CN115056440B - Medical treatment injection mold shaping is with postponing shedder - Google Patents

Abstract

The invention discloses a delayed demoulding device for medical injection mould forming, which comprises a fixed seat and a movable plate, wherein one opposite sides of the fixed seat and the movable plate are respectively detachably connected with a first module and a second module, the fixed seat is provided with a power mechanism, the power mechanism is connected with two sliding sleeves, the two sliding sleeves are jointly connected with an extrusion mechanism, the extrusion mechanism is connected with the movable plate, and the extrusion mechanism is provided with four push rods. According to the invention, the delayed separation and demoulding of the first module and the second module are realized through the steps of spring extrusion and extension and the connection and separation of the inserting plate and the inserting groove, so that the abutting firmness of the first module and the second module during demoulding can be well ensured, the condition that the product is damaged or not cooled to the right position due to the direct separation of the mould by transmission injection molding equipment to influence the product quality is avoided, the cooling time is prolonged, the product production effect and quality are ensured, and meanwhile, the automatic mould closing and demoulding operation can be realized.

Description

Medical treatment injection mold shaping is with postponing shedder

Technical Field

The invention relates to the technical field of medical injection molds, in particular to a delayed demolding device for forming of a medical injection mold.

Background

The injection molding is also called injection molding, and is a molding method combining injection molding and molding, and has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, precise product size, easy product replacement, and capability of forming products with complex shapes.

After finishing moulding plastics, thereby need carry out cooling to the injection molding and make it solidify fast, thereby conveniently carry out the drawing of patterns, but among the current injection moulding equipment, when the split, part operates and makes direct separation between the mould, the condition that leads to injection molding and mould adhesion because of cooling off not in place can appear, especially often can keep producing under the sterile environment in the medical appliances course of working, the adhesion condition still needs other parts to clear up, seriously influence aseptic production environment, certain delay appears in the mode that generally adopts the spring part among the prior art scheme after the part operation, avoid the mould direct separation, prolong cooling time, make better the solidifying of injection molding, but this kind of mode is equivalent to the pressure that applies to the mould and reduces, the condition that the mould misplaces can appear, directly influence product quality, for this reason, we have proposed a medical injection mould shaping and have solved above-mentioned problem with delaying demoulding device.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a delayed demoulding device for medical injection mould forming.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a medical treatment injection mold shaping is with delaying shedder, includes fixing base and movable plate, the relative one side of fixing base and movable plate can be dismantled respectively and be connected with first module and second module, install power unit on the fixing base, be connected with two sliding sleeves on the power unit, be connected with extrusion mechanism on two sliding sleeves jointly, extrusion mechanism and movable plate are connected, install four push rods on the extrusion mechanism, run through on second module and the movable plate and be equipped with four intubate, four intubate are all fixed on the movable plate, be equipped with the promotion subassembly in the intubate, promotion subassembly and push rod are connected, the opening has been seted up to one side of intubate, one side four corners of first module all is equipped with the jack, and four intubate are corresponding with four jacks respectively, seted up the slot in the jack, four openings are corresponding with four slots respectively, be equipped with positioning mechanism in the intubate, four picture pegs are sliding mounting respectively in four openings, and four picture pegs are corresponding with four slots respectively, the both sides of picture peg all are equipped with three angular grooves, be fixed with two fixed plates on the promotion subassembly, two relative one sides of two fixed plate all are fixed with the triangle push pedal, two triangle push pedal in the same picture peg are corresponding with two triangle grooves respectively.

Preferably, in order to realize automatic adjustment, power unit is including installing the motor element in fixing base upper end one side, motor element's output shaft end is fixed with the transmission shaft, the U type pendulum rod has been cup jointed in the rotation on the fixing base, and two sliding sleeves rotate through the lower extreme both sides of two fixed axles and U type pendulum rod respectively and connect, the fixed suit of transmission shaft is on U type pendulum rod.

