CN115464506B

CN115464506B - Suction plate grinding device of printing machine

Info

Publication number: CN115464506B
Application number: CN202211107831.XA
Authority: CN
Inventors: 莫永祺
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-08-29
Anticipated expiration: 2042-09-13
Also published as: CN115464506A

Abstract

The application discloses a grinding device for an air suction plate of a printing machine, and relates to the technical field of production of parts of the printing machine, comprising a frame, wherein the frame is provided with a moving assembly, a clamping assembly and a grinding assembly; the moving assembly comprises a first platform which is connected with the frame in a sliding way and a second platform which is connected with the first platform in a sliding way; the clamping assembly comprises a clamping seat, a positioning plate and a clamping driving piece, wherein the clamping seat, the positioning plate and the clamping plate are arranged on the second platform, and the clamping driving piece is arranged on the clamping seat and used for driving the clamping plate to approach the positioning plate to clamp a workpiece; the grinding assembly is located one side of the clamping assembly away from the moving assembly, and comprises a grinding seat, a tool apron and a grinding driving piece arranged on the grinding seat and used for driving the tool apron to rotate. The workpiece is clamped through the clamping assembly, and the workpiece is machined by matching with the moving assembly and the grinding assembly, so that the workpiece is ground more conveniently. The positioning assembly and the cleaning assembly are arranged, so that the batch production precision is higher and more stable, the scrapping of workpieces is reduced, and the device is more environment-friendly and energy-saving.

Description

Suction plate grinding device of printing machine

Technical Field

The application relates to the technical field of production of parts of a printing machine, in particular to a grinding device for an air suction plate of the printing machine.

Background

The air suction plate is a component of a printing machine, and referring to fig. 5, the conventional air suction plate comprises a plate body 16 and raised strips 17 which are arranged at two ends of the plate body 16 in a one-to-one correspondence manner, one end face of the plate body 16 in the width direction is flush with the corresponding side wall of the raised strips 17, and the plate body 17 is further provided with two fixing holes 18 along the thickness direction.

During actual production, blanking is realized through milling, an arc surface is formed between the raised line and the wide side wall of the plate body due to the diameter of the cutter, but in actual application, the raised line is required to be in a right angle with the wide side wall of the plate body, so that a workpiece is required to be further ground, and a device for grinding the right angle between the raised line and the plate body is designed.

Disclosure of Invention

The application provides a grinding device for a suction plate of a printing machine, which aims to realize the right-angle grinding between a convex strip and a plate body of the suction plate.

The application provides a grinding device for an air suction plate of a printing machine, which adopts the following technical scheme:

the grinding device for the suction plate of the printing machine comprises a frame, wherein the frame is provided with a moving assembly, a clamping assembly and a grinding assembly;

the moving assembly comprises a first platform connected with the rack in a sliding manner and a second platform connected with the first platform in a sliding manner, and the sliding direction of the first platform is perpendicular to the sliding direction of the second platform;

the clamping assembly comprises a clamping seat arranged on the second platform, a positioning plate arranged on the clamping seat, a clamping plate connected to the clamping seat in a sliding manner, and a clamping driving piece arranged on the clamping seat and used for driving the clamping plate to be close to the positioning plate so as to clamp a workpiece;

the grinding assembly is positioned at one side of the clamping assembly far away from the moving assembly and comprises a grinding seat connected with the frame in a sliding manner, a tool apron connected with the grinding seat in a rotating manner and a grinding driving piece arranged on the grinding seat and used for driving the tool apron to rotate; the tool apron is used for installing a tool, the sliding direction of the grinding seat is perpendicular to the sliding direction of the first platform and the sliding direction of the second platform, and the sliding direction of the grinding seat is parallel to the rotation axis of the tool apron;

the rotating axis of the tool apron is perpendicular to the end face of the clamped workpiece in the width direction, and the sliding direction of the grinding seat moves towards the clamped workpiece so that the tool grinds the arc surface between the raised strips and the plate body of the workpiece.

