CN112091675A

CN112091675A - Milling fixture capable of lifting and cushioning after clamping

Info

Publication number: CN112091675A
Application number: CN202011001488.1A
Authority: CN
Inventors: 张晓蝴
Original assignee: Pan'an Radical Electronic Technology Co ltd
Current assignee: Pan'an Radical Electronic Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-18

Abstract

The invention discloses a milling fixture capable of lifting, clamping and cushioning, which comprises a lifting box, wherein a lifting cavity with an upward opening is arranged in the lifting box, the front wall and the rear wall of the lifting cavity are connected with the fixture box in a sliding manner, a clamping cavity with an upward opening is arranged in the fixture box, a through hole is arranged in the lower wall of the clamping cavity and is communicated with the lifting cavity and the clamping cavity, the lower wall of the lifting cavity is rotatably connected with a bottom rotating shaft, and the upper end of the bottom rotating shaft is fixedly connected with a driving screw rod. The fixture can meet diversified production processes, thereby improving the production efficiency.

Description

Milling fixture capable of lifting and cushioning after clamping

Technical Field

The invention relates to the relevant field of milling, in particular to a milling clamp capable of lifting and cushioning after clamping.

Background

In the traditional milling fixture, different fixtures and fixtures are often required to move in different stations in a milling machine for different workpieces and facing different production processes and production requirements, so that the production efficiency is reduced, the precision of the workpieces is influenced when the fixtures are replaced, different fixtures are required to be redesigned for producing different workpieces, the production cost of enterprises is increased in the process of designing and producing the fixtures, and the problem can be solved by the liftable milling fixture capable of being lifted and cushioning after clamping.

Disclosure of Invention

In order to solve the problems, the embodiment designs a milling fixture capable of being lifted and cushioning after clamping, the milling fixture capable of being lifted and cushioning after clamping comprises a lifting box, a lifting cavity with an upward opening is arranged in the lifting box, a fixture box is connected on the front wall and the rear wall of the lifting cavity in a sliding manner, a clamping cavity with an upward opening is arranged in the fixture box, a through hole is arranged in the lower wall of the clamping cavity and communicated with the lifting cavity and the clamping cavity, a bottom rotating shaft is connected in the lower wall of the lifting cavity in a rotating manner, a driving screw rod is fixedly connected at the upper end of the bottom rotating shaft, a limit baffle is fixedly connected at the upper end of the driving screw rod, a driving motor is connected on the front wall and the rear wall of the clamping cavity in a contacting manner, the lower end of the driving motor is connected with an intermediate shaft in a power manner, the lower end of the intermediate shaft, the upper end of the processing table is provided with two limiting grooves with upward openings, the limiting grooves are mutually far away from one side wall and are fixedly connected with rebound springs, the rebound springs are mutually close to one end and are fixedly connected with a fixed plate, the fixed plate is mutually close to one end face and is fixedly connected with a fixed approaching block, the fixed approaching block is mutually close to one end and is rotatably connected with a driving rotating wheel, the outer peripheral surface of the driving rotating wheel is rotatably connected with a damping rod, the damping rod is mutually close to one end and is rotatably connected with an auxiliary rotating wheel, the rear end of the auxiliary rotating wheel is rotatably connected with a push rod, the limiting grooves are mutually close to the side wall and are fixedly connected with a fixed seat, a fixture buffer cavity with a back-opening is arranged in the fixed seat, the fixture buffer cavity is mutually close to one side wall and, the buffer push plates are fixedly connected to one ends, far away from each other, of the push rods, the front ends and the rear ends of the fixed plates are rotatably connected with clamp torsional springs, the inner peripheral surfaces of the clamp torsional springs are fixedly connected with pivot shafts, the pivot shafts are fixedly connected with clamp plates, far away from each other, of the fixed plates, the movable threaded blocks are fixedly connected with movable threaded blocks, threaded cavities with back-facing openings are arranged in the movable threaded blocks, pushing screws are in threaded connection with the inner walls of the threaded cavities, driven shafts and driving shafts are rotatably connected between the left and right walls of the clamping cavities, driven belt pulleys are fixedly connected to the outer peripheral surfaces of the driven shafts, one ends, near to each other, of the driven belt pulleys are fixedly connected to one ends, far away from each other, of the pushing screws, the workpiece blank milling machine is characterized in that one end, close to the driving shaft, of the driving shaft is fixedly connected with an indexing bevel gear, the outer peripheral surface of the intermediate shaft is fixedly connected with an intermediate bevel gear, one end, away from the intermediate bevel gear, of the intermediate bevel gear is meshed with the upper end of the indexing bevel gear, and when a workpiece blank needs to be milled, the driving motor is started to drive the intermediate shaft, the intermediate bevel gear, the indexing bevel gear and the intermediate bevel gear. The driving shaft, the driving belt pulley, the pivot belt, the driven belt pulley and the driven shaft rotate to drive the pushing screw rod to rotate so as to drive the movable threaded block, the fixed plate, the pivot shaft, the fixture torsion spring and the fixture plate to move close to each other so as to stretch the rebound spring, then a workpiece blank is placed on the upper end surface of the middle part of the machining table, when the fixed plate moves close to each other, the fixed close block is further pushed so as to drive the driving runner to rotate so as to drive the cushioning rod to swing so as to drive the auxiliary runner to rotate so as to drive the push rod and the cushioning push plate to move so as to compress the fixture cushioning spring, at the moment, the fixture plate clamps the workpiece blank to clamp the workpiece blank so as to prevent the workpiece blank from moving, and the fixture cushioning spring and the rebound spring play a role in cushioning the workpiece in the machining process, when the intermediate shaft rotates, the limit baffle, the driving screw and the bottom rotating shaft are driven to rotate, and the bottom rotating shaft and the driving screw rotate to drive lifting and other operations of the next step.

