A blanking device for a metal working machine tool

Abstract

The application discloses a discharging device of a metal processing machine tool and relates to the technical field of machine tool discharging, which comprises a processing bed, and further comprises a protective door slidingly installed on the inner wall of the processing bed, a sliding table slidingly installed on the top of the inner wall of the processing bed, a rotating column rotatably installed at the bottom of the sliding table, a motor fixedly installed on the inner wall of the sliding table, a rotating column fixedly connected with the output end of the motor, an electric push rod rotatably installed at the bottom of the rotating column, a chuck fixedly installed on the side of the electric push rod close to a clamp, a clamping jaw slidingly installed on the side of the chuck close to the clamp, and a round opening formed in the inner wall of the chuck; and a grabbing device for taking out workpieces is arranged on the inner wall of the processing bed, the necessary operation of opening the protective door is combined with the process of grabbing and clamping the workpieces, the clamping action does not need an additional power source or control signal to be started, and the system structure is simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machine tool blanking, in particular to a blanking device of a metal processing machine tool. BACKGROUND

[0002] In the field of metal processing, after the turning processing of workpieces is completed by machine tools such as numerical control lathes and automatic lathes, the finished workpieces need to be taken off from the main shaft of the machine tool and collected, which is called "blanking". The traditional old machine tool blanking usually relies on manual operation, that is, the operator opens the protective door and manually takes the finished workpiece from the chuck.

[0003] Patent No. CN110449965B relates to the technical field of machine tool blanking, which includes a base and a support arranged on the base, a mechanical hand is arranged on the support, a tray is arranged on the base and has a hole for vertically inserting the workpiece, the mechanical hand can clamp the workpiece and vertically flip the workpiece by a certain angle, a placing rack for horizontally placing the workpiece is arranged on one side of the mechanical hand, a rotating mechanism for driving the placing rack to horizontally rotate to a certain angle is arranged on the base, and a measuring assembly for measuring the workpiece is arranged on one side of the placing rack. The automatic feeding and discharging device of the machine tool has the advantages of being able to feed the workpiece after turning and being reliable in work.

[0004] The above-mentioned patent can feed the workpiece after turning and is reliable in work, but the blanking device in actual use can complete the grabbing and transferring of the processed workpiece, but its action process usually depends on the manual operation of the operator or the driving of an independent power source. This design leads to the lack of internal linkage between the clamping and blanking actions of the workpiece and the overall operation cycle of the machine tool, which not only increases the complexity and labor intensity of the operation, but also has reliability risks. When the workpiece is finished cutting, if the operator does not apply enough clamping force in time, the workpiece is easy to loosen or even fall off during the transferring process, which may cause surface scratching, deformation or scrap of the workpiece, and even cause equipment failure or personal safety accidents. At the same time, since the old device does not have automatic force feedback and stroke termination mechanism, the clamping force is controlled completely by experience, which cannot adapt to the characteristics of different workpieces, and is easy to cause transferring failure due to too small clamping force, or damage the surface of precision workpieces due to too large clamping force, which not only reduces the stability and safety of the machine tool blanking process, but also restricts the improvement of the production efficiency and automation level of the whole processing unit. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a blanking device of a metal processing machine tool, which solves the problems raised in the background art.

[0006] To achieve the above object, the present application is implemented by the following technical solutions: A blanking device of a metal processing machine tool, comprising a processing bed, the blanking device further comprising:

[0007] A protective door slidingly installed on the inner wall of the processing bed;

[0008] A clamp rotatably installed on the inner wall of the processing bed;

[0009] A tool holder slidingly installed on the inner wall of the processing bed;

[0010] A cooling pipe arranged on the inner wall of the processing bed;

[0011] A sliding table slidingly installed on the top of the inner wall of the processing bed, a rotating column rotatably installed on the bottom of the sliding table, a motor fixedly installed on the inner wall of the sliding table, the output end of the motor fixedly connected with the rotating column, an electric push rod rotatably installed on the bottom of the rotating column, a chuck fixedly installed on the side of the electric push rod close to the clamp, a jaw slidingly installed on the side of the chuck close to the clamp, and a round opening formed in the inner wall of the chuck;

[0012] A grabbing device for taking out the workpiece arranged on the inner wall of the processing bed;

[0013] A supporting device for strengthening the support of the workpiece arranged on the outer wall of the electric push rod;

[0014] An auxiliary device for strengthening the supporting effect of the electric push rod arranged on the outer wall of the electric push rod.

