Die guide pillar positioning structure with high positioning precision

By introducing guide balls and positioning wedges into the mold guide post positioning structure, combined with a buffer structure, the structural support problem when the guide sleeve and guide post are connected is solved, achieving high positioning accuracy and stability, and extending service life.

CN223948648UActive Publication Date: 2026-02-27SHENZHEN JINGLIAN MOLD BASE CO LTD
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Patent Information

Application Number
CN202520481843.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-27
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Conventional mold guide post positioning structures lack structural support when the guide sleeve and guide post are connected, resulting in an interference fit that affects service life and positioning accuracy.

Method used

The guide sleeve structure incorporates embedded guide balls and positioning wedges, while the guide post structure features positioning grooves and positioning wedges. A buffer structure is installed inside the guide sleeve, utilizing rolling docking and buffering effects to ensure precise docking and structural stability.

Benefits of technology

It improves the positioning accuracy and smoothness of the guide post and guide sleeve docking, avoids structural misalignment and interference fit, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mould guide pillar positioning structure with high positioning accuracy, which relates to the technical field of mould structures and comprises a guide sleeve structure and a guide pillar structure, the guide pillar structure is arranged at one end in the guide sleeve structure, and a buffer structure is mounted at the bottom end in the guide sleeve structure. And a fixing bolt is connected to the joint of the buffer structure and the guide sleeve structure. According to the mold guide pillar positioning structure with the high positioning precision, the guide balls are installed on the inner surface of the positioning cavity and matched with the positioning grooves formed in the surface of the guide pillar body, so that when the guide sleeve structure and the guide pillar structure are in mutual butt joint, the good high-precision butt joint positioning effect is achieved; the guide sleeve structure is matched with the positioning wedge block on the surface of the middle section of the guide column body, the structure limiting effect can be achieved while structure butt joint positioning is achieved, the buffering structure plays a role in buffering between the guide sleeve structure and the guide column structure when the guide sleeve structure and the guide column structure are in butt joint, and structural damage caused by excessive butt joint is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to die structure technical field, concretely is a die guide pillar positioning structure of high positioning accuracy. BACKGROUND

[0002] Die guide pillar positioning structure mainly consists of guide pillar and guide sleeve, they play the role of positioning, guiding, supporting and protecting in the die. The guide pillar is fixed on the die base plate, and the guide sleeve is installed on the top plate of the die, and the cooperation gap between the two is very small to ensure the positioning accuracy and machining accuracy of the die.

[0003] The conventional die guide pillar positioning structure lacks a certain degree of structural support between the structure when the guide sleeve and the guide sleeve are docked, which may cause unnecessary structural damage due to interference assembly, thereby affecting the service life of the structure.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a die guide pillar positioning structure with high positioning accuracy is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a die guide pillar positioning structure with high positioning accuracy to solve the problems raised in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a die guide pillar positioning structure with high positioning accuracy, which comprises a guide sleeve structure and a guide pillar structure, an inner end of the guide sleeve structure is provided with the guide pillar structure, a bottom end of the inner part of the guide sleeve structure is provided with a buffer structure, a fixed bolt is connected to the junction of the buffer structure and the guide sleeve structure, the guide pillar structure comprises a guide pillar main body, a positioning wedge block, a positioning groove, a positioning interface and a buffer block, the outer surface of the middle part of the guide pillar main body is provided with the positioning wedge block, the outer surface of one end of the guide pillar main body close to the guide sleeve structure is provided with the positioning groove, one end of the guide pillar main body close to the guide sleeve structure is provided with the positioning interface, and the buffer block is embedded in the inner part of the positioning interface.

[0007] Further, the guide sleeve structure comprises a guide sleeve main body, an embedded hole, a positioning cavity, an assembly cavity, a guide ball and a positioning wedge, the surface of one end of the guide sleeve main body away from the guide pillar structure is provided with the embedded hole, one end of the inner part of the guide sleeve main body is provided with the positioning cavity, and the other end of the inner part of the guide sleeve main body is provided with the assembly cavity, the inner wall surface of the positioning cavity is embedded with the guide ball, and the surface of one end of the guide sleeve main body close to the guide pillar structure is provided with the positioning wedge.

[0008] Further, the fixing bolt is threaded into the inner part of the embedded hole, the embedded hole is arranged in four groups in a circular array with the guide sleeve body as the center, the embedded hole and the assembly cavity are in communication with each other, the assembly cavity and the positioning cavity are in communication with each other, and the guide sleeve body and the guide column body are made of ferritic stainless steel.

[0009] Further, the guide ball is arranged in six groups in a circular array with the guide sleeve body as the center, and the side surface structure of the guide ball is matched with the inner structure of the positioning groove.

