Lifting device for needle valve type blank injection mold

Abstract

The utility model relates to the technical field of lifting equipment, in particular to a lifting device of a needle valve type blank injection mold, which comprises a lifting frame, a lifting mechanism and a lifting mechanism. One clamping jaw comprises two rotating seats, the top surfaces of the two rotating seats are fixedly connected with the bottom surface of the bottom plate, the interiors of the two rotating seats are rotatably connected with connecting rods, the bottom ends of the two connecting rods are rotatably connected with contact jaws, and the opposite side walls of the two connecting rods are fixedly connected with first connecting blocks. According to the lifting device, the two clamping jaws and the two adjusting mechanisms are arranged in a matched mode, the first lead screw is controlled to rotate, and the third electric telescopic rod is controlled to extend or contract, so that the lifting device can be flexibly adjusted according to needle valve type blank injection molds of different sizes, and the clamping jaws can be attached to the top sides of the molds; risks of shaking and die damage in the lifting process are reduced, the operation process is greatly simplified, the requirement for direct manual intervention is reduced, and the operation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of lifting equipment technology, specifically a lifting device for a needle valve type injection mold. Background Technology

[0002] In the bottle production process, preform injection and blow molding are two main processes. If the quality of the preform produced in the preform injection process is not up to standard, it will directly affect the quality of the bottle in the subsequent blow molding process. Needle valve type preform injection mold is a key piece of equipment in the preform injection process. These molds are usually large, heavy and complex in structure, so lifting devices are required during production, handling and storage.

[0003] Traditional lifting devices mostly use simple hooks or fixed clamps, along with wire ropes, for operation. These methods have many shortcomings: First, they lack stability and are difficult to fit tightly against the mold, which can easily cause the mold to shake. Second, they are complicated to operate, requiring manual adjustment of the clamp position or installation of wire ropes, which is inefficient and poses safety hazards. Utility Model Content

[0004] The purpose of this invention is to provide a lifting device for a needle valve type injection mold to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A lifting device for a needle valve type injection mold includes:

[0007] Lifting frame, the lifting frame including a base plate;

[0008] The gripper has two parts. Each gripper includes two rotating seats. The top surfaces of the two rotating seats are fixedly connected to the bottom surface of the base plate. A connecting rod is rotatably connected inside each of the two rotating seats. A contact claw is rotatably connected to the bottom end of each of the two connecting rods. A connecting block one is fixedly connected to the opposite sidewalls of the two connecting rods. A connecting block two is fixedly connected to the opposite sidewalls of the two contact claws.

[0009] The adjustment mechanism has two parts. One adjustment mechanism includes a lead screw, and two movable blocks are symmetrically screwed to the outer wall of the lead screw. The side walls of the two movable blocks are rotatably connected to rotating rods via round rods. The ends of the rotating rods are rotatably connected to the corresponding connecting blocks. The bottom surfaces of the two movable blocks are fixedly connected to fixed rods. The bottom sides of the two fixed rods are rotatably connected to electric telescopic rods via round rods. The output end of the electric telescopic rods is rotatably connected to the corresponding connecting blocks.

[0010] Further in: the two ends of the lead screw one are rotatably connected with fixing frames, the top surfaces of the two fixing frames are fixedly connected with the bottom surface of the bottom plate, the outer wall of one of the fixing frames is fixedly connected with a motor one, and the motor shaft of the motor one is in transmission connection with the lead screw one.

[0011] Further in: the upper portion of the lifting frame is further provided with a cross beam, the bottom surface of the cross beam is rotatably connected with a lead screw two, the end side of the cross beam is fixedly connected with a motor two, the motor shaft of the motor two is in transmission connection with the lead screw two, and the two side walls of the motor two are both provided with grooves.

[0012] Further in: the top surface of the top plate and the top surface of the bottom plate are fixedly connected with four electric telescopic rods one in mutual symmetry, the top surface of the top plate is fixedly connected with a moving block in screw connection with the outer wall of the lead screw two, and the top surface of the top plate is fixedly connected with two clamping plates in mutual symmetry, and the two clamping plates are respectively in sliding fit with the two grooves.

