Double-V-shaped guide rail balanced waterfall type lubricating device for thread grinder

Abstract

The utility model relates to the technical field of grinding machine lubrication, in particular to a double-V-shaped guide rail balanced waterfall type lubricating device for a thread grinding machine, which comprises a bearing mechanism, a rack, a V-shaped guide rail and a workbench, the lubricating mechanism comprises an oil nozzle and two oil collecting grooves, the two oil collecting grooves are attached to the inner wall of the V-shaped guide rail respectively, and the oil collecting grooves are lower than the V-shaped guide rail; the adjusting mechanism comprises an opening wheel arranged at one end of the oil collecting groove; the oil collecting grooves are formed in the two sides of the V-shaped guide rail, the oil outlet mode is changed into the mode that oil drops into the oil collecting grooves from the oil nozzles on the workbench, the oil evenly and slowly overflows to the contact position of the guide rail and the workbench after the oil collecting grooves are full, the overflowing efficiency of lubricating oil is consistent along all the positions of the oil collecting grooves, and even lubrication is achieved. Large-flow cooling lubrication is conducted when the working speed is high, the rotating shaft automatically drives the oil outlet barrel to rotate when the lubricating oil amount needs to be increased according to the working condition, and automatic lubricating oil adjustment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinder lubrication, in particular to a double V-guideway balanced waterfall lubrication device for a thread grinder. Background Art

[0002] An efficient CNC thread grinder is a high-precision machine tool specially used for thread processing. It is widely used in aviation, aerospace, automobile and precision machinery manufacturing. In recent years, high-precision thread grinders have been monopolized by Japan and the United States and their exports have been banned. Therefore, it is very important to develop high-precision thread grinders.

[0003] The existing Chinese patent application publication number CN211516322U discloses a lubricating device for a headstock spindle of a numerically controlled thread grinder, comprising a box body, a handle fixedly connected to the right side of the box body, a cylinder body connected to the top of the box body cover, a push rod fitted with a clearance on the inner wall of the cylinder body, an L-shaped tube connected to the right side of the cylinder body, an outer wall of the L-shaped tube connected to the top of the box body cover, an air intake mechanism provided on the inner wall of the L-shaped tube, a second tube body connected to the bottom of the cylinder body by thread, an air outlet mechanism provided on the inner wall of the second tube body, the lubricating device for the headstock spindle of a numerically controlled thread grinder can splash and diffuse the lubricating oil through the cooperation of the cylinder body, the push rod and the rubber plug, thereby avoiding the low internal pressure strength of the existing lubricating device, which causes the lubricating oil to contact with external dust and solidify on the equipment, which may cause the mechanical parts of the equipment to be affected by the solidification of the lubricating oil when the equipment is working, causing jamming, and further causing damage to the equipment.

[0004] However, the device still uses point lubrication, which has poor lubrication effect and cannot adjust the amount of lubricating oil according to the working speed of the workbench. In addition, the guide rails of some thread grinders are very long, and the workbench needs to be fully lubricated when moving on the guide rails. However, the lubrication between the workbench and the guide rails on the existing thread grinders usually uses point drip irrigation to fill the deep part of the guide rail with lubricating oil. However, since the oil outlet holes can only be laid at a certain distance, the lubricating oil is unevenly distributed. If the oil pressure is too small, the lubrication is incomplete. If the oil pressure is too large, it is easy to spray out. If the oil circuit is blocked and lacks oil, the contact surface of the guide rail will be damaged and the machine will be stuck. Therefore, a more efficient lubrication device method is needed. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Aiming at the problems that these lubricating oil point settings are prone to splashing or incomplete lubrication, and the amount of lubricating oil cannot be automatically matched according to the working speed of the workbench, the utility model is proposed.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a double V-guide balanced waterfall lubrication device for a thread grinder, which includes a bearing mechanism, including a frame, a V-guide symmetrically opened on the upper end surface of the frame and a workbench slidably arranged on the V-guide; a lubrication mechanism, including an oil nozzle arranged on the bottom surface of the workbench and an oil collecting tank arranged below the oil nozzle, the oil collecting tank is provided with two and respectively fitted on the inner wall of the V-guide, and the height of the oil collecting tank is lower than the height of the V-guide; an adjustment mechanism, including an opening wheel arranged at one end of the oil collecting tank.

