Penetrating type groove grinding device

Abstract

The utility model discloses a penetrating type groove grinding device which comprises a main shaft and a groove grinding device arranged at the output end of the main shaft, and the groove grinding device comprises a grinding arm body and a groove grinding wheel arranged at one end of the grinding arm body. The transmission connecting assembly comprises a transmission rod connected with the output end of the main shaft, a driving gear piece arranged at the other end of the transmission rod and a driven gear piece connected with the driving gear piece in a meshed mode, a first bearing set is arranged in the driven gear piece, and a second bearing set is arranged in the driving gear piece. The main shaft and the groove grinding wheel are arranged in a staggered mode, the driving gear piece drives the driven gear piece to further drive the groove grinding wheel to rotate, the problems of slipping and abrasion caused by the fact that a belt is used for machining the grinding wheel in a linkage mode in the past can be avoided, interference with a gear transmission part is avoided, and meanwhile the turning radius of the groove grinding wheel is reduced. And the machining efficiency and the machining precision are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, more particularly relates to a kind of through type groove grinding device. BACKGROUND

[0002] With the rigid demand of compressor product environmental protection, energy saving and quality improvement, the machining precision of cylinder blade groove is required to be improved.Currently, for the grinding of cylinder blade groove, belt linkage processing grinding wheel is mostly used, which is a consumable part, not only easy to slip, wear and tear, high cost, but also the grinding wheel is easy to interfere due to small cylinder bore and large workpiece thickness, and the existing grinding device has the problems of insufficient rigidity, grinding wheel cannot grind through thick cylinder workpiece groove, etc., so a groove grinding device solving the above problems is urgently needed. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of through type groove grinding device, which can improve rigidity, reduce cost and solve the problem of interference in machining, grind through blade groove at one time, and further improve machining efficiency and machining precision.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A kind of through type groove grinding device, comprising a spindle and a groove grinding device provided at the output end of the spindle, the groove grinding device comprises a grinding arm body and a groove grinding wheel provided at one end of the grinding arm body, the groove grinding wheel is arranged in a staggered manner with the spindle, and a transmission connection assembly is further provided between the spindle and the groove grinding device, the transmission connection assembly comprises a transmission rod connected with the output end of the spindle, a driving gear member provided at the other end of the transmission rod and a driven gear member meshed with the driving gear member, a first bearing set is provided in the driven gear member, a second bearing set is provided in the driving gear member, and the groove grinding wheel is installed on the driven gear member.

[0006] According to the first aspect embodiment of the utility model, the external device can respectively lubricate and seal the first bearing set and the second bearing set.

[0007] According to the first aspect embodiment of the utility model, the external device comprises at least two inlet ports provided at one end of the grinding arm body away from the groove grinding wheel, and flow channels respectively communicating with the inlet ports are provided in the grinding arm body.

[0008] According to the first aspect embodiment of the utility model, a U-shaped groove capable of accommodating the groove grinding wheel and the transmission connection assembly is provided in the grinding arm body, and the two flow channels are respectively located on the inner walls of the two sides of the U-shaped groove.

[0009] According to the first aspect of the utility model, the transmission connection assembly further comprises a pressing plate and a connecting piece for fixing the driven gear and the grinding groove grinding wheel, and the driven gear and the grinding groove grinding wheel are concentrically arranged.

[0010] According to the first aspect of the utility model, an installation seat is arranged on the outer side of the main shaft output end.

[0011] According to the first aspect of the utility model, a safety gap is arranged between the grinding groove grinding wheel rotation axis and the transmission rod rotation axis.

[0012] The above technical solution of the utility model has at least one of the following advantages or beneficial effects:

[0013] The utility model discloses a first bearing set is arranged in the driven gear, and a second bearing set is arranged in the driving gear, thereby driving the grinding groove grinding wheel to rotate by the driving gear and the driven gear, avoiding the slipping and wear problem caused by the previous belt linkage processing grinding wheel, and effectively reducing the cost.

[0014] The main shaft and the grinding groove grinding wheel are arranged in a staggered manner, thereby avoiding the interference with the gear transmission part, effectively reducing the rotation radius of the grinding groove grinding wheel, and one-time grinding of the thick cylinder blade groove, further improving the processing efficiency and the processing precision. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and examples.

[0016] ATTACHMENT Figure 1 It is the overall structure diagram of an embodiment of the utility model.

[0017] ATTACHMENT Figure 2 It is the side view of an embodiment of the utility model.

[0018] ATTACHMENT Figure 3 It is the A-A direction sectional view of an embodiment of the utility model.

[0019] ATTACHMENT Figure 4 It is the top view of an embodiment of the utility model.

[0020] ATTACHMENT Figure 5 It is the front view of an embodiment of the utility model.

[0021] ATTACHMENT Figure 6 It is the B-B direction sectional view of an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar notations are used to represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as a limitation to the present application.

[0023] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation to the present application.

[0024] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0025] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features.

[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection or movable connection, or detachable connection or non-detachable connection, or integrally connected; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements, indirect communication or the interaction relationship between two elements.

[0027] The following disclosure provides many different embodiments or examples for implementing different aspects of the present application.

[0028] Referring to the drawings Figure 1 to the drawings Figure 6 As shown in the drawings, a through-type slot grinding device comprises a main shaft 1, a slot grinding device 2 arranged at the output end of the main shaft 1, a transmission connection assembly 3 arranged between the main shaft 1 and the slot grinding device 2, an external device 4 for lubricating and sealing the driving wheel bearing and the driven wheel bearing, and a mounting seat 5 arranged outside the output end of the main shaft 1.

