion joint through the second connecting piece; a second fixing hole is formed in the position, close to the free end, of the conversion joint; the dial indicator connecting rod assembly comprises a third connecting rod, a third connecting piece and a dial indicator fixing piece, one end of the third connecting rod is clamped in the second fixing hole, and the other end of the third connecting rod is connected with the third connecting piece; the third connecting piece and the surface which is connected with the third connecting rod are vertical to one surface and are rotatably connected with a dial indicator fixing piece. The processing efficiency is improved.
Description
Technical Field
The utility model relates to the field of machining, in particular to a dial indicator switching device.
Background
Company products are mostly large-scale casting shell type parts, the structure is more complicated, and the parts belong to irregular parts, and the type products require that the inner cavity is not processed, and the shell deformation law is not uniform after casting to cause the subsequent benchmark processing difficulty of the shell. In the process of processing and aligning the datum, the degrees of freedom in three directions exist, and the degrees of freedom in the three directions need to be limited simultaneously so as to carry out cutting processing on the datum.
The inner cavity of the shell needs to be processed in a complex manner, and the inner cavity of the shell is provided with a large milling plane, a small milling plane, a step plane, a plane hole, a circular arc surface hole and the like, and the processed parts are different in height, distance, direction and the like. Therefore, during rough machining, the process contents such as wall thickness borrowing, allowance borrowing and the like need to be carried out on a boring machine for multiple times under the horizontal state of the shell, and accurate alignment of shell parts can be realized. Ensuring that there is sufficient machining allowance in the subsequent finishing stage. The traditional method of use is as follows:
the dial indicator is adsorbed at the tail end of a boring machine spindle through a magnetic meter seat, the spindle extends into the shell, a plurality of points are respectively punched in the shell by manually rotating a spindle rod for a plurality of times, and the eating amount of the dial indicator is recorded so as to judge the allowance distribution of the inner cavity of the shell.
The processing method is blocked by various bosses, platforms and reinforcing ribs in the inner cavity of the shell, so that the processing method is relatively labor-consuming in actual operation, the head part of the main shaft needs to be moved or rotated for many times to contact the inner cavity of the shell, and the actual operation is very complicated. Often leave alignment dead angle easily, efficiency is not high, obviously does not satisfy mass production requirement.
Aiming at the problem that the operation of the inner cavity of the measuring shell is difficult in the prior art, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a dial indicator switching device, which realizes the rotation of the whole device in all directions through a main shaft connecting rod assembly, a switching rod assembly and a dial indicator connecting rod assembly which are connected with each other, so as to solve the problem that the inner cavity of a shell is difficult to measure in the prior art.
In order to achieve the above object, the present invention provides a dial indicator adapter, comprising: the main shaft connecting rod assembly, the adapter rod assembly and the dial indicator connecting rod assembly; the main shaft connecting rod assembly comprises a first connecting rod, a first connecting piece and a pressing piece, one end of the first connecting rod is connected with the side face of the first connecting piece, and the other end of the first connecting rod is used for being connected with an external boring machine; the pressing piece is rotatably connected to the top of the first connecting piece, and a first fixing hole is formed in the tail of the pressing piece; the adapter rod assembly comprises a second connecting rod, a second connecting piece and a conversion joint, one end of the second connecting rod is clamped in the first fixing hole, and the other end of the second connecting rod is rotatably connected with the conversion joint through the second connecting piece; a second fixing hole is formed in the position, close to the free end, of the conversion joint; the dial indicator connecting rod assembly comprises a third connecting rod, a third connecting piece and a dial indicator fixing piece, one end of the third connecting rod is clamped in the second fixing hole, and the other end of the third connecting rod is connected with one surface of the third connecting piece; and the third connecting piece and the surface which is connected with the third connecting rod are vertical to one surface and are rotatably connected with a dial indicator fixing piece.
Further optionally, the first connecting rod and the first connecting piece are connected together through interference fit.
Further optionally, the pressing sheet is provided with openings on three sides and is U-shaped; a first fixing hole is formed in the inner side of the tail of the pressing piece.