Preferably, two auxiliary slide bars are fixedly connected in the lower wall of the lifting cavity, the two auxiliary slide bars are arranged in bilateral symmetry distribution by taking the central line of the lifting cavity as the symmetry center, auxiliary slide blocks are connected on the peripheral surfaces of the auxiliary slide bars in a sliding manner, lifting thread blocks are connected on the peripheral surfaces of the drive screws in a threaded manner, one ends of the lifting thread blocks, which are far away from each other, are fixedly connected with an integrated plate, one ends of the integrated plate, which are far away from each other, are fixedly connected with one ends of the auxiliary slide blocks, which are close to each other, stop blocks are fixedly connected with the upper ends of the auxiliary slide bars, two buffer bases are fixedly connected with the upper ends of the integrated plate, the two buffer bases are arranged in bilateral symmetry distribution by taking the central line of the lifting cavity as the symmetry center, buffer cavities with upward openings, support buffer beam upper end fixed connection in terminal surface under the anchor clamps case, support buffer beam outer peripheral face sliding connection in on the buffering intracavity wall, work as when drive screw rotates, and then drive lifting screw block the intergral template upwards or downwardly moving, the intergral template moves supplementary slider is in slide on the supplementary slide bar outer peripheral face, and then right the anchor clamps case carries out lifting or descends, when the intergral template reciprocates, and then drives buffer base buffer spring support the buffer beam reciprocates, support the buffer beam buffer spring buffer base is right the anchor clamps case plays the cushioning effect at the in-process that reciprocates.

Preferably, the left end face of the left auxiliary sliding block is fixedly connected with a welding rod, the upper end of the welding rod is fixedly connected with a hard spring, the upper end of the hard spring is fixedly connected with a jacking block, the front wall and the rear wall of the lifting cavity are rotationally connected with a swinging shaft, the outer peripheral face of the swinging shaft is fixedly connected with a swinging block, the lower end face of the swinging block is provided with a jacking gap with a downward opening, when the jacking block moves upwards, the outer peripheral face of the jacking block contacts with the inner wall of the jacking gap and slides on the inner wall of the jacking gap, the upper end face of the swinging block is provided with a sliding groove with an upward opening, the left side wall of the sliding groove is fixedly connected with a return spring, the right end of the return spring is fixedly connected with a supporting sliding block, the supporting block is slidably connected on the inner wall of the sliding groove, the upper end of the supporting block, the spray pipe is internally provided with a nozzle with a rightward opening, when the auxiliary sliding block moves upwards on the left side, the auxiliary sliding block further drives the welding rod, the hard spring and the jacking block to move upwards, at the moment, the jacking block is inserted into the jacking gap, the swinging block is further pushed to swing around the swinging shaft, when the swinging block swings, the swinging block further drives the supporting sliding block, the cleaning liquid tank and the spray pipe to slide towards the lower right side, the supporting sliding block further stretches the reset spring when sliding, the reset spring plays a reset role for the supporting sliding block and the cleaning liquid tank, at the moment, the cleaning liquid tank is started, the cleaning liquid in the cleaning liquid tank is filled into the nozzle, and the nozzle flushes the cleaning liquid at the upper end face of the machining table so as to remove scraps generated during machining.