[0010] Further, the positioning wedge is arranged in six groups in a circular array with the guide sleeve body as the center, and the inner surface structure of the positioning wedge is matched with the outer surface structure of the positioning wedge block.

[0011] Further, the positioning wedge block and the guide column body are welded, and the positioning wedge block and the positioning groove are arranged in six groups in a circular array with the guide column body as the center.

[0012] Further, the buffer structure comprises a damping telescopic pile, a buffer spring and a connecting hole, the buffer spring is arranged in the middle part of the damping telescopic pile, and the connecting hole is arranged on the outer surface of the lower end of the damping telescopic pile.

[0013] Further, the connecting hole is arranged in four groups in a circular array with the damping telescopic pile as the center, the fixing bolt is threaded between the connecting hole and the damping telescopic pile, and the buffer structure is tightly embedded in the assembly cavity.

[0014] The utility model provides a mould guide column positioning structure of high positioning precision has the following beneficial effects:

[0015] 1, the utility model discloses a positioning cavity is arranged in the inner part of guide column body, six guide balls are embedded and installed on the inner wall surface of positioning cavity, and the positioning groove that is matched with the guide ball structure is arranged on the surface of one end of guide column body, when the guide column structure and the guide sleeve structure are connected and inserted, the rolling connection of positioning groove and guide ball is utilized, so that the guide column body can be stably and accurately inserted into the guide sleeve body, the positioning precision of the guide column structure and the guide sleeve structure is ensured by using the above structure, unnecessary structure misplacement is avoided, and on the other hand, the rolling of guide ball along the surface of positioning groove can ensure the smoothness of the connection between the guide column structure and the guide sleeve structure, and unnecessary structure friction is reduced.

[0016] 2. The utility model, through setting up the positioning wedge block in the middle section surface of the guide column main part, and setting up the positioning wedge opening of structure matching with it on the guide bush main part one end surface, makes after the guide column structure inserts into the inside of the guide bush structure, uses the positioning wedge block to embed in the inside of the positioning wedge opening and plays the role of structure positioning, uses the use of above -mentioned structure, on the one hand can avoid the interference joint between the guide column structure and the guide bush structure, plays a certain degree of structure limiting, on the other hand can guarantee the structure stability and structure supportability after the guide bush structure, guide column structure butt joint, because the guide bush main part and the guide column main part are all made of ferrite stainless steel material, ferrite stainless steel, as the mainstream type of stainless steel, can maintain good mechanical properties and form under high temperature, to this end guarantees the manufacturing precision of guide bush structure and guide bush main part, and in the use process, will not be affected due to high temperature, lead to structural precision problem.

[0017] 3. The utility model discloses a buffer structure is installed in the inside of guide bush structure, and the positioning interface is seted up on one end of guide column main part, and the buffer block is embedded in its inside, after the guide column main part is inserted with the bottom side in the positioning cavity, the upper end of the damping telescopic pile is inserted into the inside of the positioning interface and is butt jointed with the buffer block, and a certain degree of buffering effect is played under the structural characteristics of the damping telescopic pile and the buffer spring, the use of above -mentioned structure can as far as possible avoid unnecessary structural damage caused by interference joint after the guide column structure is inserted into the inside of the guide bush structure, to this end guarantees the service life of device structure, and the link-up hole is seted up on the lower end of the damping telescopic pile, and one end of the fixed bolt in the embedded hole is screwed into the inside of the link-up hole, so that the buffer structure can be further fixed in the inside of the guide bush structure, to this end guarantees the stability of device structure. ACCURACY OF MOLD GUIDE COLUMN POSITIONING STRUCTURE

[0018] Figure 1 It is the body axis side view structural diagram of the utility model high positioning accuracy's mold guide column positioning structure's body;

[0019] Figure 2 It is the body internal structure schematic view of the utility model high positioning accuracy's mold guide column positioning structure;

[0020] Figure 3 It is the guide bush structure sectional view structural diagram of the utility model high positioning accuracy's mold guide column positioning structure;

[0021] Figure 4 It is the guide column structure three -dimensional structural diagram of the utility model high positioning accuracy's mold guide column positioning structure;

[0022] Figure 5 It is the buffer structure three -dimensional structural diagram of the utility model high positioning accuracy's mold guide column positioning structure.