Through the technical scheme, when the workpiece is required to be ground, the workpiece is placed between the clamping plate and the positioning plate, the clamping assembly is protruded from the to-be-ground part of the workpiece, then the corresponding cutter is mounted to the cutter holder, the grinding driving piece drives the cutter holder to rotate, the position of the workpiece is adjusted by moving the first platform and the second platform, the to-be-ground part of the workpiece is located at the cutter machining part, then the grinding seat moves close to the second platform to enable the cutter to be close to the to-be-ground part, and finally the movement of the workpiece relative to the cutter is achieved by moving the first platform and the second platform to enable the arc surface between the convex strips and the plate body of the workpiece to be ground to be right angles. The workpiece is clamped through the clamping assembly, and the workpiece is machined by matching with the moving assembly and the grinding assembly, so that the workpiece is ground more conveniently.

Optionally, the clamping driving piece includes accommodate the lead screw and handle, accommodate the lead screw with the grip slipper rotates to be connected and with grip block threaded connection, the handle set up in accommodate the lead screw is used for driving accommodate the lead screw and rotates.

Through above-mentioned technical scheme, drive accommodate the lead screw through the handle and rotate the regulation that realizes the grip block position in order to press from both sides tight work piece for the regulation of grip block is more convenient.

Optionally, the second platform still is equipped with the mount table, the terminal surface that the mount table kept away from the second platform is equipped with location portion, the mount table up end still is equipped with the screw hole, the screw hole is equipped with two, two the screw hole sets up to the work piece support and lean on behind the location portion one-to-one supplies the bolt threaded connection that passes the work piece fixed orifices in order to fix the work piece.

Through the technical scheme, the workpiece is propped against the positioning part to form positioning, then the workpiece is further fixed through the fixing hole of the workpiece, and then the end face of the workpiece far away from the positioning part can be ground by the grinding component, so that the side wall of the workpiece is finely ground, and each size precision of the workpiece is better.

Optionally, the grinding seat is further provided with an oil guide pipe, one end of the oil guide pipe is an oil outlet, the oil outlet is used for spraying cutting oil towards the cutter of the tool apron, and the other end of the oil guide pipe is used for being communicated to an oil pump.

Through the technical scheme, the cutting oil is pumped to the oil outlet through the oil pump to be sprayed out, so that the cutter is cooled and lubricated, and the grinding operation is more stable.

Optionally, the end face of the positioning plate, which is close to the clamping plate, is provided with a positioning column, and the positioning column is used for being embedded into the workpiece fixing hole so that the workpiece can rotate around the positioning column;

the second platform still is equipped with locating component, locating component including set up in the locating seat of second platform, slide connect in the correcting piece of locating seat and regulation the regulating part that the correcting piece slided, the correcting piece is close to clamping component's one end is the correction face, the correction face is on a parallel with the axis of rotation of blade holder, the correction face is used for leaning on the terminal surface that the plate body was kept away from to the work piece sand grip so that the plate body be equipped with the terminal surface of sand grip with the axis of rotation of blade holder is parallel.

Through above-mentioned technical scheme, when the work piece is by the centre gripping location, at first fix a position through reference column embedding one of them fixed orifices, then make the plate body of work piece be equipped with the terminal surface of sand grip and the axis of rotation of blade holder parallel through the sand grip of correcting face abutment work piece, then remove further with the work piece clamp through the grip block and realize fixing. The clamping of the workpiece is positioned through correction, so that the right-angle machining precision between the raised strips and the plate body is better.

Optionally, the adjusting piece includes threaded connection in the locating seat and with the adjusting screw of correction piece swivelling joint, adjusting screw's axis with the direction of sliding of correction piece is parallel.

Through above-mentioned technical scheme, realize the removal of correction piece through adjusting screw rotation, make things convenient for the regulation and the locking of correction piece.

Optionally, an installation cavity is arranged in the positioning seat, and the installation cavity penetrates through the correction block; the correction block is equipped with clean subassembly, clean subassembly is including setting up in the air duct of correction block, setting up in air duct one end and towards the nozzle of correction face, set up in the installation cavity and with the air duct keeps away from the elastic air bag of nozzle one end intercommunication and sets up in the stripper plate of correction block, the stripper plate is located the installation cavity, and when the correction block is close to the clamping assembly, the stripper plate is used for the extrusion elastic air bag makes the nozzle jet-propelled clean the correction face.

Through the technical scheme, the cleaning assembly is arranged, when the workpiece is machined, the correction block moves towards the direction away from the workpiece, then the machined workpiece is detached from the clamping assembly, and a new workpiece to be machined is replaced so as to be machined next time. When the correction block is used for positioning a new workpiece to be processed, the extrusion plate extrudes the elastic air bag in the process that the correction block moves close to the workpiece, so that the nozzle jets air to clean the correction surface of the correction block, when the correction surface of the correction block is used for positioning the new workpiece to be processed, the situation that the positioning accuracy is affected due to the fact that the correction surface is left with scraps processed last time is reduced, and the mass production accuracy is higher and more stable.

