CN113059370B

CN113059370B - Indirect feeding type self-fastening workbench for double-station engraving and milling machine

Info

Publication number: CN113059370B
Application number: CN202110509376.5A
Authority: CN
Inventors: 耿文丽
Original assignee: Hunan Xiangjiang Tool Manufacturing Co ltd
Current assignee: Hunan Xiangjiang Tool Manufacturing Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2023-08-22
Anticipated expiration: 2041-05-11
Also published as: CN113059370A

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, an upright post, an engraving mechanism and a brush roller, wherein a driving table is connected above the base, an adjusting component is connected above the driving table, the adjusting component comprises a first clamping component and a second clamping component, the upright post is connected above the base, the engraving mechanism is connected above the upright post, a cleaning component is connected with the front surface of the upright post, and a driving component is connected inside the driving table. According to the invention, through the arrangement of the driving assembly, the two operation tables can realize automatic clamping and loosening of the clamp holder while intermittent feeding is performed, so that the self-fastening during feeding and the 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 a numerical control machine tool, is generally considered to be a numerical control milling machine using a small cutter, a high-power and high-speed spindle motor, can be used for engraving and milling, and is a high-efficiency and high-precision numerical control machine tool, wherein the small engraving and milling machine is usually used for engraving the surface or drilling the center of an aluminum plate or a copper plate.

However, when the existing engraving and milling machine is used for machining parts, a screw rod control single station is usually adopted to move, feeding and machining of the parts are achieved, when loading and unloading of the parts are carried out, the parts are required to be manually clamped in a fixed center and further moved to the position right below a cutter to be machined, an operating platform is moved out after machining is finished, then the parts on the operating platform are detached, new parts to be machined are fixed above, the cyclic work is carried out, machining of the parts is achieved, when the equipment is used for machining of a large number of parts, the steps are excessively complicated, a large amount of time is consumed, the machining efficiency of the parts of the equipment is reduced, and therefore the production efficiency of the equipment is reduced.

Disclosure of Invention

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

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a duplex position carving mills quick-witted with indirect material loading formula from fastening workstation, includes base, stand, engraving mechanism and brush roller, the top of base is connected with the drive table, the top of drive table is connected with adjusting part, adjusting part includes first clamping part and second clamping part, the top of base is connected with the stand, the top of stand is connected with engraving mechanism, the front of stand is connected with the clearance subassembly, the internally connected of drive table has drive assembly, drive assembly includes the support frame, the top of support frame is connected with the extension board, the internally connected of extension board has first rack and second rack.

Preferably, the driving platform comprises a driving motor, the right side of the driving motor is provided with a supporting platform, the output end of the driving motor is connected with a screw rod, the front side and the rear side of the screw rod are both provided with polished rods, the upper side of the supporting platform is connected with a control button, the front side and the rear side of the supporting platform are provided with material collecting grooves, and the upper side of the supporting platform is connected with a protection plate.

Preferably, the left and right ends of the lead screw are provided with ball bearings, the external engagement of the lead screw is connected with a nut pair, the upper part of the polished rod is connected with a sliding block, the upper part of the protection plate is provided with a guide groove, the left and right sides of the material collecting groove are further provided with material receiving openings, and the diameter of each material receiving opening is larger than the width of the material guiding plate.

Preferably, the adjusting component comprises a first clamping component, the right side of the first clamping component is connected with a second clamping component through a guide plate, the lower parts of the first clamping component and the second clamping component are connected with a moving component, the upper parts of the first clamping component and the second clamping component are all provided with a clamp holder, the second clamping component comprises a second gear, the moving component comprises a moving plate, the lower part of the moving plate is connected with a sliding block, and the lower part of the moving plate is connected with a nut pair.

Preferably, the first clamping assembly and the second clamping assembly have the same structure, the cross section of the material guide plate is triangular, the front end and the rear end of the material guide plate are static and correspond to the upper part of the material receiving opening of the material collecting groove, the upper surface of the material guide plate is smooth, and the upper surface of the material guide plate is sprayed with a protective coating.

Preferably, the first clamping assembly comprises an operation table, a guide supporting block is arranged above the operation table, an adjusting rod is connected to the lower portion of the guide supporting block, a rotary table is connected to the upper portion of the adjusting rod, a sleeve is connected to the lower portion of the rotary table, a driving shaft penetrates through the center of the rotary table, a movable column is connected to the center of the sleeve, and a first gear is connected to the bottom of the driving shaft.

