CN109909876B - Grinding carriage mechanism - Google Patents
Grinding carriage mechanism Download PDFInfo
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- CN109909876B CN109909876B CN201910229313.7A CN201910229313A CN109909876B CN 109909876 B CN109909876 B CN 109909876B CN 201910229313 A CN201910229313 A CN 201910229313A CN 109909876 B CN109909876 B CN 109909876B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to the technical field of micro drill bit machining, and relates to a grinding carriage mechanism. The installation seat is pivoted to the support, the grinding wheel shaft seat is longitudinally and slidably installed on the installation seat, and the grinding wheel assembly can be longitudinally installed on the grinding wheel shaft seat. The taper adjusting assembly and the length adjusting assembly are integrated together, so that the length adjustment and the taper adjustment have small mutual influence, and the taper adjusting assembly can be quickly and accurately adjusted in place. The angle of the mounting seat relative to the support can be adjusted through the taper adjusting assembly, so that the grinding taper of the bar stock is changed. The pivot axis of the mounting seat is intersected with or close to the ground part of the bar stock, and the diameter and the length of the bar stock are hardly changed when the grinding taper is changed. The angle of the mounting seat relative to the support is adjusted firstly to enable the axis of the grinding wheel assembly to be parallel to the sliding direction of the grinding wheel shaft seat, and the grinding length of the bar stock can be changed by adjusting the position of the grinding wheel shaft seat relative to the mounting seat through the length adjusting assembly. The sliding direction of the grinding wheel shaft seat is parallel to the grinding axis of the bar, and the diameter and the taper of the bar can not be changed when the grinding length is adjusted.
Description
Technical Field
The invention belongs to the technical field of micro drill bit machining, and particularly relates to a grinding carriage mechanism.
Background
At present, in the grinding processing of cylindrical bars such as a drill bit, the length adjustment and the taper adjustment of the bars are respectively finished by using separate functional parts, the length adjustment and the taper adjustment can be mutually influenced during adjustment, the ideal state can be achieved by repeated adjustment for many times, and the change is easy to occur even if the adjustment is finished.
Disclosure of Invention
The invention aims to provide a grinding carriage mechanism, which solves the technical problem that in the prior art, when a bar is ground, the length adjustment and the taper adjustment are mutually influenced, and the ideal state can be achieved only by repeated adjustment.
The embodiment of the invention provides a grinding carriage mechanism, which comprises:
a support;
the mounting seat is pivoted to the support, and the mounting seat is intersected with or close to the ground part of the bar relative to the pivot axis of the support;
the grinding wheel shaft seat is longitudinally and slidably arranged on the mounting seat and is used for longitudinally mounting the grinding wheel assembly;
the taper adjusting assembly is used for adjusting the angle of the mounting seat relative to the support; and
and the length adjusting assembly is used for adjusting the position of the grinding wheel axle seat relative to the mounting seat.
Optionally, the taper adjusting component includes a first nut member connected to the mounting base and having a threaded hole, a taper adjusting screw penetrating through the threaded hole of the first nut member and screwed with the first nut member, and an adjusting base for limiting the axial direction of the taper adjusting screw, wherein the mounting base rotates relative to the support when screwing the taper adjusting screw.
Optionally, the mounting seat is provided with a placing groove for placing the first nut piece and a penetrating groove for allowing the screw rod part of the taper adjusting screw to penetrate, and the placing groove is communicated with the penetrating groove.
Optionally, the mounting seat is fixedly connected with a touch rod, the touch rod is provided with a pressing surface perpendicular to the axis of the taper adjusting screw, the support is provided with a taper adjusting dial indicator, and the measuring rod of the taper adjusting dial indicator is pressed against the pressing surface of the touch rod;
and/or the support is provided with an angle scale, and the mounting seat is fixed with a first pointer which is matched with the angle scale to read the corner of the mounting seat. Optionally, the length adjustment assembly includes a second nut member fixedly connected to the mounting base, a length adjustment screw threaded through a threaded hole of the second nut member and in threaded connection with the second nut member, and a bearing for supporting the length adjustment screw to the grinding wheel axle seat, the grinding wheel axle seat moving longitudinally relative to the mounting base when the length adjustment screw is screwed.
