CN210082216U - Novel ejector pin structure for mold - Google Patents

Abstract

The utility model discloses a thimble structure especially relates to a mould is with novel thimble structure, include: the thimble body, the thimble body includes thimble countersunk head, connecting seat and micro motor, and the thimble countersunk head is fixed at thimble body lower extreme, and connecting seat swing joint is in thimble body upper end, and micro motor erection fixation is inside the connecting seat, and the drive end of micro motor lower extreme rotates and is connected with the lead screw. When needs carry out the drawing of patterns, through micro motor circular telegram, can drive the lead screw and rotate, along with the lead screw rotates, insert through the gag lever post spacing in the spacing inslot portion, when can making connecting seat and thimble body pull open or draw close distance, increase the stability of thimble body, prevent that the thimble body from following the lead screw and rotating together, solve at present when realizing rising or descending, drive the thimble body easily and the thimble countersunk head follows the rotation and the thimble body between the too poor problem of associativity.

Description

Novel ejector pin structure for mold

Technical Field

The utility model relates to a thimble structure especially relates to a mould is with novel thimble structure.

Background

The ejector pin is a plastic mould accessory and is used in a plastic mould, the ejector pin can also be called a push rod, an insert pin, a middle needle, a support pin and the like, the mould ejector pin is used for ejecting a product formed in the mould, the traditional mould ejector pin is composed of a cylindrical ejector pin rod and a cylindrical ejector pin countersunk head integrated with the cylindrical ejector pin rod, the mould ejector pin with the structure is arranged in a mould ejector pin mounting hole in the mould, and when the formed product needs to be ejected, the ejector pin rod of the mould ejector pin extends out of the mounting hole to eject the formed product.

Refer to chinese utility model application number "cn201721918562. x" thimble structure for mould, including installing the connecting seat in the mould body, reachd present thimble structure for mould, when realizing rising or descending, drive thimble body and thimble countersunk head easily and then rotate, lead to influencing the work of drawing of patterns, the associativity is too poor between the thimble body moreover, leads to taking off too troublesome when complicated mould.

SUMMERY OF THE UTILITY MODEL

In order to solve the present time realizing rising or descending, drive thimble body and thimble countersunk head and then rotate and the too poor problem of associativity between the thimble body easily, the utility model aims at providing a novel thimble structure is used to mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel thimble structure for mould, includes: the thimble structure comprises a thimble body, wherein the thimble body comprises a thimble countersunk head, a connecting seat and a micro motor, the thimble countersunk head is fixed at the lower end of the thimble body, the connecting seat is movably connected at the upper end of the thimble body, the micro motor is fixedly installed in the connecting seat, a driving end at the lower end of the micro motor is rotatably connected with a screw rod, a thread groove for inserting the screw rod is formed in the middle of the upper end of the thimble body, limiting grooves are formed in the left side and the right side of the upper end of the thimble body, limiting rods are welded on the left side and the right side of the lower end of the connecting;

the hollow tube, the hollow tube rotates to be connected in the connecting seat outside, the hollow tube left end has the change of being connected with the ring channel rotation through electric welding, the inside sliding connection of hollow tube has the slide bar, hollow tube upper end level is evenly opened there are six at least card holes, open flutedly on the slide bar, the scarf joint of recess tank bottom is fixed with the pressure spring, the terminal fixture block that has connect mutually of pressure spring, the slide bar right-hand member extends the upside front portion of hollow tube and has the couple through electric welding, the downside front portion of slide bar right-hand member runs through and the swivelling joint has the pivot, the pivot front end has the pin through spot welding, the welding of pin upper end has terminal and.

Specifically, the screw rod is in threaded connection with the thread groove.

Preferably, the micro motor moves up with the screw rod being screw-engaged with the screw groove clockwise, and the micro motor moves down with the screw rod being screw-engaged with the screw groove counterclockwise.

Furthermore, the tail end of the limiting rod extends into the limiting groove and is in sliding connection with the limiting groove.

