Precision mold guide sleeve

Abstract

The utility model relates to a precision die, in particular to a precision die guide sleeve which comprises a guide column and a guide sleeve body connected to the outer wall of the guide column in a sleeved mode, an inner sleeve is fixedly connected to the inner side of the guide sleeve body, a plurality of sets of vertically-distributed balls are rotatably connected to the interior of the inner sleeve, and the inner sleeve is fixedly connected to the inner side of the guide sleeve body. The inner sleeve and the guide column are connected through the multiple rotatable balls, the multiple balls effectively reduce friction force, the guide effect is improved, and the service life of the guide sleeve body is prolonged; the cooling liquid can absorb heat and cool the guide sleeve body, the temperature of the guide sleeve body is reduced, use is more stable, the guide sleeve body is prevented from being deformed and damaged, and the service life is further prolonged; the cooling liquid is rapidly cooled through the semiconductor chilling plate, so that circulation of a cooling system is achieved, the cooling window period is avoided, the cooling effect and efficiency are improved, and the service life of the guide sleeve body is further prolonged.

Description

Technical Field

[0001] The utility model relates to a precision mold, in particular to a precision mold guide sleeve. Background Art

[0002] In the field of molds, guide sleeves and guide pins together constitute the guiding device of the mold, which is used to ensure that the upper and lower mold bodies are aligned in an accurate position relationship. Since the upper mold body and the lower mold body are constantly moving relative to each other, there must be a certain gap between the guide pin and the guide sleeve to ensure unimpeded movement;

[0003] Existing molds usually have guide pins and guide sleeves making relative motion with linear or surface friction. If the gap is too large, it will lead to inaccurate positioning and large errors; if the gap is too small, it will increase the friction and cause serious wear of the guide pins and sleeves, shortening the service life and increasing cost investment; in addition, the heat dissipation of the guide sleeve is poor. The friction between the guide sleeve and the guide pin plus the working process of the mold itself causes the guide sleeve and guide pin installed on the mold to gradually increase in temperature when the mold is working. When the temperature rises to a certain value, the guide sleeve and guide pin may be deformed, resulting in errors in mold positioning and shortening the service life. Summary of the invention

[0004] The utility model aims to provide a precision mold guide sleeve, which reduces friction, improves the guiding effect, prolongs the service life of the guide sleeve, and improves the cooling effect and efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision mold guide sleeve, comprising a guide column and a guide sleeve body sleeved on the outer wall of the guide column, the inner side of the guide sleeve body is fixedly connected to an inner sleeve, the inner side of the inner sleeve is rotatably connected to multiple groups of vertically distributed balls, one end of each of the multiple balls extends to the inner side of the inner sleeve and abuts against the outer wall of the guide column, the outer wall of the guide sleeve body is fixedly connected to a cooling sleeve, a heat conducting plate is arranged between the cooling sleeve and the guide sleeve body, and the upper and lower sides of the outer wall of the cooling sleeve are respectively provided with a liquid outlet and a liquid inlet;

[0006] A coolant refrigeration box and a coolant temporary storage box are arranged on the outside of the cooling jacket, the coolant refrigeration box and the coolant temporary storage box are connected by a connecting pipe, a liquid outlet pipe is connected between the coolant refrigeration box and the liquid outlet, a liquid inlet pipe is connected between the coolant temporary storage box and the liquid inlet, a semiconductor refrigeration plate is arranged on the outer wall of the coolant refrigeration box, and the refrigeration end of the semiconductor refrigeration plate is installed on the inner side of the coolant refrigeration box.

[0007] In order to facilitate the introduction of the coolant in the coolant refrigeration box into the coolant temporary storage box, as a preferred precision mold guide sleeve of the utility model, the outer wall of the connecting pipe is provided with a first pump body and a valve.

[0008] In order to facilitate the control of liquid inlet and outlet, as a preferred precision mold guide sleeve of the utility model, the outer walls of the liquid outlet pipe and the liquid inlet pipe are both provided with a second pump body.

[0009] In order to improve the heat dissipation effect of the cooling sleeve itself, as a preferred precision mold guide sleeve of the utility model, the outer wall of the cooling sleeve is fixedly connected with a plurality of evenly distributed heat dissipation fins.

[0010] In order to facilitate the injection and discharge of lubricating oil, as a preferred precision mold guide sleeve of the utility model, the interior of the inner sleeve is filled with lubricating oil, and the outer wall of the inner sleeve is provided with an oil filling port.

[0011] In order to extend the service life of the guide sleeve body, as a preferred precision mold guide sleeve of the utility model, the inner and outer sides of the guide sleeve body are respectively provided with a wear-resistant layer and an anti-oxidation layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The inner side of the guide sleeve body of the utility model is fixedly connected with an inner sleeve, and the inner sleeve and the guide column are connected by a plurality of rotatable balls, and the plurality of balls effectively reduce friction, improve the guiding effect, and extend the service life of the guide sleeve body. The plurality of balls abut against the guide column, reducing the contact area between the guide column and the guide sleeve body, and further reducing friction.