Optionally, the mounting seat is provided with a dovetail sliding rail, and the grinding wheel shaft seat is provided with a dovetail groove matched with the dovetail sliding rail; one side wall of the dovetail sliding rail is provided with a locking strip, the grinding wheel shaft seat is penetrated with a push assembly, and the push assembly is used for pushing the locking strip to limit the position of the grinding wheel shaft seat relative to the mounting seat.
Optionally, the mounting seat is provided with a positioning pin, the grinding wheel axle seat is provided with a length adjustment dial indicator, and a measuring rod of the length adjustment dial indicator is pressed against the positioning pin;
and/or the second nut member is connected with a dial in a synchronous rotation manner, and the grinding wheel shaft seat is fixed with a second pointer which is used for being matched with the dial to read the rotation angle of the second nut member.
Optionally, a resilient tensioning assembly is also included for urging the mount toward the support.
Optionally, the elastic tensioning assembly comprises a base plate arranged at a position, deviating from the mounting seat, of the support seat, a first screw and a second screw for enabling the base plate and the mounting seat to synchronously rotate relative to the support seat, and an elastic piece for clamping the support seat between the base plate and the mounting seat; the first screw penetrates through the base plate, the support and the mounting seat in sequence, and is in threaded connection fit with the mounting seat; the second screw penetrates through the base plate, the support and the mounting seat in sequence, and the second screw is in threaded connection fit with the mounting seat.
Optionally, the elastic tensioning assembly further comprises wear-resistant pieces respectively arranged between the backing plate and the support and between the mounting seat and the support;
and/or, the elastic tensioning assembly further comprises a compression seat with a mounting groove, the elastic piece is arranged in the mounting groove, the first screw sequentially penetrates through the elastic piece, the compression seat and the base plate, and two ends of the elastic piece are respectively propped against the head of the first screw and the bottom surface of the mounting groove of the compression seat so that the compression seat is propped against the base plate.
The one or more technical schemes in the grinding carriage mechanism provided by the invention have at least one of the following technical effects: the installation seat is pivoted with the support, the grinding wheel shaft seat is longitudinally and slidably installed on the installation seat, and the grinding wheel assembly can be longitudinally installed on the grinding wheel shaft seat. The taper adjusting assembly and the length adjusting assembly are integrated together, and the length adjusting assembly have small mutual influence when in taper adjustment, so that the taper adjusting assembly can be quickly and accurately adjusted in place.
When the grinding taper of the bar stock is to be changed, the angle of the mounting seat relative to the support can be adjusted through the taper adjusting assembly, so that the grinding taper of the bar stock is changed. The pivot axis of the mounting seat is intersected with or is close to the ground part of the bar, so that the diameter and the length of the ground part of the bar are hardly changed when the grinding taper is changed.
When the grinding length of the bar is required to be changed, the angle of the mounting seat relative to the support is firstly adjusted to enable the axis of the grinding wheel assembly to be parallel to the sliding direction of the grinding wheel shaft seat, and the grinding length of the bar can be changed by adjusting the position of the grinding wheel shaft seat relative to the mounting seat through the length adjusting assembly. The sliding direction of the grinding wheel shaft seat is parallel to the grinding axis of the bar, so that the diameter and the taper of the ground part of the bar cannot be changed when the grinding length is adjusted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram illustrating an assembly of a grinding wheel stand mechanism and a grinding wheel assembly according to an embodiment of the present invention;
FIG. 2 is another angular assembly schematic view of the wheel carriage mechanism and wheel assembly of FIG. 1;
FIG. 3 is a front view of a carriage mechanism provided in an embodiment of the present invention;
FIG. 4 is a left side view of the carriage mechanism of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a top view of the carriage mechanism of FIG. 3;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 8 is an enlarged view of a portion of the carriage mechanism of FIG. 3;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 6;
FIG. 10 is an exploded view of the carriage mechanism and wheel assembly of FIG. 2;
FIG. 11 is an exploded view of the carriage mechanism of FIG. 10;
FIG. 12 is a further exploded view of the carriage mechanism of FIG. 10;
FIG. 13 is another angularly exploded view of the carriage mechanism of FIG. 12.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1 to 5 and 8, an embodiment of the present invention provides a grinding wheel stand mechanism 100 for mounting a grinding wheel assembly 200, wherein the grinding wheel assembly 200 includes a motor 201 and a grinding wheel 202 driven to rotate by the motor 201. The carriage mechanism 100 is suitable for grinding of drill bits or other cylindrical bar stock 1, and is particularly suitable for grinding of PCB micro drill bits. The bar 1 may be arranged in a vertical direction. The grinding wheel frame mechanism 100 comprises a support 10, a mounting seat 20, a grinding wheel shaft seat 30, a taper adjusting assembly 40 and a length adjusting assembly 50. The support 10 serves as a carrier for the components such as the mounting base 20, the grinding wheel spindle base 30, and the like.
