CN212577958U

CN212577958U - Special fixture for hot runner valve needle

Info

Publication number: CN212577958U
Application number: CN202021397974.5U
Authority: CN
Inventors: 雷立庆; 周娟; 肖逸永; 王东东
Original assignee: Suzhou Jingjiang Electromechanical Co ltd
Current assignee: Suzhou Jingjiang Electromechanical Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-23
Anticipated expiration: 2030-07-16

Abstract

The utility model belongs to the technical field of hot runners, in particular to a special fixture for a hot runner valve needle, which comprises a bottom plate, wherein a bracket is fixedly arranged on the upper side wall of the bottom plate, a first cavity is arranged in the bottom plate, a strip-shaped opening is arranged on the upper side wall of the first cavity, a bidirectional screw rod is transversely arranged in the first cavity, the left end of the bidirectional screw rod is rotatably connected with the left side wall of the first cavity through a first bearing, the right end of the bidirectional screw rod penetrates through the right side wall of the first cavity and extends to the outside, symmetrical slide blocks are in threaded connection with the rod wall of the bidirectional screw rod, connecting rods are fixedly arranged at the upper ends of the two slide blocks, clamping plates are fixedly arranged at the upper ends of the two connecting rods, the valve needle is arranged at the upper end of the bottom plate in a contact manner, the valve needle can be automatically pulled out, greatly increasing the working efficiency and avoiding damaging the valve needle.

Description

Special fixture for hot runner valve needle

Technical Field

The utility model relates to a hot runner technical field specifically is a hot runner needle special fixture.

Background

The hot runner molding technology is developed to the present day, is quite mature abroad and realizes large-scale industrial application, the popularization and the application of the hot runner are in an ascending stage in China, the maintenance of a hot runner system is an indispensable link in the use of the system, and the requirement on the convenience degree of the disassembly and the assembly of the system is higher.

The valve needle of the existing integral needle valve type hot runner system is pulled out by using the inertia of a metal block to provide impact force, a large amount of impact has great influence on the strength of the valve needle structure, and the valve needle is pulled out manually, so that the valve needle is broken easily and the efficiency is extremely low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot runner needle special fixture to in solving the prior art that proposes in the above-mentioned background art, pull out the needle and often take out the needle through strikeing, lead to the needle fracture easily, and influence the problem of efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a special fixture for a hot runner valve needle comprises a base plate, wherein a support is fixedly arranged on the upper side wall of the base plate, a first cavity is formed in the base plate, a strip-shaped opening is formed in the upper side wall of the first cavity, a bidirectional screw rod is transversely arranged in the first cavity, the left end of the bidirectional screw rod is rotatably connected with the left side wall of the first cavity through a first bearing, the right end of the bidirectional screw rod penetrates through the right side wall of the first cavity and extends to the outside, symmetrical slide blocks are connected to the rod wall of the bidirectional screw rod in a threaded manner, connecting rods are fixedly arranged at the upper ends of the two slide blocks, clamping plates are fixedly arranged at the upper ends of the two connecting rods, the valve needle is arranged at the upper end of the base plate in a contact manner, one adjacent side of the two clamping plates is connected with the side wall of the valve needle in a contact manner, a fixing plate is, the lower extreme of first lead screw pass through the second bearing with rotate between the fixed plate and be connected, the upper end of first lead screw runs through the last lateral wall of support and extends to the upper end, the fixed motor that is provided with in upper end of support, the output of motor with the upper end fixed connection of first lead screw, the pole wall threaded connection of first lead screw has the slide, symmetrical second cavity, two are seted up to the lateral wall of slide the inside of second cavity is all fixed and is provided with fixture.

Preferably, fixture includes the second lead screw, the second lead screw passes through the vertical inside that sets up at the second cavity of third bearing, the last lateral wall that runs through the second cavity of upper end of second lead screw extends to the outside and fixedly is provided with the turning block, the pole wall threaded connection of second lead screw has the movable plate, the both ends of movable plate with the lateral wall sliding connection of second cavity, the lower lateral wall of movable plate is provided with the connecting plate, two through the rotation of first pivot the lower extreme of connecting plate all rotates through the second pivot and is provided with the rotor plate, two the lower extreme of rotor plate all rotates through the third pivot and is provided with the grip block, two the grip block all with the lateral wall contact of needle is connected, two the rotor plate all through the fourth pivot with the lateral wall of slide rotates and is connected.