[0015] According to the above technical solutions, the grabbing device comprises a rack one, a gear, a rack two, a disc, a hydraulic device one, a hydraulic device two, and a stopper, the rack one is slidingly installed on the top of the inner wall of the processing bed, the rack one is fixedly connected with the protective door, the gear is rotatably installed on the top of the inner wall of the processing bed, the rack two is slidingly installed on the top of the inner wall of the processing bed, the hydraulic device two is arranged on the inner wall of the sliding table, the stopper is slidingly installed on the inner wall of the sliding table and in contact with the rack two, the hydraulic device one is arranged on the inner wall of the output end of the electric push rod, the movable end of the hydraulic device one slidingly penetrates the chuck, the disc is slidingly installed on the inner wall of the chuck, the movable end of the hydraulic device one is fixedly connected with the disc, and the stopper is moved by contacting the inclined surface of the stopper to be separated from the contact with the rack two, which realizes the automatic release of the driving effect of the rack two on the sliding table while the jaw completes the fixation of the workpiece, so as to accurately terminate the clamping action.

[0016] According to the technical scheme, the grabbing device further comprises a sliding block, a connecting rod I, a sliding block, a connecting rod II, a key, the sliding block is slidingly installed on the inner wall of the chuck, one end of the connecting rod I is rotatably connected with the sliding block, the other end of the connecting rod I is rotatably connected with the claw, the sliding block is slidingly installed on the inner wall of the chuck, one end of the connecting rod II is rotatably connected with the sliding block, the other end of the connecting rod II is rotatably connected with the sliding block, the key is fixedly installed on one side of the chuck close to the electric push rod, a slot is formed on one side of the sliding block close to the key, the sliding block is in contact with the inner wall of the key, and the linear feeding motion of the sliding table is converted into self-adaptive clamping force on the workpiece through the contact between the disc and the inclined surface of the sliding block.

[0017] According to the technical scheme, one side of the rack II close to the block is provided with a push plate I and a push plate II, the rack II is in contact with the push plate I and the push plate II, the push plate I is fixedly connected with the rack II, the push plate II slidingly penetrates the inner wall of the rack II, one side of the push plate II away from the block is provided with an inclined surface, and the push plate II is provided with the inclined surface, so that the rack II is not blocked when being reset. The grabbing device further comprises a spring I arranged between the disc and the chuck, a spring II arranged between the sliding block and the chuck, one side of the sliding block close to the disc is provided with an inclined surface, one side of the block close to the hydraulic device II is provided with an inclined surface, the block is provided with the inclined surface, so that the movable end of the hydraulic device II can push the block to move, the hydraulic device II and the hydraulic device I are communicated through a hose, the hose is embedded in the inner wall of the electric push rod, and one side of the block away from the rack II is provided with an inclined surface.

[0018] According to the technical scheme, the support device comprises a connecting rod III, a sliding ring, a push rod, a limiting block, a pushing rod, a support plate and a roller, the sliding ring is slidingly installed on the outer wall of the output end of the electric push rod, one end of the connecting rod III is rotatably connected with the sliding ring, the other end of the connecting rod III is rotatably connected with the sliding block, the limiting block is slidingly installed on one side of the fixed end of the electric push rod close to the output end, the output end of the electric push rod is provided with a sliding groove on one side close to the limiting block, the limiting block is in contact with the inner wall of the sliding groove, the push rod is fixedly installed on one side of the sliding ring close to the limiting block, the pushing rod is fixedly installed on one side of the sliding ring close to the chuck, the support plate is slidingly installed on the inner wall of the chuck, the support plate is fixedly connected with the pushing rod, the roller is rotatably installed on the inner wall of the support plate, and the roller arranged on the front end of the support plate rolls when being in contact with the surface of the workpiece. This realizes instant auxiliary support for the slender or overhanging workpiece during the process that the electric push rod drives the workpiece to move out, effectively inhibits the bending deformation and vibration of the workpiece caused by gravity or inertia.

[0019] According to the technical scheme, one side of the push rod close to the limiting block is provided with an inclined surface, one side of the limiting block close to the push rod is provided with an inclined surface, and the spring III is arranged between the limiting block and the electric push rod, so that the limiting block can be driven to move away from the sliding groove.

[0020] According to the technical scheme, the auxiliary device comprises a supporting rod, a sliding arc plate, a sliding block, a limiting rod, a blocking rod and a pushing rod, the supporting rod is rotationally installed on the outer wall of the electric push rod, the sliding arc plate is slidingly installed on the outer wall of the electric push rod, the sliding block is slidingly installed on one side of the sliding arc plate close to the supporting rod, the limiting rod is slidingly installed on the outer wall of the electric push rod, a circular hole is formed on one side of the sliding arc plate close to the limiting rod, the limiting rod is in contact with the inner wall of the circular hole, the blocking rod is slidingly installed on one side of the electric push rod close to the limiting rod, the pushing rod is slidingly installed on one side of the electric push rod close to the blocking rod, and the supporting rod is in contact with the surface of the output end under the action of the torsion spring, thereby forming effective support.

[0021] According to the technical scheme, the auxiliary device further comprises a fixing block, a sliding rod and a clamping block, the fixing block is fixedly installed on one side of the sliding arc plate close to the sliding ring, the sliding rod is slidingly installed on one side of the electric push rod close to the fixing block, and the clamping block is slidingly installed on one side of the electric push rod close to the sliding rod, one side of the supporting rod close to the clamping block is provided with a slot, and the clamping block is matched with the slot in shape.