[0013] Further in: the opposite side walls of the two contact claws are both provided with sliding grooves, and the inner portions of the sliding grooves are fixedly connected with electric telescopic rods two.

[0014] Further in: the opposite side walls of the two contact claws are both provided with pressing plates, the side walls of the pressing plates are fixedly connected with sliding blocks, the sliding blocks are in sliding connection with the sliding grooves, and the output ends of the electric telescopic rods two are fixedly connected with the top surfaces of the sliding blocks.

[0015] Further in: the outer walls of the pressing plates and the contact claws are both provided with anti-skid pads.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] Through the cooperation of the two clamping jaws and the two adjusting mechanisms, the rotation of the lead screw one and the extension or contraction of the electric telescopic rod three are controlled, the lifting device can be flexibly adjusted according to needle valve type injection embryo molds of different sizes, the clamping jaws can be attached to the mold top side, the shaking and mold damage risk in the lifting process are reduced, the operation process is greatly simplified, the need for manual direct intervention is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a whole structure schematic view of a needle valve type injection embryo mold lifting device of the utility model;

[0019] Figure 2 is an adjusting mechanism structure schematic view in the utility model;

[0020] Figure 3 is a clamping jaw structure schematic view in the utility model;

[0021] Figure 4 is the internal structure diagram of the contact claw in the utility model;

[0022] Figure 5 is the horizontal beam structure schematic view in the utility model;

[0023] Figure 6 is the lifting frame structure schematic view in the utility model.

[0024] In the figure: 100, lifting frame; 110, bottom plate; 120, top plate; 121, moving block; 130, electric telescopic rod one; 140, clamping plate; 200, clamping jaw; 210, rotating seat; 220, connecting rod; 221, connecting block one; 230, contact claw; 231, connecting block two; 232, sliding groove; 240, pressing plate; 241, sliding block; 250, electric telescopic rod two; 300, adjusting mechanism; 310, screw one; 320, movable block; 330, round rod one; 340, rotating rod; 350, fixed rod; 360, round rod two; 370, electric telescopic rod three; 380, fixed frame; 390, motor one; 400, horizontal beam; 4001, recess; 410, screw two; 420, motor two. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] EMBODIMENT

[0027] Please refer to Figures 1-6The utility model discloses an embodiment of a kind of needle valve type embryo injection mold hoist, including lifting frame 100, lifting frame 100 includes bottom plate 110, the bottom surface of bottom plate 110 is provided with two mutually symmetrical clamping jaw 200 and two mutually symmetrical adjusting mechanism 300, clamping jaw 200 includes two rotating seat 210, the top surface of two rotating seat 210 is all fixedly connected with the bottom surface of bottom plate 110, the inside of two rotating seat 210 is all rotatably connected with connecting rod 220, rotating seat 210 inside is equipped with mounting hole, the top end of connecting rod 220 is equipped with shaft portion, shaft portion inserts mounting hole and forms clearance fit, so that connecting rod 220 can rotate freely relative to rotating seat 210 around its axis, the bottom end of two connecting rod 220 is rotatably connected with contact claw 230, connecting rod 220 bottom end is equipped with U-shaped fork portion, coaxial hole is processed on both sides of fork portion, contact claw 230 top is equipped with corresponding pin hole, by cylindrical pin or hinged bolt and pass through the pin hole of U-shaped fork portion and contact claw 230, form the clearance fit of shaft hole, so that contact claw 230 can swing around pin shaft, the opposite side wall of two connecting rod 220 is all fixedly connected with connecting block one 221, the opposite side wall of two contact claw 230 is all fixedly connected with connecting block two 231, adjusting mechanism 300 includes screw one 310, screw one 310 is positive and negative tooth screw rod, the outer wall of screw one 310 is symmetrically screw-connected with two movable blocks 320, the side wall of two movable blocks 320 is rotatably connected with rotating rod 340 by round bar one 330, one end of round bar one 330 is fixedly connected with the side wall of movable block 320, and the other end is rotatably connected with the shaft hole on the end portion of rotating rod 340, the end portion of rotating rod 340 is rotatably connected with corresponding connecting block one 221, the bottom surface of two movable blocks 320 is all fixedly connected with fixed rod 350, the bottom side of two fixed rods 350 is rotatably connected with electric telescopic rod three 370 by round bar two 360, the output end of electric telescopic rod 370 is rotatably connected with corresponding connecting block two 231, the both ends of screw one 310 are rotatably connected with fixed frame 380, the top surface of two fixed frames 380 is all fixedly connected with the bottom surface of bottom plate 110, the outer wall of one of fixed frame 380 is fixedly connected with motor one 390, and the motor shaft of motor one 390 is drivingly connected with screw one 310.