Preferably, the clamping block is inserted into the clamping hole and clamped with the clamping hole.

Furthermore, the stop lever is elastically connected and clamped with the hook.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: when the ejector pin body needs to be demolded, the micro motor is electrified to drive the screw rod to rotate, the screw rod rotates, the limiting rod is inserted into the limiting groove to limit the position of the connecting seat, the connecting seat and the ejector pin body can be pulled away or drawn close to each other, the stability of the ejector pin body is improved, and the ejector pin body is prevented from rotating together with the screw rod; when the thimble bodies need to be connected, the orientation of the hook can be adjusted by rotating the rotating ring, and the distance between the hook and the other thimble body can be adjusted by sliding out or retracting the slide rod in the hollow pipe, so that the thimble bodies are connected by clamping the hook, and the combinability between the thimble bodies is improved.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

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

fig. 2 is an enlarged view of a portion a of the connector socket of fig. 1;

fig. 3 is a schematic view of the hollow tube of the present invention.

In the figure: 100-thimble body, 101-thimble countersunk head, 102-connecting seat, 103-screw rod, 104-micromotor, 105-thread groove, 106-limiting groove, 107-limiting rod, 108-annular groove, 200-hollow tube, 201-sliding rod, 202-rotating ring, 203-hook, 204-rotating shaft, 205-stop lever, 206-spring, 207-clamping hole, 208-groove, 209-pressure spring and 210-clamping block.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Referring to fig. 1 to 3, in embodiment 1, a novel thimble structure for a mold includes: the ejector pin comprises an ejector pin body 100, the ejector pin body 100 comprises an ejector pin countersunk head 101, a connecting seat 102 and a micro motor 104, the ejector pin countersunk head 101 is fixed at the lower end of the ejector pin body 100, the connecting seat 102 is movably connected at the upper end of the ejector pin body 100, the micro motor 104 is installed and fixed in the connecting seat 102, a screw rod 103 is rotatably connected at the driving end of the lower end of the micro motor 104, a thread groove 105 for inserting the screw rod 103 is formed in the middle of the upper end of the ejector pin body 100, the screw rod 103 is in threaded connection with the thread groove 105, the micro motor 104 moves upwards along with the clockwise threaded connection between the screw rod 103 and the thread groove 105, the micro motor 104 moves downwards along with the anticlockwise threaded connection between the screw rod 103 and the thread groove 105, when demolding is required, the screw rod 103 can be driven to rotate by electrifying the micro motor 104, and the micro motor 104 moves, the connecting seat 102 and the thimble body 100 can be pulled apart to be demoulded or pulled close to use a mould;

furthermore, the left side and the right side of the upper end of the thimble body 100 are both provided with a limiting groove 106, the left side and the right side of the lower end of the connecting seat 102 are both welded with a limiting rod 107 through electric welding, the outer wall of the thimble body 100 is provided with an annular groove 108, the tail end of the limiting rod 107 extends into the limiting groove 106 to be slidably connected with the limiting groove 106, and the limiting rod 107 is inserted into the limiting groove 106 for limiting, so that when the screw rod 103 rotates, the thimble body 100 is prevented from rotating together with the screw rod 103, and meanwhile, when the screw rod 103 rotates while moving up and down, the limiting rod 107 can also slide up and down in the limiting groove 106, thereby increasing the stability of the thimble;

embodiment 3, according to the above embodiment, the present embodiment is different from the above embodiments in that a hollow tube 200 is rotatably connected to the outside of the connecting seat 102, a rotating ring 202 rotatably connected to the annular groove 108 is welded to the left end of the hollow tube 200 by electric welding, and when the thimble bodies 100 need to be connected, the hollow tube 200 can be adjusted to face another thimble body 100 by rotating the rotating ring 202 through the annular groove 108;

