阅读说明：本技术 一种车床的工件自动夹取设备 (Automatic clamping equipment for workpieces of lathe ) 是由 戴玮 于 2020-12-21 设计创作，主要内容包括：本发明公开的一种车床的工件自动夹取设备,包括夹臂,所述夹臂内设有进水孔,所述进水孔左壁连通设有切换腔,所述切换腔左侧连通设有储水腔,所述夹臂内设有向有延伸至所述进水孔内的水力传输机构,所述储水腔左侧设有开口向左且开口分别向上下两侧的上下对称的拉绳腔,所述拉绳腔右端面铰接有向左延伸至所述夹臂左侧的夹爪,所述夹爪与所述拉绳腔右壁的铰接处设有夹爪扭簧,所述夹爪相互靠近的一侧端面连通设有夹块腔,本发明通过扭簧与磁铁连接的卷绕轮,从而实现在夹紧后能够通过扭簧力带动磁铁偏移,从而减少对夹紧这一步骤的控制,并且通过对工件的夹紧来带动液压系统启动从而喷头摆动喷洒。(The invention discloses an automatic clamping device for workpieces of a lathe, which comprises a clamping arm, wherein a water inlet hole is arranged in the clamping arm, the left wall of the water inlet hole is communicated with a switching cavity, the left side of the switching cavity is communicated with a water storage cavity, a hydraulic transmission mechanism extending into the water inlet hole is arranged in the clamping arm, the left side of the water storage cavity is provided with a pull rope cavity which is provided with a left opening and is vertically symmetrical with the upper side and the lower side, the right end face of the rope pulling cavity is hinged with a clamping jaw which extends to the left side of the clamping arm leftwards, a clamping jaw torsion spring is arranged at the hinged position of the clamping jaw and the right wall of the rope pulling cavity, the end surface of one side, close to each other, of the clamping jaw is communicated with a clamping block cavity, the invention is provided with a winding wheel connected with a magnet through a torsion spring, therefore, after clamping, the magnet can be driven to deflect through the force of the torsion spring, so that the step of clamping is reduced, and the workpiece is clamped to drive the hydraulic system to start so that the spray head swings and sprays.)

1. The utility model provides an equipment is got to automatic clamp of work piece of lathe, includes the arm lock, its characterized in that: the hydraulic clamping device is characterized in that a water inlet is arranged in the clamping arm, a switching cavity is formed in the left wall of the water inlet in a communicated mode, a water storage cavity is formed in the left side of the switching cavity in a communicated mode, a hydraulic transmission mechanism extending into the water inlet is arranged in the clamping arm, a pull rope cavity which is vertically symmetrical and provided with openings towards the left side and the upper side and the lower side is arranged on the left side of the water storage cavity, a clamping jaw extending towards the left side of the clamping arm is hinged to the right end face of the pull rope cavity, a clamping jaw torsion spring is arranged at the hinged position of the clamping jaw and the right wall of the pull rope cavity, a clamping block cavity is arranged on one side of the clamping jaw close to each other in a communicated mode, a hydraulic cavity is arranged on the right side of the clamping block cavity, a communicated cavity is arranged between the clamping block cavity and the hydraulic cavity in a communicated mode, the right wall of the hydraulic cavity is fixedly connected with, a winding wheel cavity is arranged between the upper pull rope cavity and the lower pull rope cavity, the right wall of the winding wheel cavity is rotatably connected with a power shaft, the left wall of the winding wheel cavity is rotatably connected with a winding wheel shaft, the outer circular surface of the winding wheel shaft is rotatably connected with a winding wheel, the upper wall and the lower wall of the winding wheel cavity are respectively communicated with a through cavity with openings towards the upper side and the lower side, a pull rope penetrating through the through cavity and extending into the pull rope cavity from the upper side to the lower side is wound and accommodated on the outer circular surface of the winding wheel, a pull rope power mechanism is arranged in the winding wheel cavity, the left end surface of the clamping jaw is hinged with a connecting rod, a hinged torsion spring is arranged at the hinged part of the connecting rod and the clamping jaw, a fan block is hinged at the left end of the connecting rod in a sliding manner, a power block is fixedly connected to the lower, the fan cavity left wall is rotationally connected with a fan shaft, the fan cavity right wall is communicated with a cover plate cavity, a fan clutch mechanism is arranged between an upper fan block and a lower fan block, the front end surface and the rear end surface of the clamp arm are fixedly connected with water pipes which extend towards the front side and the rear side and the front end and the rear end of which extend towards the left side of the clamp arm leftwards, a through water pipe cavity is arranged in each water pipe, the front wall and the rear wall of the water storage cavity are communicated with water outlets with openings towards the front side and the rear side respectively, the water outlets are communicated with the water pipe cavity, the water pipe cavity left wall is fixedly connected with a hose which extends towards the left side of the water pipe leftwards, a hose cavity with the right side communicated with the left side of the water pipe cavity is arranged in the hose cavity, a side wall and a left end of the water pipe cavity which are far away from each other is communicated with a gear, the water pipe cavity is internally provided with a swinging spraying mechanism which extends leftwards to the left side of the water pipe.