Preferably, for the promotion picture peg that can be fine carries out reciprocating motion, the promotion subassembly includes the slide bar of slidable mounting in the picture peg, the one end and the push rod fixed connection of slide bar, two fixed plates and slide bar fixed connection in the same picture peg.

Preferably, in order to help ensure the stability of the relative movement of the first module and the second module and facilitate the insertion and interference, a transverse shaft is fixed at the upper end of the fixed seat and is slidably mounted at the upper end of the movable plate.

Preferably, in order to provide power for the movement of the moving plate well, the squeezing mechanism comprises two fixing rods which are slidably mounted in the two sliding sleeves respectively, two U-shaped frames are fixed on the two fixing rods together, a connecting plate is fixed on the two U-shaped frames together, a pushing mechanism is arranged on the connecting plate, the pushing mechanism is connected with the moving plate, and the connecting plate is fixedly connected with the four push rods.

Preferably, in order to push the movable plate to move towards the direction of the fixed seat through the spring, the pushing mechanism comprises two supporting shafts arranged on the connecting plate in a penetrating mode, the supporting shafts are sleeved with springs, and two ends of each spring are fixed to the opposite sides of the movable plate and the corresponding connecting plate respectively.

Preferably, in order to conveniently drive the movable plate to move towards the direction far away from the fixed seat, a fixed disc is fixed on the supporting shaft and is located on one side, far away from the movable plate, of the connecting plate.

Preferably, in the slot is gone into in order to make things convenient for the plug, help guaranteeing the compactness that first module and second module contradict, the one end both sides of picture peg all are the arc setting.

Preferably, in order to avoid the random movement of picture peg that can be fine, help guaranteeing the relative stability of picture peg position, positioning mechanism is including running through the lead screw that sets up in the picture peg, the one end of lead screw is fixed on the one end lateral wall in the picture peg, the spiral shell has screw nut on the lead screw, screw nut rotates the cup joint on the picture peg.

The invention has the beneficial effects that:

1. the movable plate can be well pushed to move through the matching of the spring and the supporting shaft, and can be extruded by the connecting plate and the spring to move towards the direction of the fixed seat, so that the first module and the second module are tightly abutted, meanwhile, when the movable plate is detached, the spring is firstly extended and restored, and when the connecting plate is abutted against the fixed disk, the movable plate is driven to reset and be separated, so that the delayed demolding is realized, and the injection molding effect and quality are further improved;

2. the U-shaped swing rod can be well driven to reciprocate through the matching of the motor assembly and the transmission shaft, the sliding sleeve can be well lifted on the fixed rod through the action of the fixed shaft and the sliding sleeve, the fixed rod is pushed to move towards the direction of the fixed seat, the spring is conveniently pressed by pushing the connecting plate through the fixed rod, the spring pushes the moving plate, power is provided for the reciprocating movement of the moving plate, and therefore automatic die assembly and demolding can be well realized;

3. when the first module and the second module are initially abutted, the connecting plate can push the push rod, the slide rod can push the triangular push plate close to the push rod to be inserted into the corresponding triangular groove, and the inserting plate can be pushed to penetrate the opening and extend into the inserting groove, so that the first module and the second module can be firmly abutted, and meanwhile, the situation of loosening is avoided;

4. when the injection molding device is disassembled, the fixing plate far away from the push rod can drive the triangular push plate and the corresponding triangular groove to be inserted, the inserting plate can be moved out of the inserting groove, the first module and the second module can be separated only after the inserting plate is moved out, the effect of delaying demolding is facilitated to be ensured, the position stability between the first module and the second module is ensured under the condition that the pressure of the spring on the moving plate is reduced, the condition that the conventional injection molding device is loosened and misplaced during delaying demolding is avoided, and the firmness of connection is ensured;

5. the matching of the screw rod and the screw nut is helpful for ensuring the stability of the position of the plugboard, thereby ensuring the positioning stability between the plugboard and the slot and ensuring the abutting firmness of the first module and the second module;

in conclusion, the delayed separation and demoulding of the first module and the second module are realized through the steps of spring extrusion and extension and the connection and separation of the inserting plate and the slot, so that the abutting firmness of the first module and the second module during demoulding can be well ensured, the condition that the product quality is influenced because the product is damaged or not cooled due to the direct separation of the mould by the transmission injection molding equipment is avoided, the cooling time is prolonged, the production effect and quality of the product are ensured, and meanwhile, the automatic mould closing and demoulding operation can be realized.