The mounting seat 20 is pivoted to the support 10, and the pivoting axis of the mounting seat 20 relative to the support 10 intersects with or is close to the ground part 1a of the bar 1; the grinding wheel shaft seat 30 is longitudinally and slidably mounted on the mounting seat 20, and the grinding wheel shaft seat 30 is used for longitudinally mounting the grinding wheel assembly 200; here, the longitudinal direction may be a vertical direction or a direction slightly inclined by a certain angle. Longitudinally mounted of the grinding wheel assembly 200 means that the axis of the grinding wheel 202 is disposed longitudinally.
The taper adjusting assembly 40 and the length adjusting assembly 50 are integrated together, so that the length adjusting and the taper adjusting have small mutual influence, and can be quickly and accurately adjusted in place. The taper adjusting assembly 40 is used for adjusting the angle of the mounting base 20 relative to the support 10; the length adjustment assembly 50 is used to adjust the position of the grinding wheel axle base 30 relative to the mounting base 20.
When the grinding taper of the bar 1 is to be changed, the angle of the mounting seat 20 relative to the support 10 can be adjusted through the taper adjusting assembly 40, so that the grinding taper of the bar 1 is changed. The pivot axis of the mounting seat 20 intersects with or is close to the ground part 1a of the bar 1, so that the diameter and the length of the ground part 1a of the bar 1 are hardly changed when the grinding taper is changed.
When the grinding length of the bar 1 is to be changed, the angle of the mounting seat 20 relative to the support 10 is adjusted first to enable the axis of the grinding wheel assembly 200 to be parallel to the sliding direction of the grinding wheel shaft seat 30, and the position of the grinding wheel shaft seat 30 relative to the mounting seat 20 is adjusted through the length adjusting assembly 50, so that the grinding length of the bar 1 can be changed. The sliding direction of the grinding wheel shaft seat 30 is parallel to the grinding axis of the bar 1, so that the diameter and the taper of the ground part 1a of the bar 1 do not change when the grinding length is adjusted.
Referring to fig. 9 to 12, in another embodiment of the present invention, the taper adjusting assembly 40 includes a first nut member 41 connected to the mounting base 20 and having a threaded hole 411, a taper adjusting screw 42 passing through the threaded hole 411 of the first nut member 41 and being screwed with the first nut member 41, and an adjusting base 43 for limiting an axial direction of the taper adjusting screw 42, wherein the mounting base 20 rotates relative to the support 10 when the taper adjusting screw 42 is screwed. When the drill bits with different conicities are required to be ground, the mounting seat 20 can be rotated relative to the support 10 by screwing the conicity adjusting screw 42, so that the angle of the grinding wheel assembly 200 relative to the bar 1 is adjusted, the grinding of the drill bits with different conicities is realized, the adjustment operation is convenient, and the condition that the operation is troublesome due to the fact that the existing equipment needs to disassemble the grinding wheel assembly and adjust the angle and then assemble the grinding wheel assembly is avoided.
In another embodiment of the present invention, the mounting base 20 is provided with a placement groove 21 for placing the first nut member 41, and a passing groove 22 for passing the screw portion of the taper adjusting screw 42, and the placement groove 21 communicates with the passing groove 22. The structure is easy to process and assemble. In the process of screwing the taper adjusting screw 42, the nut member is pushed, the mounting seat 20 moves along, and the mounting seat 20 can only rotate relative to the support 10, so that screwing the taper adjusting screw 42 can enable the mounting seat 20 to swing.
