CN215825861U

CN215825861U - Easily-adjusted late core-pulling block pair with spring pre-pressing amount adjusted for injection mold

Info

Publication number: CN215825861U
Application number: CN202122054093.4U
Authority: CN
Inventors: 杨汗友; 陈勇明; 王吉涛
Original assignee: Qingdao Xinhanyang Moulding Co ltd
Current assignee: Qingdao Xinhanyang Moulding Co ltd
Priority date: 2021-08-29
Filing date: 2021-08-29
Publication date: 2022-02-15
Anticipated expiration: 2031-08-29

Abstract

The utility model discloses an easily-adjusted late core-pulling block pair for adjusting the spring prepressing amount of an injection mold, which comprises a late core-pulling block body, wherein an outer hook is arranged below the middle part of the late core-pulling block body, a late core-pulling sliding block is arranged on the outer side of the outer hook, a late clearance is arranged between the late core-pulling block body and the late core-pulling sliding block, a spring accommodating groove is formed in the late core-pulling sliding block, a prepressing spring is arranged on the inner side of the spring accommodating groove, and a supporting drag pad is arranged at the bottom of the prepressing spring. This injection mold who easily adjusts looses core a pair late with spring pre-compaction volume is adjusted, through the rotation of adjusting lever, steerable connecting block monomer synchronous revolution to the fixed block and the synchronous reverse rotation of adapter sleeve at both ends about the drive, owing to the connecting rod surface thread structure at both ends about is reverse setting, consequently steerable connecting rod monomer goes up and down in step, can guarantee that the displacement volume equals, ensures the precision of adjusting.

Description

Easily-adjusted late core-pulling block pair with spring pre-pressing amount adjusted for injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a delay core-pulling block pair which is easy to adjust and used for adjusting the prepressing amount of a spring for an injection mold.

Background

Injection mold is a dedicated apparatus for producing of plastics product, injection mold's use can be very big degree reduce intensity of labour also can increase substantially the production efficiency of product simultaneously, consequently injection mold has obtained extensive popularization and use in the manufacturing, and the vice spare part that can play important role when injection mold drawing of patterns of core is taken out to the late core piece, the contrast application number is CN 202021537605.1's Chinese utility model patent, adjust the pre-compaction volume of pre-compaction spring through adjusting the screw, make injection mold's the vice assembly work of the piece of loosing core late, it is simple and convenient swift, the efficiency is improved, the cost is reduced, but the vice in-process that uses of the core piece of taking out late in the existing market still has the spring pre-compaction volume to adjust not synchronous and the inaccuracy that leads to, influence the normal use of work piece, and stability when adjusting the screw adjustment is not high, influence the problem of operation.

Aiming at the problems, the innovative design is carried out on the basis of the original late core-pulling block pair.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an easily-adjusted late core block pair for adjusting the spring pre-pressing amount of an injection mold, which aims to solve the problems that the adjustment of the spring pre-pressing amount in the background art is not synchronous, so that the inaccuracy is caused, the normal use of a workpiece is influenced, the stability during the adjustment of an adjusting screw is not high, and the operation is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: an easily-adjusted late core-pulling block pair for adjusting the spring prepressing amount of an injection mold comprises a late core-pulling block body, an outer hook is arranged below the middle part of the delayed core pulling block body, a delayed core pulling sliding block is arranged outside the outer hook, a delay clearance is arranged between the body of the delay core pulling block and the delay core pulling slide block, a spring accommodating groove is arranged inside the delay core pulling slide block, and the inner side of the spring accommodating groove is provided with a pre-pressing spring, the bottom of the pre-pressing spring is provided with a supporting dragging cushion, and the bottom of the supporting drag cushion is provided with a connecting rod, the outer side of the connecting rod is provided with a connecting sleeve, the bottom of the connecting sleeve is connected with a fixed block, the inner side of the fixed block is provided with a connecting block, and one side of the connecting block, which is far away from the fixed block, is provided with an adjusting rod, the adjusting rod is arranged at the bottom of the delayed-pumping sliding block through a positioning block, and a slot is formed in the front end of the adjusting rod.

Preferably, the connection mode of loosing core the piece body and the slider of loosing core late is sliding connection, and the spring holding tank is provided with 2 groups about the axis bilateral symmetry of the slider of loosing core late to 2 have been seted up to every group spring holding tank.

Preferably, pre-compaction spring and spring holding tank are the one-to-one setting, and pre-compaction spring constitutes with the slider of taking out late and dismantle the structure, support and drag the pad and constitute elevation structure in the inboard of spring holding tank, and support and drag the connected mode of pad and connecting rod and be connected for pasting.

Preferably, the connecting rod is threaded connection with the connecting sleeve, the connecting sleeve forms a lifting structure through the connecting rod, the connecting sleeve and the fixed block are fixedly connected to form an integrated structure, the connecting rod is arranged in a left-right symmetrical mode about a central axis of the slow-pumping sliding block, and the threaded structures on the surfaces of the connecting rod at the left end and the right end are arranged in a reverse mode.