2. The automatic workpiece gripping apparatus for a lathe according to claim 1, wherein: the hydraulic transmission mechanism comprises a fixed plate fixedly connected with the front wall and the rear wall of the water inlet hole, the left end face of the fixed plate is fixedly connected with a connecting spring which extends leftwards into the switching cavity, the left end of the connecting spring is fixedly connected with a switching plate which is connected with the switching cavity in a left-right sliding mode, and the water storage cavity is connected with symmetrical piston plates in a vertical sliding mode.

3. The automatic workpiece gripping apparatus for a lathe according to claim 1, wherein: clamping mechanism include with wall sliding connection's tight piece of clamp before the clamp splice chamber presss from both sides, press from both sides a side end face that tight piece kept away from each other with fixedly connected with presss from both sides tight piece spring between the lateral wall that the clamp splice chamber kept away from each other, the wall rotates before the clamp splice chamber and is connected with articulated torsional spring, hydraulic pressure chamber piston connection has hydraulic piston board, hydraulic piston board left end face articulates there is to run through the intercommunication chamber just extends to left the hydraulic pressure stay cord of clamp splice intracavity, hydraulic pressure stay cord left end walk around articulated torsional spring and with a side end face that tight piece kept away from each other is articulated, hydraulic piston board left end face with fixedly connected with hydraulic spring between the hydraulic pressure chamber left wall.

4. The automatic workpiece gripping apparatus for a lathe according to claim 1, wherein: the stay cord power mechanism comprises a stay cord motor arranged on the right wall of the winding wheel cavity, the left end face of the stay cord motor is in power connection with the right end face of the power shaft, a stay cord electromagnet is fixedly arranged on the left end face of the power shaft, a stay cord magnetic block is fixedly connected to the right end face of the winding wheel shaft, a stay cord torsional spring cavity is communicated with the right end face of the winding wheel, and a stay cord torsional spring fixedly connected with the outer circular face of the winding wheel shaft is fixedly connected to the left wall of the stay cord torsional spring cavity.

5. The automatic workpiece gripping apparatus for a lathe according to claim 1, wherein: fan clutching mechanism includes the downside the fixed fan electro-magnet of bilateral symmetry that is equipped with of fan piece up end, upside the terminal surface fixedly connected with bilateral symmetry's fan magnetic path under the fan piece, the fixed gear motor that is equipped with in initiative gear chamber left wall, gear motor right-hand member face power connection have with the fan gear shaft that initiative gear chamber right side wall rotated and is connected, the outer disc fixedly connected with driving gear of fan gear shaft, the outer disc fixedly connected with of fan axle with driving gear meshing driven fan gear, the outer disc fixedly connected with of fan axle is located the fan on fan gear right side, just be located the terminal fixedly connected with cover plate in right side between the lower wall on the cover plate chamber.