Optionally, the extrusion plate is hinged to the correction block, the hinge axis of the extrusion plate is perpendicular to the sliding direction of the correction block, the positioning seat is provided with a limiting part, the limiting part is located in the mounting cavity, the limiting part is located at one side of the extrusion plate far away from the elastic air bag, the distance from the abutting part of the limiting part and the extrusion plate to the hinge axis of the extrusion plate is a, the distance from the abutting part of the extrusion plate and the elastic air bag to the hinge axis of the extrusion plate is b, and a is smaller than b/5;

when the correction block is far away from the clamping assembly, the limiting part abuts against the extrusion plate, so that one end, far away from the hinge axis of the extrusion plate, of the extrusion plate faces towards the elastic air bag to be overturned so as to extrude the elastic air bag.

Through above-mentioned technical scheme, when the correction piece is close to the work piece of clamping assembly, spacing portion blocks the stripper plate for the one end that the stripper plate kept away from the correction piece is towards the direction upset at clamping assembly place and then extrudees elastic air bag, through a being less than the setting of b/5, makes the short distance removal of correction piece form stronger gasbag compression effect, makes the jet-propelled of nozzle more sufficient.

Optionally, a reset spring is further arranged in the mounting cavity, the reset spring is sleeved on the elastic air bag, and the reset spring abuts against the inner wall of the mounting cavity and the extrusion plate and is positioned between the limiting part and the hinge axis of the extrusion plate; the elastic force of the reset spring abuts against the extrusion plate at the limiting part.

Through the technical scheme, the reset spring is arranged, the elastic air bag is sleeved on the reset spring, and the reset spring can position the elastic air bag, so that the position of the elastic air bag is more stable; and reset spring's elasticity supports tight stripper plate and spacing portion, and reset spring's elasticity acts on the stripper plate, transmits force to the correction piece through spacing portion's force transmission for the correction piece has the trend of keeping away from the clamping component and remove, realizes the correction piece in-process of adjusting, reduces adjusting screw and positioning seat and takes place the condition of axial float, makes the regulation of correction piece more stable.

Optionally, the correction surface is provided with a plurality of abdication grooves, and each abdication groove penetrates through the correction block along the direction of jet of the nozzle.

Through the technical scheme, the clearance groove reduces the interference surface between the correction surface and the workpiece, reduces the influence of sundries on the interference surface on positioning accuracy, and simultaneously the clearance groove runs through the correction block along the direction of nozzle air injection, so that the impurity is guided and cleaned along the clearance groove in the process of nozzle air injection.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) The workpiece is clamped through the clamping assembly, and the workpiece is machined by matching with the moving assembly and the grinding assembly, so that the workpiece is more convenient to grind;

(2) Through setting up locating component and clean assembly, when the correction face of correction piece is to be processed the work piece and is fixed a position newly, clear up the sweeps through clean assembly, reduce the correction face and remain the condition that the sweeps of last processing lead to influencing the positioning accuracy, make the mass production precision higher more stable; the scrap of the workpiece is reduced, the energy consumption of recasting of the waste is reduced, the material utilization rate is improved, and the method is more environment-friendly and energy-saving.

(3) The elastic air bag is sleeved with the reset spring, the reset spring can position the elastic air bag, so that the position of the elastic air bag is more stable, the elastic force of the reset spring abuts against the extrusion plate and the limiting part, in addition, the elastic force of the elastic cavity and the elastic force of the reset spring are acted on the extrusion plate, the axial movement of the adjusting screw and the positioning seat is reduced, and the adjustment of the correction block is more stable;

(4) The interference surface between the correction surface and the workpiece is reduced through the abdication groove, and the influence of sundries on the interference surface on the positioning precision is reduced.

Drawings

FIG. 1 is an overall schematic of an embodiment;

FIG. 2 is a schematic view of a clamping assembly according to an embodiment;

FIG. 3 is a schematic view of a positioning assembly and a cleaning assembly according to an embodiment;

FIG. 4 is a schematic view of a mounting table structure according to an embodiment;

fig. 5 is a schematic view of the structure of a workpiece.