Further optionally, the first adjusting piece penetrates through two opposite opening walls of the pressing piece and is connected with the top of the first connecting piece, and the first adjusting piece is used for adjusting the distance between the two opening walls.
Further optionally, one end of the second connecting piece, which is close to the adapter, is provided with a connecting groove with three open sides; the conversion joint is connected in the connecting groove of the second connecting piece through a revolute pair.
Further optionally, a straight groove is formed at a free end of the adapter, and the straight groove extends to the edge of the second fixing hole; and a second adjusting piece is arranged at the top of the adapter corresponding to the straight groove and penetrates through the straight groove to adjust the size of the straight groove.
Further optionally, the third connecting piece includes a first supporting portion and a second supporting portion that are perpendicular to each other; the first supporting part is fixed with the third connecting rod; the second supporting part is rotatably connected with the dial indicator fixing part.
Further optionally, the dial indicator fixing piece comprises a support and a compression column; the third connecting piece is provided with a counter bore, and the support is matched with the counter bore and fixed on the third connecting piece; the pressing column is connected with the support, and a third fixing hole is formed in the side face of the pressing column.
Further optionally, the dial indicator fixing piece further comprises a third adjusting piece; the third adjusting piece penetrates through the bottom of the pressing column and is movably connected to the inner part of the pressing column.
The technical scheme has the following beneficial effects: in the embodiment of the utility model, the three components are connected with the boring machine spindle and the dial indicator end to end, so that the angle change among the components is realized; specifically, the first extension rod can be fixed after being adjusted by 360 degrees before being installed on the main shaft, the pressing piece can be fixed after being rotated by 360 degrees around the central shaft of the first connecting piece, the second extension rod can be fixed after being adjusted by 360 degrees before being installed on the first fixing hole, the conversion joint can be fixed after being adjusted by 240 degrees through the revolute pair, and the dial indicator fixing piece can be fixed after being adjusted by 300 degrees relative to the third connecting piece. Above, the device realizes the angle adjustment and fixation similar to the human arm joint, and improves the alignment precision and efficiency. The problem of the processing of the inner cavity of the complex shell by wall thickness is solved, the production efficiency is improved, and the production rhythm requirement of mass production is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dial indicator adapter according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a spindle extension rod assembly provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an adapter rod assembly provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a extension bar assembly of a dial indicator according to an embodiment of the present invention.
Reference numerals: 1-main shaft extension rod assembly 101-first extension rod 102-first connecting piece 103-compressing sheet 1031-first fixing hole 104-first adjusting piece 2-adapter rod assembly 201-second extension rod 202-second connecting piece 2021-connecting groove 203-adapter joint 2031-second fixing hole 2032-linear groove 204-second adjusting piece 3-dial indicator extension rod assembly 301-third extension rod 302-third connecting piece 303-dial indicator fixing piece 3031-support 3032-compressing column 3033-third fixing hole 3034-third adjusting piece 4-dial indicator
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem that the size of the inner cavity of the shell is difficult to measure, the utility model provides a dial indicator 4 switching device, as shown in fig. 1, the device comprises: the main shaft connecting rod assembly 1, the adapter rod assembly 2 and the dial indicator connecting rod assembly 3; the main shaft connecting rod assembly 1 comprises a first connecting rod 101, a first connecting piece 102 and a pressing piece 103, wherein one end of the first connecting rod 101 is connected with the side surface of the first connecting piece 102, and the other end of the first connecting rod is used for being connected with an external boring machine; the pressing piece 103 is rotatably connected to the top of the first connecting piece 102, and the tail part of the pressing piece is provided with a first fixing hole 103; the adapter rod assembly 2 comprises a second connecting rod 201, a second connecting piece 202 and a conversion joint 203, wherein one end of the second connecting rod 201 is clamped in the first fixing hole 103, and the other end of the second connecting rod is rotatably connected with the conversion joint 203 through the second connecting piece 202; a second fixing hole 2031 is formed at the position, close to the free end, of the conversion joint 203; the dial indicator extension rod assembly 3 comprises a third extension rod 301, a third connecting piece 302 and a dial indicator fixing piece 303, wherein one end of the third extension rod 301 is clamped in the second fixing hole 2031, and the other end of the third extension rod 301 is connected with one surface of the third connecting piece 302; the third connecting piece 302 is rotatably connected with a dial indicator fixing piece 303 on the surface perpendicular to the surface connected with the third connecting rod 301.