[0008] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, a sliding block is provided on the lower end surface of the workbench, a clamping table is provided above the workbench, a feed table is also slidably provided on the frame, and a grinding wheel is provided on the feed table.

[0009] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, the oil collecting groove is an aluminum alloy groove arranged parallel to the V-guide, and the upper end of the oil collecting groove is open and arranged horizontally.

[0010] As a preferred solution of the double V-guide balanced waterfall lubrication device for thread grinders described in the utility model, a slide plate is slidably fitted between the V-guide and the slider, and a slide column is provided on the slide plate for lateral rotation.

[0011] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, a connecting groove is opened on the frame, a connecting rod is provided on the outer wall of the workbench, and rotating shafts are provided at both ends of the bottom surface of the V-guide for simultaneous rotation.

[0012] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, a belt is sleeved on the outer wall of the rotating shaft, and the connecting rod slides through the connecting groove and is connected to the belt.

[0013] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, oil outlet cylinders are provided on both sides of the V-guide, baffles are vertically provided on the inner wall of the oil outlet cylinder, and the opening wheel is rotatably arranged in the oil outlet cylinder.

[0014] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, wherein: a notch is penetrated through the outer wall of the opening wheel, and the opening wheel is slidably arranged on the inner wall of the baffle.

[0015] As a preferred solution of the double V-guide balanced waterfall lubrication device for a thread grinder described in the utility model, the rotating shaft rotates through the oil outlet cylinder and the opening wheel and is provided with a turntable, the turntable is provided with a pawl for circular rotation, and the inner wall of the oil outlet cylinder is provided with a ratchet.

[0016] The beneficial effects of the utility model are as follows: oil collecting grooves are arranged on both sides of the V-shaped guide rail, and the oil outlet mode is changed to dripping from the oil nozzle on the workbench into the oil collecting groove. When the oil collecting groove is full, the oil overflows evenly and slowly to the contact point between the guide rail and the workbench. The overflow efficiency of the lubricating oil is consistent along the oil collecting groove, so that uniform lubrication is achieved. The oil outlet speed is controlled by the moving speed of the workbench. When the working speed is faster, a large flow rate of cooling and lubrication is performed to match the working conditions. When the amount of lubricating oil needs to be increased, the rotating shaft automatically drives the oil outlet cylinder to rotate, so that automatic adjustment of the lubricating oil is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 The utility model is an overall schematic diagram of a double V-guide balanced waterfall lubrication device for a thread grinder.

[0019] Figure 2 It is a schematic diagram of the interior of the lubrication mechanism of the utility model.

[0020] Figure 3 The utility model is a structural schematic diagram of a control arm of a double V-guide balanced waterfall lubrication device for a thread grinder.

[0021] Figure 4 It is a schematic diagram of the back side of the frame of the utility model.

[0022] Figure 5 It is a schematic diagram of the adjustment mechanism of the utility model.

[0023] Reference numerals:

[0024] 100, bearing mechanism; 101, frame; 1011, feed table; 1012, grinding wheel; 1013, connecting groove; 102, V-shaped guide rail; 1021, rotating shaft; 1022, belt; 1023, oil outlet cylinder; 1024, baffle; 1025, turntable; 1026, ratchet; 1027, pawl; 103, workbench; 1031, slider; 1032, petal; 1033, slide column; 1034, connecting rod; 1037, clamping table;

[0025] 200, lubrication mechanism; 201, oil nozzle; 202, oil collecting tank;

[0026] 300. Adjusting mechanism; 301. Opening wheel; 3011. Notch. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0030] Example 1

