CN113059370A

CN113059370A - Indirect feeding type self-fastening workbench for double-station engraving and milling machine

Info

Publication number: CN113059370A
Application number: CN202110509376.5A
Authority: CN
Inventors: 耿文丽
Original assignee: Individual
Current assignee: Hunan Xiangjiang Tool Manufacturing Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-07-02
Anticipated expiration: 2041-05-11
Also published as: CN113059370B

Abstract

The invention relates to the technical field of numerical control equipment, in particular to an indirect feeding type self-fastening workbench for a double-station engraving and milling machine, which comprises a base, a stand column, an engraving mechanism and a brush roller, wherein a driving table is connected above the base, an adjusting assembly is connected above the driving table and comprises a first clamping assembly and a second clamping assembly, the stand column is connected above the base, the engraving mechanism is connected above the stand column, a cleaning assembly is connected on the front side of the stand column, and the driving assembly is connected inside the driving table. According to the invention, through the arrangement of the driving assembly, automatic clamping and loosening of the clamp holder can be realized while two operation tables perform intermittent feeding, so that self-fastening during feeding and self-loosening during discharging can be realized, and through the arrangement of the intermittent self-fastening structure, the feeding and discharging time is saved, and the production efficiency of equipment is improved.

Description

Indirect feeding type self-fastening workbench for double-station engraving and milling machine

Technical Field

The invention relates to the technical field of numerical control equipment, in particular to an indirect feeding type self-fastening workbench for a double-station engraving and milling machine.

Background

The engraving and milling machine is one of numerically-controlled machine tools, generally speaking, the engraving and milling machine is a numerically-controlled milling machine using a small cutter, a high-power and high-speed spindle motor, the engraving and milling machine can engrave and mill, and is a high-efficiency and high-precision numerically-controlled machine tool, wherein the small engraving and milling machine is usually used for engraving the surface of an aluminum plate or a copper plate or drilling a hole in the center of the aluminum plate or the copper plate.

However, when the existing engraving and milling machine is used for processing parts, the screw rod is usually adopted to control a single station to move so as to realize the feeding processing of the parts, when the parts are loaded and unloaded, the operation is too complicated, generally, when the parts are processed, the parts need to be manually clamped by a fixed center and further moved to the position right below the cutter for processing, the operation table is moved out after the processing is finished, then the parts on the operating platform are unloaded, and simultaneously new parts to be processed are fixed at the upper part, so that the circular operation is realized, the processing treatment of the parts is realized, when the equipment carries out the processing treatment of large-batch parts, the step is too complicated, consumes a large amount of time, further causes the part processing efficiency of the equipment to be reduced, therefore, the production efficiency of the equipment is reduced, and an indirect feeding type self-fastening workbench for the double-station engraving and milling machine is urgently needed to be designed to solve the problems.

Disclosure of Invention

The invention aims to provide an indirect feeding type self-fastening workbench for a double-station engraving and milling machine, and aims to solve the problems that the existing equipment is too complicated to operate and consumes a large amount of time when feeding and discharging parts, so that the production efficiency of the equipment is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a duplex position carving mills machine indirect material loading formula from fastening workstation, includes base, stand, sculpture mechanism and brush roller, the top of base is connected with the drive platform, the top of drive platform is connected with adjusting part, adjusting part includes first centre gripping subassembly and second centre gripping subassembly, the top of base is connected with the stand, the top of stand is connected with sculpture mechanism, the front of stand is connected with the clearance subassembly, the internal connection of drive platform has drive assembly, drive assembly includes the support frame, the top of support frame is connected with the extension board, the internal connection of extension board has first rack and second rack.

Preferably, the drive table includes driving motor, driving motor's right side is provided with a supporting bench, driving motor's output is connected with the lead screw, both sides all are provided with the polished rod around the lead screw, the top of supporting bench is connected with control button, both sides are provided with the groove that gathers materials around the supporting bench, the top of supporting bench is connected with the guard plate.

Preferably, both ends all are provided with ball bearing about the lead screw, the outside meshing of lead screw is connected with the nut pair, the top of polished rod is connected with the slider, the guide way has been seted up to the top of guard plate, the left and right sides of collecting groove and then be provided with and connect the material mouth, and connect the diameter of material mouth to be greater than the width of stock guide.

