Blanking fixture of injection molding machine
Technical Field
The invention relates to the technical field of injection molding machines, in particular to a blanking clamp of an injection molding machine.
Background
The working principle of the injection molding machine is similar to that of an injector for injection, and the injection molding machine injects plastic in a plasticized molten state (namely viscous state) into a closed mold cavity by means of the thrust of a screw (or a plunger) and obtains a product after solidification and shaping. Injection molding is a cyclic process, and each cycle mainly comprises quantitative feeding, melting plasticizing, pressurizing injection, mold filling cooling and mold opening and taking. And taking out the plastic part, closing the die again, and carrying out the next cycle.
At present, chinese patent publication No. CN116238092, publication No. 2023, 6, 9 discloses a macromolecular material injection molding machine, which comprises a frame, the left end of frame is provided with the mould module, the right-hand member of frame is provided with the base, install the module of moulding plastics on the base, the upper end of module of moulding plastics is provided with the feeding frame, the feeding chamber has been seted up to the left and right sides symmetry of feeding frame, be provided with the crushing module in the feeding chamber, be provided with drive module between the crushing module, drive module sets up in the work groove of seting up at feeding frame middle part, the lower extreme rotation of feeding chamber is provided with the shredding roller.
The polymer materials which are cut by the cutting roller are further cut, the polymer materials which are cut secondarily fall into the injection molding module, so that the polymer materials are subjected to melting treatment and then injected into the mold module, and the mold is removed from the mold after cooling and solidification, so that a finished product is obtained.
When the plastic barrel is subjected to injection molding processing, a plastic barrel can be obtained after each processing, wherein after the plastic barrel is demolded each time, operators need to open a station bin gate where the mold module is positioned, so that the plastic barrel is taken out, the whole process is very troublesome, and the high-efficiency blanking of the plastic barrel is not facilitated.
Disclosure of Invention
The invention aims to provide a blanking clamp of an injection molding machine, which is beneficial to efficient blanking of plastic barrels.
The technical aim of the invention is achieved by the following technical scheme that the blanking fixture of the injection molding machine comprises a base which is positioned at one side of a die module of the injection molding machine, wherein the base is L-shaped, a fixed shaft which extends along the horizontal direction is fixed at the upper side of the base, a connecting sleeve is sleeved on the fixed shaft, a connecting arm is arranged at one side of the connecting sleeve, a clamping piece for clamping a plastic barrel is arranged at one end of the connecting arm, which is far away from the connecting sleeve, and a driving assembly which is used for driving the connecting sleeve to move and then enabling the clamping piece to clamp the plastic barrel in the injection molding machine is arranged between the connecting sleeve and the base.
Through adopting above-mentioned technical scheme, utilize drive assembly to drive the adapter sleeve and rotate on the fixed axle for after the holder on the linking arm removes to injection molding machine, press from both sides the plastic drum and get, then reuse drive assembly to drive the adapter sleeve and reverse rotation on the fixed axle, thereby drive the holder that presss from both sides and get the plastic drum and remove from injection molding machine, compare in the material of need manpower opening the bin gate, can be favorable to finally the high-efficient unloading of plastic drum.
The clamping piece comprises two clamping arms, clamping plates and clamping springs, wherein the two clamping arms are respectively positioned at two sides of the end part of the connecting arm, the middle part of each clamping arm is hinged to the end part of the connecting arm, the clamping plates are arranged at one end of each clamping arm and are used for abutting against the side wall of the plastic barrel, and the clamping springs are arranged between the two clamping plates, and the two ends of each clamping spring are respectively connected with the two clamping plates.
Through adopting above-mentioned technical scheme, after two splint are close to towards the plastic drum, under the reaction force of plastic drum, the centre gripping arm takes place to rotate and the centre gripping spring is stretched, and two splint take place after expanding afterwards can supply the plastic drum embedding to accomplish the clamp of plastic drum under the elastic restoring force effect of centre gripping spring and get.
The invention is further arranged that a guide inclined plane is arranged at one end of the clamping plate far away from the clamping arm.
Through adopting above-mentioned technical scheme, after splint are close to the plastic drum, the guide inclined plane on the splint is first contradicted on the plastic drum, and then the plastic drum can be more smooth by the clamp between two splint along the guide inclined plane.
The driving assembly comprises a guide groove formed in the outer wall of the connecting sleeve, a fixing arm arranged on the base, a guide rod arranged at the upper end of the fixing arm and used for being embedded in the guide groove, and a pushing piece arranged on the base and used for pushing the connecting sleeve back and forth on the fixing shaft, wherein the guide groove comprises a spiral groove extending along the peripheral side of the connecting sleeve and enabling the connecting sleeve to rotate under the driving of the guide rod, and a first horizontal groove positioned at one end of the spiral groove and enabling a clamping piece on the connecting sleeve to clamp the plastic barrel under the driving of the guide rod.