Preferably, the guide through groove is formed in the upper portion of the operation table, the guide support block is connected with the upper portion of the guide through groove in a sliding mode, the guide support block is in rotary connection with the adjusting rod through the rotating pin, the adjusting rod is located between the rotary table and the sleeve, the other end of the adjusting rod is in rotary connection with the rotary table through the rotating pin, the center of the rotary table is fixedly connected with a driving shaft, ball bearings are arranged on the upper side and the lower side of the driving shaft, the first gear is in meshed connection with the second rack, and the second gear is in meshed connection with the first rack.

Preferably, the holder includes the movable groove, the front of movable groove is connected with the gag lever post, the outside of gag lever post is provided with the fixed slot, the internally connected of fixed slot has the screw thread post, the internally connected of movable 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 movable groove is hollow structure, and the through-hole has been seted up at the rear of movable groove, the holder is provided with four groups altogether, and the holder is connected in the top of direction supporting shoe respectively, the screw 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 cleaning assembly comprises a brush roller, a supporting rod is arranged on the left side of the brush roller, a first brush tooth is connected to the right side of the supporting rod, a second brush tooth is connected to the bottom of the supporting rod, a motor is connected to the rear of the brush roller, the upper portion of the supporting rod is connected to the outer portion of the upright post, the supporting rod is arc-shaped, and the first brush tooth and the second brush tooth are all inclined.

Preferably, the top of support frame is through hexagon bolted connection having extension board, extension board's internal connection has first rack and second rack, the support frame is C shape frame construction, and the support frame be in between the removal subassembly and the operation panel, support frame fixed connection is in 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 connection with first gear, the both ends of second rack all are provided with limit stop, the first rack is in the rear of second gear, and the first rack is the meshing connection with the second gear.

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

1. this duplex position carving mills quick-witted with indirect material loading formula from fastening workstation removes the cooperation about through duplex position, can realize the indirect type feed when processing equipment parts to compare traditional simplex position processing mode, can carry out the centre gripping installation to another workstation part when processing the part at a workstation, thereby realize the indirect type material loading in turn of duplex position, thereby can effectually improve the material loading efficiency of equipment, further saved the time that the unloading was spent on simplex position.

2. This duplex position carving mills quick-witted with indirect material loading formula self-tightening workstation passes through linkage subassembly's setting, can realize when the operation panel is changed in turn, realize the self-tightening regulation of clamping assembly, when one of them operation panel moves to engraving mechanism's below, can realize the holder of this operation panel top simultaneously and carry out centre gripping work, thereby realize the centre gripping to the part is fixed, and can guarantee the centre fixing centre gripping of part when the centre gripping, while another operation panel is in principle engraving mechanism below, realize the unclamping of top holder, and then be convenient for take out of part, thereby realize the fixed to the part when the operation panel moves, further improved the fixed efficiency of part centre gripping, can effectual cooperation operation panel elasticity improve feed efficiency, save operating time, improve production efficiency, simultaneously through the adjustable length of holder, be convenient for realize carrying out centre gripping to the rectangle part of different sizes fixedly.

3. This duplex position carving mills quick-witted is with setting up cooperation of indirect material loading formula self-tightening workstation through clearance subassembly, when the part shifts out carving mechanism below, can realize sweeping the clearance to the remaining iron fillings of part top processing to when carrying out the not hard up of part, can make things convenient for the part directly to take out, reduce follow-up clearance process to the remaining iron fillings in part surface, reduce the remaining iron fillings of operation panel top simultaneously, keep the surperficial clean and tidy nature of operation panel, the centre gripping of follow-up part of being convenient for is fixed, has further improved the work and the production efficiency of equipment.