preferably, a sliding rod 201 is slidably connected inside the hollow tube 200, the upper end of the hollow tube 200 is horizontally and uniformly provided with at least six clamping holes 207, the upper end of the sliding rod 201 is provided with a groove 208, a pressure spring 209 is embedded and fixed at the bottom of the groove 208, the tail end of the pressure spring 209 is connected with a fixture block 210, the fixture block 210 is inserted into the clamping hole 207 and clamped with the clamping hole 207, the sliding rod 201 is not clamped with the hollow tube 200 by pressing the fixture block 210 into the groove 208 along the clamping hole 207, then the sliding rod 201 is pulled out, and after the sliding rod 201 is pulled out to a proper length, the fixture block 210 is popped out to be inserted into the clamping hole 207 and clamped with the clamping hole 207 through the pressure spring 209 along with the correspondence of the clamping hole 207, so that the sliding rod 201 is clamped and fixed with the hollow tube 200, and thus the sliding;

according to the above embodiment, preferably, the hook 203 is welded to the front portion of the upper side of the hollow tube 200 extending from the right end of the slide rod 201 through electric welding, the rotating shaft 204 penetrates through and is rotatably connected to the front portion of the lower side of the right end of the slide rod 201, the stop rod 205 is welded to the front end of the rotating shaft 204 through spot welding, the spring 206 with the tail end welded to the hook 203 is welded to the upper end of the stop rod 205, the stop rod 205 is elastically connected to and clamped with the hook 203, when the slide rod 201 drives the hook 203 to slide to correspond to the hook 203 in another thimble body 100, the stop rod 205 is pressed into the inner side of the hook 203 through the rotating shaft 204, the two hooks 203 are buckled with each other, then the hook 203 is loosened, the hook 203 is bounced by the spring 206 to block the opening of the hook 203 again, so that the thimble bodies 100 are connected through the.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (6)

1. The utility model provides a novel thimble structure is used to mould which characterized in that includes:

the thimble structure comprises a thimble body, wherein the thimble body comprises a thimble countersunk head, a connecting seat and a micro motor, the thimble countersunk head is fixed at the lower end of the thimble body, the connecting seat is movably connected at the upper end of the thimble body, the micro motor is fixedly installed in the connecting seat, a driving end at the lower end of the micro motor is rotatably connected with a screw rod, a thread groove for inserting the screw rod is formed in the middle of the upper end of the thimble body, limiting grooves are formed in the left side and the right side of the upper end of the thimble body, limiting rods are welded on the left side and the right side of the lower end of the connecting;

the hollow tube, the hollow tube rotates to be connected in the connecting seat outside, the hollow tube left end has the change of being connected with the ring channel rotation through electric welding, the inside sliding connection of hollow tube has the slide bar, hollow tube upper end level is evenly opened there are six at least card holes, open flutedly on the slide bar, the scarf joint of recess tank bottom is fixed with the pressure spring, the terminal fixture block that has connect mutually of pressure spring, the slide bar right-hand member extends the upside front portion of hollow tube and has the couple through electric welding, the downside front portion of slide bar right-hand member runs through and the swivelling joint has the pivot, the pivot front end has the pin through spot welding, the welding of pin upper end has terminal and.

2. The novel ejector pin structure for the mold according to claim 1, wherein: the screw rod is in threaded connection with the thread groove.

3. The novel ejector pin structure for the mold according to claim 2, wherein: the micro motor moves upwards along with the clockwise threaded fit of the screw rod and the thread groove, and the micro motor moves downwards along with the anticlockwise threaded fit of the screw rod and the thread groove.

4. The novel ejector pin structure for the mold according to claim 3, wherein: the tail end of the limiting rod extends into the limiting groove and is in sliding connection with the limiting groove.

5. The novel ejector pin structure for the mold according to claim 4, wherein: the clamping block is inserted into the clamping hole and clamped with the clamping hole.

6. The novel ejector pin structure for the mold according to claim 5, wherein: the stop lever is elastically connected and clamped with the hook.

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