In another embodiment of the present invention, the adjusting seat 43 has a limiting arm 431, the head 631 of the taper adjusting screw 42 is provided with a limiting groove 421, and the limiting arm 431 is press-fitted with a sidewall of the limiting groove 421 to define an axial position of the taper adjusting screw 42. The proposal can realize the axial limit of the taper adjusting screw 42, and the taper adjusting screw 42 can only rotate but not axially advance and retreat in the process of screwing the taper adjusting screw 42. Specifically, the limiting arm 431 is U-shaped, and the part of the taper adjusting screw 42 provided with the limiting groove 421 is clamped into the U-shaped groove 432 of the limiting arm 431, so that axial limiting is realized.
Referring to fig. 1, 6 and 12, in another embodiment of the present invention, a bump rod 44 is fixedly connected to the mounting base 20, the bump rod 44 has a pressing surface 44a perpendicular to an axis of the taper adjusting screw 42, the support 10 is provided with a taper adjusting dial indicator 45, and a measuring rod 451 of the taper adjusting dial indicator 45 is pressed against the pressing surface 44a of the bump rod 44. The proposal can accurately display the adjustment quantity, and is convenient for rapidly and accurately adjusting the grinding taper of the bar 1. During the process of rotating the mounting base 20, the bump rod 44 rotates along with the mounting base 20, so that the measuring rod 451 of the taper adjustment dial indicator 45 moves, the reading of the taper adjustment dial indicator 45 can be changed, and the reading can be converted into the grinding taper of the bar 1.
In another embodiment of the invention, the support 10 has a mounting surface 11 perpendicular to the axis of the taper adjusting screw 42, the mounting surface 11 is provided with a positioning pin 46, the positioning pin 46 is connected with the taper adjusting dial indicator 45 through a clamping seat 47, and the axis of the taper adjusting screw 42, the axis of the positioning pin 46 and a measuring rod 451 of the taper adjusting dial indicator 45 are parallel to each other. This solution is easy to assemble. During the process of rotating the mounting base 20, the bump rod 44 rotates along with the mounting base 20, so that the measuring rod 451 of the taper adjustment dial indicator 45 moves, the reading of the taper adjustment dial indicator 45 can be changed, and the reading can be converted into the grinding taper of the bar 1.
In another embodiment of the present invention, the support 10 is a vertical plate, and the bump bar 44 is disposed across the support 10. The scheme is easy to arrange, compact in structure and small in occupied space.
Referring to fig. 3, 9 and 12, in another embodiment of the present invention, the support 10 is provided with an angle scale 12, and the mount 20 is fixed with a first pointer 23 for cooperating with the angle scale 12 to read the rotation angle of the mount 20. The scheme can detect the rotation angle of the mounting seat 20 relative to the support 10, and is convenient for a user to adjust and operate.
In another embodiment of the present invention, the support 10 is fixedly connected with a first swivel base 71, the mounting base 20 is fixedly connected with a second swivel base 72, and the first swivel base 71 and the second swivel base 72 are pivoted by a swivel pin 73. This construction is easy to machine and assemble and allows the mount 20 to be rotatably mounted to the support 10. Specifically, the first swivel base 71 is secured to the support 10 with a fastener, and the second swivel base 72 is secured to the mount 20 with a fastener.
Referring to fig. 5, 12 and 13, in another embodiment of the present invention, the length adjustment assembly 50 includes a second nut member 51 fixedly coupled to the mounting base 20, a length adjustment screw 52 threaded through a threaded hole 511 of the second nut member 51 and threadedly coupled to the second nut member 51, and a bearing 53 for supporting the length adjustment screw 52 to the grinding wheel spindle 30, and the grinding wheel spindle 30 moves longitudinally relative to the mounting base 20 when the length adjustment screw 52 is screwed. The structure is easy to assemble, the length adjusting screw 52 is screwed to be in threaded fit with the second nut piece 51, the second nut piece 51 is fixed on the mounting seat 20, the length adjusting screw 52 drives the grinding wheel shaft seat 30 to move, and therefore the position of the grinding wheel assembly 200 is adjusted, and grinding length adjustment of the bar 1 is achieved. Specifically, the length adjusting screw 52 is fixed with a hand wheel 57, and the length adjusting screw 52 is rotated by screwing the hand wheel 57, so that the operation is convenient.