By adopting the technical scheme, the pushing piece drives the connecting sleeve to move, meanwhile, the guide rod on the fixed arm is embedded in the guide groove on the outer wall of the connecting sleeve, when the guide rod is positioned in the spiral groove, the connecting sleeve can horizontally move along the fixed shaft and simultaneously circumferentially rotate along with the pushing of the pushing piece, and when the guide rod is positioned in the first horizontal groove, the connecting sleeve can horizontally move along the fixed shaft along with the pushing of the pushing piece;
When the guide rod is positioned in the spiral groove, the connecting arm of the connecting sleeve rotates and moves horizontally and then can approach one side of the plastic barrel, when the guide rod is separated from the spiral groove and enters the first horizontal groove, the clamping piece on the connecting arm can be aligned with the plastic barrel, then the guide rod moves in the first horizontal groove, at the moment, the connecting sleeve can drive the clamping piece to move towards one side close to the plastic barrel, and then the clamping plate can be abutted against the plastic barrel and then expand, so that clamping of the plastic barrel is completed;
The guide rod moves reversely in the first horizontal groove, so that the clamping piece takes the plastic barrel off the die module of the injection molding machine, and the guide rod moves reversely from the first water groove to the spiral groove, and the connecting arm of the connecting sleeve rotates and moves horizontally to be separated from the injection molding machine.
The clamping arm is further provided with a pushing table at one end far away from the clamping plate, a discharging arm is arranged at one end of the fixed shaft far away from the base, a push rod for abutting against the pushing table is arranged on the discharging arm, and the guide groove further comprises a second horizontal groove which is positioned at one end of the spiral groove far away from the first horizontal groove and is driven by the guide rod to enable the clamping arm to move towards one side of the push rod.
Through adopting above-mentioned technical scheme, after the guide bar removes to the second horizontal inslot from the helicla flute, the holder on the linking arm can aim at the arm of unloading, and the guide bar removes in the second horizontal inslot afterwards, and the adapter sleeve can drive the holder and move towards being close to arm one side of unloading this moment, and the pushing bench on two subsequent holding arms can conflict on the push rod on the arm of unloading, under the effect of push rod, can make two splint take place to expand after the holding arm takes place to rotate, and the plastic drum between two splint can fall under self gravity effect this moment.
The plastic barrel overturning device is further characterized in that a connecting rod is arranged on the lower side of one end, far away from the fixed shaft, of the unloading arm, and an overturning rod which is used for abutting against the lower side of the plastic barrel and allowing the plastic barrel to drop downwards after overturning is arranged on one end, far away from the unloading arm, of the connecting rod.
Through adopting above-mentioned technical scheme, when the plastic drum between two splint falls under self action of gravity, because the plastic drum is contradicted on the upset pole, so the plastic drum will fall again after the upset in advance to be favorable to stacking of a plurality of plastic drums.
The invention is further characterized in that a stacking and containing table for stacking a plurality of plastic barrels is arranged on the ground below the overturning rod.
By adopting the technical scheme, a plurality of plastic barrels can be stacked by using the stacking and containing table below the turning rod.
The invention is further arranged that the guide rod is rotatably connected with a guide wheel embedded in the guide groove.
Through adopting above-mentioned technical scheme, the guide bar utilizes the guide pulley embedding at the guide way, and the guide pulley can take place rolling friction between this moment and the guide way inner wall, compares in sliding friction, and rolling friction's frictional force is littleer, can be favorable to the guide bar to carry out smooth sliding along the guide way at last.
The pushing piece comprises a dovetail sliding groove which is arranged on the base and the extending direction of which is parallel to the extending direction of the fixed shaft, a dovetail sliding block which is embedded in the dovetail sliding groove, a connecting table which is arranged on the upper side of the dovetail sliding block, a connecting groove which is arranged on the upper side of the connecting table, a ring table which is fixed on the periphery side of the end part of the connecting sleeve and the side edge of which is used for being embedded in the connecting groove, and a pushing cylinder which is arranged on the base and the end part of the piston rod of which is connected with the dovetail sliding block.
Through adopting above-mentioned technical scheme, utilize thrust cylinder to drive the forked tail slider and carry out round trip movement along the forked tail spout, simultaneously because the connection platform on the forked tail slider utilizes the spread spectrum on the spread spectrum to supply the adapter sleeve to embed, so the removal of forked tail slider can drive the adapter sleeve and remove, and the spread spectrum again can carry out circumferential rotation in the spread spectrum simultaneously, can make things convenient for the adapter sleeve to carry out circumferential rotation again when axial displacement this moment.