[0031] Reference Figure 1-5 , which is the first embodiment of the utility model, includes a bearing mechanism 100, a lubricating mechanism 200 and an adjusting mechanism 300. Oil collecting grooves 202 are arranged on both sides of the V-shaped guide rail 102. The oil outlet method is changed to dripping from the oil nozzle 201 on the workbench 103 into the oil collecting groove 202. After the oil collecting groove 202 is full, it overflows evenly and slowly to the contact point between the guide rail and the workbench 103. The overflow efficiency of the lubricating oil is consistent along the oil collecting groove, so uniform lubrication is achieved.

[0032] Specifically, a double V-guide balanced waterfall lubrication device for a thread grinder comprises:

[0033] The carrying mechanism 100 comprises a frame 101, a V-shaped guide rail 102 symmetrically arranged on the upper end surface of the frame 101, and a workbench 103 slidably arranged on the V-shaped guide rail 102;

[0034] The lubrication mechanism 200 includes an oil nozzle 201 disposed on the bottom surface of the workbench 103 and an oil collecting groove 202 disposed below the oil nozzle 201. Two oil collecting grooves 202 are provided and are respectively attached to the inner wall of the V-shaped guide rail 102. The height of the oil collecting grooves 202 is lower than the height of the V-shaped guide rail 102.

[0035] The adjusting mechanism 300 includes an opening wheel 301 disposed at one end of the oil collecting tank 202 .

[0036] Among them, the V-shaped guide rail 102 is a slotted guide rail with a V-shaped cross-section. The two V-shaped guide rails are set in a direction parallel to the direction of the workbench. A female screw rod is rotatably arranged inside the V-shaped guide rail 102, and the workbench 103 is threadedly connected to the female screw rod. As the female screw rod rotates, the workbench 103 moves.

[0037] More preferably, a slider 1031 is provided on the lower end surface of the workbench 103 , a clamping table 1037 is provided above the workbench 103 , and a feed table 1011 is slidably provided on the frame 101 , and a grinding wheel 1012 is provided on the feed table 1011 .

[0038] The oil collecting groove 202 is an aluminum alloy groove arranged parallel to the V-shaped guide rail 102 , and the upper end of the oil collecting groove 202 is open and arranged horizontally.

[0039] Among them, the lubricating oil drips out from the oil nozzle 201 and falls into the oil collecting groove 202. The length of the oil collecting groove 202 is equal to that of the V-shaped guide rail 102 and is arranged in parallel. As the lubricating oil drips into the oil collecting groove 202, the oil collecting groove 202 is full and then slowly and evenly overflows to the contact point between the V-shaped guide rail 102 and the workbench 103. The overflow efficiency of the lubricating oil is consistent along the oil collecting groove, thereby achieving uniform lubrication of the V-shaped guide rail 102.

[0040] More preferably, a slide plate 1032 is slidably fitted between the V-shaped guide rail 102 and the slider 1031 , and a slide post 1033 is provided on the slide plate 1032 for transverse rotation.

[0041] Among them, the sliding column 1033 rolls along the direction of the V-shaped guide rail 102 under the limitation of the slide plate 1032, thereby reducing the friction between the workbench 103 and the V-shaped guide rail 102. The slide plate 1032 is also V-shaped and slides with the V-shaped guide rail 102. The slider 1031 is also V-shaped and slides in the V-shaped guide rail 102 by fitting with the slide plate 1032.

[0042] Furthermore, a vertical plate is provided under the workbench 103, and the vertical plate is slidably matched with the V-shaped guide rail 102. When the lubricating oil slides down along the V-shaped guide rail 102 from top to bottom, it can also drive the cutting residues to slide to the bottom surface of the V-shaped guide rail 102, and when the workbench 103 moves back and forth, the waste oil and polishing impurity particles are scraped to both sides of the V-shaped guide rail through the sliding scraping between the vertical plate and the inner wall of the V-shaped guide rail 102.