Reference numerals: 1. a frame; 2. a moving assembly; 21. a first platform; 22. a second platform; 3. a clamping assembly; 31. a clamping seat; 32. a positioning plate; 321. positioning columns; 33. a clamping plate; 34. clamping the driving member; 341. adjusting a screw rod; 342. a handle; 4. a positioning assembly; 41. a positioning seat; 411. a mounting cavity; 42. a correction block; 421. correcting the surface; 422. a relief groove; 43. an adjusting member; 431. adjusting a screw; 432. adjusting a motor; 5. a cleaning assembly; 51. an elastic air bag; 52. an air duct; 53. a nozzle; 54. an extrusion plate; 6. a grinding assembly; 61. grinding a seat; 62. a tool apron; 63. grinding the driving member; 7. a first driving assembly; 8. a second driving component; 9. a limit part; 10. a return spring; 11. a third driving component; 12. an oil guide pipe; 13. a mounting table; 14. a positioning part; 15. a threaded hole; 16. a plate body; 17. a convex strip; 18. and a fixing hole.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a grinding device for an air suction plate of a printing machine.

Examples:

referring to fig. 1, a suction plate grinding device of a printing machine comprises a frame 1, a moving assembly 2, a clamping assembly 3, a positioning assembly 4, a cleaning assembly 5 and a grinding assembly 6.

The moving assembly 2 is arranged on the frame 1, the moving assembly 2 comprises a first platform 21 and a second platform 22, the first platform 21 is connected to the frame 1 in a sliding mode along the horizontal direction, the second platform 22 is connected to the upper end face of the first platform 21 in a sliding mode along the horizontal direction, and the sliding direction of the second platform 22 is perpendicular to the sliding direction of the first platform 21. In order to facilitate the movement of the first platform 21 and the second platform 22, the guide rail or the guide rod of the first platform 21 slides relative to the frame 1, the frame 1 is provided with a first driving component 7, the first driving component 7 comprises a first screw rod and a first motor, the first screw rod is rotationally connected with the frame 1 and is in threaded connection with the first platform 21, the axis of the first screw rod is parallel to the sliding direction of the first platform 21, and the first motor drives the first screw rod to rotate so as to drive the first platform 21 to slide. The second platform 22 slides relative to the first platform 21 through the guiding of the corresponding guide rail or guide rod, the first platform 21 is provided with a second driving component 8, the second driving component 8 comprises a second screw rod and a second motor, the second screw rod is rotationally connected with the first platform 21 and is in threaded connection with the second platform 22, the axis of the second screw rod is parallel to the sliding direction of the second platform 22, and the second motor drives the second screw rod to rotate so as to drive the second platform 22 to slide.

Referring to fig. 1 and 2, the clamping assembly 3 is disposed on an upper end surface of the second platform 22, and the clamping assembly 3 includes a clamping seat 31, a positioning plate 32, a clamping plate 33, and a clamping driver 34. The clamping seat 31 is fixed on the second platform 22 through bolts, and the positioning plate 32 is fixedly connected to the upper end surface of the clamping seat 31. The clamping seat 31 is provided with a guide bar, the clamping plate 33 is correspondingly provided with a guide groove for embedding and guiding the guide bar, the clamping plate 33 is slidably connected to the clamping seat 31 along the horizontal direction through the matching of the guide bar and the guide groove, and in the example, the sliding direction of the clamping plate 33 is parallel to the sliding direction of the first platform 21. The clamping driving member 34 includes an adjusting screw 341 and a handle 342, the adjusting screw 341 is rotatably connected with the clamping seat 31 and is in threaded connection with the clamping plate 33, and the handle 342 is fixed at one end of the adjusting screw 341 away from the positioning plate 32.

When the workpiece needs to be clamped, the clamping plate 33 is far away from the positioning plate 32 by rotating the handle 342 to drive the adjusting screw 341 to rotate, the workpiece is placed between the clamping plate 33 and the positioning plate 32, and then the adjusting screw 341 is reversely rotated to enable the clamping plate 33 to move close to the positioning plate 32 and clamp the workpiece.