[0022] According to the technical scheme, the auxiliary device further comprises a torsion spring arranged between the supporting rod and the electric push rod, a spring four arranged between the sliding arc plate and the electric push rod, a slope arranged on one side of the sliding block away from the supporting rod, a spring five arranged between the sliding block and the sliding arc plate, a slope arranged on one side of the pushing rod close to the blocking rod, a slope arranged on one side of the pushing rod close to the pushing rod, a slope arranged on one side of the fixing block close to the sliding rod and a slope arranged on one side of the clamping block close to the sliding rod.

[0023] Compared with the prior art, the present application has the following beneficial effects:

[0024] 1. In the present application, the opening of the protective door, which is a necessary operation, is combined with the clamping process of the workpiece, so that the clamping action can be started without an additional power source or control signal, and the system structure is simplified. Through the contact between the disc and the inclined surface of the sliding block, the linear feeding motion of the sliding table is converted into self-adaptive clamping force on the workpiece, so that stable and reliable clamping force can be generated after the clamping jaw contacts the workpiece. By moving the blocking block, the blocking block is separated from the contact with the rack two, which realizes that the clamping jaw completes the fixation of the workpiece at the same time, automatically releases the driving action of the rack two on the sliding table, and thus accurately terminates the clamping action, prevents system overload and protects the workpiece.

[0025] 2、The invention, while the clamping jaw completes the workpiece clamping, automatically releases the mechanical limiting of the output end of the electric push rod, so that it can smoothly perform the subsequent workpiece transfer operation. During the whole process, the clamping state of the workpiece and the unlocking action of the electric push rod form a mechanical linkage, ensuring that the transfer process will only start after the workpiece is reliably grabbed, effectively preventing damage or falling risk of the workpiece caused by forced dragging in an unclamped state. The movement of the sliding ring drives the push rod to act synchronously, pushing the support plate to extend towards the workpiece, providing additional support for the overhanging workpiece. The roller set at the front end of the support plate rolls when in contact with the surface of the workpiece, achieving instant auxiliary support for the slender or overhanging workpiece during the process of moving out by the electric push rod, effectively inhibiting the bending deformation and vibration of the workpiece due to gravity or inertia.

[0026] 3、The invention, by pushing the push rod to temporarily block the sliding arc plate, limiting its travel, avoiding excessive movement, when the output end of the electric push rod extends, the push rod is separated from the push rod, the stopper resets to remove the block, the support rod is in contact with the surface of the output end under the action of the torsional spring, forming effective support, then the fixed block pushes the sliding rod and the clamping block to limit the support rod, ensuring the stability of the support, which realizes the automatic unfolding and locking of the support structure during the extension and retraction of the output end, ensuring the support rigidity when the output end extends, and avoiding structural interference when it retracts. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The overall structure of the invention is shown in the figure;

[0028] Figure 2 The position structure of the clamping and tool holder of the invention is shown in the figure;

[0029] Figure 3 The position structure of the sliding table and rotating column of the invention is shown in the figure;

[0030] Figure 4 The position structure of the gear and rack one of the invention is shown in the figure;

[0031] Figure 5 The position structure of the hydraulic device two and stopper of the invention is shown in the figure;

[0032] Figure 6 The internal structure of the hydraulic device one of the invention is shown in the figure;

[0033] Figure 7 The position structure of the sliding block and connecting rod one of the invention is shown in the figure;

[0034] Figure 8 The position structure of the connecting rod three and sliding ring of the invention is shown in the figure;

[0035] Figure 9The schematic view of the position structure of the support rod and the sliding arc plate of the present application.

[0036] The meanings of the various reference numerals in the drawings are as follows:

[0037] 1, processing bed; 2, protective door; 3, clamp; 4, tool holder; 5, cooling pipe; 6, sliding table; 7, rotating column; 8, electric push rod; 9, chuck; 10, clamping jaw; 11, rack I; 12, gear; 13, rack II; 14, disc; 15, hydraulic device I; 16, hydraulic device II; 17, stop block; 18, sliding block; 19, connecting rod I; 191, sliding block; 192, connecting rod II; 193, key; 21, connecting rod III; 22, sliding ring; 23, push rod; 24, limiting block; 25, pushing rod; 26, support plate; 27, roller; 31, support rod; 32, sliding arc plate; 33, sliding block; 34, limiting rod; 35, stop rod; 36, push rod; 37, fixed block; 38, sliding rod; 39, clamping block. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0039] Please refer to Figures 1-9 An embodiment of the present application is a blanking device of a metal processing machine tool, which comprises a processing bed 1. The blanking device further comprises:

[0040] a protective door 2, which is slidingly installed on the inner wall of the processing bed 1;