6. The automatic workpiece gripping apparatus for a lathe according to claim 1, wherein: swing spraying mechanism include with the water pipe chamber rotates the intermittent type driving gear axle of connecting from top to bottom, intermittent type driving gear off-axial disc fixedly connected with water wheels, intermittent type driving gear off-axial disc fixedly connected with is located the intermittent type driving gear of water wheels upside, the wall rotates about the driven gear chamber and is connected with the driven shaft, driven shaft off-axial disc fixedly connected with inwards extend to in the water pipe chamber and with the driven intermittent type gear of water wheels meshing transmission, driven intermittent type gear with the junction of driven shaft is fixed and is equipped with the swing torsional spring, driven intermittent type gear left end fixedly connected with extends to left the left pull rod of water pipe, hose off-axial disc fixedly connected with hose piece, pull rod left side end inwards extend to with the one end fixed connection that the off-axial disc of hose piece kept away from each other.

Technical Field

The invention relates to the field of automatic clamping equipment, in particular to automatic clamping equipment for workpieces of a lathe.

Background

In machining, turning is widely applied, in long-time cutting, a workpiece generates huge heat due to friction with a cutter, and sometimes an operator is required to take the workpiece down for measurement, at the moment, if the workpiece is directly taken down, hands are inevitably scalded, and if the workpiece is taken down by wearing gloves, danger is easily caused, and the like, the workpiece does not accord with the standard, and the existing automatic clamping devices are difficult to clamp the turned workpiece well and perform quick cooling measures.

Disclosure of Invention

In order to solve the problems, the automatic clamping device for the workpiece of the lathe is designed in the embodiment, and comprises a clamping arm, wherein a water inlet is arranged in the clamping arm, a switching cavity is formed in the left wall of the water inlet in a communicated mode, a water storage cavity is formed in the left side of the switching cavity in a communicated mode, a hydraulic transmission mechanism extending into the water inlet is arranged in the clamping arm, a stay rope cavity is arranged on the left side of the water storage cavity and is provided with an opening which is symmetrical up and down and respectively, a clamping jaw extending to the left side of the clamping arm is hinged to the right end face of the stay rope cavity, a clamping jaw torsion spring is arranged at the hinged position of the right wall of the clamping jaw and the right wall of the stay rope cavity, a clamping block cavity is arranged in a communicated mode, a hydraulic cavity is arranged on the right side of the clamping block cavity and is communicated with the hydraulic cavity, a right wall of the hydraulic cavity is fixedly connected with a clamping jaw extending right and a right end The hydraulic pipeline is fixedly connected with the upper wall and the lower wall of the water cavity, a clamping mechanism which extends rightwards into the hydraulic cavity is arranged in the clamping block cavity, a winding wheel cavity is arranged between the upper rope cavity and the lower rope cavity, the right wall of the winding wheel cavity is rotatably connected with a power shaft, the left wall of the winding wheel cavity is rotatably connected with a winding wheel shaft, the outer circular surface of the winding wheel shaft is rotatably connected with a winding wheel, the upper wall and the lower wall of the winding wheel cavity are both communicated with through cavities which are respectively provided with an opening towards the upper side and the lower side, a pull rope which penetrates through the through cavities and extends into the rope cavity from the upper side to the lower side is wound and accommodated on the outer circular surface of the winding wheel, a pull rope power mechanism is arranged in the winding wheel cavity, the left end surface of the clamping jaw is hinged with a connecting rod, a hinged torsion spring is arranged, a driving gear cavity with a downward opening is arranged in the power block, a fan cavity is communicated with the upper end surface of the fan block at the lower side, a fan shaft is rotatably connected to the left wall of the fan cavity, a cover plate cavity is communicated with the right wall of the fan cavity, a fan clutch mechanism is arranged between the upper fan block and the lower fan block, the front end surface and the rear end surface of the clamp arm are fixedly connected with water pipes which extend towards the front side and the rear side and the front end are extended towards the left side of the clamp arm, a communicated water pipe cavity is arranged in the water pipes, the front wall and the rear wall of the water storage cavity are communicated with water outlets with the front side and the rear side respectively, the water outlets are communicated with the water pipe cavity, a hose which extends towards the left side of the water pipes is fixedly connected with the left wall of the water pipe cavity, a hose cavity which is communicated with the right side and, one side intercommunication that the gear intercommunication chamber kept away from each other is equipped with the driven gear chamber, driven gear chamber left side intercommunication is equipped with the opening respectively to front and back both sides and opening swing chamber left, be equipped with in the water pipe intracavity and extend to left the left swing of water pipe sprays the mechanism.