Drawings

FIG. 1 is a schematic diagram of a delayed demolding device for medical injection mold molding according to the present invention;

FIG. 2 is a view showing the internal structure of an insert tube of a delayed release device for medical injection mold molding according to the present invention;

FIG. 3 is an enlarged view of the delayed release device for medical injection mold molding in accordance with the present invention at the location B;

fig. 4 is an enlarged view of a part a of the delayed demolding device for medical injection mold molding according to the present invention.

In the figure: the device comprises a motor component 1, a transmission shaft 2, a 3U-shaped swing rod, a transverse shaft 4, a fixed seat 5, a first module 6, a second module 7, an opening 8, an insertion tube 9, a fixed rod 10, a connecting plate 11, a push rod 12, a movable plate 13, a slot 14, a slide rod 15, a fixed plate 16, a triangular push plate 17, a lead screw 18, a lead screw nut 19, a triangular groove 20, a plug plate 21, a sliding sleeve 22, a fixed shaft 23, a 24U-shaped frame 25, a spring 26, a supporting shaft 27, a jack 27 and a fixed disc 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a medical treatment injection mold is with delaying shedder, including fixing base 5 and movable plate 13, install corresponding part on it, the relative one side of fixing base 5 and movable plate 13 can be dismantled respectively and be connected with first module 6 and second module 7, can be fine install first module 6 and second module 7 respectively on fixing base 5 and movable plate 13 through bolt assembly, install fixing base 5 and movable plate 13 on the corresponding equipment for moulding plastics, can connect injection molding pipe and fixing base 5, conveniently carry out the operation of moulding plastics, install cooling part on the corresponding equipment for moulding plastics, cooling part is connected with first module 6 and second module 7, conveniently make the injection molding cooling shaping in it fast, be convenient for demould the injection molding.

Referring to fig. 1-4, a power mechanism is installed on the fixing base 5, the power mechanism is connected with two sliding sleeves 22, the two sliding sleeves 22 are connected with an extrusion mechanism together, the extrusion mechanism is connected with the movable plate 13, the extrusion mechanism is provided with four push rods 12, the two sliding sleeves 22 can operate through the power mechanism, and the push rods 12 can be driven to move stably.

Referring to fig. 1, power unit is including installing motor element 1 in fixing base 5 upper end one side, motor element 1 is by the controller, including a motor, an end cap, a controller, and a cover plate, the speed reducer, parts such as even axle part are constituteed, can be fine control by the staff, and can carry out automatic operation through modes such as preset program, motor element 1 is connected with the equipment of moulding plastics, be convenient for cooperate the function, motor element 1's output shaft end is fixed with transmission shaft 2, it has cup jointed U type pendulum rod 3 to rotate on the fixing base 5, two sliding sleeves 22 rotate the connection through the lower extreme both sides of two fixed axles 23 and U type pendulum rod 3 respectively, 2 fixed suits of transmission shaft are on U type pendulum rod 3, motor element 1 can be fine carry out forward and reverse rotation, thereby conveniently drive transmission shaft 2 and make the reciprocal rotation of U type pendulum rod 3, thereby conveniently provide power for the compound die and the drawing of patterns operation of moulding plastics.

Referring to fig. 1, the second module 7 and the moving plate 13 are provided with four insertion tubes 9 in a penetrating manner, the four insertion tubes 9 are fixed on the moving plate 13, and the second module 7 is arranged on the four insertion tubes 9 in a penetrating manner, so that the installation stability of the second module 7 is ensured, the second module is convenient to correspond to the first module 6, and the injection molding, cooling and demolding operations are convenient to perform.

