CN218136821U

CN218136821U - Bar grinding mechanism

Info

Publication number: CN218136821U
Application number: CN202222315291.6U
Authority: CN
Inventors: 陈勇; 黄林森; 黄荣振
Original assignee: Dongguan Fanyu Automation Technology Co ltd
Current assignee: Dongguan Fanyu Automation Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-27
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of PCB cutter processing, in particular to a bar grinding mechanism, which comprises a hollow support, a first mounting component, a bar positioning mechanism, a frame type slide seat, a second mounting component, a grinding wheel mechanism, a linear driving transmission mechanism and a connecting block connected with the output end of the linear driving transmission mechanism; the linear driving transmission mechanism is arranged in the inner cavity of the hollow support, when the linear driving transmission mechanism is used, the linear driving transmission mechanism drives the connecting block to move linearly, the connecting block drives the second mounting assembly which is connected with the frame type sliding seat in a sliding mode to move linearly, the grinding wheel mechanism is made to approach the direction of the bar positioning mechanism, the occupied area of the bar grinding mechanism is reduced, and the whole occupied area and the production cost of the bar grinding mechanism after being applied to a PCB cutter one-step forming machining center are favorably improved.

Description

Bar grinding mechanism

Technical Field

The utility model relates to a PCB cutter processing technology field, concretely relates to bar grinding mechanism.

Background

In the prior art, bar processing (e.g., PCB tool processing) with a small diameter generally requires a chuck to clamp the bar, a motor drives the chuck to rotate, so as to drive a tool to rotate, and then an external grinding wheel is used to process the bar. The existing mechanism generally adopts a back-pull type elastic chuck to clamp the bar, the chuck needs to be clamped by the pulling force of a pull rod, the outer diameter of the bar is difficult to keep consistent with the shaft core of the working head when the bar rotates, and although the grinding amount of the technology is large, the coaxiality, the diameter and the roundness of the processed bar handle and the processed bar outer diameter are difficult to meet the requirements.

The prior application No. CN202220684155.1 is a bar grinding mechanism, which adopts a grinding wheel mechanism and a bar positioning mechanism to cooperate to solve the above problems, but the grinding wheel mechanism adopts an X-axis driving mechanism which is relatively protruded, and if the grinding wheel mechanism is assembled in a PCB cutter one-step forming machining center, the whole area occupied by the machining center and the production cost are increased.

Disclosure of Invention

In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a bar grinding mechanism.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a bar grinding mechanism, includes the cavity support, connect in the first installation component of cavity support one end, the bar positioning mechanism who is connected with first installation component, connect in the frame-type slide of the cavity support other end, with frame-type slide sliding connection's second installation component, the emery wheel mechanism who is connected with the second installation component, connect in the sharp drive transmission mechanism of the inner chamber of cavity support and the connecting block of being connected with sharp drive transmission mechanism's output, the connecting block runs through the cavity support and with the bottom of second installation component is connected.

Preferably, the linear driving transmission mechanism comprises a ball screw, an installation block connected to the inner cavity of the hollow support, a servo motor fixedly connected to one end of the installation block, and a bearing seat connected to the other end of the installation block, a screw of the ball screw penetrates through the bearing seat and is in transmission connection with an output end of the servo motor, and a nut seat of the ball screw penetrates through the connection block and is fixedly connected to the connection block.

Preferably, the frame-type sliding base is connected with the second mounting assembly in a sliding mode through a cross guide rail, a fixed rail of the cross guide rail is connected with the inner wall of the frame-type sliding base, and a moving rail of the cross guide rail is connected with the second mounting assembly.

Preferably, first installation component including connect in the first mount pad of cavity support one end, connect in the forked tail slip table of first mount pad, connect in the first percentage table mounting of the forked tail slider of forked tail slip table, with the first percentage table body that the first percentage table mounting is connected and be connected with the forked tail slide of forked tail slip table and lean on the first locating piece that leans on the thimble in the first percentage table body, the forked tail slider and the bar positioning mechanism fixed connection of forked tail slip table.

Preferably, the second installation component include with connecting block fixed connection and with frame-type slide sliding connection's sliding support, connect in sliding support's second mount pad, through slide rail sliding connection in the Y axial of second mount pad adjust the seat, connect in the second percentage table mounting of second mount pad one side, the second percentage table body of being connected with the second percentage table mounting, and be used for adjusting the Y axial of the sliding displacement who the seat was adjusted to the Y axial adjust the portion, the thimble of second percentage table body supports and leans on in one side of Y axial adjust the seat.

Preferably, one side of the second mounting seat is provided with a first screw hole, and the Y-axis adjusting part comprises a transmission block connected with one side of the Y-axis adjusting seat and a hand-screwed screw rod penetrating through the transmission block and in threaded connection with the first screw hole of the second mounting seat; when the hand-screwing screw rod is screwed to move along the Y axial direction, the transmission block synchronously moves along the Y axial direction.