As shown in fig. 1, one end of a main shaft extension rod assembly 1 is connected with a switching rod assembly 2, the other end of the main shaft extension rod assembly is used for being connected with a main shaft of a boring machine, one end of the switching rod assembly 2 is connected with a dial indicator extension rod assembly 3, the other end of the switching rod assembly is used for being connected with a dial indicator 4, and all the parts can rotate in different directions.
As a specific implementation manner, fig. 2 is a schematic structural diagram of a spindle rod assembly 1 according to an embodiment of the present invention, and as shown in fig. 2, the spindle rod assembly 1 includes a first rod 101, a first connector 102, and a pressing sheet 103. The first connecting member 102 is a rotary joint with a rotary joint function, and is substantially cylindrical, the top of the first connecting member is rotatably connected with a pressing piece 103, and the pressing piece 103 rotates with a center line of the first connecting member 102 as a rotating axis. The first fixing hole 103 is formed in the tail of the pressing piece 103, the first fixing hole 103 is a through hole, the pressing piece 103 vertically penetrates through the side face of the pressing piece 103, and the direction of the through hole is in a spatial vertical relation with the direction of the rotating shaft of the pressing piece 103. The first connecting rod 101 is used as a connecting rod of the boring machine and main shaft connecting rod assembly 1, one end of the first connecting rod is connected with the side surface of the first connecting piece 102, and the side surface of the first connecting piece 102 is provided with a clamping hole matched with the end of the first connecting piece 102 so as to fix one end of the first connecting piece 102; the other end of the first connecting rod 101 can be clamped in a through hole of a boring machine spindle in any direction, so that the relative position of the spindle connecting rod assembly 1 and the boring machine spindle can be adjusted before the spindle connecting rod assembly is assembled with a boring machine. The length of the first extension rod 101 can be specifically set according to the size of the inner cavity of the shell, and preferably, the length of the first extension rod 101 is 200 mm.
Fig. 3 is a schematic structural diagram of the adapter rod assembly 2 according to the embodiment of the present invention, and as shown in fig. 3, the adapter rod assembly 2 includes a second connection rod 201, a second connection member 202, and a conversion joint 203. The second connecting rod 201 is used as a connecting rod of the adapter rod assembly 2 and the main shaft connecting rod assembly 1, and one end of the second connecting rod is connected to the first fixing hole 103 of the pressing sheet 103; the other end is fixedly connected with the second connecting piece 202. The second connecting member 202 is substantially rectangular, and has one end fixedly connected to the second connecting rod 201 and the other end rotatably connected to the adapter 203. One end of the adapter 203 is rotatably connected with the second connector 202, and the direction of the rotating shaft of the adapter 203 is perpendicular to the fixing surface of the second connector 202 for fixing the adapter 203; a second fixing hole 2031 is formed near the free end, and the second fixing hole 2031 is a through hole vertically penetrating the adapter 203 from the side surface of the adapter 203. The length of the second extension rod 201 can be specifically set according to the size of the inner cavity of the shell, and preferably, the length of the second extension rod 201 is 200 mm.
Fig. 4 is a schematic structural diagram of a extension bar assembly 3 according to an embodiment of the present invention, and as shown in fig. 4, the extension bar assembly 3 includes a third extension bar 301, a third connector 302, and a dial indicator fixing member 303. One end of the third extension rod 301 is connected to the second fixing hole 2031, and the other end of the third extension rod is connected to the third connecting member 302, so as to connect the dial indicator extension rod assembly 3 to the adapter rod assembly 2. The third connector 302 is rotatably connected with a dial indicator fixing piece 303, the dial indicator fixing piece 303 is perpendicular to the corresponding third connector 302 fixing surface, and the rotating shaft of the dial indicator fixing piece 303 is also perpendicular to the fixing surface.