Preferably, the connecting sleeve is connected for rotating with the connected mode of taking out the slider late, the fixed block all is the rodent structure with the surface of connecting block, and the connecting block passes through the adjusting lever and constitutes revolution mechanic to the loading board is installed to the below of connecting block.

Preferably, both ends all are provided with the gag lever post about the loading board, and inside the gag lever post runs through in the bottom of withdrawing the slider late to the top of gag lever post is provided with fastening bolt.

Compared with the prior art, the utility model has the beneficial effects that: the injection mold easy to adjust uses the late core-pulling block pair with the spring pre-pressing amount adjustment,

1. by arranging the supporting dragging cushion, the connecting rod and the connecting sleeve, the connecting rod in threaded connection with the connecting sleeve can be controlled to drive the supporting dragging cushion to ascend by controlling the rotation of the connecting sleeve in rotational connection with the slow pumping slide block, so that the pre-pressing spring can be pressed, and the pre-pressing amount of the pre-pressing spring can be conveniently adjusted;

2. through setting up fixed block, connecting block and adjusting lever, through the rotation of adjusting lever, steerable connecting block monomer synchronous revolution to the fixed block and the synchronous reverse rotation of adapter sleeve at both ends about the drive, owing to the connecting rod surface thread structure at both ends is reverse setting, therefore steerable connecting rod monomer goes up and down in step, can guarantee that the displacement volume equals, ensures the precision of regulation.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the bottom view of the connection between the fixing block and the connecting block according to the present invention;

FIG. 4 is a schematic view of the overall structure of the adjusting rod of the present invention.

In the figure: 1. a late core-pulling block body; 2. hooking outside; 3. a late gap; 4. a slide block is drawn out slowly; 5. a spring receiving groove; 6. pre-pressing a spring; 7. a support drag pad; 8. a connecting rod; 9. connecting sleeves; 10. a fixed block; 11. connecting blocks; 12. an adjusting lever; 13. positioning blocks; 14. a slot; 15. a carrier plate; 16. a limiting rod; 17. and fastening the bolt.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, an easily adjustable late core-pulling block pair for adjusting spring pre-pressing amount of an injection mold comprises a late core-pulling block body 1, in order to adjust the spring pre-pressing amount, an outer hook 2 may be disposed below the middle portion of the late core-pulling block body 1, a late core-pulling slider 4 is disposed outside the outer hook 2, a late gap 3 is disposed between the late core-pulling block body 1 and the late core-pulling slider 4, a spring receiving groove 5 is disposed inside the late core-pulling slider 4, the late core-pulling block body 1 and the late core-pulling slider 4 are connected in a sliding manner, the spring receiving grooves 5 are symmetrically disposed in 2 groups with respect to the central axis of the late core-pulling slider 4, each group of the spring receiving grooves 5 is provided with 2, a pre-pressing spring 6 is disposed inside the spring receiving groove 5, a support pad 7 is disposed at the bottom of the pre-pressing spring 6, and a connecting rod 8 is disposed at the bottom of the support pad 7, the pre-pressing springs 6 are arranged corresponding to the spring accommodating grooves 5 one by one, the pre-pressing springs 6 and the slow-pumping slide blocks 4 form a disassembly structure, the supporting drag pads 7 form a lifting structure at the inner sides of the spring accommodating grooves 5, the connecting mode of the supporting drag pads 7 and the connecting rods 8 is a sticking connection, a connecting sleeve 9 is arranged on the outer side of the connecting rod 8, the connecting rod 8 is in threaded connection with the connecting sleeve 9, the connecting sleeve 9 forms a lifting structure through the connecting rod 8, the connecting sleeve 9 and the fixed block 10 are fixedly connected to form an integrated structure, the connecting rods 8 are arranged in bilateral symmetry about the central axis of the slow-pumping sliding block 4, and the thread structures on the surfaces of the connecting rods 8 at the left and right ends are arranged in reverse directions, and by controlling the connecting sleeve 9 which is rotationally connected with the slow pumping slide block 4 to rotate, the connecting rod 8 which is in threaded connection with the connecting sleeve 9 can drive the supporting dragging cushion 7 to lift, and the prepressing amount of the prepressing spring 6 can be conveniently adjusted.

Referring to fig. 2, 3 and 4, in order to improve the accuracy of adjusting the pre-pressure of the spring, a connecting block 11 may be disposed inside the fixing block 10, an adjusting rod 12 is disposed on a side of the connecting block 11 away from the fixing block 10, the connecting sleeve 9 is rotatably connected to the slow-pulling slider 4, the outer surfaces of the fixing block 10 and the connecting block 11 are both in a mesh structure, the connecting block 11 forms a rotating structure through the adjusting rod 12, the adjusting rod 12 is mounted at the bottom of the slow-pulling slider 4 through a positioning block 13, a slot 14 is disposed inside the front end of the adjusting rod 12, a bearing plate 15 is mounted below the connecting block 11, two ends of the bearing plate 15 are both provided with a limiting rod 16, the limiting rod 16 penetrates through the bottom end of the slow-pulling slider 4, a fastening bolt 17 is disposed at the top end of the limiting rod 16, and the adjusting rod 12 and the connecting block 11 can control the fixing block 10 and the connecting sleeve 9 to rotate synchronously, therefore, the single connecting rod 8 can be controlled to synchronously lift, the equal displacement can be ensured, and the adjusting precision is ensured.