Preferably, the second mounting assembly further comprises a theta axial adjusting seat connected to the Y axial adjusting seat, a rotating shaft inserted into one end angle of the theta axial adjusting seat and rotatably connected to the Y axial adjusting seat, a third dial indicator fixing part connected to the Y axial adjusting seat, a third dial indicator body connected to the third dial indicator fixing part, and a theta axial adjusting part for adjusting the angular displacement of the theta axial adjusting seat, wherein the thimble of the third dial indicator body abuts against one end angle of the theta axial adjusting seat, which is far away from the rotating shaft, and the theta axial adjusting seat is connected with the grinding wheel mechanism.

Preferably, the theta axial direction adjusting part comprises a bolt and a fixing block connected with the Y axial direction adjusting seat, the fixing block is provided with a second screw hole, and a thread end thread of the bolt penetrates through the second screw hole and abuts against an end angle of the theta axial direction adjusting seat far away from the rotating shaft.

The beneficial effects of the utility model reside in that: the utility model discloses a bar grinding mechanism, adopt the first installation component of cavity support collocation, frame-type slide and second installation component, install grinding wheel mechanism and bar positioning mechanism in the top of cavity support, install the inner chamber at the cavity support with linear drive mechanism, during the use, linear drive mechanism drives connecting block linear movement, the connecting block drives the second installation component linear movement with frame-type slide sliding connection, and then make grinding wheel mechanism be close to bar positioning mechanism's direction, the area of bar grinding mechanism has been reduced, and then be favorable to improving whole area and manufacturing cost behind this bar grinding mechanism is applied to PCB cutter one shot forming machining center.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

FIG. 3 is a schematic view of the partially exploded structure of the present invention;

fig. 4 is a partially exploded view of the second mounting assembly of the present invention.

The reference signs are: 1. a hollow support; 2. a bar positioning mechanism; 3. a grinding wheel mechanism; 4. a first mounting assembly; 41. a first mounting seat; 42. a dovetail sliding table; 43. a first dial indicator fixture; 44. a first dial indicator body; 45. a first positioning block; 5. a frame-type slide carriage; 6. a second mounting assembly; 61. a sliding support; 62. a second mounting seat; 63. a slide rail; 64. a Y-axis adjusting seat; 65. a second dial indicator fixing piece; 66. a second dial indicator body; 67. a Y-axis adjusting part; 671. a transmission block; 672. screwing the screw rod by hand; 68. a theta axial adjustment seat; 69. a rotating shaft; 610. a third dial indicator fixing piece; 611. a third dial indicator body; 612. a theta axis direction adjusting portion; 6121. a bolt; 6122. a fixed block; 7. a linear drive transmission mechanism; 71. a ball screw; 72. mounting blocks; 73. a servo motor; 74. a bearing seat; 8. connecting blocks; 9. a cross guide rail; 10. a first screw hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 4, a bar grinding mechanism includes a hollow support 1, a first mounting assembly 4 connected to one end of the hollow support 1, a bar positioning mechanism 2 connected to the first mounting assembly 4, a frame-type sliding base 5 connected to the other end of the hollow support 1, a second mounting assembly 6 slidably connected to the frame-type sliding base 5, a grinding wheel mechanism 3 connected to the second mounting assembly 6, a linear driving transmission mechanism 7 connected to an inner cavity of the hollow support 1, and a connecting block 8 connected to an output end of the linear driving transmission mechanism 7, wherein the connecting block 8 penetrates through the hollow support 1 and is connected to a bottom of the second mounting assembly 6.

This bar grinding machine constructs, adopt the first installation component 4 of cavity support 1 collocation, frame-type slide 5 and second installation component 6, install grinding wheel mechanism 3 and bar positioning mechanism 2 in the top of cavity support 1, install linear drive mechanism 7 in the inner chamber of cavity support 1, during the use, linear drive mechanism 7 drives 8 rectilinear movement of connecting block, connecting block 8 drives 6 rectilinear movement of second installation component with frame-type slide 5 sliding connection, and then make grinding wheel mechanism 3 be close to bar positioning mechanism 2's direction, the area of occupation of land of bar grinding machine structure has been reduced, and then be favorable to improving whole area and manufacturing cost behind this bar grinding machine structure is applied to PCB cutter one shot forming machining center.

In this embodiment, the linear driving transmission mechanism 7 includes a ball screw 71, a mounting block 72 connected to the inner cavity of the hollow support 1, a servo motor 73 fixedly connected to one end of the mounting block 72, and a bearing seat 74 connected to the other end of the mounting block 72, wherein a screw of the ball screw 71 penetrates through the bearing seat 74 and is in transmission connection with an output end of the servo motor 73, and a nut seat of the ball screw 71 penetrates through the connecting block 8 and is fixedly connected to the connecting block 8.