Through the structural design, the rotation of the pressing sheet 103, the rotation of the conversion joint 203, the rotation of the dial indicator fixing piece 303, the rotation around the spindle after the first connecting rod 101 is connected with the spindle of the boring machine, the connecting direction of each connecting rod with the fixing hole can be adjusted before connection, and the relative positions among the components are changed, so that after the device is installed on the boring machine, the dial indicator 4 rotates in the direction of X, Y, Z, the all-directional 360-degree alignment of the inner cavity of the complex shell is further realized, and the alignment precision and efficiency are improved. The problem of the processing of the inner cavity of the complex shell by wall thickness is solved, the production efficiency is improved, and the production rhythm requirement of mass production is met.
As an alternative embodiment, the first extension rod 101 and the first connecting member 102 are connected together by interference fit.
The side surface of the first connecting member 102 is provided with a connecting rod fixing hole, and the fixing hole is in interference fit with the end portion of the first connecting rod 101, so that the first connecting rod 101 and the first connecting member 102 are tightly and fixedly connected. So as to transmit larger moment in the rotating process and prevent the connection from falling off due to overlarge rotating force in the rotating process.
As an alternative embodiment, as shown in fig. 2, the pressing piece 103 is open on three sides and is U-shaped; the inner side of the tail of the pressing piece 103 is provided with a first fixing hole 103.
As shown in fig. 2, the pressing piece 103 is a U-shaped piece, the tail end of the U-shaped piece is closed, the bottom of the U-shaped piece is rotatably connected to the top of the first connecting piece 102, the end face corresponding to the tail end and two side faces connected to the two end faces are both provided with openings, that is, three sides of the pressing piece 103 are open, and the openings are continuous with the first fixing hole 103. The first fixing hole 103 is fitted with the second extension bar 201.
As an alternative embodiment, the first adjusting member 104 is connected to the top of the first connecting member 102 through two opposite opening walls of the pressing piece 103 for adjusting the distance between the two opening walls.
The first adjusting piece 104 penetrates through two opening walls of the pressing piece 103 from one side of the top of the pressing piece 103 and is connected with the top of the first connecting piece 102, and when the first adjusting piece 104 is rotated in a certain direction, the pressing piece 103 is not rotated any more under the extrusion force of the first adjusting piece 104, so that the relative position of the pressing piece 103 and the first connecting piece 102 is determined; meanwhile, the top opening wall of the pressing piece 103 is moved towards the bottom opening wall by the extrusion force of the first adjusting piece 104, so that the distance between the two opening walls is reduced, the size of the first fixing hole 103 is reduced, and the clamping connection of the second connecting rod 201 and the first fixing hole 103 is realized. When the first adjusting piece 104 is rotated in the other direction, the pressing piece 103 receives a reduced pressing force of the first adjusting piece 104 and can rotate along with the rotating shaft of the pressing piece to adjust the relative position of the pressing piece 103 and the first connecting piece 102; meanwhile, the top opening wall of the pressing sheet 103 and the extrusion force of the first adjusting piece 104 are reduced, and the distance between the two opening walls is increased to drive the size of the first fixing hole 103 to be increased, so that the limiting force of the first fixing hole 103 on the second connecting rod 201 is reduced, and the rotation adjustment of the second connecting rod 201 or the disassembly of the second connecting rod 201 is realized.
As shown in fig. 2, the bottom of the first connecting member 102 is also provided with an adjusting member, which penetrates into the connecting rod fixing hole inside the first connecting member 102 from the bottom of the first connecting member 102 to further fix the first connecting rod 101, and at the same time, facilitates the detachment of the first connecting rod 101.
In a preferred embodiment, the first adjusting member 104 is an adjusting nut.
As an alternative embodiment, as shown in fig. 3, one end of the second connection part 202 near the conversion joint 203 is provided with a connection groove 2021 with three open sides; the switching joint 203 is connected in the connecting groove 2021 of the second connecting member 202 through a revolute pair.