[0028] Specifically, the lifting device is moved to the top of the pin valve type embryo injection mold, two motors 390 are started according to the size of the mold, the lead screw 310 is rotated, the two movable blocks 320 on the outer wall of the lead screw 310 are moved towards each other or away from each other, the included angle between the connecting rod 220 and the bottom plate 110 is changed to adapt to the profile of the mold, the two electric telescopic rods 370 are controlled to extend or retract, the angle between the contact claws 230 and the connecting rod 220 is changed, the two contact claws 230 are always perpendicular to the bottom surface and parallel to the side of the mold, and the two contact claws 230 are always perpendicular to the bottom surface and parallel to the side of the mold. The side of the mold is started, the four contact claws 230 form clamping to the mold, the bottom of the contact claw 230 is provided in a boss shape, and the top side of the mold is abutted, so that the mold is stably fixed, and then the lifting operation is performed.

[0029] As shown in Figures 5-6 , in this embodiment, the upper side of the lifting frame 100 is further provided with a cross beam 400, the bottom surface of the cross beam 400 is rotatably connected with a lead screw 410, the end side of the cross beam 400 is fixedly connected with a motor 420, the motor shaft of the motor 420 is in transmission connection with the lead screw 410, recesses 4001 are formed in the two side walls of the motor 420, the upper side of the bottom plate 110 is provided with a top plate 120, the bottom surface of the top plate 120 and the top surface of the bottom plate 110 are fixedly connected with four electric telescopic rods 130 which are symmetrically arranged, the top surface of the top plate 120 is fixedly connected with a moving block 121 which is in screw connection with the outer wall of the lead screw 410, the top surface of the top plate 120 is fixedly connected with two clamping plates 140 which are symmetrically arranged, the two clamping plates 140 are in sliding connection with the two recesses 4001 respectively, and the stability is enhanced.

[0030] In this embodiment, after the mold is clamped and fixed by the clamping jaw 200, the four electric telescopic rods 130 are controlled to retract, the mold is lifted, the motor 420 is started, the lead screw 410 is rotated, the moving block 121 moves along the outer wall thereof, and then the top plate 120 and the mold below the top plate 120 are moved to the required position.

[0031] As shown in Figures 3-4 , in this embodiment, the opposite side walls of the two contact claws 230 are provided with sliding grooves 232, the electric telescopic rods 250 are fixedly connected in the sliding grooves 232, the opposite side walls of the two contact claws 230 are provided with pressing plates 240, the side walls of the pressing plates 240 are fixedly connected with sliding blocks 241 which are in sliding connection with the sliding grooves 232, the output ends of the electric telescopic rods 250 are fixedly connected with the top surfaces of the sliding blocks 241, and the outer walls of the pressing plates 240 and the contact claws 230 are provided with antiskid pads.

[0032] In the embodiment, when the contact claw 230 clamps the side of the mold, the electric telescopic rod 2 is controlled to extend, the sliding block 241 slides along the sliding groove 232, the pressing plate 240 is pushed to move downward until the pressing plate 240 contacts with the top surface of the mold, and the clamping force is formed with the boss at the bottom of the contact claw 230, so that the clamping force is enhanced.