Referring to fig. 2 and 3, a pushing assembly is arranged in the insertion tube 9, the pushing assembly is connected with the push rod 12, the pushing assembly is conveniently operated through the operation of the push rod 12, the pushing assembly comprises a slide rod 15 which is slidably mounted in the insertion tube 9, one end of the slide rod 15 is fixedly connected with the push rod 12, two fixing plates 16 and two slide rods 15 in the same insertion tube 9 are fixedly connected, when the push rod 12 is operated, the slide rod 15 which is fixed with the push rod can be well stably moved in the insertion tube 9, and therefore the fixing plate 16 which is fixedly connected with the push rod is conveniently driven to operate.

Referring to fig. 1 and 2, opening 8 has been seted up to one side of intubate 9, and one side four corners of first module 6 all is equipped with jack 27, and four intubate 9 are corresponding with four jack 27 respectively, make things convenient for intubate 9 to inject in the jack 27 that corresponds, the stability of guaranteeing to peg graft that can be fine helps making first module 6 and the accurate correspondence of second module 7.

Referring to fig. 1 and 2, a slot 14 is formed in the insertion hole 27, four openings 8 correspond to the four slots 14 respectively, a positioning mechanism is arranged in the insertion tube 9, and an insertion plate 21 is arranged on the positioning mechanism, so that the insertion plate 21 can well maintain the stability of the position without external force, and the situation of loosening and shaking is avoided, the four insertion plates 21 are slidably mounted in the four openings 8 respectively, and can well stably move, the four insertion plates 21 correspond to the four slots 14 respectively, so that the firmness of connection with the first module 6 is guaranteed, the overall stability is improved, and the tightness of collision between the first module 6 and the second module 7 is guaranteed, triangular grooves 20 are formed in two sides of the insertion plate 21, two fixing plates 16 are fixed on the pushing assembly, triangular push plates 17 are fixed on opposite sides of the two fixing plates 16, the triangular push plates 17 correspond to the triangular grooves 20, the inclined ends of the triangular push plates 17 can be well inserted into the corresponding triangular grooves 20, and the insertion plate 21 can be moved conveniently, and two triangular push plates 17 in the same insertion tube 9 correspond to the two triangular grooves 20 respectively, so that the position of the insertion plate 21 can be well adjusted, and the corresponding insertion plate 14 can be conveniently, and the insertion plate 21 can be moved out of the insertion plate 21 or the insertion plate 21 can be moved out of the slot 14.

Referring to fig. 3, the positioning mechanism includes a lead screw 18 penetrating through an insert plate 21, one end of the lead screw 18 is fixed on a side wall of one end in the insert tube 9, a lead screw nut 19 is screwed on the lead screw 18, the lead screw nut 19 is rotatably sleeved on the insert plate 21, when the insert plate 21 moves, the relative position between the insert plate and the lead screw 18 changes, the movement of the insert plate 21 drives the lead screw nut 19 to move, the lead screw nut 19 can rotate to adapt to the movement of the insert plate 21, when no external force exists, the lead screw nut 19 does not rotate, and the position of the insert plate 21 is kept stable.

Referring to fig. 1, a transverse shaft 4 is fixed at the upper end of a fixed seat 5, the transverse shaft 4 is slidably mounted at the upper end of a movable plate 13, so that the movable plate 13 can stably move relative to the fixed seat 5, and the smoothness of the relative movement of the movable plate 13 and the fixed seat 5 can be well ensured through the transverse shaft 4.