The second connecting member 202 is substantially rectangular, and has an end surface fixedly connected to the second connecting rod 201, and an open end surface, and two side surfaces between the two end surfaces are also open to form a connecting groove 2021. One end of the switching joint 203 is arranged in the connecting groove 2021 and is connected with the connecting groove 2021 through a revolute pair, so that the switching joint 203 rotates towards the two opposite side directions of the second connecting piece 202, and the rotating angle can reach 240 degrees.
Further, an adjusting member is arranged at the top of the second connecting member 202 corresponding to the connecting position of the adapter 203, and the adjusting member passes through the second connecting member 202 to be connected with the adapter 203. When the adjusting piece rotates towards a certain direction, the adjusting piece fixes the relative position of the conversion joint 203 and the second connecting piece 202; when the adjusting member is rotated in the reverse direction, the restricting force of the adjusting member to the conversion head is reduced, thereby adjusting the rotation angle of the conversion joint 203. Preferably, the adjusting member is an adjusting nut.
As an alternative embodiment, as shown in fig. 3, a straight groove 2032 is formed at a free end of the adapter 203, and the straight groove 2032 extends to an edge of the second fixing hole 2031; a second adjusting member 204 is disposed at the top of the conversion joint 203 corresponding to the linear groove 2032, and the second adjusting member 204 passes through the linear groove 2032 and is used for adjusting the size of the linear groove 2032.
The portion of the adapter 203 near the free end is opened with a second fixing hole 2031, the second fixing hole 2031 is communicated with a linear groove 2032, and the linear groove 2032 is opened from the end of the adapter 203 to the edge of the second fixing hole 2031.
A second adjusting member 204 is fixed at the top of the conversion joint 203 corresponding to the linear groove 2032, and the second adjusting member 204 passes through one side wall of the linear groove 2032 and is spirally connected with the other side wall. When the second adjusting member 204 rotates in a certain direction, the distance between the two side walls of the linear groove 2032 decreases, so as to drive the size of the second fixing hole 2031 to decrease, so that one end of the third connecting rod 301 is limited in the second fixing hole 2031, and the relative position of the white minute extension rod assembly and the adapter rod assembly 2 is fixed; when the second adjusting member 204 rotates in the other direction, the distance between the two side walls of the linear groove 2032 increases to increase the size of the second fixing hole 2031, so as to reduce the restriction of the second fixing hole 2031 on the third connecting rod 301, thereby facilitating the rotation of the third connecting rod 301 to adjust the relative position of the dial indicator connecting rod assembly 3 and the adapter rod assembly 2, or facilitating the detachment of the third connecting rod 301 from the adapter rod assembly 2. The third connecting rod 301 can be adjusted by 360 degrees and then clamped and connected with the second fixing hole 2031.
As an alternative embodiment, as shown in fig. 4, the third connecting member 302 includes a first supporting portion and a second supporting portion perpendicular to each other; the first supporting part is fixed with the third connecting rod 301; the second supporting part is rotatably connected with the dial indicator fixing piece 303.
As shown in fig. 4, the third connecting member 302 includes a first supporting portion and a second supporting portion perpendicular to each other, wherein an outer side surface of the first supporting portion is fixedly connected to an end of the third connecting rod 301; the medial surface of second supporting part is connected with percentage table mounting 303 for the connecting rod of fixed percentage table 4. The dial indicator fixing piece 303 is rotatably connected to the second supporting portion, and a rotation axis thereof is perpendicular to an inner side surface of the second supporting portion.
As an alternative embodiment, as shown in fig. 4, the dial indicator fixing member 303 includes a support 3031 and a pressing column 2032; a counter bore is formed in the third connecting piece 302, and the support 3031 is matched with the counter bore and fixed on the third connecting piece 302; the compressing column 2032 is connected with the support 3031, and a third fixing hole 3033 is formed in the side surface.