The plastic barrel blanking device has the beneficial effects that when a plastic barrel of an injection molding machine is blanked, a thrust cylinder is utilized to drive a connecting sleeve to move through a dovetail sliding block, when a guide rod is positioned in a spiral groove, a connecting arm of the connecting sleeve rotates and moves horizontally and can approach to one side of the plastic barrel, and when the guide rod is separated from the spiral groove and enters a first horizontal groove, a clamping piece on the connecting arm can be aligned to the plastic barrel;
The guide rod moves reversely from the first water tank to the spiral groove, and the connecting arm of the connecting sleeve rotates and moves horizontally to be separated from the injection molding machine;
when the guide rod moves from the spiral groove to the second horizontal groove, the clamping piece on the connecting arm can be aligned with the discharging arm, then the guide rod moves in the second horizontal groove, the connecting sleeve can drive the clamping piece to move towards one side close to the discharging arm, then the pushing tables on the two clamping arms can be abutted against the push rod on the discharging arm, under the action of the push rod, the clamping arms can be rotated to expand the two clamping plates, and at the moment, the plastic barrel between the two clamping plates can fall under the action of self gravity;
the reciprocating connecting sleeve rotates and moves, so that the plastic barrels can be discharged, and the plastic barrels can be discharged effectively due to the fact that the bin gate is opened to take materials compared with the situation that manpower is needed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the present invention when combined with an injection molding machine.
FIG. 2 is a schematic view of the structure of the present invention, in which the guide bar is located in the first horizontal groove and the clamping member clamps the plastic tub;
FIG. 3 is an enlarged view of the structure of the connecting arm and the clamping member of the present invention;
FIG. 4 is an enlarged view of a portion of the connection sleeve, guide slot, guide bar portion of FIG. 2;
FIG. 5 is an enlarged view of a part of the connection relationship among the connecting sleeve, the guide groove and the pushing member in the present invention;
Fig. 6 is a plan view of the structure of the present invention, in which the guide bar is located in the second horizontal groove and the clamping arm in the clamping member abuts against the push rod.
In the figure, 1, a base, 11, a fixed shaft, 2, a connecting sleeve, 21, a connecting arm, 3, a clamping piece, 31, a clamping arm, 311, a pushing table, 32, a clamping plate, 321, a guide inclined plane, 33, a clamping spring, 4, a driving component, 41, a guide groove, 411, a spiral groove, 412, a first horizontal groove, 413, a second horizontal groove, 42, a fixed arm, 43, a guide rod, 431, a guide wheel, 44, a pushing piece, 441, a dovetail groove, 442, a dovetail sliding block, 443, a connecting table, 444, a connecting groove, 445, a ring table, 446, a pushing cylinder, 5, a discharging arm, 51, a push rod, 52, a connecting rod, 521, a turnover rod and 6, a stacking storage table.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The blanking clamp of the injection molding machine comprises a base 1, wherein the base 1 is positioned on one side of a die module of the injection molding machine, the base 1 is L-shaped, a fixed shaft 11 is arranged on the upper side of the base 1, one end of the fixed shaft 11 is fixed on the upper side of the base 1 through bolts and extends along the horizontal direction, a connecting sleeve 2 is sleeved on the fixed shaft 11, one side of the connecting sleeve 2 is welded with a connecting arm 21, one end of the connecting arm 21, far away from the connecting sleeve 2, is provided with a clamping piece 3 for clamping a plastic barrel, the clamping piece 3 comprises two clamping arms 31, clamping plates 32 and clamping springs 33, the clamping arms 31 are respectively positioned on two sides of the end parts of the connecting arms 21, the middle part of each clamping arm 31 is hinged on the end parts of the connecting arms 21, the clamping plates 32 are integrally arranged on one end parts of the clamping arms 31 and are used for being abutted on the side walls of the plastic barrel, one end parts of the clamping plates 32, which are far away from the clamping arms 31, guide inclined surfaces 321 are arranged on the fixed shaft 11, one ends of the clamping plates 32 are welded between the two clamping plates 32, and the two ends of the clamping springs 32 are welded on the two clamping plates 32 respectively.
Referring to fig. 2, 4 and 5, a driving component 4 is further disposed between the connecting sleeve 2 and the base 1, the driving component 4 is used for driving the connecting sleeve 2 to move and then enabling the clamping piece 3 to clamp out a plastic barrel in the injection molding machine, the driving component 4 comprises a guide groove 41, a fixing arm 42, a guide rod 43 and a pushing piece 44, wherein the guide groove 41 is formed on the outer wall of the connecting sleeve 2, the guide groove 41 comprises a spiral groove 411, a first horizontal groove 412 and a second horizontal groove 413, the spiral groove 411 is located on the middle outer wall of the connecting sleeve 2 and extends spirally along the circumference of the connecting sleeve 2, the projection length of the spiral groove 411 on the section of the connecting sleeve 2 is half the outer diameter length of the connecting sleeve 2, the first horizontal groove 412 is located at one end of the spiral groove 411 and extends in parallel with the extending direction of the connecting sleeve 2, the second horizontal groove 413 is located at one end of the spiral groove 411 far from the first horizontal groove 412 and extends in parallel with the extending direction of the connecting sleeve 2, simultaneously the lower end of the fixing arm 42 is welded on the base 1, the guide rod 43 is welded on the upper end of the fixing arm 43 and the guide rod 43 is embedded in the guide groove 43 and is welded on the guide groove 43.