Preferably, a lower side belt pulley is fixedly connected to the outer peripheral surface of the bottom rotating shaft, a side shaft is connected to the lower wall of the lifting cavity in a rotating mode, a side belt pulley is fixedly connected to the outer peripheral surface of the lower side of the side shaft, a side belt pulley is rotatably connected between the side belt pulley and the lower side belt pulley, a driving bevel gear is fixedly connected to the upper end of the side shaft, a supporting shaft is rotatably connected to the right side wall of the lifting cavity, a side bevel gear is fixedly connected to the left end of the supporting shaft, the lower end of the side bevel gear is meshed with the left end of the driving bevel gear, and when the bottom rotating shaft rotates, the lower side belt pulley, the side belt pulley, the driving bevel gear, the side bevel gear and the supporting shaft are driven to.

Preferably, the left end of the side bevel gear is fixedly connected with a screw rod, the outer peripheral surface of the screw rod is in threaded connection with a thread block, the lower end of the thread block is fixedly connected with a magnetic block, the lower end of the magnetic block is fixedly connected with two clamping blocks, the two clamping blocks are symmetrically distributed with the center line of the magnetic block as a symmetry center in a bilateral mode, an induction spring is fixedly connected between the clamping blocks, the left end surface of the screw rod is provided with a return cavity with a leftward opening, the right side wall of the return cavity is fixedly connected with a return spring, the left end of the return spring is fixedly connected with a return rod, the outer peripheral surface of the limit baffle is slidably connected onto the inner wall of the return cavity, when the side bevel gear rotates, the screw rod is driven to rotate, the thread block is driven to move close to the center line of the lifting cavity, and the magnetic block, the left end of the threaded block further pushes the return rod to move leftwards, the limit baffle further stretches the return spring, the return spring plays a role in returning the return rod, and after machining is completed at the moment, the induction spring induces the workpiece which is machined to be clamped between the clamping blocks and is sucked to the lower end face of the magnetic block.

The invention has the beneficial effects that: can be when using this anchor clamps to mill the operation, make the blank be located between the anchor clamps and realize the clamp tightly of anchor clamps to thereby carry out the requirement that the height goes up and down to this anchor clamps and operate to reach the requirement that satisfies different production requirements and different production technology according to the production requirement of difference, and add man-hour this anchor clamps and can cushion the vibrations that guarantee the work piece and do not influence the precision of work piece to the produced vibrations of work piece, thereby this anchor clamps can satisfy diversified production technology and improved production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the whole structure of a milling fixture capable of lifting and cushioning after clamping;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged schematic view of B of FIG. 1;

FIG. 4 is an enlarged schematic view of C in FIG. 1;

FIG. 5 is a schematic diagram of D-D of FIG. 1;

FIG. 6 is a schematic diagram of the structure of E-E in FIG. 2;