The end face of the locating plate 32, which is close to the clamping plate 33, is fixed with a locating post 321, the locating post 321 is a cylinder, the axis of the locating post 321 is perpendicular to the end face of the clamping plate 33, which is close to the locating plate 32, and the axial length of the locating post 321 is smaller than or equal to the thickness of a workpiece. In practice, the size of the positioning post 321 may be larger than the thickness of the workpiece, and only the corresponding relief groove 422 needs to be formed on the clamping plate 33. The positioning post 321 is used to fit into the workpiece fixing hole 18 so that the workpiece can rotate around the positioning post 321 when the workpiece needs to be clamped by the clamping assembly 3.

Referring to fig. 2 and 3, the positioning component 4 is disposed on an upper end surface of the second platform 22 and is used for matching with the positioning post 321 to realize accurate positioning of the workpiece. The positioning assembly 4 comprises a positioning seat 41, a correction block 42 and an adjusting piece 43, wherein the positioning seat 41 is fixedly arranged on the upper end surface of the second platform 22, and the positioning seat 41 and the positioning plate 32 are distributed at intervals along the direction perpendicular to the sliding direction of the clamping plate 33. The correction block 42 slides in the horizontal direction based on the upper end surface of the positioning seat 41, and the sliding direction of the correction block 42 is perpendicular to the sliding direction of the clamping plate 33. In order to guide the sliding of the correction block 42, the correction block 42 is integrally formed with a guide block, and the correction seat is provided with a guide groove for sliding of the guide block. The end of the correction block 42 close to the clamping assembly 3 is a correction surface 421, and the correction surface 421 is perpendicular to the sliding direction of the correction block 42 and is vertical. In order to improve the positioning accuracy of the correction surface 421, the correction surface 421 is further provided with a plurality of relief grooves 422, each relief groove 422 is distributed at intervals along the vertical direction, and two ends of each relief groove 422 along the horizontal direction are all penetrated through the correction block 42. By reducing the contact area between the correction surface 421 and the end surface of the protruding strip 17 of the workpiece, the end surface of the workpiece is subjected to the influence of the residual scraps on the positioning accuracy.

The adjusting member 43 includes an adjusting screw 431 screwed to the positioning seat 41 and rotationally connected to the correction block 42, and an adjusting motor 432 mounted to the positioning seat 41 for driving the adjusting screw 431 to rotate, wherein an axis of the adjusting screw 431 is parallel to a sliding direction of the correction block 42. In practical use, the adjusting motor 432 is not required, and the adjusting screw 431 can be manually driven to rotate by an operator.

After the fixing hole 18 of the workpiece is embedded into the positioning post 321, the adjusting screw 431 is rotated to drive the correction block 42 to slide in the direction close to the clamping assembly 3, so that the correction surface 421 abuts against the end surface of the protruding strip 17 of the workpiece far away from the plate 16, and then the end surface of the plate 16 of the workpiece, on which the protruding strip 17 is arranged, is ensured to be perpendicular to the sliding direction of the correction block 42 and to be in a vertical state. The clamping plate 33 is then driven to move to clamp the workpiece.

Referring to fig. 2 and 3, a mounting cavity 411 is further provided in the positioning seat 41, and the mounting cavity 411 penetrates up to the correction block 42. The cleaning assembly 5 comprises an elastic balloon 51, an air duct 52, a nozzle 53 and a squeeze plate 54. The elastic air bag 51 is installed in the installation cavity 411, the nozzle 53 is installed in the correction seat, the nozzle 53 is used for spraying air towards the correction surface 421, and the air spraying direction of the nozzle 53 is along the penetrating direction of each yielding groove 422. The air duct 52 is a flexible tube, and one end of the air duct 52 is communicated with the elastic air bag 51, and the other end is communicated with the nozzle 53. The squeeze plate 54 is located in the mounting cavity 411 and on a side of the elastic air bag 51 near the clamping assembly 3, one end of the squeeze plate 54 is hinged with the correction block 42, and the hinge axis of the squeeze plate 54 is horizontal and perpendicular to the sliding direction of the correction block 42. The positioning seat 41 is also fixed with a limiting part 9, the limiting part 9 is positioned in the mounting cavity 411 and positioned on one side of the extrusion plate 54 far away from the elastic air bag 51, the limiting part 9 is cylindrical, and the axis of the limiting part 9 is parallel to the hinge axis of the extrusion plate 54.