As shown in fig. 4, the dial indicator fixture 303 includes a support 3031 and a compression column 2032. The support 3031 is a V-shaped seat, and the bottom of the support is adapted to a counter bore formed in the third connecting member 302, so that the V-shaped seat can be tightly connected to the third connecting member 302. The compressing column 2032 is rotatably connected to the support 3031, and a third fixing hole 3033 is formed in the side surface of the compressing column to fix the connecting rod of the dial indicator 4. And a third fixing hole 3033 is formed in the side surface of the pressing block, the third fixing hole 3033 is a through hole and penetrates through the pressing block, and the direction of the through hole is vertical to the rotating direction of the pressing block. The range of rotation of the compact blocks can be up to 300 °.
As an optional embodiment, the dial indicator fixing part 303 further includes a third adjusting part 3034; the third adjusting member 3034 is inserted into the bottom of the compression column 2032 and is movably connected to the inside of the compression column 2032.
As shown in fig. 4, the dial indicator fixing member 303 further includes a third adjusting member 3034, and the third adjusting member 3034 penetrates a third fixing hole 3033 inside the pressing block from the bottom of the third connecting member 302. When the third adjusting part 3034 rotates towards a certain direction, the third adjusting part can be abutted against the connecting rod of the dial indicator 4 so as to limit the relative position of the connecting rod of the dial indicator 4 and the connecting rod component 3 of the dial indicator; when the third adjusting member 3034 is rotated in the other direction, the restricting force to the connection rod of the dial indicator 4 is reduced to adjust the angle of the dial indicator 4 or to detach the dial indicator 4.
Preferably, the third adjusting member 3034 is a fastening nut. The compression column 2032 and the fastening nut can compress the universal dial indicator 4 indicator rod after being tightly matched through threads.
The use method of the device is as follows: during alignment, after the shell part is flatly placed on the workbench, a special hoop tool is used for pre-pressing (not tightly pressing), and after pre-pressing, the first connecting rod 101 of the spindle connecting rod assembly 1 is fastened with a spindle of a boring machine through a nut. And the second extension bar 201 on the adapter bar assembly 2 passes through the first fixing hole 103 on the pressing sheet 103 of the main shaft extension bar assembly 1. The first adjustment member 104 is pre-tightened to maintain a fixed state. Next, the dial rod assembly 3 is inserted into the second fixing hole 2031 of the adapter 203 of the adapter assembly 2, and then the second adjustment member 204 is fastened. Finally, the universal dial indicator 4 stem is inserted into the third fixing hole 3033 in the compression post 2032 in the dial indicator stem assembly 3, and the dial indicator 4 is fastened by the third adjusting member 3034.
The above operation completes the pre-fastening work of the dial indicator 4. The device is similar to the arm joints of a human body, can realize the centering of the watch at any angle and any direction, and does not leave any dead angle. When the contact of the dial indicator 4 contacts with a certain point of the inner cavity of the shell, the fine adjustment nuts of the process device are fastened at the same time. A full positioning can be achieved, at which point the dial indicator 4 indication can be read and recorded.
Because the shell parts are mostly semicircular or full-circle cast shells, the three degrees of freedom of the parts are the degrees of freedom in the direction of rotating around the Z axis respectively, namely the degrees of freedom of the shell busbar body in the X axis direction; the freedom degree of rotation around the X-axis direction, namely the freedom degree of rotation of the shell around the axis of the shell; the freedom degree of rotation around the Y axis is the freedom degree of the front and the back of the opening part of the shell in the same height direction. Before processing, the degrees of freedom in three directions must be completely restricted, namely the shell is aligned, and then the shell can be processed subsequently. If the table eating amount is not consistent, the fine adjustment is continued by the wall thickness and the like.
The technical scheme has the following beneficial effects: in the embodiment of the utility model, the three components are connected with the boring machine spindle and the dial indicator 4 end to end, so that the angle change among the components is realized; specifically, the first connecting rod 101 can be fixed after being adjusted by 360 degrees before being mounted on the main shaft, the pressing piece 103 can be fixed after being rotated by 360 degrees around the central axis of the first connecting piece 102, the second connecting rod 201 can be fixed after being adjusted by 360 degrees before being mounted on the first fixing hole 103, the conversion joint 203 can be fixed after being adjusted by 240 degrees through a revolute pair, and the dial indicator fixing piece 303 can be fixed after being adjusted by 302300 degrees relative to the third connecting piece. Above, the device realizes the angle adjustment and fixation similar to the human arm joint, and improves the alignment precision and efficiency. The problem of the processing of the inner cavity of the complex shell by wall thickness is solved, the production efficiency is improved, and the production rhythm requirement of mass production is met.