fig. 7 is a schematic view of the structure of F-F in fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The milling fixture capable of lifting, clamping and cushioning comprises a lifting box 11, a lifting cavity 12 with an upward opening is arranged in the lifting box 11, a fixture box 14 is connected on the front and rear walls of the lifting cavity 12 in a sliding manner, a clamping cavity 13 with an upward opening is arranged in the fixture box 14, a through hole 15 is arranged in the lower wall of the clamping cavity 13, the through hole 15 is communicated with the lifting cavity 12 and the clamping cavity 13, a bottom rotating shaft 78 is connected in the lower wall of the lifting cavity 12 in a rotating manner, a driving screw 77 is fixedly connected at the upper end of the bottom rotating shaft 78, a limit baffle 76 is fixedly connected at the upper end of the driving screw 77, a driving motor 53 is connected on the front and rear walls of the clamping cavity 13 in a contacting manner, an intermediate shaft 51 is connected at the lower end of the driving motor 53 in a power manner, the lower end of the intermediate shaft 51 is fixedly connected at the upper end of the limit, the upper end of the processing table 66 is provided with two upward-opening limiting grooves 70, the limiting grooves 70 are far away from one side wall, a rebound spring 67 is fixedly connected to the side wall, the rebound spring 67 is close to one end and fixedly connected to a fixing plate 61, the fixing plate 61 is close to one end face and fixedly connected to a fixed approaching block 68, the fixed approaching block 68 is close to one end and rotatably connected to a driving rotating wheel 58, the outer peripheral surface of the driving rotating wheel 58 is rotatably connected to a shock absorption rod 69, the near end of the shock absorption rod 69 is rotatably connected to an auxiliary rotating wheel 71, the rear end of the auxiliary rotating wheel 71 is rotatably connected to a push rod 57, the limiting grooves 70 are close to one side wall and fixedly connected to a fixed seat 55, a clamp buffering cavity 54 with an opening facing back is arranged in the fixed seat 55, the clamp buffering cavity 54 is close to one side wall and fixedly connected to a clamp buffering spring 56, and, the buffer push plate 72 is fixedly connected with one end of the push rod 57 close to each other, the front end and the rear end of the fixed plate 61 are connected with a clamp torsion spring 62 in a rotating manner, the inner peripheral surface of the clamp torsion spring 62 is fixedly connected with a pivot shaft 60, the pivot shaft 60 is fixedly connected with a clamp plate 59 close to one end, the fixed plate 61 is fixedly connected with a movable threaded block 63 close to one end, a threaded cavity 65 with an opening facing back is arranged in the movable threaded block 63, a push screw rod 64 is connected with the inner wall of the threaded cavity 65 in a threaded manner, a driven shaft 40 and a driving shaft 41 are connected between the left wall and the right wall of the clamping cavity 13 in a rotating manner, a driven pulley 31 is fixedly connected on the outer peripheral surface of the driven shaft 40, one end of the driven pulley 31 close to each other, a pivot belt 100 is rotatably connected between the driving pulley 49 and the driven pulley 31, one end of the driving shaft 41 close to each other is fixedly connected with an indexing bevel gear 52, the outer peripheral surface of the intermediate shaft 51 is fixedly connected with an intermediate bevel gear 50, one end of the intermediate bevel gear 50 far away from each other is meshed with the upper end of the indexing bevel gear 52, when a workpiece blank needs to be milled, the driving motor 53 is started, the intermediate shaft 51, the intermediate bevel gear 50, the indexing bevel gear 52, the driving shaft 41, the driving pulley 49, the pivot belt 100, the driven pulley 31 and the driven shaft 40 are further driven to rotate, the pushing screw 64 is further driven to rotate, and the movable thread block 63, the fixing plate 61, the pivot shaft 60, the clamp torsion spring 62 and the clamp plate 59 are further driven to move close to each other, and further the resilient spring 67 is stretched, while the work blank is placed on the intermediate upper end surface of the processing table 66, and when the fixed plates 61 are moved closer to each other, thereby pushing the fixed approaching block 68, further driving the driving wheel 58 to rotate, further driving the shock absorption rod 69 to swing, thereby driving the auxiliary rotating wheel 71 to rotate, further driving the push rod 57 and the buffering push plate 72 to move, and further compresses the clamp cushion spring 56, at which time the clamp plate 59 clamps the workpiece blank against movement, the clamp damping spring 56 and the rebound spring 67 provide a damping action for the workpiece during machining, and when the intermediate shaft 51 rotates, thereby driving the limit baffle 76, the driving screw 77 and the bottom rotating shaft 78 to rotate, the bottom rotating shaft 78 and the driving screw 77 rotate to drive the next lifting and other operations.