The installation cavity 411 is also internally provided with a return spring 10, the return spring 10 is sleeved on the elastic air bag 51, one end of the return spring 10 is fixed on the extrusion plate 54, and the other end of the return spring is fixed on the inner wall of the installation cavity 411. The reset spring 10 is abutted against the inner wall of the mounting cavity 411 and the extrusion plate 54 and is positioned between the limiting part 9 and the hinge axis of the extrusion plate 54; the elastic force of the return spring 10 abuts against the pressing plate 54 on the limiting part 9. The distance from the abutting position of the limiting part 9 and the extrusion plate 54 to the hinge axis of the extrusion plate 54 is a, the distance from the abutting position of the extrusion plate 54 and the elastic air bag 51 to the hinge axis of the extrusion plate 54 is b, and a is smaller than b/5.

When the correction block 42 moves in the direction close to the clamping assembly 3, the limiting part 9 abuts against the extrusion plate 54 to form limiting, so that one end, away from the hinge axis of the extrusion plate 54, of the extrusion plate 54 is turned towards the elastic air bag 51 to extrude the elastic air bag 51, after the elastic air bag 51 is extruded, air in the elastic air bag 51 is sprayed out of the nozzle 53 along the air duct 52, and air flow sprayed out of the nozzle 53 impacts the correction surface 421 to clean scraps of the correction surface 421, so that interference of the scraps on the abutting positioning precision is reduced when the correction surface 421 abuts against the raised strips 17 of the workpiece.

When the adjusting piece 43 is rotated to enable the correction block 42 to move away from the clamping assembly 3, the elastic force of the reset spring 10 always abuts against the extrusion plate 54 and abuts against the limiting part 9, force is transmitted to the correction block 42 through force transmission of the limiting part 9, the correction block 42 has a trend of moving away from the clamping assembly 3, axial movement of the adjusting screw 431 and the positioning seat 41 is reduced in the adjusting process of the correction block 42, further, cutting chips enter a thread gap of the adjusting screw 431 due to movement of the adjusting screw 431, locking force is affected by abrasion of the adjusting screw 431 is reduced, and positioning is stable and accurate. In addition, the elastic force of the return spring 10 abuts against the pressing plate 54 and the limiting portion 9, so that the situation that the pressing plate 54 presses the elastic air bag 51 under the action of gravity to influence the return of the elastic air bag 51 is reduced. The return of the elastic air bag 51 is slower than the return of the return spring 10, and the situation that the return of the elastic air bag 51 is too fast, so that the air sucked by the nozzle 53 is too violent to suck the scraps is reduced.

Referring to fig. 1, the grinding assembly 6 is located on the side of the clamping assembly 3 remote from the shifting assembly 2, in this example the grinding assembly 6 is located above the clamping assembly 3. The grinding assembly 6 comprises a grinding carriage 61, a tool holder 62 and a grinding drive 63 the grinding carriage 61 being slidably connected to the frame 1, the sliding direction of the grinding carriage 61 being perpendicular to the sliding direction of the first platform 21 and to the sliding direction of the second platform 22, in this example the sliding direction of the grinding carriage 61 being in the vertical direction. In order to facilitate the movable adjustment of the grinding seat 61, the frame 1 is further provided with a driving assembly III 11, the driving assembly III 11 comprises a screw rod III and a motor III, the screw rod III is vertically arranged, the screw rod III is rotationally connected with the frame 1 and is in threaded connection with the grinding seat 61, the motor III is fixed on the frame 1 and is coaxially connected with the screw rod III, and the motor III is used for driving the screw rod III to rotate so as to realize the adjustment of the vertical sliding of the grinding seat 61. The tool holder 62 is used for installing a tool, the tool holder 62 is rotatably connected to the grinding seat 61, and the rotation axis of the tool holder 62 is parallel to the sliding direction of the grinding seat 61. The grinding driving member 63 is a driving motor, and an output shaft of the driving motor is coaxially connected with the tool holder 62 for driving the tool holder 62 to rotate so that the tool rotates for grinding.

After the workpiece is clamped and positioned by the clamping assembly 3 and the positioning assembly 4, the two ends of the workpiece in the thickness direction are clamped by the positioning plate 32 and the clamping plate 33, and the length direction of the workpiece is in the horizontal direction and the width direction of the workpiece is in the vertical direction. Then, the corresponding tool is mounted on the tool holder 62, the grinding driving member 63 drives the tool holder 62 to rotate, at this time, the rotation axis of the tool holder 62 is perpendicular to the end face in the width direction of the clamped workpiece, then the grinding seat 61 moves downward, and the movement of the moving assembly 2 is matched with the movement of the moving assembly so that the tool grinds the arc surface between the raised line 17 and the plate 16 of the workpiece into a right angle.