Preferably, the right end of the bidirectional screw rod is fixedly provided with a rotating block.

Preferably, the side walls of the two clamping plates are fixedly provided with rubber pads.

Preferably, a protective shell is fixedly arranged outside the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1) through the common cooperation of two-way lead screw, rotatory piece, slider, connecting rod and splint, just firm the fixing is just tight to the needle, the later stage of being convenient for is to the pulling out of needle.

2) Through the common cooperation of motor, first lead screw, slide, fixed plate, second motor, turning block, movable plate, connecting plate, turning plate and grip block, carry out the automation to the needle and pull out, replaced the manual work in the past and pulled out the needle through strikeing, greatly increased the efficiency of work, avoided causing the damage to the needle.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a base plate 1, a support 2, a bidirectional screw rod 3, a sliding block 4, a connecting rod 5, a clamping plate 6, a valve needle 7, a fixing plate 8, a first screw rod 9, a motor 10, a sliding plate 11, a second motor 12, a rotating block 13, a moving plate 14, a connecting plate 15, a rotating plate 16 and a clamping block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: a hot runner valve needle special fixture comprises a bottom plate 1, a support 2 is fixedly arranged on the upper side wall of the bottom plate 1, a first cavity is formed in the bottom plate 1, a strip-shaped opening is formed in the upper side wall of the first cavity, a bidirectional screw rod 3 is transversely arranged in the first cavity, the left end of the bidirectional screw rod 3 is rotatably connected with the left side wall of the first cavity through a first bearing, the right end of the bidirectional screw rod 3 penetrates through the right side wall of the first cavity and extends to the outside, symmetrical slide blocks 4 are in threaded connection with the rod wall of the bidirectional screw rod 3, connecting rods 5 are fixedly arranged at the upper ends of the two slide blocks 4, clamping plates 6 are fixedly arranged at the upper ends of the two connecting rods 5, a valve needle 7 is arranged at the upper end of the bottom plate 1 in a contact manner, one adjacent side of the two clamping plates 6 is in contact connection with the side wall of the valve needle 7, the lower end of the first lead screw 9 is rotatably connected with the fixing plate 8 through a second bearing, the upper end of the first lead screw 9 penetrates through the upper side wall of the support 2 and extends to the upper end, a motor 10 is fixedly arranged at the upper end of the support 2, the output end of the motor 10 is fixedly connected with the upper end of the first lead screw 9, the rod wall of the first lead screw 9 is in threaded connection with a sliding plate 11, symmetrical second cavities are formed in the side wall of the sliding plate 11, and clamping mechanisms are fixedly arranged in the two second cavities;

the clamping mechanism comprises a second screw rod 12, the second screw rod 12 is longitudinally arranged in the second cavity through a third bearing, the upper end of the second screw rod 12 penetrates through the upper side wall of the second cavity to extend to the outside and is fixedly provided with a rotating block 13, the rod wall of the second screw rod 12 is in threaded connection with a moving plate 14, two ends of the moving plate 14 are in sliding connection with the side wall of the second cavity, the lower side wall of the moving plate 14 is rotatably provided with a connecting plate 15 through a first shaft pin, the lower ends of the two connecting plates 15 are respectively rotatably provided with a rotating plate 16 through a second shaft pin, the lower ends of the two rotating plates 16 are respectively rotatably provided with a clamping block 17 through a third shaft pin, the two clamping blocks 17 are respectively in contact connection with the side wall of the valve needle 7, the two rotating plates 16 are respectively rotatably connected with the side wall of the sliding plate 11 through a fourth shaft pin to firmly clamp the valve needle, the valve needle is prevented from being damaged;

a rotating block is fixedly arranged at the right end of the bidirectional screw rod 3;

rubber pads are fixedly arranged on the side walls of the two clamping plates 6;

a protective shell is fixedly arranged outside the motor 10.