Beneficially, two auxiliary sliding rods 16 are fixedly connected in the lower wall of the lifting cavity 12, the two auxiliary sliding rods 16 are arranged in a bilateral symmetry manner with the central line of the lifting cavity 12 as a symmetry center, the outer peripheral surfaces of the auxiliary sliding rods 16 are slidably connected with auxiliary sliding blocks 17, the outer peripheral surfaces of the driving screws 77 are in threaded connection with lifting threaded blocks 74, the lifting threaded blocks 74 are far away from each other, one ends of the lifting threaded blocks 74 are fixedly connected with an integrated plate 75, one ends of the integrated plate 75 far away from each other are fixedly connected with one ends of the auxiliary sliding blocks 17 close to each other, the upper ends of the auxiliary sliding rods 16 are fixedly connected with a stop block 19, the upper ends of the integrated plate 75 are fixedly connected with two buffer bases 44, the two buffer bases 44 are arranged in a bilateral symmetry manner with the central line of the lifting cavity 12 as a symmetry center, a buffer, the upper end of the buffer spring 48 is fixedly connected with a supporting buffer rod 43, the upper end of the supporting buffer rod 43 is fixedly connected to the lower end face of the fixture box 14, the outer peripheral face of the supporting buffer rod 43 is connected to the inner wall of the buffer cavity 47 in a sliding manner, when the driving screw 77 rotates, the lifting screw block 74 and the integrated plate 75 are driven to move upwards or downwards, the integrated plate 75 drives the auxiliary sliding block 17 to slide on the outer peripheral face of the auxiliary sliding rod 16 so as to lift or lower the fixture box 14, when the integrated plate 75 moves up and down, the buffer base 44, the buffer spring 48 and the supporting buffer rod 43 are driven to move up and down, and the supporting buffer rod 43, the buffer spring 48 and the buffer base 44 play a role in buffering and damping in the up and down moving process for the fixture box 14.

Beneficially, the left end surface of the left auxiliary sliding block 17 is fixedly connected with a welding rod 18, the upper end of the welding rod 18 is fixedly connected with a hard spring 20, the upper end of the hard spring 20 is fixedly connected with a jacking block 21, the front wall and the rear wall of the lifting cavity 12 are rotatably connected with a swinging shaft 24, the outer peripheral surface of the swinging shaft 24 is fixedly connected with a swinging block 23, the lower end surface of the swinging block 23 is provided with a jacking notch 22 with a downward opening, when the jacking block 21 moves upwards, the outer peripheral surface of the jacking block 21 contacts the inner wall of the jacking notch 22 and slides on the inner wall of the jacking notch 22, the upper end surface of the swinging block 23 is provided with a sliding groove 30 with an upward opening, the left side wall of the sliding groove 30 is fixedly connected with a return spring 25, the right end of the return spring 25 is fixedly connected with a supporting sliding block 27, and the supporting, a cleaning liquid tank 26 is fixedly connected to the upper end of the supporting slider 27, a spray pipe 28 is fixedly connected to the right end of the cleaning liquid tank 26, a spray port 29 with a right opening is arranged in the spray pipe 28, when the auxiliary slider 17 on the left side moves upwards, the welding rod 18, the hard spring 20 and the jacking block 21 are further driven to move upwards, at this time, the jacking block 21 is inserted into the jacking notch 22, the swinging block 23 is further driven to swing around the swinging shaft 24, when the swinging block 23 swings, the supporting slider 27, the cleaning liquid tank 26 and the spray pipe 28 are further driven to slide towards the lower right, when the supporting slider 27 slides, the return spring 25 is further stretched, the return spring 25 plays a return role on the supporting slider 27 and the cleaning liquid tank 26, at this time, the cleaning liquid tank 26 is started, and the cleaning liquid in the cleaning liquid tank 26 is filled into the spray port 29, the nozzle 29 flushes the cleaning liquid onto the upper end surface of the processing table 66 to remove the scraps during processing.

Advantageously, a lower pulley 73 is fixedly connected to the outer peripheral surface of the bottom rotating shaft 78, a side shaft 42 is rotatably connected to the lower wall of the lifting chamber 12, a side belt pulley 45 is fixedly connected on the lower peripheral surface of the side shaft 42, a side belt 46 is rotatably connected between the side belt pulley 45 and the lower belt pulley 73, the upper end of the side shaft 42 is fixedly connected with a driving bevel gear 39, the right side wall of the lifting cavity 12 is rotatably connected with a supporting shaft 38, the left end of the supporting shaft 38 is fixedly connected with a side bevel gear 37, the lower end of the side bevel gear 37 is engaged with the left end of the driving bevel gear 39, when the bottom rotating shaft 78 rotates, and further drives the lower side belt pulley 73, the side belt 46, the side belt pulley 45, the driving bevel gear 39, the side bevel gear 37 and the support shaft 38 to rotate, so as to further drive the next step of clamping the machined workpiece.