In another embodiment of the present invention, the mounting base 20 is provided with a dovetail slide rail 26, and the grinding wheel shaft base 30 is provided with a dovetail groove 31 adapted to the dovetail slide rail 26; this construction is easy to machine and assemble, allowing the grinding wheel spindle base 30 to slide only along the length of the dovetail rail 26, and not separate from the mounting base 20.
In another embodiment of the present invention, one side wall of the dovetail rail 26 is provided with a locking bar 32, and the grinding wheel axle seat 30 is provided with a pushing component 33 in a penetrating manner, and the pushing component 33 is used for pushing the locking bar 32 to limit the position of the grinding wheel axle seat 30 relative to the mounting seat 20. After the position of the grinding wheel shaft seat 30 relative to the mounting seat 20 is adjusted, the locking bar 32 is pushed by the pushing component 33, so that the grinding wheel shaft seat 30 is locked on the mounting seat 20, and the reliability of the grinding wheel assembly 200 in working is ensured. Specifically, the ejector assembly 33 may include a fastener 331 and a spring 332, with the end of the fastener 331 pressing against the spring 332, compressing and pushing the spring 332 against the side wall of the locking bar 32, ensuring reliable contact to lock the locking bar 32.
Referring to fig. 2 and 12, in another embodiment of the present invention, the mounting base 20 is provided with a positioning pin 58, the grinding wheel spindle base 30 is provided with a length adjustment dial gauge 54, and a measuring rod 541 of the length adjustment dial gauge 54 abuts against the positioning pin 58. This structure facilitates reading the displacement of the grinding wheel axle seat 30 relative to the mount 20, and facilitates the adjustment of the grinding length by the user.
In another embodiment of the present invention, the second nut member 51 is connected to the dial 55 in a synchronous rotation manner, and the grinding wheel spindle base 30 is fixed with a second pointer 56 for cooperating with the dial 55 to read the rotation angle of the second nut member 51. This solution facilitates the user to read the rotation angle of the length adjustment screw 52, which can be converted into the displacement of the grinding wheel spindle base 30 relative to the mounting base 20, and facilitates the user to adjust the grinding length.
Referring to fig. 1, 5 and 7, in another embodiment of the present invention, the present invention further includes a resilient tensioning assembly 60 for urging the mounting base 20 toward the support 10. The mounting seat 20 can slide stably and reliably relative to the support 10, so that the controllability of the device during angle adjustment is ensured, and the problem that the conventional equipment is easy to slide and the angle position is required to be adjusted again when the angle of the grinding wheel assembly 200 is adjusted, so that the operation is troublesome is avoided.
In another embodiment of the present invention, the elastic tension assembly 60 includes a pad 61 provided at the support 10 away from the mount 20, first and second screws 63 and 64 for synchronously rotating the pad 61 and the mount 20 with respect to the support 10, and an elastic member 65 for sandwiching the support 10 between the pad 61 and the mount 20; the first screw 63 sequentially penetrates through the base plate 61, the support 10 and the mounting seat 20, and the first screw 63 is in threaded connection fit with the mounting seat 20; the second screw 64 sequentially penetrates through the base plate 61, the support 10 and the mounting seat 20, and the second screw 64 is in threaded connection and matched with the mounting seat 20. When a drill bit with a preset taper is ready to be ground, the angle of the mounting seat 20 relative to the support seat 10 is adjusted, namely, the angle of the grinding wheel assembly 200 relative to the bar 1 can be adjusted, the elastic piece 65 clamps the support seat 10 between the base plate 61 and the mounting seat 20, the component mounting gap is eliminated, the mounting seat 20 slides stably and reliably relative to the support seat 10, and the controllability of the device during angle adjustment is ensured.
Referring to fig. 11 and 12, in another embodiment of the present invention, the pad 61 is provided with a first via 611 and a second via 612. The support 10 is provided with a first arc hole 13 and a second arc hole 14, and arc tracks of the first arc hole 13 and the second arc hole 14 are centered on a pivot axis of the mounting seat 20. The mounting seat 20 is provided with a first screw hole 24 and a second screw hole 25. The first screw 63 passes through the first through hole 611, the first arc-shaped hole 13 and the first screw hole 24, and the second screw 64 passes through the second through hole 612, the second arc-shaped hole 14 and the second screw hole 25, so that the backing plate 61 and the mounting seat 20 can synchronously rotate relative to the support 10.