Referring to fig. 1 and 4, the extruding mechanism includes two fixing rods 10 respectively slidably mounted in two sliding sleeves 22, two U-shaped frames 24 are jointly fixed on the two fixing rods 10, a connecting plate 11 is jointly fixed on the two U-shaped frames 24, a pushing mechanism is arranged on the connecting plate 11, the pushing mechanism is connected with the moving plate 13, the connecting plate 11 is fixedly connected with four push rods 12, the motor assembly 1 drives the transmission shaft 2 to make the U-shaped oscillating rod 3 drive the sliding sleeves 22 to move, the sliding sleeves 22 can only perform lifting motion on the fixing rods 10, so as to pull the fixing rods 10 to perform reciprocating motion to adapt to the swinging of the U-shaped oscillating rod 3, when the fixing rods 10 make the connecting plate 11 push the moving plate 13 to move towards the fixing seat 5 through the U-shaped frames 24, the stability of the moving between the moving plate 13 and the fixing seat 5 can be ensured through the transverse shaft 4, so as to make the second module 7 correspond to the first module 6 in an inserting manner, the inserting tube 9 can be inserted into the corresponding inserting hole 27 in the inserting manner, and when the inserting abutting is completed, the sliding sleeves 22 can drive the fixing rods 10 to continue to move towards the fixing seat 5, so as to extrude the springs 25.

Referring to fig. 1, the pushing mechanism includes two supporting shafts 26 penetrating through the connecting plate 11, a spring 25 is sleeved on the supporting shafts 26, two ends of the spring 25 are respectively fixed on one side of the movable plate 13 opposite to the connecting plate 11, the sliding sleeve 22 can drive the fixing rod 10 to move continuously in the direction of the fixing seat 5, the spring 25 is extruded, and the push rod 12 is enabled to push the sliding rod 15 to move so that the two fixing plates 16 on the sliding rod 15 can drive the triangular push plate 17 fixed to the sliding rod 15 to move, after the injection molding is completed, the U-shaped swing rod 3 is enabled to reset, the fixing rod 10 can be driven to reset, and the fixing rod 10 can firstly enable the spring 25 to recover to the original state and to abut against the fixing plate 28 to drive the movable plate 13 to reset.

Referring to fig. 1, a fixed disc 28 is fixed on the supporting shaft 26, the fixed disc 28 is located on a side of the connecting plate 11 away from the moving plate 13, the fixed disc 10 is reset to enable the spring 25 to restore its original shape and to contact with the fixed disc 28, so as to drive the moving plate 13 to restore, and at the same time, the connecting plate 11 drives the push rod 12 and the sliding rod 15 to restore.

Referring to fig. 2, both sides of one end of the inserting plate 21 are arc-shaped, and the arc-shaped inserting plate 21 can be inserted well, so that the inserting accuracy of the inserting plate 21 and the inserting groove 14 is ensured.

In the invention, when in use, the motor component 1 drives the transmission shaft 2 to drive the U-shaped swing rod 3 to drive the sliding sleeve 22 to move, the sliding sleeve 22 can only lift on the fixed rod 10, so that the fixed rod 10 can be pulled to move back and forth to adapt to the swinging of the U-shaped swing rod 3, when the fixed rod 10 enables the connecting plate 11 to push the moving plate 13 to move towards the fixed seat 5 through the U-shaped frame 24 and the spring 25, the moving stability between the moving plate 13 and the fixed seat 5 can be ensured through the transverse shaft 4, the second module 7 and the first module 6 can be correspondingly plugged, the inserting pipe 9 can be inserted into the corresponding inserting hole 27 during plugging, after the plugging and butting are finished, the sliding sleeve 22 can drive the fixed rod 10 to continue to move towards the fixed seat 5, the spring 25 is extruded, and the push rod 12 can push the slide rod 15 to move, so that the two fixed plates 16 on the slide rod 15 can drive the triangular push plate 17 fixed with the slide rod to move, the triangular push plate 17 is inserted into the corresponding triangular groove 20, the inserting plate 21 is pushed to penetrate through the inserting tube 9 and extend into the inserting groove 14, the stability of the distance between the first module 6 and the moving plate 13 can be ensured, the abutting firmness of the first module 6 and the second module 7 is ensured, after the injection molding is finished, the U-shaped swing rod 3 is reset, the fixed rod 10 can be pushed to reset, the fixed rod 10 is reset, the spring 25 can be reset to the original state and is abutted against the fixed disk 28, the moving plate 13 can be driven to reset, meanwhile, the connecting plate 11 can drive the push rod 12 and the slide rod 15 to reset, the other fixed plate 16 in the inserting tube 9 drives the triangular push plate 17 fixed with the other fixed plate to be inserted into the corresponding triangular groove 20, the inserting plate 21 is moved out of the inserting tube 14 and is retracted into the inserting tube 9, the inserting tube 9 can be separated from the first module 6, and the situation that the traditional injection molding equipment is directly separated is avoided, the cooling time can be prolonged, and the demoulding operation can be realized better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (1)