By adopting the technical scheme, when the grinding wheel device is used, the servo motor 73 drives the screw rod of the ball screw 71 to rotate, the screw rod rotates to drive the nut seat and the connecting block 8 fixedly connected with the nut seat to move linearly, the connecting block 8 drives the second mounting component 6 connected with the frame type sliding seat 5 in a sliding mode to move linearly, and then the grinding wheel mechanism 3 is enabled to approach to the direction of the bar positioning mechanism 2.

In this embodiment, the frame-type sliding base 5 is slidably connected to the second mounting assembly 6 through a cross rail 9, a fixed rail of the cross rail 9 is connected to an inner wall of the frame-type sliding base 5, and a moving rail of the cross rail 9 is connected to the second mounting assembly 6.

Adopt above-mentioned technical scheme to sliding connection is realized with second installation component 6 to frame-type slide 5, and space utilization is higher.

In this embodiment, the first mounting assembly 4 includes a first mounting seat 41 connected to one end of the hollow support 1, a dovetail sliding table 42 connected to the first mounting seat 41, a first dial indicator fixture 43 connected to a dovetail sliding block of the dovetail sliding table 42, a first dial indicator body 44 connected to the first dial indicator fixture 43, and a first positioning block 45 connected to a dovetail sliding block of the dovetail sliding table 42 and abutting against an ejector pin of the first dial indicator body 44, wherein the dovetail sliding block of the dovetail sliding table 42 is fixedly connected to the bar stock positioning mechanism 2.

Adopt above-mentioned technical scheme, manual regulation forked tail slip table 42 makes forked tail slider back-and-forth movement of forked tail slip table 42, drives the back-and-forth movement of bar positioning mechanism 2, utilizes first percentage table body 44 to read the back-and-forth displacement volume of forked tail slider to position when adjustment 3 contact bars of grinding wheel mechanism, so that the machining length of more accurate control bar.

In this embodiment, the second mounting assembly 6 includes a sliding support 61 fixedly connected to the connecting block 8 and slidably connected to the frame-type sliding seat 5, a second mounting seat 62 connected to the sliding support 61, a Y-axis adjusting seat 64 slidably connected to the second mounting seat 62 through a sliding rail 63, a second dial indicator fixing part 65 connected to one side of the second mounting seat 62, a second dial indicator body 66 connected to the second dial indicator fixing part 65, and a Y-axis adjusting portion 67 for adjusting the sliding displacement of the Y-axis adjusting seat 64, and an ejector pin of the second dial indicator body 66 abuts against one side of the Y-axis adjusting seat 64.

By adopting the technical scheme, when the Y-axis adjusting mechanism is used, the Y-axis adjusting part 67 is adjusted to enable the Y-axis adjusting seat 64 to move along the Y-axis direction, the Y-axis adjusting seat 64 drives the grinding wheel mechanism 3 to move back and forth, and the front and back displacement of the Y-axis adjusting seat 64 is read by utilizing the second dial indicator body 66 so as to adjust the front and back displacement of the grinding wheel mechanism 3 more accurately.

In this embodiment, a first screw hole 10 is opened at one side of the second mounting seat 62, and the Y-axis adjusting portion 67 includes a transmission block 671 connected to one side of the Y-axis adjusting seat 64, and a hand screw 672 penetrating through the transmission block 671 and threadedly connected to the first screw hole 10 of the second mounting seat 62; when the hand screw 672 is screwed to move in the Y axial direction, the transmission block 671 moves in the Y axial direction in synchronization.

Adopt above-mentioned technical scheme, during the use, twist manual screw rod 672, twist screw rod 672 and first screw 10's screw-thread fit effect under the hand, hand is twisted screw rod 672 and is driven the transmission block 671 and is removed along Y axial direction, and the transmission block 671 drives Y axial adjustment seat 64 and realizes that Y axial adjustment seat 64 slides along Y axial direction.

In this embodiment, the second mounting assembly 6 further includes a θ axial adjusting seat 68 connected to the Y axial adjusting seat 64, a rotating shaft 69 inserted into one end of the θ axial adjusting seat 68 and rotationally connected to the Y axial adjusting seat 64, a third dial indicator fixing member 610 connected to the Y axial adjusting seat 64, a third dial indicator body 611 connected to the third dial indicator fixing member 610, and a θ axial adjusting portion 612 for adjusting an angular displacement of the θ axial adjusting seat 68, wherein a thimble of the third dial indicator body 611 abuts against one end of the θ axial adjusting seat 68 far from the rotating shaft 69, and the θ axial adjusting seat 68 is connected to the grinding wheel mechanism 3.