Preferably, the adjusting assembly comprises a first clamping assembly, the right side of the first clamping assembly is connected with a second clamping assembly through a material guide plate, the first clamping assembly and the second clamping assembly are connected with a moving assembly, clamping devices are arranged above the first clamping assembly and the second clamping assembly, the second clamping assembly comprises a second gear, the moving assembly comprises a moving plate, a sliding block is connected below the moving plate, and a nut pair is connected below the moving plate.

Preferably, the first clamping assembly and the second clamping assembly are identical in structure, the cross section of the material guide plate is triangular, the front end and the rear end of the material guide plate correspond to the positions above the material receiving openings of the material collecting grooves when being static, the upper surface of the material guide plate is smooth, and a protective coating is sprayed on the upper surface of the material guide plate.

Preferably, the first clamping assembly comprises an operating table, a guide supporting block is arranged above the operating table, an adjusting rod is connected below the guide supporting block, a turntable is connected above the adjusting rod, a sleeve is connected below the turntable, a driving shaft penetrates through the center of the turntable, a movable column is connected inside the sleeve, and a first gear is connected to the bottom of the driving shaft.

Preferably, a guide through groove is formed above the operating platform, a guide supporting block is connected to the upper portion of the guide through groove in a sliding mode, the guide supporting block is rotatably connected with the adjusting rod through a rotating pin, the adjusting rod is located between the rotating disc and the sleeve, the other end of the adjusting rod is rotatably connected with the rotating disc through the rotating pin, a driving shaft is fixedly connected to the center of the rotating disc, ball bearings are arranged on the upper side and the lower side of the driving shaft, the first gear is connected with the second rack in a meshing mode, and the second gear is connected with the first rack in a meshing mode.

Preferably, the holder includes the activity groove, the front in activity groove is connected with the gag lever post, the outside of gag lever post is provided with the fixed slot, the internal connection of fixed slot has the screw thread post, the internal connection in activity groove has the movable rod, the rear of movable rod is connected with the telescopic link, the rear of telescopic link is connected with the grip block, the external connection of telescopic link has the spring, the activity groove is hollow structure, and the rear in activity groove has seted up the through-hole, the holder is provided with four groups altogether, and the holder is connected respectively in the top of direction supporting shoe, the thread groove has been seted up at the center of fixed slot, and the fixed slot is threaded connection with the screw thread post.

Preferably, the clearance subassembly includes the brush roller, the left side of brush roller is provided with the bracing piece, the right side of bracing piece is connected with first brush tooth, the bottom of bracing piece is connected with the second brush tooth, the rear of brush roller is connected with the motor, the outside at the stand is connected to the top of bracing piece, the bracing piece is circular-arc form, first brush tooth all is the slope form with the second brush tooth.

Preferably, the top of support frame has the extension board through hexagonal bolt connection, the internal connection of extension board has first rack and second rack, the support frame is C shape frame construction, and the support frame be in the removal subassembly and between the operation panel, support frame fixed connection is at the inner wall of brace table, and the support frame is in between polished rod and the lead screw, the second rack is in the front of first gear, and the second rack is the meshing with first gear and is connected, the both ends of second rack all are provided with limit stop, first rack is in the rear of second gear, and first rack is the meshing with the second gear and is connected.

Compared with the prior art, the invention has the beneficial effects that:

1. this duplex position carving mills machine indirect material loading formula and removes the cooperation from fastening workstation about through the duplex position, can realize the indirect formula feed that adds man-hour to equipment part to compare traditional simplex position processing mode, can carry out the part machining at a workstation while, realize the centre gripping installation to another workstation part, thereby realize the indirect formula material loading in turn of duplex position, thereby can effectual improve equipment's material loading efficiency, further saved the time that simplex position went up unloading and consumed.

2. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine can realize self-fastening adjustment of the clamping component while operation tables are alternately replaced through the arrangement of the linkage component, when one operation table moves to the position below the engraving mechanism, the clamping operation of the clamp holder above the operation table can be simultaneously realized, so that the part is clamped and fixed, the central fixed clamping of the part can be ensured while the part is clamped, meanwhile, the other operation table realizes the loosening of the clamp holder above the engraving mechanism while the other operation table moves, so that the part is conveniently taken out, the part is fixed while the operation tables move, the efficiency of clamping and fixing the part is further improved, the feeding efficiency can be effectively improved in cooperation with the tightness of the operation tables, the operation time is saved, the production efficiency is improved, and meanwhile, the length of the clamp holder is adjustable, the center clamping and fixing of rectangular parts of different sizes are facilitated.

3. This duplex position carving mills machine indirect material loading formula from fastening workstation passes through the cooperation that sets up of clearance subassembly, when the part shifts out sculpture mechanism below, can realize sweeping the clearance to the remaining iron fillings of part top processing, thereby when carrying out the not hard up of part, can make things convenient for the part directly to take out, reduce follow-up clearance preface to the part surface residual iron fillings, reduce the remaining iron fillings of operation panel top simultaneously, the surface neatness nature that keeps the operation panel, the centre gripping of the follow-up part of being convenient for is fixed, the work and the production efficiency of equipment have further been improved.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of a support stage according to the present invention;

FIG. 4 is a schematic left-side sectional view of a support table according to the present invention;

FIG. 5 is a schematic view of a first state of the clamping assembly of the present invention;

FIG. 6 is a structural view of the clamping assembly of the present invention in a second state;

FIG. 7 is a top view of a partial structure of the driving assembly of the present invention;

FIG. 8 is a schematic bottom view of the clamping assembly of the present invention;

fig. 9 is a schematic top sectional view of the holder of the present invention.

In the figure: 1. a base; 2. a drive stage; 21. a drive motor; 22. a support table; 23. a lead screw; 24. a polish rod; 25. a material collecting groove; 26. a control button; 27. a protection plate; 3. an adjustment assembly; 31. a first clamping assembly; 311. an operation table; 312. a guide support block; 313. a drive shaft; 314. a turntable; 315. adjusting a rod; 316. a sleeve; 317. a first gear; 318. a movable post; 32. a material guide plate; 33. a second clamping assembly; 337. a second gear; 34. a moving assembly; 341. moving the plate; 342. a slider; 343. a nut pair; 35. a holder; 351. a movable groove; 352. a limiting rod; 353. fixing grooves; 354. a threaded post; 355. a movable rod; 356. a telescopic rod; 357. a spring; 358. a clamping block; 4. a column; 5. an engraving mechanism; 6. cleaning the assembly; 61. a brush roller; 62. a support bar; 63. a first brush tooth; 64. a second brush tooth; 7. a drive assembly; 71. a support frame; 72. an extension plate; 73. a first rack; 74. a second rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown:

an indirect feeding type self-fastening workbench for a double-station engraving and milling machine comprises a base 1, an upright post 4, an engraving mechanism 5 and a brush roller 61, wherein a driving table 2 is connected above the base 1, an adjusting assembly 3 is connected above the driving table 2, the adjusting assembly 3 comprises a first clamping assembly 31 and a second clamping assembly 33, the upright post 4 is connected above the base 1, the engraving mechanism 5 is connected above the upright post 4, a cleaning assembly 6 is connected on the front surface of the upright post 4, a driving assembly 7 is connected inside the driving table 2, the driving assembly 7 comprises a supporting frame 71, an extending plate 72 is connected above the supporting frame 71, a first rack 73 and a second rack 74 are connected inside the extending plate 72, through the arrangement of the structure, the indirect control over the first clamping assembly 31 and the second clamping assembly 33 can be firstly realized, when the first clamping assembly 31 and the second clamping assembly 33 move, through the setting of this structure, when can realizing first centre gripping subassembly 31 and remove to the left side, top holder 35 is opened, holder 35 mutual centre gripping when second centre gripping subassembly 33 left side is removed simultaneously, realize the fixed to the part, and then when second centre gripping subassembly 33 removes to the below of sculpture mechanism 5, can ensure that the part is under the sculpture mechanism 5, and on the same way, when second centre gripping subassembly 33 removes to the right side, holder 35 is opened, be convenient for take out of processing part, first centre gripping subassembly 31 right side is removed and is realized fixing the centre gripping of part through holder 35 simultaneously, thereby the effectual centre gripping fixed time of having saved the part, can realize incessant continuous operation, and the improvement production efficiency.