1. The utility model provides a medical treatment injection mold shaping is with postponing shedder, includes fixing base (5) and movable plate (13), its characterized in that: the relative one side of fixing base (5) and movable plate (13) can be dismantled respectively and be connected with first module (6) and second module (7), install power unit on fixing base (5), be connected with two sliding sleeves (22) on the power unit, be connected with extrusion mechanism jointly on two sliding sleeves (22), extrusion mechanism and movable plate (13) are connected, install four push rods (12) on the extrusion mechanism, it is equipped with four intubate (9) to run through on second module (7) and movable plate (13), and four intubate (9) are all fixed on movable plate (13), be equipped with in intubate (9) and promote the subassembly, it is connected to promote subassembly and push rod (12), opening (8) have been seted up to one side of intubate (9), one side four corners of first module (6) all are equipped with jack (27), and four intubate (9) are corresponding with four jack (27) respectively, it has seted up slot (14) in jack (27) to have four openings (8) respectively corresponding with four slot (14), be equipped with positioning mechanism in intubate (9), be equipped with picture peg (21) on positioning mechanism, four openings (21) install respectively and slide four corresponding slots (14) respectively, the both sides of picture peg (21) all are equipped with triangular groove (20), be fixed with two fixed plates (16) on the promotion subassembly, the relative one side of two fixed plates (16) all is fixed with triangle push pedal (17), two triangle push pedal (17) in same intubate (9) are corresponding with two triangular groove (20) respectively, power unit rotates including motor element (1) of installing in fixing base (5) upper end one side, the output shaft end of motor element (1) is fixed with transmission shaft (2), rotate on fixing base (5) and cup jointed U type pendulum rod (3), two sliding sleeve (22) are respectively through the lower extreme both sides rotation connection of two fixed axles (23) and U type pendulum rod (3), transmission shaft (2) fixed suit is on U type pendulum rod (3), the promotion subassembly includes slide bar (15) of slidable mounting in intubate (9), the one end and the push rod (12) fixed connection of slide bar (15), two fixed plates (16) and the slide bar (15) fixed connection in same intubate (9), the upper end of fixing base (5) is fixed with movable plate (4), install in the cross axle (4) slide bar (13) respectively including two extrusion mechanism (10), be fixed with two U type frame (24) jointly on two dead lever (10), be fixed with connecting plate (11) jointly on two U type frame (24), be equipped with pushing and pressing mechanism on connecting plate (11), pushing and pressing mechanism and movable plate (13) are connected, connecting plate (11) and four push rod (12) fixed connection, pushing and pressing mechanism is including running through two back shaft (26) that set up on connecting plate (11), the cover is equipped with spring (25) on back shaft (26), the relative one side at movable plate (13) and connecting plate (11) is fixed respectively at the both ends of spring (25), be fixed with fixed disk (28) on back shaft (26), fixed disk (28) are located one side that movable plate (13) was kept away from in connecting plate (11), the one end both sides of picture peg (21) all are the arc setting, positioning mechanism is including running through lead screw (18) that set up in picture peg (21), the one end of lead screw (18) is fixed on the one end lateral wall in intubate (9), the spiral shell has lead screw nut (19) on lead screw (18), lead screw nut (19) rotates to cup joint on picture peg (19).

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