[0014] The coolant can absorb heat and cool the guide sleeve body, reduce the temperature of the guide sleeve body, make it more stable to use, prevent the guide sleeve body from deformation and damage, and further extend the service life; the coolant is quickly cooled by the semiconductor refrigeration plate, and the coolant temporarily stored in the coolant storage box enters the cooling sleeve again through the liquid inlet pipe for cooling, thereby realizing the cooling system circulation and avoiding the cooling window period, improving the cooling effect and efficiency, and further extending the service life of the guide sleeve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a schematic cross-sectional structure diagram of the guide sleeve main body of the utility model;

[0018] Figure 3 It is a partial top view structural schematic diagram of the utility model;

[0019] In the figure: 1. guide column; 2. guide sleeve body; 3. inner sleeve; 4. ball bearing; 5. cooling sleeve; 6. heat conduction plate; 7. liquid outlet; 8. liquid inlet; 9. coolant refrigeration box; 10. coolant temporary storage box; 11. liquid outlet pipe; 12. liquid inlet pipe; 13. semiconductor refrigeration plate; 14. connecting pipe; 15. first pump body; 16. valve; 17. second pump body; 18. heat dissipation fins; 19. oil filling port; 20. wear-resistant layer; 21. antioxidant layer. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] See also Figures 1 to 3 A precision mold guide sleeve comprises a guide column 1 and a guide sleeve body 2 sleeved on the outer wall of the guide column 1, an inner sleeve 3 is fixedly connected to the inner side of the guide sleeve body 2, a plurality of groups of vertically distributed balls 4 are rotatably connected inside the inner sleeve 3, one end of each of the plurality of balls 4 extends to the inner side of the inner sleeve 3 and abuts against the outer wall of the guide column 1, a cooling sleeve 5 is fixedly connected to the outer wall of the guide sleeve body 2, a heat conducting plate 6 is arranged between the cooling sleeve 5 and the guide sleeve body 2, and a liquid outlet 7 and a liquid inlet 8 are respectively arranged on the upper and lower sides of the outer wall of the cooling sleeve 5;

[0024] A coolant refrigeration box 9 and a coolant temporary storage box 10 are arranged on the outside of the cooling jacket 5. The coolant refrigeration box 9 and the coolant temporary storage box 10 are connected by a connecting pipe 14. A liquid outlet pipe 11 is connected between the coolant refrigeration box 9 and the liquid outlet 7. A liquid inlet pipe 12 is connected between the coolant temporary storage box 10 and the liquid inlet 8. A semiconductor refrigeration plate 13 is arranged on the outer wall of the coolant refrigeration box 9. The refrigeration end of the semiconductor refrigeration plate 13 is installed on the inner side of the coolant refrigeration box 9.

[0025] In this embodiment: the inner side of the guide sleeve body 2 is fixedly connected with the inner sleeve 3, and the inner sleeve 3 and the guide column 1 are connected by a plurality of rotatable balls 4, the plurality of balls 4 effectively reduce the friction force, improve the guiding effect, and extend the service life of the guide sleeve body 2, the plurality of balls 4 abut against the guide column 1, reduce the contact area between the guide column 1 and the guide sleeve body 2, and further reduce the friction force;

[0026] The outer wall of the guide sleeve body 2 is fixedly connected with a cooling sleeve 5. When in use, the cooling liquid inside the cooling liquid temporary storage box 10 enters the interior of the cooling sleeve 5 through the liquid inlet pipe 12 and the liquid inlet port 8. At this time, the cooling liquid can absorb heat and cool the guide sleeve body 2, reduce the temperature of the guide sleeve body 2, make it more stable to use, prevent the guide sleeve body 2 from being deformed and damaged, and further extend the service life; when the temperature of the cooling liquid itself inside the cooling sleeve 5 rises, the low-temperature cooling liquid inside the cooling liquid refrigeration box 9 is introduced into the cooling liquid temporary storage box 10 through the connecting pipe 14 for temporary storage, and the high-temperature cooling liquid inside the cooling sleeve 5 enters the cooling liquid refrigeration box 9 through the liquid outlet pipe 11, and the cooling liquid is further quickly cooled by the semiconductor refrigeration plate 13. At this time, the cooling liquid temporarily stored in the cooling liquid temporary storage box 10 enters the cooling sleeve 5 again through the liquid inlet pipe 12 for cooling, thereby realizing the cooling system circulation, and avoiding the cooling window period, improving the cooling effect and efficiency, and further extending the service life of the guide sleeve body 2.

[0027] As a technical optimization solution of the present utility model, the outer wall of the connecting pipe 14 is provided with a first pump body 15 and a valve 16 .

[0028] In this embodiment, the first pump body 15 and the valve 16 facilitate the control of the opening and closing of the connecting pipe 14 and facilitate the guidance of the cooling liquid.