[0033] In the application, the motor one and the motor two are connected to the motor input end through a direct current power supply (such as a lithium battery) or an alternating current power supply (adapter conversion), and a PWM signal is output by a control module (such as an MCU), the motor is driven to operate through an H-bridge circuit, manual switch control, sensor triggering or wireless signal (such as Bluetooth) remote control are supported, the above power supply, driving and control modes are prior art in the field, and those skilled in the art can select an adaptive scheme according to actual needs, so the above power supply, driving and control modes are not described in detail.

[0034] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

[0035] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A lifting device for a pin valve type embryo transfer mold, characterized by, The utility model relates to a lifting frame, which comprises a base plate (110), two clamping jaws (200), two adjusting mechanisms (300) and a crossbeam (400). Each clamping jaw (200) comprises two rotating seats (210) fixedly connected to the bottom surface of the base plate (110), two connecting rods (220) rotatably connected to the interiors of the rotating seats (210), two contact claws (230) rotatably connected to the bottom ends of the connecting rods (220), a connecting block one (221) fixedly connected to the opposite side walls of each connecting rod (220), and a connecting block two (231) fixedly connected to the opposite side walls of each contact claw (230). Each adjusting mechanism (300) comprises a lead screw one (310), two movable blocks (320) symmetrically screwed to the outer wall of the lead screw one (310), a rotating rod (340) rotatably connected to the side walls of each movable block (320) through a round rod one (330), an end of the rotating rod (340) rotatably connected to the corresponding connecting block one (221), two fixed rods (350) fixedly connected to the bottom surfaces of each movable block (320), and an electric telescopic rod three (370) rotatably connected to the bottom sides of each fixed rod (350) through a round rod two (360), the output end of the electric telescopic rod three (370) rotatably connected to the corresponding connecting block two (231). The two ends of the lead screw one (310) are rotatably connected to two fixed frames (380), the top surfaces of the two fixed frames (380) are fixedly connected to the bottom surface of the base plate (110), the outer wall of one of the two fixed frames (380) is fixedly connected to a motor one (390), and the motor shaft of the motor one (390) is in transmission connection with the lead screw one (310).

2. The lifting device for pin valve type embryo transfer mold according to claim 1, wherein The bottom surface of the crossbeam (400) is rotatably connected to a lead screw two (410), the end side of the crossbeam (400) is fixedly connected to a motor two (420), the motor shaft of the motor two (420) is in transmission connection with the lead screw two (410), and the two side walls of the motor two (420) are provided with grooves (4001).

3. The lifting device for pin valve type embryo transfer mold according to claim 1, wherein The top surface of the base plate (110) is fixedly connected to a top plate (120), four electric telescopic rods one (130) are fixedly and symmetrically connected between the bottom surface of the top plate (120) and the top surface of the base plate (110), a movable block (121) screwed to the outer wall of the lead screw two (410) is fixedly connected to the top surface of the top plate (120), and two clamping plates (140) are fixedly and symmetrically connected to the top surface of the top plate (120).

4. The needle valve type embryo transfer mold lifting device according to claim 3, characterized by The opposite side walls of each contact claw (230) are provided with a sliding groove (232), and the interior of the sliding groove (232) is fixedly connected to an electric telescopic rod two (250).

5. The lifting device for pin valve type embryo transfer mold according to claim 1, wherein The opposite side walls of each contact claw (230) are provided with a pressing plate (240), the side wall of the pressing plate (240) is fixedly connected to a sliding block (241), the sliding block (241) is in sliding connection with the sliding groove (232), and the output end of the electric telescopic rod two (250) is fixedly connected to the top surface of the sliding block (241).

6. The lifting device for a pin valve type embryo transfer mold according to claim 5, wherein ​ 7. The lifting device for a pin valve type embryo transfer mold according to claim 6, wherein The outer wall of the pressing plate (240) and the contact claw (230) is provided with a non-slip pad.

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