[0041] a clamp 3, which is rotationally installed on the inner wall of the processing bed 1;

[0042] a tool holder 4, which is slidingly installed on the inner wall of the processing bed 1;

[0043] a cooling pipe 5, which is arranged on the inner wall of the processing bed 1;

[0044] a sliding table 6, which is slidingly installed on the top of the inner wall of the processing bed 1, the bottom of the sliding table 6 is rotationally installed with a rotating column 7, a motor is fixedly installed on the inner wall of the sliding table 6, the output end of the motor is fixedly connected with the rotating column 7, the bottom of the rotating column 7 is rotationally installed with an electric push rod 8, the side of the electric push rod 8 close to the clamp 3 is fixedly installed with a chuck 9, the side of the chuck 9 close to the clamp 3 is slidingly installed with a clamping jaw 10, a round opening is formed in the inner wall of the chuck 9;

[0045] a grabbing device for taking out workpieces, which is arranged on the inner wall of the processing bed 1;

[0046] The support device for reinforcing the support of the workpiece is arranged on the outer wall of the electric push rod 8.

[0047] The auxiliary device for reinforcing the support effect of the electric push rod 8 is arranged on the outer wall of the electric push rod 8.

[0048] The grabbing device comprises a rack one 11, a gear 12, a rack two 13, a disc 14, a hydraulic device one 15, a hydraulic device two 16 and a stop block 17. The rack one 11 is slidingly arranged on the top inner wall of the machining bed 1 and is fixedly connected with the protection door 2. The gear 12 is rotatably arranged on the top inner wall of the machining bed 1. The rack two 13 is slidingly arranged on the top inner wall of the machining bed 1. The hydraulic device two 16 is arranged on the inner wall of the sliding table 6. The stop block 17 is slidingly arranged on the inner wall of the sliding table 6 and is in contact with the rack two 13. The hydraulic device one 15 is arranged on the inner wall of the output end of the electric push rod 8 and has a movable end slidingly penetrating the chuck 9. The disc 14 is slidingly arranged on the inner wall of the chuck 9 and is fixedly connected with the movable end of the hydraulic device one 15. Through the contact with the inclined surface of the stop block 17, the stop block 17 is pushed to move and is separated from the contact with the rack two 13, so that the driving effect of the rack two 13 on the sliding table 6 is automatically released when the clamping jaw 10 completes the fixation of the workpiece, thereby accurately terminating the clamping action.

[0049] The grabbing device further comprises a sliding block 18, a connecting rod one 19, a sliding block 191, a connecting rod two 192 and a key 193. The sliding block 18 is slidingly arranged on the inner wall of the chuck 9. One end of the connecting rod one 19 is rotatably connected with the sliding block 18, and the other end is rotatably connected with the clamping jaw 10. The sliding block 191 is slidingly arranged on the inner wall of the chuck 9. One end of the connecting rod two 192 is rotatably connected with the sliding block 191, and the other end is rotatably connected with the sliding block 18. The key 193 is fixedly arranged on one side of the chuck 9 close to the electric push rod 8. A slot is formed on the side of the sliding block 191 close to the key 193. The sliding block 191 is in contact with the inner wall of the key 193. Through the contact between the disc 14 and the inclined surface of the sliding block 191, the linear feeding motion of the sliding table 6 is converted into the self-adaptive clamping force on the workpiece.

[0050] The side of the rack two 13 close to the block 17 is provided with a push plate one and a push plate two, the rack two 13 is in contact with the push plate one and the push plate two, the push plate one is fixedly connected with the rack two 13, the push plate two is slidingly penetrated through the inner wall of the rack two 13, the side of the push plate two away from the block 17 is provided as an inclined surface, the push plate two is provided with the inclined surface so that the rack two 13 is not blocked when resetting, the grabbing device further comprises that the spring one is arranged between the disc 14 and the chuck 9, the spring one is arranged so as to reset the disc 14, the spring two is arranged between the sliding block 191 and the chuck 9, the spring two is arranged so that the sliding block 191 is reset by the material, the side of the sliding block 191 close to the disc 14 is provided as an inclined surface, the side of the block 17 close to the hydraulic device two 16 is provided as an inclined surface, the block 17 is provided with the inclined surface so that the movable end of the hydraulic device two 16 pushes the block 17 to move, the hydraulic device two 16 is communicated with the hydraulic device one 15 through a hose, the hose is embedded in the inner wall of the electric push rod 8, the side of the block 17 away from the rack two 13 is provided as an inclined surface.