Drawings

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

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

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

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

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

FIG. 6 is a schematic view of a second state structure of the clamping assembly according to the present invention;

FIG. 7 is a schematic top view of a drive assembly according to the present invention;

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

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

In the figure: 1. a base; 2. a drive table; 21. a driving motor; 22. a support table; 23. a screw rod; 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. an adjusting rod; 316. a sleeve; 317. a first gear; 318. a movable column; 32. a material guide plate; 33. a second clamping assembly; 337. a second gear; 34. a moving assembly; 341. a moving plate; 342. a slide block; 343. a nut pair; 35. a holder; 351. a movable groove; 352. a limit rod; 353. a fixing groove; 354. a threaded column; 355. a movable rod; 356. a telescopic rod; 357. a spring; 358. a clamping block; 4. a column; 5. carving mechanism; 6. cleaning the assembly; 61. a brush roller; 62. a support rod; 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. and a second rack.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

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

the utility model provides a duplex position carving mills quick-witted indirect material loading formula self-tightening workstation, including base 1, stand 4, engraving mechanism 5 and brush roller 61, the top of base 1 is connected with drive table 2, the top of drive table 2 is connected with adjusting part 3, adjusting part 3 includes first clamping part 31 and second clamping part 33, the top of base 1 is connected with stand 4, the top of stand 4 is connected with engraving mechanism 5, the front of stand 4 is connected with clearance subassembly 6, the internally connected of drive table 2 has drive part 7, drive part 7 includes support frame 71, the top of support frame 71 is connected with extension board 72, the internally connected of extension board 72 has first rack 73 and second rack 74, through the setting of this structure, can be at first to the indirect control of first clamping part 31 and second clamping part 33, when first clamping part 31 and second clamping part 33 remove, when the setting of this structure can realize that first clamping part 31 moves to the left side, top holder 35 opens, simultaneously second clamping part 33 left side removes simultaneously and is connected with clearance subassembly 6, the inside of being connected with drive part 7, the inside of extension board 72 is connected with first rack 73 and second rack 74, can realize that the clamping part 35 is moved to the fixed part is moved to the right side when the second clamping part 35, and part 35 is not moved to the fixed part, the work is guaranteed, simultaneously, the clamping part is moved to the holding part is moved to the side when the fixed part is moved to the second clamping part is moved, and is moved to the work is guaranteed to the side 5.

Further, the driving table 2 comprises a driving motor 21, a supporting table 22 is arranged on the right side of the driving motor 21, a lead screw 23 is connected to the output end of the driving motor 21, polished rods 24 are arranged on the front side and the rear side of the lead screw 23, control buttons 26 are connected to the upper side of the supporting table 22, a collecting groove 25 is arranged on the front side and the rear side of the supporting table 22, a protection plate 27 is connected to the upper side of the supporting table 22, movement of the upper adjusting assembly 3 can be driven through the arrangement of the structure, and a controller is connected to the outer side of the driving motor 21, so that work start-stop control of forward and reverse rotation of the driving motor 21 can be achieved.

Further, both ends all are provided with ball bearings 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 groove 25 and then be provided with the receiving mouth gathers materials, and the diameter of receiving 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 nut pair 343 and remove when rotating through lead screw 23, thereby drive top movable plate 341 and remove, thereby drive first clamping component 31 and second clamping component 33 and remove.

Further, the adjusting component 3 includes the first clamping component 31, the right side of the first clamping component 31 is connected with the second clamping component 33 through the stock guide 32, the below of the first clamping component 31 and the second clamping component 33 is connected with the moving component 34, the top of the first clamping component 31 and the second clamping component 33 is all provided with the holder 35, through the setting of this structure, the intermittent type formula of duplex feeding operation of equipment is realized, thereby improve the work efficiency of equipment, the production efficiency is increased, the second clamping component 33 includes the second gear 337, the second clamping component 33 is the same as the structure of the first clamping component 31, the setting of being convenient for carry out drive control to the holder 35 of second clamping component 33 top through the setting of second gear 337, the moving component 34 includes the movable plate 341, the below of movable plate 341 is connected with slider 342, the below of movable plate 341 is connected with nut pair 343, the setting of this structure can realize the removal of movable plate 341 through the rotation of lead screw 23, and then the movable control to the first clamping component 31 and the second clamping component 33 of the structure can realize the stability of movement of guide plate 341 through the slider 342 further through the slider 342.

Further, the first clamping component 31 is the same as the second clamping component 33 in structure, the cross section of the guide plate 32 is triangular, the front end and the rear end of the guide plate 32 are static and correspond to the upper portion of the material receiving opening of the material collecting groove 25, the upper surface of the guide plate 32 is smooth, the upper surface of the guide plate 32 is sprayed with a protective coating, the guide collection treatment of scrap iron can be realized through the guide plate 32, the first clamping component 31 and the second clamping component 33 move, the collection of residual scrap iron on the surface of a part can be realized through the cleaning component 6 arranged above, the residual scrap iron is pushed to the guide plate 32 for guide collection, waterproof smooth paint is sprayed on the surface, the scrap iron is reduced, rust is avoided when the scrap iron is residual, and the surface smoothness of the scrap iron is reduced.

