Precise guide device for injection mold

Abstract

The utility model relates to the technical field of injection molds, and discloses a precise guide device for an injection mold, which comprises a base, a lower mold seat and a support column are fixed at the top of the base, a screw rod is rotatably connected to an inner cavity of the support column, and a sliding block sleeved on the outer ring of the screw rod is connected with an upper mold seat through a connecting rod. A motor and a belt wheel which drive the lead screw to rotate synchronously are arranged in a transverse column on the top of the supporting column, the upper die base is provided with a reciprocating structure, the reciprocating structure comprises a rotating disc rotating on the top of the upper die base, and the rotating disc drives a cleaning ring arranged outside the lead screw in a sleeving mode to move through a sliding plate and a moving rod. The moving rod can make a lubricating device arranged on the connecting rod spray lubricating oil, and a guide rod penetrating through the transverse column and the belt wheel is fixed to the top of the rotating disc. The lubricating device has the advantages of reducing friction and abrasion and optimizing the lubricating effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field more specifically, the utility model relates to the precision guiding device for injection mold. BACKGROUND

[0002] With the continuous development of injection technology, precision mold plays a vital role in modern manufacturing, injection mold bears greater pressure and friction in the production process, requires each component of the mold can accurately work together to ensure the high precision and high quality of injection products, however, the existing injection mold guiding device often has the following problems.

[0003] The existing mold guiding device is prone to generate greater friction in the long-term operation process, which causes the wear of the screw rod, sliding block and other components to intensify, which not only increases the maintenance cost, but also shortens the service life of the equipment, and in some traditional guiding devices, the supply of lubricating oil is often uneven, resulting in poor lubrication effect, which can easily cause the increase of friction and the intensification of wear of parts, affecting the stability of the production process. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a precision guiding device for injection mold, which has the advantages of reducing friction and wear and optimizing lubrication effect.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a precision guiding device for injection mold, comprising a base, the top of the base is fixed with a lower mold base and a supporting column, the inner cavity of the supporting column is rotatably connected with a screw rod, the sliding block sleeved on the outer ring of the screw rod is connected with an upper mold base through a connecting rod, the horizontal column at the top of the supporting column is provided with a motor and a belt pulley for driving the screw rod to rotate synchronously;

[0006] The upper mold base is provided with a reciprocating structure, the reciprocating structure comprises a rotating disc rotating at the top of the upper mold base, the rotating disc drives a cleaning ring sleeved on the outer screw rod to move through a sliding plate and a moving rod, the moving rod can make the lubricating device arranged on the connecting rod spray lubricating oil, the top of the rotating disc is fixed with a guide rod penetrating through the horizontal column and the belt pulley.

[0007] As a preferred technical scheme of the utility model, the supporting column and the horizontal column are fixedly connected, the belt pulley is fixedly sleeved on the outer ring of the screw rod and the guide rod, and the top of the screw rod penetrates the supporting column and the horizontal column.

[0008] As a preferred technical scheme of the utility model, the outer ring of the belt pulley is sleeved with a connecting belt, and the guide rod is slidably connected with the protrusion in the inner ring of the belt pulley through the groove.

[0009] As a preferred technical scheme of the utility model, the top of the rotating disc is fixed with a plurality of driving columns, and the inner ring of the sliding plate is provided with a plurality of tooth grooves engaged with the driving columns.

[0010] As a preferred technical scheme of the utility model, the inner ring of the cleaning ring is fixed with bristles, and the sliding plate and the moving rod are fixedly connected.

[0011] As a preferred technical scheme of the utility model, the lubricating device comprises a liquid storage tank fixed at the top of the connecting rod and a connecting ring sleeved on the outer ring of the moving rod.

[0012] As a preferred technical scheme of the utility model, the connecting ring is connected with a piston rod penetrating the liquid storage tank, the piston rod is fixed with a push-pull piston arranged in the liquid storage tank, and the outer ring of the liquid storage tank is provided with a liquid inlet pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、The utility model discloses a guide rod can drive the rotating disc to rotate, and then through the sliding plate and the moving rod reciprocating movement, the moving rod can let the lubricating device set on the connecting rod spouts lubricating oil, lets the lubricating oil to coat the outer ring of the lead screw, reduces the friction generated by the lead screw drive, avoids the mechanical failure problem of appearing abnormal sound or because of the lack of lubrication.