Beneficially, a screw rod 36 is fixedly connected to the left end of the side bevel gear 37, a thread block 35 is connected to the outer peripheral surface of the screw rod 36 in a threaded manner, a magnetic block 32 is fixedly connected to the lower end of the thread block 35, two clamping blocks 34 are fixedly connected to the lower end of the magnetic block 32, the two clamping blocks 34 are symmetrically distributed with respect to the center line of the magnetic block 32 in a bilateral manner, an induction spring 33 is fixedly connected between the clamping blocks 34, a return cavity 101 with a leftward opening is formed in the left end surface of the screw rod 36, a return spring 79 is fixedly connected to the right side wall of the return cavity 101, a return rod 102 is fixedly connected to the left end of the return spring 79, the outer peripheral surface of the limit baffle 76 is slidably connected to the inner wall of the return cavity 101, and when the side bevel gear 37 rotates, the screw rod 36 is further driven to, and then the magnetic block 32, the clamping block 34 and the induction spring 33 are driven to move close to the central line of the lifting cavity 12, the left end of the thread block 35 further pushes the return rod 102 to move leftwards, the limit baffle 76 further stretches the return spring 79, the return spring 79 plays a role in returning the return rod 102, and after the machining is finished, the induction spring 33 induces the machined workpiece to be clamped between the clamping blocks 34 and sucked to the lower end face of the magnetic block 32.

The following describes in detail the use steps of a liftable and post-clamping cushioning milling fixture in the present document with reference to fig. 1 to 7: initially, the cleaning solution tank 26, the driving motor 53, and the induction spring 33 are in a closed state, the auxiliary slider 17, the integrated plate 75, the lifting screw block 74, the supporting buffer rod 43, the buffer base 44, and the buffer spring 48 are located at any position in the lifting chamber 12, the jacking block 21 is away from the lower end face of the swinging block 23, the screw block 35 is away from the center line of the lifting chamber 12, the clamp plate 59 is in an open state, and the fixing plate 61 and the movable screw block 63 are in a mutually away state.

When the milling machine is used, when a workpiece blank needs to be milled, the driving motor 53 is started, the intermediate shaft 51, the intermediate bevel gear 50, the indexing bevel gear 52, the driving shaft 41, the driving belt pulley 49, the hinge belt 100, the driven belt pulley 31 and the driven shaft 40 are driven to rotate, the pushing screw 64 is driven to rotate, the movable threaded block 63, the fixed plate 61, the hinge shaft 60, the fixture torsion spring 62 and the fixture plate 59 are driven to move close to each other, the rebound spring 67 is stretched, the workpiece blank is placed on the upper end surface of the middle of the processing table 66, when the fixed plate 61 moves close to each other, the fixed close block 68 is driven, the driving rotating wheel 58 is driven to rotate, the cushioning rod 69 is driven to swing, the auxiliary rotating wheel 71 is driven to rotate, the push rod 57 and the cushioning push plate 72 are driven to move, the fixture cushioning spring 56 is compressed, and the fixture plate 59, the clamp buffer spring 56 and the rebound spring 67 play a role in buffering and cushioning a workpiece in a machining process, and when the middle shaft 51 rotates, the limit baffle 76, the driving screw 77 and the bottom rotating shaft 78 are driven to rotate, and the bottom rotating shaft 78 and the driving screw 77 rotate to drive lifting and other operations in the next step.