Further, the first clamping assembly 31 comprises an operation table 311, a guide supporting block 312 is arranged above the operation table 311, an adjusting rod 315 is connected to the lower side of the guide supporting block 312, a rotary table 314 is connected to the upper side of the adjusting rod 315, a sleeve 316 is connected to the lower side of the rotary table 314, a driving shaft 313 penetrates through the center of the rotary table 314, a movable column 318 is connected to the inner side of the sleeve 316, the movable column 318 is connected with the sleeve 316, auxiliary guide use of the guide supporting block 312 is achieved, a first gear 317 is connected to the bottom of the driving shaft 313, rotation control of the driving shaft 313 can be achieved through rotation of the first gear 317, the rotary table 314 is driven to rotate through rotation of the driving shaft 313, rotation of the adjusting rod 315 is achieved, and further movement of the guide supporting block 312 and forward and reverse rotation control are achieved, so that clamping and unfolding of the guide supporting block 312 are achieved.

Further, a guiding through groove is formed above the operation table 311, a guiding support block 312 is slidingly connected above the guiding through groove, the guiding support block 312 is rotationally connected with an adjusting rod 315 through a rotating pin, the adjusting rod 315 is located between a turntable 314 and a sleeve 316, the other end of the adjusting rod 315 is rotationally connected with the turntable 314 through the rotating pin, a driving shaft 313 is fixedly connected to the center of the turntable 314, ball bearings are arranged on the upper side and the lower side of the driving shaft 313, friction is reduced, meanwhile, the driving shaft 313 is supported, the driving shaft 313 is convenient to rotate, the first gear 317 and the second gear 74 are in meshed connection, the second gear 337 and the first gear 73 are in meshed connection, accordingly when the first clamping assembly 31 and the second clamping assembly 33 move rightward, the first gear 317 and the second gear 74 are meshed, the first clamping assembly 31 is clamped, and the second clamping assembly 33 is unfolded through the second gear 337 and the first gear 73, and conversely, the first clamping assembly 31 is unfolded and the second clamping assembly 33 is clamped when the second clamping assembly moves leftward.

Further, the holder 35 includes the movable groove 351, the front of movable groove 351 is connected with the gag lever post 352, the outside of gag lever post 352 is provided with fixed slot 353, the internally connected of fixed slot 353 has screw thread post 354, the internally connected of movable groove 351 has movable rod 355, the rear of movable rod 355 is connected with telescopic rod 356, the rear of telescopic rod 356 is connected with grip block 358, the external connection of telescopic rod 356 has spring 357, movable groove 351 is hollow structure, and the through-hole has been seted up at the rear of movable groove 351, holder 35 is provided with four groups altogether, and holder 35 connects in the top of direction supporting shoe 312 respectively, the screw thread groove has been seted up at the center of fixed slot 353, and fixed slot 353 is threaded connection with screw thread post 354, through the setting of this structure, when direction supporting shoe 312 carries out the centre gripping, can realize the centre gripping to the part through the setting of this structure, and through the cooperation of grip block 358 and movable rod 355, can realize the slope adjustment to the part centre gripping, the sideline parallel, thereby guarantee the centre gripping of part is fixed, simultaneously through screw thread post 354 and the fixed connection of fixed slot 353, thereby can realize the realization of the centre gripping distance at the same distance can be adjusted when the realization of the centre gripping of the part 353.

Further, the cleaning component 6 includes the brush roller 61, the left side of brush roller 61 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, the rear of brush roller 61 is connected with the motor, the top of bracing piece 62 is connected in the outside of stand 4, bracing piece 62 is circular-arc, first brush tooth 63 and second brush tooth 64 all are the slope form, through the setting of this structure, can realize cleaning the residual iron fillings of part upper surface, thereby realize cleaning the part surface bits at the in-process that carries out the centre gripping loose of part, the shape of first brush tooth 63 and second brush tooth 64 is the same, all be unilateral rack bar array distribution structure, and the rack bar of first brush tooth 63 and second brush tooth 64 is the cross structure from top to bottom.