Referring to fig. 2 and 5, the pushing member 44 is disposed on the base 1 and is used for pushing the connecting sleeve 2 back and forth on the fixed shaft 11, and the pushing member 44 includes a dovetail chute 441, a dovetail sliding block 442, a connecting table 443, a connecting slot 444, a ring table 445 and a pushing cylinder 446, wherein the dovetail chute 441 is disposed on the base 1 and has an extending direction parallel to the extending direction of the fixed shaft 11, the dovetail sliding block 442 is embedded in the dovetail chute 441, the connecting table 443 is integrally disposed on the upper side of the dovetail sliding block 442, the connecting slot 444 is disposed on the upper side of the connecting table 443, the ring table 445 is integrally disposed on the peripheral side of the end portion of the connecting sleeve 2 and has a side edge for being embedded in the connecting slot 444, and the pushing cylinder 446 is fixed on the base 1 by bolts and the end portion of the piston rod is connected with the dovetail sliding block 442 by bolts.
Referring to fig. 2 and 6, a pushing table 311 is further provided at an end of the clamping arm 31 away from the clamping plate 32, a discharging arm 5 is fixed at an end of the fixed shaft 11 away from the base 1 through a bolt, a push rod 51 is fixed at an end of the discharging arm 5 away from the fixed shaft 11, the push rod 51 can be used for abutting against the pushing table 311, meanwhile, a connecting rod 52 is welded at a lower side of an end of the discharging arm 5 away from the fixed shaft 11, a turning rod 521 is welded at an end of the connecting rod 52 away from the discharging arm 5, the section of the turning rod 521 is circular, the turning rod 521 can be used for abutting against a lower side of a plastic barrel and falling down after the plastic barrel is turned, and a stacking containing table 6 for stacking a plurality of plastic barrels is placed on the ground below the turning rod 521.
When the plastic barrel of the injection molding machine is fed, firstly, a piston rod of a thrust cylinder 446 is retracted to drive a connecting sleeve 2 to move through a dovetail sliding block 442, wherein when a guide rod 43 is positioned in a spiral groove 411, a connecting arm 21 of the connecting sleeve 2 rotates and moves horizontally to approach to one side of the plastic barrel, when the guide rod 43 is separated from the spiral groove 411 and enters a first horizontal groove 412, a clamping piece 3 on the connecting arm 21 can be aligned with the plastic barrel, then the guide rod 43 moves in the first horizontal groove 412, at the moment, the connecting sleeve 2 can drive the clamping piece 3 to move to one side close to the plastic barrel, and then a guide inclined surface 321 of a clamping plate 32 can abut against the plastic barrel and then two clamping plates 32 expand, so that the clamping of the plastic barrel is completed.
The piston rod of the thrust cylinder 446 is then extended, and the guide rod 43 is reversely moved in the first horizontal groove 412, so that the clamping member 3 removes the plastic tub from the mold module of the injection molding machine, and the guide rod 43 is reversely moved from the first water groove into the spiral groove 411, and the connecting arm 21 of the connecting sleeve 2 is rotated and horizontally moved, thereby being separated from the injection molding machine.
When the guide rod 43 moves from the spiral slot 411 to the second horizontal slot 413, the clamping piece 3 on the connecting arm 21 can be aligned with the discharge arm 5, then the guide rod 43 moves in the second horizontal slot 413, at this time, the connecting sleeve 2 can drive the clamping piece 3 to move towards the side close to the discharge arm 5, then the pushing tables 311 on the two clamping arms 31 can be abutted against the push rod 51 on the discharge arm 5, under the action of the push rod 51, the clamping arms 31 can be rotated to expand the two clamping plates 32, at this time, the plastic barrel between the two clamping plates 32 can fall under the action of self gravity, and as the plastic barrel is abutted against the overturning rod 521, the plastic barrel can be overturned and then falls down, so that a plurality of plastic barrels can be stacked on the stacking storage table 6.
The connecting sleeve 2 which reciprocates in this way rotates and moves, and therefore, the discharging of a plurality of plastic barrels can be carried out, and compared with the case that a bin gate is opened by manpower to take materials, the plastic barrels can be effectively discharged finally.