[0051] When the metal workpiece needs to be processed, the workpiece is fixed in the clamp 3, and then the cutter fixed on the surface of the tool holder 4 cuts the surface of the workpiece, while the cooling pipe 5 sprays cooling liquid to cool the workpiece. After cutting, the workpiece is fixed by the clamping jaw 10, and then the clamp 3 releases the fixation of the workpiece. The output end of the electric push rod 8 moves backward to take out the workpiece from the clamping jaw 10. After the workpiece is taken out, the motor drives the rotating column 7 to rotate, which drives the electric push rod 8 to rotate towards the protective door 2. Then the output end of the electric push rod 8 extends to stretch out the workpiece. When the workpiece needs to be taken out, the protective door 2 opens to remove the shielding of the inside of the processing bed 1. When the protective door 2 moves, the rack one 11 moves, which drives the gear 12 to rotate, and then the rack two 13 moves, which contacts the stop block 17. Then the rack two 13 pushes the stop block 17 to move, which drives the sliding table 6 to move, so that the workpiece contacts the disc 14. When the workpiece contacts the disc 14, the disc 14 moves towards the inside of the chuck 9 due to the reaction force of the workpiece. The disc 14 contacts the inclined surface of the sliding block 191, which pushes the sliding block 191 to move towards the sliding block 18. The movement of the sliding block 191 pushes the connecting rod two 192 to move, which pushes the sliding block 18 to slide, which pushes the connecting rod one 19 to move, which drives the clamping jaw 10 to clamp the workpiece. The opening of the protective door 2 is combined with the clamping process of the workpiece, so that the clamping action can be started without additional power source or control signal, which simplifies the system structure. The linear feeding motion of the sliding table 6 is converted into adaptive clamping force of the workpiece through the contact between the disc 14 and the inclined surface of the sliding block 191, which ensures that the clamping jaw 10 can generate stable and reliable clamping force after contacting the workpiece. The movement of the sliding block 191 pushes the movable end of the hydraulic device one 15 to move towards the inside of the hydraulic device one 15, which pushes the liquid in the hydraulic device one 15 to flow into the hydraulic device two 16 through the hose. The increase of the liquid in the hydraulic device two 16 pushes the movable end of the hydraulic device two 16 to move away from the hydraulic device two 16. The extension of the movable end of the hydraulic device two 16 contacts the inclined surface of the stop block 17, which is pushed by the movable end of the hydraulic device two 16 to move away from the rack two 13. When the clamping jaw 10 fixes the workpiece, the rack two 13 cannot push the sliding table 6 to move further. The movable end of the hydraulic device one 15 is retracted by the disc 14, which converts mechanical displacement into hydraulic pressure and transmits it to the hydraulic device two 16 through the hose, so that the movable end of the hydraulic device two 16 extends to push the stop block 17 to move and separate from the rack two 13.This achieves the automatic release of the driving effect of the rack 13 on the sliding table 6 while the clamping jaw 10 completes the fixation of the workpiece, thus precisely terminating the clamping action, preventing system overload and protecting the workpiece.

[0052] Please refer to Figures 1-9 On the basis of the above-mentioned embodiment, in another embodiment of the present application, the blanking device of the metal processing machine tool further comprises a supporting device and an auxiliary device.

[0053] The supporting device comprises a connecting rod 3, a sliding ring 22, a push rod 23, a limiting block 24, a pushing rod 25, a supporting plate 26 and a roller 27. The sliding ring 22 is slidingly installed on the outer wall of the output end of the electric push rod 8. The connecting rod 3 is rotatably connected to the sliding ring 22 at one end and rotatably connected to the sliding block 191 at the other end. The limiting block 24 is slidingly installed on the side of the fixed end of the electric push rod 8 close to the output end. The output end of the electric push rod 8 is provided with a sliding groove on the side close to the limiting block 24. The limiting block 24 is in contact with the inner wall of the sliding groove. The push rod 23 is fixedly installed on the side of the sliding ring 22 close to the limiting block 24. The pushing rod 25 is fixedly installed on the side of the sliding ring 22 close to the chuck 9. The supporting plate 26 is slidingly installed on the inner wall of the chuck 9. The supporting plate 26 is fixedly connected to the pushing rod 25. The roller 27 is rotatably installed on the inner wall of the supporting plate 26. The roller 27 provided on the front end of the supporting plate 26 rolls when it comes into contact with the surface of the workpiece. This achieves the instant auxiliary support of the slender or overhanging workpiece during the movement of the workpiece out of the electric push rod 8, effectively inhibiting the bending deformation and vibration of the workpiece due to gravity or inertia.

[0054] The side of the push rod 23 close to the limiting block 24 is provided with an inclined surface. The side of the limiting block 24 close to the push rod 23 is provided with an inclined surface. A spring 3 is arranged between the limiting block 24 and the electric push rod 8. The spring 3 is arranged to facilitate the movement of the limiting block 24 away from the sliding groove.