Referring to fig. 1, the grinding seat 61 is further provided with an oil guide pipe 12, one end of the oil guide pipe 12 is an oil outlet, the oil outlet faces towards a cutter mounted on the cutter seat 62, the other end of the oil guide pipe 12 is communicated with an oil pump, the oil inlet end of the oil pump is used for being communicated with an oil tank, and cutting oil in the oil tank is pumped to the oil outlet through the oil pump to spray out the cutter for cooling and lubricating. The oil tank is generally positioned in the frame 1 and below the mobile platform, and cutting oil sprayed out of the oil outlet flows into the oil tank after being filtered, so that the recycling of the cutting oil is realized.

Referring to fig. 1 and 4, the upper end surface of the second platform 22 is further provided with a mounting table 13, the end surface of the mounting table 13 away from the second platform 22 is provided with a positioning portion 14, and the positioning plate 32 includes two positioning strips for abutting against the end surface of the workpiece in the width direction. The upper end face of the mounting table 13 is further provided with two threaded holes 15, the distribution direction of the two threaded holes 15 is parallel to the distribution direction of the two positioning strips, after the workpiece abuts against the two positioning strips, the workpiece passes through the workpiece fixing holes 18 in one-to-one correspondence through the two bolts and is then in threaded connection with the two threaded holes 15 to fix the workpiece, and then the workpiece forms a positioning reference through the matching movement of the moving assembly 2 and the grinding assembly 6, so that the workpiece is ground by forming a positioning reference on the end face abutted against by the positioning part 14.

The working principle of the embodiment is as follows:

the workpiece is firstly mounted on the mounting table 13, and the workpiece is subjected to finish grinding by the moving assembly 2 and the grinding assembly 6, so that the parallelism of the end face of the raised strip 17 of the workpiece far away from the plate body 16 and the end face of the workpiece provided with the raised strip 17 is better.

Then remove the work piece to clamping assembly 3, the location of cooperation locating component 4 is fixed the work piece centre gripping, then grinding assembly 6 cooperation remove subassembly 2 makes the cutter carry out abrasive machining to the arc surface between sand grip 17 and the plate body 16 of work piece and become the right angle for the precision of processing is better.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a printing machine suction plate grinding device which characterized in that: the grinding machine comprises a frame (1), wherein the frame (1) is provided with a moving assembly (2), a clamping assembly (3) and a grinding assembly (6);

the moving assembly (2) comprises a first platform (21) connected to the frame (1) in a sliding manner and a second platform (22) connected to the first platform (21) in a sliding manner, and the sliding direction of the first platform (21) is perpendicular to the sliding direction of the second platform (22);

the clamping assembly (3) comprises a clamping seat (31) arranged on the second platform (22), a positioning plate (32) arranged on the clamping seat (31), a clamping plate (33) connected with the clamping seat (31) in a sliding manner and a clamping driving piece (34) arranged on the clamping seat (31) and used for driving the clamping plate (33) to be close to the positioning plate (32) so as to clamp a workpiece;

the grinding assembly (6) is positioned on one side of the clamping assembly (3) away from the moving assembly (2), and the grinding assembly (6) comprises a grinding seat (61) connected with the frame (1) in a sliding manner, a tool apron (62) connected with the grinding seat (61) in a rotating manner, and a grinding driving piece (63) arranged on the grinding seat (61) and used for driving the tool apron (62) to rotate; the tool holder (62) is used for mounting a tool, the sliding direction of the grinding seat (61) is perpendicular to the sliding direction of the first platform (21) and the sliding direction of the second platform (22), and the sliding direction of the grinding seat (61) is parallel to the rotation axis of the tool holder (62);

the rotating axis of the tool apron (62) is perpendicular to the end face of the clamped workpiece in the width direction, and the sliding direction of the grinding seat (61) moves towards the clamped workpiece so that the tool grinds the arc surface between the raised strips (17) of the workpiece and the plate body (16);

the end face, close to the clamping plate (33), of the positioning plate (32) is provided with a positioning post (321), and the positioning post (321) is used for being embedded into a workpiece fixing hole (18) so that a workpiece can rotate around the positioning post (321);