When the driving screw 77 rotates, the lifting screw block 74 and the integrated plate 75 are further driven to move upwards or downwards, the integrated plate 75 drives the auxiliary slider 17 to slide on the outer peripheral surface of the auxiliary slide bar 16, and further lift or descend the clamp box 14, when the integrated plate 75 moves upwards and downwards, the buffer base 44, the buffer spring 48 and the support buffer rod 43 are further driven to move upwards and downwards, the support buffer rod 43, the buffer spring 48 and the buffer base 44 play a role in buffering and damping the clamp box 14 in the up-and-down moving process, when the auxiliary slider 17 on the left side moves upwards, the welding rod 18, the hard spring 20 and the jacking block 21 are further driven to move upwards, at the moment, the jacking block 21 is inserted into the jacking notch 22, and further the swinging block 23 is pushed to swing around the swinging shaft 24, when the swinging block 23 swings, the support slider 27, the cleaning liquid box 26 and the spray pipe 28 are further driven to slide, when the supporting slide block 27 slides, the return spring 25 is further stretched, the return spring 25 plays a role in returning the supporting slide block 27 and the cleaning liquid tank 26, at the moment, the cleaning liquid tank 26 is started, cleaning liquid in the cleaning liquid tank 26 is filled into the nozzle 29, the nozzle 29 flushes the cleaning liquid onto the upper end surface of the processing table 66, so that scraps generated during processing are removed, when the bottom rotating shaft 78 rotates, the lower side belt pulley 73, the side belt 46, the side belt pulley 45, the driving bevel gear 39, the side bevel gear 37 and the supporting shaft 38 are further driven to rotate, and further, the processed workpieces are further driven to be clamped.

When the side bevel gear 37 rotates, the screw rod 36 is further driven to rotate, the screw block 35 is further driven to move close to the central line of the lifting cavity 12, the magnetic block 32 is further driven, the clamping block 34 and the induction spring 33 are further driven to move close to the central line of the lifting cavity 12, the left end of the screw block 35 further pushes the return rod 102 to move leftwards, the return rod 102 further stretches the return spring 79, the return spring 79 plays a role in returning the return rod 102, and after the machining is finished at the moment, a workpiece after the machining is finished is clamped between the clamping block 34 and is sucked to the lower end face of the magnetic block 32 after the induction spring 33 induces the workpiece.

The invention has the beneficial effects that: the clamp can enable a blank to be positioned between the clamps and clamp the clamps when the clamp is used for milling operation, and can perform high-low lifting operation on the clamp according to different production requirements so as to meet different production requirements and different production process requirements, and the clamp can buffer vibration generated by a workpiece during processing so as to ensure that the vibration of the workpiece does not influence the precision of the workpiece, and can meet diversified production processes so as to improve the production efficiency.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a milling fixture that bradyseism after liftable and clamp, is including lifting the case, its characterized in that: the lifting box is internally provided with a lifting cavity with an upward opening, the front wall and the rear wall of the lifting cavity are connected with a clamp box in a sliding manner, the clamp box is internally provided with a clamping cavity with an upward opening, the lower wall of the clamping cavity is internally provided with a through hole, the through hole is communicated with the lifting cavity and the clamping cavity, the lower wall of the lifting cavity is connected with a bottom rotating shaft in a rotating manner, the upper end of the bottom rotating shaft is fixedly connected with a driving screw, the upper end of the driving screw is fixedly connected with a limit baffle, the front wall and the rear wall of the clamping cavity are connected with a driving motor in a contact manner, the lower end of the driving motor is connected with an intermediate shaft in a power manner, the lower end of the intermediate shaft is fixedly connected with the upper end of the limit baffle, the upper end of the driving motor is fixedly connected with a processing table, the upper end, one end face of the fixing plate, which is close to each other, is fixedly connected with a fixed approaching block, one end of the fixed approaching block, which is close to each other, is rotatably connected with a driving rotating wheel, the outer peripheral surface of the driving rotating wheel is rotatably connected with a shock absorption rod, one end of the shock absorption rod, which is close to each other, is rotatably connected with an auxiliary rotating wheel, the rear end of the auxiliary rotating wheel is rotatably connected with a push rod, the limiting groove, which is close to each other, is fixedly connected with a fixed seat on the side wall, a clamp buffering cavity with an opening facing back is arranged in the fixed seat, the clamp buffering cavity, which is close to each other, is fixedly connected with a clamp buffering spring on the side wall, the clamp buffering spring, which is far from each other, is fixedly connected with a buffering push plate, one end of the pivot shaft close to each other is fixedly connected with a clamp plate, one end of the fixed plate far from each other is fixedly connected with a movable thread block, a thread cavity with an opening facing back is arranged in the movable thread block, the inner wall of the thread cavity is connected with a pushing screw rod in a threaded manner, a driven shaft and a driving shaft are rotatably connected between the left wall and the right wall of the clamping cavity, a driven belt pulley is fixedly connected on the peripheral surface of the driven shaft, one end of the driven belt pulley close to each other is fixedly connected with one end of the pushing screw rod far away from each other, a driving belt pulley is fixedly connected on the peripheral surface of the driving shaft, a pivot belt is rotatably connected between the driving belt pulley and the driven belt pulley, one end, close to each other, of the driving shaft is fixedly connected with an indexing bevel gear, the outer peripheral surface of the intermediate shaft is fixedly connected with an intermediate bevel gear, and one end, far away from each other, of the intermediate bevel gear is meshed with the upper end of the indexing bevel gear.