Preferably, the hydraulic transmission mechanism comprises a fixing plate fixedly connected with the front wall and the rear wall of the water inlet hole, the left end face of the fixing plate is fixedly connected with a connecting spring which extends leftwards into the switching cavity, the left end of the connecting spring is fixedly connected with a switching plate which is connected with the switching cavity in a left-right sliding mode, and the water storage cavity is vertically connected with symmetrical piston plates in a sliding mode.

But preferably, clamping mechanism include with back wall sliding connection's tight piece of clamp before the clamp splice chamber, press from both sides tight piece a side end face of keeping away from each other with fixedly connected with presss from both sides tight piece spring between the lateral wall that the clamp splice chamber was kept away from each other, back wall rotates before the clamp splice chamber and is connected with articulated torsional spring, hydraulic pressure chamber piston connection has hydraulic piston board, hydraulic piston board left end face articulates there is to run through the intercommunication chamber just extends to left the hydraulic pressure stay cord of clamp splice intracavity, hydraulic pressure stay cord left end walk around articulated torsional spring and with a side end face of pressing from both sides tight piece and keeping away from each other is articulated, hydraulic piston board left end face with fixedly connected with hydraulic spring between the hydraulic pressure chamber left wall.

Preferably, the stay cord power mechanism comprises a stay cord motor arranged on the right wall of the winding wheel cavity, the left end face of the stay cord motor is in power connection with the right end of the power shaft, a stay cord electromagnet is fixedly arranged on the left end face of the power shaft, a stay cord magnetic block is fixedly connected to the right end face of the winding wheel shaft, a stay cord torsion spring cavity is communicated with the right end face of the winding wheel, and a stay cord torsion spring fixedly connected with the outer circular face of the winding wheel shaft is fixedly connected to the left wall of the stay cord torsion spring cavity.

Preferably, the fan clutch mechanism comprises a lower side, the fan electromagnet of bilateral symmetry that fan piece up end was fixed and is equipped with, the upside fan piece down end face fixedly connected with bilateral symmetry's fan magnetic path, the fixed gear motor that is equipped with in initiative gear chamber left wall, gear motor right-hand member face power connection have with the fan gear shaft that initiative gear chamber right side wall rotated to be connected, the outer disc fixedly connected with driving gear of fan gear shaft, the outer disc fixedly connected with of fan shaft with driving gear meshing driven fan gear, the outer disc fixedly connected with of fan shaft is located the fan on fan gear right side, just be located right side end fixedly connected with cover plate between the lower wall on the cover plate chamber.

Preferably, the swing spraying mechanism comprises an intermittent driving gear shaft which is connected with the water pipe cavity in a vertical rotating manner, the outer circular surface of the intermittent driving gear shaft is fixedly connected with a water wheel, the outer circular surface of the intermittent driving gear shaft is fixedly connected with an intermittent driving gear positioned on the upper side of the water wheel, the upper wall and the lower wall of the driven gear cavity are rotationally connected with a driven shaft, the outer circumferential surface of the driven shaft is fixedly connected with a driven intermittent gear which extends inwards into the water pipe cavity and is in meshing transmission with the water wheel, a swinging torsion spring is fixedly arranged at the joint of the driven intermittent gear and the driven shaft, the left end of the driven intermittent gear is fixedly connected with a pull rod which extends to the left side of the water pipe leftwards, the outer circle surface of the hose is fixedly connected with a hose block, and the tail end of the left side of the pull rod extends inwards to be fixedly connected with one end, far away from the outer circle surface of the hose block, of the pull rod.

The invention has the beneficial effects that: the invention clamps the workpiece to drive the hydraulic system to start so as to spray the spray head in a swinging manner, so that the workpiece is cooled in a large area, meanwhile, the power clutch device of the fan is arranged, so that the waste of energy is prevented, and the torsion spring and the winding wheel connected with the magnet are used for driving the magnet to deviate through the force of the torsion spring after clamping, so that the control on the step of clamping is reduced.