By adopting the technical scheme, when the grinding wheel mechanism is used, the theta axial adjusting part 612 is adjusted, the theta axial adjusting seat 68 rotates along the theta axial direction, the theta axial adjusting seat 68 drives the grinding wheel mechanism 3 to synchronously rotate, and the third dial indicator body 611 is used for reading the rotation offset of the theta axial adjusting seat 68, so that the rotation offset of the grinding wheel mechanism 3 can be accurately adjusted.

In this embodiment, the θ axial adjusting portion 612 includes a bolt 6121 and a fixing block 6122 connected to the Y axial adjusting seat 64, the fixing block 6122 is provided with a second screw hole, and a thread end of the bolt 6121 is threaded through the second screw hole and abuts against an end angle of the θ axial adjusting seat 68 away from the rotating shaft 69.

By adopting the technical scheme, the bolt 6121 is screwed, the tightness of the bolt 6121 is adjusted, then the theta axial adjusting seat 68 is rotated, and the theta axial adjusting seat 68 drives the grinding wheel mechanism 3 to adjust the rotation offset of the grinding wheel mechanism 3.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. The utility model provides a bar grinding mechanism which characterized in that: including the cavity support, connect in the first installation component of cavity support one end, the bar positioning mechanism who is connected with first installation component, connect in the frame-type slide of the cavity support other end, with frame-type slide sliding connection's second installation component, the emery wheel mechanism who is connected with second installation component, connect in the linear drive mechanism of the inner chamber of cavity support and the connecting block of being connected with linear drive mechanism's output, the connecting block runs through the cavity support and with the bottom of second installation component is connected.

2. A bar grinding mechanism according to claim 1, wherein: the linear driving transmission mechanism comprises a ball screw, an installation block connected to the inner cavity of the hollow support, a servo motor fixedly connected with one end of the installation block, and a bearing seat connected with the other end of the installation block, a screw of the ball screw penetrates through the bearing seat and is in transmission connection with the output end of the servo motor, and a nut seat of the ball screw penetrates through the connecting block and is fixedly connected with the connecting block.

3. A bar grinding mechanism according to claim 1, wherein: the frame type sliding seat is connected with the second mounting assembly in a sliding mode through a cross guide rail, a fixed rail of the cross guide rail is connected with the inner wall of the frame type sliding seat, and a moving rail of the cross guide rail is connected with the second mounting assembly.

4. A bar grinding mechanism according to claim 1, wherein: first installation component including connect in the first mount pad of cavity support one end, connect in the forked tail slip table of first mount pad, connect in the first percentage table mounting of the forked tail slider of forked tail slip table, the first percentage table body of being connected with first percentage table mounting and be connected with the forked tail slide of forked tail slip table and support the first locating piece that leans on the thimble in first percentage table body, the forked tail slider and the bar positioning mechanism fixed connection of forked tail slip table.

5. A bar grinding mechanism according to claim 1, wherein: the second installation component comprises a sliding support fixedly connected with the connecting block and connected with the frame type sliding seat in a sliding manner, a second installation seat connected with the sliding support, a Y axial adjusting seat connected with the second installation seat in a sliding manner through a sliding rail, a second dial indicator fixing piece connected with one side of the second installation seat, a second dial indicator body connected with the second dial indicator fixing piece, and a Y axial adjusting part used for adjusting the sliding displacement of the Y axial adjusting seat, wherein the thimble of the second dial indicator body is abutted against one side of the Y axial adjusting seat.

6. A bar grinding mechanism according to claim 5, wherein: one side of the second mounting seat is provided with a first screw hole, and the Y-axis adjusting part comprises a transmission block connected with one side of the Y-axis adjusting seat and a hand-screwed screw rod which penetrates through the transmission block and is in threaded connection with the first screw hole of the second mounting seat; when the hand-screwing screw rod is screwed to move along the Y axial direction, the transmission block synchronously moves along the Y axial direction.

7. A bar grinding mechanism according to claim 5, wherein: the second mounting assembly further comprises a theta axial adjusting seat connected with the Y axial adjusting seat, a rotating shaft inserted in one end angle of the theta axial adjusting seat and rotatably connected with the Y axial adjusting seat, a third dial indicator fixing part connected with the Y axial adjusting seat, a third dial indicator body connected with the third dial indicator fixing part, and a theta axial adjusting part used for adjusting the angular displacement of the theta axial adjusting seat, wherein an ejector pin of the third dial indicator body abuts against one end angle, far away from the rotating shaft, of the theta axial adjusting seat, and the theta axial adjusting seat is connected with a grinding wheel mechanism.

8. The bar grinding mechanism according to claim 7, wherein: the theta axial adjustment portion includes the bolt and with the fixed block that Y axial adjustment seat is connected, the second screw has been seted up to the fixed block, the screw end screw thread of bolt wears to locate the second screw and supports to lean on in an end angle that the pivot was kept away from to theta axial adjustment seat.