In another embodiment of the present invention, the wear-resistant members 62 are respectively disposed between the pad 61 and the support 10, and between the mount 20 and the support 10. The wear-resistant piece 62 between the base plate 61 and the support 10 and between the mounting seat 20 and the support 10 can improve the friction force between the components, so that the base plate 61 and the mounting seat 20 can slide stably and reliably relative to the support 10, the controllability of the device during angle adjustment is ensured,
in another embodiment of the invention, the wear member 62 is cylindrical and the wear member 62 has a wear surface 621 for pressing against the mount 20 or the backing plate 61. The structure is easy to mold and assemble, and can improve the friction force between the parts. Specifically, the friction structure can be made of copper or copper alloy, and the wear-resisting effect is good.
In another embodiment of the present invention, the support 10 is provided with a mounting hole 15, and the wear member 62 is inserted into the mounting hole 15. The structure is easy to process and assemble.
In another embodiment of the invention, wear member 62 has a limit lip 622 that abuts the surface of support 10. The structure is easy to process and assemble, and axial limiting of the wear-resistant piece 62 can be achieved.
In another embodiment of the present invention, the number of wear members 62 between the backing plate 61 and the support 10 is at least two, and the number of wear members 62 between the mount 20 and the support 10 is at least two. Sufficient wear members 62 are provided to allow the pad 61 and mount 20 to slide smoothly and reliably relative to the support 10.
Referring to fig. 5 and 7, in another embodiment of the present invention, the elastic tightening assembly 60 further includes a pressing seat 66 having a mounting groove 661, the elastic member 65 is disposed in the mounting groove 661, the first screw 63 sequentially penetrates through the elastic member 65, the pressing seat 66 and the pad 61, and two ends of the elastic member 65 respectively press against the head 631 of the first screw 63 and the bottom surface of the mounting groove 661 of the pressing seat 66 so that the pressing seat 66 presses against the pad 61. The structure is easy to assemble. The pressing seat 66 has a through hole 662 communicating with the mounting groove 661 for the first screw 63 to pass through. After the first screw 63 is screwed and locked, the elastic member 65 is kept in a compressed state, the elastic member 65 pushes the pressing seat 66, and the pressing seat 66 pushes the pad 61, so that the support 10 is reliably clamped between the pad 61 and the mount 20. And when the angle of the mounting base 20 relative to the support 10 is adjusted, the mounting base 20 is ensured to stably slide. The pressing seat 66 can limit the radial direction of the elastic member 65, so that the elastic member 65 is prevented from being deformed after multiple uses and cannot be kept in a compressed state. Specifically, the elastic member 65 is a plurality of disc springs arranged in a stacked manner, and the compressed disc springs can provide a sufficient elastic force.
In another embodiment of the present invention, the present invention further includes a washer 67 sleeved on the second screw 64 and located between the support 10 and the mounting base 20, and an elastic piece 68 sandwiched between the washer 67 and the mounting base 20. After the position of the mounting seat 20 is adjusted, the second screw 64 is in threaded connection with the mounting seat 20 so as to be locked on the mounting seat 20, the second screw 64 pushes the gasket 67, the elastic piece 68 is pressed on the mounting seat 20, the support 10 is clamped between the base plate 61 and the mounting seat 20 rapidly and reliably, and the stability and reliability of the whole mechanism are guaranteed. After the second screw 64 is tightened to the mount 20, the mount 20 will be secured to the mount 10 against movement in preparation for the grinding process. Specifically, one surface of the washer 67 is pushed by the stepped wall of the second screw 64, and the elastic piece 68 is sandwiched between the washer 67 and the mount 20.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The carriage mechanism, its characterized in that includes:
a support;
the mounting seat is pivoted to the support, and the mounting seat is intersected with or close to the ground part of the bar relative to the pivot axis of the support;
the grinding wheel shaft seat is longitudinally and slidably arranged on the mounting seat and is used for longitudinally mounting the grinding wheel assembly;
the taper adjusting assembly is used for adjusting the angle of the mounting seat relative to the support; and
a length adjustment assembly for adjusting the position of the grinding wheel spindle base relative to the mounting base;
the taper adjusting assembly comprises a first nut piece, a taper adjusting screw and an adjusting seat, wherein the first nut piece is connected to the mounting seat and is provided with a threaded hole, the taper adjusting screw passes through the threaded hole of the first nut piece and is in threaded connection with the first nut piece, the adjusting seat is used for limiting the axial direction of the taper adjusting screw, and the mounting seat rotates relative to the support when the taper adjusting screw is screwed;
the mounting seat is fixedly connected with a touch rod, the touch rod is provided with a pressing surface perpendicular to the axis of the taper adjusting screw, the support is provided with a taper adjusting dial indicator, and the measuring rod of the taper adjusting dial indicator is pressed against the pressing surface of the touch rod;
the support is provided with an angle scale, and the mounting seat is fixed with a first pointer which is matched with the angle scale to read the corner of the mounting seat;
the length adjusting assembly comprises a second nut piece fixedly connected to the mounting seat, a length adjusting screw penetrating through a threaded hole of the second nut piece and in threaded connection with the second nut piece, and a bearing for supporting the length adjusting screw on the grinding wheel shaft seat, and the grinding wheel shaft seat moves longitudinally relative to the mounting seat when the length adjusting screw is screwed.