[0055] The auxiliary device comprises a supporting rod 31, a sliding arc plate 32, a sliding block 33, a limiting rod 34, a blocking rod 35 and a pushing rod 36. The supporting rod 31 is rotatably installed on the outer wall of the electric push rod 8. The sliding arc plate 32 is slidingly installed on the outer wall of the electric push rod 8. The sliding block 33 is slidingly installed on the side of the sliding arc plate 32 close to the supporting rod 31. The limiting rod 34 is slidingly installed on the outer wall of the electric push rod 8. The side of the sliding arc plate 32 close to the limiting rod 34 is provided with a circular hole. The limiting rod 34 is in contact with the inner wall of the circular hole. The blocking rod 35 is slidingly installed on the side of the electric push rod 8 close to the limiting rod 34. The pushing rod 36 is slidingly installed on the side of the electric push rod 8 close to the blocking rod 35. The supporting rod 31 is in contact with the surface of the output end under the action of the torsion spring, forming effective support.

[0056] The auxiliary device further comprises a fixed block 37, a sliding rod 38 and a clamping block 39. The fixed block 37 is fixedly installed on one side of the sliding arc plate 32 close to the sliding ring 22. The sliding rod 38 is slidingly installed on one side of the electric push rod 8 close to the fixed block 37. The clamping block 39 is slidingly installed on one side of the electric push rod 8 close to the sliding rod 38. The support rod 31 is provided with a slot on one side close to the clamping block 39. The clamping block 39 is matched with the slot in shape.

[0057] The auxiliary device further comprises a torsion spring arranged between the support rod 31 and the electric push rod 8. The torsion spring is arranged to drive the support rod 31 to rotate. A spring four is arranged between the sliding arc plate 32 and the electric push rod 8. The spring four is arranged to drive the sliding arc plate 32 to move away from the support rod 31. The side of the sliding block 33 away from the support rod 31 is provided with an inclined surface. A spring five is arranged between the sliding block 33 and the sliding arc plate 32. The spring five is arranged to drive the sliding block 33 to move towards the support rod 31. The side of the push rod 36 close to the stop rod 35 is provided with an inclined surface. The side of the push rod 36 close to the push rod 23 is provided with an inclined surface. The side of the fixed block 37 close to the sliding rod 38 is provided with an inclined surface. The side of the clamping block 39 close to the sliding rod 38 is provided with an inclined surface.

[0058] When the sliding block 191 slides, it pulls the connecting rod three 21 to move, which pulls the sliding ring 22 to move towards the chuck 9, and the sliding ring 22 moves to drive the push rod 23 to move, which removes the pressing of the limiting block 24, so that the limiting block 24 slides away from the sliding groove of the electric push rod 8, removes the limiting of the output end of the electric push rod 8, and enables the output end of the electric push rod 8 to drive the workpiece to move away from the clamp 3. The sliding displacement of the sliding block 191 pulls the connecting rod three 21, drives the sliding ring 22 and the push rod 23 to move, removes the inclined surface pressing of the push rod 23 on the limiting block 24, and makes the limiting block 24 exit the sliding groove of the electric push rod 8 under the action of the spring. This realizes that the claw 10 completes the clamping of the workpiece at the same time, automatically removes the mechanical limiting of the output end of the electric push rod 8, so that it can smoothly perform the subsequent workpiece transfer operation. During the whole process, the clamping state of the workpiece and the unlocking action of the electric push rod 8 form a mechanical linkage, which ensures that the workpiece will not be damaged or fall off due to being forcibly dragged in an unclamped state, and only after the workpiece is reliably grabbed will the transfer process be started. When the sliding ring 22 moves towards the chuck 9, it drives the push rod 25 to move, which pushes the support plate 26 to extend towards the clamp 3, thereby enhancing the support effect on the workpiece. When the support plate 26 extends, the roller 27 contacts the surface of the workpiece to rotate, thereby avoiding damage to the surface of the workpiece. The synchronous action of the push rod 25 driven by the movement of the sliding ring 22 pushes the support plate 26 to extend towards the workpiece, thereby providing additional support for the overhanging workpiece. The roller 27 at the front end of the support plate 26 rolls when it contacts the surface of the workpiece. This realizes the instant auxiliary support of the slender or overhanging workpiece during the movement of the workpiece driven by the electric push rod 8, and effectively suppresses the bending deformation and vibration of the workpiece due to gravity or inertia.