Further, the driver's platform 2 includes driving motor 21, driving motor 21's right side is provided with brace table 22, driving motor 21's output is connected with lead screw 23, both sides all are provided with polished rod 24 around lead screw 23, brace table 22's top is connected with control button 26, brace table 22's front and back both sides are provided with the groove 25 that gathers materials, brace table 22's top is connected with guard plate 27, setting up through this structure can realize driving top adjusting part 3's removal, and driving motor 21's external connection has the controller, can realize opening the work of just reversing driving motor 21 and stop control.

Further, both ends all are provided with ball bearing about lead screw 23, lead screw 23's outside meshing is connected with vice 343 of nut, polished rod 24's top is connected with slider 342, the guide way has been seted up to guard plate 27's top, the left and right sides of collecting groove 25 and then be provided with and connect the material mouth, and the diameter that connects the material mouth is greater than the width of stock guide 32, be convenient for realize the collection processing of iron fillings, when driving motor 21 starts, can drive lead screw 23 and rotate, can drive vice 343 of nut and remove when rotating through lead screw 23, thereby it removes to drive top movable plate 341, thereby it removes to drive first centre gripping subassembly 31 and second centre gripping subassembly 33.

Further, the adjusting assembly 3 includes a first clamping assembly 31, the right side of the first clamping assembly 31 is connected with a second clamping assembly 33 through a material guide plate 32, a moving assembly 34 is connected below the first clamping assembly 31 and the second clamping assembly 33, clamps 35 are disposed above the first clamping assembly 31 and the second clamping assembly 33, and double-station intermittent loading and unloading operations of the equipment are realized through the arrangement of the structure, so that the working efficiency of the equipment is improved, the production efficiency is improved, the second clamping assembly 33 includes a second gear 337, the structure of the second clamping assembly 33 is the same as that of the first clamping assembly 31, the clamps 35 above the second clamping assembly 33 are conveniently driven and controlled through the arrangement of a second gear 337, the moving assembly 34 includes a moving plate 341, a sliding block 342 is connected below the moving plate 341, a nut pair 343 is connected below the moving plate 341, and the arrangement of the structure can realize the movement of the moving plate 341 through the rotation of the screw 23, and then can realize the movement control to the first clamping assembly 31 and the second clamping assembly 33 above, further realize the guide processing through the slider 342 at the same time, guarantee the stability of the moving plate 341.

Further, first centre gripping subassembly 31 is the same with second centre gripping subassembly 33's structure, the transversal triangle-shaped that personally submits of stock guide 32, and correspond the top that the material collecting groove 25 connects the material mouthful when the front and back both ends of stock guide 32 are static, the upper surface of stock guide 32 is smooth form, and the upper surface spraying of stock guide 32 has protective coating, can realize collecting the processing to the direction of iron fillings through stock guide 32, when first centre gripping subassembly 31 and second centre gripping subassembly 33 remove, can realize collecting the remaining iron fillings on part surface through the clearance subassembly 6 that the top set up, and promote it to stock guide 32 department and carry out the direction collection, and the surface spraying has waterproof nature smooth paint, avoid appearing the corrosion when reducing iron fillings are remaining, lead to its surface smoothness to reduce.

Further, the first clamping assembly 31 includes an operation table 311, a guiding support block 312 is disposed above the operation table 311, an adjusting rod 315 is connected below the guiding support block 312, a rotating disc 314 is connected above the adjusting rod 315, a sleeve 316 is connected below the rotating disc 314, a driving shaft 313 penetrates through the center of the rotating disc 314, a movable column 318 is connected inside the sleeve 316, the movable column 318 is connected with the sleeve 316 to realize auxiliary guiding of the guiding support block 312, a first gear 317 is connected to the bottom of the driving shaft 313, with this arrangement, the rotation of the drive shaft 313 can be controlled by the rotation of the first gear 317, and the dial 314 is further rotated by the rotation of the drive shaft 313, so that the adjustment lever 315 can be rotated, further, the guide support block 312 can be moved and the guide support block 312 can be gripped and unfolded by controlling the forward and reverse rotation.