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 overall structure of the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 1.

Fig. 6 is an enlarged schematic view of E in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter 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 automatic workpiece clamping device for the lathe comprises a clamping arm 11, wherein a water inlet 12 is arranged in the clamping arm 11, a switching cavity 16 is communicated with the left wall of the water inlet 12, a water storage cavity 17 is communicated with the left side of the switching cavity 16, a hydraulic transmission mechanism 101 extending into the water inlet 12 is arranged in the clamping arm 11, a pull rope cavity 71 which is vertically symmetrical and provided with a left opening and a right opening respectively is arranged on the left side of the water storage cavity 17, a clamping jaw 21 extending to the left side of the clamping arm 11 is hinged to the right end face of the pull rope cavity 71, a clamping jaw torsion spring 22 is arranged at the hinged position of the clamping jaw 21 and the right wall of the pull rope cavity 71, a clamping block cavity 28 is communicated with one side end face of the clamping jaw 21, a hydraulic cavity 23 is arranged on the right side of the clamping block cavity 28, a communicating cavity 27 is communicated between the clamping block cavity 28 and the hydraulic cavity 23, a right wall of the hydraulic cavity 23 is fixedly connected with a right wall, and a right The hydraulic pipeline 19 is fixedly connected with the upper wall and the lower wall of the water storage cavity 17, a clamping mechanism 102 extending to the right in the hydraulic cavity 23 is arranged in the clamping block cavity 28, a winding wheel cavity 46 is arranged between the upper pull rope cavity and the lower pull rope cavity 71, a power shaft 56 is rotatably connected with the right wall of the winding wheel cavity 46, a winding wheel shaft 50 is rotatably connected with the left wall of the winding wheel cavity 46, a winding wheel 49 is rotatably connected with the outer circular surface of the winding wheel shaft 50, the upper wall and the lower wall of the winding wheel cavity 46 are respectively communicated with a through cavity 48 with openings towards the upper side and the lower side, a pull rope 47 penetrating through the through cavity 48 and extending into the pull rope cavity 71 towards the upper side and the lower side is wound and accommodated on the outer circular surface of the winding wheel 49, a pull rope power mechanism 103 is arranged in the winding wheel cavity 46, a connecting rod 31 is hinged to the left end surface of the clamping jaw 21, a hinged position of, the lower end surface of the upper fan block 32 is fixedly connected with a power block 41, a driving gear cavity 42 with a downward opening is arranged in the power block 41, the upper end surface of the lower fan block 32 is communicated with a fan cavity 33, the left wall of the fan cavity 33 is rotatably connected with a fan shaft 34, the right wall of the fan cavity 33 is communicated with a cover plate cavity 37, a fan clutch mechanism 104 is arranged between the upper fan block 32 and the lower fan block 32, the front end surface and the rear end surface of the clamping arm 11 are fixedly connected with a water pipe 60 which extends towards the front side and the rear side and the front end of which extends towards the left side of the clamping arm 11, a through water pipe cavity 20 is arranged in the water pipe 60, the front wall and the rear wall of the water storage cavity 17 are communicated with water outlets 72 with the front side and the rear side respectively, the water outlets 72 are communicated with the water pipe cavity 20, the left wall of the water pipe cavity 20 is fixedly connected with a hose 58 which extends towards the left side of, a lateral wall that water pipe chamber 20 kept away from each other just is located the left end intercommunication and is equipped with gear intercommunication chamber 73, one side intercommunication that gear intercommunication chamber 73 kept away from each other is equipped with driven gear chamber 64, driven gear chamber 64 left side intercommunication is equipped with the opening respectively to front and back both sides and opening swing chamber 65 to the left, be equipped with in the water pipe chamber 20 and extend to left the left swing sprinkler structure 105 of water pipe 60.

Advantageously, the hydraulic transmission mechanism 101 comprises a fixed plate 13 fixedly connected with the front wall and the rear wall of the water inlet 12, a connecting spring 14 extending leftwards into the switching chamber 16 is fixedly connected with the left end face of the fixed plate 13, a switching plate 15 connected with the switching chamber 16 in a left-right sliding manner is fixedly connected with the left end of the connecting spring 14, and symmetrical piston plates 18 are connected with the water storage chamber 17 in an up-down sliding manner.