The working principle is as follows: when the device is used, the valve needle 7 is integrally placed at the upper end of the bottom plate 1, the rotating block is rotated, the rotating block drives the bidirectional screw rod 3 fixedly connected with the side wall to rotate, the bidirectional screw rod 3 drives the slide block 4 in threaded connection with the rod wall to move, the two slide blocks 4 drive the connecting rod 5 fixedly connected with the upper side wall to move, the two connecting rods 5 drive the clamping plate 6 fixedly connected with the upper end to move, the rotating block 13 is rotated, the rotating block 13 drives the second screw rod 12 fixedly connected with the lower side wall to rotate, the second screw rod 12 drives the movable plate 14 in threaded connection with the rod wall to move downwards, the movable plate 14 drives the connecting plate 15 in rotary connection with the lower side wall to move, the connecting plate 15 drives the rotating plate 16 in rotary connection with the lower end to rotate, the two rotating plates 16 drive the clamping block 17 in rotary connection with the lower end to stably clamp the valve, the first screw rod 9 drives the sliding plate 11 connected with the screw thread of the rod wall to move, and the sliding plate 11 drives the whole clamping mechanism to move upwards to automatically pull the valve needle 7 with high efficiency.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The hot runner valve needle special fixture comprises a bottom plate (1) and is characterized in that a support (2) is fixedly arranged on the upper side wall of the bottom plate (1), a first cavity is formed in the bottom plate (1), a strip-shaped opening is formed in the upper side wall of the first cavity, a bidirectional lead screw (3) is transversely arranged in the first cavity, the left end of the bidirectional lead screw (3) is rotatably connected with the left side wall of the first cavity through a first bearing, the right end of the bidirectional lead screw (3) penetrates through the right side wall of the first cavity and extends to the outside, symmetrical sliding blocks (4) are in threaded connection with the rod wall of the bidirectional lead screw (3), connecting rods (5) are fixedly arranged at the upper ends of the two sliding blocks (4), clamping plates (6) are fixedly arranged at the upper ends of the two connecting rods (5), and a valve needle (7) is arranged at the upper end of the bottom plate (1) in, the adjacent sides of the two clamping plates (6) are in contact connection with the side wall of the valve needle (7), a fixed plate (8) is fixedly arranged at the upper end inside the bracket (2), a first screw rod (9) is longitudinally arranged at the upper end of the fixed plate (8), the lower end of the first screw rod (9) is rotationally connected with the fixed plate (8) through a second bearing, the upper end of the first screw rod (9) penetrates through the upper side wall of the bracket (2) and extends to the upper end, a motor (10) is fixedly arranged at the upper end of the bracket (2), the output end of the motor (10) is fixedly connected with the upper end of the first screw rod (9), the screw rod wall of the first screw rod (9) is in threaded connection with a sliding plate (11), the side wall of the sliding plate (11) is provided with symmetrical second cavities, and the two second cavities are internally and fixedly provided with clamping mechanisms.

2. The special fixture for the hot runner valve needle as claimed in claim 1, wherein: the clamping mechanism comprises a second screw rod (12), the second screw rod (12) is longitudinally arranged in the second cavity through a third bearing, the upper end of the second screw rod (12) penetrates through the upper side wall of the second cavity to extend to the outside and is fixedly provided with a rotating block (13), the rod wall of the second screw rod (12) is in threaded connection with a moving plate (14), two ends of the moving plate (14) are in sliding connection with the side wall of the second cavity, the lower side wall of movable plate (14) rotates through first pivot and is provided with connecting plate (15), two the lower extreme of connecting plate (15) all rotates through the second pivot and is provided with rotor plate (16), two the lower extreme of rotor plate (16) all rotates through the third pivot and is provided with grip block (17), two grip block (17) all with the lateral wall contact of needle (7) is connected, two rotor plate (16) all through the fourth pivot with the lateral wall of slide (11) rotates and is connected.

3. The special fixture for the hot runner valve needle as claimed in claim 1, wherein: the right end of the bidirectional screw rod (3) is fixedly provided with a rotating block.

4. The special fixture for the hot runner valve needle as claimed in claim 1, wherein: rubber pads are fixedly arranged on the side walls of the two clamping plates (6).

5. The special fixture for the hot runner valve needle as claimed in claim 1, wherein: and a protective shell is fixedly arranged outside the motor (10).