[0015] 2、The utility model discloses a guide rod and a plurality of components, can let the moving rod drive the cleaning ring to move, utilize the cleaning ring to be able to clean the dust of the outer ring of the lead screw, also can more evenly coat lubricating oil in the outer ring of the lead screw, and the guide rod and the lead screw and the sliding block can be together as the guide component of the device, limit the moving track of the upper die holder. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the sectional view of the utility model;

[0018] Figure 3 It is the utility model Figure 2 The enlarged view of A place in the utility model;

[0019] Figure 4 It is the solid drawing of the reciprocating structure and the lubricating device of the utility model;

[0020] Figure 5 It is the solid drawing of the lubricating device of the utility model;

[0021] Figure 6 It is the solid drawing of the pulley and the guide rod of the utility model.

[0022] In the drawing:

[0023] 10. Base; 11. Lower mold base; 12. Support column; 13. Lead screw; 14. Slider; 141. Connecting rod; 15. Upper mold base; 16. Horizontal column; 17. Motor; 18. Pulley; 19. Guide rod;

[0024] 20. Reciprocating structure; 21. Rotary disk; 22. Slide plate; 221. Tooth groove; 23. Moving rod; 24. Drive column;

[0025] 30. Clean the ring; 31. Brush bristles;

[0026] 40. Lubrication device; 41. Liquid storage tank; 42. Connecting ring; 43. Piston rod; 44. Push-pull piston; 45. Liquid inlet pipe. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1 to 6 As shown, this utility model provides a precision guiding device for injection molds, including a base 10, a lower mold base 11 and a support column 12 fixed on the top of the base 10, a lead screw 13 rotatably connected to the inner cavity of the support column 12, a slider 14 sleeved on the outer ring of the lead screw 13 and connected to an upper mold base 15 through a connecting rod 141, and a motor 17 and a pulley 18 for driving the lead screw 13 to rotate synchronously are provided in the horizontal column 16 at the top of the support column 12.

[0029] The upper mold base 15 is provided with a reciprocating structure 20, which includes a rotating disk 21 that rotates on the top of the upper mold base 15. The rotating disk 21 drives the cleaning ring 30 sleeved on the lead screw 13 to move through the sliding plate 22 and the moving rod 23. The moving rod 23 allows the lubrication device 40 set on the connecting rod 141 to spray lubricating oil. The top of the rotating disk 21 is fixed with a guide rod 19 that passes through the cross column 16 and the pulley 18.

[0030] The guide rod 19 drives the rotating disk 21 to rotate, which in turn moves back and forth via the slide plate 22 and the moving rod 23. The moving rod 23 allows the lubrication device 40, which is mounted on the connecting rod 141, to spray lubricating oil, which coats the outer ring of the lead screw 13, reducing the friction generated by the lead screw 13 transmission and preventing abnormal noise or mechanical failures due to insufficient lubrication.

[0031] The support column 12 and the cross column 16 are fixedly connected, the pulley 18 is fixedly sleeved on the outer ring of the lead screw 13 and the guide rod 19, and the top of the lead screw 13 penetrates through the support column 12 and the cross column 16.

[0032] Through the pulley 18, the lead screw 13 and the guide rod 19 can rotate synchronously, the coordinated operation of each part of the device is ensured, transmission error is reduced, accuracy and stability are ensured, error caused by asymmetric motion is avoided, and the injection molding precision and production efficiency are improved.

[0033] The outer ring of the pulley 18 is sleeved with a connecting belt, and the guide rod 19 is slidably connected with the protrusion in the inner ring of the pulley 18 through the groove.

[0034] Through this design, the guide rod 19 can slide flexibly in the pulley 18, and the pulley 18 can drive the guide rod 19 to rotate, ensuring that the rotation of the guide rod 19 is synchronous with the lead screw 13.

[0035] The top of the rotating disc 21 is fixed with a plurality of driving columns 24, and the inner ring of the sliding plate 22 is provided with a plurality of tooth grooves 221 meshing with the driving columns 24.