Further, the extension board 72 is connected to the top of the support 71 through a hexagonal bolt, the first rack 73 and the second rack 74 are connected to the inside of the extension board 72, the support 71 is in a C-shaped frame structure, the support 71 is located between the moving assembly 34 and the operation platform 311, the support 71 is fixedly connected to the inner wall of the support platform 22, the support 71 is located between the polished rod 24 and the screw rod 23, the second rack 74 is located on the front face of the first gear 317, the second rack 74 is in meshed connection with the first gear 317, limit stops are arranged at two ends of the second rack 74, the first rack 73 is located behind the second gear 337, the first rack 73 is in meshed connection with the second gear 337, and through the mutual matching arrangement of the structures, the opposite rotation direction control of the first gear 317 and the second gear 337 can be realized respectively through the dislocation arrangement of the first rack 73 and the second rack 74 while the second clamping assembly 33 and the first clamping assembly 31 move.

Working principle: when the invention is used, the first clamping assembly 31 is firstly 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 is used for controlling the starting of the driving motor 21, the driving motor 21 is rotated to realize the position driving of the moving assembly 34 through the rotation of the lead screw 23, the right side of the first clamping assembly 31 and the second clamping assembly 33 is further realized, the movement is simultaneously realized, 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 can be realized, the rotation of the first gear 317 and the rotation of the first clamping assembly 31 to the right side can be realized, the rotation of the driving shaft 313 can be further realized through the rotation of the first gear 317, the rotation of the rotating disc 314 is further realized, the contraction of the adjusting rod 315 is realized, the position pulling of the guiding supporting block 312 is realized through the rotation of the rotating disc 314, the clamping and the fixing of the part above the guiding supporting block 312 is realized through the clamping 35, the center of the part can be ensured to be fixedly clamped, the clamping of the part is simultaneously realized through the meshing of the second rack 73 and the second gear 337 and the meshing of the second rack 74 and the first gear 317 and the second clamping assembly 337 are simultaneously realized, and the part is placed on the right side of the second clamping assembly 33 when the part is placed on the second clamping assembly 33 to be processed.

When the processing of the part above the operation platform 311 is finished, the overturning of the driving motor 21 can be realized through the control of the controller, so that the first clamping component 31 and the second clamping component 33 move leftwards, the first clamping component 31 is unfolded, the second clamping component 33 clamps the part while moving, the part above the second clamping component 33 is processed conveniently, the upper cleaning component 6 rotates to work while the operation platform 311 moves leftwards, the residual scrap iron on the surface of the part above the operation platform 311 can be cleaned through the anticlockwise rotation of the upper brush roller 61, the residual scrap iron is guided and collected through the guide plate 32, and similarly, when the second clamping component 33 moves rightwards, the upper brush roller 61 rotates clockwise, the scrap iron is cleaned, and residues attached inside the brush roller 61 are removed while the brush roller 61 rotates through the arrangement of the first brush teeth 63 and the second brush teeth 64, so that the cleaning of the brush roller 61 is ensured, and the residues are prevented from falling above the feeding part when the second clamping component 33 moves leftwards.

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 characteristics 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 quick-witted with indirect material loading formula from fastening workstation, includes base (1), stand (4), carving mechanism (5) and brush roller (61), its characterized in that: the novel cleaning device is characterized in that a driving table (2) is connected to the upper side of the base (1), an adjusting component (3) is connected to the upper side of the driving table (2), the adjusting component (3) comprises a first clamping component (31) and a second clamping component (33), a stand column (4) is connected to the upper side of the base (1), an engraving mechanism (5) is connected to the upper side of the stand column (4), a cleaning component (6) is connected to the front side of the stand column (4), a driving component (7) is connected to the inner side of the driving table (2), the driving component (7) comprises a supporting frame (71), an extending plate (72) is connected to the upper side of the supporting frame (71), and a first rack (73) and a second rack (74) are connected to the inner side of the extending plate (72).