The working principle is as follows: according to the structure shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, when the late core back mass pair adjusted by the spring preload amount for the injection mold is used, firstly, a pre-pressing spring 6 is placed in a spring accommodating groove 5, then the late core pulling block body 1 is connected with the late core pulling slide block 4 in a sliding way, an existing tool such as a screwdriver is used, an adjusting rod 12 is rotated through an arranged slot 14, because the front end and the rear end of the adjusting rod 12 are both provided with thread-shaped structures, the rotation of the adjusting rod 12 can drive the connecting blocks 11 at the left side and the right side to rotate according to opposite directions, because the connecting block 11 is meshed with the fixed block 10, the connecting sleeve 9 which is rotationally connected with the bottom of the slow-pumping sliding block 4 can be driven to rotate, thereby, the connecting rod 8 which is in threaded connection with the connecting sleeve 9 can drive the supporting dragging cushion 7 to lift, the pre-pressing spring 6 can be pressed, and the pre-pressing amount can be conveniently adjusted;

the connecting rod 8 sets up about the axis bilateral symmetry of taking out slider 4 late, and the 8 surperficial helicitic texture of connecting rod at both ends about and be reverse setting, consequently can guarantee that the connecting rod 8 at both ends can shift up or glide in step about, can guarantee that the lift displacement volume of connecting rod 8 equals, guarantees the precision that the pre-compaction spring 6 pre-compaction volume was adjusted, above just is the course of operation of whole device, and the content that does not make detailed description in this specification all belongs to the known prior art of the professional skilled in the art in this field.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easily adjust for injection mold spring pre-compaction volume adjust loose core a pair late, is including loosing core a body (1) late, its characterized in that: the core pulling device is characterized in that an outer hook (2) is arranged below the middle of a core pulling block body (1) in a delayed mode, a delayed pulling sliding block (4) is arranged on the outer side of the outer hook (2), a delayed gap (3) is arranged between the core pulling block body (1) and the delayed pulling sliding block (4), a spring accommodating groove (5) is formed in the delayed pulling sliding block (4), a pre-pressing spring (6) is arranged on the inner side of the spring accommodating groove (5), a supporting dragging pad (7) is installed at the bottom of the pre-pressing spring (6), a connecting rod (8) is arranged at the bottom of the supporting dragging pad (7), a connecting sleeve (9) is arranged on the outer side of the connecting rod (8), a fixed block (10) is connected to the bottom of the connecting sleeve (9), a connecting block (11) is arranged on the inner side of the fixed block (10), and an adjusting rod (12) is installed on one side, far away from the fixed block (10), of the connecting block (11), the adjusting rod (12) is installed at the bottom of the late drawing sliding block (4) through a positioning block (13), and a slot (14) is formed in the front end of the adjusting rod (12).

2. The easy-to-adjust late core-pulling block pair for the injection mold with the spring pre-pressing amount adjustment function according to claim 1, characterized in that: the connection mode of loosing core the piece body late (1) and the slider of loosing core late (4) is sliding connection, and spring holding tank (5) are provided with 2 groups about the axis bilateral symmetry of the slider of loosing core late (4) to 2 have been seted up in every group spring holding tank (5).

3. The easy-to-adjust late core-pulling block pair for the injection mold with the spring pre-pressing amount adjustment function according to claim 1, characterized in that: pre-compaction spring (6) are the one-to-one setting with spring holding tank (5), and pre-compaction spring (6) constitute with the slider (4) of taking out late and dismantle the structure, support and drag pad (7) and constitute elevation structure in the inboard of spring holding tank (5), and support and drag the connected mode of pad (7) and connecting rod (8) and be connected for pasting.

4. The easy-to-adjust late core-pulling block pair for the injection mold with the spring pre-pressing amount adjustment function according to claim 1, characterized in that: connecting rod (8) are threaded connection with the connected mode of adapter sleeve (9), and adapter sleeve (9) pass through connecting rod (8) and constitute elevation structure to adapter sleeve (9) are integral structure with fixed block (10) fixed connection, connecting rod (8) set up about the axis bilateral symmetry of slider (4) of taking out late, and control connecting rod (8) surface thread structure at both ends and be reverse setting.

5. The easy-to-adjust late core-pulling block pair for the injection mold with the spring pre-pressing amount adjustment function according to claim 1, characterized in that: connecting sleeve (9) are connected for rotating with the connected mode of taking out slider (4) late, fixed block (10) all are the rodent column structure with the surface of connecting block (11), and connecting block (11) constitute rotating-structure through adjusting lever (12) to loading board (15) are installed to the below of connecting block (11).

6. The easy-to-adjust late core-pulling block pair for the injection mold with the spring pre-pressing amount adjustment function according to claim 5, characterized in that: both ends all are provided with gag lever post (16) about loading board (15), and inside gag lever post (16) run through the bottom of taking out slider (4) late to the top of gag lever post (16) is provided with fastening bolt (17).