[0036] Through the driving column 24, when the guide rod 19 drives the rotating disc 21 to rotate, the sliding plate 22 can be driven to reciprocate, and then the moving rod 23 is driven to move, and then the lubricating device 40 sprays lubricating oil, improving the practicability of the device.

[0037] The inner ring of the cleaning ring 30 is fixed with bristles 31, and the sliding plate 22 and the moving rod 23 are fixedly connected.

[0038] Through the bristles 31 in the inner ring of the cleaning ring 30, dust and impurities on the outer ring of the lead screw 13 can be effectively removed, preventing unnecessary wear of the lead screw 13 caused by impurities. In addition, the cleaning ring 30 can uniformly coat the lubricating oil on the outer ring of the lead screw 13, ensuring the smoothness and stability of the lead screw 13 in long-term operation, avoiding noise and failure caused by insufficient lubrication.

[0039] The lubricating device 40 includes a liquid storage tank 41 fixed on the top of the connecting rod 141 and a connecting ring 42 sleeved on the outer ring of the moving rod 23.

[0040] Through the liquid storage tank 41, stable lubricating oil storage can be provided, ensuring sufficient supply of lubricating oil in the whole working process.

[0041] The connecting ring 42 is connected with the piston rod 43 penetrating the liquid storage tank 41, the piston rod 43 is fixed with the push-pull piston 44 arranged in the liquid storage tank 41, and the outer ring of the liquid storage tank 41 is provided with the liquid inlet pipe 45.

[0042] The push-pull piston 44 can control the flow of lubricating oil, so that the lubricating oil can be sprayed in time and coated on the outer ring of the lead screw 13.

[0043] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Precision guiding device for injection moulds, comprising a base (10), characterised in that: The top of the base (10) is fixed with a lower die seat (11) and a support column (12), the inner cavity of the support column (12) is rotatably connected with a lead screw (13), a sliding block (14) sleeved on the outer circle of the lead screw (13) is connected with an upper die seat (15) through a connecting rod (141), a cross column (16) at the top of the support column (12) is internally provided with a motor (17) and a belt pulley (18) which rotate synchronously with the driving lead screw (13); The upper die seat (15) is provided with a reciprocating structure (20), the reciprocating structure (20) comprises a rotating disc (21) which rotates at the top of the upper die seat (15), the rotating disc (21) drives a cleaning ring (30) sleeved on the outer circle of the lead screw (13) to move through a sliding plate (22) and a moving rod (23), the moving rod (23) can make a lubricating device (40) arranged on the connecting rod (141) spray lubricating oil, the top of the rotating disc (21) is fixed with a guide rod (19) which penetrates the cross column (16) and the belt pulley (18).

2. The precision guide for injection molds of claim 1, wherein: The support column (12) and the cross column (16) are fixedly connected, the belt pulley (18) is fixedly sleeved on the outer circle of the lead screw (13) and the guide rod (19), and the top of the lead screw (13) penetrates the support column (12) and the cross column (16).

3. The precision guide for injection molds of claim 1, wherein: The outer circle of the belt pulley (18) is sleeved with a connecting belt, and the guide rod (19) is slidably connected with the protrusion in the inner circle of the belt pulley (18) through a groove.

4. The precision guide for injection molds of claim 1, wherein: The sliding plate (22) is slidably connected with the top of the upper die seat (15), the top of the rotating disc (21) is fixed with a plurality of driving columns (24), and the inner circle of the sliding plate (22) is provided with a plurality of tooth grooves (221) which are engaged with the driving columns (24).

5. The precision guide for injection molds of claim 1, wherein: The inner circle of the cleaning ring (30) is fixed with a brush (31), and the sliding plate (22) and the moving rod (23) are fixedly connected.

6. The precision guide for injection molds of claim 1, wherein: The lubricating device (40) comprises a liquid storage tank (41) fixed at the top of the connecting rod (141) and a connecting ring (42) sleeved on the outer circle of the moving rod (23).

7. Precision guiding device for injection molds according to claim 6, characterized in that: The connecting ring (42) is connected with a piston rod (43) penetrating the liquid storage tank (41), the piston rod (43) is fixed with a push-pull piston (44) arranged in the liquid storage tank (41), and the outer circle of the liquid storage tank (41) is provided with a liquid inlet pipe (45).

Images