[0059] When the output end of the electric push rod 8 moves towards the inside of the electric push rod 8, the sliding ring 22 is moved, the sliding ring 22 is moved, the push rod 23 is moved, the push rod 23 is in contact with the bottom of the limiting block 24, then the push rod 23 pushes the limiting block 24 to move towards the direction of the limiting rod 34, then the limiting block 24 pushes the limiting rod 34 to move away from the sliding arc plate 32, then the limiting rod 34 releases the limiting of the sliding arc plate 32, then the sliding arc plate 32 can move away from the support rod 31, when the sliding ring 22 moves, the inclined surface of the push rod 36 is in contact with the push rod 23, then the push rod 23 pushes the push rod 36 to move, the push rod 36 moves to push the stop rod 35 to move towards the sliding arc plate 32, so that the stop rod 35 blocks the sliding arc plate 32, so that the sliding arc plate 32 can only move a short distance, when the output end of the electric push rod 8 moves away from the electric push rod 8, the sliding ring 22 is moved, the sliding ring 22 is moved, the push rod 23 is moved, the push rod 23 is moved, the push rod 36 is released, then the push rod 36 moves to the original position, the push rod 36 is released, then the stop rod 35 moves to the original position to release the blocking of the sliding arc plate 32, then the sliding arc plate 32 drives the sliding block 33 to move away from the support rod 31, then the support rod 31 is driven by the torsional spring to rotate towards the output end of the electric push rod 8, then the support rod 31 is in contact with the surface of the output end to strengthen the supporting effect of the output end, the sliding arc plate 32 moves to drive the fixed block 37 to move, the fixed block 37 moves to push the sliding rod 38 to move towards the clamping block 39, the sliding rod 38 moves to push the clamping block 39 to move towards the support rod 31 to limit the support rod 31, the output end of the electric push rod 8 is driven by the extension and contraction movement to drive the sliding ring 22 and the push rod 23 to link, in turn control the action of the limiting block 24 and the limiting rod 34, realize the automatic release of the limiting of the sliding arc plate 32. When the push rod 23 contacts the inclined surface of the push rod 36, the push rod 36 pushes the stop rod 35 to form temporary blocking of the sliding arc plate 32, limit the stroke, avoid excessive movement. When the output end of the electric push rod 8 extends, the push rod 23 is separated from the push rod 36, the stop rod 35 is reset to release the blocking, the support rod 31 is in contact with the surface of the output end under the action of the torsional spring, forming effective support. Then the fixed block 37 pushes the sliding rod 38 and the clamping block 39 to limit the support rod 31, ensure the stability of the support. This realizes the automatic unfolding and locking of the support structure in the extension process of the output end, which not only ensures the support rigidity when the output end extends, but also avoids the structural interference when it retracts.

[0060] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0061] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, and it is intended that the scope of the application be limited solely by the scope of the appended claims and the equivalents thereof.

Claims

1. A blanking device of a metal working machine tool, comprising a working bed (1), characterized in that, The blanking device further comprises: A protective door (2) is slidingly installed on the inner wall of the machining bed (1); A clamp (3) is rotatably installed on the inner wall of the machining bed (1); A tool holder (4) is slidingly installed on the inner wall of the machining bed (1); A cooling pipe (5) is arranged on the inner wall of the machining bed (1); A sliding table (6) is slidingly installed on the top of the inner wall of the machining bed (1), the bottom of the sliding table (6) is rotatably installed with a rotating column (7), a motor is fixedly installed on the inner wall of the sliding table (6), the output end of the motor is fixedly connected with the rotating column (7), the bottom of the rotating column (7) is rotatably installed with an electric push rod (8), a chuck (9) is fixedly installed on the side of the electric push rod (8) close to the clamp (3), a clamping jaw (10) is slidingly installed on the side of the chuck (9) close to the clamp (3), and a circular opening is formed in the inner wall of the chuck (9); A grabbing device for taking out the workpiece is arranged on the inner wall of the machining bed (1); A supporting device for strengthening the support of the workpiece is arranged on the outer wall of the electric push rod (8); An auxiliary device for strengthening the supporting effect of the electric push rod (8) is arranged on the outer wall of the electric push rod (8); The grabbing device comprises a rack one (11), a gear (12), a rack two (13), a disc (14), a hydraulic device one (15), a hydraulic device two (16), and a stop block (17), the rack one (11) is slidingly installed on the top of the inner wall of the machining bed (1), the rack one (11) is fixedly connected with the protective door (2), the gear (12) is rotatably installed on the top of the inner wall of the machining bed (1), the rack two (13) is slidingly installed on the top of the inner wall of the machining bed (1), the hydraulic device two (16) is arranged on the inner wall of the sliding table (6), the stop block (17) is slidingly installed on the inner wall of the sliding table (6), the stop block (17) is in contact with the rack two (13), the hydraulic device one (15) is arranged on the inner wall of the output end of the electric push rod (8), the movable end of the hydraulic device one (15) slidingly penetrates the chuck (9), the disc (14) is slidingly installed on the inner wall of the chuck (9), and the movable end of the hydraulic device one (15) is fixedly connected with the disc (14); The grabbing device further comprises a sliding block (18), a connecting rod one (19), a sliding block (191), a connecting rod two (192), and an insertion key (193), the sliding block (18) is slidingly installed on the inner wall of the chuck (9), one end of the connecting rod one (19) is rotatably connected with the sliding block (18), the other end of the connecting rod one (19) is rotatably connected with the clamping jaw (10), the sliding block (191) is slidingly installed on the inner wall of the chuck (9), one end of the connecting rod two (192) is rotatably connected with the sliding block (191), the other end of the connecting rod two (192) is rotatably connected with the sliding block (18), the insertion key (193) is fixedly installed on the side of the chuck (9) close to the electric push rod (8), an insertion slot is formed on the side of the sliding block (191) close to the insertion key (193), and the sliding block (191) is in contact with the inner wall of the insertion key (193).