Beneficially, the clamping mechanism 102 includes the clamping block 30 slidably connected to the front and rear walls of the clamping block cavity 28, a clamping block spring 29 is fixedly connected between a side end surface of the clamping block 30 away from each other and a side wall of the clamping block cavity 28 away from each other, the front and rear walls of the clamping block cavity 28 are rotatably connected with an articulated torsion spring 74, the hydraulic cavity 23 is piston-connected with a hydraulic piston plate 24, a left end surface of the hydraulic piston plate 24 is articulated with a hydraulic pull rope 26 penetrating through the communicating cavity 27 and extending leftwards into the clamping block cavity 28, a left end of the hydraulic pull rope 26 bypasses the articulated torsion spring 74 and is articulated with a side end surface of the clamping block 30 away from each other, and a hydraulic spring 25 is fixedly connected between a left end surface of the hydraulic piston plate 24 and a left wall of the hydraulic cavity 23.

Beneficially, the pull rope power mechanism 103 includes a pull rope motor 57 disposed on the right wall of the winding wheel cavity 46, a left end surface of the pull rope motor 57 is in power connection with a right end of the power shaft 56, a pull rope electromagnet 55 is fixedly disposed on the left end surface of the power shaft 56, a pull rope magnet 54 is fixedly connected to the right end surface of the winding wheel shaft 50, a pull rope torsion spring cavity 52 is communicated with the right end surface of the winding wheel 49, and a pull rope torsion spring 53 fixedly connected to the outer circumferential surface of the winding wheel shaft 50 is fixedly connected to the left wall of the pull rope torsion spring cavity 52.

Advantageously, the fan clutch mechanism 104 includes left and right symmetrical fan electromagnets 39 fixedly disposed on the upper end surface of the lower fan block 32, left and right symmetrical fan magnetic blocks 40 fixedly connected to the lower end surface of the upper fan block 32, a gear motor 44 fixedly disposed on the left wall of the driving gear cavity 42, a fan gear shaft 45 rotatably connected to the right wall of the driving gear cavity 42 and dynamically connected to the right end surface of the gear motor 44, a driving gear 43 fixedly connected to the outer circumferential surface of the fan gear shaft 45, a fan gear 35 in meshing transmission with the driving gear 43 and fixedly connected to the outer circumferential surface of the fan shaft 34, a fan 36 located on the right side of the fan gear 35 and fixedly connected to the outer circumferential surface of the fan shaft 34, and a cover plate 38 fixedly connected to the right end and between the upper and lower walls of the cover plate cavity 37.

Advantageously, said oscillating sprinkler 105 comprises an intermittent driving gear shaft 63 in up-and-down rotational connection with said water lumen 20, a water wheel 61 is fixedly connected with the outer circumferential surface of the intermittent driving gear shaft 63, an intermittent driving gear 62 positioned at the upper side of the water wheel 61 is fixedly connected with the outer circumferential surface of the intermittent driving gear shaft 63, the upper and lower walls of the driven gear cavity 64 are rotatably connected with a driven shaft 66, the outer circumferential surface of the driven shaft 66 is fixedly connected with a driven intermittent gear 68 which extends inwards into the water pipe cavity 20 and is in meshing transmission with the water wheel 61, a swinging torsion spring 67 is fixedly arranged at the joint of the driven intermittent gear 68 and the driven shaft 66, a pull rod 69 extending leftwards to the left side of the water pipe 60 is fixedly connected to the left end of the driven intermittent gear 68, the outer circular surface of the hose 58 is fixedly connected with a hose block 59, and the left end of the pull rod 69 extends inwards to be fixedly connected with one end, far away from the outer circular surface of the hose block 59, of the hose block 59.