The adjusting component (3) comprises a first clamping component (31), the right side of the first clamping component (31) is connected with a second clamping component (33) through a guide plate (32), the upper parts of the first clamping component (31) and the second clamping component (33) are connected with a moving component (34), the upper parts of the first clamping component (31) and the second clamping component (33) are respectively provided with a clamp holder (35), the second clamping component (33) comprises a second gear (337), the moving component (34) comprises a moving plate (341), the lower part of the moving plate (341) is connected with a sliding block (342), the lower part of the moving plate (341) is connected with a nut pair (343), the first clamping component (31) comprises an operating table (311), the upper part of the operating table (311) is provided with a guide supporting block (312), the lower part of the guide supporting block (312) is connected with an adjusting rod (315), the upper part of the adjusting rod (315) is connected with a rotary table (314), the lower part of the rotary table (314) is connected with a first sleeve (316), the lower part of the rotary table (314) is connected with a second sleeve (314), the rotary table (316) is connected with a first sleeve (313) through the rotary table (316), a guide through groove is formed in the upper portion of the operation table (311), a guide supporting block (312) is connected above the guide through groove in a sliding mode, the guide supporting block (312) is in rotary connection with an adjusting rod (315) through a rotary pin, the adjusting rod (315) is located between a rotary table (314) and a sleeve (316), the other end of the adjusting rod (315) is in rotary connection with the rotary table (314) through the rotary pin, a driving shaft (313) is fixedly connected to the center of the rotary table (314), ball bearings are arranged on the upper side and the lower side of the driving shaft (313), the first gear (317) is in meshed connection with a second rack (74), and the second gear (337) is in meshed connection with the first rack (73);

the clamp holder (35) comprises a movable groove (351), the front of the movable groove (351) is connected with a limiting rod (352), the outside of the limiting rod (352) is provided with a fixed groove (353), the inside of the fixed groove (353) is connected with a threaded column (354), the inside of the movable groove (351) is connected with a movable rod (355), the rear of the movable rod (355) is connected with a telescopic rod (356), the rear of the telescopic rod (356) is connected with a clamping block (358), the outside of the telescopic rod (356) is connected with a spring (357), the movable groove (351) is of a hollow structure, through holes are formed in the rear of the movable groove (351), the clamp holder (35) is provided with four groups in total, the clamp holder (35) is connected to the upper portion of the guide support block (312) respectively, the center of the fixed groove (353) is provided with a threaded groove, and the fixed groove (353) is in threaded connection with the threaded column (354).

2. The indirect feeding type self-fastening workbench for double-station engraving and milling machine as claimed in claim 1, wherein the indirect feeding type self-fastening workbench is characterized in that: the driving table (2) comprises a driving motor (21), a supporting table (22) is arranged on the right side of the driving motor (21), a lead screw (23) is connected to the output end of the driving motor (21), polished rods (24) are arranged on the front side and the rear side of the lead screw (23), a control button (26) is connected to the upper portion of the supporting table (22), a collecting groove (25) is arranged on the front side and the rear side of the supporting table (22), and a protection plate (27) is connected to the upper portion of the supporting table (22).

3. The indirect feeding type self-fastening workbench for double-station engraving and milling machine as claimed in claim 2, wherein the indirect feeding type self-fastening workbench is characterized in that: both ends all are provided with ball bearings 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 vat (25) is provided with the receiving port, and the diameter of receiving port is greater than the width of stock guide (32).

4. The indirect feeding type self-fastening workbench for double-station engraving and milling machine as claimed in claim 1, wherein the indirect feeding type self-fastening workbench is characterized in that: the structure of the first clamping assembly (31) is the same as that of the second clamping assembly (33), the cross section of the material guide plate (32) is triangular, the front end and the rear end of the material guide plate (32) are static and correspond to the upper part of the material receiving opening of the material collecting groove (25), the upper surface of the material guide plate (32) is smooth, and a protective coating is sprayed on the upper surface of the material guide plate (32).

5. The indirect feeding type self-fastening workbench for double-station engraving and milling machine as claimed in claim 1, wherein the indirect feeding type self-fastening workbench is characterized in that: 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 on 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 of the brush roller (61), the upper portion of the supporting rod (62) is connected to the outer portion of the upright post (4), the supporting rod (62) is arc-shaped, and the first brush tooth (63) and the second brush tooth (64) are all inclined.

6. The indirect feeding type self-fastening workbench for double-station engraving and milling machine as claimed in claim 1, wherein the indirect feeding type self-fastening workbench is characterized in that: the top of support frame (71) is through hex bolts connection having extension board (72), 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) are in between moving assembly (34) and operation panel (311), support frame (71) fixed connection is in the inner wall of supporting bench (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).