[0043] In this embodiment, oil leakage holes are provided on both sides of the V-shaped guide rail 102. Waste oil and polishing impurity particles pass through the oil leakage holes and enter the filtering device and the recycling device for recycling. They are then re-pressurized and injected into the oil nozzle 201 to achieve recycling.

[0044] Example 2

[0045] Reference Figure 1 to Figure 4 This is the second embodiment of the utility model. This embodiment is based on the previous embodiment, but the difference is that the oil output speed is controlled by the moving speed of the workbench 103, and a large flow rate of cooling and lubrication is performed when the working speed is faster to match the working conditions.

[0046] Specifically, a connecting groove 1013 is opened on the frame 101, a connecting rod 1034 is provided on the outer wall of the workbench 103, and rotating shafts 1021 are rotatably provided at both ends of the bottom surface of the V-shaped guide rail 102.

[0047] More preferably, a belt 1022 is sleeved on the outer wall of the rotating shaft 1021 , and the connecting rod 1034 slides through the connecting groove 1013 and is connected to the belt 1022 .

[0048] Among them, the connecting groove 1013 passes through the frame 101 without affecting lubrication, so that when the workbench 103 moves back and forth, the belt 1022 can be driven to move through the connecting rod 1034. The belt 1022 is sleeved on the outer walls of the two rotating shafts 1021. When the belt 1022 moves, it drives the rotating shaft 1021 to rotate.

[0049] Furthermore, an oil outlet cylinder 1023 is provided on both sides of the V-shaped guide rail 102 , a baffle 1024 is vertically provided on the inner wall of the oil outlet cylinder 1023 , and the opening wheel 301 is rotatably disposed in the oil outlet cylinder 1023 .

[0050] The rotating shaft 1021 rotates through the oil outlet cylinder 1023 through the bearing and is movably connected to the opening wheel 301, so that the opening wheel 301 is driven to rotate when the rotating shaft 1021 moves.

[0051] Preferably, a notch 3011 is formed through the outer wall of the opening wheel 301 , and the opening wheel 301 is slidably disposed on the inner wall of the baffle 1024 .

[0052] The inner wall of the baffle 1024 is in an arc shape, so that the opening wheel 301 can slide along the inner wall of the baffle 1024 , and there is a small gap between the opening wheel 301 and the baffle 1024 , which allows the lubricating oil to penetrate slowly.

[0053] Preferably, when the workbench 103 works quickly, an increased amount of lubricating oil is required to drive the belt 1022 to move quickly, and the rotation of the rotating shaft 1021 drives the opening wheel 301 to rotate quickly. The opening wheel 301 is a hollow cylinder, and three notches 3011 are provided. When the notches 3011 are separated from the baffle 1024, the lubricating oil can pass through quickly. As the rotation speed of the opening wheel 301 increases, the amount of lubricating oil output increases. After filtering, the amount of oil sprayed from the oil nozzle 201 increases, so that the lubrication effect is increased.

[0054] Example 3

[0055] Reference Figure 1 to Figure 5 , which is the third embodiment of the utility model. This embodiment is based on the previous embodiment, but the difference is that under normal circumstances, the lubricating oil slowly penetrates and filters. When the amount of lubricating oil needs to be increased, the rotating shaft 1021 automatically drives the oil outlet cylinder 1023 to rotate, thereby realizing automatic adjustment of the lubricating oil.

[0056] Specifically, the rotating shaft 1021 rotates and penetrates into the oil outlet cylinder 1023 and the opening wheel 301 and is provided with a rotating disk 1025 . The rotating disk 1025 rotates in a circle and is provided with a ratchet 1027 . The inner wall of the oil outlet cylinder 1023 is provided with a ratchet 1026 .

[0057] The pawl 1027 is connected to the inner wall of the rotating disk 1025 via a spring. Under the tension of the spring, the pawl 1027 in an initial state is close to the rotating disk 1025 and does not mesh with the ratchet 1026 .