2. The blanking device of a metalworking machine according to claim 1, characterized in that: The rack two (13) is provided with a push plate one and a push plate two on the side close to the block (17), the rack two (13) is in contact with the push plate one and the push plate two, the push plate one is fixedly connected with the rack two (13), the push plate two is slidably penetrated through the inner wall of the rack two (13), the side, away from the block (17), of the push plate two is provided as an inclined surface, the grabbing device further comprises a spring one between the disc (14) and the chuck (9), a spring two between the sliding block (191) and the chuck (9), the side, close to the disc (14), of the sliding block (191) is provided as an inclined surface, the side, close to the hydraulic device two (16), of the block (17) is provided as an inclined surface, the hydraulic device two (16) is communicated with the hydraulic device one (15) through a hose, the hose is embedded in the inner wall of the electric push rod (8), and the side, away from the rack two (13), of the block (17) is provided as an inclined surface.

3. The blanking device of a metalworking machine tool according to claim 1, characterized in that: The support device comprises a connecting rod three (21), a sliding ring (22), a push rod (23), a limiting block (24), a pushing rod (25), a support plate (26) and a roller (27), the sliding ring (22) is slidably installed on the outer wall of the output end of the electric push rod (8), one end of the connecting rod three (21) is rotatably connected with the sliding ring (22), the other end of the connecting rod three (21) is rotatably connected with the sliding block (191), the limiting block (24) is slidably installed on the side, close to the output end, of the fixed end of the electric push rod (8), the output end of the electric push rod (8) is provided with a sliding groove on the side close to the limiting block (24), the limiting block (24) is in contact with the inner wall of the sliding groove, the push rod (23) is fixedly installed on the side, close to the limiting block (24), of the sliding ring (22), the pushing rod (25) is fixedly installed on the side, close to the chuck (9), of the sliding ring (22), the support plate (26) is slidably installed on the inner wall of the chuck (9), the support plate (26) is fixedly connected with the pushing rod (25), and the roller (27) is rotatably installed on the inner wall of the support plate (26).

4. The blanking device of a metal working machine tool according to claim 3, characterized in that: The side, close to the limiting block (24), of the push rod (23) is provided as an inclined surface, the side, close to the push rod (23), of the limiting block (24) is provided as an inclined surface, and the limiting block (24) is provided with a spring three between the electric push rod (8).

5. The blanking device of a metal working machine tool according to claim 1, characterized in that: The auxiliary device comprises a support rod (31), a sliding arc plate (32), a sliding block (33), a limiting rod (34), a blocking rod (35) and a pushing rod (36), the support rod (31) is rotatably installed on the outer wall of the electric push rod (8), the sliding arc plate (32) is slidably installed on the outer wall of the electric push rod (8), the sliding block (33) is slidably installed on the side, close to the support rod (31), of the sliding arc plate (32), the limiting rod (34) is slidably installed on the outer wall of the electric push rod (8), the sliding arc plate (32) is provided with a circular hole on the side close to the limiting rod (34), the limiting rod (34) is in contact with the inner wall of the circular hole, the blocking rod (35) is slidably installed on the side, close to the limiting rod (34), of the electric push rod (8), and the pushing rod (36) is slidably installed on the side, close to the blocking rod (35), of the electric push rod (8).

6. The blanking device of a metal working machine tool according to claim 5, characterized in that: The auxiliary device further comprises a fixed block (37), a sliding rod (38) and a clamping block (39), the fixed block (37) is fixedly installed on one side of the sliding arc plate (32) close to the sliding ring (22), the sliding rod (38) is slidingly installed on one side of the electric push rod (8) close to the fixed block (37), the clamping block (39) is slidingly installed on one side of the electric push rod (8) close to the sliding rod (38), and the side of the supporting rod (31) close to the clamping block (39) is provided with a slot, and the clamping block (39) is matched with the slot in shape.

7. The blanking device of a metal working machine tool according to claim 6, characterized in that: The auxiliary device further comprises that a torsion spring is arranged between the supporting rod (31) and the electric push rod (8), a spring four is arranged between the sliding arc plate (32) and the electric push rod (8), the side of the sliding block (33) away from the supporting rod (31) is provided as an inclined surface, a spring five is arranged between the sliding block (33) and the sliding arc plate (32), the side of the push rod (36) close to the blocking rod (35) is provided as an inclined surface, the side of the push rod (36) close to the push rod (23) is provided as an inclined surface, the side of the fixed block (37) close to the sliding rod (38) is provided as an inclined surface, and the side of the clamping block (39) close to the sliding rod (38) is provided as an inclined surface.

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