CN216421063U

CN216421063U - Be applied to well stick of powder mould

Info

Publication number: CN216421063U
Application number: CN202122976979.4U
Authority: CN
Inventors: 陈红
Original assignee: Dongguan Shunhe Precision Mould Co ltd
Current assignee: Dongguan Shunhe Precision Mould Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-03
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a powder mold equipment technical field especially relates to a be applied to well stick of powder mold. The technical scheme includes that the core rod comprises a core rod body, the top of the core rod body is connected with a connecting rod, a sleeve is sleeved and connected on the outer ring of the connecting rod, a groove is formed in the bottom of the core rod body, an installation seat is arranged below the core rod body, a convex block is fixedly connected to the top of the installation seat, a clamping groove is formed in the convex block, a clamping block is arranged in the clamping groove, one side of the clamping block is connected with a pull rod, and the other end of the pull rod is connected with an arc-shaped block. The utility model discloses compact structure is novel, adopts the mode of overlap welding, has increaseed the welding and has touched the face, and the pulling force has effectively prevented the desoldering better, improves the stability that the stick used, and stick and machined part are installed fast in the mode that the buckle is connected, very big improvement machining efficiency.

Description

Be applied to well stick of powder mould

Technical Field

The utility model relates to a powder mold equipment technical field especially relates to a be applied to well stick of powder mold.

Background

The middle rod is a die part for ensuring the forming of an inner hole of a product, and most of the middle rod is a long rod piece. Because the length of the middle rod is longer, the middle rod in the powder metallurgy die is generally formed into a long rod piece by welding and connecting a cylinder body and a base at the connecting surface of the cylinder body and the base. When the middle rod is pressed and demoulded for use, the lower connecting part of the middle rod repeatedly bears the action of tensile force and compressive stress, so that the requirement on the hardness of the middle rod is high, and the whole middle rod is brittle and is easy to break or even crack; the middle rod is welded by V-shaped welding or integral materials, the mode is easy to desolder or break, the cost of a die is increased, the production efficiency is reduced, and the middle rod is connected with the connecting piece by a bolt, so that the bolt connection efficiency is low, and the processing efficiency is low; to this end we propose a centre rod for application to a powder mould.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the existing welding mode is easy to be detached or broken, the cost of the die is increased, the production efficiency is reduced, the middle rod is connected with the connecting piece in a bolt mode, the bolt connection efficiency is low, and the processing efficiency is low, and providing the middle rod which is applied to the powder die and is convenient to connect the middle rod with the connecting piece.

The technical scheme of the utility model: the utility model provides a be applied to well stick of powder mould, includes the core bar body, the top of core bar body is connected with the connecting rod, the outer lane cover of connecting rod is established and is connected with the sleeve pipe, the bottom of core bar body is seted up flutedly, the below of core bar body is provided with the mount pad, the top fixedly connected with lug of mount pad, the draw-in groove has been seted up on the lug, be equipped with the fixture block in the draw-in groove, one side of fixture block is connected with the pull rod, the one end that the fixture block was kept away from to the pull rod is connected with the arc piece.

Preferably, the top of the bump is connected with a cushion pad, the cushion pad is matched with the concave-convex groove, and two first through holes are symmetrically formed in two sides of the groove.

Preferably, the pull rod penetrates through the first through hole, one side of the first through hole is connected with a spring, one end, far away from the first through hole, of the spring is fixedly connected with the clamping block, and the spring is sleeved on an outer ring of the pull rod.

Preferably, the outer wall of the core rod body is provided with an arc-shaped groove, the arc-shaped block is matched with the arc-shaped groove in a concave-convex mode, and the outer side of the arc-shaped block is connected with a pull ring.

Preferably, the sleeve is connected with the core rod body in a sleeved welding mode, an arc angle is arranged on the outer wall of the top of the sleeve, the radius of the arc angle is 0.5cm, and the radius difference between the sleeve and the core rod body is 0.2 cm.

Preferably, the groove is of an I-shaped structure, and the convex block is connected with the inner wall of the groove in a sliding manner.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses a welding has strengthened the welding contact face after sleeve pipe and connecting rod cup joint, and the pulling force has effectively prevented the desoldering problem better, when being connected with the connection mesa and installing the use, pushes away after corresponding lug and recess for the fixture block corresponds the buckle installation with the draw-in groove, and quick connect mount pad and core bar body and connection mesa, and change and dismantle fast, improve mould machining efficiency;

the utility model discloses compact structure is novel, adopts the mode of overlap welding, has increaseed the welding and has touched the face, and the pulling force has effectively prevented the desoldering better, improves the stability that the stick used, and stick and machined part are installed fast in the mode that the buckle is connected, very big improvement machining efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is a schematic view of the mounting seat and the bump in FIG. 1

FIG. 4 is a schematic view of the mandrel body and the recess of FIG. 2.