[0023] In the diagram: 1. Guide sleeve structure; 101. Guide sleeve body; 102. Embedded hole; 103. Positioning cavity; 104. Assembly cavity; 105. Guide ball; 106. Positioning wedge; 2. Guide post structure; 201. Guide post body; 202. Positioning wedge; 203. Positioning groove; 204. Positioning interface; 205. Buffer block; 3. Buffer structure; 301. Damping telescopic pile; 302. Buffer spring; 303. Connecting hole; 4. Fixing bolt. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0025] like Figures 1 to 5 As shown, a high-precision mold guide pillar positioning structure includes a guide sleeve structure 1 and a guide pillar structure 2. The guide pillar structure 2 is located at one end of the guide sleeve structure 1, and a buffer structure 3 is installed at the bottom of the guide sleeve structure 1. A fixing bolt 4 connects the buffer structure 3 and the guide sleeve structure 1. The guide pillar structure 2 includes a guide pillar body 201, a positioning wedge 202, a positioning groove 203, a positioning interface 204, and a buffer block 205. A positioning wedge 202 is located on the outer surface of the middle part of the guide pillar body 201, and a fixing bolt 4 is formed on the outer surface of the guide pillar body 201 near the guide sleeve structure 1. The guide post body 201 has a positioning interface 204 at one end near the guide sleeve structure 1, and a buffer block 205 is embedded inside the positioning interface 204. The positioning wedge 202 is welded to the guide post body 201. The positioning wedge 202 and the positioning groove 203 are arranged in a circular array of six groups with the guide post body 201 as the center. When the guide post structure 2 and the guide sleeve structure 1 are docked and installed, the positioning groove 203 and the guide ball 105 are used for rolling docking, which can ensure that the guide post body 201 can be stably and accurately installed inside the guide sleeve body 101.

[0026] like Figures 1 to 5As shown, the guide sleeve structure 1 includes a guide sleeve body 101, an embedded hole 102, a positioning cavity 103, an assembly cavity 104, a guide ball 105 and a positioning wedge 106. The embedded hole 102 is formed on the surface of the end of the guide sleeve body 101 away from the guide column structure 2. The positioning cavity 103 is formed on the inside of one end of the guide sleeve body 101. The assembly cavity 104 is formed on the inside of the other end of the guide sleeve body 101. The guide ball 105 is embedded on the inner wall surface of the positioning cavity 103. The positioning wedge 106 is formed on the surface of the end of the guide sleeve body 101 close to the guide column structure 2. The fixing bolt 4 is threadedly installed in the inside of the embedded hole 102. The embedded hole 102 is circularly arrayed in four groups with the guide sleeve body 101 as the center. The embedded hole 102 and the assembly cavity 104 are mutually penetrated. The assembly cavity 104 and the positioning cavity 103 are mutually communicated. The guide sleeve body 101 and the guide column body 201 are both made of ferrite stainless steel material. The guide ball 105 is circularly arrayed in six groups with the guide sleeve body 101 as the center. The surface structure of one side of the guide ball 105 is matched with the inner structure of the positioning groove 203. The positioning wedge 106 is circularly arrayed in six groups with the guide sleeve body 101 as the center. The inner surface structure of the positioning wedge 106 is matched with the outer surface structure of the positioning wedge block 202. The positioning wedge block 202 is arranged on the middle segment surface of the guide column body 201. The positioning wedge 106 with the structure matched with the positioning wedge block 202 is formed on the surface of one end of the guide sleeve body 101. After the guide column structure 2 is inserted into the inside of the guide sleeve structure 1, the positioning wedge block 202 is embedded into the inside of the positioning wedge 106 to play a role of structural positioning.

[0027] As shown in the figure, Figures 1 to 5 The buffer structure 3 includes a damping telescopic pile 301, a buffer spring 302 and a connecting hole 303. The damping telescopic pile 301 is installed with the buffer spring 302 in the middle. The connecting hole 303 is formed on the outer surface of the lower end of the damping telescopic pile 301. The connecting hole 303 is circularly arrayed in four groups with the damping telescopic pile 301 as the center. The fixing bolt 4 is threadedly connected between the connecting hole 303 and the damping telescopic pile 301. The buffer structure 3 is closely embedded in the assembly cavity 104. After the guide column body 201 is inserted into the bottom side of the inside of the positioning cavity 103, the upper end of the damping telescopic pile 301 is inserted into the inside of the positioning interface 204 and is butted against the buffer block 205. Under the structural characteristics of the damping telescopic pile 301 and the buffer spring 302, a certain degree of buffering effect is played.

[0028] As shown in the figure, Figures 1 to 5 The high-precision mold guide column positioning structure is used. First, four fixing bolts 4 are respectively screwed into the embedded holes 102 formed on the surface of one end of the guide sleeve body 101. Then, the fixing bolts 4 are further screwed into the connecting holes 303 formed on one end of the damping telescopic pile 301. In this way, the buffer structure 3 is fixed in the assembly cavity 104 to ensure the stability of the device structure.

