CN218876128U

CN218876128U - Tiebar structure

Info

Publication number: CN218876128U
Application number: CN202223162231.1U
Authority: CN
Inventors: 夏瑜键; 夏増富
Original assignee: Zhejiang Huading Machinery Co ltd
Current assignee: Zhejiang Huading Machinery Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-18
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a tiebar structure, includes the cylinder, its characterized in that: the two ends of the column body are respectively provided with a release groove along the axial direction of the column body, the release groove at one end of the column body is an annular groove used for being connected with the template, and the release groove at the other end of the column body is an annular groove used for being connected with the die holder. The utility model has the advantages of: the release grooves are distributed at two ends of the column body respectively along the axial direction of the column body, pressure which is concentrated at one position is uniformly distributed at each position of the release grooves to be released, the pressure release effect is more ideal, the service life of the tie bar is prolonged, the release groove at one end of the column body is an annular groove which is used for being connected with the template, the release groove at the other end of the column body is an annular groove which is used for being connected with the die holder, the structure is more compact, the processing difficulty is reduced, and the manufacturing cost is saved.

Description

Golllin post structure

Technical Field

The utility model relates to an injection moulding equipment preparation technical field especially indicates a tie bar structure.

Background

The die closing draw bar of die casting machine and injection molding machine is commonly called as a tie bar, the tie bar is a rod-shaped component which is arranged on a pressure machine and plays a role in traction, the principle is that the tie bar plays a role in sliding guide of a template and bears tension brought by die locking, and the tie bar is an important component in the pressure forming industry.

The present chinese utility model patent of an application number CN201520678506.8 called "a novel tielin post for die casting machine or injection molding machine" discloses a novel tielin post for die casting machine or injection molding machine, is the key part of constituteing machine compound die part, include: main part and screw thread part, the screw thread part is located the both ends of main part, the main part with be equipped with the relief groove that is used for releasing stress between the screw thread part, the relief groove include with first arc surface that the main part is connected, with the second arc surface that the screw thread part is connected and the relief groove body between the first arc surface with between the second arc surface, the screw thread root of screw thread part adopts the circular arc transition. The utility model discloses a improve traditional tiebar structure, increased release groove and screw thread tooth bottom circular arc, reduced tiebar and at compound die atress in-process fracture risk, have simple structure, make convenient, reliable practical, longe-lived advantage. However, the snap pin release groove is provided at one place, and the pressure release effect is not yet satisfactory, so that the structure of the snap pin needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that a pressure release is effectual, long service life's tiebar structure is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this tiebar structure, including the cylinder, its characterized in that: the two ends of the column body are respectively provided with a release groove along the axial direction of the column body, the release groove at one end of the column body is an annular groove used for being connected with the template, and the release groove at the other end of the column body is an annular groove used for being connected with the die holder.

As a refinement, the annular grooves may preferably be distributed at equal intervals over the surface of the column from the end of the column to the middle of the column.

In a further improvement, the opening width of the annular groove can be preferably larger than the bottom surface width of the annular groove, and the inner wall of the annular groove far away from the end part of the column in the annular groove is an inclined plane.

In a further refinement, the inner wall of the annular groove in the annular groove near the end of the cylinder may preferably be a vertical surface.

As an improvement, a cylinder conical surface which is convenient for tool withdrawal during machining can be preferably arranged at the joint of the annular groove and the middle part of the cylinder.

As a modification, the opening width of the annular groove may preferably be greater than the width of the bottom surface of the annular groove, and the inner wall of the annular groove away from the end of the cylindrical body in the annular groove is an inclined surface, and the inclined surface are inclined in opposite directions.

The further improvement is that a second cylinder conical surface which is convenient for tool withdrawal during machining can be preferably arranged at the joint of the annular groove and the middle part of the cylinder.

As a modification, it is preferable that positioning concave holes are respectively provided at both ends of the column body.

Further improved, the positioning concave holes at the two ends can be preferably communicated to form a cylinder through hole penetrating through the cylinder.