2. The wheel carrier mechanism of claim 1, wherein said mounting base is provided with a placement groove for placing said first nut member and a passing groove for passing a screw portion of said taper adjusting screw therethrough, said placement groove being in communication with said passing groove.
3. The grinding carriage mechanism of claim 1, wherein the mounting seat is provided with a dovetail slide rail, and the grinding carriage shaft seat is provided with a dovetail groove matched with the dovetail slide rail; one side wall of the dovetail sliding rail is provided with a locking strip, the grinding wheel shaft seat is penetrated with a push assembly, and the push assembly is used for pushing the locking strip to limit the position of the grinding wheel shaft seat relative to the mounting seat.
4. The grinding wheel carrier mechanism as claimed in claim 1, wherein the mounting seat is provided with a locating pin, the grinding wheel axle seat is provided with a length adjustment dial indicator, and a measuring rod of the length adjustment dial indicator is pressed against the locating pin;
and/or the second nut member is connected with a dial in a synchronous rotation manner, and the grinding wheel shaft seat is fixed with a second pointer which is used for being matched with the dial to read the rotation angle of the second nut member.
5. The wheel carriage mechanism of any one of claims 1 to 4, further comprising a resilient tensioning assembly for urging said mounting block toward said support.
6. The wheel carriage mechanism of claim 5, wherein said elastic tensioning assembly comprises a backing plate disposed on said support opposite said mounting base, first and second screws for synchronizing rotation of said backing plate and said mounting base relative to said support, and an elastic member for sandwiching said support between said backing plate and said mounting base; the first screw penetrates through the base plate, the support and the mounting seat in sequence, and is in threaded connection fit with the mounting seat; the second screw penetrates through the base plate, the support and the mounting seat in sequence, and the second screw is in threaded connection fit with the mounting seat.
7. The wheel carriage mechanism of claim 6, wherein said elastic tensioning assembly further comprises wear members disposed between said backing plate and said support, and between said mounting block and said support, respectively;
and/or, the elastic tensioning assembly further comprises a compression seat with a mounting groove, the elastic piece is arranged in the mounting groove, the first screw sequentially penetrates through the elastic piece, the compression seat and the base plate, and two ends of the elastic piece are respectively propped against the head of the first screw and the bottom surface of the mounting groove of the compression seat so that the compression seat is propped against the base plate.
8. The wheel carriage mechanism of any one of claims 1 to 4, wherein the adjustment seat has a stop arm, the head of the taper adjustment screw defines a stop slot, and the stop arm is press-fit with a sidewall of the stop slot to define an axial position of the taper adjustment screw.
9. The wheel carrier mechanism of any one of claims 1 to 4, wherein the support has an assembly surface perpendicular to the axis of the taper adjustment screw, the assembly surface is provided with a positioning pin, the positioning pin is connected with the taper adjustment dial gauge through a clamping seat, and the axis of the taper adjustment screw, the axis of the positioning pin and a measuring rod of the taper adjustment dial gauge are parallel to each other.
10. The wheel stand mechanism of any one of claims 1 to 4, wherein the support is fixedly connected with a first swivel mount, the mounting base is fixedly connected with a second swivel mount, and the first swivel mount and the second swivel mount are pivoted by a swivel pin.
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