[0058] More preferably, as the speed of the workbench 103 increases, the rotation speed of the rotating shaft 1021 increases, the rotation speed of the turntable 1025 increases, the centrifugal force of the pawl 1027 increases and overcomes the spring tension to rotate outward until it engages with the ratchet 1026. After the pawl 1027 engages with the ratchet 1026, the rotation of the rotating shaft 1021 will also drive the oil outlet cylinder 1023 to rotate, thereby automatically increasing the oil output of the oil outlet cylinder 1023.

[0059] There are two oil outlet modes for the oil nozzles 201 at both ends of the workbench 103. One is an open bottom plate, where the oil pipe is laid in the workbench 103 and the oil volume is adjustable; the other is a closed bottom plate, where holes are drilled to connect the oil passages.

[0060] Preferably, after the working speed of the workbench 103 is restored, the spring pulls the ratchet 1027 to reset, and the oil output of the oil outlet cylinder 1023 is automatically reduced, thereby reducing the energy consumption of waste oil recovery.

[0061] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A double V-guide balanced waterfall lubrication device for a thread grinder, characterized in that: include, The bearing mechanism (100) comprises a frame (101), a V-shaped guide rail (102) symmetrically arranged on the upper end surface of the frame (101), and a workbench (103) slidably arranged on the V-shaped guide rail (102); A lubrication mechanism (200) comprising an oil nozzle (201) disposed on the bottom surface of the workbench (103) and an oil collecting groove (202) disposed below the oil nozzle (201), wherein two oil collecting grooves (202) are provided and are respectively disposed in close contact with the inner wall of the V-shaped guide rail (102), and the height of the oil collecting grooves (202) is lower than the height of the V-shaped guide rail (102); The adjusting mechanism (300) comprises an opening wheel (301) arranged at one end of the oil collecting tank (202).

2. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 1, characterized in that: The lower end surface of the workbench (103) is provided with a sliding block (1031), the upper part of the workbench (103) is provided with a clamping table (1037), and the frame (101) is also slidably provided with a feed table (1011), and the feed table (1011) is provided with a grinding wheel (1012).

3. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 2, characterized in that: The oil collecting groove (202) is an aluminum alloy groove arranged parallel to the V-shaped guide rail (102); the upper end of the oil collecting groove (202) is open and arranged horizontally.

4. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 3, characterized in that: A slide plate (1032) is slidably fitted between the V-shaped guide rail (102) and the slider (1031), and a slide post (1033) is provided on the slide plate (1032) for transverse rotation.

5. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 4, characterized in that: The frame (101) is provided with a connecting groove (1013), the outer wall of the workbench (103) is provided with a connecting rod (1034), and rotating shafts (1021) are provided at both ends of the bottom surface of the V-shaped guide rail (102) for simultaneous rotation.

6. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 5, characterized in that: The outer wall of the rotating shaft (1021) is sleeved with a belt (1022), and the connecting rod (1034) slides through the connecting groove (1013) and is connected to the belt (1022).

7. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 6, characterized in that: Oil outlet cylinders (1023) are provided on both sides of the V-shaped guide rail (102), baffles (1024) are vertically provided on the inner wall of the oil outlet cylinder (1023), and the opening wheel (301) is rotatably disposed in the oil outlet cylinder (1023).

8. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 7, characterized in that: The outer wall of the opening wheel (301) is penetrated with a notch (3011), and the opening wheel (301) is slidably arranged on the inner wall of the baffle (1024).

9. The double V-guide balanced waterfall lubrication device for a thread grinder according to claim 8, characterized in that: The rotating shaft (1021) rotates and penetrates into the oil outlet cylinder (1023) and the opening wheel (301) and is provided with a rotating disk (1025). The rotating disk (1025) is provided with a ratchet (1027) for circular rotation, and the inner wall of the oil outlet cylinder (1023) is provided with a ratchet (1026).

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