Furthermore, a guiding through groove is formed above the operating platform 311, a guiding support block 312 is slidably connected above the guiding through groove, the guiding support block 312 is rotatably connected with an adjusting rod 315 through a rotating pin, the adjusting rod 315 is located between the rotating disc 314 and the sleeve 316, the other end of the adjusting rod 315 is rotatably connected with the rotating disc 314 through a rotating pin, a driving shaft 313 is fixedly connected to the center of the rotating disc 314, ball bearings are arranged on the upper side and the lower side of the driving shaft 313, so that the driving shaft 313 is supported while friction force is reduced, the driving shaft 313 is conveniently rotated, the first gear 317 is connected with the second rack 74 in a meshing manner, the second gear 337 is connected with the first rack 73 in a meshing manner, and when the first clamping assembly 31 and the second clamping assembly 33 move to the right side, the first gear 317 is meshed with the second rack 74, the first clamping assembly 31 is clamped, the second clamping assembly 33 is unfolded through the meshing of the second gear 337 and the first rack 73, and on the contrary, when the first clamping assembly 31 is moved to the left side, the second clamping assembly 33 is unfolded by the first clamping assembly 31 for clamping.

Further, the clamper 35 comprises a movable groove 351, a limit rod 352 is connected to the front side of the movable groove 351, a fixed groove 353 is arranged outside the limit rod 352, a threaded column 354 is connected inside the fixed groove 353, a movable rod 355 is connected inside the movable groove 351, a telescopic rod 356 is connected behind the movable rod 355, a clamping block 358 is connected behind the telescopic rod 356, a spring 357 is connected outside the telescopic rod 356, the movable groove 351 is of a hollow structure, a through hole is formed in the rear side of the movable groove 351, four groups of the clamper 35 are arranged, the clamper 35 is respectively connected above the guide support block 312, a threaded groove is formed in the center of the fixed groove 353, the fixed groove 353 is in threaded connection with the threaded column 354, and by the arrangement of the structure, when the guide support block 312 is clamped, clamping of parts can be realized through the arrangement of the structure, and through the matching of the clamping block 358 and the movable, can realize adjusting the slope of part at the in-process of centre gripping, guarantee that the sideline of part centre gripping is parallel to guarantee that the center centre gripping of part is fixed, simultaneously through the threaded connection of screw post 354 and fixed slot 353, can realize certain distance and adjust, and then can realize during the centre gripping of not unidimensional part that fixed slot 353 is ejecting, thereby realize the distance adjustment of clamping face.

Further, clearance subassembly 6 includes brush roller 61, brush roller 61's left side is provided with bracing piece 62, the right side of bracing piece 62 is connected with first brush tooth 63, the bottom of bracing piece 62 is connected with second brush tooth 64, brush roller 61's rear is connected with the motor, the outside at stand 4 is connected to bracing piece 62's top, bracing piece 62 is circular-arc form, first brush tooth 63 all is the slope form with second brush tooth 64, setting through this structure, can realize cleaning the remaining iron fillings of part upper surface, thereby the in-process realization that unloads the centre gripping pine of carrying out the part is to cleaning of part surface debris, first brush tooth 63 is the same with second brush tooth 64's shape, all be unilateral ratch array distribution structure, and the ratch of first brush tooth 63 and second brush tooth 64 is crisscross structure from top to bottom.

Furthermore, an extension plate 72 is connected above the support frame 71 through a hexagon bolt, a first rack 73 and a second rack 74 are connected inside the extension plate 72, the support frame 71 is in a C-shaped frame structure, and the supporting frame 71 is located between the moving assembly 34 and the operation table 311, the supporting frame 71 is fixedly connected to the inner wall of the supporting table 22, and the support bracket 71 is positioned between the polish rod 24 and the lead screw 23, the second rack 74 is positioned at the front of the first gear 317, the second rack 74 is engaged with the first gear 317, two ends of the second rack 74 are provided with limit stoppers, the first rack 73 is positioned behind the second gear 337, the first rack 73 is engaged with the second gear 337, through the mutual matching arrangement of the structures, while the second clamping assembly 33 and the first clamping assembly 31 move, the first gear 317 and the second gear 337 are controlled in opposite rotational directions by the offset arrangement of the first rack 73 and the second rack 74, respectively.