[0029] As a technical optimization solution of the present utility model, the outer walls of the liquid outlet pipe 11 and the liquid inlet pipe 12 are both provided with a second pump body 17 .

[0030] In this embodiment: the second pump body 17 is used to control the outflow and inflow of liquid.

[0031] As a technical optimization solution of the present invention, the outer wall of the cooling jacket 5 is fixedly connected with a plurality of evenly distributed heat dissipating fins 18 .

[0032] In this embodiment, by providing a plurality of heat dissipation fins 18, the cooling jacket 5 itself can dissipate heat quickly, thereby improving the heat dissipation effect.

[0033] As a technical optimization solution of the utility model, the interior of the inner sleeve 3 is filled with lubricating oil, and the outer wall of the inner sleeve 3 is provided with an oil filling port 19.

[0034] In this embodiment, the interior of the inner sleeve 3 is filled with lubricating oil to improve the lubrication effect on the guide column 1 , and the oil filling port 19 is convenient for injecting and discharging the lubricating oil into the inner sleeve 3 .

[0035] As a technical optimization solution of the present invention, a wear-resistant layer 20 and an anti-oxidation layer 21 are respectively provided on the inner and outer sides of the guide sleeve body 2 .

[0036] In this embodiment, the wear-resistant layer 20 and the anti-oxidation layer 21 improve the wear resistance of the inner side of the guide sleeve body 2 and the anti-oxidation performance of the outer side, further extending the service life.

[0037] Working principle: When the utility model is used, the coolant inside the coolant temporary storage box 10 enters the interior of the cooling jacket 5 through the liquid inlet pipe 12 and the liquid inlet port 8. At this time, the coolant can absorb heat and cool the guide sleeve body 2, reduce the temperature of the guide sleeve body 2, make it more stable to use, prevent the guide sleeve body 2 from deformation and damage, and further extend the service life; when the temperature of the coolant itself inside the cooling jacket 5 rises, the low-temperature coolant inside the coolant refrigeration box 9 is introduced into the coolant temporary storage box 10 through the connecting pipe 14 for temporary storage, and the high-temperature coolant inside the cooling jacket 5 enters the coolant refrigeration box 9 through the liquid outlet pipe 11, and the coolant is further quickly cooled by the semiconductor refrigeration plate 13. At this time, the coolant temporarily stored in the coolant temporary storage box 10 enters the cooling jacket 5 through the liquid inlet pipe 12 again for cooling, thereby realizing the cooling system circulation.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A precision mold guide sleeve, comprising a guide post (1) and a guide sleeve body (2) sleeved on the outer wall of the guide post (1), characterized in that: The inner side of the guide sleeve body (2) is fixedly connected to an inner sleeve (3), and a plurality of groups of vertically distributed balls (4) are rotatably connected inside the inner sleeve (3), and one end of each of the plurality of balls (4) extends to the inner side of the inner sleeve (3) and abuts against the outer wall of the guide column (1). The outer wall of the guide sleeve body (2) is fixedly connected to a cooling sleeve (5), and a heat conducting plate (6) is provided between the cooling sleeve (5) and the guide sleeve body (2). A liquid outlet (7) and a liquid inlet (8) are provided on upper and lower sides of the outer wall of the cooling sleeve (5), respectively. A coolant refrigeration box (9) and a coolant temporary storage box (10) are arranged on the outside of the cooling jacket (5); the coolant refrigeration box (9) and the coolant temporary storage box (10) are connected via a connecting pipe (14); a liquid outlet pipe (11) is connected between the coolant refrigeration box (9) and the liquid outlet (7); a liquid inlet pipe (12) is connected between the coolant temporary storage box (10) and the liquid inlet (8); a semiconductor refrigeration plate (13) is arranged on the outer wall of the coolant refrigeration box (9); and a refrigeration end of the semiconductor refrigeration plate (13) is installed on the inner side of the coolant refrigeration box (9).

2. A precision mold guide sleeve according to claim 1, characterized in that: The outer wall of the connecting pipe (14) is provided with a first pump body (15) and a valve (16).

3. A precision mold guide sleeve according to claim 1, characterized in that: The outer walls of the liquid outlet pipe (11) and the liquid inlet pipe (12) are both provided with a second pump body (17).

4. A precision mold guide sleeve according to claim 1, characterized in that: The outer wall of the cooling jacket (5) is fixedly connected with a plurality of evenly distributed heat dissipation fins (18).

5. The precision mold guide sleeve according to claim 1, characterized in that: The interior of the inner sleeve (3) is filled with lubricating oil, and the outer wall of the inner sleeve (3) is provided with an oil filling port (19).

6. The precision mold guide sleeve according to claim 1, characterized in that: The inner and outer sides of the guide sleeve body (2) are respectively provided with a wear-resistant layer (20) and an anti-oxidation layer (21).

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