Reference numerals: 1. a core bar body; 2. a connecting rod; 3. a sleeve; 4. a groove; 5. a mounting base; 6. a bump; 7. a card slot; 9. a cushion pad; 10. a clamping block; 11. a pull rod; 12. an arc-shaped block; 13. a spring; 14. and connecting the table top.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1-4, the utility model provides a middle rod applied to powder mold, including a core rod body 1, the top of the core rod body 1 is connected with a connecting rod 2, the outer lane of the connecting rod 2 is sleeved and connected with a sleeve 3, the bottom of the core rod body 1 is provided with a groove 4, the lower part of the core rod body 1 is provided with an installation seat 5, the top of the installation seat 5 is fixedly connected with a lug 6, the lug 6 is provided with a clamping groove 7, a clamping block 10 is arranged in the clamping groove 7, one side of the clamping block 10 is connected with a pull rod 11, and one end of the pull rod 11 away from the clamping block 10 is connected with an arc block 12; the top of the bump 6 is connected with a cushion pad 9, the cushion pad 9 is mutually matched with the inner wall of the top of the groove 4 in a pressing way, two through holes I are symmetrically arranged on two sides of the groove 4, the pull rod 11 penetrates through the through holes I, one side of the first through hole is connected with a spring 13, one end of the spring 13 far away from the first through hole is fixedly connected with the clamping block 10, and the spring 13 is sleeved on the outer ring of the pull rod 11, the outer wall of the core rod body 1 is provided with an arc-shaped groove, the arc-shaped block 12 is matched with the arc-shaped groove, the outer side of the arc-shaped block 12 is connected with a pull ring, the sleeve 3 is connected with the core rod body 1 in a sleeve welding way, the outer wall of the top part of the sleeve 3 is provided with an arc angle, the radius of the arc angle is 0.5cm, the radius difference between the sleeve 3 and the core rod body 1 is 0.2cm, the groove 4 is of an I-shaped structure, and the lug 6 is in sliding connection with the inner wall of the groove 4. In the embodiment, the connecting rod 2 penetrates through the inner wall of the sleeve 3 and then is welded at the joint of the sleeve 3 and the core rod body 1, the sleeve 3 and the core rod body 1 adopt a sleeve welding mode to increase the welding area and improve the welding stability, when the core rod body 1 and the connecting table-board 14 need to be assembled for use, the mounting seat 5 is placed below the connecting table-board 14 and corresponds to a through hole on the connecting table-board 14, the convex block 6 at the top of the mounting seat 5 corresponds to the groove 4 on the inner wall at the bottom of the core rod body 1, the pull ring is pulled firstly, so that the arc-shaped block 12 pulls the pull rod 11 and the fixture block 10, the spring 13 is compressed, then the mounting seat 5 is pushed upwards and the core rod body 1 is pushed downwards, the cushion pad 9 is abutted against the inner wall at the top of the groove 4, the pull ring on the arc-shaped block 12 is released, the arc-shaped block 12 corresponds the fixture block 10 to the clamping groove 7 under the resilience of the spring 13, because spring 13 has very strong resilience force, tightly buckle fixture block 10 and draw-in groove 7, accomplish the installation of core bar body 1 and connection mesa 14, stimulate arc piece 12 once more during the change for fixture block 10 breaks away from draw-in groove 7, and mount pad 5 can to the outside pulling of recess 4.

The above embodiments are merely preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a be applied to well stick of powder mould, includes core bar body (1), its characterized in that: the improved core rod comprises a core rod body (1), and is characterized in that the top of the core rod body (1) is connected with a connecting rod (2), the outer ring of the connecting rod (2) is sleeved with a sleeve (3), the bottom of the core rod body (1) is provided with a groove (4), a mounting seat (5) is arranged below the core rod body (1), the top of the mounting seat (5) is fixedly connected with a convex block (6), the convex block (6) is provided with a clamping groove (7), a clamping block (10) is arranged in the clamping groove (7), one side of the clamping block (10) is connected with a pull rod (11), and one end, far away from the clamping block (10), of the pull rod (11) is connected with an arc-shaped block (12).

2. A central rod for a powder mold according to claim 1, characterized in that a buffer pad (9) is connected to the top of the protrusion (6), the buffer pad (9) is concave-convex matched with the groove (4), and two through holes I are symmetrically arranged on two sides of the groove (4).

3. The central rod applied to the powder mold as claimed in claim 2, wherein the pull rod (11) penetrates through the first through hole, one side of the first through hole is connected with the spring (13), one end of the spring (13) far away from the first through hole is fixedly connected with the clamping block (10), and the spring (13) is sleeved on an outer ring of the pull rod (11).

4. The middle rod applied to the powder mold according to claim 1, wherein an arc-shaped groove is formed in the outer wall of the core rod body (1), the arc-shaped block (12) is in concave-convex fit with the arc-shaped groove, and a pull ring is connected to the outer side of the arc-shaped block (12).

5. The middle rod applied to the powder mold according to claim 1, wherein the sleeve (3) is connected with the core rod body (1) in a sleeved welding mode, the outer wall of the top of the sleeve (3) is provided with an arc angle, the radius of the arc angle is 0.5cm, and the radius difference between the sleeve (3) and the core rod body (1) is 0.2 cm.

6. A king-rod for application in powder molds according to claim 1, wherein the groove (4) is of I-shaped configuration and the protrusion (6) is in sliding connection with the inner wall of the groove (4).