The above embodiments of the present invention have been described in detail to illustrate the objects, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A dial indicator switching device is characterized by comprising:
the main shaft connecting rod assembly, the adapter rod assembly and the dial indicator connecting rod assembly;
the main shaft connecting rod assembly comprises a first connecting rod, a first connecting piece and a pressing piece, one end of the first connecting rod is connected with the side face of the first connecting piece, and the other end of the first connecting rod is used for being connected with an external boring machine;
the pressing piece is rotatably connected to the top of the first connecting piece, and a first fixing hole is formed in the tail of the pressing piece;
the adapter rod assembly comprises a second connecting rod, a second connecting piece and a conversion joint, one end of the second connecting rod is clamped in the first fixing hole, and the other end of the second connecting rod is rotatably connected with the conversion joint through the second connecting piece;
a second fixing hole is formed in the position, close to the free end, of the conversion joint;
the dial indicator connecting rod assembly comprises a third connecting rod, a third connecting piece and a dial indicator fixing piece, one end of the third connecting rod is clamped in the second fixing hole, and the other end of the third connecting rod is connected with one surface of the third connecting piece; and the third connecting piece and the surface which is connected with the third connecting rod are vertical to one surface and are rotatably connected with a dial indicator fixing piece.
2. The dial indicator adapter device according to claim 1, wherein:
the first connecting rod and the first connecting piece are connected together in an interference fit mode.
3. The dial indicator adapter device according to claim 1, wherein:
the pressing sheet is provided with openings on three sides and is U-shaped;
a first fixing hole is formed in the inner side of the tail of the pressing piece.
4. The dial indicator adapter device according to claim 3, wherein:
the first adjusting piece penetrates through two opposite opening walls of the pressing piece to be connected with the top of the first connecting piece, and is used for adjusting the distance between the two opening walls.
5. The dial indicator adapter device according to claim 1, wherein:
one end of the second connecting piece, which is close to the adapter, is provided with a connecting groove with three open sides;
the conversion joint is connected in the connecting groove of the second connecting piece through a revolute pair.
6. The dial indicator adapter device according to claim 1, wherein:
a straight groove is formed in the free end of the adapter and extends to the edge of the second fixing hole;
and a second adjusting piece is arranged at the top of the adapter corresponding to the straight groove and penetrates through the straight groove to adjust the size of the straight groove.
7. The dial indicator adapter device according to claim 1, wherein:
the third connecting piece comprises a first supporting part and a second supporting part which are perpendicular to each other;
the first supporting part is fixed with the third connecting rod;
the second supporting part is rotatably connected with the dial indicator fixing part.
8. The dial indicator adapter device according to claim 1, wherein:
the dial indicator fixing piece comprises a support and a pressing column;
the third connecting piece is provided with a counter bore, and the support is matched with the counter bore and fixed on the third connecting piece;
the pressing column is connected with the support, and a third fixing hole is formed in the side face of the pressing column.
9. The dial indicator adapter device according to claim 8, wherein:
the dial indicator fixing piece also comprises a third adjusting piece;
the third adjusting piece penetrates through the bottom of the pressing column and is movably connected to the inner part of the pressing column.
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| CN202122912742.XU CN216245916U (en) | 2021-11-25 | 2021-11-25 | Dial indicator switching device |
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| CN202122912742.XU CN216245916U (en) | 2021-11-25 | 2021-11-25 | Dial indicator switching device |
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| CN114001613A (en) * | 2021-11-25 | 2022-02-01 | 山西汾西重工有限责任公司 | Dial indicator switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001613A (en) * | 2021-11-25 | 2022-02-01 | 山西汾西重工有限责任公司 | Dial indicator switching device |
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