The working principle is as follows: when the invention is used, firstly, the first clamping component 31 is ensured to be positioned at the leftmost side of the supporting table 22, the processed rectangular part is further placed above the operating table 311, the control button 26 is further pressed, the controller controls the start of the driving motor 21, the rotation of the driving motor 21 can realize the position drive of the moving component 34 through the rotation of the lead screw 23, so that the right side movement of the first clamping component 31 and the second clamping component 33 box is realized, the movement can simultaneously realize the rotation of the first gear 317 and the second gear 337 through the meshing of the first rack 73 and the second gear 337 and the meshing of the second rack 74 and the first gear 317, the rotation of the first gear 317 and the second gear 337 are realized through the movement, when the first clamping component 31 moves towards the right side, the rotation of the driving shaft 313 can be realized through the rotation of the first gear 317, the rotation of the rotary table 314 rotates to realize the contraction of the adjusting rod 315, and then realize the position pulling to the direction supporting shoe 312 to realize the centre gripping of part through the holder 35 of direction supporting shoe 312 top and fix, and can guarantee the fixed centre gripping in center of part, simultaneously through the rotation of second gear 337, realize the expansion of top holder 35, when second centre gripping subassembly 33 moved to the right side, will wait to process the part and place in second centre gripping subassembly 33 top.

When the processing of the parts above the operation table 311 is finished, the driving motor 21 can be turned over under the control of the controller, so that the first clamping assembly 31 and the second clamping assembly 33 can move to the left side, the first clamping assembly 31 can be unfolded while moving, the second clamping assembly 33 can clamp the parts, so that the parts above the second clamping assembly 33 can be processed conveniently, the upper cleaning assembly 6 can rotate while the operation table 311 moves to the left side, the residual iron filings on the surfaces of the parts above the operation table 311 can be cleaned by the anticlockwise rotation of the upper brush roller 61, and can be guided and collected by the guide plate 32, and similarly, when the second clamping assembly 33 moves to the right side, the upper brush roller 61 can rotate clockwise to clean the iron filings, and the first brush teeth 63 and the second brush teeth 64 are arranged, when can word brush roller 61 pivoted, realize that the inside residue of attaching to of brush roller 61 gets rid of, guarantee brush roller 61's clean, when avoiding second centre gripping subassembly 33 to move left, the residue drops in the top of feeding part.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a duplex position carving mills machine indirect material loading formula from fastening workstation, includes base (1), stand (4), sculpture mechanism (5) and brush roller (61), its characterized in that: the top of base (1) is connected with driver's platform (2), the top of driver's platform (2) is connected with adjusting part (3), adjusting part (3) are including first centre gripping subassembly (31) and second centre gripping subassembly (33), the top of base (1) is connected with stand (4), the top of stand (4) is connected with sculpture mechanism (5), the front of stand (4) is connected with clearance subassembly (6), the internal connection of driver's platform (2) has drive assembly (7), drive assembly (7) are including support frame (71), the top of support frame (71) is connected with extension board (72), the internal connection of extension board (72) has first rack (73) and second rack (74).

2. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 1, wherein: the utility model discloses a hydraulic drive platform, including driving motor (21), driving table (2), the right side of driving motor (21) is provided with brace table (22), the output of driving motor (21) is connected with lead screw (23), both sides all are provided with polished rod (24) around lead screw (23), the top of brace table (22) is connected with control button (26), both sides are provided with material collecting groove (25) around brace table (22), the top of brace table (22) is connected with guard plate (27).

3. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 2, wherein: both ends all are provided with ball bearing about lead screw (23), the outside meshing of lead screw (23) is connected with nut pair (343), the top of polished rod (24) is connected with slider (342), the guide way has been seted up to the top of guard plate (27), the left and right sides of collecting groove (25) and then be provided with and connect the material mouth, and the diameter that connects the material mouth is greater than the width of stock guide (32).

4. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 1, wherein: the adjusting assembly (3) comprises a first clamping assembly (31), the right side of the first clamping assembly (31) is connected with a second clamping assembly (33) through a material guide plate (32), the lower portions of the first clamping assembly (31) and the second clamping assembly (33) are connected with a moving assembly (34), clamping devices (35) are arranged above the first clamping assembly (31) and the second clamping assembly (33), the second clamping assembly (33) comprises a second gear (337), the moving assembly (34) comprises a moving plate (341), a sliding block (342) is connected to the lower portion of the moving plate (341), and a nut pair (343) is connected to the lower portion of the moving plate (341).

5. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 4, wherein: the structure of first centre gripping subassembly (31) is the same with second centre gripping subassembly (33), the transversal triangle-shaped form of personally submitting of stock guide (32), and correspond album silo (25) when both ends are static around stock guide (32) and connect the top of material mouthful, the upper surface of stock guide (32) is smooth form, and the upper surface spraying of stock guide (32) has protective coating.

6. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 4, wherein: the first clamping assembly (31) comprises an operating table (311), a guide supporting block (312) is arranged above the operating table (311), an adjusting rod (315) is connected below the guide supporting block (312), a rotary table (314) is connected above the adjusting rod (315), a sleeve (316) is connected below the rotary table (314), a driving shaft (313) penetrates through the center of the rotary table (314), a movable column (318) is connected inside the sleeve (316), and a first gear (317) is connected to the bottom of the driving shaft (313).

7. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 6, wherein: the top of the operating platform (311) is provided with a guide through groove, a guide supporting block (312) is connected to the top of the guide through groove in a sliding mode, the guide supporting block (312) is rotatably connected with an adjusting rod (315) through a rotating pin, the adjusting rod (315) is located between a rotary disc (314) and a sleeve (316), the other end of the adjusting rod (315) is rotatably connected with the rotary disc (314) through the rotating pin, a driving shaft (313) is fixedly connected to the center of the rotary disc (314), ball bearings are arranged on the upper side and the lower side of the driving shaft (313), a first gear (317) is connected with a second rack (74) in a meshing mode, and a second gear (337) is connected with the first rack (73) in a meshing mode.

8. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 4, wherein: the clamper (35) comprises a movable groove (351), the front surface of the movable groove (351) is connected with a limiting rod (352), a fixing groove (353) is arranged outside the limiting rod (352), a threaded column (354) is connected inside the fixing groove (353), a movable rod (355) is connected inside the movable groove (351), a telescopic rod (356) is connected behind the movable rod (355), a clamping block (358) is connected at the rear part of the telescopic rod (356), a spring (357) is connected outside the telescopic rod (356), the movable groove (351) is of a hollow structure, and a through hole is arranged at the rear part of the movable groove (351), the holders (35) are provided with four groups, and the clamper (35) is respectively connected above the guide supporting block (312), a thread groove is arranged at the center of the fixing groove (353), and the fixing groove (353) is in threaded connection with the thread column (354).

9. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 1, wherein: the cleaning assembly (6) comprises a brush roller (61), a supporting rod (62) is arranged on the left side of the brush roller (61), a first brush tooth (63) is connected to the right side of the supporting rod (62), a second brush tooth (64) is connected to the bottom of the supporting rod (62), a motor is connected to the rear side of the brush roller (61), the upper portion of the supporting rod (62) is connected to the outer portion of the stand column (4), the supporting rod (62) is arc-shaped, and the first brush tooth (63) and the second brush tooth (64) are inclined.

10. The indirect feeding type self-fastening workbench for the double-station engraving and milling machine as claimed in claim 1, wherein: the top of support frame (71) is connected with extension board (72) through hexagonal bolt, the internal connection of extension board (72) has first rack (73) and second rack (74), support frame (71) are C shape frame construction, and support frame (71) be in remove subassembly (34) with between operation panel (311), support frame (71) fixed connection is at the inner wall of brace table (22), and support frame (71) are in between polished rod (24) and lead screw (23), second rack (74) are in the front of first gear (317), and second rack (74) are the meshing with first gear (317) and are connected, the both ends of second rack (74) all are provided with limit stop, first rack (73) are in the rear of second gear (337), and first rack (73) are the meshing with second gear (337) and are connected.