The use steps herein are described in detail below with reference to fig. 1-6:

in the initial state: stay cord magnet 54 and stay cord electro-magnet 55 are in the laminating adsorption state, and stay cord torsional spring 53 is in the relaxed state, and connecting spring 14 is in the relaxed state thereby promotes switching board 15 and is located left extreme position to communicate switching chamber 16 and inlet opening 12, and it is in the relaxed state to press from both sides tight block spring 29, and hydraulic spring 25 is in the state of tightening, and fan magnet 40 and fan electro-magnet 39 are in the separation state, and power block 41 does not stretch into to fan chamber 33 in, and articulated torsional spring 74 is in the relaxed state.

During operation, after the lathe finishes cutting, the clamping jaws 21 on the upper side and the lower side move to the upper side and the lower side of a workpiece, the stay cord motor 57 is started to drive the power shaft 56 to rotate, the stay cord magnetic blocks 54 are connected with the stay cord electromagnet 55 to drive the winding wheel shaft 50 to rotate, the stay cord torsion spring 53 is connected to drive the winding wheel 49 to rotate, the stay cord 47 on the upper side and the lower side is wound and stored through the rotation of the winding wheel 49, the stay cord 47 is wound and stored to enable the clamping jaws 21 on the upper side and the lower side to be pulled to be close to each other so as to clamp the workpiece through the clamping blocks 30, the clamping jaw torsion spring 22 is tightened at the moment, meanwhile, the stay cord torsion spring 53 is tightened to overcome the adsorption force of the stay cord magnetic blocks 54 and the stay cord electromagnet 55, the power shaft 56 is driven to idle, the clamping blocks spring 29 can be tightened and the hydraulic stay cord 26 can be loosened after the workpiece is clamped by the clamping blocks 30 The connection of the hydraulic pipeline 19 is flushed into the water storage cavity 17 from the upper side and the lower side, so as to push the piston plates 18 on the upper side and the lower side to approach each other, thereby squeezing the water in the water storage cavity 17 to push the switching plate 15 to move rightwards so as to seal the switching cavity 16, meanwhile, the water in the water storage cavity 17 can be squeezed into the water pipe cavity 20 through the water outlet 72, thereby cooling the workpiece through the leftward spraying of the hose cavity 70, the impact force of the water flow in the water pipe cavity 20 drives the water wheel 61 to rotate, the rotation of the water wheel 61 drives the intermittent driving gear shaft 63 to rotate, thereby driving the intermittent driving gear 62 to rotate, the rotation of the intermittent driving gear 62 drives the driven intermittent gear 68 to intermittently rotate through meshing, thereby driving the driven shaft 66 to rotate against the torsional spring force of the swinging torsional spring 67, the rotation of the driven intermittent gear 68 drives the pull rod 69 to overturn, thereby drive the hose 58 through the upset of hose piece 59 and swing the blowout with the water swing in the hose chamber 70 to can cool off the work piece of great length, thereby drive driven shaft 66 through the power of holding of swing torsional spring 67 and reverse when intermittent drive gear 62 and driven intermittent gear 68 break away from the meshing this moment, thereby drive hose 58 through being connected of driven intermittent gear 68 and pull rod 69 and reverse the upset.

When upper and lower both sides clamping jaw 21 is close to each other, thereby it is close to each other to drive fan block 32 through the connection of connecting rod 31, thereby it adsorbs the laminating to drive fan magnetic path 40 and fan electro-magnet 39, thereby power block 41 stretches into in fan chamber 33 and drives driving gear 43 and fan gear 35 meshing transmission this moment, thereby start gear motor 44 drives fan gear shaft 45 and rotates this moment, thereby it rotates to drive driving gear 43, thereby it rotates to drive fan shaft 34 through the meshing transmission with fan gear 35, thereby it produces wind-force to cool off the work piece to drive the rotatory right side of fan 36.

The invention has the beneficial effects that: the invention clamps the workpiece to drive the hydraulic system to start so as to spray the spray head in a swinging manner, so that the workpiece is cooled in a large area, meanwhile, the power clutch device of the fan is arranged, so that the waste of energy is prevented, and the torsion spring and the winding wheel connected with the magnet are used for driving the magnet to deviate through the force of the torsion spring after clamping, so that the control on the step of clamping is reduced.

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.