[0029] In one embodiment of the utility model, the grinding groove device 2 includes grinding arm main body 21 and grinding groove grinding wheel 22 arranged at one end of grinding arm main body 21, grinding groove grinding wheel 22 is arranged in dislocation with main shaft 1, main shaft 1 can be BT30 electric spindle or mechanical spindle, main shaft 1 can drive grinding groove grinding wheel 22 to rotate through transmission connecting assembly 3.

[0030] In one embodiment of the utility model, transmission connecting assembly 3 includes transmission rod 31 connected with the output end of main shaft 1, driving gear part 32 arranged at the other end of transmission rod 31, driven gear part 33 engaged with driving gear part 32, pressing plate part 34 and connecting piece 35 for fixing driven gear part 33 and grinding groove grinding wheel 22, driven gear part 33 and grinding groove grinding wheel 22 are concentrically arranged, and connecting piece 35 passes through the rotation center of driven gear part 33 and grinding groove grinding wheel 22 to fix them in U-shaped groove.

[0031] In one embodiment of the utility model, the transmission ratio between driving gear part 32 and driven gear part 33 is changed according to the distance between driving gear part 32 and driven gear part 33 and the later production and processing. Driving gear part 32 drives driven gear part 33 and then drives grinding groove grinding wheel 22 to rotate, so that the rotation radius of grinding groove grinding wheel 22 is effectively reduced while avoiding interference with the gear transmission part, and the compressor blade groove can be ground through at one time, without the need for multiple subsequent processing and repair operations, thereby further improving the processing efficiency and processing precision.

[0032] In one embodiment of the utility model, first bearing set 6 is arranged in driven gear part 33, and second bearing set 7 is arranged in driving gear part 32, and first bearing set 6 and second bearing set 7 can be rolling bearing set or sliding bearing set, so that driving gear part 32 drives driven gear part 31 and then drives grinding groove grinding wheel 22 to rotate, avoiding the slipping and wear problems caused by the previous belt linkage processing of grinding wheel, and effectively reducing the cost.

[0033] In one embodiment of the utility model, the diameter of driving gear part 32 is greater than the diameter of driven gear part 33, that is, the number of teeth of driving gear part 32 is greater than the number of teeth of driven gear part 33, which can further increase the rotation speed of driven gear part 33 and then improve the rotation speed of grinding groove grinding wheel 22.

[0034] In one embodiment of the utility model, a safety gap that can make the workpiece groove completely ground through is arranged between the rotation axis of grinding groove grinding wheel 22 and the rotation axis of transmission rod 31, and the safety gap is greater than the radius of grinding groove grinding wheel 22 and the thickness of the air conditioner compressor blade groove, so that when the blade groove is completely ground through, the surface of the air conditioner compressor blade does not interfere with transmission rod 31.

[0035] In one embodiment of the utility model, the external device 4 includes two inlets 41 arranged at one end of the grinding arm body 21 away from the grinding groove grinding wheel 22 and flow channels 42 arranged in the grinding arm body 21 and respectively communicated with the corresponding inlets 41, the inlets 41 can be used as air inlets or oil inlets respectively when oil mist lubrication and air film sealing operations are performed.

[0036] In one embodiment of the utility model, the grinding groove grinding wheel 22 is installed on the driven gear member 33, the grinding arm body 21 is internally provided with a U-shaped groove capable of accommodating the grinding groove grinding wheel 22 and the transmission connection assembly 3, the two flow channels 42 are respectively located on the inner walls of the two sides of the U-shaped groove, and then the inlets 41 can be used to respectively perform oil mist lubrication and air film sealing operations on the first bearing set 6 and the second bearing set 7 respectively.

[0037] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A through-feed grinding device comprising a main shaft (1) and a grinding device (2) provided at the output end of the main shaft (1), characterized in that, The groove grinding device (2) comprises a grinding arm body (21) and a groove grinding wheel (22) arranged at one end of the grinding arm body (21), the groove grinding wheel (22) is arranged in a staggered manner with the main shaft (1), and a transmission connecting assembly (3) is further arranged between the main shaft (1) and the groove grinding device (2), the transmission connecting assembly (3) comprises a transmission rod (31) connected with the output end of the main shaft (1), a driving gear part (32) arranged at the other end of the transmission rod (31), and a driven gear part (33) engaged with the driving gear part (32), the driven gear part (33) is internally provided with a first bearing group (6), the driving gear part (32) is internally provided with a second bearing group (7), and the groove grinding wheel (22) is mounted on the driven gear part (33).

2. The through feed slotting device of claim 1, wherein: Further comprising an external device (4) capable of lubricating and sealing the first bearing group (6) and the second bearing group (7) respectively.

3. The through feed slotting device of claim 2, wherein: The external device (4) comprises at least two inlet ports (41) arranged at one end of the grinding arm body (21) away from the groove grinding wheel (22) and flow channels (42) arranged in the grinding arm body (21) and respectively communicated with the corresponding inlet ports (41).

4. The through feed slotting device of claim 3, wherein: The grinding arm body (21) is internally provided with a U-shaped groove capable of accommodating the groove grinding wheel (22) and the transmission connecting assembly (3), and the two flow channels (42) are respectively arranged on the inner walls of the two sides of the U-shaped groove.

5. The through feed slotting device of claim 1 wherein: The transmission connecting assembly (3) further comprises a pressing plate part (34) and a connecting part (35) for fixing the driven gear part (33) and the groove grinding wheel (22), and the driven gear part (33) and the groove grinding wheel (22) are arranged in a concentric manner.

6. The through feed slotting device of claim 1 wherein: The outer side of the output end of the main shaft (1) is provided with a mounting seat (5).

7. The through feed slotting device of claim 1 wherein: A safety gap is arranged between the rotary axis of the groove grinding wheel (22) and the rotary axis of the transmission rod (31).

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