2. The liftable and after-clamping cushioning milling fixture according to claim 1, wherein: two auxiliary slide bars are fixedly connected in the lower wall of the lifting cavity, the two auxiliary slide bars are arranged in a bilateral symmetry mode by taking the central line of the lifting cavity as the symmetry center, auxiliary slide blocks are connected on the peripheral surfaces of the auxiliary slide bars in a sliding mode, lifting thread blocks are connected on the peripheral surfaces of the drive screws in a threaded mode, one ends of the lifting thread blocks, far away from each other, are fixedly connected with an integrated plate, one ends of the integrated plate, far away from each other, are fixedly connected with one ends of the auxiliary slide blocks, close to each other, stop blocks are fixedly connected at the upper ends of the auxiliary slide bars, two buffer bases are fixedly connected on the upper ends of the integrated plate, the two buffer bases are arranged in a bilateral symmetry mode by taking the central line of the lifting cavity as the symmetry center, buffer cavities with upward openings are arranged, the upper end of the supporting buffer rod is fixedly connected to the lower end face of the clamp box, and the peripheral face of the supporting buffer rod is connected to the inner wall of the buffer cavity in a sliding mode.

3. The liftable and after-clamping cushioning milling fixture according to claim 2, wherein: the left end face of the auxiliary sliding block on the left side is fixedly connected with a welding rod, the upper end of the welding rod is fixedly connected with a hard spring, the upper end of the hard spring is fixedly connected with a jacking block, the front wall and the rear wall of the lifting cavity are rotationally connected with a swinging shaft, the outer peripheral face of the swinging shaft is fixedly connected with a swinging block, the lower end face of the swinging block is provided with a jacking notch with a downward opening, when the jacking block moves upwards, the outer peripheral face of the jacking block contacts with the inner wall of the jacking notch and slides on the inner wall of the jacking notch, the upper end face of the swinging block is provided with a sliding groove with an upward opening, the left side wall of the sliding groove is fixedly connected with a return spring, the right end of the return spring is fixedly connected with a supporting sliding block, the supporting sliding block is slidably connected on the inner wall of the sliding groove, the, and a nozzle with a right opening is arranged in the spray pipe.

4. The liftable and after-clamping cushioning milling fixture according to claim 1, wherein: the lifting cavity comprises a bottom rotating shaft, a lifting cavity, a side shaft, a side belt pulley, a side bevel gear, a supporting shaft and a side bevel gear, wherein the bottom rotating shaft is fixedly connected with the outer peripheral surface of the bottom rotating shaft, the side shaft is connected with the lifting cavity lower wall in a rotating mode, the side belt pulley is fixedly connected with the side belt pulley in the outer peripheral surface of the side shaft lower wall, the side belt pulley is connected with the lower side belt pulley in a rotating mode, the side shaft upper end is fixedly connected with the driving bevel gear, the supporting shaft is connected with.

5. The liftable and clampable cushioning milling fixture of claim 4, wherein: the side bevel gear left end fixedly connected with screw rod, threaded connection has the screw thread piece on the screw rod outer peripheral face, screw thread piece lower extreme fixedly connected with magnetic block, two grip blocks of magnetic block lower extreme fixedly connected with, two grip blocks use magnetic block central line sets up as symmetry center bilateral symmetry distribution, fixedly connected with response spring between the grip block, the screw rod left end face is equipped with the return chamber of opening left, fixedly connected with return spring on the return chamber right side wall, return spring left end fixedly connected with return pole, limit baffle outer peripheral face sliding connection in on the return intracavity wall.