the second platform (22) is further provided with a positioning assembly (4), the positioning assembly (4) comprises a positioning seat (41) arranged on the second platform (22), a correction block (42) connected to the positioning seat (41) in a sliding manner and an adjusting piece (43) for adjusting the correction block (42) to slide, one end, close to the clamping assembly (3), of the correction block (42) is provided with a correction surface (421), the correction surface (421) is parallel to the rotation axis of the tool holder (62), and the correction surface (421) is used for abutting against the end face, away from the plate body (16), of the workpiece raised strip (17) so that the end face, provided with the raised strip (17), of the plate body (16) is parallel to the rotation axis of the tool holder (62);

the adjusting piece (43) comprises an adjusting screw rod (431) which is connected with the positioning seat (41) in a threaded mode and is rotationally connected with the correction block (42), and the axis of the adjusting screw rod (431) is parallel to the sliding direction of the correction block (42);

a mounting cavity (411) is arranged in the positioning seat (41), and the mounting cavity (411) penetrates to the correction block (42); the correction block (42) is provided with a cleaning assembly (5), the cleaning assembly (5) comprises an air duct (52) arranged on the correction block (42), a nozzle (53) arranged at one end of the air duct (52) and facing the correction surface (421), an elastic air bag (51) arranged in the installation cavity (411) and communicated with one end of the air duct (52) away from the nozzle (53), and a squeezing plate (54) arranged on the correction block (42), the squeezing plate (54) is positioned in the installation cavity (411), and when the correction block (42) is close to the clamping assembly (3), the squeezing plate (54) is used for squeezing the elastic air bag (51) to enable the nozzle (53) to jet air to clean the correction surface (421);

the extruding plate (54) is hinged with the correcting block (42), the hinge axis of the extruding plate (54) is perpendicular to the sliding direction of the correcting block (42), the positioning seat (41) is provided with a limiting part (9), the limiting part (9) is positioned in the mounting cavity (411), the limiting part (9) is positioned at one side of the extruding plate (54) far away from the elastic air bag (51), the distance from the abutting part of the limiting part (9) and the extruding plate (54) to the hinge axis of the extruding plate (54) is a, and the distance from the abutting part of the extruding plate (54) and the elastic air bag (51) to the hinge axis of the extruding plate (54) is b, wherein a is smaller than b/5;

when the correction block (42) is close to the clamping assembly (3), the limiting part (9) abuts against the extrusion plate (54) so that one end, away from the hinge axis of the extrusion plate (54), of the extrusion plate (54) is turned towards the elastic air bag (51) to extrude the elastic air bag (51).

2. The suction plate grinding device of a printing machine according to claim 1, wherein: the clamping driving piece (34) comprises an adjusting screw rod (341) and a handle (342), the adjusting screw rod (341) is rotationally connected with the clamping seat (31) and is in threaded connection with the clamping plate (33), and the handle (342) is arranged on the adjusting screw rod (341) and is used for driving the adjusting screw rod (341) to rotate.

3. The suction plate grinding device of a printing machine according to claim 1, wherein: the second platform (22) still is equipped with mount table (13), the terminal surface that second platform (22) was kept away from to mount table (13) is equipped with location portion (14), mount table (13) up end still is equipped with screw hole (15), screw hole (15) are equipped with two, two screw hole (15) set up to the work piece support and lean on behind location portion (14) one-to-one supplies the bolt threaded connection that passes work piece fixed orifices (18) in order to fix the work piece.

4. The suction plate grinding device of a printing machine according to claim 1, wherein: the grinding seat (61) is also provided with an oil guide pipe (12), one end of the oil guide pipe (12) is an oil outlet, the oil outlet is used for spraying cutting oil towards a cutter of the cutter seat (62), and the other end of the oil guide pipe (12) is used for being communicated to an oil pump.

5. The suction plate grinding device of a printing machine according to claim 1, wherein: a reset spring (10) is further arranged in the mounting cavity (411), the reset spring (10) is sleeved on the elastic air bag (51), the reset spring (10) abuts against the inner wall of the mounting cavity (411) and the extrusion plate (54) and is positioned between the limiting part (9) and the hinge axis of the extrusion plate (54); the elastic force of the return spring (10) abuts against the extrusion plate (54) and the limiting part (9).

6. The suction plate grinding device of a printing machine according to claim 1, wherein: the correction surface (421) is provided with a plurality of abdication grooves (422), and each abdication groove (422) penetrates through the correction block (42) along the direction of air injection of the nozzle (53).