Compared with the prior art, the utility model has the advantages of: the release grooves are distributed at two ends of the column body respectively along the axial direction of the column body, pressure which is concentrated at one position is uniformly distributed at each position of the release grooves to be released, the pressure release effect is more ideal, the service life of the tie bar is prolonged, the release groove at one end of the column body is an annular groove which is used for being connected with the template, the release groove at the other end of the column body is an annular groove which is used for being connected with the die holder, the structure is more compact, the processing difficulty is reduced, and the manufacturing cost is saved.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of FIG. 1 at another angle;

FIG. 3 is a front perspective view of FIG. 1;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an enlarged view of a portion I in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the tie bar structure of the present embodiment includes a column body 1, wherein release grooves are respectively distributed at two ends of the column body 1 along an axial direction of the column body 1, the release groove at one end of the column body is an annular groove 11 for being connected with a template, and the release groove at the other end of the column body is an annular groove 12 for being connected with a die holder. The annular grooves 11 are distributed at equal intervals on the surface of the column from the end part of the column to the middle part of the column. The opening width of the annular groove 11 is larger than the bottom width of the annular groove 11, and the inner wall of the annular groove far away from the end of the column in the annular groove 11 is an inclined surface 111. The inner wall of the annular groove 11 close to the end of the column body is a vertical surface. And a cylinder conical surface 13 which is convenient for tool withdrawal during machining is arranged at the joint of the annular groove 11 and the middle part of the cylinder.

The opening width of the annular groove 12 is greater than the bottom width of the annular groove 12, the inner wall of the annular groove away from the end of the column in the annular groove 12 is an inclined surface, and the inclined surface 111 and the inclined surface are inclined in opposite directions. The inner wall of the annular groove 12 near the end of the column is a vertical surface. And a second cylinder conical surface 14 which is convenient for tool withdrawal during machining is arranged at the joint of the annular groove 12 and the middle part of the cylinder.

Two ends of the column body 1 are respectively provided with a positioning concave hole 15. The positioning concave holes 15 at the two ends are communicated with each other to form a column through hole penetrating through the column 1.

Claims

1. The utility model provides a tiebar structure, includes cylinder (1), its characterized in that: the die-casting die is characterized in that release grooves are axially distributed at two ends of the column body (1) respectively, the release groove at one end of the column body is an annular groove (11) used for being connected with a die plate, and the release groove at the other end of the column body is an annular groove (12) used for being connected with a die holder.

2. The golling pillar structure of claim 1, wherein: the annular grooves (11) are distributed on the surface of the column body from the end part of the column body to the middle part of the column body at equal intervals.

3. The golling post structure of claim 2, wherein: the opening width of the annular groove (11) is larger than the bottom width of the annular groove (11), and the inner wall of the annular groove far away from the end part of the column body in the annular groove (11) is an inclined plane (111).

4. A golling post structure according to claim 3, wherein: the inner wall of the annular groove (11) close to the end part of the column body is a vertical surface.

5. The golling pillar structure according to any one of claims 1 to 4, wherein: the joint of the annular groove (11) and the middle part of the column body is provided with a column body conical surface (13) which is convenient for tool withdrawal during processing.

6. The golling pillar structure of claim 3 or 4, wherein: the opening width of the annular groove (12) is larger than the bottom width of the annular groove (12), the inner wall of the annular groove far away from the end part of the column in the annular groove (12) is an inclined surface, and the inclined directions of the inclined surface (111) and the inclined surface are opposite.

7. The golling post structure of claim 6, wherein: the inner wall of the annular groove (12) close to the end part of the column body is a vertical surface.

8. The golling post structure of claim 7, wherein: a second cylinder conical surface (14) which is convenient for tool withdrawal during machining is arranged at the joint of the annular groove (12) and the middle part of the cylinder.

9. The golling pillar structure according to any one of claims 1 to 4, wherein: and two ends of the column body (1) are respectively provided with a positioning concave hole (15).

10. The golling post structure of claim 9, wherein: the positioning concave holes (15) at the two ends are communicated with a cylinder through hole penetrating through the cylinder (1).