[0029] When the guide column structure 2 moves along the same central axis as the guide sleeve structure 1 and is connected with the guide sleeve structure 1, the positioning groove 203 on one end surface of the guide column body 201 is connected with the guide ball 105 on the inner wall surface of the positioning cavity 103, the structure activity of the guide ball 105 reduces the friction between the guide column structure 2 and the guide sleeve structure 1 as much as possible, so that the guide column structure 2 is stably inserted into the guide sleeve structure 1;

[0030] When the guide column body 201 and the guide sleeve body 101 are connected in place, the positioning wedge 202 on the surface of the guide column body 201 is embedded into the positioning wedge opening 106 at one end of the guide sleeve body 101, so as to form a structure support and a structure limiting, and play a positioning role between the guide sleeve structure 1 and the guide column structure 2.

[0031] After the guide column structure 2 is inserted into the guide sleeve structure 1, the upper end of the damping telescopic pile 301 is inserted into the positioning interface 204 and connected with the buffer block 205, and under the structure characteristics of the damping telescopic pile 301 and the buffer spring 302, a certain degree of buffering effect is achieved.

[0032] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A mold guide pillar positioning structure with high positioning accuracy, comprising a guide sleeve structure (1) and a guide pillar structure (2), characterized in that: The inside one end of the guide sleeve structure (1) is provided with a guide column structure (2), and the inside bottom end of the guide sleeve structure (1) is provided with a buffer structure (3), and the buffer structure (3) and the guide sleeve structure (1) are connected with a fixing bolt (4). The guide column structure (2) comprises a guide column body (201), a positioning wedge block (202), a positioning groove (203), a positioning interface (204) and a buffer block (205). The middle outer surface of the guide column body (201) is provided with the positioning wedge block (202), and the outer surface of one end of the guide column body (201) close to the guide sleeve structure (1) is provided with the positioning groove (203). The outer surface of one end of the guide column body (201) close to the guide sleeve structure (1) is provided with the positioning interface (204), and the inside of the positioning interface (204) is embedded with the buffer block (205).

2. The mold guide pillar positioning structure of claim 1, wherein The guide sleeve structure (1) comprises a guide sleeve body (101), an embedded hole (102), a positioning cavity (103), an assembly cavity (104), a guide ball (105) and a positioning wedge (106). The surface of one end of the guide sleeve body (101) away from the guide column structure (2) is provided with the embedded hole (102), and one end of the inside of the guide sleeve body (101) is provided with the positioning cavity (103). The other end of the inside of the guide sleeve body (101) is provided with the assembly cavity (104). The inner wall surface of the positioning cavity (103) is embedded with the guide ball (105). The surface of one end of the guide sleeve body (101) close to the guide column structure (2) is provided with the positioning wedge (106).

3. The mold guide post positioning structure of claim 2, wherein The fixing bolt (4) is screw-mounted in the inside of the embedded hole (102), and the embedded hole (102) is circularly arrayed with four groups with the guide sleeve body (101) as the center. The embedded hole (102) and the assembly cavity (104) are mutually penetrated, and the assembly cavity (104) and the positioning cavity (103) are mutually communicated. The guide sleeve body (101) and the guide column body (201) are both made of ferrite stainless steel material.

4. The mold guide pillar positioning structure of claim 2, wherein The guide ball (105) is circularly arrayed with six groups with the guide sleeve body (101) as the center, and the surface structure of one side of the guide ball (105) is matched with the inside structure of the positioning groove (203).

5. The mold pillar positioning structure of high positioning accuracy according to claim 2, characterized in that, The positioning wedge (106) is circularly arrayed with six groups with the guide sleeve body (101) as the center, and the inside surface structure of the positioning wedge (106) is matched with the outer surface structure of the positioning wedge block (202).

6. The mold guide post positioning structure of claim 1, wherein The positioning wedge block (202) and the guide column body (201) are in welded connection, and the positioning wedge block (202) and the positioning groove (203) are circularly arrayed with six groups with the guide column body (201) as the center.

7. The mold guide post positioning structure of claim 2, wherein The buffer structure (3) comprises a damping telescopic pile (301), a buffer spring (302) and a linking hole (303). The middle of the damping telescopic pile (301) is provided with the buffer spring (302), and the lower end of the outer surface of the damping telescopic pile (301) is provided with the linking hole (303).

8. The mold pillar positioning structure of high positioning accuracy according to claim 7, characterized in that, The adapter hole (303) is circular array with four groups with the damping telescopic pile (301) as the center, and the fixing bolt (4) is threadedly connected between the adapter hole (303) and the damping telescopic pile (301), and the buffer structure (3) is tightly embedded in the assembly cavity (104).